Added NMC to README

GUI v3.2.0

.cirrus.yml

@@ -3,11 +3,10 @@ container:
 
 lint_task:
   setup_script:
-    - pip install flake8
-    - pip install codespell
+    - pip install flake8 codespell
   script:
     - flake8 --version
-    - PYTHONWARNINGS="ignore" flake8 --ignore=E501,F841,W503 --exclude=basicswap/contrib,basicswap/interface/contrib,messages_pb2.py,.eggs,.tox,bin/install_certifi.py
+    - flake8 --ignore=E203,E501,W503 --exclude=basicswap/contrib,basicswap/interface/contrib,.eggs,.tox,bin/install_certifi.py
     - codespell --check-filenames --disable-colors --quiet-level=7 --ignore-words=tests/lint/spelling.ignore-words.txt -S .git,.eggs,.tox,pgp,*.pyc,*basicswap/contrib,*basicswap/interface/contrib,*mnemonics.py,bin/install_certifi.py,*basicswap/static
 
 test_task:
@@ -17,25 +16,21 @@ test_task:
     - BIN_DIR: /tmp/cached_bin
     - PARTICL_BINDIR: ${BIN_DIR}/particl
     - BITCOIN_BINDIR: ${BIN_DIR}/bitcoin
+    - BITCOINCASH_BINDIR: ${BIN_DIR}/bitcoincash
     - LITECOIN_BINDIR: ${BIN_DIR}/litecoin
     - XMR_BINDIR: ${BIN_DIR}/monero
   setup_script:
     - apt-get update
-    - apt-get install -y wget python3-pip gnupg unzip automake libtool pkg-config
+    - apt-get install -y python3-pip pkg-config
     - pip install tox pytest
-    - python3 setup.py install
-    - wget -O coincurve-anonswap.zip https://github.com/tecnovert/coincurve/archive/refs/tags/anonswap_v0.2.zip
-    - unzip -d coincurve-anonswap coincurve-anonswap.zip
-    - mv ./coincurve-anonswap/*/{.,}* ./coincurve-anonswap || true
-    - cd coincurve-anonswap
-    - python3 setup.py install --force
+    - pip install .
   bins_cache:
     folder: /tmp/cached_bin
     reupload_on_changes: false
     fingerprint_script:
       - basicswap-prepare -v
     populate_script:
-      - basicswap-prepare --bindir=/tmp/cached_bin --preparebinonly --withcoins=particl,bitcoin,litecoin,monero
+      - basicswap-prepare --bindir=/tmp/cached_bin --preparebinonly --withcoins=particl,bitcoin,bitcoincash,litecoin,monero
   script:
     - cd "${CIRRUS_WORKING_DIR}"
     - export DATADIRS="${TEST_DIR}"

.github/dependabot.yml

@@ -0,0 +1,11 @@
+# Please see the documentation for all configuration options:
+# https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
+
+version: 2
+updates:
+  - package-ecosystem: "pip" # See documentation for possible values
+    directory: "/" # Location of package manifests
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 20
+    target-branch: "dev"

.github/workflows/ci.yml

@@ -0,0 +1,71 @@
+name: ci
+
+on: [push, pull_request]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+env:
+  BIN_DIR: /tmp/cached_bin
+  TEST_RELOAD_PATH: /tmp/test_basicswap
+
+jobs:
+  ci:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.12"]
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v3
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install flake8 codespell pytest
+        pip install -r requirements.txt --require-hashes
+    - name: Install
+      run: |
+        pip install .
+        # Print the core versions to a file for caching
+        basicswap-prepare --version --withcoins=bitcoin | tail -n +2 > core_versions.txt
+        cat core_versions.txt
+    - name: Running flake8
+      run: |
+        flake8 --ignore=E203,E501,W503 --exclude=basicswap/contrib,basicswap/interface/contrib,.eggs,.tox,bin/install_certifi.py
+    - name: Running codespell
+      run: |
+        codespell --check-filenames --disable-colors --quiet-level=7 --ignore-words=tests/lint/spelling.ignore-words.txt -S .git,.eggs,.tox,pgp,*.pyc,*basicswap/contrib,*basicswap/interface/contrib,*mnemonics.py,bin/install_certifi.py,*basicswap/static
+    - name: Running test_other
+      run: |
+        pytest tests/basicswap/test_other.py
+    - name: Cache coin cores
+      id: cache-cores
+      uses: actions/cache@v3
+      env:
+        cache-name: cache-cores
+      with:
+        path: /tmp/cached_bin
+        key: cores-${{ runner.os }}-${{ hashFiles('**/core_versions.txt') }}
+
+    - if: ${{ steps.cache-cores.outputs.cache-hit != 'true' }}
+      name: Running basicswap-prepare
+      run: |
+        basicswap-prepare --bindir="$BIN_DIR" --preparebinonly --withcoins=particl,bitcoin,monero
+    - name: Running test_xmr
+      run: |
+        export PYTHONPATH=$(pwd)
+        export PARTICL_BINDIR="$BIN_DIR/particl"
+        export BITCOIN_BINDIR="$BIN_DIR/bitcoin"
+        export XMR_BINDIR="$BIN_DIR/monero"
+        pytest tests/basicswap/test_btc_xmr.py::TestBTC -k "test_003_api or test_02_a_leader_recover_a_lock_tx"
+    - name: Running test_encrypted_xmr_reload
+      run: |
+        export PYTHONPATH=$(pwd)
+        export TEST_PATH=${TEST_RELOAD_PATH}
+        mkdir -p ${TEST_PATH}/bin
+        cp -r $BIN_DIR/* ${TEST_PATH}/bin/
+        pytest tests/basicswap/extended/test_encrypted_xmr_reload.py

.gitignore

@@ -13,3 +13,6 @@ __pycache__
 # geckodriver.log
 *.log
 docker/.env
+
+# vscode dev container settings
+compose-dev.yaml

.travis.yml

@@ -1,60 +0,0 @@
-dist: bionic
-os: linux
-language: python
-python: '3.7'
-stages:
-  - lint
-  - test
-env:
-  global:
-    - TEST_DIR=${HOME}/test_basicswap2
-    - TEST_RELOAD_PATH=~/test_basicswap1
-    - BIN_DIR=~/cached_bin
-    - PARTICL_BINDIR=${BIN_DIR}/particl
-    - BITCOIN_BINDIR=${BIN_DIR}/bitcoin
-    - LITECOIN_BINDIR=${BIN_DIR}/litecoin
-    - XMR_BINDIR=${BIN_DIR}/monero
-cache:
-  directories:
-    - "$BIN_DIR"
-before_install:
-  - sudo apt-get install -y wget python3-pip gnupg unzip automake libtool pkg-config
-install:
-  - travis_retry pip install tox pytest
-before_script:
-  - wget -O coincurve-anonswap.zip https://github.com/tecnovert/coincurve/archive/refs/tags/anonswap_v0.2.zip
-  - unzip -d coincurve-anonswap coincurve-anonswap.zip
-  - mv ./coincurve-anonswap/*/{.,}* ./coincurve-anonswap || true
-  - cd coincurve-anonswap
-  - python3 setup.py install --force
-script:
-  - cd $TRAVIS_BUILD_DIR
-  - python3 setup.py install
-  - basicswap-prepare --bindir=${BIN_DIR} --preparebinonly --withcoins=particl,bitcoin,litecoin,monero
-  - export DATADIRS="${TEST_DIR}"
-  - mkdir -p "${DATADIRS}/bin"
-  - cp -r ${BIN_DIR} "${DATADIRS}/bin"
-  - mkdir -p "${TEST_RELOAD_PATH}/bin"
-  - cp -r ${BIN_DIR} "${TEST_RELOAD_PATH}/bin"
-  - # tox
-  - pytest tests/basicswap/test_xmr.py
-  - pytest tests/basicswap/test_xmr_reload.py
-  - pytest tests/basicswap/test_xmr_bids_offline.py
-after_success:
-  - echo "End test"
-jobs:
-  include:
-    - stage: lint
-      env:
-      cache: false
-      install:
-        - travis_retry pip install flake8==3.7.0
-        - travis_retry pip install codespell==1.15.0
-      before_script:
-      script:
-        - PYTHONWARNINGS="ignore" flake8 --ignore=E501,F841,W503 --exclude=basicswap/contrib,basicswap/interface/contrib,messages_pb2.py,.eggs,.tox,bin/install_certifi.py
-        - codespell --check-filenames --disable-colors --quiet-level=7 --ignore-words=tests/lint/spelling.ignore-words.txt -S .git,.eggs,.tox,pgp,*.pyc,*basicswap/contrib,*basicswap/interface/contrib,*mnemonics.py,bin/install_certifi.py,*basicswap/static
-      after_success:
-        - echo "End lint"
-    - stage: test
-      env:

Dockerfile

@@ -5,18 +5,12 @@ ENV LANG=C.UTF-8 \
     DATADIRS="/coindata"
 
 RUN apt-get update; \
-    apt-get install -y wget python3-pip gnupg unzip make g++ autoconf automake libtool pkg-config gosu tzdata;
-
-ARG COINCURVE_VERSION=v0.2
-RUN wget -O coincurve-anonswap.zip https://github.com/tecnovert/coincurve/archive/refs/tags/anonswap_$COINCURVE_VERSION.zip && \
-    unzip coincurve-anonswap.zip && \
-    mv ./coincurve-anonswap_$COINCURVE_VERSION ./coincurve-anonswap && \
-    cd coincurve-anonswap && \
-    python3 setup.py install --force
+    apt-get install -y --no-install-recommends \
+        python3-pip libpython3-dev gnupg pkg-config gcc libc-dev gosu tzdata cmake ninja-build;
 
 # Install requirements first so as to skip in subsequent rebuilds
 COPY ./requirements.txt requirements.txt
-RUN pip3 install -r requirements.txt
+RUN pip3 install -r requirements.txt --require-hashes
 
 COPY . basicswap-master
 RUN cd basicswap-master; \

MANIFEST.in

@@ -1,5 +0,0 @@
-include *.md LICENSE
-
-recursive-include doc *
-recursive-include basicswap/templates *
-recursive-include basicswap/static *

README.md

@@ -35,9 +35,9 @@ Built as a low-friction, highly secure solution to the frequent losses of funds
 
 ## Under the Hood
 
-**BasicSwap** can be best understood as the decentralized version of the SWIFT messaging network; providing a decentralized messaging protocol that allows for peers to connect directly with each other with the purpose of executing atomic swaps without central points of failure and using official core wallets (Bitcoin Core, Litecoin Core, etc). 
+**BasicSwap** can be best understood as the decentralized version of the SWIFT messaging network; providing a decentralized messaging protocol that allows for peers to connect directly with each other with the purpose of executing atomic swaps without central points of failure and using official core wallets (Bitcoin Core, Litecoin Core, etc).
 
-**BasicSwap** does not process, initiate, or execute swaps; it merely enables peers to communicate with each other and exchange the required information to simplify the process of using atomic swaps on the respective blockchains of the coins being swapped. 
+**BasicSwap** does not process, initiate, or execute swaps; it merely enables peers to communicate with each other and exchange the required information to simplify the process of using atomic swaps on the respective blockchains of the coins being swapped.
 
 In essence, **BasicSwap** operates merely as a decentralized messaging protocol supplemented by a user-friendly interface.
 
@@ -64,6 +64,12 @@ BasicSwap is compatible with the following digital assets.
    <td>XMR
    </td>
   </tr>
+  <tr>
+   <td>Bitcoin Cash
+   </td>
+   <td>BCH
+   </td>
+  </tr>
   <tr>
    <td>Dash
    </td>
@@ -106,6 +112,18 @@ BasicSwap is compatible with the following digital assets.
    <td>PART
    </td>
   </tr>
+  <tr>
+   <td>Dogecoin
+   </td>
+   <td>DOGE
+   </td>
+  </tr>
+  <tr>
+   <td>Namecoin
+   </td>
+   <td>NMC
+   </td>
+  </tr>
 </table>
 
 If you’d like to add a cryptocurrency to BasicSwap, refer to how other cryptocurrencies have been integrated to the DEX by following [this link](https://academy.particl.io/en/latest/basicswap-guides/basicswapguides_apply.html).
@@ -122,7 +140,7 @@ If you’d like to add a cryptocurrency to BasicSwap, refer to how other cryptoc
 
 Follow the guides on [Particl Academy](https://academy.particl.io) for tutorials and guides on how BasicSwap works.
 
-* [Download BasicSwapDEX](https://github.com/tecnovert/basicswap/tree/master/doc)
+* [Download BasicSwapDEX](https://github.com/basicswap/basicswap/tree/master/doc)
 
 #### Community chat support
 

basicswap/__init__.py

@@ -1,3 +1,3 @@
 name = "basicswap"
 
-__version__ = "0.13.2"
+__version__ = "0.14.3"

basicswap/base.py

@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 
 # Copyright (c) 2019-2024 tecnovert
+# Copyright (c) 2024-2025 The Basicswap developers
 # Distributed under the MIT software license, see the accompanying
 # file LICENSE or http://www.opensource.org/licenses/mit-license.php.
 
@@ -18,12 +19,18 @@ import subprocess
 
 from sockshandler import SocksiPyHandler
 
+from .db import (
+    DBMethods,
+)
 from .rpc import (
     callrpc,
 )
 from .util import (
     TemporaryError,
 )
+from .util.logging import (
+    BSXLogger,
+)
 from .chainparams import (
     Coins,
     chainparams,
@@ -34,8 +41,8 @@ def getaddrinfo_tor(*args):
     return [(socket.AF_INET, socket.SOCK_STREAM, 6, "", (args[0], args[1]))]
 
 
-class BaseApp:
-    def __init__(self, fp, data_dir, settings, chain, log_name='BasicSwap'):
+class BaseApp(DBMethods):
+    def __init__(self, fp, data_dir, settings, chain, log_name="BasicSwap"):
         self.log_name = log_name
         self.fp = fp
         self.fail_code = 0
@@ -47,19 +54,19 @@ class BaseApp:
         self.coin_clients = {}
         self.coin_interfaces = {}
         self.mxDB = threading.Lock()
-        self.debug = self.settings.get('debug', False)
+        self.debug = self.settings.get("debug", False)
         self.delay_event = threading.Event()
         self.chainstate_delay_event = threading.Event()
 
         self._network = None
         self.prepareLogging()
-        self.log.info('Network: {}'.format(self.chain))
+        self.log.info("Network: {}".format(self.chain))
 
-        self.use_tor_proxy = self.settings.get('use_tor', False)
-        self.tor_proxy_host = self.settings.get('tor_proxy_host', '127.0.0.1')
-        self.tor_proxy_port = self.settings.get('tor_proxy_port', 9050)
-        self.tor_control_password = self.settings.get('tor_control_password', None)
-        self.tor_control_port = self.settings.get('tor_control_port', 9051)
+        self.use_tor_proxy = self.settings.get("use_tor", False)
+        self.tor_proxy_host = self.settings.get("tor_proxy_host", "127.0.0.1")
+        self.tor_proxy_port = self.settings.get("tor_proxy_port", 9050)
+        self.tor_control_password = self.settings.get("tor_control_password", None)
+        self.tor_control_port = self.settings.get("tor_control_port", 9051)
         self.default_socket = socket.socket
         self.default_socket_timeout = socket.getdefaulttimeout()
         self.default_socket_getaddrinfo = socket.getaddrinfo
@@ -71,16 +78,24 @@ class BaseApp:
             self.delay_event.set()
 
     def prepareLogging(self):
+        logging.setLoggerClass(BSXLogger)
         self.log = logging.getLogger(self.log_name)
         self.log.propagate = False
 
         # Remove any existing handlers
         self.log.handlers = []
 
-        formatter = logging.Formatter('%(asctime)s %(levelname)s : %(message)s', '%Y-%m-%d %H:%M:%S')
+        formatter = logging.Formatter(
+            "%(asctime)s %(levelname)s : %(message)s", "%Y-%m-%d %H:%M:%S"
+        )
         stream_stdout = logging.StreamHandler()
-        if self.log_name != 'BasicSwap':
-            stream_stdout.setFormatter(logging.Formatter('%(asctime)s %(name)s %(levelname)s : %(message)s', '%Y-%m-%d %H:%M:%S'))
+        if self.log_name != "BasicSwap":
+            stream_stdout.setFormatter(
+                logging.Formatter(
+                    "%(asctime)s %(name)s %(levelname)s : %(message)s",
+                    "%Y-%m-%d %H:%M:%S",
+                )
+            )
         else:
             stream_stdout.setFormatter(formatter)
         stream_fp = logging.StreamHandler(self.fp)
@@ -92,67 +107,91 @@ class BaseApp:
 
     def getChainClientSettings(self, coin):
         try:
-            return self.settings['chainclients'][chainparams[coin]['name']]
+            return self.settings["chainclients"][chainparams[coin]["name"]]
         except Exception:
             return {}
 
     def setDaemonPID(self, name, pid) -> None:
         if isinstance(name, Coins):
-            self.coin_clients[name]['pid'] = pid
+            self.coin_clients[name]["pid"] = pid
             return
         for c, v in self.coin_clients.items():
-            if v['name'] == name:
-                v['pid'] = pid
+            if v["name"] == name:
+                v["pid"] = pid
 
     def getChainDatadirPath(self, coin) -> str:
-        datadir = self.coin_clients[coin]['datadir']
-        testnet_name = '' if self.chain == 'mainnet' else chainparams[coin][self.chain].get('name', self.chain)
+        datadir = self.coin_clients[coin]["datadir"]
+        testnet_name = (
+            ""
+            if self.chain == "mainnet"
+            else chainparams[coin][self.chain].get("name", self.chain)
+        )
         return os.path.join(datadir, testnet_name)
 
     def getCoinIdFromName(self, coin_name: str):
         for c, params in chainparams.items():
-            if coin_name.lower() == params['name'].lower():
+            if coin_name.lower() == params["name"].lower():
                 return c
-        raise ValueError('Unknown coin: {}'.format(coin_name))
+        raise ValueError("Unknown coin: {}".format(coin_name))
 
     def callrpc(self, method, params=[], wallet=None):
         cc = self.coin_clients[Coins.PART]
-        return callrpc(cc['rpcport'], cc['rpcauth'], method, params, wallet, cc['rpchost'])
+        return callrpc(
+            cc["rpcport"], cc["rpcauth"], method, params, wallet, cc["rpchost"]
+        )
 
     def callcoinrpc(self, coin, method, params=[], wallet=None):
         cc = self.coin_clients[coin]
-        return callrpc(cc['rpcport'], cc['rpcauth'], method, params, wallet, cc['rpchost'])
+        return callrpc(
+            cc["rpcport"], cc["rpcauth"], method, params, wallet, cc["rpchost"]
+        )
 
     def callcoincli(self, coin_type, params, wallet=None, timeout=None):
-        bindir = self.coin_clients[coin_type]['bindir']
-        datadir = self.coin_clients[coin_type]['datadir']
-        command_cli = os.path.join(bindir, chainparams[coin_type]['name'] + '-cli' + ('.exe' if os.name == 'nt' else ''))
-        args = [command_cli, ]
-        if self.chain != 'mainnet':
-            args.append('-' + self.chain)
-        args.append('-datadir=' + datadir)
+        bindir = self.coin_clients[coin_type]["bindir"]
+        datadir = self.coin_clients[coin_type]["datadir"]
+        cli_bin: str = chainparams[coin_type].get(
+            "cli_binname", chainparams[coin_type]["name"] + "-cli"
+        )
+        command_cli = os.path.join(
+            bindir, cli_bin + (".exe" if os.name == "nt" else "")
+        )
+        args = [
+            command_cli,
+        ]
+        if self.chain != "mainnet":
+            args.append("-" + self.chain)
+        args.append("-datadir=" + datadir)
         args += shlex.split(params)
-        p = subprocess.Popen(args, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+        p = subprocess.Popen(
+            args, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE
+        )
         out = p.communicate(timeout=timeout)
         if len(out[1]) > 0:
-            raise ValueError('CLI error ' + str(out[1]))
-        return out[0].decode('utf-8').strip()
+            raise ValueError("CLI error " + str(out[1]))
+        return out[0].decode("utf-8").strip()
 
     def is_transient_error(self, ex) -> bool:
         if isinstance(ex, TemporaryError):
             return True
         str_error = str(ex).lower()
-        return 'read timed out' in str_error or 'no connection to daemon' in str_error
+        return "read timed out" in str_error or "no connection to daemon" in str_error
 
     def setConnectionParameters(self, timeout=120):
         opener = urllib.request.build_opener()
-        opener.addheaders = [('User-agent', 'Mozilla/5.0')]
+        opener.addheaders = [("User-agent", "Mozilla/5.0")]
         urllib.request.install_opener(opener)
 
         if self.use_tor_proxy:
-            socks.setdefaultproxy(socks.PROXY_TYPE_SOCKS5, self.tor_proxy_host, self.tor_proxy_port, rdns=True)
+            socks.setdefaultproxy(
+                socks.PROXY_TYPE_SOCKS5,
+                self.tor_proxy_host,
+                self.tor_proxy_port,
+                rdns=True,
+            )
             socket.socket = socks.socksocket
-            socket.getaddrinfo = getaddrinfo_tor  # Without this accessing .onion links would fail
+            socket.getaddrinfo = (
+                getaddrinfo_tor  # Without this accessing .onion links would fail
+            )
 
         socket.setdefaulttimeout(timeout)
 
@@ -162,12 +201,19 @@ class BaseApp:
             socket.getaddrinfo = self.default_socket_getaddrinfo
         socket.setdefaulttimeout(self.default_socket_timeout)
 
-    def readURL(self, url: str, timeout: int = 120, headers=None) -> bytes:
+    def readURL(self, url: str, timeout: int = 120, headers={}) -> bytes:
         open_handler = None
         if self.use_tor_proxy:
-            open_handler = SocksiPyHandler(socks.PROXY_TYPE_SOCKS5, self.tor_proxy_host, self.tor_proxy_port)
-        opener = urllib.request.build_opener(open_handler) if self.use_tor_proxy else urllib.request.build_opener()
-        opener.addheaders = [('User-agent', 'Mozilla/5.0')]
+            open_handler = SocksiPyHandler(
+                socks.PROXY_TYPE_SOCKS5, self.tor_proxy_host, self.tor_proxy_port
+            )
+        opener = (
+            urllib.request.build_opener(open_handler)
+            if self.use_tor_proxy
+            else urllib.request.build_opener()
+        )
+        if headers is None:
+            opener.addheaders = [("User-agent", "Mozilla/5.0")]
         request = urllib.request.Request(url, headers=headers)
         return opener.open(request, timeout=timeout).read()
 
@@ -178,7 +224,9 @@ class BaseApp:
 
     def torControl(self, query):
         try:
-            command = 'AUTHENTICATE "{}"\r\n{}\r\nQUIT\r\n'.format(self.tor_control_password, query).encode('utf-8')
+            command = 'AUTHENTICATE "{}"\r\n{}\r\nQUIT\r\n'.format(
+                self.tor_control_password, query
+            ).encode("utf-8")
             c = socket.create_connection((self.tor_proxy_host, self.tor_control_port))
             c.send(command)
             response = bytearray()
@@ -190,23 +238,23 @@ class BaseApp:
             c.close()
             return response
         except Exception as e:
-            self.log.error(f'torControl {e}')
+            self.log.error(f"torControl {e}")
             return
 
     def getTime(self) -> int:
         return int(time.time()) + self.mock_time_offset
 
     def setMockTimeOffset(self, new_offset: int) -> None:
-        self.log.warning(f'Setting mocktime to {new_offset}')
+        self.log.warning(f"Setting mocktime to {new_offset}")
         self.mock_time_offset = new_offset
 
     def get_int_setting(self, name: str, default_v: int, min_v: int, max_v) -> int:
         value: int = self.settings.get(name, default_v)
         if value < min_v:
-            self.log.warning(f'Setting {name} to {min_v}')
+            self.log.warning(f"Setting {name} to {min_v}")
             value = min_v
         if value > max_v:
-            self.log.warning(f'Setting {name} to {max_v}')
+            self.log.warning(f"Setting {name} to {max_v}")
             value = max_v
         return value
 

basicswap/basicswap_util.py

@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 
 # Copyright (c) 2021-2024 tecnovert
+# Copyright (c) 2024 The Basicswap developers
 # Distributed under the MIT software license, see the accompanying
 # file LICENSE or http://www.opensource.org/licenses/mit-license.php.
 
@@ -64,6 +65,7 @@ class SwapTypes(IntEnum):
     SELLER_FIRST_2MSG = auto()
     BUYER_FIRST_2MSG = auto()
     XMR_SWAP = auto()
+    XMR_BCH_SWAP = auto()
 
 
 class OfferStates(IntEnum):
@@ -75,13 +77,13 @@ class OfferStates(IntEnum):
 
 class BidStates(IntEnum):
     BID_SENT = 1
-    BID_RECEIVING = 2               # Partially received
+    BID_RECEIVING = 2  # Partially received
     BID_RECEIVED = 3
-    BID_RECEIVING_ACC = 4           # Partially received accept message
-    BID_ACCEPTED = 5                # BidAcceptMessage received/sent
-    SWAP_INITIATED = 6              # Initiate txn validated
-    SWAP_PARTICIPATING = 7          # Participate txn validated
-    SWAP_COMPLETED = 8              # All swap txns spent
+    BID_RECEIVING_ACC = 4  # Partially received accept message
+    BID_ACCEPTED = 5  # BidAcceptMessage received/sent
+    SWAP_INITIATED = 6  # Initiate txn validated
+    SWAP_PARTICIPATING = 7  # Participate txn validated
+    SWAP_COMPLETED = 8  # All swap txns spent
     XMR_SWAP_SCRIPT_COIN_LOCKED = 9
     XMR_SWAP_HAVE_SCRIPT_COIN_SPEND_TX = 10
     XMR_SWAP_NOSCRIPT_COIN_LOCKED = 11
@@ -95,16 +97,18 @@ class BidStates(IntEnum):
     XMR_SWAP_FAILED = 19
     SWAP_DELAYING = 20
     SWAP_TIMEDOUT = 21
-    BID_ABANDONED = 22          # Bid will no longer be processed
-    BID_ERROR = 23              # An error occurred
+    BID_ABANDONED = 22  # Bid will no longer be processed
+    BID_ERROR = 23  # An error occurred
     BID_STALLED_FOR_TEST = 24
     BID_REJECTED = 25
     BID_STATE_UNKNOWN = 26
-    XMR_SWAP_MSG_SCRIPT_LOCK_TX_SIGS = 27      # XmrBidLockTxSigsMessage
-    XMR_SWAP_MSG_SCRIPT_LOCK_SPEND_TX = 28     # XmrBidLockSpendTxMessage
+    XMR_SWAP_MSG_SCRIPT_LOCK_TX_SIGS = 27  # XmrBidLockTxSigsMessage
+    XMR_SWAP_MSG_SCRIPT_LOCK_SPEND_TX = 28  # XmrBidLockSpendTxMessage
     BID_REQUEST_SENT = 29
     BID_REQUEST_ACCEPTED = 30
     BID_EXPIRED = 31
+    BID_AACCEPT_DELAY = 32
+    BID_AACCEPT_FAIL = 33
 
 
 class TxStates(IntEnum):
@@ -136,6 +140,8 @@ class TxTypes(IntEnum):
 
     ITX_PRE_FUNDED = auto()
 
+    BCH_MERCY = auto()
+
 
 class ActionTypes(IntEnum):
     ACCEPT_BID = auto()
@@ -183,6 +189,8 @@ class EventLogTypes(IntEnum):
     PTX_REDEEM_PUBLISHED = auto()
     PTX_REFUND_PUBLISHED = auto()
     LOCK_TX_B_IN_MEMPOOL = auto()
+    BCH_MERCY_TX_PUBLISHED = auto()
+    BCH_MERCY_TX_FOUND = auto()
 
 
 class XmrSplitMsgTypes(IntEnum):
@@ -194,6 +202,7 @@ class DebugTypes(IntEnum):
     NONE = 0
     BID_STOP_AFTER_COIN_A_LOCK = auto()
     BID_DONT_SPEND_COIN_A_LOCK_REFUND = auto()
+    BID_DONT_SPEND_COIN_A_LOCK_REFUND2 = auto()  # continues
     CREATE_INVALID_COIN_B_LOCK = auto()
     BUYER_STOP_AFTER_ITX = auto()
     MAKE_INVALID_PTX = auto()
@@ -204,6 +213,10 @@ class DebugTypes(IntEnum):
     DUPLICATE_ACTIONS = auto()
     DONT_CONFIRM_PTX = auto()
     OFFER_LOCK_2_VALUE_INC = auto()
+    BID_STOP_AFTER_COIN_B_LOCK = auto()
+    BID_DONT_SPEND_COIN_B_LOCK = auto()
+    WAIT_FOR_COIN_B_LOCK_BEFORE_REFUND = auto()
+    BID_DONT_SPEND_COIN_A_LOCK = auto()
 
 
 class NotificationTypes(IntEnum):
@@ -221,12 +234,12 @@ class AutomationOverrideOptions(IntEnum):
 
 def strAutomationOverrideOption(option):
     if option == AutomationOverrideOptions.DEFAULT:
-        return 'Default'
+        return "Default"
     if option == AutomationOverrideOptions.ALWAYS_ACCEPT:
-        return 'Always Accept'
+        return "Always Accept"
     if option == AutomationOverrideOptions.NEVER_ACCEPT:
-        return 'Never Accept'
-    return 'Unknown'
+        return "Never Accept"
+    return "Unknown"
 
 
 class VisibilityOverrideOptions(IntEnum):
@@ -237,244 +250,257 @@ class VisibilityOverrideOptions(IntEnum):
 
 def strVisibilityOverrideOption(option):
     if option == VisibilityOverrideOptions.DEFAULT:
-        return 'Default'
+        return "Default"
     if option == VisibilityOverrideOptions.HIDE:
-        return 'Hide'
+        return "Hide"
     if option == VisibilityOverrideOptions.BLOCK:
-        return 'Block'
-    return 'Unknown'
+        return "Block"
+    return "Unknown"
 
 
 def strOfferState(state):
     if state == OfferStates.OFFER_SENT:
-        return 'Sent'
+        return "Sent"
     if state == OfferStates.OFFER_RECEIVED:
-        return 'Received'
+        return "Received"
     if state == OfferStates.OFFER_ABANDONED:
-        return 'Abandoned'
+        return "Abandoned"
     if state == OfferStates.OFFER_EXPIRED:
-        return 'Expired'
-    return 'Unknown'
+        return "Expired"
+    return "Unknown"
 
 
 def strBidState(state):
     if state == BidStates.BID_SENT:
-        return 'Sent'
+        return "Sent"
     if state == BidStates.BID_RECEIVING:
-        return 'Receiving'
+        return "Receiving"
     if state == BidStates.BID_RECEIVING_ACC:
-        return 'Receiving accept'
+        return "Receiving accept"
     if state == BidStates.BID_RECEIVED:
-        return 'Received'
+        return "Received"
     if state == BidStates.BID_ACCEPTED:
-        return 'Accepted'
+        return "Accepted"
     if state == BidStates.SWAP_INITIATED:
-        return 'Initiated'
+        return "Initiated"
     if state == BidStates.SWAP_PARTICIPATING:
-        return 'Participating'
+        return "Participating"
     if state == BidStates.SWAP_COMPLETED:
-        return 'Completed'
+        return "Completed"
     if state == BidStates.SWAP_TIMEDOUT:
-        return 'Timed-out'
+        return "Timed-out"
     if state == BidStates.BID_ABANDONED:
-        return 'Abandoned'
+        return "Abandoned"
     if state == BidStates.BID_STALLED_FOR_TEST:
-        return 'Stalled (debug)'
+        return "Stalled (debug)"
     if state == BidStates.BID_ERROR:
-        return 'Error'
+        return "Error"
     if state == BidStates.BID_REJECTED:
-        return 'Rejected'
+        return "Rejected"
     if state == BidStates.XMR_SWAP_SCRIPT_COIN_LOCKED:
-        return 'Script coin locked'
+        return "Script coin locked"
     if state == BidStates.XMR_SWAP_HAVE_SCRIPT_COIN_SPEND_TX:
-        return 'Script coin spend tx valid'
+        return "Script coin spend tx valid"
     if state == BidStates.XMR_SWAP_NOSCRIPT_COIN_LOCKED:
-        return 'Scriptless coin locked'
+        return "Scriptless coin locked"
     if state == BidStates.XMR_SWAP_LOCK_RELEASED:
-        return 'Script coin lock released'
+        return "Script coin lock released"
     if state == BidStates.XMR_SWAP_SCRIPT_TX_REDEEMED:
-        return 'Script tx redeemed'
+        return "Script tx redeemed"
     if state == BidStates.XMR_SWAP_SCRIPT_TX_PREREFUND:
-        return 'Script pre-refund tx in chain'
+        return "Script pre-refund tx in chain"
     if state == BidStates.XMR_SWAP_NOSCRIPT_TX_REDEEMED:
-        return 'Scriptless tx redeemed'
+        return "Scriptless tx redeemed"
     if state == BidStates.XMR_SWAP_NOSCRIPT_TX_RECOVERED:
-        return 'Scriptless tx recovered'
+        return "Scriptless tx recovered"
     if state == BidStates.XMR_SWAP_FAILED_REFUNDED:
-        return 'Failed, refunded'
+        return "Failed, refunded"
     if state == BidStates.XMR_SWAP_FAILED_SWIPED:
-        return 'Failed, swiped'
+        return "Failed, swiped"
     if state == BidStates.XMR_SWAP_FAILED:
-        return 'Failed'
+        return "Failed"
     if state == BidStates.SWAP_DELAYING:
-        return 'Delaying'
+        return "Delaying"
     if state == BidStates.XMR_SWAP_MSG_SCRIPT_LOCK_TX_SIGS:
-        return 'Exchanged script lock tx sigs msg'
+        return "Exchanged script lock tx sigs msg"
     if state == BidStates.XMR_SWAP_MSG_SCRIPT_LOCK_SPEND_TX:
-        return 'Exchanged script lock spend tx msg'
+        return "Exchanged script lock spend tx msg"
     if state == BidStates.BID_REQUEST_SENT:
-        return 'Request sent'
+        return "Request sent"
     if state == BidStates.BID_REQUEST_ACCEPTED:
-        return 'Request accepted'
+        return "Request accepted"
     if state == BidStates.BID_STATE_UNKNOWN:
-        return 'Unknown bid state'
+        return "Unknown bid state"
     if state == BidStates.BID_EXPIRED:
-        return 'Expired'
-    return 'Unknown' + ' ' + str(state)
+        return "Expired"
+    if state == BidStates.BID_AACCEPT_DELAY:
+        return "Auto accept delay"
+    if state == BidStates.BID_AACCEPT_FAIL:
+        return "Auto accept failed"
+    return "Unknown" + " " + str(state)
 
 
 def strTxState(state):
     if state == TxStates.TX_NONE:
-        return 'None'
+        return "None"
     if state == TxStates.TX_SENT:
-        return 'Sent'
+        return "Sent"
     if state == TxStates.TX_CONFIRMED:
-        return 'Confirmed'
+        return "Confirmed"
     if state == TxStates.TX_REDEEMED:
-        return 'Redeemed'
+        return "Redeemed"
     if state == TxStates.TX_REFUNDED:
-        return 'Refunded'
+        return "Refunded"
     if state == TxStates.TX_IN_MEMPOOL:
-        return 'In Mempool'
+        return "In Mempool"
     if state == TxStates.TX_IN_CHAIN:
-        return 'In Chain'
-    return 'Unknown'
+        return "In Chain"
+    return "Unknown"
 
 
 def strTxType(tx_type):
     if tx_type == TxTypes.XMR_SWAP_A_LOCK:
-        return 'Chain A Lock Tx'
+        return "Chain A Lock Tx"
     if tx_type == TxTypes.XMR_SWAP_A_LOCK_SPEND:
-        return 'Chain A Lock Spend Tx'
+        return "Chain A Lock Spend Tx"
     if tx_type == TxTypes.XMR_SWAP_A_LOCK_REFUND:
-        return 'Chain A Lock Refund Tx'
+        return "Chain A Lock Refund Tx"
     if tx_type == TxTypes.XMR_SWAP_A_LOCK_REFUND_SPEND:
-        return 'Chain A Lock Refund Spend Tx'
+        return "Chain A Lock Refund Spend Tx"
     if tx_type == TxTypes.XMR_SWAP_A_LOCK_REFUND_SWIPE:
-        return 'Chain A Lock Refund Swipe Tx'
+        return "Chain A Lock Refund Swipe Tx"
     if tx_type == TxTypes.XMR_SWAP_B_LOCK:
-        return 'Chain B Lock Tx'
+        return "Chain B Lock Tx"
     if tx_type == TxTypes.ITX_PRE_FUNDED:
-        return 'Funded mock initiate tx'
-    return 'Unknown'
+        return "Funded mock initiate Tx"
+    if tx_type == TxTypes.BCH_MERCY:
+        return "BCH Mercy Tx"
+    return "Unknown"
 
 
 def strAddressType(addr_type):
     if addr_type == AddressTypes.OFFER:
-        return 'Offer'
+        return "Offer"
     if addr_type == AddressTypes.BID:
-        return 'Bid'
+        return "Bid"
     if addr_type == AddressTypes.RECV_OFFER:
-        return 'Offer recv'
+        return "Offer recv"
     if addr_type == AddressTypes.SEND_OFFER:
-        return 'Offer send'
-    return 'Unknown'
+        return "Offer send"
+    return "Unknown"
 
 
 def getLockName(lock_type):
     if lock_type == TxLockTypes.SEQUENCE_LOCK_BLOCKS:
-        return 'Sequence lock, blocks'
+        return "Sequence lock, blocks"
     if lock_type == TxLockTypes.SEQUENCE_LOCK_TIME:
-        return 'Sequence lock, time'
+        return "Sequence lock, time"
     if lock_type == TxLockTypes.ABS_LOCK_BLOCKS:
-        return 'blocks'
+        return "blocks"
     if lock_type == TxLockTypes.ABS_LOCK_TIME:
-        return 'time'
+        return "time"
 
 
 def describeEventEntry(event_type, event_msg):
     if event_type == EventLogTypes.FAILED_TX_B_LOCK_PUBLISH:
-        return 'Failed to publish lock tx B'
+        return "Failed to publish lock tx B"
     if event_type == EventLogTypes.LOCK_TX_A_PUBLISHED:
-        return 'Lock tx A published'
+        return "Lock tx A published"
     if event_type == EventLogTypes.LOCK_TX_B_PUBLISHED:
-        return 'Lock tx B published'
+        return "Lock tx B published"
     if event_type == EventLogTypes.FAILED_TX_B_SPEND:
-        return 'Failed to publish lock tx B spend: ' + event_msg
+        return "Failed to publish lock tx B spend: " + event_msg
     if event_type == EventLogTypes.LOCK_TX_A_SEEN:
-        return 'Lock tx A seen in chain'
+        return "Lock tx A seen in chain"
     if event_type == EventLogTypes.LOCK_TX_A_CONFIRMED:
-        return 'Lock tx A confirmed in chain'
+        return "Lock tx A confirmed in chain"
     if event_type == EventLogTypes.LOCK_TX_B_SEEN:
-        return 'Lock tx B seen in chain'
+        return "Lock tx B seen in chain"
     if event_type == EventLogTypes.LOCK_TX_B_CONFIRMED:
-        return 'Lock tx B confirmed in chain'
+        return "Lock tx B confirmed in chain"
     if event_type == EventLogTypes.LOCK_TX_B_IN_MEMPOOL:
-        return 'Lock tx B seen in mempool'
+        return "Lock tx B seen in mempool"
     if event_type == EventLogTypes.DEBUG_TWEAK_APPLIED:
-        return 'Debug tweak applied ' + event_msg
+        return "Debug tweak applied " + event_msg
     if event_type == EventLogTypes.FAILED_TX_B_REFUND:
-        return 'Failed to publish lock tx B refund'
+        return "Failed to publish lock tx B refund"
     if event_type == EventLogTypes.LOCK_TX_B_INVALID:
-        return 'Detected invalid lock Tx B'
+        return "Detected invalid lock Tx B"
     if event_type == EventLogTypes.LOCK_TX_A_REFUND_TX_PUBLISHED:
-        return 'Lock tx A refund tx published'
+        return "Lock tx A refund tx published"
     if event_type == EventLogTypes.LOCK_TX_A_REFUND_SPEND_TX_PUBLISHED:
-        return 'Lock tx A refund spend tx published'
+        return "Lock tx A refund spend tx published"
     if event_type == EventLogTypes.LOCK_TX_A_REFUND_SWIPE_TX_PUBLISHED:
-        return 'Lock tx A refund swipe tx published'
+        return "Lock tx A refund swipe tx published"
     if event_type == EventLogTypes.LOCK_TX_B_REFUND_TX_PUBLISHED:
-        return 'Lock tx B refund tx published'
+        return "Lock tx B refund tx published"
     if event_type == EventLogTypes.LOCK_TX_A_SPEND_TX_PUBLISHED:
-        return 'Lock tx A spend tx published'
+        return "Lock tx A spend tx published"
     if event_type == EventLogTypes.LOCK_TX_B_SPEND_TX_PUBLISHED:
-        return 'Lock tx B spend tx published'
+        return "Lock tx B spend tx published"
     if event_type == EventLogTypes.LOCK_TX_A_REFUND_TX_SEEN:
-        return 'Lock tx A refund tx seen in chain'
+        return "Lock tx A refund tx seen in chain"
     if event_type == EventLogTypes.LOCK_TX_A_REFUND_SPEND_TX_SEEN:
-        return 'Lock tx A refund spend tx seen in chain'
+        return "Lock tx A refund spend tx seen in chain"
     if event_type == EventLogTypes.SYSTEM_WARNING:
-        return 'Warning: ' + event_msg
+        return "Warning: " + event_msg
     if event_type == EventLogTypes.ERROR:
-        return 'Error: ' + event_msg
+        return "Error: " + event_msg
     if event_type == EventLogTypes.AUTOMATION_CONSTRAINT:
-        return 'Failed auto accepting'
+        return "Failed auto accepting"
     if event_type == EventLogTypes.AUTOMATION_ACCEPTING_BID:
-        return 'Auto accepting'
+        return "Auto accepting"
     if event_type == EventLogTypes.ITX_PUBLISHED:
-        return 'Initiate tx published'
+        return "Initiate tx published"
     if event_type == EventLogTypes.ITX_REDEEM_PUBLISHED:
-        return 'Initiate tx redeem tx published'
+        return "Initiate tx redeem tx published"
     if event_type == EventLogTypes.ITX_REFUND_PUBLISHED:
-        return 'Initiate tx refund tx published'
+        return "Initiate tx refund tx published"
     if event_type == EventLogTypes.PTX_PUBLISHED:
-        return 'Participate tx published'
+        return "Participate tx published"
     if event_type == EventLogTypes.PTX_REDEEM_PUBLISHED:
-        return 'Participate tx redeem tx published'
+        return "Participate tx redeem tx published"
     if event_type == EventLogTypes.PTX_REFUND_PUBLISHED:
-        return 'Participate tx refund tx published'
+        return "Participate tx refund tx published"
+    if event_type == EventLogTypes.BCH_MERCY_TX_FOUND:
+        return "BCH mercy tx found"
+    if event_type == EventLogTypes.BCH_MERCY_TX_PUBLISHED:
+        return "Lock tx B mercy tx published"
 
 
 def getVoutByAddress(txjs, p2sh):
-    for o in txjs['vout']:
+    for o in txjs["vout"]:
         try:
-            if 'address' in o['scriptPubKey'] and o['scriptPubKey']['address'] == p2sh:
-                return o['n']
-            if p2sh in o['scriptPubKey']['addresses']:
-                return o['n']
+            if "address" in o["scriptPubKey"] and o["scriptPubKey"]["address"] == p2sh:
+                return o["n"]
+            if p2sh in o["scriptPubKey"]["addresses"]:
+                return o["n"]
         except Exception:
             pass
-    raise ValueError('Address output not found in txn')
+    raise ValueError("Address output not found in txn")
 
 
 def getVoutByScriptPubKey(txjs, scriptPubKey_hex: str) -> int:
-    for o in txjs['vout']:
+    for o in txjs["vout"]:
         try:
-            if scriptPubKey_hex == o['scriptPubKey']['hex']:
-                return o['n']
+            if scriptPubKey_hex == o["scriptPubKey"]["hex"]:
+                return o["n"]
         except Exception:
             pass
-    raise ValueError('scriptPubKey output not found in txn')
+    raise ValueError("scriptPubKey output not found in txn")
 
 
-def replaceAddrPrefix(addr, coin_type, chain_name, addr_type='pubkey_address'):
-    return encodeAddress(bytes((chainparams[coin_type][chain_name][addr_type],)) + decodeAddress(addr)[1:])
+def replaceAddrPrefix(addr, coin_type, chain_name, addr_type="pubkey_address"):
+    return encodeAddress(
+        bytes((chainparams[coin_type][chain_name][addr_type],))
+        + decodeAddress(addr)[1:]
+    )
 
 
 def getOfferProofOfFundsHash(offer_msg, offer_addr):
     # TODO: Hash must not include proof_of_funds sig if it exists in offer_msg
     h = hashlib.sha256()
-    h.update(offer_addr.encode('utf-8'))
+    h.update(offer_addr.encode("utf-8"))
     offer_bytes = offer_msg.to_bytes()
     h.update(offer_bytes)
     return h.digest()
@@ -484,33 +510,48 @@ def getLastBidState(packed_states):
     num_states = len(packed_states) // 12
     if num_states < 2:
         return BidStates.BID_STATE_UNKNOWN
-    return struct.unpack_from('<i', packed_states[(num_states - 2) * 12:])[0]
+    return struct.unpack_from("<i", packed_states[(num_states - 2) * 12 :])[0]
     try:
         num_states = len(packed_states) // 12
         if num_states < 2:
             return BidStates.BID_STATE_UNKNOWN
-        return struct.unpack_from('<i', packed_states[(num_states - 2) * 12:])[0]
+        return struct.unpack_from("<i", packed_states[(num_states - 2) * 12 :])[0]
     except Exception:
         return BidStates.BID_STATE_UNKNOWN
 
 
 def strSwapType(swap_type):
     if swap_type == SwapTypes.SELLER_FIRST:
-        return 'seller_first'
+        return "seller_first"
     if swap_type == SwapTypes.XMR_SWAP:
-        return 'xmr_swap'
+        return "xmr_swap"
     return None
 
 
 def strSwapDesc(swap_type):
     if swap_type == SwapTypes.SELLER_FIRST:
-        return 'Secret Hash'
+        return "Secret Hash"
     if swap_type == SwapTypes.XMR_SWAP:
-        return 'Adaptor Sig'
+        return "Adaptor Sig"
     return None
 
 
-inactive_states = [BidStates.SWAP_COMPLETED, BidStates.BID_ERROR, BidStates.BID_REJECTED, BidStates.SWAP_TIMEDOUT, BidStates.BID_ABANDONED, BidStates.BID_EXPIRED]
+inactive_states = [
+    BidStates.SWAP_COMPLETED,
+    BidStates.BID_ERROR,
+    BidStates.BID_REJECTED,
+    BidStates.SWAP_TIMEDOUT,
+    BidStates.BID_ABANDONED,
+    BidStates.BID_EXPIRED,
+]
+
+
+def canAcceptBidState(state):
+    return state in (
+        BidStates.BID_RECEIVED,
+        BidStates.BID_AACCEPT_DELAY,
+        BidStates.BID_AACCEPT_FAIL,
+    )
 
 
 def isActiveBidState(state):

basicswap/bin/__init__.py

@@ -0,0 +1 @@
+name = "bin"

basicswap/bin/run.py

@@ -0,0 +1,649 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2019-2024 tecnovert
+# Copyright (c) 2024-2025 The Basicswap developers
+# Distributed under the MIT software license, see the accompanying
+# file LICENSE or http://www.opensource.org/licenses/mit-license.php.
+
+import json
+import logging
+import os
+import shutil
+import signal
+import subprocess
+import sys
+import traceback
+
+import basicswap.config as cfg
+from basicswap import __version__
+from basicswap.ui.util import getCoinName
+from basicswap.basicswap import BasicSwap
+from basicswap.chainparams import chainparams, Coins
+from basicswap.http_server import HttpThread
+from basicswap.contrib.websocket_server import WebsocketServer
+
+
+initial_logger = logging.getLogger()
+initial_logger.level = logging.DEBUG
+if not len(initial_logger.handlers):
+    initial_logger.addHandler(initial_logger.StreamHandler(sys.stdout))
+logger = initial_logger
+
+swap_client = None
+
+
+class Daemon:
+    __slots__ = ("handle", "files")
+
+    def __init__(self, handle, files):
+        self.handle = handle
+        self.files = files
+
+
+def is_known_coin(coin_name: str) -> bool:
+    for k, v in chainparams.items():
+        if coin_name == v["name"]:
+            return True
+    return False
+
+
+def signal_handler(sig, frame):
+    os.write(
+        sys.stdout.fileno(), f"Signal {sig} detected, ending program.\n".encode("utf-8")
+    )
+    if swap_client is not None and not swap_client.chainstate_delay_event.is_set():
+        swap_client.stopRunning()
+
+
+def startDaemon(node_dir, bin_dir, daemon_bin, opts=[], extra_config={}):
+    daemon_bin = os.path.expanduser(os.path.join(bin_dir, daemon_bin))
+    datadir_path = os.path.expanduser(node_dir)
+
+    # Rewrite litecoin.conf
+    # TODO: Remove
+    needs_rewrite: bool = False
+    ltc_conf_path = os.path.join(datadir_path, "litecoin.conf")
+    if os.path.exists(ltc_conf_path):
+        with open(ltc_conf_path) as fp:
+            for line in fp:
+                line = line.strip()
+                if line.endswith("=onion"):
+                    needs_rewrite = True
+                    break
+        if needs_rewrite:
+            logger.info("Rewriting litecoin.conf")
+            shutil.copyfile(ltc_conf_path, ltc_conf_path + ".last")
+            with (
+                open(ltc_conf_path + ".last") as fp_from,
+                open(ltc_conf_path, "w") as fp_to,
+            ):
+                for line in fp_from:
+                    if line.strip().endswith("=onion"):
+                        fp_to.write(line.strip()[:-6] + "\n")
+                    else:
+                        fp_to.write(line)
+
+    args = [
+        daemon_bin,
+    ]
+    add_datadir: bool = extra_config.get("add_datadir", True)
+    if add_datadir:
+        args.append("-datadir=" + datadir_path)
+    args += opts
+    logger.info("Starting node {}".format(daemon_bin))
+    logger.debug("Arguments {}".format(" ".join(args)))
+
+    opened_files = []
+    if extra_config.get("stdout_to_file", False):
+        stdout_dest = open(
+            os.path.join(
+                datadir_path, extra_config.get("stdout_filename", "core_stdout.log")
+            ),
+            "w",
+        )
+        opened_files.append(stdout_dest)
+        stderr_dest = stdout_dest
+    else:
+        stdout_dest = subprocess.PIPE
+        stderr_dest = subprocess.PIPE
+
+    shell: bool = False
+    if extra_config.get("use_shell", False):
+        args = " ".join(args)
+        shell = True
+    return Daemon(
+        subprocess.Popen(
+            args,
+            shell=shell,
+            stdin=subprocess.PIPE,
+            stdout=stdout_dest,
+            stderr=stderr_dest,
+            cwd=datadir_path,
+        ),
+        opened_files,
+    )
+
+
+def startXmrDaemon(node_dir, bin_dir, daemon_bin, opts=[]):
+    daemon_path = os.path.expanduser(os.path.join(bin_dir, daemon_bin))
+
+    datadir_path = os.path.expanduser(node_dir)
+    config_filename = (
+        "wownerod.conf" if daemon_bin.startswith("wow") else "monerod.conf"
+    )
+    args = [
+        daemon_path,
+        "--non-interactive",
+        "--config-file=" + os.path.join(datadir_path, config_filename),
+    ] + opts
+    logger.info("Starting node {}".format(daemon_bin))
+    logger.debug("Arguments {}".format(" ".join(args)))
+
+    # return subprocess.Popen(args, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+    file_stdout = open(os.path.join(datadir_path, "core_stdout.log"), "w")
+    file_stderr = open(os.path.join(datadir_path, "core_stderr.log"), "w")
+    return Daemon(
+        subprocess.Popen(
+            args,
+            stdin=subprocess.PIPE,
+            stdout=file_stdout,
+            stderr=file_stderr,
+            cwd=datadir_path,
+        ),
+        [file_stdout, file_stderr],
+    )
+
+
+def startXmrWalletDaemon(node_dir, bin_dir, wallet_bin, opts=[]):
+    daemon_path = os.path.expanduser(os.path.join(bin_dir, wallet_bin))
+    args = [daemon_path, "--non-interactive"]
+
+    needs_rewrite: bool = False
+    config_to_remove = [
+        "daemon-address=",
+        "untrusted-daemon=",
+        "trusted-daemon=",
+        "proxy=",
+    ]
+
+    data_dir = os.path.expanduser(node_dir)
+
+    wallet_config_filename = (
+        "wownero-wallet-rpc.conf"
+        if wallet_bin.startswith("wow")
+        else "monero_wallet.conf"
+    )
+    config_path = os.path.join(data_dir, wallet_config_filename)
+    if os.path.exists(config_path):
+        args += ["--config-file=" + config_path]
+        with open(config_path) as fp:
+            for line in fp:
+                if any(
+                    line.startswith(config_line) for config_line in config_to_remove
+                ):
+                    logger.warning(
+                        "Found old config in monero_wallet.conf: {}".format(
+                            line.strip()
+                        )
+                    )
+                    needs_rewrite = True
+    args += opts
+
+    if needs_rewrite:
+        logger.info("Rewriting wallet config")
+        shutil.copyfile(config_path, config_path + ".last")
+        with open(config_path + ".last") as fp_from, open(config_path, "w") as fp_to:
+            for line in fp_from:
+                if not any(
+                    line.startswith(config_line) for config_line in config_to_remove
+                ):
+                    fp_to.write(line)
+
+    logger.info("Starting wallet daemon {}".format(wallet_bin))
+    logger.debug("Arguments {}".format(" ".join(args)))
+
+    # TODO: return subprocess.Popen(args, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE, cwd=data_dir)
+    wallet_stdout = open(os.path.join(data_dir, "wallet_stdout.log"), "w")
+    wallet_stderr = open(os.path.join(data_dir, "wallet_stderr.log"), "w")
+    return Daemon(
+        subprocess.Popen(
+            args,
+            stdin=subprocess.PIPE,
+            stdout=wallet_stdout,
+            stderr=wallet_stderr,
+            cwd=data_dir,
+        ),
+        [wallet_stdout, wallet_stderr],
+    )
+
+
+def ws_new_client(client, server):
+    if swap_client:
+        swap_client.log.debug(f'ws_new_client {client["id"]}')
+
+
+def ws_client_left(client, server):
+    if client is None:
+        return
+    if swap_client:
+        swap_client.log.debug(f'ws_client_left {client["id"]}')
+
+
+def ws_message_received(client, server, message):
+    if len(message) > 200:
+        message = message[:200] + ".."
+    if swap_client:
+        swap_client.log.debug(f'ws_message_received {client["id"]} {message}')
+
+
+def getCoreBinName(coin_id: int, coin_settings, default_name: str) -> str:
+    return coin_settings.get(
+        "core_binname", chainparams[coin_id].get("core_binname", default_name)
+    ) + (".exe" if os.name == "nt" else "")
+
+
+def getWalletBinName(coin_id: int, coin_settings, default_name: str) -> str:
+    return coin_settings.get(
+        "wallet_binname", chainparams[coin_id].get("wallet_binname", default_name)
+    ) + (".exe" if os.name == "nt" else "")
+
+
+def getCoreBinArgs(coin_id: int, coin_settings, prepare=False, use_tor_proxy=False):
+    extra_args = []
+    if "config_filename" in coin_settings:
+        extra_args.append("--conf=" + coin_settings["config_filename"])
+    if "port" in coin_settings and coin_id != Coins.BTC:
+        if prepare is False and use_tor_proxy:
+            if coin_id == Coins.BCH:
+                # Without this BCH (27.1) will bind to the default BTC port, even with proxy set
+                extra_args.append("--bind=127.0.0.1:" + str(int(coin_settings["port"])))
+        else:
+            extra_args.append("--port=" + str(int(coin_settings["port"])))
+
+    # BTC versions from v28 fail to start if the onionport is in use.
+    # As BCH may use port 8334, disable it here.
+    # When tor is enabled a bind option for the onionport will be added to bitcoin.conf.
+    # https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-28.0.md?plain=1#L84
+    if prepare is False and use_tor_proxy is False and coin_id == Coins.BTC:
+        port: int = coin_settings.get("port", 8333)
+        extra_args.append(f"--bind=0.0.0.0:{port}")
+    return extra_args
+
+
+def runClient(fp, data_dir, chain, start_only_coins):
+    global swap_client, logger
+    daemons = []
+    pids = []
+    threads = []
+    settings_path = os.path.join(data_dir, cfg.CONFIG_FILENAME)
+    pids_path = os.path.join(data_dir, ".pids")
+
+    if os.getenv("WALLET_ENCRYPTION_PWD", "") != "":
+        if "decred" in start_only_coins:
+            # Workaround for dcrwallet requiring password for initial startup
+            logger.warning(
+                "Allowing set WALLET_ENCRYPTION_PWD var with --startonlycoin=decred."
+            )
+        else:
+            raise ValueError(
+                "Please unset the WALLET_ENCRYPTION_PWD environment variable."
+            )
+
+    if not os.path.exists(settings_path):
+        raise ValueError("Settings file not found: " + str(settings_path))
+
+    with open(settings_path) as fs:
+        settings = json.load(fs)
+
+    swap_client = BasicSwap(fp, data_dir, settings, chain)
+    logger = swap_client.log
+
+    if os.path.exists(pids_path):
+        with open(pids_path) as fd:
+            for ln in fd:
+                # TODO: try close
+                logger.warning("Found pid for daemon {} ".format(ln.strip()))
+
+    # Ensure daemons are stopped
+    swap_client.stopDaemons()
+
+    # Settings may have been modified
+    settings = swap_client.settings
+    try:
+        # Try start daemons
+        for c, v in settings["chainclients"].items():
+            if len(start_only_coins) > 0 and c not in start_only_coins:
+                continue
+            try:
+                coin_id = swap_client.getCoinIdFromName(c)
+                display_name = getCoinName(coin_id)
+            except Exception as e:  # noqa: F841
+                logger.warning("Not starting unknown coin: {}".format(c))
+                continue
+            if c in ("monero", "wownero"):
+                if v["manage_daemon"] is True:
+                    swap_client.log.info(f"Starting {display_name} daemon")
+                    filename: str = getCoreBinName(coin_id, v, c + "d")
+
+                    daemons.append(startXmrDaemon(v["datadir"], v["bindir"], filename))
+                    pid = daemons[-1].handle.pid
+                    swap_client.log.info("Started {} {}".format(filename, pid))
+
+                if v["manage_wallet_daemon"] is True:
+                    swap_client.log.info(f"Starting {display_name} wallet daemon")
+                    daemon_addr = "{}:{}".format(v["rpchost"], v["rpcport"])
+                    trusted_daemon: bool = swap_client.getXMRTrustedDaemon(
+                        coin_id, v["rpchost"]
+                    )
+                    opts = [
+                        "--daemon-address",
+                        daemon_addr,
+                    ]
+
+                    proxy_log_str = ""
+                    proxy_host, proxy_port = swap_client.getXMRWalletProxy(
+                        coin_id, v["rpchost"]
+                    )
+                    if proxy_host:
+                        proxy_log_str = " through proxy"
+                        opts += [
+                            "--proxy",
+                            f"{proxy_host}:{proxy_port}",
+                            "--daemon-ssl-allow-any-cert",
+                        ]
+
+                    swap_client.log.info(
+                        "daemon-address: {} ({}){}".format(
+                            daemon_addr,
+                            "trusted" if trusted_daemon else "untrusted",
+                            proxy_log_str,
+                        )
+                    )
+
+                    daemon_rpcuser = v.get("rpcuser", "")
+                    daemon_rpcpass = v.get("rpcpassword", "")
+                    if daemon_rpcuser != "":
+                        opts.append("--daemon-login")
+                        opts.append(daemon_rpcuser + ":" + daemon_rpcpass)
+
+                    opts.append(
+                        "--trusted-daemon" if trusted_daemon else "--untrusted-daemon"
+                    )
+                    filename: str = getWalletBinName(coin_id, v, c + "-wallet-rpc")
+
+                    daemons.append(
+                        startXmrWalletDaemon(v["datadir"], v["bindir"], filename, opts)
+                    )
+                    pid = daemons[-1].handle.pid
+                    swap_client.log.info("Started {} {}".format(filename, pid))
+
+                continue  # /monero
+
+            if c == "decred":
+                appdata = v["datadir"]
+                extra_opts = [
+                    f'--appdata="{appdata}"',
+                ]
+                use_shell: bool = True if os.name == "nt" else False
+                if v["manage_daemon"] is True:
+                    swap_client.log.info(f"Starting {display_name} daemon")
+                    filename: str = getCoreBinName(coin_id, v, "dcrd")
+
+                    extra_config = {
+                        "add_datadir": False,
+                        "stdout_to_file": True,
+                        "stdout_filename": "dcrd_stdout.log",
+                        "use_shell": use_shell,
+                    }
+                    daemons.append(
+                        startDaemon(
+                            appdata,
+                            v["bindir"],
+                            filename,
+                            opts=extra_opts,
+                            extra_config=extra_config,
+                        )
+                    )
+                    pid = daemons[-1].handle.pid
+                    swap_client.log.info("Started {} {}".format(filename, pid))
+
+                if v["manage_wallet_daemon"] is True:
+                    swap_client.log.info(f"Starting {display_name} wallet daemon")
+                    filename: str = getWalletBinName(coin_id, v, "dcrwallet")
+
+                    wallet_pwd = v["wallet_pwd"]
+                    if wallet_pwd == "":
+                        # Only set when in startonlycoin mode
+                        wallet_pwd = os.getenv("WALLET_ENCRYPTION_PWD", "")
+                    if wallet_pwd != "":
+                        extra_opts.append(f'--pass="{wallet_pwd}"')
+                    extra_config = {
+                        "add_datadir": False,
+                        "stdout_to_file": True,
+                        "stdout_filename": "dcrwallet_stdout.log",
+                        "use_shell": use_shell,
+                    }
+                    daemons.append(
+                        startDaemon(
+                            appdata,
+                            v["bindir"],
+                            filename,
+                            opts=extra_opts,
+                            extra_config=extra_config,
+                        )
+                    )
+                    pid = daemons[-1].handle.pid
+                    swap_client.log.info("Started {} {}".format(filename, pid))
+
+                continue  # /decred
+
+            if v["manage_daemon"] is True:
+                swap_client.log.info(f"Starting {display_name} daemon")
+
+                filename: str = getCoreBinName(coin_id, v, c + "d")
+                extra_opts = getCoreBinArgs(
+                    coin_id, v, use_tor_proxy=swap_client.use_tor_proxy
+                )
+                daemons.append(
+                    startDaemon(v["datadir"], v["bindir"], filename, opts=extra_opts)
+                )
+                pid = daemons[-1].handle.pid
+                pids.append((c, pid))
+                swap_client.setDaemonPID(c, pid)
+                swap_client.log.info("Started {} {}".format(filename, pid))
+        if len(pids) > 0:
+            with open(pids_path, "w") as fd:
+                for p in pids:
+                    fd.write("{}:{}\n".format(*p))
+
+        signal.signal(signal.SIGINT, signal_handler)
+        signal.signal(signal.SIGTERM, signal_handler)
+        signal.signal(signal.SIGHUP, signal_handler)
+
+        if len(start_only_coins) > 0:
+            logger.info(
+                f"Only running {start_only_coins}. Manually exit with Ctrl + c when ready."
+            )
+            while not swap_client.delay_event.wait(0.5):
+                pass
+        else:
+            swap_client.start()
+            if "htmlhost" in settings:
+                swap_client.log.info(
+                    "Starting http server at http://%s:%d."
+                    % (settings["htmlhost"], settings["htmlport"])
+                )
+                allow_cors = (
+                    settings["allowcors"]
+                    if "allowcors" in settings
+                    else cfg.DEFAULT_ALLOW_CORS
+                )
+                thread_http = HttpThread(
+                    fp,
+                    settings["htmlhost"],
+                    settings["htmlport"],
+                    allow_cors,
+                    swap_client,
+                )
+                threads.append(thread_http)
+                thread_http.start()
+
+            if "wshost" in settings:
+                ws_url = "ws://{}:{}".format(settings["wshost"], settings["wsport"])
+                swap_client.log.info(f"Starting ws server at {ws_url}.")
+
+                swap_client.ws_server = WebsocketServer(
+                    host=settings["wshost"], port=settings["wsport"]
+                )
+                swap_client.ws_server.client_port = settings.get(
+                    "wsclientport", settings["wsport"]
+                )
+                swap_client.ws_server.set_fn_new_client(ws_new_client)
+                swap_client.ws_server.set_fn_client_left(ws_client_left)
+                swap_client.ws_server.set_fn_message_received(ws_message_received)
+                swap_client.ws_server.run_forever(threaded=True)
+
+            logger.info("Exit with Ctrl + c.")
+            while not swap_client.delay_event.wait(0.5):
+                swap_client.update()
+
+    except Exception as e:  # noqa: F841
+        traceback.print_exc()
+
+    if swap_client.ws_server:
+        try:
+            swap_client.log.info("Stopping websocket server.")
+            swap_client.ws_server.shutdown_gracefully()
+        except Exception as e:  # noqa: F841
+            traceback.print_exc()
+
+    swap_client.finalise()
+    swap_client.log.info("Stopping HTTP threads.")
+    for t in threads:
+        try:
+            t.stop()
+            t.join()
+        except Exception as e:  # noqa: F841
+            traceback.print_exc()
+
+    closed_pids = []
+    for d in daemons:
+        swap_client.log.info("Interrupting {}".format(d.handle.pid))
+        try:
+            d.handle.send_signal(
+                signal.CTRL_C_EVENT if os.name == "nt" else signal.SIGINT
+            )
+        except Exception as e:
+            swap_client.log.info(f"Interrupting {d.handle.pid}, error {e}")
+    for d in daemons:
+        try:
+            d.handle.wait(timeout=120)
+            for fp in [d.handle.stdout, d.handle.stderr, d.handle.stdin] + d.files:
+                if fp:
+                    fp.close()
+            closed_pids.append(d.handle.pid)
+        except Exception as e:
+            swap_client.log.error(f"Error: {e}")
+
+    if os.path.exists(pids_path):
+        with open(pids_path) as fd:
+            lines = fd.read().split("\n")
+        still_running = ""
+        for ln in lines:
+            try:
+                if int(ln.split(":")[1]) not in closed_pids:
+                    still_running += ln + "\n"
+            except Exception:
+                pass
+        with open(pids_path, "w") as fd:
+            fd.write(still_running)
+
+
+def printVersion():
+    logger.info("Basicswap version: %s", __version__)
+
+
+def printHelp():
+    print("Usage: basicswap-run ")
+    print("\n--help, -h               Print help.")
+    print("--version, -v            Print version.")
+    print(
+        "--datadir=PATH           Path to basicswap data directory, default:{}.".format(
+            cfg.BASICSWAP_DATADIR
+        )
+    )
+    print("--mainnet                Run in mainnet mode.")
+    print("--testnet                Run in testnet mode.")
+    print("--regtest                Run in regtest mode.")
+    print(
+        "--startonlycoin          Only start the provides coin daemon/s, use this if a chain requires extra processing."
+    )
+
+
+def main():
+    data_dir = None
+    chain = "mainnet"
+    start_only_coins = set()
+
+    for v in sys.argv[1:]:
+        if len(v) < 2 or v[0] != "-":
+            logger.warning("Unknown argument %s", v)
+            continue
+
+        s = v.split("=")
+        name = s[0].strip()
+
+        for i in range(2):
+            if name[0] == "-":
+                name = name[1:]
+
+        if name == "v" or name == "version":
+            printVersion()
+            return 0
+        if name == "h" or name == "help":
+            printHelp()
+            return 0
+
+        if name in ("mainnet", "testnet", "regtest"):
+            chain = name
+            continue
+
+        if len(s) == 2:
+            if name == "datadir":
+                data_dir = os.path.expanduser(s[1])
+                continue
+        if name == "startonlycoin":
+            for coin in [s.lower() for s in s[1].split(",")]:
+                if is_known_coin(coin) is False:
+                    raise ValueError(f"Unknown coin: {coin}")
+                start_only_coins.add(coin)
+            continue
+
+        logger.warning("Unknown argument %s", v)
+
+    if os.name == "nt":
+        logger.warning(
+            "Running on windows is discouraged and windows support may be discontinued in the future.  Please consider using the WSL docker setup instead."
+        )
+
+    if data_dir is None:
+        data_dir = os.path.join(os.path.expanduser(cfg.BASICSWAP_DATADIR))
+    logger.info("Using datadir: %s", data_dir)
+    logger.info("Chain: %s", chain)
+
+    if not os.path.exists(data_dir):
+        os.makedirs(data_dir)
+
+    with open(os.path.join(data_dir, "basicswap.log"), "a") as fp:
+        logger.info(
+            os.path.basename(sys.argv[0]) + ", version: " + __version__ + "\n\n"
+        )
+        runClient(fp, data_dir, chain, start_only_coins)
+
+    print("Done.")
+    return swap_client.fail_code if swap_client is not None else 0
+
+
+if __name__ == "__main__":
+    main()

basicswap/chainparams.py

@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 
 # Copyright (c) 2019-2024 tecnovert
+# Copyright (c) 2024-2025 The Basicswap developers
 # Distributed under the MIT software license, see the accompanying
 # file LICENSE or http://www.opensource.org/licenses/mit-license.php.
 
@@ -9,8 +10,8 @@ from .util import (
     COIN,
 )
 
-XMR_COIN = 10 ** 12
-WOW_COIN = 10 ** 11
+XMR_COIN = 10**12
+WOW_COIN = 10**11
 
 
 class Coins(IntEnum):
@@ -30,419 +31,522 @@ class Coins(IntEnum):
     NAV = 14
     LTC_MWEB = 15
     # ZANO = 16
+    BCH = 17
+    DOGE = 18
 
 
 chainparams = {
     Coins.PART: {
-        'name': 'particl',
-        'ticker': 'PART',
-        'message_magic': 'Bitcoin Signed Message:\n',
-        'blocks_target': 60 * 2,
-        'decimal_places': 8,
-        'mainnet': {
-            'rpcport': 51735,
-            'pubkey_address': 0x38,
-            'script_address': 0x3c,
-            'key_prefix': 0x6c,
-            'stealth_key_prefix': 0x14,
-            'hrp': 'pw',
-            'bip44': 44,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
+        "name": "particl",
+        "ticker": "PART",
+        "message_magic": "Bitcoin Signed Message:\n",
+        "blocks_target": 60 * 2,
+        "decimal_places": 8,
+        "mainnet": {
+            "rpcport": 51735,
+            "pubkey_address": 0x38,
+            "script_address": 0x3C,
+            "key_prefix": 0x6C,
+            "stealth_key_prefix": 0x14,
+            "hrp": "pw",
+            "bip44": 44,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
         },
-        'testnet': {
-            'rpcport': 51935,
-            'pubkey_address': 0x76,
-            'script_address': 0x7a,
-            'key_prefix': 0x2e,
-            'stealth_key_prefix': 0x15,
-            'hrp': 'tpw',
-            'bip44': 1,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
+        "testnet": {
+            "rpcport": 51935,
+            "pubkey_address": 0x76,
+            "script_address": 0x7A,
+            "key_prefix": 0x2E,
+            "stealth_key_prefix": 0x15,
+            "hrp": "tpw",
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+        },
+        "regtest": {
+            "rpcport": 51936,
+            "pubkey_address": 0x76,
+            "script_address": 0x7A,
+            "key_prefix": 0x2E,
+            "stealth_key_prefix": 0x15,
+            "hrp": "rtpw",
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
         },
-        'regtest': {
-            'rpcport': 51936,
-            'pubkey_address': 0x76,
-            'script_address': 0x7a,
-            'key_prefix': 0x2e,
-            'stealth_key_prefix': 0x15,
-            'hrp': 'rtpw',
-            'bip44': 1,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
-        }
     },
     Coins.BTC: {
-        'name': 'bitcoin',
-        'ticker': 'BTC',
-        'message_magic': 'Bitcoin Signed Message:\n',
-        'blocks_target': 60 * 10,
-        'decimal_places': 8,
-        'mainnet': {
-            'rpcport': 8332,
-            'pubkey_address': 0,
-            'script_address': 5,
-            'key_prefix': 128,
-            'hrp': 'bc',
-            'bip44': 0,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
+        "name": "bitcoin",
+        "ticker": "BTC",
+        "message_magic": "Bitcoin Signed Message:\n",
+        "blocks_target": 60 * 10,
+        "decimal_places": 8,
+        "mainnet": {
+            "rpcport": 8332,
+            "pubkey_address": 0,
+            "script_address": 5,
+            "key_prefix": 128,
+            "hrp": "bc",
+            "bip44": 0,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+            "ext_public_key_prefix": 0x0488B21E,
+            "ext_secret_key_prefix": 0x0488ADE4,
         },
-        'testnet': {
-            'rpcport': 18332,
-            'pubkey_address': 111,
-            'script_address': 196,
-            'key_prefix': 239,
-            'hrp': 'tb',
-            'bip44': 1,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
-            'name': 'testnet3',
+        "testnet": {
+            "rpcport": 18332,
+            "pubkey_address": 111,
+            "script_address": 196,
+            "key_prefix": 239,
+            "hrp": "tb",
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+            "name": "testnet3",
+            "ext_public_key_prefix": 0x043587CF,
+            "ext_secret_key_prefix": 0x04358394,
+        },
+        "regtest": {
+            "rpcport": 18443,
+            "pubkey_address": 111,
+            "script_address": 196,
+            "key_prefix": 239,
+            "hrp": "bcrt",
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+            "ext_public_key_prefix": 0x043587CF,
+            "ext_secret_key_prefix": 0x04358394,
         },
-        'regtest': {
-            'rpcport': 18443,
-            'pubkey_address': 111,
-            'script_address': 196,
-            'key_prefix': 239,
-            'hrp': 'bcrt',
-            'bip44': 1,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
-        }
     },
     Coins.LTC: {
-        'name': 'litecoin',
-        'ticker': 'LTC',
-        'message_magic': 'Litecoin Signed Message:\n',
-        'blocks_target': 60 * 1,
-        'decimal_places': 8,
-        'mainnet': {
-            'rpcport': 9332,
-            'pubkey_address': 48,
-            'script_address': 5,
-            'script_address2': 50,
-            'key_prefix': 176,
-            'hrp': 'ltc',
-            'bip44': 2,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
+        "name": "litecoin",
+        "ticker": "LTC",
+        "message_magic": "Litecoin Signed Message:\n",
+        "blocks_target": 60 * 1,
+        "decimal_places": 8,
+        "mainnet": {
+            "rpcport": 9332,
+            "pubkey_address": 48,
+            "script_address": 5,
+            "script_address2": 50,
+            "key_prefix": 176,
+            "hrp": "ltc",
+            "bip44": 2,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
         },
-        'testnet': {
-            'rpcport': 19332,
-            'pubkey_address': 111,
-            'script_address': 196,
-            'script_address2': 58,
-            'key_prefix': 239,
-            'hrp': 'tltc',
-            'bip44': 1,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
-            'name': 'testnet4',
+        "testnet": {
+            "rpcport": 19332,
+            "pubkey_address": 111,
+            "script_address": 196,
+            "script_address2": 58,
+            "key_prefix": 239,
+            "hrp": "tltc",
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+            "name": "testnet4",
+        },
+        "regtest": {
+            "rpcport": 19443,
+            "pubkey_address": 111,
+            "script_address": 196,
+            "script_address2": 58,
+            "key_prefix": 239,
+            "hrp": "rltc",
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+        },
+    },
+    Coins.DOGE: {
+        "name": "dogecoin",
+        "ticker": "DOGE",
+        "message_magic": "Dogecoin Signed Message:\n",
+        "blocks_target": 60 * 1,
+        "decimal_places": 8,
+        "mainnet": {
+            "rpcport": 22555,
+            "pubkey_address": 30,
+            "script_address": 22,
+            "key_prefix": 158,
+            "hrp": "doge",
+            "bip44": 3,
+            "min_amount": 100000,  # TODO increase above fee
+            "max_amount": 10000000 * COIN,
+        },
+        "testnet": {
+            "rpcport": 44555,
+            "pubkey_address": 113,
+            "script_address": 196,
+            "key_prefix": 241,
+            "hrp": "tdge",
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+            "name": "testnet4",
+        },
+        "regtest": {
+            "rpcport": 18332,
+            "pubkey_address": 111,
+            "script_address": 196,
+            "key_prefix": 239,
+            "hrp": "rdge",
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
         },
-        'regtest': {
-            'rpcport': 19443,
-            'pubkey_address': 111,
-            'script_address': 196,
-            'script_address2': 58,
-            'key_prefix': 239,
-            'hrp': 'rltc',
-            'bip44': 1,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
-        }
     },
     Coins.DCR: {
-        'name': 'decred',
-        'ticker': 'DCR',
-        'message_magic': 'Decred Signed Message:\n',
-        'blocks_target': 60 * 5,
-        'decimal_places': 8,
-        'mainnet': {
-            'rpcport': 9109,
-            'pubkey_address': 0x073f,
-            'script_address': 0x071a,
-            'key_prefix': 0x22de,
-            'bip44': 42,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
+        "name": "decred",
+        "ticker": "DCR",
+        "message_magic": "Decred Signed Message:\n",
+        "blocks_target": 60 * 5,
+        "decimal_places": 8,
+        "has_multiwallet": False,
+        "mainnet": {
+            "rpcport": 9109,
+            "pubkey_address": 0x073F,
+            "script_address": 0x071A,
+            "key_prefix": 0x22DE,
+            "bip44": 42,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
         },
-        'testnet': {
-            'rpcport': 19109,
-            'pubkey_address': 0x0f21,
-            'script_address': 0x0efc,
-            'key_prefix': 0x230e,
-            'bip44': 1,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
-            'name': 'testnet3',
+        "testnet": {
+            "rpcport": 19109,
+            "pubkey_address": 0x0F21,
+            "script_address": 0x0EFC,
+            "key_prefix": 0x230E,
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+            "name": "testnet3",
+        },
+        "regtest": {  # simnet
+            "rpcport": 18656,
+            "pubkey_address": 0x0E91,
+            "script_address": 0x0E6C,
+            "key_prefix": 0x2307,
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
         },
-        'regtest': {  # simnet
-            'rpcport': 18656,
-            'pubkey_address': 0x0e91,
-            'script_address': 0x0e6c,
-            'key_prefix': 0x2307,
-            'bip44': 1,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
-        }
     },
     Coins.NMC: {
-        'name': 'namecoin',
-        'ticker': 'NMC',
-        'message_magic': 'Namecoin Signed Message:\n',
-        'blocks_target': 60 * 10,
-        'decimal_places': 8,
-        'mainnet': {
-            'rpcport': 8336,
-            'pubkey_address': 52,
-            'script_address': 13,
-            'hrp': 'nc',
-            'bip44': 7,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
+        "name": "namecoin",
+        "ticker": "NMC",
+        "message_magic": "Namecoin Signed Message:\n",
+        "blocks_target": 60 * 10,
+        "decimal_places": 8,
+        "mainnet": {
+            "rpcport": 8336,
+            "pubkey_address": 52,
+            "script_address": 13,
+            "hrp": "nc",
+            "bip44": 7,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
         },
-        'testnet': {
-            'rpcport': 18336,
-            'pubkey_address': 111,
-            'script_address': 196,
-            'hrp': 'tn',
-            'bip44': 1,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
-            'name': 'testnet3',
+        "testnet": {
+            "rpcport": 18336,
+            "pubkey_address": 111,
+            "script_address": 196,
+            "hrp": "tn",
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+            "name": "testnet3",
+        },
+        "regtest": {
+            "rpcport": 18443,
+            "pubkey_address": 111,
+            "script_address": 196,
+            "hrp": "ncrt",
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
         },
-        'regtest': {
-            'rpcport': 18443,
-            'pubkey_address': 111,
-            'script_address': 196,
-            'hrp': 'ncrt',
-            'bip44': 1,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
-        }
     },
     Coins.XMR: {
-        'name': 'monero',
-        'ticker': 'XMR',
-        'client': 'xmr',
-        'decimal_places': 12,
-        'mainnet': {
-            'rpcport': 18081,
-            'walletrpcport': 18082,
-            'min_amount': 100000,
-            'max_amount': 10000 * XMR_COIN,
-            'address_prefix': 18,
+        "name": "monero",
+        "ticker": "XMR",
+        "client": "xmr",
+        "decimal_places": 12,
+        "mainnet": {
+            "rpcport": 18081,
+            "walletrpcport": 18082,
+            "min_amount": 1000000000,
+            "max_amount": 10000000 * XMR_COIN,
+            "address_prefix": 18,
         },
-        'testnet': {
-            'rpcport': 28081,
-            'walletrpcport': 28082,
-            'min_amount': 100000,
-            'max_amount': 10000 * XMR_COIN,
-            'address_prefix': 18,
+        "testnet": {
+            "rpcport": 28081,
+            "walletrpcport": 28082,
+            "min_amount": 1000000000,
+            "max_amount": 10000000 * XMR_COIN,
+            "address_prefix": 18,
+        },
+        "regtest": {
+            "rpcport": 18081,
+            "walletrpcport": 18082,
+            "min_amount": 1000000000,
+            "max_amount": 10000000 * XMR_COIN,
+            "address_prefix": 18,
         },
-        'regtest': {
-            'rpcport': 18081,
-            'walletrpcport': 18082,
-            'min_amount': 100000,
-            'max_amount': 10000 * XMR_COIN,
-            'address_prefix': 18,
-        }
     },
     Coins.WOW: {
-        'name': 'wownero',
-        'ticker': 'WOW',
-        'client': 'wow',
-        'decimal_places': 11,
-        'mainnet': {
-            'rpcport': 34568,
-            'walletrpcport': 34572,  # todo
-            'min_amount': 100000,
-            'max_amount': 10000 * WOW_COIN,
-            'address_prefix': 4146,
+        "name": "wownero",
+        "ticker": "WOW",
+        "client": "wow",
+        "decimal_places": 11,
+        "mainnet": {
+            "rpcport": 34568,
+            "walletrpcport": 34572,  # todo
+            "min_amount": 100000000,
+            "max_amount": 10000000 * WOW_COIN,
+            "address_prefix": 4146,
         },
-        'testnet': {
-            'rpcport': 44568,
-            'walletrpcport': 44572,
-            'min_amount': 100000,
-            'max_amount': 10000 * WOW_COIN,
-            'address_prefix': 4146,
+        "testnet": {
+            "rpcport": 44568,
+            "walletrpcport": 44572,
+            "min_amount": 100000000,
+            "max_amount": 10000000 * WOW_COIN,
+            "address_prefix": 4146,
+        },
+        "regtest": {
+            "rpcport": 54568,
+            "walletrpcport": 54572,
+            "min_amount": 100000000,
+            "max_amount": 10000000 * WOW_COIN,
+            "address_prefix": 4146,
         },
-        'regtest': {
-            'rpcport': 54568,
-            'walletrpcport': 54572,
-            'min_amount': 100000,
-            'max_amount': 10000 * WOW_COIN,
-            'address_prefix': 4146,
-        }
     },
     Coins.PIVX: {
-        'name': 'pivx',
-        'ticker': 'PIVX',
-        'message_magic': 'DarkNet Signed Message:\n',
-        'blocks_target': 60 * 1,
-        'decimal_places': 8,
-        'has_cltv': True,
-        'has_csv': False,
-        'has_segwit': False,
-        'use_ticker_as_name': True,
-        'mainnet': {
-            'rpcport': 51473,
-            'pubkey_address': 30,
-            'script_address': 13,
-            'key_prefix': 212,
-            'bip44': 119,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
+        "name": "pivx",
+        "ticker": "PIVX",
+        "display_name": "PIVX",
+        "message_magic": "DarkNet Signed Message:\n",
+        "blocks_target": 60 * 1,
+        "decimal_places": 8,
+        "has_cltv": True,
+        "has_csv": False,
+        "has_segwit": False,
+        "mainnet": {
+            "rpcport": 51473,
+            "pubkey_address": 30,
+            "script_address": 13,
+            "key_prefix": 212,
+            "bip44": 119,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
         },
-        'testnet': {
-            'rpcport': 51475,
-            'pubkey_address': 139,
-            'script_address': 19,
-            'key_prefix': 239,
-            'bip44': 1,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
-            'name': 'testnet4',
+        "testnet": {
+            "rpcport": 51475,
+            "pubkey_address": 139,
+            "script_address": 19,
+            "key_prefix": 239,
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+            "name": "testnet4",
+        },
+        "regtest": {
+            "rpcport": 51477,
+            "pubkey_address": 139,
+            "script_address": 19,
+            "key_prefix": 239,
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
         },
-        'regtest': {
-            'rpcport': 51477,
-            'pubkey_address': 139,
-            'script_address': 19,
-            'key_prefix': 239,
-            'bip44': 1,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
-        }
     },
     Coins.DASH: {
-        'name': 'dash',
-        'ticker': 'DASH',
-        'message_magic': 'DarkCoin Signed Message:\n',
-        'blocks_target': 60 * 2.5,
-        'decimal_places': 8,
-        'has_csv': True,
-        'has_segwit': False,
-        'mainnet': {
-            'rpcport': 9998,
-            'pubkey_address': 76,
-            'script_address': 16,
-            'key_prefix': 204,
-            'hrp': '',
-            'bip44': 5,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
+        "name": "dash",
+        "ticker": "DASH",
+        "message_magic": "DarkCoin Signed Message:\n",
+        "blocks_target": 60 * 2.5,
+        "decimal_places": 8,
+        "has_csv": True,
+        "has_segwit": False,
+        "mainnet": {
+            "rpcport": 9998,
+            "pubkey_address": 76,
+            "script_address": 16,
+            "key_prefix": 204,
+            "hrp": "",
+            "bip44": 5,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
         },
-        'testnet': {
-            'rpcport': 19998,
-            'pubkey_address': 140,
-            'script_address': 19,
-            'key_prefix': 239,
-            'hrp': '',
-            'bip44': 1,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
+        "testnet": {
+            "rpcport": 19998,
+            "pubkey_address": 140,
+            "script_address": 19,
+            "key_prefix": 239,
+            "hrp": "",
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+        },
+        "regtest": {
+            "rpcport": 18332,
+            "pubkey_address": 140,
+            "script_address": 19,
+            "key_prefix": 239,
+            "hrp": "",
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
         },
-        'regtest': {
-            'rpcport': 18332,
-            'pubkey_address': 140,
-            'script_address': 19,
-            'key_prefix': 239,
-            'hrp': '',
-            'bip44': 1,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
-        }
     },
     Coins.FIRO: {
-        'name': 'firo',
-        'ticker': 'FIRO',
-        'message_magic': 'Zcoin Signed Message:\n',
-        'blocks_target': 60 * 10,
-        'decimal_places': 8,
-        'has_cltv': False,
-        'has_csv': False,
-        'has_segwit': False,
-        'mainnet': {
-            'rpcport': 8888,
-            'pubkey_address': 82,
-            'script_address': 7,
-            'key_prefix': 210,
-            'hrp': '',
-            'bip44': 136,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
+        "name": "firo",
+        "ticker": "FIRO",
+        "message_magic": "Zcoin Signed Message:\n",
+        "blocks_target": 60 * 10,
+        "decimal_places": 8,
+        "has_cltv": False,
+        "has_csv": False,
+        "has_segwit": False,
+        "has_multiwallet": False,
+        "mainnet": {
+            "rpcport": 8888,
+            "pubkey_address": 82,
+            "script_address": 7,
+            "key_prefix": 210,
+            "hrp": "",
+            "bip44": 136,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
         },
-        'testnet': {
-            'rpcport': 18888,
-            'pubkey_address': 65,
-            'script_address': 178,
-            'key_prefix': 185,
-            'hrp': '',
-            'bip44': 1,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
+        "testnet": {
+            "rpcport": 18888,
+            "pubkey_address": 65,
+            "script_address": 178,
+            "key_prefix": 185,
+            "hrp": "",
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+        },
+        "regtest": {
+            "rpcport": 28888,
+            "pubkey_address": 65,
+            "script_address": 178,
+            "key_prefix": 239,
+            "hrp": "",
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
         },
-        'regtest': {
-            'rpcport': 28888,
-            'pubkey_address': 65,
-            'script_address': 178,
-            'key_prefix': 239,
-            'hrp': '',
-            'bip44': 1,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
-        }
     },
     Coins.NAV: {
-        'name': 'navcoin',
-        'ticker': 'NAV',
-        'message_magic': 'Navcoin Signed Message:\n',
-        'blocks_target': 30,
-        'decimal_places': 8,
-        'has_csv': True,
-        'has_segwit': True,
-        'mainnet': {
-            'rpcport': 44444,
-            'pubkey_address': 53,
-            'script_address': 85,
-            'key_prefix': 150,
-            'hrp': '',
-            'bip44': 130,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
+        "name": "navcoin",
+        "ticker": "NAV",
+        "message_magic": "Navcoin Signed Message:\n",
+        "blocks_target": 30,
+        "decimal_places": 8,
+        "has_csv": True,
+        "has_segwit": True,
+        "has_multiwallet": False,
+        "mainnet": {
+            "rpcport": 44444,
+            "pubkey_address": 53,
+            "script_address": 85,
+            "key_prefix": 150,
+            "hrp": "",
+            "bip44": 130,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
         },
-        'testnet': {
-            'rpcport': 44445,
-            'pubkey_address': 111,
-            'script_address': 196,
-            'key_prefix': 239,
-            'hrp': '',
-            'bip44': 1,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
+        "testnet": {
+            "rpcport": 44445,
+            "pubkey_address": 111,
+            "script_address": 196,
+            "key_prefix": 239,
+            "hrp": "",
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
         },
-        'regtest': {
-            'rpcport': 44446,
-            'pubkey_address': 111,
-            'script_address': 196,
-            'key_prefix': 239,
-            'hrp': '',
-            'bip44': 1,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
-        }
-    }
+        "regtest": {
+            "rpcport": 44446,
+            "pubkey_address": 111,
+            "script_address": 196,
+            "key_prefix": 239,
+            "hrp": "",
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+        },
+    },
+    Coins.BCH: {
+        "name": "bitcoincash",
+        "ticker": "BCH",
+        "display_name": "Bitcoin Cash",
+        "message_magic": "Bitcoin Signed Message:\n",
+        "blocks_target": 60 * 2,
+        "decimal_places": 8,
+        "has_cltv": True,
+        "has_csv": True,
+        "has_segwit": False,
+        "cli_binname": "bitcoin-cli",
+        "core_binname": "bitcoind",
+        "mainnet": {
+            "rpcport": 8332,
+            "pubkey_address": 0,
+            "script_address": 5,
+            "key_prefix": 128,
+            "hrp": "bitcoincash",
+            "bip44": 0,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+        },
+        "testnet": {
+            "rpcport": 18332,
+            "pubkey_address": 111,
+            "script_address": 196,
+            "key_prefix": 239,
+            "hrp": "bchtest",
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+            "name": "testnet3",
+        },
+        "regtest": {
+            "rpcport": 18443,
+            "pubkey_address": 111,
+            "script_address": 196,
+            "key_prefix": 239,
+            "hrp": "bchreg",
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+        },
+    },
 }
+
+name_map = {}
 ticker_map = {}
 
 
 for c, params in chainparams.items():
-    ticker_map[params['ticker'].lower()] = c
+    name_map[params["name"].lower()] = c
+    ticker_map[params["ticker"].lower()] = c
 
 
-def getCoinIdFromTicker(ticker):
+def getCoinIdFromTicker(ticker: str) -> str:
     try:
         return ticker_map[ticker.lower()]
     except Exception:
-        raise ValueError('Unknown coin')
+        raise ValueError(f"Unknown coin {ticker}")
+
+
+def getCoinIdFromName(name: str) -> str:
+    try:
+        return name_map[name.lower()]
+    except Exception:
+        raise ValueError(f"Unknown coin {name}")

basicswap/config.py

@@ -1,38 +1,56 @@
 # -*- coding: utf-8 -*-
 
-# Copyright (c) 2019-2023 tecnovert
+# Copyright (c) 2019-2024 The Basicswap developers
 # Distributed under the MIT software license, see the accompanying
 # file LICENSE or http://www.opensource.org/licenses/mit-license.php.
 
 import os
 
-CONFIG_FILENAME = 'basicswap.json'
-BASICSWAP_DATADIR = os.getenv('BASICSWAP_DATADIR', os.path.join('~', '.basicswap'))
+CONFIG_FILENAME = "basicswap.json"
+BASICSWAP_DATADIR = os.getenv("BASICSWAP_DATADIR", os.path.join("~", ".basicswap"))
 DEFAULT_ALLOW_CORS = False
-TEST_DATADIRS = os.path.expanduser(os.getenv('DATADIRS', '/tmp/basicswap'))
-DEFAULT_TEST_BINDIR = os.path.expanduser(os.getenv('DEFAULT_TEST_BINDIR', os.path.join('~', '.basicswap', 'bin')))
+TEST_DATADIRS = os.path.expanduser(os.getenv("DATADIRS", "/tmp/basicswap"))
+DEFAULT_TEST_BINDIR = os.path.expanduser(
+    os.getenv("DEFAULT_TEST_BINDIR", os.path.join("~", ".basicswap", "bin"))
+)
 
-bin_suffix = ('.exe' if os.name == 'nt' else '')
-PARTICL_BINDIR = os.path.expanduser(os.getenv('PARTICL_BINDIR', os.path.join(DEFAULT_TEST_BINDIR, 'particl')))
-PARTICLD = os.getenv('PARTICLD', 'particld' + bin_suffix)
-PARTICL_CLI = os.getenv('PARTICL_CLI', 'particl-cli' + bin_suffix)
-PARTICL_TX = os.getenv('PARTICL_TX', 'particl-tx' + bin_suffix)
+bin_suffix = ".exe" if os.name == "nt" else ""
+PARTICL_BINDIR = os.path.expanduser(
+    os.getenv("PARTICL_BINDIR", os.path.join(DEFAULT_TEST_BINDIR, "particl"))
+)
+PARTICLD = os.getenv("PARTICLD", "particld" + bin_suffix)
+PARTICL_CLI = os.getenv("PARTICL_CLI", "particl-cli" + bin_suffix)
+PARTICL_TX = os.getenv("PARTICL_TX", "particl-tx" + bin_suffix)
 
-BITCOIN_BINDIR = os.path.expanduser(os.getenv('BITCOIN_BINDIR', os.path.join(DEFAULT_TEST_BINDIR, 'bitcoin')))
-BITCOIND = os.getenv('BITCOIND', 'bitcoind' + bin_suffix)
-BITCOIN_CLI = os.getenv('BITCOIN_CLI', 'bitcoin-cli' + bin_suffix)
-BITCOIN_TX = os.getenv('BITCOIN_TX', 'bitcoin-tx' + bin_suffix)
+BITCOIN_BINDIR = os.path.expanduser(
+    os.getenv("BITCOIN_BINDIR", os.path.join(DEFAULT_TEST_BINDIR, "bitcoin"))
+)
+BITCOIND = os.getenv("BITCOIND", "bitcoind" + bin_suffix)
+BITCOIN_CLI = os.getenv("BITCOIN_CLI", "bitcoin-cli" + bin_suffix)
+BITCOIN_TX = os.getenv("BITCOIN_TX", "bitcoin-tx" + bin_suffix)
 
-LITECOIN_BINDIR = os.path.expanduser(os.getenv('LITECOIN_BINDIR', os.path.join(DEFAULT_TEST_BINDIR, 'litecoin')))
-LITECOIND = os.getenv('LITECOIND', 'litecoind' + bin_suffix)
-LITECOIN_CLI = os.getenv('LITECOIN_CLI', 'litecoin-cli' + bin_suffix)
-LITECOIN_TX = os.getenv('LITECOIN_TX', 'litecoin-tx' + bin_suffix)
+LITECOIN_BINDIR = os.path.expanduser(
+    os.getenv("LITECOIN_BINDIR", os.path.join(DEFAULT_TEST_BINDIR, "litecoin"))
+)
+LITECOIND = os.getenv("LITECOIND", "litecoind" + bin_suffix)
+LITECOIN_CLI = os.getenv("LITECOIN_CLI", "litecoin-cli" + bin_suffix)
+LITECOIN_TX = os.getenv("LITECOIN_TX", "litecoin-tx" + bin_suffix)
 
-NAMECOIN_BINDIR = os.path.expanduser(os.getenv('NAMECOIN_BINDIR', os.path.join(DEFAULT_TEST_BINDIR, 'namecoin')))
-NAMECOIND = os.getenv('NAMECOIND', 'namecoind' + bin_suffix)
-NAMECOIN_CLI = os.getenv('NAMECOIN_CLI', 'namecoin-cli' + bin_suffix)
-NAMECOIN_TX = os.getenv('NAMECOIN_TX', 'namecoin-tx' + bin_suffix)
+DOGECOIND = os.getenv("DOGECOIND", "dogecoind" + bin_suffix)
+DOGECOIN_CLI = os.getenv("DOGECOIN_CLI", "dogecoin-cli" + bin_suffix)
+DOGECOIN_TX = os.getenv("DOGECOIN_TX", "dogecoin-tx" + bin_suffix)
 
-XMR_BINDIR = os.path.expanduser(os.getenv('XMR_BINDIR', os.path.join(DEFAULT_TEST_BINDIR, 'monero')))
-XMRD = os.getenv('XMRD', 'monerod' + bin_suffix)
-XMR_WALLET_RPC = os.getenv('XMR_WALLET_RPC', 'monero-wallet-rpc' + bin_suffix)
+NAMECOIN_BINDIR = os.path.expanduser(
+    os.getenv("NAMECOIN_BINDIR", os.path.join(DEFAULT_TEST_BINDIR, "namecoin"))
+)
+NAMECOIND = os.getenv("NAMECOIND", "namecoind" + bin_suffix)
+NAMECOIN_CLI = os.getenv("NAMECOIN_CLI", "namecoin-cli" + bin_suffix)
+NAMECOIN_TX = os.getenv("NAMECOIN_TX", "namecoin-tx" + bin_suffix)
+
+XMR_BINDIR = os.path.expanduser(
+    os.getenv("XMR_BINDIR", os.path.join(DEFAULT_TEST_BINDIR, "monero"))
+)
+XMRD = os.getenv("XMRD", "monerod" + bin_suffix)
+XMR_WALLET_RPC = os.getenv("XMR_WALLET_RPC", "monero-wallet-rpc" + bin_suffix)
+
+# NOTE: Adding coin definitions here is deprecated.  Please add in coin test file.

basicswap/contrib/test_framework/descriptors.py

@@ -0,0 +1,64 @@
+#!/usr/bin/env python3
+# Copyright (c) 2019 Pieter Wuille
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+"""Utility functions related to output descriptors"""
+
+import re
+
+INPUT_CHARSET = "0123456789()[],'/*abcdefgh@:$%{}IJKLMNOPQRSTUVWXYZ&+-.;<=>?!^_|~ijklmnopqrstuvwxyzABCDEFGH`#\"\\ "
+CHECKSUM_CHARSET = "qpzry9x8gf2tvdw0s3jn54khce6mua7l"
+GENERATOR = [0xf5dee51989, 0xa9fdca3312, 0x1bab10e32d, 0x3706b1677a, 0x644d626ffd]
+
+def descsum_polymod(symbols):
+    """Internal function that computes the descriptor checksum."""
+    chk = 1
+    for value in symbols:
+        top = chk >> 35
+        chk = (chk & 0x7ffffffff) << 5 ^ value
+        for i in range(5):
+            chk ^= GENERATOR[i] if ((top >> i) & 1) else 0
+    return chk
+
+def descsum_expand(s):
+    """Internal function that does the character to symbol expansion"""
+    groups = []
+    symbols = []
+    for c in s:
+        if not c in INPUT_CHARSET:
+            return None
+        v = INPUT_CHARSET.find(c)
+        symbols.append(v & 31)
+        groups.append(v >> 5)
+        if len(groups) == 3:
+            symbols.append(groups[0] * 9 + groups[1] * 3 + groups[2])
+            groups = []
+    if len(groups) == 1:
+        symbols.append(groups[0])
+    elif len(groups) == 2:
+        symbols.append(groups[0] * 3 + groups[1])
+    return symbols
+
+def descsum_create(s):
+    """Add a checksum to a descriptor without"""
+    symbols = descsum_expand(s) + [0, 0, 0, 0, 0, 0, 0, 0]
+    checksum = descsum_polymod(symbols) ^ 1
+    return s + '#' + ''.join(CHECKSUM_CHARSET[(checksum >> (5 * (7 - i))) & 31] for i in range(8))
+
+def descsum_check(s, require=True):
+    """Verify that the checksum is correct in a descriptor"""
+    if not '#' in s:
+        return not require
+    if s[-9] != '#':
+        return False
+    if not all(x in CHECKSUM_CHARSET for x in s[-8:]):
+        return False
+    symbols = descsum_expand(s[:-9]) + [CHECKSUM_CHARSET.find(x) for x in s[-8:]]
+    return descsum_polymod(symbols) == 1
+
+def drop_origins(s):
+    '''Drop the key origins from a descriptor'''
+    desc = re.sub(r'\[.+?\]', '', s)
+    if '#' in s:
+        desc = desc[:desc.index('#')]
+    return descsum_create(desc)

basicswap/db_upgrades.py

@@ -1,326 +1,427 @@
 # -*- coding: utf-8 -*-
 
 # Copyright (c) 2022-2024 tecnovert
+# Copyright (c) 2024 The Basicswap developers
 # Distributed under the MIT software license, see the accompanying
 # file LICENSE or http://www.opensource.org/licenses/mit-license.php.
 
 import json
 import time
 
-from sqlalchemy.orm import scoped_session
 from .db import (
+    AutomationStrategy,
     BidState,
     Concepts,
-    AutomationStrategy,
+    CURRENT_DB_DATA_VERSION,
     CURRENT_DB_VERSION,
-    CURRENT_DB_DATA_VERSION)
+)
 
 from .basicswap_util import (
     BidStates,
-    strBidState,
+    canAcceptBidState,
     isActiveBidState,
     isErrorBidState,
     isFailingBidState,
     isFinalBidState,
+    strBidState,
 )
 
 
+def addBidState(self, state, now, cursor):
+    self.add(
+        BidState(
+            active_ind=1,
+            state_id=int(state),
+            in_progress=isActiveBidState(state),
+            in_error=isErrorBidState(state),
+            swap_failed=isFailingBidState(state),
+            swap_ended=isFinalBidState(state),
+            can_accept=canAcceptBidState(state),
+            label=strBidState(state),
+            created_at=now,
+        ),
+        cursor,
+    )
+
+
 def upgradeDatabaseData(self, data_version):
     if data_version >= CURRENT_DB_DATA_VERSION:
         return
 
-    self.log.info('Upgrading database records from version %d to %d.', data_version, CURRENT_DB_DATA_VERSION)
-    with self.mxDB:
-        try:
-            session = scoped_session(self.session_factory)
+    self.log.info(
+        "Upgrading database records from version %d to %d.",
+        data_version,
+        CURRENT_DB_DATA_VERSION,
+    )
+    cursor = self.openDB()
+    try:
+        now = int(time.time())
 
-            now = int(time.time())
-
-            if data_version < 1:
-                session.add(AutomationStrategy(
+        if data_version < 1:
+            self.add(
+                AutomationStrategy(
                     active_ind=1,
-                    label='Accept All',
+                    label="Accept All",
                     type_ind=Concepts.OFFER,
-                    data=json.dumps({'exact_rate_only': True,
-                                     'max_concurrent_bids': 5}).encode('utf-8'),
+                    data=json.dumps(
+                        {"exact_rate_only": True, "max_concurrent_bids": 5}
+                    ).encode("utf-8"),
                     only_known_identities=False,
-                    created_at=now))
-                session.add(AutomationStrategy(
+                    created_at=now,
+                ),
+                cursor,
+            )
+            self.add(
+                AutomationStrategy(
                     active_ind=1,
-                    label='Accept Known',
+                    label="Accept Known",
                     type_ind=Concepts.OFFER,
-                    data=json.dumps({'exact_rate_only': True,
-                                     'max_concurrent_bids': 5}).encode('utf-8'),
+                    data=json.dumps(
+                        {"exact_rate_only": True, "max_concurrent_bids": 5}
+                    ).encode("utf-8"),
                     only_known_identities=True,
-                    note='Accept bids from identities with previously successful swaps only',
-                    created_at=now))
+                    note="Accept bids from identities with previously successful swaps only",
+                    created_at=now,
+                ),
+                cursor,
+            )
 
-                for state in BidStates:
-                    session.add(BidState(
-                        active_ind=1,
-                        state_id=int(state),
-                        in_progress=isActiveBidState(state),
-                        in_error=isErrorBidState(state),
-                        swap_failed=isFailingBidState(state),
-                        swap_ended=isFinalBidState(state),
-                        label=strBidState(state),
-                        created_at=now))
+            for state in BidStates:
+                addBidState(self, state, now, cursor)
 
-            if data_version > 0 and data_version < 2:
-                for state in (BidStates.XMR_SWAP_MSG_SCRIPT_LOCK_TX_SIGS, BidStates.XMR_SWAP_MSG_SCRIPT_LOCK_SPEND_TX):
-                    session.add(BidState(
+        if data_version > 0 and data_version < 2:
+            for state in (
+                BidStates.XMR_SWAP_MSG_SCRIPT_LOCK_TX_SIGS,
+                BidStates.XMR_SWAP_MSG_SCRIPT_LOCK_SPEND_TX,
+            ):
+                self.add(
+                    BidState(
                         active_ind=1,
                         state_id=int(state),
                         in_progress=isActiveBidState(state),
                         label=strBidState(state),
-                        created_at=now))
-            if data_version > 0 and data_version < 3:
-                for state in BidStates:
-                    in_error = isErrorBidState(state)
-                    swap_failed = isFailingBidState(state)
-                    swap_ended = isFinalBidState(state)
-                    session.execute('UPDATE bidstates SET in_error = :in_error, swap_failed = :swap_failed, swap_ended = :swap_ended WHERE state_id = :state_id', {'in_error': in_error, 'swap_failed': swap_failed, 'swap_ended': swap_ended, 'state_id': int(state)})
-            if data_version > 0 and data_version < 4:
-                for state in (BidStates.BID_REQUEST_SENT, BidStates.BID_REQUEST_ACCEPTED):
-                    session.add(BidState(
-                        active_ind=1,
-                        state_id=int(state),
-                        in_progress=isActiveBidState(state),
-                        in_error=isErrorBidState(state),
-                        swap_failed=isFailingBidState(state),
-                        swap_ended=isFinalBidState(state),
-                        label=strBidState(state),
-                        created_at=now))
+                        created_at=now,
+                    ),
+                    cursor,
+                )
+        if data_version > 0 and data_version < 3:
+            for state in BidStates:
+                in_error = isErrorBidState(state)
+                swap_failed = isFailingBidState(state)
+                swap_ended = isFinalBidState(state)
+                cursor.execute(
+                    "UPDATE bidstates SET in_error = :in_error, swap_failed = :swap_failed, swap_ended = :swap_ended WHERE state_id = :state_id",
+                    {
+                        "in_error": in_error,
+                        "swap_failed": swap_failed,
+                        "swap_ended": swap_ended,
+                        "state_id": int(state),
+                    },
+                )
+        if data_version > 0 and data_version < 4:
+            for state in (
+                BidStates.BID_REQUEST_SENT,
+                BidStates.BID_REQUEST_ACCEPTED,
+            ):
+                addBidState(self, state, now, cursor)
 
-            self.db_data_version = CURRENT_DB_DATA_VERSION
-            self.setIntKV('db_data_version', self.db_data_version, session)
-            session.commit()
-            self.log.info('Upgraded database records to version {}'.format(self.db_data_version))
-        finally:
-            session.close()
-            session.remove()
+        if data_version > 0 and data_version < 5:
+            for state in (
+                BidStates.BID_EXPIRED,
+                BidStates.BID_AACCEPT_DELAY,
+                BidStates.BID_AACCEPT_FAIL,
+            ):
+                addBidState(self, state, now, cursor)
+
+        self.db_data_version = CURRENT_DB_DATA_VERSION
+        self.setIntKV("db_data_version", self.db_data_version, cursor)
+        self.commitDB()
+        self.log.info(
+            "Upgraded database records to version {}".format(self.db_data_version)
+        )
+    finally:
+        self.closeDB(cursor, commit=False)
 
 
 def upgradeDatabase(self, db_version):
     if db_version >= CURRENT_DB_VERSION:
         return
 
-    self.log.info('Upgrading database from version %d to %d.', db_version, CURRENT_DB_VERSION)
+    self.log.info(
+        f"Upgrading database from version {db_version} to {CURRENT_DB_VERSION}."
+    )
 
     while True:
-        session = scoped_session(self.session_factory)
+        try:
+            cursor = self.openDB()
 
-        current_version = db_version
-        if current_version == 6:
-            session.execute('ALTER TABLE bids ADD COLUMN security_token BLOB')
-            session.execute('ALTER TABLE offers ADD COLUMN security_token BLOB')
-            db_version += 1
-        elif current_version == 7:
-            session.execute('ALTER TABLE transactions ADD COLUMN block_hash BLOB')
-            session.execute('ALTER TABLE transactions ADD COLUMN block_height INTEGER')
-            session.execute('ALTER TABLE transactions ADD COLUMN block_time INTEGER')
-            db_version += 1
-        elif current_version == 8:
-            session.execute('''
-                CREATE TABLE wallets (
-                    record_id INTEGER NOT NULL,
-                    coin_id INTEGER,
-                    wallet_name VARCHAR,
-                    wallet_data VARCHAR,
-                    balance_type INTEGER,
-                    created_at BIGINT,
-                    PRIMARY KEY (record_id))''')
-            db_version += 1
-        elif current_version == 9:
-            session.execute('ALTER TABLE wallets ADD COLUMN wallet_data VARCHAR')
-            db_version += 1
-        elif current_version == 10:
-            session.execute('ALTER TABLE smsgaddresses ADD COLUMN active_ind INTEGER')
-            session.execute('ALTER TABLE smsgaddresses ADD COLUMN created_at INTEGER')
-            session.execute('ALTER TABLE smsgaddresses ADD COLUMN note VARCHAR')
-            session.execute('ALTER TABLE smsgaddresses ADD COLUMN pubkey VARCHAR')
-            session.execute('UPDATE smsgaddresses SET active_ind = 1, created_at = 1')
+            current_version = db_version
+            if current_version == 6:
+                cursor.execute("ALTER TABLE bids ADD COLUMN security_token BLOB")
+                cursor.execute("ALTER TABLE offers ADD COLUMN security_token BLOB")
+                db_version += 1
+            elif current_version == 7:
+                cursor.execute("ALTER TABLE transactions ADD COLUMN block_hash BLOB")
+                cursor.execute(
+                    "ALTER TABLE transactions ADD COLUMN block_height INTEGER"
+                )
+                cursor.execute("ALTER TABLE transactions ADD COLUMN block_time INTEGER")
+                db_version += 1
+            elif current_version == 8:
+                cursor.execute(
+                    """
+                    CREATE TABLE wallets (
+                        record_id INTEGER NOT NULL,
+                        coin_id INTEGER,
+                        wallet_name VARCHAR,
+                        wallet_data VARCHAR,
+                        balance_type INTEGER,
+                        created_at BIGINT,
+                        PRIMARY KEY (record_id))"""
+                )
+                db_version += 1
+            elif current_version == 9:
+                cursor.execute("ALTER TABLE wallets ADD COLUMN wallet_data VARCHAR")
+                db_version += 1
+            elif current_version == 10:
+                cursor.execute(
+                    "ALTER TABLE smsgaddresses ADD COLUMN active_ind INTEGER"
+                )
+                cursor.execute(
+                    "ALTER TABLE smsgaddresses ADD COLUMN created_at INTEGER"
+                )
+                cursor.execute("ALTER TABLE smsgaddresses ADD COLUMN note VARCHAR")
+                cursor.execute("ALTER TABLE smsgaddresses ADD COLUMN pubkey VARCHAR")
+                cursor.execute(
+                    "UPDATE smsgaddresses SET active_ind = 1, created_at = 1"
+                )
 
-            session.execute('ALTER TABLE offers ADD COLUMN addr_to VARCHAR')
-            session.execute(f'UPDATE offers SET addr_to = "{self.network_addr}"')
-            db_version += 1
-        elif current_version == 11:
-            session.execute('ALTER TABLE bids ADD COLUMN chain_a_height_start INTEGER')
-            session.execute('ALTER TABLE bids ADD COLUMN chain_b_height_start INTEGER')
-            session.execute('ALTER TABLE bids ADD COLUMN protocol_version INTEGER')
-            session.execute('ALTER TABLE offers ADD COLUMN protocol_version INTEGER')
-            session.execute('ALTER TABLE transactions ADD COLUMN tx_data BLOB')
-            db_version += 1
-        elif current_version == 12:
-            session.execute('''
-                CREATE TABLE knownidentities (
-                    record_id INTEGER NOT NULL,
-                    address VARCHAR,
-                    label VARCHAR,
-                    publickey BLOB,
-                    num_sent_bids_successful INTEGER,
-                    num_recv_bids_successful INTEGER,
-                    num_sent_bids_rejected INTEGER,
-                    num_recv_bids_rejected INTEGER,
-                    num_sent_bids_failed INTEGER,
-                    num_recv_bids_failed INTEGER,
-                    note VARCHAR,
-                    updated_at BIGINT,
-                    created_at BIGINT,
-                    PRIMARY KEY (record_id))''')
-            session.execute('ALTER TABLE bids ADD COLUMN reject_code INTEGER')
-            session.execute('ALTER TABLE bids ADD COLUMN rate INTEGER')
-            session.execute('ALTER TABLE offers ADD COLUMN amount_negotiable INTEGER')
-            session.execute('ALTER TABLE offers ADD COLUMN rate_negotiable INTEGER')
-            db_version += 1
-        elif current_version == 13:
-            db_version += 1
-            session.execute('''
-                CREATE TABLE automationstrategies (
-                    record_id INTEGER NOT NULL,
-                    active_ind INTEGER,
-                    label VARCHAR,
-                    type_ind INTEGER,
-                    only_known_identities INTEGER,
-                    num_concurrent INTEGER,
-                    data BLOB,
+                cursor.execute("ALTER TABLE offers ADD COLUMN addr_to VARCHAR")
+                cursor.execute(f'UPDATE offers SET addr_to = "{self.network_addr}"')
+                db_version += 1
+            elif current_version == 11:
+                cursor.execute(
+                    "ALTER TABLE bids ADD COLUMN chain_a_height_start INTEGER"
+                )
+                cursor.execute(
+                    "ALTER TABLE bids ADD COLUMN chain_b_height_start INTEGER"
+                )
+                cursor.execute("ALTER TABLE bids ADD COLUMN protocol_version INTEGER")
+                cursor.execute("ALTER TABLE offers ADD COLUMN protocol_version INTEGER")
+                cursor.execute("ALTER TABLE transactions ADD COLUMN tx_data BLOB")
+                db_version += 1
+            elif current_version == 12:
+                cursor.execute(
+                    """
+                    CREATE TABLE knownidentities (
+                        record_id INTEGER NOT NULL,
+                        address VARCHAR,
+                        label VARCHAR,
+                        publickey BLOB,
+                        num_sent_bids_successful INTEGER,
+                        num_recv_bids_successful INTEGER,
+                        num_sent_bids_rejected INTEGER,
+                        num_recv_bids_rejected INTEGER,
+                        num_sent_bids_failed INTEGER,
+                        num_recv_bids_failed INTEGER,
+                        note VARCHAR,
+                        updated_at BIGINT,
+                        created_at BIGINT,
+                        PRIMARY KEY (record_id))"""
+                )
+                cursor.execute("ALTER TABLE bids ADD COLUMN reject_code INTEGER")
+                cursor.execute("ALTER TABLE bids ADD COLUMN rate INTEGER")
+                cursor.execute(
+                    "ALTER TABLE offers ADD COLUMN amount_negotiable INTEGER"
+                )
+                cursor.execute("ALTER TABLE offers ADD COLUMN rate_negotiable INTEGER")
+                db_version += 1
+            elif current_version == 13:
+                db_version += 1
+                cursor.execute(
+                    """
+                    CREATE TABLE automationstrategies (
+                        record_id INTEGER NOT NULL,
+                        active_ind INTEGER,
+                        label VARCHAR,
+                        type_ind INTEGER,
+                        only_known_identities INTEGER,
+                        num_concurrent INTEGER,
+                        data BLOB,
 
-                    note VARCHAR,
-                    created_at BIGINT,
-                    PRIMARY KEY (record_id))''')
+                        note VARCHAR,
+                        created_at BIGINT,
+                        PRIMARY KEY (record_id))"""
+                )
 
-            session.execute('''
-                CREATE TABLE automationlinks (
-                    record_id INTEGER NOT NULL,
-                    active_ind INTEGER,
+                cursor.execute(
+                    """
+                    CREATE TABLE automationlinks (
+                        record_id INTEGER NOT NULL,
+                        active_ind INTEGER,
 
-                    linked_type INTEGER,
-                    linked_id BLOB,
-                    strategy_id INTEGER,
+                        linked_type INTEGER,
+                        linked_id BLOB,
+                        strategy_id INTEGER,
 
-                    data BLOB,
-                    repeat_limit INTEGER,
-                    repeat_count INTEGER,
+                        data BLOB,
+                        repeat_limit INTEGER,
+                        repeat_count INTEGER,
 
-                    note VARCHAR,
-                    created_at BIGINT,
-                    PRIMARY KEY (record_id))''')
+                        note VARCHAR,
+                        created_at BIGINT,
+                        PRIMARY KEY (record_id))"""
+                )
 
-            session.execute('''
-                CREATE TABLE history (
-                    record_id INTEGER NOT NULL,
-                    concept_type INTEGER,
-                    concept_id INTEGER,
-                    changed_data BLOB,
+                cursor.execute(
+                    """
+                    CREATE TABLE history (
+                        record_id INTEGER NOT NULL,
+                        concept_type INTEGER,
+                        concept_id INTEGER,
+                        changed_data BLOB,
 
-                    note VARCHAR,
-                    created_at BIGINT,
-                    PRIMARY KEY (record_id))''')
+                        note VARCHAR,
+                        created_at BIGINT,
+                        PRIMARY KEY (record_id))"""
+                )
 
-            session.execute('''
-                CREATE TABLE bidstates (
-                    record_id INTEGER NOT NULL,
-                    active_ind INTEGER,
-                    state_id INTEGER,
-                    label VARCHAR,
-                    in_progress INTEGER,
+                cursor.execute(
+                    """
+                    CREATE TABLE bidstates (
+                        record_id INTEGER NOT NULL,
+                        active_ind INTEGER,
+                        state_id INTEGER,
+                        label VARCHAR,
+                        in_progress INTEGER,
 
-                    note VARCHAR,
-                    created_at BIGINT,
-                    PRIMARY KEY (record_id))''')
+                        note VARCHAR,
+                        created_at BIGINT,
+                        PRIMARY KEY (record_id))"""
+                )
 
-            session.execute('ALTER TABLE wallets ADD COLUMN active_ind INTEGER')
-            session.execute('ALTER TABLE knownidentities ADD COLUMN active_ind INTEGER')
-            session.execute('ALTER TABLE eventqueue RENAME TO actions')
-            session.execute('ALTER TABLE actions RENAME COLUMN event_id TO action_id')
-            session.execute('ALTER TABLE actions RENAME COLUMN event_type TO action_type')
-            session.execute('ALTER TABLE actions RENAME COLUMN event_data TO action_data')
-        elif current_version == 14:
-            db_version += 1
-            session.execute('ALTER TABLE xmr_swaps ADD COLUMN coin_a_lock_release_msg_id BLOB')
-            session.execute('ALTER TABLE xmr_swaps RENAME COLUMN coin_a_lock_refund_spend_tx_msg_id TO coin_a_lock_spend_tx_msg_id')
-        elif current_version == 15:
-            db_version += 1
-            session.execute('''
-                CREATE TABLE notifications (
-                    record_id INTEGER NOT NULL,
-                    active_ind INTEGER,
-                    event_type INTEGER,
-                    event_data BLOB,
-                    created_at BIGINT,
-                    PRIMARY KEY (record_id))''')
-        elif current_version == 16:
-            db_version += 1
-            session.execute('''
-                CREATE TABLE prefunded_transactions (
-                    record_id INTEGER NOT NULL,
-                    active_ind INTEGER,
-                    created_at BIGINT,
-                    linked_type INTEGER,
-                    linked_id BLOB,
-                    tx_type INTEGER,
-                    tx_data BLOB,
-                    used_by BLOB,
-                    PRIMARY KEY (record_id))''')
-        elif current_version == 17:
-            db_version += 1
-            session.execute('ALTER TABLE knownidentities ADD COLUMN automation_override INTEGER')
-            session.execute('ALTER TABLE knownidentities ADD COLUMN visibility_override INTEGER')
-            session.execute('ALTER TABLE knownidentities ADD COLUMN data BLOB')
-            session.execute('UPDATE knownidentities SET active_ind = 1')
-        elif current_version == 18:
-            db_version += 1
-            session.execute('ALTER TABLE xmr_split_data ADD COLUMN addr_from STRING')
-            session.execute('ALTER TABLE xmr_split_data ADD COLUMN addr_to STRING')
-        elif current_version == 19:
-            db_version += 1
-            session.execute('ALTER TABLE bidstates ADD COLUMN in_error INTEGER')
-            session.execute('ALTER TABLE bidstates ADD COLUMN swap_failed INTEGER')
-            session.execute('ALTER TABLE bidstates ADD COLUMN swap_ended INTEGER')
-        elif current_version == 20:
-            db_version += 1
-            session.execute('''
-                CREATE TABLE message_links (
-                    record_id INTEGER NOT NULL,
-                    active_ind INTEGER,
-                    created_at BIGINT,
+                cursor.execute("ALTER TABLE wallets ADD COLUMN active_ind INTEGER")
+                cursor.execute(
+                    "ALTER TABLE knownidentities ADD COLUMN active_ind INTEGER"
+                )
+                cursor.execute("ALTER TABLE eventqueue RENAME TO actions")
+                cursor.execute(
+                    "ALTER TABLE actions RENAME COLUMN event_id TO action_id"
+                )
+                cursor.execute(
+                    "ALTER TABLE actions RENAME COLUMN event_type TO action_type"
+                )
+                cursor.execute(
+                    "ALTER TABLE actions RENAME COLUMN event_data TO action_data"
+                )
+            elif current_version == 14:
+                db_version += 1
+                cursor.execute(
+                    "ALTER TABLE xmr_swaps ADD COLUMN coin_a_lock_release_msg_id BLOB"
+                )
+                cursor.execute(
+                    "ALTER TABLE xmr_swaps RENAME COLUMN coin_a_lock_refund_spend_tx_msg_id TO coin_a_lock_spend_tx_msg_id"
+                )
+            elif current_version == 15:
+                db_version += 1
+                cursor.execute(
+                    """
+                    CREATE TABLE notifications (
+                        record_id INTEGER NOT NULL,
+                        active_ind INTEGER,
+                        event_type INTEGER,
+                        event_data BLOB,
+                        created_at BIGINT,
+                        PRIMARY KEY (record_id))"""
+                )
+            elif current_version == 16:
+                db_version += 1
+                cursor.execute(
+                    """
+                    CREATE TABLE prefunded_transactions (
+                        record_id INTEGER NOT NULL,
+                        active_ind INTEGER,
+                        created_at BIGINT,
+                        linked_type INTEGER,
+                        linked_id BLOB,
+                        tx_type INTEGER,
+                        tx_data BLOB,
+                        used_by BLOB,
+                        PRIMARY KEY (record_id))"""
+                )
+            elif current_version == 17:
+                db_version += 1
+                cursor.execute(
+                    "ALTER TABLE knownidentities ADD COLUMN automation_override INTEGER"
+                )
+                cursor.execute(
+                    "ALTER TABLE knownidentities ADD COLUMN visibility_override INTEGER"
+                )
+                cursor.execute("ALTER TABLE knownidentities ADD COLUMN data BLOB")
+                cursor.execute("UPDATE knownidentities SET active_ind = 1")
+            elif current_version == 18:
+                db_version += 1
+                cursor.execute("ALTER TABLE xmr_split_data ADD COLUMN addr_from STRING")
+                cursor.execute("ALTER TABLE xmr_split_data ADD COLUMN addr_to STRING")
+            elif current_version == 19:
+                db_version += 1
+                cursor.execute("ALTER TABLE bidstates ADD COLUMN in_error INTEGER")
+                cursor.execute("ALTER TABLE bidstates ADD COLUMN swap_failed INTEGER")
+                cursor.execute("ALTER TABLE bidstates ADD COLUMN swap_ended INTEGER")
+            elif current_version == 20:
+                db_version += 1
+                cursor.execute(
+                    """
+                    CREATE TABLE message_links (
+                        record_id INTEGER NOT NULL,
+                        active_ind INTEGER,
+                        created_at BIGINT,
 
-                    linked_type INTEGER,
-                    linked_id BLOB,
+                        linked_type INTEGER,
+                        linked_id BLOB,
 
-                    msg_type INTEGER,
-                    msg_sequence INTEGER,
-                    msg_id BLOB,
-                    PRIMARY KEY (record_id))''')
-            session.execute('ALTER TABLE offers ADD COLUMN bid_reversed INTEGER')
-        elif current_version == 21:
-            db_version += 1
-            session.execute('ALTER TABLE offers ADD COLUMN proof_utxos BLOB')
-            session.execute('ALTER TABLE bids ADD COLUMN proof_utxos BLOB')
-        elif current_version == 22:
-            db_version += 1
-            session.execute('ALTER TABLE offers ADD COLUMN amount_to INTEGER')
-        elif current_version == 23:
-            db_version += 1
-            session.execute('''
-                CREATE TABLE checkedblocks (
-                    record_id INTEGER NOT NULL,
-                    created_at BIGINT,
-                    coin_type INTEGER,
-                    block_height INTEGER,
-                    block_hash BLOB,
-                    block_time INTEGER,
-                    PRIMARY KEY (record_id))''')
-            session.execute('ALTER TABLE bids ADD COLUMN pkhash_buyer_to BLOB')
-        if current_version != db_version:
-            self.db_version = db_version
-            self.setIntKV('db_version', db_version, session)
-            session.commit()
-            session.close()
-            session.remove()
-            self.log.info('Upgraded database to version {}'.format(self.db_version))
-            continue
+                        msg_type INTEGER,
+                        msg_sequence INTEGER,
+                        msg_id BLOB,
+                        PRIMARY KEY (record_id))"""
+                )
+                cursor.execute("ALTER TABLE offers ADD COLUMN bid_reversed INTEGER")
+            elif current_version == 21:
+                db_version += 1
+                cursor.execute("ALTER TABLE offers ADD COLUMN proof_utxos BLOB")
+                cursor.execute("ALTER TABLE bids ADD COLUMN proof_utxos BLOB")
+            elif current_version == 22:
+                db_version += 1
+                cursor.execute("ALTER TABLE offers ADD COLUMN amount_to INTEGER")
+            elif current_version == 23:
+                db_version += 1
+                cursor.execute(
+                    """
+                    CREATE TABLE checkedblocks (
+                        record_id INTEGER NOT NULL,
+                        created_at BIGINT,
+                        coin_type INTEGER,
+                        block_height INTEGER,
+                        block_hash BLOB,
+                        block_time INTEGER,
+                        PRIMARY KEY (record_id))"""
+                )
+                cursor.execute("ALTER TABLE bids ADD COLUMN pkhash_buyer_to BLOB")
+            elif current_version == 24:
+                db_version += 1
+                cursor.execute("ALTER TABLE bidstates ADD COLUMN can_accept INTEGER")
+            if current_version != db_version:
+                self.db_version = db_version
+                self.setIntKV("db_version", db_version, cursor)
+                self.commitDB()
+                self.log.info("Upgraded database to version {}".format(self.db_version))
+                continue
+        except Exception as e:
+            self.log.error("Upgrade failed {}".format(e))
+            self.rollbackDB()
+        finally:
+            self.closeDB(cursor, commit=False)
         break
 
     if db_version != CURRENT_DB_VERSION:
-        raise ValueError('Unable to upgrade database.')
+        raise ValueError("Unable to upgrade database.")

basicswap/db_util.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-# Copyright (c) 2023 The BSX Developers
+# Copyright (c) 2023-2024 The Basicswap Developers
 # Distributed under the MIT software license, see the accompanying
 # file LICENSE or http://www.opensource.org/licenses/mit-license.php.
 
@@ -12,47 +12,122 @@ from .db import (
 def remove_expired_data(self, time_offset: int = 0):
     now: int = self.getTime()
     try:
-        session = self.openSession()
+        cursor = self.openDB()
 
-        active_bids_insert = self.activeBidsQueryStr(now, '', 'b2')
-        query_str = f'''
+        active_bids_insert: str = self.activeBidsQueryStr("", "b2")
+        query_str = f"""
                     SELECT o.offer_id FROM offers o
                     WHERE o.expire_at <= :expired_at AND 0 = (SELECT COUNT(*) FROM bids b2 WHERE b2.offer_id = o.offer_id AND {active_bids_insert})
-                    '''
+                    """
         num_offers = 0
         num_bids = 0
-        offer_rows = session.execute(query_str, {'expired_at': now - time_offset})
+        offer_rows = cursor.execute(
+            query_str, {"now": now, "expired_at": now - time_offset}
+        )
         for offer_row in offer_rows:
             num_offers += 1
-            bid_rows = session.execute('SELECT bids.bid_id FROM bids WHERE bids.offer_id = :offer_id', {'offer_id': offer_row[0]})
+            bid_rows = cursor.execute(
+                "SELECT bids.bid_id FROM bids WHERE bids.offer_id = :offer_id",
+                {"offer_id": offer_row[0]},
+            )
             for bid_row in bid_rows:
                 num_bids += 1
-                session.execute('DELETE FROM transactions WHERE transactions.bid_id = :bid_id', {'bid_id': bid_row[0]})
-                session.execute('DELETE FROM eventlog WHERE eventlog.linked_type = :type_ind AND eventlog.linked_id = :bid_id', {'type_ind': int(Concepts.BID), 'bid_id': bid_row[0]})
-                session.execute('DELETE FROM automationlinks WHERE automationlinks.linked_type = :type_ind AND automationlinks.linked_id = :bid_id', {'type_ind': int(Concepts.BID), 'bid_id': bid_row[0]})
-                session.execute('DELETE FROM prefunded_transactions WHERE prefunded_transactions.linked_type = :type_ind AND prefunded_transactions.linked_id = :bid_id', {'type_ind': int(Concepts.BID), 'bid_id': bid_row[0]})
-                session.execute('DELETE FROM history WHERE history.concept_type = :type_ind AND history.concept_id = :bid_id', {'type_ind': int(Concepts.BID), 'bid_id': bid_row[0]})
-                session.execute('DELETE FROM xmr_swaps WHERE xmr_swaps.bid_id = :bid_id', {'bid_id': bid_row[0]})
-                session.execute('DELETE FROM actions WHERE actions.linked_id = :bid_id', {'bid_id': bid_row[0]})
-                session.execute('DELETE FROM addresspool WHERE addresspool.bid_id = :bid_id', {'bid_id': bid_row[0]})
-                session.execute('DELETE FROM xmr_split_data WHERE xmr_split_data.bid_id = :bid_id', {'bid_id': bid_row[0]})
-                session.execute('DELETE FROM bids WHERE bids.bid_id = :bid_id', {'bid_id': bid_row[0]})
-                session.execute('DELETE FROM message_links WHERE linked_type = :type_ind AND linked_id = :linked_id', {'type_ind': int(Concepts.BID), 'linked_id': bid_row[0]})
+                cursor.execute(
+                    "DELETE FROM transactions WHERE transactions.bid_id = :bid_id",
+                    {"bid_id": bid_row[0]},
+                )
+                cursor.execute(
+                    "DELETE FROM eventlog WHERE eventlog.linked_type = :type_ind AND eventlog.linked_id = :bid_id",
+                    {"type_ind": int(Concepts.BID), "bid_id": bid_row[0]},
+                )
+                cursor.execute(
+                    "DELETE FROM automationlinks WHERE automationlinks.linked_type = :type_ind AND automationlinks.linked_id = :bid_id",
+                    {"type_ind": int(Concepts.BID), "bid_id": bid_row[0]},
+                )
+                cursor.execute(
+                    "DELETE FROM prefunded_transactions WHERE prefunded_transactions.linked_type = :type_ind AND prefunded_transactions.linked_id = :bid_id",
+                    {"type_ind": int(Concepts.BID), "bid_id": bid_row[0]},
+                )
+                cursor.execute(
+                    "DELETE FROM history WHERE history.concept_type = :type_ind AND history.concept_id = :bid_id",
+                    {"type_ind": int(Concepts.BID), "bid_id": bid_row[0]},
+                )
+                cursor.execute(
+                    "DELETE FROM xmr_swaps WHERE xmr_swaps.bid_id = :bid_id",
+                    {"bid_id": bid_row[0]},
+                )
+                cursor.execute(
+                    "DELETE FROM actions WHERE actions.linked_id = :bid_id",
+                    {"bid_id": bid_row[0]},
+                )
+                cursor.execute(
+                    "DELETE FROM addresspool WHERE addresspool.bid_id = :bid_id",
+                    {"bid_id": bid_row[0]},
+                )
+                cursor.execute(
+                    "DELETE FROM xmr_split_data WHERE xmr_split_data.bid_id = :bid_id",
+                    {"bid_id": bid_row[0]},
+                )
+                cursor.execute(
+                    "DELETE FROM bids WHERE bids.bid_id = :bid_id",
+                    {"bid_id": bid_row[0]},
+                )
+                cursor.execute(
+                    "DELETE FROM message_links WHERE linked_type = :type_ind AND linked_id = :linked_id",
+                    {"type_ind": int(Concepts.BID), "linked_id": bid_row[0]},
+                )
 
-            session.execute('DELETE FROM eventlog WHERE eventlog.linked_type = :type_ind AND eventlog.linked_id = :offer_id', {'type_ind': int(Concepts.OFFER), 'offer_id': offer_row[0]})
-            session.execute('DELETE FROM automationlinks WHERE automationlinks.linked_type = :type_ind AND automationlinks.linked_id = :offer_id', {'type_ind': int(Concepts.OFFER), 'offer_id': offer_row[0]})
-            session.execute('DELETE FROM prefunded_transactions WHERE prefunded_transactions.linked_type = :type_ind AND prefunded_transactions.linked_id = :offer_id', {'type_ind': int(Concepts.OFFER), 'offer_id': offer_row[0]})
-            session.execute('DELETE FROM history WHERE history.concept_type = :type_ind AND history.concept_id = :offer_id', {'type_ind': int(Concepts.OFFER), 'offer_id': offer_row[0]})
-            session.execute('DELETE FROM xmr_offers WHERE xmr_offers.offer_id = :offer_id', {'offer_id': offer_row[0]})
-            session.execute('DELETE FROM sentoffers WHERE sentoffers.offer_id = :offer_id', {'offer_id': offer_row[0]})
-            session.execute('DELETE FROM actions WHERE actions.linked_id = :offer_id', {'offer_id': offer_row[0]})
-            session.execute('DELETE FROM offers WHERE offers.offer_id = :offer_id', {'offer_id': offer_row[0]})
-            session.execute('DELETE FROM message_links WHERE linked_type = :type_ind AND linked_id = :offer_id', {'type_ind': int(Concepts.OFFER), 'offer_id': offer_row[0]})
+            cursor.execute(
+                "DELETE FROM eventlog WHERE eventlog.linked_type = :type_ind AND eventlog.linked_id = :offer_id",
+                {"type_ind": int(Concepts.OFFER), "offer_id": offer_row[0]},
+            )
+            cursor.execute(
+                "DELETE FROM automationlinks WHERE automationlinks.linked_type = :type_ind AND automationlinks.linked_id = :offer_id",
+                {"type_ind": int(Concepts.OFFER), "offer_id": offer_row[0]},
+            )
+            cursor.execute(
+                "DELETE FROM prefunded_transactions WHERE prefunded_transactions.linked_type = :type_ind AND prefunded_transactions.linked_id = :offer_id",
+                {"type_ind": int(Concepts.OFFER), "offer_id": offer_row[0]},
+            )
+            cursor.execute(
+                "DELETE FROM history WHERE history.concept_type = :type_ind AND history.concept_id = :offer_id",
+                {"type_ind": int(Concepts.OFFER), "offer_id": offer_row[0]},
+            )
+            cursor.execute(
+                "DELETE FROM xmr_offers WHERE xmr_offers.offer_id = :offer_id",
+                {"offer_id": offer_row[0]},
+            )
+            cursor.execute(
+                "DELETE FROM sentoffers WHERE sentoffers.offer_id = :offer_id",
+                {"offer_id": offer_row[0]},
+            )
+            cursor.execute(
+                "DELETE FROM actions WHERE actions.linked_id = :offer_id",
+                {"offer_id": offer_row[0]},
+            )
+            cursor.execute(
+                "DELETE FROM offers WHERE offers.offer_id = :offer_id",
+                {"offer_id": offer_row[0]},
+            )
+            cursor.execute(
+                "DELETE FROM message_links WHERE linked_type = :type_ind AND linked_id = :offer_id",
+                {"type_ind": int(Concepts.OFFER), "offer_id": offer_row[0]},
+            )
 
         if num_offers > 0 or num_bids > 0:
-            self.log.info('Removed data for {} expired offer{} and {} bid{}.'.format(num_offers, 's' if num_offers != 1 else '', num_bids, 's' if num_bids != 1 else ''))
+            self.log.info(
+                "Removed data for {} expired offer{} and {} bid{}.".format(
+                    num_offers,
+                    "s" if num_offers != 1 else "",
+                    num_bids,
+                    "s" if num_bids != 1 else "",
+                )
+            )
 
-        session.execute('DELETE FROM checkedblocks WHERE created_at <= :expired_at', {'expired_at': now - time_offset})
+        cursor.execute(
+            "DELETE FROM checkedblocks WHERE created_at <= :expired_at",
+            {"expired_at": now - time_offset},
+        )
 
     finally:
-        self.closeSession(session)
+        self.closeDB(cursor)

basicswap/ed25519_fast_util.py

@@ -13,8 +13,8 @@ def encodepoint(P):
     zi = edf.inv(P[2])
     x = (P[0] * zi) % edf.q
     y = (P[1] * zi) % edf.q
-    y += ((x & 1) << 255)
-    return y.to_bytes(32, byteorder='little')
+    y += (x & 1) << 255
+    return y.to_bytes(32, byteorder="little")
 
 
 def hashToEd25519(bytes_in):
@@ -22,8 +22,8 @@ def hashToEd25519(bytes_in):
     for i in range(1000):
         h255 = bytearray(hashed)
         x_sign = 0 if h255[31] & 0x80 == 0 else 1
-        h255[31] &= 0x7f  # Clear top bit
-        y = int.from_bytes(h255, byteorder='little')
+        h255[31] &= 0x7F  # Clear top bit
+        y = int.from_bytes(h255, byteorder="little")
         x = edf.xrecover(y, x_sign)
         if x == 0 and y == 1:  # Skip infinity point
             continue
@@ -33,4 +33,4 @@ def hashToEd25519(bytes_in):
         if edf.isoncurve(P) and edf.is_identity(edf.scalarmult(P, edf.l)):
             return P
         hashed = hashlib.sha256(hashed).digest()
-    raise ValueError('hashToEd25519 failed')
+    raise ValueError("hashToEd25519 failed")

basicswap/explorers.py

@@ -7,7 +7,7 @@
 import json
 
 
-class Explorer():
+class Explorer:
     def __init__(self, swapclient, coin_type, base_url):
         self.swapclient = swapclient
         self.coin_type = coin_type
@@ -15,82 +15,94 @@ class Explorer():
         self.log = self.swapclient.log
 
     def readURL(self, url):
-        self.log.debug('Explorer url: {}'.format(url))
+        self.log.debug("Explorer url: {}".format(url))
         return self.swapclient.readURL(url)
 
 
 class ExplorerInsight(Explorer):
     def getChainHeight(self):
-        return json.loads(self.readURL(self.base_url + '/sync'))['blockChainHeight']
+        return json.loads(self.readURL(self.base_url + "/sync"))["blockChainHeight"]
 
     def getBlock(self, block_hash):
-        data = json.loads(self.readURL(self.base_url + '/block/{}'.format(block_hash)))
+        data = json.loads(self.readURL(self.base_url + "/block/{}".format(block_hash)))
         return data
 
     def getTransaction(self, txid):
-        data = json.loads(self.readURL(self.base_url + '/tx/{}'.format(txid)))
+        data = json.loads(self.readURL(self.base_url + "/tx/{}".format(txid)))
         return data
 
     def getBalance(self, address):
-        data = json.loads(self.readURL(self.base_url + '/addr/{}/balance'.format(address)))
+        data = json.loads(
+            self.readURL(self.base_url + "/addr/{}/balance".format(address))
+        )
         return data
 
     def lookupUnspentByAddress(self, address):
-        data = json.loads(self.readURL(self.base_url + '/addr/{}/utxo'.format(address)))
+        data = json.loads(self.readURL(self.base_url + "/addr/{}/utxo".format(address)))
         rv = []
         for utxo in data:
-            rv.append({
-                'txid': utxo['txid'],
-                'index': utxo['vout'],
-                'height': utxo['height'],
-                'n_conf': utxo['confirmations'],
-                'value': utxo['satoshis'],
-            })
+            rv.append(
+                {
+                    "txid": utxo["txid"],
+                    "index": utxo["vout"],
+                    "height": utxo["height"],
+                    "n_conf": utxo["confirmations"],
+                    "value": utxo["satoshis"],
+                }
+            )
         return rv
 
 
 class ExplorerBitAps(Explorer):
     def getChainHeight(self):
-        return json.loads(self.readURL(self.base_url + '/block/last'))['data']['block']['height']
+        return json.loads(self.readURL(self.base_url + "/block/last"))["data"]["block"][
+            "height"
+        ]
 
     def getBlock(self, block_hash):
-        data = json.loads(self.readURL(self.base_url + '/block/{}'.format(block_hash)))
+        data = json.loads(self.readURL(self.base_url + "/block/{}".format(block_hash)))
         return data
 
     def getTransaction(self, txid):
-        data = json.loads(self.readURL(self.base_url + '/transaction/{}'.format(txid)))
+        data = json.loads(self.readURL(self.base_url + "/transaction/{}".format(txid)))
         return data
 
     def getBalance(self, address):
-        data = json.loads(self.readURL(self.base_url + '/address/state/' + address))
-        return data['data']['balance']
+        data = json.loads(self.readURL(self.base_url + "/address/state/" + address))
+        return data["data"]["balance"]
 
     def lookupUnspentByAddress(self, address):
         # Can't get unspents return only if exactly one transaction exists
-        data = json.loads(self.readURL(self.base_url + '/address/transactions/' + address))
+        data = json.loads(
+            self.readURL(self.base_url + "/address/transactions/" + address)
+        )
         try:
-            assert data['data']['list'] == 1
+            assert data["data"]["list"] == 1
         except Exception as ex:
-            self.log.debug('Explorer error: {}'.format(str(ex)))
+            self.log.debug("Explorer error: {}".format(str(ex)))
             return None
-        tx = data['data']['list'][0]
-        tx_data = json.loads(self.readURL(self.base_url + '/transaction/{}'.format(tx['txId'])))['data']
+        tx = data["data"]["list"][0]
+        tx_data = json.loads(
+            self.readURL(self.base_url + "/transaction/{}".format(tx["txId"]))
+        )["data"]
 
-        for i, vout in tx_data['vOut'].items():
-            if vout['address'] == address:
-                return [{
-                    'txid': tx_data['txId'],
-                    'index': int(i),
-                    'height': tx_data['blockHeight'],
-                    'n_conf': tx_data['confirmations'],
-                    'value': vout['value'],
-                }]
+        for i, vout in tx_data["vOut"].items():
+            if vout["address"] == address:
+                return [
+                    {
+                        "txid": tx_data["txId"],
+                        "index": int(i),
+                        "height": tx_data["blockHeight"],
+                        "n_conf": tx_data["confirmations"],
+                        "value": vout["value"],
+                    }
+                ]
 
 
 class ExplorerChainz(Explorer):
     def getChainHeight(self):
-        return int(self.readURL(self.base_url + '?q=getblockcount'))
+        return int(self.readURL(self.base_url + "?q=getblockcount"))
 
     def lookupUnspentByAddress(self, address):
         chain_height = self.getChainHeight()
-        self.log.debug('[rm] chain_height %d', chain_height)
+        self.log.debug("[rm] chain_height %d", chain_height)

basicswap/http_server.py

@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 
 # Copyright (c) 2019-2024 tecnovert
+# Copyright (c) 2024 The Basicswap developers
 # Distributed under the MIT software license, see the accompanying
 # file LICENSE or http://www.opensource.org/licenses/mit-license.php.
 
@@ -56,12 +57,12 @@ from .ui.page_identity import page_identity
 from .ui.page_smsgaddresses import page_smsgaddresses
 from .ui.page_debug import page_debug
 
-env = Environment(loader=PackageLoader('basicswap', 'templates'))
-env.filters['formatts'] = format_timestamp
+env = Environment(loader=PackageLoader("basicswap", "templates"))
+env.filters["formatts"] = format_timestamp
 
 
 def extractDomain(url):
-    return url.split('://', 1)[1].split('/', 1)[0]
+    return url.split("://", 1)[1].split("/", 1)[0]
 
 
 def listAvailableExplorers(swap_client):
@@ -69,40 +70,47 @@ def listAvailableExplorers(swap_client):
     for c in Coins:
         if c not in chainparams:
             continue
-        for i, e in enumerate(swap_client.coin_clients[c]['explorers']):
-            explorers.append(('{}_{}'.format(int(c), i), getCoinName(c) + ' - ' + extractDomain(e.base_url)))
+        for i, e in enumerate(swap_client.coin_clients[c]["explorers"]):
+            explorers.append(
+                (
+                    "{}_{}".format(int(c), i),
+                    getCoinName(c) + " - " + extractDomain(e.base_url),
+                )
+            )
     return explorers
 
 
 def listExplorerActions(swap_client):
-    actions = [('height', 'Chain Height'),
-               ('block', 'Get Block'),
-               ('tx', 'Get Transaction'),
-               ('balance', 'Address Balance'),
-               ('unspent', 'List Unspent')]
+    actions = [
+        ("height", "Chain Height"),
+        ("block", "Get Block"),
+        ("tx", "Get Transaction"),
+        ("balance", "Address Balance"),
+        ("unspent", "List Unspent"),
+    ]
     return actions
 
 
 def parse_cmd(cmd: str, type_map: str):
     params = shlex.split(cmd)
     if len(params) < 1:
-        return '', []
+        return "", []
     method = params[0]
     typed_params = []
     params = params[1:]
 
     for i, param in enumerate(params):
         if i >= len(type_map):
-            type_ind = 's'
+            type_ind = "s"
         else:
             type_ind = type_map[i]
-        if type_ind == 'i':
+        if type_ind == "i":
             typed_params.append(int(param))
-        elif type_ind == 'f':
+        elif type_ind == "f":
             typed_params.append(float(param))
-        elif type_ind == 'b':
+        elif type_ind == "b":
             typed_params.append(toBool(param))
-        elif type_ind == 'j':
+        elif type_ind == "j":
             typed_params.append(json.loads(param))
         else:
             typed_params.append(param)
@@ -111,7 +119,6 @@ def parse_cmd(cmd: str, type_map: str):
 
 
 class HttpHandler(BaseHTTPRequestHandler):
-
     def log_error(self, format, *args):
         super().log_message(format, *args)
 
@@ -123,96 +130,112 @@ class HttpHandler(BaseHTTPRequestHandler):
         return os.urandom(8).hex()
 
     def checkForm(self, post_string, name, messages):
-        if post_string == '':
+        if post_string == "":
             return None
         form_data = parse.parse_qs(post_string)
-        form_id = form_data[b'formid'][0].decode('utf-8')
+        form_id = form_data[b"formid"][0].decode("utf-8")
         if self.server.last_form_id.get(name, None) == form_id:
-            messages.append('Prevented double submit for form {}.'.format(form_id))
+            messages.append("Prevented double submit for form {}.".format(form_id))
             return None
         self.server.last_form_id[name] = form_id
         return form_data
 
-    def render_template(self, template, args_dict, status_code=200, version=__version__):
+    def render_template(
+        self, template, args_dict, status_code=200, version=__version__
+    ):
         swap_client = self.server.swap_client
         if swap_client.ws_server:
-            args_dict['ws_url'] = swap_client.ws_server.url
+            args_dict["ws_port"] = swap_client.ws_server.client_port
         if swap_client.debug:
-            args_dict['debug_mode'] = True
+            args_dict["debug_mode"] = True
         if swap_client.debug_ui:
-            args_dict['debug_ui_mode'] = True
+            args_dict["debug_ui_mode"] = True
         if swap_client.use_tor_proxy:
-            args_dict['use_tor_proxy'] = True
+            args_dict["use_tor_proxy"] = True
             # TODO: Cache value?
             try:
-                args_dict['tor_established'] = True if get_tor_established_state(swap_client) == '1' else False
-            except Exception:
+                tor_state = get_tor_established_state(swap_client)
+                args_dict["tor_established"] = True if tor_state == "1" else False
+            except Exception as e:
+                args_dict["tor_established"] = False
                 if swap_client.debug:
+                    swap_client.log.error(f"Error getting Tor state: {str(e)}")
                     swap_client.log.error(traceback.format_exc())
 
         if swap_client._show_notifications:
-            args_dict['notifications'] = swap_client.getNotifications()
+            args_dict["notifications"] = swap_client.getNotifications()
 
-        if 'messages' in args_dict:
+        if "messages" in args_dict:
             messages_with_ids = []
-            for msg in args_dict['messages']:
+            for msg in args_dict["messages"]:
                 messages_with_ids.append((self.server.msg_id_counter, msg))
                 self.server.msg_id_counter += 1
-            args_dict['messages'] = messages_with_ids
-        if 'err_messages' in args_dict:
+            args_dict["messages"] = messages_with_ids
+        if "err_messages" in args_dict:
             err_messages_with_ids = []
-            for msg in args_dict['err_messages']:
+            for msg in args_dict["err_messages"]:
                 err_messages_with_ids.append((self.server.msg_id_counter, msg))
                 self.server.msg_id_counter += 1
-            args_dict['err_messages'] = err_messages_with_ids
+            args_dict["err_messages"] = err_messages_with_ids
 
         shutdown_token = os.urandom(8).hex()
-        self.server.session_tokens['shutdown'] = shutdown_token
-        args_dict['shutdown_token'] = shutdown_token
+        self.server.session_tokens["shutdown"] = shutdown_token
+        args_dict["shutdown_token"] = shutdown_token
 
         encrypted, locked = swap_client.getLockedState()
-        args_dict['encrypted'] = encrypted
-        args_dict['locked'] = locked
+        args_dict["encrypted"] = encrypted
+        args_dict["locked"] = locked
 
         if self.server.msg_id_counter >= 0x7FFFFFFF:
             self.server.msg_id_counter = 0
 
-        args_dict['version'] = version
+        args_dict["version"] = version
 
-        self.putHeaders(status_code, 'text/html')
-        return bytes(template.render(
-            title=self.server.title,
-            h2=self.server.title,
-            form_id=self.generate_form_id(),
-            **args_dict,
-        ), 'UTF-8')
+        self.putHeaders(status_code, "text/html")
+        return bytes(
+            template.render(
+                title=self.server.title,
+                h2=self.server.title,
+                form_id=self.generate_form_id(),
+                **args_dict,
+            ),
+            "UTF-8",
+        )
 
     def render_simple_template(self, template, args_dict):
-        swap_client = self.server.swap_client
-        return bytes(template.render(
-            title=self.server.title,
-            **args_dict,
-        ), 'UTF-8')
+        return bytes(
+            template.render(
+                title=self.server.title,
+                **args_dict,
+            ),
+            "UTF-8",
+        )
 
     def page_info(self, info_str, post_string=None):
-        template = env.get_template('info.html')
+        template = env.get_template("info.html")
         swap_client = self.server.swap_client
         summary = swap_client.getSummary()
-        return self.render_template(template, {
-            'title_str': 'BasicSwap Info',
-            'message_str': info_str,
-            'summary': summary,
-        })
+        return self.render_template(
+            template,
+            {
+                "title_str": "BasicSwap Info",
+                "message_str": info_str,
+                "summary": summary,
+            },
+        )
 
     def page_error(self, error_str, post_string=None):
-        template = env.get_template('error.html')
+        template = env.get_template("error.html")
         swap_client = self.server.swap_client
         summary = swap_client.getSummary()
-        return self.render_template(template, {
-            'title_str': 'BasicSwap Error',
-            'message_str': error_str,
-            'summary': summary,
-        })
+        return self.render_template(
+            template,
+            {
+                "title_str": "BasicSwap Error",
+                "message_str": error_str,
+                "summary": summary,
+            },
+        )
 
     def page_explorers(self, url_split, post_string):
         swap_client = self.server.swap_client
@@ -224,42 +247,49 @@ class HttpHandler(BaseHTTPRequestHandler):
         action = -1
         messages = []
         err_messages = []
-        form_data = self.checkForm(post_string, 'explorers', err_messages)
+        form_data = self.checkForm(post_string, "explorers", err_messages)
         if form_data:
 
-            explorer = form_data[b'explorer'][0].decode('utf-8')
-            action = form_data[b'action'][0].decode('utf-8')
+            explorer = form_data[b"explorer"][0].decode("utf-8")
+            action = form_data[b"action"][0].decode("utf-8")
 
-            args = '' if b'args' not in form_data else form_data[b'args'][0].decode('utf-8')
+            args = (
+                ""
+                if b"args" not in form_data
+                else form_data[b"args"][0].decode("utf-8")
+            )
             try:
-                c, e = explorer.split('_')
-                exp = swap_client.coin_clients[Coins(int(c))]['explorers'][int(e)]
-                if action == 'height':
+                c, e = explorer.split("_")
+                exp = swap_client.coin_clients[Coins(int(c))]["explorers"][int(e)]
+                if action == "height":
                     result = str(exp.getChainHeight())
-                elif action == 'block':
+                elif action == "block":
                     result = dumpj(exp.getBlock(args))
-                elif action == 'tx':
+                elif action == "tx":
                     result = dumpj(exp.getTransaction(args))
-                elif action == 'balance':
+                elif action == "balance":
                     result = dumpj(exp.getBalance(args))
-                elif action == 'unspent':
+                elif action == "unspent":
                     result = dumpj(exp.lookupUnspentByAddress(args))
                 else:
-                    result = 'Unknown action'
+                    result = "Unknown action"
             except Exception as ex:
                 result = str(ex)
 
-        template = env.get_template('explorers.html')
-        return self.render_template(template, {
-            'messages': messages,
-            'err_messages': err_messages,
-            'explorers': listAvailableExplorers(swap_client),
-            'explorer': explorer,
-            'actions': listExplorerActions(swap_client),
-            'action': action,
-            'result': result,
-            'summary': summary,
-        })
+        template = env.get_template("explorers.html")
+        return self.render_template(
+            template,
+            {
+                "messages": messages,
+                "err_messages": err_messages,
+                "explorers": listAvailableExplorers(swap_client),
+                "explorer": explorer,
+                "actions": listExplorerActions(swap_client),
+                "action": action,
+                "result": result,
+                "summary": summary,
+            },
+        )
 
     def page_rpc(self, url_split, post_string):
         swap_client = self.server.swap_client
@@ -267,34 +297,33 @@ class HttpHandler(BaseHTTPRequestHandler):
         summary = swap_client.getSummary()
 
         result = None
-        cmd = ''
+        cmd = ""
         coin_type_selected = -1
         coin_type = -1
-        coin_id = -1
-        call_type = 'cli'
-        type_map = ''
+        call_type = "cli"
+        type_map = ""
         messages = []
         err_messages = []
-        form_data = self.checkForm(post_string, 'rpc', err_messages)
+        form_data = self.checkForm(post_string, "rpc", err_messages)
         if form_data:
             try:
-                call_type = get_data_entry_or(form_data, 'call_type', 'cli')
-                type_map = get_data_entry_or(form_data, 'type_map', '')
+                call_type = get_data_entry_or(form_data, "call_type", "cli")
+                type_map = get_data_entry_or(form_data, "type_map", "")
                 try:
-                    coin_type_selected = get_data_entry(form_data, 'coin_type')
-                    coin_type_split = coin_type_selected.split(',')
+                    coin_type_selected = get_data_entry(form_data, "coin_type")
+                    coin_type_split = coin_type_selected.split(",")
                     coin_type = Coins(int(coin_type_split[0]))
                     coin_variant = int(coin_type_split[1])
                 except Exception:
-                    raise ValueError('Unknown Coin Type')
+                    raise ValueError("Unknown Coin Type")
 
                 if coin_type in (Coins.DCR,):
-                    call_type = 'http'
+                    call_type = "http"
 
                 try:
-                    cmd = get_data_entry(form_data, 'cmd')
+                    cmd = get_data_entry(form_data, "cmd")
                 except Exception:
-                    raise ValueError('Invalid command')
+                    raise ValueError("Invalid command")
                 if coin_type in (Coins.XMR, Coins.WOW):
                     ci = swap_client.ci(coin_type)
                     arr = cmd.split(None, 1)
@@ -309,10 +338,10 @@ class HttpHandler(BaseHTTPRequestHandler):
                             params = None
                         rv = ci.rpc2(method, params)
                     else:
-                        raise ValueError('Unknown RPC variant')
+                        raise ValueError("Unknown RPC variant")
                     result = json.dumps(rv, indent=4)
                 else:
-                    if call_type == 'http':
+                    if call_type == "http":
                         ci = swap_client.ci(coin_type)
                         method, params = parse_cmd(cmd, type_map)
                         if coin_variant == 1:
@@ -320,50 +349,56 @@ class HttpHandler(BaseHTTPRequestHandler):
                         elif coin_variant == 2:
                             rv = ci.rpc_wallet_mweb(method, params)
                         else:
-                            if coin_type in (Coins.DCR, ):
+                            if coin_type in (Coins.DCR,):
                                 rv = ci.rpc(method, params)
                             else:
                                 rv = ci.rpc_wallet(method, params)
                         if not isinstance(rv, str):
                             rv = json.dumps(rv, indent=4)
-                        result = cmd + '\n' + rv
+                        result = cmd + "\n" + rv
                     else:
-                        result = cmd + '\n' + swap_client.callcoincli(coin_type, cmd)
+                        result = cmd + "\n" + swap_client.callcoincli(coin_type, cmd)
             except Exception as ex:
-                result = cmd + '\n' + str(ex)
+                result = cmd + "\n" + str(ex)
                 if self.server.swap_client.debug is True:
                     self.server.swap_client.log.error(traceback.format_exc())
 
-        template = env.get_template('rpc.html')
+        template = env.get_template("rpc.html")
 
         coin_available = listAvailableCoins(swap_client, with_variants=False)
         with_xmr: bool = any(c[0] == Coins.XMR for c in coin_available)
         with_wow: bool = any(c[0] == Coins.WOW for c in coin_available)
-        coins = [(str(c[0]) + ',0', c[1]) for c in coin_available if c[0] not in (Coins.XMR, Coins.WOW)]
+        coins = [
+            (str(c[0]) + ",0", c[1])
+            for c in coin_available
+            if c[0] not in (Coins.XMR, Coins.WOW)
+        ]
 
         if any(c[0] == Coins.DCR for c in coin_available):
-            coins.append((str(int(Coins.DCR)) + ',1', 'Decred Wallet'))
+            coins.append((str(int(Coins.DCR)) + ",1", "Decred Wallet"))
         if any(c[0] == Coins.LTC for c in coin_available):
-            coins.append((str(int(Coins.LTC)) + ',2', 'Litecoin MWEB Wallet'))
+            coins.append((str(int(Coins.LTC)) + ",2", "Litecoin MWEB Wallet"))
         if with_xmr:
-            coins.append((str(int(Coins.XMR)) + ',0', 'Monero'))
-            coins.append((str(int(Coins.XMR)) + ',1', 'Monero JSON'))
-            coins.append((str(int(Coins.XMR)) + ',2', 'Monero Wallet'))
+            coins.append((str(int(Coins.XMR)) + ",0", "Monero"))
+            coins.append((str(int(Coins.XMR)) + ",1", "Monero JSON"))
+            coins.append((str(int(Coins.XMR)) + ",2", "Monero Wallet"))
         if with_wow:
-            coins.append((str(int(Coins.WOW)) + ',0', 'Wownero'))
-            coins.append((str(int(Coins.WOW)) + ',1', 'Wownero JSON'))
-            coins.append((str(int(Coins.WOW)) + ',2', 'Wownero Wallet'))
+            coins.append((str(int(Coins.WOW)) + ",0", "Wownero"))
+            coins.append((str(int(Coins.WOW)) + ",1", "Wownero JSON"))
+            coins.append((str(int(Coins.WOW)) + ",2", "Wownero Wallet"))
 
-        return self.render_template(template, {
-            'messages': messages,
-            'err_messages': err_messages,
-            'coins': coins,
-            'coin_type': coin_type_selected,
-            'call_type': call_type,
-            'result': result,
-            'messages': messages,
-            'summary': summary,
-        })
+        return self.render_template(
+            template,
+            {
+                "messages": messages,
+                "err_messages": err_messages,
+                "coins": coins,
+                "coin_type": coin_type_selected,
+                "call_type": call_type,
+                "result": result,
+                "summary": summary,
+            },
+        )
 
     def page_active(self, url_split, post_string):
         swap_client = self.server.swap_client
@@ -371,12 +406,24 @@ class HttpHandler(BaseHTTPRequestHandler):
         active_swaps = swap_client.listSwapsInProgress()
         summary = swap_client.getSummary()
 
-        template = env.get_template('active.html')
-        return self.render_template(template, {
-            'refresh': 30,
-            'active_swaps': [(s[0].hex(), s[1], strBidState(s[2]), strTxState(s[3]), strTxState(s[4])) for s in active_swaps],
-            'summary': summary,
-        })
+        template = env.get_template("active.html")
+        return self.render_template(
+            template,
+            {
+                "refresh": 30,
+                "active_swaps": [
+                    (
+                        s[0].hex(),
+                        s[1],
+                        strBidState(s[2]),
+                        strTxState(s[3]),
+                        strTxState(s[4]),
+                    )
+                    for s in active_swaps
+                ],
+                "summary": summary,
+            },
+        )
 
     def page_watched(self, url_split, post_string):
         swap_client = self.server.swap_client
@@ -384,62 +431,68 @@ class HttpHandler(BaseHTTPRequestHandler):
         watched_outputs, last_scanned = swap_client.listWatchedOutputs()
         summary = swap_client.getSummary()
 
-        template = env.get_template('watched.html')
-        return self.render_template(template, {
-            'refresh': 30,
-            'last_scanned': [(getCoinName(ls[0]), ls[1]) for ls in last_scanned],
-            'watched_outputs': [(wo[1].hex(), getCoinName(wo[0]), wo[2], wo[3], int(wo[4])) for wo in watched_outputs],
-            'summary': summary,
-        })
+        template = env.get_template("watched.html")
+        return self.render_template(
+            template,
+            {
+                "refresh": 30,
+                "last_scanned": [(getCoinName(ls[0]), ls[1]) for ls in last_scanned],
+                "watched_outputs": [
+                    (wo[1].hex(), getCoinName(wo[0]), wo[2], wo[3], int(wo[4]))
+                    for wo in watched_outputs
+                ],
+                "summary": summary,
+            },
+        )
 
     def page_shutdown(self, url_split, post_string):
         swap_client = self.server.swap_client
 
         if len(url_split) > 2:
             token = url_split[2]
-            expect_token = self.server.session_tokens.get('shutdown', None)
+            expect_token = self.server.session_tokens.get("shutdown", None)
             if token != expect_token:
-                return self.page_info('Unexpected token, still running.')
+                return self.page_info("Unexpected token, still running.")
 
         swap_client.stopRunning()
 
-        return self.page_info('Shutting down')
+        return self.page_info("Shutting down")
 
     def page_index(self, url_split):
         swap_client = self.server.swap_client
         swap_client.checkSystemStatus()
-        summary = swap_client.getSummary()
-        template = env.get_template('index.html')
-        return self.render_template(template, {
-            'refresh': 30,
-            'summary': summary,
-            'use_tor_proxy': swap_client.use_tor_proxy
-        })
+        self.send_response(302)
+        self.send_header("Location", "/offers")
+        self.end_headers()
+        return b""
 
     def page_404(self, url_split):
         swap_client = self.server.swap_client
         summary = swap_client.getSummary()
-        template = env.get_template('404.html')
-        return self.render_template(template, {
-            'summary': summary,
-        })
+        template = env.get_template("404.html")
+        return self.render_template(
+            template,
+            {
+                "summary": summary,
+            },
+        )
 
     def putHeaders(self, status_code, content_type):
         self.send_response(status_code)
         if self.server.allow_cors:
-            self.send_header('Access-Control-Allow-Origin', '*')
-        self.send_header('Content-Type', content_type)
+            self.send_header("Access-Control-Allow-Origin", "*")
+        self.send_header("Content-Type", content_type)
         self.end_headers()
 
-    def handle_http(self, status_code, path, post_string='', is_json=False):
+    def handle_http(self, status_code, path, post_string="", is_json=False):
         swap_client = self.server.swap_client
         parsed = parse.urlparse(self.path)
-        url_split = parsed.path.split('/')
-        if post_string == '' and len(parsed.query) > 0:
+        url_split = parsed.path.split("/")
+        if post_string == "" and len(parsed.query) > 0:
             post_string = parsed.query
-        if len(url_split) > 1 and url_split[1] == 'json':
+        if len(url_split) > 1 and url_split[1] == "json":
             try:
-                self.putHeaders(status_code, 'text/plain')
+                self.putHeaders(status_code, "text/plain")
                 func = js_url_to_function(url_split)
                 return func(self, url_split, post_string, is_json)
             except Exception as ex:
@@ -447,37 +500,42 @@ class HttpHandler(BaseHTTPRequestHandler):
                     swap_client.log.error(traceback.format_exc())
                 return js_error(self, str(ex))
 
-        if len(url_split) > 1 and url_split[1] == 'static':
+        if len(url_split) > 1 and url_split[1] == "static":
             try:
-                static_path = os.path.join(os.path.dirname(__file__), 'static')
-                if len(url_split) > 3 and url_split[2] == 'sequence_diagrams':
-                    with open(os.path.join(static_path, 'sequence_diagrams', url_split[3]), 'rb') as fp:
-                        self.putHeaders(status_code, 'image/svg+xml')
+                static_path = os.path.join(os.path.dirname(__file__), "static")
+                if len(url_split) > 3 and url_split[2] == "sequence_diagrams":
+                    with open(
+                        os.path.join(static_path, "sequence_diagrams", url_split[3]),
+                        "rb",
+                    ) as fp:
+                        self.putHeaders(status_code, "image/svg+xml")
                         return fp.read()
-                elif len(url_split) > 3 and url_split[2] == 'images':
+                elif len(url_split) > 3 and url_split[2] == "images":
                     filename = os.path.join(*url_split[3:])
                     _, extension = os.path.splitext(filename)
                     mime_type = {
-                        '.svg': 'image/svg+xml',
-                        '.png': 'image/png',
-                        '.jpg': 'image/jpeg',
-                        '.gif': 'image/gif',
-                        '.ico': 'image/x-icon',
-                    }.get(extension, '')
-                    if mime_type == '':
-                        raise ValueError('Unknown file type ' + filename)
-                    with open(os.path.join(static_path, 'images', filename), 'rb') as fp:
+                        ".svg": "image/svg+xml",
+                        ".png": "image/png",
+                        ".jpg": "image/jpeg",
+                        ".gif": "image/gif",
+                        ".ico": "image/x-icon",
+                    }.get(extension, "")
+                    if mime_type == "":
+                        raise ValueError("Unknown file type " + filename)
+                    with open(
+                        os.path.join(static_path, "images", filename), "rb"
+                    ) as fp:
                         self.putHeaders(status_code, mime_type)
                         return fp.read()
-                elif len(url_split) > 3 and url_split[2] == 'css':
+                elif len(url_split) > 3 and url_split[2] == "css":
                     filename = os.path.join(*url_split[3:])
-                    with open(os.path.join(static_path, 'css', filename), 'rb') as fp:
-                        self.putHeaders(status_code, 'text/css; charset=utf-8')
+                    with open(os.path.join(static_path, "css", filename), "rb") as fp:
+                        self.putHeaders(status_code, "text/css; charset=utf-8")
                         return fp.read()
-                elif len(url_split) > 3 and url_split[2] == 'js':
+                elif len(url_split) > 3 and url_split[2] == "js":
                     filename = os.path.join(*url_split[3:])
-                    with open(os.path.join(static_path, 'js', filename), 'rb') as fp:
-                        self.putHeaders(status_code, 'application/javascript')
+                    with open(os.path.join(static_path, "js", filename), "rb") as fp:
+                        self.putHeaders(status_code, "application/javascript")
                         return fp.read()
                 else:
                     return self.page_404(url_split)
@@ -492,63 +550,61 @@ class HttpHandler(BaseHTTPRequestHandler):
             if len(url_split) > 1:
                 page = url_split[1]
 
-                if page == 'active':
+                if page == "active":
                     return self.page_active(url_split, post_string)
-                if page == 'wallets':
+                if page == "wallets":
                     return page_wallets(self, url_split, post_string)
-                if page == 'wallet':
+                if page == "wallet":
                     return page_wallet(self, url_split, post_string)
-                if page == 'settings':
+                if page == "settings":
                     return page_settings(self, url_split, post_string)
-                if page == 'error':
+                if page == "error":
                     return self.page_error(url_split, post_string)
-                if page == 'info':
+                if page == "info":
                     return self.page_info(url_split, post_string)
-                if page == 'rpc':
+                if page == "rpc":
                     return self.page_rpc(url_split, post_string)
-                if page == 'debug':
+                if page == "debug":
                     return page_debug(self, url_split, post_string)
-                if page == 'explorers':
+                if page == "explorers":
                     return self.page_explorers(url_split, post_string)
-                if page == 'offer':
+                if page == "offer":
                     return page_offer(self, url_split, post_string)
-                if page == 'offers':
+                if page == "offers":
                     return page_offers(self, url_split, post_string)
-                if page == 'newoffer':
+                if page == "newoffer":
                     return page_newoffer(self, url_split, post_string)
-                if page == 'sentoffers':
+                if page == "sentoffers":
                     return page_offers(self, url_split, post_string, sent=True)
-                if page == 'bid':
+                if page == "bid":
                     return page_bid(self, url_split, post_string)
-                if page == 'receivedbids':
-                    return page_bids(self, url_split, post_string, received=True)
-                if page == 'sentbids':
-                    return page_bids(self, url_split, post_string, sent=True)
-                if page == 'availablebids':
+                if page == "bids":
+                    return page_bids(self, url_split, post_string)
+                if page == "availablebids":
                     return page_bids(self, url_split, post_string, available=True)
-                if page == 'watched':
+                if page == "watched":
                     return self.page_watched(url_split, post_string)
-                if page == 'smsgaddresses':
+                if page == "smsgaddresses":
                     return page_smsgaddresses(self, url_split, post_string)
-                if page == 'identity':
+                if page == "identity":
                     return page_identity(self, url_split, post_string)
-                if page == 'tor':
+                if page == "tor":
                     return page_tor(self, url_split, post_string)
-                if page == 'automation':
+                if page == "automation":
                     return page_automation_strategies(self, url_split, post_string)
-                if page == 'automationstrategy':
+                if page == "automationstrategy":
                     return page_automation_strategy(self, url_split, post_string)
-                if page == 'newautomationstrategy':
+                if page == "newautomationstrategy":
                     return page_automation_strategy_new(self, url_split, post_string)
-                if page == 'shutdown':
+                if page == "shutdown":
                     return self.page_shutdown(url_split, post_string)
-                if page == 'changepassword':
+                if page == "changepassword":
                     return page_changepassword(self, url_split, post_string)
-                if page == 'unlock':
+                if page == "unlock":
                     return page_unlock(self, url_split, post_string)
-                if page == 'lock':
+                if page == "lock":
                     return page_lock(self, url_split, post_string)
-                if page != '':
+                if page != "":
                     return self.page_404(url_split)
             return self.page_index(url_split)
         except LockedCoinError:
@@ -563,20 +619,20 @@ class HttpHandler(BaseHTTPRequestHandler):
         self.wfile.write(response)
 
     def do_POST(self):
-        post_string = self.rfile.read(int(self.headers.get('Content-Length')))
+        post_string = self.rfile.read(int(self.headers.get("Content-Length")))
 
-        is_json = True if 'json' in self.headers.get('Content-Type', '') else False
+        is_json = True if "json" in self.headers.get("Content-Type", "") else False
         response = self.handle_http(200, self.path, post_string, is_json)
         self.wfile.write(response)
 
     def do_HEAD(self):
-        self.putHeaders(200, 'text/html')
+        self.putHeaders(200, "text/html")
 
     def do_OPTIONS(self):
-        self.send_response(200, 'ok')
+        self.send_response(200, "ok")
         if self.server.allow_cors:
-            self.send_header('Access-Control-Allow-Origin', '*')
-            self.send_header('Access-Control-Allow-Headers', '*')
+            self.send_header("Access-Control-Allow-Origin", "*")
+            self.send_header("Access-Control-Allow-Headers", "*")
         self.end_headers()
 
 
@@ -590,7 +646,7 @@ class HttpThread(threading.Thread, HTTPServer):
         self.port_no = port_no
         self.allow_cors = allow_cors
         self.swap_client = swap_client
-        self.title = 'BasicSwap - ' + __version__
+        self.title = "BasicSwap - " + __version__
         self.last_form_id = dict()
         self.session_tokens = dict()
         self.env = env
@@ -605,9 +661,9 @@ class HttpThread(threading.Thread, HTTPServer):
         # Send fake request
         conn = http.client.HTTPConnection(self.host_name, self.port_no)
         conn.connect()
-        conn.request('GET', '/none')
+        conn.request("GET", "/none")
         response = conn.getresponse()
-        data = response.read()
+        _ = response.read()
         conn.close()
 
     def serve_forever(self):

basicswap/interface/base.py

@@ -2,6 +2,7 @@
 # -*- coding: utf-8 -*-
 
 # Copyright (c) 2024 tecnovert
+# Copyright (c) 2025 The Basicswap developers
 # Distributed under the MIT software license, see the accompanying
 # file LICENSE or http://www.opensource.org/licenses/mit-license.php.
 
@@ -14,7 +15,8 @@ from basicswap.chainparams import (
 )
 from basicswap.util import (
     ensure,
-    i2b, b2i,
+    i2b,
+    b2i,
     make_int,
     format_amount,
     TemporaryError,
@@ -26,9 +28,7 @@ from basicswap.util.ecc import (
     ep,
     getSecretInt,
 )
-from coincurve.dleag import (
-    verify_secp256k1_point
-)
+from coincurve.dleag import verify_secp256k1_point
 from coincurve.keys import (
     PublicKey,
 )
@@ -52,6 +52,11 @@ class CoinInterface:
         self.setDefaults()
         self._network = network
         self._mx_wallet = threading.Lock()
+        self._altruistic = True
+
+    def interface_type(self) -> int:
+        # coin_type() returns the base coin type, interface_type() returns the coin+balance type.
+        return self.coin_type()
 
     def setDefaults(self):
         self._unknown_wallet_seed = True
@@ -66,33 +71,33 @@ class CoinInterface:
 
     def coin_name(self) -> str:
         coin_chainparams = chainparams[self.coin_type()]
-        if coin_chainparams.get('use_ticker_as_name', False):
-            return coin_chainparams['ticker']
-        return coin_chainparams['name'].capitalize()
+        if "display_name" in coin_chainparams:
+            return coin_chainparams["display_name"]
+        return coin_chainparams["name"].capitalize()
 
     def ticker(self) -> str:
-        ticker = chainparams[self.coin_type()]['ticker']
-        if self._network == 'testnet':
-            ticker = 't' + ticker
-        elif self._network == 'regtest':
-            ticker = 'rt' + ticker
+        ticker = chainparams[self.coin_type()]["ticker"]
+        if self._network == "testnet":
+            ticker = "t" + ticker
+        elif self._network == "regtest":
+            ticker = "rt" + ticker
         return ticker
 
     def getExchangeTicker(self, exchange_name: str) -> str:
-        return chainparams[self.coin_type()]['ticker']
+        return chainparams[self.coin_type()]["ticker"]
 
     def getExchangeName(self, exchange_name: str) -> str:
-        return chainparams[self.coin_type()]['name']
+        return chainparams[self.coin_type()]["name"]
 
     def ticker_mainnet(self) -> str:
-        ticker = chainparams[self.coin_type()]['ticker']
+        ticker = chainparams[self.coin_type()]["ticker"]
         return ticker
 
     def min_amount(self) -> int:
-        return chainparams[self.coin_type()][self._network]['min_amount']
+        return chainparams[self.coin_type()][self._network]["min_amount"]
 
     def max_amount(self) -> int:
-        return chainparams[self.coin_type()][self._network]['max_amount']
+        return chainparams[self.coin_type()][self._network]["max_amount"]
 
     def setWalletSeedWarning(self, value: bool) -> None:
         self._unknown_wallet_seed = value
@@ -110,7 +115,7 @@ class CoinInterface:
         return chainparams[self.coin_type()][self._network]
 
     def has_segwit(self) -> bool:
-        return chainparams[self.coin_type()].get('has_segwit', True)
+        return chainparams[self.coin_type()].get("has_segwit", True)
 
     def use_p2shp2wsh(self) -> bool:
         # p2sh-p2wsh
@@ -120,24 +125,26 @@ class CoinInterface:
         if isinstance(ex, TemporaryError):
             return True
         str_error: str = str(ex).lower()
-        if 'not enough unlocked money' in str_error:
+        if "not enough unlocked money" in str_error:
             return True
-        if 'no unlocked balance' in str_error:
+        if "no unlocked balance" in str_error:
             return True
-        if 'transaction was rejected by daemon' in str_error:
+        if "transaction was rejected by daemon" in str_error:
             return True
-        if 'invalid unlocked_balance' in str_error:
+        if "invalid unlocked_balance" in str_error:
             return True
-        if 'daemon is busy' in str_error:
+        if "daemon is busy" in str_error:
             return True
-        if 'timed out' in str_error:
+        if "timed out" in str_error:
             return True
-        if 'request-sent' in str_error:
+        if "request-sent" in str_error:
             return True
         return False
 
     def setConfTarget(self, new_conf_target: int) -> None:
-        ensure(new_conf_target >= 1 and new_conf_target < 33, 'Invalid conf_target value')
+        ensure(
+            new_conf_target >= 1 and new_conf_target < 33, "Invalid conf_target value"
+        )
         self._conf_target = new_conf_target
 
     def walletRestoreHeight(self) -> int:
@@ -166,31 +173,19 @@ class CoinInterface:
     def checkWallets(self) -> int:
         return 1
 
+    def altruistic(self) -> bool:
+        return self._altruistic
 
-class AdaptorSigInterface():
+
+class AdaptorSigInterface:
     def getScriptLockTxDummyWitness(self, script: bytes):
-        return [
-            b'',
-            bytes(72),
-            bytes(72),
-            bytes(len(script))
-        ]
+        return [b"", bytes(72), bytes(72), bytes(len(script))]
 
     def getScriptLockRefundSpendTxDummyWitness(self, script: bytes):
-        return [
-            b'',
-            bytes(72),
-            bytes(72),
-            bytes((1,)),
-            bytes(len(script))
-        ]
+        return [b"", bytes(72), bytes(72), bytes((1,)), bytes(len(script))]
 
     def getScriptLockRefundSwipeTxDummyWitness(self, script: bytes):
-        return [
-            bytes(72),
-            b'',
-            bytes(len(script))
-        ]
+        return [bytes(72), b"", bytes(len(script))]
 
 
 class Secp256k1Interface(CoinInterface, AdaptorSigInterface):
@@ -198,7 +193,7 @@ class Secp256k1Interface(CoinInterface, AdaptorSigInterface):
     def curve_type():
         return Curves.secp256k1
 
-    def getNewSecretKey(self) -> bytes:
+    def getNewRandomKey(self) -> bytes:
         return i2b(getSecretInt())
 
     def getPubkey(self, privkey: bytes) -> bytes:
@@ -209,7 +204,7 @@ class Secp256k1Interface(CoinInterface, AdaptorSigInterface):
 
     def verifyKey(self, k: bytes) -> bool:
         i = b2i(k)
-        return (i < ep.o and i > 0)
+        return i < ep.o and i > 0
 
     def verifyPubkey(self, pubkey_bytes: bytes) -> bool:
         return verify_secp256k1_point(pubkey_bytes)

basicswap/interface/contrib/bch_test_framework/cashaddress.py

@@ -0,0 +1,247 @@
+import unittest
+
+
+CHARSET = "qpzry9x8gf2tvdw0s3jn54khce6mua7l"
+
+def polymod(values):
+    chk = 1
+    generator = [
+        (0x01, 0x98F2BC8E61),
+        (0x02, 0x79B76D99E2),
+        (0x04, 0xF33E5FB3C4),
+        (0x08, 0xAE2EABE2A8),
+        (0x10, 0x1E4F43E470),
+    ]
+    for value in values:
+        top = chk >> 35
+        chk = ((chk & 0x07FFFFFFFF) << 5) ^ value
+        for i in generator:
+            if top & i[0] != 0:
+                chk ^= i[1]
+    return chk ^ 1
+
+
+def calculate_checksum(prefix, payload):
+    poly = polymod(prefix_expand(prefix) + payload + [0, 0, 0, 0, 0, 0, 0, 0])
+    out = list()
+    for i in range(8):
+        out.append((poly >> 5 * (7 - i)) & 0x1F)
+    return out
+
+
+def verify_checksum(prefix, payload):
+    return polymod(prefix_expand(prefix) + payload) == 0
+
+
+def b32decode(inputs):
+    out = list()
+    for letter in inputs:
+        out.append(CHARSET.find(letter))
+    return out
+
+
+def b32encode(inputs):
+    out = ""
+    for char_code in inputs:
+        out += CHARSET[char_code]
+    return out
+
+
+def convertbits(data, frombits, tobits, pad=True):
+    acc = 0
+    bits = 0
+    ret = []
+    maxv = (1 << tobits) - 1
+    max_acc = (1 << (frombits + tobits - 1)) - 1
+    for value in data:
+        if value < 0 or (value >> frombits):
+            return None
+        acc = ((acc << frombits) | value) & max_acc
+        bits += frombits
+        while bits >= tobits:
+            bits -= tobits
+            ret.append((acc >> bits) & maxv)
+    if pad:
+        if bits:
+            ret.append((acc << (tobits - bits)) & maxv)
+    elif bits >= frombits or ((acc << (tobits - bits)) & maxv):
+        return None
+    return ret
+
+
+def prefix_expand(prefix):
+    return [ord(x) & 0x1F for x in prefix] + [0]
+
+
+class Address:
+    """
+    Class to handle CashAddr.
+
+    :param version: Version of CashAddr
+    :type version: ``str``
+    :param payload: Payload of CashAddr as int list of the bytearray
+    :type payload: ``list`` of ``int``
+    """
+
+    VERSIONS = {
+        "P2SH20": {"prefix": "bitcoincash", "version_bit": 8, "network": "mainnet"},
+        "P2SH32": {"prefix": "bitcoincash", "version_bit": 11, "network": "mainnet"},
+        "P2PKH": {"prefix": "bitcoincash", "version_bit": 0, "network": "mainnet"},
+        "P2SH20-TESTNET": {"prefix": "bchtest", "version_bit": 8, "network": "testnet"},
+        "P2SH32-TESTNET": {
+            "prefix": "bchtest",
+            "version_bit": 11,
+            "network": "testnet",
+        },
+        "P2PKH-TESTNET": {"prefix": "bchtest", "version_bit": 0, "network": "testnet"},
+        "P2SH20-REGTEST": {"prefix": "bchreg", "version_bit": 8, "network": "regtest"},
+        "P2SH32-REGTEST": {"prefix": "bchreg", "version_bit": 11, "network": "regtest"},
+        "P2PKH-REGTEST": {"prefix": "bchreg", "version_bit": 0, "network": "regtest"},
+        "P2SH20-CATKN": {
+            "prefix": "bitcoincash",
+            "version_bit": 24,
+            "network": "mainnet",
+        },
+        "P2SH32-CATKN": {
+            "prefix": "bitcoincash",
+            "version_bit": 27,
+            "network": "mainnet",
+        },
+        "P2PKH-CATKN": {
+            "prefix": "bitcoincash",
+            "version_bit": 16,
+            "network": "mainnet",
+        },
+        "P2SH20-CATKN-TESTNET": {
+            "prefix": "bchtest",
+            "version_bit": 24,
+            "network": "testnet",
+        },
+        "P2SH32-CATKN-TESTNET": {
+            "prefix": "bchtest",
+            "version_bit": 27,
+            "network": "testnet",
+        },
+        "P2PKH-CATKN-TESTNET": {
+            "prefix": "bchtest",
+            "version_bit": 16,
+            "network": "testnet",
+        },
+        "P2SH20-CATKN-REGTEST": {
+            "prefix": "bchreg",
+            "version_bit": 24,
+            "network": "regtest",
+        },
+        "P2SH32-CATKN-REGTEST": {
+            "prefix": "bchreg",
+            "version_bit": 27,
+            "network": "regtest",
+        },
+        "P2PKH-CATKN-REGTEST": {
+            "prefix": "bchreg",
+            "version_bit": 16,
+            "network": "regtest",
+        },
+    }
+
+    VERSION_SUFFIXES = {"bitcoincash": "", "bchtest": "-TESTNET", "bchreg": "-REGTEST"}
+
+    ADDRESS_TYPES = {
+        0: "P2PKH",
+        8: "P2SH20",
+        11: "P2SH32",
+        16: "P2PKH-CATKN",
+        24: "P2SH20-CATKN",
+        27: "P2SH32-CATKN",
+    }
+
+    def __init__(self, version, payload):
+        if version not in Address.VERSIONS:
+            raise ValueError("Invalid address version provided")
+
+        self.version = version
+        self.payload = payload
+        self.prefix = Address.VERSIONS[self.version]["prefix"]
+
+    def __str__(self):
+        return (
+            f"version: {self.version}\npayload: {self.payload}\nprefix: {self.prefix}"
+        )
+
+    def __repr__(self):
+        return f"Address('{self.cash_address()}')"
+
+    def __eq__(self, other):
+        if isinstance(other, str):
+            return self.cash_address() == other
+        elif isinstance(other, Address):
+            return self.cash_address() == other.cash_address()
+        else:
+            raise ValueError(
+                "Address can be compared to a string address"
+                " or an instance of Address"
+            )
+
+    def cash_address(self):
+        """
+        Generate CashAddr of the Address
+
+        :rtype: ``str``
+        """
+        version_bit = Address.VERSIONS[self.version]["version_bit"]
+        payload = [version_bit] + list(self.payload)
+        payload = convertbits(payload, 8, 5)
+        checksum = calculate_checksum(self.prefix, payload)
+        return self.prefix + ":" + b32encode(payload + checksum)
+
+    @staticmethod
+    def from_string(address):
+        """
+        Generate Address from a cashadress string
+
+        :param scriptcode: The cashaddress string
+        :type scriptcode: ``str``
+        :returns: Instance of :class:~bitcash.cashaddress.Address
+        """
+        try:
+            address = str(address)
+        except Exception:
+            raise ValueError("Expected string as input")
+
+        if address.upper() != address and address.lower() != address:
+            raise ValueError(
+                "Cash address contains uppercase and lowercase characters: " + address
+            )
+
+        address = address.lower()
+        colon_count = address.count(":")
+        if colon_count == 0:
+            raise ValueError("Cash address is missing prefix")
+        if colon_count > 1:
+            raise ValueError("Cash address contains more than one colon character")
+
+        prefix, base32string = address.split(":")
+        decoded = b32decode(base32string)
+
+        if not verify_checksum(prefix, decoded):
+            raise ValueError(
+                "Bad cash address checksum for address {}".format(address)
+            )
+        converted = convertbits(decoded, 5, 8)
+
+        try:
+            version = Address.ADDRESS_TYPES[converted[0]]
+        except Exception:
+            raise ValueError("Could not determine address version")
+
+        version += Address.VERSION_SUFFIXES[prefix]
+
+        payload = converted[1:-6]
+        return Address(version, payload)
+
+class TestFrameworkScript(unittest.TestCase):
+    def test_base58encodedecode(self):
+        def check_cashaddress(address: str):
+            self.assertEqual(Address.from_string(address).cash_address(), address)
+    
+        check_cashaddress("bitcoincash:qzfyvx77v2pmgc0vulwlfkl3uzjgh5gnmqk5hhyaa6")

basicswap/interface/contrib/bch_test_framework/script.py

@@ -0,0 +1,43 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2024 tecnovert
+# Distributed under the MIT software license, see the accompanying
+# file LICENSE or http://www.opensource.org/licenses/mit-license.php.
+
+
+from basicswap.contrib.test_framework.script import CScriptOp
+
+
+OP_TXINPUTCOUNT = CScriptOp(0xc3)
+OP_1 = CScriptOp(0x51)
+OP_NUMEQUALVERIFY = CScriptOp(0x9d)
+OP_TXOUTPUTCOUNT = CScriptOp(0xc4)
+OP_0 = CScriptOp(0x00)
+OP_UTXOVALUE = CScriptOp(0xc6)
+OP_OUTPUTVALUE = CScriptOp(0xcc)
+OP_SUB = CScriptOp(0x94)
+OP_UTXOTOKENCATEGORY = CScriptOp(0xce)
+OP_OUTPUTTOKENCATEGORY = CScriptOp(0xd1)
+OP_EQUALVERIFY = CScriptOp(0x88)
+OP_UTXOTOKENCOMMITMENT = CScriptOp(0xcf)
+OP_OUTPUTTOKENCOMMITMENT = CScriptOp(0xd2)
+OP_UTXOTOKENAMOUNT = CScriptOp(0xd0)
+OP_OUTPUTTOKENAMOUNT = CScriptOp(0xd3)
+OP_INPUTSEQUENCENUMBER = CScriptOp(0xcb)
+OP_NOTIF = CScriptOp(0x64)
+OP_OUTPUTBYTECODE = CScriptOp(0xcd)
+OP_OVER = CScriptOp(0x78)
+OP_CHECKDATASIG = CScriptOp(0xba)
+OP_CHECKDATASIGVERIFY = CScriptOp(0xbb)
+OP_ELSE = CScriptOp(0x67)
+OP_CHECKSEQUENCEVERIFY = CScriptOp(0xb2)
+OP_DROP = CScriptOp(0x75)
+OP_EQUAL = CScriptOp(0x87)
+OP_ENDIF = CScriptOp(0x68)
+OP_HASH256 = CScriptOp(0xaa)
+OP_PUSHBYTES_32 = CScriptOp(0x20)
+OP_DUP = CScriptOp(0x76)
+OP_HASH160 = CScriptOp(0xa9)
+OP_CHECKSIG = CScriptOp(0xac)
+OP_SHA256 = CScriptOp(0xa8)
+OP_VERIFY = CScriptOp(0x69)

basicswap/interface/dash.py

@@ -1,7 +1,8 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
-# Copyright (c) 2022 tecnovert
+# Copyright (c) 2022-2024 tecnovert
+# Copyright (c) 2024 The Basicswap developers
 # Distributed under the MIT software license, see the accompanying
 # file LICENSE or http://www.opensource.org/licenses/mit-license.php.
 
@@ -11,7 +12,10 @@ from basicswap.util.address import decodeAddress
 from basicswap.contrib.mnemonic import Mnemonic
 from basicswap.contrib.test_framework.script import (
     CScript,
-    OP_DUP, OP_HASH160, OP_EQUALVERIFY, OP_CHECKSIG
+    OP_DUP,
+    OP_HASH160,
+    OP_EQUALVERIFY,
+    OP_CHECKSIG,
 )
 
 
@@ -22,41 +26,62 @@ class DASHInterface(BTCInterface):
 
     def __init__(self, coin_settings, network, swap_client=None):
         super().__init__(coin_settings, network, swap_client)
-        self._wallet_passphrase = ''
+        self._wallet_passphrase = ""
         self._have_checked_seed = False
 
-    def entropyToMnemonic(self, key: bytes) -> str:
-        return Mnemonic('english').to_mnemonic(key)
-
-    def initialiseWallet(self, key: bytes):
-        words = self.entropyToMnemonic(key)
-
-        mnemonic_passphrase = ''
-        self.rpc_wallet('upgradetohd', [words, mnemonic_passphrase, self._wallet_passphrase])
-        self._have_checked_seed = False
-        if self._wallet_passphrase != '':
-            self.unlockWallet(self._wallet_passphrase)
+        self._wallet_v20_compatible = (
+            False
+            if not swap_client
+            else swap_client.getChainClientSettings(self.coin_type()).get(
+                "wallet_v20_compatible", False
+            )
+        )
 
     def decodeAddress(self, address: str) -> bytes:
         return decodeAddress(address)[1:]
 
-    def checkExpectedSeed(self, key_hash: str):
-        try:
-            rv = self.rpc_wallet('dumphdinfo')
-            entropy = Mnemonic('english').to_entropy(rv['mnemonic'].split(' '))
+    def getWalletSeedID(self) -> str:
+        hdseed: str = self.rpc_wallet("dumphdinfo")["hdseed"]
+        return self.getSeedHash(bytes.fromhex(hdseed)).hex()
+
+    def entropyToMnemonic(self, key: bytes) -> None:
+        return Mnemonic("english").to_mnemonic(key)
+
+    def initialiseWallet(self, key_bytes: bytes) -> None:
+        self._have_checked_seed = False
+        if self._wallet_v20_compatible:
+            self._log.warning("Generating wallet compatible with v20 seed.")
+            words = self.entropyToMnemonic(key_bytes)
+            mnemonic_passphrase = ""
+            self.rpc_wallet(
+                "upgradetohd", [words, mnemonic_passphrase, self._wallet_passphrase]
+            )
+            self._have_checked_seed = False
+            if self._wallet_passphrase != "":
+                self.unlockWallet(self._wallet_passphrase)
+            return
+
+        key_wif = self.encodeKey(key_bytes)
+        self.rpc_wallet("sethdseed", [True, key_wif])
+
+    def checkExpectedSeed(self, expect_seedid: str) -> bool:
+        self._expect_seedid_hex = expect_seedid
+        rv = self.rpc_wallet("dumphdinfo")
+        if rv["mnemonic"] != "":
+            entropy = Mnemonic("english").to_entropy(rv["mnemonic"].split(" "))
             entropy_hash = self.getAddressHashFromKey(entropy)[::-1].hex()
-            self._have_checked_seed = True
-            return entropy_hash == key_hash
-        except Exception as e:
-            self._log.warning('checkExpectedSeed failed: {}'.format(str(e)))
-        return False
+            have_expected_seed: bool = expect_seedid == entropy_hash
+        else:
+            have_expected_seed: bool = expect_seedid == self.getWalletSeedID()
+        self._have_checked_seed = True
+        return have_expected_seed
 
     def withdrawCoin(self, value, addr_to, subfee):
-        params = [addr_to, value, '', '', subfee, False, False, self._conf_target]
-        return self.rpc_wallet('sendtoaddress', params)
+        params = [addr_to, value, "", "", subfee, False, False, self._conf_target]
+        return self.rpc_wallet("sendtoaddress", params)
 
     def getSpendableBalance(self) -> int:
-        return self.make_int(self.rpc_wallet('getwalletinfo')['balance'])
+        return self.make_int(self.rpc_wallet("getwalletinfo")["balance"])
 
     def getScriptForPubkeyHash(self, pkh: bytes) -> bytearray:
         # Return P2PKH
@@ -66,29 +91,38 @@ class DASHInterface(BTCInterface):
         add_bytes = 107
         size = len(tx.serialize_with_witness()) + add_bytes
         pay_fee = round(fee_rate * size / 1000)
-        self._log.info(f'BLockSpendTx fee_rate, size, fee: {fee_rate}, {size}, {pay_fee}.')
+        self._log.info(
+            f"BLockSpendTx fee_rate, size, fee: {fee_rate}, {size}, {pay_fee}."
+        )
         return pay_fee
 
     def findTxnByHash(self, txid_hex: str):
         # Only works for wallet txns
         try:
-            rv = self.rpc_wallet('gettransaction', [txid_hex])
-        except Exception as ex:
-            self._log.debug('findTxnByHash getrawtransaction failed: {}'.format(txid_hex))
+            rv = self.rpc_wallet("gettransaction", [txid_hex])
+        except Exception as e:  # noqa: F841
+            self._log.debug(
+                "findTxnByHash getrawtransaction failed: {}".format(txid_hex)
+            )
             return None
-        if 'confirmations' in rv and rv['confirmations'] >= self.blocks_confirmed:
-            block_height = self.getBlockHeader(rv['blockhash'])['height']
-            return {'txid': txid_hex, 'amount': 0, 'height': block_height}
+        if "confirmations" in rv and rv["confirmations"] >= self.blocks_confirmed:
+            block_height = self.getBlockHeader(rv["blockhash"])["height"]
+            return {"txid": txid_hex, "amount": 0, "height": block_height}
 
         return None
 
     def unlockWallet(self, password: str):
         super().unlockWallet(password)
-        # Store password for initialiseWallet
-        self._wallet_passphrase = password
+        if self._wallet_v20_compatible:
+            # Store password for initialiseWallet
+            self._wallet_passphrase = password
         if not self._have_checked_seed:
-            self._sc.checkWalletSeed(self.coin_type())
+            try:
+                self._sc.checkWalletSeed(self.coin_type())
+            except Exception as ex:
+                # dumphdinfo can fail if the wallet is not initialised
+                self._log.debug(f"DASH checkWalletSeed failed: {ex}.")
 
     def lockWallet(self):
         super().lockWallet()
-        self._wallet_passphrase = ''
+        self._wallet_passphrase = ""

basicswap/interface/dcr/__init__.py

@@ -1,4 +1,5 @@
-
 from .dcr import DCRInterface
 
-__all__ = ['DCRInterface',]
+__all__ = [
+    "DCRInterface",
+]

basicswap/interface/dcr/messages.py

@@ -23,7 +23,7 @@ class SigHashType(IntEnum):
     SigHashSingle = 0x3
     SigHashAnyOneCanPay = 0x80
 
-    SigHashMask = 0x1f
+    SigHashMask = 0x1F
 
 
 class SignatureType(IntEnum):
@@ -33,7 +33,7 @@ class SignatureType(IntEnum):
 
 
 class COutPoint:
-    __slots__ = ('hash', 'n', 'tree')
+    __slots__ = ("hash", "n", "tree")
 
     def __init__(self, hash=0, n=0, tree=0):
         self.hash = hash
@@ -41,24 +41,30 @@ class COutPoint:
         self.tree = tree
 
     def get_hash(self) -> bytes:
-        return self.hash.to_bytes(32, 'big')
+        return self.hash.to_bytes(32, "big")
 
 
 class CTxIn:
-    __slots__ = ('prevout', 'sequence',
-                 'value_in', 'block_height', 'block_index', 'signature_script')  # Witness
+    __slots__ = (
+        "prevout",
+        "sequence",
+        "value_in",
+        "block_height",
+        "block_index",
+        "signature_script",
+    )  # Witness
 
     def __init__(self, prevout=COutPoint(), sequence=0):
         self.prevout = prevout
         self.sequence = sequence
         self.value_in = -1
         self.block_height = 0
-        self.block_index = 0xffffffff
+        self.block_index = 0xFFFFFFFF
         self.signature_script = bytes()
 
 
 class CTxOut:
-    __slots__ = ('value', 'version', 'script_pubkey')
+    __slots__ = ("value", "version", "script_pubkey")
 
     def __init__(self, value=0, script_pubkey=bytes()):
         self.value = value
@@ -67,7 +73,7 @@ class CTxOut:
 
 
 class CTransaction:
-    __slots__ = ('hash', 'version', 'vin', 'vout', 'locktime', 'expiry')
+    __slots__ = ("hash", "version", "vin", "vout", "locktime", "expiry")
 
     def __init__(self, tx=None):
         if tx is None:
@@ -85,8 +91,8 @@ class CTransaction:
 
     def deserialize(self, data: bytes) -> None:
 
-        version = int.from_bytes(data[:4], 'little')
-        self.version = version & 0xffff
+        version = int.from_bytes(data[:4], "little")
+        self.version = version & 0xFFFF
         ser_type: int = version >> 16
         o = 4
 
@@ -97,13 +103,13 @@ class CTransaction:
             for i in range(num_txin):
                 txi = CTxIn()
                 txi.prevout = COutPoint()
-                txi.prevout.hash = int.from_bytes(data[o:o + 32], 'little')
+                txi.prevout.hash = int.from_bytes(data[o : o + 32], "little")
                 o += 32
-                txi.prevout.n = int.from_bytes(data[o:o + 4], 'little')
+                txi.prevout.n = int.from_bytes(data[o : o + 4], "little")
                 o += 4
                 txi.prevout.tree = data[o]
                 o += 1
-                txi.sequence = int.from_bytes(data[o:o + 4], 'little')
+                txi.sequence = int.from_bytes(data[o : o + 4], "little")
                 o += 4
                 self.vin.append(txi)
 
@@ -112,19 +118,19 @@ class CTransaction:
 
             for i in range(num_txout):
                 txo = CTxOut()
-                txo.value = int.from_bytes(data[o:o + 8], 'little')
+                txo.value = int.from_bytes(data[o : o + 8], "little")
                 o += 8
-                txo.version = int.from_bytes(data[o:o + 2], 'little')
+                txo.version = int.from_bytes(data[o : o + 2], "little")
                 o += 2
                 script_bytes, nb = decode_compactsize(data, o)
                 o += nb
-                txo.script_pubkey = data[o:o + script_bytes]
+                txo.script_pubkey = data[o : o + script_bytes]
                 o += script_bytes
                 self.vout.append(txo)
 
-            self.locktime = int.from_bytes(data[o:o + 4], 'little')
+            self.locktime = int.from_bytes(data[o : o + 4], "little")
             o += 4
-            self.expiry = int.from_bytes(data[o:o + 4], 'little')
+            self.expiry = int.from_bytes(data[o : o + 4], "little")
             o += 4
 
         if ser_type == TxSerializeType.NoWitness:
@@ -137,51 +143,53 @@ class CTransaction:
             self.vin = [CTxIn() for _ in range(num_wit_scripts)]
         else:
             if num_wit_scripts != len(self.vin):
-                raise ValueError('non equal witness and prefix txin quantities')
+                raise ValueError("non equal witness and prefix txin quantities")
 
         for i in range(num_wit_scripts):
             txi = self.vin[i]
-            txi.value_in = int.from_bytes(data[o:o + 8], 'little')
+            txi.value_in = int.from_bytes(data[o : o + 8], "little")
             o += 8
-            txi.block_height = int.from_bytes(data[o:o + 4], 'little')
+            txi.block_height = int.from_bytes(data[o : o + 4], "little")
             o += 4
-            txi.block_index = int.from_bytes(data[o:o + 4], 'little')
+            txi.block_index = int.from_bytes(data[o : o + 4], "little")
             o += 4
             script_bytes, nb = decode_compactsize(data, o)
             o += nb
-            txi.signature_script = data[o:o + script_bytes]
+            txi.signature_script = data[o : o + script_bytes]
             o += script_bytes
 
     def serialize(self, ser_type=TxSerializeType.Full) -> bytes:
         data = bytes()
-        version = (self.version & 0xffff) | (ser_type << 16)
-        data += version.to_bytes(4, 'little')
+        version = (self.version & 0xFFFF) | (ser_type << 16)
+        data += version.to_bytes(4, "little")
 
         if ser_type == TxSerializeType.Full or ser_type == TxSerializeType.NoWitness:
             data += encode_compactsize(len(self.vin))
             for txi in self.vin:
-                data += txi.prevout.hash.to_bytes(32, 'little')
-                data += txi.prevout.n.to_bytes(4, 'little')
-                data += txi.prevout.tree.to_bytes(1, 'little')
-                data += txi.sequence.to_bytes(4, 'little')
+                data += txi.prevout.hash.to_bytes(32, "little")
+                data += txi.prevout.n.to_bytes(4, "little")
+                data += txi.prevout.tree.to_bytes(1, "little")
+                data += txi.sequence.to_bytes(4, "little")
 
             data += encode_compactsize(len(self.vout))
             for txo in self.vout:
-                data += txo.value.to_bytes(8, 'little')
-                data += txo.version.to_bytes(2, 'little')
+                data += txo.value.to_bytes(8, "little")
+                data += txo.version.to_bytes(2, "little")
                 data += encode_compactsize(len(txo.script_pubkey))
                 data += txo.script_pubkey
 
-            data += self.locktime.to_bytes(4, 'little')
-            data += self.expiry.to_bytes(4, 'little')
+            data += self.locktime.to_bytes(4, "little")
+            data += self.expiry.to_bytes(4, "little")
 
         if ser_type == TxSerializeType.Full or ser_type == TxSerializeType.OnlyWitness:
             data += encode_compactsize(len(self.vin))
             for txi in self.vin:
-                tc_value_in = txi.value_in & 0xffffffffffffffff  # Convert negative values
-                data += tc_value_in.to_bytes(8, 'little')
-                data += txi.block_height.to_bytes(4, 'little')
-                data += txi.block_index.to_bytes(4, 'little')
+                tc_value_in = (
+                    txi.value_in & 0xFFFFFFFFFFFFFFFF
+                )  # Convert negative values
+                data += tc_value_in.to_bytes(8, "little")
+                data += txi.block_height.to_bytes(4, "little")
+                data += txi.block_index.to_bytes(4, "little")
                 data += encode_compactsize(len(txi.signature_script))
                 data += txi.signature_script
 
@@ -191,10 +199,10 @@ class CTransaction:
         return blake256(self.serialize(TxSerializeType.NoWitness))[::-1]
 
     def TxHashWitness(self) -> bytes:
-        raise ValueError('todo')
+        raise ValueError("todo")
 
     def TxHashFull(self) -> bytes:
-        raise ValueError('todo')
+        raise ValueError("todo")
 
 
 def findOutput(tx, script_pk: bytes):

basicswap/interface/dcr/rpc.py

@@ -9,34 +9,34 @@ import traceback
 from basicswap.rpc import Jsonrpc
 
 
-def callrpc(rpc_port, auth, method, params=[], host='127.0.0.1'):
+def callrpc(rpc_port, auth, method, params=[], host="127.0.0.1"):
     try:
-        url = 'http://{}@{}:{}/'.format(auth, host, rpc_port)
+        url = "http://{}@{}:{}/".format(auth, host, rpc_port)
         x = Jsonrpc(url)
         x.__handler = None
         v = x.json_request(method, params)
         x.close()
-        r = json.loads(v.decode('utf-8'))
+        r = json.loads(v.decode("utf-8"))
     except Exception as ex:
         traceback.print_exc()
-        raise ValueError('RPC server error ' + str(ex) + ', method: ' + method)
+        raise ValueError("RPC server error " + str(ex) + ", method: " + method)
 
-    if 'error' in r and r['error'] is not None:
-        raise ValueError('RPC error ' + str(r['error']))
+    if "error" in r and r["error"] is not None:
+        raise ValueError("RPC error " + str(r["error"]))
 
-    return r['result']
+    return r["result"]
 
 
-def openrpc(rpc_port, auth, host='127.0.0.1'):
+def openrpc(rpc_port, auth, host="127.0.0.1"):
     try:
-        url = 'http://{}@{}:{}/'.format(auth, host, rpc_port)
+        url = "http://{}@{}:{}/".format(auth, host, rpc_port)
         return Jsonrpc(url)
     except Exception as ex:
         traceback.print_exc()
-        raise ValueError('RPC error ' + str(ex))
+        raise ValueError("RPC error " + str(ex))
 
 
-def make_rpc_func(port, auth, host='127.0.0.1'):
+def make_rpc_func(port, auth, host="127.0.0.1"):
     port = port
     auth = auth
     host = host
@@ -44,4 +44,5 @@ def make_rpc_func(port, auth, host='127.0.0.1'):
     def rpc_func(method, params=None):
         nonlocal port, auth, host
         return callrpc(port, auth, method, params, host)
+
     return rpc_func

basicswap/interface/dcr/script.py

@@ -7,7 +7,7 @@
 
 OP_0 = 0x00
 OP_DATA_1 = 0x01
-OP_1NEGATE = 0x4f
+OP_1NEGATE = 0x4F
 OP_1 = 0x51
 OP_IF = 0x63
 OP_ELSE = 0x67
@@ -16,13 +16,13 @@ OP_DROP = 0x75
 OP_DUP = 0x76
 OP_EQUAL = 0x87
 OP_EQUALVERIFY = 0x88
-OP_PUSHDATA1 = 0x4c
-OP_PUSHDATA2 = 0x4d
-OP_PUSHDATA4 = 0x4e
-OP_HASH160 = 0xa9
-OP_CHECKSIG = 0xac
-OP_CHECKMULTISIG = 0xae
-OP_CHECKSEQUENCEVERIFY = 0xb2
+OP_PUSHDATA1 = 0x4C
+OP_PUSHDATA2 = 0x4D
+OP_PUSHDATA4 = 0x4E
+OP_HASH160 = 0xA9
+OP_CHECKSIG = 0xAC
+OP_CHECKMULTISIG = 0xAE
+OP_CHECKSEQUENCEVERIFY = 0xB2
 
 
 def push_script_data(data_array: bytearray, data: bytes) -> None:
@@ -39,12 +39,12 @@ def push_script_data(data_array: bytearray, data: bytes) -> None:
         return
 
     if len_data < OP_PUSHDATA1:
-        data_array += len_data.to_bytes(1, 'little')
-    elif len_data <= 0xff:
+        data_array += len_data.to_bytes(1, "little")
+    elif len_data <= 0xFF:
         data_array += bytes((OP_PUSHDATA1, len_data))
-    elif len_data <= 0xffff:
-        data_array += bytes((OP_PUSHDATA2,)) + len_data.to_bytes(2, 'little')
+    elif len_data <= 0xFFFF:
+        data_array += bytes((OP_PUSHDATA2,)) + len_data.to_bytes(2, "little")
     else:
-        data_array += bytes((OP_PUSHDATA4,)) + len_data.to_bytes(4, 'little')
+        data_array += bytes((OP_PUSHDATA4,)) + len_data.to_bytes(4, "little")
 
     data_array += data

basicswap/interface/dcr/util.py

@@ -10,46 +10,48 @@ import subprocess
 
 
 def createDCRWallet(args, hex_seed, logging, delay_event):
-    logging.info('Creating DCR wallet')
+    logging.info("Creating DCR wallet")
 
     (pipe_r, pipe_w) = os.pipe()  # subprocess.PIPE is buffered, blocks when read
 
-    if os.name == 'nt':
-        str_args = ' '.join(args)
-        p = subprocess.Popen(str_args, shell=True, stdin=subprocess.PIPE, stdout=pipe_w, stderr=pipe_w)
+    if os.name == "nt":
+        str_args = " ".join(args)
+        p = subprocess.Popen(
+            str_args, shell=True, stdin=subprocess.PIPE, stdout=pipe_w, stderr=pipe_w
+        )
     else:
         p = subprocess.Popen(args, stdin=subprocess.PIPE, stdout=pipe_w, stderr=pipe_w)
 
     def readOutput():
-        buf = os.read(pipe_r, 1024).decode('utf-8')
+        buf = os.read(pipe_r, 1024).decode("utf-8")
         response = None
-        if 'Opened wallet' in buf:
+        if "Opened wallet" in buf:
             pass
-        elif 'Use the existing configured private passphrase' in buf:
-            response = b'y\n'
-        elif 'Do you want to add an additional layer of encryption' in buf:
-            response = b'n\n'
-        elif 'Do you have an existing wallet seed' in buf:
-            response = b'y\n'
-        elif 'Enter existing wallet seed' in buf:
-            response = (hex_seed + '\n').encode('utf-8')
-        elif 'Seed input successful' in buf:
+        elif "Use the existing configured private passphrase" in buf:
+            response = b"y\n"
+        elif "Do you want to add an additional layer of encryption" in buf:
+            response = b"n\n"
+        elif "Do you have an existing wallet seed" in buf:
+            response = b"y\n"
+        elif "Enter existing wallet seed" in buf:
+            response = (hex_seed + "\n").encode("utf-8")
+        elif "Seed input successful" in buf:
             pass
-        elif 'Upgrading database from version' in buf:
+        elif "Upgrading database from version" in buf:
             pass
-        elif 'Ticket commitments db upgrade done' in buf:
+        elif "Ticket commitments db upgrade done" in buf:
             pass
-        elif 'The wallet has been created successfully' in buf:
+        elif "The wallet has been created successfully" in buf:
             pass
         else:
-            raise ValueError(f'Unexpected output: {buf}')
+            raise ValueError(f"Unexpected output: {buf}")
         if response is not None:
             p.stdin.write(response)
             p.stdin.flush()
 
     try:
         while p.poll() is None:
-            if os.name == 'nt':
+            if os.name == "nt":
                 readOutput()
                 delay_event.wait(0.1)
                 continue
@@ -57,7 +59,7 @@ def createDCRWallet(args, hex_seed, logging, delay_event):
                 readOutput()
                 delay_event.wait(0.1)
     except Exception as e:
-        logging.error(f'dcrwallet --create failed: {e}')
+        logging.error(f"dcrwallet --create failed: {e}")
     finally:
         if p.poll() is None:
             p.terminate()

basicswap/interface/doge.py

@@ -0,0 +1,62 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2024 The BasicSwap developers
+# Distributed under the MIT software license, see the accompanying
+# file LICENSE or http://www.opensource.org/licenses/mit-license.php.
+
+from .btc import BTCInterface
+from basicswap.chainparams import Coins
+from basicswap.util.crypto import hash160
+
+from basicswap.contrib.test_framework.script import (
+    CScript,
+    OP_DUP,
+    OP_CHECKSIG,
+    OP_HASH160,
+    OP_EQUAL,
+    OP_EQUALVERIFY,
+)
+
+
+class DOGEInterface(BTCInterface):
+    @staticmethod
+    def coin_type():
+        return Coins.DOGE
+
+    @staticmethod
+    def est_lock_tx_vsize() -> int:
+        return 192
+
+    @staticmethod
+    def xmr_swap_b_lock_spend_tx_vsize() -> int:
+        return 192
+
+    def __init__(self, coin_settings, network, swap_client=None):
+        super(DOGEInterface, self).__init__(coin_settings, network, swap_client)
+
+    def getScriptDest(self, script: bytearray) -> bytearray:
+        # P2SH
+
+        script_hash = hash160(script)
+        assert len(script_hash) == 20
+
+        return CScript([OP_HASH160, script_hash, OP_EQUAL])
+
+    def getScriptForPubkeyHash(self, pkh: bytes) -> bytearray:
+        # Return P2PKH
+        return CScript([OP_DUP, OP_HASH160, pkh, OP_EQUALVERIFY, OP_CHECKSIG])
+
+    def encodeScriptDest(self, script_dest: bytes) -> str:
+        # Extract hash from script
+        script_hash = script_dest[2:-1]
+        return self.sh_to_address(script_hash)
+
+    def getBLockSpendTxFee(self, tx, fee_rate: int) -> int:
+        add_bytes = 107
+        size = len(tx.serialize_with_witness()) + add_bytes
+        pay_fee = round(fee_rate * size / 1000)
+        self._log.info(
+            f"BLockSpendTx fee_rate, size, fee: {fee_rate}, {size}, {pay_fee}."
+        )
+        return pay_fee

basicswap/interface/firo.py

@@ -2,6 +2,7 @@
 # -*- coding: utf-8 -*-
 
 # Copyright (c) 2022-2023 tecnovert
+# Copyright (c) 2024 The Basicswap developers
 # Distributed under the MIT software license, see the accompanying
 # file LICENSE or http://www.opensource.org/licenses/mit-license.php.
 
@@ -40,10 +41,15 @@ class FIROInterface(BTCInterface):
     def __init__(self, coin_settings, network, swap_client=None):
         super(FIROInterface, self).__init__(coin_settings, network, swap_client)
         # No multiwallet support
-        self.rpc_wallet = make_rpc_func(self._rpcport, self._rpcauth, host=self._rpc_host)
+        self.rpc_wallet = make_rpc_func(
+            self._rpcport, self._rpcauth, host=self._rpc_host
+        )
 
-    def getExchangeName(self, exchange_name):
-        return 'zcoin'
+        if "wallet_name" in coin_settings:
+            raise ValueError(f"Invalid setting for {self.coin_name()}: wallet_name")
+
+    def getExchangeName(self, exchange_name: str) -> str:
+        return "zcoin"
 
     def initialiseWallet(self, key):
         # load with -hdseed= parameter
@@ -52,8 +58,8 @@ class FIROInterface(BTCInterface):
     def checkWallets(self) -> int:
         return 1
 
-    def getNewAddress(self, use_segwit, label='swap_receive'):
-        return self.rpc('getnewaddress', [label])
+    def getNewAddress(self, use_segwit, label="swap_receive"):
+        return self.rpc("getnewaddress", [label])
         # addr_plain = self.rpc('getnewaddress', [label])
         # return self.rpc('addwitnessaddress', [addr_plain])
 
@@ -61,20 +67,20 @@ class FIROInterface(BTCInterface):
         return decodeAddress(address)[1:]
 
     def encodeSegwitAddress(self, script):
-        raise ValueError('TODO')
+        raise ValueError("TODO")
 
     def decodeSegwitAddress(self, addr):
-        raise ValueError('TODO')
+        raise ValueError("TODO")
 
     def isWatchOnlyAddress(self, address):
-        addr_info = self.rpc('validateaddress', [address])
-        return addr_info['iswatchonly']
+        addr_info = self.rpc("validateaddress", [address])
+        return addr_info["iswatchonly"]
 
     def isAddressMine(self, address: str, or_watch_only: bool = False) -> bool:
-        addr_info = self.rpc('validateaddress', [address])
+        addr_info = self.rpc("validateaddress", [address])
         if not or_watch_only:
-            return addr_info['ismine']
-        return addr_info['ismine'] or addr_info['iswatchonly']
+            return addr_info["ismine"]
+        return addr_info["ismine"] or addr_info["iswatchonly"]
 
     def getSCLockScriptAddress(self, lock_script: bytes) -> str:
         lock_tx_dest = self.getScriptDest(lock_script)
@@ -82,58 +88,85 @@ class FIROInterface(BTCInterface):
 
         if not self.isAddressMine(address, or_watch_only=True):
             # Expects P2WSH nested in BIP16_P2SH
-            ro = self.rpc('importaddress', [lock_tx_dest.hex(), 'bid lock', False, True])
-            addr_info = self.rpc('validateaddress', [address])
+            self.rpc("importaddress", [lock_tx_dest.hex(), "bid lock", False, True])
 
         return address
 
-    def getLockTxHeight(self, txid, dest_address, bid_amount, rescan_from, find_index: bool = False, vout: int = -1):
+    def getLockTxHeight(
+        self,
+        txid,
+        dest_address,
+        bid_amount,
+        rescan_from,
+        find_index: bool = False,
+        vout: int = -1,
+    ):
         # Add watchonly address and rescan if required
 
         if not self.isAddressMine(dest_address, or_watch_only=True):
-            self.importWatchOnlyAddress(dest_address, 'bid')
-            self._log.info('Imported watch-only addr: {}'.format(dest_address))
-            self._log.info('Rescanning {} chain from height: {}'.format(self.coin_name(), rescan_from))
+            self.importWatchOnlyAddress(dest_address, "bid")
+            self._log.info(
+                "Imported watch-only addr: {}".format(self._log.addr(dest_address))
+            )
+            self._log.info(
+                "Rescanning {} chain from height: {}".format(
+                    self.coin_name(), rescan_from
+                )
+            )
             self.rescanBlockchainForAddress(rescan_from, dest_address)
 
         return_txid = True if txid is None else False
         if txid is None:
-            txns = self.rpc('listunspent', [0, 9999999, [dest_address, ]])
+            txns = self.rpc(
+                "listunspent",
+                [
+                    0,
+                    9999999,
+                    [
+                        dest_address,
+                    ],
+                ],
+            )
 
             for tx in txns:
-                if self.make_int(tx['amount']) == bid_amount:
-                    txid = bytes.fromhex(tx['txid'])
+                if self.make_int(tx["amount"]) == bid_amount:
+                    txid = bytes.fromhex(tx["txid"])
                     break
 
         if txid is None:
             return None
 
         try:
-            tx = self.rpc('gettransaction', [txid.hex()])
+            tx = self.rpc("gettransaction", [txid.hex()])
 
             block_height = 0
-            if 'blockhash' in tx:
-                block_header = self.rpc('getblockheader', [tx['blockhash']])
-                block_height = block_header['height']
+            if "blockhash" in tx:
+                block_header = self.rpc("getblockheader", [tx["blockhash"]])
+                block_height = block_header["height"]
 
             rv = {
-                'depth': 0 if 'confirmations' not in tx else tx['confirmations'],
-                'height': block_height}
+                "depth": 0 if "confirmations" not in tx else tx["confirmations"],
+                "height": block_height,
+            }
 
         except Exception as e:
-            self._log.debug('getLockTxHeight gettransaction failed: %s, %s', txid.hex(), str(e))
+            self._log.debug(
+                "getLockTxHeight gettransaction failed: %s, %s", txid.hex(), str(e)
+            )
             return None
 
         if find_index:
-            tx_obj = self.rpc('decoderawtransaction', [tx['hex']])
-            rv['index'] = find_vout_for_address_from_txobj(tx_obj, dest_address)
+            tx_obj = self.rpc("decoderawtransaction", [tx["hex"]])
+            rv["index"] = find_vout_for_address_from_txobj(tx_obj, dest_address)
 
         if return_txid:
-            rv['txid'] = txid.hex()
+            rv["txid"] = txid.hex()
 
         return rv
 
-    def createSCLockTx(self, value: int, script: bytearray, vkbv: bytes = None) -> bytes:
+    def createSCLockTx(
+        self, value: int, script: bytearray, vkbv: bytes = None
+    ) -> bytes:
         tx = CTransaction()
         tx.nVersion = self.txVersion()
         tx.vout.append(self.txoType()(value, self.getScriptDest(script)))
@@ -144,24 +177,36 @@ class FIROInterface(BTCInterface):
         return self.fundTx(tx_bytes, feerate)
 
     def signTxWithWallet(self, tx):
-        rv = self.rpc('signrawtransaction', [tx.hex()])
-        return bytes.fromhex(rv['hex'])
+        rv = self.rpc("signrawtransaction", [tx.hex()])
+        return bytes.fromhex(rv["hex"])
 
-    def createRawFundedTransaction(self, addr_to: str, amount: int, sub_fee: bool = False, lock_unspents: bool = True) -> str:
-        txn = self.rpc('createrawtransaction', [[], {addr_to: self.format_amount(amount)}])
+    def createRawFundedTransaction(
+        self,
+        addr_to: str,
+        amount: int,
+        sub_fee: bool = False,
+        lock_unspents: bool = True,
+    ) -> str:
+        txn = self.rpc(
+            "createrawtransaction", [[], {addr_to: self.format_amount(amount)}]
+        )
         fee_rate, fee_src = self.get_fee_rate(self._conf_target)
-        self._log.debug(f'Fee rate: {fee_rate}, source: {fee_src}, block target: {self._conf_target}')
+        self._log.debug(
+            f"Fee rate: {fee_rate}, source: {fee_src}, block target: {self._conf_target}"
+        )
         options = {
-            'lockUnspents': lock_unspents,
-            'feeRate': fee_rate,
+            "lockUnspents": lock_unspents,
+            "feeRate": fee_rate,
         }
         if sub_fee:
-            options['subtractFeeFromOutputs'] = [0,]
-        return self.rpc('fundrawtransaction', [txn, options])['hex']
+            options["subtractFeeFromOutputs"] = [
+                0,
+            ]
+        return self.rpc("fundrawtransaction", [txn, options])["hex"]
 
     def createRawSignedTransaction(self, addr_to, amount) -> str:
         txn_funded = self.createRawFundedTransaction(addr_to, amount)
-        return self.rpc('signrawtransaction', [txn_funded])['hex']
+        return self.rpc("signrawtransaction", [txn_funded])["hex"]
 
     def getScriptForPubkeyHash(self, pkh: bytes) -> bytearray:
         # Return P2PKH
@@ -188,60 +233,75 @@ class FIROInterface(BTCInterface):
         return CScript([OP_HASH160, script_hash, OP_EQUAL])
 
     def withdrawCoin(self, value, addr_to, subfee):
-        params = [addr_to, value, '', '', subfee]
-        return self.rpc('sendtoaddress', params)
+        params = [addr_to, value, "", "", subfee]
+        return self.rpc("sendtoaddress", params)
 
     def getWalletSeedID(self):
-        return self.rpc('getwalletinfo')['hdmasterkeyid']
+        return self.rpc("getwalletinfo")["hdmasterkeyid"]
 
     def getSpendableBalance(self) -> int:
-        return self.make_int(self.rpc('getwalletinfo')['balance'])
+        return self.make_int(self.rpc("getwalletinfo")["balance"])
 
     def getBLockSpendTxFee(self, tx, fee_rate: int) -> int:
         add_bytes = 107
         size = len(tx.serialize_with_witness()) + add_bytes
         pay_fee = round(fee_rate * size / 1000)
-        self._log.info(f'BLockSpendTx fee_rate, size, fee: {fee_rate}, {size}, {pay_fee}.')
+        self._log.info(
+            f"BLockSpendTx fee_rate, size, fee: {fee_rate}, {size}, {pay_fee}."
+        )
         return pay_fee
 
     def signTxWithKey(self, tx: bytes, key: bytes) -> bytes:
         key_wif = self.encodeKey(key)
-        rv = self.rpc('signrawtransaction', [tx.hex(), [], [key_wif, ]])
-        return bytes.fromhex(rv['hex'])
+        rv = self.rpc(
+            "signrawtransaction",
+            [
+                tx.hex(),
+                [],
+                [
+                    key_wif,
+                ],
+            ],
+        )
+        return bytes.fromhex(rv["hex"])
 
     def findTxnByHash(self, txid_hex: str):
         # Only works for wallet txns
         try:
-            rv = self.rpc('gettransaction', [txid_hex])
-        except Exception as ex:
-            self._log.debug('findTxnByHash getrawtransaction failed: {}'.format(txid_hex))
+            rv = self.rpc("gettransaction", [txid_hex])
+        except Exception as e:  # noqa: F841
+            self._log.debug(
+                "findTxnByHash getrawtransaction failed: {}".format(txid_hex)
+            )
             return None
-        if 'confirmations' in rv and rv['confirmations'] >= self.blocks_confirmed:
-            block_height = self.getBlockHeader(rv['blockhash'])['height']
-            return {'txid': txid_hex, 'amount': 0, 'height': block_height}
+        if "confirmations" in rv and rv["confirmations"] >= self.blocks_confirmed:
+            block_height = self.getBlockHeader(rv["blockhash"])["height"]
+            return {"txid": txid_hex, "amount": 0, "height": block_height}
         return None
 
     def getProofOfFunds(self, amount_for, extra_commit_bytes):
         # TODO: Lock unspent and use same output/s to fund bid
 
         unspents_by_addr = dict()
-        unspents = self.rpc('listunspent')
+        unspents = self.rpc("listunspent")
         for u in unspents:
-            if u['spendable'] is not True:
+            if u["spendable"] is not True:
                 continue
-            if u['address'] not in unspents_by_addr:
-                unspents_by_addr[u['address']] = {'total': 0, 'utxos': []}
-            utxo_amount: int = self.make_int(u['amount'], r=1)
-            unspents_by_addr[u['address']]['total'] += utxo_amount
-            unspents_by_addr[u['address']]['utxos'].append((utxo_amount, u['txid'], u['vout']))
+            if u["address"] not in unspents_by_addr:
+                unspents_by_addr[u["address"]] = {"total": 0, "utxos": []}
+            utxo_amount: int = self.make_int(u["amount"], r=1)
+            unspents_by_addr[u["address"]]["total"] += utxo_amount
+            unspents_by_addr[u["address"]]["utxos"].append(
+                (utxo_amount, u["txid"], u["vout"])
+            )
 
         max_utxos: int = 4
 
         viable_addrs = []
         for addr, data in unspents_by_addr.items():
-            if data['total'] >= amount_for:
+            if data["total"] >= amount_for:
                 # Sort from largest to smallest amount
-                sorted_utxos = sorted(data['utxos'], key=lambda x: x[0])
+                sorted_utxos = sorted(data["utxos"], key=lambda x: x[0])
 
                 # Max outputs required to reach amount_for
                 utxos_req: int = 0
@@ -256,13 +316,17 @@ class FIROInterface(BTCInterface):
                     viable_addrs.append(addr)
                     continue
 
-        ensure(len(viable_addrs) > 0, 'Could not find address with enough funds for proof')
+        ensure(
+            len(viable_addrs) > 0, "Could not find address with enough funds for proof"
+        )
 
         sign_for_addr: str = random.choice(viable_addrs)
-        self._log.debug('sign_for_addr %s', sign_for_addr)
+        self._log.debug("sign_for_addr %s", sign_for_addr)
 
         prove_utxos = []
-        sorted_utxos = sorted(unspents_by_addr[sign_for_addr]['utxos'], key=lambda x: x[0])
+        sorted_utxos = sorted(
+            unspents_by_addr[sign_for_addr]["utxos"], key=lambda x: x[0]
+        )
 
         hasher = hashlib.sha256()
 
@@ -272,18 +336,29 @@ class FIROInterface(BTCInterface):
             outpoint = (bytes.fromhex(utxo[1]), utxo[2])
             prove_utxos.append(outpoint)
             hasher.update(outpoint[0])
-            hasher.update(outpoint[1].to_bytes(2, 'big'))
+            hasher.update(outpoint[1].to_bytes(2, "big"))
             if sum_value >= amount_for:
                 break
         utxos_hash = hasher.digest()
 
-        if self.using_segwit():  # TODO: Use isSegwitAddress when scantxoutset can use combo
+        if (
+            self.using_segwit()
+        ):  # TODO: Use isSegwitAddress when scantxoutset can use combo
             # 'Address does not refer to key' for non p2pkh
             pkh = self.decodeAddress(sign_for_addr)
             sign_for_addr = self.pkh_to_address(pkh)
-            self._log.debug('sign_for_addr converted %s', sign_for_addr)
+            self._log.debug("sign_for_addr converted %s", sign_for_addr)
 
-        signature = self.rpc('signmessage', [sign_for_addr, sign_for_addr + '_swap_proof_' + utxos_hash.hex() + extra_commit_bytes.hex()])
+        signature = self.rpc(
+            "signmessage",
+            [
+                sign_for_addr,
+                sign_for_addr
+                + "_swap_proof_"
+                + utxos_hash.hex()
+                + extra_commit_bytes.hex(),
+            ],
+        )
 
         return (sign_for_addr, signature, prove_utxos)
 
@@ -292,19 +367,23 @@ class FIROInterface(BTCInterface):
         sum_value: int = 0
         for outpoint in utxos:
             hasher.update(outpoint[0])
-            hasher.update(outpoint[1].to_bytes(2, 'big'))
+            hasher.update(outpoint[1].to_bytes(2, "big"))
         utxos_hash = hasher.digest()
 
-        passed = self.verifyMessage(address, address + '_swap_proof_' + utxos_hash.hex() + extra_commit_bytes.hex(), signature)
-        ensure(passed is True, 'Proof of funds signature invalid')
+        passed = self.verifyMessage(
+            address,
+            address + "_swap_proof_" + utxos_hash.hex() + extra_commit_bytes.hex(),
+            signature,
+        )
+        ensure(passed is True, "Proof of funds signature invalid")
 
         if self.using_segwit():
             address = self.encodeSegwitAddress(decodeAddress(address)[1:])
 
         sum_value: int = 0
         for outpoint in utxos:
-            txout = self.rpc('gettxout', [outpoint[0].hex(), outpoint[1]])
-            sum_value += self.make_int(txout['value'])
+            txout = self.rpc("gettxout", [outpoint[0].hex(), outpoint[1]])
+            sum_value += self.make_int(txout["value"])
 
         return sum_value
 
@@ -314,15 +393,15 @@ class FIROInterface(BTCInterface):
         chain_blocks: int = self.getChainHeight()
 
         current_height: int = chain_blocks
-        block_hash = self.rpc('getblockhash', [current_height])
+        block_hash = self.rpc("getblockhash", [current_height])
 
         script_hash: bytes = self.decodeAddress(addr_find)
         find_scriptPubKey = self.getDestForScriptHash(script_hash)
 
         while current_height > height_start:
-            block_hash = self.rpc('getblockhash', [current_height])
+            block_hash = self.rpc("getblockhash", [current_height])
 
-            block = self.rpc('getblock', [block_hash, False])
+            block = self.rpc("getblock", [block_hash, False])
             decoded_block = CBlock()
             decoded_block = FromHex(decoded_block, block)
             for tx in decoded_block.vtx:
@@ -330,38 +409,46 @@ class FIROInterface(BTCInterface):
                     if txo.scriptPubKey == find_scriptPubKey:
                         tx.rehash()
                         txid = i2b(tx.sha256)
-                        self._log.info('Found output to addr: {} in tx {} in block {}'.format(addr_find, txid.hex(), block_hash))
-                        self._log.info('rescanblockchain hack invalidateblock {}'.format(block_hash))
-                        self.rpc('invalidateblock', [block_hash])
-                        self.rpc('reconsiderblock', [block_hash])
+                        self._log.info(
+                            "Found output to addr: {} in tx {} in block {}".format(
+                                addr_find, txid.hex(), block_hash
+                            )
+                        )
+                        self._log.info(
+                            "rescanblockchain hack invalidateblock {}".format(
+                                block_hash
+                            )
+                        )
+                        self.rpc("invalidateblock", [block_hash])
+                        self.rpc("reconsiderblock", [block_hash])
                         return
             current_height -= 1
 
     def getBlockWithTxns(self, block_hash: str):
         # TODO: Bypass decoderawtransaction and getblockheader
-        block = self.rpc('getblock', [block_hash, False])
-        block_header = self.rpc('getblockheader', [block_hash])
+        block = self.rpc("getblock", [block_hash, False])
+        block_header = self.rpc("getblockheader", [block_hash])
         decoded_block = CBlock()
         decoded_block = FromHex(decoded_block, block)
 
         tx_rv = []
         for tx in decoded_block.vtx:
             tx_hex = tx.serialize_with_witness().hex()
-            tx_dec = self.rpc('decoderawtransaction', [tx_hex])
-            if 'hex' not in tx_dec:
-                tx_dec['hex'] = tx_hex
+            tx_dec = self.rpc("decoderawtransaction", [tx_hex])
+            if "hex" not in tx_dec:
+                tx_dec["hex"] = tx_hex
 
             tx_rv.append(tx_dec)
 
         block_rv = {
-            'hash': block_hash,
-            'previousblockhash': block_header['previousblockhash'],
-            'tx': tx_rv,
-            'confirmations': block_header['confirmations'],
-            'height': block_header['height'],
-            'time': block_header['time'],
-            'version': block_header['version'],
-            'merkleroot': block_header['merkleroot'],
+            "hash": block_hash,
+            "previousblockhash": block_header["previousblockhash"],
+            "tx": tx_rv,
+            "confirmations": block_header["confirmations"],
+            "height": block_header["height"],
+            "time": block_header["time"],
+            "version": block_header["version"],
+            "merkleroot": block_header["merkleroot"],
         }
 
         return block_rv

basicswap/interface/ltc.py

@@ -2,6 +2,7 @@
 # -*- coding: utf-8 -*-
 
 # Copyright (c) 2020-2023 tecnovert
+# Copyright (c) 2024-2025 The Basicswap developers
 # Distributed under the MIT software license, see the accompanying
 # file LICENSE or http://www.opensource.org/licenses/mit-license.php.
 
@@ -17,75 +18,86 @@ class LTCInterface(BTCInterface):
 
     def __init__(self, coin_settings, network, swap_client=None):
         super(LTCInterface, self).__init__(coin_settings, network, swap_client)
-        self._rpc_wallet_mweb = 'mweb'
-        self.rpc_wallet_mweb = make_rpc_func(self._rpcport, self._rpcauth, host=self._rpc_host, wallet=self._rpc_wallet_mweb)
+        self._rpc_wallet_mweb = coin_settings.get("mweb_wallet_name", "mweb")
+        self.rpc_wallet_mweb = make_rpc_func(
+            self._rpcport,
+            self._rpcauth,
+            host=self._rpc_host,
+            wallet=self._rpc_wallet_mweb,
+        )
 
-    def getNewMwebAddress(self, use_segwit=False, label='swap_receive') -> str:
-        return self.rpc_wallet_mweb('getnewaddress', [label, 'mweb'])
+    def getNewMwebAddress(self, use_segwit=False, label="swap_receive") -> str:
+        return self.rpc_wallet_mweb("getnewaddress", [label, "mweb"])
 
-    def getNewStealthAddress(self, label=''):
+    def getNewStealthAddress(self, label=""):
         return self.getNewMwebAddress(False, label)
 
     def withdrawCoin(self, value, type_from: str, addr_to: str, subfee: bool) -> str:
-        params = [addr_to, value, '', '', subfee, True, self._conf_target]
-        if type_from == 'mweb':
-            return self.rpc_wallet_mweb('sendtoaddress', params)
-        return self.rpc_wallet('sendtoaddress', params)
+        params = [addr_to, value, "", "", subfee, True, self._conf_target]
+        if type_from == "mweb":
+            return self.rpc_wallet_mweb("sendtoaddress", params)
+        return self.rpc_wallet("sendtoaddress", params)
 
     def createUTXO(self, value_sats: int):
         # Create a new address and send value_sats to it
 
         spendable_balance = self.getSpendableBalance()
         if spendable_balance < value_sats:
-            raise ValueError('Balance too low')
+            raise ValueError("Balance too low")
 
-        address = self.getNewAddress(self._use_segwit, 'create_utxo')
-        return self.withdrawCoin(self.format_amount(value_sats), 'plain', address, False), address
+        address = self.getNewAddress(self._use_segwit, "create_utxo")
+        return (
+            self.withdrawCoin(self.format_amount(value_sats), "plain", address, False),
+            address,
+        )
 
     def getWalletInfo(self):
         rv = super(LTCInterface, self).getWalletInfo()
-
-        mweb_info = self.rpc_wallet_mweb('getwalletinfo')
-        rv['mweb_balance'] = mweb_info['balance']
-        rv['mweb_unconfirmed'] = mweb_info['unconfirmed_balance']
-        rv['mweb_immature'] = mweb_info['immature_balance']
+        mweb_info = self.rpc_wallet_mweb("getwalletinfo")
+        rv["mweb_balance"] = mweb_info["balance"]
+        rv["mweb_unconfirmed"] = mweb_info["unconfirmed_balance"]
+        rv["mweb_immature"] = mweb_info["immature_balance"]
         return rv
 
     def getUnspentsByAddr(self):
         unspent_addr = dict()
-        unspent = self.rpc_wallet('listunspent')
+        unspent = self.rpc_wallet("listunspent")
         for u in unspent:
-            if u.get('spendable', False) is False:
+            if u.get("spendable", False) is False:
                 continue
-            if u.get('solvable', False) is False:  # Filter out mweb outputs
+            if u.get("solvable", False) is False:  # Filter out mweb outputs
                 continue
-            if 'address' not in u:
+            if "address" not in u:
                 continue
-            if 'desc' in u:
-                desc = u['desc']
+            if "desc" in u:
+                desc = u["desc"]
                 if self.using_segwit:
                     if self.use_p2shp2wsh():
-                        if not desc.startswith('sh(wpkh'):
+                        if not desc.startswith("sh(wpkh"):
                             continue
                     else:
-                        if not desc.startswith('wpkh'):
+                        if not desc.startswith("wpkh"):
                             continue
                 else:
-                    if not desc.startswith('pkh'):
+                    if not desc.startswith("pkh"):
                         continue
-            unspent_addr[u['address']] = unspent_addr.get(u['address'], 0) + self.make_int(u['amount'], r=1)
+            unspent_addr[u["address"]] = unspent_addr.get(
+                u["address"], 0
+            ) + self.make_int(u["amount"], r=1)
         return unspent_addr
 
 
 class LTCInterfaceMWEB(LTCInterface):
-    @staticmethod
-    def coin_type():
+
+    def interface_type(self) -> int:
         return Coins.LTC_MWEB
 
     def __init__(self, coin_settings, network, swap_client=None):
         super(LTCInterfaceMWEB, self).__init__(coin_settings, network, swap_client)
-        self._rpc_wallet = 'mweb'
-        self.rpc_wallet = make_rpc_func(self._rpcport, self._rpcauth, host=self._rpc_host, wallet=self._rpc_wallet)
+        self._rpc_wallet = coin_settings.get("mweb_wallet_name", "mweb")
+        self.rpc_wallet = make_rpc_func(
+            self._rpcport, self._rpcauth, host=self._rpc_host, wallet=self._rpc_wallet
+        )
 
     def chainparams(self):
         return chainparams[Coins.LTC]
@@ -95,56 +107,54 @@ class LTCInterfaceMWEB(LTCInterface):
 
     def coin_name(self) -> str:
         coin_chainparams = chainparams[Coins.LTC]
-        if coin_chainparams.get('use_ticker_as_name', False):
-            return coin_chainparams['ticker'] + ' MWEB'
-        return coin_chainparams['name'].capitalize() + ' MWEB'
+        return coin_chainparams["name"].capitalize() + " MWEB"
 
     def ticker(self) -> str:
-        ticker = chainparams[Coins.LTC]['ticker']
-        if self._network == 'testnet':
-            ticker = 't' + ticker
-        elif self._network == 'regtest':
-            ticker = 'rt' + ticker
-        return ticker + '_MWEB'
+        ticker = chainparams[Coins.LTC]["ticker"]
+        if self._network == "testnet":
+            ticker = "t" + ticker
+        elif self._network == "regtest":
+            ticker = "rt" + ticker
+        return ticker + "_MWEB"
 
-    def getNewAddress(self, use_segwit=False, label='swap_receive') -> str:
+    def getNewAddress(self, use_segwit=False, label="swap_receive") -> str:
         return self.getNewMwebAddress()
 
     def has_mweb_wallet(self) -> bool:
-        return 'mweb' in self.rpc('listwallets')
+        return "mweb" in self.rpc("listwallets")
 
     def init_wallet(self, password=None):
         # If system is encrypted mweb wallet will be created at first unlock
 
-        self._log.info('init_wallet - {}'.format(self.ticker()))
+        self._log.info("init_wallet - {}".format(self.ticker()))
 
-        self._log.info('Creating mweb wallet for {}.'.format(self.coin_name()))
+        self._log.info(f"Creating wallet {self._rpc_wallet} for {self.coin_name()}.")
         # wallet_name, disable_private_keys, blank, passphrase, avoid_reuse, descriptors, load_on_startup
-        self.rpc('createwallet', ['mweb', False, True, password, False, False, True])
+        self.rpc("createwallet", ["mweb", False, True, password, False, False, True])
 
         if password is not None:
             # Max timeout value, ~3 years
-            self.rpc_wallet('walletpassphrase', [password, 100000000])
+            self.rpc_wallet("walletpassphrase", [password, 100000000])
 
-        if self.getWalletSeedID() == 'Not found':
-            self._sc.initialiseWallet(self.coin_type())
+        if self.getWalletSeedID() == "Not found":
+            self._sc.initialiseWallet(self.interface_type())
 
             # Workaround to trigger mweb_spk_man->LoadMWEBKeychain()
-            self.rpc('unloadwallet', ['mweb'])
-            self.rpc('loadwallet', ['mweb'])
+            self.rpc("unloadwallet", ["mweb"])
+            self.rpc("loadwallet", ["mweb"])
             if password is not None:
-                self.rpc_wallet('walletpassphrase', [password, 100000000])
-            self.rpc_wallet('keypoolrefill')
+                self.rpc_wallet("walletpassphrase", [password, 100000000])
+            self.rpc_wallet("keypoolrefill")
 
     def unlockWallet(self, password: str):
-        if password == '':
+        if password == "":
             return
-        self._log.info('unlockWallet - {}'.format(self.ticker()))
+        self._log.info("unlockWallet - {}".format(self.ticker()))
 
         if not self.has_mweb_wallet():
             self.init_wallet(password)
         else:
             # Max timeout value, ~3 years
-            self.rpc_wallet('walletpassphrase', [password, 100000000])
+            self.rpc_wallet("walletpassphrase", [password, 100000000])
 
         self._sc.checkWalletSeed(self.coin_type())

basicswap/interface/nmc.py

@@ -14,26 +14,38 @@ class NMCInterface(BTCInterface):
     def coin_type():
         return Coins.NMC
 
-    def getLockTxHeight(self, txid, dest_address, bid_amount, rescan_from, find_index: bool = False, vout: int = -1):
-        self._log.debug('[rm] scantxoutset start')  # scantxoutset is slow
-        ro = self.rpc('scantxoutset', ['start', ['addr({})'.format(dest_address)]])  # TODO: Use combo(address) where possible
-        self._log.debug('[rm] scantxoutset end')
+    def getLockTxHeight(
+        self,
+        txid,
+        dest_address,
+        bid_amount,
+        rescan_from,
+        find_index: bool = False,
+        vout: int = -1,
+    ):
+        self._log.debug("[rm] scantxoutset start")  # scantxoutset is slow
+        ro = self.rpc(
+            "scantxoutset", ["start", ["addr({})".format(dest_address)]]
+        )  # TODO: Use combo(address) where possible
+        self._log.debug("[rm] scantxoutset end")
         return_txid = True if txid is None else False
-        for o in ro['unspents']:
-            if txid and o['txid'] != txid.hex():
+        for o in ro["unspents"]:
+            if txid and o["txid"] != txid.hex():
                 continue
             # Verify amount
-            if self.make_int(o['amount']) != int(bid_amount):
-                self._log.warning('Found output to lock tx address of incorrect value: %s, %s', str(o['amount']), o['txid'])
+            if self.make_int(o["amount"]) != int(bid_amount):
+                self._log.warning(
+                    "Found output to lock tx address of incorrect value: %s, %s",
+                    str(o["amount"]),
+                    o["txid"],
+                )
                 continue
 
-            rv = {
-                'depth': 0,
-                'height': o['height']}
-            if o['height'] > 0:
-                rv['depth'] = ro['height'] - o['height']
+            rv = {"depth": 0, "height": o["height"]}
+            if o["height"] > 0:
+                rv["depth"] = ro["height"] - o["height"]
             if find_index:
-                rv['index'] = o['vout']
+                rv["index"] = o["vout"]
             if return_txid:
-                rv['txid'] = o['txid']
+                rv["txid"] = o["txid"]
             return rv

basicswap/interface/passthrough_btc.py

@@ -6,8 +6,7 @@
 # file LICENSE or http://www.opensource.org/licenses/mit-license.php.
 
 from .btc import BTCInterface
-from basicswap.contrib.test_framework.messages import (
-    CTxOut)
+from basicswap.contrib.test_framework.messages import CTxOut
 
 
 class PassthroughBTCInterface(BTCInterface):
@@ -15,5 +14,5 @@ class PassthroughBTCInterface(BTCInterface):
         super().__init__(coin_settings, network)
         self.txoType = CTxOut
         self._network = network
-        self.blocks_confirmed = coin_settings['blocks_confirmed']
-        self.setConfTarget(coin_settings['conf_target'])
+        self.blocks_confirmed = coin_settings["blocks_confirmed"]
+        self.setConfTarget(coin_settings["conf_target"])

basicswap/interface/pivx.py

@@ -2,6 +2,7 @@
 # -*- coding: utf-8 -*-
 
 # Copyright (c) 2022 tecnovert
+# Copyright (c) 2024 The Basicswap developers
 # Distributed under the MIT software license, see the accompanying
 # file LICENSE or http://www.opensource.org/licenses/mit-license.php.
 
@@ -11,11 +12,7 @@ from .btc import BTCInterface
 from basicswap.rpc import make_rpc_func
 from basicswap.chainparams import Coins
 from basicswap.util.address import decodeAddress
-from .contrib.pivx_test_framework.messages import (
-    CBlock,
-    ToHex,
-    FromHex,
-    CTransaction)
+from .contrib.pivx_test_framework.messages import CBlock, ToHex, FromHex, CTransaction
 from basicswap.contrib.test_framework.script import (
     CScript,
     OP_DUP,
@@ -33,65 +30,79 @@ class PIVXInterface(BTCInterface):
     def __init__(self, coin_settings, network, swap_client=None):
         super(PIVXInterface, self).__init__(coin_settings, network, swap_client)
         # No multiwallet support
-        self.rpc_wallet = make_rpc_func(self._rpcport, self._rpcauth, host=self._rpc_host)
+        self.rpc_wallet = make_rpc_func(
+            self._rpcport, self._rpcauth, host=self._rpc_host
+        )
 
     def checkWallets(self) -> int:
         return 1
 
     def signTxWithWallet(self, tx):
-        rv = self.rpc('signrawtransaction', [tx.hex()])
-        return bytes.fromhex(rv['hex'])
+        rv = self.rpc("signrawtransaction", [tx.hex()])
+        return bytes.fromhex(rv["hex"])
 
-    def createRawFundedTransaction(self, addr_to: str, amount: int, sub_fee: bool = False, lock_unspents: bool = True) -> str:
-        txn = self.rpc('createrawtransaction', [[], {addr_to: self.format_amount(amount)}])
+    def createRawFundedTransaction(
+        self,
+        addr_to: str,
+        amount: int,
+        sub_fee: bool = False,
+        lock_unspents: bool = True,
+    ) -> str:
+        txn = self.rpc(
+            "createrawtransaction", [[], {addr_to: self.format_amount(amount)}]
+        )
         fee_rate, fee_src = self.get_fee_rate(self._conf_target)
-        self._log.debug(f'Fee rate: {fee_rate}, source: {fee_src}, block target: {self._conf_target}')
+        self._log.debug(
+            f"Fee rate: {fee_rate}, source: {fee_src}, block target: {self._conf_target}"
+        )
         options = {
-            'lockUnspents': lock_unspents,
-            'feeRate': fee_rate,
+            "lockUnspents": lock_unspents,
+            "feeRate": fee_rate,
         }
         if sub_fee:
-            options['subtractFeeFromOutputs'] = [0,]
-        return self.rpc('fundrawtransaction', [txn, options])['hex']
+            options["subtractFeeFromOutputs"] = [
+                0,
+            ]
+        return self.rpc("fundrawtransaction", [txn, options])["hex"]
 
     def createRawSignedTransaction(self, addr_to, amount) -> str:
         txn_funded = self.createRawFundedTransaction(addr_to, amount)
-        return self.rpc('signrawtransaction', [txn_funded])['hex']
+        return self.rpc("signrawtransaction", [txn_funded])["hex"]
 
     def decodeAddress(self, address):
         return decodeAddress(address)[1:]
 
     def getBlockWithTxns(self, block_hash):
         # TODO: Bypass decoderawtransaction and getblockheader
-        block = self.rpc('getblock', [block_hash, False])
-        block_header = self.rpc('getblockheader', [block_hash])
+        block = self.rpc("getblock", [block_hash, False])
+        block_header = self.rpc("getblockheader", [block_hash])
         decoded_block = CBlock()
         decoded_block = FromHex(decoded_block, block)
 
         tx_rv = []
         for tx in decoded_block.vtx:
-            tx_dec = self.rpc('decoderawtransaction', [ToHex(tx)])
+            tx_dec = self.rpc("decoderawtransaction", [ToHex(tx)])
             tx_rv.append(tx_dec)
 
         block_rv = {
-            'hash': block_hash,
-            'previousblockhash': block_header['previousblockhash'],
-            'tx': tx_rv,
-            'confirmations': block_header['confirmations'],
-            'height': block_header['height'],
-            'time': block_header['time'],
-            'version': block_header['version'],
-            'merkleroot': block_header['merkleroot'],
+            "hash": block_hash,
+            "previousblockhash": block_header["previousblockhash"],
+            "tx": tx_rv,
+            "confirmations": block_header["confirmations"],
+            "height": block_header["height"],
+            "time": block_header["time"],
+            "version": block_header["version"],
+            "merkleroot": block_header["merkleroot"],
         }
 
         return block_rv
 
     def withdrawCoin(self, value, addr_to, subfee):
-        params = [addr_to, value, '', '', subfee]
-        return self.rpc('sendtoaddress', params)
+        params = [addr_to, value, "", "", subfee]
+        return self.rpc("sendtoaddress", params)
 
     def getSpendableBalance(self) -> int:
-        return self.make_int(self.rpc('getwalletinfo')['balance'])
+        return self.make_int(self.rpc("getwalletinfo")["balance"])
 
     def loadTx(self, tx_bytes):
         # Load tx from bytes to internal representation
@@ -107,22 +118,35 @@ class PIVXInterface(BTCInterface):
         add_bytes = 107
         size = len(tx.serialize_with_witness()) + add_bytes
         pay_fee = round(fee_rate * size / 1000)
-        self._log.info(f'BLockSpendTx fee_rate, size, fee: {fee_rate}, {size}, {pay_fee}.')
+        self._log.info(
+            f"BLockSpendTx fee_rate, size, fee: {fee_rate}, {size}, {pay_fee}."
+        )
         return pay_fee
 
     def signTxWithKey(self, tx: bytes, key: bytes) -> bytes:
         key_wif = self.encodeKey(key)
-        rv = self.rpc('signrawtransaction', [tx.hex(), [], [key_wif, ]])
-        return bytes.fromhex(rv['hex'])
+        rv = self.rpc(
+            "signrawtransaction",
+            [
+                tx.hex(),
+                [],
+                [
+                    key_wif,
+                ],
+            ],
+        )
+        return bytes.fromhex(rv["hex"])
 
     def findTxnByHash(self, txid_hex: str):
         # Only works for wallet txns
         try:
-            rv = self.rpc('gettransaction', [txid_hex])
-        except Exception as ex:
-            self._log.debug('findTxnByHash getrawtransaction failed: {}'.format(txid_hex))
+            rv = self.rpc("gettransaction", [txid_hex])
+        except Exception as e:  # noqa: F841
+            self._log.debug(
+                "findTxnByHash getrawtransaction failed: {}".format(txid_hex)
+            )
             return None
-        if 'confirmations' in rv and rv['confirmations'] >= self.blocks_confirmed:
-            block_height = self.getBlockHeader(rv['blockhash'])['height']
-            return {'txid': txid_hex, 'amount': 0, 'height': block_height}
+        if "confirmations" in rv and rv["confirmations"] >= self.blocks_confirmed:
+            block_height = self.getBlockHeader(rv["blockhash"])["height"]
+            return {"txid": txid_hex, "amount": 0, "height": block_height}
         return None

basicswap/interface/wow.py

@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
+# Copyright (c) 2024 The Basicswap developers
 # Distributed under the MIT software license, see the accompanying
 # file LICENSE or http://www.opensource.org/licenses/mit-license.php.
 
@@ -25,3 +26,7 @@ class WOWInterface(XMRInterface):
     @staticmethod
     def exp() -> int:
         return 11
+
+    @staticmethod
+    def depth_spendable() -> int:
+        return 3

basicswap/interface/xmr.py

@@ -2,10 +2,10 @@
 # -*- coding: utf-8 -*-
 
 # Copyright (c) 2020-2024 tecnovert
+# Copyright (c) 2024-2025 The Basicswap developers
 # Distributed under the MIT software license, see the accompanying
 # file LICENSE or http://www.opensource.org/licenses/mit-license.php.
 
-import json
 import logging
 
 import basicswap.contrib.ed25519_fast as edf
@@ -27,16 +27,9 @@ from coincurve.dleag import (
 from basicswap.interface.base import (
     Curves,
 )
-from basicswap.util import (
-    i2b, b2i, b2h,
-    dumpj,
-    ensure,
-    TemporaryError)
-from basicswap.util.network import (
-    is_private_ip_address)
-from basicswap.rpc_xmr import (
-    make_xmr_rpc_func,
-    make_xmr_rpc2_func)
+from basicswap.util import i2b, b2i, b2h, dumpj, ensure, TemporaryError
+from basicswap.util.network import is_private_ip_address
+from basicswap.rpc_xmr import make_xmr_rpc_func, make_xmr_rpc2_func
 from basicswap.chainparams import XMR_COIN, Coins
 from basicswap.interface.base import CoinInterface
 
@@ -76,95 +69,167 @@ class XMRInterface(CoinInterface):
 
     @staticmethod
     def xmr_swap_a_lock_spend_tx_vsize() -> int:
-        raise ValueError('Not possible')
+        raise ValueError("Not possible")
+
+    @staticmethod
+    def est_lock_tx_vsize() -> int:
+        # TODO: Estimate with ringsize
+        return 1604
 
     @staticmethod
     def xmr_swap_b_lock_spend_tx_vsize() -> int:
         # TODO: Estimate with ringsize
         return 1604
 
+    def is_transient_error(self, ex) -> bool:
+        str_error: str = str(ex).lower()
+        if "failed to get earliest fork height" in str_error:
+            return True
+        return super().is_transient_error(ex)
+
     def __init__(self, coin_settings, network, swap_client=None):
         super().__init__(network)
 
-        self._addr_prefix = self.chainparams_network()['address_prefix']
+        self._addr_prefix = self.chainparams_network()["address_prefix"]
 
-        self.blocks_confirmed = coin_settings['blocks_confirmed']
-        self._restore_height = coin_settings.get('restore_height', 0)
-        self.setFeePriority(coin_settings.get('fee_priority', 0))
+        self.blocks_confirmed = coin_settings["blocks_confirmed"]
+        self._restore_height = coin_settings.get("restore_height", 0)
+        self.setFeePriority(coin_settings.get("fee_priority", 0))
         self._sc = swap_client
         self._log = self._sc.log if self._sc and self._sc.log else logging
         self._wallet_password = None
         self._have_checked_seed = False
+        self._wallet_filename = coin_settings.get("wallet_name", "swap_wallet")
 
         daemon_login = None
-        if coin_settings.get('rpcuser', '') != '':
-            daemon_login = (coin_settings.get('rpcuser', ''), coin_settings.get('rpcpassword', ''))
+        if coin_settings.get("rpcuser", "") != "":
+            daemon_login = (
+                coin_settings.get("rpcuser", ""),
+                coin_settings.get("rpcpassword", ""),
+            )
 
-        rpchost = coin_settings.get('rpchost', '127.0.0.1')
+        rpchost = coin_settings.get("rpchost", "127.0.0.1")
         proxy_host = None
         proxy_port = None
         # Connect to the daemon over a proxy if not running locally
         if swap_client:
             chain_client_settings = swap_client.getChainClientSettings(self.coin_type())
-            manage_daemon: bool = chain_client_settings['manage_daemon']
+            manage_daemon: bool = chain_client_settings["manage_daemon"]
             if swap_client.use_tor_proxy:
                 if manage_daemon is False:
-                    log_str: str = ''
-                    have_cc_tor_opt = 'use_tor' in chain_client_settings
-                    if have_cc_tor_opt and chain_client_settings['use_tor'] is False:
-                        log_str = ' bypassing proxy (use_tor false for XMR)'
+                    log_str: str = ""
+                    have_cc_tor_opt = "use_tor" in chain_client_settings
+                    if have_cc_tor_opt and chain_client_settings["use_tor"] is False:
+                        log_str = (
+                            f" bypassing proxy (use_tor false for {self.coin_name()})"
+                        )
                     elif have_cc_tor_opt is False and is_private_ip_address(rpchost):
-                        log_str = ' bypassing proxy (private ip address)'
+                        log_str = " bypassing proxy (private ip address)"
                     else:
                         proxy_host = swap_client.tor_proxy_host
                         proxy_port = swap_client.tor_proxy_port
-                        log_str = f' through proxy at {proxy_host}'
-                    self._log.info(f'Connecting to remote {self.coin_name()} daemon at {rpchost}{log_str}.')
+                        log_str = f" through proxy at {proxy_host}"
+                    self._log.info(
+                        f"Connecting to remote {self.coin_name()} daemon at {rpchost}{log_str}."
+                    )
                 else:
-                    self._log.info(f'Not connecting to local {self.coin_name()} daemon through proxy.')
+                    self._log.info(
+                        f"Not connecting to local {self.coin_name()} daemon through proxy."
+                    )
             elif manage_daemon is False:
-                self._log.info(f'Connecting to remote {self.coin_name()} daemon at {rpchost}.')
+                self._log.info(
+                    f"Connecting to remote {self.coin_name()} daemon at {rpchost}."
+                )
 
-        self._rpctimeout = coin_settings.get('rpctimeout', 60)
-        self._walletrpctimeout = coin_settings.get('walletrpctimeout', 120)
-        self._walletrpctimeoutlong = coin_settings.get('walletrpctimeoutlong', 600)
+        self._rpctimeout = coin_settings.get("rpctimeout", 60)
+        self._walletrpctimeout = coin_settings.get("walletrpctimeout", 120)
+        # walletrpctimeoutlong likely unneeded
+        self._walletrpctimeoutlong = coin_settings.get("walletrpctimeoutlong", 600)
 
-        self.rpc = make_xmr_rpc_func(coin_settings['rpcport'], daemon_login, host=rpchost, proxy_host=proxy_host, proxy_port=proxy_port, default_timeout=self._rpctimeout, tag='Node(j) ')
-        self.rpc2 = make_xmr_rpc2_func(coin_settings['rpcport'], daemon_login, host=rpchost, proxy_host=proxy_host, proxy_port=proxy_port, default_timeout=self._rpctimeout, tag='Node ')  # non-json endpoint
-        self.rpc_wallet = make_xmr_rpc_func(coin_settings['walletrpcport'], coin_settings['walletrpcauth'], host=coin_settings.get('walletrpchost', '127.0.0.1'), default_timeout=self._walletrpctimeout, tag='Wallet ')
+        self.rpc = make_xmr_rpc_func(
+            coin_settings["rpcport"],
+            daemon_login,
+            host=rpchost,
+            proxy_host=proxy_host,
+            proxy_port=proxy_port,
+            default_timeout=self._rpctimeout,
+            tag="Node(j) ",
+        )
+        self.rpc2 = make_xmr_rpc2_func(
+            coin_settings["rpcport"],
+            daemon_login,
+            host=rpchost,
+            proxy_host=proxy_host,
+            proxy_port=proxy_port,
+            default_timeout=self._rpctimeout,
+            tag="Node ",
+        )  # non-json endpoint
+        self.rpc_wallet = make_xmr_rpc_func(
+            coin_settings["walletrpcport"],
+            coin_settings["walletrpcauth"],
+            host=coin_settings.get("walletrpchost", "127.0.0.1"),
+            default_timeout=self._walletrpctimeout,
+            tag="Wallet ",
+        )
 
     def setFeePriority(self, new_priority):
-        ensure(new_priority >= 0 and new_priority < 4, 'Invalid fee_priority value')
+        ensure(new_priority >= 0 and new_priority < 4, "Invalid fee_priority value")
         self._fee_priority = new_priority
 
-    def setWalletFilename(self, wallet_filename):
-        self._wallet_filename = wallet_filename
-
     def createWallet(self, params):
         if self._wallet_password is not None:
-            params['password'] = self._wallet_password
-        rv = self.rpc_wallet('generate_from_keys', params)
-        self._log.info('generate_from_keys %s', dumpj(rv))
+            params["password"] = self._wallet_password
+        rv = self.rpc_wallet("generate_from_keys", params)
+        if "address" in rv:
+            new_address: str = rv["address"]
+            is_watch_only: bool = "Watch-only" in rv.get("info", "")
+            self._log.info(
+                "Generated{} {} wallet: {}".format(
+                    " watch-only" if is_watch_only else "",
+                    self.coin_name(),
+                    self._log.addr(new_address),
+                )
+            )
+        else:
+            self._log.debug("generate_from_keys %s", dumpj(rv))
+            raise ValueError("generate_from_keys failed")
 
     def openWallet(self, filename):
-        params = {'filename': filename}
+        params = {"filename": filename}
         if self._wallet_password is not None:
-            params['password'] = self._wallet_password
+            params["password"] = self._wallet_password
 
         try:
-            # Can't reopen the same wallet in windows, !is_keys_file_locked()
-            self.rpc_wallet('close_wallet')
-        except Exception:
-            pass
-        self.rpc_wallet('open_wallet', params)
+            self.rpc_wallet("open_wallet", params)
+            # TODO Remove `refresh` after upstream fix to refresh on open_wallet
+            self.rpc_wallet("refresh")
+        except Exception as e:
+            if "no connection to daemon" in str(e):
+                self._log.debug(f"{self.coin_name()} {e}")
+                return  # bypass refresh error to allow startup with a busy daemon
 
-    def initialiseWallet(self, key_view: bytes, key_spend: bytes, restore_height=None) -> None:
+            try:
+                # TODO Remove `store` after upstream fix to autosave on close_wallet
+                self.rpc_wallet("store")
+                self.rpc_wallet("close_wallet")
+                self._log.debug(f"Attempt to save and close {self.coin_name()} wallet")
+            except Exception as e:  # noqa: F841
+                pass
+
+            self.rpc_wallet("open_wallet", params)
+            # TODO Remove `refresh` after upstream fix to refresh on open_wallet
+            self.rpc_wallet("refresh")
+            self._log.debug(f"Reattempt to open {self.coin_name()} wallet")
+
+    def initialiseWallet(
+        self, key_view: bytes, key_spend: bytes, restore_height=None
+    ) -> None:
         with self._mx_wallet:
             try:
                 self.openWallet(self._wallet_filename)
                 # TODO: Check address
                 return  # Wallet exists
-            except Exception as e:
+            except Exception as e:  # noqa: F841
                 pass
 
             Kbv = self.getPubkey(key_view)
@@ -172,11 +237,11 @@ class XMRInterface(CoinInterface):
             address_b58 = xmr_util.encode_address(Kbv, Kbs, self._addr_prefix)
 
             params = {
-                'filename': self._wallet_filename,
-                'address': address_b58,
-                'viewkey': b2h(key_view[::-1]),
-                'spendkey': b2h(key_spend[::-1]),
-                'restore_height': self._restore_height,
+                "filename": self._wallet_filename,
+                "address": address_b58,
+                "viewkey": b2h(key_view[::-1]),
+                "spendkey": b2h(key_spend[::-1]),
+                "restore_height": self._restore_height,
             }
             self.createWallet(params)
             self.openWallet(self._wallet_filename)
@@ -186,86 +251,97 @@ class XMRInterface(CoinInterface):
             self.openWallet(self._wallet_filename)
 
     def testDaemonRPC(self, with_wallet=True) -> None:
-        self.rpc_wallet('get_languages')
+        self.rpc_wallet("get_languages")
 
     def getDaemonVersion(self):
-        return self.rpc_wallet('get_version')['version']
+        return self.rpc_wallet("get_version")["version"]
 
     def getBlockchainInfo(self):
-        get_height = self.rpc2('get_height', timeout=self._rpctimeout)
+        get_height = self.rpc2("get_height", timeout=self._rpctimeout)
         rv = {
-            'blocks': get_height['height'],
-            'verificationprogress': 0.0,
+            "blocks": get_height["height"],
+            "verificationprogress": 0.0,
         }
 
         try:
             # get_block_count.block_count is how many blocks are in the longest chain known to the node.
             # get_block_count returns "Internal error" if bootstrap-daemon is active
-            if get_height['untrusted'] is True:
-                rv['bootstrapping'] = True
-                get_info = self.rpc2('get_info', timeout=self._rpctimeout)
-                if 'height_without_bootstrap' in get_info:
-                    rv['blocks'] = get_info['height_without_bootstrap']
+            if get_height["untrusted"] is True:
+                rv["bootstrapping"] = True
+                get_info = self.rpc2("get_info", timeout=self._rpctimeout)
+                if "height_without_bootstrap" in get_info:
+                    rv["blocks"] = get_info["height_without_bootstrap"]
 
-                rv['known_block_count'] = get_info['height']
-                if rv['known_block_count'] > rv['blocks']:
-                    rv['verificationprogress'] = rv['blocks'] / rv['known_block_count']
+                rv["known_block_count"] = get_info["height"]
+                if rv["known_block_count"] > rv["blocks"]:
+                    rv["verificationprogress"] = rv["blocks"] / rv["known_block_count"]
             else:
-                rv['known_block_count'] = self.rpc('get_block_count', timeout=self._rpctimeout)['count']
-                rv['verificationprogress'] = rv['blocks'] / rv['known_block_count']
+                rv["known_block_count"] = self.rpc(
+                    "get_block_count", timeout=self._rpctimeout
+                )["count"]
+                rv["verificationprogress"] = rv["blocks"] / rv["known_block_count"]
         except Exception as e:
-            self._log.warning(f'{self.ticker_str()} get_block_count failed with: {e}')
-            rv['verificationprogress'] = 0.0
+            self._log.warning(f"{self.ticker_str()} get_block_count failed with: {e}")
+            rv["verificationprogress"] = 0.0
 
         return rv
 
     def getChainHeight(self):
-        return self.rpc2('get_height', timeout=self._rpctimeout)['height']
+        return self.rpc2("get_height", timeout=self._rpctimeout)["height"]
 
     def getWalletInfo(self):
         with self._mx_wallet:
             try:
                 self.openWallet(self._wallet_filename)
             except Exception as e:
-                if 'Failed to open wallet' in str(e):
-                    rv = {'encrypted': True, 'locked': True, 'balance': 0, 'unconfirmed_balance': 0}
+                if "Failed to open wallet" in str(e):
+                    rv = {
+                        "encrypted": True,
+                        "locked": True,
+                        "balance": 0,
+                        "unconfirmed_balance": 0,
+                    }
                     return rv
                 raise e
 
             rv = {}
-            self.rpc_wallet('refresh')
-            balance_info = self.rpc_wallet('get_balance')
+            balance_info = self.rpc_wallet("get_balance")
 
-            rv['balance'] = self.format_amount(balance_info['unlocked_balance'])
-            rv['unconfirmed_balance'] = self.format_amount(balance_info['balance'] - balance_info['unlocked_balance'])
-            rv['encrypted'] = False if self._wallet_password is None else True
-            rv['locked'] = False
+            rv["wallet_blocks"] = self.rpc_wallet("get_height")["height"]
+            rv["balance"] = self.format_amount(balance_info["unlocked_balance"])
+            rv["unconfirmed_balance"] = self.format_amount(
+                balance_info["balance"] - balance_info["unlocked_balance"]
+            )
+            rv["encrypted"] = False if self._wallet_password is None else True
+            rv["locked"] = False
             return rv
 
     def getMainWalletAddress(self) -> str:
         with self._mx_wallet:
             self.openWallet(self._wallet_filename)
-            return self.rpc_wallet('get_address')['address']
+            return self.rpc_wallet("get_address")["address"]
 
     def getNewAddress(self, placeholder) -> str:
         with self._mx_wallet:
             self.openWallet(self._wallet_filename)
-            new_address = self.rpc_wallet('create_address', {'account_index': 0})['address']
-            self.rpc_wallet('store')
+            new_address = self.rpc_wallet("create_address", {"account_index": 0})[
+                "address"
+            ]
+            self.rpc_wallet("store")
             return new_address
 
     def get_fee_rate(self, conf_target: int = 2):
         # fees - array of unsigned int; Represents the base fees at different priorities [slow, normal, fast, fastest].
-        fee_est = self.rpc('get_fee_estimate')
+        fee_est = self.rpc("get_fee_estimate")
         if conf_target <= 1:
             conf_target = 1  # normal
         else:
             conf_target = 0  # slow
-        fee_per_k_bytes = fee_est['fees'][conf_target] * 1000
+        fee_per_k_bytes = fee_est["fees"][conf_target] * 1000
 
-        return float(self.format_amount(fee_per_k_bytes)), 'get_fee_estimate'
+        return float(self.format_amount(fee_per_k_bytes)), "get_fee_estimate"
 
-    def getNewSecretKey(self) -> bytes:
+    def getNewRandomKey(self) -> bytes:
         # Note: Returned bytes are in big endian order
         return i2b(edu.get_secret())
 
@@ -294,7 +370,7 @@ class XMRInterface(CoinInterface):
 
     def verifyKey(self, k: int) -> bool:
         i = b2i(k)
-        return (i < edf.l and i > 8)
+        return i < edf.l and i > 8
 
     def verifyPubkey(self, pubkey_bytes):
         # Calls ed25519_decode_check_point() in secp256k1
@@ -320,45 +396,58 @@ class XMRInterface(CoinInterface):
     def encodeSharedAddress(self, Kbv: bytes, Kbs: bytes) -> str:
         return xmr_util.encode_address(Kbv, Kbs, self._addr_prefix)
 
-    def publishBLockTx(self, kbv: bytes, Kbs: bytes, output_amount: int, feerate: int, unlock_time: int = 0) -> bytes:
+    def publishBLockTx(
+        self,
+        kbv: bytes,
+        Kbs: bytes,
+        output_amount: int,
+        feerate: int,
+        unlock_time: int = 0,
+    ) -> bytes:
         with self._mx_wallet:
             self.openWallet(self._wallet_filename)
-            self.rpc_wallet('refresh')
 
             Kbv = self.getPubkey(kbv)
             shared_addr = xmr_util.encode_address(Kbv, Kbs, self._addr_prefix)
 
-            params = {'destinations': [{'amount': output_amount, 'address': shared_addr}], 'unlock_time': unlock_time}
+            params = {
+                "destinations": [{"amount": output_amount, "address": shared_addr}],
+                "unlock_time": unlock_time,
+            }
             if self._fee_priority > 0:
-                params['priority'] = self._fee_priority
-            rv = self.rpc_wallet('transfer', params)
-            self._log.info('publishBLockTx %s to address_b58 %s', rv['tx_hash'], shared_addr)
-            tx_hash = bytes.fromhex(rv['tx_hash'])
+                params["priority"] = self._fee_priority
+            rv = self.rpc_wallet("transfer", params)
+            self._log.info(
+                "publishBLockTx %s to address_b58 %s",
+                self._log.id(rv["tx_hash"]),
+                self._log.addr(shared_addr),
+            )
+            tx_hash = bytes.fromhex(rv["tx_hash"])
 
             return tx_hash
 
-    def findTxB(self, kbv, Kbs, cb_swap_value, cb_block_confirmed, restore_height, bid_sender):
+    def findTxB(
+        self, kbv, Kbs, cb_swap_value, cb_block_confirmed, restore_height, bid_sender
+    ):
         with self._mx_wallet:
             Kbv = self.getPubkey(kbv)
             address_b58 = xmr_util.encode_address(Kbv, Kbs, self._addr_prefix)
 
             kbv_le = kbv[::-1]
             params = {
-                'restore_height': restore_height,
-                'filename': address_b58,
-                'address': address_b58,
-                'viewkey': b2h(kbv_le),
+                "restore_height": restore_height,
+                "filename": address_b58,
+                "address": address_b58,
+                "viewkey": b2h(kbv_le),
             }
 
             try:
                 self.openWallet(address_b58)
-            except Exception as e:
+            except Exception as e:  # noqa: F841
                 self.createWallet(params)
                 self.openWallet(address_b58)
 
-            self.rpc_wallet('refresh', timeout=self._walletrpctimeoutlong)
-
-            '''
+            """
             # Debug
             try:
                 current_height = self.rpc_wallet('get_height')['height']
@@ -367,136 +456,219 @@ class XMRInterface(CoinInterface):
                 self._log.info('rpc failed %s', str(e))
                 current_height = None  # If the transfer is available it will be deep enough
                 #   and (current_height is None or current_height - transfer['block_height'] > cb_block_confirmed):
-            '''
-            params = {'transfer_type': 'available'}
-            transfers = self.rpc_wallet('incoming_transfers', params)
+            """
+            params = {"transfer_type": "available"}
+            transfers = self.rpc_wallet("incoming_transfers", params)
             rv = None
-            if 'transfers' in transfers:
-                for transfer in transfers['transfers']:
+            if "transfers" in transfers:
+                for transfer in transfers["transfers"]:
                     # unlocked <- wallet->is_transfer_unlocked() checks unlock_time and CRYPTONOTE_DEFAULT_TX_SPENDABLE_AGE
-                    if not transfer['unlocked']:
-                        full_tx = self.rpc_wallet('get_transfer_by_txid', {'txid': transfer['tx_hash']})
-                        unlock_time = full_tx['transfer']['unlock_time']
+                    if not transfer["unlocked"]:
+                        full_tx = self.rpc_wallet(
+                            "get_transfer_by_txid", {"txid": transfer["tx_hash"]}
+                        )
+                        unlock_time = full_tx["transfer"]["unlock_time"]
                         if unlock_time != 0:
-                            self._log.warning('Coin b lock txn is locked: {}, unlock_time {}'.format(transfer['tx_hash'], unlock_time))
+                            self._log.warning(
+                                "Coin b lock txn is locked: {}, unlock_time {}".format(
+                                    transfer["tx_hash"], unlock_time
+                                )
+                            )
                             rv = -1
                             continue
-                    if transfer['amount'] == cb_swap_value:
-                        return {'txid': transfer['tx_hash'], 'amount': transfer['amount'], 'height': 0 if 'block_height' not in transfer else transfer['block_height']}
+                    if transfer["amount"] == cb_swap_value:
+                        return {
+                            "txid": transfer["tx_hash"],
+                            "amount": transfer["amount"],
+                            "height": (
+                                0
+                                if "block_height" not in transfer
+                                else transfer["block_height"]
+                            ),
+                        }
                     else:
-                        self._log.warning('Incorrect amount detected for coin b lock txn: {}'.format(transfer['tx_hash']))
+                        self._log.warning(
+                            "Incorrect amount detected for coin b lock txn: {}".format(
+                                transfer["tx_hash"]
+                            )
+                        )
                         rv = -1
             return rv
 
     def findTxnByHash(self, txid):
         with self._mx_wallet:
             self.openWallet(self._wallet_filename)
-            self.rpc_wallet('refresh', timeout=self._walletrpctimeoutlong)
 
             try:
-                current_height = self.rpc2('get_height', timeout=self._rpctimeout)['height']
-                self._log.info(f'findTxnByHash {self.ticker_str()} current_height {current_height}\nhash: {txid}')
+                current_height = self.rpc2("get_height", timeout=self._rpctimeout)[
+                    "height"
+                ]
+                self._log.info(
+                    f"findTxnByHash {self.ticker_str()} current_height {current_height}\nhash: {txid}"
+                )
             except Exception as e:
-                self._log.info('rpc failed %s', str(e))
-                current_height = None  # If the transfer is available it will be deep enough
+                self._log.info("rpc failed %s", str(e))
+                current_height = (
+                    None  # If the transfer is available it will be deep enough
+                )
 
-            params = {'transfer_type': 'available'}
-            rv = self.rpc_wallet('incoming_transfers', params)
-            if 'transfers' in rv:
-                for transfer in rv['transfers']:
-                    if transfer['tx_hash'] == txid \
-                       and (current_height is None or current_height - transfer['block_height'] > self.blocks_confirmed):
-                        return {'txid': transfer['tx_hash'], 'amount': transfer['amount'], 'height': transfer['block_height']}
+            params = {"transfer_type": "available"}
+            rv = self.rpc_wallet("incoming_transfers", params)
+            if "transfers" in rv:
+                for transfer in rv["transfers"]:
+                    if transfer["tx_hash"] == txid and (
+                        current_height is None
+                        or current_height - transfer["block_height"]
+                        > self.blocks_confirmed
+                    ):
+                        return {
+                            "txid": transfer["tx_hash"],
+                            "amount": transfer["amount"],
+                            "height": transfer["block_height"],
+                        }
 
             return None
 
-    def spendBLockTx(self, chain_b_lock_txid: bytes, address_to: str, kbv: bytes, kbs: bytes, cb_swap_value: int, b_fee_rate: int, restore_height: int, spend_actual_balance: bool = False, lock_tx_vout=None) -> bytes:
-        '''
+    def spendBLockTx(
+        self,
+        chain_b_lock_txid: bytes,
+        address_to: str,
+        kbv: bytes,
+        kbs: bytes,
+        cb_swap_value: int,
+        b_fee_rate: int,
+        restore_height: int,
+        spend_actual_balance: bool = False,
+        lock_tx_vout=None,
+    ) -> bytes:
+        """
         Notes:
         "Error: No unlocked balance in the specified subaddress(es)" can mean not enough funds after tx fee.
-        '''
+        """
         with self._mx_wallet:
             Kbv = self.getPubkey(kbv)
             Kbs = self.getPubkey(kbs)
             address_b58 = xmr_util.encode_address(Kbv, Kbs, self._addr_prefix)
 
-            wallet_filename = address_b58 + '_spend'
+            wallet_filename = address_b58 + "_spend"
 
             params = {
-                'filename': wallet_filename,
-                'address': address_b58,
-                'viewkey': b2h(kbv[::-1]),
-                'spendkey': b2h(kbs[::-1]),
-                'restore_height': restore_height,
+                "filename": wallet_filename,
+                "address": address_b58,
+                "viewkey": b2h(kbv[::-1]),
+                "spendkey": b2h(kbs[::-1]),
+                "restore_height": restore_height,
             }
 
             try:
                 self.openWallet(wallet_filename)
-            except Exception as e:
+            except Exception as e:  # noqa: F841
                 self.createWallet(params)
                 self.openWallet(wallet_filename)
 
-            self.rpc_wallet('refresh')
-            rv = self.rpc_wallet('get_balance')
-            if rv['balance'] < cb_swap_value:
-                self._log.warning('Balance is too low, checking for existing spend.')
-                txns = self.rpc_wallet('get_transfers', {'out': True})
-                if 'out' in txns:
-                    txns = txns['out']
+            rv = self.rpc_wallet("get_balance")
+            if rv["balance"] < cb_swap_value:
+                self._log.warning("Balance is too low, checking for existing spend.")
+                txns = self.rpc_wallet("get_transfers", {"out": True})
+                if "out" in txns:
+                    txns = txns["out"]
                     if len(txns) > 0:
-                        txid = txns[0]['txid']
-                        self._log.warning(f'spendBLockTx detected spending tx: {txid}.')
-                        if txns[0]['address'] == address_b58:
+                        txid = txns[0]["txid"]
+                        self._log.warning(f"spendBLockTx detected spending tx: {txid}.")
+
+                        # Should check for address_to, but only the from address is found in the output
+                        if txns[0]["address"] == address_b58:
                             return bytes.fromhex(txid)
 
-                self._log.error('wallet {} balance {}, expected {}'.format(wallet_filename, rv['balance'], cb_swap_value))
+                self._log.error(
+                    "wallet {} balance {}, expected {}".format(
+                        wallet_filename, rv["balance"], cb_swap_value
+                    )
+                )
 
                 if not spend_actual_balance:
-                    raise TemporaryError('Invalid balance')
+                    raise TemporaryError("Invalid balance")
 
-            if spend_actual_balance and rv['balance'] != cb_swap_value:
-                self._log.warning('Spending actual balance {}, not swap value {}.'.format(rv['balance'], cb_swap_value))
-                cb_swap_value = rv['balance']
-            if rv['unlocked_balance'] < cb_swap_value:
-                self._log.error('wallet {} balance {}, expected {}, blocks_to_unlock {}'.format(wallet_filename, rv['unlocked_balance'], cb_swap_value, rv['blocks_to_unlock']))
-                raise TemporaryError('Invalid unlocked_balance')
+            if spend_actual_balance and rv["balance"] != cb_swap_value:
+                self._log.warning(
+                    "Spending actual balance {}, not swap value {}.".format(
+                        rv["balance"], cb_swap_value
+                    )
+                )
+                cb_swap_value = rv["balance"]
+            if rv["unlocked_balance"] < cb_swap_value:
+                self._log.error(
+                    "wallet {} balance {}, expected {}, blocks_to_unlock {}".format(
+                        wallet_filename,
+                        rv["unlocked_balance"],
+                        cb_swap_value,
+                        rv["blocks_to_unlock"],
+                    )
+                )
+                raise TemporaryError("Invalid unlocked_balance")
 
-            params = {'address': address_to}
+            params = {"address": address_to}
             if self._fee_priority > 0:
-                params['priority'] = self._fee_priority
+                params["priority"] = self._fee_priority
 
-            rv = self.rpc_wallet('sweep_all', params)
-            self._log.debug('sweep_all {}'.format(json.dumps(rv)))
+            rv = self.rpc_wallet("sweep_all", params)
 
-            return bytes.fromhex(rv['tx_hash_list'][0])
+            return bytes.fromhex(rv["tx_hash_list"][0])
 
-    def withdrawCoin(self, value, addr_to: str, sweepall: bool, estimate_fee: bool = False) -> str:
+    def withdrawCoin(
+        self, value, addr_to: str, sweepall: bool, estimate_fee: bool = False
+    ) -> str:
         with self._mx_wallet:
             self.openWallet(self._wallet_filename)
-            self.rpc_wallet('refresh')
 
             if sweepall:
-                balance = self.rpc_wallet('get_balance')
-                if balance['balance'] != balance['unlocked_balance']:
-                    raise ValueError('Balance must be fully confirmed to use sweep all.')
-                self._log.info('{} {} sweep_all.'.format(self.ticker_str(), 'estimate fee' if estimate_fee else 'withdraw'))
-                self._log.debug('{} balance: {}'.format(self.ticker_str(), balance['balance']))
-                params = {'address': addr_to, 'do_not_relay': estimate_fee}
+                balance = self.rpc_wallet("get_balance")
+                if balance["balance"] != balance["unlocked_balance"]:
+                    raise ValueError(
+                        "Balance must be fully confirmed to use sweep all."
+                    )
+                self._log.info(
+                    "{} {} sweep_all.".format(
+                        self.ticker_str(),
+                        "estimate fee" if estimate_fee else "withdraw",
+                    )
+                )
+                self._log.debug(
+                    "{} balance: {}".format(self.ticker_str(), balance["balance"])
+                )
+                params = {
+                    "address": addr_to,
+                    "do_not_relay": estimate_fee,
+                    "subaddr_indices_all": True,
+                }
                 if self._fee_priority > 0:
-                    params['priority'] = self._fee_priority
-                rv = self.rpc_wallet('sweep_all', params)
+                    params["priority"] = self._fee_priority
+                rv = self.rpc_wallet("sweep_all", params)
                 if estimate_fee:
-                    return {'num_txns': len(rv['fee_list']), 'sum_amount': sum(rv['amount_list']), 'sum_fee': sum(rv['fee_list']), 'sum_weight': sum(rv['weight_list'])}
-                return rv['tx_hash_list'][0]
+                    return {
+                        "num_txns": len(rv["fee_list"]),
+                        "sum_amount": sum(rv["amount_list"]),
+                        "sum_fee": sum(rv["fee_list"]),
+                        "sum_weight": sum(rv["weight_list"]),
+                    }
+                return rv["tx_hash_list"][0]
 
             value_sats: int = self.make_int(value)
-            params = {'destinations': [{'amount': value_sats, 'address': addr_to}], 'do_not_relay': estimate_fee}
+            params = {
+                "destinations": [{"amount": value_sats, "address": addr_to}],
+                "do_not_relay": estimate_fee,
+            }
             if self._fee_priority > 0:
-                params['priority'] = self._fee_priority
-            rv = self.rpc_wallet('transfer', params)
+                params["priority"] = self._fee_priority
+            rv = self.rpc_wallet("transfer", params)
             if estimate_fee:
-                return {'num_txns': 1, 'sum_amount': rv['amount'], 'sum_fee': rv['fee'], 'sum_weight': rv['weight']}
-            return rv['tx_hash']
+                return {
+                    "num_txns": 1,
+                    "sum_amount": rv["amount"],
+                    "sum_fee": rv["fee"],
+                    "sum_weight": rv["weight"],
+                }
+            return rv["tx_hash"]
 
     def estimateFee(self, value: int, addr_to: str, sweepall: bool) -> str:
         return self.withdrawCoin(value, addr_to, sweepall, estimate_fee=True)
@@ -506,7 +678,7 @@ class XMRInterface(CoinInterface):
             try:
                 Kbv = self.getPubkey(kbv)
                 address_b58 = xmr_util.encode_address(Kbv, Kbs, self._addr_prefix)
-                wallet_file = address_b58 + '_spend'
+                wallet_file = address_b58 + "_spend"
                 try:
                     self.openWallet(wallet_file)
                 except Exception:
@@ -514,54 +686,59 @@ class XMRInterface(CoinInterface):
                     try:
                         self.openWallet(wallet_file)
                     except Exception:
-                        self._log.info(f'showLockTransfers trying to create wallet for address {address_b58}.')
+                        self._log.info(
+                            f"showLockTransfers trying to create wallet for address {address_b58}."
+                        )
                         kbv_le = kbv[::-1]
                         params = {
-                            'restore_height': restore_height,
-                            'filename': address_b58,
-                            'address': address_b58,
-                            'viewkey': b2h(kbv_le),
+                            "restore_height": restore_height,
+                            "filename": address_b58,
+                            "address": address_b58,
+                            "viewkey": b2h(kbv_le),
                         }
                         self.createWallet(params)
                         self.openWallet(address_b58)
 
-                self.rpc_wallet('refresh')
-
-                rv = self.rpc_wallet('get_transfers', {'in': True, 'out': True, 'pending': True, 'failed': True})
-                rv['filename'] = wallet_file
+                rv = self.rpc_wallet(
+                    "get_transfers",
+                    {"in": True, "out": True, "pending": True, "failed": True},
+                )
+                rv["filename"] = wallet_file
                 return rv
             except Exception as e:
-                return {'error': str(e)}
+                return {"error": str(e)}
 
     def getSpendableBalance(self) -> int:
         with self._mx_wallet:
             self.openWallet(self._wallet_filename)
 
-            self.rpc_wallet('refresh')
-            balance_info = self.rpc_wallet('get_balance')
-            return balance_info['unlocked_balance']
+            balance_info = self.rpc_wallet("get_balance")
+            return balance_info["unlocked_balance"]
 
     def changeWalletPassword(self, old_password, new_password):
-        self._log.info('changeWalletPassword - {}'.format(self.ticker()))
+        self._log.info("changeWalletPassword - {}".format(self.ticker()))
         orig_password = self._wallet_password
-        if old_password != '':
+        if old_password != "":
             self._wallet_password = old_password
         try:
             self.openWallet(self._wallet_filename)
-            self.rpc_wallet('change_wallet_password', {'old_password': old_password, 'new_password': new_password})
+            self.rpc_wallet(
+                "change_wallet_password",
+                {"old_password": old_password, "new_password": new_password},
+            )
         except Exception as e:
             self._wallet_password = orig_password
             raise e
 
     def unlockWallet(self, password: str) -> None:
-        self._log.info('unlockWallet - {}'.format(self.ticker()))
+        self._log.info("unlockWallet - {}".format(self.ticker()))
         self._wallet_password = password
 
         if not self._have_checked_seed:
             self._sc.checkWalletSeed(self.coin_type())
 
     def lockWallet(self) -> None:
-        self._log.info('lockWallet - {}'.format(self.ticker()))
+        self._log.info("lockWallet - {}".format(self.ticker()))
         self._wallet_password = None
 
     def isAddressMine(self, address):
@@ -570,7 +747,14 @@ class XMRInterface(CoinInterface):
 
     def ensureFunds(self, amount: int) -> None:
         if self.getSpendableBalance() < amount:
-            raise ValueError('Balance too low')
+            raise ValueError("Balance too low")
 
     def getTransaction(self, txid: bytes):
-        return self.rpc2('get_transactions', {'txs_hashes': [txid.hex(), ]})
+        return self.rpc2(
+            "get_transactions",
+            {
+                "txs_hashes": [
+                    txid.hex(),
+                ]
+            },
+        )

basicswap/messages_npb.py

@@ -6,7 +6,7 @@
 # file LICENSE or http://www.opensource.org/licenses/mit-license.php.
 
 
-'''
+"""
 syntax = "proto3";
 
 0 VARINT int32, int64, uint32, uint64, sint32, sint64, bool, enum
@@ -18,12 +18,12 @@ Don't encode fields of default values.
 When decoding initialise all fields not set from data.
 
 protobuf ParseFromString would reset the whole object, from_bytes won't.
-'''
+"""
 
 from basicswap.util.integer import encode_varint, decode_varint
 
 
-class NonProtobufClass():
+class NonProtobufClass:
     def __init__(self, init_all: bool = True, **kwargs):
         for key, value in kwargs.items():
             found_field: bool = False
@@ -34,7 +34,7 @@ class NonProtobufClass():
                     found_field = True
                     break
             if found_field is False:
-                raise ValueError(f'got an unexpected keyword argument \'{key}\'')
+                raise ValueError(f"got an unexpected keyword argument '{key}'")
 
         if init_all:
             self.init_fields()
@@ -53,7 +53,7 @@ class NonProtobufClass():
                 else:
                     setattr(self, field_name, bytes())
             else:
-                raise ValueError(f'Unknown wire_type {wire_type}')
+                raise ValueError(f"Unknown wire_type {wire_type}")
 
     def to_bytes(self) -> bytes:
         rv = bytes()
@@ -74,11 +74,11 @@ class NonProtobufClass():
                     continue
                 rv += encode_varint(tag)
                 if isinstance(field_value, str):
-                    field_value = field_value.encode('utf-8')
+                    field_value = field_value.encode("utf-8")
                 rv += encode_varint(len(field_value))
                 rv += field_value
             else:
-                raise ValueError(f'Unknown wire_type {wire_type}')
+                raise ValueError(f"Unknown wire_type {wire_type}")
         return rv
 
     def from_bytes(self, b: bytes, init_all: bool = True) -> None:
@@ -92,7 +92,9 @@ class NonProtobufClass():
 
             field_name, wire_type_expect, field_type = self._map[field_num]
             if wire_type != wire_type_expect:
-                raise ValueError(f'Unexpected wire_type {wire_type} for field {field_num}')
+                raise ValueError(
+                    f"Unexpected wire_type {wire_type} for field {field_num}"
+                )
 
             if wire_type == 0:
                 field_value, lv = decode_varint(b, o)
@@ -100,12 +102,12 @@ class NonProtobufClass():
             elif wire_type == 2:
                 field_len, lv = decode_varint(b, o)
                 o += lv
-                field_value = b[o: o + field_len]
+                field_value = b[o : o + field_len]
                 o += field_len
                 if field_type == 1:
-                    field_value = field_value.decode('utf-8')
+                    field_value = field_value.decode("utf-8")
             else:
-                raise ValueError(f'Unknown wire_type {wire_type}')
+                raise ValueError(f"Unknown wire_type {wire_type}")
 
             setattr(self, field_name, field_value)
 
@@ -115,151 +117,150 @@ class NonProtobufClass():
 
 class OfferMessage(NonProtobufClass):
     _map = {
-        1: ('protocol_version', 0, 0),
-        2: ('coin_from', 0, 0),
-        3: ('coin_to', 0, 0),
-        4: ('amount_from', 0, 0),
-        5: ('amount_to', 0, 0),
-        6: ('min_bid_amount', 0, 0),
-        7: ('time_valid', 0, 0),
-        8: ('lock_type', 0, 0),
-        9: ('lock_value', 0, 0),
-        10: ('swap_type', 0, 0),
-        11: ('proof_address', 2, 1),
-        12: ('proof_signature', 2, 1),
-        13: ('pkhash_seller', 2, 0),
-        14: ('secret_hash', 2, 0),
-        15: ('fee_rate_from', 0, 0),
-        16: ('fee_rate_to', 0, 0),
-        17: ('amount_negotiable', 0, 2),
-        18: ('rate_negotiable', 0, 2),
-        19: ('proof_utxos', 2, 0),
+        1: ("protocol_version", 0, 0),
+        2: ("coin_from", 0, 0),
+        3: ("coin_to", 0, 0),
+        4: ("amount_from", 0, 0),
+        5: ("amount_to", 0, 0),
+        6: ("min_bid_amount", 0, 0),
+        7: ("time_valid", 0, 0),
+        8: ("lock_type", 0, 0),
+        9: ("lock_value", 0, 0),
+        10: ("swap_type", 0, 0),
+        11: ("proof_address", 2, 1),
+        12: ("proof_signature", 2, 1),
+        13: ("pkhash_seller", 2, 0),
+        14: ("secret_hash", 2, 0),
+        15: ("fee_rate_from", 0, 0),
+        16: ("fee_rate_to", 0, 0),
+        17: ("amount_negotiable", 0, 2),
+        18: ("rate_negotiable", 0, 2),
+        19: ("proof_utxos", 2, 0),
     }
 
 
 class BidMessage(NonProtobufClass):
     _map = {
-        1: ('protocol_version', 0, 0),
-        2: ('offer_msg_id', 2, 0),
-        3: ('time_valid', 0, 0),
-        4: ('amount', 0, 0),
-        5: ('amount_to', 0, 0),
-        6: ('pkhash_buyer', 2, 0),
-        7: ('proof_address', 2, 1),
-        8: ('proof_signature', 2, 1),
-        9: ('proof_utxos', 2, 0),
-        10: ('pkhash_buyer_to', 2, 0),
+        1: ("protocol_version", 0, 0),
+        2: ("offer_msg_id", 2, 0),
+        3: ("time_valid", 0, 0),
+        4: ("amount", 0, 0),
+        5: ("amount_to", 0, 0),
+        6: ("pkhash_buyer", 2, 0),
+        7: ("proof_address", 2, 1),
+        8: ("proof_signature", 2, 1),
+        9: ("proof_utxos", 2, 0),
+        10: ("pkhash_buyer_to", 2, 0),
     }
 
 
 class BidAcceptMessage(NonProtobufClass):
     # Step 3, seller -> buyer
     _map = {
-        1: ('bid_msg_id', 2, 0),
-        2: ('initiate_txid', 2, 0),
-        3: ('contract_script', 2, 0),
-        4: ('pkhash_seller', 2, 0),
+        1: ("bid_msg_id", 2, 0),
+        2: ("initiate_txid", 2, 0),
+        3: ("contract_script", 2, 0),
+        4: ("pkhash_seller", 2, 0),
     }
 
 
 class OfferRevokeMessage(NonProtobufClass):
     _map = {
-        1: ('offer_msg_id', 2, 0),
-        2: ('signature', 2, 0),
+        1: ("offer_msg_id", 2, 0),
+        2: ("signature", 2, 0),
     }
 
 
 class BidRejectMessage(NonProtobufClass):
     _map = {
-        1: ('bid_msg_id', 2, 0),
-        2: ('reject_code', 0, 0),
+        1: ("bid_msg_id", 2, 0),
+        2: ("reject_code", 0, 0),
     }
 
 
 class XmrBidMessage(NonProtobufClass):
     # MSG1L, F -> L
     _map = {
-        1: ('protocol_version', 0, 0),
-        2: ('offer_msg_id', 2, 0),
-        3: ('time_valid', 0, 0),
-        4: ('amount', 0, 0),
-        5: ('amount_to', 0, 0),
-        6: ('pkaf', 2, 0),
-        7: ('kbvf', 2, 0),
-        8: ('kbsf_dleag', 2, 0),
-        9: ('dest_af', 2, 0),
+        1: ("protocol_version", 0, 0),
+        2: ("offer_msg_id", 2, 0),
+        3: ("time_valid", 0, 0),
+        4: ("amount", 0, 0),
+        5: ("amount_to", 0, 0),
+        6: ("pkaf", 2, 0),
+        7: ("kbvf", 2, 0),
+        8: ("kbsf_dleag", 2, 0),
+        9: ("dest_af", 2, 0),
     }
 
 
 class XmrSplitMessage(NonProtobufClass):
     _map = {
-        1: ('msg_id', 2, 0),
-        2: ('msg_type', 0, 0),
-        3: ('sequence', 0, 0),
-        4: ('dleag', 2, 0),
+        1: ("msg_id", 2, 0),
+        2: ("msg_type", 0, 0),
+        3: ("sequence", 0, 0),
+        4: ("dleag", 2, 0),
     }
 
 
 class XmrBidAcceptMessage(NonProtobufClass):
     _map = {
-        1: ('bid_msg_id', 2, 0),
-        2: ('pkal', 2, 0),
-        3: ('kbvl', 2, 0),
-        4: ('kbsl_dleag', 2, 0),
-
+        1: ("bid_msg_id", 2, 0),
+        2: ("pkal", 2, 0),
+        3: ("kbvl", 2, 0),
+        4: ("kbsl_dleag", 2, 0),
         # MSG2F
-        5: ('a_lock_tx', 2, 0),
-        6: ('a_lock_tx_script', 2, 0),
-        7: ('a_lock_refund_tx', 2, 0),
-        8: ('a_lock_refund_tx_script', 2, 0),
-        9: ('a_lock_refund_spend_tx', 2, 0),
-        10: ('al_lock_refund_tx_sig', 2, 0),
+        5: ("a_lock_tx", 2, 0),
+        6: ("a_lock_tx_script", 2, 0),
+        7: ("a_lock_refund_tx", 2, 0),
+        8: ("a_lock_refund_tx_script", 2, 0),
+        9: ("a_lock_refund_spend_tx", 2, 0),
+        10: ("al_lock_refund_tx_sig", 2, 0),
     }
 
 
 class XmrBidLockTxSigsMessage(NonProtobufClass):
     # MSG3L
     _map = {
-        1: ('bid_msg_id', 2, 0),
-        2: ('af_lock_refund_spend_tx_esig', 2, 0),
-        3: ('af_lock_refund_tx_sig', 2, 0),
+        1: ("bid_msg_id", 2, 0),
+        2: ("af_lock_refund_spend_tx_esig", 2, 0),
+        3: ("af_lock_refund_tx_sig", 2, 0),
     }
 
 
 class XmrBidLockSpendTxMessage(NonProtobufClass):
     # MSG4F
     _map = {
-        1: ('bid_msg_id', 2, 0),
-        2: ('a_lock_spend_tx', 2, 0),
-        3: ('kal_sig', 2, 0),
+        1: ("bid_msg_id", 2, 0),
+        2: ("a_lock_spend_tx", 2, 0),
+        3: ("kal_sig", 2, 0),
     }
 
 
 class XmrBidLockReleaseMessage(NonProtobufClass):
     # MSG5F
     _map = {
-        1: ('bid_msg_id', 2, 0),
-        2: ('al_lock_spend_tx_esig', 2, 0),
+        1: ("bid_msg_id", 2, 0),
+        2: ("al_lock_spend_tx_esig", 2, 0),
     }
 
 
 class ADSBidIntentMessage(NonProtobufClass):
     # L -> F Sent from bidder, construct a reverse bid
     _map = {
-        1: ('protocol_version', 0, 0),
-        2: ('offer_msg_id', 2, 0),
-        3: ('time_valid', 0, 0),
-        4: ('amount_from', 0, 0),
-        5: ('amount_to', 0, 0),
+        1: ("protocol_version", 0, 0),
+        2: ("offer_msg_id", 2, 0),
+        3: ("time_valid", 0, 0),
+        4: ("amount_from", 0, 0),
+        5: ("amount_to", 0, 0),
     }
 
 
 class ADSBidIntentAcceptMessage(NonProtobufClass):
     # F -> L Sent from offerer, construct a reverse bid
     _map = {
-        1: ('bid_msg_id', 2, 0),
-        2: ('pkaf', 2, 0),
-        3: ('kbvf', 2, 0),
-        4: ('kbsf_dleag', 2, 0),
-        5: ('dest_af', 2, 0),
+        1: ("bid_msg_id", 2, 0),
+        2: ("pkaf", 2, 0),
+        3: ("kbvf", 2, 0),
+        4: ("kbsf_dleag", 2, 0),
+        5: ("dest_af", 2, 0),
     }

basicswap/network.py

@@ -5,7 +5,7 @@
 # Distributed under the MIT software license, see the accompanying
 # file LICENSE or http://www.opensource.org/licenses/mit-license.php.
 
-'''
+"""
     Message 2 bytes msg_class, 4 bytes length, [ 2 bytes msg_type, payload ]
 
     Handshake procedure:
@@ -17,7 +17,7 @@
             Both nodes are initialised
 
     XChaCha20_Poly1305 mac is 16bytes
-'''
+"""
 
 import time
 import queue
@@ -36,11 +36,12 @@ from Crypto.Cipher import ChaCha20_Poly1305  # TODO: Add to libsecp256k1/coincur
 from coincurve.keys import PrivateKey, PublicKey
 from basicswap.contrib.rfc6979 import (
     rfc6979_hmac_sha256_initialize,
-    rfc6979_hmac_sha256_generate)
+    rfc6979_hmac_sha256_generate,
+)
 
 
-START_TOKEN = 0xabcd
-MSG_START_TOKEN = START_TOKEN.to_bytes(2, 'big')
+START_TOKEN = 0xABCD
+MSG_START_TOKEN = START_TOKEN.to_bytes(2, "big")
 
 MSG_MAX_SIZE = 0x200000  # 2MB
 
@@ -63,49 +64,71 @@ class NetMessageTypes(IntEnum):
         return value in cls._value2member_map_
 
 
-'''
+"""
 class NetMessage:
     def __init__(self):
         self._msg_class = None  # 2 bytes
         self._len = None # 4 bytes
         self._msg_type = None  # 2 bytes
-'''
+"""
 
 
 # Ensure handshake keys are not reused by including the time in the msg, mac and key hash
 # Verify timestamp is not too old
 # Add keys to db to catch concurrent attempts, records can be cleared periodically, the timestamp should catch older replay attempts
 class MsgHandshake:
-    __slots__ = ('_timestamp', '_ephem_pk', '_ct', '_mac')
+    __slots__ = ("_timestamp", "_ephem_pk", "_ct", "_mac")
 
     def __init__(self):
         pass
 
     def encode_aad(self):  # Additional Authenticated Data
-        return int(NetMessageTypes.HANDSHAKE).to_bytes(2, 'big') + \
-            self._timestamp.to_bytes(8, 'big') + \
-            self._ephem_pk
+        return (
+            int(NetMessageTypes.HANDSHAKE).to_bytes(2, "big")
+            + self._timestamp.to_bytes(8, "big")
+            + self._ephem_pk
+        )
 
     def encode(self):
         return self.encode_aad() + self._ct + self._mac
 
     def decode(self, msg_mv):
         o = 2
-        self._timestamp = int.from_bytes(msg_mv[o: o + 8], 'big')
+        self._timestamp = int.from_bytes(msg_mv[o : o + 8], "big")
         o += 8
-        self._ephem_pk = bytes(msg_mv[o: o + 33])
+        self._ephem_pk = bytes(msg_mv[o : o + 33])
         o += 33
-        self._ct = bytes(msg_mv[o: -16])
+        self._ct = bytes(msg_mv[o:-16])
         self._mac = bytes(msg_mv[-16:])
 
 
 class Peer:
     __slots__ = (
-        '_mx', '_pubkey', '_address', '_socket', '_version', '_ready', '_incoming',
-        '_connected_at', '_last_received_at', '_bytes_sent', '_bytes_received',
-        '_receiving_length', '_receiving_buffer', '_recv_messages', '_misbehaving_score',
-        '_ke', '_km', '_dir', '_sent_nonce', '_recv_nonce', '_last_handshake_at',
-        '_ping_nonce', '_last_ping_at', '_last_ping_rtt')
+        "_mx",
+        "_pubkey",
+        "_address",
+        "_socket",
+        "_version",
+        "_ready",
+        "_incoming",
+        "_connected_at",
+        "_last_received_at",
+        "_bytes_sent",
+        "_bytes_received",
+        "_receiving_length",
+        "_receiving_buffer",
+        "_recv_messages",
+        "_misbehaving_score",
+        "_ke",
+        "_km",
+        "_dir",
+        "_sent_nonce",
+        "_recv_nonce",
+        "_last_handshake_at",
+        "_ping_nonce",
+        "_last_ping_at",
+        "_last_ping_rtt",
+    )
 
     def __init__(self, address, socket, pubkey):
         self._mx = threading.Lock()
@@ -141,14 +164,16 @@ def listen_thread(cls):
     max_bytes = 0x10000
     while cls._running:
         # logging.info('[rm] network loop %d', cls._running)
-        readable, writable, errored = select.select(cls._read_sockets, cls._write_sockets, cls._error_sockets, timeout)
+        readable, writable, errored = select.select(
+            cls._read_sockets, cls._write_sockets, cls._error_sockets, timeout
+        )
         cls._mx.acquire()
         try:
             disconnected_peers = []
             for s in readable:
                 if s == cls._socket:
                     peer_socket, address = cls._socket.accept()
-                    logging.info('Connection from %s', address)
+                    logging.info("Connection from %s", address)
                     new_peer = Peer(address, peer_socket, None)
                     new_peer._incoming = True
                     cls._peers.append(new_peer)
@@ -160,12 +185,12 @@ def listen_thread(cls):
                             try:
                                 bytes_recv = s.recv(max_bytes, socket.MSG_DONTWAIT)
                             except socket.error as se:
-                                if se.args[0] not in (socket.EWOULDBLOCK, ):
-                                    logging.error('Receive error %s', str(se))
+                                if se.args[0] not in (socket.EWOULDBLOCK,):
+                                    logging.error("Receive error %s", str(se))
                                     disconnected_peers.append(peer)
                                     continue
                             except Exception as e:
-                                logging.error('Receive error %s', str(e))
+                                logging.error("Receive error %s", str(e))
                                 disconnected_peers.append(peer)
                                 continue
 
@@ -175,7 +200,7 @@ def listen_thread(cls):
                             cls.receive_bytes(peer, bytes_recv)
 
             for s in errored:
-                logging.warning('Socket error')
+                logging.warning("Socket error")
 
             for peer in disconnected_peers:
                 cls.disconnect(peer)
@@ -193,7 +218,9 @@ def msg_thread(cls):
                 try:
                     now_us = time.time_ns() // 1000
                     if peer._ready is True:
-                        if now_us - peer._last_ping_at >= 5000000:  # 5 seconds  TODO: Make variable
+                        if (
+                            now_us - peer._last_ping_at >= 5000000
+                        ):  # 5 seconds  TODO: Make variable
                             cls.send_ping(peer)
                     msg = peer._recv_messages.get(False)
                     cls.process_message(peer, msg)
@@ -201,7 +228,7 @@ def msg_thread(cls):
                 except queue.Empty:
                     pass
                 except Exception as e:
-                    logging.warning('process message error %s', str(e))
+                    logging.warning("process message error %s", str(e))
                     if cls._sc.debug:
                         logging.error(traceback.format_exc())
 
@@ -211,9 +238,24 @@ def msg_thread(cls):
 
 class Network:
     __slots__ = (
-        '_p2p_host', '_p2p_port', '_network_key', '_network_pubkey',
-        '_sc', '_peers', '_max_connections', '_running', '_network_thread', '_msg_thread',
-        '_mx', '_socket', '_read_sockets', '_write_sockets', '_error_sockets', '_csprng', '_seen_ephem_keys')
+        "_p2p_host",
+        "_p2p_port",
+        "_network_key",
+        "_network_pubkey",
+        "_sc",
+        "_peers",
+        "_max_connections",
+        "_running",
+        "_network_thread",
+        "_msg_thread",
+        "_mx",
+        "_socket",
+        "_read_sockets",
+        "_write_sockets",
+        "_error_sockets",
+        "_csprng",
+        "_seen_ephem_keys",
+    )
 
     def __init__(self, p2p_host, p2p_port, network_key, swap_client):
         self._p2p_host = p2p_host
@@ -278,7 +320,13 @@ class Network:
             self._mx.release()
 
     def add_connection(self, host, port, peer_pubkey):
-        self._sc.log.info('Connecting from %s to %s at %s %d', self._network_pubkey.hex(), peer_pubkey.hex(), host, port)
+        self._sc.log.info(
+            "Connecting from %s to %s at %s %d",
+            self._network_pubkey.hex(),
+            peer_pubkey.hex(),
+            host,
+            port,
+        )
         self._mx.acquire()
         try:
             address = (host, port)
@@ -294,7 +342,7 @@ class Network:
         self.send_handshake(peer)
 
     def disconnect(self, peer):
-        self._sc.log.info('Closing peer socket %s', peer._address)
+        self._sc.log.info("Closing peer socket %s", peer._address)
         self._read_sockets.pop(self._read_sockets.index(peer._socket))
         self._error_sockets.pop(self._error_sockets.index(peer._socket))
         peer.close()
@@ -305,7 +353,11 @@ class Network:
 
         used = self._seen_ephem_keys.get(ephem_pk)
         if used:
-            raise ValueError('Handshake ephem_pk reused %s peer %s', 'for' if direction == 1 else 'by', used[0])
+            raise ValueError(
+                "Handshake ephem_pk reused %s peer %s",
+                "for" if direction == 1 else "by",
+                used[0],
+            )
 
         self._seen_ephem_keys[ephem_pk] = (peer._address, timestamp)
 
@@ -313,12 +365,14 @@ class Network:
             self._seen_ephem_keys.popitem(last=False)
 
     def send_handshake(self, peer):
-        self._sc.log.debug('send_handshake %s', peer._address)
+        self._sc.log.debug("send_handshake %s", peer._address)
         peer._mx.acquire()
         try:
             # TODO: Drain peer._recv_messages
             if not peer._recv_messages.empty():
-                self._sc.log.warning('send_handshake %s - Receive queue dumped.', peer._address)
+                self._sc.log.warning(
+                    "send_handshake %s - Receive queue dumped.", peer._address
+                )
                 while not peer._recv_messages.empty():
                     peer._recv_messages.get(False)
 
@@ -332,7 +386,7 @@ class Network:
 
             ss = k.ecdh(peer._pubkey)
 
-            hashed = hashlib.sha512(ss + msg._timestamp.to_bytes(8, 'big')).digest()
+            hashed = hashlib.sha512(ss + msg._timestamp.to_bytes(8, "big")).digest()
             peer._ke = hashed[:32]
             peer._km = hashed[32:]
 
@@ -361,11 +415,13 @@ class Network:
             peer._mx.release()
 
     def process_handshake(self, peer, msg_mv):
-        self._sc.log.debug('process_handshake %s', peer._address)
+        self._sc.log.debug("process_handshake %s", peer._address)
 
         # TODO: Drain peer._recv_messages
         if not peer._recv_messages.empty():
-            self._sc.log.warning('process_handshake %s - Receive queue dumped.', peer._address)
+            self._sc.log.warning(
+                "process_handshake %s - Receive queue dumped.", peer._address
+            )
             while not peer._recv_messages.empty():
                 peer._recv_messages.get(False)
 
@@ -375,17 +431,19 @@ class Network:
         try:
             now = int(time.time())
             if now - peer._last_handshake_at < 30:
-                raise ValueError('Too many handshakes from peer %s', peer._address)
+                raise ValueError("Too many handshakes from peer %s", peer._address)
 
             if abs(msg._timestamp - now) > TIMESTAMP_LEEWAY:
-                raise ValueError('Bad handshake timestamp from peer %s', peer._address)
+                raise ValueError("Bad handshake timestamp from peer %s", peer._address)
 
-            self.check_handshake_ephem_key(peer, msg._timestamp, msg._ephem_pk, direction=2)
+            self.check_handshake_ephem_key(
+                peer, msg._timestamp, msg._ephem_pk, direction=2
+            )
 
             nk = PrivateKey(self._network_key)
             ss = nk.ecdh(msg._ephem_pk)
 
-            hashed = hashlib.sha512(ss + msg._timestamp.to_bytes(8, 'big')).digest()
+            hashed = hashlib.sha512(ss + msg._timestamp.to_bytes(8, "big")).digest()
             peer._ke = hashed[:32]
             peer._km = hashed[32:]
 
@@ -395,7 +453,9 @@ class Network:
             aad += nonce
             cipher = ChaCha20_Poly1305.new(key=peer._ke, nonce=nonce)
             cipher.update(aad)
-            plaintext = cipher.decrypt_and_verify(msg._ct, msg._mac)  # Will raise error if mac doesn't match
+            plaintext = cipher.decrypt_and_verify(
+                msg._ct, msg._mac
+            )  # Will raise error if mac doesn't match
 
             peer._version = plaintext[:6]
             sig = plaintext[6:]
@@ -414,26 +474,30 @@ class Network:
 
         except Exception as e:
             # TODO: misbehaving
-            self._sc.log.debug('[rm] process_handshake %s', str(e))
+            self._sc.log.debug("[rm] process_handshake %s", str(e))
 
     def process_ping(self, peer, msg_mv):
         nonce = peer._recv_nonce[:24]
 
         cipher = ChaCha20_Poly1305.new(key=peer._ke, nonce=nonce)
-        cipher.update(msg_mv[0: 2])
+        cipher.update(msg_mv[0:2])
         cipher.update(nonce)
 
         mac = msg_mv[-16:]
-        plaintext = cipher.decrypt_and_verify(msg_mv[2: -16], mac)
+        plaintext = cipher.decrypt_and_verify(msg_mv[2:-16], mac)
 
-        ping_nonce = int.from_bytes(plaintext[:4], 'big')
+        ping_nonce = int.from_bytes(plaintext[:4], "big")
         # Version is added to a ping following a handshake message
         if len(plaintext) >= 10:
             peer._ready = True
-            version = plaintext[4: 10]
+            version = plaintext[4:10]
             if peer._version is None:
                 peer._version = version
-                self._sc.log.debug('Set version from ping %s, %s', peer._pubkey.hex(), peer._version.hex())
+                self._sc.log.debug(
+                    "Set version from ping %s, %s",
+                    peer._pubkey.hex(),
+                    peer._version.hex(),
+                )
 
         peer._recv_nonce = hashlib.sha256(nonce + mac).digest()
 
@@ -443,32 +507,32 @@ class Network:
         nonce = peer._recv_nonce[:24]
 
         cipher = ChaCha20_Poly1305.new(key=peer._ke, nonce=nonce)
-        cipher.update(msg_mv[0: 2])
+        cipher.update(msg_mv[0:2])
         cipher.update(nonce)
 
         mac = msg_mv[-16:]
-        plaintext = cipher.decrypt_and_verify(msg_mv[2: -16], mac)
+        plaintext = cipher.decrypt_and_verify(msg_mv[2:-16], mac)
 
-        pong_nonce = int.from_bytes(plaintext[:4], 'big')
+        pong_nonce = int.from_bytes(plaintext[:4], "big")
 
         if pong_nonce == peer._ping_nonce:
             peer._last_ping_rtt = (time.time_ns() // 1000) - peer._last_ping_at
         else:
-            self._sc.log.debug('Pong received out of order %s', peer._address)
+            self._sc.log.debug("Pong received out of order %s", peer._address)
 
         peer._recv_nonce = hashlib.sha256(nonce + mac).digest()
 
     def send_ping(self, peer):
         ping_nonce = random.getrandbits(32)
 
-        msg_bytes = int(NetMessageTypes.PING).to_bytes(2, 'big')
+        msg_bytes = int(NetMessageTypes.PING).to_bytes(2, "big")
         nonce = peer._sent_nonce[:24]
 
         cipher = ChaCha20_Poly1305.new(key=peer._ke, nonce=nonce)
         cipher.update(msg_bytes)
         cipher.update(nonce)
 
-        payload = ping_nonce.to_bytes(4, 'big')
+        payload = ping_nonce.to_bytes(4, "big")
         if peer._last_ping_at == 0:
             payload += self._sc._version
         ct, mac = cipher.encrypt_and_digest(payload)
@@ -483,14 +547,14 @@ class Network:
         self.send_msg(peer, msg_bytes)
 
     def send_pong(self, peer, ping_nonce):
-        msg_bytes = int(NetMessageTypes.PONG).to_bytes(2, 'big')
+        msg_bytes = int(NetMessageTypes.PONG).to_bytes(2, "big")
         nonce = peer._sent_nonce[:24]
 
         cipher = ChaCha20_Poly1305.new(key=peer._ke, nonce=nonce)
         cipher.update(msg_bytes)
         cipher.update(nonce)
 
-        payload = ping_nonce.to_bytes(4, 'big')
+        payload = ping_nonce.to_bytes(4, "big")
         ct, mac = cipher.encrypt_and_digest(payload)
         msg_bytes += ct + mac
 
@@ -502,19 +566,21 @@ class Network:
         msg_encoded = msg if isinstance(msg, bytes) else msg.encode()
         len_encoded = len(msg_encoded)
 
-        msg_packed = bytearray(MSG_START_TOKEN) + len_encoded.to_bytes(4, 'big') + msg_encoded
+        msg_packed = (
+            bytearray(MSG_START_TOKEN) + len_encoded.to_bytes(4, "big") + msg_encoded
+        )
         peer._socket.sendall(msg_packed)
 
         peer._bytes_sent += len_encoded
 
     def process_message(self, peer, msg_bytes):
-        logging.info('[rm] process_message %s len %d', peer._address, len(msg_bytes))
+        logging.info("[rm] process_message %s len %d", peer._address, len(msg_bytes))
 
         peer._mx.acquire()
         try:
             mv = memoryview(msg_bytes)
             o = 0
-            msg_type = int.from_bytes(mv[o: o + 2], 'big')
+            msg_type = int.from_bytes(mv[o : o + 2], "big")
             if msg_type == NetMessageTypes.HANDSHAKE:
                 self.process_handshake(peer, mv)
             elif msg_type == NetMessageTypes.PING:
@@ -522,7 +588,7 @@ class Network:
             elif msg_type == NetMessageTypes.PONG:
                 self.process_pong(peer, mv)
             else:
-                self._sc.log.debug('Unknown message type %d', msg_type)
+                self._sc.log.debug("Unknown message type %d", msg_type)
         finally:
             peer._mx.release()
 
@@ -533,7 +599,6 @@ class Network:
         peer._last_received_at = time.time()
         peer._bytes_received += len_received
 
-        invalid_msg = False
         mv = memoryview(bytes_recv)
 
         o = 0
@@ -541,34 +606,34 @@ class Network:
             while o < len_received:
                 if peer._receiving_length == 0:
                     if len(bytes_recv) < MSG_HEADER_LEN:
-                        raise ValueError('Msg too short')
+                        raise ValueError("Msg too short")
 
-                    if mv[o: o + 2] != MSG_START_TOKEN:
-                        raise ValueError('Invalid start token')
+                    if mv[o : o + 2] != MSG_START_TOKEN:
+                        raise ValueError("Invalid start token")
                     o += 2
 
-                    msg_len = int.from_bytes(mv[o: o + 4], 'big')
+                    msg_len = int.from_bytes(mv[o : o + 4], "big")
                     o += 4
                     if msg_len < 2 or msg_len > MSG_MAX_SIZE:
-                        raise ValueError('Invalid data length')
+                        raise ValueError("Invalid data length")
 
                     # Precheck msg_type
-                    msg_type = int.from_bytes(mv[o: o + 2], 'big')
+                    msg_type = int.from_bytes(mv[o : o + 2], "big")
                     # o += 2  # Don't inc offset, msg includes type
                     if not NetMessageTypes.has_value(msg_type):
-                        raise ValueError('Invalid msg type')
+                        raise ValueError("Invalid msg type")
 
                     peer._receiving_length = msg_len
-                    len_pkt = (len_received - o)
+                    len_pkt = len_received - o
                     nc = msg_len if len_pkt > msg_len else len_pkt
 
-                    peer._receiving_buffer = mv[o: o + nc]
+                    peer._receiving_buffer = mv[o : o + nc]
                     o += nc
                 else:
                     len_to_go = peer._receiving_length - len(peer._receiving_buffer)
-                    len_pkt = (len_received - o)
+                    len_pkt = len_received - o
                     nc = len_to_go if len_pkt > len_to_go else len_pkt
-                    peer._receiving_buffer = mv[o: o + nc]
+                    peer._receiving_buffer = mv[o : o + nc]
                     o += nc
                 if len(peer._receiving_buffer) == peer._receiving_length:
                     peer._recv_messages.put(peer._receiving_buffer)
@@ -576,11 +641,13 @@ class Network:
 
         except Exception as e:
             if self._sc.debug:
-                self._sc.log.error('Invalid message received from %s %s', peer._address, str(e))
+                self._sc.log.error(
+                    "Invalid message received from %s %s", peer._address, str(e)
+                )
             # TODO: misbehaving
 
     def test_onion(self, path):
-        self._sc.log.debug('test_onion packet')
+        self._sc.log.debug("test_onion packet")
 
     def get_info(self):
         rv = {}
@@ -589,14 +656,14 @@ class Network:
         with self._mx:
             for peer in self._peers:
                 peer_info = {
-                    'pubkey': 'Unknown' if not peer._pubkey else peer._pubkey.hex(),
-                    'address': '{}:{}'.format(peer._address[0], peer._address[1]),
-                    'bytessent': peer._bytes_sent,
-                    'bytesrecv': peer._bytes_received,
-                    'ready': peer._ready,
-                    'incoming': peer._incoming,
+                    "pubkey": "Unknown" if not peer._pubkey else peer._pubkey.hex(),
+                    "address": "{}:{}".format(peer._address[0], peer._address[1]),
+                    "bytessent": peer._bytes_sent,
+                    "bytesrecv": peer._bytes_received,
+                    "ready": peer._ready,
+                    "incoming": peer._incoming,
                 }
                 peers.append(peer_info)
 
-        rv['peers'] = peers
+        rv["peers"] = peers
         return rv

basicswap/pgp/keys/dash_pasta.pgp

@@ -0,0 +1,166 @@
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+
+mQINBF1ULyUBEADFFliU0Hr+PRCQNT9/9ZEhZtLmMMu7tai3VCxhmrHrOpNJJHqX
+f1/CeUyBhmCvXpKIpAAbH66l/Uc9GH5UgMZ19gMyGa3q3QJn9A6RR9ud4ALRg60P
+fmYTAci+6Luko7bqTzkS+fYOUSy/LY57s5ANTpveE+iTsBd5grXczCxaYYnthKKA
+ecmTs8GzQH8XEUgy6fduHcGySzMBj87daZBmPl2zninbTmOYkzev38HXFpr6KinJ
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+uUbNlxKiXiVW/OPmCjjI89Okt3dZGCTicEAPzJ6LTpoVgo4n/Eu81nMm6caf++Pz
+z1vEI3bJdPHPYyI+gN64mEhfP4OJu8v2XTbj+0ua3JxYWilxF7haytApmaPqeT7u
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+otayuEy6WL3LB2UUsM4UB4FPSUwcFvnkV8YzBSV8Rqx+mkOFM6BhxzwK0zPvY+vv
++rXSwz7uE/yrToqO9KvGhFxMwMwzTRAJXI870fJQ9c5z2LzxoNg5gOUQH4vPG6YQ
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basicswap/pgp/keys/nicolasdorier.asc

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+-----BEGIN PGP PUBLIC KEY BLOCK-----
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+Version: Keybase Go 2.6.0 (linux)
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+Version: Keybase Go 5.0.0 (windows)
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basicswap/pgp/sigs/utxo-snapshot-bitcoin-mainnet-820852.tar.asc

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+-----BEGIN PGP SIGNED MESSAGE-----
+Hash: SHA256
+
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+744c42885df700513331a978b289d9c9d5b27e0cf1147f2f5a287b4492ff940c  utxo-snapshot-bitcoin-mainnet-867690.tar
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basicswap/protocols/__init__.py

@@ -16,19 +16,26 @@ class ProtocolInterface:
     swap_type = None
 
     def getFundedInitiateTxTemplate(self, ci, amount: int, sub_fee: bool) -> bytes:
-        raise ValueError('base class')
+        raise ValueError("base class")
 
     def getMockScript(self) -> bytearray:
-        return bytearray([
-            OpCodes.OP_RETURN, OpCodes.OP_1])
+        return bytearray([OpCodes.OP_RETURN, OpCodes.OP_1])
 
     def getMockScriptScriptPubkey(self, ci) -> bytearray:
         script = self.getMockScript()
-        return ci.getScriptDest(script) if ci._use_segwit else ci.get_p2sh_script_pubkey(script)
+        return (
+            ci.getScriptDest(script)
+            if ci._use_segwit
+            else ci.get_p2sh_script_pubkey(script)
+        )
 
     def getMockAddrTo(self, ci):
         script = self.getMockScript()
-        return ci.encodeScriptDest(ci.getScriptDest(script)) if ci._use_segwit else ci.encode_p2sh(script)
+        return (
+            ci.encodeScriptDest(ci.getScriptDest(script))
+            if ci._use_segwit
+            else ci.encode_p2sh(script)
+        )
 
     def findMockVout(self, ci, itx_decoded):
         mock_addr = self.getMockAddrTo(ci)

basicswap/protocols/atomic_swap_1.py

@@ -26,73 +26,91 @@ INITIATE_TX_TIMEOUT = 40 * 60  # TODO: make variable per coin
 ABS_LOCK_TIME_LEEWAY = 10 * 60
 
 
-def buildContractScript(lock_val: int, secret_hash: bytes, pkh_redeem: bytes, pkh_refund: bytes, op_lock=OpCodes.OP_CHECKSEQUENCEVERIFY, op_hash=OpCodes.OP_SHA256) -> bytearray:
-    script = bytearray([
-        OpCodes.OP_IF,
-        OpCodes.OP_SIZE,
-        0x01, 0x20,  # 32
-        OpCodes.OP_EQUALVERIFY,
-        op_hash,
-        0x20]) \
-        + secret_hash \
-        + bytearray([
-            OpCodes.OP_EQUALVERIFY,
-            OpCodes.OP_DUP,
-            OpCodes.OP_HASH160,
-            0x14]) \
-        + pkh_redeem \
-        + bytearray([OpCodes.OP_ELSE, ]) \
-        + SerialiseNum(lock_val) \
-        + bytearray([
-            op_lock,
-            OpCodes.OP_DROP,
-            OpCodes.OP_DUP,
-            OpCodes.OP_HASH160,
-            0x14]) \
-        + pkh_refund \
-        + bytearray([
-            OpCodes.OP_ENDIF,
-            OpCodes.OP_EQUALVERIFY,
-            OpCodes.OP_CHECKSIG])
+def buildContractScript(
+    lock_val: int,
+    secret_hash: bytes,
+    pkh_redeem: bytes,
+    pkh_refund: bytes,
+    op_lock=OpCodes.OP_CHECKSEQUENCEVERIFY,
+    op_hash=OpCodes.OP_SHA256,
+) -> bytearray:
+    script = (
+        bytearray(
+            [
+                OpCodes.OP_IF,
+                OpCodes.OP_SIZE,
+                0x01,
+                0x20,  # 32
+                OpCodes.OP_EQUALVERIFY,
+                op_hash,
+                0x20,
+            ]
+        )
+        + secret_hash
+        + bytearray([OpCodes.OP_EQUALVERIFY, OpCodes.OP_DUP, OpCodes.OP_HASH160, 0x14])
+        + pkh_redeem
+        + bytearray(
+            [
+                OpCodes.OP_ELSE,
+            ]
+        )
+        + SerialiseNum(lock_val)
+        + bytearray(
+            [op_lock, OpCodes.OP_DROP, OpCodes.OP_DUP, OpCodes.OP_HASH160, 0x14]
+        )
+        + pkh_refund
+        + bytearray([OpCodes.OP_ENDIF, OpCodes.OP_EQUALVERIFY, OpCodes.OP_CHECKSIG])
+    )
     return script
 
 
-def verifyContractScript(script, op_lock=OpCodes.OP_CHECKSEQUENCEVERIFY, op_hash=OpCodes.OP_SHA256):
-    if script[0] != OpCodes.OP_IF or \
-       script[1] != OpCodes.OP_SIZE or \
-       script[2] != 0x01 or script[3] != 0x20 or \
-       script[4] != OpCodes.OP_EQUALVERIFY or \
-       script[5] != op_hash or \
-       script[6] != 0x20:
+def verifyContractScript(
+    script, op_lock=OpCodes.OP_CHECKSEQUENCEVERIFY, op_hash=OpCodes.OP_SHA256
+):
+    if (
+        script[0] != OpCodes.OP_IF
+        or script[1] != OpCodes.OP_SIZE
+        or script[2] != 0x01
+        or script[3] != 0x20
+        or script[4] != OpCodes.OP_EQUALVERIFY
+        or script[5] != op_hash
+        or script[6] != 0x20
+    ):
         return False, None, None, None, None
     o = 7
-    script_hash = script[o: o + 32]
+    script_hash = script[o : o + 32]
     o += 32
-    if script[o] != OpCodes.OP_EQUALVERIFY or \
-       script[o + 1] != OpCodes.OP_DUP or \
-       script[o + 2] != OpCodes.OP_HASH160 or \
-       script[o + 3] != 0x14:
+    if (
+        script[o] != OpCodes.OP_EQUALVERIFY
+        or script[o + 1] != OpCodes.OP_DUP
+        or script[o + 2] != OpCodes.OP_HASH160
+        or script[o + 3] != 0x14
+    ):
         return False, script_hash, None, None, None
     o += 4
-    pkh_redeem = script[o: o + 20]
+    pkh_redeem = script[o : o + 20]
     o += 20
     if script[o] != OpCodes.OP_ELSE:
         return False, script_hash, pkh_redeem, None, None
     o += 1
     lock_val, nb = decodeScriptNum(script, o)
     o += nb
-    if script[o] != op_lock or \
-       script[o + 1] != OpCodes.OP_DROP or \
-       script[o + 2] != OpCodes.OP_DUP or \
-       script[o + 3] != OpCodes.OP_HASH160 or \
-       script[o + 4] != 0x14:
+    if (
+        script[o] != op_lock
+        or script[o + 1] != OpCodes.OP_DROP
+        or script[o + 2] != OpCodes.OP_DUP
+        or script[o + 3] != OpCodes.OP_HASH160
+        or script[o + 4] != 0x14
+    ):
         return False, script_hash, pkh_redeem, lock_val, None
     o += 5
-    pkh_refund = script[o: o + 20]
+    pkh_refund = script[o : o + 20]
     o += 20
-    if script[o] != OpCodes.OP_ENDIF or \
-       script[o + 1] != OpCodes.OP_EQUALVERIFY or \
-       script[o + 2] != OpCodes.OP_CHECKSIG:
+    if (
+        script[o] != OpCodes.OP_ENDIF
+        or script[o + 1] != OpCodes.OP_EQUALVERIFY
+        or script[o + 2] != OpCodes.OP_CHECKSIG
+    ):
         return False, script_hash, pkh_redeem, lock_val, pkh_refund
     return True, script_hash, pkh_redeem, lock_val, pkh_refund
 
@@ -101,16 +119,23 @@ def extractScriptSecretHash(script):
     return script[7:39]
 
 
-def redeemITx(self, bid_id: bytes, session):
-    bid, offer = self.getBidAndOffer(bid_id, session)
+def redeemITx(self, bid_id: bytes, cursor):
+    bid, offer = self.getBidAndOffer(bid_id, cursor)
     ci_from = self.ci(offer.coin_from)
 
-    txn = self.createRedeemTxn(ci_from.coin_type(), bid, for_txn_type='initiate', session=session)
+    txn = self.createRedeemTxn(
+        ci_from.coin_type(), bid, for_txn_type="initiate", cursor=cursor
+    )
     txid = ci_from.publishTx(bytes.fromhex(txn))
 
     bid.initiate_tx.spend_txid = bytes.fromhex(txid)
-    self.log.debug('Submitted initiate redeem txn %s to %s chain for bid %s', txid, ci_from.coin_name(), bid_id.hex())
-    self.logEvent(Concepts.BID, bid_id, EventLogTypes.ITX_REDEEM_PUBLISHED, '', session)
+    self.log.debug(
+        "Submitted initiate redeem txn %s to %s chain for bid %s",
+        txid,
+        ci_from.coin_name(),
+        bid_id.hex(),
+    )
+    self.logEvent(Concepts.BID, bid_id, EventLogTypes.ITX_REDEEM_PUBLISHED, "", cursor)
 
 
 class AtomicSwapInterface(ProtocolInterface):
@@ -118,13 +143,19 @@ class AtomicSwapInterface(ProtocolInterface):
 
     def getFundedInitiateTxTemplate(self, ci, amount: int, sub_fee: bool) -> bytes:
         addr_to = self.getMockAddrTo(ci)
-        funded_tx = ci.createRawFundedTransaction(addr_to, amount, sub_fee, lock_unspents=False)
+        funded_tx = ci.createRawFundedTransaction(
+            addr_to, amount, sub_fee, lock_unspents=False
+        )
 
         return bytes.fromhex(funded_tx)
 
     def promoteMockTx(self, ci, mock_tx: bytes, script: bytearray) -> bytearray:
         mock_txo_script = self.getMockScriptScriptPubkey(ci)
-        real_txo_script = ci.getScriptDest(script) if ci._use_segwit else ci.get_p2sh_script_pubkey(script)
+        real_txo_script = (
+            ci.getScriptDest(script)
+            if ci._use_segwit
+            else ci.get_p2sh_script_pubkey(script)
+        )
 
         found: int = 0
         ctx = ci.loadTx(mock_tx)
@@ -134,9 +165,9 @@ class AtomicSwapInterface(ProtocolInterface):
                 found += 1
 
         if found < 1:
-            raise ValueError('Mocked output not found')
+            raise ValueError("Mocked output not found")
         if found > 1:
-            raise ValueError('Too many mocked outputs found')
+            raise ValueError("Too many mocked outputs found")
         ctx.nLockTime = 0
 
         funded_tx = ctx.serialize()

basicswap/protocols/xmr_swap_1.py

@@ -1,9 +1,12 @@
 # -*- coding: utf-8 -*-
 
 # Copyright (c) 2020-2024 tecnovert
+# Copyright (c) 2024-2025 The Basicswap developers
 # Distributed under the MIT software license, see the accompanying
 # file LICENSE or http://www.opensource.org/licenses/mit-license.php.
 
+import traceback
+
 from basicswap.util import (
     ensure,
 )
@@ -12,23 +15,23 @@ from basicswap.chainparams import (
     Coins,
 )
 from basicswap.basicswap_util import (
+    EventLogTypes,
     KeyTypes,
     SwapTypes,
-    EventLogTypes,
+    TxTypes,
 )
 from . import ProtocolInterface
-from basicswap.contrib.test_framework.script import (
-    CScript, CScriptOp,
-    OP_CHECKMULTISIG
-)
+from basicswap.contrib.test_framework.script import CScript, CScriptOp, OP_CHECKMULTISIG
 
 
 def addLockRefundSigs(self, xmr_swap, ci):
-    self.log.debug('Setting lock refund tx sigs')
+    self.log.debug("Setting lock refund tx sigs")
 
     witness_stack = []
-    if ci.coin_type() not in (Coins.DCR, ):
-        witness_stack += [b'', ]
+    if ci.coin_type() not in (Coins.DCR,):
+        witness_stack += [
+            b"",
+        ]
     witness_stack += [
         xmr_swap.al_lock_refund_tx_sig,
         xmr_swap.af_lock_refund_tx_sig,
@@ -36,63 +39,125 @@ def addLockRefundSigs(self, xmr_swap, ci):
     ]
 
     signed_tx = ci.setTxSignature(xmr_swap.a_lock_refund_tx, witness_stack)
-    ensure(signed_tx, 'setTxSignature failed')
+    ensure(signed_tx, "setTxSignature failed")
     xmr_swap.a_lock_refund_tx = signed_tx
 
 
-def recoverNoScriptTxnWithKey(self, bid_id: bytes, encoded_key):
-    self.log.info('Manually recovering %s', bid_id.hex())
+def recoverNoScriptTxnWithKey(self, bid_id: bytes, encoded_key, cursor=None):
+    self.log.info(f"Manually recovering {self.log.id(bid_id)}")
     # Manually recover txn if other key is known
-    session = self.openSession()
     try:
-        bid, xmr_swap = self.getXmrBidFromSession(session, bid_id)
-        ensure(bid, 'Bid not found: {}.'.format(bid_id.hex()))
-        ensure(xmr_swap, 'Adaptor-sig swap not found: {}.'.format(bid_id.hex()))
-        offer, xmr_offer = self.getXmrOfferFromSession(session, bid.offer_id, sent=False)
-        ensure(offer, 'Offer not found: {}.'.format(bid.offer_id.hex()))
-        ensure(xmr_offer, 'Adaptor-sig offer not found: {}.'.format(bid.offer_id.hex()))
-        ci_to = self.ci(offer.coin_to)
+        use_cursor = self.openDB(cursor)
+        bid, xmr_swap = self.getXmrBidFromSession(use_cursor, bid_id)
+        ensure(bid, "Bid not found: {}.".format(bid_id.hex()))
+        ensure(xmr_swap, "Adaptor-sig swap not found: {}.".format(bid_id.hex()))
+        offer, xmr_offer = self.getXmrOfferFromSession(use_cursor, bid.offer_id)
+        ensure(offer, "Offer not found: {}.".format(bid.offer_id.hex()))
+        ensure(xmr_offer, "Adaptor-sig offer not found: {}.".format(bid.offer_id.hex()))
 
-        for_ed25519 = True if Coins(offer.coin_to) == Coins.XMR else False
+        # The no-script coin is always the follower
+        reverse_bid: bool = self.is_reverse_ads_bid(offer.coin_from, offer.coin_to)
+        ci_from = self.ci(Coins(offer.coin_from))
+        ci_to = self.ci(Coins(offer.coin_to))
+        ci_follower = ci_from if reverse_bid else ci_to
 
         try:
-            decoded_key_half = ci_to.decodeKey(encoded_key)
+            decoded_key_half = ci_follower.decodeKey(encoded_key)
         except Exception as e:
-            raise ValueError('Failed to decode provided key-half: ', str(e))
+            raise ValueError("Failed to decode provided key-half: ", str(e))
 
-        if bid.was_sent:
+        was_sent: bool = bid.was_received if reverse_bid else bid.was_sent
+
+        localkeyhalf = ci_follower.decodeKey(
+            getChainBSplitKey(self, bid, xmr_swap, offer)
+        )
+        if was_sent:
             kbsl = decoded_key_half
-            kbsf = self.getPathKey(offer.coin_from, offer.coin_to, bid.created_at, xmr_swap.contract_count, KeyTypes.KBSF, for_ed25519)
+            kbsf = localkeyhalf
         else:
-            kbsl = self.getPathKey(offer.coin_from, offer.coin_to, bid.created_at, xmr_swap.contract_count, KeyTypes.KBSL, for_ed25519)
+            kbsl = localkeyhalf
             kbsf = decoded_key_half
-        ensure(ci_to.verifyKey(kbsl), 'Invalid kbsl')
-        ensure(ci_to.verifyKey(kbsf), 'Invalid kbsf')
-        vkbs = ci_to.sumKeys(kbsl, kbsf)
 
-        if offer.coin_to == Coins.XMR:
-            address_to = self.getCachedMainWalletAddress(ci_to)
+        ensure(ci_follower.verifyKey(kbsl), "Invalid kbsl")
+        ensure(ci_follower.verifyKey(kbsf), "Invalid kbsf")
+        if kbsl == kbsf:
+            raise ValueError("Provided key matches local key")
+        vkbs = ci_follower.sumKeys(kbsl, kbsf)
+
+        ensure(ci_follower.verifyPubkey(xmr_swap.pkbs), "Invalid pkbs")  # Sanity check
+
+        # Ensure summed key matches the expected pubkey
+        summed_pkbs = ci_follower.getPubkey(vkbs)
+        if summed_pkbs != xmr_swap.pkbs:
+            err_msg: str = "Summed key does not match expected wallet spend pubkey"
+            self.log.error(
+                f"{err_msg}. Got: {summed_pkbs.hex()}, Expect: {xmr_swap.pkbs.hex()}"
+            )
+            raise ValueError(err_msg)
+
+        coin_to: int = ci_follower.interface_type()
+        base_coin_to: int = ci_follower.coin_type()
+        if coin_to in (Coins.XMR, Coins.WOW):
+            address_to = self.getCachedMainWalletAddress(ci_follower, use_cursor)
+        elif coin_to in (Coins.PART_BLIND, Coins.PART_ANON):
+            address_to = self.getCachedStealthAddressForCoin(base_coin_to, use_cursor)
         else:
-            address_to = self.getCachedStealthAddressForCoin(offer.coin_to)
-
+            address_to = self.getReceiveAddressFromPool(
+                base_coin_to, bid_id, TxTypes.XMR_SWAP_B_LOCK_SPEND, use_cursor
+            )
         amount = bid.amount_to
         lock_tx_vout = bid.getLockTXBVout()
-        txid = ci_to.spendBLockTx(xmr_swap.b_lock_tx_id, address_to, xmr_swap.vkbv, vkbs, amount, xmr_offer.b_fee_rate, bid.chain_b_height_start, spend_actual_balance=True, lock_tx_vout=lock_tx_vout)
-        self.log.debug('Submitted lock B spend txn %s to %s chain for bid %s', txid.hex(), ci_to.coin_name(), bid_id.hex())
-        self.logBidEvent(bid.bid_id, EventLogTypes.LOCK_TX_B_SPEND_TX_PUBLISHED, txid.hex(), session)
-        session.commit()
+        txid = ci_follower.spendBLockTx(
+            xmr_swap.b_lock_tx_id,
+            address_to,
+            xmr_swap.vkbv,
+            vkbs,
+            amount,
+            xmr_offer.b_fee_rate,
+            bid.chain_b_height_start,
+            spend_actual_balance=True,
+            lock_tx_vout=lock_tx_vout,
+        )
+        self.log.debug(
+            f"Submitted lock B spend txn {self.log.id(txid)} to {ci_follower.coin_name()} chain for bid {self.log.id(bid_id)}."
+        )
+        self.logBidEvent(
+            bid.bid_id,
+            EventLogTypes.LOCK_TX_B_SPEND_TX_PUBLISHED,
+            txid.hex(),
+            use_cursor,
+        )
+        self.commitDB()
 
         return txid
+    except Exception as e:
+        self.log.error(traceback.format_exc())
+        raise (e)
     finally:
-        self.closeSession(session, commit=False)
+        if cursor is None:
+            self.closeDB(use_cursor, commit=False)
 
 
 def getChainBSplitKey(swap_client, bid, xmr_swap, offer):
     reverse_bid: bool = offer.bid_reversed
+    ci_leader = swap_client.ci(offer.coin_to if reverse_bid else offer.coin_from)
     ci_follower = swap_client.ci(offer.coin_from if reverse_bid else offer.coin_to)
 
-    key_type = KeyTypes.KBSF if bid.was_sent else KeyTypes.KBSL
-    return ci_follower.encodeKey(swap_client.getPathKey(offer.coin_from, offer.coin_to, bid.created_at, xmr_swap.contract_count, key_type, True if ci_follower.coin_type() == Coins.XMR else False))
+    for_ed25519: bool = True if ci_follower.curve_type() == Curves.ed25519 else False
+    was_sent: bool = bid.was_received if reverse_bid else bid.was_sent
+
+    key_type = KeyTypes.KBSF if was_sent else KeyTypes.KBSL
+
+    return ci_follower.encodeKey(
+        swap_client.getPathKey(
+            ci_leader.interface_type(),
+            ci_follower.interface_type(),
+            bid.created_at,
+            xmr_swap.contract_count,
+            key_type,
+            for_ed25519,
+        )
+    )
 
 
 def getChainBRemoteSplitKey(swap_client, bid, xmr_swap, offer):
@@ -102,13 +167,21 @@ def getChainBRemoteSplitKey(swap_client, bid, xmr_swap, offer):
 
     if bid.was_sent:
         if xmr_swap.a_lock_refund_spend_tx:
-            af_lock_refund_spend_tx_sig = ci_leader.extractFollowerSig(xmr_swap.a_lock_refund_spend_tx)
-            kbsl = ci_leader.recoverEncKey(xmr_swap.af_lock_refund_spend_tx_esig, af_lock_refund_spend_tx_sig, xmr_swap.pkasl)
+            af_lock_refund_spend_tx_sig = ci_leader.extractFollowerSig(
+                xmr_swap.a_lock_refund_spend_tx
+            )
+            kbsl = ci_leader.recoverEncKey(
+                xmr_swap.af_lock_refund_spend_tx_esig,
+                af_lock_refund_spend_tx_sig,
+                xmr_swap.pkasl,
+            )
             return ci_follower.encodeKey(kbsl)
     else:
         if xmr_swap.a_lock_spend_tx:
             al_lock_spend_tx_sig = ci_leader.extractLeaderSig(xmr_swap.a_lock_spend_tx)
-            kbsf = ci_leader.recoverEncKey(xmr_swap.al_lock_spend_tx_esig, al_lock_spend_tx_sig, xmr_swap.pkasf)
+            kbsf = ci_leader.recoverEncKey(
+                xmr_swap.al_lock_spend_tx_esig, al_lock_spend_tx_sig, xmr_swap.pkasf
+            )
             return ci_follower.encodeKey(kbsf)
     return None
 
@@ -116,24 +189,32 @@ def getChainBRemoteSplitKey(swap_client, bid, xmr_swap, offer):
 def setDLEAG(xmr_swap, ci_to, kbsf: bytes) -> None:
     if ci_to.curve_type() == Curves.ed25519:
         xmr_swap.kbsf_dleag = ci_to.proveDLEAG(kbsf)
-        xmr_swap.pkasf = xmr_swap.kbsf_dleag[0: 33]
+        xmr_swap.pkasf = xmr_swap.kbsf_dleag[0:33]
     elif ci_to.curve_type() == Curves.secp256k1:
         for i in range(10):
-            xmr_swap.kbsf_dleag = ci_to.signRecoverable(kbsf, 'proof kbsf owned for swap')
-            pk_recovered: bytes = ci_to.verifySigAndRecover(xmr_swap.kbsf_dleag, 'proof kbsf owned for swap')
+            xmr_swap.kbsf_dleag = ci_to.signRecoverable(
+                kbsf, "proof kbsf owned for swap"
+            )
+            pk_recovered: bytes = ci_to.verifySigAndRecover(
+                xmr_swap.kbsf_dleag, "proof kbsf owned for swap"
+            )
             if pk_recovered == xmr_swap.pkbsf:
                 break
             # self.log.debug('kbsl recovered pubkey mismatch, retrying.')
-        assert (pk_recovered == xmr_swap.pkbsf)
+        assert pk_recovered == xmr_swap.pkbsf
         xmr_swap.pkasf = xmr_swap.pkbsf
     else:
-        raise ValueError('Unknown curve')
+        raise ValueError("Unknown curve")
 
 
 class XmrSwapInterface(ProtocolInterface):
     swap_type = SwapTypes.XMR_SWAP
 
-    def genScriptLockTxScript(self, ci, Kal: bytes, Kaf: bytes) -> CScript:
+    def genScriptLockTxScript(self, ci, Kal: bytes, Kaf: bytes, **kwargs) -> CScript:
+        # fallthrough to ci if genScriptLockTxScript is implemented there
+        if hasattr(ci, "genScriptLockTxScript") and callable(ci.genScriptLockTxScript):
+            return ci.genScriptLockTxScript(ci, Kal, Kaf, **kwargs)
+
         Kal_enc = Kal if len(Kal) == 33 else ci.encodePubkey(Kal)
         Kaf_enc = Kaf if len(Kaf) == 33 else ci.encodePubkey(Kaf)
 
@@ -141,7 +222,9 @@ class XmrSwapInterface(ProtocolInterface):
 
     def getFundedInitiateTxTemplate(self, ci, amount: int, sub_fee: bool) -> bytes:
         addr_to = self.getMockAddrTo(ci)
-        funded_tx = ci.createRawFundedTransaction(addr_to, amount, sub_fee, lock_unspents=False)
+        funded_tx = ci.createRawFundedTransaction(
+            addr_to, amount, sub_fee, lock_unspents=False
+        )
 
         return bytes.fromhex(funded_tx)
 
@@ -157,9 +240,9 @@ class XmrSwapInterface(ProtocolInterface):
                 found += 1
 
         if found < 1:
-            raise ValueError('Mocked output not found')
+            raise ValueError("Mocked output not found")
         if found > 1:
-            raise ValueError('Too many mocked outputs found')
+            raise ValueError("Too many mocked outputs found")
         ctx.nLockTime = 0
 
         return ctx.serialize()

basicswap/rpc.py

@@ -18,31 +18,42 @@ from xmlrpc.client import (
 from .util import jsonDecimal
 
 
-class Jsonrpc():
+class Jsonrpc:
     # __getattr__ complicates extending ServerProxy
-    def __init__(self, uri, transport=None, encoding=None, verbose=False,
-                 allow_none=False, use_datetime=False, use_builtin_types=False,
-                 *, context=None):
+    def __init__(
+        self,
+        uri,
+        transport=None,
+        encoding=None,
+        verbose=False,
+        allow_none=False,
+        use_datetime=False,
+        use_builtin_types=False,
+        *,
+        context=None,
+    ):
         # establish a "logical" server connection
 
         # get the url
         parsed = urllib.parse.urlparse(uri)
-        if parsed.scheme not in ('http', 'https'):
-            raise OSError('unsupported XML-RPC protocol')
+        if parsed.scheme not in ("http", "https"):
+            raise OSError("unsupported XML-RPC protocol")
         self.__host = parsed.netloc
         self.__handler = parsed.path
         if not self.__handler:
-            self.__handler = '/RPC2'
+            self.__handler = "/RPC2"
 
         if transport is None:
-            handler = SafeTransport if parsed.scheme == 'https' else Transport
+            handler = SafeTransport if parsed.scheme == "https" else Transport
             extra_kwargs = {}
-            transport = handler(use_datetime=use_datetime,
-                                use_builtin_types=use_builtin_types,
-                                **extra_kwargs)
+            transport = handler(
+                use_datetime=use_datetime,
+                use_builtin_types=use_builtin_types,
+                **extra_kwargs,
+            )
         self.__transport = transport
 
-        self.__encoding = encoding or 'utf-8'
+        self.__encoding = encoding or "utf-8"
         self.__verbose = verbose
         self.__allow_none = allow_none
 
@@ -57,17 +68,16 @@ class Jsonrpc():
             connection = self.__transport.make_connection(self.__host)
             headers = self.__transport._extra_headers[:]
 
-            request_body = {
-                'method': method,
-                'params': params,
-                'id': self.__request_id
-            }
+            request_body = {"method": method, "params": params, "id": self.__request_id}
 
-            connection.putrequest('POST', self.__handler)
-            headers.append(('Content-Type', 'application/json'))
-            headers.append(('User-Agent', 'jsonrpc'))
+            connection.putrequest("POST", self.__handler)
+            headers.append(("Content-Type", "application/json"))
+            headers.append(("User-Agent", "jsonrpc"))
             self.__transport.send_headers(connection, headers)
-            self.__transport.send_content(connection, json.dumps(request_body, default=jsonDecimal).encode('utf-8'))
+            self.__transport.send_content(
+                connection,
+                json.dumps(request_body, default=jsonDecimal).encode("utf-8"),
+            )
             self.__request_id += 1
 
             resp = connection.getresponse()
@@ -82,55 +92,59 @@ class Jsonrpc():
             raise
 
 
-def callrpc(rpc_port, auth, method, params=[], wallet=None, host='127.0.0.1'):
+def callrpc(rpc_port, auth, method, params=[], wallet=None, host="127.0.0.1"):
     try:
-        url = 'http://{}@{}:{}/'.format(auth, host, rpc_port)
+        url = "http://{}@{}:{}/".format(auth, host, rpc_port)
         if wallet is not None:
-            url += 'wallet/' + urllib.parse.quote(wallet)
+            url += "wallet/" + urllib.parse.quote(wallet)
         x = Jsonrpc(url)
 
         v = x.json_request(method, params)
         x.close()
-        r = json.loads(v.decode('utf-8'))
+        r = json.loads(v.decode("utf-8"))
     except Exception as ex:
         traceback.print_exc()
-        raise ValueError('RPC server error ' + str(ex) + ', method: ' + method)
+        raise ValueError("RPC server error " + str(ex) + ", method: " + method)
 
-    if 'error' in r and r['error'] is not None:
-        raise ValueError('RPC error ' + str(r['error']))
+    if "error" in r and r["error"] is not None:
+        raise ValueError("RPC error " + str(r["error"]))
 
-    return r['result']
+    return r["result"]
 
 
-def openrpc(rpc_port, auth, wallet=None, host='127.0.0.1'):
+def openrpc(rpc_port, auth, wallet=None, host="127.0.0.1"):
     try:
-        url = 'http://{}@{}:{}/'.format(auth, host, rpc_port)
+        url = "http://{}@{}:{}/".format(auth, host, rpc_port)
         if wallet is not None:
-            url += 'wallet/' + urllib.parse.quote(wallet)
+            url += "wallet/" + urllib.parse.quote(wallet)
         return Jsonrpc(url)
     except Exception as ex:
         traceback.print_exc()
-        raise ValueError('RPC error ' + str(ex))
+        raise ValueError("RPC error " + str(ex))
 
 
-def callrpc_cli(bindir, datadir, chain, cmd, cli_bin='particl-cli', wallet=None):
+def callrpc_cli(bindir, datadir, chain, cmd, cli_bin="particl-cli", wallet=None):
     cli_bin = os.path.join(bindir, cli_bin)
 
-    args = [cli_bin, ]
-    if chain != 'mainnet':
-        args.append('-' + chain)
-    args.append('-datadir=' + datadir)
+    args = [
+        cli_bin,
+    ]
+    if chain != "mainnet":
+        args.append("-" + chain)
+    args.append("-datadir=" + datadir)
     if wallet is not None:
-        args.append('-rpcwallet=' + wallet)
+        args.append("-rpcwallet=" + wallet)
     args += shlex.split(cmd)
 
-    p = subprocess.Popen(args, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+    p = subprocess.Popen(
+        args, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE
+    )
     out = p.communicate()
 
     if len(out[1]) > 0:
-        raise ValueError('RPC error ' + str(out[1]))
+        raise ValueError("RPC error " + str(out[1]))
 
-    r = out[0].decode('utf-8').strip()
+    r = out[0].decode("utf-8").strip()
     try:
         r = json.loads(r)
     except Exception:
@@ -138,7 +152,7 @@ def callrpc_cli(bindir, datadir, chain, cmd, cli_bin='particl-cli', wallet=None)
     return r
 
 
-def make_rpc_func(port, auth, wallet=None, host='127.0.0.1'):
+def make_rpc_func(port, auth, wallet=None, host="127.0.0.1"):
     port = port
     auth = auth
     wallet = wallet
@@ -146,11 +160,19 @@ def make_rpc_func(port, auth, wallet=None, host='127.0.0.1'):
 
     def rpc_func(method, params=None, wallet_override=None):
         nonlocal port, auth, wallet, host
-        return callrpc(port, auth, method, params, wallet if wallet_override is None else wallet_override, host)
+        return callrpc(
+            port,
+            auth,
+            method,
+            params,
+            wallet if wallet_override is None else wallet_override,
+            host,
+        )
+
     return rpc_func
 
 
 def escape_rpcauth(auth_str: str) -> str:
-    username, password = auth_str.split(':', 1)
-    password = urllib.parse.quote(password, safe='')
-    return f'{username}:{password}'
+    username, password = auth_str.split(":", 1)
+    password = urllib.parse.quote(password, safe="")
+    return f"{username}:{password}"

basicswap/rpc_xmr.py

@@ -33,31 +33,50 @@ class SocksTransport(Transport):
             return self._connection[1]
         # create a HTTP connection object from a host descriptor
         chost, self._extra_headers, x509 = self.get_host_info(host)
-        self._connection = host, SocksiPyConnection(self.proxy_type, self.proxy_host, self.proxy_port, self.proxy_rdns, self.proxy_username, self.proxy_password, chost)
+        self._connection = host, SocksiPyConnection(
+            self.proxy_type,
+            self.proxy_host,
+            self.proxy_port,
+            self.proxy_rdns,
+            self.proxy_username,
+            self.proxy_password,
+            chost,
+        )
         return self._connection[1]
 
 
-class JsonrpcDigest():
+class JsonrpcDigest:
     # __getattr__ complicates extending ServerProxy
-    def __init__(self, uri, transport=None, encoding=None, verbose=False,
-                 allow_none=False, use_datetime=False, use_builtin_types=False,
-                 *, context=None):
+    def __init__(
+        self,
+        uri,
+        transport=None,
+        encoding=None,
+        verbose=False,
+        allow_none=False,
+        use_datetime=False,
+        use_builtin_types=False,
+        *,
+        context=None,
+    ):
 
         parsed = urllib.parse.urlparse(uri)
-        if parsed.scheme not in ('http', 'https'):
-            raise OSError('unsupported XML-RPC protocol')
+        if parsed.scheme not in ("http", "https"):
+            raise OSError("unsupported XML-RPC protocol")
         self.__host = parsed.netloc
         self.__handler = parsed.path
 
         if transport is None:
-            handler = SafeTransport if parsed.scheme == 'https' else Transport
+            handler = SafeTransport if parsed.scheme == "https" else Transport
             extra_kwargs = {}
-            transport = handler(use_datetime=use_datetime,
-                                use_builtin_types=use_builtin_types,
-                                **extra_kwargs)
+            transport = handler(
+                use_datetime=use_datetime,
+                use_builtin_types=use_builtin_types,
+                **extra_kwargs,
+            )
         self.__transport = transport
 
-        self.__encoding = encoding or 'utf-8'
+        self.__encoding = encoding or "utf-8"
         self.__verbose = verbose
         self.__allow_none = allow_none
 
@@ -77,11 +96,18 @@ class JsonrpcDigest():
                 connection.timeout = timeout
             headers = self.__transport._extra_headers[:]
 
-            connection.putrequest('POST', self.__handler)
-            headers.append(('Content-Type', 'application/json'))
-            headers.append(('User-Agent', 'jsonrpc'))
+            connection.putrequest("POST", self.__handler)
+            headers.append(("Content-Type", "application/json"))
+            headers.append(("User-Agent", "jsonrpc"))
             self.__transport.send_headers(connection, headers)
-            self.__transport.send_content(connection, '' if params is None else json.dumps(params, default=jsonDecimal).encode('utf-8'))
+            self.__transport.send_content(
+                connection,
+                (
+                    ""
+                    if params is None
+                    else json.dumps(params, default=jsonDecimal).encode("utf-8")
+                ),
+            )
             self.__request_id += 1
 
             resp = connection.getresponse()
@@ -93,7 +119,7 @@ class JsonrpcDigest():
             self.__transport.close()
             raise
 
-    def json_request(self, request_body, username='', password='', timeout=None):
+    def json_request(self, request_body, username="", password="", timeout=None):
         try:
             connection = self.__transport.make_connection(self.__host)
             if timeout:
@@ -101,65 +127,82 @@ class JsonrpcDigest():
 
             headers = self.__transport._extra_headers[:]
 
-            connection.putrequest('POST', self.__handler)
-            headers.append(('Content-Type', 'application/json'))
-            headers.append(('Connection', 'keep-alive'))
+            connection.putrequest("POST", self.__handler)
+            headers.append(("Content-Type", "application/json"))
+            headers.append(("Connection", "keep-alive"))
             self.__transport.send_headers(connection, headers)
-            self.__transport.send_content(connection, json.dumps(request_body, default=jsonDecimal).encode('utf-8') if request_body else '')
+            self.__transport.send_content(
+                connection,
+                (
+                    json.dumps(request_body, default=jsonDecimal).encode("utf-8")
+                    if request_body
+                    else ""
+                ),
+            )
             resp = connection.getresponse()
 
             if resp.status == 401:
                 resp_headers = resp.getheaders()
-                v = resp.read()
+                _ = resp.read()
 
-                algorithm = ''
-                realm = ''
-                nonce = ''
+                realm = ""
+                nonce = ""
                 for h in resp_headers:
-                    if h[0] != 'WWW-authenticate':
+                    if h[0] != "WWW-authenticate":
                         continue
-                    fields = h[1].split(',')
+                    fields = h[1].split(",")
                     for f in fields:
-                        key, value = f.split('=', 1)
-                        if key == 'algorithm' and value != 'MD5':
+                        key, value = f.split("=", 1)
+                        if key == "algorithm" and value != "MD5":
                             break
-                        if key == 'realm':
+                        if key == "realm":
                             realm = value.strip('"')
-                        if key == 'nonce':
+                        if key == "nonce":
                             nonce = value.strip('"')
-                    if realm != '' and nonce != '':
+                    if realm != "" and nonce != "":
                         break
 
-                if realm == '' or nonce == '':
-                    raise ValueError('Authenticate header not found.')
+                if realm == "" or nonce == "":
+                    raise ValueError("Authenticate header not found.")
 
                 path = self.__handler
-                HA1 = hashlib.md5(f'{username}:{realm}:{password}'.encode('utf-8')).hexdigest()
+                HA1 = hashlib.md5(
+                    f"{username}:{realm}:{password}".encode("utf-8")
+                ).hexdigest()
 
-                http_method = 'POST'
-                HA2 = hashlib.md5(f'{http_method}:{path}'.encode('utf-8')).hexdigest()
+                http_method = "POST"
+                HA2 = hashlib.md5(f"{http_method}:{path}".encode("utf-8")).hexdigest()
 
-                ncvalue = '{:08x}'.format(1)
-                s = ncvalue.encode('utf-8')
-                s += nonce.encode('utf-8')
-                s += time.ctime().encode('utf-8')
+                ncvalue = "{:08x}".format(1)
+                s = ncvalue.encode("utf-8")
+                s += nonce.encode("utf-8")
+                s += time.ctime().encode("utf-8")
                 s += os.urandom(8)
-                cnonce = (hashlib.sha1(s).hexdigest()[:16])
+                cnonce = hashlib.sha1(s).hexdigest()[:16]
 
                 # MD5-SESS
-                HA1 = hashlib.md5(f'{HA1}:{nonce}:{cnonce}'.encode('utf-8')).hexdigest()
+                HA1 = hashlib.md5(f"{HA1}:{nonce}:{cnonce}".encode("utf-8")).hexdigest()
 
-                respdig = hashlib.md5(f'{HA1}:{nonce}:{ncvalue}:{cnonce}:auth:{HA2}'.encode('utf-8')).hexdigest()
+                respdig = hashlib.md5(
+                    f"{HA1}:{nonce}:{ncvalue}:{cnonce}:auth:{HA2}".encode("utf-8")
+                ).hexdigest()
 
                 header_value = f'Digest username="{username}", realm="{realm}", nonce="{nonce}", uri="{path}", response="{respdig}", algorithm="MD5-sess", qop="auth", nc={ncvalue}, cnonce="{cnonce}"'
                 headers = self.__transport._extra_headers[:]
-                headers.append(('Authorization', header_value))
+                headers.append(("Authorization", header_value))
 
-                connection.putrequest('POST', self.__handler)
-                headers.append(('Content-Type', 'application/json'))
-                headers.append(('Connection', 'keep-alive'))
+                connection.putrequest("POST", self.__handler)
+                headers.append(("Content-Type", "application/json"))
+                headers.append(("Connection", "keep-alive"))
                 self.__transport.send_headers(connection, headers)
-                self.__transport.send_content(connection, json.dumps(request_body, default=jsonDecimal).encode('utf-8') if request_body else '')
+                self.__transport.send_content(
+                    connection,
+                    (
+                        json.dumps(request_body, default=jsonDecimal).encode("utf-8")
+                        if request_body
+                        else ""
+                    ),
+                )
                 resp = connection.getresponse()
 
             self.__request_id += 1
@@ -172,57 +215,88 @@ class JsonrpcDigest():
             raise
 
 
-def callrpc_xmr(rpc_port, method, params=[], rpc_host='127.0.0.1', path='json_rpc', auth=None, timeout=120, transport=None, tag=''):
+def callrpc_xmr(
+    rpc_port,
+    method,
+    params=[],
+    rpc_host="127.0.0.1",
+    path="json_rpc",
+    auth=None,
+    timeout=120,
+    transport=None,
+    tag="",
+):
     # auth is a tuple: (username, password)
     try:
-        if rpc_host.count('://') > 0:
-            url = '{}:{}/{}'.format(rpc_host, rpc_port, path)
+        if rpc_host.count("://") > 0:
+            url = "{}:{}/{}".format(rpc_host, rpc_port, path)
         else:
-            url = 'http://{}:{}/{}'.format(rpc_host, rpc_port, path)
+            url = "http://{}:{}/{}".format(rpc_host, rpc_port, path)
 
         x = JsonrpcDigest(url, transport=transport)
         request_body = {
-            'method': method,
-            'params': params,
-            'jsonrpc': '2.0',
-            'id': x.request_id()
+            "method": method,
+            "params": params,
+            "jsonrpc": "2.0",
+            "id": x.request_id(),
         }
         if auth:
-            v = x.json_request(request_body, username=auth[0], password=auth[1], timeout=timeout)
+            v = x.json_request(
+                request_body, username=auth[0], password=auth[1], timeout=timeout
+            )
         else:
             v = x.json_request(request_body, timeout=timeout)
         x.close()
-        r = json.loads(v.decode('utf-8'))
+        r = json.loads(v.decode("utf-8"))
     except Exception as ex:
-        raise ValueError('{}RPC Server Error: {}'.format(tag, str(ex)))
+        raise ValueError("{}RPC Server Error: {}".format(tag, str(ex)))
 
-    if 'error' in r and r['error'] is not None:
-        raise ValueError(tag + 'RPC error ' + str(r['error']))
+    if "error" in r and r["error"] is not None:
+        raise ValueError(tag + "RPC error " + str(r["error"]))
 
-    return r['result']
+    return r["result"]
 
 
-def callrpc_xmr2(rpc_port: int, method: str, params=None, auth=None, rpc_host='127.0.0.1', timeout=120, transport=None, tag=''):
+def callrpc_xmr2(
+    rpc_port: int,
+    method: str,
+    params=None,
+    auth=None,
+    rpc_host="127.0.0.1",
+    timeout=120,
+    transport=None,
+    tag="",
+):
     try:
-        if rpc_host.count('://') > 0:
-            url = '{}:{}/{}'.format(rpc_host, rpc_port, method)
+        if rpc_host.count("://") > 0:
+            url = "{}:{}/{}".format(rpc_host, rpc_port, method)
         else:
-            url = 'http://{}:{}/{}'.format(rpc_host, rpc_port, method)
+            url = "http://{}:{}/{}".format(rpc_host, rpc_port, method)
 
         x = JsonrpcDigest(url, transport=transport)
         if auth:
-            v = x.json_request(params, username=auth[0], password=auth[1], timeout=timeout)
+            v = x.json_request(
+                params, username=auth[0], password=auth[1], timeout=timeout
+            )
         else:
             v = x.json_request(params, timeout=timeout)
         x.close()
-        r = json.loads(v.decode('utf-8'))
+        r = json.loads(v.decode("utf-8"))
     except Exception as ex:
-        raise ValueError('{}RPC Server Error: {}'.format(tag, str(ex)))
+        raise ValueError("{}RPC Server Error: {}".format(tag, str(ex)))
 
     return r
 
 
-def make_xmr_rpc2_func(port, auth, host='127.0.0.1', proxy_host=None, proxy_port=None, default_timeout=120, tag=''):
+def make_xmr_rpc2_func(
+    port,
+    auth,
+    host="127.0.0.1",
+    proxy_host=None,
+    proxy_port=None,
+    default_timeout=120,
+    tag="",
+):
     port = port
     auth = auth
     host = host
@@ -236,11 +310,29 @@ def make_xmr_rpc2_func(port, auth, host='127.0.0.1', proxy_host=None, proxy_port
 
     def rpc_func(method, params=None, wallet=None, timeout=default_timeout):
         nonlocal port, auth, host, transport, tag
-        return callrpc_xmr2(port, method, params, auth=auth, rpc_host=host, timeout=timeout, transport=transport, tag=tag)
+        return callrpc_xmr2(
+            port,
+            method,
+            params,
+            auth=auth,
+            rpc_host=host,
+            timeout=timeout,
+            transport=transport,
+            tag=tag,
+        )
+
     return rpc_func
 
 
-def make_xmr_rpc_func(port, auth, host='127.0.0.1', proxy_host=None, proxy_port=None, default_timeout=120, tag=''):
+def make_xmr_rpc_func(
+    port,
+    auth,
+    host="127.0.0.1",
+    proxy_host=None,
+    proxy_port=None,
+    default_timeout=120,
+    tag="",
+):
     port = port
     auth = auth
     host = host
@@ -254,5 +346,15 @@ def make_xmr_rpc_func(port, auth, host='127.0.0.1', proxy_host=None, proxy_port=
 
     def rpc_func(method, params=None, wallet=None, timeout=default_timeout):
         nonlocal port, auth, host, transport, tag
-        return callrpc_xmr(port, method, params, rpc_host=host, auth=auth, timeout=timeout, transport=transport, tag=tag)
+        return callrpc_xmr(
+            port,
+            method,
+            params,
+            rpc_host=host,
+            auth=auth,
+            timeout=timeout,
+            transport=transport,
+            tag=tag,
+        )
+
     return rpc_func

basicswap/script.py

@@ -8,23 +8,23 @@ from enum import IntEnum
 
 
 class OpCodes(IntEnum):
-    OP_0 = 0x00,
-    OP_PUSHDATA1 = 0x4c,
-    OP_1 = 0x51,
-    OP_16 = 0x60,
-    OP_IF = 0x63,
-    OP_ELSE = 0x67,
-    OP_ENDIF = 0x68,
-    OP_RETURN = 0x6a,
-    OP_DROP = 0x75,
-    OP_DUP = 0x76,
-    OP_SIZE = 0x82,
-    OP_EQUAL = 0x87,
-    OP_EQUALVERIFY = 0x88,
-    OP_SHA256 = 0xa8,
-    OP_HASH160 = 0xa9,
-    OP_CHECKSIG = 0xac,
-    OP_CHECKLOCKTIMEVERIFY = 0xb1,
-    OP_CHECKSEQUENCEVERIFY = 0xb2,
+    OP_0 = (0x00,)
+    OP_PUSHDATA1 = (0x4C,)
+    OP_1 = (0x51,)
+    OP_16 = (0x60,)
+    OP_IF = (0x63,)
+    OP_ELSE = (0x67,)
+    OP_ENDIF = (0x68,)
+    OP_RETURN = (0x6A,)
+    OP_DROP = (0x75,)
+    OP_DUP = (0x76,)
+    OP_SIZE = (0x82,)
+    OP_EQUAL = (0x87,)
+    OP_EQUALVERIFY = (0x88,)
+    OP_SHA256 = (0xA8,)
+    OP_HASH160 = (0xA9,)
+    OP_CHECKSIG = (0xAC,)
+    OP_CHECKLOCKTIMEVERIFY = (0xB1,)
+    OP_CHECKSEQUENCEVERIFY = (0xB2,)
 
-    OP_SHA256_DECRED = 0xc0,
+    OP_SHA256_DECRED = (0xC0,)

basicswap/static/css/style.css

@@ -1,102 +1,102 @@
-
-.padded_row td
-{
-  padding-top:1.5em;
+/* General Styles */
+.bold {
+    font-weight: bold;
 }
 
-.bold
-{
-  font-weight:bold;
+.monospace {
+    font-family: monospace;
 }
 
-.monospace
-{
-  font-family:monospace;
+.floatright {
+    position: fixed;
+    top: 1.25rem;
+    right: 1.25rem;
+    z-index: 9999;
 }
 
-.floatright
-{
-  position: fixed;
-  top:1.25rem;
-  right:1.25rem;
-  z-index: 9999;
+/* Table Styles */
+.padded_row td {
+    padding-top: 1.5em;
 }
 
-.error_msg
-{
+/* Modal Styles */
+.modal-highest {
+    z-index: 9999;
 }
 
+/* Animation */
 #hide {
     -moz-animation: cssAnimation 0s ease-in 15s forwards;
-    /* Firefox */
     -webkit-animation: cssAnimation 0s ease-in 15s forwards;
-    /* Safari and Chrome */
     -o-animation: cssAnimation 0s ease-in 15s forwards;
-    /* Opera */
     animation: cssAnimation 0s ease-in 15s forwards;
     -webkit-animation-fill-mode: forwards;
     animation-fill-mode: forwards;
 }
+
 @keyframes cssAnimation {
     to {
-        width:0;
-        height:0;
-        overflow:hidden;
-    }
-}
-@-webkit-keyframes cssAnimation {
-    to {
-        width:0;
-        height:0;
-        visibility:hidden;
+        width: 0;
+        height: 0;
+        overflow: hidden;
     }
 }
 
+@-webkit-keyframes cssAnimation {
+    to {
+        width: 0;
+        height: 0;
+        visibility: hidden;
+    }
+}
+
+/* Custom Select Styles */
 .custom-select .select {
     appearance: none;
     background-image: url('/static/images/other/coin.png');
     background-position: 10px center;
     background-repeat: no-repeat;
     position: relative;
-  }
+}
 
 .custom-select select::-webkit-scrollbar {
-  width: 0;
+    width: 0;
 }
 
 .custom-select .select option {
-  padding-left: 0;
-  text-indent: 0;
-  background-repeat: no-repeat;
-  background-position: 0 50%;
+    padding-left: 0;
+    text-indent: 0;
+    background-repeat: no-repeat;
+    background-position: 0 50%;
 }
 
 .custom-select .select option.no-space {
-  padding-left: 0;
+    padding-left: 0;
 }
 
 .custom-select .select option[data-image] {
-  background-image: url('');
+    background-image: url('');
 }
 
 .custom-select .select-icon {
-  position: absolute;
-  top: 50%;
-  left: 10px;
-  transform: translateY(-50%);
+    position: absolute;
+    top: 50%;
+    left: 10px;
+    transform: translateY(-50%);
 }
 
 .custom-select .select-image {
-  display: none;
-  margin-top: 10px;
+    display: none;
+    margin-top: 10px;
 }
 
 .custom-select .select:focus + .select-dropdown .select-image {
-  display: block;
+    display: block;
 }
 
+/* Blur and Overlay Styles */
 .blurred {
-    filter: blur(4px);
+    filter: blur(3px);
     pointer-events: none;
     user-select: none;
 }
@@ -107,169 +107,261 @@
     user-select: auto;
 }
 
-/* Disable opacity on disabled form elements in Chrome */
-@media screen and (-webkit-min-device-pixel-ratio:0) {
-  select:disabled,
-  input:disabled,
-  textarea:disabled {
-    opacity: 1 !important;
-  }
+/* Form Element Styles */
+@media screen and (-webkit-min-device-pixel-ratio: 0) {
+    select:disabled,
+    input:disabled,
+    textarea:disabled {
+        opacity: 1 !important;
+    }
 }
 
 .error {
-  border: 1px solid red !important;
+    border: 1px solid red !important;
 }
 
+/* Active Container Styles */
 .active-container {
-  position: relative;
-  border-radius: 10px;
+    position: relative;
+    border-radius: 10px;
 }
 
 .active-container::before {
-  content: "";
-  position: absolute;
-  top: 0;
-  left: 0;
-  right: 0;
-  bottom: 0;
-  border: 1px solid rgb(77, 132, 240);
-  border-radius: inherit;
-  pointer-events: none;
+    content: "";
+    position: absolute;
+    top: 0;
+    left: 0;
+    right: 0;
+    bottom: 0;
+    border: 1px solid rgb(77, 132, 240);
+    border-radius: inherit;
+    pointer-events: none;
 }
 
+/* Center Spin Animation */
 .center-spin {
-  display: flex;
-  justify-content: center;
-  align-items: center;
+    display: flex;
+    justify-content: center;
+    align-items: center;
 }
 
 @keyframes spin {
-  0% { transform: rotate(0deg); }
-  100% { transform: rotate(360deg); }
+    0% { 
+        transform: rotate(0deg); 
+    }
+    100% { 
+        transform: rotate(360deg); 
+    }
 }
 
-.hover-container:hover #coin_to_button, .hover-container:hover #coin_to {
-  border-color: #3b82f6;
-}
-.hover-container:hover #coin_from_button, .hover-container:hover #coin_from {
-  border-color: #3b82f6;
+/* Hover Container Styles */
+.hover-container:hover #coin_to_button,
+.hover-container:hover #coin_to,
+.hover-container:hover #coin_from_button,
+.hover-container:hover #coin_from {
+    border-color: #3b82f6;
 }
 
-#coin_to_button, #coin_from_button {
-  background-repeat: no-repeat;
-  background-position: center;
-  background-size: 20px 20px;
+#coin_to_button, 
+#coin_from_button {
+    background-repeat: no-repeat;
+    background-position: center;
+    background-size: 20px 20px;
 }
 
+/* Input-like Container Styles */
 .input-like-container {
-  max-width: 100%;
-  background-color: #ffffff;
-  width: 360px;
-  padding: 1rem;
-  color: #374151;
-  border-radius: 0.375rem;
-  font-size: 0.875rem;
-  line-height: 1.25rem;
-  outline: none;
-  word-wrap: break-word;
-  height: 90px;
-  color: #374151;
-  border-radius: 0.375rem;
-  font-size: 0.875rem;
-  line-height: 1.25rem;
-  outline: none;
-  word-break: break-all;
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  position: relative;
+    max-width: 100%;
+    background-color: #ffffff;
+    width: 360px;
+    padding: 1rem;
+    color: #374151;
+    border-radius: 0.375rem;
+    font-size: 0.875rem;
+    line-height: 1.25rem;
+    outline: none;
+    word-wrap: break-word;
+    overflow-wrap: break-word;
+    word-break: break-all;
+    height: auto;
+    min-height: 90px;
+    max-height: 150px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    position: relative;
+    overflow-y: auto;
+}
+
+.input-like-container.dark {
+    background-color: #374151;
+    color: #ffffff;
 }
 
 .input-like-container.copying {
-  width: inherit;
+    width: inherit;
 }
 
+/* QR Code Styles */
 .qrcode {
-  position: relative;
-  display: inline-block;
-  padding: 10px;
-  overflow: hidden;
-  position: relative;
+    position: relative;
+    display: inline-block;
+    padding: 10px;
+    overflow: hidden;
 }
 
 .qrcode-border {
-  border: 2px solid;
-  border-color: rgba(59, 130, 246, var(--tw-border-opacity));
-  border-radius: 20px;
+    border: 2px solid;
+    background-color: #ffffff;
+    border-radius: 0px;
 }
 
 .qrcode img {
-  width: 100%;
-  height: auto;
-  border-radius: 15px;
+    width: 100%;
+    height: auto;
+    border-radius: 0px;
 }
 
 #showQR {
-  position: absolute;
-  top: 50%;
-  left: 50%;
-  transform: translate(-50%, -50%);
-  height:25px;
+    position: absolute;
+    top: 50%;
+    left: 50%;
+    transform: translate(-50%, -50%);
+    height: 25px;
 }
 
-
-select.select-disabled {
-opacity: 0.40 !important;
+.qrcode-container {
+    margin-top: 25px;
 }
 
-
-.disabled-input-enabled {
-    opacity: 0.40 !important;
-}
+/* Disabled Element Styles */
+select.select-disabled,
+.disabled-input-enabled,
 select.disabled-select-enabled {
     opacity: 0.40 !important;
 }
 
+/* Shutdown Modal Styles */
+#shutdownModal {
+    z-index: 50;
+}
 
-  .custom-select .select {
-   appearance: none;
-   background-position: 10px center;
-   background-repeat: no-repeat;
-   position: relative;
-  }
+#shutdownModal > div:first-child {
+    z-index: 40;
+}
 
-  .custom-select select::-webkit-scrollbar {
-   width: 0;
-  }
+#shutdownModal > div:last-child {
+    z-index: 50;
+}
 
-  .custom-select .select option {
-   padding-left: 0;
-   text-indent: 0;
-   background-repeat: no-repeat;
-   background-position: 0 50%;
-  }
+#shutdownModal > div {
+    transition: opacity 0.3s ease-out;
+}
 
-  .custom-select .select option.no-space {
-   padding-left: 0;
-  }
+#shutdownModal.hidden > div {
+    opacity: 0;
+}
 
-  .custom-select .select option[data-image] {
-   background-image: url('');
-  }
+#shutdownModal:not(.hidden) > div {
+    opacity: 1;
+}
 
-  .custom-select .select-icon {
-   position: absolute;
-   top: 50%;
-   left: 10px;
-   transform: translateY(-50%);
-  }
+.shutdown-button {
+    transition: all 0.3s ease;
+}
 
-  .custom-select .select-image {
-   display: none;
-   margin-top: 10px;
-  }
+.shutdown-button.shutdown-disabled {
+    opacity: 0.6;
+    cursor: not-allowed;
+    color: #a0aec0;
+}
 
-  .custom-select .select:focus+.select-dropdown .select-image {
-   display: block;
-  }
+.shutdown-button.shutdown-disabled:hover {
+    background-color: #4a5568;
+}
 
+.shutdown-button.shutdown-disabled svg {
+    opacity: 0.5;
+}
+
+/* Loading Line Animation */
+.loading-line {
+    width: 100%;
+    height: 2px;
+    background-color: #ccc;
+    overflow: hidden;
+    position: relative;
+}
+
+.loading-line::before {
+    content: '';
+    display: block;
+    width: 100%;
+    height: 100%;
+    background: linear-gradient(to right, transparent, #007bff, transparent);
+    animation: loading 1.5s infinite;
+}
+
+@keyframes loading {
+    0% {
+        transform: translateX(-100%);
+    }
+    100% {
+        transform: translateX(100%);
+    }
+}
+
+.usd-value:not(.loading) .loading-line,
+.profit-loss:not(.loading) .loading-line {
+    display: none;
+}
+
+/* Resolution Button Styles */
+.resolution-button {
+    background: none;
+    border: none;
+    color: #4B5563;
+    font-size: 0.875rem;
+    font-weight: 500;
+    padding: 0.25rem 0.5rem;
+    border-radius: 0.25rem;
+    transition: all 0.2s;
+    outline: 2px solid transparent;
+    outline-offset: 2px;
+}
+
+.resolution-button:hover {
+    color: #1F2937;
+}
+
+.resolution-button:focus {
+    outline: 2px solid #3B82F6;
+}
+
+.resolution-button.active {
+    color: #3B82F6;
+    outline: 2px solid #3B82F6;
+}
+
+.dark .resolution-button {
+    color: #9CA3AF;
+}
+
+.dark .resolution-button:hover {
+    color: #F3F4F6;
+}
+
+.dark .resolution-button.active {
+    color: #60A5FA;
+    outline-color: #60A5FA;
+    color: #fff;
+}
+
+/* Toggle Button Styles */
+#toggle-volume.active {
+    @apply bg-green-500 hover:bg-green-600 focus:ring-green-300;
+}
+
+#toggle-auto-refresh[data-enabled="true"] {
+    @apply bg-green-500 hover:bg-green-600 focus:ring-green-300;
+}

basicswap/static/js/active.js

@@ -0,0 +1,872 @@
+// Constants and State
+const PAGE_SIZE = 50;
+const COIN_NAME_TO_SYMBOL = {
+    'Bitcoin': 'BTC',
+    'Litecoin': 'LTC',
+    'Monero': 'XMR',
+    'Particl': 'PART',
+    'Particl Blind': 'PART',
+    'Particl Anon': 'PART',
+    'PIVX': 'PIVX',
+    'Firo': 'FIRO',
+    'Dash': 'DASH',
+    'Decred': 'DCR',
+    'Wownero': 'WOW',
+    'Bitcoin Cash': 'BCH',
+    'Dogecoin': 'DOGE'
+};
+
+// Global state
+const state = {
+    identities: new Map(),
+    currentPage: 1,
+    wsConnected: false,
+    swapsData: [],
+    isLoading: false,
+    isRefreshing: false,
+    refreshPromise: null
+};
+
+// DOM
+const elements = {
+    swapsBody: document.getElementById('active-swaps-body'),
+    prevPageButton: document.getElementById('prevPage'),
+    nextPageButton: document.getElementById('nextPage'),
+    currentPageSpan: document.getElementById('currentPage'),
+    paginationControls: document.getElementById('pagination-controls'),
+    activeSwapsCount: document.getElementById('activeSwapsCount'),
+    refreshSwapsButton: document.getElementById('refreshSwaps'),
+    statusDot: document.getElementById('status-dot'),
+    statusText: document.getElementById('status-text')
+};
+
+// Identity Manager
+const IdentityManager = {
+    cache: new Map(),
+    pendingRequests: new Map(),
+    retryDelay: 2000,
+    maxRetries: 3,
+    cacheTimeout: 5 * 60 * 1000, // 5 minutes
+
+    async getIdentityData(address) {
+        if (!address) {
+            return { address: '' };
+        }
+
+        const cachedData = this.getCachedIdentity(address);
+        if (cachedData) {
+            return { ...cachedData, address };
+        }
+
+        if (this.pendingRequests.has(address)) {
+            const pendingData = await this.pendingRequests.get(address);
+            return { ...pendingData, address };
+        }
+
+        const request = this.fetchWithRetry(address);
+        this.pendingRequests.set(address, request);
+
+        try {
+            const data = await request;
+            this.cache.set(address, {
+                data,
+                timestamp: Date.now()
+            });
+            return { ...data, address };
+        } catch (error) {
+            console.warn(`Error fetching identity for ${address}:`, error);
+            return { address };
+        } finally {
+            this.pendingRequests.delete(address);
+        }
+    },
+
+    getCachedIdentity(address) {
+        const cached = this.cache.get(address);
+        if (cached && (Date.now() - cached.timestamp) < this.cacheTimeout) {
+            return cached.data;
+        }
+        if (cached) {
+            this.cache.delete(address);
+        }
+        return null;
+    },
+
+    async fetchWithRetry(address, attempt = 1) {
+        try {
+            const response = await fetch(`/json/identities/${address}`, {
+                signal: AbortSignal.timeout(5000)
+            });
+
+            if (!response.ok) {
+                throw new Error(`HTTP error! status: ${response.status}`);
+            }
+
+            const data = await response.json();
+            return {
+                ...data,
+                address,
+                num_sent_bids_successful: safeParseInt(data.num_sent_bids_successful),
+                num_recv_bids_successful: safeParseInt(data.num_recv_bids_successful),
+                num_sent_bids_failed: safeParseInt(data.num_sent_bids_failed),
+                num_recv_bids_failed: safeParseInt(data.num_recv_bids_failed),
+                num_sent_bids_rejected: safeParseInt(data.num_sent_bids_rejected),
+                num_recv_bids_rejected: safeParseInt(data.num_recv_bids_rejected),
+                label: data.label || '',
+                note: data.note || '',
+                automation_override: safeParseInt(data.automation_override)
+            };
+        } catch (error) {
+            if (attempt >= this.maxRetries) {
+                console.warn(`Failed to fetch identity for ${address} after ${attempt} attempts`);
+                return {
+                    address,
+                    num_sent_bids_successful: 0,
+                    num_recv_bids_successful: 0,
+                    num_sent_bids_failed: 0,
+                    num_recv_bids_failed: 0,
+                    num_sent_bids_rejected: 0,
+                    num_recv_bids_rejected: 0,
+                    label: '',
+                    note: '',
+                    automation_override: 0
+                };
+            }
+
+            await new Promise(resolve => setTimeout(resolve, this.retryDelay * attempt));
+            return this.fetchWithRetry(address, attempt + 1);
+        }
+    }
+};
+
+const safeParseInt = (value) => {
+    const parsed = parseInt(value);
+    return isNaN(parsed) ? 0 : parsed;
+};
+
+const getStatusClass = (status, tx_a, tx_b) => {
+    switch (status) {
+        case 'Completed':
+            return 'bg-green-300 text-black dark:bg-green-600 dark:text-white';
+        case 'Expired':
+        case 'Timed-out':
+            return 'bg-gray-200 text-black dark:bg-gray-400 dark:text-white';
+        case 'Error':
+        case 'Failed':
+            return 'bg-red-300 text-black dark:bg-red-600 dark:text-white';
+        case 'Failed, swiped':
+        case 'Failed, refunded':
+            return 'bg-gray-200 text-black dark:bg-gray-400 dark:text-red-500';
+        case 'InProgress':
+        case 'Script coin locked':
+        case 'Scriptless coin locked':
+        case 'Script coin lock released':
+        case 'SendingInitialTx':
+        case 'SendingPaymentTx':
+            return 'bg-blue-300 text-black dark:bg-blue-500 dark:text-white';
+        case 'Received':
+        case 'Exchanged script lock tx sigs msg':
+        case 'Exchanged script lock spend tx msg':
+        case 'Script tx redeemed':
+        case 'Scriptless tx redeemed':
+        case 'Scriptless tx recovered':
+            return 'bg-blue-300 text-black dark:bg-blue-500 dark:text-white';
+        case 'Accepted':
+        case 'Request accepted':
+            return 'bg-green-300 text-black dark:bg-green-600 dark:text-white';
+        case 'Delaying':
+        case 'Auto accept delay':
+            return 'bg-blue-300 text-black dark:bg-blue-500 dark:text-white';
+        case 'Abandoned':
+        case 'Rejected':
+            return 'bg-red-300 text-black dark:bg-red-600 dark:text-white';
+        default:
+            return 'bg-blue-300 text-black dark:bg-blue-500 dark:text-white';
+    }
+};
+
+const getTxStatusClass = (status) => {
+    if (!status || status === 'None') return 'text-gray-400';
+    
+    if (status.includes('Complete') || status.includes('Confirmed')) {
+        return 'text-green-500';
+    }
+    if (status.includes('Error') || status.includes('Failed')) {
+        return 'text-red-500';
+    }
+    if (status.includes('Progress') || status.includes('Sending')) {
+        return 'text-yellow-500';
+    }
+    return 'text-blue-500';
+};
+
+// Util
+const formatTimeAgo = (timestamp) => {
+    const now = Math.floor(Date.now() / 1000);
+    const diff = now - timestamp;
+
+    if (diff < 60) return `${diff} seconds ago`;
+    if (diff < 3600) return `${Math.floor(diff / 60)} minutes ago`;
+    if (diff < 86400) return `${Math.floor(diff / 3600)} hours ago`;
+    return `${Math.floor(diff / 86400)} days ago`;
+};
+
+
+const formatTime = (timestamp) => {
+    if (!timestamp) return '';
+    const date = new Date(timestamp * 1000);
+    return date.toLocaleString('en-US', {
+        year: 'numeric',
+        month: 'short',
+        day: 'numeric',
+        hour: '2-digit',
+        minute: '2-digit'
+    });
+};
+
+const formatAddress = (address, displayLength = 15) => {
+    if (!address) return '';
+    if (address.length <= displayLength) return address;
+    return `${address.slice(0, displayLength)}...`;
+};
+
+const getStatusColor = (status) => {
+    const statusColors = {
+        'Received': 'text-blue-500',
+        'Accepted': 'text-green-500',
+        'InProgress': 'text-yellow-500',
+        'Complete': 'text-green-600',
+        'Failed': 'text-red-500',
+        'Expired': 'text-gray-500'
+    };
+    return statusColors[status] || 'text-gray-500';
+};
+
+const getTimeStrokeColor = (expireTime) => {
+    const now = Math.floor(Date.now() / 1000);
+    const timeLeft = expireTime - now;
+
+    if (timeLeft <= 300) return '#9CA3AF'; // 5 minutes or less
+    if (timeLeft <= 1800) return '#3B82F6'; // 30 minutes or less
+    return '#10B981'; // More than 30 minutes
+};
+
+// WebSocket Manager
+const WebSocketManager = {
+    ws: null,
+    processingQueue: false,
+    reconnectTimeout: null,
+    maxReconnectAttempts: 5,
+    reconnectAttempts: 0,
+    reconnectDelay: 5000,
+
+    initialize() {
+        this.connect();
+        this.startHealthCheck();
+    },
+
+    connect() {
+        if (this.ws?.readyState === WebSocket.OPEN) return;
+
+        try {
+            const wsPort = window.ws_port || '11700';
+            this.ws = new WebSocket(`ws://${window.location.hostname}:${wsPort}`);
+            this.setupEventHandlers();
+        } catch (error) {
+            console.error('WebSocket connection error:', error);
+            this.handleReconnect();
+        }
+    },
+
+    setupEventHandlers() {
+        this.ws.onopen = () => {
+            state.wsConnected = true;
+            this.reconnectAttempts = 0;
+            updateConnectionStatus('connected');
+            console.log('🟢  WebSocket connection established for Swaps in Progress');
+            updateSwapsTable({ resetPage: true, refreshData: true });
+        };
+
+        this.ws.onmessage = () => {
+            if (!this.processingQueue) {
+                this.processingQueue = true;
+                setTimeout(async () => {
+                    try {
+                        if (!state.isRefreshing) {
+                            await updateSwapsTable({ resetPage: false, refreshData: true });
+                        }
+                    } finally {
+                        this.processingQueue = false;
+                    }
+                }, 200);
+            }
+        };
+
+        this.ws.onclose = () => {
+            state.wsConnected = false;
+            updateConnectionStatus('disconnected');
+            this.handleReconnect();
+        };
+
+        this.ws.onerror = () => {
+            updateConnectionStatus('error');
+        };
+    },
+
+    startHealthCheck() {
+        setInterval(() => {
+            if (this.ws?.readyState !== WebSocket.OPEN) {
+                this.handleReconnect();
+            }
+        }, 30000);
+    },
+
+    handleReconnect() {
+        if (this.reconnectTimeout) {
+            clearTimeout(this.reconnectTimeout);
+        }
+
+        this.reconnectAttempts++;
+        if (this.reconnectAttempts <= this.maxReconnectAttempts) {
+            const delay = this.reconnectDelay * Math.pow(1.5, this.reconnectAttempts - 1);
+            this.reconnectTimeout = setTimeout(() => this.connect(), delay);
+        } else {
+            updateConnectionStatus('error');
+            setTimeout(() => {
+                this.reconnectAttempts = 0;
+                this.connect();
+            }, 60000);
+        }
+    }
+};
+
+// UI
+const updateConnectionStatus = (status) => {
+    const { statusDot, statusText } = elements;
+    if (!statusDot || !statusText) return;
+
+    const statusConfig = {
+        connected: {
+            dotClass: 'w-2.5 h-2.5 rounded-full bg-green-500 mr-2',
+            textClass: 'text-sm text-green-500',
+            message: 'Connected'
+        },
+        disconnected: {
+            dotClass: 'w-2.5 h-2.5 rounded-full bg-red-500 mr-2',
+            textClass: 'text-sm text-red-500',
+            message: 'Disconnected - Reconnecting...'
+        },
+        error: {
+            dotClass: 'w-2.5 h-2.5 rounded-full bg-yellow-500 mr-2',
+            textClass: 'text-sm text-yellow-500',
+            message: 'Connection Error'
+        },
+        default: {
+            dotClass: 'w-2.5 h-2.5 rounded-full bg-gray-500 mr-2',
+            textClass: 'text-sm text-gray-500',
+            message: 'Connecting...'
+        }
+    };
+
+    const config = statusConfig[status] || statusConfig.default;
+    statusDot.className = config.dotClass;
+    statusText.className = config.textClass;
+    statusText.textContent = config.message;
+};
+
+const updateLoadingState = (isLoading) => {
+    state.isLoading = isLoading;
+    if (elements.refreshSwapsButton) {
+        elements.refreshSwapsButton.disabled = isLoading;
+        elements.refreshSwapsButton.classList.toggle('opacity-75', isLoading);
+        elements.refreshSwapsButton.classList.toggle('cursor-wait', isLoading);
+
+        const refreshIcon = elements.refreshSwapsButton.querySelector('svg');
+        const refreshText = elements.refreshSwapsButton.querySelector('#refreshText');
+
+        if (refreshIcon) {
+            refreshIcon.style.transition = 'transform 0.3s ease';
+            refreshIcon.classList.toggle('animate-spin', isLoading);
+        }
+
+        if (refreshText) {
+            refreshText.textContent = isLoading ? 'Refreshing...' : 'Refresh';
+        }
+    }
+};
+
+const processIdentityStats = (identity) => {
+    if (!identity) return null;
+
+    const stats = {
+        sentSuccessful: safeParseInt(identity.num_sent_bids_successful),
+        recvSuccessful: safeParseInt(identity.num_recv_bids_successful),
+        sentFailed: safeParseInt(identity.num_sent_bids_failed),
+        recvFailed: safeParseInt(identity.num_recv_bids_failed),
+        sentRejected: safeParseInt(identity.num_sent_bids_rejected),
+        recvRejected: safeParseInt(identity.num_recv_bids_rejected)
+    };
+
+    stats.totalSuccessful = stats.sentSuccessful + stats.recvSuccessful;
+    stats.totalFailed = stats.sentFailed + stats.recvFailed;
+    stats.totalRejected = stats.sentRejected + stats.recvRejected;
+    stats.totalBids = stats.totalSuccessful + stats.totalFailed + stats.totalRejected;
+
+    stats.successRate = stats.totalBids > 0
+        ? ((stats.totalSuccessful / stats.totalBids) * 100).toFixed(1)
+        : '0.0';
+
+    return stats;
+};
+
+const createIdentityTooltip = (identity) => {
+    if (!identity) return '';
+
+    const stats = processIdentityStats(identity);
+    if (!stats) return '';
+
+    const getSuccessRateColor = (rate) => {
+        const numRate = parseFloat(rate);
+        if (numRate >= 80) return 'text-green-600';
+        if (numRate >= 60) return 'text-yellow-600';
+        return 'text-red-600';
+    };
+
+    return `
+        <div class="identity-info space-y-2">
+            ${identity.label ? `
+                <div class="border-b border-gray-400 pb-2">
+                    <div class="text-white text-xs tracking-wide font-semibold">Label:</div>
+                    <div class="text-white">${identity.label}</div>
+                </div>
+            ` : ''}
+
+            <div class="space-y-1">
+                <div class="text-white text-xs tracking-wide font-semibold">Address:</div>
+                <div class="monospace text-xs break-all bg-gray-500 p-2 rounded-md text-white">
+                    ${identity.address || ''}
+                </div>
+            </div>
+
+            ${identity.note ? `
+                <div class="space-y-1">
+                    <div class="text-white text-xs tracking-wide font-semibold">Note:</div>
+                    <div class="text-white text-sm italic">${identity.note}</div>
+                </div>
+            ` : ''}
+
+            <div class="pt-2 mt-2">
+                <div class="text-white text-xs tracking-wide font-semibold mb-2">Swap History:</div>
+                <div class="grid grid-cols-2 gap-2">
+                    <div class="text-center p-2 bg-gray-500 rounded-md">
+                        <div class="text-lg font-bold ${getSuccessRateColor(stats.successRate)}">
+                            ${stats.successRate}%
+                        </div>
+                        <div class="text-xs text-white">Success Rate</div>
+                    </div>
+                    <div class="text-center p-2 bg-gray-500 rounded-md">
+                        <div class="text-lg font-bold text-blue-500">${stats.totalBids}</div>
+                        <div class="text-xs text-white">Total Trades</div>
+                    </div>
+                </div>
+                <div class="grid grid-cols-3 gap-2 mt-2 text-center text-xs">
+                    <div>
+                        <div class="text-green-600 font-semibold">
+                            ${stats.totalSuccessful}
+                        </div>
+                        <div class="text-white">Successful</div>
+                    </div>
+                    <div>
+                        <div class="text-yellow-600 font-semibold">
+                            ${stats.totalRejected}
+                        </div>
+                        <div class="text-white">Rejected</div>
+                    </div>
+                    <div>
+                        <div class="text-red-600 font-semibold">
+                            ${stats.totalFailed}
+                        </div>
+                        <div class="text-white">Failed</div>
+                    </div>
+                </div>
+            </div>
+        </div>
+    `;
+};
+
+const createSwapTableRow = async (swap) => {
+    if (!swap || !swap.bid_id) {
+        console.warn('Invalid swap data:', swap);
+        return '';
+    }
+
+    const identity = await IdentityManager.getIdentityData(swap.addr_from);
+    const uniqueId = `${swap.bid_id}_${swap.created_at}`;
+    const fromSymbol = COIN_NAME_TO_SYMBOL[swap.coin_from] || swap.coin_from;
+    const toSymbol = COIN_NAME_TO_SYMBOL[swap.coin_to] || swap.coin_to;
+    const timeColor = getTimeStrokeColor(swap.expire_at);
+    const fromAmount = parseFloat(swap.amount_from) || 0;
+    const toAmount = parseFloat(swap.amount_to) || 0;
+
+    return `
+        <tr class="relative opacity-100 text-gray-500 dark:text-gray-100 hover:bg-coolGray-200 dark:hover:bg-gray-600" data-bid-id="${swap.bid_id}">
+            <td class="relative w-0 p-0 m-0">
+                <div class="absolute top-0 bottom-0 left-0 w-1"></div>
+            </td>
+            
+            <!-- Time Column -->
+            <td class="py-3 pl-1 pr-2 text-xs whitespace-nowrap">
+                <div class="flex items-center">
+                    <div class="relative" data-tooltip-target="tooltip-time-${uniqueId}">
+                        <svg class="w-5 h-5 rounded-full mr-4 cursor-pointer" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
+                            <g stroke-linecap="round" stroke-width="2" fill="none" stroke="${timeColor}" stroke-linejoin="round">
+                                <circle cx="12" cy="12" r="11"></circle>
+                                <polyline points="12,6 12,12 18,12"></polyline>
+                            </g>
+                        </svg>
+                    </div>
+                    <div class="flex flex-col hidden xl:block">
+                        <div class="text-xs whitespace-nowrap">
+                            <span class="bold">Posted:</span> ${formatTimeAgo(swap.created_at)}
+                        </div>
+                    </div>
+                </div>
+            </td>
+
+           <!-- Details Column -->
+            <td class="py-8 px-4 text-xs text-left hidden xl:block">
+              <div class="flex flex-col gap-2 relative">
+                  <div class="flex items-center">
+                     <a href="/identity/${swap.addr_from}" data-tooltip-target="tooltip-identity-${uniqueId}" class="flex items-center">
+                        <svg class="w-4 h-4 mr-2 text-gray-400 dark:text-white" fill="currentColor" viewBox="0 0 20 20">
+                        <path fill-rule="evenodd" d="M10 9a3 3 0 100-6 3 3 0 000 6zm-7 9a7 7 0 1114 0H3z" clip-rule="evenodd"></path>
+                    </svg>
+                    <span class="monospace ${identity?.label ? 'dark:text-white' : 'dark:text-white'}">
+                        ${identity?.label || formatAddress(swap.addr_from)}
+                    </span>
+                </a>
+            </div>
+            <div class="monospace text-xs text-gray-500 dark:text-gray-300">
+                <span class="font-semibold">Bid ID:</span>
+                <a href="/bid/${swap.bid_id}" data-tooltip-target="tooltip-bid-${uniqueId}" class="hover:underline">
+                    ${formatAddress(swap.bid_id)}
+                </a>
+            </div>
+            <div class="monospace text-xs text-gray-500 dark:text-gray-300">
+                <span class="font-semibold">Offer ID:</span>
+                <a href="/offer/${swap.offer_id}" data-tooltip-target="tooltip-offer-${uniqueId}" class="hover:underline">
+                    ${formatAddress(swap.offer_id)}
+                </a>
+             </div>
+            </div>
+           </td>
+            <!-- You Send Column -->
+            <td class="py-0">
+                <div class="py-3 px-4 text-left">
+                    <div class="items-center monospace">
+                        <div class="pr-2">
+                            <div class="text-sm font-semibold">${fromAmount.toFixed(8)}</div>
+                            <div class="text-sm text-gray-500 dark:text-gray-400">${fromSymbol}</div>
+                        </div>
+                    </div>
+                </div>
+            </td>
+
+            <!-- Swap Column -->
+            <td class="py-0">
+                <div class="py-3 px-4 text-center">
+                    <div class="flex items-center justify-center">
+                        <span class="inline-flex mr-3 align-middle items-center justify-center w-18 h-20 rounded">
+                            <img class="h-12" 
+                                 src="/static/images/coins/${swap.coin_from.replace(' ', '-')}.png" 
+                                 alt="${swap.coin_from}"
+                                 onerror="this.src='/static/images/coins/default.png'">
+                        </span>
+                        <svg class="w-5 h-5" fill="currentColor" viewBox="0 0 20 20">
+                            <path fill-rule="evenodd" d="M12.293 5.293a1 1 0 011.414 0l4 4a1 1 0 010 1.414l-4 4a1 1 0 01-1.414-1.414L14.586 11H3a1 1 0 110-2h11.586l-2.293-2.293a1 1 0 010-1.414z"></path>
+                        </svg>
+                        <span class="inline-flex ml-3 align-middle items-center justify-center w-18 h-20 rounded">
+                            <img class="h-12" 
+                                 src="/static/images/coins/${swap.coin_to.replace(' ', '-')}.png" 
+                                 alt="${swap.coin_to}"
+                                 onerror="this.src='/static/images/coins/default.png'">
+                        </span>
+                    </div>
+                </div>
+            </td>
+
+            <!-- You Receive Column -->
+            <td class="py-0">
+                <div class="py-3 px-4 text-right">
+                    <div class="items-center monospace">
+                        <div class="text-sm font-semibold">${toAmount.toFixed(8)}</div>
+                        <div class="text-sm text-gray-500 dark:text-gray-400">${toSymbol}</div>
+                    </div>
+                </div>
+            </td>
+
+            <!-- Status Column -->
+            <td class="py-3 px-4 text-center">
+                <div data-tooltip-target="tooltip-status-${uniqueId}" class="flex justify-center">
+                    <span class="px-2.5 py-1 text-xs font-medium rounded-full ${getStatusClass(swap.bid_state, swap.tx_state_a, swap.tx_state_b)}">
+                        ${swap.bid_state}
+                    </span>
+                </div>
+            </td>
+
+            <!-- Actions Column -->
+            <td class="py-3 px-4 text-center">
+                <a href="/bid/${swap.bid_id}" 
+                   class="inline-block w-20 py-1 px-2 font-medium text-center text-sm rounded-md bg-blue-500 text-white border border-blue-500 hover:bg-blue-600 transition duration-200">
+                    Details
+                </a>
+            </td>
+
+            <!-- Tooltips -->
+            <div id="tooltip-time-${uniqueId}" role="tooltip" class="inline-block absolute z-50 py-2 px-3 text-sm font-medium text-white bg-gray-400 rounded-lg shadow-sm opacity-0 transition-opacity duration-300 tooltip dark:bg-gray-600">
+                <div class="active-revoked-expired">
+                    <span class="bold">
+                        <div class="text-xs"><span class="bold">Posted:</span> ${formatTimeAgo(swap.created_at)}</div>
+                        <div class="text-xs"><span class="bold">Expires in:</span> ${formatTime(swap.expire_at)}</div>
+                    </span>
+                </div>
+                <div class="mt-5 text-xs">
+                    <p class="font-bold mb-3">Time Indicator Colors:</p>
+                    <p class="flex items-center">
+                        <svg class="w-5 h-5 mr-3" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
+                            <g stroke-linecap="round" stroke-width="2" fill="none" stroke="#10B981" stroke-linejoin="round">
+                                <circle cx="12" cy="12" r="11"></circle>
+                                <polyline points="12,6 12,12 18,12" stroke="#10B981"></polyline>
+                            </g>
+                        </svg>
+                        Green: More than 30 minutes left
+                    </p>
+                    <p class="flex items-center mt-3">
+                        <svg class="w-5 h-5 mr-3" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
+                            <g stroke-linecap="round" stroke-width="2" fill="none" stroke="#3B82F6" stroke-linejoin="round">
+                                <circle cx="12" cy="12" r="11"></circle>
+                                <polyline points="12,6 12,12 18,12" stroke="#3B82F6"></polyline>
+                            </g>
+                        </svg>
+                        Blue: Between 5 and 30 minutes left
+                    </p>
+                    <p class="flex items-center mt-3 mb-3">
+                        <svg class="w-5 h-5 mr-3" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
+                            <g stroke-linecap="round" stroke-width="2" fill="none" stroke="#9CA3AF" stroke-linejoin="round">
+                                <circle cx="12" cy="12" r="11"></circle>
+                                <polyline points="12,6 12,12 18,12" stroke="#9CA3AF"></polyline>
+                            </g>
+                        </svg>
+                        Grey: Less than 5 minutes left or expired
+                    </p>
+                </div>
+                <div class="tooltip-arrow" data-popper-arrow></div>
+            </div>
+
+            <div id="tooltip-identity-${uniqueId}" role="tooltip" class="inline-block absolute z-50 py-2 px-3 text-sm font-medium text-white bg-gray-400 rounded-lg shadow-sm opacity-0 transition-opacity duration-300 tooltip dark:bg-gray-600">
+                ${createIdentityTooltip(identity)}
+                <div class="tooltip-arrow" data-popper-arrow></div>
+            </div>
+
+            <div id="tooltip-offer-${uniqueId}" role="tooltip" class="inline-block absolute z-50 py-2 px-3 text-sm font-medium text-white bg-gray-400 rounded-lg shadow-sm opacity-0 transition-opacity duration-300 tooltip dark:bg-gray-600">
+                <div class="space-y-1">
+                    <div class="text-white text-xs tracking-wide font-semibold">Offer ID:</div>
+                    <div class="monospace text-xs break-all">
+                        ${swap.offer_id}
+                    </div>
+                </div>
+                <div class="tooltip-arrow" data-popper-arrow></div>
+            </div>
+
+            <div id="tooltip-bid-${uniqueId}" role="tooltip" class="inline-block absolute z-50 py-2 px-3 text-sm font-medium text-white bg-gray-400 rounded-lg shadow-sm opacity-0 transition-opacity duration-300 tooltip dark:bg-gray-600">
+                <div class="space-y-1">
+                    <div class="text-white text-xs tracking-wide font-semibold">Bid ID:</div>
+                    <div class="monospace text-xs break-all">
+                        ${swap.bid_id}
+                    </div>
+                </div>
+                <div class="tooltip-arrow" data-popper-arrow></div>
+            </div>
+
+            <div id="tooltip-status-${uniqueId}" role="tooltip" class="inline-block absolute z-50 py-2 px-3 text-sm font-medium text-white bg-gray-400 rounded-lg shadow-sm opacity-0 transition-opacity duration-300 tooltip dark:bg-gray-600">
+                <div class="text-white">
+                    <p class="font-bold mb-2">Transaction Status</p>
+                    <div class="grid grid-cols-2 gap-2">
+                        <div class="bg-gray-500 p-2 rounded">
+                            <p class="text-xs font-bold">ITX:</p>
+                            <p>${swap.tx_state_a || 'N/A'}</p>
+                        </div>
+                        <div class="bg-gray-500 p-2 rounded">
+                            <p class="text-xs font-bold">PTX:</p>
+                            <p>${swap.tx_state_b || 'N/A'}</p>
+                        </div>
+                    </div>
+                </div>
+                <div class="tooltip-arrow" data-popper-arrow></div>
+            </div>
+        </tr>
+    `;
+};
+
+async function updateSwapsTable(options = {}) {
+    const { resetPage = false, refreshData = true } = options;
+
+    if (state.refreshPromise) {
+        await state.refreshPromise;
+        return;
+    }
+
+    try {
+        updateLoadingState(true);
+
+        if (refreshData) {
+            state.refreshPromise = (async () => {
+                try {
+                    const response = await fetch('/json/active', {
+                        method: 'POST',
+                        headers: { 'Content-Type': 'application/json' },
+                        body: JSON.stringify({
+                            sort_by: "created_at",
+                            sort_dir: "desc"
+                        })
+                    });
+
+                    if (!response.ok) {
+                        throw new Error(`HTTP error! status: ${response.status}`);
+                    }
+
+                    const data = await response.json();
+                    state.swapsData = Array.isArray(data) ? data : [];
+                } catch (error) {
+                    console.error('Error fetching swap data:', error);
+                    state.swapsData = [];
+                } finally {
+                    state.refreshPromise = null;
+                }
+            })();
+
+            await state.refreshPromise;
+        }
+
+        if (elements.activeSwapsCount) {
+            elements.activeSwapsCount.textContent = state.swapsData.length;
+        }
+
+        const totalPages = Math.ceil(state.swapsData.length / PAGE_SIZE);
+        
+        if (resetPage && state.swapsData.length > 0) {
+            state.currentPage = 1;
+        }
+
+        state.currentPage = Math.min(Math.max(1, state.currentPage), Math.max(1, totalPages));
+
+        const startIndex = (state.currentPage - 1) * PAGE_SIZE;
+        const endIndex = startIndex + PAGE_SIZE;
+        const currentPageSwaps = state.swapsData.slice(startIndex, endIndex);
+
+        if (elements.swapsBody) {
+            if (currentPageSwaps.length > 0) {
+                const rowPromises = currentPageSwaps.map(swap => createSwapTableRow(swap));
+                const rows = await Promise.all(rowPromises);
+                elements.swapsBody.innerHTML = rows.join('');
+
+                // Initialize tooltips
+                if (window.TooltipManager) {
+                    window.TooltipManager.cleanup();
+                    const tooltipTriggers = document.querySelectorAll('[data-tooltip-target]');
+                    tooltipTriggers.forEach(trigger => {
+                        const targetId = trigger.getAttribute('data-tooltip-target');
+                        const tooltipContent = document.getElementById(targetId);
+                        if (tooltipContent) {
+                            window.TooltipManager.create(trigger, tooltipContent.innerHTML, {
+                                placement: trigger.getAttribute('data-tooltip-placement') || 'top'
+                            });
+                        }
+                    });
+                }
+            } else {
+                elements.swapsBody.innerHTML = `
+                    <tr>
+                        <td colspan="8" class="text-center py-4 text-gray-500 dark:text-white">
+                            No active swaps found
+                        </td>
+                    </tr>`;
+            }
+        }
+
+        if (elements.paginationControls) {
+            elements.paginationControls.style.display = totalPages > 1 ? 'flex' : 'none';
+        }
+
+        if (elements.currentPageSpan) {
+            elements.currentPageSpan.textContent = state.currentPage;
+        }
+
+        if (elements.prevPageButton) {
+            elements.prevPageButton.style.display = state.currentPage > 1 ? 'inline-flex' : 'none';
+        }
+
+        if (elements.nextPageButton) {
+            elements.nextPageButton.style.display = state.currentPage < totalPages ? 'inline-flex' : 'none';
+        }
+
+    } catch (error) {
+        console.error('Error updating swaps table:', error);
+        if (elements.swapsBody) {
+            elements.swapsBody.innerHTML = `
+                <tr>
+                    <td colspan="8" class="text-center py-4 text-red-500">
+                        Error loading active swaps. Please try again later.
+                    </td>
+                </tr>`;
+        }
+    } finally {
+        updateLoadingState(false);
+    }
+}
+
+// Event
+const setupEventListeners = () => {
+    if (elements.refreshSwapsButton) {
+        elements.refreshSwapsButton.addEventListener('click', async (e) => {
+            e.preventDefault();
+            if (state.isRefreshing) return;
+
+            updateLoadingState(true);
+            try {
+                await updateSwapsTable({ resetPage: true, refreshData: true });
+            } finally {
+                updateLoadingState(false);
+            }
+        });
+    }
+
+    if (elements.prevPageButton) {
+        elements.prevPageButton.addEventListener('click', async (e) => {
+            e.preventDefault();
+            if (state.isLoading) return;
+            if (state.currentPage > 1) {
+                state.currentPage--;
+                await updateSwapsTable({ resetPage: false, refreshData: false });
+            }
+        });
+    }
+
+    if (elements.nextPageButton) {
+        elements.nextPageButton.addEventListener('click', async (e) => {
+            e.preventDefault();
+            if (state.isLoading) return;
+            const totalPages = Math.ceil(state.swapsData.length / PAGE_SIZE);
+            if (state.currentPage < totalPages) {
+                state.currentPage++;
+                await updateSwapsTable({ resetPage: false, refreshData: false });
+            }
+        });
+    }
+};
+
+// Init
+document.addEventListener('DOMContentLoaded', () => {
+    WebSocketManager.initialize();
+    setupEventListeners();
+});

basicswap/static/js/bids_available.js

@@ -0,0 +1,899 @@
+// Constants and State
+const PAGE_SIZE = 50;
+const COIN_NAME_TO_SYMBOL = {
+    'Bitcoin': 'BTC',
+    'Litecoin': 'LTC',
+    'Monero': 'XMR',
+    'Particl': 'PART',
+    'Particl Blind': 'PART',
+    'Particl Anon': 'PART',
+    'PIVX': 'PIVX',
+    'Firo': 'FIRO',
+    'Dash': 'DASH',
+    'Decred': 'DCR',
+    'Wownero': 'WOW',
+    'Bitcoin Cash': 'BCH',
+    'Dogecoin': 'DOGE'
+};
+
+// Global state
+const state = {
+    dentities: new Map(),
+    currentPage: 1,
+    wsConnected: false,
+    jsonData: [],
+    isLoading: false,
+    isRefreshing: false,
+    refreshPromise: null
+};
+
+// DOM
+const elements = {
+    bidsBody: document.getElementById('bids-body'),
+    prevPageButton: document.getElementById('prevPage'),
+    nextPageButton: document.getElementById('nextPage'),
+    currentPageSpan: document.getElementById('currentPage'),
+    paginationControls: document.getElementById('pagination-controls'),
+    availableBidsCount: document.getElementById('availableBidsCount'),
+    refreshBidsButton: document.getElementById('refreshBids'),
+    statusDot: document.getElementById('status-dot'),
+    statusText: document.getElementById('status-text')
+};
+
+// Identity Manager
+const IdentityManager = {
+    cache: new Map(),
+    pendingRequests: new Map(),
+    retryDelay: 2000,
+    maxRetries: 3,
+    cacheTimeout: 5 * 60 * 1000, // 5 minutes
+
+    async getIdentityData(address) {
+        if (!address) {
+            return { address: '' };
+        }
+
+        const cachedData = this.getCachedIdentity(address);
+        if (cachedData) {
+            return { ...cachedData, address };
+        }
+
+        if (this.pendingRequests.has(address)) {
+            const pendingData = await this.pendingRequests.get(address);
+            return { ...pendingData, address };
+        }
+
+        const request = this.fetchWithRetry(address);
+        this.pendingRequests.set(address, request);
+
+        try {
+            const data = await request;
+            this.cache.set(address, {
+                data,
+                timestamp: Date.now()
+            });
+            return { ...data, address };
+        } catch (error) {
+            console.warn(`Error fetching identity for ${address}:`, error);
+            return { address };
+        } finally {
+            this.pendingRequests.delete(address);
+        }
+    },
+
+    getCachedIdentity(address) {
+        const cached = this.cache.get(address);
+        if (cached && (Date.now() - cached.timestamp) < this.cacheTimeout) {
+            return cached.data;
+        }
+        if (cached) {
+            this.cache.delete(address);
+        }
+        return null;
+    },
+
+    async fetchWithRetry(address, attempt = 1) {
+        try {
+            const response = await fetch(`/json/identities/${address}`, {
+                signal: AbortSignal.timeout(5000)
+            });
+
+            if (!response.ok) {
+                throw new Error(`HTTP error! status: ${response.status}`);
+            }
+
+            const data = await response.json();
+            return {
+                ...data,
+                address,
+                num_sent_bids_successful: safeParseInt(data.num_sent_bids_successful),
+                num_recv_bids_successful: safeParseInt(data.num_recv_bids_successful),
+                num_sent_bids_failed: safeParseInt(data.num_sent_bids_failed),
+                num_recv_bids_failed: safeParseInt(data.num_recv_bids_failed),
+                num_sent_bids_rejected: safeParseInt(data.num_sent_bids_rejected),
+                num_recv_bids_rejected: safeParseInt(data.num_recv_bids_rejected),
+                label: data.label || '',
+                note: data.note || '',
+                automation_override: safeParseInt(data.automation_override)
+            };
+        } catch (error) {
+            if (attempt >= this.maxRetries) {
+                console.warn(`Failed to fetch identity for ${address} after ${attempt} attempts`);
+                return {
+                    address,
+                    num_sent_bids_successful: 0,
+                    num_recv_bids_successful: 0,
+                    num_sent_bids_failed: 0,
+                    num_recv_bids_failed: 0,
+                    num_sent_bids_rejected: 0,
+                    num_recv_bids_rejected: 0,
+                    label: '',
+                    note: '',
+                    automation_override: 0
+                };
+            }
+
+            await new Promise(resolve => setTimeout(resolve, this.retryDelay * attempt));
+            return this.fetchWithRetry(address, attempt + 1);
+        }
+    },
+
+    clearCache() {
+        this.cache.clear();
+        this.pendingRequests.clear();
+    },
+
+    removeFromCache(address) {
+        this.cache.delete(address);
+        this.pendingRequests.delete(address);
+    },
+
+    cleanup() {
+        const now = Date.now();
+        for (const [address, cached] of this.cache.entries()) {
+            if (now - cached.timestamp >= this.cacheTimeout) {
+                this.cache.delete(address);
+            }
+        }
+    }
+};
+
+// Util
+const formatTimeAgo = (timestamp) => {
+    const now = Math.floor(Date.now() / 1000);
+    const diff = now - timestamp;
+
+    if (diff < 60) return `${diff} seconds ago`;
+    if (diff < 3600) return `${Math.floor(diff / 60)} minutes ago`;
+    if (diff < 86400) return `${Math.floor(diff / 3600)} hours ago`;
+    return `${Math.floor(diff / 86400)} days ago`;
+};
+
+const formatTime = (timestamp) => {
+    const now = Math.floor(Date.now() / 1000);
+    const diff = timestamp - now;
+
+    if (diff <= 0) return "Expired";
+    if (diff < 60) return `${diff} seconds`;
+    if (diff < 3600) return `${Math.floor(diff / 60)} minutes`;
+    if (diff < 86400) return `${Math.floor(diff / 3600)} hours`;
+    return `${Math.floor(diff / 86400)} days`;
+};
+
+const formatAddress = (address, displayLength = 15) => {
+    if (!address) return '';
+    if (address.length <= displayLength) return address;
+    return `${address.slice(0, displayLength)}...`;
+};
+
+const getTimeStrokeColor = (expireTime) => {
+    const now = Math.floor(Date.now() / 1000);
+    const timeLeft = expireTime - now;
+
+    if (timeLeft <= 300) return '#9CA3AF'; // 5 minutes or less
+    if (timeLeft <= 1800) return '#3B82F6'; // 30 minutes or less
+    return '#10B981'; // More than 30 minutes
+};
+
+const createTimeTooltip = (bid) => {
+    const postedTime = formatTimeAgo(bid.created_at);
+    const expiresIn = formatTime(bid.expire_at);
+    return `
+        <div class="active-revoked-expired">
+            <span class="bold">
+                <div class="text-xs"><span class="bold">Posted:</span> ${postedTime}</div>
+                <div class="text-xs"><span class="bold">Expires in:</span> ${expiresIn}</div>
+            </span>
+        </div>
+        <div class="mt-5 text-xs">
+            <p class="font-bold mb-3">Time Indicator Colors:</p>
+            <p class="flex items-center">
+                <svg class="w-5 h-5 mr-3" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
+                    <g stroke-linecap="round" stroke-width="2" fill="none" stroke="#10B981" stroke-linejoin="round">
+                        <circle cx="12" cy="12" r="11"></circle>
+                        <polyline points="12,6 12,12 18,12" stroke="#10B981"></polyline>
+                    </g>
+                </svg>
+                Green: More than 30 minutes left
+            </p>
+            <p class="flex items-center mt-3">
+                <svg class="w-5 h-5 mr-3" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
+                    <g stroke-linecap="round" stroke-width="2" fill="none" stroke="#3B82F6" stroke-linejoin="round">
+                        <circle cx="12" cy="12" r="11"></circle>
+                        <polyline points="12,6 12,12 18,12" stroke="#3B82F6"></polyline>
+                    </g>
+                </svg>
+                Blue: Between 5 and 30 minutes left
+            </p>
+            <p class="flex items-center mt-3 mb-3">
+                <svg class="w-5 h-5 mr-3" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
+                    <g stroke-linecap="round" stroke-width="2" fill="none" stroke="#9CA3AF" stroke-linejoin="round">
+                        <circle cx="12" cy="12" r="11"></circle>
+                        <polyline points="12,6 12,12 18,12" stroke="#9CA3AF"></polyline>
+                    </g>
+                </svg>
+                Grey: Less than 5 minutes left or expired
+            </p>
+        </div>
+    `;
+};
+
+const safeParseInt = (value) => {
+    const parsed = parseInt(value);
+    return isNaN(parsed) ? 0 : parsed;
+};
+
+const processIdentityStats = (identity) => {
+    if (!identity) return null;
+
+    const stats = {
+        sentSuccessful: safeParseInt(identity.num_sent_bids_successful),
+        recvSuccessful: safeParseInt(identity.num_recv_bids_successful),
+        sentFailed: safeParseInt(identity.num_sent_bids_failed),
+        recvFailed: safeParseInt(identity.num_recv_bids_failed),
+        sentRejected: safeParseInt(identity.num_sent_bids_rejected),
+        recvRejected: safeParseInt(identity.num_recv_bids_rejected)
+    };
+
+    stats.totalSuccessful = stats.sentSuccessful + stats.recvSuccessful;
+    stats.totalFailed = stats.sentFailed + stats.recvFailed;
+    stats.totalRejected = stats.sentRejected + stats.recvRejected;
+    stats.totalBids = stats.totalSuccessful + stats.totalFailed + stats.totalRejected;
+
+    stats.successRate = stats.totalBids > 0
+        ? ((stats.totalSuccessful / stats.totalBids) * 100).toFixed(1)
+        : '0.0';
+
+    return stats;
+};
+
+const createIdentityTooltip = (identity) => {
+    if (!identity) return '';
+
+    const stats = processIdentityStats(identity);
+    if (!stats) return '';
+
+    const getSuccessRateColor = (rate) => {
+        const numRate = parseFloat(rate);
+        if (numRate >= 80) return 'text-green-600';
+        if (numRate >= 60) return 'text-yellow-600';
+        return 'text-red-600';
+    };
+
+    return `
+        <div class="identity-info space-y-2">
+            ${identity.label ? `
+                <div class="border-b border-gray-400 pb-2">
+                    <div class="text-white text-xs tracking-wide font-semibold">Label:</div>
+                    <div class="text-white">${identity.label}</div>
+                </div>
+            ` : ''}
+
+            <div class="space-y-1">
+                <div class="text-white text-xs tracking-wide font-semibold">Bid From Address:</div>
+                <div class="monospace text-xs break-all bg-gray-500 p-2 rounded-md text-white">
+                    ${identity.address || ''}
+                </div>
+            </div>
+
+            ${identity.note ? `
+                <div class="space-y-1">
+                    <div class="text-white text-xs tracking-wide font-semibold">Note:</div>
+                    <div class="text-white text-sm italic">${identity.note}</div>
+                </div>
+            ` : ''}
+
+            <div class="pt-2 mt-2">
+                <div class="text-white text-xs tracking-wide font-semibold mb-2">Swap History:</div>
+                <div class="grid grid-cols-2 gap-2">
+                    <div class="text-center p-2 bg-gray-500 rounded-md">
+                        <div class="text-lg font-bold ${getSuccessRateColor(stats.successRate)}">
+                            ${stats.successRate}%
+                        </div>
+                        <div class="text-xs text-white">Success Rate</div>
+                    </div>
+                    <div class="text-center p-2 bg-gray-500 rounded-md">
+                        <div class="text-lg font-bold text-blue-500">${stats.totalBids}</div>
+                        <div class="text-xs text-white">Total Trades</div>
+                    </div>
+                </div>
+                <div class="grid grid-cols-3 gap-2 mt-2 text-center text-xs">
+                    <div>
+                        <div class="text-green-600 font-semibold">
+                            ${stats.totalSuccessful}
+                        </div>
+                        <div class="text-white">Successful</div>
+                    </div>
+                    <div>
+                        <div class="text-yellow-600 font-semibold">
+                            ${stats.totalRejected}
+                        </div>
+                        <div class="text-white">Rejected</div>
+                    </div>
+                    <div>
+                        <div class="text-red-600 font-semibold">
+                            ${stats.totalFailed}
+                        </div>
+                        <div class="text-white">Failed</div>
+                    </div>
+                </div>
+            </div>
+        </div>
+    `;
+};
+
+// WebSocket Manager
+const WebSocketManager = {
+    ws: null,
+    processingQueue: false,
+    reconnectTimeout: null,
+    maxReconnectAttempts: 5,
+    reconnectAttempts: 0,
+    reconnectDelay: 5000,
+
+    initialize() {
+        this.connect();
+        this.startHealthCheck();
+    },
+
+    connect() {
+        if (this.ws?.readyState === WebSocket.OPEN) return;
+
+        try {
+            const wsPort = window.ws_port || '11700';
+            this.ws = new WebSocket(`ws://${window.location.hostname}:${wsPort}`);
+            this.setupEventHandlers();
+        } catch (error) {
+            console.error('WebSocket connection error:', error);
+            this.handleReconnect();
+        }
+    },
+
+    setupEventHandlers() {
+        this.ws.onopen = () => {
+            state.wsConnected = true;
+            this.reconnectAttempts = 0;
+            updateConnectionStatus('connected');
+            console.log('🟢  WebSocket connection established for Bid Requests');
+            updateBidsTable({ resetPage: true, refreshData: true });
+        };
+
+        this.ws.onmessage = () => {
+            if (!this.processingQueue) {
+                this.processingQueue = true;
+                setTimeout(async () => {
+                    try {
+                        if (!state.isRefreshing) {
+                            await updateBidsTable({ resetPage: false, refreshData: true });
+                        }
+                    } finally {
+                        this.processingQueue = false;
+                    }
+                }, 200);
+            }
+        };
+
+        this.ws.onclose = () => {
+            state.wsConnected = false;
+            updateConnectionStatus('disconnected');
+            this.handleReconnect();
+        };
+
+        this.ws.onerror = () => {
+            updateConnectionStatus('error');
+        };
+    },
+
+    startHealthCheck() {
+        setInterval(() => {
+            if (this.ws?.readyState !== WebSocket.OPEN) {
+                this.handleReconnect();
+            }
+        }, 30000);
+    },
+
+    handleReconnect() {
+        if (this.reconnectTimeout) {
+            clearTimeout(this.reconnectTimeout);
+        }
+
+        this.reconnectAttempts++;
+        if (this.reconnectAttempts <= this.maxReconnectAttempts) {
+            const delay = this.reconnectDelay * Math.pow(1.5, this.reconnectAttempts - 1);
+            this.reconnectTimeout = setTimeout(() => this.connect(), delay);
+        } else {
+            updateConnectionStatus('error');
+            setTimeout(() => {
+                this.reconnectAttempts = 0;
+                this.connect();
+            }, 60000);
+        }
+    }
+};
+
+// UI
+const updateConnectionStatus = (status) => {
+    const { statusDot, statusText } = elements;
+    if (!statusDot || !statusText) return;
+
+    const statusConfig = {
+        connected: {
+            dotClass: 'w-2.5 h-2.5 rounded-full bg-green-500 mr-2',
+            textClass: 'text-sm text-green-500',
+            message: 'Connected'
+        },
+        disconnected: {
+            dotClass: 'w-2.5 h-2.5 rounded-full bg-red-500 mr-2',
+            textClass: 'text-sm text-red-500',
+            message: 'Disconnected - Reconnecting...'
+        },
+        error: {
+            dotClass: 'w-2.5 h-2.5 rounded-full bg-yellow-500 mr-2',
+            textClass: 'text-sm text-yellow-500',
+            message: 'Connection Error'
+        },
+        default: {
+            dotClass: 'w-2.5 h-2.5 rounded-full bg-gray-500 mr-2',
+            textClass: 'text-sm text-gray-500',
+            message: 'Connecting...'
+        }
+    };
+
+    const config = statusConfig[status] || statusConfig.default;
+    statusDot.className = config.dotClass;
+    statusText.className = config.textClass;
+    statusText.textContent = config.message;
+};
+
+const updateLoadingState = (isLoading) => {
+    state.isLoading = isLoading;
+     if (elements.refreshBidsButton) {
+        elements.refreshBidsButton.disabled = isLoading;
+        elements.refreshBidsButton.classList.toggle('opacity-75', isLoading);
+        elements.refreshBidsButton.classList.toggle('cursor-wait', isLoading);
+
+        const refreshIcon = elements.refreshBidsButton.querySelector('svg');
+        const refreshText = elements.refreshBidsButton.querySelector('#refreshText');
+
+        if (refreshIcon) {
+            // Add CSS transition for smoother animation
+            refreshIcon.style.transition = 'transform 0.3s ease';
+            refreshIcon.classList.toggle('animate-spin', isLoading);
+        }
+
+        if (refreshText) {
+            refreshText.textContent = isLoading ? 'Refreshing...' : 'Refresh';
+        }
+    }
+};
+
+const createBidTableRow = async (bid) => {
+    if (!bid || !bid.bid_id) {
+        console.error('Invalid bid data:', bid);
+        return '';
+    }
+
+    const identity = await IdentityManager.getIdentityData(bid.addr_from);
+    const fromAmount = parseFloat(bid.amount_from) || 0;
+    const toAmount = parseFloat(bid.amount_to) || 0;
+    const rate = toAmount > 0 ? toAmount / fromAmount : 0;
+    const inverseRate = fromAmount > 0 ? fromAmount / toAmount : 0;
+
+    const fromSymbol = COIN_NAME_TO_SYMBOL[bid.coin_from] || bid.coin_from;
+    const toSymbol = COIN_NAME_TO_SYMBOL[bid.coin_to] || bid.coin_to;
+
+    const timeColor = getTimeStrokeColor(bid.expire_at);
+    const uniqueId = `${bid.bid_id}_${bid.created_at}`;
+
+    return `
+        <tr class="relative opacity-100 text-gray-500 dark:text-gray-100 hover:bg-coolGray-200 dark:hover:bg-gray-600" data-bid-id="${bid.bid_id}">
+            <td class="relative w-0 p-0 m-0">
+                <div class="absolute top-0 bottom-0 left-0 w-1"></div>
+            </td>
+
+            <!-- Time Column -->
+            <td class="py-3 pl-1 pr-2 text-xs whitespace-nowrap">
+                <div class="flex items-center">
+                    <div class="relative" data-tooltip-target="tooltip-time-${uniqueId}">
+                        <svg class="w-5 h-5 rounded-full mr-4 cursor-pointer" xmlns="http://www.w3.org/2000/svg" height="20" width="20" viewBox="0 0 24 24">
+                            <g stroke-linecap="round" stroke-width="2" fill="none" stroke="${timeColor}" stroke-linejoin="round">
+                                <circle cx="12" cy="12" r="11"></circle>
+                                <polyline points="12,6 12,12 18,12"></polyline>
+                            </g>
+                        </svg>
+                    </div>
+                    <div class="flex flex-col hidden xl:block">
+                        <div class="text-xs whitespace-nowrap">
+                            <span class="bold">Posted:</span> ${formatTimeAgo(bid.created_at)}
+                        </div>
+                        <div class="text-xs whitespace-nowrap">
+                            <span class="bold">Expires in:</span> ${formatTime(bid.expire_at)}
+                        </div>
+                    </div>
+                </div>
+            </td>
+
+            <!-- Details Column -->
+            <td class="py-8 px-4 text-xs text-left hidden xl:block">
+                <div class="flex flex-col gap-2 relative">
+                    <div class="flex items-center">
+                        <a href="/identity/${bid.addr_from}" data-tooltip-target="tooltip-identity-${uniqueId}" class="flex items-center">
+                            <svg class="w-4 h-4 mr-2 text-gray-400 dark:text-white" fill="currentColor" viewBox="0 0 20 20">
+                                <path fill-rule="evenodd" d="M10 9a3 3 0 100-6 3 3 0 000 6zm-7 9a7 7 0 1114 0H3z" clip-rule="evenodd"></path>
+                            </svg>
+                            <span class="monospace ${identity?.label ? 'dark:text-white' : 'dark:text-white'}">
+                                ${identity?.label || formatAddress(bid.addr_from)}
+                            </span>
+                        </a>
+                    </div>
+                    <div class="monospace text-xs text-gray-500 dark:text-gray-300">
+                        <span class="font-semibold">Offer ID:</span> 
+                        <a href="/offer/${bid.offer_id}" data-tooltip-target="tooltip-offer-${uniqueId}" class="hover:underline">
+                            ${formatAddress(bid.offer_id)}
+                        </a>
+                    </div>
+                    <div class="monospace text-xs text-gray-500 dark:text-gray-300">
+                        <span class="font-semibold">Bid ID:</span> 
+                        <a href="/bid/${bid.bid_id}" data-tooltip-target="tooltip-bid-${uniqueId}" class="hover:underline">
+                            ${formatAddress(bid.bid_id)}
+                        </a>
+                    </div>
+                </div>
+            </td>
+
+            <!-- You Send Column -->
+            <td class="py-0">
+                <div class="py-3 px-4 text-left">
+                    <div class="items-center monospace">
+                        <div class="pr-2">
+                            <div class="text-sm font-semibold">${fromAmount.toFixed(8)}</div>
+                            <div class="text-sm text-gray-500 dark:text-gray-400">${bid.coin_from}</div>
+                        </div>
+                    </div>
+                </div>
+            </td>
+
+            <!-- Swap Column -->
+            <td class="py-0">
+                <div class="py-3 px-4 text-center">
+                    <div class="flex items-center justify-center">
+                        <span class="inline-flex mr-3 align-middle items-center justify-center w-18 h-20 rounded">
+                            <img class="h-12" 
+                                 src="/static/images/coins/${bid.coin_from.replace(' ', '-')}.png" 
+                                 alt="${bid.coin_from}"
+                                 onerror="this.src='/static/images/coins/default.png'">
+                        </span>
+                        <svg class="w-5 h-5" fill="currentColor" viewBox="0 0 20 20">
+                            <path fill-rule="evenodd" d="M12.293 5.293a1 1 0 011.414 0l4 4a1 1 0 010 1.414l-4 4a1 1 0 01-1.414-1.414L14.586 11H3a1 1 0 110-2h11.586l-2.293-2.293a1 1 0 010-1.414z"></path>
+                        </svg>
+                        <span class="inline-flex ml-3 align-middle items-center justify-center w-18 h-20 rounded">
+                            <img class="h-12" 
+                                 src="/static/images/coins/${bid.coin_to.replace(' ', '-')}.png" 
+                                 alt="${bid.coin_to}"
+                                 onerror="this.src='/static/images/coins/default.png'">
+                        </span>
+                    </div>
+                </div>
+            </td>
+            
+            <!-- You Get Column -->
+            <td class="py-0">
+                <div class="py-3 px-4 text-right">
+                    <div class="items-center monospace">
+                        <div class="text-sm font-semibold">${toAmount.toFixed(8)}</div>
+                        <div class="text-sm text-gray-500 dark:text-gray-400">${bid.coin_to}</div>
+                    </div>
+                </div>
+            </td>
+
+            <!-- Rate Column -->
+            <td class="py-3 px-4 text-right semibold monospace item-center text-xs">
+                <div class="relative">
+                    <div class="flex flex-col items-end">
+                        <span class="bold text-gray-700 dark:text-white">
+                            ${rate.toFixed(8)} ${toSymbol}/${fromSymbol}
+                        </span>
+                        <span class="semibold text-gray-400 dark:text-gray-300">
+                            ${inverseRate.toFixed(8)} ${fromSymbol}/${toSymbol}
+                        </span>
+                    </div>
+                </div>
+            </td>
+
+            <!-- Actions Column -->
+            <td class="py-3 px-4 text-center">
+                <a href="/bid/${bid.bid_id}/accept" 
+                   class="inline-block w-20 py-1 px-2 font-medium text-center text-sm rounded-md bg-blue-500 text-white border border-blue-500 hover:bg-blue-600 transition duration-200">
+                    Accept
+                </a>
+            </td>
+        </tr>
+
+        <!-- Tooltips -->
+        <div id="tooltip-time-${uniqueId}" role="tooltip" class="inline-block absolute z-50 py-2 px-3 text-sm font-medium text-white bg-gray-400 rounded-lg shadow-sm opacity-0 transition-opacity duration-300 tooltip dark:bg-gray-600">
+            <div class="active-revoked-expired">
+                <span class="bold">
+                    <div class="text-xs"><span class="bold">Posted:</span> ${formatTimeAgo(bid.created_at)}</div>
+                    <div class="text-xs"><span class="bold">Expires in:</span> ${formatTime(bid.expire_at)}</div>
+                </span>
+            </div>
+            <div class="mt-5 text-xs">
+                <p class="font-bold mb-3">Time Indicator Colors:</p>
+                <p class="flex items-center">
+                    <svg class="w-5 h-5 mr-3" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
+                        <g stroke-linecap="round" stroke-width="2" fill="none" stroke="#10B981" stroke-linejoin="round">
+                            <circle cx="12" cy="12" r="11"></circle>
+                            <polyline points="12,6 12,12 18,12" stroke="#10B981"></polyline>
+                        </g>
+                    </svg>
+                    Green: More than 30 minutes left
+                </p>
+                <p class="flex items-center mt-3">
+                    <svg class="w-5 h-5 mr-3" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
+                        <g stroke-linecap="round" stroke-width="2" fill="none" stroke="#3B82F6" stroke-linejoin="round">
+                            <circle cx="12" cy="12" r="11"></circle>
+                            <polyline points="12,6 12,12 18,12" stroke="#3B82F6"></polyline>
+                        </g>
+                    </svg>
+                    Blue: Between 5 and 30 minutes left
+                </p>
+                <p class="flex items-center mt-3 mb-3">
+                    <svg class="w-5 h-5 mr-3" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
+                        <g stroke-linecap="round" stroke-width="2" fill="none" stroke="#9CA3AF" stroke-linejoin="round">
+                            <circle cx="12" cy="12" r="11"></circle>
+                            <polyline points="12,6 12,12 18,12" stroke="#9CA3AF"></polyline>
+                        </g>
+                    </svg>
+                    Grey: Less than 5 minutes left or expired
+                </p>
+            </div>
+            <div class="tooltip-arrow" data-popper-arrow></div>
+        </div>
+
+        <div id="tooltip-identity-${uniqueId}" role="tooltip" class="fixed z-50 py-3 px-4 text-sm font-medium text-white bg-gray-400 rounded-lg shadow-sm opacity-0 transition-opacity duration-300 tooltip dark:bg-gray-600 max-w-sm pointer-events-none">
+            ${createIdentityTooltip(identity)}
+            <div class="tooltip-arrow" data-popper-arrow></div>
+        </div>
+
+        <div id="tooltip-offer-${uniqueId}" role="tooltip" class="inline-block absolute z-50 py-2 px-3 text-sm font-medium text-white bg-gray-400 rounded-lg shadow-sm opacity-0 transition-opacity duration-300 tooltip dark:bg-gray-600">
+            <div class="space-y-1">
+                <div class="text-white text-xs tracking-wide font-semibold">Offer ID:</div>
+                <div class="monospace text-xs break-all">
+                    ${bid.offer_id}
+                </div>
+            </div>
+            <div class="tooltip-arrow" data-popper-arrow></div>
+        </div>
+
+        <div id="tooltip-bid-${uniqueId}" role="tooltip" class="inline-block absolute z-50 py-2 px-3 text-sm font-medium text-white bg-gray-400 rounded-lg shadow-sm opacity-0 transition-opacity duration-300 tooltip dark:bg-gray-600">
+            <div class="space-y-1">
+                <div class="text-white text-xs tracking-wide font-semibold">Bid ID:</div>
+                <div class="monospace text-xs break-all">
+                    ${bid.bid_id}
+                </div>
+            </div>
+            <div class="tooltip-arrow" data-popper-arrow></div>
+        </div>
+    `;
+};
+
+const getDisplayText = (identity, address) => {
+    if (identity?.label) {
+        return identity.label;
+    }
+    return formatAddress(address);
+};
+
+const createDetailsColumn = (bid, identity, uniqueId) => `
+    <td class="py-8 px-4 text-xs text-left hidden xl:block">
+        <div class="flex flex-col gap-2 relative">
+            <div class="flex items-center">
+                <a href="/identity/${bid.addr_from}" data-tooltip-target="tooltip-identity-${uniqueId}" class="flex items-center">
+                    <svg class="w-4 h-4 mr-2 text-gray-400 dark:text-white" fill="currentColor" viewBox="0 0 20 20">
+                        <path fill-rule="evenodd" d="M10 9a3 3 0 100-6 3 3 0 000 6zm-7 9a7 7 0 1114 0H3z" clip-rule="evenodd"></path>
+                    </svg>
+                    <span class="monospace ${identity?.label ? 'dark:text-white' : 'dark:text-white'}">
+                        ${getDisplayText(identity, bid.addr_from)}
+                    </span>
+                </a>
+            </div>
+            <div class="monospace text-xs text-gray-500 dark:text-gray-300">
+                <span class="font-semibold">Offer ID:</span> 
+                <a href="/offer/${bid.offer_id}" data-tooltip-target="tooltip-offer-${uniqueId}" class="hover:underline">
+                    ${formatAddress(bid.offer_id)}
+                </a>
+            </div>
+            <div class="monospace text-xs text-gray-500 dark:text-gray-300">
+                <span class="font-semibold">Bid ID:</span> 
+                <a href="/bid/${bid.bid_id}" data-tooltip-target="tooltip-bid-${uniqueId}" class="hover:underline">
+                    ${formatAddress(bid.bid_id)}
+                </a>
+            </div>
+        </div>
+    </td>
+`;
+
+async function updateBidsTable(options = {}) {
+    const { resetPage = false, refreshData = true } = options;
+
+    if (state.refreshPromise) {
+        await state.refreshPromise;
+        return;
+    }
+
+    try {
+        updateLoadingState(true);
+
+        if (refreshData) {
+            state.refreshPromise = (async () => {
+                try {
+                    const response = await fetch('/json/bids', {
+                        method: 'POST',
+                        headers: { 'Content-Type': 'application/json' },
+                        body: JSON.stringify({
+                            sort_by: "created_at",
+                            sort_dir: "desc",
+                            with_available_or_active: true
+                        })
+                    });
+
+                    if (!response.ok) {
+                        throw new Error(`HTTP error! status: ${response.status}`);
+                    }
+
+                    const allBids = await response.json();
+                    if (!Array.isArray(allBids)) {
+                        throw new Error('Invalid response format');
+                    }
+
+                    state.jsonData = allBids.filter(bid => bid.bid_state === "Received");
+                    state.originalJsonData = [...state.jsonData];
+                } finally {
+                    state.refreshPromise = null;
+                }
+            })();
+
+            await state.refreshPromise;
+        }
+
+        if (elements.availableBidsCount) {
+            elements.availableBidsCount.textContent = state.jsonData.length;
+        }
+
+        const totalPages = Math.ceil(state.jsonData.length / PAGE_SIZE);
+
+        if (resetPage && state.jsonData.length > 0) {
+            state.currentPage = 1;
+        }
+
+        state.currentPage = Math.min(Math.max(1, state.currentPage), Math.max(1, totalPages));
+
+        const startIndex = (state.currentPage - 1) * PAGE_SIZE;
+        const endIndex = startIndex + PAGE_SIZE;
+        const currentPageBids = state.jsonData.slice(startIndex, endIndex);
+
+        if (elements.bidsBody) {
+            if (currentPageBids.length > 0) {
+                const rowPromises = currentPageBids.map(bid => createBidTableRow(bid));
+                const rows = await Promise.all(rowPromises);
+                elements.bidsBody.innerHTML = rows.join('');
+
+                if (window.TooltipManager) {
+                    window.TooltipManager.cleanup();
+                    const tooltipTriggers = document.querySelectorAll('[data-tooltip-target]');
+                    tooltipTriggers.forEach(trigger => {
+                        const targetId = trigger.getAttribute('data-tooltip-target');
+                        const tooltipContent = document.getElementById(targetId);
+                        if (tooltipContent) {
+                            window.TooltipManager.create(trigger, tooltipContent.innerHTML, {
+                                placement: trigger.getAttribute('data-tooltip-placement') || 'top'
+                            });
+                        }
+                    });
+                }
+            } else {
+                elements.bidsBody.innerHTML = `
+                    <tr>
+                        <td colspan="8" class="text-center py-4 text-gray-500 dark:text-white">
+                            No available bids requests found
+                        </td>
+                    </tr>`;
+            }
+        }
+
+        if (elements.paginationControls) {
+            elements.paginationControls.style.display = totalPages > 1 ? 'flex' : 'none';
+        }
+
+        if (elements.currentPageSpan) {
+            elements.currentPageSpan.textContent = state.currentPage;
+        }
+
+        if (elements.prevPageButton) {
+            elements.prevPageButton.style.display = state.currentPage > 1 ? 'inline-flex' : 'none';
+        }
+
+        if (elements.nextPageButton) {
+            elements.nextPageButton.style.display = state.currentPage < totalPages ? 'inline-flex' : 'none';
+        }
+
+    } catch (error) {
+        console.error('Error updating bids table:', error);
+        if (elements.bidsBody) {
+            elements.bidsBody.innerHTML = `
+                <tr>
+                    <td colspan="8" class="text-center py-4 text-red-500">
+                        Error loading bids. Please try again later.
+                    </td>
+                </tr>`;
+        }
+    } finally {
+        updateLoadingState(false);
+    }
+}
+
+// Event
+const setupEventListeners = () => {
+if (elements.refreshBidsButton) {
+    elements.refreshBidsButton.addEventListener('click', async () => {
+        if (state.isRefreshing) return;
+
+        updateLoadingState(true);
+
+        await new Promise(resolve => setTimeout(resolve, 500));
+
+        try {
+            await updateBidsTable({ resetPage: true, refreshData: true });
+        } finally {
+            updateLoadingState(false);
+        }
+    });
+}
+
+    if (elements.prevPageButton) {
+        elements.prevPageButton.addEventListener('click', async () => {
+            if (state.isLoading) return;
+            if (state.currentPage > 1) {
+                state.currentPage--;
+                await updateBidsTable({ resetPage: false, refreshData: false });
+            }
+        });
+    }
+
+    if (elements.nextPageButton) {
+        elements.nextPageButton.addEventListener('click', async () => {
+            if (state.isLoading) return;
+            const totalPages = Math.ceil(state.jsonData.length / PAGE_SIZE);
+            if (state.currentPage < totalPages) {
+                state.currentPage++;
+                await updateBidsTable({ resetPage: false, refreshData: false });
+            }
+        });
+    }
+};
+
+// Init
+document.addEventListener('DOMContentLoaded', () => {
+    WebSocketManager.initialize();
+    setupEventListeners();
+});

basicswap/static/js/bids_export.js

@@ -0,0 +1,141 @@
+const BidExporter = {
+    toCSV(bids, type) {
+        if (!bids || !bids.length) {
+            return 'No data to export';
+        }
+
+        const isSent = type === 'sent';
+        
+        const headers = [
+            'Date/Time',
+            'Bid ID',
+            'Offer ID',
+            'From Address',
+            isSent ? 'You Send Amount' : 'You Receive Amount',
+            isSent ? 'You Send Coin' : 'You Receive Coin',
+            isSent ? 'You Receive Amount' : 'You Send Amount',
+            isSent ? 'You Receive Coin' : 'You Send Coin',
+            'Status',
+            'Created At',
+            'Expires At'
+        ];
+        
+        let csvContent = headers.join(',') + '\n';
+        
+        bids.forEach(bid => {
+            const row = [
+                `"${formatTime(bid.created_at)}"`,
+                `"${bid.bid_id}"`,
+                `"${bid.offer_id}"`,
+                `"${bid.addr_from}"`,
+                isSent ? bid.amount_from : bid.amount_to,
+                `"${isSent ? bid.coin_from : bid.coin_to}"`,
+                isSent ? bid.amount_to : bid.amount_from,
+                `"${isSent ? bid.coin_to : bid.coin_from}"`,
+                `"${bid.bid_state}"`,
+                bid.created_at,
+                bid.expire_at
+            ];
+            
+            csvContent += row.join(',') + '\n';
+        });
+        
+        return csvContent;
+    },
+    
+    download(content, filename) {
+        try {
+            const blob = new Blob([content], { type: 'text/csv;charset=utf-8;' });
+            
+            if (window.navigator && window.navigator.msSaveOrOpenBlob) {
+                window.navigator.msSaveOrOpenBlob(blob, filename);
+                return;
+            }
+
+            const url = URL.createObjectURL(blob);
+            const link = document.createElement('a');
+            
+            link.href = url;
+            link.download = filename;
+            link.style.display = 'none';
+            
+            document.body.appendChild(link);
+            link.click();
+            document.body.removeChild(link);
+            
+            setTimeout(() => {
+                URL.revokeObjectURL(url);
+            }, 100);
+        } catch (error) {
+            console.error('Error downloading CSV:', error);
+            
+            const csvData = 'data:text/csv;charset=utf-8,' + encodeURIComponent(content);
+            const link = document.createElement('a');
+            link.setAttribute('href', csvData);
+            link.setAttribute('download', filename);
+            link.style.display = 'none';
+            
+            document.body.appendChild(link);
+            link.click();
+            document.body.removeChild(link);
+        }
+    },
+    
+    exportCurrentView() {
+        const type = state.currentTab;
+        const data = state.data[type];
+        
+        if (!data || !data.length) {
+            alert('No data to export');
+            return;
+        }
+        
+        const csvContent = this.toCSV(data, type);
+        
+        const now = new Date();
+        const dateStr = now.toISOString().split('T')[0];
+        const filename = `bsx_${type}_bids_${dateStr}.csv`;
+        
+        this.download(csvContent, filename);
+    }
+};
+
+document.addEventListener('DOMContentLoaded', function() {
+    setTimeout(function() {
+        if (typeof state !== 'undefined' && typeof EventManager !== 'undefined') {
+            const exportSentButton = document.getElementById('exportSentBids');
+            if (exportSentButton) {
+                EventManager.add(exportSentButton, 'click', (e) => {
+                    e.preventDefault();
+                    state.currentTab = 'sent';
+                    BidExporter.exportCurrentView();
+                });
+            }
+            
+            const exportReceivedButton = document.getElementById('exportReceivedBids');
+            if (exportReceivedButton) {
+                EventManager.add(exportReceivedButton, 'click', (e) => {
+                    e.preventDefault();
+                    state.currentTab = 'received';
+                    BidExporter.exportCurrentView();
+                });
+            }
+        }
+    }, 500);
+});
+
+const originalCleanup = window.cleanup || function(){};
+window.cleanup = function() {
+    originalCleanup();
+    
+    const exportSentButton = document.getElementById('exportSentBids');
+    const exportReceivedButton = document.getElementById('exportReceivedBids');
+    
+    if (exportSentButton && typeof EventManager !== 'undefined') {
+        EventManager.remove(exportSentButton, 'click');
+    }
+    
+    if (exportReceivedButton && typeof EventManager !== 'undefined') {
+        EventManager.remove(exportReceivedButton, 'click');
+    }
+};

basicswap/static/js/coin_icons.js

@@ -14,7 +14,7 @@ document.addEventListener('DOMContentLoaded', () => {
         const image = selectedOption.getAttribute('data-image') || '';
         const name = selectedOption.textContent.trim();
         select.style.backgroundImage = image ? `url(${image}?${new Date().getTime()})` : '';
-        
+
         const selectImage = select.nextElementSibling.querySelector('.select-image');
         if (selectImage) {
             selectImage.src = image;

basicswap/static/js/dropdown.js

@@ -0,0 +1,190 @@
+(function(window) {
+    'use strict';
+
+    function positionElement(targetEl, triggerEl, placement = 'bottom', offsetDistance = 8) {
+        targetEl.style.visibility = 'hidden';
+        targetEl.style.display = 'block';
+        
+        const triggerRect = triggerEl.getBoundingClientRect();
+        const targetRect = targetEl.getBoundingClientRect();
+        const scrollLeft = window.pageXOffset || document.documentElement.scrollLeft;
+        const scrollTop = window.pageYOffset || document.documentElement.scrollTop;
+        
+        let top, left;
+
+        top = triggerRect.bottom + offsetDistance;
+        left = triggerRect.left + (triggerRect.width - targetRect.width) / 2;
+
+        switch (placement) {
+            case 'bottom-start':
+                left = triggerRect.left;
+                break;
+            case 'bottom-end':
+                left = triggerRect.right - targetRect.width;
+                break;
+        }
+
+        const viewport = {
+            width: window.innerWidth,
+            height: window.innerHeight
+        };
+
+        if (left < 10) left = 10;
+        if (left + targetRect.width > viewport.width - 10) {
+            left = viewport.width - targetRect.width - 10;
+        }
+
+        targetEl.style.position = 'fixed';
+        targetEl.style.top = `${Math.round(top)}px`;
+        targetEl.style.left = `${Math.round(left)}px`;
+        targetEl.style.margin = '0';
+        targetEl.style.maxHeight = `${viewport.height - top - 10}px`;
+        targetEl.style.overflow = 'auto';
+        targetEl.style.visibility = 'visible';
+    }
+
+    class Dropdown {
+        constructor(targetEl, triggerEl, options = {}) {
+            this._targetEl = targetEl;
+            this._triggerEl = triggerEl;
+            this._options = {
+                placement: options.placement || 'bottom',
+                offset: options.offset || 5,
+                onShow: options.onShow || function() {},
+                onHide: options.onHide || function() {}
+            };
+            this._visible = false;
+            this._initialized = false;
+            this._handleScroll = this._handleScroll.bind(this);
+            this._handleResize = this._handleResize.bind(this);
+            this._handleOutsideClick = this._handleOutsideClick.bind(this);
+            this.init();
+        }
+
+        init() {
+            if (!this._initialized) {
+                this._targetEl.style.margin = '0';
+                this._targetEl.style.display = 'none';
+                this._targetEl.style.position = 'fixed';
+                this._targetEl.style.zIndex = '50';
+                
+                this._setupEventListeners();
+                this._initialized = true;
+            }
+        }
+
+        _setupEventListeners() {
+            this._triggerEl.addEventListener('click', (e) => {
+                e.stopPropagation();
+                this.toggle();
+            });
+
+            document.addEventListener('click', this._handleOutsideClick);
+            document.addEventListener('keydown', (e) => {
+                if (e.key === 'Escape') this.hide();
+            });
+            window.addEventListener('scroll', this._handleScroll, true);
+            window.addEventListener('resize', this._handleResize);
+        }
+
+        _handleScroll() {
+            if (this._visible) {
+                requestAnimationFrame(() => {
+                    positionElement(
+                        this._targetEl,
+                        this._triggerEl,
+                        this._options.placement,
+                        this._options.offset
+                    );
+                });
+            }
+        }
+
+        _handleResize() {
+            if (this._visible) {
+                requestAnimationFrame(() => {
+                    positionElement(
+                        this._targetEl,
+                        this._triggerEl,
+                        this._options.placement,
+                        this._options.offset
+                    );
+                });
+            }
+        }
+
+        _handleOutsideClick(e) {
+            if (this._visible && 
+                !this._targetEl.contains(e.target) && 
+                !this._triggerEl.contains(e.target)) {
+                this.hide();
+            }
+        }
+
+        show() {
+            if (!this._visible) {
+                this._targetEl.style.display = 'block';
+                this._targetEl.style.visibility = 'hidden';
+
+                requestAnimationFrame(() => {
+                    positionElement(
+                        this._targetEl,
+                        this._triggerEl,
+                        this._options.placement,
+                        this._options.offset
+                    );
+                    
+                    this._visible = true;
+                    this._options.onShow();
+                });
+            }
+        }
+
+        hide() {
+            if (this._visible) {
+                this._targetEl.style.display = 'none';
+                this._visible = false;
+                this._options.onHide();
+            }
+        }
+
+        toggle() {
+            if (this._visible) {
+                this.hide();
+            } else {
+                this.show();
+            }
+        }
+
+        destroy() {
+            document.removeEventListener('click', this._handleOutsideClick);
+            window.removeEventListener('scroll', this._handleScroll, true);
+            window.removeEventListener('resize', this._handleResize);
+            this._initialized = false;
+        }
+    }
+
+    function initDropdowns() {
+        document.querySelectorAll('[data-dropdown-toggle]').forEach(triggerEl => {
+            const targetId = triggerEl.getAttribute('data-dropdown-toggle');
+            const targetEl = document.getElementById(targetId);
+            
+            if (targetEl) {
+                const placement = triggerEl.getAttribute('data-dropdown-placement');
+                new Dropdown(targetEl, triggerEl, {
+                    placement: placement || 'bottom-start'
+                });
+            }
+        });
+    }
+
+    if (document.readyState === 'loading') {
+        document.addEventListener('DOMContentLoaded', initDropdowns);
+    } else {
+        initDropdowns();
+    }
+
+    window.Dropdown = Dropdown;
+    window.initDropdowns = initDropdowns;
+
+})(window);

basicswap/static/js/main.js

@@ -19,8 +19,8 @@ document.addEventListener('DOMContentLoaded', function() {
     const backdrop = document.querySelectorAll('.navbar-backdrop');
 
     if (close.length) {
-        for (var i = 0; i < close.length; i++) {
-            close[i].addEventListener('click', function() {
+        for (var k = 0; k < close.length; k++) {
+            close[k].addEventListener('click', function() {
                 for (var j = 0; j < menu.length; j++) {
                     menu[j].classList.toggle('hidden');
                 }
@@ -29,12 +29,12 @@ document.addEventListener('DOMContentLoaded', function() {
     }
 
     if (backdrop.length) {
-        for (var i = 0; i < backdrop.length; i++) {
-            backdrop[i].addEventListener('click', function() {
+        for (var l = 0; l < backdrop.length; l++) {
+            backdrop[l].addEventListener('click', function() {
                 for (var j = 0; j < menu.length; j++) {
                     menu[j].classList.toggle('hidden');
                 }
             });
         }
     }
-});
+});

basicswap/static/js/new_offer.js

@@ -1,5 +1,5 @@
-window.addEventListener('DOMContentLoaded', (event) => {
-  let err_msgs = document.querySelectorAll('p.error_msg');
+window.addEventListener('DOMContentLoaded', () => {
+  const err_msgs = document.querySelectorAll('p.error_msg');
   for (let i = 0; i < err_msgs.length; i++) {
     err_msg = err_msgs[i].innerText;
     if (err_msg.indexOf('coin_to') >= 0 || err_msg.indexOf('Coin To') >= 0) {
@@ -29,9 +29,9 @@ window.addEventListener('DOMContentLoaded', (event) => {
   }
 
   // remove error class on input or select focus
-  let inputs = document.querySelectorAll('input.error');
-  let selects = document.querySelectorAll('select.error');
-  let elements = [...inputs, ...selects];
+  const inputs = document.querySelectorAll('input.error');
+  const selects = document.querySelectorAll('select.error');
+  const elements = [...inputs, ...selects];
   elements.forEach((element) => {
     element.addEventListener('focus', (event) => {
       event.target.classList.remove('error');