Added NMC to README

GUI v3.2.0

.cirrus.yml

@@ -3,11 +3,10 @@ container:
 
 lint_task:
   setup_script:
-    - pip install flake8
+    - pip install flake8 codespell
-    - pip install 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: ${BIN_DIR}/monero
   setup_script:
     - apt-get update
-    - apt-get install -y wget python3-pip gnupg unzip automake libtool pkg-config
+    - apt-get install -y python3-pip pkg-config
     - pip install tox pytest
-    - python3 setup.py install
+    - pip install .
-    - wget -O coincurve-anonswap.zip https://github.com/tecnovert/coincurve/archive/refs/tags/anonswap_v0.2.zip
-    - unzip -d coincurve-anonswap coincurve-anonswap.zip
-    - mv ./coincurve-anonswap/*/{.,}* ./coincurve-anonswap || true
-    - cd coincurve-anonswap
-    - python3 setup.py install --force
   bins_cache:
     folder: /tmp/cached_bin
     reupload_on_changes: false
     fingerprint_script:
       - basicswap-prepare -v
     populate_script:
-      - basicswap-prepare --bindir=/tmp/cached_bin --preparebinonly --withcoins=particl,bitcoin,litecoin,monero
+      - basicswap-prepare --bindir=/tmp/cached_bin --preparebinonly --withcoins=particl,bitcoin,bitcoincash,litecoin,monero
   script:
     - cd "${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;
+    apt-get install -y --no-install-recommends \
-
+        python3-pip libpython3-dev gnupg pkg-config gcc libc-dev gosu tzdata cmake ninja-build;
-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
 
 # 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

@@ -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:
+class BaseApp(DBMethods):
-    def __init__(self, fp, data_dir, settings, chain, log_name='BasicSwap'):
+    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.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_host = self.settings.get("tor_proxy_host", "127.0.0.1")
-        self.tor_proxy_port = self.settings.get('tor_proxy_port', 9050)
+        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_password = self.settings.get("tor_control_password", None)
-        self.tor_control_port = self.settings.get('tor_control_port', 9051)
+        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':
+        if self.log_name != "BasicSwap":
-            stream_stdout.setFormatter(logging.Formatter('%(asctime)s %(name)s %(levelname)s : %(message)s', '%Y-%m-%d %H:%M:%S'))
+            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:
+            if v["name"] == name:
-                v['pid'] = pid
+                v["pid"] = pid
 
     def getChainDatadirPath(self, coin) -> str:
-        datadir = self.coin_clients[coin]['datadir']
+        datadir = self.coin_clients[coin]["datadir"]
-        testnet_name = '' if self.chain == 'mainnet' else chainparams[coin][self.chain].get('name', self.chain)
+        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']
+        bindir = self.coin_clients[coin_type]["bindir"]
-        datadir = self.coin_clients[coin_type]['datadir']
+        datadir = self.coin_clients[coin_type]["datadir"]
-        command_cli = os.path.join(bindir, chainparams[coin_type]['name'] + '-cli' + ('.exe' if os.name == 'nt' else ''))
+        cli_bin: str = chainparams[coin_type].get(
-        args = [command_cli, ]
+            "cli_binname", chainparams[coin_type]["name"] + "-cli"
-        if self.chain != 'mainnet':
+        )
-            args.append('-' + self.chain)
+        command_cli = os.path.join(
-        args.append('-datadir=' + datadir)
+            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]))
+            raise ValueError("CLI error " + str(out[1]))
-        return out[0].decode('utf-8').strip()
+        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)
+            open_handler = SocksiPyHandler(
-        opener = urllib.request.build_opener(open_handler) if self.use_tor_proxy else urllib.request.build_opener()
+                socks.PROXY_TYPE_SOCKS5, self.tor_proxy_host, self.tor_proxy_port
-        opener.addheaders = [('User-agent', 'Mozilla/5.0')]
+            )
+        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):
@@ -105,6 +107,8 @@ class BidStates(IntEnum):
     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 "Never Accept"
-    return 'Unknown'
+    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 "Block"
-    return 'Unknown'
+    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 "Expired"
-    return 'Unknown'
+    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 "Expired"
-    return 'Unknown' + ' ' + str(state)
+    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 "In Chain"
-    return 'Unknown'
+    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 "Funded mock initiate Tx"
-    return 'Unknown'
+    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 "Offer send"
-    return 'Unknown'
+    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:
+            if "address" in o["scriptPubKey"] and o["scriptPubKey"]["address"] == p2sh:
-                return o['n']
+                return o["n"]
-            if p2sh in o['scriptPubKey']['addresses']:
+            if p2sh in o["scriptPubKey"]["addresses"]:
-                return o['n']
+                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']:
+            if scriptPubKey_hex == o["scriptPubKey"]["hex"]:
-                return o['n']
+                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'):
+def replaceAddrPrefix(addr, coin_type, chain_name, addr_type="pubkey_address"):
-    return encodeAddress(bytes((chainparams[coin_type][chain_name][addr_type],)) + decodeAddress(addr)[1:])
+    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.
 
@@ -30,419 +31,522 @@ class Coins(IntEnum):
     NAV = 14
     LTC_MWEB = 15
     # ZANO = 16
+    BCH = 17
+    DOGE = 18
 
 
 chainparams = {
     Coins.PART: {
-        'name': 'particl',
+        "name": "particl",
-        'ticker': 'PART',
+        "ticker": "PART",
-        'message_magic': 'Bitcoin Signed Message:\n',
+        "message_magic": "Bitcoin Signed Message:\n",
-        'blocks_target': 60 * 2,
+        "blocks_target": 60 * 2,
-        'decimal_places': 8,
+        "decimal_places": 8,
-        'mainnet': {
+        "mainnet": {
-            'rpcport': 51735,
+            "rpcport": 51735,
-            'pubkey_address': 0x38,
+            "pubkey_address": 0x38,
-            'script_address': 0x3c,
+            "script_address": 0x3C,
-            'key_prefix': 0x6c,
+            "key_prefix": 0x6C,
-            'stealth_key_prefix': 0x14,
+            "stealth_key_prefix": 0x14,
-            'hrp': 'pw',
+            "hrp": "pw",
-            'bip44': 44,
+            "bip44": 44,
-            'min_amount': 1000,
+            "min_amount": 100000,
-            'max_amount': 100000 * COIN,
+            "max_amount": 10000000 * COIN,
         },
-        'testnet': {
+        "testnet": {
-            'rpcport': 51935,
+            "rpcport": 51935,
-            'pubkey_address': 0x76,
+            "pubkey_address": 0x76,
-            'script_address': 0x7a,
+            "script_address": 0x7A,
-            'key_prefix': 0x2e,
+            "key_prefix": 0x2E,
-            'stealth_key_prefix': 0x15,
+            "stealth_key_prefix": 0x15,
-            'hrp': 'tpw',
+            "hrp": "tpw",
-            'bip44': 1,
+            "bip44": 1,
-            'min_amount': 1000,
+            "min_amount": 100000,
-            'max_amount': 100000 * COIN,
+            "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',
+        "name": "bitcoin",
-        'ticker': 'BTC',
+        "ticker": "BTC",
-        'message_magic': 'Bitcoin Signed Message:\n',
+        "message_magic": "Bitcoin Signed Message:\n",
-        'blocks_target': 60 * 10,
+        "blocks_target": 60 * 10,
-        'decimal_places': 8,
+        "decimal_places": 8,
-        'mainnet': {
+        "mainnet": {
-            'rpcport': 8332,
+            "rpcport": 8332,
-            'pubkey_address': 0,
+            "pubkey_address": 0,
-            'script_address': 5,
+            "script_address": 5,
-            'key_prefix': 128,
+            "key_prefix": 128,
-            'hrp': 'bc',
+            "hrp": "bc",
-            'bip44': 0,
+            "bip44": 0,
-            'min_amount': 1000,
+            "min_amount": 100000,
-            'max_amount': 100000 * COIN,
+            "max_amount": 10000000 * COIN,
+            "ext_public_key_prefix": 0x0488B21E,
+            "ext_secret_key_prefix": 0x0488ADE4,
         },
-        'testnet': {
+        "testnet": {
-            'rpcport': 18332,
+            "rpcport": 18332,
-            'pubkey_address': 111,
+            "pubkey_address": 111,
-            'script_address': 196,
+            "script_address": 196,
-            'key_prefix': 239,
+            "key_prefix": 239,
-            'hrp': 'tb',
+            "hrp": "tb",
-            'bip44': 1,
+            "bip44": 1,
-            'min_amount': 1000,
+            "min_amount": 100000,
-            'max_amount': 100000 * COIN,
+            "max_amount": 10000000 * COIN,
-            'name': 'testnet3',
+            "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',
+        "name": "litecoin",
-        'ticker': 'LTC',
+        "ticker": "LTC",
-        'message_magic': 'Litecoin Signed Message:\n',
+        "message_magic": "Litecoin Signed Message:\n",
-        'blocks_target': 60 * 1,
+        "blocks_target": 60 * 1,
-        'decimal_places': 8,
+        "decimal_places": 8,
-        'mainnet': {
+        "mainnet": {
-            'rpcport': 9332,
+            "rpcport": 9332,
-            'pubkey_address': 48,
+            "pubkey_address": 48,
-            'script_address': 5,
+            "script_address": 5,
-            'script_address2': 50,
+            "script_address2": 50,
-            'key_prefix': 176,
+            "key_prefix": 176,
-            'hrp': 'ltc',
+            "hrp": "ltc",
-            'bip44': 2,
+            "bip44": 2,
-            'min_amount': 1000,
+            "min_amount": 100000,
-            'max_amount': 100000 * COIN,
+            "max_amount": 10000000 * COIN,
         },
-        'testnet': {
+        "testnet": {
-            'rpcport': 19332,
+            "rpcport": 19332,
-            'pubkey_address': 111,
+            "pubkey_address": 111,
-            'script_address': 196,
+            "script_address": 196,
-            'script_address2': 58,
+            "script_address2": 58,
-            'key_prefix': 239,
+            "key_prefix": 239,
-            'hrp': 'tltc',
+            "hrp": "tltc",
-            'bip44': 1,
+            "bip44": 1,
-            'min_amount': 1000,
+            "min_amount": 100000,
-            'max_amount': 100000 * COIN,
+            "max_amount": 10000000 * COIN,
-            'name': 'testnet4',
+            "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',
+        "name": "decred",
-        'ticker': 'DCR',
+        "ticker": "DCR",
-        'message_magic': 'Decred Signed Message:\n',
+        "message_magic": "Decred Signed Message:\n",
-        'blocks_target': 60 * 5,
+        "blocks_target": 60 * 5,
-        'decimal_places': 8,
+        "decimal_places": 8,
-        'mainnet': {
+        "has_multiwallet": False,
-            'rpcport': 9109,
+        "mainnet": {
-            'pubkey_address': 0x073f,
+            "rpcport": 9109,
-            'script_address': 0x071a,
+            "pubkey_address": 0x073F,
-            'key_prefix': 0x22de,
+            "script_address": 0x071A,
-            'bip44': 42,
+            "key_prefix": 0x22DE,
-            'min_amount': 1000,
+            "bip44": 42,
-            'max_amount': 100000 * COIN,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
         },
-        'testnet': {
+        "testnet": {
-            'rpcport': 19109,
+            "rpcport": 19109,
-            'pubkey_address': 0x0f21,
+            "pubkey_address": 0x0F21,
-            'script_address': 0x0efc,
+            "script_address": 0x0EFC,
-            'key_prefix': 0x230e,
+            "key_prefix": 0x230E,
-            'bip44': 1,
+            "bip44": 1,
-            'min_amount': 1000,
+            "min_amount": 100000,
-            'max_amount': 100000 * COIN,
+            "max_amount": 10000000 * COIN,
-            'name': 'testnet3',
+            "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',
+        "name": "namecoin",
-        'ticker': 'NMC',
+        "ticker": "NMC",
-        'message_magic': 'Namecoin Signed Message:\n',
+        "message_magic": "Namecoin Signed Message:\n",
-        'blocks_target': 60 * 10,
+        "blocks_target": 60 * 10,
-        'decimal_places': 8,
+        "decimal_places": 8,
-        'mainnet': {
+        "mainnet": {
-            'rpcport': 8336,
+            "rpcport": 8336,
-            'pubkey_address': 52,
+            "pubkey_address": 52,
-            'script_address': 13,
+            "script_address": 13,
-            'hrp': 'nc',
+            "hrp": "nc",
-            'bip44': 7,
+            "bip44": 7,
-            'min_amount': 1000,
+            "min_amount": 100000,
-            'max_amount': 100000 * COIN,
+            "max_amount": 10000000 * COIN,
         },
-        'testnet': {
+        "testnet": {
-            'rpcport': 18336,
+            "rpcport": 18336,
-            'pubkey_address': 111,
+            "pubkey_address": 111,
-            'script_address': 196,
+            "script_address": 196,
-            'hrp': 'tn',
+            "hrp": "tn",
-            'bip44': 1,
+            "bip44": 1,
-            'min_amount': 1000,
+            "min_amount": 100000,
-            'max_amount': 100000 * COIN,
+            "max_amount": 10000000 * COIN,
-            'name': 'testnet3',
+            "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',
+        "name": "monero",
-        'ticker': 'XMR',
+        "ticker": "XMR",
-        'client': 'xmr',
+        "client": "xmr",
-        'decimal_places': 12,
+        "decimal_places": 12,
-        'mainnet': {
+        "mainnet": {
-            'rpcport': 18081,
+            "rpcport": 18081,
-            'walletrpcport': 18082,
+            "walletrpcport": 18082,
-            'min_amount': 100000,
+            "min_amount": 1000000000,
-            'max_amount': 10000 * XMR_COIN,
+            "max_amount": 10000000 * XMR_COIN,
-            'address_prefix': 18,
+            "address_prefix": 18,
         },
-        'testnet': {
+        "testnet": {
-            'rpcport': 28081,
+            "rpcport": 28081,
-            'walletrpcport': 28082,
+            "walletrpcport": 28082,
-            'min_amount': 100000,
+            "min_amount": 1000000000,
-            'max_amount': 10000 * XMR_COIN,
+            "max_amount": 10000000 * XMR_COIN,
-            'address_prefix': 18,
+            "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',
+        "name": "wownero",
-        'ticker': 'WOW',
+        "ticker": "WOW",
-        'client': 'wow',
+        "client": "wow",
-        'decimal_places': 11,
+        "decimal_places": 11,
-        'mainnet': {
+        "mainnet": {
-            'rpcport': 34568,
+            "rpcport": 34568,
-            'walletrpcport': 34572,  # todo
+            "walletrpcport": 34572,  # todo
-            'min_amount': 100000,
+            "min_amount": 100000000,
-            'max_amount': 10000 * WOW_COIN,
+            "max_amount": 10000000 * WOW_COIN,
-            'address_prefix': 4146,
+            "address_prefix": 4146,
         },
-        'testnet': {
+        "testnet": {
-            'rpcport': 44568,
+            "rpcport": 44568,
-            'walletrpcport': 44572,
+            "walletrpcport": 44572,
-            'min_amount': 100000,
+            "min_amount": 100000000,
-            'max_amount': 10000 * WOW_COIN,
+            "max_amount": 10000000 * WOW_COIN,
-            'address_prefix': 4146,
+            "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',
+        "name": "pivx",
-        'ticker': 'PIVX',
+        "ticker": "PIVX",
-        'message_magic': 'DarkNet Signed Message:\n',
+        "display_name": "PIVX",
-        'blocks_target': 60 * 1,
+        "message_magic": "DarkNet Signed Message:\n",
-        'decimal_places': 8,
+        "blocks_target": 60 * 1,
-        'has_cltv': True,
+        "decimal_places": 8,
-        'has_csv': False,
+        "has_cltv": True,
-        'has_segwit': False,
+        "has_csv": False,
-        'use_ticker_as_name': True,
+        "has_segwit": False,
-        'mainnet': {
+        "mainnet": {
-            'rpcport': 51473,
+            "rpcport": 51473,
-            'pubkey_address': 30,
+            "pubkey_address": 30,
-            'script_address': 13,
+            "script_address": 13,
-            'key_prefix': 212,
+            "key_prefix": 212,
-            'bip44': 119,
+            "bip44": 119,
-            'min_amount': 1000,
+            "min_amount": 100000,
-            'max_amount': 100000 * COIN,
+            "max_amount": 10000000 * COIN,
         },
-        'testnet': {
+        "testnet": {
-            'rpcport': 51475,
+            "rpcport": 51475,
-            'pubkey_address': 139,
+            "pubkey_address": 139,
-            'script_address': 19,
+            "script_address": 19,
-            'key_prefix': 239,
+            "key_prefix": 239,
-            'bip44': 1,
+            "bip44": 1,
-            'min_amount': 1000,
+            "min_amount": 100000,
-            'max_amount': 100000 * COIN,
+            "max_amount": 10000000 * COIN,
-            'name': 'testnet4',
+            "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',
+        "name": "dash",
-        'ticker': 'DASH',
+        "ticker": "DASH",
-        'message_magic': 'DarkCoin Signed Message:\n',
+        "message_magic": "DarkCoin Signed Message:\n",
-        'blocks_target': 60 * 2.5,
+        "blocks_target": 60 * 2.5,
-        'decimal_places': 8,
+        "decimal_places": 8,
-        'has_csv': True,
+        "has_csv": True,
-        'has_segwit': False,
+        "has_segwit": False,
-        'mainnet': {
+        "mainnet": {
-            'rpcport': 9998,
+            "rpcport": 9998,
-            'pubkey_address': 76,
+            "pubkey_address": 76,
-            'script_address': 16,
+            "script_address": 16,
-            'key_prefix': 204,
+            "key_prefix": 204,
-            'hrp': '',
+            "hrp": "",
-            'bip44': 5,
+            "bip44": 5,
-            'min_amount': 1000,
+            "min_amount": 100000,
-            'max_amount': 100000 * COIN,
+            "max_amount": 10000000 * COIN,
         },
-        'testnet': {
+        "testnet": {
-            'rpcport': 19998,
+            "rpcport": 19998,
-            'pubkey_address': 140,
+            "pubkey_address": 140,
-            'script_address': 19,
+            "script_address": 19,
-            'key_prefix': 239,
+            "key_prefix": 239,
-            'hrp': '',
+            "hrp": "",
-            'bip44': 1,
+            "bip44": 1,
-            'min_amount': 1000,
+            "min_amount": 100000,
-            'max_amount': 100000 * COIN,
+            "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',
+        "name": "firo",
-        'ticker': 'FIRO',
+        "ticker": "FIRO",
-        'message_magic': 'Zcoin Signed Message:\n',
+        "message_magic": "Zcoin Signed Message:\n",
-        'blocks_target': 60 * 10,
+        "blocks_target": 60 * 10,
-        'decimal_places': 8,
+        "decimal_places": 8,
-        'has_cltv': False,
+        "has_cltv": False,
-        'has_csv': False,
+        "has_csv": False,
-        'has_segwit': False,
+        "has_segwit": False,
-        'mainnet': {
+        "has_multiwallet": False,
-            'rpcport': 8888,
+        "mainnet": {
-            'pubkey_address': 82,
+            "rpcport": 8888,
-            'script_address': 7,
+            "pubkey_address": 82,
-            'key_prefix': 210,
+            "script_address": 7,
-            'hrp': '',
+            "key_prefix": 210,
-            'bip44': 136,
+            "hrp": "",
-            'min_amount': 1000,
+            "bip44": 136,
-            'max_amount': 100000 * COIN,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
         },
-        'testnet': {
+        "testnet": {
-            'rpcport': 18888,
+            "rpcport": 18888,
-            'pubkey_address': 65,
+            "pubkey_address": 65,
-            'script_address': 178,
+            "script_address": 178,
-            'key_prefix': 185,
+            "key_prefix": 185,
-            'hrp': '',
+            "hrp": "",
-            'bip44': 1,
+            "bip44": 1,
-            'min_amount': 1000,
+            "min_amount": 100000,
-            'max_amount': 100000 * COIN,
+            "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',
+        "name": "navcoin",
-        'ticker': 'NAV',
+        "ticker": "NAV",
-        'message_magic': 'Navcoin Signed Message:\n',
+        "message_magic": "Navcoin Signed Message:\n",
-        'blocks_target': 30,
+        "blocks_target": 30,
-        'decimal_places': 8,
+        "decimal_places": 8,
-        'has_csv': True,
+        "has_csv": True,
-        'has_segwit': True,
+        "has_segwit": True,
-        'mainnet': {
+        "has_multiwallet": False,
-            'rpcport': 44444,
+        "mainnet": {
-            'pubkey_address': 53,
+            "rpcport": 44444,
-            'script_address': 85,
+            "pubkey_address": 53,
-            'key_prefix': 150,
+            "script_address": 85,
-            'hrp': '',
+            "key_prefix": 150,
-            'bip44': 130,
+            "hrp": "",
-            'min_amount': 1000,
+            "bip44": 130,
-            'max_amount': 100000 * COIN,
+            "min_amount": 100000,
+            "max_amount": 10000000 * 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": 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,
         },
-        'testnet': {
-            'rpcport': 44445,
-            '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': 1000,
-            'max_amount': 100000 * 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'
+CONFIG_FILENAME = "basicswap.json"
-BASICSWAP_DATADIR = os.getenv('BASICSWAP_DATADIR', os.path.join('~', '.basicswap'))
+BASICSWAP_DATADIR = os.getenv("BASICSWAP_DATADIR", os.path.join("~", ".basicswap"))
 DEFAULT_ALLOW_CORS = False
-TEST_DATADIRS = os.path.expanduser(os.getenv('DATADIRS', '/tmp/basicswap'))
+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')))
+DEFAULT_TEST_BINDIR = os.path.expanduser(
+    os.getenv("DEFAULT_TEST_BINDIR", os.path.join("~", ".basicswap", "bin"))
+)
 
-bin_suffix = ('.exe' if os.name == 'nt' else '')
+bin_suffix = ".exe" if os.name == "nt" else ""
-PARTICL_BINDIR = os.path.expanduser(os.getenv('PARTICL_BINDIR', os.path.join(DEFAULT_TEST_BINDIR, 'particl')))
+PARTICL_BINDIR = os.path.expanduser(
-PARTICLD = os.getenv('PARTICLD', 'particld' + bin_suffix)
+    os.getenv("PARTICL_BINDIR", os.path.join(DEFAULT_TEST_BINDIR, "particl"))
-PARTICL_CLI = os.getenv('PARTICL_CLI', 'particl-cli' + bin_suffix)
+)
-PARTICL_TX = os.getenv('PARTICL_TX', 'particl-tx' + bin_suffix)
+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')))
+BITCOIN_BINDIR = os.path.expanduser(
-BITCOIND = os.getenv('BITCOIND', 'bitcoind' + bin_suffix)
+    os.getenv("BITCOIN_BINDIR", os.path.join(DEFAULT_TEST_BINDIR, "bitcoin"))
-BITCOIN_CLI = os.getenv('BITCOIN_CLI', 'bitcoin-cli' + bin_suffix)
+)
-BITCOIN_TX = os.getenv('BITCOIN_TX', 'bitcoin-tx' + bin_suffix)
+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')))
+LITECOIN_BINDIR = os.path.expanduser(
-LITECOIND = os.getenv('LITECOIND', 'litecoind' + bin_suffix)
+    os.getenv("LITECOIN_BINDIR", os.path.join(DEFAULT_TEST_BINDIR, "litecoin"))
-LITECOIN_CLI = os.getenv('LITECOIN_CLI', 'litecoin-cli' + bin_suffix)
+)
-LITECOIN_TX = os.getenv('LITECOIN_TX', 'litecoin-tx' + bin_suffix)
+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')))
+DOGECOIND = os.getenv("DOGECOIND", "dogecoind" + bin_suffix)
-NAMECOIND = os.getenv('NAMECOIND', 'namecoind' + bin_suffix)
+DOGECOIN_CLI = os.getenv("DOGECOIN_CLI", "dogecoin-cli" + bin_suffix)
-NAMECOIN_CLI = os.getenv('NAMECOIN_CLI', 'namecoin-cli' + bin_suffix)
+DOGECOIN_TX = os.getenv("DOGECOIN_TX", "dogecoin-tx" + 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')))
+NAMECOIN_BINDIR = os.path.expanduser(
-XMRD = os.getenv('XMRD', 'monerod' + bin_suffix)
+    os.getenv("NAMECOIN_BINDIR", os.path.join(DEFAULT_TEST_BINDIR, "namecoin"))
-XMR_WALLET_RPC = os.getenv('XMR_WALLET_RPC', 'monero-wallet-rpc' + bin_suffix)
+)
+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

@@ -1,27 +1,46 @@
 # -*- 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,
     )
 
 
@@ -29,99 +48,128 @@ 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)
+    self.log.info(
-    with self.mxDB:
+        "Upgrading database records from version %d to %d.",
+        data_version,
+        CURRENT_DB_DATA_VERSION,
+    )
+    cursor = self.openDB()
     try:
-            session = scoped_session(self.session_factory)
-
         now = int(time.time())
 
         if data_version < 1:
-                session.add(AutomationStrategy(
+            self.add(
+                AutomationStrategy(
                     active_ind=1,
-                    label='Accept All',
+                    label="Accept All",
                     type_ind=Concepts.OFFER,
-                    data=json.dumps({'exact_rate_only': True,
+                    data=json.dumps(
-                                     'max_concurrent_bids': 5}).encode('utf-8'),
+                        {"exact_rate_only": True, "max_concurrent_bids": 5}
+                    ).encode("utf-8"),
                     only_known_identities=False,
-                    created_at=now))
+                    created_at=now,
-                session.add(AutomationStrategy(
+                ),
+                cursor,
+            )
+            self.add(
+                AutomationStrategy(
                     active_ind=1,
-                    label='Accept Known',
+                    label="Accept Known",
                     type_ind=Concepts.OFFER,
-                    data=json.dumps({'exact_rate_only': True,
+                    data=json.dumps(
-                                     'max_concurrent_bids': 5}).encode('utf-8'),
+                        {"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',
+                    note="Accept bids from identities with previously successful swaps only",
-                    created_at=now))
+                    created_at=now,
+                ),
+                cursor,
+            )
 
             for state in BidStates:
-                    session.add(BidState(
+                addBidState(self, state, now, cursor)
-                        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))
 
         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):
+            for state in (
-                    session.add(BidState(
+                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))
+                        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)
-                    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)})
+                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):
+            for state in (
-                    session.add(BidState(
+                BidStates.BID_REQUEST_SENT,
-                        active_ind=1,
+                BidStates.BID_REQUEST_ACCEPTED,
-                        state_id=int(state),
+            ):
-                        in_progress=isActiveBidState(state),
+                addBidState(self, state, now, cursor)
-                        in_error=isErrorBidState(state),
+
-                        swap_failed=isFailingBidState(state),
+        if data_version > 0 and data_version < 5:
-                        swap_ended=isFinalBidState(state),
+            for state in (
-                        label=strBidState(state),
+                BidStates.BID_EXPIRED,
-                        created_at=now))
+                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, session)
+        self.setIntKV("db_data_version", self.db_data_version, cursor)
-            session.commit()
+        self.commitDB()
-            self.log.info('Upgraded database records to version {}'.format(self.db_data_version))
+        self.log.info(
+            "Upgraded database records to version {}".format(self.db_data_version)
+        )
     finally:
-            session.close()
+        self.closeDB(cursor, commit=False)
-            session.remove()
 
 
 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')
+                cursor.execute("ALTER TABLE bids ADD COLUMN security_token BLOB")
-            session.execute('ALTER TABLE offers ADD COLUMN security_token BLOB')
+                cursor.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')
+                cursor.execute("ALTER TABLE transactions ADD COLUMN block_hash BLOB")
-            session.execute('ALTER TABLE transactions ADD COLUMN block_height INTEGER')
+                cursor.execute(
-            session.execute('ALTER TABLE transactions ADD COLUMN block_time INTEGER')
+                    "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:
-            session.execute('''
+                cursor.execute(
+                    """
                     CREATE TABLE wallets (
                         record_id INTEGER NOT NULL,
                         coin_id INTEGER,
@@ -129,30 +177,42 @@ def upgradeDatabase(self, db_version):
                         wallet_data VARCHAR,
                         balance_type INTEGER,
                         created_at BIGINT,
-                    PRIMARY KEY (record_id))''')
+                        PRIMARY KEY (record_id))"""
+                )
                 db_version += 1
             elif current_version == 9:
-            session.execute('ALTER TABLE wallets ADD COLUMN wallet_data VARCHAR')
+                cursor.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')
+                cursor.execute(
-            session.execute('ALTER TABLE smsgaddresses ADD COLUMN created_at INTEGER')
+                    "ALTER TABLE smsgaddresses ADD COLUMN active_ind INTEGER"
-            session.execute('ALTER TABLE smsgaddresses ADD COLUMN note VARCHAR')
+                )
-            session.execute('ALTER TABLE smsgaddresses ADD COLUMN pubkey VARCHAR')
+                cursor.execute(
-            session.execute('UPDATE smsgaddresses SET active_ind = 1, created_at = 1')
+                    "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')
+                cursor.execute("ALTER TABLE offers ADD COLUMN addr_to VARCHAR")
-            session.execute(f'UPDATE offers SET addr_to = "{self.network_addr}"')
+                cursor.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')
+                cursor.execute(
-            session.execute('ALTER TABLE bids ADD COLUMN chain_b_height_start INTEGER')
+                    "ALTER TABLE bids ADD COLUMN chain_a_height_start INTEGER"
-            session.execute('ALTER TABLE bids ADD COLUMN protocol_version INTEGER')
+                )
-            session.execute('ALTER TABLE offers ADD COLUMN protocol_version INTEGER')
+                cursor.execute(
-            session.execute('ALTER TABLE transactions ADD COLUMN tx_data BLOB')
+                    "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:
-            session.execute('''
+                cursor.execute(
+                    """
                     CREATE TABLE knownidentities (
                         record_id INTEGER NOT NULL,
                         address VARCHAR,
@@ -167,15 +227,19 @@ def upgradeDatabase(self, db_version):
                         note VARCHAR,
                         updated_at BIGINT,
                         created_at BIGINT,
-                    PRIMARY KEY (record_id))''')
+                        PRIMARY KEY (record_id))"""
-            session.execute('ALTER TABLE bids ADD COLUMN reject_code INTEGER')
+                )
-            session.execute('ALTER TABLE bids ADD COLUMN rate INTEGER')
+                cursor.execute("ALTER TABLE bids ADD COLUMN reject_code INTEGER")
-            session.execute('ALTER TABLE offers ADD COLUMN amount_negotiable INTEGER')
+                cursor.execute("ALTER TABLE bids ADD COLUMN rate INTEGER")
-            session.execute('ALTER TABLE offers ADD COLUMN rate_negotiable 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
-            session.execute('''
+                cursor.execute(
+                    """
                     CREATE TABLE automationstrategies (
                         record_id INTEGER NOT NULL,
                         active_ind INTEGER,
@@ -187,9 +251,11 @@ def upgradeDatabase(self, db_version):
 
                         note VARCHAR,
                         created_at BIGINT,
-                    PRIMARY KEY (record_id))''')
+                        PRIMARY KEY (record_id))"""
+                )
 
-            session.execute('''
+                cursor.execute(
+                    """
                     CREATE TABLE automationlinks (
                         record_id INTEGER NOT NULL,
                         active_ind INTEGER,
@@ -204,9 +270,11 @@ def upgradeDatabase(self, db_version):
 
                         note VARCHAR,
                         created_at BIGINT,
-                    PRIMARY KEY (record_id))''')
+                        PRIMARY KEY (record_id))"""
+                )
 
-            session.execute('''
+                cursor.execute(
+                    """
                     CREATE TABLE history (
                         record_id INTEGER NOT NULL,
                         concept_type INTEGER,
@@ -215,9 +283,11 @@ def upgradeDatabase(self, db_version):
 
                         note VARCHAR,
                         created_at BIGINT,
-                    PRIMARY KEY (record_id))''')
+                        PRIMARY KEY (record_id))"""
+                )
 
-            session.execute('''
+                cursor.execute(
+                    """
                     CREATE TABLE bidstates (
                         record_id INTEGER NOT NULL,
                         active_ind INTEGER,
@@ -227,31 +297,47 @@ def upgradeDatabase(self, db_version):
 
                         note VARCHAR,
                         created_at BIGINT,
-                    PRIMARY KEY (record_id))''')
+                        PRIMARY KEY (record_id))"""
+                )
 
-            session.execute('ALTER TABLE wallets ADD COLUMN active_ind INTEGER')
+                cursor.execute("ALTER TABLE wallets ADD COLUMN active_ind INTEGER")
-            session.execute('ALTER TABLE knownidentities ADD COLUMN active_ind INTEGER')
+                cursor.execute(
-            session.execute('ALTER TABLE eventqueue RENAME TO actions')
+                    "ALTER TABLE knownidentities ADD COLUMN active_ind INTEGER"
-            session.execute('ALTER TABLE actions RENAME COLUMN event_id TO action_id')
+                )
-            session.execute('ALTER TABLE actions RENAME COLUMN event_type TO action_type')
+                cursor.execute("ALTER TABLE eventqueue RENAME TO actions")
-            session.execute('ALTER TABLE actions RENAME COLUMN event_data TO action_data')
+                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
-            session.execute('ALTER TABLE xmr_swaps ADD COLUMN coin_a_lock_release_msg_id BLOB')
+                cursor.execute(
-            session.execute('ALTER TABLE xmr_swaps RENAME COLUMN coin_a_lock_refund_spend_tx_msg_id TO coin_a_lock_spend_tx_msg_id')
+                    "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
-            session.execute('''
+                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))''')
+                        PRIMARY KEY (record_id))"""
+                )
             elif current_version == 16:
                 db_version += 1
-            session.execute('''
+                cursor.execute(
+                    """
                     CREATE TABLE prefunded_transactions (
                         record_id INTEGER NOT NULL,
                         active_ind INTEGER,
@@ -261,25 +347,31 @@ def upgradeDatabase(self, db_version):
                         tx_type INTEGER,
                         tx_data BLOB,
                         used_by BLOB,
-                    PRIMARY KEY (record_id))''')
+                        PRIMARY KEY (record_id))"""
+                )
             elif current_version == 17:
                 db_version += 1
-            session.execute('ALTER TABLE knownidentities ADD COLUMN automation_override INTEGER')
+                cursor.execute(
-            session.execute('ALTER TABLE knownidentities ADD COLUMN visibility_override INTEGER')
+                    "ALTER TABLE knownidentities ADD COLUMN automation_override INTEGER"
-            session.execute('ALTER TABLE knownidentities ADD COLUMN data BLOB')
+                )
-            session.execute('UPDATE knownidentities SET active_ind = 1')
+                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
-            session.execute('ALTER TABLE xmr_split_data ADD COLUMN addr_from STRING')
+                cursor.execute("ALTER TABLE xmr_split_data ADD COLUMN addr_from STRING")
-            session.execute('ALTER TABLE xmr_split_data ADD COLUMN addr_to STRING')
+                cursor.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')
+                cursor.execute("ALTER TABLE bidstates ADD COLUMN in_error INTEGER")
-            session.execute('ALTER TABLE bidstates ADD COLUMN swap_failed INTEGER')
+                cursor.execute("ALTER TABLE bidstates ADD COLUMN swap_failed INTEGER")
-            session.execute('ALTER TABLE bidstates ADD COLUMN swap_ended INTEGER')
+                cursor.execute("ALTER TABLE bidstates ADD COLUMN swap_ended INTEGER")
             elif current_version == 20:
                 db_version += 1
-            session.execute('''
+                cursor.execute(
+                    """
                     CREATE TABLE message_links (
                         record_id INTEGER NOT NULL,
                         active_ind INTEGER,
@@ -291,18 +383,20 @@ def upgradeDatabase(self, db_version):
                         msg_type INTEGER,
                         msg_sequence INTEGER,
                         msg_id BLOB,
-                    PRIMARY KEY (record_id))''')
+                        PRIMARY KEY (record_id))"""
-            session.execute('ALTER TABLE offers ADD COLUMN bid_reversed INTEGER')
+                )
+                cursor.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')
+                cursor.execute("ALTER TABLE offers ADD COLUMN proof_utxos BLOB")
-            session.execute('ALTER TABLE bids ADD COLUMN proof_utxos BLOB')
+                cursor.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')
+                cursor.execute("ALTER TABLE offers ADD COLUMN amount_to INTEGER")
             elif current_version == 23:
                 db_version += 1
-            session.execute('''
+                cursor.execute(
+                    """
                     CREATE TABLE checkedblocks (
                         record_id INTEGER NOT NULL,
                         created_at BIGINT,
@@ -310,17 +404,24 @@ def upgradeDatabase(self, db_version):
                         block_height INTEGER,
                         block_hash BLOB,
                         block_time INTEGER,
-                    PRIMARY KEY (record_id))''')
+                        PRIMARY KEY (record_id))"""
-            session.execute('ALTER TABLE bids ADD COLUMN pkhash_buyer_to BLOB')
+                )
+                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, session)
+                self.setIntKV("db_version", db_version, cursor)
-            session.commit()
+                self.commitDB()
-            session.close()
+                self.log.info("Upgraded database to version {}".format(self.db_version))
-            session.remove()
-            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')
+        active_bids_insert: str = self.activeBidsQueryStr("", "b2")
-        query_str = f'''
+        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]})
+                cursor.execute(
-                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]})
+                    "DELETE FROM transactions WHERE transactions.bid_id = :bid_id",
-                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]})
+                    {"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]})
+                cursor.execute(
-                session.execute('DELETE FROM xmr_swaps WHERE xmr_swaps.bid_id = :bid_id', {'bid_id': bid_row[0]})
+                    "DELETE FROM eventlog WHERE eventlog.linked_type = :type_ind AND eventlog.linked_id = :bid_id",
-                session.execute('DELETE FROM actions WHERE actions.linked_id = :bid_id', {'bid_id': bid_row[0]})
+                    {"type_ind": int(Concepts.BID), "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]})
+                cursor.execute(
-                session.execute('DELETE FROM bids WHERE bids.bid_id = :bid_id', {'bid_id': bid_row[0]})
+                    "DELETE FROM automationlinks WHERE automationlinks.linked_type = :type_ind AND automationlinks.linked_id = :bid_id",
-                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]})
+                    {"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]})
+            cursor.execute(
-            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]})
+                "DELETE FROM eventlog WHERE eventlog.linked_type = :type_ind AND eventlog.linked_id = :offer_id",
-            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]})
+                {"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]})
+            cursor.execute(
-            session.execute('DELETE FROM sentoffers WHERE sentoffers.offer_id = :offer_id', {'offer_id': offer_row[0]})
+                "DELETE FROM automationlinks WHERE automationlinks.linked_type = :type_ind AND automationlinks.linked_id = :offer_id",
-            session.execute('DELETE FROM actions WHERE actions.linked_id = :offer_id', {'offer_id': offer_row[0]})
+                {"type_ind": int(Concepts.OFFER), "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 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)
+    y += (x & 1) << 255
-    return y.to_bytes(32, byteorder='little')
+    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
+        h255[31] &= 0x7F  # Clear top bit
-        y = int.from_bytes(h255, byteorder='little')
+        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({
+            rv.append(
-                'txid': utxo['txid'],
+                {
-                'index': utxo['vout'],
+                    "txid": utxo["txid"],
-                'height': utxo['height'],
+                    "index": utxo["vout"],
-                'n_conf': utxo['confirmations'],
+                    "height": utxo["height"],
-                'value': utxo['satoshis'],
+                    "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))
+        data = json.loads(self.readURL(self.base_url + "/address/state/" + address))
-        return data['data']['balance']
+        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["data"]["list"][0]
-        tx_data = json.loads(self.readURL(self.base_url + '/transaction/{}'.format(tx['txId'])))['data']
+        tx_data = json.loads(
+            self.readURL(self.base_url + "/transaction/{}".format(tx["txId"]))
+        )["data"]
 
-        for i, vout in tx_data['vOut'].items():
+        for i, vout in tx_data["vOut"].items():
-            if vout['address'] == address:
+            if vout["address"] == address:
-                return [{
+                return [
-                    'txid': tx_data['txId'],
+                    {
-                    'index': int(i),
+                        "txid": tx_data["txId"],
-                    'height': tx_data['blockHeight'],
+                        "index": int(i),
-                    'n_conf': tx_data['confirmations'],
+                        "height": tx_data["blockHeight"],
-                    'value': vout['value'],
+                        "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 = Environment(loader=PackageLoader("basicswap", "templates"))
-env.filters['formatts'] = format_timestamp
+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']):
+        for i, e in enumerate(swap_client.coin_clients[c]["explorers"]):
-            explorers.append(('{}_{}'.format(int(c), i), getCoinName(c) + ' - ' + extractDomain(e.base_url)))
+            explorers.append(
+                (
+                    "{}_{}".format(int(c), i),
+                    getCoinName(c) + " - " + extractDomain(e.base_url),
+                )
+            )
     return explorers
 
 
 def listExplorerActions(swap_client):
-    actions = [('height', 'Chain Height'),
+    actions = [
-               ('block', 'Get Block'),
+        ("height", "Chain Height"),
-               ('tx', 'Get Transaction'),
+        ("block", "Get Block"),
-               ('balance', 'Address Balance'),
+        ("tx", "Get Transaction"),
-               ('unspent', 'List Unspent')]
+        ("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
+                tor_state = get_tor_established_state(swap_client)
-            except Exception:
+                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
+            args_dict["messages"] = messages_with_ids
-        if 'err_messages' in args_dict:
+        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
+        self.server.session_tokens["shutdown"] = shutdown_token
-        args_dict['shutdown_token'] = shutdown_token
+        args_dict["shutdown_token"] = shutdown_token
 
         encrypted, locked = swap_client.getLockedState()
-        args_dict['encrypted'] = encrypted
+        args_dict["encrypted"] = encrypted
-        args_dict['locked'] = locked
+        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')
+        self.putHeaders(status_code, "text/html")
-        return bytes(template.render(
+        return bytes(
+            template.render(
                 title=self.server.title,
                 h2=self.server.title,
                 form_id=self.generate_form_id(),
                 **args_dict,
-        ), 'UTF-8')
+            ),
+            "UTF-8",
+        )
 
     def render_simple_template(self, template, args_dict):
-        swap_client = self.server.swap_client
+        return bytes(
-        return bytes(template.render(
+            template.render(
                 title=self.server.title,
                 **args_dict,
-        ), 'UTF-8')
+            ),
+            "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, {
+        return self.render_template(
-            'title_str': 'BasicSwap Info',
+            template,
-            'message_str': info_str,
+            {
-            'summary': summary,
+                "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, {
+        return self.render_template(
-            'title_str': 'BasicSwap Error',
+            template,
-            'message_str': error_str,
+            {
-            'summary': summary,
+                "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')
+            explorer = form_data[b"explorer"][0].decode("utf-8")
-            action = form_data[b'action'][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('_')
+                c, e = explorer.split("_")
-                exp = swap_client.coin_clients[Coins(int(c))]['explorers'][int(e)]
+                exp = swap_client.coin_clients[Coins(int(c))]["explorers"][int(e)]
-                if action == 'height':
+                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')
+        template = env.get_template("explorers.html")
-        return self.render_template(template, {
+        return self.render_template(
-            'messages': messages,
+            template,
-            'err_messages': err_messages,
+            {
-            'explorers': listAvailableExplorers(swap_client),
+                "messages": messages,
-            'explorer': explorer,
+                "err_messages": err_messages,
-            'actions': listExplorerActions(swap_client),
+                "explorers": listAvailableExplorers(swap_client),
-            'action': action,
+                "explorer": explorer,
-            'result': result,
+                "actions": listExplorerActions(swap_client),
-            'summary': summary,
+                "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"
-        call_type = 'cli'
+        type_map = ""
-        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')
+                call_type = get_data_entry_or(form_data, "call_type", "cli")
-                type_map = get_data_entry_or(form_data, 'type_map', '')
+                type_map = get_data_entry_or(form_data, "type_map", "")
                 try:
-                    coin_type_selected = get_data_entry(form_data, 'coin_type')
+                    coin_type_selected = get_data_entry(form_data, "coin_type")
-                    coin_type_split = coin_type_selected.split(',')
+                    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:
@@ -326,44 +355,50 @@ class HttpHandler(BaseHTTPRequestHandler):
                                 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)) + ",0", "Monero"))
-            coins.append((str(int(Coins.XMR)) + ',1', 'Monero JSON'))
+            coins.append((str(int(Coins.XMR)) + ",1", "Monero JSON"))
-            coins.append((str(int(Coins.XMR)) + ',2', 'Monero Wallet'))
+            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)) + ",0", "Wownero"))
-            coins.append((str(int(Coins.WOW)) + ',1', 'Wownero JSON'))
+            coins.append((str(int(Coins.WOW)) + ",1", "Wownero JSON"))
-            coins.append((str(int(Coins.WOW)) + ',2', 'Wownero Wallet'))
+            coins.append((str(int(Coins.WOW)) + ",2", "Wownero Wallet"))
 
-        return self.render_template(template, {
+        return self.render_template(
-            'messages': messages,
+            template,
-            'err_messages': err_messages,
+            {
-            'coins': coins,
+                "messages": messages,
-            'coin_type': coin_type_selected,
+                "err_messages": err_messages,
-            'call_type': call_type,
+                "coins": coins,
-            'result': result,
+                "coin_type": coin_type_selected,
-            'messages': messages,
+                "call_type": call_type,
-            'summary': summary,
+                "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')
+        template = env.get_template("active.html")
-        return self.render_template(template, {
+        return self.render_template(
-            'refresh': 30,
+            template,
-            'active_swaps': [(s[0].hex(), s[1], strBidState(s[2]), strTxState(s[3]), strTxState(s[4])) for s in active_swaps],
+            {
-            'summary': summary,
+                "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')
+        template = env.get_template("watched.html")
-        return self.render_template(template, {
+        return self.render_template(
-            'refresh': 30,
+            template,
-            '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],
+                "refresh": 30,
-            'summary': summary,
+                "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()
+        self.send_response(302)
-        template = env.get_template('index.html')
+        self.send_header("Location", "/offers")
-        return self.render_template(template, {
+        self.end_headers()
-            'refresh': 30,
+        return b""
-            'summary': summary,
-            'use_tor_proxy': swap_client.use_tor_proxy
-        })
 
     def page_404(self, url_split):
         swap_client = self.server.swap_client
         summary = swap_client.getSummary()
-        template = env.get_template('404.html')
+        template = env.get_template("404.html")
-        return self.render_template(template, {
+        return self.render_template(
-            'summary': summary,
+            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("Access-Control-Allow-Origin", "*")
-        self.send_header('Content-Type', content_type)
+        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('/')
+        url_split = parsed.path.split("/")
-        if post_string == '' and len(parsed.query) > 0:
+        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')
+                static_path = os.path.join(os.path.dirname(__file__), "static")
-                if len(url_split) > 3 and url_split[2] == 'sequence_diagrams':
+                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:
+                    with open(
-                        self.putHeaders(status_code, 'image/svg+xml')
+                        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',
+                        ".svg": "image/svg+xml",
-                        '.png': 'image/png',
+                        ".png": "image/png",
-                        '.jpg': 'image/jpeg',
+                        ".jpg": "image/jpeg",
-                        '.gif': 'image/gif',
+                        ".gif": "image/gif",
-                        '.ico': 'image/x-icon',
+                        ".ico": "image/x-icon",
-                    }.get(extension, '')
+                    }.get(extension, "")
-                    if mime_type == '':
+                    if mime_type == "":
-                        raise ValueError('Unknown file type ' + filename)
+                        raise ValueError("Unknown file type " + filename)
-                    with open(os.path.join(static_path, 'images', filename), 'rb') as fp:
+                    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:
+                    with open(os.path.join(static_path, "css", filename), "rb") as fp:
-                        self.putHeaders(status_code, 'text/css; charset=utf-8')
+                        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:
+                    with open(os.path.join(static_path, "js", filename), "rb") as fp:
-                        self.putHeaders(status_code, 'application/javascript')
+                        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':
+                if page == "bids":
-                    return page_bids(self, url_split, post_string, received=True)
+                    return page_bids(self, url_split, post_string)
-                if page == 'sentbids':
+                if page == "availablebids":
-                    return page_bids(self, url_split, post_string, sent=True)
-                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-Origin", "*")
-            self.send_header('Access-Control-Allow-Headers', '*')
+            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 (
+from coincurve.dleag import verify_secp256k1_point
-    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):
+        if "display_name" in coin_chainparams:
-            return coin_chainparams['ticker']
+            return coin_chainparams["display_name"]
-        return coin_chainparams['name'].capitalize()
+        return coin_chainparams["name"].capitalize()
 
     def ticker(self) -> str:
-        ticker = chainparams[self.coin_type()]['ticker']
+        ticker = chainparams[self.coin_type()]["ticker"]
-        if self._network == 'testnet':
+        if self._network == "testnet":
-            ticker = 't' + ticker
+            ticker = "t" + ticker
-        elif self._network == 'regtest':
+        elif self._network == "regtest":
-            ticker = 'rt' + ticker
+            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 [
+        return [b"", bytes(72), bytes(72), bytes(len(script))]
-            b'',
-            bytes(72),
-            bytes(72),
-            bytes(len(script))
-        ]
 
     def getScriptLockRefundSpendTxDummyWitness(self, script: bytes):
-        return [
+        return [b"", bytes(72), bytes(72), bytes((1,)), bytes(len(script))]
-            b'',
-            bytes(72),
-            bytes(72),
-            bytes((1,)),
-            bytes(len(script))
-        ]
 
     def getScriptLockRefundSwipeTxDummyWitness(self, script: bytes):
-        return [
+        return [bytes(72), b"", bytes(len(script))]
-            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:
+        self._wallet_v20_compatible = (
-        return Mnemonic('english').to_mnemonic(key)
+            False
-
+            if not swap_client
-    def initialiseWallet(self, key: bytes):
+            else swap_client.getChainClientSettings(self.coin_type()).get(
-        words = self.entropyToMnemonic(key)
+                "wallet_v20_compatible", False
-
+            )
-        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)
 
     def decodeAddress(self, address: str) -> bytes:
         return decodeAddress(address)[1:]
 
-    def checkExpectedSeed(self, key_hash: str):
+    def getWalletSeedID(self) -> str:
-        try:
+        hdseed: str = self.rpc_wallet("dumphdinfo")["hdseed"]
-            rv = self.rpc_wallet('dumphdinfo')
+        return self.getSeedHash(bytes.fromhex(hdseed)).hex()
-            entropy = Mnemonic('english').to_entropy(rv['mnemonic'].split(' '))
+
+    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()
+            have_expected_seed: bool = expect_seedid == entropy_hash
+        else:
+            have_expected_seed: bool = expect_seedid == self.getWalletSeedID()
         self._have_checked_seed = True
-            return entropy_hash == key_hash
+        return have_expected_seed
-        except Exception as e:
-            self._log.warning('checkExpectedSeed failed: {}'.format(str(e)))
-        return False
 
     def withdrawCoin(self, value, addr_to, subfee):
-        params = [addr_to, value, '', '', subfee, False, False, self._conf_target]
+        params = [addr_to, value, "", "", subfee, False, False, self._conf_target]
-        return self.rpc_wallet('sendtoaddress', params)
+        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])
+            rv = self.rpc_wallet("gettransaction", [txid_hex])
-        except Exception as ex:
+        except Exception as e:  # noqa: F841
-            self._log.debug('findTxnByHash getrawtransaction failed: {}'.format(txid_hex))
+            self._log.debug(
+                "findTxnByHash getrawtransaction failed: {}".format(txid_hex)
+            )
             return None
-        if 'confirmations' in rv and rv['confirmations'] >= self.blocks_confirmed:
+        if "confirmations" in rv and rv["confirmations"] >= self.blocks_confirmed:
-            block_height = self.getBlockHeader(rv['blockhash'])['height']
+            block_height = self.getBlockHeader(rv["blockhash"])["height"]
-            return {'txid': txid_hex, 'amount': 0, 'height': block_height}
+            return {"txid": txid_hex, "amount": 0, "height": block_height}
 
         return None
 
     def unlockWallet(self, password: str):
         super().unlockWallet(password)
+        if self._wallet_v20_compatible:
             # Store password for initialiseWallet
             self._wallet_passphrase = password
         if not self._have_checked_seed:
+            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',
+    __slots__ = (
-                 'value_in', 'block_height', 'block_index', 'signature_script')  # Witness
+        "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')
+        version = int.from_bytes(data[:4], "little")
-        self.version = version & 0xffff
+        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)
 
@@ -112,9 +118,9 @@ 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
@@ -122,9 +128,9 @@ class CTransaction:
                 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:
@@ -137,15 +143,15 @@ 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
@@ -154,34 +160,36 @@ class CTransaction:
 
     def serialize(self, ser_type=TxSerializeType.Full) -> bytes:
         data = bytes()
-        version = (self.version & 0xffff) | (ser_type << 16)
+        version = (self.version & 0xFFFF) | (ser_type << 16)
-        data += version.to_bytes(4, 'little')
+        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.hash.to_bytes(32, "little")
-                data += txi.prevout.n.to_bytes(4, 'little')
+                data += txi.prevout.n.to_bytes(4, "little")
-                data += txi.prevout.tree.to_bytes(1, 'little')
+                data += txi.prevout.tree.to_bytes(1, "little")
-                data += txi.sequence.to_bytes(4, '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.value.to_bytes(8, "little")
-                data += txo.version.to_bytes(2, '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.locktime.to_bytes(4, "little")
-            data += self.expiry.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
+                tc_value_in = (
-                data += tc_value_in.to_bytes(8, 'little')
+                    txi.value_in & 0xFFFFFFFFFFFFFFFF
-                data += txi.block_height.to_bytes(4, 'little')
+                )  # Convert negative values
-                data += txi.block_index.to_bytes(4, 'little')
+                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:
+    if "error" in r and r["error"] is not None:
-        raise ValueError('RPC error ' + str(r['error']))
+        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_PUSHDATA1 = 0x4C
-OP_PUSHDATA2 = 0x4d
+OP_PUSHDATA2 = 0x4D
-OP_PUSHDATA4 = 0x4e
+OP_PUSHDATA4 = 0x4E
-OP_HASH160 = 0xa9
+OP_HASH160 = 0xA9
-OP_CHECKSIG = 0xac
+OP_CHECKSIG = 0xAC
-OP_CHECKMULTISIG = 0xae
+OP_CHECKMULTISIG = 0xAE
-OP_CHECKSEQUENCEVERIFY = 0xb2
+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')
+        data_array += len_data.to_bytes(1, "little")
-    elif len_data <= 0xff:
+    elif len_data <= 0xFF:
         data_array += bytes((OP_PUSHDATA1, len_data))
-    elif len_data <= 0xffff:
+    elif len_data <= 0xFFFF:
-        data_array += bytes((OP_PUSHDATA2,)) + len_data.to_bytes(2, 'little')
+        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':
+    if os.name == "nt":
-        str_args = ' '.join(args)
+        str_args = " ".join(args)
-        p = subprocess.Popen(str_args, shell=True, stdin=subprocess.PIPE, stdout=pipe_w, stderr=pipe_w)
+        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:
+        elif "Use the existing configured private passphrase" in buf:
-            response = b'y\n'
+            response = b"y\n"
-        elif 'Do you want to add an additional layer of encryption' in buf:
+        elif "Do you want to add an additional layer of encryption" in buf:
-            response = b'n\n'
+            response = b"n\n"
-        elif 'Do you have an existing wallet seed' in buf:
+        elif "Do you have an existing wallet seed" in buf:
-            response = b'y\n'
+            response = b"y\n"
-        elif 'Enter existing wallet seed' in buf:
+        elif "Enter existing wallet seed" in buf:
-            response = (hex_seed + '\n').encode('utf-8')
+            response = (hex_seed + "\n").encode("utf-8")
-        elif 'Seed input successful' in buf:
+        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):
+        if "wallet_name" in coin_settings:
-        return 'zcoin'
+            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'):
+    def getNewAddress(self, use_segwit, label="swap_receive"):
-        return self.rpc('getnewaddress', [label])
+        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])
+        addr_info = self.rpc("validateaddress", [address])
-        return addr_info['iswatchonly']
+        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"]
-        return addr_info['ismine'] or addr_info['iswatchonly']
+        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])
+            self.rpc("importaddress", [lock_tx_dest.hex(), "bid lock", False, True])
-            addr_info = self.rpc('validateaddress', [address])
 
         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.importWatchOnlyAddress(dest_address, "bid")
-            self._log.info('Imported watch-only addr: {}'.format(dest_address))
+            self._log.info(
-            self._log.info('Rescanning {} chain from height: {}'.format(self.coin_name(), rescan_from))
+                "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:
+                if self.make_int(tx["amount"]) == bid_amount:
-                    txid = bytes.fromhex(tx['txid'])
+                    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:
+            if "blockhash" in tx:
-                block_header = self.rpc('getblockheader', [tx['blockhash']])
+                block_header = self.rpc("getblockheader", [tx["blockhash"]])
-                block_height = block_header['height']
+                block_height = block_header["height"]
 
             rv = {
-                'depth': 0 if 'confirmations' not in tx else tx['confirmations'],
+                "depth": 0 if "confirmations" not in tx else tx["confirmations"],
-                'height': block_height}
+                "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']])
+            tx_obj = self.rpc("decoderawtransaction", [tx["hex"]])
-            rv['index'] = find_vout_for_address_from_txobj(tx_obj, dest_address)
+            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()])
+        rv = self.rpc("signrawtransaction", [tx.hex()])
-        return bytes.fromhex(rv['hex'])
+        return bytes.fromhex(rv["hex"])
 
-    def createRawFundedTransaction(self, addr_to: str, amount: int, sub_fee: bool = False, lock_unspents: bool = True) -> str:
+    def createRawFundedTransaction(
-        txn = self.rpc('createrawtransaction', [[], {addr_to: self.format_amount(amount)}])
+        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,
+            "lockUnspents": lock_unspents,
-            'feeRate': fee_rate,
+            "feeRate": fee_rate,
         }
         if sub_fee:
-            options['subtractFeeFromOutputs'] = [0,]
+            options["subtractFeeFromOutputs"] = [
-        return self.rpc('fundrawtransaction', [txn, options])['hex']
+                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]
+        params = [addr_to, value, "", "", subfee]
-        return self.rpc('sendtoaddress', params)
+        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, ]])
+        rv = self.rpc(
-        return bytes.fromhex(rv['hex'])
+            "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])
+            rv = self.rpc("gettransaction", [txid_hex])
-        except Exception as ex:
+        except Exception as e:  # noqa: F841
-            self._log.debug('findTxnByHash getrawtransaction failed: {}'.format(txid_hex))
+            self._log.debug(
+                "findTxnByHash getrawtransaction failed: {}".format(txid_hex)
+            )
             return None
-        if 'confirmations' in rv and rv['confirmations'] >= self.blocks_confirmed:
+        if "confirmations" in rv and rv["confirmations"] >= self.blocks_confirmed:
-            block_height = self.getBlockHeader(rv['blockhash'])['height']
+            block_height = self.getBlockHeader(rv["blockhash"])["height"]
-            return {'txid': txid_hex, 'amount': 0, 'height': block_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:
+            if u["address"] not in unspents_by_addr:
-                unspents_by_addr[u['address']] = {'total': 0, 'utxos': []}
+                unspents_by_addr[u["address"]] = {"total": 0, "utxos": []}
-            utxo_amount: int = self.make_int(u['amount'], r=1)
+            utxo_amount: int = self.make_int(u["amount"], r=1)
-            unspents_by_addr[u['address']]['total'] += utxo_amount
+            unspents_by_addr[u["address"]]["total"] += utxo_amount
-            unspents_by_addr[u['address']]['utxos'].append((utxo_amount, u['txid'], u['vout']))
+            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)
+        passed = self.verifyMessage(
-        ensure(passed is True, 'Proof of funds signature invalid')
+            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]])
+            txout = self.rpc("gettxout", [outpoint[0].hex(), outpoint[1]])
-            sum_value += self.make_int(txout['value'])
+            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(
-                        self._log.info('rescanblockchain hack invalidateblock {}'.format(block_hash))
+                            "Found output to addr: {} in tx {} in block {}".format(
-                        self.rpc('invalidateblock', [block_hash])
+                                addr_find, txid.hex(), block_hash
-                        self.rpc('reconsiderblock', [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 = self.rpc("getblock", [block_hash, False])
-        block_header = self.rpc('getblockheader', [block_hash])
+        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])
+            tx_dec = self.rpc("decoderawtransaction", [tx_hex])
-            if 'hex' not in tx_dec:
+            if "hex" not in tx_dec:
-                tx_dec['hex'] = tx_hex
+                tx_dec["hex"] = tx_hex
 
             tx_rv.append(tx_dec)
 
         block_rv = {
-            'hash': block_hash,
+            "hash": block_hash,
-            'previousblockhash': block_header['previousblockhash'],
+            "previousblockhash": block_header["previousblockhash"],
-            'tx': tx_rv,
+            "tx": tx_rv,
-            'confirmations': block_header['confirmations'],
+            "confirmations": block_header["confirmations"],
-            'height': block_header['height'],
+            "height": block_header["height"],
-            'time': block_header['time'],
+            "time": block_header["time"],
-            'version': block_header['version'],
+            "version": block_header["version"],
-            'merkleroot': block_header['merkleroot'],
+            "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 = 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)
+        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:
+    def getNewMwebAddress(self, use_segwit=False, label="swap_receive") -> str:
-        return self.rpc_wallet_mweb('getnewaddress', [label, 'mweb'])
+        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]
+        params = [addr_to, value, "", "", subfee, True, self._conf_target]
-        if type_from == 'mweb':
+        if type_from == "mweb":
-            return self.rpc_wallet_mweb('sendtoaddress', params)
+            return self.rpc_wallet_mweb("sendtoaddress", params)
-        return self.rpc_wallet('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')
+        address = self.getNewAddress(self._use_segwit, "create_utxo")
-        return self.withdrawCoin(self.format_amount(value_sats), 'plain', address, False), address
+        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")
-        mweb_info = self.rpc_wallet_mweb('getwalletinfo')
+        rv["mweb_balance"] = mweb_info["balance"]
-        rv['mweb_balance'] = mweb_info['balance']
+        rv["mweb_unconfirmed"] = mweb_info["unconfirmed_balance"]
-        rv['mweb_unconfirmed'] = mweb_info['unconfirmed_balance']
+        rv["mweb_immature"] = mweb_info["immature_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:
+            if "desc" in u:
-                desc = u['desc']
+                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 = 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)
+        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["name"].capitalize() + " MWEB"
-            return coin_chainparams['ticker'] + ' MWEB'
-        return coin_chainparams['name'].capitalize() + ' MWEB'
 
     def ticker(self) -> str:
-        ticker = chainparams[Coins.LTC]['ticker']
+        ticker = chainparams[Coins.LTC]["ticker"]
-        if self._network == 'testnet':
+        if self._network == "testnet":
-            ticker = 't' + ticker
+            ticker = "t" + ticker
-        elif self._network == 'regtest':
+        elif self._network == "regtest":
-            ticker = 'rt' + ticker
+            ticker = "rt" + ticker
-        return ticker + '_MWEB'
+        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':
+        if self.getWalletSeedID() == "Not found":
-            self._sc.initialiseWallet(self.coin_type())
+            self._sc.initialiseWallet(self.interface_type())
 
             # Workaround to trigger mweb_spk_man->LoadMWEBKeychain()
-            self.rpc('unloadwallet', ['mweb'])
+            self.rpc("unloadwallet", ["mweb"])
-            self.rpc('loadwallet', ['mweb'])
+            self.rpc("loadwallet", ["mweb"])
             if password is not None:
-                self.rpc_wallet('walletpassphrase', [password, 100000000])
+                self.rpc_wallet("walletpassphrase", [password, 100000000])
-            self.rpc_wallet('keypoolrefill')
+            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):
+    def getLockTxHeight(
-        self._log.debug('[rm] scantxoutset start')  # scantxoutset is slow
+        self,
-        ro = self.rpc('scantxoutset', ['start', ['addr({})'.format(dest_address)]])  # TODO: Use combo(address) where possible
+        txid,
-        self._log.debug('[rm] scantxoutset end')
+        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']:
+        for o in ro["unspents"]:
-            if txid and o['txid'] != txid.hex():
+            if txid and o["txid"] != txid.hex():
                 continue
             # Verify amount
-            if self.make_int(o['amount']) != int(bid_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'])
+                self._log.warning(
+                    "Found output to lock tx address of incorrect value: %s, %s",
+                    str(o["amount"]),
+                    o["txid"],
+                )
                 continue
 
-            rv = {
+            rv = {"depth": 0, "height": o["height"]}
-                'depth': 0,
+            if o["height"] > 0:
-                'height': o['height']}
+                rv["depth"] = ro["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 (
+from basicswap.contrib.test_framework.messages import CTxOut
-    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.blocks_confirmed = coin_settings["blocks_confirmed"]
-        self.setConfTarget(coin_settings['conf_target'])
+        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 (
+from .contrib.pivx_test_framework.messages import CBlock, ToHex, FromHex, CTransaction
-    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()])
+        rv = self.rpc("signrawtransaction", [tx.hex()])
-        return bytes.fromhex(rv['hex'])
+        return bytes.fromhex(rv["hex"])
 
-    def createRawFundedTransaction(self, addr_to: str, amount: int, sub_fee: bool = False, lock_unspents: bool = True) -> str:
+    def createRawFundedTransaction(
-        txn = self.rpc('createrawtransaction', [[], {addr_to: self.format_amount(amount)}])
+        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,
+            "lockUnspents": lock_unspents,
-            'feeRate': fee_rate,
+            "feeRate": fee_rate,
         }
         if sub_fee:
-            options['subtractFeeFromOutputs'] = [0,]
+            options["subtractFeeFromOutputs"] = [
-        return self.rpc('fundrawtransaction', [txn, options])['hex']
+                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 = self.rpc("getblock", [block_hash, False])
-        block_header = self.rpc('getblockheader', [block_hash])
+        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,
+            "hash": block_hash,
-            'previousblockhash': block_header['previousblockhash'],
+            "previousblockhash": block_header["previousblockhash"],
-            'tx': tx_rv,
+            "tx": tx_rv,
-            'confirmations': block_header['confirmations'],
+            "confirmations": block_header["confirmations"],
-            'height': block_header['height'],
+            "height": block_header["height"],
-            'time': block_header['time'],
+            "time": block_header["time"],
-            'version': block_header['version'],
+            "version": block_header["version"],
-            'merkleroot': block_header['merkleroot'],
+            "merkleroot": block_header["merkleroot"],
         }
 
         return block_rv
 
     def withdrawCoin(self, value, addr_to, subfee):
-        params = [addr_to, value, '', '', subfee]
+        params = [addr_to, value, "", "", subfee]
-        return self.rpc('sendtoaddress', params)
+        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, ]])
+        rv = self.rpc(
-        return bytes.fromhex(rv['hex'])
+            "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])
+            rv = self.rpc("gettransaction", [txid_hex])
-        except Exception as ex:
+        except Exception as e:  # noqa: F841
-            self._log.debug('findTxnByHash getrawtransaction failed: {}'.format(txid_hex))
+            self._log.debug(
+                "findTxnByHash getrawtransaction failed: {}".format(txid_hex)
+            )
             return None
-        if 'confirmations' in rv and rv['confirmations'] >= self.blocks_confirmed:
+        if "confirmations" in rv and rv["confirmations"] >= self.blocks_confirmed:
-            block_height = self.getBlockHeader(rv['blockhash'])['height']
+            block_height = self.getBlockHeader(rv["blockhash"])["height"]
-            return {'txid': txid_hex, 'amount': 0, 'height': block_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 (
+from basicswap.util import i2b, b2i, b2h, dumpj, ensure, TemporaryError
-    i2b, b2i, b2h,
+from basicswap.util.network import is_private_ip_address
-    dumpj,
+from basicswap.rpc_xmr import make_xmr_rpc_func, make_xmr_rpc2_func
-    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.blocks_confirmed = coin_settings["blocks_confirmed"]
-        self._restore_height = coin_settings.get('restore_height', 0)
+        self._restore_height = coin_settings.get("restore_height", 0)
-        self.setFeePriority(coin_settings.get('fee_priority', 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', '') != '':
+        if coin_settings.get("rpcuser", "") != "":
-            daemon_login = (coin_settings.get('rpcuser', ''), coin_settings.get('rpcpassword', ''))
+            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 = ''
+                    log_str: str = ""
-                    have_cc_tor_opt = 'use_tor' in chain_client_settings
+                    have_cc_tor_opt = "use_tor" in chain_client_settings
-                    if have_cc_tor_opt and chain_client_settings['use_tor'] is False:
+                    if have_cc_tor_opt and chain_client_settings["use_tor"] is False:
-                        log_str = ' bypassing proxy (use_tor false for XMR)'
+                        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}'
+                        log_str = f" through proxy at {proxy_host}"
-                    self._log.info(f'Connecting to remote {self.coin_name()} daemon at {rpchost}{log_str}.')
+                    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._rpctimeout = coin_settings.get("rpctimeout", 60)
-        self._walletrpctimeout = coin_settings.get('walletrpctimeout', 120)
+        self._walletrpctimeout = coin_settings.get("walletrpctimeout", 120)
-        self._walletrpctimeoutlong = coin_settings.get('walletrpctimeoutlong', 600)
+        # 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.rpc = make_xmr_rpc_func(
-        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
+            coin_settings["rpcport"],
-        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 ')
+            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
+            params["password"] = self._wallet_password
-        rv = self.rpc_wallet('generate_from_keys', params)
+        rv = self.rpc_wallet("generate_from_keys", params)
-        self._log.info('generate_from_keys %s', dumpj(rv))
+        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("open_wallet", params)
-            self.rpc_wallet('close_wallet')
+            # TODO Remove `refresh` after upstream fix to refresh on open_wallet
-        except Exception:
+            self.rpc_wallet("refresh")
-            pass
+        except Exception as e:
-        self.rpc_wallet('open_wallet', params)
+            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,
+                "filename": self._wallet_filename,
-                'address': address_b58,
+                "address": address_b58,
-                'viewkey': b2h(key_view[::-1]),
+                "viewkey": b2h(key_view[::-1]),
-                'spendkey': b2h(key_spend[::-1]),
+                "spendkey": b2h(key_spend[::-1]),
-                'restore_height': self._restore_height,
+                "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'],
+            "blocks": get_height["height"],
-            'verificationprogress': 0.0,
+            "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:
+            if get_height["untrusted"] is True:
-                rv['bootstrapping'] = True
+                rv["bootstrapping"] = True
-                get_info = self.rpc2('get_info', timeout=self._rpctimeout)
+                get_info = self.rpc2("get_info", timeout=self._rpctimeout)
-                if 'height_without_bootstrap' in get_info:
+                if "height_without_bootstrap" in get_info:
-                    rv['blocks'] = get_info['height_without_bootstrap']
+                    rv["blocks"] = get_info["height_without_bootstrap"]
 
-                rv['known_block_count'] = get_info['height']
+                rv["known_block_count"] = get_info["height"]
-                if rv['known_block_count'] > rv['blocks']:
+                if rv["known_block_count"] > rv["blocks"]:
-                    rv['verificationprogress'] = rv['blocks'] / rv['known_block_count']
+                    rv["verificationprogress"] = rv["blocks"] / rv["known_block_count"]
             else:
-                rv['known_block_count'] = self.rpc('get_block_count', timeout=self._rpctimeout)['count']
+                rv["known_block_count"] = self.rpc(
-                rv['verificationprogress'] = rv['blocks'] / rv['known_block_count']
+                    "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}')
+            self._log.warning(f"{self.ticker_str()} get_block_count failed with: {e}")
-            rv['verificationprogress'] = 0.0
+            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):
+                if "Failed to open wallet" in str(e):
-                    rv = {'encrypted': True, 'locked': True, 'balance': 0, 'unconfirmed_balance': 0}
+                    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["wallet_blocks"] = self.rpc_wallet("get_height")["height"]
-            rv['unconfirmed_balance'] = self.format_amount(balance_info['balance'] - balance_info['unlocked_balance'])
+            rv["balance"] = self.format_amount(balance_info["unlocked_balance"])
-            rv['encrypted'] = False if self._wallet_password is None else True
+            rv["unconfirmed_balance"] = self.format_amount(
-            rv['locked'] = False
+                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']
+            new_address = self.rpc_wallet("create_address", {"account_index": 0})[
-            self.rpc_wallet('store')
+                "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
+                params["priority"] = self._fee_priority
-            rv = self.rpc_wallet('transfer', params)
+            rv = self.rpc_wallet("transfer", params)
-            self._log.info('publishBLockTx %s to address_b58 %s', rv['tx_hash'], shared_addr)
+            self._log.info(
-            tx_hash = bytes.fromhex(rv['tx_hash'])
+                "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,
+                "restore_height": restore_height,
-                'filename': address_b58,
+                "filename": address_b58,
-                'address': address_b58,
+                "address": address_b58,
-                'viewkey': b2h(kbv_le),
+                "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'}
+            params = {"transfer_type": "available"}
-            transfers = self.rpc_wallet('incoming_transfers', params)
+            transfers = self.rpc_wallet("incoming_transfers", params)
             rv = None
-            if 'transfers' in transfers:
+            if "transfers" in transfers:
-                for transfer in transfers['transfers']:
+                for transfer in transfers["transfers"]:
                     # unlocked <- wallet->is_transfer_unlocked() checks unlock_time and CRYPTONOTE_DEFAULT_TX_SPENDABLE_AGE
-                    if not transfer['unlocked']:
+                    if not transfer["unlocked"]:
-                        full_tx = self.rpc_wallet('get_transfer_by_txid', {'txid': transfer['tx_hash']})
+                        full_tx = self.rpc_wallet(
-                        unlock_time = full_tx['transfer']['unlock_time']
+                            "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:
+                    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']}
+                        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']
+                current_height = self.rpc2("get_height", timeout=self._rpctimeout)[
-                self._log.info(f'findTxnByHash {self.ticker_str()} current_height {current_height}\nhash: {txid}')
+                    "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))
+                self._log.info("rpc failed %s", str(e))
-                current_height = None  # If the transfer is available it will be deep enough
+                current_height = (
+                    None  # If the transfer is available it will be deep enough
+                )
 
-            params = {'transfer_type': 'available'}
+            params = {"transfer_type": "available"}
-            rv = self.rpc_wallet('incoming_transfers', params)
+            rv = self.rpc_wallet("incoming_transfers", params)
-            if 'transfers' in rv:
+            if "transfers" in rv:
-                for transfer in rv['transfers']:
+                for transfer in rv["transfers"]:
-                    if transfer['tx_hash'] == txid \
+                    if transfer["tx_hash"] == txid and (
-                       and (current_height is None or current_height - transfer['block_height'] > self.blocks_confirmed):
+                        current_height is None
-                        return {'txid': transfer['tx_hash'], 'amount': transfer['amount'], 'height': transfer['block_height']}
+                        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,
+                "filename": wallet_filename,
-                'address': address_b58,
+                "address": address_b58,
-                'viewkey': b2h(kbv[::-1]),
+                "viewkey": b2h(kbv[::-1]),
-                'spendkey': b2h(kbs[::-1]),
+                "spendkey": b2h(kbs[::-1]),
-                'restore_height': restore_height,
+                "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")
-            rv = self.rpc_wallet('get_balance')
+            if rv["balance"] < cb_swap_value:
-            if rv['balance'] < cb_swap_value:
+                self._log.warning("Balance is too low, checking for existing spend.")
-                self._log.warning('Balance is too low, checking for existing spend.')
+                txns = self.rpc_wallet("get_transfers", {"out": True})
-                txns = self.rpc_wallet('get_transfers', {'out': True})
+                if "out" in txns:
-                if 'out' in txns:
+                    txns = txns["out"]
-                    txns = txns['out']
                     if len(txns) > 0:
-                        txid = txns[0]['txid']
+                        txid = txns[0]["txid"]
-                        self._log.warning(f'spendBLockTx detected spending tx: {txid}.')
+                        self._log.warning(f"spendBLockTx detected spending tx: {txid}.")
-                        if txns[0]['address'] == address_b58:
+
+                        # 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:
+            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))
+                self._log.warning(
-                cb_swap_value = rv['balance']
+                    "Spending actual balance {}, not swap value {}.".format(
-            if rv['unlocked_balance'] < cb_swap_value:
+                        rv["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')
+                )
+                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)
+            rv = self.rpc_wallet("sweep_all", params)
-            self._log.debug('sweep_all {}'.format(json.dumps(rv)))
 
-            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')
+                balance = self.rpc_wallet("get_balance")
-                if balance['balance'] != balance['unlocked_balance']:
+                if balance["balance"] != balance["unlocked_balance"]:
-                    raise ValueError('Balance must be fully confirmed to use sweep all.')
+                    raise ValueError(
-                self._log.info('{} {} sweep_all.'.format(self.ticker_str(), 'estimate fee' if estimate_fee else 'withdraw'))
+                        "Balance must be fully confirmed to use sweep all."
-                self._log.debug('{} balance: {}'.format(self.ticker_str(), balance['balance']))
+                    )
-                params = {'address': addr_to, 'do_not_relay': estimate_fee}
+                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
+                    params["priority"] = self._fee_priority
-                rv = self.rpc_wallet('sweep_all', params)
+                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 {
-                return rv['tx_hash_list'][0]
+                        "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
+                params["priority"] = self._fee_priority
-            rv = self.rpc_wallet('transfer', params)
+            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 {
-            return rv['tx_hash']
+                    "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,
+                            "restore_height": restore_height,
-                            'filename': address_b58,
+                            "filename": address_b58,
-                            'address': address_b58,
+                            "address": address_b58,
-                            'viewkey': b2h(kbv_le),
+                            "viewkey": b2h(kbv_le),
                         }
                         self.createWallet(params)
                         self.openWallet(address_b58)
 
-                self.rpc_wallet('refresh')
+                rv = self.rpc_wallet(
-
+                    "get_transfers",
-                rv = self.rpc_wallet('get_transfers', {'in': True, 'out': True, 'pending': True, 'failed': True})
+                    {"in": True, "out": True, "pending": True, "failed": True},
-                rv['filename'] = wallet_file
+                )
+                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")
-            balance_info = self.rpc_wallet('get_balance')
+            return balance_info["unlocked_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)
@@ -103,9 +105,9 @@ class NonProtobufClass():
                 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),
+        1: ("protocol_version", 0, 0),
-        2: ('coin_from', 0, 0),
+        2: ("coin_from", 0, 0),
-        3: ('coin_to', 0, 0),
+        3: ("coin_to", 0, 0),
-        4: ('amount_from', 0, 0),
+        4: ("amount_from", 0, 0),
-        5: ('amount_to', 0, 0),
+        5: ("amount_to", 0, 0),
-        6: ('min_bid_amount', 0, 0),
+        6: ("min_bid_amount", 0, 0),
-        7: ('time_valid', 0, 0),
+        7: ("time_valid", 0, 0),
-        8: ('lock_type', 0, 0),
+        8: ("lock_type", 0, 0),
-        9: ('lock_value', 0, 0),
+        9: ("lock_value", 0, 0),
-        10: ('swap_type', 0, 0),
+        10: ("swap_type", 0, 0),
-        11: ('proof_address', 2, 1),
+        11: ("proof_address", 2, 1),
-        12: ('proof_signature', 2, 1),
+        12: ("proof_signature", 2, 1),
-        13: ('pkhash_seller', 2, 0),
+        13: ("pkhash_seller", 2, 0),
-        14: ('secret_hash', 2, 0),
+        14: ("secret_hash", 2, 0),
-        15: ('fee_rate_from', 0, 0),
+        15: ("fee_rate_from", 0, 0),
-        16: ('fee_rate_to', 0, 0),
+        16: ("fee_rate_to", 0, 0),
-        17: ('amount_negotiable', 0, 2),
+        17: ("amount_negotiable", 0, 2),
-        18: ('rate_negotiable', 0, 2),
+        18: ("rate_negotiable", 0, 2),
-        19: ('proof_utxos', 2, 0),
+        19: ("proof_utxos", 2, 0),
     }
 
 
 class BidMessage(NonProtobufClass):
     _map = {
-        1: ('protocol_version', 0, 0),
+        1: ("protocol_version", 0, 0),
-        2: ('offer_msg_id', 2, 0),
+        2: ("offer_msg_id", 2, 0),
-        3: ('time_valid', 0, 0),
+        3: ("time_valid", 0, 0),
-        4: ('amount', 0, 0),
+        4: ("amount", 0, 0),
-        5: ('amount_to', 0, 0),
+        5: ("amount_to", 0, 0),
-        6: ('pkhash_buyer', 2, 0),
+        6: ("pkhash_buyer", 2, 0),
-        7: ('proof_address', 2, 1),
+        7: ("proof_address", 2, 1),
-        8: ('proof_signature', 2, 1),
+        8: ("proof_signature", 2, 1),
-        9: ('proof_utxos', 2, 0),
+        9: ("proof_utxos", 2, 0),
-        10: ('pkhash_buyer_to', 2, 0),
+        10: ("pkhash_buyer_to", 2, 0),
     }
 
 
 class BidAcceptMessage(NonProtobufClass):
     # Step 3, seller -> buyer
     _map = {
-        1: ('bid_msg_id', 2, 0),
+        1: ("bid_msg_id", 2, 0),
-        2: ('initiate_txid', 2, 0),
+        2: ("initiate_txid", 2, 0),
-        3: ('contract_script', 2, 0),
+        3: ("contract_script", 2, 0),
-        4: ('pkhash_seller', 2, 0),
+        4: ("pkhash_seller", 2, 0),
     }
 
 
 class OfferRevokeMessage(NonProtobufClass):
     _map = {
-        1: ('offer_msg_id', 2, 0),
+        1: ("offer_msg_id", 2, 0),
-        2: ('signature', 2, 0),
+        2: ("signature", 2, 0),
     }
 
 
 class BidRejectMessage(NonProtobufClass):
     _map = {
-        1: ('bid_msg_id', 2, 0),
+        1: ("bid_msg_id", 2, 0),
-        2: ('reject_code', 0, 0),
+        2: ("reject_code", 0, 0),
     }
 
 
 class XmrBidMessage(NonProtobufClass):
     # MSG1L, F -> L
     _map = {
-        1: ('protocol_version', 0, 0),
+        1: ("protocol_version", 0, 0),
-        2: ('offer_msg_id', 2, 0),
+        2: ("offer_msg_id", 2, 0),
-        3: ('time_valid', 0, 0),
+        3: ("time_valid", 0, 0),
-        4: ('amount', 0, 0),
+        4: ("amount", 0, 0),
-        5: ('amount_to', 0, 0),
+        5: ("amount_to", 0, 0),
-        6: ('pkaf', 2, 0),
+        6: ("pkaf", 2, 0),
-        7: ('kbvf', 2, 0),
+        7: ("kbvf", 2, 0),
-        8: ('kbsf_dleag', 2, 0),
+        8: ("kbsf_dleag", 2, 0),
-        9: ('dest_af', 2, 0),
+        9: ("dest_af", 2, 0),
     }
 
 
 class XmrSplitMessage(NonProtobufClass):
     _map = {
-        1: ('msg_id', 2, 0),
+        1: ("msg_id", 2, 0),
-        2: ('msg_type', 0, 0),
+        2: ("msg_type", 0, 0),
-        3: ('sequence', 0, 0),
+        3: ("sequence", 0, 0),
-        4: ('dleag', 2, 0),
+        4: ("dleag", 2, 0),
     }
 
 
 class XmrBidAcceptMessage(NonProtobufClass):
     _map = {
-        1: ('bid_msg_id', 2, 0),
+        1: ("bid_msg_id", 2, 0),
-        2: ('pkal', 2, 0),
+        2: ("pkal", 2, 0),
-        3: ('kbvl', 2, 0),
+        3: ("kbvl", 2, 0),
-        4: ('kbsl_dleag', 2, 0),
+        4: ("kbsl_dleag", 2, 0),
-
         # MSG2F
-        5: ('a_lock_tx', 2, 0),
+        5: ("a_lock_tx", 2, 0),
-        6: ('a_lock_tx_script', 2, 0),
+        6: ("a_lock_tx_script", 2, 0),
-        7: ('a_lock_refund_tx', 2, 0),
+        7: ("a_lock_refund_tx", 2, 0),
-        8: ('a_lock_refund_tx_script', 2, 0),
+        8: ("a_lock_refund_tx_script", 2, 0),
-        9: ('a_lock_refund_spend_tx', 2, 0),
+        9: ("a_lock_refund_spend_tx", 2, 0),
-        10: ('al_lock_refund_tx_sig', 2, 0),
+        10: ("al_lock_refund_tx_sig", 2, 0),
     }
 
 
 class XmrBidLockTxSigsMessage(NonProtobufClass):
     # MSG3L
     _map = {
-        1: ('bid_msg_id', 2, 0),
+        1: ("bid_msg_id", 2, 0),
-        2: ('af_lock_refund_spend_tx_esig', 2, 0),
+        2: ("af_lock_refund_spend_tx_esig", 2, 0),
-        3: ('af_lock_refund_tx_sig', 2, 0),
+        3: ("af_lock_refund_tx_sig", 2, 0),
     }
 
 
 class XmrBidLockSpendTxMessage(NonProtobufClass):
     # MSG4F
     _map = {
-        1: ('bid_msg_id', 2, 0),
+        1: ("bid_msg_id", 2, 0),
-        2: ('a_lock_spend_tx', 2, 0),
+        2: ("a_lock_spend_tx", 2, 0),
-        3: ('kal_sig', 2, 0),
+        3: ("kal_sig", 2, 0),
     }
 
 
 class XmrBidLockReleaseMessage(NonProtobufClass):
     # MSG5F
     _map = {
-        1: ('bid_msg_id', 2, 0),
+        1: ("bid_msg_id", 2, 0),
-        2: ('al_lock_spend_tx_esig', 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),
+        1: ("protocol_version", 0, 0),
-        2: ('offer_msg_id', 2, 0),
+        2: ("offer_msg_id", 2, 0),
-        3: ('time_valid', 0, 0),
+        3: ("time_valid", 0, 0),
-        4: ('amount_from', 0, 0),
+        4: ("amount_from", 0, 0),
-        5: ('amount_to', 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),
+        1: ("bid_msg_id", 2, 0),
-        2: ('pkaf', 2, 0),
+        2: ("pkaf", 2, 0),
-        3: ('kbvf', 2, 0),
+        3: ("kbvf", 2, 0),
-        4: ('kbsf_dleag', 2, 0),
+        4: ("kbsf_dleag", 2, 0),
-        5: ('dest_af', 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
+START_TOKEN = 0xABCD
-MSG_START_TOKEN = START_TOKEN.to_bytes(2, 'big')
+MSG_START_TOKEN = START_TOKEN.to_bytes(2, "big")
 
 MSG_MAX_SIZE = 0x200000  # 2MB
 
@@ -63,35 +64,37 @@ 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') + \
+        return (
-            self._timestamp.to_bytes(8, 'big') + \
+            int(NetMessageTypes.HANDSHAKE).to_bytes(2, "big")
-            self._ephem_pk
+            + 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])
         o += 33
@@ -101,11 +104,31 @@ class MsgHandshake:
 
 class Peer:
     __slots__ = (
-        '_mx', '_pubkey', '_address', '_socket', '_version', '_ready', '_incoming',
+        "_mx",
-        '_connected_at', '_last_received_at', '_bytes_sent', '_bytes_received',
+        "_pubkey",
-        '_receiving_length', '_receiving_buffer', '_recv_messages', '_misbehaving_score',
+        "_address",
-        '_ke', '_km', '_dir', '_sent_nonce', '_recv_nonce', '_last_handshake_at',
+        "_socket",
-        '_ping_nonce', '_last_ping_at', '_last_ping_rtt')
+        "_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)
@@ -161,11 +186,11 @@ def listen_thread(cls):
                                 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))
+                                    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',
+        "_p2p_host",
-        '_sc', '_peers', '_max_connections', '_running', '_network_thread', '_msg_thread',
+        "_p2p_port",
-        '_mx', '_socket', '_read_sockets', '_write_sockets', '_error_sockets', '_csprng', '_seen_ephem_keys')
+        "_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:]
@@ -414,7 +474,7 @@ 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]
@@ -426,14 +486,18 @@ class Network:
         mac = msg_mv[-16:]
         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]
             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()
 
@@ -449,26 +513,26 @@ class Network:
         mac = msg_mv[-16:]
         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
@@ -541,32 +606,32 @@ 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')
+                        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]
                     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]
                     o += nc
@@ -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(),
+                    "pubkey": "Unknown" if not peer._pubkey else peer._pubkey.hex(),
-                    'address': '{}:{}'.format(peer._address[0], peer._address[1]),
+                    "address": "{}:{}".format(peer._address[0], peer._address[1]),
-                    'bytessent': peer._bytes_sent,
+                    "bytessent": peer._bytes_sent,
-                    'bytesrecv': peer._bytes_received,
+                    "bytesrecv": peer._bytes_received,
-                    'ready': peer._ready,
+                    "ready": peer._ready,
-                    'incoming': peer._incoming,
+                    "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-----
+
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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([
+        return bytearray([OpCodes.OP_RETURN, OpCodes.OP_1])
-            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

@@ -26,52 +26,66 @@ 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:
+def buildContractScript(
-    script = bytearray([
+    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
+                0x01,
+                0x20,  # 32
                 OpCodes.OP_EQUALVERIFY,
                 op_hash,
-        0x20]) \
+                0x20,
-        + secret_hash \
+            ]
-        + bytearray([
+        )
-            OpCodes.OP_EQUALVERIFY,
+        + secret_hash
-            OpCodes.OP_DUP,
+        + bytearray([OpCodes.OP_EQUALVERIFY, OpCodes.OP_DUP, OpCodes.OP_HASH160, 0x14])
-            OpCodes.OP_HASH160,
+        + pkh_redeem
-            0x14]) \
+        + bytearray(
-        + pkh_redeem \
+            [
-        + bytearray([OpCodes.OP_ELSE, ]) \
+                OpCodes.OP_ELSE,
-        + SerialiseNum(lock_val) \
+            ]
-        + bytearray([
+        )
-            op_lock,
+        + SerialiseNum(lock_val)
-            OpCodes.OP_DROP,
+        + bytearray(
-            OpCodes.OP_DUP,
+            [op_lock, OpCodes.OP_DROP, OpCodes.OP_DUP, OpCodes.OP_HASH160, 0x14]
-            OpCodes.OP_HASH160,
+        )
-            0x14]) \
+        + pkh_refund
-        + pkh_refund \
+        + bytearray([OpCodes.OP_ENDIF, OpCodes.OP_EQUALVERIFY, OpCodes.OP_CHECKSIG])
-        + 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):
+def verifyContractScript(
-    if script[0] != OpCodes.OP_IF or \
+    script, op_lock=OpCodes.OP_CHECKSEQUENCEVERIFY, op_hash=OpCodes.OP_SHA256
-       script[1] != OpCodes.OP_SIZE or \
+):
-       script[2] != 0x01 or script[3] != 0x20 or \
+    if (
-       script[4] != OpCodes.OP_EQUALVERIFY or \
+        script[0] != OpCodes.OP_IF
-       script[5] != op_hash or \
+        or script[1] != OpCodes.OP_SIZE
-       script[6] != 0x20:
+        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]
     o += 32
-    if script[o] != OpCodes.OP_EQUALVERIFY or \
+    if (
-       script[o + 1] != OpCodes.OP_DUP or \
+        script[o] != OpCodes.OP_EQUALVERIFY
-       script[o + 2] != OpCodes.OP_HASH160 or \
+        or script[o + 1] != OpCodes.OP_DUP
-       script[o + 3] != 0x14:
+        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]
@@ -81,18 +95,22 @@ def verifyContractScript(script, op_lock=OpCodes.OP_CHECKSEQUENCEVERIFY, op_hash
     o += 1
     lock_val, nb = decodeScriptNum(script, o)
     o += nb
-    if script[o] != op_lock or \
+    if (
-       script[o + 1] != OpCodes.OP_DROP or \
+        script[o] != op_lock
-       script[o + 2] != OpCodes.OP_DUP or \
+        or script[o + 1] != OpCodes.OP_DROP
-       script[o + 3] != OpCodes.OP_HASH160 or \
+        or script[o + 2] != OpCodes.OP_DUP
-       script[o + 4] != 0x14:
+        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]
     o += 20
-    if script[o] != OpCodes.OP_ENDIF or \
+    if (
-       script[o + 1] != OpCodes.OP_EQUALVERIFY or \
+        script[o] != OpCodes.OP_ENDIF
-       script[o + 2] != OpCodes.OP_CHECKSIG:
+        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):
+def redeemITx(self, bid_id: bytes, cursor):
-    bid, offer = self.getBidAndOffer(bid_id, session)
+    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.log.debug(
-    self.logEvent(Concepts.BID, bid_id, EventLogTypes.ITX_REDEEM_PUBLISHED, '', session)
+        "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 (
+from basicswap.contrib.test_framework.script import CScript, CScriptOp, OP_CHECKMULTISIG
-    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'', ]
+        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):
+def recoverNoScriptTxnWithKey(self, bid_id: bytes, encoded_key, cursor=None):
-    self.log.info('Manually recovering %s', bid_id.hex())
+    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)
+        use_cursor = self.openDB(cursor)
-        ensure(bid, 'Bid not found: {}.'.format(bid_id.hex()))
+        bid, xmr_swap = self.getXmrBidFromSession(use_cursor, bid_id)
-        ensure(xmr_swap, 'Adaptor-sig swap not found: {}.'.format(bid_id.hex()))
+        ensure(bid, "Bid not found: {}.".format(bid_id.hex()))
-        offer, xmr_offer = self.getXmrOfferFromSession(session, bid.offer_id, sent=False)
+        ensure(xmr_swap, "Adaptor-sig swap not found: {}.".format(bid_id.hex()))
-        ensure(offer, 'Offer not found: {}.'.format(bid.offer_id.hex()))
+        offer, xmr_offer = self.getXmrOfferFromSession(use_cursor, bid.offer_id)
-        ensure(xmr_offer, 'Adaptor-sig offer not found: {}.'.format(bid.offer_id.hex()))
+        ensure(offer, "Offer not found: {}.".format(bid.offer_id.hex()))
-        ci_to = self.ci(offer.coin_to)
+        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:
+        ensure(ci_follower.verifyKey(kbsl), "Invalid kbsl")
-            address_to = self.getCachedMainWalletAddress(ci_to)
+        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)
+        txid = ci_follower.spendBLockTx(
-        self.log.debug('Submitted lock B spend txn %s to %s chain for bid %s', txid.hex(), ci_to.coin_name(), bid_id.hex())
+            xmr_swap.b_lock_tx_id,
-        self.logBidEvent(bid.bid_id, EventLogTypes.LOCK_TX_B_SPEND_TX_PUBLISHED, txid.hex(), session)
+            address_to,
-        session.commit()
+            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
+    for_ed25519: bool = True if ci_follower.curve_type() == Curves.ed25519 else False
-    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))
+    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)
+            af_lock_refund_spend_tx_sig = ci_leader.extractFollowerSig(
-            kbsl = ci_leader.recoverEncKey(xmr_swap.af_lock_refund_spend_tx_esig, af_lock_refund_spend_tx_sig, xmr_swap.pkasl)
+                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
 
@@ -119,21 +192,29 @@ def setDLEAG(xmr_swap, ci_to, kbsf: bytes) -> None:
         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')
+            xmr_swap.kbsf_dleag = ci_to.signRecoverable(
-            pk_recovered: bytes = ci_to.verifySigAndRecover(xmr_swap.kbsf_dleag, 'proof kbsf owned for swap')
+                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,
+    def __init__(
-                 allow_none=False, use_datetime=False, use_builtin_types=False,
+        self,
-                 *, context=None):
+        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'):
+        if parsed.scheme not in ("http", "https"):
-            raise OSError('unsupported XML-RPC protocol')
+            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,
+            transport = handler(
+                use_datetime=use_datetime,
                 use_builtin_types=use_builtin_types,
-                                **extra_kwargs)
+                **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 = {
+            request_body = {"method": method, "params": params, "id": self.__request_id}
-                'method': method,
-                'params': params,
-                'id': self.__request_id
-            }
 
-            connection.putrequest('POST', self.__handler)
+            connection.putrequest("POST", self.__handler)
-            headers.append(('Content-Type', 'application/json'))
+            headers.append(("Content-Type", "application/json"))
-            headers.append(('User-Agent', 'jsonrpc'))
+            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:
+    if "error" in r and r["error"] is not None:
-        raise ValueError('RPC error ' + str(r['error']))
+        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, ]
+    args = [
-    if chain != 'mainnet':
+        cli_bin,
-        args.append('-' + chain)
+    ]
-    args.append('-datadir=' + datadir)
+    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)
+    username, password = auth_str.split(":", 1)
-    password = urllib.parse.quote(password, safe='')
+    password = urllib.parse.quote(password, safe="")
-    return f'{username}:{password}'
+    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,
+    def __init__(
-                 allow_none=False, use_datetime=False, use_builtin_types=False,
+        self,
-                 *, context=None):
+        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'):
+        if parsed.scheme not in ("http", "https"):
-            raise OSError('unsupported XML-RPC protocol')
+            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,
+            transport = handler(
+                use_datetime=use_datetime,
                 use_builtin_types=use_builtin_types,
-                                **extra_kwargs)
+                **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)
+            connection.putrequest("POST", self.__handler)
-            headers.append(('Content-Type', 'application/json'))
+            headers.append(("Content-Type", "application/json"))
-            headers.append(('User-Agent', 'jsonrpc'))
+            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)
+            connection.putrequest("POST", self.__handler)
-            headers.append(('Content-Type', 'application/json'))
+            headers.append(("Content-Type", "application/json"))
-            headers.append(('Connection', 'keep-alive'))
+            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 = ""
-                realm = ''
+                nonce = ""
-                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)
+                        key, value = f.split("=", 1)
-                        if key == 'algorithm' and value != 'MD5':
+                        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 == '':
+                if realm == "" or nonce == "":
-                    raise ValueError('Authenticate header not found.')
+                    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'
+                http_method = "POST"
-                HA2 = hashlib.md5(f'{http_method}:{path}'.encode('utf-8')).hexdigest()
+                HA2 = hashlib.md5(f"{http_method}:{path}".encode("utf-8")).hexdigest()
 
-                ncvalue = '{:08x}'.format(1)
+                ncvalue = "{:08x}".format(1)
-                s = ncvalue.encode('utf-8')
+                s = ncvalue.encode("utf-8")
-                s += nonce.encode('utf-8')
+                s += nonce.encode("utf-8")
-                s += time.ctime().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)
+                connection.putrequest("POST", self.__handler)
-                headers.append(('Content-Type', 'application/json'))
+                headers.append(("Content-Type", "application/json"))
-                headers.append(('Connection', 'keep-alive'))
+                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:
+        if rpc_host.count("://") > 0:
-            url = '{}:{}/{}'.format(rpc_host, rpc_port, path)
+            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,
+            "method": method,
-            'params': params,
+            "params": params,
-            'jsonrpc': '2.0',
+            "jsonrpc": "2.0",
-            'id': x.request_id()
+            "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:
+    if "error" in r and r["error"] is not None:
-        raise ValueError(tag + 'RPC error ' + str(r['error']))
+        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:
+        if rpc_host.count("://") > 0:
-            url = '{}:{}/{}'.format(rpc_host, rpc_port, method)
+            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_0 = (0x00,)
-    OP_PUSHDATA1 = 0x4c,
+    OP_PUSHDATA1 = (0x4C,)
-    OP_1 = 0x51,
+    OP_1 = (0x51,)
-    OP_16 = 0x60,
+    OP_16 = (0x60,)
-    OP_IF = 0x63,
+    OP_IF = (0x63,)
-    OP_ELSE = 0x67,
+    OP_ELSE = (0x67,)
-    OP_ENDIF = 0x68,
+    OP_ENDIF = (0x68,)
-    OP_RETURN = 0x6a,
+    OP_RETURN = (0x6A,)
-    OP_DROP = 0x75,
+    OP_DROP = (0x75,)
-    OP_DUP = 0x76,
+    OP_DUP = (0x76,)
-    OP_SIZE = 0x82,
+    OP_SIZE = (0x82,)
-    OP_EQUAL = 0x87,
+    OP_EQUAL = (0x87,)
-    OP_EQUALVERIFY = 0x88,
+    OP_EQUALVERIFY = (0x88,)
-    OP_SHA256 = 0xa8,
+    OP_SHA256 = (0xA8,)
-    OP_HASH160 = 0xa9,
+    OP_HASH160 = (0xA9,)
-    OP_CHECKSIG = 0xac,
+    OP_CHECKSIG = (0xAC,)
-    OP_CHECKLOCKTIMEVERIFY = 0xb1,
+    OP_CHECKLOCKTIMEVERIFY = (0xB1,)
-    OP_CHECKSEQUENCEVERIFY = 0xb2,
+    OP_CHECKSEQUENCEVERIFY = (0xB2,)
 
-    OP_SHA256_DECRED = 0xc0,
+    OP_SHA256_DECRED = (0xC0,)

basicswap/static/css/style.css

@@ -1,42 +1,39 @@
-
+/* General Styles */
-.padded_row td
+.bold {
-{
-  padding-top:1.5em;
-}
-
-.bold
-{
     font-weight: bold;
 }
 
-.monospace
+.monospace {
-{
     font-family: monospace;
 }
 
-.floatright
+.floatright {
-{
     position: fixed;
     top: 1.25rem;
     right: 1.25rem;
     z-index: 9999;
 }
 
-.error_msg
+/* Table Styles */
-{
+.padded_row td {
+    padding-top: 1.5em;
 }
 
+/* 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;
@@ -44,6 +41,7 @@
         overflow: hidden;
     }
 }
+
 @-webkit-keyframes cssAnimation {
     to {
         width: 0;
@@ -52,6 +50,7 @@
     }
 }
 
+/* Custom Select Styles */
 .custom-select .select {
     appearance: none;
     background-image: url('/static/images/other/coin.png');
@@ -95,8 +94,9 @@
     display: block;
 }
 
+/* Blur and Overlay Styles */
 .blurred {
-    filter: blur(4px);
+    filter: blur(3px);
     pointer-events: none;
     user-select: none;
 }
@@ -107,7 +107,7 @@
     user-select: auto;
 }
 
-/* Disable opacity on disabled form elements in Chrome */
+/* Form Element Styles */
 @media screen and (-webkit-min-device-pixel-ratio: 0) {
     select:disabled,
     input:disabled,
@@ -120,6 +120,7 @@
     border: 1px solid red !important;
 }
 
+/* Active Container Styles */
 .active-container {
     position: relative;
     border-radius: 10px;
@@ -137,6 +138,7 @@
     pointer-events: none;
 }
 
+/* Center Spin Animation */
 .center-spin {
     display: flex;
     justify-content: center;
@@ -144,23 +146,30 @@
 }
 
 @keyframes spin {
-  0% { transform: rotate(0deg); }
+    0% { 
-  100% { transform: rotate(360deg); }
+        transform: rotate(0deg); 
+    }
+    100% { 
+        transform: rotate(360deg); 
+    }
 }
 
-.hover-container:hover #coin_to_button, .hover-container:hover #coin_to {
+/* Hover Container Styles */
-  border-color: #3b82f6;
+.hover-container:hover #coin_to_button,
-}
+.hover-container:hover #coin_to,
-.hover-container:hover #coin_from_button, .hover-container:hover #coin_from {
+.hover-container:hover #coin_from_button,
+.hover-container:hover #coin_from {
     border-color: #3b82f6;
 }
 
-#coin_to_button, #coin_from_button {
+#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;
@@ -172,41 +181,45 @@
     line-height: 1.25rem;
     outline: none;
     word-wrap: break-word;
-  height: 90px;
+    overflow-wrap: break-word;
-  color: #374151;
-  border-radius: 0.375rem;
-  font-size: 0.875rem;
-  line-height: 1.25rem;
-  outline: none;
     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;
 }
 
+/* QR Code Styles */
 .qrcode {
     position: relative;
     display: inline-block;
     padding: 10px;
     overflow: hidden;
-  position: relative;
 }
 
 .qrcode-border {
     border: 2px solid;
-  border-color: rgba(59, 130, 246, var(--tw-border-opacity));
+    background-color: #ffffff;
-  border-radius: 20px;
+    border-radius: 0px;
 }
 
 .qrcode img {
     width: 100%;
     height: auto;
-  border-radius: 15px;
+    border-radius: 0px;
 }
 
 #showQR {
@@ -217,59 +230,138 @@
     height: 25px;
 }
 
-
+.qrcode-container {
-select.select-disabled {
+    margin-top: 25px;
-opacity: 0.40 !important;
 }
 
-
+/* Disabled Element Styles */
-.disabled-input-enabled {
+select.select-disabled,
-    opacity: 0.40 !important;
+.disabled-input-enabled,
-}
 select.disabled-select-enabled {
     opacity: 0.40 !important;
 }
 
+/* Shutdown Modal Styles */
+#shutdownModal {
+    z-index: 50;
+}
 
-  .custom-select .select {
+#shutdownModal > div:first-child {
-   appearance: none;
+    z-index: 40;
-   background-position: 10px center;
+}
-   background-repeat: no-repeat;
+
+#shutdownModal > div:last-child {
+    z-index: 50;
+}
+
+#shutdownModal > div {
+    transition: opacity 0.3s ease-out;
+}
+
+#shutdownModal.hidden > div {
+    opacity: 0;
+}
+
+#shutdownModal:not(.hidden) > div {
+    opacity: 1;
+}
+
+.shutdown-button {
+    transition: all 0.3s ease;
+}
+
+.shutdown-button.shutdown-disabled {
+    opacity: 0.6;
+    cursor: not-allowed;
+    color: #a0aec0;
+}
+
+.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;
 }
 
-  .custom-select select::-webkit-scrollbar {
+.loading-line::before {
-   width: 0;
+    content: '';
-  }
-
-  .custom-select .select option {
-   padding-left: 0;
-   text-indent: 0;
-   background-repeat: no-repeat;
-   background-position: 0 50%;
-  }
-
-  .custom-select .select option.no-space {
-   padding-left: 0;
-  }
-
-  .custom-select .select option[data-image] {
-   background-image: url('');
-  }
-
-  .custom-select .select-icon {
-   position: absolute;
-   top: 50%;
-   left: 10px;
-   transform: translateY(-50%);
-  }
-
-  .custom-select .select-image {
-   display: none;
-   margin-top: 10px;
-  }
-
-  .custom-select .select:focus+.select-dropdown .select-image {
     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/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++) {
+        for (var k = 0; k < close.length; k++) {
-            close[i].addEventListener('click', function() {
+            close[k].addEventListener('click', function() {
                 for (var j = 0; j < menu.length; j++) {
                     menu[j].classList.toggle('hidden');
                 }
@@ -29,8 +29,8 @@ document.addEventListener('DOMContentLoaded', function() {
     }
 
     if (backdrop.length) {
-        for (var i = 0; i < backdrop.length; i++) {
+        for (var l = 0; l < backdrop.length; l++) {
-            backdrop[i].addEventListener('click', function() {
+            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) => {
+window.addEventListener('DOMContentLoaded', () => {
-  let err_msgs = document.querySelectorAll('p.error_msg');
+  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');
+  const inputs = document.querySelectorAll('input.error');
-  let selects = document.querySelectorAll('select.error');
+  const selects = document.querySelectorAll('select.error');
-  let elements = [...inputs, ...selects];
+  const elements = [...inputs, ...selects];
   elements.forEach((element) => {
     element.addEventListener('focus', (event) => {
       event.target.classList.remove('error');