guix: Update packed version.

Add workaround for btc seed changing after encrypting wallet.

.cirrus.yml

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

.github/dependabot.yml

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

.github/workflows/ci.yml

@@ -0,0 +1,111 @@
+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
+  BSX_SELENIUM_DRIVER: firefox-ci
+  XMR_RPC_USER: xmr_user
+  XMR_RPC_PWD: xmr_pwd
+
+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: |
+        if [ $(dpkg-query -W -f='${Status}' firefox 2>/dev/null | grep -c "ok installed") -eq 0 ]; then
+          install -d -m 0755 /etc/apt/keyrings
+          wget -q https://packages.mozilla.org/apt/repo-signing-key.gpg -O- | sudo tee /etc/apt/keyrings/packages.mozilla.org.asc > /dev/null
+          echo "deb [signed-by=/etc/apt/keyrings/packages.mozilla.org.asc] https://packages.mozilla.org/apt mozilla main" | sudo tee -a /etc/apt/sources.list.d/mozilla.list > /dev/null
+          echo "Package: *" | sudo tee /etc/apt/preferences.d/mozilla
+          echo "Pin: origin packages.mozilla.org" | sudo tee -a /etc/apt/preferences.d/mozilla
+          echo "Pin-Priority: 1000" | sudo tee -a /etc/apt/preferences.d/mozilla
+          sudo apt-get update
+          sudo apt-get install -y firefox
+        fi
+        python -m pip install --upgrade pip
+        pip install -e .[dev]
+        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: Run flake8
+      run: |
+        flake8 --ignore=E203,E501,W503 --exclude=basicswap/contrib,basicswap/interface/contrib,.eggs,.tox,bin/install_certifi.py
+    - name: Run 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: Run black
+      run: |
+        black --check --diff --exclude="contrib" .
+    - name: Run 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: Run test_prepare
+      run: |
+        export PYTHONPATH=$(pwd)
+        export TEST_BIN_PATH="$BIN_DIR"
+        export TEST_PATH=/tmp/test_prepare
+        pytest tests/basicswap/extended/test_prepare.py
+    - name: Run 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: Run 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
+    - name: Run selenium tests
+      run: |
+        export TEST_PATH=/tmp/test_persistent
+        mkdir -p ${TEST_PATH}/bin
+        cp -r $BIN_DIR/* ${TEST_PATH}/bin/
+        export PYTHONPATH=$(pwd)
+        python tests/basicswap/extended/test_xmr_persistent.py > /tmp/log.txt 2>&1 & TEST_NETWORK_PID=$!
+        echo "Starting test_xmr_persistent, PID $TEST_NETWORK_PID"
+        until curl -s -f -o /dev/null "http://localhost:12701/json/coins"
+        do
+          tail -n 1 /tmp/log.txt
+          sleep 2
+        done
+        echo "Running test_settings.py"
+        python tests/basicswap/selenium/test_settings.py
+        echo "Running test_swap_direction.py"
+        python tests/basicswap/selenium/test_swap_direction.py
+        kill -9 $TEST_NETWORK_PID

.gitignore

@@ -8,8 +8,13 @@ __pycache__
 /*.eggs
 .tox
 .eggs
+.ruff_cache
+.pytest_cache
 *~
 
 # 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 protobuf-compiler 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

@@ -5,30 +5,15 @@ 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;
-
-# Must install protoc directly as latest package is only on 3.12
-RUN wget -O protobuf_src.tar.gz https://github.com/protocolbuffers/protobuf/releases/download/v21.1/protobuf-python-4.21.1.tar.gz && \
-    tar xvf protobuf_src.tar.gz && \
-    cd protobuf-3.21.1 && \
-    ./configure --prefix=/usr && \
-    make -j$(nproc) install && \
-    ldconfig
-
-ARG COINCURVE_VERSION=v0.2
-RUN wget -O coincurve-anonswap.zip https://github.com/tecnovert/coincurve/archive/refs/tags/anonswap_$COINCURVE_VERSION.zip && \
-    unzip coincurve-anonswap.zip && \
-    mv ./coincurve-anonswap_$COINCURVE_VERSION ./coincurve-anonswap && \
-    cd coincurve-anonswap && \
-    python3 setup.py install --force
+    apt-get install -y --no-install-recommends \
+        python3-pip libpython3-dev gnupg pkg-config gcc libc-dev gosu tzdata cmake ninja-build;
 
 # Install requirements first so as to skip in subsequent rebuilds
 COPY ./requirements.txt requirements.txt
-RUN pip3 install -r requirements.txt
+RUN pip3 install -r requirements.txt --require-hashes
 
 COPY . basicswap-master
 RUN cd basicswap-master; \
-    protoc -I=basicswap --python_out=basicswap basicswap/messages.proto; \
     pip3 install .;
 
 RUN useradd -ms /bin/bash swap_user && \

MANIFEST.in

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

README.md

@@ -15,27 +15,31 @@ Table of Contents
 
 ## About
 
-The BasicSwap DEX is a privacy-first and decentralized exchange which features cross-chain atomic swaps and a distributed order book.
+**BasicSwap** is the world’s most secure and decentralized DEX. It facilitates cross-chain atomic swaps by enabling peers to interact directly with each other within a free and open environment without central points of failure.
 
-[BasicSwap](https://academy.particl.io/en/latest/glossary.html#term-BasicSwap) is a cross-chain and privacy-centric DEX (decentralized exchange) that lets you trade cryptocurrencies with no third party involvement. Its distributed order book lets you make or take orders at no cost and trade within a free and open environment without central points of failure.
+This DEX is fully non-custodial and features a decentralized order book, letting you create or accept swap offers without any fees, counterparties, or the need for accounts.
 
-This DEX protocol was built in direct response to the increasingly invasive demands and data mining practices of today’s cryptocurrency exchanges. It strives to bring more decentralized and more private cryptocurrency trading conditions for all.
+Built as a low-friction, highly secure solution to the frequent losses of funds on centralized exchanges (e.g., FTX, BitFinex, MtGox), **BasicSwap** aims to provide more reliable and secure cryptocurrency trading conditions for everyone.
 
-BasicSwap is still in beta. This means that, while it already offers most of the vital trading features you’d expect to see on centralized exchanges, it is still in heavy development, and many more features will come about in the near future.
-
-Check out our [roadmap](https://basicswapdex.com/roadmap) to get a better idea of what we've got planned for it!
+**BasicSwap** is currently in active development by the community. While it already offers some of the essential trading features you'd expect from an exchange, more features and quality-of-life improvements are being worked on with the goal to provide a smoother user experience.
 
 ## Features
 
 * **True cross-chain support** — Swap cryptocurrencies that live on entirely different blockchain environments, like Bitcoin and Monero.
-* **Distributed order book** — Make or take limit orders on a completely distributed order book system.
-* **No third-party or middleman** — Trade crypto with no intermediaries whatsoever.
+* **Decentralized order book** — Make or take swap offers on a completely decentralized order book system.
+* **No third-party or middleman** — Trade crypto with no intermediaries, completely eliminating central points of failure.
 * **No trading fees** — Only pay the typical cryptocurrency network fee.
-* **Privacy from the ground up** — Every component of BasicSwap is built with a privacy-first commitment.
-* **Full Monero support** — Swap Monero with a variety of other cryptocurrencies like Bitcoin or Particl. No wrapped assets or trickery involved.
+* **Superior financial privacy** — Protect your financial information from unauthorized access with BasicSwap’s privacy-conscious technology.
+* **Full Monero support** — Swap Monero with a variety of other cryptocurrencies like Bitcoin or Particl. No wrapped assets or layer-2 involved.
 * **User-friendly interface** — Enjoy all these features within a user-friendly and intuitive interface that handles all the complicated parts for you.
 
-BasicSwap is still in beta. This means that, while it already offers most of the vital trading features you’d expect to see on centralized exchanges, it is still in heavy development, and many more features will come about in the near future.
+## Under the Hood
+
+**BasicSwap** can be best understood as the decentralized version of the SWIFT messaging network; providing a decentralized messaging protocol that allows for peers to connect directly with each other with the purpose of executing atomic swaps without central points of failure and using official core wallets (Bitcoin Core, Litecoin Core, etc).
+
+**BasicSwap** does not process, initiate, or execute swaps; it merely enables peers to communicate with each other and exchange the required information to simplify the process of using atomic swaps on the respective blockchains of the coins being swapped.
+
+In essence, **BasicSwap** operates merely as a decentralized messaging protocol supplemented by a user-friendly interface.
 
 ## Available Assets
 
@@ -60,6 +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>
@@ -84,47 +94,63 @@ BasicSwap is compatible with the following digital assets.
    <td>PIVX
    </td>
   </tr>
+  <tr>
+   <td>Decred
+   </td>
+   <td>DCR
+   </td>
+  </tr>
+  <tr>
+   <td>Wownero
+   </td>
+   <td>WOW
+   </td>
+  </tr>
   <tr>
    <td>Particl
    </td>
    <td>PART
    </td>
   </tr>
+  <tr>
+   <td>Dogecoin
+   </td>
+   <td>DOGE
+   </td>
+  </tr>
+  <tr>
+   <td>Namecoin
+   </td>
+   <td>NMC
+   </td>
+  </tr>
 </table>
 
-We plan on adding many other cryptocurrencies moving forward, including ETH and its ERC-20 tokens. However, due to the true cross-chain nature of the BasicSwap DEX protocol, each integration has to be done on a case-by-case basis.
-
-If you’d like to add a cryptocurrency to BasicSwap, either [apply for a listing using our listing application form](https://forms.gle/9DsHoHTJVqSiMNHW9), or try coding the integration yourself by referencing how other cryptocurrencies have been added. Follow [this link](https://academy.particl.io/en/latest/basicswap-guides/basicswapguides_apply.html) for more information on how to integrate a coin yourself.
+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).
 
 # Participate
 
 ### Chats
 
-* **For developers** The chat [#particl-dev:matrix.org](https://matrix.to/#/#particl-dev:matrix.org) using a Matrix client.
-* **For community** The community chat [https://discord.me/particl](https://discord.me/particl) [![Discord](https://img.shields.io/discord/391967609660112925)](https://discord.me/particl).
+* **For support** Join the community on [#basicswap:matrix.org](https://matrix.to/#/#basicswap:matrix.org) using a Matrix client.
 
 [![Twitter Follow](https://img.shields.io/twitter/follow/BasicSwapDEX?label=follow%20us&style=social)](http://twitter.com/BasicSwapDEX)
-[![Subreddit subscribers](https://img.shields.io/reddit/subreddit-subscribers/particl?style=social)](http://reddit.com/r/particl)
 
 ### Documentation, installation
 
-For non-developers curious to explore a new world of commerce, binaries can be downloaded and installed. It is the easiest way to get started. Following the guides on [Particl Academy](https://academy.particl.io), a reference book in straightforward language, is recommended.
+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
 
-* [Discord](https://discord.me/particl) navigate to the #support channel
-
-* [Telegram](https://t.me/particlhelp)
-
-* [Matrix](https://matrix.to/#/#particlhelp:matrix.org)
+* [Matrix](https://matrix.to/#/#basicswap:matrix.org)
 
 # Tutorials
 
 You can find a wide variety of tutorials and step-by-step guides about BasicSwap on the [Particl Academy](https://academy.particl.io) or on Particl’s Youtube channel.
 
-If you encounter an issue or try to accomplish something not mentioned in any of the tutorials included in the links above, please join the community chat support channels; you’ll be sure to find help and support from our awesome community and open-source team there!
+If you encounter an issue or try to accomplish something not mentioned in any of the tutorials included in the links above, please join the community chat support channel; you’ll be sure to find help and support from current contributors there!
 
 # License
 

basicswap/__init__.py

@@ -1,3 +1,3 @@
 name = "basicswap"
 
-__version__ = "0.13.0"
+__version__ = "0.14.4"

basicswap/base.py

@@ -1,29 +1,37 @@
 # -*- 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 os
-import time
-import shlex
-import socks
-import random
-import socket
-import urllib
 import logging
-import threading
-import traceback
+import os
+import random
+import shlex
+import socket
+import socks
 import subprocess
+import sys
+import threading
+import time
+import traceback
+import urllib
 
 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,
@@ -34,10 +42,10 @@ def getaddrinfo_tor(*args):
     return [(socket.AF_INET, socket.SOCK_STREAM, 6, "", (args[0], args[1]))]
 
 
-class BaseApp:
-    def __init__(self, fp, data_dir, settings, chain, log_name='BasicSwap'):
+class BaseApp(DBMethods):
+    def __init__(self, data_dir, settings, chain, log_name="BasicSwap"):
+        self.fp = None
         self.log_name = log_name
-        self.fp = fp
         self.fail_code = 0
         self.mock_time_offset = 0
 
@@ -46,43 +54,61 @@ class BaseApp:
         self.settings = settings
         self.coin_clients = {}
         self.coin_interfaces = {}
-        self.mxDB = threading.RLock()
-        self.debug = self.settings.get('debug', False)
+        self.mxDB = threading.Lock()
+        self.debug = self.settings.get("debug", False)
         self.delay_event = threading.Event()
         self.chainstate_delay_event = threading.Event()
 
         self._network = None
         self.prepareLogging()
-        self.log.info('Network: {}'.format(self.chain))
+        self.log.info("Network: {}".format(self.chain))
 
-        self.use_tor_proxy = self.settings.get('use_tor', False)
-        self.tor_proxy_host = self.settings.get('tor_proxy_host', '127.0.0.1')
-        self.tor_proxy_port = self.settings.get('tor_proxy_port', 9050)
-        self.tor_control_password = self.settings.get('tor_control_password', None)
-        self.tor_control_port = self.settings.get('tor_control_port', 9051)
+        self.use_tor_proxy = self.settings.get("use_tor", False)
+        self.tor_proxy_host = self.settings.get("tor_proxy_host", "127.0.0.1")
+        self.tor_proxy_port = self.settings.get("tor_proxy_port", 9050)
+        self.tor_control_password = self.settings.get("tor_control_password", None)
+        self.tor_control_port = self.settings.get("tor_control_port", 9051)
         self.default_socket = socket.socket
         self.default_socket_timeout = socket.getdefaulttimeout()
         self.default_socket_getaddrinfo = socket.getaddrinfo
 
+    def __del__(self):
+        if self.fp:
+            self.fp.close()
+
     def stopRunning(self, with_code=0):
         self.fail_code = with_code
         with self.mxDB:
             self.chainstate_delay_event.set()
             self.delay_event.set()
 
+    def openLogFile(self):
+        self.fp = open(os.path.join(self.data_dir, "basicswap.log"), "a")
+
     def prepareLogging(self):
+        logging.setLoggerClass(BSXLogger)
         self.log = logging.getLogger(self.log_name)
         self.log.propagate = False
 
+        self.openLogFile()
+
         # Remove any existing handlers
         self.log.handlers = []
 
-        formatter = logging.Formatter('%(asctime)s %(levelname)s : %(message)s', '%Y-%m-%d %H:%M:%S')
-        stream_stdout = logging.StreamHandler()
-        if self.log_name != 'BasicSwap':
-            stream_stdout.setFormatter(logging.Formatter('%(asctime)s %(name)s %(levelname)s : %(message)s', '%Y-%m-%d %H:%M:%S'))
+        formatter = logging.Formatter(
+            "%(asctime)s %(levelname)s : %(message)s", "%Y-%m-%d %H:%M:%S"
+        )
+        stream_stdout = logging.StreamHandler(sys.stdout)
+        if self.log_name != "BasicSwap":
+            stream_stdout.setFormatter(
+                logging.Formatter(
+                    "%(asctime)s %(name)s %(levelname)s : %(message)s",
+                    "%Y-%m-%d %H:%M:%S",
+                )
+            )
         else:
             stream_stdout.setFormatter(formatter)
+        self.log_formatter = formatter
         stream_fp = logging.StreamHandler(self.fp)
         stream_fp.setFormatter(formatter)
 
@@ -92,67 +118,91 @@ class BaseApp:
 
     def getChainClientSettings(self, coin):
         try:
-            return self.settings['chainclients'][chainparams[coin]['name']]
+            return self.settings["chainclients"][chainparams[coin]["name"]]
         except Exception:
             return {}
 
     def setDaemonPID(self, name, pid) -> None:
         if isinstance(name, Coins):
-            self.coin_clients[name]['pid'] = pid
+            self.coin_clients[name]["pid"] = pid
             return
         for c, v in self.coin_clients.items():
-            if v['name'] == name:
-                v['pid'] = pid
+            if v["name"] == name:
+                v["pid"] = pid
 
     def getChainDatadirPath(self, coin) -> str:
-        datadir = self.coin_clients[coin]['datadir']
-        testnet_name = '' if self.chain == 'mainnet' else chainparams[coin][self.chain].get('name', self.chain)
+        datadir = self.coin_clients[coin]["datadir"]
+        testnet_name = (
+            ""
+            if self.chain == "mainnet"
+            else chainparams[coin][self.chain].get("name", self.chain)
+        )
         return os.path.join(datadir, testnet_name)
 
     def getCoinIdFromName(self, coin_name: str):
         for c, params in chainparams.items():
-            if coin_name.lower() == params['name'].lower():
+            if coin_name.lower() == params["name"].lower():
                 return c
-        raise ValueError('Unknown coin: {}'.format(coin_name))
+        raise ValueError("Unknown coin: {}".format(coin_name))
 
     def callrpc(self, method, params=[], wallet=None):
         cc = self.coin_clients[Coins.PART]
-        return callrpc(cc['rpcport'], cc['rpcauth'], method, params, wallet, cc['rpchost'])
+        return callrpc(
+            cc["rpcport"], cc["rpcauth"], method, params, wallet, cc["rpchost"]
+        )
 
     def callcoinrpc(self, coin, method, params=[], wallet=None):
         cc = self.coin_clients[coin]
-        return callrpc(cc['rpcport'], cc['rpcauth'], method, params, wallet, cc['rpchost'])
+        return callrpc(
+            cc["rpcport"], cc["rpcauth"], method, params, wallet, cc["rpchost"]
+        )
 
     def callcoincli(self, coin_type, params, wallet=None, timeout=None):
-        bindir = self.coin_clients[coin_type]['bindir']
-        datadir = self.coin_clients[coin_type]['datadir']
-        command_cli = os.path.join(bindir, chainparams[coin_type]['name'] + '-cli' + ('.exe' if os.name == 'nt' else ''))
-        args = [command_cli, ]
-        if self.chain != 'mainnet':
-            args.append('-' + self.chain)
-        args.append('-datadir=' + datadir)
+        bindir = self.coin_clients[coin_type]["bindir"]
+        datadir = self.coin_clients[coin_type]["datadir"]
+        cli_bin: str = chainparams[coin_type].get(
+            "cli_binname", chainparams[coin_type]["name"] + "-cli"
+        )
+        command_cli = os.path.join(
+            bindir, cli_bin + (".exe" if os.name == "nt" else "")
+        )
+        args = [
+            command_cli,
+        ]
+        if self.chain != "mainnet":
+            args.append("-" + self.chain)
+        args.append("-datadir=" + datadir)
         args += shlex.split(params)
-        p = subprocess.Popen(args, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+        p = subprocess.Popen(
+            args, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE
+        )
         out = p.communicate(timeout=timeout)
         if len(out[1]) > 0:
-            raise ValueError('CLI error ' + str(out[1]))
-        return out[0].decode('utf-8').strip()
+            raise ValueError("CLI error " + str(out[1]))
+        return out[0].decode("utf-8").strip()
 
     def is_transient_error(self, ex) -> bool:
         if isinstance(ex, TemporaryError):
             return True
         str_error = str(ex).lower()
-        return 'read timed out' in str_error or 'no connection to daemon' in str_error
+        return "read timed out" in str_error or "no connection to daemon" in str_error
 
     def setConnectionParameters(self, timeout=120):
         opener = urllib.request.build_opener()
-        opener.addheaders = [('User-agent', 'Mozilla/5.0')]
+        opener.addheaders = [("User-agent", "Mozilla/5.0")]
         urllib.request.install_opener(opener)
 
         if self.use_tor_proxy:
-            socks.setdefaultproxy(socks.PROXY_TYPE_SOCKS5, self.tor_proxy_host, self.tor_proxy_port, rdns=True)
+            socks.setdefaultproxy(
+                socks.PROXY_TYPE_SOCKS5,
+                self.tor_proxy_host,
+                self.tor_proxy_port,
+                rdns=True,
+            )
             socket.socket = socks.socksocket
-            socket.getaddrinfo = getaddrinfo_tor  # Without this accessing .onion links would fail
+            socket.getaddrinfo = (
+                getaddrinfo_tor  # Without this accessing .onion links would fail
+            )
 
         socket.setdefaulttimeout(timeout)
 
@@ -162,12 +212,19 @@ class BaseApp:
             socket.getaddrinfo = self.default_socket_getaddrinfo
         socket.setdefaulttimeout(self.default_socket_timeout)
 
-    def readURL(self, url: str, timeout: int = 120, headers=None) -> bytes:
+    def readURL(self, url: str, timeout: int = 120, headers={}) -> bytes:
         open_handler = None
         if self.use_tor_proxy:
-            open_handler = SocksiPyHandler(socks.PROXY_TYPE_SOCKS5, self.tor_proxy_host, self.tor_proxy_port)
-        opener = urllib.request.build_opener(open_handler) if self.use_tor_proxy else urllib.request.build_opener()
-        opener.addheaders = [('User-agent', 'Mozilla/5.0')]
+            open_handler = SocksiPyHandler(
+                socks.PROXY_TYPE_SOCKS5, self.tor_proxy_host, self.tor_proxy_port
+            )
+        opener = (
+            urllib.request.build_opener(open_handler)
+            if self.use_tor_proxy
+            else urllib.request.build_opener()
+        )
+        if headers is None:
+            opener.addheaders = [("User-agent", "Mozilla/5.0")]
         request = urllib.request.Request(url, headers=headers)
         return opener.open(request, timeout=timeout).read()
 
@@ -178,7 +235,9 @@ 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 +249,23 @@ 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) 2024-2025 The Basicswap developers
 # Distributed under the MIT software license, see the accompanying
 # file LICENSE or http://www.opensource.org/licenses/mit-license.php.
 
@@ -8,12 +9,14 @@
 import struct
 import hashlib
 from enum import IntEnum, auto
+from html import escape as html_escape
 from .util.address import (
     encodeAddress,
     decodeAddress,
 )
 from .chainparams import (
     chainparams,
+    Fiat,
 )
 
 
@@ -64,6 +67,7 @@ class SwapTypes(IntEnum):
     SELLER_FIRST_2MSG = auto()
     BUYER_FIRST_2MSG = auto()
     XMR_SWAP = auto()
+    XMR_BCH_SWAP = auto()
 
 
 class OfferStates(IntEnum):
@@ -75,13 +79,13 @@ class OfferStates(IntEnum):
 
 class BidStates(IntEnum):
     BID_SENT = 1
-    BID_RECEIVING = 2               # Partially received
+    BID_RECEIVING = 2  # Partially received
     BID_RECEIVED = 3
-    BID_RECEIVING_ACC = 4           # Partially received accept message
-    BID_ACCEPTED = 5                # BidAcceptMessage received/sent
-    SWAP_INITIATED = 6              # Initiate txn validated
-    SWAP_PARTICIPATING = 7          # Participate txn validated
-    SWAP_COMPLETED = 8              # All swap txns spent
+    BID_RECEIVING_ACC = 4  # Partially received accept message
+    BID_ACCEPTED = 5  # BidAcceptMessage received/sent
+    SWAP_INITIATED = 6  # Initiate txn validated
+    SWAP_PARTICIPATING = 7  # Participate txn validated
+    SWAP_COMPLETED = 8  # All swap txns spent
     XMR_SWAP_SCRIPT_COIN_LOCKED = 9
     XMR_SWAP_HAVE_SCRIPT_COIN_SPEND_TX = 10
     XMR_SWAP_NOSCRIPT_COIN_LOCKED = 11
@@ -95,16 +99,18 @@ class BidStates(IntEnum):
     XMR_SWAP_FAILED = 19
     SWAP_DELAYING = 20
     SWAP_TIMEDOUT = 21
-    BID_ABANDONED = 22          # Bid will no longer be processed
-    BID_ERROR = 23              # An error occurred
+    BID_ABANDONED = 22  # Bid will no longer be processed
+    BID_ERROR = 23  # An error occurred
     BID_STALLED_FOR_TEST = 24
     BID_REJECTED = 25
     BID_STATE_UNKNOWN = 26
-    XMR_SWAP_MSG_SCRIPT_LOCK_TX_SIGS = 27      # XmrBidLockTxSigsMessage
-    XMR_SWAP_MSG_SCRIPT_LOCK_SPEND_TX = 28     # XmrBidLockSpendTxMessage
+    XMR_SWAP_MSG_SCRIPT_LOCK_TX_SIGS = 27  # XmrBidLockTxSigsMessage
+    XMR_SWAP_MSG_SCRIPT_LOCK_SPEND_TX = 28  # XmrBidLockSpendTxMessage
     BID_REQUEST_SENT = 29
     BID_REQUEST_ACCEPTED = 30
     BID_EXPIRED = 31
+    BID_AACCEPT_DELAY = 32
+    BID_AACCEPT_FAIL = 33
 
 
 class TxStates(IntEnum):
@@ -136,6 +142,8 @@ class TxTypes(IntEnum):
 
     ITX_PRE_FUNDED = auto()
 
+    BCH_MERCY = auto()
+
 
 class ActionTypes(IntEnum):
     ACCEPT_BID = auto()
@@ -183,6 +191,8 @@ 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 +204,7 @@ 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()
@@ -202,6 +213,12 @@ class DebugTypes(IntEnum):
     SEND_LOCKED_XMR = auto()
     B_LOCK_TX_MISSED_SEND = auto()
     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):
@@ -219,12 +236,12 @@ class AutomationOverrideOptions(IntEnum):
 
 def strAutomationOverrideOption(option):
     if option == AutomationOverrideOptions.DEFAULT:
-        return 'Default'
+        return "Default"
     if option == AutomationOverrideOptions.ALWAYS_ACCEPT:
-        return 'Always Accept'
+        return "Always Accept"
     if option == AutomationOverrideOptions.NEVER_ACCEPT:
-        return 'Never Accept'
-    return 'Unknown'
+        return "Never Accept"
+    return "Unknown"
 
 
 class VisibilityOverrideOptions(IntEnum):
@@ -235,245 +252,258 @@ class VisibilityOverrideOptions(IntEnum):
 
 def strVisibilityOverrideOption(option):
     if option == VisibilityOverrideOptions.DEFAULT:
-        return 'Default'
+        return "Default"
     if option == VisibilityOverrideOptions.HIDE:
-        return 'Hide'
+        return "Hide"
     if option == VisibilityOverrideOptions.BLOCK:
-        return 'Block'
-    return 'Unknown'
+        return "Block"
+    return "Unknown"
 
 
 def strOfferState(state):
     if state == OfferStates.OFFER_SENT:
-        return 'Sent'
+        return "Sent"
     if state == OfferStates.OFFER_RECEIVED:
-        return 'Received'
+        return "Received"
     if state == OfferStates.OFFER_ABANDONED:
-        return 'Abandoned'
+        return "Abandoned"
     if state == OfferStates.OFFER_EXPIRED:
-        return 'Expired'
-    return 'Unknown'
+        return "Expired"
+    return "Unknown"
 
 
 def strBidState(state):
     if state == BidStates.BID_SENT:
-        return 'Sent'
+        return "Sent"
     if state == BidStates.BID_RECEIVING:
-        return 'Receiving'
+        return "Receiving"
     if state == BidStates.BID_RECEIVING_ACC:
-        return 'Receiving accept'
+        return "Receiving accept"
     if state == BidStates.BID_RECEIVED:
-        return 'Received'
+        return "Received"
     if state == BidStates.BID_ACCEPTED:
-        return 'Accepted'
+        return "Accepted"
     if state == BidStates.SWAP_INITIATED:
-        return 'Initiated'
+        return "Initiated"
     if state == BidStates.SWAP_PARTICIPATING:
-        return 'Participating'
+        return "Participating"
     if state == BidStates.SWAP_COMPLETED:
-        return 'Completed'
+        return "Completed"
     if state == BidStates.SWAP_TIMEDOUT:
-        return 'Timed-out'
+        return "Timed-out"
     if state == BidStates.BID_ABANDONED:
-        return 'Abandoned'
+        return "Abandoned"
     if state == BidStates.BID_STALLED_FOR_TEST:
-        return 'Stalled (debug)'
+        return "Stalled (debug)"
     if state == BidStates.BID_ERROR:
-        return 'Error'
+        return "Error"
     if state == BidStates.BID_REJECTED:
-        return 'Rejected'
+        return "Rejected"
     if state == BidStates.XMR_SWAP_SCRIPT_COIN_LOCKED:
-        return 'Script coin locked'
+        return "Script coin locked"
     if state == BidStates.XMR_SWAP_HAVE_SCRIPT_COIN_SPEND_TX:
-        return 'Script coin spend tx valid'
+        return "Script coin spend tx valid"
     if state == BidStates.XMR_SWAP_NOSCRIPT_COIN_LOCKED:
-        return 'Scriptless coin locked'
+        return "Scriptless coin locked"
     if state == BidStates.XMR_SWAP_LOCK_RELEASED:
-        return 'Script coin lock released'
+        return "Script coin lock released"
     if state == BidStates.XMR_SWAP_SCRIPT_TX_REDEEMED:
-        return 'Script tx redeemed'
+        return "Script tx redeemed"
     if state == BidStates.XMR_SWAP_SCRIPT_TX_PREREFUND:
-        return 'Script pre-refund tx in chain'
+        return "Script pre-refund tx in chain"
     if state == BidStates.XMR_SWAP_NOSCRIPT_TX_REDEEMED:
-        return 'Scriptless tx redeemed'
+        return "Scriptless tx redeemed"
     if state == BidStates.XMR_SWAP_NOSCRIPT_TX_RECOVERED:
-        return 'Scriptless tx recovered'
+        return "Scriptless tx recovered"
     if state == BidStates.XMR_SWAP_FAILED_REFUNDED:
-        return 'Failed, refunded'
+        return "Failed, refunded"
     if state == BidStates.XMR_SWAP_FAILED_SWIPED:
-        return 'Failed, swiped'
+        return "Failed, swiped"
     if state == BidStates.XMR_SWAP_FAILED:
-        return 'Failed'
+        return "Failed"
     if state == BidStates.SWAP_DELAYING:
-        return 'Delaying'
+        return "Delaying"
     if state == BidStates.XMR_SWAP_MSG_SCRIPT_LOCK_TX_SIGS:
-        return 'Exchanged script lock tx sigs msg'
+        return "Exchanged script lock tx sigs msg"
     if state == BidStates.XMR_SWAP_MSG_SCRIPT_LOCK_SPEND_TX:
-        return 'Exchanged script lock spend tx msg'
+        return "Exchanged script lock spend tx msg"
     if state == BidStates.BID_REQUEST_SENT:
-        return 'Request sent'
+        return "Request sent"
     if state == BidStates.BID_REQUEST_ACCEPTED:
-        return 'Request accepted'
+        return "Request accepted"
     if state == BidStates.BID_STATE_UNKNOWN:
-        return 'Unknown bid state'
+        return "Unknown bid state"
     if state == BidStates.BID_EXPIRED:
-        return 'Expired'
-    return 'Unknown' + ' ' + str(state)
+        return "Expired"
+    if state == BidStates.BID_AACCEPT_DELAY:
+        return "Auto accept delay"
+    if state == BidStates.BID_AACCEPT_FAIL:
+        return "Auto accept failed"
+    return "Unknown" + " " + str(state)
 
 
 def strTxState(state):
     if state == TxStates.TX_NONE:
-        return 'None'
+        return "None"
     if state == TxStates.TX_SENT:
-        return 'Sent'
+        return "Sent"
     if state == TxStates.TX_CONFIRMED:
-        return 'Confirmed'
+        return "Confirmed"
     if state == TxStates.TX_REDEEMED:
-        return 'Redeemed'
+        return "Redeemed"
     if state == TxStates.TX_REFUNDED:
-        return 'Refunded'
+        return "Refunded"
     if state == TxStates.TX_IN_MEMPOOL:
-        return 'In Mempool'
+        return "In Mempool"
     if state == TxStates.TX_IN_CHAIN:
-        return 'In Chain'
-    return 'Unknown'
+        return "In Chain"
+    return "Unknown"
 
 
 def strTxType(tx_type):
     if tx_type == TxTypes.XMR_SWAP_A_LOCK:
-        return 'Chain A Lock Tx'
+        return "Chain A Lock Tx"
     if tx_type == TxTypes.XMR_SWAP_A_LOCK_SPEND:
-        return 'Chain A Lock Spend Tx'
+        return "Chain A Lock Spend Tx"
     if tx_type == TxTypes.XMR_SWAP_A_LOCK_REFUND:
-        return 'Chain A Lock Refund Tx'
+        return "Chain A Lock Refund Tx"
     if tx_type == TxTypes.XMR_SWAP_A_LOCK_REFUND_SPEND:
-        return 'Chain A Lock Refund Spend Tx'
+        return "Chain A Lock Refund Spend Tx"
     if tx_type == TxTypes.XMR_SWAP_A_LOCK_REFUND_SWIPE:
-        return 'Chain A Lock Refund Swipe Tx'
+        return "Chain A Lock Refund Swipe Tx"
     if tx_type == TxTypes.XMR_SWAP_B_LOCK:
-        return 'Chain B Lock Tx'
+        return "Chain B Lock Tx"
     if tx_type == TxTypes.ITX_PRE_FUNDED:
-        return 'Funded mock initiate tx'
-    return 'Unknown'
+        return "Funded mock initiate Tx"
+    if tx_type == TxTypes.BCH_MERCY:
+        return "BCH Mercy Tx"
+    return "Unknown"
 
 
 def strAddressType(addr_type):
     if addr_type == AddressTypes.OFFER:
-        return 'Offer'
+        return "Offer"
     if addr_type == AddressTypes.BID:
-        return 'Bid'
+        return "Bid"
     if addr_type == AddressTypes.RECV_OFFER:
-        return 'Offer recv'
+        return "Offer recv"
     if addr_type == AddressTypes.SEND_OFFER:
-        return 'Offer send'
-    return 'Unknown'
+        return "Offer send"
+    return "Unknown"
 
 
 def getLockName(lock_type):
     if lock_type == TxLockTypes.SEQUENCE_LOCK_BLOCKS:
-        return 'Sequence lock, blocks'
+        return "Sequence lock, blocks"
     if lock_type == TxLockTypes.SEQUENCE_LOCK_TIME:
-        return 'Sequence lock, time'
+        return "Sequence lock, time"
     if lock_type == TxLockTypes.ABS_LOCK_BLOCKS:
-        return 'blocks'
+        return "blocks"
     if lock_type == TxLockTypes.ABS_LOCK_TIME:
-        return 'time'
+        return "time"
 
 
 def describeEventEntry(event_type, event_msg):
     if event_type == EventLogTypes.FAILED_TX_B_LOCK_PUBLISH:
-        return 'Failed to publish lock tx B'
+        return "Failed to publish lock tx B"
     if event_type == EventLogTypes.LOCK_TX_A_PUBLISHED:
-        return 'Lock tx A published'
+        return "Lock tx A published"
     if event_type == EventLogTypes.LOCK_TX_B_PUBLISHED:
-        return 'Lock tx B published'
+        return "Lock tx B published"
     if event_type == EventLogTypes.FAILED_TX_B_SPEND:
-        return 'Failed to publish lock tx B spend: ' + event_msg
+        return "Failed to publish lock tx B spend: " + event_msg
     if event_type == EventLogTypes.LOCK_TX_A_SEEN:
-        return 'Lock tx A seen in chain'
+        return "Lock tx A seen in chain"
     if event_type == EventLogTypes.LOCK_TX_A_CONFIRMED:
-        return 'Lock tx A confirmed in chain'
+        return "Lock tx A confirmed in chain"
     if event_type == EventLogTypes.LOCK_TX_B_SEEN:
-        return 'Lock tx B seen in chain'
+        return "Lock tx B seen in chain"
     if event_type == EventLogTypes.LOCK_TX_B_CONFIRMED:
-        return 'Lock tx B confirmed in chain'
+        return "Lock tx B confirmed in chain"
     if event_type == EventLogTypes.LOCK_TX_B_IN_MEMPOOL:
-        return 'Lock tx B seen in mempool'
+        return "Lock tx B seen in mempool"
     if event_type == EventLogTypes.DEBUG_TWEAK_APPLIED:
-        return 'Debug tweak applied ' + event_msg
+        return "Debug tweak applied " + event_msg
     if event_type == EventLogTypes.FAILED_TX_B_REFUND:
-        return 'Failed to publish lock tx B refund'
+        return "Failed to publish lock tx B refund"
     if event_type == EventLogTypes.LOCK_TX_B_INVALID:
-        return 'Detected invalid lock Tx B'
+        return "Detected invalid lock Tx B"
     if event_type == EventLogTypes.LOCK_TX_A_REFUND_TX_PUBLISHED:
-        return 'Lock tx A refund tx published'
+        return "Lock tx A refund tx published"
     if event_type == EventLogTypes.LOCK_TX_A_REFUND_SPEND_TX_PUBLISHED:
-        return 'Lock tx A refund spend tx published'
+        return "Lock tx A refund spend tx published"
     if event_type == EventLogTypes.LOCK_TX_A_REFUND_SWIPE_TX_PUBLISHED:
-        return 'Lock tx A refund swipe tx published'
+        return "Lock tx A refund swipe tx published"
     if event_type == EventLogTypes.LOCK_TX_B_REFUND_TX_PUBLISHED:
-        return 'Lock tx B refund tx published'
+        return "Lock tx B refund tx published"
     if event_type == EventLogTypes.LOCK_TX_A_SPEND_TX_PUBLISHED:
-        return 'Lock tx A spend tx published'
+        return "Lock tx A spend tx published"
     if event_type == EventLogTypes.LOCK_TX_B_SPEND_TX_PUBLISHED:
-        return 'Lock tx B spend tx published'
+        return "Lock tx B spend tx published"
     if event_type == EventLogTypes.LOCK_TX_A_REFUND_TX_SEEN:
-        return 'Lock tx A refund tx seen in chain'
+        return "Lock tx A refund tx seen in chain"
     if event_type == EventLogTypes.LOCK_TX_A_REFUND_SPEND_TX_SEEN:
-        return 'Lock tx A refund spend tx seen in chain'
+        return "Lock tx A refund spend tx seen in chain"
     if event_type == EventLogTypes.SYSTEM_WARNING:
-        return 'Warning: ' + event_msg
+        return "Warning: " + event_msg
     if event_type == EventLogTypes.ERROR:
-        return 'Error: ' + event_msg
+        return "Error: " + event_msg
     if event_type == EventLogTypes.AUTOMATION_CONSTRAINT:
-        return 'Failed auto accepting'
+        return "Failed auto accepting"
     if event_type == EventLogTypes.AUTOMATION_ACCEPTING_BID:
-        return 'Auto accepting'
+        return "Auto accepting"
     if event_type == EventLogTypes.ITX_PUBLISHED:
-        return 'Initiate tx published'
+        return "Initiate tx published"
     if event_type == EventLogTypes.ITX_REDEEM_PUBLISHED:
-        return 'Initiate tx redeem tx published'
+        return "Initiate tx redeem tx published"
     if event_type == EventLogTypes.ITX_REFUND_PUBLISHED:
-        return 'Initiate tx refund tx published'
+        return "Initiate tx refund tx published"
     if event_type == EventLogTypes.PTX_PUBLISHED:
-        return 'Participate tx published'
+        return "Participate tx published"
     if event_type == EventLogTypes.PTX_REDEEM_PUBLISHED:
-        return 'Participate tx redeem tx published'
+        return "Participate tx redeem tx published"
     if event_type == EventLogTypes.PTX_REFUND_PUBLISHED:
-        return 'Participate tx refund tx published'
+        return "Participate tx refund tx published"
+    if event_type == EventLogTypes.BCH_MERCY_TX_FOUND:
+        return "BCH mercy tx found"
+    if event_type == EventLogTypes.BCH_MERCY_TX_PUBLISHED:
+        return "Lock tx B mercy tx published"
 
 
 def getVoutByAddress(txjs, p2sh):
-    for o in txjs['vout']:
+    for o in txjs["vout"]:
         try:
-            if 'address' in o['scriptPubKey'] and o['scriptPubKey']['address'] == p2sh:
-                return o['n']
-            if p2sh in o['scriptPubKey']['addresses']:
-                return o['n']
+            if "address" in o["scriptPubKey"] and o["scriptPubKey"]["address"] == p2sh:
+                return o["n"]
+            if p2sh in o["scriptPubKey"]["addresses"]:
+                return o["n"]
         except Exception:
             pass
-    raise ValueError('Address output not found in txn')
+    raise ValueError("Address output not found in txn")
 
 
 def getVoutByScriptPubKey(txjs, scriptPubKey_hex: str) -> int:
-    for o in txjs['vout']:
+    for o in txjs["vout"]:
         try:
-            if scriptPubKey_hex == o['scriptPubKey']['hex']:
-                return o['n']
+            if scriptPubKey_hex == o["scriptPubKey"]["hex"]:
+                return o["n"]
         except Exception:
             pass
-    raise ValueError('scriptPubKey output not found in txn')
+    raise ValueError("scriptPubKey output not found in txn")
 
 
-def replaceAddrPrefix(addr, coin_type, chain_name, addr_type='pubkey_address'):
-    return encodeAddress(bytes((chainparams[coin_type][chain_name][addr_type],)) + decodeAddress(addr)[1:])
+def replaceAddrPrefix(addr, coin_type, chain_name, addr_type="pubkey_address"):
+    return encodeAddress(
+        bytes((chainparams[coin_type][chain_name][addr_type],))
+        + decodeAddress(addr)[1:]
+    )
 
 
 def getOfferProofOfFundsHash(offer_msg, offer_addr):
     # TODO: Hash must not include proof_of_funds sig if it exists in offer_msg
     h = hashlib.sha256()
-    h.update(offer_addr.encode('utf-8'))
-    offer_bytes = offer_msg.SerializeToString()
+    h.update(offer_addr.encode("utf-8"))
+    offer_bytes = offer_msg.to_bytes()
     h.update(offer_bytes)
     return h.digest()
 
@@ -482,33 +512,73 @@ 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):
+def strSwapType(swap_type) -> str:
     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):
+def strSwapDesc(swap_type) -> str:
     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]
+def fiatTicker(fiat_ind: int) -> str:
+    try:
+        return Fiat(fiat_ind).name
+    except Exception as e:  # noqa: F841
+        raise ValueError(f"Unknown fiat ind {fiat_ind}")
+
+
+def fiatFromTicker(ticker: str) -> int:
+    ticker_uc = ticker.upper()
+    for entry in Fiat:
+        if entry.name == ticker_uc:
+            return entry
+    raise ValueError(f"Unknown fiat {ticker}")
+
+
+def get_api_key_setting(
+    settings, setting_name: str, default_value: str = "", escape: bool = False
+):
+    setting_name_enc: str = setting_name + "_enc"
+    if setting_name_enc in settings:
+        rv = bytes.fromhex(settings[setting_name_enc]).decode("utf-8")
+        return html_escape(rv) if escape else rv
+    return settings.get(setting_name, default_value)
+
+
+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 +1,661 @@
+#!/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 in (Coins.BTC, Coins.NMC)
+    ):
+        port: int = coin_settings.get("port", 8333)
+        extra_args.append(f"--bind=0.0.0.0:{port}")
+    return extra_args
+
+
+def runClient(
+    data_dir: str, chain: str, start_only_coins: bool, log_prefix: str = "BasicSwap"
+) -> int:
+    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(data_dir, settings, chain, log_name=log_prefix)
+    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(f"Started {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(
+                    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(f"Interrupting {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}")
+
+    fail_code: int = swap_client.fail_code
+    del swap_client
+
+    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)
+
+    return fail_code
+
+
+def printVersion():
+    logger.info(
+        f"Basicswap version: {__version__}",
+    )
+
+
+def printHelp():
+    print("Usage: basicswap-run ")
+    print("\n--help, -h               Print help.")
+    print("--version, -v            Print version.")
+    print(
+        f"--datadir=PATH           Path to basicswap data directory, default:{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."
+    )
+    print("--logprefix              Specify log prefix.")
+
+
+def main():
+    data_dir = None
+    chain = "mainnet"
+    start_only_coins = set()
+    log_prefix: str = "BasicSwap"
+
+    for v in sys.argv[1:]:
+        if len(v) < 2 or v[0] != "-":
+            logger.warning(f"Unknown argument {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 == "logprefix":
+                log_prefix = 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(f"Unknown argument {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(f"Using datadir: {data_dir}")
+    logger.info(f"Chain: {chain}")
+
+    if not os.path.exists(data_dir):
+        os.makedirs(data_dir)
+
+    logger.info(os.path.basename(sys.argv[0]) + ", version: " + __version__ + "\n\n")
+    fail_code = runClient(data_dir, chain, start_only_coins, log_prefix)
+
+    print("Done.")
+    return fail_code
+
+
+if __name__ == "__main__":
+    main()

basicswap/chainparams.py

@@ -1,475 +1,573 @@
 # -*- coding: utf-8 -*-
 
-# Copyright (c) 2019-2023 tecnovert
+# 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 threading
-
 from enum import IntEnum
 from .util import (
     COIN,
-    make_int,
-    format_amount,
-    TemporaryError,
 )
 
-XMR_COIN = 10 ** 12
+XMR_COIN = 10**12
+WOW_COIN = 10**11
 
 
 class Coins(IntEnum):
     PART = 1
     BTC = 2
     LTC = 3
-    # DCR = 4
+    DCR = 4
     NMC = 5
     XMR = 6
     PART_BLIND = 7
     PART_ANON = 8
-    # ZANO = 9
+    WOW = 9
     # NDAU = 10
     PIVX = 11
     DASH = 12
     FIRO = 13
     NAV = 14
     LTC_MWEB = 15
+    # ZANO = 16
+    BCH = 17
+    DOGE = 18
+
+
+class Fiat(IntEnum):
+    USD = -1
+    GBP = -2
+    EUR = -3
 
 
 chainparams = {
     Coins.PART: {
-        'name': 'particl',
-        'ticker': 'PART',
-        'message_magic': 'Bitcoin Signed Message:\n',
-        'blocks_target': 60 * 2,
-        'decimal_places': 8,
-        'mainnet': {
-            'rpcport': 51735,
-            'pubkey_address': 0x38,
-            'script_address': 0x3c,
-            'key_prefix': 0x6c,
-            'stealth_key_prefix': 0x14,
-            'hrp': 'pw',
-            'bip44': 44,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
+        "name": "particl",
+        "ticker": "PART",
+        "message_magic": "Bitcoin Signed Message:\n",
+        "blocks_target": 60 * 2,
+        "decimal_places": 8,
+        "mainnet": {
+            "rpcport": 51735,
+            "pubkey_address": 0x38,
+            "script_address": 0x3C,
+            "key_prefix": 0x6C,
+            "stealth_key_prefix": 0x14,
+            "hrp": "pw",
+            "bip44": 44,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+            "ext_public_key_prefix": 0x696E82D1,
+            "ext_secret_key_prefix": 0x8F1DAEB8,
         },
-        'testnet': {
-            'rpcport': 51935,
-            'pubkey_address': 0x76,
-            'script_address': 0x7a,
-            'key_prefix': 0x2e,
-            'stealth_key_prefix': 0x15,
-            'hrp': 'tpw',
-            'bip44': 1,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
+        "testnet": {
+            "rpcport": 51935,
+            "pubkey_address": 0x76,
+            "script_address": 0x7A,
+            "key_prefix": 0x2E,
+            "stealth_key_prefix": 0x15,
+            "hrp": "tpw",
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+            "ext_public_key_prefix": 0xE1427800,
+            "ext_secret_key_prefix": 0x04889478,
+        },
+        "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,
+            "ext_public_key_prefix": 0xE1427800,
+            "ext_secret_key_prefix": 0x04889478,
         },
-        'regtest': {
-            'rpcport': 51936,
-            'pubkey_address': 0x76,
-            'script_address': 0x7a,
-            'key_prefix': 0x2e,
-            'stealth_key_prefix': 0x15,
-            'hrp': 'rtpw',
-            'bip44': 1,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
-        }
     },
     Coins.BTC: {
-        'name': 'bitcoin',
-        'ticker': 'BTC',
-        'message_magic': 'Bitcoin Signed Message:\n',
-        'blocks_target': 60 * 10,
-        'decimal_places': 8,
-        'mainnet': {
-            'rpcport': 8332,
-            'pubkey_address': 0,
-            'script_address': 5,
-            'key_prefix': 128,
-            'hrp': 'bc',
-            'bip44': 0,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
+        "name": "bitcoin",
+        "ticker": "BTC",
+        "message_magic": "Bitcoin Signed Message:\n",
+        "blocks_target": 60 * 10,
+        "decimal_places": 8,
+        "mainnet": {
+            "rpcport": 8332,
+            "pubkey_address": 0,
+            "script_address": 5,
+            "key_prefix": 128,
+            "hrp": "bc",
+            "bip44": 0,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+            "ext_public_key_prefix": 0x0488B21E,
+            "ext_secret_key_prefix": 0x0488ADE4,
         },
-        'testnet': {
-            'rpcport': 18332,
-            'pubkey_address': 111,
-            'script_address': 196,
-            'key_prefix': 239,
-            'hrp': 'tb',
-            'bip44': 1,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
-            'name': 'testnet3',
+        "testnet": {
+            "rpcport": 18332,
+            "pubkey_address": 111,
+            "script_address": 196,
+            "key_prefix": 239,
+            "hrp": "tb",
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+            "name": "testnet3",
+            "ext_public_key_prefix": 0x043587CF,
+            "ext_secret_key_prefix": 0x04358394,
+        },
+        "regtest": {
+            "rpcport": 18443,
+            "pubkey_address": 111,
+            "script_address": 196,
+            "key_prefix": 239,
+            "hrp": "bcrt",
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+            "ext_public_key_prefix": 0x043587CF,
+            "ext_secret_key_prefix": 0x04358394,
         },
-        'regtest': {
-            'rpcport': 18443,
-            'pubkey_address': 111,
-            'script_address': 196,
-            'key_prefix': 239,
-            'hrp': 'bcrt',
-            'bip44': 1,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
-        }
     },
     Coins.LTC: {
-        'name': 'litecoin',
-        'ticker': 'LTC',
-        'message_magic': 'Litecoin Signed Message:\n',
-        'blocks_target': 60 * 1,
-        'decimal_places': 8,
-        'mainnet': {
-            'rpcport': 9332,
-            'pubkey_address': 48,
-            'script_address': 5,
-            'script_address2': 50,
-            'key_prefix': 176,
-            'hrp': 'ltc',
-            'bip44': 2,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
+        "name": "litecoin",
+        "ticker": "LTC",
+        "message_magic": "Litecoin Signed Message:\n",
+        "blocks_target": 60 * 1,
+        "decimal_places": 8,
+        "mainnet": {
+            "rpcport": 9332,
+            "pubkey_address": 48,
+            "script_address": 5,
+            "script_address2": 50,
+            "key_prefix": 176,
+            "hrp": "ltc",
+            "bip44": 2,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
         },
-        'testnet': {
-            'rpcport': 19332,
-            'pubkey_address': 111,
-            'script_address': 196,
-            'script_address2': 58,
-            'key_prefix': 239,
-            'hrp': 'tltc',
-            'bip44': 1,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
-            'name': 'testnet4',
+        "testnet": {
+            "rpcport": 19332,
+            "pubkey_address": 111,
+            "script_address": 196,
+            "script_address2": 58,
+            "key_prefix": 239,
+            "hrp": "tltc",
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+            "name": "testnet4",
+        },
+        "regtest": {
+            "rpcport": 19443,
+            "pubkey_address": 111,
+            "script_address": 196,
+            "script_address2": 58,
+            "key_prefix": 239,
+            "hrp": "rltc",
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+        },
+    },
+    Coins.DOGE: {
+        "name": "dogecoin",
+        "ticker": "DOGE",
+        "message_magic": "Dogecoin Signed Message:\n",
+        "blocks_target": 60 * 1,
+        "decimal_places": 8,
+        "mainnet": {
+            "rpcport": 22555,
+            "pubkey_address": 30,
+            "script_address": 22,
+            "key_prefix": 158,
+            "hrp": "doge",
+            "bip44": 3,
+            "min_amount": 100000,  # TODO increase above fee
+            "max_amount": 10000000 * COIN,
+        },
+        "testnet": {
+            "rpcport": 44555,
+            "pubkey_address": 113,
+            "script_address": 196,
+            "key_prefix": 241,
+            "hrp": "tdge",
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+            "name": "testnet4",
+        },
+        "regtest": {
+            "rpcport": 18332,
+            "pubkey_address": 111,
+            "script_address": 196,
+            "key_prefix": 239,
+            "hrp": "rdge",
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+        },
+    },
+    Coins.DCR: {
+        "name": "decred",
+        "ticker": "DCR",
+        "message_magic": "Decred Signed Message:\n",
+        "blocks_target": 60 * 5,
+        "decimal_places": 8,
+        "has_multiwallet": False,
+        "mainnet": {
+            "rpcport": 9109,
+            "pubkey_address": 0x073F,
+            "script_address": 0x071A,
+            "key_prefix": 0x22DE,
+            "bip44": 42,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+        },
+        "testnet": {
+            "rpcport": 19109,
+            "pubkey_address": 0x0F21,
+            "script_address": 0x0EFC,
+            "key_prefix": 0x230E,
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+            "name": "testnet3",
+        },
+        "regtest": {  # simnet
+            "rpcport": 18656,
+            "pubkey_address": 0x0E91,
+            "script_address": 0x0E6C,
+            "key_prefix": 0x2307,
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
         },
-        'regtest': {
-            '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.NMC: {
-        'name': 'namecoin',
-        'ticker': 'NMC',
-        'message_magic': 'Namecoin Signed Message:\n',
-        'blocks_target': 60 * 10,
-        'decimal_places': 8,
-        'mainnet': {
-            'rpcport': 8336,
-            'pubkey_address': 52,
-            'script_address': 13,
-            'hrp': 'nc',
-            'bip44': 7,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
+        "name": "namecoin",
+        "ticker": "NMC",
+        "message_magic": "Namecoin Signed Message:\n",
+        "blocks_target": 60 * 10,
+        "decimal_places": 8,
+        "mainnet": {
+            "rpcport": 8336,
+            "pubkey_address": 52,
+            "script_address": 13,
+            "key_prefix": 180,
+            "hrp": "nc",
+            "bip44": 7,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+            "ext_public_key_prefix": 0x0488B21E,  # base58Prefixes[EXT_PUBLIC_KEY]
+            "ext_secret_key_prefix": 0x0488ADE4,
         },
-        'testnet': {
-            'rpcport': 18336,
-            'pubkey_address': 111,
-            'script_address': 196,
-            'hrp': 'tn',
-            'bip44': 1,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
-            'name': 'testnet3',
+        "testnet": {
+            "rpcport": 18336,
+            "pubkey_address": 111,
+            "script_address": 196,
+            "key_prefix": 239,
+            "hrp": "tn",
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+            "name": "testnet3",
+            "ext_public_key_prefix": 0x043587CF,
+            "ext_secret_key_prefix": 0x04358394,
+        },
+        "regtest": {
+            "rpcport": 18443,
+            "pubkey_address": 111,
+            "script_address": 196,
+            "key_prefix": 239,
+            "hrp": "ncrt",
+            "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,
-            'hrp': 'ncrt',
-            'bip44': 1,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
-        }
     },
     Coins.XMR: {
-        'name': 'monero',
-        'ticker': 'XMR',
-        'client': 'xmr',
-        'decimal_places': 12,
-        'mainnet': {
-            'rpcport': 18081,
-            'walletrpcport': 18082,
-            'min_amount': 100000,
-            'max_amount': 10000 * XMR_COIN,
-            'address_prefix': 18,
+        "name": "monero",
+        "ticker": "XMR",
+        "client": "xmr",
+        "decimal_places": 12,
+        "mainnet": {
+            "rpcport": 18081,
+            "walletrpcport": 18082,
+            "min_amount": 1000000000,
+            "max_amount": 10000000 * XMR_COIN,
+            "address_prefix": 18,
         },
-        'testnet': {
-            'rpcport': 28081,
-            'walletrpcport': 28082,
-            'min_amount': 100000,
-            'max_amount': 10000 * XMR_COIN,
-            'address_prefix': 18,
+        "testnet": {
+            "rpcport": 28081,
+            "walletrpcport": 28082,
+            "min_amount": 1000000000,
+            "max_amount": 10000000 * XMR_COIN,
+            "address_prefix": 18,
+        },
+        "regtest": {
+            "rpcport": 18081,
+            "walletrpcport": 18082,
+            "min_amount": 1000000000,
+            "max_amount": 10000000 * XMR_COIN,
+            "address_prefix": 18,
+        },
+    },
+    Coins.WOW: {
+        "name": "wownero",
+        "ticker": "WOW",
+        "client": "wow",
+        "decimal_places": 11,
+        "mainnet": {
+            "rpcport": 34568,
+            "walletrpcport": 34572,  # todo
+            "min_amount": 100000000,
+            "max_amount": 10000000 * WOW_COIN,
+            "address_prefix": 4146,
+        },
+        "testnet": {
+            "rpcport": 44568,
+            "walletrpcport": 44572,
+            "min_amount": 100000000,
+            "max_amount": 10000000 * WOW_COIN,
+            "address_prefix": 4146,
+        },
+        "regtest": {
+            "rpcport": 54568,
+            "walletrpcport": 54572,
+            "min_amount": 100000000,
+            "max_amount": 10000000 * WOW_COIN,
+            "address_prefix": 4146,
         },
-        'regtest': {
-            'rpcport': 18081,
-            'walletrpcport': 18082,
-            'min_amount': 100000,
-            'max_amount': 10000 * XMR_COIN,
-            'address_prefix': 18,
-        }
     },
     Coins.PIVX: {
-        'name': 'pivx',
-        'ticker': 'PIVX',
-        'message_magic': 'DarkNet Signed Message:\n',
-        'blocks_target': 60 * 1,
-        'decimal_places': 8,
-        'has_cltv': True,
-        'has_csv': False,
-        'has_segwit': False,
-        'use_ticker_as_name': True,
-        'mainnet': {
-            'rpcport': 51473,
-            'pubkey_address': 30,
-            'script_address': 13,
-            'key_prefix': 212,
-            'bip44': 119,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
+        "name": "pivx",
+        "ticker": "PIVX",
+        "display_name": "PIVX",
+        "message_magic": "DarkNet Signed Message:\n",
+        "blocks_target": 60 * 1,
+        "decimal_places": 8,
+        "has_cltv": True,
+        "has_csv": False,
+        "has_segwit": False,
+        "mainnet": {
+            "rpcport": 51473,
+            "pubkey_address": 30,
+            "script_address": 13,
+            "key_prefix": 212,
+            "bip44": 119,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
         },
-        'testnet': {
-            'rpcport': 51475,
-            'pubkey_address': 139,
-            'script_address': 19,
-            'key_prefix': 239,
-            'bip44': 1,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
-            'name': 'testnet4',
+        "testnet": {
+            "rpcport": 51475,
+            "pubkey_address": 139,
+            "script_address": 19,
+            "key_prefix": 239,
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+            "name": "testnet4",
+        },
+        "regtest": {
+            "rpcport": 51477,
+            "pubkey_address": 139,
+            "script_address": 19,
+            "key_prefix": 239,
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
         },
-        'regtest': {
-            'rpcport': 51477,
-            'pubkey_address': 139,
-            'script_address': 19,
-            'key_prefix': 239,
-            'bip44': 1,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
-        }
     },
     Coins.DASH: {
-        'name': 'dash',
-        'ticker': 'DASH',
-        'message_magic': 'DarkCoin Signed Message:\n',
-        'blocks_target': 60 * 2.5,
-        'decimal_places': 8,
-        'has_csv': True,
-        'has_segwit': False,
-        'mainnet': {
-            'rpcport': 9998,
-            'pubkey_address': 76,
-            'script_address': 16,
-            'key_prefix': 204,
-            'hrp': '',
-            'bip44': 5,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
+        "name": "dash",
+        "ticker": "DASH",
+        "message_magic": "DarkCoin Signed Message:\n",
+        "blocks_target": 60 * 2.5,
+        "decimal_places": 8,
+        "has_csv": True,
+        "has_segwit": False,
+        "mainnet": {
+            "rpcport": 9998,
+            "pubkey_address": 76,
+            "script_address": 16,
+            "key_prefix": 204,
+            "hrp": "",
+            "bip44": 5,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
         },
-        'testnet': {
-            'rpcport': 19998,
-            'pubkey_address': 140,
-            'script_address': 19,
-            'key_prefix': 239,
-            'hrp': '',
-            'bip44': 1,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
+        "testnet": {
+            "rpcport": 19998,
+            "pubkey_address": 140,
+            "script_address": 19,
+            "key_prefix": 239,
+            "hrp": "",
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+        },
+        "regtest": {
+            "rpcport": 18332,
+            "pubkey_address": 140,
+            "script_address": 19,
+            "key_prefix": 239,
+            "hrp": "",
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
         },
-        'regtest': {
-            'rpcport': 18332,
-            'pubkey_address': 140,
-            'script_address': 19,
-            'key_prefix': 239,
-            'hrp': '',
-            'bip44': 1,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
-        }
     },
     Coins.FIRO: {
-        'name': 'firo',
-        'ticker': 'FIRO',
-        'message_magic': 'Zcoin Signed Message:\n',
-        'blocks_target': 60 * 10,
-        'decimal_places': 8,
-        'has_cltv': False,
-        'has_csv': False,
-        'has_segwit': False,
-        'mainnet': {
-            'rpcport': 8888,
-            'pubkey_address': 82,
-            'script_address': 7,
-            'key_prefix': 210,
-            'hrp': '',
-            'bip44': 136,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
+        "name": "firo",
+        "ticker": "FIRO",
+        "message_magic": "Zcoin Signed Message:\n",
+        "blocks_target": 60 * 10,
+        "decimal_places": 8,
+        "has_cltv": False,
+        "has_csv": False,
+        "has_segwit": False,
+        "has_multiwallet": False,
+        "mainnet": {
+            "rpcport": 8888,
+            "pubkey_address": 82,
+            "script_address": 7,
+            "key_prefix": 210,
+            "hrp": "",
+            "bip44": 136,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
         },
-        'testnet': {
-            'rpcport': 18888,
-            'pubkey_address': 65,
-            'script_address': 178,
-            'key_prefix': 185,
-            'hrp': '',
-            'bip44': 1,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
+        "testnet": {
+            "rpcport": 18888,
+            "pubkey_address": 65,
+            "script_address": 178,
+            "key_prefix": 185,
+            "hrp": "",
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+        },
+        "regtest": {
+            "rpcport": 28888,
+            "pubkey_address": 65,
+            "script_address": 178,
+            "key_prefix": 239,
+            "hrp": "",
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
         },
-        'regtest': {
-            'rpcport': 28888,
-            'pubkey_address': 65,
-            'script_address': 178,
-            'key_prefix': 239,
-            'hrp': '',
-            'bip44': 1,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
-        }
     },
     Coins.NAV: {
-        'name': 'navcoin',
-        'ticker': 'NAV',
-        'message_magic': 'Navcoin Signed Message:\n',
-        'blocks_target': 30,
-        'decimal_places': 8,
-        'has_csv': True,
-        'has_segwit': True,
-        'mainnet': {
-            'rpcport': 44444,
-            'pubkey_address': 53,
-            'script_address': 85,
-            'key_prefix': 150,
-            'hrp': '',
-            'bip44': 130,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
+        "name": "navcoin",
+        "ticker": "NAV",
+        "message_magic": "Navcoin Signed Message:\n",
+        "blocks_target": 30,
+        "decimal_places": 8,
+        "has_csv": True,
+        "has_segwit": True,
+        "has_multiwallet": False,
+        "mainnet": {
+            "rpcport": 44444,
+            "pubkey_address": 53,
+            "script_address": 85,
+            "key_prefix": 150,
+            "hrp": "",
+            "bip44": 130,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
         },
-        'testnet': {
-            'rpcport': 44445,
-            'pubkey_address': 111,
-            'script_address': 196,
-            'key_prefix': 239,
-            'hrp': '',
-            'bip44': 1,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
+        "testnet": {
+            "rpcport": 44445,
+            "pubkey_address": 111,
+            "script_address": 196,
+            "key_prefix": 239,
+            "hrp": "",
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
         },
-        'regtest': {
-            'rpcport': 44446,
-            'pubkey_address': 111,
-            'script_address': 196,
-            'key_prefix': 239,
-            'hrp': '',
-            'bip44': 1,
-            'min_amount': 1000,
-            'max_amount': 100000 * COIN,
-        }
-    }
+        "regtest": {
+            "rpcport": 44446,
+            "pubkey_address": 111,
+            "script_address": 196,
+            "key_prefix": 239,
+            "hrp": "",
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+        },
+    },
+    Coins.BCH: {
+        "name": "bitcoincash",
+        "ticker": "BCH",
+        "display_name": "Bitcoin Cash",
+        "message_magic": "Bitcoin Signed Message:\n",
+        "blocks_target": 60 * 2,
+        "decimal_places": 8,
+        "has_cltv": True,
+        "has_csv": True,
+        "has_segwit": False,
+        "cli_binname": "bitcoin-cli",
+        "core_binname": "bitcoind",
+        "mainnet": {
+            "rpcport": 8332,
+            "pubkey_address": 0,
+            "script_address": 5,
+            "key_prefix": 128,
+            "hrp": "bitcoincash",
+            "bip44": 0,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+        },
+        "testnet": {
+            "rpcport": 18332,
+            "pubkey_address": 111,
+            "script_address": 196,
+            "key_prefix": 239,
+            "hrp": "bchtest",
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+            "name": "testnet3",
+        },
+        "regtest": {
+            "rpcport": 18443,
+            "pubkey_address": 111,
+            "script_address": 196,
+            "key_prefix": 239,
+            "hrp": "bchreg",
+            "bip44": 1,
+            "min_amount": 100000,
+            "max_amount": 10000000 * COIN,
+        },
+    },
 }
+
+name_map = {}
 ticker_map = {}
 
 
 for c, params in chainparams.items():
-    ticker_map[params['ticker'].lower()] = c
+    name_map[params["name"].lower()] = c
+    ticker_map[params["ticker"].lower()] = c
 
 
-def getCoinIdFromTicker(ticker):
+def getCoinIdFromTicker(ticker: str) -> str:
     try:
         return ticker_map[ticker.lower()]
     except Exception:
-        raise ValueError('Unknown coin')
+        raise ValueError(f"Unknown coin {ticker}")
 
 
-class CoinInterface:
-    def __init__(self, network):
-        self.setDefaults()
-        self._network = network
-        self._mx_wallet = threading.Lock()
-
-    def setDefaults(self):
-        self._unknown_wallet_seed = True
-        self._restore_height = None
-
-    def make_int(self, amount_in: int, r: int = 0) -> int:
-        return make_int(amount_in, self.exp(), r=r)
-
-    def format_amount(self, amount_in, conv_int=False, r=0):
-        amount_int = make_int(amount_in, self.exp(), r=r) if conv_int else amount_in
-        return format_amount(amount_int, self.exp())
-
-    def coin_name(self) -> str:
-        coin_chainparams = chainparams[self.coin_type()]
-        if coin_chainparams.get('use_ticker_as_name', False):
-            return coin_chainparams['ticker']
-        return coin_chainparams['name'].capitalize()
-
-    def ticker(self) -> str:
-        ticker = chainparams[self.coin_type()]['ticker']
-        if self._network == 'testnet':
-            ticker = 't' + ticker
-        elif self._network == 'regtest':
-            ticker = 'rt' + ticker
-        return ticker
-
-    def getExchangeTicker(self, exchange_name: str) -> str:
-        return chainparams[self.coin_type()]['ticker']
-
-    def getExchangeName(self, exchange_name: str) -> str:
-        return chainparams[self.coin_type()]['name']
-
-    def ticker_mainnet(self) -> str:
-        ticker = chainparams[self.coin_type()]['ticker']
-        return ticker
-
-    def min_amount(self) -> int:
-        return chainparams[self.coin_type()][self._network]['min_amount']
-
-    def max_amount(self) -> int:
-        return chainparams[self.coin_type()][self._network]['max_amount']
-
-    def setWalletSeedWarning(self, value: bool) -> None:
-        self._unknown_wallet_seed = value
-
-    def setWalletRestoreHeight(self, value: int) -> None:
-        self._restore_height = value
-
-    def knownWalletSeed(self) -> bool:
-        return not self._unknown_wallet_seed
-
-    def chainparams(self):
-        return chainparams[self.coin_type()]
-
-    def chainparams_network(self):
-        return chainparams[self.coin_type()][self._network]
-
-    def has_segwit(self) -> bool:
-        return chainparams[self.coin_type()].get('has_segwit', True)
-
-    def is_transient_error(self, ex) -> bool:
-        if isinstance(ex, TemporaryError):
-            return True
-        str_error: str = str(ex).lower()
-        if 'not enough unlocked money' in str_error:
-            return True
-        if 'no unlocked balance' in str_error:
-            return True
-        if 'transaction was rejected by daemon' in str_error:
-            return True
-        if 'invalid unlocked_balance' in str_error:
-            return True
-        if 'daemon is busy' in str_error:
-            return True
-        if 'timed out' in str_error:
-            return True
-        if 'request-sent' in str_error:
-            return True
-        return False
+def getCoinIdFromName(name: str) -> str:
+    try:
+        return name_map[name.lower()]
+    except Exception:
+        raise ValueError(f"Unknown coin {name}")

basicswap/config.py

@@ -1,38 +1,49 @@
 # -*- coding: utf-8 -*-
 
-# Copyright (c) 2019-2023 tecnovert
+# Copyright (c) 2019-2025 The Basicswap developers
 # Distributed under the MIT software license, see the accompanying
 # file LICENSE or http://www.opensource.org/licenses/mit-license.php.
 
 import os
 
-CONFIG_FILENAME = 'basicswap.json'
-BASICSWAP_DATADIR = os.getenv('BASICSWAP_DATADIR', '~/.basicswap')
+CONFIG_FILENAME = "basicswap.json"
+BASICSWAP_DATADIR = os.getenv("BASICSWAP_DATADIR", os.path.join("~", ".basicswap"))
 DEFAULT_ALLOW_CORS = False
-TEST_DATADIRS = os.path.expanduser(os.getenv('DATADIRS', '/tmp/basicswap'))
-DEFAULT_TEST_BINDIR = os.path.expanduser(os.getenv('DEFAULT_TEST_BINDIR', '~/.basicswap/bin'))
+TEST_DATADIRS = os.path.expanduser(os.getenv("DATADIRS", "/tmp/basicswap"))
+DEFAULT_TEST_BINDIR = os.path.expanduser(
+    os.getenv("DEFAULT_TEST_BINDIR", os.path.join("~", ".basicswap", "bin"))
+)
 
-bin_suffix = ('.exe' if os.name == 'nt' else '')
-PARTICL_BINDIR = os.path.expanduser(os.getenv('PARTICL_BINDIR', os.path.join(DEFAULT_TEST_BINDIR, 'particl')))
-PARTICLD = os.getenv('PARTICLD', 'particld' + bin_suffix)
-PARTICL_CLI = os.getenv('PARTICL_CLI', 'particl-cli' + bin_suffix)
-PARTICL_TX = os.getenv('PARTICL_TX', 'particl-tx' + bin_suffix)
+bin_suffix = ".exe" if os.name == "nt" else ""
+PARTICL_BINDIR = os.path.expanduser(
+    os.getenv("PARTICL_BINDIR", os.path.join(DEFAULT_TEST_BINDIR, "particl"))
+)
+PARTICLD = os.getenv("PARTICLD", "particld" + bin_suffix)
+PARTICL_CLI = os.getenv("PARTICL_CLI", "particl-cli" + bin_suffix)
+PARTICL_TX = os.getenv("PARTICL_TX", "particl-tx" + bin_suffix)
 
-BITCOIN_BINDIR = os.path.expanduser(os.getenv('BITCOIN_BINDIR', os.path.join(DEFAULT_TEST_BINDIR, 'bitcoin')))
-BITCOIND = os.getenv('BITCOIND', 'bitcoind' + bin_suffix)
-BITCOIN_CLI = os.getenv('BITCOIN_CLI', 'bitcoin-cli' + bin_suffix)
-BITCOIN_TX = os.getenv('BITCOIN_TX', 'bitcoin-tx' + bin_suffix)
+BITCOIN_BINDIR = os.path.expanduser(
+    os.getenv("BITCOIN_BINDIR", os.path.join(DEFAULT_TEST_BINDIR, "bitcoin"))
+)
+BITCOIND = os.getenv("BITCOIND", "bitcoind" + bin_suffix)
+BITCOIN_CLI = os.getenv("BITCOIN_CLI", "bitcoin-cli" + bin_suffix)
+BITCOIN_TX = os.getenv("BITCOIN_TX", "bitcoin-tx" + bin_suffix)
 
-LITECOIN_BINDIR = os.path.expanduser(os.getenv('LITECOIN_BINDIR', os.path.join(DEFAULT_TEST_BINDIR, 'litecoin')))
-LITECOIND = os.getenv('LITECOIND', 'litecoind' + bin_suffix)
-LITECOIN_CLI = os.getenv('LITECOIN_CLI', 'litecoin-cli' + bin_suffix)
-LITECOIN_TX = os.getenv('LITECOIN_TX', 'litecoin-tx' + bin_suffix)
+LITECOIN_BINDIR = os.path.expanduser(
+    os.getenv("LITECOIN_BINDIR", os.path.join(DEFAULT_TEST_BINDIR, "litecoin"))
+)
+LITECOIND = os.getenv("LITECOIND", "litecoind" + bin_suffix)
+LITECOIN_CLI = os.getenv("LITECOIN_CLI", "litecoin-cli" + bin_suffix)
+LITECOIN_TX = os.getenv("LITECOIN_TX", "litecoin-tx" + bin_suffix)
 
-NAMECOIN_BINDIR = os.path.expanduser(os.getenv('NAMECOIN_BINDIR', os.path.join(DEFAULT_TEST_BINDIR, 'namecoin')))
-NAMECOIND = os.getenv('NAMECOIND', 'namecoind' + bin_suffix)
-NAMECOIN_CLI = os.getenv('NAMECOIN_CLI', 'namecoin-cli' + bin_suffix)
-NAMECOIN_TX = os.getenv('NAMECOIN_TX', 'namecoin-tx' + bin_suffix)
+DOGECOIND = os.getenv("DOGECOIND", "dogecoind" + bin_suffix)
+DOGECOIN_CLI = os.getenv("DOGECOIN_CLI", "dogecoin-cli" + bin_suffix)
+DOGECOIN_TX = os.getenv("DOGECOIN_TX", "dogecoin-tx" + bin_suffix)
 
-XMR_BINDIR = os.path.expanduser(os.getenv('XMR_BINDIR', os.path.join(DEFAULT_TEST_BINDIR, 'monero')))
-XMRD = os.getenv('XMRD', 'monerod' + bin_suffix)
-XMR_WALLET_RPC = os.getenv('XMR_WALLET_RPC', 'monero-wallet-rpc' + bin_suffix)
+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/blake256/__init__.py

@@ -0,0 +1 @@
+

basicswap/contrib/blake256/blake256.py

@@ -0,0 +1,533 @@
+
+
+intro = """
+    blake.py
+    version 5, 2-Apr-2014
+    
+    BLAKE is a SHA3 round-3 finalist designed and submitted by 
+    Jean-Philippe Aumasson et al.
+    
+    At the core of BLAKE is a ChaCha-like mixer, very similar 
+    to that found in the stream cipher, ChaCha8.  Besides being 
+    a very good mixer, ChaCha is fast.  
+    
+    References:
+      http://www.131002.net/blake/
+      http://csrc.nist.gov/groups/ST/hash/sha-3/index.html
+      http://en.wikipedia.org/wiki/BLAKE_(hash_function)
+    
+    This implementation assumes all data is in increments of 
+    whole bytes.  (The formal definition of BLAKE allows for 
+    hashing individual bits.)  Note too that this implementation 
+    does include the round-3 tweaks where the number of rounds 
+    was increased to 14/16 from 10/14.
+    
+    This version can be imported into both Python2 (2.6 and 2.7) 
+    and Python3 programs.  Python 2.5 requires an older version 
+    of blake.py (version 4).
+
+    Here are some comparative times for different versions of 
+    Python:
+
+      64-bit:
+        2.6         6.284s
+        2.7         6.343s
+        3.2         7.620s
+        pypy (2.7)  2.080s
+        
+      32-bit:
+        2.5 (32)   15.389s  (with psyco)
+        2.7-32     13.645s
+        3.2-32     12.574s
+
+    One test on a 2.0GHz Core 2 Duo of 10,000 iterations of 
+    BLAKE-256 on a short message produced a time of 5.7 seconds.  
+    Not bad, but if raw speed is what you want, look to the 
+    the C version.  It is 40x faster and did the same thing 
+    in 0.13 seconds.
+    
+        Copyright (c) 2009-2012 by Larry Bugbee, Kent, WA
+        ALL RIGHTS RESERVED.
+        
+        blake.py IS EXPERIMENTAL SOFTWARE FOR EDUCATIONAL
+        PURPOSES ONLY.  IT IS MADE AVAILABLE "AS-IS" WITHOUT 
+        WARRANTY OR GUARANTEE OF ANY KIND.  USE SIGNIFIES 
+        ACCEPTANCE OF ALL RISK.  
+
+    To make your learning and experimentation less cumbersome, 
+    blake.py is free for any use.      
+    
+    Enjoy,
+        
+    Larry Bugbee
+    March 2011
+    rev May 2011 - fixed Python version check (tx JP)
+    rev Apr 2012 - fixed an out-of-order bit set in final()
+                 - moved self-test to a separate test pgm
+                 - this now works with Python2 and Python3
+    rev Apr 2014 - added test and conversion of string input 
+                   to byte string in update() (tx Soham)
+                 - added hexdigest() method.
+                 - now support state 3 so only one call to 
+                   final() per instantiation is allowed.  all 
+                   subsequent calls to final(), digest() or 
+                   hexdigest() simply return the stored value.
+    
+"""
+
+import struct
+from binascii import hexlify, unhexlify
+
+#---------------------------------------------------------------
+
+class BLAKE(object):
+
+    # - - - - - - - - - - - - - - - - - - - - - - - - - - -
+    # initial values, constants and padding
+    
+    # IVx for BLAKE-x
+    
+    IV64 = [
+        0x6A09E667F3BCC908, 0xBB67AE8584CAA73B,
+        0x3C6EF372FE94F82B, 0xA54FF53A5F1D36F1,
+        0x510E527FADE682D1, 0x9B05688C2B3E6C1F,
+        0x1F83D9ABFB41BD6B, 0x5BE0CD19137E2179,
+    ]
+    
+    IV48 = [
+        0xCBBB9D5DC1059ED8, 0x629A292A367CD507,
+        0x9159015A3070DD17, 0x152FECD8F70E5939,
+        0x67332667FFC00B31, 0x8EB44A8768581511,
+        0xDB0C2E0D64F98FA7, 0x47B5481DBEFA4FA4,
+    ]
+    
+    # note: the values here are the same as the high-order 
+    #       half-words of IV64
+    IV32 = [
+        0x6A09E667, 0xBB67AE85,
+        0x3C6EF372, 0xA54FF53A,
+        0x510E527F, 0x9B05688C,
+        0x1F83D9AB, 0x5BE0CD19,
+    ]
+    
+    # note: the values here are the same as the low-order 
+    #       half-words of IV48
+    IV28 = [
+        0xC1059ED8, 0x367CD507,
+        0x3070DD17, 0xF70E5939,
+        0xFFC00B31, 0x68581511,
+        0x64F98FA7, 0xBEFA4FA4,
+    ]
+    
+    # constants for BLAKE-64 and BLAKE-48
+    C64 = [
+        0x243F6A8885A308D3, 0x13198A2E03707344,
+        0xA4093822299F31D0, 0x082EFA98EC4E6C89,
+        0x452821E638D01377, 0xBE5466CF34E90C6C,
+        0xC0AC29B7C97C50DD, 0x3F84D5B5B5470917,
+        0x9216D5D98979FB1B, 0xD1310BA698DFB5AC,
+        0x2FFD72DBD01ADFB7, 0xB8E1AFED6A267E96,
+        0xBA7C9045F12C7F99, 0x24A19947B3916CF7,
+        0x0801F2E2858EFC16, 0x636920D871574E69,
+    ]
+    
+    # constants for BLAKE-32 and BLAKE-28
+    # note: concatenate and the values are the same as the values 
+    #       for the 1st half of C64
+    C32 = [
+        0x243F6A88, 0x85A308D3,
+        0x13198A2E, 0x03707344,
+        0xA4093822, 0x299F31D0,
+        0x082EFA98, 0xEC4E6C89,
+        0x452821E6, 0x38D01377,
+        0xBE5466CF, 0x34E90C6C,
+        0xC0AC29B7, 0xC97C50DD,
+        0x3F84D5B5, 0xB5470917,
+    ]
+    
+    # the 10 permutations of:0,...15}
+    SIGMA = [
+        [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15],
+        [14,10, 4, 8, 9,15,13, 6, 1,12, 0, 2,11, 7, 5, 3],
+        [11, 8,12, 0, 5, 2,15,13,10,14, 3, 6, 7, 1, 9, 4],
+        [ 7, 9, 3, 1,13,12,11,14, 2, 6, 5,10, 4, 0,15, 8],
+        [ 9, 0, 5, 7, 2, 4,10,15,14, 1,11,12, 6, 8, 3,13],
+        [ 2,12, 6,10, 0,11, 8, 3, 4,13, 7, 5,15,14, 1, 9],
+        [12, 5, 1,15,14,13, 4,10, 0, 7, 6, 3, 9, 2, 8,11],
+        [13,11, 7,14,12, 1, 3, 9, 5, 0,15, 4, 8, 6, 2,10],
+        [ 6,15,14, 9,11, 3, 0, 8,12, 2,13, 7, 1, 4,10, 5],
+        [10, 2, 8, 4, 7, 6, 1, 5,15,11, 9,14, 3,12,13, 0],
+        [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15],
+        [14,10, 4, 8, 9,15,13, 6, 1,12, 0, 2,11, 7, 5, 3],
+        [11, 8,12, 0, 5, 2,15,13,10,14, 3, 6, 7, 1, 9, 4],
+        [ 7, 9, 3, 1,13,12,11,14, 2, 6, 5,10, 4, 0,15, 8],
+        [ 9, 0, 5, 7, 2, 4,10,15,14, 1,11,12, 6, 8, 3,13],
+        [ 2,12, 6,10, 0,11, 8, 3, 4,13, 7, 5,15,14, 1, 9],
+        [12, 5, 1,15,14,13, 4,10, 0, 7, 6, 3, 9, 2, 8,11],
+        [13,11, 7,14,12, 1, 3, 9, 5, 0,15, 4, 8, 6, 2,10],
+        [ 6,15,14, 9,11, 3, 0, 8,12, 2,13, 7, 1, 4,10, 5],
+        [10, 2, 8, 4, 7, 6, 1, 5,15,11, 9,14, 3,12,13, 0],
+    ]
+        
+    MASK32BITS = 0xFFFFFFFF
+    MASK64BITS = 0xFFFFFFFFFFFFFFFF
+    
+    # - - - - - - - - - - - - - - - - - - - - - - - - - - -
+    
+    def __init__(self, hashbitlen):
+        """
+          load the hashSate structure (copy hashbitlen...)
+          hashbitlen: length of the hash output
+        """
+        if hashbitlen not in [224, 256, 384, 512]:
+            raise Exception('hash length not 224, 256, 384 or 512')
+        
+        self.hashbitlen = hashbitlen
+        self.h     = [0]*8  # current chain value (initialized to the IV)
+        self.t     = 0      # number of *BITS* hashed so far
+        self.cache = b''    # cached leftover data not yet compressed
+        self.salt  = [0]*4  # salt (null by default)
+        self.state = 1      # set to 2 by update and 3 by final
+        self.nullt = 0      # Boolean value for special case \ell_i=0
+        
+        # The algorithm is the same for both the 32- and 64- versions 
+        # of BLAKE.  The difference is in word size (4 vs 8 bytes), 
+        # blocksize (64 vs 128 bytes), number of rounds (14 vs 16)
+        # and a few very specific constants.
+        if (hashbitlen == 224) or (hashbitlen == 256):
+            # setup for 32-bit words and 64-bit block
+            self.byte2int  = self._fourByte2int
+            self.int2byte  = self._int2fourByte
+            self.MASK      = self.MASK32BITS
+            self.WORDBYTES = 4
+            self.WORDBITS  = 32
+            self.BLKBYTES  = 64
+            self.BLKBITS   = 512
+            self.ROUNDS    = 14     # was 10 before round 3
+            self.cxx  = self.C32
+            self.rot1 = 16          # num bits to shift in G
+            self.rot2 = 12          # num bits to shift in G 
+            self.rot3 = 8           # num bits to shift in G 
+            self.rot4 = 7           # num bits to shift in G
+            self.mul  = 0   # for 32-bit words, 32<<self.mul where self.mul = 0
+            
+            # 224- and 256-bit versions (32-bit words)
+            if hashbitlen == 224:
+                self.h = self.IV28[:]
+            else:
+                self.h = self.IV32[:]
+    
+        elif (hashbitlen == 384) or (hashbitlen == 512):
+            # setup for 64-bit words and 128-bit block
+            self.byte2int  = self._eightByte2int
+            self.int2byte  = self._int2eightByte
+            self.MASK      = self.MASK64BITS
+            self.WORDBYTES = 8
+            self.WORDBITS  = 64
+            self.BLKBYTES  = 128
+            self.BLKBITS   = 1024
+            self.ROUNDS    = 16     # was 14 before round 3
+            self.cxx  = self.C64
+            self.rot1 = 32          # num bits to shift in G
+            self.rot2 = 25          # num bits to shift in G
+            self.rot3 = 16          # num bits to shift in G
+            self.rot4 = 11          # num bits to shift in G
+            self.mul  = 1   # for 64-bit words, 32<<self.mul where self.mul = 1
+            
+            # 384- and 512-bit versions (64-bit words)
+            if hashbitlen == 384:
+                self.h = self.IV48[:]
+            else:
+                self.h = self.IV64[:]
+    
+    # - - - - - - - - - - - - - - - - - - - - - - - - - - -
+    
+    def _compress(self, block):
+        byte2int = self.byte2int
+        mul      = self.mul       # de-reference these for  ...speed?  ;-)
+        cxx      = self.cxx
+        rot1     = self.rot1
+        rot2     = self.rot2
+        rot3     = self.rot3
+        rot4     = self.rot4
+        MASK     = self.MASK
+        WORDBITS = self.WORDBITS
+        SIGMA    = self.SIGMA
+        
+        # get message       (<<2 is the same as *4 but faster)
+        m = [byte2int(block[i<<2<<mul:(i<<2<<mul)+(4<<mul)]) for i in range(16)]        
+        
+        # initialization
+        v = [0]*16
+        v[ 0: 8] = [self.h[i] for i in range(8)]
+        v[ 8:16] = [self.cxx[i] for i in range(8)]
+        v[ 8:12] = [v[8+i] ^ self.salt[i] for i in range(4)]
+        if self.nullt == 0:        #    (i>>1 is the same as i/2 but faster)
+            v[12] = v[12] ^ (self.t & MASK)
+            v[13] = v[13] ^ (self.t & MASK)
+            v[14] = v[14] ^ (self.t >> self.WORDBITS)
+            v[15] = v[15] ^ (self.t >> self.WORDBITS)
+        
+        # - - - - - - - - - - - - - - - - -
+        # ready?  let's ChaCha!!!
+        
+        def G(a, b, c, d, i):
+            va = v[a]   # it's faster to deref and reref later
+            vb = v[b]
+            vc = v[c]
+            vd = v[d]
+            
+            sri  = SIGMA[round][i]
+            sri1 = SIGMA[round][i+1]
+            
+            va = ((va + vb) + (m[sri] ^ cxx[sri1]) ) & MASK
+            x  =  vd ^ va
+            vd = (x >> rot1) | ((x << (WORDBITS-rot1)) & MASK)
+            vc = (vc + vd) & MASK
+            x  =  vb ^ vc
+            vb = (x >> rot2) | ((x << (WORDBITS-rot2)) & MASK)
+            
+            va = ((va + vb) + (m[sri1] ^ cxx[sri]) ) & MASK
+            x  =  vd ^ va
+            vd = (x >> rot3) | ((x << (WORDBITS-rot3)) & MASK)
+            vc = (vc + vd) & MASK
+            x  =  vb ^ vc
+            vb = (x >> rot4) | ((x << (WORDBITS-rot4)) & MASK)
+            
+            v[a] = va
+            v[b] = vb
+            v[c] = vc
+            v[d] = vd
+            
+        for round in range(self.ROUNDS):
+            # column step
+            G( 0, 4, 8,12, 0)
+            G( 1, 5, 9,13, 2)
+            G( 2, 6,10,14, 4)
+            G( 3, 7,11,15, 6)
+            # diagonal step
+            G( 0, 5,10,15, 8)
+            G( 1, 6,11,12,10)
+            G( 2, 7, 8,13,12)
+            G( 3, 4, 9,14,14)
+        
+        # - - - - - - - - - - - - - - - - -
+        
+        # save current hash value   (use i&0x3 to get 0,1,2,3,0,1,2,3)
+        self.h = [self.h[i]^v[i]^v[i+8]^self.salt[i&0x3] 
+                                                for i in range(8)]
+    #    print 'self.h', [num2hex(h) for h in self.h]
+    
+    # - - - - - - - - - - - - - - - - - - - - - - - - - - -
+    
+    def addsalt(self, salt):
+        """ adds a salt to the hash function (OPTIONAL)
+            should be called AFTER Init, and BEFORE update
+            salt:  a bytestring, length determined by hashbitlen.
+                   if not of sufficient length, the bytestring 
+                   will be assumed to be a big endian number and 
+                   prefixed with an appropriate number of null 
+                   bytes, and if too large, only the low order 
+                   bytes will be used.
+            
+              if hashbitlen=224 or 256, then salt will be 16 bytes
+              if hashbitlen=384 or 512, then salt will be 32 bytes
+        """
+        # fail if addsalt() was not called at the right time
+        if self.state != 1:
+            raise Exception('addsalt() not called after init() and before update()')
+        # salt size is to be 4x word size
+        saltsize = self.WORDBYTES * 4
+        # if too short, prefix with null bytes.  if too long, 
+        # truncate high order bytes
+        if len(salt) < saltsize:
+            salt = (chr(0)*(saltsize-len(salt)) + salt)
+        else:
+            salt = salt[-saltsize:]
+        # prep the salt array
+        self.salt[0] = self.byte2int(salt[            : 4<<self.mul])
+        self.salt[1] = self.byte2int(salt[ 4<<self.mul: 8<<self.mul])
+        self.salt[2] = self.byte2int(salt[ 8<<self.mul:12<<self.mul])
+        self.salt[3] = self.byte2int(salt[12<<self.mul:            ])
+    
+    # - - - - - - - - - - - - - - - - - - - - - - - - - - -
+    
+    def update(self, data):
+        """ update the state with new data, storing excess data 
+            as necessary.  may be called multiple times and if a 
+            call sends less than a full block in size, the leftover 
+            is cached and will be consumed in the next call 
+            data:  data to be hashed (bytestring)
+        """
+        self.state = 2
+        
+        BLKBYTES = self.BLKBYTES   # de-referenced for improved readability
+        BLKBITS  = self.BLKBITS
+        
+        datalen = len(data)
+        if not datalen:  return
+        
+        if type(data) == type(u''):
+            
+            # use either of the next two lines for a proper 
+            # response under both Python2 and Python3
+            data = data.encode('UTF-8')         # converts to byte string
+            #data = bytearray(data, 'utf-8')    # use if want mutable
+            
+            # This next line works for Py3 but fails under 
+            # Py2 because the Py2 version of bytes() will 
+            # accept only *one* argument.   Arrrrgh!!!
+            #data = bytes(data, 'utf-8')        # converts to immutable byte 
+                                                # string but... under p7 
+                                                # bytes() wants only 1 arg
+            # ...a dummy, 2nd argument like encoding=None 
+            # that does nothing would at least allow 
+            # compatibility between Python2 and Python3.
+        
+        left = len(self.cache)
+        fill = BLKBYTES - left
+        
+        # if any cached data and any added new data will fill a 
+        # full block, fill and compress
+        if left and datalen >= fill:
+            self.cache = self.cache + data[:fill]
+            self.t += BLKBITS           # update counter
+            self._compress(self.cache)
+            self.cache = b''
+            data = data[fill:]
+            datalen -= fill
+    
+        # compress new data until not enough for a full block
+        while datalen >= BLKBYTES:        
+            self.t += BLKBITS           # update counter
+            self._compress(data[:BLKBYTES])
+            data = data[BLKBYTES:]
+            datalen -= BLKBYTES
+        
+        # cache all leftover bytes until next call to update()
+        if datalen > 0:
+            self.cache = self.cache + data[:datalen]
+    
+    # - - - - - - - - - - - - - - - - - - - - - - - - - - -
+    
+    def final(self, data=''):
+        """ finalize the hash -- pad and hash remaining data
+            returns hashval, the digest
+        """
+        if self.state == 3:
+            # we have already finalized so simply return the
+            # previously calculated/stored hash value
+            return self.hash
+            
+        if data:
+            self.update(data)
+            
+        ZZ = b'\x00'
+        ZO = b'\x01'
+        OZ = b'\x80'
+        OO = b'\x81'
+        PADDING = OZ + ZZ*128   # pre-formatted padding data    
+    
+        # copy nb. bits hash in total as a 64-bit BE word
+        # copy nb. bits hash in total as a 128-bit BE word
+        tt = self.t + (len(self.cache) << 3)
+        if self.BLKBYTES == 64:
+            msglen = self._int2eightByte(tt)
+        else:
+            low  = tt & self.MASK
+            high = tt >> self.WORDBITS
+            msglen = self._int2eightByte(high) + self._int2eightByte(low)
+        
+        # size of block without the words at the end that count 
+        # the number of bits, 55 or 111.
+        # Note: (((self.WORDBITS/8)*2)+1) equals ((self.WORDBITS>>2)+1)
+        sizewithout = self.BLKBYTES -  ((self.WORDBITS>>2)+1)
+    
+        if len(self.cache) == sizewithout:
+            # special case of one padding byte
+            self.t -= 8
+            if self.hashbitlen in [224, 384]:
+                self.update(OZ)
+            else:
+                self.update(OO)
+        else:
+            if len(self.cache) < sizewithout:
+                # enough space to fill the block
+                # use t=0 if no remaining data
+                if len(self.cache) == 0:
+                    self.nullt=1
+                self.t -= (sizewithout - len(self.cache)) << 3
+                self.update(PADDING[:sizewithout - len(self.cache)])
+            else: 
+                # NOT enough space, need 2 compressions
+                #   ...add marker, pad with nulls and compress
+                self.t -= (self.BLKBYTES - len(self.cache)) << 3 
+                self.update(PADDING[:self.BLKBYTES - len(self.cache)])
+                #   ...now pad w/nulls leaving space for marker & bit count
+                self.t -= (sizewithout+1) << 3
+                self.update(PADDING[1:sizewithout+1]) # pad with zeroes
+                
+                self.nullt = 1 # raise flag to set t=0 at the next _compress
+            
+            # append a marker byte
+            if self.hashbitlen in [224, 384]:
+                self.update(ZZ)
+            else:
+                self.update(ZO)
+            self.t -= 8
+        
+        # append the number of bits (long long)
+        self.t -= self.BLKBYTES
+        self.update(msglen)
+    
+        hashval = []
+        if self.BLKBYTES == 64:
+            for h in self.h:
+                hashval.append(self._int2fourByte(h))
+        else:
+            for h in self.h:
+                hashval.append(self._int2eightByte(h))
+        
+        self.hash  = b''.join(hashval)[:self.hashbitlen >> 3]
+        self.state = 3
+        
+        return self.hash
+    
+    digest = final      # may use digest() as a synonym for final()
+    
+    # - - - - - - - - - - - - - - - - - - - - - - - - - - -
+    
+    def hexdigest(self, data=''):
+        return hexlify(self.final(data)).decode('UTF-8')
+    
+    # - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+    # utility functions
+    
+    def _fourByte2int(self, bytestr):      # see also long2byt() below
+        """ convert a 4-byte string to an int (long) """
+        return struct.unpack('!L', bytestr)[0]
+    
+    def _eightByte2int(self, bytestr):
+        """ convert a 8-byte string to an int (long long) """
+        return struct.unpack('!Q', bytestr)[0]
+    
+    def _int2fourByte(self, x):            # see also long2byt() below
+        """ convert a number to a 4-byte string, high order 
+            truncation possible (in Python x could be a BIGNUM)
+        """
+        return struct.pack('!L', x)
+    
+    def _int2eightByte(self, x):
+        """ convert a number to a 8-byte string, high order 
+            truncation possible (in Python x could be a BIGNUM)
+        """
+        return struct.pack('!Q', x)
+
+
+#---------------------------------------------------------------
+#---------------------------------------------------------------
+#---------------------------------------------------------------
+
+
+def blake_hash(data):
+    return BLAKE(256).digest(data)

basicswap/contrib/blake256/test.py

@@ -0,0 +1,37 @@
+from blake256 import blake_hash
+
+testVectors = [
+    ["716f6e863f744b9ac22c97ec7b76ea5f5908bc5b2f67c61510bfc4751384ea7a", ""],
+    ["43234ff894a9c0590d0246cfc574eb781a80958b01d7a2fa1ac73c673ba5e311", "a"],
+    ["658c6d9019a1deddbcb3640a066dfd23471553a307ab941fd3e677ba887be329", "ab"],
+    ["1833a9fa7cf4086bd5fda73da32e5a1d75b4c3f89d5c436369f9d78bb2da5c28", "abc"],
+    ["35282468f3b93c5aaca6408582fced36e578f67671ed0741c332d68ac72d7aa2", "abcd"],
+    ["9278d633efce801c6aa62987d7483d50e3c918caed7d46679551eed91fba8904", "abcde"],
+    ["7a17ee5e289845adcafaf6ca1b05c4a281b232a71c7083f66c19ba1d1169a8d4", "abcdef"],
+    ["ee8c7f94ff805cb2e644643010ea43b0222056420917ec70c3da764175193f8f", "abcdefg"],
+    ["7b37c0876d29c5add7800a1823795a82b809fc12f799ff6a4b5e58d52c42b17e", "abcdefgh"],
+    ["bdc514bea74ffbb9c3aa6470b08ceb80a88e313ad65e4a01457bbffd0acc86de", "abcdefghi"],
+    ["12e3afb9739df8d727e93d853faeafc374cc55aedc937e5a1e66f5843b1d4c2e", "abcdefghij"],
+    ["22297d373b751f581944bb26315133f6fda2f0bf60f65db773900f61f81b7e79", "Discard medicine more than two years old."],
+    ["4d48d137bc9cf6d21415b805bf33f59320337d85c673998260e03a02a0d760cd", "He who has a shady past knows that nice guys finish last."],
+    ["beba299e10f93e17d45663a6dc4b8c9349e4f5b9bac0d7832389c40a1b401e5c", "I wouldn't marry him with a ten foot pole."],
+    ["42e082ae7f967781c6cd4e0ceeaeeb19fb2955adbdbaf8c7ec4613ac130071b3", "Free! Free!/A trip/to Mars/for 900/empty jars/Burma Shave"],
+    ["207d06b205bfb359df91b48b6fd8aa6e4798b712d1cc5e91a254da9cef8684a3", "The days of the digital watch are numbered.  -Tom Stoppard"],
+    ["d56eab6927e371e2148b0788779aaf565d30567af2af822b6be3b90db9767a70", "Nepal premier won't resign."],
+    ["01020709ca7fd10dc7756ce767d508d7206167d300b7a7ed76838a8547a7898c", "For every action there is an equal and opposite government program."],
+    ["5569a6cc6535a66da221d8f6ad25008f28752d0343f3f1d757f1ecc9b1c61536", "His money is twice tainted: 'taint yours and 'taint mine."],
+    ["8ff699b5ac7687c82600e89d0ff6cfa87e7179759184386971feb76fbae9975f", "There is no reason for any individual to have a computer in their home. -Ken Olsen, 1977"],
+    ["f4b3a7c85a418b15ce330fd41ae0254b036ad48dd98aa37f0506a995ba9c6029", "It's a tiny change to the code and not completely disgusting. - Bob Manchek"],
+    ["1ed94bab64fe560ef0983165fcb067e9a8a971c1db8e6fb151ff9a7c7fe877e3", "size:  a.out:  bad magic"],
+    ["ff15b54992eedf9889f7b4bbb16692881aa01ed10dfc860fdb04785d8185cd3c", "The major problem is with sendmail.  -Mark Horton"],
+    ["8a0a7c417a47deec0b6474d8c247da142d2e315113a2817af3de8f45690d8652", "Give me a rock, paper and scissors and I will move the world.  CCFestoon"],
+    ["310d263fdab056a930324cdea5f46f9ea70219c1a74b01009994484113222a62", "If the enemy is within range, then so are you."],
+    ["1aaa0903aa4cf872fe494c322a6e535698ea2140e15f26fb6088287aedceb6ba", "It's well we cannot hear the screams/That we create in others' dreams."],
+    ["2eb81bcaa9e9185a7587a1b26299dcfb30f2a58a7f29adb584b969725457ad4f", "You remind me of a TV show, but that's all right: I watch it anyway."],
+    ["c27b1683ef76e274680ab5492e592997b0d9d5ac5a5f4651b6036f64215256af", "C is as portable as Stonehedge!!"],
+    ["3995cce8f32b174c22ffac916124bd095c80205d9d5f1bb08a155ac24b40d6cb", "Even if I could be Shakespeare, I think I should still choose to be Faraday. - A. Huxley"],
+    ["496f7063f8bd479bf54e9d87e9ba53e277839ac7fdaecc5105f2879b58ee562f", "The fugacity of a constituent in a mixture of gases at a given temperature is proportional to its mole fraction.  Lewis-Randall Rule"],
+    ["2e0eff918940b01eea9539a02212f33ee84f77fab201f4287aa6167e4a1ed043", "How can you write a big system without C++?  -Paul Glick"]]
+
+for vectorSet in testVectors:
+    assert vectorSet[0] == blake_hash(vectorSet[1]).encode('hex')

basicswap/contrib/mnemonic/__init__.py

@@ -0,0 +1,3 @@
+from .mnemonic import Mnemonic
+
+__all__ = ["Mnemonic"]

basicswap/contrib/mnemonic/mnemonic.py

@@ -0,0 +1,298 @@
+#
+# Copyright (c) 2013 Pavol Rusnak
+# Copyright (c) 2017 mruddy
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy of
+# this software and associated documentation files (the "Software"), to deal in
+# the Software without restriction, including without limitation the rights to
+# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+# of the Software, and to permit persons to whom the Software is furnished to do
+# so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+from __future__ import annotations
+
+import hashlib
+import hmac
+import itertools
+import os
+import secrets
+import typing as t
+import unicodedata
+
+PBKDF2_ROUNDS = 2048
+
+
+class ConfigurationError(Exception):
+    pass
+
+
+# Refactored code segments from <https://github.com/keis/base58>
+def b58encode(v: bytes) -> str:
+    alphabet = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"
+
+    p, acc = 1, 0
+    for c in reversed(v):
+        acc += p * c
+        p = p << 8
+
+    string = ""
+    while acc:
+        acc, idx = divmod(acc, 58)
+        string = alphabet[idx : idx + 1] + string
+    return string
+
+
+class Mnemonic(object):
+    def __init__(self, language: str = "english", wordlist: list[str] | None = None):
+        self.radix = 2048
+        self.language = language
+
+        if wordlist is None:
+            d = os.path.join(os.path.dirname(__file__), f"wordlist/{language}.txt")
+            if os.path.exists(d) and os.path.isfile(d):
+                with open(d, "r", encoding="utf-8") as f:
+                    wordlist = [w.strip() for w in f.readlines()]
+            else:
+                raise ConfigurationError("Language not detected")
+
+        if len(wordlist) != self.radix:
+            raise ConfigurationError(f"Wordlist must contain {self.radix} words.")
+
+        self.wordlist = wordlist
+        # Japanese must be joined by ideographic space
+        self.delimiter = "\u3000" if language == "japanese" else " "
+
+    @classmethod
+    def list_languages(cls) -> list[str]:
+        return [
+            f.split(".")[0]
+            for f in os.listdir(os.path.join(os.path.dirname(__file__), "wordlist"))
+            if f.endswith(".txt")
+        ]
+
+    @staticmethod
+    def normalize_string(txt: t.AnyStr) -> str:
+        if isinstance(txt, bytes):
+            utxt = txt.decode("utf8")
+        elif isinstance(txt, str):
+            utxt = txt
+        else:
+            raise TypeError("String value expected")
+
+        return unicodedata.normalize("NFKD", utxt)
+
+    @classmethod
+    def detect_language(cls, code: str) -> str:
+        """Scan the Mnemonic until the language becomes unambiguous, including as abbreviation prefixes.
+
+        Unfortunately, there are valid words that are ambiguous between languages, which are complete words
+        in one language and are prefixes in another:
+
+            english: abandon ... about
+            french:  abandon ... aboutir
+
+        If prefixes remain ambiguous, require exactly one language where word(s) match exactly.
+        """
+        code = cls.normalize_string(code)
+        possible = set(cls(lang) for lang in cls.list_languages())
+        words = set(code.split())
+        for word in words:
+            # possible languages have candidate(s) starting with the word/prefix
+            possible = set(
+                p for p in possible if any(c.startswith(word) for c in p.wordlist)
+            )
+            if not possible:
+                raise ConfigurationError(f"Language unrecognized for {word!r}")
+        if len(possible) == 1:
+            return possible.pop().language
+        # Multiple languages match: A prefix in many, but an exact match in one determines language.
+        complete = set()
+        for word in words:
+            exact = set(p for p in possible if word in p.wordlist)
+            if len(exact) == 1:
+                complete.update(exact)
+        if len(complete) == 1:
+            return complete.pop().language
+        raise ConfigurationError(
+            f"Language ambiguous between {', '.join(p.language for p in possible)}"
+        )
+
+    def generate(self, strength: int = 128) -> str:
+        """
+        Create a new mnemonic using a random generated number as entropy.
+
+        As defined in BIP39, the entropy must be a multiple of 32 bits, and its size must be between 128 and 256 bits.
+        Therefore the possible values for `strength` are 128, 160, 192, 224 and 256.
+
+        If not provided, the default entropy length will be set to 128 bits.
+
+        The return is a list of words that encodes the generated entropy.
+
+        :param strength: Number of bytes used as entropy
+        :type strength: int
+        :return: A randomly generated mnemonic
+        :rtype: str
+        """
+        if strength not in [128, 160, 192, 224, 256]:
+            raise ValueError(
+                "Invalid strength value. Allowed values are [128, 160, 192, 224, 256]."
+            )
+        return self.to_mnemonic(secrets.token_bytes(strength // 8))
+
+    # Adapted from <http://tinyurl.com/oxmn476>
+    def to_entropy(self, words: list[str] | str) -> bytearray:
+        if not isinstance(words, list):
+            words = words.split(" ")
+        if len(words) not in [12, 15, 18, 21, 24]:
+            raise ValueError(
+                "Number of words must be one of the following: [12, 15, 18, 21, 24], but it is not (%d)."
+                % len(words)
+            )
+        # Look up all the words in the list and construct the
+        # concatenation of the original entropy and the checksum.
+        concatLenBits = len(words) * 11
+        concatBits = [False] * concatLenBits
+        wordindex = 0
+        for word in words:
+            # Find the words index in the wordlist
+            ndx = self.wordlist.index(self.normalize_string(word))
+            if ndx < 0:
+                raise LookupError('Unable to find "%s" in word list.' % word)
+            # Set the next 11 bits to the value of the index.
+            for ii in range(11):
+                concatBits[(wordindex * 11) + ii] = (ndx & (1 << (10 - ii))) != 0
+            wordindex += 1
+        checksumLengthBits = concatLenBits // 33
+        entropyLengthBits = concatLenBits - checksumLengthBits
+        # Extract original entropy as bytes.
+        entropy = bytearray(entropyLengthBits // 8)
+        for ii in range(len(entropy)):
+            for jj in range(8):
+                if concatBits[(ii * 8) + jj]:
+                    entropy[ii] |= 1 << (7 - jj)
+        # Take the digest of the entropy.
+        hashBytes = hashlib.sha256(entropy).digest()
+        hashBits = list(
+            itertools.chain.from_iterable(
+                [c & (1 << (7 - i)) != 0 for i in range(8)] for c in hashBytes
+            )
+        )
+        # Check all the checksum bits.
+        for i in range(checksumLengthBits):
+            if concatBits[entropyLengthBits + i] != hashBits[i]:
+                raise ValueError("Failed checksum.")
+        return entropy
+
+    def to_mnemonic(self, data: bytes) -> str:
+        if len(data) not in [16, 20, 24, 28, 32]:
+            raise ValueError(
+                f"Data length should be one of the following: [16, 20, 24, 28, 32], but it is not {len(data)}."
+            )
+        h = hashlib.sha256(data).hexdigest()
+        b = (
+            bin(int.from_bytes(data, byteorder="big"))[2:].zfill(len(data) * 8)
+            + bin(int(h, 16))[2:].zfill(256)[: len(data) * 8 // 32]
+        )
+        result = []
+        for i in range(len(b) // 11):
+            idx = int(b[i * 11 : (i + 1) * 11], 2)
+            result.append(self.wordlist[idx])
+        return self.delimiter.join(result)
+
+    def check(self, mnemonic: str) -> bool:
+        mnemonic_list = self.normalize_string(mnemonic).split(" ")
+        # list of valid mnemonic lengths
+        if len(mnemonic_list) not in [12, 15, 18, 21, 24]:
+            return False
+        try:
+            idx = map(
+                lambda x: bin(self.wordlist.index(x))[2:].zfill(11), mnemonic_list
+            )
+            b = "".join(idx)
+        except ValueError:
+            return False
+        l = len(b)  # noqa: E741
+        d = b[: l // 33 * 32]
+        h = b[-l // 33 :]
+        nd = int(d, 2).to_bytes(l // 33 * 4, byteorder="big")
+        nh = bin(int(hashlib.sha256(nd).hexdigest(), 16))[2:].zfill(256)[: l // 33]
+        return h == nh
+
+    def expand_word(self, prefix: str) -> str:
+        if prefix in self.wordlist:
+            return prefix
+        else:
+            matches = [word for word in self.wordlist if word.startswith(prefix)]
+            if len(matches) == 1:  # matched exactly one word in the wordlist
+                return matches[0]
+            else:
+                # exact match not found.
+                # this is not a validation routine, just return the input
+                return prefix
+
+    def expand(self, mnemonic: str) -> str:
+        return " ".join(map(self.expand_word, mnemonic.split(" ")))
+
+    @classmethod
+    def to_seed(cls, mnemonic: str, passphrase: str = "") -> bytes:
+        mnemonic = cls.normalize_string(mnemonic)
+        passphrase = cls.normalize_string(passphrase)
+        passphrase = "mnemonic" + passphrase
+        mnemonic_bytes = mnemonic.encode("utf-8")
+        passphrase_bytes = passphrase.encode("utf-8")
+        stretched = hashlib.pbkdf2_hmac(
+            "sha512", mnemonic_bytes, passphrase_bytes, PBKDF2_ROUNDS
+        )
+        return stretched[:64]
+
+    @staticmethod
+    def to_hd_master_key(seed: bytes, testnet: bool = False) -> str:
+        if len(seed) != 64:
+            raise ValueError("Provided seed should have length of 64")
+
+        # Compute HMAC-SHA512 of seed
+        seed = hmac.new(b"Bitcoin seed", seed, digestmod=hashlib.sha512).digest()
+
+        # Serialization format can be found at: https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki#serialization-format
+        xprv = b"\x04\x88\xad\xe4"  # Version for private mainnet
+        if testnet:
+            xprv = b"\x04\x35\x83\x94"  # Version for private testnet
+        xprv += b"\x00" * 9  # Depth, parent fingerprint, and child number
+        xprv += seed[32:]  # Chain code
+        xprv += b"\x00" + seed[:32]  # Master key
+
+        # Double hash using SHA256
+        hashed_xprv = hashlib.sha256(xprv).digest()
+        hashed_xprv = hashlib.sha256(hashed_xprv).digest()
+
+        # Append 4 bytes of checksum
+        xprv += hashed_xprv[:4]
+
+        # Return base58
+        return b58encode(xprv)
+
+
+def main() -> None:
+    import sys
+
+    if len(sys.argv) > 1:
+        hex_data = sys.argv[1]
+    else:
+        hex_data = sys.stdin.readline().strip()
+    data = bytes.fromhex(hex_data)
+    m = Mnemonic("english")
+    print(m.to_mnemonic(data))
+
+
+if __name__ == "__main__":
+    main()

basicswap/contrib/mnemonic/py.typed

@@ -0,0 +1 @@
+# Marker file for PEP 561.

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/contrib/test_framework/util.py

@@ -5,20 +5,22 @@
 """Helpful routines for regression testing."""
 
 from base64 import b64encode
-from binascii import unhexlify
 from decimal import Decimal, ROUND_DOWN
 from subprocess import CalledProcessError
+import hashlib
 import inspect
 import json
 import logging
 import os
-import random
+import pathlib
+import platform
 import re
 import time
 
 from . import coverage
 from .authproxy import AuthServiceProxy, JSONRPCException
-from io import BytesIO
+from collections.abc import Callable
+from typing import Optional
 
 logger = logging.getLogger("TestFramework.utils")
 
@@ -28,23 +30,46 @@ logger = logging.getLogger("TestFramework.utils")
 
 def assert_approx(v, vexp, vspan=0.00001):
     """Assert that `v` is within `vspan` of `vexp`"""
+    if isinstance(v, Decimal) or isinstance(vexp, Decimal):
+        v=Decimal(v)
+        vexp=Decimal(vexp)
+        vspan=Decimal(vspan)
     if v < vexp - vspan:
         raise AssertionError("%s < [%s..%s]" % (str(v), str(vexp - vspan), str(vexp + vspan)))
     if v > vexp + vspan:
         raise AssertionError("%s > [%s..%s]" % (str(v), str(vexp - vspan), str(vexp + vspan)))
 
 
-def assert_fee_amount(fee, tx_size, fee_per_kB):
-    """Assert the fee was in range"""
-    target_fee = round(tx_size * fee_per_kB / 1000, 8)
+def assert_fee_amount(fee, tx_size, feerate_BTC_kvB):
+    """Assert the fee is in range."""
+    assert isinstance(tx_size, int)
+    target_fee = get_fee(tx_size, feerate_BTC_kvB)
     if fee < target_fee:
         raise AssertionError("Fee of %s BTC too low! (Should be %s BTC)" % (str(fee), str(target_fee)))
     # allow the wallet's estimation to be at most 2 bytes off
-    if fee > (tx_size + 2) * fee_per_kB / 1000:
+    high_fee = get_fee(tx_size + 2, feerate_BTC_kvB)
+    if fee > high_fee:
         raise AssertionError("Fee of %s BTC too high! (Should be %s BTC)" % (str(fee), str(target_fee)))
 
 
+def summarise_dict_differences(thing1, thing2):
+    if not isinstance(thing1, dict) or not isinstance(thing2, dict):
+        return thing1, thing2
+    d1, d2 = {}, {}
+    for k in sorted(thing1.keys()):
+        if k not in thing2:
+            d1[k] = thing1[k]
+        elif thing1[k] != thing2[k]:
+            d1[k], d2[k] = summarise_dict_differences(thing1[k], thing2[k])
+    for k in sorted(thing2.keys()):
+        if k not in thing1:
+            d2[k] = thing2[k]
+    return d1, d2
+
 def assert_equal(thing1, thing2, *args):
+    if thing1 != thing2 and not args and isinstance(thing1, dict) and isinstance(thing2, dict):
+        d1,d2 = summarise_dict_differences(thing1, thing2)
+        raise AssertionError("not(%s == %s)\n  in particular not(%s == %s)" % (thing1, thing2, d1, d2))
     if thing1 != thing2 or any(thing1 != arg for arg in args):
         raise AssertionError("not(%s)" % " == ".join(str(arg) for arg in (thing1, thing2) + args))
 
@@ -79,7 +104,7 @@ def assert_raises_message(exc, message, fun, *args, **kwds):
         raise AssertionError("No exception raised")
 
 
-def assert_raises_process_error(returncode, output, fun, *args, **kwds):
+def assert_raises_process_error(returncode: int, output: str, fun: Callable, *args, **kwds):
     """Execute a process and asserts the process return code and output.
 
     Calls function `fun` with arguments `args` and `kwds`. Catches a CalledProcessError
@@ -87,9 +112,9 @@ def assert_raises_process_error(returncode, output, fun, *args, **kwds):
     no CalledProcessError was raised or if the return code and output are not as expected.
 
     Args:
-        returncode (int): the process return code.
-        output (string): [a substring of] the process output.
-        fun (function): the function to call. This should execute a process.
+        returncode: the process return code.
+        output: [a substring of] the process output.
+        fun: the function to call. This should execute a process.
         args*: positional arguments for the function.
         kwds**: named arguments for the function.
     """
@@ -104,7 +129,7 @@ def assert_raises_process_error(returncode, output, fun, *args, **kwds):
         raise AssertionError("No exception raised")
 
 
-def assert_raises_rpc_error(code, message, fun, *args, **kwds):
+def assert_raises_rpc_error(code: Optional[int], message: Optional[str], fun: Callable, *args, **kwds):
     """Run an RPC and verify that a specific JSONRPC exception code and message is raised.
 
     Calls function `fun` with arguments `args` and `kwds`. Catches a JSONRPCException
@@ -112,11 +137,11 @@ def assert_raises_rpc_error(code, message, fun, *args, **kwds):
     no JSONRPCException was raised or if the error code/message are not as expected.
 
     Args:
-        code (int), optional: the error code returned by the RPC call (defined
-            in src/rpc/protocol.h). Set to None if checking the error code is not required.
-        message (string), optional: [a substring of] the error string returned by the
-            RPC call. Set to None if checking the error string is not required.
-        fun (function): the function to call. This should be the name of an RPC.
+        code: the error code returned by the RPC call (defined in src/rpc/protocol.h).
+            Set to None if checking the error code is not required.
+        message: [a substring of] the error string returned by the RPC call.
+            Set to None if checking the error string is not required.
+        fun: the function to call. This should be the name of an RPC.
         args*: positional arguments for the function.
         kwds**: named arguments for the function.
     """
@@ -203,29 +228,45 @@ def check_json_precision():
         raise RuntimeError("JSON encode/decode loses precision")
 
 
-def EncodeDecimal(o):
-    if isinstance(o, Decimal):
-        return str(o)
-    raise TypeError(repr(o) + " is not JSON serializable")
-
-
 def count_bytes(hex_string):
     return len(bytearray.fromhex(hex_string))
 
 
-def hex_str_to_bytes(hex_str):
-    return unhexlify(hex_str.encode('ascii'))
-
-
 def str_to_b64str(string):
     return b64encode(string.encode('utf-8')).decode('ascii')
 
 
+def ceildiv(a, b):
+    """
+    Divide 2 ints and round up to next int rather than round down
+    Implementation requires python integers, which have a // operator that does floor division.
+    Other types like decimal.Decimal whose // operator truncates towards 0 will not work.
+    """
+    assert isinstance(a, int)
+    assert isinstance(b, int)
+    return -(-a // b)
+
+
+def get_fee(tx_size, feerate_btc_kvb):
+    """Calculate the fee in BTC given a feerate is BTC/kvB. Reflects CFeeRate::GetFee"""
+    feerate_sat_kvb = int(feerate_btc_kvb * Decimal(1e8)) # Fee in sat/kvb as an int to avoid float precision errors
+    target_fee_sat = ceildiv(feerate_sat_kvb * tx_size, 1000) # Round calculated fee up to nearest sat
+    return target_fee_sat / Decimal(1e8) # Return result in  BTC
+
+
 def satoshi_round(amount):
     return Decimal(amount).quantize(Decimal('0.00000001'), rounding=ROUND_DOWN)
 
 
-def wait_until(predicate, *, attempts=float('inf'), timeout=float('inf'), lock=None, timeout_factor=1.0):
+def wait_until_helper_internal(predicate, *, attempts=float('inf'), timeout=float('inf'), lock=None, timeout_factor=1.0):
+    """Sleep until the predicate resolves to be True.
+
+    Warning: Note that this method is not recommended to be used in tests as it is
+    not aware of the context of the test framework. Using the `wait_until()` members
+    from `BitcoinTestFramework` or `P2PInterface` class ensures the timeout is
+    properly scaled. Furthermore, `wait_until()` from `P2PInterface` class in
+    `p2p.py` has a preset lock.
+    """
     if attempts == float('inf') and timeout == float('inf'):
         timeout = 60
     timeout = timeout * timeout_factor
@@ -253,6 +294,16 @@ def wait_until(predicate, *, attempts=float('inf'), timeout=float('inf'), lock=N
     raise RuntimeError('Unreachable')
 
 
+def sha256sum_file(filename):
+    h = hashlib.sha256()
+    with open(filename, 'rb') as f:
+        d = f.read(4096)
+        while len(d) > 0:
+            h.update(d)
+            d = f.read(4096)
+    return h.digest()
+
+
 # RPC/P2P connection constants and functions
 ############################################
 
@@ -269,15 +320,15 @@ class PortSeed:
     n = None
 
 
-def get_rpc_proxy(url, node_number, *, timeout=None, coveragedir=None):
+def get_rpc_proxy(url: str, node_number: int, *, timeout: Optional[int]=None, coveragedir: Optional[str]=None) -> coverage.AuthServiceProxyWrapper:
     """
     Args:
-        url (str): URL of the RPC server to call
-        node_number (int): the node number (or id) that this calls to
+        url: URL of the RPC server to call
+        node_number: the node number (or id) that this calls to
 
     Kwargs:
-        timeout (int): HTTP timeout in seconds
-        coveragedir (str): Directory
+        timeout: HTTP timeout in seconds
+        coveragedir: Directory
 
     Returns:
         AuthServiceProxy. convenience object for making RPC calls.
@@ -288,11 +339,10 @@ def get_rpc_proxy(url, node_number, *, timeout=None, coveragedir=None):
         proxy_kwargs['timeout'] = int(timeout)
 
     proxy = AuthServiceProxy(url, **proxy_kwargs)
-    proxy.url = url  # store URL on proxy for info
 
     coverage_logfile = coverage.get_filename(coveragedir, node_number) if coveragedir else None
 
-    return coverage.AuthServiceProxyWrapper(proxy, coverage_logfile)
+    return coverage.AuthServiceProxyWrapper(proxy, url, coverage_logfile)
 
 
 def p2p_port(n):
@@ -321,38 +371,76 @@ def rpc_url(datadir, i, chain, rpchost):
 ################
 
 
-def initialize_datadir(dirname, n, chain):
+def initialize_datadir(dirname, n, chain, disable_autoconnect=True):
     datadir = get_datadir_path(dirname, n)
     if not os.path.isdir(datadir):
         os.makedirs(datadir)
-    # Translate chain name to config name
-    if chain == 'testnet3':
+    write_config(os.path.join(datadir, "particl.conf"), n=n, chain=chain, disable_autoconnect=disable_autoconnect)
+    os.makedirs(os.path.join(datadir, 'stderr'), exist_ok=True)
+    os.makedirs(os.path.join(datadir, 'stdout'), exist_ok=True)
+    return datadir
+
+
+def write_config(config_path, *, n, chain, extra_config="", disable_autoconnect=True):
+    # Translate chain subdirectory name to config name
+    if chain == 'testnet':
         chain_name_conf_arg = 'testnet'
         chain_name_conf_section = 'test'
     else:
         chain_name_conf_arg = chain
         chain_name_conf_section = chain
-    with open(os.path.join(datadir, "particl.conf"), 'w', encoding='utf8') as f:
-        f.write("{}=1\n".format(chain_name_conf_arg))
-        f.write("[{}]\n".format(chain_name_conf_section))
+    with open(config_path, 'w', encoding='utf8') as f:
+        if chain_name_conf_arg:
+            f.write("{}=1\n".format(chain_name_conf_arg))
+        if chain_name_conf_section:
+            f.write("[{}]\n".format(chain_name_conf_section))
         f.write("port=" + str(p2p_port(n)) + "\n")
         f.write("rpcport=" + str(rpc_port(n)) + "\n")
+        # Disable server-side timeouts to avoid intermittent issues
+        f.write("rpcservertimeout=99000\n")
+        f.write("rpcdoccheck=1\n")
         f.write("fallbackfee=0.0002\n")
         f.write("server=1\n")
         f.write("keypool=1\n")
         f.write("discover=0\n")
         f.write("dnsseed=0\n")
+        f.write("fixedseeds=0\n")
         f.write("listenonion=0\n")
+        # Increase peertimeout to avoid disconnects while using mocktime.
+        # peertimeout is measured in mock time, so setting it large enough to
+        # cover any duration in mock time is sufficient. It can be overridden
+        # in tests.
+        f.write("peertimeout=999999999\n")
         f.write("printtoconsole=0\n")
         f.write("upnp=0\n")
+        f.write("natpmp=0\n")
         f.write("shrinkdebugfile=0\n")
-        os.makedirs(os.path.join(datadir, 'stderr'), exist_ok=True)
-        os.makedirs(os.path.join(datadir, 'stdout'), exist_ok=True)
-    return datadir
+        f.write("deprecatedrpc=create_bdb\n")  # Required to run the tests
+        # To improve SQLite wallet performance so that the tests don't timeout, use -unsafesqlitesync
+        f.write("unsafesqlitesync=1\n")
+        if disable_autoconnect:
+            f.write("connect=0\n")
+        f.write(extra_config)
 
 
 def get_datadir_path(dirname, n):
-    return os.path.join(dirname, "node" + str(n))
+    return pathlib.Path(dirname) / f"node{n}"
+
+
+def get_temp_default_datadir(temp_dir: pathlib.Path) -> tuple[dict, pathlib.Path]:
+    """Return os-specific environment variables that can be set to make the
+    GetDefaultDataDir() function return a datadir path under the provided
+    temp_dir, as well as the complete path it would return."""
+    if platform.system() == "Windows":
+        env = dict(APPDATA=str(temp_dir))
+        datadir = temp_dir / "Particl"
+    else:
+        env = dict(HOME=str(temp_dir))
+        if platform.system() == "Darwin":
+            datadir = temp_dir / "Library/Application Support/Particl"
+        else:
+            datadir = temp_dir / ".particl"
+    return env, datadir
 
 
 def append_config(datadir, options):
@@ -395,7 +483,7 @@ def delete_cookie_file(datadir, chain):
 
 def softfork_active(node, key):
     """Return whether a softfork is active."""
-    return node.getblockchaininfo()['softforks'][key]['active']
+    return node.getdeploymentinfo()['deployments'][key]['active']
 
 
 def set_node_times(nodes, t):
@@ -403,208 +491,51 @@ def set_node_times(nodes, t):
         node.setmocktime(t)
 
 
-def disconnect_nodes(from_connection, node_num):
-    def get_peer_ids():
-        result = []
-        for peer in from_connection.getpeerinfo():
-            if "testnode{}".format(node_num) in peer['subver']:
-                result.append(peer['id'])
-        return result
-
-    peer_ids = get_peer_ids()
-    if not peer_ids:
-        logger.warning("disconnect_nodes: {} and {} were not connected".format(
-            from_connection.index,
-            node_num,
-        ))
-        return
-    for peer_id in peer_ids:
-        try:
-            from_connection.disconnectnode(nodeid=peer_id)
-        except JSONRPCException as e:
-            # If this node is disconnected between calculating the peer id
-            # and issuing the disconnect, don't worry about it.
-            # This avoids a race condition if we're mass-disconnecting peers.
-            if e.error['code'] != -29:  # RPC_CLIENT_NODE_NOT_CONNECTED
-                raise
-
-    # wait to disconnect
-    wait_until(lambda: not get_peer_ids(), timeout=5)
-
-
-def connect_nodes(from_connection, node_num):
-    ip_port = "127.0.0.1:" + str(p2p_port(node_num))
-    from_connection.addnode(ip_port, "onetry")
-    # poll until version handshake complete to avoid race conditions
-    # with transaction relaying
-    # See comments in net_processing:
-    # * Must have a version message before anything else
-    # * Must have a verack message before anything else
-    wait_until(lambda: all(peer['version'] != 0 for peer in from_connection.getpeerinfo()))
-    wait_until(lambda: all(peer['bytesrecv_per_msg'].pop('verack', 0) == 24 for peer in from_connection.getpeerinfo()))
+def check_node_connections(*, node, num_in, num_out):
+    info = node.getnetworkinfo()
+    assert_equal(info["connections_in"], num_in)
+    assert_equal(info["connections_out"], num_out)
 
 
 # Transaction/Block functions
 #############################
 
 
-def find_output(node, txid, amount, *, blockhash=None):
-    """
-    Return index to output of txid with value amount
-    Raises exception if there is none.
-    """
-    txdata = node.getrawtransaction(txid, 1, blockhash)
-    for i in range(len(txdata["vout"])):
-        if txdata["vout"][i]["value"] == amount:
-            return i
-    raise RuntimeError("find_output txid %s : %s not found" % (txid, str(amount)))
-
-
-def gather_inputs(from_node, amount_needed, confirmations_required=1):
-    """
-    Return a random set of unspent txouts that are enough to pay amount_needed
-    """
-    assert confirmations_required >= 0
-    utxo = from_node.listunspent(confirmations_required)
-    random.shuffle(utxo)
-    inputs = []
-    total_in = Decimal("0.00000000")
-    while total_in < amount_needed and len(utxo) > 0:
-        t = utxo.pop()
-        total_in += t["amount"]
-        inputs.append({"txid": t["txid"], "vout": t["vout"], "address": t["address"]})
-    if total_in < amount_needed:
-        raise RuntimeError("Insufficient funds: need %d, have %d" % (amount_needed, total_in))
-    return (total_in, inputs)
-
-
-def make_change(from_node, amount_in, amount_out, fee):
-    """
-    Create change output(s), return them
-    """
-    outputs = {}
-    amount = amount_out + fee
-    change = amount_in - amount
-    if change > amount * 2:
-        # Create an extra change output to break up big inputs
-        change_address = from_node.getnewaddress()
-        # Split change in two, being careful of rounding:
-        outputs[change_address] = Decimal(change / 2).quantize(Decimal('0.00000001'), rounding=ROUND_DOWN)
-        change = amount_in - amount - outputs[change_address]
-    if change > 0:
-        outputs[from_node.getnewaddress()] = change
-    return outputs
-
-
-def random_transaction(nodes, amount, min_fee, fee_increment, fee_variants):
-    """
-    Create a random transaction.
-    Returns (txid, hex-encoded-transaction-data, fee)
-    """
-    from_node = random.choice(nodes)
-    to_node = random.choice(nodes)
-    fee = min_fee + fee_increment * random.randint(0, fee_variants)
-
-    (total_in, inputs) = gather_inputs(from_node, amount + fee)
-    outputs = make_change(from_node, total_in, amount, fee)
-    outputs[to_node.getnewaddress()] = float(amount)
-
-    rawtx = from_node.createrawtransaction(inputs, outputs)
-    signresult = from_node.signrawtransactionwithwallet(rawtx)
-    txid = from_node.sendrawtransaction(signresult["hex"], 0)
-
-    return (txid, signresult["hex"], fee)
-
-
-# Helper to create at least "count" utxos
-# Pass in a fee that is sufficient for relay and mining new transactions.
-def create_confirmed_utxos(fee, node, count):
-    to_generate = int(0.5 * count) + 101
-    while to_generate > 0:
-        node.generate(min(25, to_generate))
-        to_generate -= 25
-    utxos = node.listunspent()
-    iterations = count - len(utxos)
-    addr1 = node.getnewaddress()
-    addr2 = node.getnewaddress()
-    if iterations <= 0:
-        return utxos
-    for i in range(iterations):
-        t = utxos.pop()
-        inputs = []
-        inputs.append({"txid": t["txid"], "vout": t["vout"]})
-        outputs = {}
-        send_value = t['amount'] - fee
-        outputs[addr1] = satoshi_round(send_value / 2)
-        outputs[addr2] = satoshi_round(send_value / 2)
-        raw_tx = node.createrawtransaction(inputs, outputs)
-        signed_tx = node.signrawtransactionwithwallet(raw_tx)["hex"]
-        node.sendrawtransaction(signed_tx)
-
-    while (node.getmempoolinfo()['size'] > 0):
-        node.generate(1)
-
-    utxos = node.listunspent()
-    assert len(utxos) >= count
-    return utxos
-
-
 # Create large OP_RETURN txouts that can be appended to a transaction
-# to make it large (helper for constructing large transactions).
+# to make it large (helper for constructing large transactions). The
+# total serialized size of the txouts is about 66k vbytes.
 def gen_return_txouts():
-    # Some pre-processing to create a bunch of OP_RETURN txouts to insert into transactions we create
-    # So we have big transactions (and therefore can't fit very many into each block)
-    # create one script_pubkey
-    script_pubkey = "6a4d0200"  # OP_RETURN OP_PUSH2 512 bytes
-    for i in range(512):
-        script_pubkey = script_pubkey + "01"
-    # concatenate 128 txouts of above script_pubkey which we'll insert before the txout for change
-    txouts = []
     from .messages import CTxOut
-    txout = CTxOut()
-    txout.nValue = 0
-    txout.scriptPubKey = hex_str_to_bytes(script_pubkey)
-    for k in range(128):
-        txouts.append(txout)
+    from .script import CScript, OP_RETURN
+    txouts = [CTxOut(nValue=0, scriptPubKey=CScript([OP_RETURN, b'\x01'*67437]))]
+    assert_equal(sum([len(txout.serialize()) for txout in txouts]), 67456)
     return txouts
 
 
 # Create a spend of each passed-in utxo, splicing in "txouts" to each raw
 # transaction to make it large.  See gen_return_txouts() above.
-def create_lots_of_big_transactions(node, txouts, utxos, num, fee):
-    addr = node.getnewaddress()
+def create_lots_of_big_transactions(mini_wallet, node, fee, tx_batch_size, txouts, utxos=None):
     txids = []
-    from .messages import CTransaction
-    for _ in range(num):
-        t = utxos.pop()
-        inputs = [{"txid": t["txid"], "vout": t["vout"]}]
-        outputs = {}
-        change = t['amount'] - fee
-        outputs[addr] = satoshi_round(change)
-        rawtx = node.createrawtransaction(inputs, outputs)
-        tx = CTransaction()
-        tx.deserialize(BytesIO(hex_str_to_bytes(rawtx)))
-        for txout in txouts:
-            tx.vout.append(txout)
-        newtx = tx.serialize().hex()
-        signresult = node.signrawtransactionwithwallet(newtx, None, "NONE")
-        txid = node.sendrawtransaction(signresult["hex"], 0)
-        txids.append(txid)
+    use_internal_utxos = utxos is None
+    for _ in range(tx_batch_size):
+        tx = mini_wallet.create_self_transfer(
+            utxo_to_spend=None if use_internal_utxos else utxos.pop(),
+            fee=fee,
+        )["tx"]
+        tx.vout.extend(txouts)
+        res = node.testmempoolaccept([tx.serialize().hex()])[0]
+        assert_equal(res['fees']['base'], fee)
+        txids.append(node.sendrawtransaction(tx.serialize().hex()))
     return txids
 
 
-def mine_large_block(node, utxos=None):
+def mine_large_block(test_framework, mini_wallet, node):
     # generate a 66k transaction,
     # and 14 of them is close to the 1MB block limit
-    num = 14
     txouts = gen_return_txouts()
-    utxos = utxos if utxos is not None else []
-    if len(utxos) < num:
-        utxos.clear()
-        utxos.extend(node.listunspent())
     fee = 100 * node.getnetworkinfo()["relayfee"]
-    create_lots_of_big_transactions(node, txouts, utxos, num, fee=fee)
-    node.generate(1)
+    create_lots_of_big_transactions(mini_wallet, node, fee, 14, txouts)
+    test_framework.generate(node, 1)
 
 
 def find_vout_for_address(node, txid, addr):
@@ -614,11 +545,6 @@ def find_vout_for_address(node, txid, addr):
     """
     tx = node.getrawtransaction(txid, True)
     for i in range(len(tx["vout"])):
-        scriptPubKey = tx["vout"][i]["scriptPubKey"]
-        if "addresses" in scriptPubKey:
-            if any([addr == a for a in scriptPubKey["addresses"]]):
-                return i
-        elif "address" in scriptPubKey:
-            if addr == scriptPubKey["address"]:
-                return i
+        if addr == tx["vout"][i]["scriptPubKey"]["address"]:
+            return i
     raise RuntimeError("Vout not found for address: txid=%s, addr=%s" % (txid, addr))

basicswap/db_upgrades.py

@@ -1,314 +1,450 @@
 # -*- coding: utf-8 -*-
 
 # Copyright (c) 2022-2024 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 time
 
-from sqlalchemy.orm import scoped_session
 from .db import (
+    AutomationStrategy,
     BidState,
     Concepts,
-    AutomationStrategy,
+    CURRENT_DB_DATA_VERSION,
     CURRENT_DB_VERSION,
-    CURRENT_DB_DATA_VERSION)
+)
 
 from .basicswap_util import (
     BidStates,
-    strBidState,
+    canAcceptBidState,
     isActiveBidState,
     isErrorBidState,
     isFailingBidState,
     isFinalBidState,
+    strBidState,
 )
 
 
+def addBidState(self, state, now, cursor):
+    self.add(
+        BidState(
+            active_ind=1,
+            state_id=int(state),
+            in_progress=isActiveBidState(state),
+            in_error=isErrorBidState(state),
+            swap_failed=isFailingBidState(state),
+            swap_ended=isFinalBidState(state),
+            can_accept=canAcceptBidState(state),
+            label=strBidState(state),
+            created_at=now,
+        ),
+        cursor,
+    )
+
+
 def upgradeDatabaseData(self, data_version):
     if data_version >= CURRENT_DB_DATA_VERSION:
         return
 
-    self.log.info('Upgrading database records from version %d to %d.', data_version, CURRENT_DB_DATA_VERSION)
-    with self.mxDB:
-        try:
-            session = scoped_session(self.session_factory)
+    self.log.info(
+        "Upgrading database records from version %d to %d.",
+        data_version,
+        CURRENT_DB_DATA_VERSION,
+    )
+    cursor = self.openDB()
+    try:
+        now = int(time.time())
 
-            now = int(time.time())
-
-            if data_version < 1:
-                session.add(AutomationStrategy(
+        if data_version < 1:
+            self.add(
+                AutomationStrategy(
                     active_ind=1,
-                    label='Accept All',
+                    label="Accept All",
                     type_ind=Concepts.OFFER,
-                    data=json.dumps({'exact_rate_only': True,
-                                     'max_concurrent_bids': 5}).encode('utf-8'),
+                    data=json.dumps(
+                        {"exact_rate_only": True, "max_concurrent_bids": 5}
+                    ).encode("utf-8"),
                     only_known_identities=False,
-                    created_at=now))
-                session.add(AutomationStrategy(
+                    created_at=now,
+                ),
+                cursor,
+            )
+            self.add(
+                AutomationStrategy(
                     active_ind=1,
-                    label='Accept Known',
+                    label="Accept Known",
                     type_ind=Concepts.OFFER,
-                    data=json.dumps({'exact_rate_only': True,
-                                     'max_concurrent_bids': 5}).encode('utf-8'),
+                    data=json.dumps(
+                        {"exact_rate_only": True, "max_concurrent_bids": 5}
+                    ).encode("utf-8"),
                     only_known_identities=True,
-                    note='Accept bids from identities with previously successful swaps only',
-                    created_at=now))
+                    note="Accept bids from identities with previously successful swaps only",
+                    created_at=now,
+                ),
+                cursor,
+            )
 
-                for state in BidStates:
-                    session.add(BidState(
-                        active_ind=1,
-                        state_id=int(state),
-                        in_progress=isActiveBidState(state),
-                        in_error=isErrorBidState(state),
-                        swap_failed=isFailingBidState(state),
-                        swap_ended=isFinalBidState(state),
-                        label=strBidState(state),
-                        created_at=now))
+            for state in BidStates:
+                addBidState(self, state, now, cursor)
 
-            if data_version > 0 and data_version < 2:
-                for state in (BidStates.XMR_SWAP_MSG_SCRIPT_LOCK_TX_SIGS, BidStates.XMR_SWAP_MSG_SCRIPT_LOCK_SPEND_TX):
-                    session.add(BidState(
+        if data_version > 0 and data_version < 2:
+            for state in (
+                BidStates.XMR_SWAP_MSG_SCRIPT_LOCK_TX_SIGS,
+                BidStates.XMR_SWAP_MSG_SCRIPT_LOCK_SPEND_TX,
+            ):
+                self.add(
+                    BidState(
                         active_ind=1,
                         state_id=int(state),
                         in_progress=isActiveBidState(state),
                         label=strBidState(state),
-                        created_at=now))
-            if data_version > 0 and data_version < 3:
-                for state in BidStates:
-                    in_error = isErrorBidState(state)
-                    swap_failed = isFailingBidState(state)
-                    swap_ended = isFinalBidState(state)
-                    session.execute('UPDATE bidstates SET in_error = :in_error, swap_failed = :swap_failed, swap_ended = :swap_ended WHERE state_id = :state_id', {'in_error': in_error, 'swap_failed': swap_failed, 'swap_ended': swap_ended, 'state_id': int(state)})
-            if data_version > 0 and data_version < 4:
-                for state in (BidStates.BID_REQUEST_SENT, BidStates.BID_REQUEST_ACCEPTED):
-                    session.add(BidState(
-                        active_ind=1,
-                        state_id=int(state),
-                        in_progress=isActiveBidState(state),
-                        in_error=isErrorBidState(state),
-                        swap_failed=isFailingBidState(state),
-                        swap_ended=isFinalBidState(state),
-                        label=strBidState(state),
-                        created_at=now))
+                        created_at=now,
+                    ),
+                    cursor,
+                )
+        if data_version > 0 and data_version < 6:
+            for state in BidStates:
+                in_error = isErrorBidState(state)
+                swap_failed = isFailingBidState(state)
+                swap_ended = isFinalBidState(state)
+                can_accept = canAcceptBidState(state)
+                cursor.execute(
+                    "UPDATE bidstates SET can_accept = :can_accept, 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,
+                        "can_accept": can_accept,
+                        "state_id": int(state),
+                    },
+                )
+        if data_version > 0 and data_version < 4:
+            for state in (
+                BidStates.BID_REQUEST_SENT,
+                BidStates.BID_REQUEST_ACCEPTED,
+            ):
+                addBidState(self, state, now, cursor)
 
-            self.db_data_version = CURRENT_DB_DATA_VERSION
-            self.setIntKVInSession('db_data_version', self.db_data_version, session)
-            session.commit()
-            self.log.info('Upgraded database records to version {}'.format(self.db_data_version))
-        finally:
-            session.close()
-            session.remove()
+        if data_version > 0 and data_version < 5:
+            for state in (
+                BidStates.BID_EXPIRED,
+                BidStates.BID_AACCEPT_DELAY,
+                BidStates.BID_AACCEPT_FAIL,
+            ):
+                addBidState(self, state, now, cursor)
+
+        self.db_data_version = CURRENT_DB_DATA_VERSION
+        self.setIntKV("db_data_version", self.db_data_version, cursor)
+        self.commitDB()
+        self.log.info(
+            "Upgraded database records to version {}".format(self.db_data_version)
+        )
+    finally:
+        self.closeDB(cursor, commit=False)
 
 
 def upgradeDatabase(self, db_version):
     if db_version >= CURRENT_DB_VERSION:
         return
 
-    self.log.info('Upgrading database from version %d to %d.', db_version, CURRENT_DB_VERSION)
+    self.log.info(
+        f"Upgrading database from version {db_version} to {CURRENT_DB_VERSION}."
+    )
 
     while True:
-        session = scoped_session(self.session_factory)
+        try:
+            cursor = self.openDB()
 
-        current_version = db_version
-        if current_version == 6:
-            session.execute('ALTER TABLE bids ADD COLUMN security_token BLOB')
-            session.execute('ALTER TABLE offers ADD COLUMN security_token BLOB')
-            db_version += 1
-        elif current_version == 7:
-            session.execute('ALTER TABLE transactions ADD COLUMN block_hash BLOB')
-            session.execute('ALTER TABLE transactions ADD COLUMN block_height INTEGER')
-            session.execute('ALTER TABLE transactions ADD COLUMN block_time INTEGER')
-            db_version += 1
-        elif current_version == 8:
-            session.execute('''
-                CREATE TABLE wallets (
-                    record_id INTEGER NOT NULL,
-                    coin_id INTEGER,
-                    wallet_name VARCHAR,
-                    wallet_data VARCHAR,
-                    balance_type INTEGER,
-                    created_at BIGINT,
-                    PRIMARY KEY (record_id))''')
-            db_version += 1
-        elif current_version == 9:
-            session.execute('ALTER TABLE wallets ADD COLUMN wallet_data VARCHAR')
-            db_version += 1
-        elif current_version == 10:
-            session.execute('ALTER TABLE smsgaddresses ADD COLUMN active_ind INTEGER')
-            session.execute('ALTER TABLE smsgaddresses ADD COLUMN created_at INTEGER')
-            session.execute('ALTER TABLE smsgaddresses ADD COLUMN note VARCHAR')
-            session.execute('ALTER TABLE smsgaddresses ADD COLUMN pubkey VARCHAR')
-            session.execute('UPDATE smsgaddresses SET active_ind = 1, created_at = 1')
+            current_version = db_version
+            if current_version == 6:
+                cursor.execute("ALTER TABLE bids ADD COLUMN security_token BLOB")
+                cursor.execute("ALTER TABLE offers ADD COLUMN security_token BLOB")
+                db_version += 1
+            elif current_version == 7:
+                cursor.execute("ALTER TABLE transactions ADD COLUMN block_hash BLOB")
+                cursor.execute(
+                    "ALTER TABLE transactions ADD COLUMN block_height INTEGER"
+                )
+                cursor.execute("ALTER TABLE transactions ADD COLUMN block_time INTEGER")
+                db_version += 1
+            elif current_version == 8:
+                cursor.execute(
+                    """
+                    CREATE TABLE wallets (
+                        record_id INTEGER NOT NULL,
+                        coin_id INTEGER,
+                        wallet_name VARCHAR,
+                        wallet_data VARCHAR,
+                        balance_type INTEGER,
+                        created_at BIGINT,
+                        PRIMARY KEY (record_id))"""
+                )
+                db_version += 1
+            elif current_version == 9:
+                cursor.execute("ALTER TABLE wallets ADD COLUMN wallet_data VARCHAR")
+                db_version += 1
+            elif current_version == 10:
+                cursor.execute(
+                    "ALTER TABLE smsgaddresses ADD COLUMN active_ind INTEGER"
+                )
+                cursor.execute(
+                    "ALTER TABLE smsgaddresses ADD COLUMN created_at INTEGER"
+                )
+                cursor.execute("ALTER TABLE smsgaddresses ADD COLUMN note VARCHAR")
+                cursor.execute("ALTER TABLE smsgaddresses ADD COLUMN pubkey VARCHAR")
+                cursor.execute(
+                    "UPDATE smsgaddresses SET active_ind = 1, created_at = 1"
+                )
 
-            session.execute('ALTER TABLE offers ADD COLUMN addr_to VARCHAR')
-            session.execute(f'UPDATE offers SET addr_to = "{self.network_addr}"')
-            db_version += 1
-        elif current_version == 11:
-            session.execute('ALTER TABLE bids ADD COLUMN chain_a_height_start INTEGER')
-            session.execute('ALTER TABLE bids ADD COLUMN chain_b_height_start INTEGER')
-            session.execute('ALTER TABLE bids ADD COLUMN protocol_version INTEGER')
-            session.execute('ALTER TABLE offers ADD COLUMN protocol_version INTEGER')
-            session.execute('ALTER TABLE transactions ADD COLUMN tx_data BLOB')
-            db_version += 1
-        elif current_version == 12:
-            session.execute('''
-                CREATE TABLE knownidentities (
-                    record_id INTEGER NOT NULL,
-                    address VARCHAR,
-                    label VARCHAR,
-                    publickey BLOB,
-                    num_sent_bids_successful INTEGER,
-                    num_recv_bids_successful INTEGER,
-                    num_sent_bids_rejected INTEGER,
-                    num_recv_bids_rejected INTEGER,
-                    num_sent_bids_failed INTEGER,
-                    num_recv_bids_failed INTEGER,
-                    note VARCHAR,
-                    updated_at BIGINT,
-                    created_at BIGINT,
-                    PRIMARY KEY (record_id))''')
-            session.execute('ALTER TABLE bids ADD COLUMN reject_code INTEGER')
-            session.execute('ALTER TABLE bids ADD COLUMN rate INTEGER')
-            session.execute('ALTER TABLE offers ADD COLUMN amount_negotiable INTEGER')
-            session.execute('ALTER TABLE offers ADD COLUMN rate_negotiable INTEGER')
-            db_version += 1
-        elif current_version == 13:
-            db_version += 1
-            session.execute('''
-                CREATE TABLE automationstrategies (
-                    record_id INTEGER NOT NULL,
-                    active_ind INTEGER,
-                    label VARCHAR,
-                    type_ind INTEGER,
-                    only_known_identities INTEGER,
-                    num_concurrent INTEGER,
-                    data BLOB,
+                cursor.execute("ALTER TABLE offers ADD COLUMN addr_to VARCHAR")
+                cursor.execute(f'UPDATE offers SET addr_to = "{self.network_addr}"')
+                db_version += 1
+            elif current_version == 11:
+                cursor.execute(
+                    "ALTER TABLE bids ADD COLUMN chain_a_height_start INTEGER"
+                )
+                cursor.execute(
+                    "ALTER TABLE bids ADD COLUMN chain_b_height_start INTEGER"
+                )
+                cursor.execute("ALTER TABLE bids ADD COLUMN protocol_version INTEGER")
+                cursor.execute("ALTER TABLE offers ADD COLUMN protocol_version INTEGER")
+                cursor.execute("ALTER TABLE transactions ADD COLUMN tx_data BLOB")
+                db_version += 1
+            elif current_version == 12:
+                cursor.execute(
+                    """
+                    CREATE TABLE knownidentities (
+                        record_id INTEGER NOT NULL,
+                        address VARCHAR,
+                        label VARCHAR,
+                        publickey BLOB,
+                        num_sent_bids_successful INTEGER,
+                        num_recv_bids_successful INTEGER,
+                        num_sent_bids_rejected INTEGER,
+                        num_recv_bids_rejected INTEGER,
+                        num_sent_bids_failed INTEGER,
+                        num_recv_bids_failed INTEGER,
+                        note VARCHAR,
+                        updated_at BIGINT,
+                        created_at BIGINT,
+                        PRIMARY KEY (record_id))"""
+                )
+                cursor.execute("ALTER TABLE bids ADD COLUMN reject_code INTEGER")
+                cursor.execute("ALTER TABLE bids ADD COLUMN rate INTEGER")
+                cursor.execute(
+                    "ALTER TABLE offers ADD COLUMN amount_negotiable INTEGER"
+                )
+                cursor.execute("ALTER TABLE offers ADD COLUMN rate_negotiable INTEGER")
+                db_version += 1
+            elif current_version == 13:
+                db_version += 1
+                cursor.execute(
+                    """
+                    CREATE TABLE automationstrategies (
+                        record_id INTEGER NOT NULL,
+                        active_ind INTEGER,
+                        label VARCHAR,
+                        type_ind INTEGER,
+                        only_known_identities INTEGER,
+                        num_concurrent INTEGER,
+                        data BLOB,
 
-                    note VARCHAR,
-                    created_at BIGINT,
-                    PRIMARY KEY (record_id))''')
+                        note VARCHAR,
+                        created_at BIGINT,
+                        PRIMARY KEY (record_id))"""
+                )
 
-            session.execute('''
-                CREATE TABLE automationlinks (
-                    record_id INTEGER NOT NULL,
-                    active_ind INTEGER,
+                cursor.execute(
+                    """
+                    CREATE TABLE automationlinks (
+                        record_id INTEGER NOT NULL,
+                        active_ind INTEGER,
 
-                    linked_type INTEGER,
-                    linked_id BLOB,
-                    strategy_id INTEGER,
+                        linked_type INTEGER,
+                        linked_id BLOB,
+                        strategy_id INTEGER,
 
-                    data BLOB,
-                    repeat_limit INTEGER,
-                    repeat_count INTEGER,
+                        data BLOB,
+                        repeat_limit INTEGER,
+                        repeat_count INTEGER,
 
-                    note VARCHAR,
-                    created_at BIGINT,
-                    PRIMARY KEY (record_id))''')
+                        note VARCHAR,
+                        created_at BIGINT,
+                        PRIMARY KEY (record_id))"""
+                )
 
-            session.execute('''
-                CREATE TABLE history (
-                    record_id INTEGER NOT NULL,
-                    concept_type INTEGER,
-                    concept_id INTEGER,
-                    changed_data BLOB,
+                cursor.execute(
+                    """
+                    CREATE TABLE history (
+                        record_id INTEGER NOT NULL,
+                        concept_type INTEGER,
+                        concept_id INTEGER,
+                        changed_data BLOB,
 
-                    note VARCHAR,
-                    created_at BIGINT,
-                    PRIMARY KEY (record_id))''')
+                        note VARCHAR,
+                        created_at BIGINT,
+                        PRIMARY KEY (record_id))"""
+                )
 
-            session.execute('''
-                CREATE TABLE bidstates (
-                    record_id INTEGER NOT NULL,
-                    active_ind INTEGER,
-                    state_id INTEGER,
-                    label VARCHAR,
-                    in_progress INTEGER,
+                cursor.execute(
+                    """
+                    CREATE TABLE bidstates (
+                        record_id INTEGER NOT NULL,
+                        active_ind INTEGER,
+                        state_id INTEGER,
+                        label VARCHAR,
+                        in_progress INTEGER,
 
-                    note VARCHAR,
-                    created_at BIGINT,
-                    PRIMARY KEY (record_id))''')
+                        note VARCHAR,
+                        created_at BIGINT,
+                        PRIMARY KEY (record_id))"""
+                )
 
-            session.execute('ALTER TABLE wallets ADD COLUMN active_ind INTEGER')
-            session.execute('ALTER TABLE knownidentities ADD COLUMN active_ind INTEGER')
-            session.execute('ALTER TABLE eventqueue RENAME TO actions')
-            session.execute('ALTER TABLE actions RENAME COLUMN event_id TO action_id')
-            session.execute('ALTER TABLE actions RENAME COLUMN event_type TO action_type')
-            session.execute('ALTER TABLE actions RENAME COLUMN event_data TO action_data')
-        elif current_version == 14:
-            db_version += 1
-            session.execute('ALTER TABLE xmr_swaps ADD COLUMN coin_a_lock_release_msg_id BLOB')
-            session.execute('ALTER TABLE xmr_swaps RENAME COLUMN coin_a_lock_refund_spend_tx_msg_id TO coin_a_lock_spend_tx_msg_id')
-        elif current_version == 15:
-            db_version += 1
-            session.execute('''
-                CREATE TABLE notifications (
-                    record_id INTEGER NOT NULL,
-                    active_ind INTEGER,
-                    event_type INTEGER,
-                    event_data BLOB,
-                    created_at BIGINT,
-                    PRIMARY KEY (record_id))''')
-        elif current_version == 16:
-            db_version += 1
-            session.execute('''
-                CREATE TABLE prefunded_transactions (
-                    record_id INTEGER NOT NULL,
-                    active_ind INTEGER,
-                    created_at BIGINT,
-                    linked_type INTEGER,
-                    linked_id BLOB,
-                    tx_type INTEGER,
-                    tx_data BLOB,
-                    used_by BLOB,
-                    PRIMARY KEY (record_id))''')
-        elif current_version == 17:
-            db_version += 1
-            session.execute('ALTER TABLE knownidentities ADD COLUMN automation_override INTEGER')
-            session.execute('ALTER TABLE knownidentities ADD COLUMN visibility_override INTEGER')
-            session.execute('ALTER TABLE knownidentities ADD COLUMN data BLOB')
-            session.execute('UPDATE knownidentities SET active_ind = 1')
-        elif current_version == 18:
-            db_version += 1
-            session.execute('ALTER TABLE xmr_split_data ADD COLUMN addr_from STRING')
-            session.execute('ALTER TABLE xmr_split_data ADD COLUMN addr_to STRING')
-        elif current_version == 19:
-            db_version += 1
-            session.execute('ALTER TABLE bidstates ADD COLUMN in_error INTEGER')
-            session.execute('ALTER TABLE bidstates ADD COLUMN swap_failed INTEGER')
-            session.execute('ALTER TABLE bidstates ADD COLUMN swap_ended INTEGER')
-        elif current_version == 20:
-            db_version += 1
-            session.execute('''
-                CREATE TABLE message_links (
-                    record_id INTEGER NOT NULL,
-                    active_ind INTEGER,
-                    created_at BIGINT,
+                cursor.execute("ALTER TABLE wallets ADD COLUMN active_ind INTEGER")
+                cursor.execute(
+                    "ALTER TABLE knownidentities ADD COLUMN active_ind INTEGER"
+                )
+                cursor.execute("ALTER TABLE eventqueue RENAME TO actions")
+                cursor.execute(
+                    "ALTER TABLE actions RENAME COLUMN event_id TO action_id"
+                )
+                cursor.execute(
+                    "ALTER TABLE actions RENAME COLUMN event_type TO action_type"
+                )
+                cursor.execute(
+                    "ALTER TABLE actions RENAME COLUMN event_data TO action_data"
+                )
+            elif current_version == 14:
+                db_version += 1
+                cursor.execute(
+                    "ALTER TABLE xmr_swaps ADD COLUMN coin_a_lock_release_msg_id BLOB"
+                )
+                cursor.execute(
+                    "ALTER TABLE xmr_swaps RENAME COLUMN coin_a_lock_refund_spend_tx_msg_id TO coin_a_lock_spend_tx_msg_id"
+                )
+            elif current_version == 15:
+                db_version += 1
+                cursor.execute(
+                    """
+                    CREATE TABLE notifications (
+                        record_id INTEGER NOT NULL,
+                        active_ind INTEGER,
+                        event_type INTEGER,
+                        event_data BLOB,
+                        created_at BIGINT,
+                        PRIMARY KEY (record_id))"""
+                )
+            elif current_version == 16:
+                db_version += 1
+                cursor.execute(
+                    """
+                    CREATE TABLE prefunded_transactions (
+                        record_id INTEGER NOT NULL,
+                        active_ind INTEGER,
+                        created_at BIGINT,
+                        linked_type INTEGER,
+                        linked_id BLOB,
+                        tx_type INTEGER,
+                        tx_data BLOB,
+                        used_by BLOB,
+                        PRIMARY KEY (record_id))"""
+                )
+            elif current_version == 17:
+                db_version += 1
+                cursor.execute(
+                    "ALTER TABLE knownidentities ADD COLUMN automation_override INTEGER"
+                )
+                cursor.execute(
+                    "ALTER TABLE knownidentities ADD COLUMN visibility_override INTEGER"
+                )
+                cursor.execute("ALTER TABLE knownidentities ADD COLUMN data BLOB")
+                cursor.execute("UPDATE knownidentities SET active_ind = 1")
+            elif current_version == 18:
+                db_version += 1
+                cursor.execute("ALTER TABLE xmr_split_data ADD COLUMN addr_from STRING")
+                cursor.execute("ALTER TABLE xmr_split_data ADD COLUMN addr_to STRING")
+            elif current_version == 19:
+                db_version += 1
+                cursor.execute("ALTER TABLE bidstates ADD COLUMN in_error INTEGER")
+                cursor.execute("ALTER TABLE bidstates ADD COLUMN swap_failed INTEGER")
+                cursor.execute("ALTER TABLE bidstates ADD COLUMN swap_ended INTEGER")
+            elif current_version == 20:
+                db_version += 1
+                cursor.execute(
+                    """
+                    CREATE TABLE message_links (
+                        record_id INTEGER NOT NULL,
+                        active_ind INTEGER,
+                        created_at BIGINT,
 
-                    linked_type INTEGER,
-                    linked_id BLOB,
+                        linked_type INTEGER,
+                        linked_id BLOB,
 
-                    msg_type INTEGER,
-                    msg_sequence INTEGER,
-                    msg_id BLOB,
-                    PRIMARY KEY (record_id))''')
-            session.execute('ALTER TABLE offers ADD COLUMN bid_reversed INTEGER')
-        elif current_version == 21:
-            db_version += 1
-            session.execute('ALTER TABLE offers ADD COLUMN proof_utxos BLOB')
-            session.execute('ALTER TABLE bids ADD COLUMN proof_utxos BLOB')
-        elif current_version == 22:
-            db_version += 1
-            session.execute('ALTER TABLE offers ADD COLUMN amount_to INTEGER')
-        if current_version != db_version:
-            self.db_version = db_version
-            self.setIntKVInSession('db_version', db_version, session)
-            session.commit()
-            session.close()
-            session.remove()
-            self.log.info('Upgraded database to version {}'.format(self.db_version))
-            continue
+                        msg_type INTEGER,
+                        msg_sequence INTEGER,
+                        msg_id BLOB,
+                        PRIMARY KEY (record_id))"""
+                )
+                cursor.execute("ALTER TABLE offers ADD COLUMN bid_reversed INTEGER")
+            elif current_version == 21:
+                db_version += 1
+                cursor.execute("ALTER TABLE offers ADD COLUMN proof_utxos BLOB")
+                cursor.execute("ALTER TABLE bids ADD COLUMN proof_utxos BLOB")
+            elif current_version == 22:
+                db_version += 1
+                cursor.execute("ALTER TABLE offers ADD COLUMN amount_to INTEGER")
+            elif current_version == 23:
+                db_version += 1
+                cursor.execute(
+                    """
+                    CREATE TABLE checkedblocks (
+                        record_id INTEGER NOT NULL,
+                        created_at BIGINT,
+                        coin_type INTEGER,
+                        block_height INTEGER,
+                        block_hash BLOB,
+                        block_time INTEGER,
+                        PRIMARY KEY (record_id))"""
+                )
+                cursor.execute("ALTER TABLE bids ADD COLUMN pkhash_buyer_to BLOB")
+            elif current_version == 24:
+                db_version += 1
+                cursor.execute("ALTER TABLE bidstates ADD COLUMN can_accept INTEGER")
+            elif current_version == 25:
+                db_version += 1
+                cursor.execute(
+                    """
+                    CREATE TABLE coinrates (
+                        record_id INTEGER NOT NULL,
+                        currency_from INTEGER,
+                        currency_to INTEGER,
+                        rate VARCHAR,
+                        source VARCHAR,
+                        last_updated INTEGER,
+                        PRIMARY KEY (record_id))"""
+                )
+            elif current_version == 26:
+                db_version += 1
+                cursor.execute("ALTER TABLE offers ADD COLUMN auto_accept_type INTEGER")
+            elif current_version == 27:
+                db_version += 1
+                cursor.execute("ALTER TABLE offers ADD COLUMN pk_from BLOB")
+                cursor.execute("ALTER TABLE bids ADD COLUMN pk_bid_addr BLOB")
+
+            if current_version != db_version:
+                self.db_version = db_version
+                self.setIntKV("db_version", db_version, cursor)
+                self.commitDB()
+                self.log.info("Upgraded database to version {}".format(self.db_version))
+                continue
+        except Exception as e:
+            self.log.error("Upgrade failed {}".format(e))
+            self.rollbackDB()
+        finally:
+            self.closeDB(cursor, commit=False)
         break
 
     if db_version != CURRENT_DB_VERSION:
-        raise ValueError('Unable to upgrade database.')
+        raise ValueError("Unable to upgrade database.")

basicswap/db_util.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-# Copyright (c) 2023 The BSX Developers
+# Copyright (c) 2023-2024 The Basicswap Developers
 # Distributed under the MIT software license, see the accompanying
 # file LICENSE or http://www.opensource.org/licenses/mit-license.php.
 
@@ -12,45 +12,122 @@ from .db import (
 def remove_expired_data(self, time_offset: int = 0):
     now: int = self.getTime()
     try:
-        session = self.openSession()
+        cursor = self.openDB()
 
-        active_bids_insert = self.activeBidsQueryStr(now, '', 'b2')
-        query_str = f'''
+        active_bids_insert: str = self.activeBidsQueryStr("", "b2")
+        query_str = f"""
                     SELECT o.offer_id FROM offers o
                     WHERE o.expire_at <= :expired_at AND 0 = (SELECT COUNT(*) FROM bids b2 WHERE b2.offer_id = o.offer_id AND {active_bids_insert})
-                    '''
+                    """
         num_offers = 0
         num_bids = 0
-        offer_rows = session.execute(query_str, {'expired_at': now - time_offset})
+        offer_rows = cursor.execute(
+            query_str, {"now": now, "expired_at": now - time_offset}
+        )
         for offer_row in offer_rows:
             num_offers += 1
-            bid_rows = session.execute('SELECT bids.bid_id FROM bids WHERE bids.offer_id = :offer_id', {'offer_id': offer_row[0]})
+            bid_rows = cursor.execute(
+                "SELECT bids.bid_id FROM bids WHERE bids.offer_id = :offer_id",
+                {"offer_id": offer_row[0]},
+            )
             for bid_row in bid_rows:
                 num_bids += 1
-                session.execute('DELETE FROM transactions WHERE transactions.bid_id = :bid_id', {'bid_id': bid_row[0]})
-                session.execute('DELETE FROM eventlog WHERE eventlog.linked_type = :type_ind AND eventlog.linked_id = :bid_id', {'type_ind': int(Concepts.BID), 'bid_id': bid_row[0]})
-                session.execute('DELETE FROM automationlinks WHERE automationlinks.linked_type = :type_ind AND automationlinks.linked_id = :bid_id', {'type_ind': int(Concepts.BID), 'bid_id': bid_row[0]})
-                session.execute('DELETE FROM prefunded_transactions WHERE prefunded_transactions.linked_type = :type_ind AND prefunded_transactions.linked_id = :bid_id', {'type_ind': int(Concepts.BID), 'bid_id': bid_row[0]})
-                session.execute('DELETE FROM history WHERE history.concept_type = :type_ind AND history.concept_id = :bid_id', {'type_ind': int(Concepts.BID), 'bid_id': bid_row[0]})
-                session.execute('DELETE FROM xmr_swaps WHERE xmr_swaps.bid_id = :bid_id', {'bid_id': bid_row[0]})
-                session.execute('DELETE FROM actions WHERE actions.linked_id = :bid_id', {'bid_id': bid_row[0]})
-                session.execute('DELETE FROM addresspool WHERE addresspool.bid_id = :bid_id', {'bid_id': bid_row[0]})
-                session.execute('DELETE FROM xmr_split_data WHERE xmr_split_data.bid_id = :bid_id', {'bid_id': bid_row[0]})
-                session.execute('DELETE FROM bids WHERE bids.bid_id = :bid_id', {'bid_id': bid_row[0]})
-                session.execute('DELETE FROM message_links WHERE linked_type = :type_ind AND linked_id = :linked_id', {'type_ind': int(Concepts.BID), 'linked_id': bid_row[0]})
+                cursor.execute(
+                    "DELETE FROM transactions WHERE transactions.bid_id = :bid_id",
+                    {"bid_id": bid_row[0]},
+                )
+                cursor.execute(
+                    "DELETE FROM eventlog WHERE eventlog.linked_type = :type_ind AND eventlog.linked_id = :bid_id",
+                    {"type_ind": int(Concepts.BID), "bid_id": bid_row[0]},
+                )
+                cursor.execute(
+                    "DELETE FROM automationlinks WHERE automationlinks.linked_type = :type_ind AND automationlinks.linked_id = :bid_id",
+                    {"type_ind": int(Concepts.BID), "bid_id": bid_row[0]},
+                )
+                cursor.execute(
+                    "DELETE FROM prefunded_transactions WHERE prefunded_transactions.linked_type = :type_ind AND prefunded_transactions.linked_id = :bid_id",
+                    {"type_ind": int(Concepts.BID), "bid_id": bid_row[0]},
+                )
+                cursor.execute(
+                    "DELETE FROM history WHERE history.concept_type = :type_ind AND history.concept_id = :bid_id",
+                    {"type_ind": int(Concepts.BID), "bid_id": bid_row[0]},
+                )
+                cursor.execute(
+                    "DELETE FROM xmr_swaps WHERE xmr_swaps.bid_id = :bid_id",
+                    {"bid_id": bid_row[0]},
+                )
+                cursor.execute(
+                    "DELETE FROM actions WHERE actions.linked_id = :bid_id",
+                    {"bid_id": bid_row[0]},
+                )
+                cursor.execute(
+                    "DELETE FROM addresspool WHERE addresspool.bid_id = :bid_id",
+                    {"bid_id": bid_row[0]},
+                )
+                cursor.execute(
+                    "DELETE FROM xmr_split_data WHERE xmr_split_data.bid_id = :bid_id",
+                    {"bid_id": bid_row[0]},
+                )
+                cursor.execute(
+                    "DELETE FROM bids WHERE bids.bid_id = :bid_id",
+                    {"bid_id": bid_row[0]},
+                )
+                cursor.execute(
+                    "DELETE FROM message_links WHERE linked_type = :type_ind AND linked_id = :linked_id",
+                    {"type_ind": int(Concepts.BID), "linked_id": bid_row[0]},
+                )
 
-            session.execute('DELETE FROM eventlog WHERE eventlog.linked_type = :type_ind AND eventlog.linked_id = :offer_id', {'type_ind': int(Concepts.OFFER), 'offer_id': offer_row[0]})
-            session.execute('DELETE FROM automationlinks WHERE automationlinks.linked_type = :type_ind AND automationlinks.linked_id = :offer_id', {'type_ind': int(Concepts.OFFER), 'offer_id': offer_row[0]})
-            session.execute('DELETE FROM prefunded_transactions WHERE prefunded_transactions.linked_type = :type_ind AND prefunded_transactions.linked_id = :offer_id', {'type_ind': int(Concepts.OFFER), 'offer_id': offer_row[0]})
-            session.execute('DELETE FROM history WHERE history.concept_type = :type_ind AND history.concept_id = :offer_id', {'type_ind': int(Concepts.OFFER), 'offer_id': offer_row[0]})
-            session.execute('DELETE FROM xmr_offers WHERE xmr_offers.offer_id = :offer_id', {'offer_id': offer_row[0]})
-            session.execute('DELETE FROM sentoffers WHERE sentoffers.offer_id = :offer_id', {'offer_id': offer_row[0]})
-            session.execute('DELETE FROM actions WHERE actions.linked_id = :offer_id', {'offer_id': offer_row[0]})
-            session.execute('DELETE FROM offers WHERE offers.offer_id = :offer_id', {'offer_id': offer_row[0]})
-            session.execute('DELETE FROM message_links WHERE linked_type = :type_ind AND linked_id = :offer_id', {'type_ind': int(Concepts.OFFER), 'offer_id': offer_row[0]})
+            cursor.execute(
+                "DELETE FROM eventlog WHERE eventlog.linked_type = :type_ind AND eventlog.linked_id = :offer_id",
+                {"type_ind": int(Concepts.OFFER), "offer_id": offer_row[0]},
+            )
+            cursor.execute(
+                "DELETE FROM automationlinks WHERE automationlinks.linked_type = :type_ind AND automationlinks.linked_id = :offer_id",
+                {"type_ind": int(Concepts.OFFER), "offer_id": offer_row[0]},
+            )
+            cursor.execute(
+                "DELETE FROM prefunded_transactions WHERE prefunded_transactions.linked_type = :type_ind AND prefunded_transactions.linked_id = :offer_id",
+                {"type_ind": int(Concepts.OFFER), "offer_id": offer_row[0]},
+            )
+            cursor.execute(
+                "DELETE FROM history WHERE history.concept_type = :type_ind AND history.concept_id = :offer_id",
+                {"type_ind": int(Concepts.OFFER), "offer_id": offer_row[0]},
+            )
+            cursor.execute(
+                "DELETE FROM xmr_offers WHERE xmr_offers.offer_id = :offer_id",
+                {"offer_id": offer_row[0]},
+            )
+            cursor.execute(
+                "DELETE FROM sentoffers WHERE sentoffers.offer_id = :offer_id",
+                {"offer_id": offer_row[0]},
+            )
+            cursor.execute(
+                "DELETE FROM actions WHERE actions.linked_id = :offer_id",
+                {"offer_id": offer_row[0]},
+            )
+            cursor.execute(
+                "DELETE FROM offers WHERE offers.offer_id = :offer_id",
+                {"offer_id": offer_row[0]},
+            )
+            cursor.execute(
+                "DELETE FROM message_links WHERE linked_type = :type_ind AND linked_id = :offer_id",
+                {"type_ind": int(Concepts.OFFER), "offer_id": offer_row[0]},
+            )
 
         if num_offers > 0 or num_bids > 0:
-            self.log.info('Removed data for {} expired offer{} and {} bid{}.'.format(num_offers, 's' if num_offers != 1 else '', num_bids, 's' if num_bids != 1 else ''))
+            self.log.info(
+                "Removed data for {} expired offer{} and {} bid{}.".format(
+                    num_offers,
+                    "s" if num_offers != 1 else "",
+                    num_bids,
+                    "s" if num_bids != 1 else "",
+                )
+            )
+
+        cursor.execute(
+            "DELETE FROM checkedblocks WHERE created_at <= :expired_at",
+            {"expired_at": now - time_offset},
+        )
 
     finally:
-        self.closeSession(session)
+        self.closeDB(cursor)

basicswap/ed25519_fast_util.py

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

basicswap/explorers.py

@@ -1,13 +1,20 @@
 # -*- coding: utf-8 -*-
 
 # Copyright (c) 2019-2023 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.
 
 import json
 
 
-class Explorer():
+default_chart_api_key = (
+    "95dd900af910656e0e17c41f2ddc5dba77d01bf8b0e7d2787634a16bd976c553"
+)
+default_coingecko_api_key = "CG-8hm3r9iLfpEXv4ied8oLbeUj"
+
+
+class Explorer:
     def __init__(self, swapclient, coin_type, base_url):
         self.swapclient = swapclient
         self.coin_type = coin_type
@@ -15,82 +22,94 @@ class Explorer():
         self.log = self.swapclient.log
 
     def readURL(self, url):
-        self.log.debug('Explorer url: {}'.format(url))
+        self.log.debug("Explorer url: {}".format(url))
         return self.swapclient.readURL(url)
 
 
 class ExplorerInsight(Explorer):
     def getChainHeight(self):
-        return json.loads(self.readURL(self.base_url + '/sync'))['blockChainHeight']
+        return json.loads(self.readURL(self.base_url + "/sync"))["blockChainHeight"]
 
     def getBlock(self, block_hash):
-        data = json.loads(self.readURL(self.base_url + '/block/{}'.format(block_hash)))
+        data = json.loads(self.readURL(self.base_url + "/block/{}".format(block_hash)))
         return data
 
     def getTransaction(self, txid):
-        data = json.loads(self.readURL(self.base_url + '/tx/{}'.format(txid)))
+        data = json.loads(self.readURL(self.base_url + "/tx/{}".format(txid)))
         return data
 
     def getBalance(self, address):
-        data = json.loads(self.readURL(self.base_url + '/addr/{}/balance'.format(address)))
+        data = json.loads(
+            self.readURL(self.base_url + "/addr/{}/balance".format(address))
+        )
         return data
 
     def lookupUnspentByAddress(self, address):
-        data = json.loads(self.readURL(self.base_url + '/addr/{}/utxo'.format(address)))
+        data = json.loads(self.readURL(self.base_url + "/addr/{}/utxo".format(address)))
         rv = []
         for utxo in data:
-            rv.append({
-                'txid': utxo['txid'],
-                'index': utxo['vout'],
-                'height': utxo['height'],
-                'n_conf': utxo['confirmations'],
-                'value': utxo['satoshis'],
-            })
+            rv.append(
+                {
+                    "txid": utxo["txid"],
+                    "index": utxo["vout"],
+                    "height": utxo["height"],
+                    "n_conf": utxo["confirmations"],
+                    "value": utxo["satoshis"],
+                }
+            )
         return rv
 
 
 class ExplorerBitAps(Explorer):
     def getChainHeight(self):
-        return json.loads(self.readURL(self.base_url + '/block/last'))['data']['block']['height']
+        return json.loads(self.readURL(self.base_url + "/block/last"))["data"]["block"][
+            "height"
+        ]
 
     def getBlock(self, block_hash):
-        data = json.loads(self.readURL(self.base_url + '/block/{}'.format(block_hash)))
+        data = json.loads(self.readURL(self.base_url + "/block/{}".format(block_hash)))
         return data
 
     def getTransaction(self, txid):
-        data = json.loads(self.readURL(self.base_url + '/transaction/{}'.format(txid)))
+        data = json.loads(self.readURL(self.base_url + "/transaction/{}".format(txid)))
         return data
 
     def getBalance(self, address):
-        data = json.loads(self.readURL(self.base_url + '/address/state/' + address))
-        return data['data']['balance']
+        data = json.loads(self.readURL(self.base_url + "/address/state/" + address))
+        return data["data"]["balance"]
 
     def lookupUnspentByAddress(self, address):
         # Can't get unspents return only if exactly one transaction exists
-        data = json.loads(self.readURL(self.base_url + '/address/transactions/' + address))
+        data = json.loads(
+            self.readURL(self.base_url + "/address/transactions/" + address)
+        )
         try:
-            assert data['data']['list'] == 1
+            assert data["data"]["list"] == 1
         except Exception as ex:
-            self.log.debug('Explorer error: {}'.format(str(ex)))
+            self.log.debug("Explorer error: {}".format(str(ex)))
             return None
-        tx = data['data']['list'][0]
-        tx_data = json.loads(self.readURL(self.base_url + '/transaction/{}'.format(tx['txId'])))['data']
+        tx = data["data"]["list"][0]
+        tx_data = json.loads(
+            self.readURL(self.base_url + "/transaction/{}".format(tx["txId"]))
+        )["data"]
 
-        for i, vout in tx_data['vOut'].items():
-            if vout['address'] == address:
-                return [{
-                    'txid': tx_data['txId'],
-                    'index': int(i),
-                    'height': tx_data['blockHeight'],
-                    'n_conf': tx_data['confirmations'],
-                    'value': vout['value'],
-                }]
+        for i, vout in tx_data["vOut"].items():
+            if vout["address"] == address:
+                return [
+                    {
+                        "txid": tx_data["txId"],
+                        "index": int(i),
+                        "height": tx_data["blockHeight"],
+                        "n_conf": tx_data["confirmations"],
+                        "value": vout["value"],
+                    }
+                ]
 
 
 class ExplorerChainz(Explorer):
     def getChainHeight(self):
-        return int(self.readURL(self.base_url + '?q=getblockcount'))
+        return int(self.readURL(self.base_url + "?q=getblockcount"))
 
     def lookupUnspentByAddress(self, address):
         chain_height = self.getChainHeight()
-        self.log.debug('[rm] chain_height %d', chain_height)
+        self.log.debug("[rm] chain_height %d", chain_height)

basicswap/interface/__init__.py

@@ -1,13 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-
-# Copyright (c) 2023 tecnovert
-# Distributed under the MIT software license, see the accompanying
-# file LICENSE or http://www.opensource.org/licenses/mit-license.php.
-
-from enum import IntEnum
-
-
-class Curves(IntEnum):
-    secp256k1 = 1
-    ed25519 = 2

basicswap/interface/base.py

@@ -0,0 +1,233 @@
+#!/usr/bin/env python
+# -*- 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.
+
+import threading
+
+from enum import IntEnum
+
+from basicswap.chainparams import (
+    chainparams,
+)
+from basicswap.util import (
+    ensure,
+    i2b,
+    b2i,
+    make_int,
+    format_amount,
+    TemporaryError,
+)
+from basicswap.util.crypto import (
+    hash160,
+)
+from basicswap.util.ecc import (
+    ep,
+    getSecretInt,
+)
+from coincurve.dleag import verify_secp256k1_point
+from coincurve.keys import (
+    PublicKey,
+)
+
+
+class Curves(IntEnum):
+    secp256k1 = 1
+    ed25519 = 2
+
+
+class CoinInterface:
+    @staticmethod
+    def watch_blocks_for_scripts() -> bool:
+        return False
+
+    @staticmethod
+    def compareFeeRates(a, b) -> bool:
+        return abs(a - b) < 20
+
+    def __init__(self, network):
+        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
+        self._restore_height = None
+
+    def make_int(self, amount_in: int, r: int = 0) -> int:
+        return make_int(amount_in, self.exp(), r=r)
+
+    def format_amount(self, amount_in, conv_int=False, r=0):
+        amount_int = make_int(amount_in, self.exp(), r=r) if conv_int else amount_in
+        return format_amount(amount_int, self.exp())
+
+    def coin_name(self) -> str:
+        coin_chainparams = chainparams[self.coin_type()]
+        if "display_name" in coin_chainparams:
+            return coin_chainparams["display_name"]
+        return coin_chainparams["name"].capitalize()
+
+    def ticker(self) -> str:
+        ticker = chainparams[self.coin_type()]["ticker"]
+        if self._network == "testnet":
+            ticker = "t" + ticker
+        elif self._network == "regtest":
+            ticker = "rt" + ticker
+        return ticker
+
+    def getExchangeTicker(self, exchange_name: str) -> str:
+        return chainparams[self.coin_type()]["ticker"]
+
+    def getExchangeName(self, exchange_name: str) -> str:
+        return chainparams[self.coin_type()]["name"]
+
+    def ticker_mainnet(self) -> str:
+        ticker = chainparams[self.coin_type()]["ticker"]
+        return ticker
+
+    def min_amount(self) -> int:
+        return chainparams[self.coin_type()][self._network]["min_amount"]
+
+    def max_amount(self) -> int:
+        return chainparams[self.coin_type()][self._network]["max_amount"]
+
+    def setWalletSeedWarning(self, value: bool) -> None:
+        self._unknown_wallet_seed = value
+
+    def setWalletRestoreHeight(self, value: int) -> None:
+        self._restore_height = value
+
+    def knownWalletSeed(self) -> bool:
+        return not self._unknown_wallet_seed
+
+    def chainparams(self):
+        return chainparams[self.coin_type()]
+
+    def chainparams_network(self):
+        return chainparams[self.coin_type()][self._network]
+
+    def has_segwit(self) -> bool:
+        return chainparams[self.coin_type()].get("has_segwit", True)
+
+    def use_p2shp2wsh(self) -> bool:
+        # p2sh-p2wsh
+        return False
+
+    def is_transient_error(self, ex) -> bool:
+        if isinstance(ex, TemporaryError):
+            return True
+        str_error: str = str(ex).lower()
+        if "not enough unlocked money" in str_error:
+            return True
+        if "no unlocked balance" in str_error:
+            return True
+        if "transaction was rejected by daemon" in str_error:
+            return True
+        if "invalid unlocked_balance" in str_error:
+            return True
+        if "daemon is busy" in str_error:
+            return True
+        if "timed out" in str_error:
+            return True
+        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"
+        )
+        self._conf_target = new_conf_target
+
+    def walletRestoreHeight(self) -> int:
+        return self._restore_height
+
+    def get_connection_type(self):
+        return self._connection_type
+
+    def using_segwit(self) -> bool:
+        # Using btc native segwit
+        return self._use_segwit
+
+    def use_tx_vsize(self) -> bool:
+        return self._use_segwit
+
+    def getLockTxSwapOutputValue(self, bid, xmr_swap) -> int:
+        return bid.amount
+
+    def getLockRefundTxSwapOutputValue(self, bid, xmr_swap) -> int:
+        return xmr_swap.a_swap_refund_value
+
+    def getLockRefundTxSwapOutput(self, xmr_swap) -> int:
+        # Only one prevout exists
+        return 0
+
+    def checkWallets(self) -> int:
+        return 1
+
+    def altruistic(self) -> bool:
+        return self._altruistic
+
+
+class AdaptorSigInterface:
+    def getScriptLockTxDummyWitness(self, script: bytes):
+        return [b"", bytes(72), bytes(72), bytes(len(script))]
+
+    def getScriptLockRefundSpendTxDummyWitness(self, script: bytes):
+        return [b"", bytes(72), bytes(72), bytes((1,)), bytes(len(script))]
+
+    def getScriptLockRefundSwipeTxDummyWitness(self, script: bytes):
+        return [bytes(72), b"", bytes(len(script))]
+
+
+class Secp256k1Interface(CoinInterface, AdaptorSigInterface):
+    @staticmethod
+    def curve_type():
+        return Curves.secp256k1
+
+    def getNewRandomKey(self) -> bytes:
+        return i2b(getSecretInt())
+
+    def getPubkey(self, privkey: bytes) -> bytes:
+        return PublicKey.from_secret(privkey).format()
+
+    def pkh(self, pubkey: bytes) -> bytes:
+        return hash160(pubkey)
+
+    def verifyKey(self, k: bytes) -> bool:
+        i = b2i(k)
+        return i < ep.o and i > 0
+
+    def verifyPubkey(self, pubkey_bytes: bytes) -> bool:
+        return verify_secp256k1_point(pubkey_bytes)
+
+    def isValidAddressHash(self, address_hash: bytes) -> bool:
+        hash_len = len(address_hash)
+        if hash_len == 20:
+            return True
+
+    def isValidPubkey(self, pubkey: bytes) -> bool:
+        try:
+            self.verifyPubkey(pubkey)
+            return True
+        except Exception:
+            return False
+
+    def verifySig(self, pubkey: bytes, signed_hash: bytes, sig: bytes) -> bool:
+        pubkey = PublicKey(pubkey)
+        return pubkey.verify(sig, signed_hash, hasher=None)
+
+    def sumKeys(self, ka: bytes, kb: bytes) -> bytes:
+        # TODO: Add to coincurve
+        return i2b((b2i(ka) + b2i(kb)) % ep.o)
+
+    def sumPubkeys(self, Ka: bytes, Kb: bytes) -> bytes:
+        return PublicKey.combine_keys([PublicKey(Ka), PublicKey(Kb)]).format()

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

@@ -1,17 +1,21 @@
 #!/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.
 
 from .btc import BTCInterface
 from basicswap.chainparams import Coins
 from basicswap.util.address import decodeAddress
-from mnemonic import Mnemonic
+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 +26,66 @@ 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 seedToMnemonic(self, key: bytes) -> str:
-        return Mnemonic('english').to_mnemonic(key)
-
-    def initialiseWallet(self, key: bytes):
-        words = self.seedToMnemonic(key)
-
-        mnemonic_passphrase = ''
-        self.rpc_wallet('upgradetohd', [words, mnemonic_passphrase, self._wallet_passphrase])
-        self._have_checked_seed = False
-        if self._wallet_passphrase != '':
-            self.unlockWallet(self._wallet_passphrase)
+        self._wallet_v20_compatible = (
+            False
+            if not swap_client
+            else swap_client.getChainClientSettings(self.coin_type()).get(
+                "wallet_v20_compatible", False
+            )
+        )
 
     def decodeAddress(self, address: str) -> bytes:
         return decodeAddress(address)[1:]
 
-    def checkExpectedSeed(self, key_hash: str):
+    def getWalletSeedID(self) -> str:
+        hdseed: str = self.rpc_wallet("dumphdinfo")["hdseed"]
+        return self.getSeedHash(bytes.fromhex(hdseed)).hex()
+
+    def entropyToMnemonic(self, key: bytes) -> None:
+        return Mnemonic("english").to_mnemonic(key)
+
+    def initialiseWallet(self, key_bytes: bytes, restore_time: int = -1) -> 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
         try:
-            rv = self.rpc_wallet('dumphdinfo')
-            entropy = Mnemonic('english').to_entropy(rv['mnemonic'].split(' '))
-            entropy_hash = self.getAddressHashFromKey(entropy)[::-1].hex()
-            self._have_checked_seed = True
-            return entropy_hash == key_hash
+            rv = self.rpc_wallet("dumphdinfo")
         except Exception as e:
-            self._log.warning('checkExpectedSeed failed: {}'.format(str(e)))
-        return False
+            self._log.debug(f"DASH dumphdinfo failed {e}.")
+            return False
+        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 have_expected_seed
 
     def withdrawCoin(self, value, addr_to, subfee):
-        params = [addr_to, value, '', '', subfee, False, False, self._conf_target]
-        return self.rpc_wallet('sendtoaddress', params)
+        params = [addr_to, value, "", "", subfee, False, False, self._conf_target]
+        return self.rpc_wallet("sendtoaddress", params)
 
     def getSpendableBalance(self) -> int:
-        return self.make_int(self.rpc_wallet('getwalletinfo')['balance'])
+        return self.make_int(self.rpc_wallet("getwalletinfo")["balance"])
 
     def getScriptForPubkeyHash(self, pkh: bytes) -> bytearray:
         # Return P2PKH
@@ -66,29 +95,65 @@ class DASHInterface(BTCInterface):
         add_bytes = 107
         size = len(tx.serialize_with_witness()) + add_bytes
         pay_fee = round(fee_rate * size / 1000)
-        self._log.info(f'BLockSpendTx  fee_rate, size, fee: {fee_rate}, {size}, {pay_fee}.')
+        self._log.info(
+            f"BLockSpendTx fee_rate, size, fee: {fee_rate}, {size}, {pay_fee}."
+        )
         return pay_fee
 
     def findTxnByHash(self, txid_hex: str):
         # Only works for wallet txns
         try:
-            rv = self.rpc_wallet('gettransaction', [txid_hex])
-        except Exception as ex:
-            self._log.debug('findTxnByHash getrawtransaction failed: {}'.format(txid_hex))
+            rv = self.rpc_wallet("gettransaction", [txid_hex])
+        except Exception as e:  # noqa: F841
+            self._log.debug(
+                "findTxnByHash getrawtransaction failed: {}".format(txid_hex)
+            )
             return None
-        if 'confirmations' in rv and rv['confirmations'] >= self.blocks_confirmed:
-            block_height = self.getBlockHeader(rv['blockhash'])['height']
-            return {'txid': txid_hex, 'amount': 0, 'height': block_height}
+        if "confirmations" in rv and rv["confirmations"] >= self.blocks_confirmed:
+            block_height = self.getBlockHeader(rv["blockhash"])["height"]
+            return {"txid": txid_hex, "amount": 0, "height": block_height}
 
         return None
 
-    def unlockWallet(self, password: str):
-        super().unlockWallet(password)
-        # Store password for initialiseWallet
-        self._wallet_passphrase = password
-        if not self._have_checked_seed:
-            self._sc.checkWalletSeed(self.coin_type())
+    def unlockWallet(self, password: str, check_seed: bool = True) -> None:
+        super().unlockWallet(password, check_seed)
+        if self._wallet_v20_compatible:
+            # Store password for initialiseWallet
+            self._wallet_passphrase = password
 
     def lockWallet(self):
         super().lockWallet()
-        self._wallet_passphrase = ''
+        self._wallet_passphrase = ""
+
+    def encryptWallet(
+        self, old_password: str, new_password: str, check_seed: bool = True
+    ):
+        if old_password != "":
+            self.unlockWallet(old_password, check_seed=False)
+        seed_id_before: str = self.getWalletSeedID()
+
+        self.rpc_wallet("encryptwallet", [new_password])
+
+        if check_seed is False or seed_id_before == "Not found":
+            return
+        self.unlockWallet(new_password, check_seed=False)
+        seed_id_after: str = self.getWalletSeedID()
+
+        self.lockWallet()
+        if seed_id_before == seed_id_after:
+            return
+        self._log.warning(f"{self.ticker()} wallet seed changed after encryption.")
+        self._log.debug(
+            f"seed_id_before: {seed_id_before} seed_id_after: {seed_id_after}."
+        )
+        self.setWalletSeedWarning(True)
+
+    def changeWalletPassword(
+        self, old_password: str, new_password: str, check_seed_if_encrypt: bool = True
+    ):
+        self._log.info("changeWalletPassword - {}".format(self.ticker()))
+        if old_password == "":
+            if self.isWalletEncrypted():
+                raise ValueError("Old password must be set")
+            return self.encryptWallet(old_password, new_password, check_seed_if_encrypt)
+        self.rpc_wallet("walletpassphrasechange", [old_password, new_password])

basicswap/interface/dcr/__init__.py

@@ -0,0 +1,5 @@
+from .dcr import DCRInterface
+
+__all__ = [
+    "DCRInterface",
+]

basicswap/interface/dcr/messages.py

@@ -0,0 +1,212 @@
+#!/usr/bin/env python
+# -*- 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.
+
+import copy
+from enum import IntEnum
+from basicswap.util.crypto import blake256
+from basicswap.util.integer import decode_compactsize, encode_compactsize
+
+
+class TxSerializeType(IntEnum):
+    Full = 0
+    NoWitness = 1
+    OnlyWitness = 2
+
+
+class SigHashType(IntEnum):
+    SigHashAll = 0x1
+    SigHashNone = 0x2
+    SigHashSingle = 0x3
+    SigHashAnyOneCanPay = 0x80
+
+    SigHashMask = 0x1F
+
+
+class SignatureType(IntEnum):
+    STEcdsaSecp256k1 = 0
+    STEd25519 = 1
+    STSchnorrSecp256k1 = 2
+
+
+class COutPoint:
+    __slots__ = ("hash", "n", "tree")
+
+    def __init__(self, hash=0, n=0, tree=0):
+        self.hash = hash
+        self.n = n
+        self.tree = tree
+
+    def get_hash(self) -> bytes:
+        return self.hash.to_bytes(32, "big")
+
+
+class CTxIn:
+    __slots__ = (
+        "prevout",
+        "sequence",
+        "value_in",
+        "block_height",
+        "block_index",
+        "signature_script",
+    )  # Witness
+
+    def __init__(self, prevout=COutPoint(), sequence=0):
+        self.prevout = prevout
+        self.sequence = sequence
+        self.value_in = -1
+        self.block_height = 0
+        self.block_index = 0xFFFFFFFF
+        self.signature_script = bytes()
+
+
+class CTxOut:
+    __slots__ = ("value", "version", "script_pubkey")
+
+    def __init__(self, value=0, script_pubkey=bytes()):
+        self.value = value
+        self.version = 0
+        self.script_pubkey = script_pubkey
+
+
+class CTransaction:
+    __slots__ = ("hash", "version", "vin", "vout", "locktime", "expiry")
+
+    def __init__(self, tx=None):
+        if tx is None:
+            self.version = 1
+            self.vin = []
+            self.vout = []
+            self.locktime = 0
+            self.expiry = 0
+        else:
+            self.version = tx.version
+            self.vin = copy.deepcopy(tx.vin)
+            self.vout = copy.deepcopy(tx.vout)
+            self.locktime = tx.locktime
+            self.expiry = tx.expiry
+
+    def deserialize(self, data: bytes) -> None:
+
+        version = int.from_bytes(data[:4], "little")
+        self.version = version & 0xFFFF
+        ser_type: int = version >> 16
+        o = 4
+
+        if ser_type == TxSerializeType.Full or ser_type == TxSerializeType.NoWitness:
+            num_txin, nb = decode_compactsize(data, o)
+            o += nb
+
+            for i in range(num_txin):
+                txi = CTxIn()
+                txi.prevout = COutPoint()
+                txi.prevout.hash = int.from_bytes(data[o : o + 32], "little")
+                o += 32
+                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")
+                o += 4
+                self.vin.append(txi)
+
+            num_txout, nb = decode_compactsize(data, o)
+            o += nb
+
+            for i in range(num_txout):
+                txo = CTxOut()
+                txo.value = int.from_bytes(data[o : o + 8], "little")
+                o += 8
+                txo.version = int.from_bytes(data[o : o + 2], "little")
+                o += 2
+                script_bytes, nb = decode_compactsize(data, o)
+                o += nb
+                txo.script_pubkey = data[o : o + script_bytes]
+                o += script_bytes
+                self.vout.append(txo)
+
+            self.locktime = int.from_bytes(data[o : o + 4], "little")
+            o += 4
+            self.expiry = int.from_bytes(data[o : o + 4], "little")
+            o += 4
+
+        if ser_type == TxSerializeType.NoWitness:
+            return
+
+        num_wit_scripts, nb = decode_compactsize(data, o)
+        o += nb
+
+        if ser_type == TxSerializeType.OnlyWitness:
+            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")
+
+        for i in range(num_wit_scripts):
+            txi = self.vin[i]
+            txi.value_in = int.from_bytes(data[o : o + 8], "little")
+            o += 8
+            txi.block_height = int.from_bytes(data[o : o + 4], "little")
+            o += 4
+            txi.block_index = int.from_bytes(data[o : o + 4], "little")
+            o += 4
+            script_bytes, nb = decode_compactsize(data, o)
+            o += nb
+            txi.signature_script = data[o : o + script_bytes]
+            o += script_bytes
+
+    def serialize(self, ser_type=TxSerializeType.Full) -> bytes:
+        data = bytes()
+        version = (self.version & 0xFFFF) | (ser_type << 16)
+        data += version.to_bytes(4, "little")
+
+        if ser_type == TxSerializeType.Full or ser_type == TxSerializeType.NoWitness:
+            data += encode_compactsize(len(self.vin))
+            for txi in self.vin:
+                data += txi.prevout.hash.to_bytes(32, "little")
+                data += txi.prevout.n.to_bytes(4, "little")
+                data += txi.prevout.tree.to_bytes(1, "little")
+                data += txi.sequence.to_bytes(4, "little")
+
+            data += encode_compactsize(len(self.vout))
+            for txo in self.vout:
+                data += txo.value.to_bytes(8, "little")
+                data += txo.version.to_bytes(2, "little")
+                data += encode_compactsize(len(txo.script_pubkey))
+                data += txo.script_pubkey
+
+            data += self.locktime.to_bytes(4, "little")
+            data += self.expiry.to_bytes(4, "little")
+
+        if ser_type == TxSerializeType.Full or ser_type == TxSerializeType.OnlyWitness:
+            data += encode_compactsize(len(self.vin))
+            for txi in self.vin:
+                tc_value_in = (
+                    txi.value_in & 0xFFFFFFFFFFFFFFFF
+                )  # Convert negative values
+                data += tc_value_in.to_bytes(8, "little")
+                data += txi.block_height.to_bytes(4, "little")
+                data += txi.block_index.to_bytes(4, "little")
+                data += encode_compactsize(len(txi.signature_script))
+                data += txi.signature_script
+
+        return data
+
+    def TxHash(self) -> bytes:
+        return blake256(self.serialize(TxSerializeType.NoWitness))[::-1]
+
+    def TxHashWitness(self) -> bytes:
+        raise ValueError("todo")
+
+    def TxHashFull(self) -> bytes:
+        raise ValueError("todo")
+
+
+def findOutput(tx, script_pk: bytes):
+    for i in range(len(tx.vout)):
+        if tx.vout[i].script_pubkey == script_pk:
+            return i
+    return None

basicswap/interface/dcr/rpc.py

@@ -0,0 +1,47 @@
+# -*- 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.
+
+import json
+import traceback
+from basicswap.rpc import Jsonrpc
+
+
+def callrpc(rpc_port, auth, method, params=[], host="127.0.0.1"):
+    try:
+        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"))
+    except Exception as ex:
+        traceback.print_exc()
+        raise ValueError("RPC server error " + str(ex) + ", method: " + method)
+
+    if "error" in r and r["error"] is not None:
+        raise ValueError("RPC error " + str(r["error"]))
+
+    return r["result"]
+
+
+def openrpc(rpc_port, auth, host="127.0.0.1"):
+    try:
+        url = "http://{}@{}:{}/".format(auth, host, rpc_port)
+        return Jsonrpc(url)
+    except Exception as ex:
+        traceback.print_exc()
+        raise ValueError("RPC error " + str(ex))
+
+
+def make_rpc_func(port, auth, host="127.0.0.1"):
+    port = port
+    auth = auth
+    host = host
+
+    def rpc_func(method, params=None):
+        return callrpc(port, auth, method, params, host)
+
+    return rpc_func

basicswap/interface/dcr/script.py

@@ -0,0 +1,50 @@
+# -*- 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.
+
+
+OP_0 = 0x00
+OP_DATA_1 = 0x01
+OP_1NEGATE = 0x4F
+OP_1 = 0x51
+OP_IF = 0x63
+OP_ELSE = 0x67
+OP_ENDIF = 0x68
+OP_DROP = 0x75
+OP_DUP = 0x76
+OP_EQUAL = 0x87
+OP_EQUALVERIFY = 0x88
+OP_PUSHDATA1 = 0x4C
+OP_PUSHDATA2 = 0x4D
+OP_PUSHDATA4 = 0x4E
+OP_HASH160 = 0xA9
+OP_CHECKSIG = 0xAC
+OP_CHECKMULTISIG = 0xAE
+OP_CHECKSEQUENCEVERIFY = 0xB2
+
+
+def push_script_data(data_array: bytearray, data: bytes) -> None:
+    len_data: int = len(data)
+
+    if len_data == 0 or (len_data == 1 and data[0] == 0):
+        data_array += bytes((OP_0,))
+        return
+    if len_data == 1 and data[0] <= 16:
+        data_array += bytes((OP_1 - 1 + data[0],))
+        return
+    if len_data == 1 and data[0] == 0x81:
+        data_array += bytes((OP_1NEGATE,))
+        return
+
+    if len_data < OP_PUSHDATA1:
+        data_array += len_data.to_bytes(1, "little")
+    elif len_data <= 0xFF:
+        data_array += bytes((OP_PUSHDATA1, len_data))
+    elif len_data <= 0xFFFF:
+        data_array += bytes((OP_PUSHDATA2,)) + len_data.to_bytes(2, "little")
+    else:
+        data_array += bytes((OP_PUSHDATA4,)) + len_data.to_bytes(4, "little")
+
+    data_array += data

basicswap/interface/dcr/util.py

@@ -0,0 +1,68 @@
+# -*- 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.
+
+import os
+import select
+import subprocess
+
+
+def createDCRWallet(args, hex_seed, logging, delay_event):
+    logging.info("Creating DCR wallet")
+
+    (pipe_r, pipe_w) = os.pipe()  # subprocess.PIPE is buffered, blocks when read
+
+    if os.name == "nt":
+        str_args = " ".join(args)
+        p = subprocess.Popen(
+            str_args, shell=True, stdin=subprocess.PIPE, stdout=pipe_w, stderr=pipe_w
+        )
+    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")
+        response = None
+        if "Opened wallet" in buf:
+            pass
+        elif "Use the existing configured private passphrase" in buf:
+            response = b"y\n"
+        elif "Do you want to add an additional layer of encryption" in buf:
+            response = b"n\n"
+        elif "Do you have an existing wallet seed" in buf:
+            response = b"y\n"
+        elif "Enter existing wallet seed" in buf:
+            response = (hex_seed + "\n").encode("utf-8")
+        elif "Seed input successful" in buf:
+            pass
+        elif "Upgrading database from version" in buf:
+            pass
+        elif "Ticket commitments db upgrade done" in buf:
+            pass
+        elif "The wallet has been created successfully" in buf:
+            pass
+        else:
+            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":
+                readOutput()
+                delay_event.wait(0.1)
+                continue
+            while len(select.select([pipe_r], [], [], 0)[0]) == 1:
+                readOutput()
+                delay_event.wait(0.1)
+    except Exception as e:
+        logging.error(f"dcrwallet --create failed: {e}")
+    finally:
+        if p.poll() is None:
+            p.terminate()
+        os.close(pipe_r)
+        os.close(pipe_w)
+        p.stdin.close()

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

@@ -2,11 +2,12 @@
 # -*- 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.
 
-import random
 import hashlib
+import random
 
 from .btc import BTCInterface, find_vout_for_address_from_txobj
 from basicswap.util import (
@@ -40,20 +41,44 @@ 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
+        )
+
+        if "wallet_name" in coin_settings:
+            raise ValueError(f"Invalid setting for {self.coin_name()}: wallet_name")
+
+    def getExchangeName(self, exchange_name: str) -> str:
+        return "zcoin"
+
+    def initialiseWallet(self, key, restore_time: int = -1):
+        # load with -hdseed= parameter
+        pass
 
     def checkWallets(self) -> int:
         return 1
 
-    def getExchangeName(self, exchange_name):
-        return 'zcoin'
+    def encryptWallet(self, password: str, check_seed: bool = True):
+        # Watchonly wallets are not encrypted
+        # Firo shuts down after encryptwallet
+        seed_id_before: str = self.getWalletSeedID() if check_seed else "Not found"
 
-    def initialiseWallet(self, key):
-        # load with -hdseed= parameter
-        pass
+        self.rpc_wallet("encryptwallet", [password])
 
-    def getNewAddress(self, use_segwit, label='swap_receive'):
-        return self.rpc('getnewaddress', [label])
+        if check_seed is False or seed_id_before == "Not found":
+            return
+        seed_id_after: str = self.getWalletSeedID()
+
+        if seed_id_before == seed_id_after:
+            return
+        self._log.warning(f"{self.ticker()} wallet seed changed after encryption.")
+        self._log.debug(
+            f"seed_id_before: {seed_id_before} seed_id_after: {seed_id_after}."
+        )
+        self.setWalletSeedWarning(True)
+
+    def getNewAddress(self, use_segwit, label="swap_receive"):
+        return self.rpc("getnewaddress", [label])
         # addr_plain = self.rpc('getnewaddress', [label])
         # return self.rpc('addwitnessaddress', [addr_plain])
 
@@ -61,79 +86,106 @@ class FIROInterface(BTCInterface):
         return decodeAddress(address)[1:]
 
     def encodeSegwitAddress(self, script):
-        raise ValueError('TODO')
+        raise ValueError("TODO")
 
     def decodeSegwitAddress(self, addr):
-        raise ValueError('TODO')
+        raise ValueError("TODO")
 
     def isWatchOnlyAddress(self, address):
-        addr_info = self.rpc('validateaddress', [address])
-        return addr_info['iswatchonly']
+        addr_info = self.rpc("validateaddress", [address])
+        return addr_info["iswatchonly"]
 
     def isAddressMine(self, address: str, or_watch_only: bool = False) -> bool:
-        addr_info = self.rpc('validateaddress', [address])
+        addr_info = self.rpc("validateaddress", [address])
         if not or_watch_only:
-            return addr_info['ismine']
-        return addr_info['ismine'] or addr_info['iswatchonly']
+            return addr_info["ismine"]
+        return addr_info["ismine"] or addr_info["iswatchonly"]
 
-    def getSCLockScriptAddress(self, lock_script):
+    def getSCLockScriptAddress(self, lock_script: bytes) -> str:
         lock_tx_dest = self.getScriptDest(lock_script)
         address = self.encodeScriptDest(lock_tx_dest)
 
         if not self.isAddressMine(address, or_watch_only=True):
             # Expects P2WSH nested in BIP16_P2SH
-            ro = self.rpc('importaddress', [lock_tx_dest.hex(), 'bid lock', False, True])
-            addr_info = self.rpc('validateaddress', [address])
+            self.rpc("importaddress", [lock_tx_dest.hex(), "bid lock", False, True])
 
         return address
 
-    def getLockTxHeight(self, txid, dest_address, bid_amount, rescan_from, find_index: bool = False):
+    def getLockTxHeight(
+        self,
+        txid,
+        dest_address,
+        bid_amount,
+        rescan_from,
+        find_index: bool = False,
+        vout: int = -1,
+    ):
         # Add watchonly address and rescan if required
 
         if not self.isAddressMine(dest_address, or_watch_only=True):
-            self.importWatchOnlyAddress(dest_address, 'bid')
-            self._log.info('Imported watch-only addr: {}'.format(dest_address))
-            self._log.info('Rescanning {} chain from height: {}'.format(self.coin_name(), rescan_from))
+            self.importWatchOnlyAddress(dest_address, "bid")
+            self._log.info(
+                "Imported watch-only addr: {}".format(self._log.addr(dest_address))
+            )
+            self._log.info(
+                "Rescanning {} chain from height: {}".format(
+                    self.coin_name(), rescan_from
+                )
+            )
             self.rescanBlockchainForAddress(rescan_from, dest_address)
 
         return_txid = True if txid is None else False
         if txid is None:
-            txns = self.rpc('listunspent', [0, 9999999, [dest_address, ]])
+            txns = self.rpc(
+                "listunspent",
+                [
+                    0,
+                    9999999,
+                    [
+                        dest_address,
+                    ],
+                ],
+            )
 
             for tx in txns:
-                if self.make_int(tx['amount']) == bid_amount:
-                    txid = bytes.fromhex(tx['txid'])
+                if self.make_int(tx["amount"]) == bid_amount:
+                    txid = bytes.fromhex(tx["txid"])
                     break
 
         if txid is None:
             return None
 
         try:
-            tx = self.rpc('gettransaction', [txid.hex()])
+            tx = self.rpc("gettransaction", [txid.hex()])
 
             block_height = 0
-            if 'blockhash' in tx:
-                block_header = self.rpc('getblockheader', [tx['blockhash']])
-                block_height = block_header['height']
+            if "blockhash" in tx:
+                block_header = self.rpc("getblockheader", [tx["blockhash"]])
+                block_height = block_header["height"]
 
             rv = {
-                'depth': 0 if 'confirmations' not in tx else tx['confirmations'],
-                'height': block_height}
+                "depth": 0 if "confirmations" not in tx else tx["confirmations"],
+                "height": block_height,
+            }
 
         except Exception as e:
-            self._log.debug('getLockTxHeight gettransaction failed: %s, %s', txid.hex(), str(e))
+            self._log.debug(
+                "getLockTxHeight gettransaction failed: %s, %s", txid.hex(), str(e)
+            )
             return None
 
         if find_index:
-            tx_obj = self.rpc('decoderawtransaction', [tx['hex']])
-            rv['index'] = find_vout_for_address_from_txobj(tx_obj, dest_address)
+            tx_obj = self.rpc("decoderawtransaction", [tx["hex"]])
+            rv["index"] = find_vout_for_address_from_txobj(tx_obj, dest_address)
 
         if return_txid:
-            rv['txid'] = txid.hex()
+            rv["txid"] = txid.hex()
 
         return rv
 
-    def createSCLockTx(self, value: int, script: bytearray, vkbv: bytes = None) -> bytes:
+    def createSCLockTx(
+        self, value: int, script: bytearray, vkbv: bytes = None
+    ) -> bytes:
         tx = CTransaction()
         tx.nVersion = self.txVersion()
         tx.vout.append(self.txoType()(value, self.getScriptDest(script)))
@@ -144,24 +196,36 @@ class FIROInterface(BTCInterface):
         return self.fundTx(tx_bytes, feerate)
 
     def signTxWithWallet(self, tx):
-        rv = self.rpc('signrawtransaction', [tx.hex()])
-        return bytes.fromhex(rv['hex'])
+        rv = self.rpc("signrawtransaction", [tx.hex()])
+        return bytes.fromhex(rv["hex"])
 
-    def createRawFundedTransaction(self, addr_to: str, amount: int, sub_fee: bool = False, lock_unspents: bool = True) -> str:
-        txn = self.rpc('createrawtransaction', [[], {addr_to: self.format_amount(amount)}])
+    def createRawFundedTransaction(
+        self,
+        addr_to: str,
+        amount: int,
+        sub_fee: bool = False,
+        lock_unspents: bool = True,
+    ) -> str:
+        txn = self.rpc(
+            "createrawtransaction", [[], {addr_to: self.format_amount(amount)}]
+        )
         fee_rate, fee_src = self.get_fee_rate(self._conf_target)
-        self._log.debug(f'Fee rate: {fee_rate}, source: {fee_src}, block target: {self._conf_target}')
+        self._log.debug(
+            f"Fee rate: {fee_rate}, source: {fee_src}, block target: {self._conf_target}"
+        )
         options = {
-            'lockUnspents': lock_unspents,
-            'feeRate': fee_rate,
+            "lockUnspents": lock_unspents,
+            "feeRate": fee_rate,
         }
         if sub_fee:
-            options['subtractFeeFromOutputs'] = [0,]
-        return self.rpc('fundrawtransaction', [txn, options])['hex']
+            options["subtractFeeFromOutputs"] = [
+                0,
+            ]
+        return self.rpc("fundrawtransaction", [txn, options])["hex"]
 
     def createRawSignedTransaction(self, addr_to, amount) -> str:
         txn_funded = self.createRawFundedTransaction(addr_to, amount)
-        return self.rpc('signrawtransaction', [txn_funded])['hex']
+        return self.rpc("signrawtransaction", [txn_funded])["hex"]
 
     def getScriptForPubkeyHash(self, pkh: bytes) -> bytearray:
         # Return P2PKH
@@ -188,60 +252,75 @@ class FIROInterface(BTCInterface):
         return CScript([OP_HASH160, script_hash, OP_EQUAL])
 
     def withdrawCoin(self, value, addr_to, subfee):
-        params = [addr_to, value, '', '', subfee]
-        return self.rpc('sendtoaddress', params)
+        params = [addr_to, value, "", "", subfee]
+        return self.rpc("sendtoaddress", params)
 
     def getWalletSeedID(self):
-        return self.rpc('getwalletinfo')['hdmasterkeyid']
+        return self.rpc("getwalletinfo")["hdmasterkeyid"]
 
     def getSpendableBalance(self) -> int:
-        return self.make_int(self.rpc('getwalletinfo')['balance'])
+        return self.make_int(self.rpc("getwalletinfo")["balance"])
 
     def getBLockSpendTxFee(self, tx, fee_rate: int) -> int:
         add_bytes = 107
         size = len(tx.serialize_with_witness()) + add_bytes
         pay_fee = round(fee_rate * size / 1000)
-        self._log.info(f'BLockSpendTx  fee_rate, size, fee: {fee_rate}, {size}, {pay_fee}.')
+        self._log.info(
+            f"BLockSpendTx fee_rate, size, fee: {fee_rate}, {size}, {pay_fee}."
+        )
         return pay_fee
 
     def signTxWithKey(self, tx: bytes, key: bytes) -> bytes:
         key_wif = self.encodeKey(key)
-        rv = self.rpc('signrawtransaction', [tx.hex(), [], [key_wif, ]])
-        return bytes.fromhex(rv['hex'])
+        rv = self.rpc(
+            "signrawtransaction",
+            [
+                tx.hex(),
+                [],
+                [
+                    key_wif,
+                ],
+            ],
+        )
+        return bytes.fromhex(rv["hex"])
 
     def findTxnByHash(self, txid_hex: str):
         # Only works for wallet txns
         try:
-            rv = self.rpc('gettransaction', [txid_hex])
-        except Exception as ex:
-            self._log.debug('findTxnByHash getrawtransaction failed: {}'.format(txid_hex))
+            rv = self.rpc("gettransaction", [txid_hex])
+        except Exception as e:  # noqa: F841
+            self._log.debug(
+                "findTxnByHash getrawtransaction failed: {}".format(txid_hex)
+            )
             return None
-        if 'confirmations' in rv and rv['confirmations'] >= self.blocks_confirmed:
-            block_height = self.getBlockHeader(rv['blockhash'])['height']
-            return {'txid': txid_hex, 'amount': 0, 'height': block_height}
+        if "confirmations" in rv and rv["confirmations"] >= self.blocks_confirmed:
+            block_height = self.getBlockHeader(rv["blockhash"])["height"]
+            return {"txid": txid_hex, "amount": 0, "height": block_height}
         return None
 
     def getProofOfFunds(self, amount_for, extra_commit_bytes):
         # TODO: Lock unspent and use same output/s to fund bid
 
         unspents_by_addr = dict()
-        unspents = self.rpc('listunspent')
+        unspents = self.rpc("listunspent")
         for u in unspents:
-            if u['spendable'] is not True:
+            if u["spendable"] is not True:
                 continue
-            if u['address'] not in unspents_by_addr:
-                unspents_by_addr[u['address']] = {'total': 0, 'utxos': []}
-            utxo_amount: int = self.make_int(u['amount'], r=1)
-            unspents_by_addr[u['address']]['total'] += utxo_amount
-            unspents_by_addr[u['address']]['utxos'].append((utxo_amount, u['txid'], u['vout']))
+            if u["address"] not in unspents_by_addr:
+                unspents_by_addr[u["address"]] = {"total": 0, "utxos": []}
+            utxo_amount: int = self.make_int(u["amount"], r=1)
+            unspents_by_addr[u["address"]]["total"] += utxo_amount
+            unspents_by_addr[u["address"]]["utxos"].append(
+                (utxo_amount, u["txid"], u["vout"])
+            )
 
         max_utxos: int = 4
 
         viable_addrs = []
         for addr, data in unspents_by_addr.items():
-            if data['total'] >= amount_for:
+            if data["total"] >= amount_for:
                 # Sort from largest to smallest amount
-                sorted_utxos = sorted(data['utxos'], key=lambda x: x[0])
+                sorted_utxos = sorted(data["utxos"], key=lambda x: x[0])
 
                 # Max outputs required to reach amount_for
                 utxos_req: int = 0
@@ -256,13 +335,17 @@ 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 +355,29 @@ 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 +386,23 @@ class FIROInterface(BTCInterface):
         sum_value: int = 0
         for outpoint in utxos:
             hasher.update(outpoint[0])
-            hasher.update(outpoint[1].to_bytes(2, 'big'))
+            hasher.update(outpoint[1].to_bytes(2, "big"))
         utxos_hash = hasher.digest()
 
-        passed = self.verifyMessage(address, address + '_swap_proof_' + utxos_hash.hex() + extra_commit_bytes.hex(), signature)
-        ensure(passed is True, 'Proof of funds signature invalid')
+        passed = self.verifyMessage(
+            address,
+            address + "_swap_proof_" + utxos_hash.hex() + extra_commit_bytes.hex(),
+            signature,
+        )
+        ensure(passed is True, "Proof of funds signature invalid")
 
         if self.using_segwit():
             address = self.encodeSegwitAddress(decodeAddress(address)[1:])
 
         sum_value: int = 0
         for outpoint in utxos:
-            txout = self.rpc('gettxout', [outpoint[0].hex(), outpoint[1]])
-            sum_value += self.make_int(txout['value'])
+            txout = self.rpc("gettxout", [outpoint[0].hex(), outpoint[1]])
+            sum_value += self.make_int(txout["value"])
 
         return sum_value
 
@@ -314,15 +412,15 @@ 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:
@@ -330,36 +428,46 @@ class FIROInterface(BTCInterface):
                     if txo.scriptPubKey == find_scriptPubKey:
                         tx.rehash()
                         txid = i2b(tx.sha256)
-                        self._log.info('Found output to addr: {} in tx {} in block {}'.format(addr_find, txid.hex(), block_hash))
-                        self._log.info('rescanblockchain hack invalidateblock {}'.format(block_hash))
-                        self.rpc('invalidateblock', [block_hash])
-                        self.rpc('reconsiderblock', [block_hash])
+                        self._log.info(
+                            "Found output to addr: {} in tx {} in block {}".format(
+                                addr_find, txid.hex(), block_hash
+                            )
+                        )
+                        self._log.info(
+                            "rescanblockchain hack invalidateblock {}".format(
+                                block_hash
+                            )
+                        )
+                        self.rpc("invalidateblock", [block_hash])
+                        self.rpc("reconsiderblock", [block_hash])
                         return
             current_height -= 1
 
-    def getBlockWithTxns(self, block_hash):
+    def getBlockWithTxns(self, block_hash: str):
         # TODO: Bypass decoderawtransaction and getblockheader
-        block = self.rpc('getblock', [block_hash, False])
-        block_header = self.rpc('getblockheader', [block_hash])
+        block = self.rpc("getblock", [block_hash, False])
+        block_header = self.rpc("getblockheader", [block_hash])
         decoded_block = CBlock()
         decoded_block = FromHex(decoded_block, block)
 
         tx_rv = []
         for tx in decoded_block.vtx:
             tx_hex = tx.serialize_with_witness().hex()
-            tx_dec = self.rpc('decoderawtransaction', [tx_hex])
-            if 'hex' not in tx_dec:
-                tx_dec['hex'] = tx_hex
+            tx_dec = self.rpc("decoderawtransaction", [tx_hex])
+            if "hex" not in tx_dec:
+                tx_dec["hex"] = tx_hex
 
             tx_rv.append(tx_dec)
 
         block_rv = {
-            'hash': block_hash,
-            'tx': tx_rv,
-            'confirmations': block_header['confirmations'],
-            'height': block_header['height'],
-            'version': block_header['version'],
-            'merkleroot': block_header['merkleroot'],
+            "hash": block_hash,
+            "previousblockhash": block_header["previousblockhash"],
+            "tx": tx_rv,
+            "confirmations": block_header["confirmations"],
+            "height": block_header["height"],
+            "time": block_header["time"],
+            "version": block_header["version"],
+            "merkleroot": block_header["merkleroot"],
         }
 
         return block_rv

basicswap/interface/ltc.py

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

basicswap/interface/nmc.py

@@ -2,41 +2,15 @@
 # -*- coding: utf-8 -*-
 
 # Copyright (c) 2020-2022 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.
 
 from .btc import BTCInterface
 from basicswap.chainparams import Coins
-from basicswap.util import (
-    make_int,
-)
 
 
 class NMCInterface(BTCInterface):
     @staticmethod
     def coin_type():
         return Coins.NMC
-
-    def getLockTxHeight(self, txid, dest_address, bid_amount, rescan_from, find_index=False):
-        self._log.debug('[rm] scantxoutset start')  # scantxoutset is slow
-        ro = self.rpc('scantxoutset', ['start', ['addr({})'.format(dest_address)]])  # TODO: Use combo(address) where possible
-        self._log.debug('[rm] scantxoutset end')
-        return_txid = True if txid is None else False
-        for o in ro['unspents']:
-            if txid and o['txid'] != txid.hex():
-                continue
-            # Verify amount
-            if make_int(o['amount']) != int(bid_amount):
-                self._log.warning('Found output to lock tx address of incorrect value: %s, %s', str(o['amount']), o['txid'])
-                continue
-
-            rv = {
-                'depth': 0,
-                'height': o['height']}
-            if o['height'] > 0:
-                rv['depth'] = ro['height'] - o['height']
-            if find_index:
-                rv['index'] = o['vout']
-            if return_txid:
-                rv['txid'] = o['txid']
-            return rv

basicswap/interface/passthrough_btc.py

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

basicswap/interface/pivx.py

@@ -2,6 +2,7 @@
 # -*- coding: utf-8 -*-
 
 # Copyright (c) 2022 tecnovert
+# Copyright (c) 2024 The Basicswap developers
 # Distributed under the MIT software license, see the accompanying
 # file LICENSE or http://www.opensource.org/licenses/mit-license.php.
 
@@ -11,11 +12,7 @@ from .btc import BTCInterface
 from basicswap.rpc import make_rpc_func
 from basicswap.chainparams import Coins
 from basicswap.util.address import decodeAddress
-from .contrib.pivx_test_framework.messages import (
-    CBlock,
-    ToHex,
-    FromHex,
-    CTransaction)
+from .contrib.pivx_test_framework.messages import CBlock, ToHex, FromHex, CTransaction
 from basicswap.contrib.test_framework.script import (
     CScript,
     OP_DUP,
@@ -33,63 +30,105 @@ 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 encryptWallet(self, password: str, check_seed: bool = True):
+        # Watchonly wallets are not encrypted
+
+        seed_id_before: str = self.getWalletSeedID()
+
+        self.rpc_wallet("encryptwallet", [password])
+
+        if check_seed is False or seed_id_before == "Not found":
+            return
+        seed_id_after: str = self.getWalletSeedID()
+
+        if seed_id_before == seed_id_after:
+            return
+        self._log.warning(f"{self.ticker()} wallet seed changed after encryption.")
+        self._log.debug(
+            f"seed_id_before: {seed_id_before} seed_id_after: {seed_id_after}."
+        )
+        self.setWalletSeedWarning(True)
+        # Workaround for https://github.com/bitcoin/bitcoin/issues/26607
+        chain_client_settings = self._sc.getChainClientSettings(
+            self.coin_type()
+        )  # basicswap.json
+
+        if chain_client_settings.get("manage_daemon", False) is False:
+            self._log.warning(
+                f"{self.ticker()} manage_daemon is false. Can't attempt to fix."
+            )
+            return
 
     def signTxWithWallet(self, tx):
-        rv = self.rpc('signrawtransaction', [tx.hex()])
-        return bytes.fromhex(rv['hex'])
+        rv = self.rpc("signrawtransaction", [tx.hex()])
+        return bytes.fromhex(rv["hex"])
 
-    def createRawFundedTransaction(self, addr_to: str, amount: int, sub_fee: bool = False, lock_unspents: bool = True) -> str:
-        txn = self.rpc('createrawtransaction', [[], {addr_to: self.format_amount(amount)}])
+    def createRawFundedTransaction(
+        self,
+        addr_to: str,
+        amount: int,
+        sub_fee: bool = False,
+        lock_unspents: bool = True,
+    ) -> str:
+        txn = self.rpc(
+            "createrawtransaction", [[], {addr_to: self.format_amount(amount)}]
+        )
         fee_rate, fee_src = self.get_fee_rate(self._conf_target)
-        self._log.debug(f'Fee rate: {fee_rate}, source: {fee_src}, block target: {self._conf_target}')
+        self._log.debug(
+            f"Fee rate: {fee_rate}, source: {fee_src}, block target: {self._conf_target}"
+        )
         options = {
-            'lockUnspents': lock_unspents,
-            'feeRate': fee_rate,
+            "lockUnspents": lock_unspents,
+            "feeRate": fee_rate,
         }
         if sub_fee:
-            options['subtractFeeFromOutputs'] = [0,]
-        return self.rpc('fundrawtransaction', [txn, options])['hex']
+            options["subtractFeeFromOutputs"] = [
+                0,
+            ]
+        return self.rpc("fundrawtransaction", [txn, options])["hex"]
 
     def createRawSignedTransaction(self, addr_to, amount) -> str:
         txn_funded = self.createRawFundedTransaction(addr_to, amount)
-        return self.rpc('signrawtransaction', [txn_funded])['hex']
+        return self.rpc("signrawtransaction", [txn_funded])["hex"]
 
     def decodeAddress(self, address):
         return decodeAddress(address)[1:]
 
     def getBlockWithTxns(self, block_hash):
         # TODO: Bypass decoderawtransaction and getblockheader
-        block = self.rpc('getblock', [block_hash, False])
-        block_header = self.rpc('getblockheader', [block_hash])
+        block = self.rpc("getblock", [block_hash, False])
+        block_header = self.rpc("getblockheader", [block_hash])
         decoded_block = CBlock()
         decoded_block = FromHex(decoded_block, block)
 
         tx_rv = []
         for tx in decoded_block.vtx:
-            tx_dec = self.rpc('decoderawtransaction', [ToHex(tx)])
+            tx_dec = self.rpc("decoderawtransaction", [ToHex(tx)])
             tx_rv.append(tx_dec)
 
         block_rv = {
-            'hash': block_hash,
-            'tx': tx_rv,
-            'confirmations': block_header['confirmations'],
-            'height': block_header['height'],
-            'version': block_header['version'],
-            'merkleroot': block_header['merkleroot'],
+            "hash": block_hash,
+            "previousblockhash": block_header["previousblockhash"],
+            "tx": tx_rv,
+            "confirmations": block_header["confirmations"],
+            "height": block_header["height"],
+            "time": block_header["time"],
+            "version": block_header["version"],
+            "merkleroot": block_header["merkleroot"],
         }
 
         return block_rv
 
     def withdrawCoin(self, value, addr_to, subfee):
-        params = [addr_to, value, '', '', subfee]
-        return self.rpc('sendtoaddress', params)
+        params = [addr_to, value, "", "", subfee]
+        return self.rpc("sendtoaddress", params)
 
     def getSpendableBalance(self) -> int:
-        return self.make_int(self.rpc('getwalletinfo')['balance'])
+        return self.make_int(self.rpc("getwalletinfo")["balance"])
 
     def loadTx(self, tx_bytes):
         # Load tx from bytes to internal representation
@@ -105,22 +144,35 @@ class PIVXInterface(BTCInterface):
         add_bytes = 107
         size = len(tx.serialize_with_witness()) + add_bytes
         pay_fee = round(fee_rate * size / 1000)
-        self._log.info(f'BLockSpendTx  fee_rate, size, fee: {fee_rate}, {size}, {pay_fee}.')
+        self._log.info(
+            f"BLockSpendTx fee_rate, size, fee: {fee_rate}, {size}, {pay_fee}."
+        )
         return pay_fee
 
     def signTxWithKey(self, tx: bytes, key: bytes) -> bytes:
         key_wif = self.encodeKey(key)
-        rv = self.rpc('signrawtransaction', [tx.hex(), [], [key_wif, ]])
-        return bytes.fromhex(rv['hex'])
+        rv = self.rpc(
+            "signrawtransaction",
+            [
+                tx.hex(),
+                [],
+                [
+                    key_wif,
+                ],
+            ],
+        )
+        return bytes.fromhex(rv["hex"])
 
     def findTxnByHash(self, txid_hex: str):
         # Only works for wallet txns
         try:
-            rv = self.rpc('gettransaction', [txid_hex])
-        except Exception as ex:
-            self._log.debug('findTxnByHash getrawtransaction failed: {}'.format(txid_hex))
+            rv = self.rpc("gettransaction", [txid_hex])
+        except Exception as e:  # noqa: F841
+            self._log.debug(
+                "findTxnByHash getrawtransaction failed: {}".format(txid_hex)
+            )
             return None
-        if 'confirmations' in rv and rv['confirmations'] >= self.blocks_confirmed:
-            block_height = self.getBlockHeader(rv['blockhash'])['height']
-            return {'txid': txid_hex, 'amount': 0, 'height': block_height}
+        if "confirmations" in rv and rv["confirmations"] >= self.blocks_confirmed:
+            block_height = self.getBlockHeader(rv["blockhash"])["height"]
+            return {"txid": txid_hex, "amount": 0, "height": block_height}
         return None

basicswap/interface/wow.py

@@ -0,0 +1,56 @@
+#!/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 basicswap.chainparams import WOW_COIN, Coins
+from .xmr import XMRInterface
+
+
+class WOWInterface(XMRInterface):
+
+    @staticmethod
+    def coin_type():
+        return Coins.WOW
+
+    @staticmethod
+    def ticker_str() -> int:
+        return Coins.WOW.name
+
+    @staticmethod
+    def COIN():
+        return WOW_COIN
+
+    @staticmethod
+    def exp() -> int:
+        return 11
+
+    @staticmethod
+    def depth_spendable() -> int:
+        return 3
+
+    # below only needed until wow is rebased to monero v0.18.4.0+
+    def openWallet(self, filename):
+        params = {"filename": filename}
+        if self._wallet_password is not None:
+            params["password"] = self._wallet_password
+
+        try:
+            self.rpc_wallet("open_wallet", params)
+        except Exception as e:
+            if "no connection to daemon" in str(e):
+                self._log.debug(f"{self.coin_name()} {e}")
+                return  # bypass refresh error to allow startup with a busy daemon
+
+            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)
+            self._log.debug(f"Reattempt to open {self.coin_name()} wallet")

basicswap/interface/xmr.py

@@ -2,11 +2,12 @@
 # -*- 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 json
 import logging
+import os
 
 import basicswap.contrib.ed25519_fast as edf
 import basicswap.ed25519_fast_util as edu
@@ -24,20 +25,14 @@ from coincurve.dleag import (
     verify_ed25519_point,
 )
 
-from basicswap.interface import (
-    Curves)
-from basicswap.util import (
-    i2b, b2i, b2h,
-    dumpj,
-    ensure,
-    make_int,
-    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, CoinInterface, Coins
+from basicswap.interface.base import (
+    Curves,
+)
+from basicswap.util import i2b, b2i, b2h, dumpj, ensure, TemporaryError
+from basicswap.util.network import is_private_ip_address
+from basicswap.rpc_xmr import make_xmr_rpc_func, make_xmr_rpc2_func
+from basicswap.chainparams import XMR_COIN, Coins
+from basicswap.interface.base import CoinInterface
 
 
 class XMRInterface(CoinInterface):
@@ -49,6 +44,10 @@ class XMRInterface(CoinInterface):
     def coin_type():
         return Coins.XMR
 
+    @staticmethod
+    def ticker_str() -> int:
+        return Coins.XMR.name
+
     @staticmethod
     def COIN():
         return XMR_COIN
@@ -71,98 +70,199 @@ class XMRInterface(CoinInterface):
 
     @staticmethod
     def xmr_swap_a_lock_spend_tx_vsize() -> int:
-        raise ValueError('Not possible')
+        raise ValueError("Not possible")
+
+    @staticmethod
+    def est_lock_tx_vsize() -> int:
+        # TODO: Estimate with ringsize
+        return 1604
 
     @staticmethod
     def xmr_swap_b_lock_spend_tx_vsize() -> int:
         # TODO: Estimate with ringsize
         return 1604
 
+    def is_transient_error(self, ex) -> bool:
+        str_error: str = str(ex).lower()
+        if "failed to get earliest fork height" in str_error:
+            return True
+        return super().is_transient_error(ex)
+
     def __init__(self, coin_settings, network, swap_client=None):
         super().__init__(network)
 
-        self._addr_prefix = self.chainparams_network()['address_prefix']
+        self._addr_prefix = self.chainparams_network()["address_prefix"]
 
-        self.blocks_confirmed = coin_settings['blocks_confirmed']
-        self._restore_height = coin_settings.get('restore_height', 0)
-        self.setFeePriority(coin_settings.get('fee_priority', 0))
+        self.blocks_confirmed = coin_settings["blocks_confirmed"]
+        self._restore_height = coin_settings.get("restore_height", 0)
+        self.setFeePriority(coin_settings.get("fee_priority", 0))
         self._sc = swap_client
         self._log = self._sc.log if self._sc and self._sc.log else logging
         self._wallet_password = None
         self._have_checked_seed = False
+        self._wallet_filename = coin_settings.get("wallet_name", "swap_wallet")
 
         daemon_login = None
-        if coin_settings.get('rpcuser', '') != '':
-            daemon_login = (coin_settings.get('rpcuser', ''), coin_settings.get('rpcpassword', ''))
+        if coin_settings.get("rpcuser", "") != "":
+            daemon_login = (
+                coin_settings.get("rpcuser", ""),
+                coin_settings.get("rpcpassword", ""),
+            )
 
-        rpchost = coin_settings.get('rpchost', '127.0.0.1')
+        rpchost = coin_settings.get("rpchost", "127.0.0.1")
         proxy_host = None
         proxy_port = None
         # Connect to the daemon over a proxy if not running locally
         if swap_client:
             chain_client_settings = swap_client.getChainClientSettings(self.coin_type())
-            manage_daemon: bool = chain_client_settings['manage_daemon']
+            manage_daemon: bool = chain_client_settings["manage_daemon"]
             if swap_client.use_tor_proxy:
                 if manage_daemon is False:
-                    log_str: str = ''
-                    have_cc_tor_opt = 'use_tor' in chain_client_settings
-                    if have_cc_tor_opt and chain_client_settings['use_tor'] is False:
-                        log_str = ' bypassing proxy (use_tor false for XMR)'
+                    log_str: str = ""
+                    have_cc_tor_opt = "use_tor" in chain_client_settings
+                    if have_cc_tor_opt and chain_client_settings["use_tor"] is False:
+                        log_str = (
+                            f" bypassing proxy (use_tor false for {self.coin_name()})"
+                        )
                     elif have_cc_tor_opt is False and is_private_ip_address(rpchost):
-                        log_str = ' bypassing proxy (private ip address)'
+                        log_str = " bypassing proxy (private ip address)"
                     else:
                         proxy_host = swap_client.tor_proxy_host
                         proxy_port = swap_client.tor_proxy_port
-                        log_str = f' through proxy at {proxy_host}'
-                    self._log.info(f'Connecting to remote {self.coin_name()} daemon at {rpchost}{log_str}.')
+                        log_str = f" through proxy at {proxy_host}"
+                    self._log.info(
+                        f"Connecting to remote {self.coin_name()} daemon at {rpchost}{log_str}."
+                    )
                 else:
-                    self._log.info(f'Not connecting to local {self.coin_name()} daemon through proxy.')
+                    self._log.info(
+                        f"Not connecting to local {self.coin_name()} daemon through proxy."
+                    )
             elif manage_daemon is False:
-                self._log.info(f'Connecting to remote {self.coin_name()} daemon at {rpchost}.')
+                self._log.info(
+                    f"Connecting to remote {self.coin_name()} daemon at {rpchost}."
+                )
 
-        self._rpctimeout = coin_settings.get('rpctimeout', 60)
-        self._walletrpctimeout = coin_settings.get('walletrpctimeout', 120)
-        self._walletrpctimeoutlong = coin_settings.get('walletrpctimeoutlong', 600)
+        self._rpctimeout = coin_settings.get("rpctimeout", 60)
+        self._walletrpctimeout = coin_settings.get("walletrpctimeout", 120)
+        # walletrpctimeoutlong likely unneeded
+        self._walletrpctimeoutlong = coin_settings.get("walletrpctimeoutlong", 600)
 
-        self.rpc = make_xmr_rpc_func(coin_settings['rpcport'], daemon_login, host=rpchost, proxy_host=proxy_host, proxy_port=proxy_port, default_timeout=self._rpctimeout, tag='Node(j) ')
-        self.rpc2 = make_xmr_rpc2_func(coin_settings['rpcport'], daemon_login, host=rpchost, proxy_host=proxy_host, proxy_port=proxy_port, default_timeout=self._rpctimeout, tag='Node ')  # non-json endpoint
-        self.rpc_wallet = make_xmr_rpc_func(coin_settings['walletrpcport'], coin_settings['walletrpcauth'], host=coin_settings.get('walletrpchost', '127.0.0.1'), default_timeout=self._walletrpctimeout, tag='Wallet ')
-
-    def checkWallets(self) -> int:
-        return 1
+        self.rpc = make_xmr_rpc_func(
+            coin_settings["rpcport"],
+            daemon_login,
+            host=rpchost,
+            proxy_host=proxy_host,
+            proxy_port=proxy_port,
+            default_timeout=self._rpctimeout,
+            tag="Node(j) ",
+        )
+        self.rpc2 = make_xmr_rpc2_func(
+            coin_settings["rpcport"],
+            daemon_login,
+            host=rpchost,
+            proxy_host=proxy_host,
+            proxy_port=proxy_port,
+            default_timeout=self._rpctimeout,
+            tag="Node ",
+        )  # non-json endpoint
+        self.rpc_wallet = make_xmr_rpc_func(
+            coin_settings["walletrpcport"],
+            coin_settings["walletrpcauth"],
+            host=coin_settings.get("walletrpchost", "127.0.0.1"),
+            default_timeout=self._walletrpctimeout,
+            tag="Wallet ",
+        )
 
     def setFeePriority(self, new_priority):
-        ensure(new_priority >= 0 and new_priority < 4, 'Invalid fee_priority value')
+        ensure(new_priority >= 0 and new_priority < 4, "Invalid fee_priority value")
         self._fee_priority = new_priority
 
-    def setWalletFilename(self, wallet_filename):
-        self._wallet_filename = wallet_filename
-
     def createWallet(self, params):
         if self._wallet_password is not None:
-            params['password'] = self._wallet_password
-        rv = self.rpc_wallet('generate_from_keys', params)
-        self._log.info('generate_from_keys %s', dumpj(rv))
+            params["password"] = self._wallet_password
+        rv = self.rpc_wallet("generate_from_keys", params)
+        if "address" in rv:
+            new_address: str = rv["address"]
+            is_watch_only: bool = "Watch-only" in rv.get("info", "")
+            self._log.info(
+                "Generated{} {} wallet: {}".format(
+                    " watch-only" if is_watch_only else "",
+                    self.coin_name(),
+                    self._log.addr(new_address),
+                )
+            )
+        else:
+            self._log.debug("generate_from_keys %s", dumpj(rv))
+            raise ValueError("generate_from_keys failed")
 
     def openWallet(self, filename):
-        params = {'filename': filename}
+        params = {"filename": filename}
         if self._wallet_password is not None:
-            params['password'] = self._wallet_password
+            params["password"] = self._wallet_password
 
         try:
-            # Can't reopen the same wallet in windows, !is_keys_file_locked()
-            self.rpc_wallet('close_wallet')
-        except Exception:
-            pass
-        self.rpc_wallet('open_wallet', params)
+            self.rpc_wallet("open_wallet", params)
+        except Exception as e:
+            if "no connection to daemon" in str(e):
+                self._log.debug(f"{self.coin_name()} {e}")
+                return  # Bypass refresh error to allow startup with a busy daemon
+            if any(
+                x in str(e)
+                for x in (
+                    "invalid signature",
+                    "std::bad_alloc",
+                    "basic_string::_M_replace_aux",
+                )
+            ):
+                self._log.error(f"{self.coin_name()} wallet is corrupt.")
+                chain_client_settings = self._sc.getChainClientSettings(
+                    self.coin_type()
+                )  # basicswap.json
+                if chain_client_settings.get("manage_wallet_daemon", False):
+                    self._log.info(f"Renaming {self.coin_name()} wallet cache file.")
+                    walletpath = os.path.join(
+                        chain_client_settings.get("datadir", "none"),
+                        "wallets",
+                        filename,
+                    )
+                    if not os.path.isfile(walletpath):
+                        self._log.warning(
+                            f"Could not find {self.coin_name()} wallet cache file."
+                        )
+                        raise
+                    bkp_path = walletpath + ".corrupt"
+                    for i in range(100):
+                        if not os.path.exists(bkp_path):
+                            break
+                        bkp_path = walletpath + f".corrupt{i}"
+                    if os.path.exists(bkp_path):
+                        self._log.error(
+                            f"Could not find backup path for {self.coin_name()} wallet."
+                        )
+                        raise
+                    os.rename(walletpath, bkp_path)
+                    # Drop through to open_wallet
+                else:
+                    raise
+            else:
+                try:
+                    self.rpc_wallet("close_wallet")
+                    self._log.debug(f"Closing {self.coin_name()} wallet")
+                except Exception as e:  # noqa: F841
+                    pass
 
-    def initialiseWallet(self, key_view, key_spend, restore_height=None):
+            self.rpc_wallet("open_wallet", params)
+            self._log.debug(f"Attempting 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)
@@ -170,11 +270,11 @@ class XMRInterface(CoinInterface):
             address_b58 = xmr_util.encode_address(Kbv, Kbs, self._addr_prefix)
 
             params = {
-                'filename': self._wallet_filename,
-                'address': address_b58,
-                'viewkey': b2h(key_view[::-1]),
-                'spendkey': b2h(key_spend[::-1]),
-                'restore_height': self._restore_height,
+                "filename": self._wallet_filename,
+                "address": address_b58,
+                "viewkey": b2h(key_view[::-1]),
+                "spendkey": b2h(key_spend[::-1]),
+                "restore_height": self._restore_height,
             }
             self.createWallet(params)
             self.openWallet(self._wallet_filename)
@@ -184,89 +284,99 @@ class XMRInterface(CoinInterface):
             self.openWallet(self._wallet_filename)
 
     def testDaemonRPC(self, with_wallet=True) -> None:
-        self.rpc_wallet('get_languages')
+        self.rpc_wallet("get_languages")
 
     def getDaemonVersion(self):
-        return self.rpc_wallet('get_version')['version']
+        return self.rpc_wallet("get_version")["version"]
 
     def getBlockchainInfo(self):
-        get_height = self.rpc2('get_height', timeout=self._rpctimeout)
+        get_height = self.rpc2("get_height", timeout=self._rpctimeout)
         rv = {
-            'blocks': get_height['height'],
-            'verificationprogress': 0.0,
+            "blocks": get_height["height"],
+            "verificationprogress": 0.0,
         }
 
         try:
             # get_block_count.block_count is how many blocks are in the longest chain known to the node.
             # get_block_count returns "Internal error" if bootstrap-daemon is active
-            if get_height['untrusted'] is True:
-                rv['bootstrapping'] = True
-                get_info = self.rpc2('get_info', timeout=self._rpctimeout)
-                if 'height_without_bootstrap' in get_info:
-                    rv['blocks'] = get_info['height_without_bootstrap']
+            if get_height["untrusted"] is True:
+                rv["bootstrapping"] = True
+                get_info = self.rpc2("get_info", timeout=self._rpctimeout)
+                if "height_without_bootstrap" in get_info:
+                    rv["blocks"] = get_info["height_without_bootstrap"]
 
-                rv['known_block_count'] = get_info['height']
-                if rv['known_block_count'] > rv['blocks']:
-                    rv['verificationprogress'] = rv['blocks'] / rv['known_block_count']
+                rv["known_block_count"] = get_info["height"]
+                if rv["known_block_count"] > rv["blocks"]:
+                    rv["verificationprogress"] = rv["blocks"] / rv["known_block_count"]
             else:
-                rv['known_block_count'] = self.rpc('get_block_count', timeout=self._rpctimeout)['count']
-                rv['verificationprogress'] = rv['blocks'] / rv['known_block_count']
+                rv["known_block_count"] = self.rpc(
+                    "get_block_count", timeout=self._rpctimeout
+                )["count"]
+                rv["verificationprogress"] = rv["blocks"] / rv["known_block_count"]
         except Exception as e:
-            self._log.warning('XMR get_block_count failed with: %s', str(e))
-            rv['verificationprogress'] = 0.0
+            self._log.warning(f"{self.ticker_str()} get_block_count failed with: {e}")
+            rv["verificationprogress"] = 0.0
 
         return rv
 
     def getChainHeight(self):
-        return self.rpc2('get_height', timeout=self._rpctimeout)['height']
+        return self.rpc2("get_height", timeout=self._rpctimeout)["height"]
 
     def getWalletInfo(self):
         with self._mx_wallet:
             try:
                 self.openWallet(self._wallet_filename)
             except Exception as e:
-                if 'Failed to open wallet' in str(e):
-                    rv = {'encrypted': True, 'locked': True, 'balance': 0, 'unconfirmed_balance': 0}
+                if "Failed to open wallet" in str(e):
+                    rv = {
+                        "encrypted": True,
+                        "locked": True,
+                        "balance": 0,
+                        "unconfirmed_balance": 0,
+                    }
                     return rv
                 raise e
 
             rv = {}
-            self.rpc_wallet('refresh')
-            balance_info = self.rpc_wallet('get_balance')
+            self.rpc_wallet("refresh")
+            self._log.debug(f"Refreshing {self.coin_name()} wallet")
+            balance_info = self.rpc_wallet("get_balance")
 
-            rv['balance'] = self.format_amount(balance_info['unlocked_balance'])
-            rv['unconfirmed_balance'] = self.format_amount(balance_info['balance'] - balance_info['unlocked_balance'])
-            rv['encrypted'] = False if self._wallet_password is None else True
-            rv['locked'] = False
+            rv["wallet_blocks"] = self.rpc_wallet("get_height")["height"]
+            rv["balance"] = self.format_amount(balance_info["unlocked_balance"])
+            rv["unconfirmed_balance"] = self.format_amount(
+                balance_info["balance"] - balance_info["unlocked_balance"]
+            )
+            rv["encrypted"] = False if self._wallet_password is None else True
+            rv["locked"] = False
             return rv
 
-    def walletRestoreHeight(self):
-        return self._restore_height
-
     def getMainWalletAddress(self) -> str:
         with self._mx_wallet:
             self.openWallet(self._wallet_filename)
-            return self.rpc_wallet('get_address')['address']
+            return self.rpc_wallet("get_address")["address"]
 
     def getNewAddress(self, placeholder) -> str:
         with self._mx_wallet:
             self.openWallet(self._wallet_filename)
-            new_address = self.rpc_wallet('create_address', {'account_index': 0})['address']
-            self.rpc_wallet('store')
+            new_address = self.rpc_wallet("create_address", {"account_index": 0})[
+                "address"
+            ]
+            self.rpc_wallet("store")
             return new_address
 
     def get_fee_rate(self, conf_target: int = 2):
         # fees - array of unsigned int; Represents the base fees at different priorities [slow, normal, fast, fastest].
-        fee_est = self.rpc('get_fee_estimate')
+        fee_est = self.rpc("get_fee_estimate")
         if conf_target <= 1:
             conf_target = 1  # normal
         else:
             conf_target = 0  # slow
-        fee_per_k_bytes = fee_est['fees'][conf_target] * 1000
+        fee_per_k_bytes = fee_est["fees"][conf_target] * 1000
 
-        return float(self.format_amount(fee_per_k_bytes)), 'get_fee_estimate'
+        return float(self.format_amount(fee_per_k_bytes)), "get_fee_estimate"
 
-    def getNewSecretKey(self) -> bytes:
+    def getNewRandomKey(self) -> bytes:
         # Note: Returned bytes are in big endian order
         return i2b(edu.get_secret())
 
@@ -295,7 +405,7 @@ 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
@@ -321,45 +431,63 @@ 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')
+            self.rpc_wallet("refresh")
+            self._log.debug(f"Refreshing {self.coin_name()} wallet")
 
             Kbv = self.getPubkey(kbv)
             shared_addr = xmr_util.encode_address(Kbv, Kbs, self._addr_prefix)
 
-            params = {'destinations': [{'amount': output_amount, 'address': shared_addr}], 'unlock_time': unlock_time}
+            params = {
+                "destinations": [{"amount": output_amount, "address": shared_addr}],
+                "unlock_time": unlock_time,
+            }
             if self._fee_priority > 0:
-                params['priority'] = self._fee_priority
-            rv = self.rpc_wallet('transfer', params)
-            self._log.info('publishBLockTx %s to address_b58 %s', rv['tx_hash'], shared_addr)
-            tx_hash = bytes.fromhex(rv['tx_hash'])
+                params["priority"] = self._fee_priority
+            rv = self.rpc_wallet("transfer", params)
+            self._log.info(
+                "publishBLockTx %s to address_b58 %s",
+                self._log.id(rv["tx_hash"]),
+                self._log.addr(shared_addr),
+            )
+            tx_hash = bytes.fromhex(rv["tx_hash"])
 
             return tx_hash
 
-    def findTxB(self, kbv, Kbs, cb_swap_value, cb_block_confirmed, restore_height, bid_sender):
+    def findTxB(
+        self, kbv, Kbs, cb_swap_value, cb_block_confirmed, restore_height, bid_sender
+    ):
         with self._mx_wallet:
             Kbv = self.getPubkey(kbv)
             address_b58 = xmr_util.encode_address(Kbv, Kbs, self._addr_prefix)
 
             kbv_le = kbv[::-1]
             params = {
-                'restore_height': restore_height,
-                'filename': address_b58,
-                'address': address_b58,
-                'viewkey': b2h(kbv_le),
+                "restore_height": restore_height,
+                "filename": address_b58,
+                "address": address_b58,
+                "viewkey": b2h(kbv_le),
             }
 
             try:
                 self.openWallet(address_b58)
-            except Exception as e:
+            except Exception as e:  # noqa: F841
                 self.createWallet(params)
                 self.openWallet(address_b58)
 
-            self.rpc_wallet('refresh', timeout=self._walletrpctimeoutlong)
+            self.rpc_wallet("refresh")
+            self._log.debug(f"Refreshing {self.coin_name()} wallet")
 
-            '''
+            """
             # Debug
             try:
                 current_height = self.rpc_wallet('get_height')['height']
@@ -368,136 +496,225 @@ class XMRInterface(CoinInterface):
                 self._log.info('rpc failed %s', str(e))
                 current_height = None  # If the transfer is available it will be deep enough
                 #   and (current_height is None or current_height - transfer['block_height'] > cb_block_confirmed):
-            '''
-            params = {'transfer_type': 'available'}
-            transfers = self.rpc_wallet('incoming_transfers', params)
+            """
+            params = {"transfer_type": "available"}
+            transfers = self.rpc_wallet("incoming_transfers", params)
             rv = None
-            if 'transfers' in transfers:
-                for transfer in transfers['transfers']:
+            if "transfers" in transfers:
+                for transfer in transfers["transfers"]:
                     # unlocked <- wallet->is_transfer_unlocked() checks unlock_time and CRYPTONOTE_DEFAULT_TX_SPENDABLE_AGE
-                    if not transfer['unlocked']:
-                        full_tx = self.rpc_wallet('get_transfer_by_txid', {'txid': transfer['tx_hash']})
-                        unlock_time = full_tx['transfer']['unlock_time']
+                    if not transfer["unlocked"]:
+                        full_tx = self.rpc_wallet(
+                            "get_transfer_by_txid", {"txid": transfer["tx_hash"]}
+                        )
+                        unlock_time = full_tx["transfer"]["unlock_time"]
                         if unlock_time != 0:
-                            self._log.warning('Coin b lock txn is locked: {}, unlock_time {}'.format(transfer['tx_hash'], unlock_time))
+                            self._log.warning(
+                                "Coin b lock txn is locked: {}, unlock_time {}".format(
+                                    transfer["tx_hash"], unlock_time
+                                )
+                            )
                             rv = -1
                             continue
-                    if transfer['amount'] == cb_swap_value:
-                        return {'txid': transfer['tx_hash'], 'amount': transfer['amount'], 'height': 0 if 'block_height' not in transfer else transfer['block_height']}
+                    if transfer["amount"] == cb_swap_value:
+                        return {
+                            "txid": transfer["tx_hash"],
+                            "amount": transfer["amount"],
+                            "height": (
+                                0
+                                if "block_height" not in transfer
+                                else transfer["block_height"]
+                            ),
+                        }
                     else:
-                        self._log.warning('Incorrect amount detected for coin b lock txn: {}'.format(transfer['tx_hash']))
+                        self._log.warning(
+                            "Incorrect amount detected for coin b lock txn: {}".format(
+                                transfer["tx_hash"]
+                            )
+                        )
                         rv = -1
             return rv
 
     def findTxnByHash(self, txid):
         with self._mx_wallet:
             self.openWallet(self._wallet_filename)
-            self.rpc_wallet('refresh', timeout=self._walletrpctimeoutlong)
+            self.rpc_wallet("refresh")
+            self._log.debug(f"Refreshing {self.coin_name()} wallet")
 
             try:
-                current_height = self.rpc2('get_height', timeout=self._rpctimeout)['height']
-                self._log.info('findTxnByHash XMR current_height %d\nhash: %s', current_height, txid)
+                current_height = self.rpc2("get_height", timeout=self._rpctimeout)[
+                    "height"
+                ]
+                self._log.info(
+                    f"findTxnByHash {self.ticker_str()} current_height {current_height}\nhash: {txid}"
+                )
             except Exception as e:
-                self._log.info('rpc failed %s', str(e))
-                current_height = None  # If the transfer is available it will be deep enough
+                self._log.info("rpc failed %s", str(e))
+                current_height = (
+                    None  # If the transfer is available it will be deep enough
+                )
 
-            params = {'transfer_type': 'available'}
-            rv = self.rpc_wallet('incoming_transfers', params)
-            if 'transfers' in rv:
-                for transfer in rv['transfers']:
-                    if transfer['tx_hash'] == txid \
-                       and (current_height is None or current_height - transfer['block_height'] > self.blocks_confirmed):
-                        return {'txid': transfer['tx_hash'], 'amount': transfer['amount'], 'height': transfer['block_height']}
+            params = {"transfer_type": "available"}
+            rv = self.rpc_wallet("incoming_transfers", params)
+            if "transfers" in rv:
+                for transfer in rv["transfers"]:
+                    if transfer["tx_hash"] == txid and (
+                        current_height is None
+                        or current_height - transfer["block_height"]
+                        > self.blocks_confirmed
+                    ):
+                        return {
+                            "txid": transfer["tx_hash"],
+                            "amount": transfer["amount"],
+                            "height": transfer["block_height"],
+                        }
 
             return None
 
-    def spendBLockTx(self, chain_b_lock_txid: bytes, address_to: str, kbv: bytes, kbs: bytes, cb_swap_value: int, b_fee_rate: int, restore_height: int, spend_actual_balance: bool = False) -> bytes:
-        '''
+    def spendBLockTx(
+        self,
+        chain_b_lock_txid: bytes,
+        address_to: str,
+        kbv: bytes,
+        kbs: bytes,
+        cb_swap_value: int,
+        b_fee_rate: int,
+        restore_height: int,
+        spend_actual_balance: bool = False,
+        lock_tx_vout=None,
+    ) -> bytes:
+        """
         Notes:
         "Error: No unlocked balance in the specified subaddress(es)" can mean not enough funds after tx fee.
-        '''
+        """
         with self._mx_wallet:
             Kbv = self.getPubkey(kbv)
             Kbs = self.getPubkey(kbs)
             address_b58 = xmr_util.encode_address(Kbv, Kbs, self._addr_prefix)
 
-            wallet_filename = address_b58 + '_spend'
+            wallet_filename = address_b58 + "_spend"
 
             params = {
-                'filename': wallet_filename,
-                'address': address_b58,
-                'viewkey': b2h(kbv[::-1]),
-                'spendkey': b2h(kbs[::-1]),
-                'restore_height': restore_height,
+                "filename": wallet_filename,
+                "address": address_b58,
+                "viewkey": b2h(kbv[::-1]),
+                "spendkey": b2h(kbs[::-1]),
+                "restore_height": restore_height,
             }
 
             try:
                 self.openWallet(wallet_filename)
-            except Exception as e:
+            except Exception as e:  # noqa: F841
                 self.createWallet(params)
                 self.openWallet(wallet_filename)
 
-            self.rpc_wallet('refresh')
-            rv = self.rpc_wallet('get_balance')
-            if rv['balance'] < cb_swap_value:
-                self._log.warning('Balance is too low, checking for existing spend.')
-                txns = self.rpc_wallet('get_transfers', {'out': True})
-                if 'out' in txns:
-                    txns = txns['out']
+            self.rpc_wallet("refresh")
+            self._log.debug(f"Refreshing {self.coin_name()} wallet")
+            rv = self.rpc_wallet("get_balance")
+            if rv["balance"] < cb_swap_value:
+                self._log.warning("Balance is too low, checking for existing spend.")
+                txns = self.rpc_wallet("get_transfers", {"out": True})
+                if "out" in txns:
+                    txns = txns["out"]
                     if len(txns) > 0:
-                        txid = txns[0]['txid']
-                        self._log.warning(f'spendBLockTx detected spending tx: {txid}.')
-                        if txns[0]['address'] == address_b58:
+                        txid = txns[0]["txid"]
+                        self._log.warning(f"spendBLockTx detected spending tx: {txid}.")
+
+                        # Should check for address_to, but only the from address is found in the output
+                        if txns[0]["address"] == address_b58:
                             return bytes.fromhex(txid)
 
-                self._log.error('wallet {} balance {}, expected {}'.format(wallet_filename, rv['balance'], cb_swap_value))
+                self._log.error(
+                    "wallet {} balance {}, expected {}".format(
+                        wallet_filename, rv["balance"], cb_swap_value
+                    )
+                )
 
                 if not spend_actual_balance:
-                    raise TemporaryError('Invalid balance')
+                    raise TemporaryError("Invalid balance")
 
-            if spend_actual_balance and rv['balance'] != cb_swap_value:
-                self._log.warning('Spending actual balance {}, not swap value {}.'.format(rv['balance'], cb_swap_value))
-                cb_swap_value = rv['balance']
-            if rv['unlocked_balance'] < cb_swap_value:
-                self._log.error('wallet {} balance {}, expected {}, blocks_to_unlock {}'.format(wallet_filename, rv['unlocked_balance'], cb_swap_value, rv['blocks_to_unlock']))
-                raise TemporaryError('Invalid unlocked_balance')
+            if spend_actual_balance and rv["balance"] != cb_swap_value:
+                self._log.warning(
+                    "Spending actual balance {}, not swap value {}.".format(
+                        rv["balance"], cb_swap_value
+                    )
+                )
+                cb_swap_value = rv["balance"]
+            if rv["unlocked_balance"] < cb_swap_value:
+                self._log.error(
+                    "wallet {} balance {}, expected {}, blocks_to_unlock {}".format(
+                        wallet_filename,
+                        rv["unlocked_balance"],
+                        cb_swap_value,
+                        rv["blocks_to_unlock"],
+                    )
+                )
+                raise TemporaryError("Invalid unlocked_balance")
 
-            params = {'address': address_to}
+            params = {"address": address_to}
             if self._fee_priority > 0:
-                params['priority'] = self._fee_priority
+                params["priority"] = self._fee_priority
 
-            rv = self.rpc_wallet('sweep_all', params)
-            self._log.debug('sweep_all {}'.format(json.dumps(rv)))
+            rv = self.rpc_wallet("sweep_all", params)
 
-            return bytes.fromhex(rv['tx_hash_list'][0])
+            return bytes.fromhex(rv["tx_hash_list"][0])
 
-    def withdrawCoin(self, value, addr_to: str, sweepall: bool, estimate_fee: bool = False) -> str:
+    def withdrawCoin(
+        self, value, addr_to: str, sweepall: bool, estimate_fee: bool = False
+    ) -> str:
         with self._mx_wallet:
             self.openWallet(self._wallet_filename)
-            self.rpc_wallet('refresh')
+            self.rpc_wallet("refresh")
+            self._log.debug(f"Refreshing {self.coin_name()} wallet")
 
             if sweepall:
-                balance = self.rpc_wallet('get_balance')
-                if balance['balance'] != balance['unlocked_balance']:
-                    raise ValueError('Balance must be fully confirmed to use sweep all.')
-                self._log.info('XMR {} sweep_all.'.format('estimate fee' if estimate_fee else 'withdraw'))
-                self._log.debug('XMR balance: {}'.format(balance['balance']))
-                params = {'address': addr_to, 'do_not_relay': estimate_fee}
+                balance = self.rpc_wallet("get_balance")
+                if balance["balance"] != balance["unlocked_balance"]:
+                    raise ValueError(
+                        "Balance must be fully confirmed to use sweep all."
+                    )
+                self._log.info(
+                    "{} {} sweep_all.".format(
+                        self.ticker_str(),
+                        "estimate fee" if estimate_fee else "withdraw",
+                    )
+                )
+                self._log.debug(
+                    "{} balance: {}".format(self.ticker_str(), balance["balance"])
+                )
+                params = {
+                    "address": addr_to,
+                    "do_not_relay": estimate_fee,
+                    "subaddr_indices_all": True,
+                }
                 if self._fee_priority > 0:
-                    params['priority'] = self._fee_priority
-                rv = self.rpc_wallet('sweep_all', params)
+                    params["priority"] = self._fee_priority
+                rv = self.rpc_wallet("sweep_all", params)
                 if estimate_fee:
-                    return {'num_txns': len(rv['fee_list']), 'sum_amount': sum(rv['amount_list']), 'sum_fee': sum(rv['fee_list']), 'sum_weight': sum(rv['weight_list'])}
-                return rv['tx_hash_list'][0]
+                    return {
+                        "num_txns": len(rv["fee_list"]),
+                        "sum_amount": sum(rv["amount_list"]),
+                        "sum_fee": sum(rv["fee_list"]),
+                        "sum_weight": sum(rv["weight_list"]),
+                    }
+                return rv["tx_hash_list"][0]
 
-            value_sats: int = make_int(value, self.exp())
-            params = {'destinations': [{'amount': value_sats, 'address': addr_to}], 'do_not_relay': estimate_fee}
+            value_sats: int = self.make_int(value)
+            params = {
+                "destinations": [{"amount": value_sats, "address": addr_to}],
+                "do_not_relay": estimate_fee,
+            }
             if self._fee_priority > 0:
-                params['priority'] = self._fee_priority
-            rv = self.rpc_wallet('transfer', params)
+                params["priority"] = self._fee_priority
+            rv = self.rpc_wallet("transfer", params)
             if estimate_fee:
-                return {'num_txns': 1, 'sum_amount': rv['amount'], 'sum_fee': rv['fee'], 'sum_weight': rv['weight']}
-            return rv['tx_hash']
+                return {
+                    "num_txns": 1,
+                    "sum_amount": rv["amount"],
+                    "sum_fee": rv["fee"],
+                    "sum_weight": rv["weight"],
+                }
+            return rv["tx_hash"]
 
     def estimateFee(self, value: int, addr_to: str, sweepall: bool) -> str:
         return self.withdrawCoin(value, addr_to, sweepall, estimate_fee=True)
@@ -507,7 +724,7 @@ 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:
@@ -515,54 +732,66 @@ class XMRInterface(CoinInterface):
                     try:
                         self.openWallet(wallet_file)
                     except Exception:
-                        self._log.info(f'showLockTransfers trying to create wallet for address {address_b58}.')
+                        self._log.info(
+                            f"showLockTransfers trying to create wallet for address {address_b58}."
+                        )
                         kbv_le = kbv[::-1]
                         params = {
-                            'restore_height': restore_height,
-                            'filename': address_b58,
-                            'address': address_b58,
-                            'viewkey': b2h(kbv_le),
+                            "restore_height": restore_height,
+                            "filename": address_b58,
+                            "address": address_b58,
+                            "viewkey": b2h(kbv_le),
                         }
                         self.createWallet(params)
                         self.openWallet(address_b58)
 
-                self.rpc_wallet('refresh')
+                self.rpc_wallet("refresh")
+                self._log.debug(f"Refreshing {self.coin_name()} wallet")
 
-                rv = self.rpc_wallet('get_transfers', {'in': True, 'out': True, 'pending': True, 'failed': True})
-                rv['filename'] = wallet_file
+                rv = self.rpc_wallet(
+                    "get_transfers",
+                    {"in": True, "out": True, "pending": True, "failed": True},
+                )
+                rv["filename"] = wallet_file
                 return rv
             except Exception as e:
-                return {'error': str(e)}
+                return {"error": str(e)}
 
     def getSpendableBalance(self) -> int:
         with self._mx_wallet:
             self.openWallet(self._wallet_filename)
+            self.rpc_wallet("refresh")
+            self._log.debug(f"Refreshing {self.coin_name()} wallet")
 
-            self.rpc_wallet('refresh')
-            balance_info = self.rpc_wallet('get_balance')
-            return balance_info['unlocked_balance']
+            balance_info = self.rpc_wallet("get_balance")
+            return balance_info["unlocked_balance"]
 
-    def changeWalletPassword(self, old_password, new_password):
-        self._log.info('changeWalletPassword - {}'.format(self.ticker()))
+    def changeWalletPassword(
+        self, old_password, new_password, check_seed_if_encrypt: bool = True
+    ):
+        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()))
+    def unlockWallet(self, password: str, check_seed: bool = True) -> None:
+        self._log.info("unlockWallet - {}".format(self.ticker()))
         self._wallet_password = password
 
-        if not self._have_checked_seed:
+        if check_seed and 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):
@@ -571,7 +800,14 @@ 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.proto

@@ -1,156 +0,0 @@
-syntax = "proto3";
-
-package basicswap;
-
-/* Step 1, seller -> network */
-message OfferMessage {
-    uint32 protocol_version = 1;
-    uint32 coin_from = 2;
-    uint32 coin_to = 3;
-    uint64 amount_from = 4;
-    uint64 amount_to = 5;
-    uint64 min_bid_amount = 6;
-    uint64 time_valid = 7;
-    enum LockType {
-        NOT_SET = 0;
-        SEQUENCE_LOCK_BLOCKS = 1;
-        SEQUENCE_LOCK_TIME = 2;
-        ABS_LOCK_BLOCKS = 3;
-        ABS_LOCK_TIME = 4;
-    }
-    LockType lock_type = 8;
-    uint32 lock_value = 9;
-    uint32 swap_type = 10;
-
-    /* optional */
-    string proof_address = 11;
-    string proof_signature = 12;
-    bytes pkhash_seller = 13;
-    bytes secret_hash = 14;
-
-    uint64 fee_rate_from = 15;
-    uint64 fee_rate_to = 16;
-
-    bool amount_negotiable = 17;
-    bool rate_negotiable = 18;
-
-    bytes proof_utxos = 19;          /* 32 byte txid 2 byte vout, repeated */
-}
-
-/* Step 2, buyer -> seller */
-message BidMessage {
-    uint32 protocol_version = 1;
-    bytes offer_msg_id = 2;
-    uint64 time_valid = 3;          /* seconds bid is valid for */
-    uint64 amount = 4;              /* amount of amount_from bid is for */
-    uint64 amount_to = 5;
-    bytes pkhash_buyer = 6;         /* buyer's address to receive amount_from */
-    string proof_address = 7;
-    string proof_signature = 8;
-
-    bytes proof_utxos = 9;          /* 32 byte txid 2 byte vout, repeated */
-}
-
-/* For tests */
-message BidMessage_test {
-    uint32 protocol_version = 1;
-    bytes offer_msg_id = 2;
-    uint64 time_valid = 3;
-    uint64 amount = 4;
-    uint64 rate = 5;
-}
-
-/* Step 3, seller -> buyer */
-message BidAcceptMessage {
-    bytes bid_msg_id = 1;
-    bytes initiate_txid = 2;
-    bytes contract_script = 3;
-}
-
-message OfferRevokeMessage {
-    bytes offer_msg_id = 1;
-    bytes signature = 2;
-}
-
-message BidRejectMessage {
-    bytes bid_msg_id = 1;
-    uint32 reject_code = 2;
-}
-
-message XmrBidMessage {
-    /* MSG1L, F -> L */
-    uint32 protocol_version = 1;
-    bytes offer_msg_id = 2;
-    uint64 time_valid = 3;          /* seconds bid is valid for */
-    uint64 amount = 4;              /* amount of amount_from bid is for */
-    uint64 amount_to = 5;
-
-    bytes pkaf = 6;
-
-    bytes kbvf = 7;
-    bytes kbsf_dleag = 8;
-
-    bytes dest_af = 9;
-}
-
-message XmrSplitMessage {
-    bytes msg_id = 1;
-    uint32 msg_type = 2;  /* 1 XmrBid, 2 XmrBidAccept */
-    uint32 sequence = 3;
-    bytes dleag = 4;
-}
-
-message XmrBidAcceptMessage {
-    bytes bid_msg_id = 1;
-
-    bytes pkal = 2;
-    bytes kbvl = 3;
-    bytes kbsl_dleag = 4;
-
-    /* MSG2F */
-    bytes a_lock_tx = 5;
-    bytes a_lock_tx_script = 6;
-    bytes a_lock_refund_tx = 7;
-    bytes a_lock_refund_tx_script = 8;
-    bytes a_lock_refund_spend_tx = 9;
-    bytes al_lock_refund_tx_sig = 10;
-}
-
-message XmrBidLockTxSigsMessage {
-    /* MSG3L */
-    bytes bid_msg_id = 1;
-    bytes af_lock_refund_spend_tx_esig = 2;
-    bytes af_lock_refund_tx_sig = 3;
-}
-
-message XmrBidLockSpendTxMessage {
-    /* MSG4F */
-    bytes bid_msg_id = 1;
-    bytes a_lock_spend_tx = 2;
-    bytes kal_sig = 3;
-}
-
-message XmrBidLockReleaseMessage {
-    /* MSG5F */
-    bytes bid_msg_id = 1;
-    bytes al_lock_spend_tx_esig = 2;
-}
-
-message ADSBidIntentMessage {
-    /* L -> F Sent from bidder, construct a reverse bid */
-    uint32 protocol_version = 1;
-    bytes offer_msg_id = 2;
-    uint64 time_valid = 3;          /* seconds bid is valid for */
-    uint64 amount_from = 4;         /* amount of offer.coin_from bid is for */
-    uint64 amount_to = 5;           /* amount of offer.coin_to bid is for, equivalent to bid.amount */
-}
-
-message ADSBidIntentAcceptMessage {
-    /* F -> L Sent from offerer, construct a reverse bid */
-    bytes bid_msg_id = 1;
-
-    bytes pkaf = 2;
-    bytes kbvf = 3;
-    bytes kbsf_dleag = 4;
-    bytes dest_af = 5;
-}

basicswap/messages_npb.py

@@ -0,0 +1,267 @@
+#!/usr/bin/env python
+# -*- 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.
+
+
+"""
+syntax = "proto3";
+
+0 VARINT int32, int64, uint32, uint64, sint32, sint64, bool, enum
+1 I64 fixed64, sfixed64, double
+2 LEN string, bytes, embedded messages, packed repeated fields
+5 I32 fixed32, sfixed32, float
+
+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:
+    def __init__(self, init_all: bool = True, **kwargs):
+        for key, value in kwargs.items():
+            found_field: bool = False
+            for field_num, v in self._map.items():
+                field_name, wire_type, field_type = v
+                if field_name == key:
+                    setattr(self, field_name, value)
+                    found_field = True
+                    break
+            if found_field is False:
+                raise ValueError(f"got an unexpected keyword argument '{key}'")
+
+        if init_all:
+            self.init_fields()
+
+    def init_fields(self) -> None:
+        # Set default values for missing fields
+        for field_num, v in self._map.items():
+            field_name, wire_type, field_type = v
+            if hasattr(self, field_name):
+                continue
+            if wire_type == 0:
+                setattr(self, field_name, 0)
+            elif wire_type == 2:
+                if field_type == 1:
+                    setattr(self, field_name, str())
+                else:
+                    setattr(self, field_name, bytes())
+            else:
+                raise ValueError(f"Unknown wire_type {wire_type}")
+
+    def to_bytes(self) -> bytes:
+        rv = bytes()
+
+        for field_num, v in self._map.items():
+            field_name, wire_type, field_type = v
+            if not hasattr(self, field_name):
+                continue
+            field_value = getattr(self, field_name)
+            tag = (field_num << 3) | wire_type
+            if wire_type == 0:
+                if field_value == 0:
+                    continue
+                rv += encode_varint(tag)
+                rv += encode_varint(field_value)
+            elif wire_type == 2:
+                if len(field_value) == 0:
+                    continue
+                rv += encode_varint(tag)
+                if isinstance(field_value, str):
+                    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}")
+        return rv
+
+    def from_bytes(self, b: bytes, init_all: bool = True) -> None:
+        max_len: int = len(b)
+        o: int = 0
+        while o < max_len:
+            tag, lv = decode_varint(b, o)
+            o += lv
+            wire_type = tag & 7
+            field_num = tag >> 3
+
+            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}"
+                )
+
+            if wire_type == 0:
+                field_value, lv = decode_varint(b, o)
+                o += lv
+            elif wire_type == 2:
+                field_len, lv = decode_varint(b, o)
+                o += lv
+                field_value = b[o : o + field_len]
+                o += field_len
+                if field_type == 1:
+                    field_value = field_value.decode("utf-8")
+            else:
+                raise ValueError(f"Unknown wire_type {wire_type}")
+
+            setattr(self, field_name, field_value)
+
+        if init_all:
+            self.init_fields()
+
+
+class OfferMessage(NonProtobufClass):
+    _map = {
+        1: ("protocol_version", 0, 0),
+        2: ("coin_from", 0, 0),
+        3: ("coin_to", 0, 0),
+        4: ("amount_from", 0, 0),
+        5: ("amount_to", 0, 0),
+        6: ("min_bid_amount", 0, 0),
+        7: ("time_valid", 0, 0),
+        8: ("lock_type", 0, 0),
+        9: ("lock_value", 0, 0),
+        10: ("swap_type", 0, 0),
+        11: ("proof_address", 2, 1),
+        12: ("proof_signature", 2, 1),
+        13: ("pkhash_seller", 2, 0),
+        14: ("secret_hash", 2, 0),
+        15: ("fee_rate_from", 0, 0),
+        16: ("fee_rate_to", 0, 0),
+        17: ("amount_negotiable", 0, 2),
+        18: ("rate_negotiable", 0, 2),
+        19: ("proof_utxos", 2, 0),
+        20: ("auto_accept_type", 0, 0),
+    }
+
+
+class BidMessage(NonProtobufClass):
+    _map = {
+        1: ("protocol_version", 0, 0),
+        2: ("offer_msg_id", 2, 0),
+        3: ("time_valid", 0, 0),
+        4: ("amount", 0, 0),
+        5: ("amount_to", 0, 0),
+        6: ("pkhash_buyer", 2, 0),
+        7: ("proof_address", 2, 1),
+        8: ("proof_signature", 2, 1),
+        9: ("proof_utxos", 2, 0),
+        10: ("pkhash_buyer_to", 2, 0),
+    }
+
+
+class BidAcceptMessage(NonProtobufClass):
+    # Step 3, seller -> buyer
+    _map = {
+        1: ("bid_msg_id", 2, 0),
+        2: ("initiate_txid", 2, 0),
+        3: ("contract_script", 2, 0),
+        4: ("pkhash_seller", 2, 0),
+    }
+
+
+class OfferRevokeMessage(NonProtobufClass):
+    _map = {
+        1: ("offer_msg_id", 2, 0),
+        2: ("signature", 2, 0),
+    }
+
+
+class BidRejectMessage(NonProtobufClass):
+    _map = {
+        1: ("bid_msg_id", 2, 0),
+        2: ("reject_code", 0, 0),
+    }
+
+
+class XmrBidMessage(NonProtobufClass):
+    # MSG1L, F -> L
+    _map = {
+        1: ("protocol_version", 0, 0),
+        2: ("offer_msg_id", 2, 0),
+        3: ("time_valid", 0, 0),
+        4: ("amount", 0, 0),
+        5: ("amount_to", 0, 0),
+        6: ("pkaf", 2, 0),
+        7: ("kbvf", 2, 0),
+        8: ("kbsf_dleag", 2, 0),
+        9: ("dest_af", 2, 0),
+    }
+
+
+class XmrSplitMessage(NonProtobufClass):
+    _map = {
+        1: ("msg_id", 2, 0),
+        2: ("msg_type", 0, 0),
+        3: ("sequence", 0, 0),
+        4: ("dleag", 2, 0),
+    }
+
+
+class XmrBidAcceptMessage(NonProtobufClass):
+    _map = {
+        1: ("bid_msg_id", 2, 0),
+        2: ("pkal", 2, 0),
+        3: ("kbvl", 2, 0),
+        4: ("kbsl_dleag", 2, 0),
+        # MSG2F
+        5: ("a_lock_tx", 2, 0),
+        6: ("a_lock_tx_script", 2, 0),
+        7: ("a_lock_refund_tx", 2, 0),
+        8: ("a_lock_refund_tx_script", 2, 0),
+        9: ("a_lock_refund_spend_tx", 2, 0),
+        10: ("al_lock_refund_tx_sig", 2, 0),
+    }
+
+
+class XmrBidLockTxSigsMessage(NonProtobufClass):
+    # MSG3L
+    _map = {
+        1: ("bid_msg_id", 2, 0),
+        2: ("af_lock_refund_spend_tx_esig", 2, 0),
+        3: ("af_lock_refund_tx_sig", 2, 0),
+    }
+
+
+class XmrBidLockSpendTxMessage(NonProtobufClass):
+    # MSG4F
+    _map = {
+        1: ("bid_msg_id", 2, 0),
+        2: ("a_lock_spend_tx", 2, 0),
+        3: ("kal_sig", 2, 0),
+    }
+
+
+class XmrBidLockReleaseMessage(NonProtobufClass):
+    # MSG5F
+    _map = {
+        1: ("bid_msg_id", 2, 0),
+        2: ("al_lock_spend_tx_esig", 2, 0),
+    }
+
+
+class ADSBidIntentMessage(NonProtobufClass):
+    # L -> F Sent from bidder, construct a reverse bid
+    _map = {
+        1: ("protocol_version", 0, 0),
+        2: ("offer_msg_id", 2, 0),
+        3: ("time_valid", 0, 0),
+        4: ("amount_from", 0, 0),
+        5: ("amount_to", 0, 0),
+    }
+
+
+class ADSBidIntentAcceptMessage(NonProtobufClass):
+    # F -> L Sent from offerer, construct a reverse bid
+    _map = {
+        1: ("bid_msg_id", 2, 0),
+        2: ("pkaf", 2, 0),
+        3: ("kbvf", 2, 0),
+        4: ("kbsf_dleag", 2, 0),
+        5: ("dest_af", 2, 0),
+    }

basicswap/messages_pb2.py

@@ -1,54 +0,0 @@
-# -*- coding: utf-8 -*-
-# Generated by the protocol buffer compiler.  DO NOT EDIT!
-# source: messages.proto
-# Protobuf Python Version: 4.25.3
-"""Generated protocol buffer code."""
-from google.protobuf import descriptor as _descriptor
-from google.protobuf import descriptor_pool as _descriptor_pool
-from google.protobuf import symbol_database as _symbol_database
-from google.protobuf.internal import builder as _builder
-# @@protoc_insertion_point(imports)
-
-_sym_db = _symbol_database.Default()
-
-
-
-
-DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\x0emessages.proto\x12\tbasicswap\"\xc0\x04\n\x0cOfferMessage\x12\x18\n\x10protocol_version\x18\x01 \x01(\r\x12\x11\n\tcoin_from\x18\x02 \x01(\r\x12\x0f\n\x07\x63oin_to\x18\x03 \x01(\r\x12\x13\n\x0b\x61mount_from\x18\x04 \x01(\x04\x12\x11\n\tamount_to\x18\x05 \x01(\x04\x12\x16\n\x0emin_bid_amount\x18\x06 \x01(\x04\x12\x12\n\ntime_valid\x18\x07 \x01(\x04\x12\x33\n\tlock_type\x18\x08 \x01(\x0e\x32 .basicswap.OfferMessage.LockType\x12\x12\n\nlock_value\x18\t \x01(\r\x12\x11\n\tswap_type\x18\n \x01(\r\x12\x15\n\rproof_address\x18\x0b \x01(\t\x12\x17\n\x0fproof_signature\x18\x0c \x01(\t\x12\x15\n\rpkhash_seller\x18\r \x01(\x0c\x12\x13\n\x0bsecret_hash\x18\x0e \x01(\x0c\x12\x15\n\rfee_rate_from\x18\x0f \x01(\x04\x12\x13\n\x0b\x66\x65\x65_rate_to\x18\x10 \x01(\x04\x12\x19\n\x11\x61mount_negotiable\x18\x11 \x01(\x08\x12\x17\n\x0frate_negotiable\x18\x12 \x01(\x08\x12\x13\n\x0bproof_utxos\x18\x13 \x01(\x0c\"q\n\x08LockType\x12\x0b\n\x07NOT_SET\x10\x00\x12\x18\n\x14SEQUENCE_LOCK_BLOCKS\x10\x01\x12\x16\n\x12SEQUENCE_LOCK_TIME\x10\x02\x12\x13\n\x0f\x41\x42S_LOCK_BLOCKS\x10\x03\x12\x11\n\rABS_LOCK_TIME\x10\x04\"\xce\x01\n\nBidMessage\x12\x18\n\x10protocol_version\x18\x01 \x01(\r\x12\x14\n\x0coffer_msg_id\x18\x02 \x01(\x0c\x12\x12\n\ntime_valid\x18\x03 \x01(\x04\x12\x0e\n\x06\x61mount\x18\x04 \x01(\x04\x12\x11\n\tamount_to\x18\x05 \x01(\x04\x12\x14\n\x0cpkhash_buyer\x18\x06 \x01(\x0c\x12\x15\n\rproof_address\x18\x07 \x01(\t\x12\x17\n\x0fproof_signature\x18\x08 \x01(\t\x12\x13\n\x0bproof_utxos\x18\t \x01(\x0c\"s\n\x0f\x42idMessage_test\x12\x18\n\x10protocol_version\x18\x01 \x01(\r\x12\x14\n\x0coffer_msg_id\x18\x02 \x01(\x0c\x12\x12\n\ntime_valid\x18\x03 \x01(\x04\x12\x0e\n\x06\x61mount\x18\x04 \x01(\x04\x12\x0c\n\x04rate\x18\x05 \x01(\x04\"V\n\x10\x42idAcceptMessage\x12\x12\n\nbid_msg_id\x18\x01 \x01(\x0c\x12\x15\n\rinitiate_txid\x18\x02 \x01(\x0c\x12\x17\n\x0f\x63ontract_script\x18\x03 \x01(\x0c\"=\n\x12OfferRevokeMessage\x12\x14\n\x0coffer_msg_id\x18\x01 \x01(\x0c\x12\x11\n\tsignature\x18\x02 \x01(\x0c\";\n\x10\x42idRejectMessage\x12\x12\n\nbid_msg_id\x18\x01 \x01(\x0c\x12\x13\n\x0breject_code\x18\x02 \x01(\r\"\xb7\x01\n\rXmrBidMessage\x12\x18\n\x10protocol_version\x18\x01 \x01(\r\x12\x14\n\x0coffer_msg_id\x18\x02 \x01(\x0c\x12\x12\n\ntime_valid\x18\x03 \x01(\x04\x12\x0e\n\x06\x61mount\x18\x04 \x01(\x04\x12\x11\n\tamount_to\x18\x05 \x01(\x04\x12\x0c\n\x04pkaf\x18\x06 \x01(\x0c\x12\x0c\n\x04kbvf\x18\x07 \x01(\x0c\x12\x12\n\nkbsf_dleag\x18\x08 \x01(\x0c\x12\x0f\n\x07\x64\x65st_af\x18\t \x01(\x0c\"T\n\x0fXmrSplitMessage\x12\x0e\n\x06msg_id\x18\x01 \x01(\x0c\x12\x10\n\x08msg_type\x18\x02 \x01(\r\x12\x10\n\x08sequence\x18\x03 \x01(\r\x12\r\n\x05\x64leag\x18\x04 \x01(\x0c\"\x80\x02\n\x13XmrBidAcceptMessage\x12\x12\n\nbid_msg_id\x18\x01 \x01(\x0c\x12\x0c\n\x04pkal\x18\x02 \x01(\x0c\x12\x0c\n\x04kbvl\x18\x03 \x01(\x0c\x12\x12\n\nkbsl_dleag\x18\x04 \x01(\x0c\x12\x11\n\ta_lock_tx\x18\x05 \x01(\x0c\x12\x18\n\x10\x61_lock_tx_script\x18\x06 \x01(\x0c\x12\x18\n\x10\x61_lock_refund_tx\x18\x07 \x01(\x0c\x12\x1f\n\x17\x61_lock_refund_tx_script\x18\x08 \x01(\x0c\x12\x1e\n\x16\x61_lock_refund_spend_tx\x18\t \x01(\x0c\x12\x1d\n\x15\x61l_lock_refund_tx_sig\x18\n \x01(\x0c\"r\n\x17XmrBidLockTxSigsMessage\x12\x12\n\nbid_msg_id\x18\x01 \x01(\x0c\x12$\n\x1c\x61\x66_lock_refund_spend_tx_esig\x18\x02 \x01(\x0c\x12\x1d\n\x15\x61\x66_lock_refund_tx_sig\x18\x03 \x01(\x0c\"X\n\x18XmrBidLockSpendTxMessage\x12\x12\n\nbid_msg_id\x18\x01 \x01(\x0c\x12\x17\n\x0f\x61_lock_spend_tx\x18\x02 \x01(\x0c\x12\x0f\n\x07kal_sig\x18\x03 \x01(\x0c\"M\n\x18XmrBidLockReleaseMessage\x12\x12\n\nbid_msg_id\x18\x01 \x01(\x0c\x12\x1d\n\x15\x61l_lock_spend_tx_esig\x18\x02 \x01(\x0c\"\x81\x01\n\x13\x41\x44SBidIntentMessage\x12\x18\n\x10protocol_version\x18\x01 \x01(\r\x12\x14\n\x0coffer_msg_id\x18\x02 \x01(\x0c\x12\x12\n\ntime_valid\x18\x03 \x01(\x04\x12\x13\n\x0b\x61mount_from\x18\x04 \x01(\x04\x12\x11\n\tamount_to\x18\x05 \x01(\x04\"p\n\x19\x41\x44SBidIntentAcceptMessage\x12\x12\n\nbid_msg_id\x18\x01 \x01(\x0c\x12\x0c\n\x04pkaf\x18\x02 \x01(\x0c\x12\x0c\n\x04kbvf\x18\x03 \x01(\x0c\x12\x12\n\nkbsf_dleag\x18\x04 \x01(\x0c\x12\x0f\n\x07\x64\x65st_af\x18\x05 \x01(\x0c\x62\x06proto3')
-
-_globals = globals()
-_builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, _globals)
-_builder.BuildTopDescriptorsAndMessages(DESCRIPTOR, 'messages_pb2', _globals)
-if _descriptor._USE_C_DESCRIPTORS == False:
-  DESCRIPTOR._options = None
-  _globals['_OFFERMESSAGE']._serialized_start=30
-  _globals['_OFFERMESSAGE']._serialized_end=606
-  _globals['_OFFERMESSAGE_LOCKTYPE']._serialized_start=493
-  _globals['_OFFERMESSAGE_LOCKTYPE']._serialized_end=606
-  _globals['_BIDMESSAGE']._serialized_start=609
-  _globals['_BIDMESSAGE']._serialized_end=815
-  _globals['_BIDMESSAGE_TEST']._serialized_start=817
-  _globals['_BIDMESSAGE_TEST']._serialized_end=932
-  _globals['_BIDACCEPTMESSAGE']._serialized_start=934
-  _globals['_BIDACCEPTMESSAGE']._serialized_end=1020
-  _globals['_OFFERREVOKEMESSAGE']._serialized_start=1022
-  _globals['_OFFERREVOKEMESSAGE']._serialized_end=1083
-  _globals['_BIDREJECTMESSAGE']._serialized_start=1085
-  _globals['_BIDREJECTMESSAGE']._serialized_end=1144
-  _globals['_XMRBIDMESSAGE']._serialized_start=1147
-  _globals['_XMRBIDMESSAGE']._serialized_end=1330
-  _globals['_XMRSPLITMESSAGE']._serialized_start=1332
-  _globals['_XMRSPLITMESSAGE']._serialized_end=1416
-  _globals['_XMRBIDACCEPTMESSAGE']._serialized_start=1419
-  _globals['_XMRBIDACCEPTMESSAGE']._serialized_end=1675
-  _globals['_XMRBIDLOCKTXSIGSMESSAGE']._serialized_start=1677
-  _globals['_XMRBIDLOCKTXSIGSMESSAGE']._serialized_end=1791
-  _globals['_XMRBIDLOCKSPENDTXMESSAGE']._serialized_start=1793
-  _globals['_XMRBIDLOCKSPENDTXMESSAGE']._serialized_end=1881
-  _globals['_XMRBIDLOCKRELEASEMESSAGE']._serialized_start=1883
-  _globals['_XMRBIDLOCKRELEASEMESSAGE']._serialized_end=1960
-  _globals['_ADSBIDINTENTMESSAGE']._serialized_start=1963
-  _globals['_ADSBIDINTENTMESSAGE']._serialized_end=2092
-  _globals['_ADSBIDINTENTACCEPTMESSAGE']._serialized_start=2094
-  _globals['_ADSBIDINTENTACCEPTMESSAGE']._serialized_end=2206
-# @@protoc_insertion_point(module_scope)

basicswap/network/network.py

@@ -5,19 +5,19 @@
 # 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 ]
+"""
+Message 2 bytes msg_class, 4 bytes length, [ 2 bytes msg_type, payload ]
 
-    Handshake procedure:
-        node0 connecting to node1
-        node0 send_handshake
-        node1 process_handshake
-        node1 send_ping  - With a version field
-        node0 recv_ping
-            Both nodes are initialised
+Handshake procedure:
+    node0 connecting to node1
+    node0 send_handshake
+    node1 process_handshake
+    node1 send_ping  - With a version field
+    node0 recv_ping
+        Both nodes are initialised
 
-    XChaCha20_Poly1305 mac is 16bytes
-'''
+XChaCha20_Poly1305 mac is 16bytes
+"""
 
 import time
 import queue
@@ -36,11 +36,12 @@ from Crypto.Cipher import ChaCha20_Poly1305  # TODO: Add to libsecp256k1/coincur
 from coincurve.keys import PrivateKey, PublicKey
 from basicswap.contrib.rfc6979 import (
     rfc6979_hmac_sha256_initialize,
-    rfc6979_hmac_sha256_generate)
+    rfc6979_hmac_sha256_generate,
+)
 
 
-START_TOKEN = 0xabcd
-MSG_START_TOKEN = START_TOKEN.to_bytes(2, 'big')
+START_TOKEN = 0xABCD
+MSG_START_TOKEN = START_TOKEN.to_bytes(2, "big")
 
 MSG_MAX_SIZE = 0x200000  # 2MB
 
@@ -63,49 +64,71 @@ class NetMessageTypes(IntEnum):
         return value in cls._value2member_map_
 
 
-'''
+"""
 class NetMessage:
     def __init__(self):
         self._msg_class = None  # 2 bytes
         self._len = None # 4 bytes
         self._msg_type = None  # 2 bytes
-'''
+"""
 
 
 # Ensure handshake keys are not reused by including the time in the msg, mac and key hash
 # Verify timestamp is not too old
 # Add keys to db to catch concurrent attempts, records can be cleared periodically, the timestamp should catch older replay attempts
 class MsgHandshake:
-    __slots__ = ('_timestamp', '_ephem_pk', '_ct', '_mac')
+    __slots__ = ("_timestamp", "_ephem_pk", "_ct", "_mac")
 
     def __init__(self):
         pass
 
     def encode_aad(self):  # Additional Authenticated Data
-        return int(NetMessageTypes.HANDSHAKE).to_bytes(2, 'big') + \
-            self._timestamp.to_bytes(8, 'big') + \
-            self._ephem_pk
+        return (
+            int(NetMessageTypes.HANDSHAKE).to_bytes(2, "big")
+            + self._timestamp.to_bytes(8, "big")
+            + self._ephem_pk
+        )
 
     def encode(self):
         return self.encode_aad() + self._ct + self._mac
 
     def decode(self, msg_mv):
         o = 2
-        self._timestamp = int.from_bytes(msg_mv[o: o + 8], 'big')
+        self._timestamp = int.from_bytes(msg_mv[o : o + 8], "big")
         o += 8
-        self._ephem_pk = bytes(msg_mv[o: o + 33])
+        self._ephem_pk = bytes(msg_mv[o : o + 33])
         o += 33
-        self._ct = bytes(msg_mv[o: -16])
+        self._ct = bytes(msg_mv[o:-16])
         self._mac = bytes(msg_mv[-16:])
 
 
 class Peer:
     __slots__ = (
-        '_mx', '_pubkey', '_address', '_socket', '_version', '_ready', '_incoming',
-        '_connected_at', '_last_received_at', '_bytes_sent', '_bytes_received',
-        '_receiving_length', '_receiving_buffer', '_recv_messages', '_misbehaving_score',
-        '_ke', '_km', '_dir', '_sent_nonce', '_recv_nonce', '_last_handshake_at',
-        '_ping_nonce', '_last_ping_at', '_last_ping_rtt')
+        "_mx",
+        "_pubkey",
+        "_address",
+        "_socket",
+        "_version",
+        "_ready",
+        "_incoming",
+        "_connected_at",
+        "_last_received_at",
+        "_bytes_sent",
+        "_bytes_received",
+        "_receiving_length",
+        "_receiving_buffer",
+        "_recv_messages",
+        "_misbehaving_score",
+        "_ke",
+        "_km",
+        "_dir",
+        "_sent_nonce",
+        "_recv_nonce",
+        "_last_handshake_at",
+        "_ping_nonce",
+        "_last_ping_at",
+        "_last_ping_rtt",
+    )
 
     def __init__(self, address, socket, pubkey):
         self._mx = threading.Lock()
@@ -141,14 +164,16 @@ def listen_thread(cls):
     max_bytes = 0x10000
     while cls._running:
         # logging.info('[rm] network loop %d', cls._running)
-        readable, writable, errored = select.select(cls._read_sockets, cls._write_sockets, cls._error_sockets, timeout)
+        readable, writable, errored = select.select(
+            cls._read_sockets, cls._write_sockets, cls._error_sockets, timeout
+        )
         cls._mx.acquire()
         try:
             disconnected_peers = []
             for s in readable:
                 if s == cls._socket:
                     peer_socket, address = cls._socket.accept()
-                    logging.info('Connection from %s', address)
+                    logging.info("Connection from %s", address)
                     new_peer = Peer(address, peer_socket, None)
                     new_peer._incoming = True
                     cls._peers.append(new_peer)
@@ -160,12 +185,12 @@ def listen_thread(cls):
                             try:
                                 bytes_recv = s.recv(max_bytes, socket.MSG_DONTWAIT)
                             except socket.error as se:
-                                if se.args[0] not in (socket.EWOULDBLOCK, ):
-                                    logging.error('Receive error %s', str(se))
+                                if se.args[0] not in (socket.EWOULDBLOCK,):
+                                    logging.error("Receive error %s", str(se))
                                     disconnected_peers.append(peer)
                                     continue
                             except Exception as e:
-                                logging.error('Receive error %s', str(e))
+                                logging.error("Receive error %s", str(e))
                                 disconnected_peers.append(peer)
                                 continue
 
@@ -175,7 +200,7 @@ def listen_thread(cls):
                             cls.receive_bytes(peer, bytes_recv)
 
             for s in errored:
-                logging.warning('Socket error')
+                logging.warning("Socket error")
 
             for peer in disconnected_peers:
                 cls.disconnect(peer)
@@ -193,7 +218,9 @@ def msg_thread(cls):
                 try:
                     now_us = time.time_ns() // 1000
                     if peer._ready is True:
-                        if now_us - peer._last_ping_at >= 5000000:  # 5 seconds  TODO: Make variable
+                        if (
+                            now_us - peer._last_ping_at >= 5000000
+                        ):  # 5 seconds  TODO: Make variable
                             cls.send_ping(peer)
                     msg = peer._recv_messages.get(False)
                     cls.process_message(peer, msg)
@@ -201,7 +228,7 @@ def msg_thread(cls):
                 except queue.Empty:
                     pass
                 except Exception as e:
-                    logging.warning('process message error %s', str(e))
+                    logging.warning("process message error %s", str(e))
                     if cls._sc.debug:
                         logging.error(traceback.format_exc())
 
@@ -211,9 +238,24 @@ def msg_thread(cls):
 
 class Network:
     __slots__ = (
-        '_p2p_host', '_p2p_port', '_network_key', '_network_pubkey',
-        '_sc', '_peers', '_max_connections', '_running', '_network_thread', '_msg_thread',
-        '_mx', '_socket', '_read_sockets', '_write_sockets', '_error_sockets', '_csprng', '_seen_ephem_keys')
+        "_p2p_host",
+        "_p2p_port",
+        "_network_key",
+        "_network_pubkey",
+        "_sc",
+        "_peers",
+        "_max_connections",
+        "_running",
+        "_network_thread",
+        "_msg_thread",
+        "_mx",
+        "_socket",
+        "_read_sockets",
+        "_write_sockets",
+        "_error_sockets",
+        "_csprng",
+        "_seen_ephem_keys",
+    )
 
     def __init__(self, p2p_host, p2p_port, network_key, swap_client):
         self._p2p_host = p2p_host
@@ -278,7 +320,13 @@ class Network:
             self._mx.release()
 
     def add_connection(self, host, port, peer_pubkey):
-        self._sc.log.info('Connecting from %s to %s at %s %d', self._network_pubkey.hex(), peer_pubkey.hex(), host, port)
+        self._sc.log.info(
+            "Connecting from %s to %s at %s %d",
+            self._network_pubkey.hex(),
+            peer_pubkey.hex(),
+            host,
+            port,
+        )
         self._mx.acquire()
         try:
             address = (host, port)
@@ -294,7 +342,7 @@ class Network:
         self.send_handshake(peer)
 
     def disconnect(self, peer):
-        self._sc.log.info('Closing peer socket %s', peer._address)
+        self._sc.log.info("Closing peer socket %s", peer._address)
         self._read_sockets.pop(self._read_sockets.index(peer._socket))
         self._error_sockets.pop(self._error_sockets.index(peer._socket))
         peer.close()
@@ -305,7 +353,11 @@ class Network:
 
         used = self._seen_ephem_keys.get(ephem_pk)
         if used:
-            raise ValueError('Handshake ephem_pk reused %s peer %s', 'for' if direction == 1 else 'by', used[0])
+            raise ValueError(
+                "Handshake ephem_pk reused %s peer %s",
+                "for" if direction == 1 else "by",
+                used[0],
+            )
 
         self._seen_ephem_keys[ephem_pk] = (peer._address, timestamp)
 
@@ -313,12 +365,14 @@ class Network:
             self._seen_ephem_keys.popitem(last=False)
 
     def send_handshake(self, peer):
-        self._sc.log.debug('send_handshake %s', peer._address)
+        self._sc.log.debug("send_handshake %s", peer._address)
         peer._mx.acquire()
         try:
             # TODO: Drain peer._recv_messages
             if not peer._recv_messages.empty():
-                self._sc.log.warning('send_handshake %s - Receive queue dumped.', peer._address)
+                self._sc.log.warning(
+                    "send_handshake %s - Receive queue dumped.", peer._address
+                )
                 while not peer._recv_messages.empty():
                     peer._recv_messages.get(False)
 
@@ -332,7 +386,7 @@ class Network:
 
             ss = k.ecdh(peer._pubkey)
 
-            hashed = hashlib.sha512(ss + msg._timestamp.to_bytes(8, 'big')).digest()
+            hashed = hashlib.sha512(ss + msg._timestamp.to_bytes(8, "big")).digest()
             peer._ke = hashed[:32]
             peer._km = hashed[32:]
 
@@ -361,11 +415,13 @@ class Network:
             peer._mx.release()
 
     def process_handshake(self, peer, msg_mv):
-        self._sc.log.debug('process_handshake %s', peer._address)
+        self._sc.log.debug("process_handshake %s", peer._address)
 
         # TODO: Drain peer._recv_messages
         if not peer._recv_messages.empty():
-            self._sc.log.warning('process_handshake %s - Receive queue dumped.', peer._address)
+            self._sc.log.warning(
+                "process_handshake %s - Receive queue dumped.", peer._address
+            )
             while not peer._recv_messages.empty():
                 peer._recv_messages.get(False)
 
@@ -375,17 +431,19 @@ class Network:
         try:
             now = int(time.time())
             if now - peer._last_handshake_at < 30:
-                raise ValueError('Too many handshakes from peer %s', peer._address)
+                raise ValueError("Too many handshakes from peer %s", peer._address)
 
             if abs(msg._timestamp - now) > TIMESTAMP_LEEWAY:
-                raise ValueError('Bad handshake timestamp from peer %s', peer._address)
+                raise ValueError("Bad handshake timestamp from peer %s", peer._address)
 
-            self.check_handshake_ephem_key(peer, msg._timestamp, msg._ephem_pk, direction=2)
+            self.check_handshake_ephem_key(
+                peer, msg._timestamp, msg._ephem_pk, direction=2
+            )
 
             nk = PrivateKey(self._network_key)
             ss = nk.ecdh(msg._ephem_pk)
 
-            hashed = hashlib.sha512(ss + msg._timestamp.to_bytes(8, 'big')).digest()
+            hashed = hashlib.sha512(ss + msg._timestamp.to_bytes(8, "big")).digest()
             peer._ke = hashed[:32]
             peer._km = hashed[32:]
 
@@ -395,7 +453,9 @@ class Network:
             aad += nonce
             cipher = ChaCha20_Poly1305.new(key=peer._ke, nonce=nonce)
             cipher.update(aad)
-            plaintext = cipher.decrypt_and_verify(msg._ct, msg._mac)  # Will raise error if mac doesn't match
+            plaintext = cipher.decrypt_and_verify(
+                msg._ct, msg._mac
+            )  # Will raise error if mac doesn't match
 
             peer._version = plaintext[:6]
             sig = plaintext[6:]
@@ -414,26 +474,30 @@ class Network:
 
         except Exception as e:
             # TODO: misbehaving
-            self._sc.log.debug('[rm] process_handshake %s', str(e))
+            self._sc.log.debug("[rm] process_handshake %s", str(e))
 
     def process_ping(self, peer, msg_mv):
         nonce = peer._recv_nonce[:24]
 
         cipher = ChaCha20_Poly1305.new(key=peer._ke, nonce=nonce)
-        cipher.update(msg_mv[0: 2])
+        cipher.update(msg_mv[0:2])
         cipher.update(nonce)
 
         mac = msg_mv[-16:]
-        plaintext = cipher.decrypt_and_verify(msg_mv[2: -16], mac)
+        plaintext = cipher.decrypt_and_verify(msg_mv[2:-16], mac)
 
-        ping_nonce = int.from_bytes(plaintext[:4], 'big')
+        ping_nonce = int.from_bytes(plaintext[:4], "big")
         # Version is added to a ping following a handshake message
         if len(plaintext) >= 10:
             peer._ready = True
-            version = plaintext[4: 10]
+            version = plaintext[4:10]
             if peer._version is None:
                 peer._version = version
-                self._sc.log.debug('Set version from ping %s, %s', peer._pubkey.hex(), peer._version.hex())
+                self._sc.log.debug(
+                    "Set version from ping %s, %s",
+                    peer._pubkey.hex(),
+                    peer._version.hex(),
+                )
 
         peer._recv_nonce = hashlib.sha256(nonce + mac).digest()
 
@@ -443,32 +507,32 @@ class Network:
         nonce = peer._recv_nonce[:24]
 
         cipher = ChaCha20_Poly1305.new(key=peer._ke, nonce=nonce)
-        cipher.update(msg_mv[0: 2])
+        cipher.update(msg_mv[0:2])
         cipher.update(nonce)
 
         mac = msg_mv[-16:]
-        plaintext = cipher.decrypt_and_verify(msg_mv[2: -16], mac)
+        plaintext = cipher.decrypt_and_verify(msg_mv[2:-16], mac)
 
-        pong_nonce = int.from_bytes(plaintext[:4], 'big')
+        pong_nonce = int.from_bytes(plaintext[:4], "big")
 
         if pong_nonce == peer._ping_nonce:
             peer._last_ping_rtt = (time.time_ns() // 1000) - peer._last_ping_at
         else:
-            self._sc.log.debug('Pong received out of order %s', peer._address)
+            self._sc.log.debug("Pong received out of order %s", peer._address)
 
         peer._recv_nonce = hashlib.sha256(nonce + mac).digest()
 
     def send_ping(self, peer):
         ping_nonce = random.getrandbits(32)
 
-        msg_bytes = int(NetMessageTypes.PING).to_bytes(2, 'big')
+        msg_bytes = int(NetMessageTypes.PING).to_bytes(2, "big")
         nonce = peer._sent_nonce[:24]
 
         cipher = ChaCha20_Poly1305.new(key=peer._ke, nonce=nonce)
         cipher.update(msg_bytes)
         cipher.update(nonce)
 
-        payload = ping_nonce.to_bytes(4, 'big')
+        payload = ping_nonce.to_bytes(4, "big")
         if peer._last_ping_at == 0:
             payload += self._sc._version
         ct, mac = cipher.encrypt_and_digest(payload)
@@ -483,14 +547,14 @@ class Network:
         self.send_msg(peer, msg_bytes)
 
     def send_pong(self, peer, ping_nonce):
-        msg_bytes = int(NetMessageTypes.PONG).to_bytes(2, 'big')
+        msg_bytes = int(NetMessageTypes.PONG).to_bytes(2, "big")
         nonce = peer._sent_nonce[:24]
 
         cipher = ChaCha20_Poly1305.new(key=peer._ke, nonce=nonce)
         cipher.update(msg_bytes)
         cipher.update(nonce)
 
-        payload = ping_nonce.to_bytes(4, 'big')
+        payload = ping_nonce.to_bytes(4, "big")
         ct, mac = cipher.encrypt_and_digest(payload)
         msg_bytes += ct + mac
 
@@ -502,19 +566,21 @@ class Network:
         msg_encoded = msg if isinstance(msg, bytes) else msg.encode()
         len_encoded = len(msg_encoded)
 
-        msg_packed = bytearray(MSG_START_TOKEN) + len_encoded.to_bytes(4, 'big') + msg_encoded
+        msg_packed = (
+            bytearray(MSG_START_TOKEN) + len_encoded.to_bytes(4, "big") + msg_encoded
+        )
         peer._socket.sendall(msg_packed)
 
         peer._bytes_sent += len_encoded
 
     def process_message(self, peer, msg_bytes):
-        logging.info('[rm] process_message %s len %d', peer._address, len(msg_bytes))
+        logging.info("[rm] process_message %s len %d", peer._address, len(msg_bytes))
 
         peer._mx.acquire()
         try:
             mv = memoryview(msg_bytes)
             o = 0
-            msg_type = int.from_bytes(mv[o: o + 2], 'big')
+            msg_type = int.from_bytes(mv[o : o + 2], "big")
             if msg_type == NetMessageTypes.HANDSHAKE:
                 self.process_handshake(peer, mv)
             elif msg_type == NetMessageTypes.PING:
@@ -522,7 +588,7 @@ class Network:
             elif msg_type == NetMessageTypes.PONG:
                 self.process_pong(peer, mv)
             else:
-                self._sc.log.debug('Unknown message type %d', msg_type)
+                self._sc.log.debug("Unknown message type %d", msg_type)
         finally:
             peer._mx.release()
 
@@ -533,7 +599,6 @@ class Network:
         peer._last_received_at = time.time()
         peer._bytes_received += len_received
 
-        invalid_msg = False
         mv = memoryview(bytes_recv)
 
         o = 0
@@ -541,34 +606,34 @@ class Network:
             while o < len_received:
                 if peer._receiving_length == 0:
                     if len(bytes_recv) < MSG_HEADER_LEN:
-                        raise ValueError('Msg too short')
+                        raise ValueError("Msg too short")
 
-                    if mv[o: o + 2] != MSG_START_TOKEN:
-                        raise ValueError('Invalid start token')
+                    if mv[o : o + 2] != MSG_START_TOKEN:
+                        raise ValueError("Invalid start token")
                     o += 2
 
-                    msg_len = int.from_bytes(mv[o: o + 4], 'big')
+                    msg_len = int.from_bytes(mv[o : o + 4], "big")
                     o += 4
                     if msg_len < 2 or msg_len > MSG_MAX_SIZE:
-                        raise ValueError('Invalid data length')
+                        raise ValueError("Invalid data length")
 
                     # Precheck msg_type
-                    msg_type = int.from_bytes(mv[o: o + 2], 'big')
+                    msg_type = int.from_bytes(mv[o : o + 2], "big")
                     # o += 2  # Don't inc offset, msg includes type
                     if not NetMessageTypes.has_value(msg_type):
-                        raise ValueError('Invalid msg type')
+                        raise ValueError("Invalid msg type")
 
                     peer._receiving_length = msg_len
-                    len_pkt = (len_received - o)
+                    len_pkt = len_received - o
                     nc = msg_len if len_pkt > msg_len else len_pkt
 
-                    peer._receiving_buffer = mv[o: o + nc]
+                    peer._receiving_buffer = mv[o : o + nc]
                     o += nc
                 else:
                     len_to_go = peer._receiving_length - len(peer._receiving_buffer)
-                    len_pkt = (len_received - o)
+                    len_pkt = len_received - o
                     nc = len_to_go if len_pkt > len_to_go else len_pkt
-                    peer._receiving_buffer = mv[o: o + nc]
+                    peer._receiving_buffer = mv[o : o + nc]
                     o += nc
                 if len(peer._receiving_buffer) == peer._receiving_length:
                     peer._recv_messages.put(peer._receiving_buffer)
@@ -576,11 +641,13 @@ class Network:
 
         except Exception as e:
             if self._sc.debug:
-                self._sc.log.error('Invalid message received from %s %s', peer._address, str(e))
+                self._sc.log.error(
+                    "Invalid message received from %s %s", peer._address, str(e)
+                )
             # TODO: misbehaving
 
     def test_onion(self, path):
-        self._sc.log.debug('test_onion packet')
+        self._sc.log.debug("test_onion packet")
 
     def get_info(self):
         rv = {}
@@ -589,14 +656,14 @@ class Network:
         with self._mx:
             for peer in self._peers:
                 peer_info = {
-                    'pubkey': 'Unknown' if not peer._pubkey else peer._pubkey.hex(),
-                    'address': '{}:{}'.format(peer._address[0], peer._address[1]),
-                    'bytessent': peer._bytes_sent,
-                    'bytesrecv': peer._bytes_received,
-                    'ready': peer._ready,
-                    'incoming': peer._incoming,
+                    "pubkey": "Unknown" if not peer._pubkey else peer._pubkey.hex(),
+                    "address": "{}:{}".format(peer._address[0], peer._address[1]),
+                    "bytessent": peer._bytes_sent,
+                    "bytesrecv": peer._bytes_received,
+                    "ready": peer._ready,
+                    "incoming": peer._incoming,
                 }
                 peers.append(peer_info)
 
-        rv['peers'] = peers
+        rv["peers"] = peers
         return rv

basicswap/network/simplex.py

@@ -0,0 +1,350 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# 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.
+
+import base64
+import json
+import threading
+import websocket
+
+
+from queue import Queue, Empty
+
+from basicswap.util.smsg import (
+    smsgEncrypt,
+    smsgDecrypt,
+    smsgGetID,
+)
+from basicswap.chainparams import (
+    Coins,
+)
+from basicswap.util.address import (
+    b58decode,
+    decodeWif,
+)
+from basicswap.basicswap_util import (
+    BidStates,
+)
+
+
+def encode_base64(data: bytes) -> str:
+    return base64.b64encode(data).decode("utf-8")
+
+
+def decode_base64(encoded_data: str) -> bytes:
+    return base64.b64decode(encoded_data)
+
+
+class WebSocketThread(threading.Thread):
+    def __init__(self, url: str, tag: str = None, logger=None):
+        super().__init__()
+        self.url: str = url
+        self.tag = tag
+        self.logger = logger
+        self.ws = None
+        self.mutex = threading.Lock()
+        self.corrId: int = 0
+        self.connected: bool = False
+        self.delay_event = threading.Event()
+
+        self.recv_queue = Queue()
+        self.cmd_recv_queue = Queue()
+
+    def on_message(self, ws, message):
+        if self.logger:
+            self.logger.debug("Simplex received msg")
+        else:
+            print(f"{self.tag} - Received msg")
+
+        if message.startswith('{"corrId"'):
+            self.cmd_recv_queue.put(message)
+        else:
+            self.recv_queue.put(message)
+
+    def queue_get(self):
+        try:
+            return self.recv_queue.get(block=False)
+        except Empty:
+            return None
+
+    def cmd_queue_get(self):
+        try:
+            return self.cmd_recv_queue.get(block=False)
+        except Empty:
+            return None
+
+    def on_error(self, ws, error):
+        if self.logger:
+            self.logger.error(f"Simplex ws - {error}")
+        else:
+            print(f"{self.tag} - Error: {error}")
+
+    def on_close(self, ws, close_status_code, close_msg):
+        if self.logger:
+            self.logger.info(f"Simplex ws - Closed: {close_status_code}, {close_msg}")
+        else:
+            print(f"{self.tag} - Closed: {close_status_code}, {close_msg}")
+
+    def on_open(self, ws):
+        if self.logger:
+            self.logger.info("Simplex ws - Connection opened")
+        else:
+            print(f"{self.tag}: WebSocket connection opened")
+        self.connected = True
+
+    def send_command(self, cmd_str: str):
+        with self.mutex:
+            self.corrId += 1
+            if self.logger:
+                self.logger.debug(f"Simplex sent command {self.corrId}")
+            else:
+                print(f"{self.tag}: sent command {self.corrId}")
+            cmd = json.dumps({"corrId": str(self.corrId), "cmd": cmd_str})
+            self.ws.send(cmd)
+            return self.corrId
+
+    def run(self):
+        self.ws = websocket.WebSocketApp(
+            self.url,
+            on_message=self.on_message,
+            on_error=self.on_error,
+            on_open=self.on_open,
+            on_close=self.on_close,
+        )
+        while not self.delay_event.is_set():
+            self.ws.run_forever()
+            self.delay_event.wait(0.5)
+
+    def stop(self):
+        self.delay_event.set()
+        if self.ws:
+            self.ws.close()
+
+
+def waitForResponse(ws_thread, sent_id, delay_event):
+    sent_id = str(sent_id)
+    for i in range(100):
+        message = ws_thread.cmd_queue_get()
+        if message is not None:
+            data = json.loads(message)
+            # print(f"json: {json.dumps(data, indent=4)}")
+            if "corrId" in data:
+                if data["corrId"] == sent_id:
+                    return data
+        delay_event.wait(0.5)
+    raise ValueError(f"waitForResponse timed-out waiting for id: {sent_id}")
+
+
+def waitForConnected(ws_thread, delay_event):
+    for i in range(100):
+        if ws_thread.connected:
+            return True
+        delay_event.wait(0.5)
+    raise ValueError("waitForConnected timed-out.")
+
+
+def getPrivkeyForAddress(self, addr) -> bytes:
+
+    ci_part = self.ci(Coins.PART)
+    try:
+        return ci_part.decodeKey(
+            self.callrpc(
+                "smsgdumpprivkey",
+                [
+                    addr,
+                ],
+            )
+        )
+    except Exception as e:  # noqa: F841
+        pass
+    try:
+        return ci_part.decodeKey(
+            ci_part.rpc_wallet(
+                "dumpprivkey",
+                [
+                    addr,
+                ],
+            )
+        )
+    except Exception as e:  # noqa: F841
+        pass
+    raise ValueError("key not found")
+
+
+def sendSimplexMsg(
+    self, network, addr_from: str, addr_to: str, payload: bytes, msg_valid: int, cursor
+) -> bytes:
+    self.log.debug("sendSimplexMsg")
+
+    try:
+        rv = self.callrpc(
+            "smsggetpubkey",
+            [
+                addr_to,
+            ],
+        )
+        pubkey_to: bytes = b58decode(rv["publickey"])
+    except Exception as e:  # noqa: F841
+        use_cursor = self.openDB(cursor)
+        try:
+            query: str = "SELECT pk_from FROM offers WHERE addr_from = :addr_to LIMIT 1"
+            rows = use_cursor.execute(query, {"addr_to": addr_to}).fetchall()
+            if len(rows) > 0:
+                pubkey_to = rows[0][0]
+            else:
+                query: str = (
+                    "SELECT pk_bid_addr FROM bids WHERE bid_addr = :addr_to LIMIT 1"
+                )
+                rows = use_cursor.execute(query, {"addr_to": addr_to}).fetchall()
+                if len(rows) > 0:
+                    pubkey_to = rows[0][0]
+                else:
+                    raise ValueError(f"Could not get public key for address {addr_to}")
+        finally:
+            if cursor is None:
+                self.closeDB(use_cursor, commit=False)
+
+    privkey_from = getPrivkeyForAddress(self, addr_from)
+
+    payload += bytes((0,))  # Include null byte to match smsg
+    smsg_msg: bytes = smsgEncrypt(privkey_from, pubkey_to, payload)
+
+    smsg_id = smsgGetID(smsg_msg)
+
+    ws_thread = network["ws_thread"]
+    sent_id = ws_thread.send_command("#bsx " + encode_base64(smsg_msg))
+    response = waitForResponse(ws_thread, sent_id, self.delay_event)
+    if response["resp"]["type"] != "newChatItems":
+        json_str = json.dumps(response, indent=4)
+        self.log.debug(f"Response {json_str}")
+        raise ValueError("Send failed")
+
+    return smsg_id
+
+
+def decryptSimplexMsg(self, msg_data):
+    ci_part = self.ci(Coins.PART)
+
+    # Try with the network key first
+    network_key: bytes = decodeWif(self.network_key)
+    try:
+        decrypted = smsgDecrypt(network_key, msg_data, output_dict=True)
+        decrypted["from"] = ci_part.pubkey_to_address(
+            bytes.fromhex(decrypted["pk_from"])
+        )
+        decrypted["to"] = self.network_addr
+        decrypted["msg_net"] = "simplex"
+        return decrypted
+    except Exception as e:  # noqa: F841
+        pass
+
+    # Try with all active bid/offer addresses
+    query: str = """SELECT DISTINCT address FROM (
+        SELECT bid_addr AS address FROM bids WHERE active_ind = 1
+               AND (in_progress = 1 OR (state > :bid_received AND state < :bid_completed) OR (state IN (:bid_received, :bid_sent) AND expire_at > :now))
+        UNION
+        SELECT addr_from AS address FROM offers WHERE active_ind = 1 AND expire_at > :now
+        )"""
+
+    now: int = self.getTime()
+
+    try:
+        cursor = self.openDB()
+        addr_rows = cursor.execute(
+            query,
+            {
+                "bid_received": int(BidStates.BID_RECEIVED),
+                "bid_completed": int(BidStates.SWAP_COMPLETED),
+                "bid_sent": int(BidStates.BID_SENT),
+                "now": now,
+            },
+        ).fetchall()
+    finally:
+        self.closeDB(cursor, commit=False)
+
+    decrypted = None
+    for row in addr_rows:
+        addr = row[0]
+        try:
+            vk_addr = getPrivkeyForAddress(self, addr)
+            decrypted = smsgDecrypt(vk_addr, msg_data, output_dict=True)
+            decrypted["from"] = ci_part.pubkey_to_address(
+                bytes.fromhex(decrypted["pk_from"])
+            )
+            decrypted["to"] = addr
+            decrypted["msg_net"] = "simplex"
+            return decrypted
+        except Exception as e:  # noqa: F841
+            pass
+
+    return decrypted
+
+
+def readSimplexMsgs(self, network):
+    ws_thread = network["ws_thread"]
+
+    for i in range(100):
+        message = ws_thread.queue_get()
+        if message is None:
+            break
+
+        data = json.loads(message)
+        # self.log.debug(f"message 1: {json.dumps(data, indent=4)}")
+        try:
+            if data["resp"]["type"] in ("chatItemsStatusesUpdated", "newChatItems"):
+                for chat_item in data["resp"]["chatItems"]:
+                    item_status = chat_item["chatItem"]["meta"]["itemStatus"]
+                    if item_status["type"] in ("sndRcvd", "rcvNew"):
+                        snd_progress = item_status.get("sndProgress", None)
+                        if snd_progress:
+                            if snd_progress != "complete":
+                                item_id = chat_item["chatItem"]["meta"]["itemId"]
+                                self.log.debug(
+                                    f"simplex chat item {item_id} {snd_progress}"
+                                )
+                                continue
+                        try:
+                            msg_data: bytes = decode_base64(
+                                chat_item["chatItem"]["content"]["msgContent"]["text"]
+                            )
+                            decrypted_msg = decryptSimplexMsg(self, msg_data)
+                            if decrypted_msg is None:
+                                continue
+                            self.processMsg(decrypted_msg)
+                        except Exception as e:  # noqa: F841
+                            # self.log.debug(f"decryptSimplexMsg error: {e}")
+                            pass
+        except Exception as e:
+            self.log.debug(f"readSimplexMsgs error: {e}")
+
+        self.delay_event.wait(0.05)
+
+
+def initialiseSimplexNetwork(self, network_config) -> None:
+    self.log.debug("initialiseSimplexNetwork")
+
+    client_host: str = network_config.get("client_host", "127.0.0.1")
+    ws_port: str = network_config.get("ws_port")
+
+    ws_thread = WebSocketThread(f"ws://{client_host}:{ws_port}", logger=self.log)
+    self.threads.append(ws_thread)
+    ws_thread.start()
+    waitForConnected(ws_thread, self.delay_event)
+
+    sent_id = ws_thread.send_command("/groups")
+    response = waitForResponse(ws_thread, sent_id, self.delay_event)
+
+    if len(response["resp"]["groups"]) < 1:
+        sent_id = ws_thread.send_command("/c " + network_config["group_link"])
+        response = waitForResponse(ws_thread, sent_id, self.delay_event)
+        assert "groupLinkId" in response["resp"]["connection"]
+
+    network = {
+        "type": "simplex",
+        "ws_thread": ws_thread,
+    }
+
+    self.active_networks.append(network)

basicswap/network/simplex_chat.py

@@ -0,0 +1,107 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# 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.
+
+import os
+import select
+import subprocess
+import time
+
+from basicswap.bin.run import Daemon
+
+
+def initSimplexClient(args, logger, delay_event):
+    logger.info("Initialising Simplex client")
+
+    (pipe_r, pipe_w) = os.pipe()  # subprocess.PIPE is buffered, blocks when read
+
+    if os.name == "nt":
+        str_args = " ".join(args)
+        p = subprocess.Popen(
+            str_args, shell=True, stdin=subprocess.PIPE, stdout=pipe_w, stderr=pipe_w
+        )
+    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")
+        response = None
+        # logging.debug(f"simplex-chat output: {buf}")
+        if "display name:" in buf:
+            logger.debug("Setting display name")
+            response = b"user\n"
+        else:
+            logger.debug(f"Unexpected output: {buf}")
+            return
+        if response is not None:
+            p.stdin.write(response)
+            p.stdin.flush()
+
+    try:
+        start_time: int = time.time()
+        max_wait_seconds: int = 60
+        while p.poll() is None:
+            if time.time() > start_time + max_wait_seconds:
+                raise ValueError("Timed out")
+            if os.name == "nt":
+                readOutput()
+                delay_event.wait(0.1)
+                continue
+            while len(select.select([pipe_r], [], [], 0)[0]) == 1:
+                readOutput()
+                delay_event.wait(0.1)
+    except Exception as e:
+        logger.error(f"initSimplexClient: {e}")
+    finally:
+        if p.poll() is None:
+            p.terminate()
+        os.close(pipe_r)
+        os.close(pipe_w)
+        p.stdin.close()
+
+
+def startSimplexClient(
+    bin_path: str,
+    data_path: str,
+    server_address: str,
+    websocket_port: int,
+    logger,
+    delay_event,
+) -> Daemon:
+    logger.info("Starting Simplex client")
+    if not os.path.exists(data_path):
+        os.makedirs(data_path)
+
+    db_path = os.path.join(data_path, "simplex_client_data")
+
+    args = [bin_path, "-d", db_path, "-s", server_address, "-p", str(websocket_port)]
+
+    if not os.path.exists(db_path):
+        # Need to set initial profile through CLI
+        # TODO: Must be a better way?
+        init_args = args + ["-e", "/help"]  # Run command ro exit client
+        initSimplexClient(init_args, logger, delay_event)
+
+    args += ["-l", "debug"]
+
+    opened_files = []
+    stdout_dest = open(
+        os.path.join(data_path, "simplex_stdout.log"),
+        "w",
+    )
+    opened_files.append(stdout_dest)
+    stderr_dest = stdout_dest
+    return Daemon(
+        subprocess.Popen(
+            args,
+            shell=False,
+            stdin=subprocess.PIPE,
+            stdout=stdout_dest,
+            stderr=stderr_dest,
+            cwd=data_path,
+        ),
+        opened_files,
+    )

basicswap/network/util.py

@@ -0,0 +1,20 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# 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.
+
+from basicswap.util.address import b58decode
+
+
+def getMsgPubkey(self, msg) -> bytes:
+    if "pk_from" in msg:
+        return bytes.fromhex(msg["pk_from"])
+    rv = self.callrpc(
+        "smsggetpubkey",
+        [
+            msg["from"],
+        ],
+    )
+    return b58decode(rv["publickey"])

basicswap/pgp/keys/bitcoincash_Calin_Culianu.pgp

@@ -0,0 +1,25 @@
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+
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+=cf8I
+-----END PGP PUBLIC KEY BLOCK-----

basicswap/pgp/keys/dash_pasta.pgp

@@ -0,0 +1,166 @@
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basicswap/pgp/keys/namecoin_RoseTuring.pgp

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basicswap/pgp/keys/nicolasdorier.asc

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basicswap/pgp/keys/particl_tecnovert.pgp

@@ -0,0 +1,29 @@
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+-----END PGP PUBLIC KEY BLOCK-----

basicswap/pgp/keys/wownero_wowario.pgp

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+-----BEGIN PGP PUBLIC KEY BLOCK-----
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+=H3wS
+-----END PGP PUBLIC KEY BLOCK-----

basicswap/pgp/sigs/utxo-snapshot-bitcoin-mainnet-820852.tar.asc

@@ -0,0 +1,16 @@
+-----BEGIN PGP SIGNATURE-----
+
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+-----END PGP SIGNATURE-----

basicswap/pgp/sigs/utxo-snapshot-bitcoin-mainnet-867690.tar.asc

@@ -0,0 +1,16 @@
+-----BEGIN PGP SIGNATURE-----
+
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+=0pTn
+-----END PGP SIGNATURE-----

basicswap/pgp/sigs/utxo-snapshot-bitcoin-mainnet-hashes.asc

@@ -0,0 +1,21 @@
+-----BEGIN PGP SIGNED MESSAGE-----
+Hash: SHA256
+
+725a049bc5a9fd60b05bba4d4825d35115d99f05ab5b7716d4507c295d05172d  utxo-snapshot-bitcoin-mainnet-820852.tar
+744c42885df700513331a978b289d9c9d5b27e0cf1147f2f5a287b4492ff940c  utxo-snapshot-bitcoin-mainnet-867690.tar
+-----BEGIN PGP SIGNATURE-----
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+=YUjt
+-----END PGP SIGNATURE-----

basicswap/protocols/__init__.py

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