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132 lines
4.6 KiB
132 lines
4.6 KiB
#!/usr/bin/env python
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#
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# Electrum - lightweight Bitcoin client
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# Copyright (C) 2015 Thomas Voegtlin
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#
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# Permission is hereby granted, free of charge, to any person
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# obtaining a copy of this software and associated documentation files
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# (the "Software"), to deal in the Software without restriction,
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# including without limitation the rights to use, copy, modify, merge,
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# publish, distribute, sublicense, and/or sell copies of the Software,
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# and to permit persons to whom the Software is furnished to do so,
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# subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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import threading
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import os
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import json
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from collections import defaultdict
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import asyncio
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from typing import Dict, List, Tuple, TYPE_CHECKING
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import traceback
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import sys
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try:
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from SimpleWebSocketServer import WebSocket, SimpleSSLWebSocketServer
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except ImportError:
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sys.exit("install SimpleWebSocketServer")
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from . import bitcoin
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from .synchronizer import SynchronizerBase
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from .logging import Logger
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if TYPE_CHECKING:
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from .network import Network
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from .simple_config import SimpleConfig
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request_queue = asyncio.Queue()
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class ElectrumWebSocket(WebSocket, Logger):
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def __init__(self):
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WebSocket.__init__(self)
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Logger.__init__(self)
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def handleMessage(self):
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assert self.data[0:3] == 'id:'
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self.logger.info(f"message received {self.data}")
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request_id = self.data[3:]
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asyncio.run_coroutine_threadsafe(
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request_queue.put((self, request_id)), asyncio.get_event_loop())
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def handleConnected(self):
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self.logger.info(f"connected {self.address}")
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def handleClose(self):
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self.logger.info(f"closed {self.address}")
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class BalanceMonitor(SynchronizerBase):
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def __init__(self, config: 'SimpleConfig', network: 'Network'):
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SynchronizerBase.__init__(self, network)
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self.config = config
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self.expected_payments = defaultdict(list) # type: Dict[str, List[Tuple[WebSocket, int]]]
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def make_request(self, request_id):
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# read json file
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rdir = self.config.get('requests_dir')
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n = os.path.join(rdir, 'req', request_id[0], request_id[1], request_id, request_id + '.json')
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with open(n, encoding='utf-8') as f:
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s = f.read()
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d = json.loads(s)
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addr = d.get('address')
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amount = d.get('amount')
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return addr, amount
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async def main(self):
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# resend existing subscriptions if we were restarted
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for addr in self.expected_payments:
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await self._add_address(addr)
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# main loop
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while True:
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ws, request_id = await request_queue.get()
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try:
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addr, amount = self.make_request(request_id)
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except Exception:
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self.logger.exception('')
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continue
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self.expected_payments[addr].append((ws, amount))
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await self._add_address(addr)
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async def _on_address_status(self, addr, status):
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self.logger.info(f'new status for addr {addr}')
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sh = bitcoin.address_to_scripthash(addr)
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balance = await self.network.get_balance_for_scripthash(sh)
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for ws, amount in self.expected_payments[addr]:
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if not ws.closed:
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if sum(balance.values()) >= amount:
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ws.sendMessage('paid')
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class WebSocketServer(threading.Thread):
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def __init__(self, config: 'SimpleConfig', network: 'Network'):
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threading.Thread.__init__(self)
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self.config = config
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self.network = network
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asyncio.set_event_loop(network.asyncio_loop)
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self.daemon = True
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self.balance_monitor = BalanceMonitor(self.config, self.network)
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self.start()
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def run(self):
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asyncio.set_event_loop(self.network.asyncio_loop)
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host = self.config.get('websocket_server')
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port = self.config.get('websocket_port', 9999)
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certfile = self.config.get('ssl_chain')
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keyfile = self.config.get('ssl_privkey')
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self.server = SimpleSSLWebSocketServer(host, port, ElectrumWebSocket, certfile, keyfile)
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self.server.serveforever()
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