143 lines
4.6 KiB
Python
143 lines
4.6 KiB
Python
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#!/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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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import threading, Queue, os, json, time
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from collections import defaultdict
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try:
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from SimpleWebSocketServer import WebSocket, SimpleSSLWebSocketServer
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except ImportError:
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print "install SimpleWebSocketServer"
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sys.exit()
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import util, daemon
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request_queue = Queue.Queue()
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class ElectrumWebSocket(WebSocket):
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def handleMessage(self):
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assert self.data[0:3] == 'id:'
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print "message received", self.data
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request_id = self.data[3:]
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request_queue.put((self, request_id))
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def handleConnected(self):
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print "connected", self.address
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def handleClose(self):
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print "closed", self.address
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class WsClientThread(daemon.ClientThread):
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def __init__(self, config, server):
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util.DaemonThread.__init__(self)
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self.server = server
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self.config = config
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self.response_queue = Queue.Queue()
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self.server.add_client(self)
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self.subscriptions = defaultdict(list)
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self.sub_ws = defaultdict(list)
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self.counter = 0
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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, request_id + '.json')
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with open(n) 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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def reading_thread(self):
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while self.is_running():
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try:
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ws, request_id = request_queue.get()
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except Queue.Empty:
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continue
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try:
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addr, amount = self.make_request(request_id)
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except:
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continue
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method = 'blockchain.address.subscribe'
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params = [addr]
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request = {'method':method, 'params':params, 'id':self.counter}
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self.subscriptions[method].append(params)
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self.sub_ws[self.counter] = ws, amount, request
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self.counter += 1
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self.server.send_request(self, request)
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def run(self):
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threading.Thread(target=self.reading_thread).start()
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while self.is_running():
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try:
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r = self.response_queue.get(timeout=0.1)
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except Queue.Empty:
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continue
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id = r.get('id')
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if id is None:
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method = r.get('method')
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params = r.get('params')
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else:
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ws, amount, rr = self.sub_ws[id]
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method = rr.get('method')
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params = rr.get('params')
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result = r.get('result')
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if method == 'blockchain.address.subscribe':
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print 'response', r
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if result is not None:
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request = {'method':'blockchain.address.get_balance', 'params':params, 'id':self.counter}
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self.server.send_request(self, request)
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self.sub_ws[self.counter] = ws, amount, request
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self.counter += 1
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if r.get('method') == 'blockchain.address.get_balance':
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print 'response', r
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if not ws.closed:
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if sum(result.values()) >=amount:
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ws.sendMessage(unicode('paid'))
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self.server.remove_client(self)
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class WebSocketServer(threading.Thread):
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def __init__(self, config, ns):
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threading.Thread.__init__(self)
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self.config = config
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self.net_server = ns
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self.daemon = True
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def run(self):
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t = WsClientThread(self.config, self.net_server)
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t.start()
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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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