thomasv
13 years ago
2 changed files with 247 additions and 0 deletions
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[main] |
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host = hostname of the machine where you run this program |
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port = choose a port number |
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password = choose a password |
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[db] |
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instance = the hostname of your sql server |
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name = the database name |
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user = your database username |
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password = your database password |
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[electrum] |
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server = the electrum server you will use |
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mpk = the master public key of your wallet (in hexadecimal) |
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[callback] |
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received = URL where we POST json data when payment has been received |
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expired = URL where we POST json data if payment has expired |
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password = password sent in the json data, for authentication |
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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) 2011 thomasv@gitorious |
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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 time, thread, sys, socket, os |
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import urllib2,json |
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import MySQLdb as mdb |
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import Queue |
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from electrum import Wallet, TcpStratumInterface |
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import ConfigParser |
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config = ConfigParser.ConfigParser() |
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config.read("merchant.conf") |
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db_instance = config.get('db','instance') |
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db_user = config.get('db','user') |
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db_password = config.get('db','password') |
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db_name = config.get('db','name') |
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electrum_server = config.get('electrum','server') |
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mpk = config.get('electrum','mpk') |
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my_password = config.get('main','password') |
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my_host = config.get('main','host') |
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my_port = config.getint('main','port') |
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cb_received = config.get('callback','received') |
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cb_expired = config.get('callback','expired') |
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cb_password = config.get('callback','password') |
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wallet = Wallet() |
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wallet.master_public_key = mpk.decode('hex') |
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omg_addresses = {} |
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def electrum_input_thread(in_queue, i): |
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while True: |
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addr, amount = in_queue.get(True,1000000000) |
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if addr in omg_addresses: |
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continue |
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else: |
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print "subscribing to ", addr |
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omg_addresses[addr] = amount |
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i.send([('blockchain.address.subscribe',[addr])]) |
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def electrum_output_thread(out_queue, i): |
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while True: |
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r = i.responses.get(True, 100000000000) |
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method = r.get('method') |
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if method == 'blockchain.address.subscribe': |
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addr = r.get('params')[0] |
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i.send([('blockchain.address.get_history',[addr])]) |
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elif method == 'blockchain.address.get_history': |
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addr = r.get('params')[0] |
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#print "received history for", addr |
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confirmed = unconfirmed = 0 |
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h = r.get('result') |
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if h is None: |
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continue |
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for item in h: |
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v = item['value'] |
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if v<0: continue |
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if item['height']: |
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confirmed += v |
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else: |
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unconfirmed += v |
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s = (confirmed+unconfirmed)/1.e8 |
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print "balance for %s:"%addr, s |
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amount = float(omg_addresses.get(addr)) |
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if s>=amount: |
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out_queue.put( ('payment',addr) ) |
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stopping = False |
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def do_stop(): |
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global stopping |
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stopping = True |
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def do_create(conn): |
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# creation |
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cur = conn.cursor() |
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cur.execute("CREATE TABLE electrum_payments (id INT PRIMARY KEY, address VARCHAR(40), amount FLOAT, received_at TIMESTAMP, expires_at TIMESTAMP, paid INT(1), processed INT(1));") |
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conn.commit() |
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def process_request(i, amount, confirmations, expires_in, password): |
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print "process_request", i, amount, confirmations, expires_in |
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if password!=my_password: |
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print "wrong password ", password |
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return |
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addr = wallet.get_new_address(i, 0) |
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out_queue.put( ('request',(i,addr,amount,expires_in) )) |
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return addr |
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def get_mpk(): |
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return wallet.master_public_key.encode('hex') |
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def server_thread(conn): |
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from jsonrpclib.SimpleJSONRPCServer import SimpleJSONRPCServer |
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server = SimpleJSONRPCServer(( my_host, my_port)) |
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server.register_function(process_request, 'request') |
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server.register_function(get_mpk, 'mpk') |
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server.register_function(do_stop, 'stop') |
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server.serve_forever() |
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def handle_command(cmd): |
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import jsonrpclib |
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server = jsonrpclib.Server('http://%s:%d'%(my_host, my_port)) |
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try: |
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if cmd == 'mpk': |
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out = server.mpk() |
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elif cmd == 'stop': |
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out = server.stop() |
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elif cmd == 'create': |
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conn = mdb.connect(db_instance, db_user, db_password, db_name); |
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do_create(conn) |
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out = "ok" |
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else: |
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out = "unknown command" |
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except socket.error: |
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print "Server not running" |
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return 1 |
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print out |
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return 0 |
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if __name__ == '__main__': |
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if len(sys.argv) > 1: |
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ret = handle_command(sys.argv[1]) |
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sys.exit(ret) |
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print "using database", db_name |
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conn = mdb.connect(db_instance, db_user, db_password, db_name); |
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i = TcpStratumInterface(electrum_server, 50001) |
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i.init_socket() |
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i.start() |
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# this process detects when addresses have paid |
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in_queue = Queue.Queue() |
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out_queue = Queue.Queue() |
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thread.start_new_thread(electrum_input_thread, (in_queue,i)) |
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thread.start_new_thread(electrum_output_thread, (out_queue,i)) |
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thread.start_new_thread(server_thread, (conn,)) |
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while not stopping: |
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cur = conn.cursor() |
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# get a list of addresses to watch |
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cur.execute("SELECT address, amount FROM electrum_payments WHERE paid IS NULL;") |
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data = cur.fetchall() |
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for item in data: |
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in_queue.put(item) |
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try: |
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cmd, params = out_queue.get(True, 10) |
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except Queue.Empty: |
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cmd = '' |
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if cmd == 'payment': |
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# set paid=1 for received payments |
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print "received payment from", addr |
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cur.execute("select id from electrum_payments where address='%s';"%addr) |
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id = cur.fetchone()[0] |
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cur.execute("update electrum_payments set paid=1 where id=%d;"%(id)) |
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elif cmd == 'request': |
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i, addr, amount, hours = params |
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sql = "INSERT INTO electrum_payments (id, address, amount, received_at, expires_at, paid, processed)"\ |
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+ " VALUES (%d, '%s', %f, CURRENT_TIMESTAMP, ADDTIME(CURRENT_TIMESTAMP, '0 %d:0:0'), NULL, NULL);"%(i, addr, amount, hours) |
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cur.execute(sql) |
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# set paid=0 for expired requests |
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cur.execute("""UPDATE electrum_payments set paid=0 WHERE expires_at < CURRENT_TIMESTAMP and paid is NULL;""") |
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# do callback for addresses that received payment |
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cur.execute("""SELECT id, address, paid from electrum_payments WHERE paid is not NULL and processed is NULL;""") |
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data = cur.fetchall() |
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for item in data: |
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print "callback:", item |
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id = int(item[0]) |
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address = item[1] |
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paid = int(item[2]) |
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headers = {'content-type':'application/json'} |
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data_json = { 'id':id, 'address':address, 'btc_auth':cb_password } |
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data_json = json.dumps(data_json) |
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url = cb_received if paid else cb_expired |
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req = urllib2.Request(url, data_json, headers) |
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try: |
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response_stream = urllib2.urlopen(req) |
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cur.execute("UPDATE electrum_payments SET processed=1 WHERE id=%d;"%(id)) |
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except urllib2.HTTPError: |
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print "cannot do callback", data_json |
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conn.commit() |
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conn.close() |
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