jsonrpc interface
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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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"""
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jsonrpc interface for webservers
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"""
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import socket, os
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from jsonrpclib.SimpleJSONRPCServer import SimpleJSONRPCServer, SimpleJSONRPCRequestHandler
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from electrum.wallet import WalletStorage, Wallet
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from electrum.commands import known_commands, Commands
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class RequestHandler(SimpleJSONRPCRequestHandler):
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def do_OPTIONS(self):
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self.send_response(200)
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self.end_headers()
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def end_headers(self):
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self.send_header("Access-Control-Allow-Headers",
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"Origin, X-Requested-With, Content-Type, Accept")
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self.send_header("Access-Control-Allow-Origin", "*")
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SimpleJSONRPCRequestHandler.end_headers(self)
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class ElectrumGui:
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def __init__(self, config, network):
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self.network = network
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self.config = config
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host = config.get('rpchost', 'localhost')
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port = config.get('rpcport', 7777)
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self.server = SimpleJSONRPCServer((host, port), requestHandler=RequestHandler)
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self.server.socket.settimeout(1)
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self.server.register_function(self.do_getrequest, 'getrequest')
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def do_getrequest(self, key):
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# fixme: we load and sync the wallet on each request
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# the wallet should be synchronized in the daemon instead
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storage = WalletStorage(self.config.get_wallet_path())
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if not storage.file_exists:
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raise BaseException("Wallet not found")
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wallet = Wallet(storage)
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wallet.start_threads(self.network)
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cmd_runner = Commands(self.config, wallet, self.network)
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result = cmd_runner.getrequest(key)
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wallet.stop_threads()
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return result
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def main(self, url):
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while True:
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try:
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self.server.handle_request()
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except socket.timeout:
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continue
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except:
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break
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"""
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* replace merchant script:
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* client process that connects to the daemon, receives notifications and pushes callbacks
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* it requires a new gui type
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electrum -g jsonrpc &
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or: electrum daemon loadwallet
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use the daemon:
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pros: single process instead of 2
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jsonrpc is not really a gui
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the wallet sould be synced in the daemon (so that we can add requests from the gui, list them, etc)
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short-term solution:
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* serve jsonrpc requests with the daemon
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* load wallet on each command
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* open some rpc commands to public
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* other solution:
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* use a database
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* 'addrequest' writes request to database
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the daemon does not need to load and sync the wallet
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* daemon loadwallet
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*
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Private methods:
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wallet commands
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Public methods:
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- getrequest(key)
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- paymentack():
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is sent as the body of the POST
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"""
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@ -708,7 +708,7 @@ def get_parser(run_gui, run_daemon, run_cmdline):
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parser_gui = subparsers.add_parser('gui', parents=[parent_parser], description="Run Electrum's Graphical User Interface.", help="Run GUI (default)")
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parser_gui.add_argument("url", nargs='?', default=None, help="bitcoin URI (or bip70 file)")
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parser_gui.set_defaults(func=run_gui)
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parser_gui.add_argument("-g", "--gui", dest="gui", help="select graphical user interface", choices=['qt', 'lite', 'gtk', 'text', 'stdio'])
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parser_gui.add_argument("-g", "--gui", dest="gui", help="select graphical user interface", choices=['qt', 'lite', 'gtk', 'text', 'stdio', 'jsonrpc'])
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parser_gui.add_argument("-m", action="store_true", dest="hide_gui", default=False, help="hide GUI on startup")
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parser_gui.add_argument("-L", "--lang", dest="language", default=None, help="default language used in GUI")
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parser_gui.add_argument("-o", "--offline", action="store_true", dest="offline", default=False, help="Run the GUI offline")
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@ -0,0 +1,82 @@
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<!DOCTYPE HTML>
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<html>
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<head>
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<title>Payment request</title>
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<script type="text/javascript" charset="utf-8" src="http://code.jquery.com/jquery-1.9.1.min.js"></script>
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<script type="text/javascript" src="https://raw.github.com/datagraph/jquery-jsonrpc/master/jquery.jsonrpc.js"></script>
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<script type="text/javascript" src="https://raw.githubusercontent.com/davidshimjs/qrcodejs/master/qrcode.js"></script>
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<link rel="stylesheet" type="text/css" href="/css/result-light.css">
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<script type="text/javascript" src="http://code.jquery.com/ui/1.10.3/jquery-ui.js"></script>
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<link rel="stylesheet" type="text/css" href="http://code.jquery.com/ui/1.10.3/themes/smoothness/jquery-ui.css">
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<script type="text/javascript">
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$(document).ready(function() {
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$.jsonRPC.setup({
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endPoint : "http://localhost:7777",
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namespace : ""
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});
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if (window.location.hash) {
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$.jsonRPC.request('getrequest', {
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params : [window.location.hash.substr(1)],
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success : function(data) {
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new QRCode(document.getElementById("qrcode"), data.result.URI);
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$("<p />").text(data.result.reason).appendTo($("p#reason"));
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$("<p />").text(data.result.amount + "BTC").appendTo($("p#amount"));
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$("a").attr("href", data.result.URI);
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$("<p />").text("Powered by Electrum").appendTo($("p#powered"));
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$(function () {
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var current;
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var max = 100;
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var initial = data.result.timestamp;
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var duration = data.result.expiration;
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var current = 100 * (Math.floor(Date.now()/1000) - initial)/duration;
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$("#progressbar").progressbar({
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value: current,
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max: max
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});
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function update() {
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current = 100 * (Math.floor(Date.now()/1000) - initial)/duration;
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$("#progressbar").progressbar({
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value: current
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});
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if (duration && current >= max) {
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$("#container").html("expired:", duration);
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}
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if(!duration) clearInterval(interval);
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};
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var interval = setInterval(update, 1000);
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});
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},
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error : function(data) {
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$("<p />").text("error").appendTo($("p#error"));
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$("<p />").text(data.error.message).appendTo($("p#error"));
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}
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});
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}
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});
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</script>
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</head>
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<body>
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<div id="container" style="width:20em; text-align:center; margin:auto; font-family:arial, serif;">
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<p id="error"></p>
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<p id="reason"></p>
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<p id="amount"></p>
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<div style="background-color:#7777aa; border-radius: 5px; padding:10px;">
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<a style="color:#ffffff; text-decoration:none;" id="paylink">Pay with Bitcoin</a>
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</div>
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<br/>
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<div id="qrcode" align="center"></div>
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<p id="powered" style="font-size:80%;"></p>
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<div id="progressbar"></div>
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</div>
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</body>
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</html>
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