113 lines
3.9 KiB
Python
113 lines
3.9 KiB
Python
#!/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 random, socket, ast
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class Interface:
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def __init__(self):
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self.servers = ['ecdsa.org','electrum.novit.ro'] # list of default servers
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self.host = random.choice( self.servers ) # random choice when the wallet is created
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self.rtime = 0
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self.blocks = 0
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self.message = ''
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self.set_port(50000)
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self.is_connected = False
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def set_port(self, port_number):
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self.port = port_number
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if self.use_http():
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self.handler = self.http_json_handler
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else:
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self.handler = self.native_handler
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def use_http(self):
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return self.port in [80,81,8080,8081]
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def native_handler(self, method, params = ''):
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import time
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cmds = {'session.new':'new_session',
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'peers':'peers',
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'session.poll':'poll',
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'session.update':'update_session',
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'blockchain.transaction.broadcast':'tx',
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'blockchain.address.get_history':'h'
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}
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cmd = cmds[method]
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if type(params) != type(''): params = repr( params )
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t1 = time.time()
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request = repr ( (cmd, params) ) + "#"
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s = socket.socket( socket.AF_INET, socket.SOCK_STREAM)
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s.connect(( self.host, self.port))
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s.send( request )
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out = ''
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while 1:
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msg = s.recv(1024)
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if msg: out += msg
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else: break
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s.close()
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self.rtime = time.time() - t1
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self.is_connected = True
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if cmd in[ 'peers','h']:
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out = ast.literal_eval( out )
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return out
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def http_json_handler(self, method, params = []):
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import urllib2, json, time
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if type(params) != type([]): params = [ params ]
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t1 = time.time()
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data = { 'method':method, 'id':'jsonrpc', 'params':params }
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data_json = json.dumps(data)
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host = 'http://%s:%d'%(self.host,self.port)
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req = urllib2.Request(host, data_json, {'content-type': 'application/json'})
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response_stream = urllib2.urlopen(req)
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response = json.loads( response_stream.read() )
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out = response.get('result')
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if not out:
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print response
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self.rtime = time.time() - t1
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self.is_connected = True
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return out
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def send_tx(self, data):
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out = self.handler('blockchain.transaction.broadcast', data )
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return out
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def retrieve_history(self, address):
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out = self.handler('blockchain.address.get_history', address )
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return out
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def poll(self):
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out = self.handler('session.poll', self.session_id )
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blocks, changed_addr = ast.literal_eval( out )
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if blocks == -1: raise BaseException("session not found")
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self.blocks = int(blocks)
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return changed_addr
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def new_session(self, addresses, version):
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out = self.handler('session.new', [ version, addresses ] )
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self.session_id, self.message = ast.literal_eval( out )
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def update_session(self, addresses):
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out = self.handler('session.update', [ self.session_id, addresses ] )
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return out
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def get_servers(self):
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out = self.handler('peers')
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self.servers = map( lambda x:x[1], out )
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