thomasv
13 years ago
3 changed files with 774 additions and 732 deletions
@ -0,0 +1,112 @@ |
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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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|
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|
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import random, socket, ast |
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|
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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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|
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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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|
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def use_http(self): |
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return self.port in [80,81,8080,8081] |
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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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@ -0,0 +1,658 @@ |
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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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|
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import sys, base64, os, re, hashlib, socket, getpass, copy, operator, ast, random |
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from decimal import Decimal |
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|
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try: |
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import ecdsa |
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from ecdsa.util import string_to_number, number_to_string |
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except: |
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print "python-ecdsa does not seem to be installed. Try 'sudo easy_install ecdsa'" |
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sys.exit(1) |
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|
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try: |
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import aes |
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except: |
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print "AES does not seem to be installed. Try 'sudo easy_install slowaes'" |
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sys.exit(1) |
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|
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|
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############ functions from pywallet ##################### |
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addrtype = 0 |
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def hash_160(public_key): |
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md = hashlib.new('ripemd160') |
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md.update(hashlib.sha256(public_key).digest()) |
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return md.digest() |
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|
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def public_key_to_bc_address(public_key): |
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h160 = hash_160(public_key) |
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return hash_160_to_bc_address(h160) |
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def hash_160_to_bc_address(h160): |
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vh160 = chr(addrtype) + h160 |
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h = Hash(vh160) |
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addr = vh160 + h[0:4] |
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return b58encode(addr) |
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|
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def bc_address_to_hash_160(addr): |
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bytes = b58decode(addr, 25) |
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return bytes[1:21] |
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__b58chars = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz' |
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__b58base = len(__b58chars) |
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def b58encode(v): |
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""" encode v, which is a string of bytes, to base58. |
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""" |
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long_value = 0L |
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for (i, c) in enumerate(v[::-1]): |
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long_value += (256**i) * ord(c) |
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result = '' |
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while long_value >= __b58base: |
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div, mod = divmod(long_value, __b58base) |
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result = __b58chars[mod] + result |
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long_value = div |
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result = __b58chars[long_value] + result |
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# Bitcoin does a little leading-zero-compression: |
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# leading 0-bytes in the input become leading-1s |
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nPad = 0 |
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for c in v: |
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if c == '\0': nPad += 1 |
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else: break |
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return (__b58chars[0]*nPad) + result |
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def b58decode(v, length): |
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""" decode v into a string of len bytes |
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""" |
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long_value = 0L |
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for (i, c) in enumerate(v[::-1]): |
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long_value += __b58chars.find(c) * (__b58base**i) |
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result = '' |
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while long_value >= 256: |
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div, mod = divmod(long_value, 256) |
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result = chr(mod) + result |
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long_value = div |
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result = chr(long_value) + result |
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nPad = 0 |
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for c in v: |
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if c == __b58chars[0]: nPad += 1 |
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else: break |
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result = chr(0)*nPad + result |
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if length is not None and len(result) != length: |
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return None |
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return result |
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def Hash(data): |
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return hashlib.sha256(hashlib.sha256(data).digest()).digest() |
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def EncodeBase58Check(vchIn): |
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hash = Hash(vchIn) |
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return b58encode(vchIn + hash[0:4]) |
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def DecodeBase58Check(psz): |
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vchRet = b58decode(psz, None) |
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key = vchRet[0:-4] |
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csum = vchRet[-4:] |
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hash = Hash(key) |
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cs32 = hash[0:4] |
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if cs32 != csum: |
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return None |
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else: |
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return key |
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def PrivKeyToSecret(privkey): |
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return privkey[9:9+32] |
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def SecretToASecret(secret): |
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vchIn = chr(addrtype+128) + secret |
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return EncodeBase58Check(vchIn) |
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def ASecretToSecret(key): |
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vch = DecodeBase58Check(key) |
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if vch and vch[0] == chr(addrtype+128): |
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return vch[1:] |
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else: |
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return False |
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########### end pywallet functions ####################### |
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def int_to_hex(i, length=1): |
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s = hex(i)[2:].rstrip('L') |
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s = "0"*(2*length - len(s)) + s |
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return s.decode('hex')[::-1].encode('hex') |
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# URL decode |
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_ud = re.compile('%([0-9a-hA-H]{2})', re.MULTILINE) |
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urldecode = lambda x: _ud.sub(lambda m: chr(int(m.group(1), 16)), x) |
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# AES |
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EncodeAES = lambda secret, s: base64.b64encode(aes.encryptData(secret,s)) |
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DecodeAES = lambda secret, e: aes.decryptData(secret, base64.b64decode(e)) |
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# secp256k1, http://www.oid-info.com/get/1.3.132.0.10 |
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_p = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2FL |
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_r = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141L |
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_b = 0x0000000000000000000000000000000000000000000000000000000000000007L |
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_a = 0x0000000000000000000000000000000000000000000000000000000000000000L |
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_Gx = 0x79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798L |
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_Gy = 0x483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8L |
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curve_secp256k1 = ecdsa.ellipticcurve.CurveFp( _p, _a, _b ) |
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generator_secp256k1 = ecdsa.ellipticcurve.Point( curve_secp256k1, _Gx, _Gy, _r ) |
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oid_secp256k1 = (1,3,132,0,10) |
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SECP256k1 = ecdsa.curves.Curve("SECP256k1", curve_secp256k1, generator_secp256k1, oid_secp256k1 ) |
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def filter(s): |
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out = re.sub('( [^\n]*|)\n','',s) |
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out = out.replace(' ','') |
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out = out.replace('\n','') |
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return out |
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def raw_tx( inputs, outputs, for_sig = None ): |
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s = int_to_hex(1,4) + ' version\n' |
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s += int_to_hex( len(inputs) ) + ' number of inputs\n' |
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for i in range(len(inputs)): |
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_, _, p_hash, p_index, p_script, pubkey, sig = inputs[i] |
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s += p_hash.decode('hex')[::-1].encode('hex') + ' prev hash\n' |
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s += int_to_hex(p_index,4) + ' prev index\n' |
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if for_sig is None: |
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sig = sig + chr(1) # hashtype |
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script = int_to_hex( len(sig)) + ' push %d bytes\n'%len(sig) |
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script += sig.encode('hex') + ' sig\n' |
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pubkey = chr(4) + pubkey |
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script += int_to_hex( len(pubkey)) + ' push %d bytes\n'%len(pubkey) |
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script += pubkey.encode('hex') + ' pubkey\n' |
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elif for_sig==i: |
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script = p_script + ' scriptsig \n' |
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else: |
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script='' |
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s += int_to_hex( len(filter(script))/2 ) + ' script length \n' |
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s += script |
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s += "ffffffff" + ' sequence\n' |
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s += int_to_hex( len(outputs) ) + ' number of outputs\n' |
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for output in outputs: |
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addr, amount = output |
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s += int_to_hex( amount, 8) + ' amount: %d\n'%amount |
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script = '76a9' # op_dup, op_hash_160 |
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script += '14' # push 0x14 bytes |
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script += bc_address_to_hash_160(addr).encode('hex') |
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script += '88ac' # op_equalverify, op_checksig |
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s += int_to_hex( len(filter(script))/2 ) + ' script length \n' |
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s += script + ' script \n' |
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s += int_to_hex(0,4) # lock time |
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if for_sig is not None: s += int_to_hex(1, 4) # hash type |
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return s |
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from version import ELECTRUM_VERSION, SEED_VERSION |
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class Wallet: |
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def __init__(self, interface): |
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self.electrum_version = ELECTRUM_VERSION |
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self.seed_version = SEED_VERSION |
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self.gap_limit = 5 # configuration |
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self.fee = 100000 |
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self.master_public_key = '' |
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# saved fields |
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self.use_encryption = False |
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self.addresses = [] # receiving addresses visible for user |
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self.change_addresses = [] # addresses used as change |
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self.seed = '' # encrypted |
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self.status = {} # current status of addresses |
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self.history = {} |
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self.labels = {} # labels for addresses and transactions |
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self.addressbook = [] # outgoing addresses, for payments |
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# not saved |
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self.tx_history = {} |
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self.imported_keys = {} |
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self.interface = interface |
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def set_path(self, wallet_path): |
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if wallet_path is not None: |
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self.path = wallet_path |
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else: |
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# backward compatibility: look for wallet file in the default data directory |
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if "HOME" in os.environ: |
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wallet_dir = os.path.join( os.environ["HOME"], '.electrum') |
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elif "LOCALAPPDATA" in os.environ: |
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wallet_dir = os.path.join( os.environ["LOCALAPPDATA"], 'Electrum' ) |
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elif "APPDATA" in os.environ: |
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wallet_dir = os.path.join( os.environ["APPDATA"], 'Electrum' ) |
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else: |
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raise BaseException("No home directory found in environment variables.") |
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if not os.path.exists( wallet_dir ): os.mkdir( wallet_dir ) |
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self.path = os.path.join( wallet_dir, 'electrum.dat' ) |
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|
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def import_key(self, keypair, password): |
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address, key = keypair.split(':') |
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if not self.is_valid(address): return False |
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b = ASecretToSecret( key ) |
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if not b: return False |
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secexp = int( b.encode('hex'), 16) |
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private_key = ecdsa.SigningKey.from_secret_exponent( secexp, curve=SECP256k1 ) |
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# sanity check |
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public_key = private_key.get_verifying_key() |
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if not address == public_key_to_bc_address( '04'.decode('hex') + public_key.to_string() ): return False |
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self.imported_keys[address] = self.pw_encode( key, password ) |
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return True |
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|
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def new_seed(self, password): |
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seed = "%032x"%ecdsa.util.randrange( pow(2,128) ) |
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self.init_mpk(seed) |
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# encrypt |
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self.seed = wallet.pw_encode( seed, password ) |
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|
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def init_mpk(self,seed): |
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# public key |
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curve = SECP256k1 |
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secexp = self.stretch_key(seed) |
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master_private_key = ecdsa.SigningKey.from_secret_exponent( secexp, curve = SECP256k1 ) |
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self.master_public_key = master_private_key.get_verifying_key().to_string() |
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|
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def all_addresses(self): |
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return self.addresses + self.change_addresses + self.imported_keys.keys() |
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def is_mine(self, address): |
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return address in self.all_addresses() |
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def is_change(self, address): |
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return address in self.change_addresses |
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def is_valid(self,addr): |
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ADDRESS_RE = re.compile('[1-9A-HJ-NP-Za-km-z]{26,}\\Z') |
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if not ADDRESS_RE.match(addr): return False |
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try: |
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h = bc_address_to_hash_160(addr) |
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except: |
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return False |
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return addr == hash_160_to_bc_address(h) |
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|
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def stretch_key(self,seed): |
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oldseed = seed |
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for i in range(100000): |
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seed = hashlib.sha256(seed + oldseed).digest() |
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return string_to_number( seed ) |
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|
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def get_sequence(self,n,for_change): |
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return string_to_number( Hash( "%d:%d:"%(n,for_change) + self.master_public_key ) ) |
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|
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def get_private_key2(self, address, password): |
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""" Privatekey(type,n) = Master_private_key + H(n|S|type) """ |
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order = generator_secp256k1.order() |
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|
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if address in self.imported_keys.keys(): |
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b = self.pw_decode( self.imported_keys[address], password ) |
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b = ASecretToSecret( b ) |
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secexp = int( b.encode('hex'), 16) |
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else: |
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if address in self.addresses: |
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n = self.addresses.index(address) |
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for_change = False |
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elif address in self.change_addresses: |
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n = self.change_addresses.index(address) |
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for_change = True |
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else: |
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raise BaseException("unknown address") |
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seed = self.pw_decode( self.seed, password) |
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secexp = self.stretch_key(seed) |
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secexp = ( secexp + self.get_sequence(n,for_change) ) % order |
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pk = number_to_string(secexp,order) |
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return pk |
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def create_new_address2(self, for_change): |
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""" Publickey(type,n) = Master_public_key + H(n|S|type)*point """ |
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curve = SECP256k1 |
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n = len(self.change_addresses) if for_change else len(self.addresses) |
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z = self.get_sequence(n,for_change) |
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master_public_key = ecdsa.VerifyingKey.from_string( self.master_public_key, curve = SECP256k1 ) |
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pubkey_point = master_public_key.pubkey.point + z*curve.generator |
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public_key2 = ecdsa.VerifyingKey.from_public_point( pubkey_point, curve = SECP256k1 ) |
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address = public_key_to_bc_address( '04'.decode('hex') + public_key2.to_string() ) |
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if for_change: |
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self.change_addresses.append(address) |
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else: |
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self.addresses.append(address) |
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|
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# updates |
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print address |
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self.history[address] = h = self.interface.retrieve_history(address) |
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self.status[address] = h[-1]['blk_hash'] if h else None |
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return address |
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|
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|
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def synchronize(self): |
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is_new = False |
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while True: |
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if self.change_addresses == []: |
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self.create_new_address2(True) |
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is_new = True |
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continue |
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a = self.change_addresses[-1] |
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if self.history.get(a): |
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self.create_new_address2(True) |
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is_new = True |
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else: |
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break |
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|
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n = self.gap_limit |
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while True: |
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if len(self.addresses) < n: |
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self.create_new_address2(False) |
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is_new = True |
|||
continue |
|||
if map( lambda a: self.history.get(a), self.addresses[-n:] ) == n*[[]]: |
|||
break |
|||
else: |
|||
self.create_new_address2(False) |
|||
is_new = True |
|||
|
|||
|
|||
def is_found(self): |
|||
return (len(self.change_addresses) > 1 ) or ( len(self.addresses) > self.gap_limit ) |
|||
|
|||
def fill_addressbook(self): |
|||
for tx in self.tx_history.values(): |
|||
if tx['value']<0: |
|||
for i in tx['outputs']: |
|||
if not self.is_mine(i) and i not in self.addressbook: |
|||
self.addressbook.append(i) |
|||
# redo labels |
|||
self.update_tx_labels() |
|||
|
|||
|
|||
def save(self): |
|||
s = { |
|||
'seed_version':self.seed_version, |
|||
'use_encryption':self.use_encryption, |
|||
'master_public_key': self.master_public_key.encode('hex'), |
|||
'fee':self.fee, |
|||
'host':self.interface.host, |
|||
'port':self.interface.port, |
|||
'blocks':self.interface.blocks, |
|||
'seed':self.seed, |
|||
'addresses':self.addresses, |
|||
'change_addresses':self.change_addresses, |
|||
'status':self.status, |
|||
'history':self.history, |
|||
'labels':self.labels, |
|||
'contacts':self.addressbook, |
|||
'imported_keys':self.imported_keys, |
|||
} |
|||
f = open(self.path,"w") |
|||
f.write( repr(s) ) |
|||
f.close() |
|||
|
|||
def read(self): |
|||
upgrade_msg = """This wallet seed is deprecated. Please run upgrade.py for a diagnostic.""" |
|||
try: |
|||
f = open(self.path,"r") |
|||
data = f.read() |
|||
f.close() |
|||
except: |
|||
return False |
|||
try: |
|||
d = ast.literal_eval( data ) |
|||
self.seed_version = d.get('seed_version') |
|||
self.master_public_key = d.get('master_public_key').decode('hex') |
|||
self.use_encryption = d.get('use_encryption') |
|||
self.fee = int( d.get('fee') ) |
|||
self.interface.host = d.get('host') |
|||
self.interface.set_port( d.get('port') ) |
|||
self.interface.blocks = d.get('blocks') |
|||
self.seed = d.get('seed') |
|||
self.addresses = d.get('addresses') |
|||
self.change_addresses = d.get('change_addresses') |
|||
self.status = d.get('status') |
|||
self.history = d.get('history') |
|||
self.labels = d.get('labels') |
|||
self.addressbook = d.get('contacts') |
|||
self.imported_keys = d.get('imported_keys',{}) |
|||
except: |
|||
raise BaseException(upgrade_msg) |
|||
|
|||
self.update_tx_history() |
|||
|
|||
if self.seed_version != SEED_VERSION: |
|||
raise BaseException(upgrade_msg) |
|||
|
|||
return True |
|||
|
|||
def get_new_address(self): |
|||
n = 0 |
|||
for addr in self.addresses[-self.gap_limit:]: |
|||
if not self.history.get(addr): |
|||
n = n + 1 |
|||
if n < self.gap_limit: |
|||
new_address = self.create_new_address2(False) |
|||
self.history[new_address] = [] #get from server |
|||
return True, new_address |
|||
else: |
|||
return False, "The last %d addresses in your list have never been used. You should use them first, or increase the allowed gap size in your preferences. "%self.gap_limit |
|||
|
|||
def get_addr_balance(self, addr): |
|||
if self.is_mine(addr): |
|||
h = self.history.get(addr) |
|||
else: |
|||
h = self.interface.retrieve_history(addr) |
|||
if not h: return 0,0 |
|||
c = u = 0 |
|||
for item in h: |
|||
v = item['value'] |
|||
if item['height']: |
|||
c += v |
|||
else: |
|||
u += v |
|||
return c, u |
|||
|
|||
def get_balance(self): |
|||
conf = unconf = 0 |
|||
for addr in self.all_addresses(): |
|||
c, u = self.get_addr_balance(addr) |
|||
conf += c |
|||
unconf += u |
|||
return conf, unconf |
|||
|
|||
def update(self): |
|||
is_new = False |
|||
changed_addresses = self.interface.poll() |
|||
for addr, blk_hash in changed_addresses.items(): |
|||
if self.status.get(addr) != blk_hash: |
|||
print "updating history for", addr |
|||
self.history[addr] = self.interface.retrieve_history(addr) |
|||
self.status[addr] = blk_hash |
|||
is_new = True |
|||
|
|||
if is_new: |
|||
self.synchronize() |
|||
self.update_tx_history() |
|||
self.save() |
|||
return True |
|||
else: |
|||
return False |
|||
|
|||
def choose_tx_inputs( self, amount, fixed_fee ): |
|||
""" todo: minimize tx size """ |
|||
total = 0 |
|||
fee = self.fee if fixed_fee is None else fixed_fee |
|||
|
|||
coins = [] |
|||
for addr in self.all_addresses(): |
|||
h = self.history.get(addr) |
|||
if h is None: continue |
|||
for item in h: |
|||
if item.get('raw_scriptPubKey'): |
|||
coins.append( (addr,item)) |
|||
|
|||
coins = sorted( coins, key = lambda x: x[1]['nTime'] ) |
|||
inputs = [] |
|||
for c in coins: |
|||
addr, item = c |
|||
v = item.get('value') |
|||
total += v |
|||
inputs.append((addr, v, item['tx_hash'], item['pos'], item['raw_scriptPubKey'], None, None) ) |
|||
fee = self.fee*len(inputs) if fixed_fee is None else fixed_fee |
|||
if total >= amount + fee: break |
|||
else: |
|||
#print "not enough funds: %d %d"%(total, fee) |
|||
inputs = [] |
|||
return inputs, total, fee |
|||
|
|||
def choose_tx_outputs( self, to_addr, amount, fee, total ): |
|||
outputs = [ (to_addr, amount) ] |
|||
change_amount = total - ( amount + fee ) |
|||
if change_amount != 0: |
|||
# normally, the update thread should ensure that the last change address is unused |
|||
outputs.append( ( self.change_addresses[-1], change_amount) ) |
|||
return outputs |
|||
|
|||
def sign_inputs( self, inputs, outputs, password ): |
|||
s_inputs = [] |
|||
for i in range(len(inputs)): |
|||
addr, v, p_hash, p_pos, p_scriptPubKey, _, _ = inputs[i] |
|||
private_key = ecdsa.SigningKey.from_string( self.get_private_key2(addr, password), curve = SECP256k1 ) |
|||
public_key = private_key.get_verifying_key() |
|||
pubkey = public_key.to_string() |
|||
tx = filter( raw_tx( inputs, outputs, for_sig = i ) ) |
|||
sig = private_key.sign_digest( Hash( tx.decode('hex') ), sigencode = ecdsa.util.sigencode_der ) |
|||
assert public_key.verify_digest( sig, Hash( tx.decode('hex') ), sigdecode = ecdsa.util.sigdecode_der) |
|||
s_inputs.append( (addr, v, p_hash, p_pos, p_scriptPubKey, pubkey, sig) ) |
|||
return s_inputs |
|||
|
|||
def pw_encode(self, s, password): |
|||
if password: |
|||
secret = Hash(password) |
|||
return EncodeAES(secret, s) |
|||
else: |
|||
return s |
|||
|
|||
def pw_decode(self, s, password): |
|||
if password is not None: |
|||
secret = Hash(password) |
|||
d = DecodeAES(secret, s) |
|||
if s == self.seed: |
|||
try: |
|||
d.decode('hex') |
|||
except: |
|||
raise BaseException("Invalid password") |
|||
return d |
|||
else: |
|||
return s |
|||
|
|||
def get_tx_history(self): |
|||
lines = self.tx_history.values() |
|||
lines = sorted(lines, key=operator.itemgetter("nTime")) |
|||
return lines |
|||
|
|||
def update_tx_history(self): |
|||
self.tx_history= {} |
|||
for addr in self.all_addresses(): |
|||
h = self.history.get(addr) |
|||
if h is None: continue |
|||
for tx in h: |
|||
tx_hash = tx['tx_hash'] |
|||
line = self.tx_history.get(tx_hash) |
|||
if not line: |
|||
self.tx_history[tx_hash] = copy.copy(tx) |
|||
line = self.tx_history.get(tx_hash) |
|||
else: |
|||
line['value'] += tx['value'] |
|||
if line['height'] == 0: |
|||
line['nTime'] = 1e12 |
|||
self.update_tx_labels() |
|||
|
|||
def update_tx_labels(self): |
|||
for tx in self.tx_history.values(): |
|||
default_label = '' |
|||
if tx['value']<0: |
|||
for o_addr in tx['outputs']: |
|||
if not self.is_change(o_addr): |
|||
dest_label = self.labels.get(o_addr) |
|||
if dest_label: |
|||
default_label = 'to: ' + dest_label |
|||
else: |
|||
default_label = 'to: ' + o_addr |
|||
else: |
|||
for o_addr in tx['outputs']: |
|||
if self.is_mine(o_addr) and not self.is_change(o_addr): |
|||
dest_label = self.labels.get(o_addr) |
|||
if dest_label: |
|||
default_label = 'at: ' + dest_label |
|||
else: |
|||
default_label = 'at: ' + o_addr |
|||
tx['default_label'] = default_label |
|||
|
|||
def mktx(self, to_address, amount, label, password, fee=None): |
|||
if not self.is_valid(to_address): |
|||
raise BaseException("Invalid address") |
|||
inputs, total, fee = wallet.choose_tx_inputs( amount, fee ) |
|||
if not inputs: |
|||
raise BaseException("Not enough funds") |
|||
outputs = wallet.choose_tx_outputs( to_address, amount, fee, total ) |
|||
s_inputs = wallet.sign_inputs( inputs, outputs, password ) |
|||
|
|||
tx = filter( raw_tx( s_inputs, outputs ) ) |
|||
if to_address not in self.addressbook: |
|||
self.addressbook.append(to_address) |
|||
if label: |
|||
tx_hash = Hash(tx.decode('hex') )[::-1].encode('hex') |
|||
wallet.labels[tx_hash] = label |
|||
wallet.save() |
|||
return tx |
|||
|
|||
def sendtx(self, tx): |
|||
tx_hash = Hash(tx.decode('hex') )[::-1].encode('hex') |
|||
out = self.interface.send_tx(tx) |
|||
if out != tx_hash: |
|||
return False, "error: " + out |
|||
return True, out |
|||
|
|||
Loading…
Reference in new issue