3 # Electrum - lightweight Bitcoin client
4 # Copyright (C) 2011 thomasv@gitorious
6 # This program is free software: you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation, either version 3 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
22 from decimal import Decimal
26 'help':'Prints this help',
27 'validateaddress':'Check that the address is valid',
28 'balance': "Display the balance of your wallet or of an address.\nSyntax: balance [<address>]",
29 'contacts': "Show your list of contacts",
30 'create':'Create a wallet',
31 'restore':'Restore a wallet',
32 'payto':"""Create and broadcast a transaction.
33 Syntax: payto <recipient> <amount> [label]
34 <recipient> can be a bitcoin address or a label
35 options:\n --fee, -f: set transaction fee\n --fromaddr, -s: send from address -\n --changeaddr, -c: send change to address
38 'Broadcasts a transaction to the network. \nSyntax: sendrawtransaction <tx in hexadecimal>',
40 "Changes your password",
42 """Shows your list of addresses.
44 -a: show all addresses, including change addresses""",
46 'history':"Shows the transaction history",
47 'setlabel':'Assign a label to an item\nSyntax: label <tx_hash> <label>',
49 """Create a signed transaction, password protected.
50 Syntax: mktx <recipient> <amount> [label]
51 options:\n --fee, -f: set transaction fee\n --fromaddr, -s: send from address -\n --changeaddr, -c: send change to address
54 "Print the generation seed of your wallet.",
56 'Import a private key\nSyntax: importprivkey <privatekey>',
58 'Signs a message with a key\nSyntax: signmessage <address> <message>\nIf you want to lead or end a message with spaces, or want double spaces inside the message make sure you quote the string. I.e. " Hello This is a weird String "',
60 'Verifies a signature\nSyntax: verifymessage <address> <signature> <message>\nIf you want to lead or end a message with spaces, or want double spaces inside the message make sure you quote the string. I.e. " Hello This is a weird String "',
62 "Run python eval() on an object\nSyntax: eval <expression>\nExample: eval \"wallet.aliases\"",
64 "Get config parameter.",
66 "Set config parameter.",
68 "Create a seedless, watching-only wallet.",
73 'dumpprivkey':'similar to bitcoind\'s command',
74 'dumpprivkeys':'dump all private keys',
75 'listunspent':'similar to bitcoind\'s command',
76 'createmultisig':'similar to bitcoind\'s command',
77 'createrawtransaction':'similar to bitcoind\'s command',
78 'decoderawtransaction':'similar to bitcoind\'s command',
79 'signrawtransaction':'similar to bitcoind\'s command',
80 'get_history': 'get history for an address'
86 offline_commands = [ 'password', 'mktx',
87 'setlabel', 'contacts',
88 'help', 'validateaddress',
89 'signmessage', 'verifymessage',
90 'eval', 'set', 'get', 'create', 'addresses',
91 'importprivkey', 'get_seed',
94 'prioritize','unprioritize',
95 'dumpprivkey','dumpprivkeys','listunspent',
96 'createmultisig', 'createrawtransaction', 'decoderawtransaction', 'signrawtransaction'
99 protected_commands = ['payto', 'password', 'mktx', 'get_seed', 'importprivkey','signmessage', 'signrawtransaction', 'dumpprivkey', 'dumpprivkeys' ]
103 def __init__(self, wallet, interface, callback = None):
105 self.interface = interface
106 self.callback = callback
108 def _run(self, method, args, password_getter):
109 if method in protected_commands:
110 self.password = apply(password_getter,())
111 f = eval('self.'+method)
112 result = apply(f,args)
115 apply(self.callback, ())
118 def get_history(self, addr):
119 h = self.wallet.get_history(addr)
120 if h is None: h = self.wallet.interface.synchronous_get([ ('blockchain.address.get_history',[addr]) ])[0]
123 def listunspent(self):
124 l = self.wallet.get_unspent_coins()
125 for i in l: i["value"] = i["value"]*1e-8
128 def createrawtransaction(self, inputs, outputs):
129 # convert to own format
131 i['tx_hash'] = i['txid']
132 i['index'] = i['vout']
133 outputs = map(lambda x: (x[0],int(1e8*x[1])), outputs.items())
134 tx = Transaction.from_io(inputs, outputs)
137 def signrawtransaction(self, raw_tx, input_info, private_keys):
138 tx = Transaction(raw_tx)
139 unspent_coins = self.wallet.get_unspent_coins()
141 # convert private_keys to dict
143 for sec in private_keys:
144 address = bitcoin.address_from_private_key(sec)
148 for txin in tx.inputs:
149 # convert to own format
150 txin['tx_hash'] = txin['prevout_hash']
151 txin['index'] = txin['prevout_n']
153 for item in input_info:
154 if item.get('txid') == txin['tx_hash'] and item.get('vout') == txin['index']:
155 txin['raw_output_script'] = item['scriptPubKey']
156 txin['redeemScript'] = item.get('redeemScript')
157 txin['electrumKeyID'] = item.get('electrumKeyID')
160 for item in unspent_coins:
161 if txin['tx_hash'] == item['tx_hash'] and txin['index'] == item['index']:
162 txin['raw_output_script'] = item['raw_output_script']
165 # if neither, we might want to get it from the server..
170 if txin.get('electrumKeyID'):
171 n, for_change = txin.get('electrumKeyID')
172 sec = wallet.sequence.get_private_key(n, for_change, seed)
173 address = bitcoin.address_from_private_key(sec)
174 txin['address'] = address
175 private_keys[address] = sec
177 elif txin.get("redeemScript"):
178 txin['address'] = bitcoin.hash_160_to_bc_address(bitcoin.hash_160(txin.get("redeemScript").decode('hex')), 5)
180 elif txin.get("raw_output_script"):
181 addr = deserialize.get_address_from_output_script(txin.get("raw_output_script").decode('hex'))
182 sec = wallet.get_private_key(addr, self.password)
184 private_keys[addr] = sec
185 txin['address'] = addr
187 tx.sign( private_keys )
190 def decoderawtransaction(self, raw):
191 tx = Transaction(raw)
192 return tx.deserialize()
194 def sendrawtransaction(self, raw):
195 tx = Transaction(raw)
196 r, h = wallet.sendtx( tx )
199 def createmultisig(self, num, pubkeys):
200 assert isinstance(pubkeys, list)
201 return Transaction.multisig_script(pubkeys, num)
203 def freeze(self,addr):
204 return self.wallet.freeze(addr)
206 def unfreeze(self,addr):
207 return self.wallet.unfreeze(addr)
209 def prioritize(self, addr):
210 return self.wallet.prioritize(addr)
212 def unprioritize(self, addr):
213 return self.wallet.unprioritize(addr)
215 def dumpprivkey(self, addr):
216 return self.wallet.get_private_key(addr, self.password)
218 def dumpprivkeys(self, addresses):
219 return self.wallet.get_private_keys(addresses, self.password)
221 def validateaddress(self,addr):
222 is_valid = self.wallet.is_valid(addr)
223 out = { 'isvalid':is_valid }
225 is_mine = self.wallet.is_mine(addr)
226 out['address'] = addr
227 out['ismine'] = is_mine
229 out['pubkey'] = self.wallet.get_public_key(addr)
234 def balance(self, addresses = []):
236 c, u = self.wallet.get_balance()
238 print_msg(Decimal( c ) / 100000000 , Decimal( u ) / 100000000)
240 print_msg(Decimal( c ) / 100000000)
242 for addr in addresses:
243 c, u = wallet.get_addr_balance(addr)
245 print_msg("%s %s, %s" % (addr, str(Decimal(c)/100000000), str(Decimal(u)/100000000)))
247 print_msg("%s %s" % (addr, str(Decimal(c)/100000000)))
252 seed = self.wallet.decode_seed(self.password)
253 print_msg(seed + ' "' + ' '.join(mnemonic.mn_encode(seed)) + '"')
255 def importprivkey(self, sec):
257 addr = wallet.import_key(sec,self.password)
259 print_msg("Keypair imported: ", addr)
260 except BaseException as e:
261 print_msg("Error: Keypair import failed: " + str(e))
264 def sign_message(self, address, message):
265 return self.wallet.sign_message(address, message, self.password)
268 def verify_message(self, address, signature, message):
270 EC_KEY.verify_message(address, signature, message)
272 except BaseException as e:
273 print_error("Verification error: {0}".format(e))
277 def _mktx(self, to_address, amount, fee = None, change_addr = None, from_addr = None):
278 for k, v in self.wallet.labels.items():
281 print_msg("alias", to_address)
283 if change_addr and v == change_addr:
286 amount = int(10000000*amount)
287 if fee: fee = int(10000000*fee)
288 return self.wallet.mktx( [(to_address, amount)], self.password, fee , change_addr, from_addr)
291 def mktx(self, to_address, amount, fee = None, change_addr = None, from_addr = None):
292 tx = self._mktx(to_address, amount, fee, change_addr, from_addr)
296 def payto(self, to_address, amount, fee = None, change_addr = None, from_addr = None):
297 tx = self._mktx(to_address, amount, fee, change_addr, from_addr)
298 r, h = wallet.sendtx( tx )
306 for item in self.wallet.get_tx_history():
307 tx_hash, conf, is_mine, value, fee, balance, timestamp = item
309 time_str = datetime.datetime.fromtimestamp( timestamp).isoformat(' ')[:-3]
313 label, is_default_label = self.wallet.get_label(tx_hash)
314 if not label: label = tx_hash
315 else: label = label + ' '*(64 - len(label) )
317 out.append( "%16s"%time_str + " " + label + " " + format_satoshis(value)+ " "+ format_satoshis(balance) )
322 def setlabel(self, tx, label):
323 self.wallet.labels[tx] = label
329 for addr in self.wallet.addressbook:
330 c[addr] = self.wallet.labels.get(addr)
334 def addresses(self, show_all):
336 for addr in self.wallet.all_addresses():
337 if show_all or not self.wallet.is_change(addr):
339 flags = self.wallet.get_address_flags(addr)
340 label = self.wallet.labels.get(addr,'')
341 if label: label = "\"%s\""%label
342 b = format_satoshis(self.wallet.get_addr_balance(addr)[0])
344 out.append( flags + ' ' + m_addr + ' ' + b + ' ' + label )