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
45 -b: include balance in results
46 -l: include labels in results
49 'history':"Shows the transaction history",
50 'setlabel':'Assign a label to an item\nSyntax: label <tx_hash> <label>',
52 """Create a signed transaction, password protected.
53 Syntax: mktx <recipient> <amount> [label]
54 options:\n --fee, -f: set transaction fee\n --fromaddr, -s: send from address -\n --changeaddr, -c: send change to address
57 "Print the generation seed of your wallet.",
59 'Import a private key\nSyntax: importprivkey <privatekey>',
61 '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 "',
63 '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 "',
65 "Run python eval() on an object\nSyntax: eval <expression>\nExample: eval \"wallet.aliases\"",
67 "Get config parameter.",
69 "Set config parameter.",
71 "Create a seedless, watching-only wallet.",
76 'dumpprivkey':'similar to bitcoind\'s command',
77 'dumpprivkeys':'dump all private keys',
78 'listunspent':'similar to bitcoind\'s command',
79 'createmultisig':'similar to bitcoind\'s command',
80 'createrawtransaction':'similar to bitcoind\'s command',
81 'decoderawtransaction':'similar to bitcoind\'s command',
82 'signrawtransaction':'similar to bitcoind\'s command',
83 'get_history': 'get history for an address'
89 offline_commands = [ 'password', 'mktx',
90 'setlabel', 'contacts',
91 'help', 'validateaddress',
92 'signmessage', 'verifymessage',
93 'eval', 'set', 'get', 'create', 'listaddresses',
94 'importprivkey', 'getseed',
97 'prioritize','unprioritize',
98 'dumpprivkey','dumpprivkeys','listunspent',
99 'createmultisig', 'createrawtransaction', 'decoderawtransaction', 'signrawtransaction'
102 protected_commands = ['payto', 'password', 'mktx', 'getseed', 'importprivkey','signmessage', 'signrawtransaction', 'dumpprivkey', 'dumpprivkeys' ]
106 def __init__(self, wallet, interface, callback = None):
108 self.interface = interface
109 self._callback = callback
111 def _run(self, method, args, password_getter):
112 if method in protected_commands:
113 self.password = apply(password_getter,())
114 f = eval('self.'+method)
115 result = apply(f,args)
118 apply(self._callback, ())
121 def get_history(self, addr):
122 h = self.wallet.get_history(addr)
123 if h is None: h = self.wallet.interface.synchronous_get([ ('blockchain.address.get_history',[addr]) ])[0]
126 def listunspent(self):
128 l = copy.deepcopy(self.wallet.get_unspent_coins())
129 for i in l: i["value"] = str(Decimal(i["value"])/100000000)
132 def createrawtransaction(self, inputs, outputs):
133 # convert to own format
135 i['tx_hash'] = i['txid']
136 i['index'] = i['vout']
137 outputs = map(lambda x: (x[0],int(1e8*x[1])), outputs.items())
138 tx = Transaction.from_io(inputs, outputs)
141 def signrawtransaction(self, raw_tx, input_info, private_keys):
142 tx = Transaction(raw_tx)
143 self.wallet.signrawtransaction(tx, input_info, private_keys, self.password)
146 def decoderawtransaction(self, raw):
147 tx = Transaction(raw)
148 return tx.deserialize()
150 def sendrawtransaction(self, raw):
151 tx = Transaction(raw)
152 r, h = wallet.sendtx( tx )
155 def createmultisig(self, num, pubkeys):
156 assert isinstance(pubkeys, list)
157 return Transaction.multisig_script(pubkeys, num)
159 def freeze(self,addr):
160 return self.wallet.freeze(addr)
162 def unfreeze(self,addr):
163 return self.wallet.unfreeze(addr)
165 def prioritize(self, addr):
166 return self.wallet.prioritize(addr)
168 def unprioritize(self, addr):
169 return self.wallet.unprioritize(addr)
171 def dumpprivkey(self, addr):
172 return self.wallet.get_private_key(addr, self.password)
174 def dumpprivkeys(self, addresses = None):
175 if addresses is None:
176 addresses = self.wallet.all_addresses()
177 return self.wallet.get_private_keys(addresses, self.password)
179 def validateaddress(self,addr):
180 is_valid = self.wallet.is_valid(addr)
181 out = { 'isvalid':is_valid }
183 is_mine = self.wallet.is_mine(addr)
184 out['address'] = addr
185 out['ismine'] = is_mine
187 out['pubkey'] = self.wallet.get_public_key(addr)
192 def balance(self, addresses = []):
194 c, u = self.wallet.get_balance()
197 for addr in addresses:
198 cc, uu = wallet.get_addr_balance(addr)
202 out = { "confirmed": str(Decimal(c)/100000000) }
203 if u: out["unconfirmed"] = str(Decimal(u)/100000000)
209 seed = self.wallet.decode_seed(self.password)
210 return { "hex":seed, "mnemonic": ' '.join(mnemonic.mn_encode(seed)) }
212 def importprivkey(self, sec):
214 addr = wallet.import_key(sec,self.password)
216 out = "Keypair imported: ", addr
217 except BaseException as e:
218 out = "Error: Keypair import failed: " + str(e)
222 def signmessage(self, address, message):
223 return self.wallet.sign_message(address, message, self.password)
226 def verifymessage(self, address, signature, message):
228 EC_KEY.verify_message(address, signature, message)
230 except BaseException as e:
231 print_error("Verification error: {0}".format(e))
235 def _mktx(self, to_address, amount, fee = None, change_addr = None, from_addr = None):
236 for k, v in self.wallet.labels.items():
239 print_msg("alias", to_address)
241 if change_addr and v == change_addr:
244 amount = int(10000000*amount)
245 if fee: fee = int(10000000*fee)
246 return self.wallet.mktx( [(to_address, amount)], self.password, fee , change_addr, from_addr)
249 def mktx(self, to_address, amount, fee = None, change_addr = None, from_addr = None):
250 tx = self._mktx(to_address, amount, fee, change_addr, from_addr)
254 def payto(self, to_address, amount, fee = None, change_addr = None, from_addr = None):
255 tx = self._mktx(to_address, amount, fee, change_addr, from_addr)
256 r, h = wallet.sendtx( tx )
264 for item in self.wallet.get_tx_history():
265 tx_hash, conf, is_mine, value, fee, balance, timestamp = item
267 time_str = datetime.datetime.fromtimestamp( timestamp).isoformat(' ')[:-3]
271 label, is_default_label = self.wallet.get_label(tx_hash)
272 if not label: label = tx_hash
273 else: label = label + ' '*(64 - len(label) )
275 out.append( "%16s"%time_str + " " + label + " " + format_satoshis(value)+ " "+ format_satoshis(balance) )
280 def setlabel(self, tx, label):
281 self.wallet.labels[tx] = label
287 for addr in self.wallet.addressbook:
288 c[addr] = self.wallet.labels.get(addr)
292 def listaddresses(self, show_all = False, show_balance = False, show_label = False):
294 for addr in self.wallet.all_addresses():
295 if show_all or not self.wallet.is_change(addr):
296 if show_balance or show_label:
297 item = { 'address': addr }
299 item['balance'] = str(Decimal(self.wallet.get_addr_balance(addr)[0])/100000000)
301 label = self.wallet.labels.get(addr,'')
303 item['label'] = label