lib/commands.py

   1 #!/usr/bin/env python
   2 #
   3 # Electrum - lightweight Bitcoin client
   4 # Copyright (C) 2011 thomasv@gitorious
   5 #
   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.
  10 #
  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.
  15 #
  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/>.
  18
  19
  20 from util import *
  21 from bitcoin import *
  22 from decimal import Decimal
  23 import bitcoin
  24
  25 protected_commands = ['payto', 'password', 'mktx', 'get_seed', 'importprivkey','signmessage', 'signrawtransaction','dumpprivkey' ]
  26
  27 class Commands:
  28
  29     def __init__(self, wallet, interface):
  30         self.wallet = wallet
  31         self.interface = interface
  32
  33     def _run(self, method, args, password_getter):
  34         if method in protected_commands:
  35             pw = apply(password_getter,())
  36             args += (pw,)
  37
  38         f = eval('self.'+method)
  39         apply(f,args)
  40
  41     def get_history(self, addr):
  42         h = self.wallet.get_history(addr)
  43         if h is None: h = self.wallet.interface.synchronous_get([ ('blockchain.address.get_history',[addr]) ])[0]
  44         print_json(h)
  45
  46     def listunspent(self):
  47         print_json(self.wallet.get_unspent_coins())
  48
  49     def createrawtransaction(self, inputs, outputs):
  50         # convert to own format
  51         for i in inputs:
  52             i['tx_hash'] = i['txid']
  53             i['index'] = i['vout']
  54         outputs = map(lambda x: (x[0],int(1e8*x[1])), outputs.items())
  55         tx = Transaction.from_io(inputs, outputs)
  56         print_msg( tx )
  57
  58     def signrawtransaction(self, raw_tx, input_info, private_keys, password):
  59         tx = Transaction(raw_tx)
  60         unspent_coins = self.wallet.get_unspent_coins()
  61
  62         # convert private_keys to dict
  63         pk = {}
  64         for sec in private_keys:
  65             address = bitcoin.address_from_private_key(sec)
  66             pk[address] = sec
  67         private_keys = pk
  68
  69         for txin in tx.inputs:
  70             # convert to own format
  71             txin['tx_hash'] = txin['prevout_hash']
  72             txin['index'] = txin['prevout_n']
  73
  74             for item in input_info:
  75                 if item.get('txid') == txin['tx_hash'] and item.get('vout') == txin['index']:
  76                     txin['raw_output_script'] = item['scriptPubKey']
  77                     txin['redeemScript'] = item.get('redeemScript')
  78                     txin['electrumKeyID'] = item.get('electrumKeyID')
  79                     break
  80             else:
  81                 for item in unspent_coins:
  82                     if txin['tx_hash'] == item['tx_hash'] and txin['index'] == item['index']:
  83                         txin['raw_output_script'] = item['raw_output_script']
  84                         break
  85                 else:
  86                     # if neither, we might want to get it from the server..
  87                     raise
  88
  89             # find the address:
  90             import deserialize
  91             if txin.get('electrumKeyID'):
  92                 n, for_change = txin.get('electrumKeyID')
  93                 sec = wallet.sequence.get_private_key(n, for_change, seed)
  94                 address = bitcoin.address_from_private_key(sec)
  95                 txin['address'] = address
  96                 private_keys[address] = sec
  97
  98             elif txin.get("redeemScript"):
  99                 txin['address'] = bitcoin.hash_160_to_bc_address(bitcoin.hash_160(txin.get("redeemScript").decode('hex')), 5)
 100
 101             elif txin.get("raw_output_script"):
 102                 addr = deserialize.get_address_from_output_script(txin.get("raw_output_script").decode('hex'))
 103                 sec = wallet.get_private_key(addr, password)
 104                 if sec:
 105                     private_keys[addr] = sec
 106                     txin['address'] = addr
 107
 108         tx.sign( private_keys )
 109         print_json({ "hex":str(tx),"complete":tx.is_complete})
 110
 111     def decoderawtransaction(self, raw):
 112         tx = Transaction(raw)
 113         print_json( tx.deserialize() )
 114
 115     def sendrawtransaction(self, raw):
 116         tx = Transaction(raw)
 117         r, h = wallet.sendtx( tx )
 118         print_msg(h)
 119
 120     def createmultisig(self, num, pubkeys):
 121         assert isinstance(pubkeys, list)
 122         print_json( Transaction.multisig_script(pubkeys, num) )
 123
 124     def freeze(self,addr):
 125         print_msg(self.wallet.freeze(addr))
 126
 127     def unfreeze(self,addr):
 128         print_msg(self.wallet.unfreeze(addr))
 129
 130     def prioritize(self, addr):
 131         print_msg(self.wallet.prioritize(addr))
 132
 133     def unprioritize(self, addr):
 134         print_msg(self.wallet.unprioritize(addr))
 135
 136     def dumpprivkey(self, addr, password):
 137         sec = self.wallet.get_private_key(addr, password)
 138         print_msg( sec )
 139
 140     def validateaddress(self,addr):
 141         is_valid = self.wallet.is_valid(addr)
 142         out = { 'isvalid':is_valid }
 143         if is_valid:
 144             is_mine = self.wallet.is_mine(addr)
 145             out['address'] = addr
 146             out['ismine'] = is_mine
 147             if is_mine:
 148                 out['pubkey'] = self.wallet.get_public_key(addr)
 149
 150         print_json(out)
 151
 152
 153     def balance(self, addresses = []):
 154         if addresses == []:
 155             c, u = self.wallet.get_balance()
 156             if u:
 157                 print_msg(Decimal( c ) / 100000000 , Decimal( u ) / 100000000)
 158             else:
 159                 print_msg(Decimal( c ) / 100000000)
 160         else:
 161             for addr in addresses:
 162                 c, u = wallet.get_addr_balance(addr)
 163                 if u:
 164                     print_msg("%s %s, %s" % (addr, str(Decimal(c)/100000000), str(Decimal(u)/100000000)))
 165                 else:
 166                     print_msg("%s %s" % (addr, str(Decimal(c)/100000000)))
 167
 168
 169     def get_seed(self, password):
 170         import mnemonic
 171         seed = self.wallet.decode_seed(password)
 172         print_msg(seed + ' "' + ' '.join(mnemonic.mn_encode(seed)) + '"')
 173
 174     def importprivkey(self, sec):
 175         try:
 176             addr = wallet.import_key(sec,password)
 177             wallet.save()
 178             print_msg("Keypair imported: ", addr)
 179         except BaseException as e:
 180             print_msg("Error: Keypair import failed: " + str(e))
 181
 182
 183     def sign_message(self, address, message, password):
 184         print_msg(self.wallet.sign_message(address, message, password))
 185
 186
 187     def verify_message(self, address, signature, message):
 188         try:
 189             EC_KEY.verify_message(address, signature, message)
 190             print_msg(True)
 191         except BaseException as e:
 192             print_error("Verification error: {0}".format(e))
 193             print_msg(False)
 194
 195
 196     def mktx(self, to_address, amount, fee, change_addr, from_addr, password = None):
 197
 198         for k, v in self.wallet.labels.items():
 199             if v == to_address:
 200                 to_address = k
 201                 print_msg("alias", to_address)
 202                 break
 203             if change_addr and v == change_addr:
 204                 change_addr = k
 205
 206         amount = int(10000000*amount)
 207         if fee: fee = int(10000000*fee)
 208         tx = self.wallet.mktx( [(to_address, amount)], password, fee , change_addr, from_addr)
 209
 210         out = {"hex":str(tx), "complete":tx.is_complete}
 211         if not tx.is_complete:
 212             out['input_info'] = repr(tx.input_info).replace(' ','')
 213         print_json(out)
 214
 215
 216     def payto(self, to_address, amount, fee, change_addr, from_addr, password = None):
 217
 218         amount = int(10000000*amount)
 219         if fee: fee = int(10000000*fee)
 220         tx = self.wallet.mktx( [(to_address, amount)], password, fee, change_addr, from_addr )
 221         r, h = wallet.sendtx( tx )
 222         print_msg(h)
 223
 224
 225     def history(self):
 226         import datetime
 227         balance = 0
 228         for item in self.wallet.get_tx_history():
 229             tx_hash, conf, is_mine, value, fee, balance, timestamp = item
 230             try:
 231                 time_str = datetime.datetime.fromtimestamp( timestamp).isoformat(' ')[:-3]
 232             except:
 233                 time_str = "----"
 234
 235             label, is_default_label = self.wallet.get_label(tx_hash)
 236             if not label: label = tx_hash
 237             else: label = label + ' '*(64 - len(label) )
 238
 239             print_msg("%17s"%time_str, "  " + label + "  " + format_satoshis(value)+ "  "+ format_satoshis(balance))
 240         print_msg("# balance: ", format_satoshis(balance))
 241
 242
 243     def setlabel(self, tx, label):
 244         self.wallet.labels[tx] = label
 245         self.wallet.save()
 246
 247
 248     def contacts(self):
 249         c = {}
 250         for addr in self.wallet.addressbook:
 251             c[addr] = self.wallet.labels.get(addr)
 252         print_json(c)
 253