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electrum-bitcoinprivate
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sweep command (does not broadcast)

This commit is contained in:
ThomasV 2014-04-25 17:23:26 +02:00
parent 9723a5e9ec
commit e552930d34
2 changed files with 36 additions and 14 deletions
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16
lib/commands.py
View File

@ -102,6 +102,7 @@ register_command('verifymessage', 3,-1, False, False, False, 'Verifies a
register_command('daemon', 1, 1, True, False, False, '<stop|status>')
register_command('getproof', 1, 1, True, False, False, 'get merkle proof', 'getproof <address>')
register_command('getutxoaddress', 2, 2, True, False, False, 'get the address of an unspent transaction output','getutxoaddress <txid> <pos>')
register_command('sweep', 2, 3, True, False, False, 'Sweep a private key.', 'sweep privkey addr [fee]')
@ -262,6 +263,21 @@ class Commands:
return out
def sweep(self, privkey, to_address, fee = 0.0001):
pubkey = public_key_from_private_key(privkey)
address = address_from_private_key(privkey)
pay_script = Transaction.pay_script(address)
unspent = self.network.synchronous_get([ ('blockchain.address.listunspent',[address])])[0]
if not unspent:
return
total = sum( map(lambda x:int(x.get('value')), unspent) ) - int(Decimal(fee)*100000000)
inputs = map(lambda i: {'prevout_hash': i['tx_hash'], 'prevout_n':i['tx_pos'], 'scriptPubKey':pay_script, 'redeemPubkey':pubkey}, unspent)
outputs = [(to_address, total)]
tx = Transaction.from_io(inputs, outputs)
tx.sign({ pubkey:privkey })
return tx
def signmessage(self, address, message):
return self.wallet.sign_message(address, message, self.password)

34
lib/transaction.py
View File

@ -425,6 +425,25 @@ class Transaction:
return s
@classmethod
def pay_script(self, addr):
addrtype, hash_160 = bc_address_to_hash_160(addr)
if addrtype == 0:
script = '76a9' # op_dup, op_hash_160
script += '14' # push 0x14 bytes
script += hash_160.encode('hex')
script += '88ac' # op_equalverify, op_checksig
elif addrtype == 5:
script = 'a9' # op_hash_160
script += '14' # push 0x14 bytes
script += hash_160.encode('hex')
script += '87' # op_equal
else:
raise
return script
@classmethod
def serialize( klass, inputs, outputs, for_sig = None ):
@ -475,20 +494,7 @@ class Transaction:
for output in outputs:
addr, amount = output
s += int_to_hex( amount, 8) # amount
addrtype, hash_160 = bc_address_to_hash_160(addr)
if addrtype == 0:
script = '76a9' # op_dup, op_hash_160
script += '14' # push 0x14 bytes
script += hash_160.encode('hex')
script += '88ac' # op_equalverify, op_checksig
elif addrtype == 5:
script = 'a9' # op_hash_160
script += '14' # push 0x14 bytes
script += hash_160.encode('hex')
script += '87' # op_equal
else:
raise
script = klass.pay_script(addr)
s += var_int( len(script)/2 ) # script length
s += script # script
s += int_to_hex(0,4) # lock time