if x_pubkey[0:2] == 'ff':
from account import BIP32_Account
xpub, s = BIP32_Account.parse_xpubkey(x_pubkey)
- pubkey = BIP32_Account.get_pubkey_from_x(xpub, s[0], s[1])
+ pubkey = BIP32_Account.derive_pubkey_from_xpub(xpub, s[0], s[1])
elif x_pubkey[0:2] == 'fe':
from account import OldAccount
mpk, s = OldAccount.parse_xpubkey(x_pubkey)
# payto_pubkey
match = [ opcodes.OP_PUSHDATA4 ]
if match_decoded(decoded, match):
+ sig = decoded[0][1].encode('hex')
+ d['address'] = "(pubkey)"
+ d['signatures'] = [sig]
+ d['num_sig'] = 1
+ d['x_pubkeys'] = ["(pubkey)"]
+ d['pubkeys'] = ["(pubkey)"]
return
# non-generated TxIn transactions push a signature
d['x_pubkeys'] = x_pubkeys
pubkeys = map(parse_xpub, x_pubkeys)
d['pubkeys'] = pubkeys
-
redeemScript = Transaction.multisig_script(pubkeys,2)
d['redeemScript'] = redeemScript
d['address'] = hash_160_to_bc_address(hash_160(redeemScript.decode('hex')), 5)
# 65 BYTES:... CHECKSIG
match = [ opcodes.OP_PUSHDATA4, opcodes.OP_CHECKSIG ]
if match_decoded(decoded, match):
- return True, public_key_to_bc_address(decoded[0][1])
+ return "pubkey:" + decoded[0][1].encode('hex')
# Pay-by-Bitcoin-address TxOuts look like:
# DUP HASH160 20 BYTES:... EQUALVERIFY CHECKSIG
match = [ opcodes.OP_DUP, opcodes.OP_HASH160, opcodes.OP_PUSHDATA4, opcodes.OP_EQUALVERIFY, opcodes.OP_CHECKSIG ]
if match_decoded(decoded, match):
- return False, hash_160_to_bc_address(decoded[2][1])
+ return hash_160_to_bc_address(decoded[2][1])
# p2sh
match = [ opcodes.OP_HASH160, opcodes.OP_PUSHDATA4, opcodes.OP_EQUAL ]
if match_decoded(decoded, match):
- return False, hash_160_to_bc_address(decoded[1][1],5)
+ return hash_160_to_bc_address(decoded[1][1],5)
- return False, "(None)"
+ return "(None)"
class Transaction:
- def __init__(self, raw):
- self.raw = raw
- self.deserialize()
- self.inputs = self.d['inputs']
- self.outputs = self.d['outputs']
- self.outputs = map(lambda x: (x['address'],x['value']), self.outputs)
- self.locktime = self.d['lockTime']
-
def __str__(self):
+ if self.raw is None:
+ self.raw = self.serialize(self.inputs, self.outputs, for_sig = None) # for_sig=-1 means do not sign
return self.raw
- @classmethod
- def from_io(klass, inputs, outputs):
- raw = klass.serialize(inputs, outputs, for_sig = None) # for_sig=-1 means do not sign
- self = klass(raw)
+ def __init__(self, inputs, outputs):
self.inputs = inputs
self.outputs = outputs
- return self
+ self.locktime = 0
+ self.raw = None
+
@classmethod
def sweep(klass, privkeys, network, to_address, fee):
total = sum( map(lambda x:int(x.get('value')), inputs) ) - fee
outputs = [(to_address, total)]
- self = klass.from_io(inputs, outputs)
+ self = klass(inputs, outputs)
self.sign({ pubkey:privkey })
return self
@classmethod
- def serialize( klass, inputs, outputs, for_sig = None ):
+ def serialize(klass, inputs, outputs, for_sig = None ):
s = int_to_hex(1,4) # version
s += var_int( len(inputs) ) # number of inputs
- def deserialize(self):
+ @classmethod
+ def deserialize(klass, raw):
vds = BCDataStream()
- vds.write(self.raw.decode('hex'))
+ vds.write(raw.decode('hex'))
d = {}
start = vds.read_cursor
d['version'] = vds.read_int32()
n_vin = vds.read_compact_size()
d['inputs'] = []
for i in xrange(n_vin):
- d['inputs'].append(self.parse_input(vds))
+ d['inputs'].append(klass.parse_input(vds))
n_vout = vds.read_compact_size()
d['outputs'] = []
for i in xrange(n_vout):
- d['outputs'].append(self.parse_output(vds, i))
+ d['outputs'].append(klass.parse_output(vds, i))
d['lockTime'] = vds.read_uint32()
- self.d = d
- return self.d
-
+ inputs = d['inputs']
+ outputs = map(lambda x: (x['address'], x['value']), d['outputs'])
+
+ self = klass(inputs, outputs)
+ self.raw = raw
+ self.locktime = d['lockTime']
+ return self
+
+ @classmethod
def parse_input(self, vds):
d = {}
prevout_hash = hash_encode(vds.read_bytes(32))
d['prevout_hash'] = prevout_hash
d['prevout_n'] = prevout_n
d['sequence'] = sequence
-
d['pubkeys'] = []
d['signatures'] = {}
d['address'] = None
parse_scriptSig(d, scriptSig)
return d
-
+ @classmethod
def parse_output(self, vds, i):
d = {}
d['value'] = vds.read_int64()
scriptPubKey = vds.read_bytes(vds.read_compact_size())
- is_pubkey, address = get_address_from_output_script(scriptPubKey)
- d['is_pubkey'] = is_pubkey
+ address = get_address_from_output_script(scriptPubKey)
d['address'] = address
d['scriptPubKey'] = scriptPubKey.encode('hex')
d['prevout_n'] = i
return d
- def add_extra_addresses(self, txlist):
+ def add_pubkey_addresses(self, txlist):
for i in self.inputs:
if i.get("address") == "(pubkey)":
prev_tx = txlist.get(i.get('prevout_hash'))
if prev_tx:
- address, value = prev_tx.outputs[i.get('prevout_n')]
+ address, value = prev_tx.get_outputs()[i.get('prevout_n')]
print_error("found pay-to-pubkey address:", address)
i["address"] = address
+ def get_outputs(self):
+ """convert pubkeys to addresses"""
+ o = []
+ for x, v in self.outputs:
+ if bitcoin.is_address(x):
+ addr = x
+ elif x.startswith('pubkey:'):
+ addr = public_key_to_bc_address(x[7:].decode('hex'))
+ else:
+ addr = "(None)"
+ o.append((addr,v))
+ return o
+
+ def get_output_addresses(self):
+ return map(lambda x:x[0], self.get_outputs())
+
+
def has_address(self, addr):
found = False
for txin in self.inputs:
if addr == txin.get('address'):
found = True
break
- for txout in self.outputs:
- if addr == txout[0]:
- found = True
- break
+ if addr in self.get_output_addresses():
+ found = True
+
return found
if not is_send: is_partial = False
- for item in self.outputs:
- addr, value = item
+ for addr, value in self.get_outputs():
v_out += value
if addr in addresses:
v_out_mine += value