# 65 BYTES:... CHECKSIG
match = [ opcodes.OP_PUSHDATA4, opcodes.OP_CHECKSIG ]
if match_decoded(decoded, match):
- return "pubkey:" + decoded[0][1].encode('hex')
+ 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 hash_160_to_bc_address(decoded[2][1])
+ return 'address', 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 hash_160_to_bc_address(decoded[1][1],5)
+ return 'address', hash_160_to_bc_address(decoded[1][1],5)
- return "(None)"
+ return "(None)", "(None)"
+
+
+def parse_input(vds):
+ d = {}
+ prevout_hash = hash_encode(vds.read_bytes(32))
+ prevout_n = vds.read_uint32()
+ scriptSig = vds.read_bytes(vds.read_compact_size())
+ sequence = vds.read_uint32()
+ if prevout_hash == '00'*32:
+ d['is_coinbase'] = True
+ else:
+ d['is_coinbase'] = False
+ d['prevout_hash'] = prevout_hash
+ d['prevout_n'] = prevout_n
+ d['sequence'] = sequence
+ d['pubkeys'] = []
+ d['signatures'] = {}
+ d['address'] = None
+ if scriptSig:
+ parse_scriptSig(d, scriptSig)
+ return d
+
+
+def parse_output(vds, i):
+ d = {}
+ d['value'] = vds.read_int64()
+ scriptPubKey = vds.read_bytes(vds.read_compact_size())
+ type, address = get_address_from_output_script(scriptPubKey)
+ d['type'] = type
+ d['address'] = address
+ d['scriptPubKey'] = scriptPubKey.encode('hex')
+ d['prevout_n'] = i
+ return d
+
+
+def deserialize(raw):
+ vds = BCDataStream()
+ 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(parse_input(vds))
+ n_vout = vds.read_compact_size()
+ d['outputs'] = []
+ for i in xrange(n_vout):
+ d['outputs'].append(parse_output(vds, i))
+ d['lockTime'] = vds.read_uint32()
+ return d
+
+
push_script = lambda x: op_push(len(x)/2) + x
class Transaction:
self.raw = self.serialize(self.inputs, self.outputs, for_sig = None) # for_sig=-1 means do not sign
return self.raw
- def __init__(self, inputs, outputs):
+ def __init__(self, inputs, outputs, locktime=0):
self.inputs = inputs
self.outputs = outputs
- self.locktime = 0
+ self.locktime = locktime
self.raw = None
+ @classmethod
+ def deserialize(klass, raw):
+ self = klass([],[])
+ self.update(raw)
+ return self
+
+ def update(self, raw):
+ d = deserialize(raw)
+ self.raw = raw
+ self.inputs = d['inputs']
+ self.outputs = map(lambda x: (x['type'], x['address'], x['value']), d['outputs'])
+ self.locktime = d['lockTime']
+
@classmethod
def sweep(klass, privkeys, network, to_address, fee):
pubkey = public_key_from_private_key(privkey)
address = address_from_private_key(privkey)
u = network.synchronous_get([ ('blockchain.address.listunspent',[address])])[0]
- pay_script = klass.pay_script(address)
+ pay_script = klass.pay_script('address', address)
for item in u:
item['scriptPubKey'] = pay_script
item['redeemPubkey'] = pubkey
return
total = sum( map(lambda x:int(x.get('value')), inputs) ) - fee
- outputs = [(to_address, total)]
+ outputs = [('address', to_address, total)]
self = klass(inputs, outputs)
self.sign({ pubkey:privkey })
return self
@classmethod
- def pay_script(self, addr):
- if addr.startswith('OP_RETURN:'):
- h = addr[10:].encode('hex')
+ def pay_script(self, type, addr):
+ if type == 'op_return':
+ h = addr.encode('hex')
return '6a' + push_script(h)
+ else:
+ assert type == 'address'
addrtype, hash_160 = bc_address_to_hash_160(addr)
if addrtype == 0:
script = '76a9' # op_dup, op_hash_160
script += push_script(redeem_script)
elif for_sig==i:
- script = txin['redeemScript'] if p2sh else klass.pay_script(address)
+ script = txin['redeemScript'] if p2sh else klass.pay_script('address', address)
else:
script = ''
s += var_int( len(script)/2 ) # script length
s += var_int( len(outputs) ) # number of outputs
for output in outputs:
- addr, amount = output
+ type, addr, amount = output
s += int_to_hex( amount, 8) # amount
- script = klass.pay_script(addr)
+ script = klass.pay_script(type, addr)
s += var_int( len(script)/2 ) # script length
s += script # script
s += int_to_hex(0,4) # lock time
self.raw = self.serialize( self.inputs, self.outputs )
-
- @classmethod
- def deserialize(klass, raw):
- vds = BCDataStream()
- 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(klass.parse_input(vds))
- n_vout = vds.read_compact_size()
- d['outputs'] = []
- for i in xrange(n_vout):
- d['outputs'].append(klass.parse_output(vds, i))
- d['lockTime'] = vds.read_uint32()
-
- 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))
- prevout_n = vds.read_uint32()
- scriptSig = vds.read_bytes(vds.read_compact_size())
- sequence = vds.read_uint32()
-
- if prevout_hash == '00'*32:
- d['is_coinbase'] = True
- else:
- d['is_coinbase'] = False
- d['prevout_hash'] = prevout_hash
- d['prevout_n'] = prevout_n
- d['sequence'] = sequence
- d['pubkeys'] = []
- d['signatures'] = {}
- d['address'] = None
- if scriptSig:
- 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())
- address = get_address_from_output_script(scriptPubKey)
- d['address'] = address
- d['scriptPubKey'] = scriptPubKey.encode('hex')
- d['prevout_n'] = i
- return d
-
-
def add_pubkey_addresses(self, txlist):
for i in self.inputs:
if i.get("address") == "(pubkey)":
def get_outputs(self):
"""convert pubkeys to addresses"""
o = []
- for x, v in self.outputs:
- if bitcoin.is_address(x):
+ for type, x, v in self.outputs:
+ if type == 'address':
addr = x
- elif x.startswith('pubkey:'):
- addr = public_key_to_bc_address(x[7:].decode('hex'))
+ elif type == 'pubkey':
+ addr = public_key_to_bc_address(x.decode('hex'))
else:
addr = "(None)"
o.append((addr,v))
if size >= 10000:
return True
- for o in self.outputs:
+ for o in self.get_outputs():
value = o[1]
if value < 1000000:
return True
git://git.novaco.in / electrum-nvc.git / blobdiff