parse_scriptSig
This commit is contained in:
parent
c07c1c58ed
commit
52e74ccda1
|
@ -295,18 +295,18 @@ def match_decoded(decoded, to_match):
|
|||
return False
|
||||
return True
|
||||
|
||||
def get_address_from_input_script(bytes):
|
||||
def parse_scriptSig(d, bytes):
|
||||
try:
|
||||
decoded = [ x for x in script_GetOp(bytes) ]
|
||||
except Exception:
|
||||
# coinbase transactions raise an exception
|
||||
print_error("cannot find address in input script", bytes.encode('hex'))
|
||||
return [], {}, "(None)"
|
||||
return
|
||||
|
||||
# payto_pubkey
|
||||
match = [ opcodes.OP_PUSHDATA4 ]
|
||||
if match_decoded(decoded, match):
|
||||
return None, {}, "(pubkey)"
|
||||
return
|
||||
|
||||
# non-generated TxIn transactions push a signature
|
||||
# (seventy-something bytes) and then their public key
|
||||
|
@ -317,11 +317,13 @@ def get_address_from_input_script(bytes):
|
|||
pubkey = decoded[1][1].encode('hex')
|
||||
if sig[-2:] == '01':
|
||||
sig = sig[:-2]
|
||||
return [pubkey], {pubkey:sig}, public_key_to_bc_address(pubkey.decode('hex'))
|
||||
d['pubkeys'] = [pubkey]
|
||||
d['signatures'] = {pubkey:sig}
|
||||
d['address'] = public_key_to_bc_address(pubkey.decode('hex'))
|
||||
return
|
||||
else:
|
||||
print_error("cannot find address in input script", bytes.encode('hex'))
|
||||
return [], {}, "(None)"
|
||||
|
||||
return
|
||||
|
||||
# p2sh transaction, 2 of n
|
||||
match = [ opcodes.OP_0 ]
|
||||
|
@ -329,27 +331,25 @@ def get_address_from_input_script(bytes):
|
|||
match.append(opcodes.OP_PUSHDATA4)
|
||||
|
||||
if match_decoded(decoded, match):
|
||||
|
||||
redeemScript = decoded[-1][1]
|
||||
num = len(match) - 2
|
||||
signatures = map(lambda x:x[1][:-1].encode('hex'), decoded[1:-1])
|
||||
|
||||
d['signatures'] = map(lambda x:x[1][:-1].encode('hex'), decoded[1:-1])
|
||||
d['address'] = hash_160_to_bc_address(hash_160(redeemScript), 5)
|
||||
d['redeemScript'] = redeemScript.encode('hex')
|
||||
dec2 = [ x for x in script_GetOp(redeemScript) ]
|
||||
|
||||
# 2 of 2
|
||||
match2 = [ opcodes.OP_2, opcodes.OP_PUSHDATA4, opcodes.OP_PUSHDATA4, opcodes.OP_2, opcodes.OP_CHECKMULTISIG ]
|
||||
if match_decoded(dec2, match2):
|
||||
match_2of2 = [ opcodes.OP_2, opcodes.OP_PUSHDATA4, opcodes.OP_PUSHDATA4, opcodes.OP_2, opcodes.OP_CHECKMULTISIG ]
|
||||
match_2of3 = [ opcodes.OP_2, opcodes.OP_PUSHDATA4, opcodes.OP_PUSHDATA4, opcodes.OP_PUSHDATA4, opcodes.OP_3, opcodes.OP_CHECKMULTISIG ]
|
||||
if match_decoded(dec2, match_2of2):
|
||||
pubkeys = [ dec2[1][1].encode('hex'), dec2[2][1].encode('hex') ]
|
||||
return pubkeys, signatures, hash_160_to_bc_address(hash_160(redeemScript), 5)
|
||||
|
||||
# 2 of 3
|
||||
match2 = [ opcodes.OP_2, opcodes.OP_PUSHDATA4, opcodes.OP_PUSHDATA4, opcodes.OP_PUSHDATA4, opcodes.OP_3, opcodes.OP_CHECKMULTISIG ]
|
||||
if match_decoded(dec2, match2):
|
||||
elif match_decoded(dec2, match_2of3):
|
||||
pubkeys = [ dec2[1][1].encode('hex'), dec2[2][1].encode('hex'), dec2[3][1].encode('hex') ]
|
||||
return pubkeys, signatures, hash_160_to_bc_address(hash_160(redeemScript), 5)
|
||||
else:
|
||||
return
|
||||
d['pubkeys'] = pubkeys
|
||||
return
|
||||
|
||||
print_error("cannot find address in input script", bytes.encode('hex'))
|
||||
return [], {}, "(None)"
|
||||
|
||||
|
||||
|
||||
|
||||
|
@ -626,15 +626,12 @@ class Transaction:
|
|||
d['prevout_hash'] = prevout_hash
|
||||
d['prevout_n'] = prevout_n
|
||||
d['sequence'] = sequence
|
||||
|
||||
d['pubkeys'] = []
|
||||
d['signatures'] = {}
|
||||
d['address'] = None
|
||||
if scriptSig:
|
||||
pubkeys, signatures, address = get_address_from_input_script(scriptSig)
|
||||
else:
|
||||
pubkeys = []
|
||||
signatures = {}
|
||||
address = None
|
||||
d['address'] = address
|
||||
d['pubkeys'] = pubkeys
|
||||
d['signatures'] = signatures
|
||||
parse_scriptSig(d, scriptSig)
|
||||
return d
|
||||
|
||||
|
||||
|
|
Loading…
Reference in New Issue