def get_address_from_input_script(bytes):
try:
decoded = [x for x in script_GetOp(bytes)]
except:
# coinbase transactions raise an exception
return [], [], None
# non-generated TxIn transactions push a signature
# (seventy-something bytes) and then their public key
# (33 or 65 bytes) onto the stack:
match = [opcodes.OP_PUSHDATA4, opcodes.OP_PUSHDATA4]
if match_decoded(decoded, match):
return None, None, public_key_to_pubkey_address(decoded[1][1])
# p2sh transaction, 2 of n
match = [opcodes.OP_0]
while len(match) < len(decoded):
match.append(opcodes.OP_PUSHDATA4)
if match_decoded(decoded, match):
redeemScript = decoded[-1][1]
num = len(match) - 2
signatures = map(lambda x: x[1].encode('hex'), decoded[1:-1])
dec2 = [x for x in script_GetOp(redeemScript)]
# 2 of 2
match2 = [
opcodes.OP_NAME_FIRSTUPDATE, opcodes.OP_PUSHDATA4,
opcodes.OP_PUSHDATA4, opcodes.OP_NAME_FIRSTUPDATE,
opcodes.OP_CHECKMULTISIG
]
if match_decoded(dec2, match2):
pubkeys = [dec2[1][1].encode('hex'), dec2[2][1].encode('hex')]
return pubkeys, signatures, hash_160_to_script_address(
hash_160(redeemScript))
# 2 of 3
match2 = [
opcodes.OP_NAME_FIRSTUPDATE, opcodes.OP_PUSHDATA4,
opcodes.OP_PUSHDATA4, opcodes.OP_PUSHDATA4, opcodes.OP_NAME_UPDATE,
opcodes.OP_CHECKMULTISIG
]
if match_decoded(dec2, match2):
pubkeys = [
dec2[1][1].encode('hex'), dec2[2][1].encode('hex'),
dec2[3][1].encode('hex')
]
return pubkeys, signatures, hash_160_to_script_address(
hash_160(redeemScript))
return [], [], None
def get_address_from_input_script(bytes):
try:
decoded = [x for x in script_GetOp(bytes)]
except:
# coinbase transactions raise an exception
return [], [], None
# non-generated TxIn transactions push a signature
# (seventy-something bytes) and then their public key
# (33 or 65 bytes) onto the stack:
match = [opcodes.OP_PUSHDATA4, opcodes.OP_PUSHDATA4]
if match_decoded(decoded, match):
return None, None, public_key_to_pubkey_address(decoded[1][1])
# p2sh transaction, 2 of n
match = [opcodes.OP_0]
while len(match) < len(decoded):
match.append(opcodes.OP_PUSHDATA4)
if match_decoded(decoded, match):
redeemScript = decoded[-1][1]
num = len(match) - 2
signatures = map(lambda x: x[1].encode("hex"), decoded[1:-1])
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):
pubkeys = [dec2[1][1].encode("hex"), dec2[2][1].encode("hex")]
return pubkeys, signatures, hash_160_to_script_address(hash_160(redeemScript))
# 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):
pubkeys = [dec2[1][1].encode("hex"), dec2[2][1].encode("hex"), dec2[3][1].encode("hex")]
return pubkeys, signatures, hash_160_to_script_address(hash_160(redeemScript))
return [], [], None
def get_address_input_script(bytes):
try:
decoded = [x for x in script_GetOp(bytes)]
except:
# coinbase transactions raise an exception
return [], [], None
match = [opcodes.OP_PUSHDATA4, opcodes.OP_PUSHDATA4]
if match_decoded(decoded, match):
return None, None, public_key_to_pubkey_address(decoded[1][1])
# p2sh transaction, 2 of n
match = [opcodes.OP_0]
while len(match) < len(decoded):
match.append(opcodes.OP_PUSHDATA4)
if match_decoded(decoded, match):
redeemScript = decoded[-1][1]
num = len(match) - 2
signatures = map(lambda x: x[1].encode('hex'), decoded[1:-1])
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):
pubkeys = [dec2[1][1].encode('hex'), dec2[2][1].encode('hex')]
return pubkeys, signatures, hash_160_to_script_address(
hash_160(redeemScript))
# 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):
pubkeys = [
dec2[1][1].encode('hex'), dec2[2][1].encode('hex'),
dec2[3][1].encode('hex')
]
return pubkeys, signatures, hash_160_to_script_address(
hash_160(redeemScript))
return [], [], None
def get_address_from_output_script(bytes):
try:
decoded = [ x for x in script_GetOp(bytes) ]
except:
return None
# The Genesis Block, self-payments, and pay-by-IP-address payments look like:
# 65 BYTES:... CHECKSIG
match = [opcodes.OP_PUSHDATA4, opcodes.OP_CHECKSIG]
if match_decoded(decoded, match):
return public_key_to_pubkey_address(decoded[0][1])
# coins sent to black hole
# DUP HASH160 20 BYTES:... EQUALVERIFY CHECKSIG
match = [opcodes.OP_DUP, opcodes.OP_HASH160, opcodes.OP_0, opcodes.OP_EQUALVERIFY, opcodes.OP_CHECKSIG]
if match_decoded(decoded, match):
return None
# 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_pubkey_address(decoded[2][1])
# strange tx
match = [opcodes.OP_DUP, opcodes.OP_HASH160, opcodes.OP_PUSHDATA4, opcodes.OP_EQUALVERIFY, opcodes.OP_CHECKSIG, opcodes.OP_NOP]
if match_decoded(decoded, match):
return hash_160_to_pubkey_address(decoded[2][1])
# p2sh
match = [ opcodes.OP_HASH160, opcodes.OP_PUSHDATA4, opcodes.OP_EQUAL ]
if match_decoded(decoded, match):
addr = hash_160_to_script_address(decoded[1][1])
return addr
# name new
match = [ opcodes.OP_NAME_NEW, opcodes.OP_PUSHDATA4, opcodes.OP_2DROP, opcodes.OP_DUP, opcodes.OP_HASH160, opcodes.OP_PUSHDATA4, opcodes.OP_EQUALVERIFY, opcodes.OP_CHECKSIG ]
if match_decoded(decoded, match):
addr = hash_160_to_pubkey_address(decoded[5][1])
return addr
# name firstupdate
match = [ opcodes.OP_NAME_FIRSTUPDATE, opcodes.OP_PUSHDATA4, opcodes.OP_PUSHDATA4, opcodes.OP_PUSHDATA4, opcodes.OP_2DROP, opcodes.OP_2DROP, opcodes.OP_DUP, opcodes.OP_HASH160, opcodes.OP_PUSHDATA4, opcodes.OP_EQUALVERIFY, opcodes.OP_CHECKSIG ]
if match_decoded(decoded, match):
addr = hash_160_to_pubkey_address(decoded[8][1])
return addr
# name update
match = [ opcodes.OP_NAME_UPDATE, opcodes.OP_PUSHDATA4, opcodes.OP_PUSHDATA4, opcodes.OP_2DROP, opcodes.OP_DROP, opcodes.OP_DUP, opcodes.OP_HASH160, opcodes.OP_PUSHDATA4, opcodes.OP_EQUALVERIFY, opcodes.OP_CHECKSIG ]
if match_decoded(decoded, match):
addr = hash_160_to_pubkey_address(decoded[7][1])
return addr
return None
def try_output_matches(decoded, matches):
for ops, data_format, address_index in matches:
if match_decoded(decoded, ops):
if data_format is None:
return None
elif data_format == 'pubkey':
return public_key_to_pubkey_address(decoded[address_index][1])
elif data_format == 'hash160p2pkh':
return hash_160_to_pubkey_address(decoded[address_index][1])
elif data_format == 'hash160p2sh':
return hash_160_to_script_address(decoded[address_index][1])
return None
def try_output_matches(decoded, matches):
for ops, data_format, address_index in matches:
if match_decoded(decoded, ops):
if data_format is None:
return None
elif data_format == 'pubkey':
return public_key_to_pubkey_address(decoded[address_index][1])
elif data_format == 'hash160p2pkh':
return hash_160_to_pubkey_address(decoded[address_index][1])
elif data_format == 'hash160p2sh':
return hash_160_to_script_address(decoded[address_index][1])
return None
def get_address_from_output_script(_bytes):
try:
decoded = [x for x in list(script_GetOp(_bytes))]
except Exception:
return None
# The Genesis Block, self-payments,
# and pay-by-IP-address payments look like:
# 65 BYTES:... CHECKSIG
match = [opcodes.OP_PUSHDATA4, opcodes.OP_CHECKSIG]
if match_decoded(decoded, match):
return public_key_to_pubkey_address(decoded[0][1])
# coins sent to black hole
# DUP HASH160 20 BYTES:... EQUALVERIFY CHECKSIG
match = [
opcodes.OP_DUP, opcodes.OP_HASH160, opcodes.OP_0,
opcodes.OP_EQUALVERIFY, opcodes.OP_CHECKSIG
]
if match_decoded(decoded, match):
return None
# 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_pubkey_address(decoded[2][1])
# strange tx
match = [
opcodes.OP_DUP, opcodes.OP_HASH160, opcodes.OP_PUSHDATA4,
opcodes.OP_EQUALVERIFY, opcodes.OP_CHECKSIG, opcodes.OP_NOP
]
if match_decoded(decoded, match):
return hash_160_to_pubkey_address(decoded[2][1])
# p2sh
match = [opcodes.OP_HASH160, opcodes.OP_PUSHDATA4, opcodes.OP_EQUAL]
if match_decoded(decoded, match):
addr = hash_160_to_script_address(decoded[1][1])
return addr
return None
def get_address_from_output_script(bytes):
try:
decoded = [ x for x in script_GetOp(bytes) ]
except:
return None
r = decode_claim_script(decoded)
if r is not False:
claim_name, claim_value, decoded = r
# The Genesis Block, self-payments, and pay-by-IP-address payments look like:
# 65 BYTES:... CHECKSIG
match = [opcodes.OP_PUSHDATA4, opcodes.OP_CHECKSIG]
if match_decoded(decoded, match):
return public_key_to_pubkey_address(decoded[0][1])
# coins sent to black hole
# DUP HASH160 20 BYTES:... EQUALVERIFY CHECKSIG
match = [opcodes.OP_DUP, opcodes.OP_HASH160, opcodes.OP_0, opcodes.OP_EQUALVERIFY, opcodes.OP_CHECKSIG]
if match_decoded(decoded, match):
return None
# 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_pubkey_address(decoded[2][1])
# strange tx
match = [opcodes.OP_DUP, opcodes.OP_HASH160, opcodes.OP_PUSHDATA4, opcodes.OP_EQUALVERIFY, opcodes.OP_CHECKSIG, opcodes.OP_NOP]
if match_decoded(decoded, match):
return hash_160_to_pubkey_address(decoded[2][1])
# p2sh
match = [ opcodes.OP_HASH160, opcodes.OP_PUSHDATA4, opcodes.OP_EQUAL ]
if match_decoded(decoded, match):
addr = hash_160_to_script_address(decoded[1][1])
return addr
return None