def get_addresses(self, testnet=False):
""" Returns all addresses found in this script
For output scripts, P2PKH scripts will return a single
address the funds are being sent to. P2SH scripts will
return a single address of the script the funds are being
sent to.
For input scripts, only standard signature and
multi-signature scripts will return results: the
address(es) used to sign. For standard signature scripts,
a single address is returned while for multi-sig scripts,
all n addresses in the redeem script are returned.
Args:
testnet (bool): True if the addresses are being used on testnet,
False if used on mainnet.
Returns:
list: A list of Base58Check encoded bitcoin addresses.
"""
rv = []
# Determine script type
if self.is_p2pkh():
version = self.P2PKH_TESTNET_VERSION if testnet else self.P2PKH_MAINNET_VERSION
rv.append(key_hash_to_address(self.get_hash160(), version))
elif self.is_p2sh():
version = self.P2SH_TESTNET_VERSION if testnet else self.P2SH_MAINNET_VERSION
rv.append(key_hash_to_address(self.get_hash160(), version))
elif self.is_multisig_sig():
# Extract out the info
version = self.P2PKH_TESTNET_VERSION if testnet else self.P2PKH_MAINNET_VERSION
sig_info = self.extract_multisig_sig_info()
redeem_info = sig_info[
'redeem_script'].extract_multisig_redeem_info()
for p in redeem_info['public_keys']:
rv.append(key_hash_to_address(hash160(p), version))
# Also include the address of the redeem script itself.
redeem_version = self.P2SH_TESTNET_VERSION if testnet else self.P2SH_MAINNET_VERSION
rv.append(
key_hash_to_address(sig_info['redeem_script'].hash160(),
redeem_version))
elif self.is_p2pkh_sig():
version = self.P2PKH_TESTNET_VERSION if testnet else self.P2PKH_MAINNET_VERSION
# Normal signature script...
sig_info = self.extract_sig_info()
rv.append(
key_hash_to_address(hash160(sig_info['public_key']), version))
elif Script.validate_template(self, [bytes, 'OP_CHECKSIG']):
version = self.P2PKH_TESTNET_VERSION if testnet else self.P2PKH_MAINNET_VERSION
rv.append(key_hash_to_address(hash160(self[0]), version))
return rv
def get_addresses(self, testnet=False):
""" Returns all addresses found in this script
For output scripts, P2PKH scripts will return a single
address the funds are being sent to. P2SH scripts will
return a single address of the script the funds are being
sent to.
For input scripts, only standard signature and
multi-signature scripts will return results: the
address(es) used to sign. For standard signature scripts,
a single address is returned while for multi-sig scripts,
all n addresses in the redeem script are returned.
Args:
testnet (bool): True if the addresses are being used on testnet,
False if used on mainnet.
Returns:
list: A list of Base58Check encoded bitcoin addresses.
"""
rv = []
# Determine script type
if self.is_p2pkh():
version = self.P2PKH_TESTNET_VERSION if testnet else self.P2PKH_MAINNET_VERSION
rv.append(key_hash_to_address(self.get_hash160(), version))
elif self.is_p2sh():
version = self.P2SH_TESTNET_VERSION if testnet else self.P2SH_MAINNET_VERSION
rv.append(key_hash_to_address(self.get_hash160(), version))
elif self.is_multisig_sig():
# Extract out the info
version = self.P2PKH_TESTNET_VERSION if testnet else self.P2PKH_MAINNET_VERSION
sig_info = self.extract_multisig_sig_info()
redeem_info = sig_info['redeem_script'].extract_multisig_redeem_info()
for p in redeem_info['public_keys']:
rv.append(key_hash_to_address(hash160(p), version))
# Also include the address of the redeem script itself.
redeem_version = self.P2SH_TESTNET_VERSION if testnet else self.P2SH_MAINNET_VERSION
rv.append(key_hash_to_address(sig_info['redeem_script'].hash160(), redeem_version))
elif self.is_p2pkh_sig():
version = self.P2PKH_TESTNET_VERSION if testnet else self.P2PKH_MAINNET_VERSION
# Normal signature script...
sig_info = self.extract_sig_info()
rv.append(key_hash_to_address(hash160(sig_info['public_key']),
version))
elif Script.validate_template(self, [bytes, 'OP_CHECKSIG']):
version = self.P2PKH_TESTNET_VERSION if testnet else self.P2PKH_MAINNET_VERSION
rv.append(key_hash_to_address(hash160(self[0]), version))
return rv
def hash160(self):
""" Return the RIPEMD-160 hash of the SHA-256 hash of the
script.
Returns:
bytes: RIPEMD-160 byte string.
"""
return hash160(bytes(self))
def hash160(self):
""" Return the RIPEMD-160 hash of the SHA-256 hash of the
script.
Returns:
bytes: RIPEMD-160 byte string.
"""
return hash160(bytes(self))
def _op_hash160(self):
""" The input is hashed twice: first with SHA-256 and then
with RIPEMD-160.
"""
self._check_stack_len(1)
x = self._stack.pop()
self._stack.append(utils.hash160(x))
def _op_hash160(self):
""" The input is hashed twice: first with SHA-256 and then
with RIPEMD-160.
"""
self._check_stack_len(1)
x = self._stack.pop()
self._stack.append(utils.hash160(x))
def hash160(self):
""" Return the RIPEMD-160 hash of the SHA-256 hash of a
multisig redeem script.
Returns
bytes: RIPEMD-160 byte string or b"" if this script
is not a multisig redeem script.
"""
rv = b""
if self.is_multisig_redeem():
rv = hash160(bytes(self))
return rv
