def get_scriptsig(*args, **kwargs):
"""Return scriptSig for 'txid:index'"""
if len(args) == 1 and ':' in args[0]:
txid, vout = args[0].split(':')
elif len(args) == 2 and args[0][:8] == '01000000' and str(args[1]).isdigit():
txh, vout = args[0], int(args[1])
network = kwargs.get('network', 'btc')
try: txo = deserialize(fetchtx(txid, network))
except: txo = deserialize(txh)
scriptsig = reduce(access, ["ins", vout, "script"], txo)
return scriptsig
def get_scriptpubkey(*args, **kwargs):
"""Return scriptPubKey for 'txid:index'"""
# TODO: can use biteasy to retrieve a Tx's SPK
if len(args) == 1 and ':' in args[0]:
txid, vout = args[0].split(':')
elif len(args) == 2 and args[0][:8] == '01000000' and str(args[1]).isdigit():
txh, vout = args[0], int(args[1])
network = kwargs.get('network', 'btc')
try: txo = deserialize(fetchtx(txid, network))
except: txo = deserialize(txh)
script_pubkey = reduce(access, ["outs", vout, "script"], txo)
return script_pubkey
def get_script(*args, **kwargs):
# last param can be 'ins', 'outs'
if args[-1] in ("ins", "outs"):
source = str(args[-1])
args = args[:-1]
else: source = None
if isinstance(args[0], str) and ':' in args[0]:
txid, vout = args[0].split(':')
elif (len(args) == 2 and not source) or len(args) == 3:
txh, vout = str(args[0]), int(args[1])
network = kwargs.get('network', 'btc')
try: txo = deserialize(fetchtx(txid, network))
except: txo = deserialize(txh)
if source is None:
scriptsig, script_pk = [], []
for inp in txo['ins']:
scriptsig.append(inp['script'])
for outp in txo['outs']:
script_pk.append(inp['script'])
return {'ins': scriptsig, 'outs': script_pk}
return access(txo, "ins")[vout]['script'] if source == 'ins' else access(txo, "outs")[vout]['script']
def get_script(*args, **kwargs):
"""Extract scripts from txhex; specify 'ins' or 'outs', otherwise default is both"""
from bitcoin.bci import set_network
if len(args) > 1 and args[-1] in ("ins", "outs", "both"):
source = args[-1]
args = args[:-1]
else:
source = "both"
if is_inp(args[0]):
txid, vout = args[0].split(':')
network = set_network(txid) if not kwargs.get(
'network', None) else kwargs.get('network')
txo = deserialize(fetchtx(txid, network)) # try fetching txi
elif len(args) == 3 and source != 'both':
txhex, vout = str(args[0]), int(args[1])
txo = deserialize(txhex)
elif len(args) == 2 and source == 'both':
txhex, vout = str(args[0]), None
txo = deserialize(txhex)
elif (1 <= len(args) <= 2) and is_txhex(args[0]): # for no vout
txo = deserialize(args[0])
vout = None
scriptsig, script_pk = [], []
for inp in txo['ins']:
scriptsig.append(inp['script'])
for outp in txo['outs']:
script_pk.append(outp['script'])
if source == 'ins': # return scriptsig
return scriptsig if not vout else scriptsig[int(vout)]
elif source == 'outs': # return scriptpubkey
return script_pk if not vout else script_pk[int(vout)]
elif source == 'both': # return BOTH ins & outs
return {'ins': scriptsig, 'outs': script_pk}
else:
raise Exception(
"Bad source {0} type: choose 'ins', 'outs' or 'both'".format(
source))
def get_script(*args, **kwargs):
"""Extract scripts from txhex; specify 'ins' or 'outs', otherwise default is both"""
from bitcoin.bci import set_network
if len(args) > 1 and args[-1] in ("ins", "outs", "both"):
source = args[-1]
args = args[:-1]
else:
source = "both"
if is_inp(args[0]):
txid, vout = args[0].split(':')
network = set_network(txid) if not kwargs.get('network', None) else kwargs.get('network')
txo = deserialize(fetchtx(txid, network)) # try fetching txi
elif len(args) == 3 and source != 'both':
txhex, vout = str(args[0]), int(args[1])
txo = deserialize(txhex)
elif len(args) == 2 and source == 'both':
txhex, vout = str(args[0]), None
txo = deserialize(txhex)
elif (1<= len(args) <= 2) and is_txhex(args[0]): # for no vout
txo = deserialize(args[0])
vout = None
scriptsig, script_pk = [], []
for inp in txo['ins']:
scriptsig.append(inp['script'])
for outp in txo['outs']:
script_pk.append(outp['script'])
if source == 'ins': # return scriptsig
return scriptsig if not vout else scriptsig[int(vout)]
elif source == 'outs': # return scriptpubkey
return script_pk if not vout else script_pk[int(vout)]
elif source == 'both': # return BOTH ins & outs
return {'ins': scriptsig, 'outs': script_pk}
else:
raise Exception("Bad source {0} type: choose 'ins', 'outs' or 'both'".format(source))
