def witness_script(version, pubkey):
if (version == 0):
pubkeyhash = bytes_to_hex_str(ripemd160(sha256(hex_str_to_bytes(pubkey))))
pkscript = "0014" + pubkeyhash
elif (version == 1):
# 1-of-1 multisig
scripthash = bytes_to_hex_str(sha256(hex_str_to_bytes("5121" + pubkey + "51ae")))
pkscript = "0020" + scripthash
else:
assert("Wrong version" == "0 or 1")
return pkscript
def witness_script(version, pubkey):
if (version == 0):
pubkeyhash = bytes_to_hex_str(ripemd160(sha256(hex_str_to_bytes(pubkey))))
pkscript = "0014" + pubkeyhash
elif (version == 1):
# 1-of-1 multisig
scripthash = bytes_to_hex_str(sha256(hex_str_to_bytes("5121" + pubkey + "51ae")))
pkscript = "0020" + scripthash
else:
assert("Wrong version" == "0 or 1")
return pkscript
def create_witnessprogram(version, node, utxo, pubkey, encode_p2sh, amount):
pkscript = witness_script(version, pubkey)
if (encode_p2sh):
p2sh_hash = bytes_to_hex_str(ripemd160(sha256(hex_str_to_bytes(pkscript))))
pkscript = "a914"+p2sh_hash+"87"
inputs = []
outputs = {}
inputs.append({ "txid" : utxo["txid"], "vout" : utxo["vout"]} )
DUMMY_P2SH = convert_btc_address_to_btn("2MySexEGVzZpRgNQ1JdjdP5bRETznm3roQ2") # P2SH of "OP_1 OP_DROP"
outputs[DUMMY_P2SH] = amount
tx_to_witness = node.createrawtransaction(inputs,outputs)
tx_to_witness = tx_to_witness[0:110] + addlength(pkscript) + tx_to_witness[-8:]
return tx_to_witness
def create_witnessprogram(version, node, utxo, pubkey, encode_p2sh, amount):
pkscript = witness_script(version, pubkey);
if (encode_p2sh):
p2sh_hash = bytes_to_hex_str(ripemd160(sha256(hex_str_to_bytes(pkscript))))
pkscript = "a914"+p2sh_hash+"87"
inputs = []
outputs = {}
inputs.append({ "txid" : utxo["txid"], "vout" : utxo["vout"]} )
DUMMY_P2SH = "2MySexEGVzZpRgNQ1JdjdP5bRETznm3roQ2" # P2SH of "OP_1 OP_DROP"
outputs[DUMMY_P2SH] = amount
tx_to_witness = node.createrawtransaction(inputs,outputs)
#replace dummy output with our own
tx_to_witness = tx_to_witness[0:110] + addlength(pkscript) + tx_to_witness[-8:]
return tx_to_witness
def create_witnessprogram(version, node, utxo, pubkey, encode_p2sh, amount):
pkscript = witness_script(version, pubkey);
if (encode_p2sh):
p2sh_hash = bytes_to_hex_str(ripemd160(sha256(hex_str_to_bytes(pkscript))))
pkscript = "a914"+p2sh_hash+"87"
inputs = []
outputs = {}
inputs.append({ "txid" : utxo["txid"], "vout" : utxo["vout"]} )
coinbase = CTransaction()
DUMMY_P2SH = "8poAwF24PZJebPTtKJVyvAdFw1u7hX6uVX" # P2SH of "OP_1 OP_DROP"
outputs[DUMMY_P2SH] = amount
tx_to_witness = node.createrawtransaction(inputs,outputs)
#replace dummy output with our own
tx_to_witness = tx_to_witness[0:110] + addlength(pkscript) + tx_to_witness[-8:]
return tx_to_witness
def create_witnessprogram(version, node, utxo, pubkey, encode_p2sh, amount):
pkscript = witness_script(version, pubkey);
if (encode_p2sh):
p2sh_hash = bytes_to_hex_str(ripemd160(sha256(hex_str_to_bytes(pkscript))))
pkscript = "a914"+p2sh_hash+"87"
inputs = []
outputs = {}
inputs.append({ "txid" : utxo["txid"], "vout" : utxo["vout"]} )
coinbase = CTransaction()
DUMMY_P2SH = "8poAwF24PZJebPTtKJVyvAdFw1u7hX6uVX" # P2SH of "OP_1 OP_DROP"
outputs[DUMMY_P2SH] = amount
tx_to_witness = node.createrawtransaction(inputs,outputs)
#replace dummy output with our own
tx_to_witness = tx_to_witness[0:110] + addlength(pkscript) + tx_to_witness[-8:]
return tx_to_witness
def create_witnessprogram(version, node, utxo, pubkey, encode_p2sh, amount):
pkscript = witness_script(version, pubkey)
if (encode_p2sh):
p2sh_hash = bytes_to_hex_str(
ripemd160(sha256(hex_str_to_bytes(pkscript))))
pkscript = "a914" + p2sh_hash + "87"
inputs = []
outputs = {}
inputs.append({"txid": utxo["txid"], "vout": utxo["vout"]})
DUMMY_P2SH = "rCS26CDBTDXbAJ5bVb63VoTCf8vzA8Z7US" # P2SH of "OP_1 OP_DROP"
outputs[DUMMY_P2SH] = amount
tx_to_witness = node.createrawtransaction(inputs, outputs)
#replace dummy output with our own
tx_to_witness = tx_to_witness[0:110] + addlength(
pkscript) + tx_to_witness[-8:]
return tx_to_witness
def create_witnessprogram(version, node, utxo, pubkey, encode_p2sh, amount):
pkscript = witness_script(version, pubkey)
if (encode_p2sh):
p2sh_hash = bytes_to_hex_str(
ripemd160(sha256(hex_str_to_bytes(pkscript))))
pkscript = "a914" + p2sh_hash + "87"
inputs = []
outputs = {}
inputs.append({"txid": utxo["txid"], "vout": utxo["vout"]})
DUMMY_P2SH = "P4tGp8vqTE2Jf65iNZMxr3LBH8Yzpw1jD3L5" # P2SH of "OP_4"
outputs[DUMMY_P2SH] = amount
tx_to_witness = node.createrawtransaction(inputs, outputs)
#replace dummy output with our own
tx_to_witness = tx_to_witness[0:110] + addlength(
pkscript) + tx_to_witness[-8:]
return tx_to_witness
