def main():
# all from the same private key
prv = ec.PrivateKey.from_wif(
"L2e5y14ZD3U1J7Yr62t331RtYe2hRW2TBBP8qNQHB8nSPBNgt6dM")
pub = prv.get_public_key()
print("Public key:")
print(hexlify(pub.serialize()))
# we will generate regtest addresses
network = NETWORKS['regtest']
print("Legacy (pay to pubkey hash):")
sc = script.p2pkh(pub)
# default network is main
print(sc.address(network))
print("Segwit (pay to witness pubkey hash):")
sc = script.p2wpkh(pub)
print(sc.address(network))
print("Nested segwit (p2sh-p2wpkh):")
sc = script.p2sh(script.p2wpkh(pub))
print(sc.address(network))
print("\nMiltisig address (2 of 3):")
# unsorted
pubs = [
ec.PublicKey.parse(
unhexlify(
"02edd7a58d2ff1e483d35f92a32e53607423f936b29bf95613cab24b0b7f92e0f1"
)),
ec.PublicKey.parse(
unhexlify(
"03a4a6d360acc45cb281e0022b03218fad6ee93881643488ae39d22b854d9fa261"
)),
ec.PublicKey.parse(
unhexlify(
"02e1fdc3b011effbba4b0771eb0f7193dee24cfe101ab7e8b64516d83f7116a615"
)),
]
# 2 of 3 multisig script
sc = script.multisig(2, pubs)
print("Legacy, unsorted (p2sh):")
redeem_sc = script.p2sh(sc)
print(redeem_sc.address(network))
print("Native segwit, sorted (p2wsh):")
sc = script.multisig(2, sorted(pubs))
witness_sc = script.p2wsh(sc)
print(witness_sc.address(network))
print("Nested segwit, sorted (p2sh-p2wsh):")
sc = script.multisig(2, sorted(pubs))
witness_sc = script.p2wsh(sc)
redeem_sc = script.p2sh(witness_sc)
print(redeem_sc.address(network))
def witness_script(self, derivation):
"""Derivation should be an array of two ints: [change 0 or 1, index]"""
if len(derivation) != 2:
raise ScriptError("Derivation should be of len 2")
change, idx = derivation
if change not in [0, 1] or idx < 0:
raise ScriptError("Invalid change or index")
# derive and get public keys
pubs = [
key.derive([change, idx]).get_public_key() for key in self.keys
]
if self.sort_keys:
pubs = sorted(pubs)
return script.multisig(self.sigs_required, pubs)
def multi(*args):
return script.multisig(args[0], args[1:])
