def make_wrapped_segwit_address(cls, address_pubkey) -> CCoinAddress:
redeem_script = cls.make_wrapped_segwit_redeem_script(address_pubkey)
redeem_script_hash = Hash160(redeem_script)
script_pubkey = CScript([OP_HASH160, redeem_script_hash, OP_EQUAL])
return P2SHAddress.from_scriptPubKey(script_pubkey)
# classes. mypy does cannot know about dynamic class dispatch.
input_tx = CElementsTransaction.deserialize(x(f.readline().rstrip()))
# Read in the key, expected to be in WIF format.
with open(sys.argv[2]) as f:
key = CCoinKey(f.readline().rstrip())
# Read in the unblinding key, expected to be in HEX format.
with open(sys.argv[3]) as f:
bkey = CCoinKey.from_secret_bytes(x(f.readline().rstrip()))
dst_addr = CElementsAddress(sys.argv[4])
# Construct P2SH_P2WPKH address from the loaded key
spk = CScript([0, Hash160(key.pub)]).to_p2sh_scriptPubKey()
src_addr = P2SHCoinAddress.from_scriptPubKey(spk)
sys.stderr.write(
'\nSearching for ouptut with address {}\n'.format(src_addr))
utxo = None
fee_asset = None
# Search for output in the transaction that spends to the address that
# we have. We are going to spend the first output that we find.
for in_n, in_vout in enumerate(input_tx.vout):
if utxo is None and in_vout.scriptPubKey == src_addr.to_scriptPubKey():
utxo = in_vout
utxo_n = in_n
if in_vout.is_fee():
assert fee_asset is None or fee_asset == in_vout.nAsset,\
"expecting only one fee asset"