Deploy time-locked BTC transaction

deployBTCtimeLock.py

from bitcoinutils.setup import setup
from bitcoinutils.utils import to_satoshis
from bitcoinutils.transactions import Transaction, TxInput, TxOutput
from bitcoinutils.keys import PrivateKey, P2wshAddress, P2wpkhAddress
from bitcoinutils.script import Script


def main():
    # always remember to setup the network
    setup('testnet')

    lockPriv = PrivateKey("TODO")
    lockPub = lockPriv.get_public_key()

    print(lockPub.to_hex())

    alicePriv = PrivateKey("TODO")
    alicePub = alicePriv.get_public_key()

    # TODO: set values for input tx (P2WPKH)
    txid = '495d504eadc55f33f755e04c8c6692d64333d82214d476a5481f6c67c5e89d73'
    vout = 1
    amount = 0.00002000
    fee = 0.00000125
    locktime = '10edba65'

    # lock script:
    lock_redeem_script = Script(
        [ locktime,
          'OP_CHECKLOCKTIMEVERIFY',
          'OP_DROP',
          lockPub.to_hex(),
          'OP_CHECKSIG',
        ]
    )
    toaddress = P2wshAddress.from_script(lock_redeem_script)

    # create transaction input from tx id of utxo
    txin = TxInput(txid, vout)
    redeem_script1 = Script(
        ['OP_DUP', 'OP_HASH160', alicePub.to_hash160(), 'OP_EQUALVERIFY', 'OP_CHECKSIG'])

    # create transaction output
    txout = TxOutput(to_satoshis(amount - fee), toaddress.to_script_pub_key())

    # create transaction
    tx = Transaction([txin], [txout], has_segwit=True)

    print("\nraw transaction (no witness data):\n" + tx.serialize())

    sig1 = alicePriv.sign_segwit_input(tx, 0, redeem_script1, to_satoshis(amount))
    tx.witnesses.append(Script([sig1, alicePub.to_hex()]))

    # print raw signed transaction ready to be broadcasted
    print("\nRaw signed transaction:\n" + tx.serialize())

    print("\nTxId:", tx.get_txid())

    #import hashlib
    #lock_redeem_script_bytes = bytes.fromhex(lock_redeem_script.to_hex())
    #sha256_hash = hashlib.sha256(lock_redeem_script_bytes)
    #hash_bytes = sha256_hash.digest()
    #hash_hex_string = hash_bytes.hex()
    #print('\n\nWitness script', lock_redeem_script.to_hex())
    #print('SHA-256 Hash:', hash_hex_string)

if __name__ == "__main__":
    main()