Function create_witness_tx

test/functional/test_framework/blocktools.py:239–252

Return a transaction (in hex) that spends the given utxo to a segwit output. Optionally wrap the segwit output using P2SH.

(node, use_p2wsh, utxo, pubkey, encode_p2sh, amount)

    return pkscript.hex()

def create_witness_tx(node, use_p2wsh, utxo, pubkey, encode_p2sh, amount):
    """Return a transaction (in hex) that spends the given utxo to a segwit output.

    Optionally wrap the segwit output using P2SH."""
    if use_p2wsh:
        program = keys_to_multisig_script([pubkey])
        addr = script_to_p2sh_p2wsh(program) if encode_p2sh else script_to_p2wsh(program)
    else:
        addr = key_to_p2sh_p2wpkh(pubkey) if encode_p2sh else key_to_p2wpkh(pubkey)
    if not encode_p2sh:
        assert_equal(node.getaddressinfo(addr)['scriptPubKey'], witness_script(use_p2wsh, pubkey))
    if "amount" not in utxo:
        utxo["amount"] = node.gettxout(utxo["txid"], utxo["vout"])["value"]
    return node.createrawtransaction([utxo], [{addr: amount}, {"fee": utxo["amount"]-amount}])

def send_to_witness(use_p2wsh, node, utxo, pubkey, encode_p2sh, amount, sign=True, insert_redeem_script=""):
    """Create a transaction spending a given utxo to a segwit output.