Function invalidate_nulldummy_tx

test/functional/feature_nulldummy.py:38–43

Transform a NULLDUMMY compliant tx (i.e. scriptSig starts with OP_0) to be non-NULLDUMMY compliant by replacing the dummy with OP_TRUE

(tx)

NULLDUMMY_ERROR = "mempool-script-verify-flag-failed (Dummy CHECKMULTISIG argument must be zero)"

def invalidate_nulldummy_tx(tx):
    """Transform a NULLDUMMY compliant tx (i.e. scriptSig starts with OP_0)
    to be non-NULLDUMMY compliant by replacing the dummy with OP_TRUE"""
    assert_equal(tx.vin[0].scriptSig[0], OP_0)
    tx.vin[0].scriptSig = bytes([OP_TRUE]) + tx.vin[0].scriptSig[1:]
    tx.rehash()


class NULLDUMMYTest(BitcoinTestFramework):