Class CTxInWitness

test/functional/test_framework/messages.py:679–727

class CTxInWitness:
    __slots__ = ("scriptWitness", "vchIssuanceAmountRangeproof",
                 "vchInflationKeysRangeproof", "peginWitness")

    def __init__(self):
        self.vchIssuanceAmountRangeproof = b''
        self.vchInflationKeysRangeproof = b''
        self.scriptWitness = CScriptWitness()
        self.peginWitness = CScriptWitness()

    def deserialize(self, f):
        self.vchIssuanceAmountRangeproof = deser_string(f)
        self.vchInflationKeysRangeproof = deser_string(f)
        self.scriptWitness.stack = deser_string_vector(f)
        self.peginWitness.stack = deser_string_vector(f)

    def serialize(self):
        r = b''
        r += ser_string(self.vchIssuanceAmountRangeproof)
        r += ser_string(self.vchInflationKeysRangeproof)
        r += ser_string_vector(self.scriptWitness.stack)
        r += ser_string_vector(self.peginWitness.stack)
        return r

    # Used in taproot sighash calculation
    def serialize_issuance_proofs(self):
        r = b''
        r += ser_string(self.vchIssuanceAmountRangeproof)
        r += ser_string(self.vchInflationKeysRangeproof)
        return r

    def calc_witness_hash(self):
        leaves = [
            hash256(ser_string(self.vchIssuanceAmountRangeproof))[::-1].hex(),
            hash256(ser_string(self.vchInflationKeysRangeproof))[::-1].hex(),
            hash256(ser_string_vector(self.scriptWitness.stack))[::-1].hex(),
            hash256(ser_string_vector(self.peginWitness.stack))[::-1].hex()
        ]
        return calcfastmerkleroot(leaves)

    def __repr__(self):
        return "CTxInWitness (%s, %s, %s %s)" % (self.vchIssuanceAmountRangeproof,
            self.vchInflationKeysRangeproof, self.scriptWitness, self.peginWitness)

    def is_null(self):
        return len(self.vchIssuanceAmountRangeproof) == 0 \
            and len(self.vchInflationKeysRangeproof) == 0 \
            and self.peginWitness.is_null() \
            and self.scriptWitness.is_null()


class CTxOutWitness: