Class CTxInWitness

bitcoin/core/__init__.py:273–305

Witness data for a single transaction input

class CTxInWitness(ImmutableSerializable):
    """Witness data for a single transaction input"""
    __slots__ = ['scriptWitness']

    def __init__(self, scriptWitness=CScriptWitness()):
        object.__setattr__(self, 'scriptWitness', scriptWitness)

    def is_null(self):
        return self.scriptWitness.is_null()

    @classmethod
    def stream_deserialize(cls, f):
        scriptWitness = CScriptWitness.stream_deserialize(f)
        return cls(scriptWitness)

    def stream_serialize(self, f):
        self.scriptWitness.stream_serialize(f)

    def __repr__(self):
        return "CTxInWitness(%s)" % (repr(self.scriptWitness))

    @classmethod
    def from_txinwitness(cls, txinwitness):
        """Create an immutable copy of an existing TxInWitness

        If txin is already immutable (txin.__class__ is CTxIn) it is returned
        directly.
        """
        if txinwitness.__class__ is CTxInWitness:
            return txinwitness

        else:
            return cls(txinwitness.scriptWitness)

class CTxWitness(ImmutableSerializable):
    """Witness data for all inputs to a transaction"""