Class CMutableTxIn

bitcoin/core/__init__.py:193–211

A mutable CTxIn

@__make_mutable
class CMutableTxIn(CTxIn):
    """A mutable CTxIn"""
    __slots__ = []

    def __init__(self, prevout=None, scriptSig=CScript(), nSequence = 0xffffffff):
        if not (0 <= nSequence <= 0xffffffff):
            raise ValueError('CTxIn: nSequence must be an integer between 0x0 and 0xffffffff; got %x' % nSequence)
        self.nSequence = nSequence

        if prevout is None:
            prevout = CMutableOutPoint()
        self.prevout = prevout
        self.scriptSig = scriptSig

    @classmethod
    def from_txin(cls, txin):
        """Create a fully mutable copy of an existing TxIn"""
        prevout = CMutableOutPoint.from_outpoint(txin.prevout)
        return cls(prevout, txin.scriptSig, txin.nSequence)


class CTxOut(ImmutableSerializable):