Method from_tx

bitcoin/core/__init__.py:424–434

Create an immutable copy of a pre-existing transaction If tx is already immutable (tx.__class__ is CTransaction) then it will be returned directly.

(cls, tx)

    @classmethod
    def from_tx(cls, tx):
        """Create an immutable copy of a pre-existing transaction

        If tx is already immutable (tx.__class__ is CTransaction) then it will
        be returned directly.
        """
        if tx.__class__ is CTransaction:
            return tx

        else:
            return cls(tx.vin, tx.vout, tx.nLockTime, tx.nVersion, tx.wit)

    def GetTxid(self):
        """Get the transaction ID.