this is a regression from #5721 Removed the `TxInput.is_coinbase` method as I think it is a confusing API, instead we now have `TxInput.is_coinbase_input` and `TxInput.is_coinbase_output`. related #5872
this is a regression from #5721 Removed the `TxInput.is_coinbase` method as I think it is a confusing API, instead we now have `TxInput.is_coinbase_input` and `TxInput.is_coinbase_output`. related #5872