BuildOpProgramClient builds the `op-program` client executable and returns the path to the resulting executable.

SendDepositTx creates and sends a deposit transaction.

SendL2Tx creates and sends a transaction.

ErrForkChoiceUpdatedNotValid is returned when a forkChoiceUpdated returns a status other than Valid.

ErrNewPayloadNotValid is returned when a newPayload call returns a status other than Valid, indicating the new block is invalid.

OpGeth is an actor that functions as a l2 op-geth node It provides useful functions for advancing and querying the chain.