GetAuthenticatedSender - Get sender and tx nonce from transaction.

GetTxSigner returns the address that signed a transaction.

LogMethodDuration - call only with "defer".

VerifySignature - Checks that the L2Tx has a valid signature.

Batch Data structure only for the internal use of the enclave since transactions are in clear.

ContractVisibilityConfig represents the configuration as defined by the dApp developer in the smart contract.

EventVisibilityConfig - configuration per event by the dApp developer(DD) There are 4 cases: 1.

InternalReceipt - Equivalent to the geth types.Receipt, but without weird quirks.

Rollup - is an internal data structure useful during creation.