CheckAuthorizationEvents is a helper function used in the integration tests and checks if the approval event is emitted.

CheckEthereumTxFailed checks if there is a VM error in the transaction response and returns the reason.

CheckLogs checks the logs for the given events and whether the transaction was successful or not.

CheckVMError is a helper function used to check if the transaction is reverted with the expected error message in the VmError field of the MsgEthereumResponse struct.

CreateValidator creates a validator with the given amount of staked tokens in the bond denomination set in the staking keeper.

NewPrecompileContract creates a new precompile contract and sets the gas meter.

LogCheckArgs is a struct that contains configuration for the log checking.