Struct MyHandler

pub struct MyHandler<EVM> {
    pub _phantom: PhantomData<EVM>,
}

Fields

_phantom: PhantomData<EVM>

Trait Implementations

impl<EVM> Default for MyHandler<EVM>

fn default() -> Self

Returns the “default value” for a type.

impl<EVM> Handler for MyHandler<EVM>

where EVM: EvmTr<Context: ContextTr<Journal: JournalTr<State = EvmState>>, Precompiles: PrecompileProvider<EVM::Context, Output = InterpreterResult>, Instructions: InstructionProvider<Context = EVM::Context, InterpreterTypes = EthInterpreter>>,

type Evm = EVM

The EVM type containing Context, Instruction, and Precompiles implementations.

type Error = EVMError<<<<EVM as EvmTr>::Context as ContextTr>::Db as Database>::Error>

The error type returned by this handler.

type Frame = EthFrame<EVM, EVMError<<<<EVM as EvmTr>::Context as ContextTr>::Db as Database>::Error>, <<EVM as EvmTr>::Instructions as InstructionProvider>::InterpreterTypes>

The Frame type containing data for frame execution. Supports Call, Create and EofCreate frames.

type HaltReason = HaltReason

The halt reason type included in the output

fn reward_beneficiary( &self, _evm: &mut Self::Evm, _exec_result: &mut FrameResult, ) -> Result<(), Self::Error>

Transfers transaction fees to the block beneficiary’s account.

fn run( &mut self, evm: &mut Self::Evm, ) -> Result<ExecutionResult<Self::HaltReason>, Self::Error>

The main entry point for transaction execution.

fn run_system_call( &mut self, evm: &mut Self::Evm, ) -> Result<ExecutionResult<Self::HaltReason>, Self::Error>

Runs the system call.

fn run_without_catch_error( &mut self, evm: &mut Self::Evm, ) -> Result<ExecutionResult<Self::HaltReason>, Self::Error>

Called by [Handler::run] to execute the core handler logic.

fn validate( &self, evm: &mut Self::Evm, ) -> Result<InitialAndFloorGas, Self::Error>

Validates the execution environment and transaction parameters.

fn pre_execution(&self, evm: &mut Self::Evm) -> Result<u64, Self::Error>

Prepares the EVM state for execution.

fn execution( &mut self, evm: &mut Self::Evm, init_and_floor_gas: &InitialAndFloorGas, ) -> Result<FrameResult, Self::Error>

Creates and executes the initial frame, then processes the execution loop.

fn post_execution( &self, evm: &mut Self::Evm, exec_result: &mut FrameResult, init_and_floor_gas: InitialAndFloorGas, eip7702_gas_refund: i64, ) -> Result<(), Self::Error>

Handles the final steps of transaction execution.

fn validate_env(&self, evm: &mut Self::Evm) -> Result<(), Self::Error>

Validates block, transaction and configuration fields.

fn validate_initial_tx_gas( &self, evm: &Self::Evm, ) -> Result<InitialAndFloorGas, Self::Error>

Calculates initial gas costs based on transaction type and input data.

fn load_accounts(&self, evm: &mut Self::Evm) -> Result<(), Self::Error>

Loads access list and beneficiary account, marking them as warm in the [context::Journal].

fn apply_eip7702_auth_list( &self, evm: &mut Self::Evm, ) -> Result<u64, Self::Error>

Processes the authorization list, validating authority signatures, nonces and chain IDs. Applies valid authorizations to accounts.

fn apply_eip7873_eof_initcodes( &self, _evm: &mut Self::Evm, ) -> Result<(), Self::Error>

Processes the authorization list, validating authority signatures, nonces and chain IDs. Applies valid authorizations to accounts.

fn validate_against_state_and_deduct_caller( &self, evm: &mut Self::Evm, ) -> Result<(), Self::Error>

Deducts maximum possible fee and transfer value from caller’s balance.

fn first_frame_input( &mut self, evm: &mut Self::Evm, gas_limit: u64, ) -> Result<FrameInput, Self::Error>

Creates initial frame input using transaction parameters, gas limit and configuration.

fn last_frame_result( &mut self, evm: &mut Self::Evm, frame_result: &mut <Self::Frame as Frame>::FrameResult, ) -> Result<(), Self::Error>

Processes the result of the initial call and handles returned gas.

fn first_frame_init( &mut self, evm: &mut Self::Evm, frame_input: <Self::Frame as Frame>::FrameInit, ) -> Result<ItemOrResult<Self::Frame, <Self::Frame as Frame>::FrameResult>, Self::Error>

Initializes the first frame from the provided frame input.

fn frame_init( &mut self, frame: &mut Self::Frame, evm: &mut Self::Evm, frame_input: <Self::Frame as Frame>::FrameInit, ) -> Result<ItemOrResult<Self::Frame, <Self::Frame as Frame>::FrameResult>, Self::Error>

Initializes a new frame from the provided frame input and previous frame.

fn frame_call( &mut self, frame: &mut Self::Frame, evm: &mut Self::Evm, ) -> Result<ItemOrResult<<Self::Frame as Frame>::FrameInit, <Self::Frame as Frame>::FrameResult>, Self::Error>

Executes a frame and returns either input for a new frame or the frame’s result.

fn frame_return_result( &mut self, frame: &mut Self::Frame, evm: &mut Self::Evm, result: <Self::Frame as Frame>::FrameResult, ) -> Result<(), Self::Error>

Processes a frame’s result by inserting it into the parent frame.

fn run_exec_loop( &mut self, evm: &mut Self::Evm, frame: Self::Frame, ) -> Result<FrameResult, Self::Error>

Executes the main frame processing loop.

fn eip7623_check_gas_floor( &self, _evm: &mut Self::Evm, exec_result: &mut <Self::Frame as Frame>::FrameResult, init_and_floor_gas: InitialAndFloorGas, )

Validates that the minimum gas floor requirements are satisfied.

fn refund( &self, evm: &mut Self::Evm, exec_result: &mut <Self::Frame as Frame>::FrameResult, eip7702_refund: i64, )

Calculates the final gas refund amount, including any EIP-7702 refunds.

fn reimburse_caller( &self, evm: &mut Self::Evm, exec_result: &mut <Self::Frame as Frame>::FrameResult, ) -> Result<(), Self::Error>

Returns unused gas costs to the transaction sender’s account.

fn execution_result( &mut self, evm: &mut Self::Evm, result: <Self::Frame as Frame>::FrameResult, ) -> Result<ExecutionResult<Self::HaltReason>, Self::Error>

Processes the final execution output.

fn catch_error( &self, evm: &mut Self::Evm, error: Self::Error, ) -> Result<ExecutionResult<Self::HaltReason>, Self::Error>

Handles cleanup when an error occurs during execution.

impl<EVM> InspectorHandler for MyHandler<EVM>

where EVM: InspectorEvmTr<Inspector: Inspector<<<Self as Handler>::Evm as EvmTr>::Context, EthInterpreter>, Context: ContextTr<Journal: JournalTr<State = EvmState>>, Precompiles: PrecompileProvider<EVM::Context, Output = InterpreterResult>, Instructions: InstructionProvider<Context = EVM::Context, InterpreterTypes = EthInterpreter>>,

type IT = EthInterpreter

fn inspect_run( &mut self, evm: &mut Self::Evm, ) -> Result<ExecutionResult<Self::HaltReason>, Self::Error>

Entry point for inspection.

fn inspect_run_without_catch_error( &mut self, evm: &mut Self::Evm, ) -> Result<ExecutionResult<Self::HaltReason>, Self::Error>

Run inspection without catching error.

fn inspect_execution( &mut self, evm: &mut Self::Evm, init_and_floor_gas: &InitialAndFloorGas, ) -> Result<FrameResult, Self::Error>

Run execution loop with inspection support

fn inspect_first_frame_init( &mut self, evm: &mut Self::Evm, frame_input: <Self::Frame as Frame>::FrameInit, ) -> Result<ItemOrResult<Self::Frame, <Self::Frame as Frame>::FrameResult>, Self::Error>

Initialize first frame.

fn inspect_frame_call( &mut self, frame: &mut Self::Frame, evm: &mut Self::Evm, ) -> Result<ItemOrResult<<Self::Frame as Frame>::FrameInit, <Self::Frame as Frame>::FrameResult>, Self::Error>

Run inspection on frame.

fn inspect_run_exec_loop( &mut self, evm: &mut Self::Evm, frame: Self::Frame, ) -> Result<FrameResult, Self::Error>

Run inspection on execution loop.