Trait evm_runtime::Handler[−][src]

pub trait Handler {
    type CreateInterrupt;
    type CreateFeedback;
    type CallInterrupt;
    type CallFeedback;
    fn balance(&self, address: H160) -> U256;

    fn code_size(&self, address: H160) -> U256;

    fn code_hash(&self, address: H160) -> H256;

    fn code(&self, address: H160) -> Vec<u8>;

    fn storage(&self, address: H160, index: H256) -> H256;

    fn original_storage(&self, address: H160, index: H256) -> H256;

    fn gas_left(&self) -> U256;

    fn gas_price(&self) -> U256;

    fn origin(&self) -> H160;

    fn block_hash(&self, number: U256) -> H256;

    fn block_number(&self) -> U256;

    fn block_coinbase(&self) -> H160;

    fn block_timestamp(&self) -> U256;

    fn block_difficulty(&self) -> U256;

    fn block_gas_limit(&self) -> U256;

    fn chain_id(&self) -> U256;

    fn exists(&self, address: H160) -> bool;

    fn deleted(&self, address: H160) -> bool;

    fn set_storage(
        &mut self, 
        address: H160, 
        index: H256, 
        value: H256
    ) -> Result<(), ExitError>;

    fn log(
        &mut self, 
        address: H160, 
        topcis: Vec<H256>, 
        data: Vec<u8>
    ) -> Result<(), ExitError>;

    fn mark_delete(
        &mut self, 
        address: H160, 
        target: H160
    ) -> Result<(), ExitError>;

    fn create(
        &mut self, 
        caller: H160, 
        scheme: CreateScheme, 
        value: U256, 
        init_code: Vec<u8>, 
        target_gas: Option<u64>
    ) -> Capture<(ExitReason, Option<H160>, Vec<u8>), Self::CreateInterrupt>;

    fn call(
        &mut self, 
        code_address: H160, 
        transfer: Option<Transfer>, 
        input: Vec<u8>, 
        target_gas: Option<u64>, 
        is_static: bool, 
        context: Context
    ) -> Capture<(ExitReason, Vec<u8>), Self::CallInterrupt>;

    fn pre_validate(
        &mut self, 
        context: &Context, 
        opcode: Opcode, 
        stack: &Stack
    ) -> Result<(), ExitError>;

    fn create_feedback(
        &mut self, 
        _feedback: Self::CreateFeedback
    ) -> Result<(), ExitError> { ... }

    fn call_feedback(
        &mut self, 
        _feedback: Self::CallFeedback
    ) -> Result<(), ExitError> { ... }

    fn other(
        &mut self, 
        _opcode: Opcode, 
        _stack: &mut Machine
    ) -> Result<(), ExitError> { ... }
}

EVM context handler.

Associated Types

type CreateInterrupt[src]

Type of CREATE interrupt.

type CreateFeedback[src]

Feedback value for CREATE interrupt.

type CallInterrupt[src]

Type of CALL interrupt.

type CallFeedback[src]

Feedback value of CALL interrupt.

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Required methods

fn balance(&self, address: H160) -> U256[src]

Get balance of address.

fn code_size(&self, address: H160) -> U256[src]

Get code size of address.

fn code_hash(&self, address: H160) -> H256[src]

Get code hash of address.

fn code(&self, address: H160) -> Vec<u8>[src]

Get code of address.

fn storage(&self, address: H160, index: H256) -> H256[src]

Get storage value of address at index.

fn original_storage(&self, address: H160, index: H256) -> H256[src]

Get original storage value of address at index.

fn gas_left(&self) -> U256[src]

Get the gas left value.

fn gas_price(&self) -> U256[src]

Get the gas price value.

fn origin(&self) -> H160[src]

Get execution origin.

fn block_hash(&self, number: U256) -> H256[src]

Get environmental block hash.

fn block_number(&self) -> U256[src]

Get environmental block number.

fn block_coinbase(&self) -> H160[src]

Get environmental coinbase.

fn block_timestamp(&self) -> U256[src]

Get environmental block timestamp.

fn block_difficulty(&self) -> U256[src]

Get environmental block difficulty.

fn block_gas_limit(&self) -> U256[src]

Get environmental gas limit.

fn chain_id(&self) -> U256[src]

Get environmental chain ID.

fn exists(&self, address: H160) -> bool[src]

Check whether an address exists.

fn deleted(&self, address: H160) -> bool[src]

Check whether an address has already been deleted.

fn set_storage(
    &mut self,
    address: H160,
    index: H256,
    value: H256
) -> Result<(), ExitError>[src]

Set storage value of address at index.

fn log(
    &mut self,
    address: H160,
    topcis: Vec<H256>,
    data: Vec<u8>
) -> Result<(), ExitError>[src]

Create a log owned by address with given topics and data.

fn mark_delete(&mut self, address: H160, target: H160) -> Result<(), ExitError>[src]

Mark an address to be deleted, with funds transferred to target.

fn create(
    &mut self,
    caller: H160,
    scheme: CreateScheme,
    value: U256,
    init_code: Vec<u8>,
    target_gas: Option<u64>
) -> Capture<(ExitReason, Option<H160>, Vec<u8>), Self::CreateInterrupt>[src]

Invoke a create operation.

fn call(
    &mut self,
    code_address: H160,
    transfer: Option<Transfer>,
    input: Vec<u8>,
    target_gas: Option<u64>,
    is_static: bool,
    context: Context
) -> Capture<(ExitReason, Vec<u8>), Self::CallInterrupt>[src]

Invoke a call operation.

fn pre_validate(
    &mut self,
    context: &Context,
    opcode: Opcode,
    stack: &Stack
) -> Result<(), ExitError>[src]

Pre-validation step for the runtime.

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Provided methods

fn create_feedback(
    &mut self,
    _feedback: Self::CreateFeedback
) -> Result<(), ExitError>[src]

Feed in create feedback.

fn call_feedback(
    &mut self,
    _feedback: Self::CallFeedback
) -> Result<(), ExitError>[src]

Feed in call feedback.

fn other(
    &mut self,
    _opcode: Opcode,
    _stack: &mut Machine
) -> Result<(), ExitError>[src]

Handle other unknown external opcodes.

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Implementors

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