Trait revm_interpreter::Host

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pub trait Host {

Show 14 methods    // Required methods
    fn step(
        &mut self,
        interpreter: &mut Interpreter,
        is_static: bool
    ) -> InstructionResult;
    fn step_end(
        &mut self,
        interpreter: &mut Interpreter,
        is_static: bool,
        ret: InstructionResult
    ) -> InstructionResult;
    fn env(&mut self) -> &mut Env;
    fn load_account(&mut self, address: B160) -> Option<(bool, bool)>;
    fn block_hash(&mut self, number: U256) -> Option<B256>;
    fn balance(&mut self, address: B160) -> Option<(U256, bool)>;
    fn code(&mut self, address: B160) -> Option<(Bytecode, bool)>;
    fn code_hash(&mut self, address: B160) -> Option<(B256, bool)>;
    fn sload(&mut self, address: B160, index: U256) -> Option<(U256, bool)>;
    fn sstore(
        &mut self,
        address: B160,
        index: U256,
        value: U256
    ) -> Option<(U256, U256, U256, bool)>;
    fn log(&mut self, address: B160, topics: Vec<B256>, data: Bytes);
    fn selfdestruct(
        &mut self,
        address: B160,
        target: B160
    ) -> Option<SelfDestructResult>;
    fn create(
        &mut self,
        inputs: &mut CreateInputs
    ) -> (InstructionResult, Option<B160>, Gas, Bytes);
    fn call(
        &mut self,
        input: &mut CallInputs
    ) -> (InstructionResult, Gas, Bytes);

}
Expand description

EVM context host.

Required Methods§

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fn step( &mut self, interpreter: &mut Interpreter, is_static: bool ) -> InstructionResult

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fn step_end( &mut self, interpreter: &mut Interpreter, is_static: bool, ret: InstructionResult ) -> InstructionResult

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fn env(&mut self) -> &mut Env

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fn load_account(&mut self, address: B160) -> Option<(bool, bool)>

load account. Returns (is_cold,is_new_account)

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fn block_hash(&mut self, number: U256) -> Option<B256>

Get environmental block hash.

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fn balance(&mut self, address: B160) -> Option<(U256, bool)>

Get balance of address and if account is cold loaded.

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fn code(&mut self, address: B160) -> Option<(Bytecode, bool)>

Get code of address and if account is cold loaded.

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fn code_hash(&mut self, address: B160) -> Option<(B256, bool)>

Get code hash of address and if account is cold loaded.

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fn sload(&mut self, address: B160, index: U256) -> Option<(U256, bool)>

Get storage value of address at index and if account is cold loaded.

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fn sstore( &mut self, address: B160, index: U256, value: U256 ) -> Option<(U256, U256, U256, bool)>

Set storage value of account address at index. Returns (original, present, new, sis_cold)

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fn log(&mut self, address: B160, topics: Vec<B256>, data: Bytes)

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

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fn selfdestruct( &mut self, address: B160, target: B160 ) -> Option<SelfDestructResult>

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

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fn create( &mut self, inputs: &mut CreateInputs ) -> (InstructionResult, Option<B160>, Gas, Bytes)

Invoke a create operation.

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fn call(&mut self, input: &mut CallInputs) -> (InstructionResult, Gas, Bytes)

Invoke a call operation.

Implementors§