Crate evm_precompiles

Macros

err

Structs

Address

The address type of Solidity. H160 could represent 2 types of data (bytes20 and address) that are not encoded the same way. To avoid issues writing H160 is thus not supported.

EvmDataReader

Wrapper around an EVM input slice, helping to parse it. Provide functions to parse common types.

EvmDataWriter

Help build an EVM input/output data.

Gasometer

Custom Gasometer to record costs in precompiles. It is advised to record known costs as early as possible to avoid unecessary computations if there is an Out of Gas.

LogsBuilder

Builder for PrecompileOutput.

Traits

EvmData

Data that can be converted from and to EVM data types.

Functions

error

Return an error with provided (static) text.

Type Aliases

EvmResult

Alias for Result returning an EVM precompile error.

Attribute Macros

generate_function_selector

This macro allows to associate to each variant of an enumeration a discriminant (of type u32 whose value corresponds to the first 4 bytes of the Hash Keccak256 of the character string indicated by the user of this macro.