Struct revm::EVM

pub struct EVM<'a, DB: Database + WriteDatabase> {
    pub env: Env,
    pub inspector: Option<&'a mut dyn Inspector>,
    // some fields omitted
}

Struct that takes Database and enabled transact to update state dirrectly to database. additionaly it allows user to set all environment parameters. Parameters that can be set are devided between Config, Block and Transaction(tx)

Fields

env: Env

inspector: Option<&'a mut dyn Inspector>

Implementations

impl<'a, DB: Database + WriteDatabase> EVM<'a, DB>

pub fn new() -> Self

pub fn db(&mut self) -> Option<&mut DB>

pub fn take_db(&mut self) -> DB

pub fn transact_only(
    &mut self
) -> (ExitReason, TransactOut, u64, Map<H160, Account>)

do dummy transaction and return change state. Does not touch the DB.

pub fn transact(&mut self) -> (ExitReason, TransactOut, u64)

Do transaction and apply result to database

impl<'a, DB: Database + WriteDatabase> EVM<'a, DB>

All functions inside this impl are various setters for evn. all setters are prefixed with cfg_, block_, tx_ for better readability.

pub fn inspector(&mut self, inspector: &'a mut dyn Inspector)

pub fn database(&mut self, db: DB)