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pallet-evm: configurable gasometer config (#5320)

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* pallet-evm: configurable gasometer config

* Bump runtime impl_version

* Update evm to 0.16.1

Documentation updates

Co-authored-by: Gavin Wood <gavin@parity.io>
This commit is contained in:
Wei Tang
2020-03-23 13:30:40 +01:00
committed by GitHub
parent ad1876bf94
commit 14249913a6
3 changed files with 18 additions and 16 deletions
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substrate/frame/evm/src/lib.rs
+9 -2
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@@ -35,7 +35,7 @@ use sp_runtime::{
DispatchResult, traits::{UniqueSaturatedInto, AccountIdConversion, SaturatedConversion},
};
use sha3::{Digest, Keccak256};
use evm::{ExitReason, ExitSucceed, ExitError};
use evm::{ExitReason, ExitSucceed, ExitError, Config};
use evm::executor::StackExecutor;
use evm::backend::ApplyBackend;
@@ -116,6 +116,8 @@ impl Precompiles for () {
}
}
static ISTANBUL_CONFIG: Config = Config::istanbul();
/// EVM module trait
pub trait Trait: frame_system::Trait + pallet_timestamp::Trait {
/// Calculator for current gas price.
@@ -128,6 +130,11 @@ pub trait Trait: frame_system::Trait + pallet_timestamp::Trait {
type Event: From<Event> + Into<<Self as frame_system::Trait>::Event>;
/// Precompiles associated with this EVM engine.
type Precompiles: Precompiles;
/// EVM config used in the module.
fn config() -> &'static Config {
&ISTANBUL_CONFIG
}
}
decl_storage! {
@@ -381,7 +388,7 @@ impl<T: Trait> Module<T> {
let mut executor = StackExecutor::new_with_precompile(
&backend,
gas_limit as usize,
&backend::GASOMETER_CONFIG,
T::config(),
T::Precompiles::execute,
);