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Support using system storage directly for EVM balance and nonce (#6659)

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This commit is contained in:
Wei Tang
2020-07-23 17:49:12 +02:00
committed by GitHub
parent 36e312088e
commit 9acb321f01
3 changed files with 192 additions and 117 deletions
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substrate/frame/evm/src/backend.rs
+5 -5
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@@ -9,7 +9,7 @@ use frame_support::traits::Get;
use frame_support::storage::{StorageMap, StorageDoubleMap};
use sha3::{Keccak256, Digest};
use evm::backend::{Backend as BackendT, ApplyBackend, Apply};
use crate::{Trait, Accounts, AccountStorages, AccountCodes, Module, Event};
use crate::{Trait, AccountStorages, AccountCodes, Module, Event};
#[derive(Clone, Eq, PartialEq, Encode, Decode, Default)]
#[cfg_attr(feature = "std", derive(Debug, Serialize, Deserialize))]
@@ -100,7 +100,7 @@ impl<'vicinity, T: Trait> BackendT for Backend<'vicinity, T> {
}
fn basic(&self, address: H160) -> evm::backend::Basic {
let account = Accounts::get(&address);
let account = Module::<T>::account_basic(&address);
evm::backend::Basic {
balance: account.balance,
@@ -141,9 +141,9 @@ impl<'vicinity, T: Trait> ApplyBackend for Backend<'vicinity, T> {
Apply::Modify {
address, basic, code, storage, reset_storage,
} => {
Accounts::mutate(&address, |account| {
account.balance = basic.balance;
account.nonce = basic.nonce;
Module::<T>::mutate_account_basic(&address, Account {
nonce: basic.nonce,
balance: basic.balance,
});
if let Some(code) = code {