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pallet-evm: customizable chain id (#6537)

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This commit is contained in:
Wei Tang
2020-07-01 09:00:12 +02:00
committed by GitHub
parent e61f377617
commit c4f6fbceac
2 changed files with 14 additions and 2 deletions
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substrate/frame/evm/src/lib.rs
+12 -1
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@@ -118,6 +118,15 @@ impl Precompiles for () {
}
}
/// Substrate system chain ID.
pub struct SystemChainId;
impl Get<u64> for SystemChainId {
fn get() -> u64 {
sp_io::misc::chain_id()
}
}
static ISTANBUL_CONFIG: Config = Config::istanbul();
/// EVM module trait
@@ -134,6 +143,8 @@ pub trait Trait: frame_system::Trait + pallet_timestamp::Trait {
type Event: From<Event<Self>> + Into<<Self as frame_system::Trait>::Event>;
/// Precompiles associated with this EVM engine.
type Precompiles: Precompiles;
/// Chain ID of EVM.
type ChainId: Get<U256>;
/// EVM config used in the module.
fn config() -> &'static Config {
@@ -159,7 +170,7 @@ decl_storage! {
trait Store for Module<T: Trait> as EVM {
Accounts get(fn accounts): map hasher(blake2_128_concat) H160 => Account;
AccountCodes get(fn account_codes): map hasher(blake2_128_concat) H160 => Vec<u8>;
AccountStorages get(fn account_storages):
AccountStorages get(fn account_storages):
double_map hasher(blake2_128_concat) H160, hasher(blake2_128_concat) H256 => H256;
}