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// Copyright 2019-2022 PureStake Inc.
// This file is part of Moonbeam.
// Moonbeam is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Moonbeam is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Moonbeam. If not, see <http://www.gnu.org/licenses/>.
use crate::{
asset_config::ForeignAssetInstance,
xcm_config::{AssetType, XcmExecutorConfig},
AccountId, AssetId, AssetManager, Balances, Erc20XcmBridge, OpenTechCommitteeInstance, Runtime,
TreasuryCouncilInstance,
};
use frame_support::parameter_types;
use moonbeam_runtime_common::weights as moonriver_weights;
use moonkit_xcm_primitives::location_matcher::{
Erc20PalletMatcher, ForeignAssetMatcher, SingleAddressMatcher,
use pallet_evm_precompile_author_mapping::AuthorMappingPrecompile;
use pallet_evm_precompile_balances_erc20::{Erc20BalancesPrecompile, Erc20Metadata};
use pallet_evm_precompile_batch::BatchPrecompile;
use pallet_evm_precompile_blake2::Blake2F;
use pallet_evm_precompile_bn128::{Bn128Add, Bn128Mul, Bn128Pairing};
use pallet_evm_precompile_call_permit::CallPermitPrecompile;
use pallet_evm_precompile_collective::CollectivePrecompile;
use pallet_evm_precompile_conviction_voting::ConvictionVotingPrecompile;
use pallet_evm_precompile_crowdloan_rewards::CrowdloanRewardsPrecompile;
use pallet_evm_precompile_gmp::GmpPrecompile;
use pallet_evm_precompile_identity::IdentityPrecompile;
use pallet_evm_precompile_modexp::Modexp;
use pallet_evm_precompile_p256verify::P256Verify;
use pallet_evm_precompile_parachain_staking::ParachainStakingPrecompile;
use pallet_evm_precompile_preimage::PreimagePrecompile;
use pallet_evm_precompile_proxy::{OnlyIsProxyAndProxy, ProxyPrecompile};
use pallet_evm_precompile_randomness::RandomnessPrecompile;
use pallet_evm_precompile_referenda::ReferendaPrecompile;
use pallet_evm_precompile_registry::PrecompileRegistry;
use pallet_evm_precompile_relay_encoder::RelayEncoderPrecompile;
use pallet_evm_precompile_relay_verifier::RelayDataVerifierPrecompile;
use pallet_evm_precompile_sha3fips::Sha3FIPS256;
use pallet_evm_precompile_simple::{ECRecover, ECRecoverPublicKey, Identity, Ripemd160, Sha256};
use pallet_evm_precompile_xcm::PalletXcmPrecompile;
use pallet_evm_precompile_xcm_transactor::{
v1::XcmTransactorPrecompileV1, v2::XcmTransactorPrecompileV2, v3::XcmTransactorPrecompileV3,
use pallet_evm_precompile_xcm_utils::XcmUtilsPrecompile;
use pallet_evm_precompile_xtokens::XtokensPrecompile;
use pallet_evm_precompileset_assets_erc20::Erc20AssetsPrecompileSet;
use pallet_precompile_benchmarks::WeightInfo;
use precompile_utils::precompile_set::*;
use xcm_primitives::AsAssetType;
parameter_types! {
pub P256VerifyWeight: frame_support::weights::Weight =
moonriver_weights::pallet_precompile_benchmarks::WeightInfo::<Runtime>::p256_verify();
}
pub struct NativeErc20Metadata;
/// ERC20 metadata for the native token.
impl Erc20Metadata for NativeErc20Metadata {
/// Returns the name of the token.
fn name() -> &'static str {
"MOVR token"
/// Returns the symbol of the token.
fn symbol() -> &'static str {
"MOVR"
/// Returns the decimals places of the token.
fn decimals() -> u8 {
18
/// Must return `true` only if it represents the main native currency of
/// the network. It must be the currency used in `pallet_evm`.
fn is_native_currency() -> bool {
true
/// The asset precompile address prefix. Addresses that match against this prefix will be routed
/// to Erc20AssetsPrecompileSet being marked as foreign
pub const FOREIGN_ASSET_PRECOMPILE_ADDRESS_PREFIX: &[u8] = &[255u8; 4];
/// Const to identify ERC20_BALANCES_PRECOMPILE address
pub const ERC20_BALANCES_PRECOMPILE: u64 = 2050;
pub ForeignAssetPrefix: &'static [u8] = FOREIGN_ASSET_PRECOMPILE_ADDRESS_PREFIX;
type EthereumPrecompilesChecks = (AcceptDelegateCall, CallableByContract, CallableByPrecompile);
// Pallet-xcm precompile types.
// Type that converts AssetId into Location
type AssetIdToLocationManager = AsAssetType<AssetId, AssetType, AssetManager>;
// The pallet-balances address is identified by ERC20_BALANCES_PRECOMPILE const
type SingleAddressMatch = SingleAddressMatcher<AccountId, ERC20_BALANCES_PRECOMPILE, Balances>;
// Type that matches an AccountId with a foreign asset address (if any)
type ForeignAssetMatch = ForeignAssetMatcher<AccountId, AssetId, Runtime, AssetIdToLocationManager>;
// Erc20XcmBridge pallet is used to match ERC20s
type Erc20Match = Erc20PalletMatcher<AccountId, Erc20XcmBridge>;
#[precompile_utils::precompile_name_from_address]
type MoonriverPrecompilesAt<R> = (
// Ethereum precompiles:
// We allow DELEGATECALL to stay compliant with Ethereum behavior.
PrecompileAt<AddressU64<1>, ECRecover, EthereumPrecompilesChecks>,
PrecompileAt<AddressU64<2>, Sha256, EthereumPrecompilesChecks>,
PrecompileAt<AddressU64<3>, Ripemd160, EthereumPrecompilesChecks>,
PrecompileAt<AddressU64<4>, Identity, EthereumPrecompilesChecks>,
PrecompileAt<AddressU64<5>, Modexp, EthereumPrecompilesChecks>,
PrecompileAt<AddressU64<6>, Bn128Add, EthereumPrecompilesChecks>,
PrecompileAt<AddressU64<7>, Bn128Mul, EthereumPrecompilesChecks>,
PrecompileAt<AddressU64<8>, Bn128Pairing, EthereumPrecompilesChecks>,
PrecompileAt<AddressU64<9>, Blake2F, EthereumPrecompilesChecks>,
// (0x100 => 256) https://github.com/ethereum/RIPs/blob/master/RIPS/rip-7212.md
PrecompileAt<AddressU64<256>, P256Verify<P256VerifyWeight>, EthereumPrecompilesChecks>,
// Non-Moonbeam specific nor Ethereum precompiles :
PrecompileAt<AddressU64<1024>, Sha3FIPS256, (CallableByContract, CallableByPrecompile)>,
RemovedPrecompileAt<AddressU64<1025>>, // Dispatch<R>
PrecompileAt<AddressU64<1026>, ECRecoverPublicKey, (CallableByContract, CallableByPrecompile)>,
// Moonbeam specific precompiles:
PrecompileAt<
AddressU64<2048>,
ParachainStakingPrecompile<R>,
(CallableByContract, CallableByPrecompile),
>,
AddressU64<2049>,
CrowdloanRewardsPrecompile<R>,
AddressU64<2050>,
Erc20BalancesPrecompile<R, NativeErc20Metadata>,
RemovedPrecompileAt<AddressU64<2051>>, // DemocracyPrecompile
AddressU64<2052>,
XtokensPrecompile<R>,
(
SubcallWithMaxNesting<1>,
CallableByContract,
CallableByPrecompile,
),
AddressU64<2053>,
RelayEncoderPrecompile<R>,
AddressU64<2054>,
XcmTransactorPrecompileV1<R>,
AddressU64<2055>,
AuthorMappingPrecompile<R>,
AddressU64<2056>,
BatchPrecompile<R>,
SubcallWithMaxNesting<2>,
// Batch is the only precompile allowed to call Batch.
CallableByPrecompile<OnlyFrom<AddressU64<2056>>>,
AddressU64<2057>,
RandomnessPrecompile<R>,
(SubcallWithMaxNesting<0>, CallableByContract),
AddressU64<2058>,
CallPermitPrecompile<R>,
AddressU64<2059>,
ProxyPrecompile<R>,
CallableByContract<OnlyIsProxyAndProxy<R>>,
SubcallWithMaxNesting<0>,
// Batch is the only precompile allowed to call Proxy.
AddressU64<2060>,
XcmUtilsPrecompile<R, XcmExecutorConfig>,
CallableByContract<
pallet_evm_precompile_xcm_utils::AllExceptXcmExecute<R, XcmExecutorConfig>,
AddressU64<2061>,
XcmTransactorPrecompileV2<R>,
RemovedPrecompileAt<AddressU64<2062>>, //CouncilInstance
RemovedPrecompileAt<AddressU64<2063>>, // TechCommitteeInstance
AddressU64<2064>,
CollectivePrecompile<R, TreasuryCouncilInstance>,
AddressU64<2065>,
ReferendaPrecompile<R, crate::governance::custom_origins::Origin>,
AddressU64<2066>,
ConvictionVotingPrecompile<R>,
AddressU64<2067>,
PreimagePrecompile<R>,
AddressU64<2068>,
CollectivePrecompile<R, OpenTechCommitteeInstance>,
AddressU64<2069>,
PrecompileRegistry<R>,
PrecompileAt<AddressU64<2070>, GmpPrecompile<R>, SubcallWithMaxNesting<0>>,
AddressU64<2071>,
XcmTransactorPrecompileV3<R>,
AddressU64<2072>,
IdentityPrecompile<R, crate::MaxAdditionalFields>,
AddressU64<2073>,
RelayDataVerifierPrecompile<R>,
AddressU64<2074>,
PalletXcmPrecompile<R, (SingleAddressMatch, ForeignAssetMatch, Erc20Match)>,
);
/// The PrecompileSet installed in the Moonriver runtime.
/// We include the nine Istanbul precompiles
/// (https://github.com/ethereum/go-ethereum/blob/3c46f557/core/vm/contracts.go#L69)
/// The following distribution has been decided for the precompiles
/// 0-1023: Ethereum Mainnet Precompiles
/// 1024-2047 Precompiles that are not in Ethereum Mainnet but are neither Moonbeam specific
/// 2048-4095 Moonbeam specific precompiles
pub type MoonriverPrecompiles<R> = PrecompileSetBuilder<
R,
// Skip precompiles if out of range.
PrecompilesInRangeInclusive<(AddressU64<1>, AddressU64<4095>), MoonriverPrecompilesAt<R>>,
// Prefixed precompile sets (XC20)
PrecompileSetStartingWith<
ForeignAssetPrefix,
Erc20AssetsPrecompileSet<R, ForeignAssetInstance>,
// Moonriver never had any local assets (No blacklist needed
// https://moonriver.subscan.io/event?module=localassets&event_id=created
// https://moonriver.subscan.io/event?module=localassets&event_id=forcecreated
>;