shiden_runtime/
precompiles.rs

1// This file is part of Astar.
2
3// Copyright (C) Stake Technologies Pte.Ltd.
4// SPDX-License-Identifier: GPL-3.0-or-later
5
6// Astar is free software: you can redistribute it and/or modify
7// it under the terms of the GNU General Public License as published by
8// the Free Software Foundation, either version 3 of the License, or
9// (at your option) any later version.
10
11// Astar is distributed in the hope that it will be useful,
12// but WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14// GNU General Public License for more details.
15
16// You should have received a copy of the GNU General Public License
17// along with Astar. If not, see <http://www.gnu.org/licenses/>.
18
19//! The Shiden Network EVM precompiles. This can be compiled with ``#[no_std]`, ready for Wasm.
20
21use crate::{Runtime, RuntimeCall};
22use astar_primitives::precompiles::DispatchFilterValidate;
23use frame_support::pallet_prelude::ConstU32;
24use frame_support::{parameter_types, traits::Contains};
25use pallet_evm_precompile_assets_erc20::Erc20AssetsPrecompileSet;
26use pallet_evm_precompile_blake2::Blake2F;
27use pallet_evm_precompile_bn128::{Bn128Add, Bn128Mul, Bn128Pairing};
28use pallet_evm_precompile_dapp_staking::DappStakingV3Precompile;
29use pallet_evm_precompile_dispatch::Dispatch;
30use pallet_evm_precompile_dispatch_lockdrop::DispatchLockdrop;
31use pallet_evm_precompile_ed25519::Ed25519Verify;
32use pallet_evm_precompile_modexp::Modexp;
33use pallet_evm_precompile_sha3fips::Sha3FIPS256;
34use pallet_evm_precompile_simple::{ECRecover, ECRecoverPublicKey, Identity, Ripemd160, Sha256};
35use pallet_evm_precompile_sr25519::Sr25519Precompile;
36use pallet_evm_precompile_substrate_ecdsa::SubstrateEcdsaPrecompile;
37use pallet_evm_precompile_xcm::XcmPrecompile;
38use precompile_utils::precompile_set::*;
39use sp_std::fmt::Debug;
40
41/// The asset precompile address prefix. Addresses that match against this prefix will be routed
42/// to Erc20AssetsPrecompileSet
43pub const ASSET_PRECOMPILE_ADDRESS_PREFIX: &[u8] = &[255u8; 4];
44parameter_types! {
45    pub AssetPrefix: &'static [u8] = ASSET_PRECOMPILE_ADDRESS_PREFIX;
46}
47
48/// Precompile checks for ethereum spec precompiles
49/// We allow DELEGATECALL to stay compliant with Ethereum behavior.
50type EthereumPrecompilesChecks = (AcceptDelegateCall, CallableByContract, CallableByPrecompile);
51
52/// Filter that only allows whitelisted runtime call to pass through dispatch precompile
53pub struct WhitelistedCalls;
54
55impl Contains<RuntimeCall> for WhitelistedCalls {
56    fn contains(t: &RuntimeCall) -> bool {
57        match t {
58            RuntimeCall::Utility(pallet_utility::Call::batch { calls })
59            | RuntimeCall::Utility(pallet_utility::Call::batch_all { calls }) => {
60                calls.iter().all(|call| WhitelistedCalls::contains(call))
61            }
62            RuntimeCall::DappStaking(_) => true,
63            RuntimeCall::Assets(pallet_assets::Call::transfer { .. }) => true,
64            RuntimeCall::XTokens(orml_xtokens::Call::transfer_multiasset_with_fee { .. }) => true,
65            RuntimeCall::XTokens(orml_xtokens::Call::transfer_multiasset { .. }) => true,
66            _ => false,
67        }
68    }
69}
70/// Filter that only allows whitelisted runtime call to pass through dispatch-lockdrop precompile
71pub struct WhitelistedLockdropCalls;
72
73impl Contains<RuntimeCall> for WhitelistedLockdropCalls {
74    fn contains(t: &RuntimeCall) -> bool {
75        match t {
76            RuntimeCall::Utility(pallet_utility::Call::batch { calls })
77            | RuntimeCall::Utility(pallet_utility::Call::batch_all { calls }) => calls
78                .iter()
79                .all(|call| WhitelistedLockdropCalls::contains(call)),
80            RuntimeCall::DappStaking(pallet_dapp_staking::Call::unbond_and_unstake { .. }) => true,
81            RuntimeCall::DappStaking(pallet_dapp_staking::Call::withdraw_unbonded { .. }) => true,
82            RuntimeCall::Balances(pallet_balances::Call::transfer_all { .. }) => true,
83            RuntimeCall::Balances(pallet_balances::Call::transfer_keep_alive { .. }) => true,
84            RuntimeCall::Balances(pallet_balances::Call::transfer_allow_death { .. }) => true,
85            RuntimeCall::Assets(pallet_assets::Call::transfer { .. }) => true,
86            _ => false,
87        }
88    }
89}
90
91/// The PrecompileSet installed in the Shiden runtime.
92#[precompile_utils::precompile_name_from_address]
93pub type ShidenPrecompilesSetAt<R, C> = (
94    // Ethereum precompiles:
95    // We allow DELEGATECALL to stay compliant with Ethereum behavior.
96    PrecompileAt<AddressU64<1>, ECRecover, EthereumPrecompilesChecks>,
97    PrecompileAt<AddressU64<2>, Sha256, EthereumPrecompilesChecks>,
98    PrecompileAt<AddressU64<3>, Ripemd160, EthereumPrecompilesChecks>,
99    PrecompileAt<AddressU64<4>, Identity, EthereumPrecompilesChecks>,
100    PrecompileAt<AddressU64<5>, Modexp, EthereumPrecompilesChecks>,
101    PrecompileAt<AddressU64<6>, Bn128Add, EthereumPrecompilesChecks>,
102    PrecompileAt<AddressU64<7>, Bn128Mul, EthereumPrecompilesChecks>,
103    PrecompileAt<AddressU64<8>, Bn128Pairing, EthereumPrecompilesChecks>,
104    PrecompileAt<AddressU64<9>, Blake2F, EthereumPrecompilesChecks>,
105    // Non-Astar specific nor Ethereum precompiles :
106    PrecompileAt<
107        AddressU64<1024>,
108        Sha3FIPS256<Runtime, ()>,
109        (CallableByContract, CallableByPrecompile),
110    >,
111    PrecompileAt<
112        AddressU64<1025>,
113        Dispatch<R, DispatchFilterValidate<RuntimeCall, WhitelistedCalls>>,
114        // Not callable from smart contract nor precompiles, only EOA accounts
115        (),
116    >,
117    PrecompileAt<AddressU64<1026>, ECRecoverPublicKey, (CallableByContract, CallableByPrecompile)>,
118    PrecompileAt<AddressU64<1027>, Ed25519Verify, (CallableByContract, CallableByPrecompile)>,
119    // Astar specific precompiles:
120    PrecompileAt<
121        AddressU64<20481>,
122        DappStakingV3Precompile<R>,
123        (CallableByContract, CallableByPrecompile),
124    >,
125    PrecompileAt<
126        AddressU64<20482>,
127        Sr25519Precompile<R>,
128        (CallableByContract, CallableByPrecompile),
129    >,
130    PrecompileAt<
131        AddressU64<20483>,
132        SubstrateEcdsaPrecompile<R>,
133        (CallableByContract, CallableByPrecompile),
134    >,
135    PrecompileAt<
136        AddressU64<20484>,
137        XcmPrecompile<R, C>,
138        (
139            SubcallWithMaxNesting<1>,
140            CallableByContract,
141            CallableByPrecompile,
142        ),
143    >,
144    // Skipping 20485 and 20486 to make sure all network have consistent
145    // precompiles address
146    PrecompileAt<
147        AddressU64<20487>,
148        DispatchLockdrop<
149            R,
150            DispatchFilterValidate<RuntimeCall, WhitelistedLockdropCalls>,
151            ConstU32<8>,
152        >,
153        // Not callable from smart contract nor precompiled, only EOA accounts
154        (),
155    >,
156);
157
158pub type ShidenPrecompiles<R, C> = PrecompileSetBuilder<
159    R,
160    (
161        // Skip precompiles if out of range.
162        PrecompilesInRangeInclusive<
163            // We take range as last precompile index, UPDATE this once new prcompile is added
164            (AddressU64<1>, AddressU64<20487>),
165            ShidenPrecompilesSetAt<R, C>,
166        >,
167        // Prefixed precompile sets (XC20)
168        PrecompileSetStartingWith<AssetPrefix, Erc20AssetsPrecompileSet<R>, CallableByContract>,
169    ),
170>;
shiden_runtime/precompiles.rs

shiden_runtime/
precompiles.rs
