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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| [package] | ||
| authors = ["Trust Computing GmbH <[email protected]>"] | ||
| edition = '2021' | ||
| name = "pallet-evm-precompile-omni-bridge" | ||
| version = '0.1.0' | ||
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| [dependencies] | ||
| precompile-utils = { workspace = true } | ||
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| frame-support = { workspace = true } | ||
| frame-system = { workspace = true } | ||
| pallet-omni-bridge = { workspace = true } | ||
| parity-scale-codec = { workspace = true } | ||
| scale-info = { workspace = true, features = ["derive"] } | ||
| sp-core = { workspace = true } | ||
| sp-runtime = { workspace = true } | ||
| sp-std = { workspace = true } | ||
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| fp-evm = { workspace = true } | ||
| pallet-evm = { workspace = true } | ||
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| core-primitives = { workspace = true } | ||
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| [dev-dependencies] | ||
| derive_more = { workspace = true } | ||
| hex-literal = { workspace = true } | ||
| libsecp256k1 = { workspace = true, features = ["std"] } | ||
| serde = { workspace = true } | ||
| sha3 = { workspace = true } | ||
| precompile-utils = { workspace = true, features = ["std", "testing"] } | ||
| pallet-timestamp = { workspace = true, features = ["std"] } | ||
| parity-scale-codec = { workspace = true, features = ["std"] } | ||
| sp-runtime = { workspace = true, features = ["std"] } | ||
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| [features] | ||
| default = ["std"] | ||
| std = [ | ||
| "core-primitives/std", | ||
| "fp-evm/std", | ||
| "frame-support/std", | ||
| "frame-system/std", | ||
| "libsecp256k1/std", | ||
| "pallet-omni-bridge/std", | ||
| "pallet-evm/std", | ||
| "pallet-timestamp/std", | ||
| "parity-scale-codec/std", | ||
| "precompile-utils/std", | ||
| "scale-info/std", | ||
| "serde/std", | ||
| "sha3/std", | ||
| "sp-core/std", | ||
| "sp-runtime/std", | ||
| "sp-std/std", | ||
| ] |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,14 @@ | ||
| // SPDX-License-Identifier: GPL-3.0-only | ||
| pragma solidity >=0.8.3; | ||
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| interface IOmniBridge { | ||
| /// @notice Used to transfer assets through token bridge. | ||
| /// @param amount: The amount of tokens to be transferred. | ||
| /// @param dest_id: The destination chain id indicator | ||
| /// @param native: Indicator of if asset is native. If true, asset_id will be ignored | ||
| /// @param asset_id: Resource indicator of type of assets transferred (In substrate runtime it is u128) | ||
| /// @param recipient: Recipient address, typically H160/H256 | ||
| /// @custom:selector 0xef185624 | ||
| /// payIn(uint256,uint8,bool,uint256,bytes) | ||
| function payIn(uint256 amount, uint8 dest_id, bool native, uint256 asset_id, bytes calldata recipient) external; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,91 @@ | ||
| // Copyright 2020-2024 Trust Computing GmbH. | ||
| // This file is part of Litentry. | ||
| // | ||
| // Litentry 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. | ||
| // | ||
| // Litentry 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 Litentry. If not, see <https://www.gnu.org/licenses/>. | ||
| #![cfg_attr(not(feature = "std"), no_std)] | ||
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| use fp_evm::{PrecompileFailure, PrecompileHandle}; | ||
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| use core_primitives::AssetId; | ||
| use frame_support::{ | ||
| dispatch::{GetDispatchInfo, PostDispatchInfo}, | ||
| traits::fungible::NativeOrWithId, | ||
| }; | ||
| use pallet_evm::AddressMapping; | ||
| use precompile_utils::prelude::*; | ||
| use sp_runtime::traits::Dispatchable; | ||
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| use sp_core::U256; | ||
| use sp_std::{marker::PhantomData, vec::Vec}; | ||
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| use pallet_omni_bridge::{ChainType, PayInRequest}; | ||
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| pub struct OmniBridgePrecompile<Runtime>(PhantomData<Runtime>); | ||
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| type BridgeBalanceOf<Runtime> = <Runtime as pallet_omni_bridge::Config>::Balance; | ||
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| #[precompile_utils::precompile] | ||
| impl<Runtime> OmniBridgePrecompile<Runtime> | ||
| where | ||
| Runtime: pallet_omni_bridge::Config<AssetKind = NativeOrWithId<AssetId>> + pallet_evm::Config, | ||
| Runtime::RuntimeCall: Dispatchable<PostInfo = PostDispatchInfo> + GetDispatchInfo, | ||
| Runtime::RuntimeCall: From<pallet_omni_bridge::Call<Runtime>>, | ||
| <Runtime::RuntimeCall as Dispatchable>::RuntimeOrigin: From<Option<Runtime::AccountId>>, | ||
| BridgeBalanceOf<Runtime>: TryFrom<U256> + Into<U256>, | ||
| { | ||
| #[precompile::public("payIn(uint256,uint8,bool,uint256,bytes)")] | ||
| fn pay_in( | ||
| handle: &mut impl PrecompileHandle, | ||
| amount: U256, | ||
| dest_id: u8, | ||
| native: bool, | ||
| asset_id: U256, | ||
| recipient: UnboundedBytes, | ||
| ) -> EvmResult { | ||
| let origin = Runtime::AddressMapping::into_account_id(handle.context().caller); | ||
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| let amount: BridgeBalanceOf<Runtime> = amount.try_into().map_err(|_| { | ||
| Into::<PrecompileFailure>::into(RevertReason::value_is_too_large("balance type")) | ||
| })?; | ||
| let recipient: Vec<u8> = recipient.into(); | ||
| let asset_id: AssetId = asset_id.try_into().map_err(|_| { | ||
| Into::<PrecompileFailure>::into(RevertReason::value_is_too_large("asset id type")) | ||
| })?; | ||
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| let pay_in_request: PayInRequest<NativeOrWithId<AssetId>, BridgeBalanceOf<Runtime>> = | ||
| match native { | ||
| true => PayInRequest { | ||
| asset: NativeOrWithId::Native, | ||
| // This is substrate parachain precompile | ||
| // So always be non native chain | ||
| dest_chain: ChainType::Ethereum(dest_id.into()), | ||
| dest_account: recipient, | ||
| amount, | ||
| }, | ||
| false => PayInRequest { | ||
| asset: NativeOrWithId::WithId(asset_id), | ||
| // This is substrate parachain precompile | ||
| // So always be non native chain | ||
| dest_chain: ChainType::Ethereum(dest_id.into()), | ||
| dest_account: recipient, | ||
| amount, | ||
| }, | ||
| }; | ||
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| let call = pallet_omni_bridge::Call::<Runtime>::pay_in { req: pay_in_request }; | ||
| RuntimeHelper::<Runtime>::try_dispatch(handle, Some(origin).into(), call)?; | ||
|
|
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| Ok(()) | ||
| } | ||
| } |
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