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155 changes: 155 additions & 0 deletions
155
packages/contracts-bedrock/snapshots/abi/SuperchainERC20Bridge.json
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| @@ -0,0 +1,155 @@ | ||
| [ | ||
| { | ||
| "inputs": [ | ||
| { | ||
| "internalType": "address", | ||
| "name": "_token", | ||
| "type": "address" | ||
| }, | ||
| { | ||
| "internalType": "address", | ||
| "name": "_from", | ||
| "type": "address" | ||
| }, | ||
| { | ||
| "internalType": "address", | ||
| "name": "_to", | ||
| "type": "address" | ||
| }, | ||
| { | ||
| "internalType": "uint256", | ||
| "name": "_amount", | ||
| "type": "uint256" | ||
| } | ||
| ], | ||
| "name": "relayERC20", | ||
| "outputs": [], | ||
| "stateMutability": "nonpayable", | ||
| "type": "function" | ||
| }, | ||
| { | ||
| "inputs": [ | ||
| { | ||
| "internalType": "address", | ||
| "name": "_token", | ||
| "type": "address" | ||
| }, | ||
| { | ||
| "internalType": "address", | ||
| "name": "_to", | ||
| "type": "address" | ||
| }, | ||
| { | ||
| "internalType": "uint256", | ||
| "name": "_amount", | ||
| "type": "uint256" | ||
| }, | ||
| { | ||
| "internalType": "uint256", | ||
| "name": "_chainId", | ||
| "type": "uint256" | ||
| } | ||
| ], | ||
| "name": "sendERC20", | ||
| "outputs": [], | ||
| "stateMutability": "nonpayable", | ||
| "type": "function" | ||
| }, | ||
| { | ||
| "inputs": [], | ||
| "name": "version", | ||
| "outputs": [ | ||
| { | ||
| "internalType": "string", | ||
| "name": "", | ||
| "type": "string" | ||
| } | ||
| ], | ||
| "stateMutability": "view", | ||
| "type": "function" | ||
| }, | ||
| { | ||
| "anonymous": false, | ||
| "inputs": [ | ||
| { | ||
| "indexed": true, | ||
| "internalType": "address", | ||
| "name": "token", | ||
| "type": "address" | ||
| }, | ||
| { | ||
| "indexed": true, | ||
| "internalType": "address", | ||
| "name": "from", | ||
| "type": "address" | ||
| }, | ||
| { | ||
| "indexed": true, | ||
| "internalType": "address", | ||
| "name": "to", | ||
| "type": "address" | ||
| }, | ||
| { | ||
| "indexed": false, | ||
| "internalType": "uint256", | ||
| "name": "amount", | ||
| "type": "uint256" | ||
| }, | ||
| { | ||
| "indexed": false, | ||
| "internalType": "uint256", | ||
| "name": "source", | ||
| "type": "uint256" | ||
| } | ||
| ], | ||
| "name": "RelayERC20", | ||
| "type": "event" | ||
| }, | ||
| { | ||
| "anonymous": false, | ||
| "inputs": [ | ||
| { | ||
| "indexed": true, | ||
| "internalType": "address", | ||
| "name": "token", | ||
| "type": "address" | ||
| }, | ||
| { | ||
| "indexed": true, | ||
| "internalType": "address", | ||
| "name": "from", | ||
| "type": "address" | ||
| }, | ||
| { | ||
| "indexed": true, | ||
| "internalType": "address", | ||
| "name": "to", | ||
| "type": "address" | ||
| }, | ||
| { | ||
| "indexed": false, | ||
| "internalType": "uint256", | ||
| "name": "amount", | ||
| "type": "uint256" | ||
| }, | ||
| { | ||
| "indexed": false, | ||
| "internalType": "uint256", | ||
| "name": "destination", | ||
| "type": "uint256" | ||
| } | ||
| ], | ||
| "name": "SendERC20", | ||
| "type": "event" | ||
| }, | ||
| { | ||
| "inputs": [], | ||
| "name": "CallerNotL2ToL2CrossDomainMessenger", | ||
| "type": "error" | ||
| }, | ||
| { | ||
| "inputs": [], | ||
| "name": "InvalidCrossDomainSender", | ||
| "type": "error" | ||
| } | ||
| ] |
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packages/contracts-bedrock/snapshots/storageLayout/SuperchainERC20Bridge.json
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| [] |
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59 changes: 59 additions & 0 deletions
59
packages/contracts-bedrock/src/L2/SuperchainERC20Bridge.sol
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| // SPDX-License-Identifier: MIT | ||
| pragma solidity 0.8.25; | ||
|
|
||
| // Libraries | ||
| import { Predeploys } from "src/libraries/Predeploys.sol"; | ||
|
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| // Interfaces | ||
| import { ISemver } from "src/universal/interfaces/ISemver.sol"; | ||
| import { ISuperchainERC20Bridge } from "src/L2/interfaces/ISuperchainERC20Bridge.sol"; | ||
| import { IMintableAndBurnableERC20 } from "src/L2/interfaces/IMintableAndBurnableERC20.sol"; | ||
| import { IL2ToL2CrossDomainMessenger } from "src/L2/interfaces/IL2ToL2CrossDomainMessenger.sol"; | ||
|
|
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| /// @custom:proxied true | ||
| /// @custom:predeploy 0x4200000000000000000000000000000000000028 | ||
| /// @title SuperchainERC20Bridge | ||
| /// @notice The SuperchainERC20Bridge allows for the bridging of ERC20 tokens to make them fungible across the | ||
| /// Superchain. It builds on top of the L2ToL2CrossDomainMessenger for both replay protection and domain | ||
| /// binding. | ||
| contract SuperchainERC20Bridge is ISuperchainERC20Bridge, ISemver { | ||
| /// @notice Address of the L2ToL2CrossDomainMessenger Predeploy. | ||
| address internal constant MESSENGER = Predeploys.L2_TO_L2_CROSS_DOMAIN_MESSENGER; | ||
|
|
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| /// @notice Semantic version. | ||
| /// @custom:semver 1.0.0-beta.1 | ||
| string public constant version = "1.0.0-beta.1"; | ||
|
|
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| /// @notice Sends tokens to some target address on another chain. | ||
| /// @param _token Token to send. | ||
| /// @param _to Address to send tokens to. | ||
| /// @param _amount Amount of tokens to send. | ||
| /// @param _chainId Chain ID of the destination chain. | ||
| function sendERC20(address _token, address _to, uint256 _amount, uint256 _chainId) external override { | ||
| IMintableAndBurnableERC20(_token).burn(msg.sender, _amount); | ||
|
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| bytes memory message = abi.encodeCall(this.relayERC20, (_token, msg.sender, _to, _amount)); | ||
| IL2ToL2CrossDomainMessenger(MESSENGER).sendMessage(_chainId, address(this), message); | ||
|
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| emit SendERC20(address(_token), msg.sender, _to, _amount, _chainId); | ||
| } | ||
|
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| /// @notice Relays tokens received from another chain. | ||
| /// @param _token Token to relay. | ||
| /// @param _from Address of the msg.sender of sendERC20 on the source chain. | ||
| /// @param _to Address to relay tokens to. | ||
| /// @param _amount Amount of tokens to relay. | ||
| function relayERC20(address _token, address _from, address _to, uint256 _amount) external override { | ||
| if (msg.sender != MESSENGER) revert CallerNotL2ToL2CrossDomainMessenger(); | ||
|
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| if (IL2ToL2CrossDomainMessenger(MESSENGER).crossDomainMessageSender() != address(this)) { | ||
| revert InvalidCrossDomainSender(); | ||
| } | ||
|
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| uint256 source = IL2ToL2CrossDomainMessenger(MESSENGER).crossDomainMessageSource(); | ||
|
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| IMintableAndBurnableERC20(_token).mint(_to, _amount); | ||
|
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| emit RelayERC20(address(_token), _from, _to, _amount, source); | ||
| } | ||
| } |
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packages/contracts-bedrock/src/L2/interfaces/IMintableAndBurnableERC20.sol
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| // SPDX-License-Identifier: MIT | ||
| pragma solidity ^0.8.0; | ||
|
|
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| import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol"; | ||
|
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| /// @title IMintableAndBurnableERC20 | ||
| /// @notice Interface for mintable and burnable ERC20 tokens. | ||
| interface IMintableAndBurnableERC20 is IERC20 { | ||
| /// @notice Mints `_amount` of tokens to `_to`. | ||
| /// @param _to Address to mint tokens to. | ||
| /// @param _amount Amount of tokens to mint. | ||
| function mint(address _to, uint256 _amount) external; | ||
|
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| /// @notice Burns `_amount` of tokens from `_from`. | ||
| /// @param _from Address to burn tokens from. | ||
| /// @param _amount Amount of tokens to burn. | ||
| function burn(address _from, uint256 _amount) external; | ||
| } |
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packages/contracts-bedrock/src/L2/interfaces/ISuperchainERC20Bridge.sol
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| // SPDX-License-Identifier: MIT | ||
| pragma solidity ^0.8.0; | ||
|
|
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| /// @title ISuperchainERC20Bridge | ||
| /// @notice Interface for the SuperchainERC20Bridge contract. | ||
| interface ISuperchainERC20Bridge { | ||
| /// @notice Thrown when attempting to relay a message and the function caller (msg.sender) is not | ||
| /// L2ToL2CrossDomainMessenger. | ||
| error CallerNotL2ToL2CrossDomainMessenger(); | ||
|
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| /// @notice Thrown when attempting to relay a message and the cross domain message sender is not the | ||
| /// SuperchainERC20Bridge. | ||
| error InvalidCrossDomainSender(); | ||
|
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| /// @notice Emitted when tokens are sent from one chain to another. | ||
| /// @param token Address of the token sent. | ||
| /// @param from Address of the sender. | ||
| /// @param to Address of the recipient. | ||
| /// @param amount Number of tokens sent. | ||
| /// @param destination Chain ID of the destination chain. | ||
| event SendERC20( | ||
| address indexed token, address indexed from, address indexed to, uint256 amount, uint256 destination | ||
| ); | ||
|
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| /// @notice Emitted whenever tokens are successfully relayed on this chain. | ||
| /// @param token Address of the token relayed. | ||
| /// @param from Address of the msg.sender of sendERC20 on the source chain. | ||
| /// @param to Address of the recipient. | ||
| /// @param amount Amount of tokens relayed. | ||
| /// @param source Chain ID of the source chain. | ||
| event RelayERC20(address indexed token, address indexed from, address indexed to, uint256 amount, uint256 source); | ||
|
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| /// @notice Sends tokens to some target address on another chain. | ||
| /// @param _token Token to send. | ||
| /// @param _to Address to send tokens to. | ||
| /// @param _amount Amount of tokens to send. | ||
| /// @param _chainId Chain ID of the destination chain. | ||
| function sendERC20(address _token, address _to, uint256 _amount, uint256 _chainId) external; | ||
|
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| /// @notice Relays tokens received from another chain. | ||
| /// @param _token Token to relay. | ||
| /// @param _from Address of the msg.sender of sendERC20 on the source chain. | ||
| /// @param _to Address to relay tokens to. | ||
| /// @param _amount Amount of tokens to relay. | ||
| function relayERC20(address _token, address _from, address _to, uint256 _amount) external; | ||
| } |
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