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Contract Name:
Bridge
Compiler Version
v0.8.24+commit.e11b9ed9
Optimization Enabled:
Yes with 200 runs
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cancun EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity 0.8.24; import "../common/EssentialContract.sol"; import "../common/LibStrings.sol"; import "../libs/LibAddress.sol"; import "../libs/LibMath.sol"; import "../signal/ISignalService.sol"; import "./IBridge.sol"; import "./IQuotaManager.sol"; /// @title Bridge /// @notice See the documentation for {IBridge}. /// @dev Labeled in AddressResolver as "bridge". Additionally, the code hash for the same address on /// L1 and L2 may be different. /// @custom:security-contact [email protected] contract Bridge is EssentialContract, IBridge { using Address for address; using LibMath for uint256; using LibAddress for address; using LibAddress for address payable; struct ProcessingStats { uint32 gasUsedInFeeCalc; uint32 proofSize; uint32 numCacheOps; } /// @dev A debug event for fine-tuning gas related constants in the future. event MessageProcessed(bytes32 indexed msgHash, Message message, ProcessingStats stats); /// @dev The amount of gas that will be deducted from message.gasLimit before calculating the /// invocation gas limit. This value should be fine-tuned with production data. uint32 public constant GAS_RESERVE = 800_000; /// @dev The gas overhead for both receiving and invoking a message, as well as the proof /// calldata cost. /// This value should be fine-tuned with production data. uint32 public constant GAS_OVERHEAD = 120_000; /// @dev The amount of gas not to charge fee per cache operation. uint256 private constant _GAS_REFUND_PER_CACHE_OPERATION = 20_000; /// @dev The slot in transient storage of the call context. This is the keccak256 hash /// of "bridge.ctx_slot" bytes32 private constant _CTX_SLOT = 0xe4ece82196de19aabe639620d7f716c433d1348f96ce727c9989a982dbadc2b9; /// @dev Gas limit for sending Ether. // - EOA gas used is < 21000 // - For Loopring smart wallet, gas used is about 23000 // - For Argent smart wallet on Ethereum, gas used is about 24000 // - For Gnosis Safe wallet, gas used is about 28000 uint256 private constant _SEND_ETHER_GAS_LIMIT = 35_000; /// @dev Place holder value when not using transient storage uint256 private constant _PLACEHOLDER = type(uint256).max; /// @notice The next message ID. /// @dev Slot 1. uint64 private __reserved1; uint64 public nextMessageId; /// @notice Mapping to store the status of a message from its hash. /// @dev Slot 2. mapping(bytes32 msgHash => Status status) public messageStatus; /// @dev Slots 3 and 4 Context private __ctx; /// @dev Slot 5. uint256 private __reserved2; /// @dev Slot 6. uint256 private __reserved3; uint256[44] private __gap; error B_INVALID_CHAINID(); error B_INVALID_CONTEXT(); error B_INVALID_FEE(); error B_INVALID_GAS_LIMIT(); error B_INVALID_STATUS(); error B_INVALID_USER(); error B_INVALID_VALUE(); error B_INSUFFICIENT_GAS(); error B_MESSAGE_NOT_SENT(); error B_OUT_OF_ETH_QUOTA(); error B_PERMISSION_DENIED(); error B_RETRY_FAILED(); error B_SIGNAL_NOT_RECEIVED(); modifier sameChain(uint64 _chainId) { if (_chainId != block.chainid) revert B_INVALID_CHAINID(); _; } modifier diffChain(uint64 _chainId) { if (_chainId == 0 || _chainId == block.chainid) revert B_INVALID_CHAINID(); _; } modifier nonZeroAddr(address _addr) { if (_addr == address(0)) revert B_INVALID_USER(); _; } /// @notice Function to receive Ether. receive() external payable { } /// @notice Initializes the contract. /// @param _owner The owner of this contract. msg.sender will be used if this value is zero. /// @param _addressManager The address of the {AddressManager} contract. function init(address _owner, address _addressManager) external initializer { __Essential_init(_owner, _addressManager); } function init2() external onlyOwner reinitializer(2) { // reset some previously used slots for future reuse __reserved1 = 0; __reserved2 = 0; __reserved3 = 0; } /// @inheritdoc IBridge function sendMessage(Message calldata _message) external payable override nonZeroAddr(_message.srcOwner) nonZeroAddr(_message.destOwner) diffChain(_message.destChainId) whenNotPaused nonReentrant returns (bytes32 msgHash_, Message memory message_) { if (_message.gasLimit == 0) { if (_message.fee != 0) revert B_INVALID_FEE(); } else if (_invocationGasLimit(_message, false) == 0) { revert B_INVALID_GAS_LIMIT(); } // Check if the destination chain is enabled. (bool destChainEnabled,) = isDestChainEnabled(_message.destChainId); // Verify destination chain. if (!destChainEnabled) revert B_INVALID_CHAINID(); // Ensure the sent value matches the expected amount. if (_message.value + _message.fee != msg.value) revert B_INVALID_VALUE(); message_ = _message; // Configure message details and send signal to indicate message sending. message_.id = nextMessageId++; message_.from = msg.sender; message_.srcChainId = uint64(block.chainid); msgHash_ = hashMessage(message_); emit MessageSent(msgHash_, message_); ISignalService(resolve(LibStrings.B_SIGNAL_SERVICE, false)).sendSignal(msgHash_); } /// @inheritdoc IBridge function recallMessage( Message calldata _message, bytes calldata _proof ) external sameChain(_message.srcChainId) diffChain(_message.destChainId) whenNotPaused nonReentrant { bytes32 msgHash = hashMessage(_message); _checkStatus(msgHash, Status.NEW); address signalService = resolve(LibStrings.B_SIGNAL_SERVICE, false); if (!ISignalService(signalService).isSignalSent(address(this), msgHash)) { revert B_MESSAGE_NOT_SENT(); } _proveSignalReceived( signalService, signalForFailedMessage(msgHash), _message.destChainId, _proof ); _updateMessageStatus(msgHash, Status.RECALLED); if (!_consumeEtherQuota(_message.value)) revert B_OUT_OF_ETH_QUOTA(); // Execute the recall logic based on the contract's support for the // IRecallableSender interface if (_message.from.supportsInterface(type(IRecallableSender).interfaceId)) { _storeContext(msgHash, address(this), _message.srcChainId); // Perform recall IRecallableSender(_message.from).onMessageRecalled{ value: _message.value }( _message, msgHash ); // Must reset the context after the message call _resetContext(); } else { _message.srcOwner.sendEtherAndVerify(_message.value, _SEND_ETHER_GAS_LIMIT); } } /// @inheritdoc IBridge /// @dev This transaction's gas limit must not be smaller than: /// `(message.gasLimit - GAS_RESERVE) * 64 / 63 + GAS_RESERVE`, /// Or we can use a simplified rule: `tx.gaslimit = message.gaslimit * 102%`. function processMessage( Message calldata _message, bytes calldata _proof ) external whenNotPaused nonReentrant returns (Status status_, StatusReason reason_) { uint256 gasStart = gasleft(); // same as `sameChain(_message.destChainId)` but without stack-too-deep if (_message.destChainId != block.chainid) revert B_INVALID_CHAINID(); // same as `diffChain(_message.srcChainId)` but without stack-too-deep if (_message.srcChainId == 0 || _message.srcChainId == block.chainid) { revert B_INVALID_CHAINID(); } // If the gas limit is set to zero, only the owner can process the message. if (_message.gasLimit == 0 && msg.sender != _message.destOwner) { revert B_PERMISSION_DENIED(); } bytes32 msgHash = hashMessage(_message); _checkStatus(msgHash, Status.NEW); address signalService = resolve(LibStrings.B_SIGNAL_SERVICE, false); ProcessingStats memory stats; stats.proofSize = uint32(_proof.length); stats.numCacheOps = _proveSignalReceived(signalService, msgHash, _message.srcChainId, _proof); if (!_consumeEtherQuota(_message.value + _message.fee)) { if (msg.sender != _message.destOwner) revert B_OUT_OF_ETH_QUOTA(); status_ = Status.RETRIABLE; reason_ = StatusReason.OUT_OF_ETH_QUOTA; } else { uint256 refundAmount; if (_unableToInvokeMessageCall(_message, signalService)) { // Handle special addresses that don't require actual invocation but // mark message as DONE refundAmount = _message.value; status_ = Status.DONE; reason_ = StatusReason.INVOCATION_PROHIBITED; } else { uint256 gasLimit = msg.sender == _message.destOwner ? gasleft() // ignore _message.gasLimit : _invocationGasLimit(_message, true); if (_invokeMessageCall(_message, msgHash, gasLimit)) { status_ = Status.DONE; reason_ = StatusReason.INVOCATION_OK; } else { status_ = Status.RETRIABLE; reason_ = StatusReason.INVOCATION_FAILED; } } if (_message.fee != 0) { refundAmount += _message.fee; if (msg.sender != _message.destOwner && _message.gasLimit != 0) { unchecked { uint256 refund = stats.numCacheOps * _GAS_REFUND_PER_CACHE_OPERATION; stats.gasUsedInFeeCalc = uint32(GAS_OVERHEAD + gasStart - gasleft()); uint256 gasCharged = refund.max(stats.gasUsedInFeeCalc) - refund; uint256 maxFee = gasCharged * _message.fee / _message.gasLimit; uint256 baseFee = gasCharged * block.basefee; uint256 fee = (baseFee >= maxFee ? maxFee : (maxFee + baseFee) >> 1).min(_message.fee); refundAmount -= fee; msg.sender.sendEtherAndVerify(fee, _SEND_ETHER_GAS_LIMIT); } } } _message.destOwner.sendEtherAndVerify(refundAmount, _SEND_ETHER_GAS_LIMIT); } _updateMessageStatus(msgHash, status_); emit MessageProcessed(msgHash, _message, stats); } /// @inheritdoc IBridge function retryMessage( Message calldata _message, bool _isLastAttempt ) external sameChain(_message.destChainId) diffChain(_message.srcChainId) whenNotPaused nonReentrant { bytes32 msgHash = hashMessage(_message); _checkStatus(msgHash, Status.RETRIABLE); if (!_consumeEtherQuota(_message.value)) revert B_OUT_OF_ETH_QUOTA(); uint256 invocationGasLimit; if (msg.sender != _message.destOwner) { if (_message.gasLimit == 0 || _isLastAttempt) revert B_PERMISSION_DENIED(); invocationGasLimit = _invocationGasLimit(_message, true); } else { // The owner uses all gas left in message invocation invocationGasLimit = gasleft(); } // Attempt to invoke the messageCall. if (_invokeMessageCall(_message, msgHash, invocationGasLimit)) { _updateMessageStatus(msgHash, Status.DONE); } else if (_isLastAttempt) { _updateMessageStatus(msgHash, Status.FAILED); ISignalService(resolve(LibStrings.B_SIGNAL_SERVICE, false)).sendSignal( signalForFailedMessage(msgHash) ); } else { revert B_RETRY_FAILED(); } } /// @inheritdoc IBridge function failMessage(Message calldata _message) external sameChain(_message.destChainId) diffChain(_message.srcChainId) whenNotPaused nonReentrant { if (msg.sender != _message.destOwner) revert B_PERMISSION_DENIED(); bytes32 msgHash = hashMessage(_message); _checkStatus(msgHash, Status.RETRIABLE); _updateMessageStatus(msgHash, Status.FAILED); ISignalService(resolve(LibStrings.B_SIGNAL_SERVICE, false)).sendSignal( signalForFailedMessage(msgHash) ); } /// @inheritdoc IBridge function isMessageSent(Message calldata _message) external view returns (bool) { if (_message.srcChainId != block.chainid) return false; return ISignalService(resolve(LibStrings.B_SIGNAL_SERVICE, false)).isSignalSent({ _app: address(this), _signal: hashMessage(_message) }); } /// @notice Checks if a msgHash has failed on its destination chain. /// This is the 'readonly' version of proveMessageFailed. /// @param _message The message. /// @param _proof The merkle inclusion proof. /// @return true if the message has failed, false otherwise. function isMessageFailed( Message calldata _message, bytes calldata _proof ) external view returns (bool) { if (_message.srcChainId != block.chainid) return false; return _isSignalReceived( resolve(LibStrings.B_SIGNAL_SERVICE, false), signalForFailedMessage(hashMessage(_message)), _message.destChainId, _proof ); } /// @notice Checks if a msgHash has been received on its source chain. /// This is the 'readonly' version of proveMessageReceived. /// @param _message The message. /// @param _proof The merkle inclusion proof. /// @return true if the message has been received, false otherwise. function isMessageReceived( Message calldata _message, bytes calldata _proof ) external view returns (bool) { if (_message.destChainId != block.chainid) return false; return _isSignalReceived( resolve(LibStrings.B_SIGNAL_SERVICE, false), hashMessage(_message), _message.srcChainId, _proof ); } /// @notice Checks if the destination chain is enabled. /// @param _chainId The destination chain ID. /// @return enabled_ True if the destination chain is enabled. /// @return destBridge_ The bridge of the destination chain. function isDestChainEnabled(uint64 _chainId) public view returns (bool enabled_, address destBridge_) { destBridge_ = resolve(_chainId, LibStrings.B_BRIDGE, true); enabled_ = destBridge_ != address(0); } /// @notice Gets the current context. /// @inheritdoc IBridge function context() external view returns (Context memory ctx_) { ctx_ = _loadContext(); if (ctx_.msgHash == 0 || ctx_.msgHash == bytes32(_PLACEHOLDER)) { revert B_INVALID_CONTEXT(); } } /// @inheritdoc IBridge function hashMessage(Message memory _message) public pure returns (bytes32) { return keccak256(abi.encode("TAIKO_MESSAGE", _message)); } /// @notice Returns a signal representing a failed/recalled message. /// @param _msgHash The message hash. /// @return The failed representation of it as bytes32. function signalForFailedMessage(bytes32 _msgHash) public pure returns (bytes32) { return _msgHash ^ bytes32(uint256(Status.FAILED)); } /// @notice Returns the minimal gas limit required for sending a given message. /// @param dataLength The length of message.data. /// @return The minimal gas limit required for sending this message. function getMessageMinGasLimit(uint256 dataLength) public pure returns (uint32) { unchecked { // Message struct takes 7*32=224 bytes + a variable length array. // Since ABI.encode pads data to multiples of 32 bytes, we over-charge 32 bytes return GAS_RESERVE + uint32((dataLength + 256) >> 4); } } /// @notice Checks if the given address can pause and/or unpause the bridge. /// @dev Considering that the watchdog is a hot wallet, in case its private key is leaked, we /// only allow watchdog to pause the bridge, but does not allow it to unpause the bridge. function _authorizePause(address addr, bool toPause) internal view override { // Owenr and chain_pauser can pause/unpause the bridge. if (addr == owner() || addr == resolve(LibStrings.B_CHAIN_WATCHDOG, true)) return; // bridge_watchdog can pause the bridge, but cannot unpause it. if (toPause && addr == resolve(LibStrings.B_BRIDGE_WATCHDOG, true)) return; revert RESOLVER_DENIED(); } /// @notice Invokes a call message on the Bridge. /// @param _message The call message to be invoked. /// @param _msgHash The hash of the message. /// @return success_ A boolean value indicating whether the message call was successful. /// @dev This function updates the context in the state before and after the /// message call. function _invokeMessageCall( Message calldata _message, bytes32 _msgHash, uint256 _gasLimit ) private returns (bool success_) { assert(_message.from != address(this)); if (_gasLimit == 0) return false; _storeContext(_msgHash, _message.from, _message.srcChainId); success_ = _message.to.sendEther(_message.value, _gasLimit, _message.data); _resetContext(); } /// @notice Updates the status of a bridge message. /// @dev If the new status is different from the current status in the /// mapping, the status is updated and an event is emitted. /// @param _msgHash The hash of the message. /// @param _status The new status of the message. function _updateMessageStatus(bytes32 _msgHash, Status _status) private { if (messageStatus[_msgHash] == _status) revert B_INVALID_STATUS(); messageStatus[_msgHash] = _status; emit MessageStatusChanged(_msgHash, _status); } /// @notice Resets the call context function _resetContext() private { if (LibNetwork.isDencunSupported(block.chainid)) { _storeContext(bytes32(0), address(0), uint64(0)); } else { _storeContext( bytes32(_PLACEHOLDER), address(uint160(_PLACEHOLDER)), uint64(_PLACEHOLDER) ); } } /// @notice Stores the call context /// @param _msgHash The message hash. /// @param _from The sender's address. /// @param _srcChainId The source chain ID. function _storeContext(bytes32 _msgHash, address _from, uint64 _srcChainId) private { if (LibNetwork.isDencunSupported(block.chainid)) { assembly { tstore(_CTX_SLOT, _msgHash) tstore(add(_CTX_SLOT, 1), _from) tstore(add(_CTX_SLOT, 2), _srcChainId) } } else { __ctx = Context(_msgHash, _from, _srcChainId); } } /// @notice Loads and returns the call context. /// @return ctx_ The call context. function _loadContext() private view returns (Context memory) { if (LibNetwork.isDencunSupported(block.chainid)) { bytes32 msgHash; address from; uint64 srcChainId; assembly { msgHash := tload(_CTX_SLOT) from := tload(add(_CTX_SLOT, 1)) srcChainId := tload(add(_CTX_SLOT, 2)) } return Context(msgHash, from, srcChainId); } else { return __ctx; } } /// @notice Checks if the signal was received and caches cross-chain data if requested. /// @param _signalService The signal service address. /// @param _signal The signal. /// @param _chainId The ID of the chain the signal is stored on. /// @param _proof The merkle inclusion proof. /// @return numCacheOps_ Num of cached items function _proveSignalReceived( address _signalService, bytes32 _signal, uint64 _chainId, bytes calldata _proof ) private returns (uint32 numCacheOps_) { try ISignalService(_signalService).proveSignalReceived( _chainId, resolve(_chainId, LibStrings.B_BRIDGE, false), _signal, _proof ) returns (uint256 numCacheOps) { numCacheOps_ = uint32(numCacheOps); } catch { revert B_SIGNAL_NOT_RECEIVED(); } } /// @notice Checks if the signal was received. /// This is the 'readonly' version of _proveSignalReceived. /// @param _signalService The signal service address. /// @param _signal The signal. /// @param _chainId The ID of the chain the signal is stored on. /// @param _proof The merkle inclusion proof. /// @return true if the message was received. function _isSignalReceived( address _signalService, bytes32 _signal, uint64 _chainId, bytes calldata _proof ) private view returns (bool) { try ISignalService(_signalService).verifySignalReceived( _chainId, resolve(_chainId, LibStrings.B_BRIDGE, false), _signal, _proof ) { return true; } catch { return false; } } function _invocationGasLimit( Message calldata _message, bool _checkThe63Over64Rule ) private view returns (uint256 gasLimit_) { unchecked { uint256 minGasRequired = getMessageMinGasLimit(_message.data.length); gasLimit_ = minGasRequired.max(_message.gasLimit) - minGasRequired; } if (_checkThe63Over64Rule && (gasleft() * 63) >> 6 < gasLimit_) { revert B_INSUFFICIENT_GAS(); } } function _checkStatus(bytes32 _msgHash, Status _expectedStatus) private view { if (messageStatus[_msgHash] != _expectedStatus) revert B_INVALID_STATUS(); } function _consumeEtherQuota(uint256 _amount) private returns (bool) { address quotaManager = resolve(LibStrings.B_QUOTA_MANAGER, true); if (quotaManager == address(0)) return true; try IQuotaManager(quotaManager).consumeQuota(address(0), _amount) { return true; } catch { return false; } } function _unableToInvokeMessageCall( Message calldata _message, address _signalService ) internal view returns (bool) { if (_message.to == address(0)) return true; if (_message.to == address(this)) return true; if (_message.to == _signalService) return true; return _message.data.length >= 4 && bytes4(_message.data) != IMessageInvocable.onMessageInvocation.selector && _message.to.isContract(); } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.24; import "@openzeppelin/contracts/proxy/utils/UUPSUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/access/Ownable2StepUpgradeable.sol"; import "./AddressResolver.sol"; import "../libs/LibNetwork.sol"; /// @title EssentialContract /// @custom:security-contact [email protected] abstract contract EssentialContract is UUPSUpgradeable, Ownable2StepUpgradeable, AddressResolver { uint8 private constant _FALSE = 1; uint8 private constant _TRUE = 2; /// @dev The slot in transient storage of the reentry lock. /// This is the result of keccak256("ownerUUPS.reentry_slot") plus 1. The addition aims to /// prevent hash collisions with slots defined in EIP-1967, where slots are derived by /// keccak256("something") - 1, and with slots in SignalService, calculated directly with /// keccak256("something"). bytes32 private constant _REENTRY_SLOT = 0xa5054f728453d3dbe953bdc43e4d0cb97e662ea32d7958190f3dc2da31d9721b; /// @dev Slot 1. uint8 private __reentry; uint8 private __paused; uint64 public lastUnpausedAt; uint256[49] private __gap; /// @notice Emitted when the contract is paused. /// @param account The account that paused the contract. event Paused(address account); /// @notice Emitted when the contract is unpaused. /// @param account The account that unpaused the contract. event Unpaused(address account); error REENTRANT_CALL(); error INVALID_PAUSE_STATUS(); error ZERO_ADDR_MANAGER(); error FUNC_NOT_IMPLEMENTED(); /// @dev Modifier that ensures the caller is the owner or resolved address of a given name. /// @param _name The name to check against. modifier onlyFromOwnerOrNamed(bytes32 _name) { if (msg.sender != owner() && msg.sender != resolve(_name, true)) revert RESOLVER_DENIED(); _; } modifier notImplemented() { revert FUNC_NOT_IMPLEMENTED(); _; } modifier nonReentrant() { if (_loadReentryLock() == _TRUE) revert REENTRANT_CALL(); _storeReentryLock(_TRUE); _; _storeReentryLock(_FALSE); } modifier whenPaused() { if (!paused()) revert INVALID_PAUSE_STATUS(); _; } modifier whenNotPaused() { if (paused()) revert INVALID_PAUSE_STATUS(); _; } /// @custom:oz-upgrades-unsafe-allow constructor constructor() { _disableInitializers(); } /// @notice Pauses the contract. function pause() public virtual { _pause(); // We call the authorize function here to avoid: // Warning (5740): Unreachable code. _authorizePause(msg.sender, true); } /// @notice Unpauses the contract. function unpause() public virtual { _unpause(); // We call the authorize function here to avoid: // Warning (5740): Unreachable code. _authorizePause(msg.sender, false); } function impl() public view returns (address) { return _getImplementation(); } /// @notice Returns true if the contract is paused, and false otherwise. /// @return true if paused, false otherwise. function paused() public view returns (bool) { return __paused == _TRUE; } function inNonReentrant() public view returns (bool) { return _loadReentryLock() == _TRUE; } /// @notice Initializes the contract. /// @param _owner The owner of this contract. msg.sender will be used if this value is zero. /// @param _addressManager The address of the {AddressManager} contract. function __Essential_init(address _owner, address _addressManager) internal { if (_addressManager == address(0)) revert ZERO_ADDR_MANAGER(); __Essential_init(_owner); __AddressResolver_init(_addressManager); } function __Essential_init(address _owner) internal virtual onlyInitializing { __Context_init(); _transferOwnership(_owner == address(0) ? msg.sender : _owner); __paused = _FALSE; } function _pause() internal whenNotPaused { __paused = _TRUE; emit Paused(msg.sender); } function _unpause() internal whenPaused { __paused = _FALSE; lastUnpausedAt = uint64(block.timestamp); emit Unpaused(msg.sender); } function _authorizeUpgrade(address) internal virtual override onlyOwner { } function _authorizePause(address, bool) internal virtual onlyOwner { } // Stores the reentry lock function _storeReentryLock(uint8 _reentry) internal virtual { if (LibNetwork.isDencunSupported(block.chainid)) { assembly { tstore(_REENTRY_SLOT, _reentry) } } else { __reentry = _reentry; } } // Loads the reentry lock function _loadReentryLock() internal view virtual returns (uint8 reentry_) { if (LibNetwork.isDencunSupported(block.chainid)) { assembly { reentry_ := tload(_REENTRY_SLOT) } } else { reentry_ = __reentry; } } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.24; /// @title LibStrings /// @custom:security-contact [email protected] library LibStrings { bytes32 internal constant B_AUTOMATA_DCAP_ATTESTATION = bytes32("automata_dcap_attestation"); bytes32 internal constant B_BRIDGE = bytes32("bridge"); bytes32 internal constant B_BRIDGE_WATCHDOG = bytes32("bridge_watchdog"); bytes32 internal constant B_BRIDGED_ERC1155 = bytes32("bridged_erc1155"); bytes32 internal constant B_BRIDGED_ERC20 = bytes32("bridged_erc20"); bytes32 internal constant B_BRIDGED_ERC721 = bytes32("bridged_erc721"); bytes32 internal constant B_CHAIN_WATCHDOG = bytes32("chain_watchdog"); bytes32 internal constant B_ERC1155_VAULT = bytes32("erc1155_vault"); bytes32 internal constant B_ERC20_VAULT = bytes32("erc20_vault"); bytes32 internal constant B_ERC721_VAULT = bytes32("erc721_vault"); bytes32 internal constant B_PROPOSER = bytes32("proposer"); bytes32 internal constant B_PROPOSER_ONE = bytes32("proposer_one"); bytes32 internal constant B_PROVER_ASSIGNMENT = bytes32("PROVER_ASSIGNMENT"); bytes32 internal constant B_QUOTA_MANAGER = bytes32("quota_manager"); bytes32 internal constant B_SGX_WATCHDOG = bytes32("sgx_watchdog"); bytes32 internal constant B_SIGNAL_SERVICE = bytes32("signal_service"); bytes32 internal constant B_TAIKO = bytes32("taiko"); bytes32 internal constant B_TAIKO_TOKEN = bytes32("taiko_token"); bytes32 internal constant B_TIER_GUARDIAN = bytes32("tier_guardian"); bytes32 internal constant B_TIER_GUARDIAN_MINORITY = bytes32("tier_guardian_minority"); bytes32 internal constant B_TIER_PROVIDER = bytes32("tier_provider"); bytes32 internal constant B_TIER_SGX = bytes32("tier_sgx"); bytes32 internal constant B_TIER_SGX_ZKVM = bytes32("tier_sgx_zkvm"); bytes32 internal constant B_WITHDRAWER = bytes32("withdrawer"); bytes32 internal constant H_RETURN_LIVENESS_BOND = keccak256("RETURN_LIVENESS_BOND"); bytes32 internal constant H_SIGNAL_ROOT = keccak256("SIGNAL_ROOT"); bytes32 internal constant H_STATE_ROOT = keccak256("STATE_ROOT"); }
// SPDX-License-Identifier: MIT pragma solidity 0.8.24; import "@openzeppelin/contracts/utils/Address.sol"; import "@openzeppelin/contracts/utils/introspection/IERC165.sol"; import "@openzeppelin/contracts/interfaces/IERC1271.sol"; /// @title LibAddress /// @dev Provides utilities for address-related operations. /// @custom:security-contact [email protected] library LibAddress { bytes4 private constant _EIP1271_MAGICVALUE = 0x1626ba7e; error ETH_TRANSFER_FAILED(); /// @dev Sends Ether to the specified address. This method will not revert even if sending ether /// fails. /// This function is inspired by /// https://github.com/nomad-xyz/ExcessivelySafeCall/blob/main/src/ExcessivelySafeCall.sol /// @param _to The recipient address. /// @param _amount The amount of Ether to send in wei. /// @param _gasLimit The max amount gas to pay for this transaction. /// @return success_ true if the call is successful, false otherwise. function sendEther( address _to, uint256 _amount, uint256 _gasLimit, bytes memory _calldata ) internal returns (bool success_) { // Check for zero-address transactions if (_to == address(0)) revert ETH_TRANSFER_FAILED(); // dispatch message to recipient // by assembly calling "handle" function // we call via assembly to avoid memcopying a very large returndata // returned by a malicious contract assembly { success_ := call( _gasLimit, // gas _to, // recipient _amount, // ether value add(_calldata, 0x20), // inloc mload(_calldata), // inlen 0, // outloc 0 // outlen ) } } /// @dev Sends Ether to the specified address. This method will revert if sending ether fails. /// @param _to The recipient address. /// @param _amount The amount of Ether to send in wei. /// @param _gasLimit The max amount gas to pay for this transaction. function sendEtherAndVerify(address _to, uint256 _amount, uint256 _gasLimit) internal { if (_amount == 0) return; if (!sendEther(_to, _amount, _gasLimit, "")) { revert ETH_TRANSFER_FAILED(); } } /// @dev Sends Ether to the specified address. This method will revert if sending ether fails. /// @param _to The recipient address. /// @param _amount The amount of Ether to send in wei. function sendEtherAndVerify(address _to, uint256 _amount) internal { sendEtherAndVerify(_to, _amount, gasleft()); } function supportsInterface( address _addr, bytes4 _interfaceId ) internal view returns (bool result_) { if (!Address.isContract(_addr)) return false; try IERC165(_addr).supportsInterface(_interfaceId) returns (bool _result) { result_ = _result; } catch { } } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.24; /// @title LibMath /// @dev This library offers additional math functions for uint256. /// @custom:security-contact [email protected] library LibMath { /// @dev Returns the smaller of the two given values. /// @param _a The first number to compare. /// @param _b The second number to compare. /// @return The smaller of the two numbers. function min(uint256 _a, uint256 _b) internal pure returns (uint256) { return _a > _b ? _b : _a; } /// @dev Returns the larger of the two given values. /// @param _a The first number to compare. /// @param _b The second number to compare. /// @return The larger of the two numbers. function max(uint256 _a, uint256 _b) internal pure returns (uint256) { return _a > _b ? _a : _b; } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.24; /// @title ISignalService /// @notice The SignalService contract serves as a secure cross-chain message /// passing system. It defines methods for sending and verifying signals with /// merkle proofs. The trust assumption is that the target chain has secure /// access to the merkle root (such as Taiko injects it in the anchor /// transaction). With this, verifying a signal is reduced to simply verifying /// a merkle proof. /// @custom:security-contact [email protected] interface ISignalService { enum CacheOption { CACHE_NOTHING, CACHE_SIGNAL_ROOT, CACHE_STATE_ROOT, CACHE_BOTH } struct HopProof { /// @notice This hop's destination chain ID. If there is a next hop, this ID is the next /// hop's source chain ID. uint64 chainId; /// @notice The ID of a source chain block whose state root has been synced to the hop's /// destination chain. /// Note that this block ID must be greater than or equal to the block ID where the signal /// was sent on the source chain. uint64 blockId; /// @notice The state root or signal root of the source chain at the above blockId. This /// value has been synced to the destination chain. /// @dev To get both the blockId and the rootHash, apps should subscribe to the /// ChainDataSynced event or query `topBlockId` first using the source chain's ID and /// LibStrings.H_STATE_ROOT to get the most recent block ID synced, then call /// `getSyncedChainData` to read the synchronized data. bytes32 rootHash; /// @notice Options to cache either the state roots or signal roots of middle-hops to the /// current chain. CacheOption cacheOption; /// @notice The signal service's account proof. If this value is empty, then `rootHash` will /// be used as the signal root, otherwise, `rootHash` will be used as the state root. bytes[] accountProof; /// @notice The signal service's storage proof. bytes[] storageProof; } /// @notice Emitted when a remote chain's state root or signal root is /// synced locally as a signal. /// @param chainId The remote chainId. /// @param blockId The chain data's corresponding blockId. /// @param kind A value to mark the data type. /// @param data The remote data. /// @param signal The signal for this chain data. event ChainDataSynced( uint64 indexed chainId, uint64 indexed blockId, bytes32 indexed kind, bytes32 data, bytes32 signal ); /// @notice Emitted when a signal is sent. /// @param app The address that initiated the signal. /// @param signal The signal (message) that was sent. /// @param slot The location in storage where this signal is stored. /// @param value The value of the signal. event SignalSent(address app, bytes32 signal, bytes32 slot, bytes32 value); /// @notice Emitted when an address is authorized or deauthorized. /// @param addr The address to be authorized or deauthorized. /// @param authorized True if authorized, false otherwise. event Authorized(address indexed addr, bool authorized); /// @notice Send a signal (message) by setting the storage slot to a value of 1. /// @param _signal The signal (message) to send. /// @return slot_ The location in storage where this signal is stored. function sendSignal(bytes32 _signal) external returns (bytes32 slot_); /// @notice Sync a data from a remote chain locally as a signal. The signal is calculated /// uniquely from chainId, kind, and data. /// @param _chainId The remote chainId. /// @param _kind A value to mark the data type. /// @param _blockId The chain data's corresponding blockId /// @param _chainData The remote data. /// @return signal_ The signal for this chain data. function syncChainData( uint64 _chainId, bytes32 _kind, uint64 _blockId, bytes32 _chainData ) external returns (bytes32 signal_); /// @notice Verifies if a signal has been received on the target chain. /// @param _chainId The identifier for the source chain from which the /// signal originated. /// @param _app The address that initiated the signal. /// @param _signal The signal (message) to send. /// @param _proof Merkle proof that the signal was persisted on the /// source chain. /// @return numCacheOps_ The number of newly cached items. function proveSignalReceived( uint64 _chainId, address _app, bytes32 _signal, bytes calldata _proof ) external returns (uint256 numCacheOps_); /// @notice Verifies if a signal has been received on the target chain. /// This is the "readonly" version of proveSignalReceived. /// @param _chainId The identifier for the source chain from which the /// signal originated. /// @param _app The address that initiated the signal. /// @param _signal The signal (message) to send. /// @param _proof Merkle proof that the signal was persisted on the /// source chain. function verifySignalReceived( uint64 _chainId, address _app, bytes32 _signal, bytes calldata _proof ) external view; /// @notice Verifies if a particular signal has already been sent. /// @param _app The address that initiated the signal. /// @param _signal The signal (message) that was sent. /// @return true if the signal has been sent, otherwise false. function isSignalSent(address _app, bytes32 _signal) external view returns (bool); /// @notice Checks if a chain data has been synced. /// uniquely from chainId, kind, and data. /// @param _chainId The remote chainId. /// @param _kind A value to mark the data type. /// @param _blockId The chain data's corresponding blockId /// @param _chainData The remote data. /// @return true if the data has been synced, otherwise false. function isChainDataSynced( uint64 _chainId, bytes32 _kind, uint64 _blockId, bytes32 _chainData ) external view returns (bool); /// @notice Returns the given block's chain data. /// @param _chainId Identifier of the chainId. /// @param _kind A value to mark the data type. /// @param _blockId The chain data's corresponding block id. If this value is 0, use the top /// block id. /// @return blockId_ The actual block id. /// @return chainData_ The synced chain data. function getSyncedChainData( uint64 _chainId, bytes32 _kind, uint64 _blockId ) external view returns (uint64 blockId_, bytes32 chainData_); /// @notice Returns the data to be used for caching slot generation. /// @param _chainId Identifier of the chainId. /// @param _kind A value to mark the data type. /// @param _blockId The chain data's corresponding block id. If this value is 0, use the top /// block id. /// @return signal_ The signal used for caching slot creation. function signalForChainData( uint64 _chainId, bytes32 _kind, uint64 _blockId ) external pure returns (bytes32 signal_); }
// SPDX-License-Identifier: MIT pragma solidity 0.8.24; /// @title IBridge /// @notice The bridge used in conjunction with the {ISignalService}. /// @dev Ether is held by Bridges on L1 and L2s. /// @custom:security-contact [email protected] interface IBridge { enum Status { NEW, RETRIABLE, DONE, FAILED, RECALLED } enum StatusReason { INVOCATION_OK, INVOCATION_PROHIBITED, INVOCATION_FAILED, OUT_OF_ETH_QUOTA } struct Message { // Message ID whose value is automatically assigned. uint64 id; // The max processing fee for the relayer. This fee has 3 parts: // - the fee for message calldata. // - the minimal fee reserve for general processing, excluding function call. // - the invocation fee for the function call. // Any unpaid fee will be refunded to the destOwner on the destination chain. // Note that fee must be 0 if gasLimit is 0, or large enough to make the invocation fee // non-zero. uint64 fee; // gasLimit that the processMessage call must have. uint32 gasLimit; // The address, EOA or contract, that interacts with this bridge. // The value is automatically assigned. address from; // Source chain ID whose value is automatically assigned. uint64 srcChainId; // The owner of the message on the source chain. address srcOwner; // Destination chain ID where the `to` address lives. uint64 destChainId; // The owner of the message on the destination chain. address destOwner; // The destination address on the destination chain. address to; // value to invoke on the destination chain. uint256 value; // callData to invoke on the destination chain. bytes data; } // Struct representing the context of a bridge operation. // 2 slots struct Context { bytes32 msgHash; // Message hash. address from; // Sender's address. uint64 srcChainId; // Source chain ID. } /// @notice Emitted when a message is sent. /// @param msgHash The hash of the message. /// @param message The message. event MessageSent(bytes32 indexed msgHash, Message message); /// @notice Emitted when the status of a message changes. /// @param msgHash The hash of the message. /// @param status The new status of the message. event MessageStatusChanged(bytes32 indexed msgHash, Status status); /// @notice Sends a message to the destination chain and takes custody /// of Ether required in this contract. /// @param _message The message to be sent. /// @return msgHash_ The hash of the sent message. /// @return message_ The updated message sent. function sendMessage(Message calldata _message) external payable returns (bytes32 msgHash_, Message memory message_); /// @notice Recalls a failed message on its source chain, releasing /// associated assets. /// @dev This function checks if the message failed on the source chain and /// releases associated Ether or tokens. /// @param _message The message whose associated Ether should be released. /// @param _proof The merkle inclusion proof. function recallMessage(Message calldata _message, bytes calldata _proof) external; /// @notice Processes a bridge message on the destination chain. This /// function is callable by any address, including the `message.destOwner`. /// @dev The process begins by hashing the message and checking the message /// status in the bridge If the status is "NEW", the message is invoked. The /// status is updated accordingly, and processing fees are refunded as /// needed. /// @param _message The message to be processed. /// @param _proof The merkle inclusion proof. /// @return The message's status after processing and the reason for the change. function processMessage( Message calldata _message, bytes calldata _proof ) external returns (Status, StatusReason); /// @notice Retries to invoke the messageCall after releasing associated /// Ether and tokens. /// @dev This function can be called by any address, including the /// `message.destOwner`. /// It attempts to invoke the messageCall and updates the message status /// accordingly. /// @param _message The message to retry. /// @param _isLastAttempt Specifies if this is the last attempt to retry the /// message. function retryMessage(Message calldata _message, bool _isLastAttempt) external; /// @notice Mark a message as failed if the message is currently retriable. /// @dev This function can only be called by `message.destOwner`. /// @param _message The message to fail. /// message. function failMessage(Message calldata _message) external; /// @notice Returns the bridge state context. /// @return ctx_ The context of the current bridge operation. function context() external view returns (Context memory ctx_); /// @notice Checks if the message was sent. /// @param _message The message. /// @return true if the message was sent. function isMessageSent(Message calldata _message) external view returns (bool); /// @notice Hash the message /// @param _message The message struct variable to be hashed. /// @return The message's hash. function hashMessage(Message memory _message) external pure returns (bytes32); } /// @title IRecallableSender /// @notice An interface that all recallable message senders shall implement. interface IRecallableSender { /// @notice Called when a message is recalled. /// @param _message The recalled message. /// @param _msgHash The hash of the recalled message. function onMessageRecalled( IBridge.Message calldata _message, bytes32 _msgHash ) external payable; } /// @title IMessageInvocable /// @notice An interface that all bridge message receiver shall implement interface IMessageInvocable { /// @notice Called when this contract is the bridge target. /// @param _data The data for this contract to interpret. /// @dev This method should be guarded with `onlyFromNamed("bridge")`. function onMessageInvocation(bytes calldata _data) external payable; }
// SPDX-License-Identifier: MIT pragma solidity 0.8.24; /// @title IQuotaManager /// @custom:security-contact [email protected] interface IQuotaManager { /// @notice Consumes a specific amount of quota for a given address. /// This function must revert if available quota is smaller than the given amount of quota. /// @param _token The token address. Ether is represented with address(0). /// @param _amount The amount of quota to consume. function consumeQuota(address _token, uint256 _amount) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (proxy/utils/UUPSUpgradeable.sol) pragma solidity ^0.8.0; import "../../interfaces/draft-IERC1822.sol"; import "../ERC1967/ERC1967Upgrade.sol"; /** * @dev An upgradeability mechanism designed for UUPS proxies. The functions included here can perform an upgrade of an * {ERC1967Proxy}, when this contract is set as the implementation behind such a proxy. * * A security mechanism ensures that an upgrade does not turn off upgradeability accidentally, although this risk is * reinstated if the upgrade retains upgradeability but removes the security mechanism, e.g. by replacing * `UUPSUpgradeable` with a custom implementation of upgrades. * * The {_authorizeUpgrade} function must be overridden to include access restriction to the upgrade mechanism. * * _Available since v4.1._ */ abstract contract UUPSUpgradeable is IERC1822Proxiable, ERC1967Upgrade { /// @custom:oz-upgrades-unsafe-allow state-variable-immutable state-variable-assignment address private immutable __self = address(this); /** * @dev Check that the execution is being performed through a delegatecall call and that the execution context is * a proxy contract with an implementation (as defined in ERC1967) pointing to self. This should only be the case * for UUPS and transparent proxies that are using the current contract as their implementation. Execution of a * function through ERC1167 minimal proxies (clones) would not normally pass this test, but is not guaranteed to * fail. */ modifier onlyProxy() { require(address(this) != __self, "Function must be called through delegatecall"); require(_getImplementation() == __self, "Function must be called through active proxy"); _; } /** * @dev Check that the execution is not being performed through a delegate call. This allows a function to be * callable on the implementing contract but not through proxies. */ modifier notDelegated() { require(address(this) == __self, "UUPSUpgradeable: must not be called through delegatecall"); _; } /** * @dev Implementation of the ERC1822 {proxiableUUID} function. This returns the storage slot used by the * implementation. It is used to validate the implementation's compatibility when performing an upgrade. * * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this * function revert if invoked through a proxy. This is guaranteed by the `notDelegated` modifier. */ function proxiableUUID() external view virtual override notDelegated returns (bytes32) { return _IMPLEMENTATION_SLOT; } /** * @dev Upgrade the implementation of the proxy to `newImplementation`. * * Calls {_authorizeUpgrade}. * * Emits an {Upgraded} event. * * @custom:oz-upgrades-unsafe-allow-reachable delegatecall */ function upgradeTo(address newImplementation) public virtual onlyProxy { _authorizeUpgrade(newImplementation); _upgradeToAndCallUUPS(newImplementation, new bytes(0), false); } /** * @dev Upgrade the implementation of the proxy to `newImplementation`, and subsequently execute the function call * encoded in `data`. * * Calls {_authorizeUpgrade}. * * Emits an {Upgraded} event. * * @custom:oz-upgrades-unsafe-allow-reachable delegatecall */ function upgradeToAndCall(address newImplementation, bytes memory data) public payable virtual onlyProxy { _authorizeUpgrade(newImplementation); _upgradeToAndCallUUPS(newImplementation, data, true); } /** * @dev Function that should revert when `msg.sender` is not authorized to upgrade the contract. Called by * {upgradeTo} and {upgradeToAndCall}. * * Normally, this function will use an xref:access.adoc[access control] modifier such as {Ownable-onlyOwner}. * * ```solidity * function _authorizeUpgrade(address) internal override onlyOwner {} * ``` */ function _authorizeUpgrade(address newImplementation) internal virtual; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable2Step.sol) pragma solidity ^0.8.0; import "./OwnableUpgradeable.sol"; import {Initializable} from "../proxy/utils/Initializable.sol"; /** * @dev Contract module which provides access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership} and {acceptOwnership}. * * This module is used through inheritance. It will make available all functions * from parent (Ownable). */ abstract contract Ownable2StepUpgradeable is Initializable, OwnableUpgradeable { address private _pendingOwner; event OwnershipTransferStarted(address indexed previousOwner, address indexed newOwner); function __Ownable2Step_init() internal onlyInitializing { __Ownable_init_unchained(); } function __Ownable2Step_init_unchained() internal onlyInitializing { } /** * @dev Returns the address of the pending owner. */ function pendingOwner() public view virtual returns (address) { return _pendingOwner; } /** * @dev Starts the ownership transfer of the contract to a new account. Replaces the pending transfer if there is one. * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual override onlyOwner { _pendingOwner = newOwner; emit OwnershipTransferStarted(owner(), newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`) and deletes any pending owner. * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual override { delete _pendingOwner; super._transferOwnership(newOwner); } /** * @dev The new owner accepts the ownership transfer. */ function acceptOwnership() public virtual { address sender = _msgSender(); require(pendingOwner() == sender, "Ownable2Step: caller is not the new owner"); _transferOwnership(sender); } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[49] private __gap; }
// SPDX-License-Identifier: MIT pragma solidity 0.8.24; import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol"; import "./IAddressManager.sol"; import "./IAddressResolver.sol"; /// @title AddressResolver /// @notice See the documentation in {IAddressResolver}. /// @custom:security-contact [email protected] abstract contract AddressResolver is IAddressResolver, Initializable { /// @notice Address of the AddressManager. address public addressManager; uint256[49] private __gap; error RESOLVER_DENIED(); error RESOLVER_INVALID_MANAGER(); error RESOLVER_UNEXPECTED_CHAINID(); error RESOLVER_ZERO_ADDR(uint64 chainId, bytes32 name); /// @dev Modifier that ensures the caller is the resolved address of a given /// name. /// @param _name The name to check against. modifier onlyFromNamed(bytes32 _name) { if (msg.sender != resolve(_name, true)) revert RESOLVER_DENIED(); _; } /// @dev Modifier that ensures the caller is a resolved address to either _name1 or _name2 /// name. /// @param _name1 The first name to check against. /// @param _name2 The second name to check against. modifier onlyFromNamedEither(bytes32 _name1, bytes32 _name2) { if (msg.sender != resolve(_name1, true) && msg.sender != resolve(_name2, true)) { revert RESOLVER_DENIED(); } _; } /// @custom:oz-upgrades-unsafe-allow constructor constructor() { _disableInitializers(); } /// @inheritdoc IAddressResolver function resolve( bytes32 _name, bool _allowZeroAddress ) public view virtual returns (address payable) { return _resolve(uint64(block.chainid), _name, _allowZeroAddress); } /// @inheritdoc IAddressResolver function resolve( uint64 _chainId, bytes32 _name, bool _allowZeroAddress ) public view virtual returns (address payable) { return _resolve(_chainId, _name, _allowZeroAddress); } /// @dev Initialization method for setting up AddressManager reference. /// @param _addressManager Address of the AddressManager. function __AddressResolver_init(address _addressManager) internal virtual onlyInitializing { if (block.chainid > type(uint64).max) { revert RESOLVER_UNEXPECTED_CHAINID(); } addressManager = _addressManager; } /// @dev Helper method to resolve name-to-address. /// @param _chainId The chainId of interest. /// @param _name Name whose address is to be resolved. /// @param _allowZeroAddress If set to true, does not throw if the resolved /// address is `address(0)`. /// @return addr_ Address associated with the given name on the specified /// chain. function _resolve( uint64 _chainId, bytes32 _name, bool _allowZeroAddress ) private view returns (address payable addr_) { address _addressManager = addressManager; if (_addressManager == address(0)) revert RESOLVER_INVALID_MANAGER(); addr_ = payable(IAddressManager(_addressManager).getAddress(_chainId, _name)); if (!_allowZeroAddress && addr_ == address(0)) { revert RESOLVER_ZERO_ADDR(_chainId, _name); } } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.24; /// @title LibNetwork library LibNetwork { uint256 internal constant MAINNET = 1; uint256 internal constant ROPSTEN = 2; uint256 internal constant RINKEBY = 4; uint256 internal constant GOERLI = 5; uint256 internal constant KOVAN = 42; uint256 internal constant HOLESKY = 17_000; uint256 internal constant SEPOLIA = 11_155_111; uint64 internal constant TAIKO = 167_009; /// @dev Checks if the chain ID represents an Ethereum testnet. /// @param _chainId The chain ID. /// @return true if the chain ID represents an Ethereum testnet, false otherwise. function isEthereumTestnet(uint256 _chainId) internal pure returns (bool) { return _chainId == LibNetwork.ROPSTEN || _chainId == LibNetwork.RINKEBY || _chainId == LibNetwork.GOERLI || _chainId == LibNetwork.KOVAN || _chainId == LibNetwork.HOLESKY || _chainId == LibNetwork.SEPOLIA; } /// @dev Checks if the chain ID represents an Ethereum testnet or the Etheruem mainnet. /// @param _chainId The chain ID. /// @return true if the chain ID represents an Ethereum testnet or the Etheruem mainnet, false /// otherwise. function isEthereumMainnetOrTestnet(uint256 _chainId) internal pure returns (bool) { return _chainId == LibNetwork.MAINNET || isEthereumTestnet(_chainId); } /// @dev Checks if the chain ID represents the Taiko L2 mainnet. /// @param _chainId The chain ID. /// @return true if the chain ID represents the Taiko L2 mainnet. function isTaikoMainnet(uint256 _chainId) internal pure returns (bool) { return _chainId == TAIKO; } /// @dev Checks if the chain ID represents an internal Taiko devnet's base layer. /// @param _chainId The chain ID. /// @return true if the chain ID represents an internal Taiko devnet's base layer, false /// otherwise. function isTaikoDevnet(uint256 _chainId) internal pure returns (bool) { return _chainId >= 32_300 && _chainId <= 32_400; } /// @dev Checks if the chain supports Dencun hardfork. Note that this check doesn't need to be /// exhaustive. /// @param _chainId The chain ID. /// @return true if the chain supports Dencun hardfork, false otherwise. function isDencunSupported(uint256 _chainId) internal pure returns (bool) { return _chainId == LibNetwork.MAINNET || _chainId == LibNetwork.HOLESKY || _chainId == LibNetwork.SEPOLIA || isTaikoDevnet(_chainId); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * * Furthermore, `isContract` will also return true if the target contract within * the same transaction is already scheduled for destruction by `SELFDESTRUCT`, * which only has an effect at the end of a transaction. * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract. * * _Available since v4.8._ */ function verifyCallResultFromTarget( address target, bool success, bytes memory returndata, string memory errorMessage ) internal view returns (bytes memory) { if (success) { if (returndata.length == 0) { // only check isContract if the call was successful and the return data is empty // otherwise we already know that it was a contract require(isContract(target), "Address: call to non-contract"); } return returndata; } else { _revert(returndata, errorMessage); } } /** * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason or using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { _revert(returndata, errorMessage); } } function _revert(bytes memory returndata, string memory errorMessage) private pure { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly /// @solidity memory-safe-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (interfaces/IERC1271.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC1271 standard signature validation method for * contracts as defined in https://eips.ethereum.org/EIPS/eip-1271[ERC-1271]. * * _Available since v4.1._ */ interface IERC1271 { /** * @dev Should return whether the signature provided is valid for the provided data * @param hash Hash of the data to be signed * @param signature Signature byte array associated with _data */ function isValidSignature(bytes32 hash, bytes memory signature) external view returns (bytes4 magicValue); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (interfaces/draft-IERC1822.sol) pragma solidity ^0.8.0; /** * @dev ERC1822: Universal Upgradeable Proxy Standard (UUPS) documents a method for upgradeability through a simplified * proxy whose upgrades are fully controlled by the current implementation. */ interface IERC1822Proxiable { /** * @dev Returns the storage slot that the proxiable contract assumes is being used to store the implementation * address. * * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this * function revert if invoked through a proxy. */ function proxiableUUID() external view returns (bytes32); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (proxy/ERC1967/ERC1967Upgrade.sol) pragma solidity ^0.8.2; import "../beacon/IBeacon.sol"; import "../../interfaces/IERC1967.sol"; import "../../interfaces/draft-IERC1822.sol"; import "../../utils/Address.sol"; import "../../utils/StorageSlot.sol"; /** * @dev This abstract contract provides getters and event emitting update functions for * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots. * * _Available since v4.1._ */ abstract contract ERC1967Upgrade is IERC1967 { // This is the keccak-256 hash of "eip1967.proxy.rollback" subtracted by 1 bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143; /** * @dev Storage slot with the address of the current implementation. * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is * validated in the constructor. */ bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; /** * @dev Returns the current implementation address. */ function _getImplementation() internal view returns (address) { return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value; } /** * @dev Stores a new address in the EIP1967 implementation slot. */ function _setImplementation(address newImplementation) private { require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract"); StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation; } /** * @dev Perform implementation upgrade * * Emits an {Upgraded} event. */ function _upgradeTo(address newImplementation) internal { _setImplementation(newImplementation); emit Upgraded(newImplementation); } /** * @dev Perform implementation upgrade with additional setup call. * * Emits an {Upgraded} event. */ function _upgradeToAndCall(address newImplementation, bytes memory data, bool forceCall) internal { _upgradeTo(newImplementation); if (data.length > 0 || forceCall) { Address.functionDelegateCall(newImplementation, data); } } /** * @dev Perform implementation upgrade with security checks for UUPS proxies, and additional setup call. * * Emits an {Upgraded} event. */ function _upgradeToAndCallUUPS(address newImplementation, bytes memory data, bool forceCall) internal { // Upgrades from old implementations will perform a rollback test. This test requires the new // implementation to upgrade back to the old, non-ERC1822 compliant, implementation. Removing // this special case will break upgrade paths from old UUPS implementation to new ones. if (StorageSlot.getBooleanSlot(_ROLLBACK_SLOT).value) { _setImplementation(newImplementation); } else { try IERC1822Proxiable(newImplementation).proxiableUUID() returns (bytes32 slot) { require(slot == _IMPLEMENTATION_SLOT, "ERC1967Upgrade: unsupported proxiableUUID"); } catch { revert("ERC1967Upgrade: new implementation is not UUPS"); } _upgradeToAndCall(newImplementation, data, forceCall); } } /** * @dev Storage slot with the admin of the contract. * This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1, and is * validated in the constructor. */ bytes32 internal constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103; /** * @dev Returns the current admin. */ function _getAdmin() internal view returns (address) { return StorageSlot.getAddressSlot(_ADMIN_SLOT).value; } /** * @dev Stores a new address in the EIP1967 admin slot. */ function _setAdmin(address newAdmin) private { require(newAdmin != address(0), "ERC1967: new admin is the zero address"); StorageSlot.getAddressSlot(_ADMIN_SLOT).value = newAdmin; } /** * @dev Changes the admin of the proxy. * * Emits an {AdminChanged} event. */ function _changeAdmin(address newAdmin) internal { emit AdminChanged(_getAdmin(), newAdmin); _setAdmin(newAdmin); } /** * @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy. * This is bytes32(uint256(keccak256('eip1967.proxy.beacon')) - 1)) and is validated in the constructor. */ bytes32 internal constant _BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50; /** * @dev Returns the current beacon. */ function _getBeacon() internal view returns (address) { return StorageSlot.getAddressSlot(_BEACON_SLOT).value; } /** * @dev Stores a new beacon in the EIP1967 beacon slot. */ function _setBeacon(address newBeacon) private { require(Address.isContract(newBeacon), "ERC1967: new beacon is not a contract"); require( Address.isContract(IBeacon(newBeacon).implementation()), "ERC1967: beacon implementation is not a contract" ); StorageSlot.getAddressSlot(_BEACON_SLOT).value = newBeacon; } /** * @dev Perform beacon upgrade with additional setup call. Note: This upgrades the address of the beacon, it does * not upgrade the implementation contained in the beacon (see {UpgradeableBeacon-_setImplementation} for that). * * Emits a {BeaconUpgraded} event. */ function _upgradeBeaconToAndCall(address newBeacon, bytes memory data, bool forceCall) internal { _setBeacon(newBeacon); emit BeaconUpgraded(newBeacon); if (data.length > 0 || forceCall) { Address.functionDelegateCall(IBeacon(newBeacon).implementation(), data); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol) pragma solidity ^0.8.0; import "../utils/ContextUpgradeable.sol"; import {Initializable} from "../proxy/utils/Initializable.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract OwnableUpgradeable is Initializable, ContextUpgradeable { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ function __Ownable_init() internal onlyInitializing { __Ownable_init_unchained(); } function __Ownable_init_unchained() internal onlyInitializing { _transferOwnership(_msgSender()); } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { _checkOwner(); _; } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if the sender is not the owner. */ function _checkOwner() internal view virtual { require(owner() == _msgSender(), "Ownable: caller is not the owner"); } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby disabling any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[49] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (proxy/utils/Initializable.sol) pragma solidity ^0.8.2; import "../../utils/AddressUpgradeable.sol"; /** * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect. * * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be * reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in * case an upgrade adds a module that needs to be initialized. * * For example: * * [.hljs-theme-light.nopadding] * ```solidity * contract MyToken is ERC20Upgradeable { * function initialize() initializer public { * __ERC20_init("MyToken", "MTK"); * } * } * * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable { * function initializeV2() reinitializer(2) public { * __ERC20Permit_init("MyToken"); * } * } * ``` * * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}. * * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity. * * [CAUTION] * ==== * Avoid leaving a contract uninitialized. * * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed: * * [.hljs-theme-light.nopadding] * ``` * /// @custom:oz-upgrades-unsafe-allow constructor * constructor() { * _disableInitializers(); * } * ``` * ==== */ abstract contract Initializable { /** * @dev Indicates that the contract has been initialized. * @custom:oz-retyped-from bool */ uint8 private _initialized; /** * @dev Indicates that the contract is in the process of being initialized. */ bool private _initializing; /** * @dev Triggered when the contract has been initialized or reinitialized. */ event Initialized(uint8 version); /** * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope, * `onlyInitializing` functions can be used to initialize parent contracts. * * Similar to `reinitializer(1)`, except that functions marked with `initializer` can be nested in the context of a * constructor. * * Emits an {Initialized} event. */ modifier initializer() { bool isTopLevelCall = !_initializing; require( (isTopLevelCall && _initialized < 1) || (!AddressUpgradeable.isContract(address(this)) && _initialized == 1), "Initializable: contract is already initialized" ); _initialized = 1; if (isTopLevelCall) { _initializing = true; } _; if (isTopLevelCall) { _initializing = false; emit Initialized(1); } } /** * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be * used to initialize parent contracts. * * A reinitializer may be used after the original initialization step. This is essential to configure modules that * are added through upgrades and that require initialization. * * When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer` * cannot be nested. If one is invoked in the context of another, execution will revert. * * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in * a contract, executing them in the right order is up to the developer or operator. * * WARNING: setting the version to 255 will prevent any future reinitialization. * * Emits an {Initialized} event. */ modifier reinitializer(uint8 version) { require(!_initializing && _initialized < version, "Initializable: contract is already initialized"); _initialized = version; _initializing = true; _; _initializing = false; emit Initialized(version); } /** * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the * {initializer} and {reinitializer} modifiers, directly or indirectly. */ modifier onlyInitializing() { require(_initializing, "Initializable: contract is not initializing"); _; } /** * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call. * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized * to any version. It is recommended to use this to lock implementation contracts that are designed to be called * through proxies. * * Emits an {Initialized} event the first time it is successfully executed. */ function _disableInitializers() internal virtual { require(!_initializing, "Initializable: contract is initializing"); if (_initialized != type(uint8).max) { _initialized = type(uint8).max; emit Initialized(type(uint8).max); } } /** * @dev Returns the highest version that has been initialized. See {reinitializer}. */ function _getInitializedVersion() internal view returns (uint8) { return _initialized; } /** * @dev Returns `true` if the contract is currently initializing. See {onlyInitializing}. */ function _isInitializing() internal view returns (bool) { return _initializing; } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.24; /// @title IAddressManager /// @notice Manages a mapping of (chainId, name) pairs to Ethereum addresses. /// @custom:security-contact [email protected] interface IAddressManager { /// @notice Gets the address mapped to a specific chainId-name pair. /// @dev Note that in production, this method shall be a pure function /// without any storage access. /// @param _chainId The chainId for which the address needs to be fetched. /// @param _name The name for which the address needs to be fetched. /// @return Address associated with the chainId-name pair. function getAddress(uint64 _chainId, bytes32 _name) external view returns (address); }
// SPDX-License-Identifier: MIT pragma solidity 0.8.24; /// @title IAddressResolver /// @notice This contract acts as a bridge for name-to-address resolution. /// It delegates the resolution to the AddressManager. By separating the logic, /// we can maintain flexibility in address management without affecting the /// resolving process. /// @dev Note that the address manager should be changed using upgradability, there /// is no setAddressManager() function to guarantee atomicity across all /// contracts that are resolvers. /// @custom:security-contact [email protected] interface IAddressResolver { /// @notice Resolves a name to its address deployed on this chain. /// @param _name Name whose address is to be resolved. /// @param _allowZeroAddress If set to true, does not throw if the resolved /// address is `address(0)`. /// @return Address associated with the given name. function resolve( bytes32 _name, bool _allowZeroAddress ) external view returns (address payable); /// @notice Resolves a name to its address deployed on a specified chain. /// @param _chainId The chainId of interest. /// @param _name Name whose address is to be resolved. /// @param _allowZeroAddress If set to true, does not throw if the resolved /// address is `address(0)`. /// @return Address associated with the given name on the specified /// chain. function resolve( uint64 _chainId, bytes32 _name, bool _allowZeroAddress ) external view returns (address payable); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (proxy/beacon/IBeacon.sol) pragma solidity ^0.8.0; /** * @dev This is the interface that {BeaconProxy} expects of its beacon. */ interface IBeacon { /** * @dev Must return an address that can be used as a delegate call target. * * {BeaconProxy} will check that this address is a contract. */ function implementation() external view returns (address); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (interfaces/IERC1967.sol) pragma solidity ^0.8.0; /** * @dev ERC-1967: Proxy Storage Slots. This interface contains the events defined in the ERC. * * _Available since v4.8.3._ */ interface IERC1967 { /** * @dev Emitted when the implementation is upgraded. */ event Upgraded(address indexed implementation); /** * @dev Emitted when the admin account has changed. */ event AdminChanged(address previousAdmin, address newAdmin); /** * @dev Emitted when the beacon is changed. */ event BeaconUpgraded(address indexed beacon); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (utils/StorageSlot.sol) // This file was procedurally generated from scripts/generate/templates/StorageSlot.js. pragma solidity ^0.8.0; /** * @dev Library for reading and writing primitive types to specific storage slots. * * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts. * This library helps with reading and writing to such slots without the need for inline assembly. * * The functions in this library return Slot structs that contain a `value` member that can be used to read or write. * * Example usage to set ERC1967 implementation slot: * ```solidity * contract ERC1967 { * bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; * * function _getImplementation() internal view returns (address) { * return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value; * } * * function _setImplementation(address newImplementation) internal { * require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract"); * StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation; * } * } * ``` * * _Available since v4.1 for `address`, `bool`, `bytes32`, `uint256`._ * _Available since v4.9 for `string`, `bytes`._ */ library StorageSlot { struct AddressSlot { address value; } struct BooleanSlot { bool value; } struct Bytes32Slot { bytes32 value; } struct Uint256Slot { uint256 value; } struct StringSlot { string value; } struct BytesSlot { bytes value; } /** * @dev Returns an `AddressSlot` with member `value` located at `slot`. */ function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `BooleanSlot` with member `value` located at `slot`. */ function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `Bytes32Slot` with member `value` located at `slot`. */ function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `Uint256Slot` with member `value` located at `slot`. */ function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `StringSlot` with member `value` located at `slot`. */ function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `StringSlot` representation of the string storage pointer `store`. */ function getStringSlot(string storage store) internal pure returns (StringSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := store.slot } } /** * @dev Returns an `BytesSlot` with member `value` located at `slot`. */ function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`. */ function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := store.slot } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.4) (utils/Context.sol) pragma solidity ^0.8.0; import {Initializable} from "../proxy/utils/Initializable.sol"; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract ContextUpgradeable is Initializable { function __Context_init() internal onlyInitializing { } function __Context_init_unchained() internal onlyInitializing { } function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } function _contextSuffixLength() internal view virtual returns (uint256) { return 0; } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[50] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library AddressUpgradeable { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * * Furthermore, `isContract` will also return true if the target contract within * the same transaction is already scheduled for destruction by `SELFDESTRUCT`, * which only has an effect at the end of a transaction. * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract. * * _Available since v4.8._ */ function verifyCallResultFromTarget( address target, bool success, bytes memory returndata, string memory errorMessage ) internal view returns (bytes memory) { if (success) { if (returndata.length == 0) { // only check isContract if the call was successful and the return data is empty // otherwise we already know that it was a contract require(isContract(target), "Address: call to non-contract"); } return returndata; } else { _revert(returndata, errorMessage); } } /** * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason or using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { _revert(returndata, errorMessage); } } function _revert(bytes memory returndata, string memory errorMessage) private pure { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly /// @solidity memory-safe-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } }
{ "remappings": [ "@openzeppelin/contracts-upgradeable/=node_modules/@openzeppelin/contracts-upgradeable/", "@openzeppelin/contracts/=node_modules/@openzeppelin/contracts/", "solady/=node_modules/solady/", "forge-std/=node_modules/forge-std/", "ds-test/=node_modules/ds-test/src/", "p256-verifier/=node_modules/p256-verifier/" ], "optimizer": { "enabled": true, "runs": 200 }, "metadata": { "useLiteralContent": false, "bytecodeHash": "ipfs", "appendCBOR": true }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "evmVersion": "cancun", "viaIR": false, "libraries": {} }
Contract ABI
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payable","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"uint64","name":"id","type":"uint64"},{"internalType":"uint64","name":"fee","type":"uint64"},{"internalType":"uint32","name":"gasLimit","type":"uint32"},{"internalType":"address","name":"from","type":"address"},{"internalType":"uint64","name":"srcChainId","type":"uint64"},{"internalType":"address","name":"srcOwner","type":"address"},{"internalType":"uint64","name":"destChainId","type":"uint64"},{"internalType":"address","name":"destOwner","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"internalType":"struct IBridge.Message","name":"_message","type":"tuple"},{"internalType":"bool","name":"_isLastAttempt","type":"bool"}],"name":"retryMessage","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"uint64","name":"id","type":"uint64"},{"internalType":"uint64","name":"fee","type":"uint64"},{"internalType":"uint32","name":"gasLimit","type":"uint32"},{"internalType":"address","name":"from","type":"address"},{"internalType":"uint64","name":"srcChainId","type":"uint64"},{"internalType":"address","name":"srcOwner","type":"address"},{"internalType":"uint64","name":"destChainId","type":"uint64"},{"internalType":"address","name":"destOwner","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"internalType":"struct IBridge.Message","name":"_message","type":"tuple"}],"name":"sendMessage","outputs":[{"internalType":"bytes32","name":"msgHash_","type":"bytes32"},{"components":[{"internalType":"uint64","name":"id","type":"uint64"},{"internalType":"uint64","name":"fee","type":"uint64"},{"internalType":"uint32","name":"gasLimit","type":"uint32"},{"internalType":"address","name":"from","type":"address"},{"internalType":"uint64","name":"srcChainId","type":"uint64"},{"internalType":"address","name":"srcOwner","type":"address"},{"internalType":"uint64","name":"destChainId","type":"uint64"},{"internalType":"address","name":"destOwner","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"internalType":"struct IBridge.Message","name":"message_","type":"tuple"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_msgHash","type":"bytes32"}],"name":"signalForFailedMessage","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"unpause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"stateMutability":"payable","type":"function"},{"stateMutability":"payable","type":"receive"}]
Contract Creation Code
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.