Overview
ETH Balance
0 ETH
Eth Value
$0.00More Info
Private Name Tags
ContractCreator
Latest 1 internal transaction
Advanced mode:
Parent Transaction Hash | Block | From | To | |||
---|---|---|---|---|---|---|
15795636 | 688 days ago | Contract Creation | 0 ETH |
Loading...
Loading
Contract Name:
StargateFacet
Compiler Version
v0.8.17+commit.8df45f5f
Optimization Enabled:
Yes with 10000 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity 0.8.17; import { ILiFi } from "../Interfaces/ILiFi.sol"; import { IStargateRouter, IFactory, IPool } from "../Interfaces/IStargateRouter.sol"; import { LibAsset, IERC20 } from "../Libraries/LibAsset.sol"; import { LibDiamond } from "../Libraries/LibDiamond.sol"; import { ReentrancyGuard } from "../Helpers/ReentrancyGuard.sol"; import { InvalidAmount, InformationMismatch, InvalidConfig, InvalidCaller, TokenAddressIsZero, AlreadyInitialized, NotInitialized } from "../Errors/GenericErrors.sol"; import { SwapperV2, LibSwap } from "../Helpers/SwapperV2.sol"; import { LibMappings } from "../Libraries/LibMappings.sol"; import { Validatable } from "../Helpers/Validatable.sol"; /// @title Stargate Facet /// @author Li.Finance (https://li.finance) /// @notice Provides functionality for bridging through Stargate contract StargateFacet is ILiFi, ReentrancyGuard, SwapperV2, Validatable { /// Storage /// /// @notice The contract address of the stargate router on the source chain. IStargateRouter private immutable router; /// Types /// struct PoolIdConfig { address token; uint16 poolId; } struct ChainIdConfig { uint256 chainId; uint16 layerZeroChainId; } /// @param dstPoolId Dest pool id. /// @param minAmountLD The min qty you would accept on the destination. /// @param dstGasForCall Additional gas fee for extral call on the destination. /// @param refundAddress Refund adddress. Extra gas (if any) is returned to this address /// @param lzFee Estimated message fee. /// @param callTo The address to send the tokens to on the destination. /// @param callData Additional payload. struct StargateData { uint256 dstPoolId; uint256 minAmountLD; uint256 dstGasForCall; uint256 lzFee; address payable refundAddress; bytes callTo; bytes callData; } /// Errors /// error UnknownStargatePool(); error UnknownLayerZeroChain(); error InvalidStargateRouter(); /// Events /// event StargateInitialized(PoolIdConfig[] poolIdConfigs, ChainIdConfig[] chainIdConfigs); event StargatePoolIdSet(address indexed token, uint256 poolId); event LayerZeroChainIdSet(uint256 indexed chainId, uint16 layerZeroChainId); /// Constructor /// /// @notice Initialize the contract. /// @param _router The contract address of the stargate router on the source chain. constructor(IStargateRouter _router) { router = _router; } /// Init /// /// @notice Initialize local variables for the Stargate Facet /// @param poolIdConfigs Pool Id configuration data /// @param chainIdConfigs Chain Id configuration data function initStargate(PoolIdConfig[] calldata poolIdConfigs, ChainIdConfig[] calldata chainIdConfigs) external { LibDiamond.enforceIsContractOwner(); LibMappings.StargateMappings storage sm = LibMappings.getStargateMappings(); if (sm.initialized) { revert AlreadyInitialized(); } for (uint256 i = 0; i < poolIdConfigs.length; i++) { if (poolIdConfigs[i].token == address(0)) { revert InvalidConfig(); } sm.stargatePoolId[poolIdConfigs[i].token] = poolIdConfigs[i].poolId; } for (uint256 i = 0; i < chainIdConfigs.length; i++) { sm.layerZeroChainId[chainIdConfigs[i].chainId] = chainIdConfigs[i].layerZeroChainId; } sm.initialized = true; emit StargateInitialized(poolIdConfigs, chainIdConfigs); } /// External Methods /// /// @notice Bridges tokens via Stargate Bridge /// @param _bridgeData Data used purely for tracking and analytics /// @param _stargateData Data specific to Stargate Bridge function startBridgeTokensViaStargate(ILiFi.BridgeData memory _bridgeData, StargateData calldata _stargateData) external payable refundExcessNative(payable(msg.sender)) doesNotContainSourceSwaps(_bridgeData) validateBridgeData(_bridgeData) noNativeAsset(_bridgeData) nonReentrant { validateDestinationCallFlag(_bridgeData, _stargateData); LibAsset.depositAsset(_bridgeData.sendingAssetId, _bridgeData.minAmount); _startBridge(_bridgeData, _stargateData); } /// @notice Performs a swap before bridging via Stargate Bridge /// @param _bridgeData Data used purely for tracking and analytics /// @param _swapData An array of swap related data for performing swaps before bridging /// @param _stargateData Data specific to Stargate Bridge function swapAndStartBridgeTokensViaStargate( ILiFi.BridgeData memory _bridgeData, LibSwap.SwapData[] calldata _swapData, StargateData calldata _stargateData ) external payable refundExcessNative(payable(msg.sender)) containsSourceSwaps(_bridgeData) validateBridgeData(_bridgeData) noNativeAsset(_bridgeData) nonReentrant { validateDestinationCallFlag(_bridgeData, _stargateData); _bridgeData.minAmount = _depositAndSwap( _bridgeData.transactionId, _bridgeData.minAmount, _swapData, payable(msg.sender), _stargateData.lzFee ); _startBridge(_bridgeData, _stargateData); } function quoteLayerZeroFee(uint256 _destinationChainId, StargateData calldata _stargateData) external view returns (uint256, uint256) { return router.quoteLayerZeroFee( getLayerZeroChainId(_destinationChainId), 1, // TYPE_SWAP_REMOTE on Bridge _stargateData.callTo, _stargateData.callData, IStargateRouter.lzTxObj(_stargateData.dstGasForCall, 0, toBytes(msg.sender)) ); } /// Private Methods /// /// @dev Contains the business logic for the bridge via Stargate Bridge /// @param _bridgeData Data used purely for tracking and analytics /// @param _stargateData Data specific to Stargate Bridge function _startBridge(ILiFi.BridgeData memory _bridgeData, StargateData calldata _stargateData) private noNativeAsset(_bridgeData) { LibAsset.maxApproveERC20(IERC20(_bridgeData.sendingAssetId), address(router), _bridgeData.minAmount); router.swap{ value: _stargateData.lzFee }( getLayerZeroChainId(_bridgeData.destinationChainId), getStargatePoolId(_bridgeData.sendingAssetId), _stargateData.dstPoolId, _stargateData.refundAddress, _bridgeData.minAmount, _stargateData.minAmountLD, IStargateRouter.lzTxObj(_stargateData.dstGasForCall, 0, toBytes(_bridgeData.receiver)), _stargateData.callTo, _stargateData.callData ); emit LiFiTransferStarted(_bridgeData); } function validateDestinationCallFlag(ILiFi.BridgeData memory _bridgeData, StargateData calldata _stargateData) private pure { if ((_stargateData.callData.length > 0) != _bridgeData.hasDestinationCall) { revert InformationMismatch(); } } /// Mappings management /// /// @notice Sets the Stargate pool ID for a given token /// @param _token address of the token /// @param _poolId uint16 of the Stargate pool ID function setStargatePoolId(address _token, uint16 _poolId) external { LibDiamond.enforceIsContractOwner(); LibMappings.StargateMappings storage sm = LibMappings.getStargateMappings(); if (!sm.initialized) { revert NotInitialized(); } sm.stargatePoolId[_token] = _poolId; emit StargatePoolIdSet(_token, _poolId); } /// @notice Sets the Layer 0 chain ID for a given chain ID /// @param _chainId uint16 of the chain ID /// @param _layerZeroChainId uint16 of the Layer 0 chain ID /// @dev This is used to map a chain ID to its Layer 0 chain ID function setLayerZeroChainId(uint256 _chainId, uint16 _layerZeroChainId) external { LibDiamond.enforceIsContractOwner(); LibMappings.StargateMappings storage sm = LibMappings.getStargateMappings(); if (!sm.initialized) { revert NotInitialized(); } sm.layerZeroChainId[_chainId] = _layerZeroChainId; emit LayerZeroChainIdSet(_chainId, _layerZeroChainId); } /// @notice Gets the Stargate pool ID for a given token /// @param _token address of the token /// @return uint256 of the Stargate pool ID function getStargatePoolId(address _token) private view returns (uint16) { LibMappings.StargateMappings storage sm = LibMappings.getStargateMappings(); uint16 poolId = sm.stargatePoolId[_token]; if (poolId == 0) revert UnknownStargatePool(); return poolId; } /// @notice Gets the Layer 0 chain ID for a given chain ID /// @param _chainId uint256 of the chain ID /// @return uint16 of the Layer 0 chain ID function getLayerZeroChainId(uint256 _chainId) private view returns (uint16) { LibMappings.StargateMappings storage sm = LibMappings.getStargateMappings(); uint16 chainId = sm.layerZeroChainId[_chainId]; if (chainId == 0) revert UnknownLayerZeroChain(); return chainId; } function toBytes(address _address) private pure returns (bytes memory) { bytes memory tempBytes; assembly { let m := mload(0x40) _address := and(_address, 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF) mstore(add(m, 20), xor(0x140000000000000000000000000000000000000000, _address)) mstore(0x40, add(m, 52)) tempBytes := m } return tempBytes; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `to`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address to, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `from` to `to` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 amount ) external returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612]. * * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't * need to send a transaction, and thus is not required to hold Ether at all. */ interface IERC20Permit { /** * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens, * given ``owner``'s signed approval. * * IMPORTANT: The same issues {IERC20-approve} has related to transaction * ordering also apply here. * * Emits an {Approval} event. * * Requirements: * * - `spender` cannot be the zero address. * - `deadline` must be a timestamp in the future. * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner` * over the EIP712-formatted function arguments. * - the signature must use ``owner``'s current nonce (see {nonces}). * * For more information on the signature format, see the * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP * section]. */ function permit( address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) external; /** * @dev Returns the current nonce for `owner`. This value must be * included whenever a signature is generated for {permit}. * * Every successful call to {permit} increases ``owner``'s nonce by one. This * prevents a signature from being used multiple times. */ function nonces(address owner) external view returns (uint256); /** * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}. */ // solhint-disable-next-line func-name-mixedcase function DOMAIN_SEPARATOR() external view returns (bytes32); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC20/utils/SafeERC20.sol) pragma solidity ^0.8.0; import "../IERC20.sol"; import "../extensions/draft-IERC20Permit.sol"; import "../../../utils/Address.sol"; /** * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. */ library SafeERC20 { using Address for address; function safeTransfer( IERC20 token, address to, uint256 value ) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom( IERC20 token, address from, address to, uint256 value ) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } /** * @dev Deprecated. This function has issues similar to the ones found in * {IERC20-approve}, and its usage is discouraged. * * Whenever possible, use {safeIncreaseAllowance} and * {safeDecreaseAllowance} instead. */ function safeApprove( IERC20 token, address spender, uint256 value ) internal { // safeApprove should only be called when setting an initial allowance, // or when resetting it to zero. To increase and decrease it, use // 'safeIncreaseAllowance' and 'safeDecreaseAllowance' require( (value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function safeIncreaseAllowance( IERC20 token, address spender, uint256 value ) internal { uint256 newAllowance = token.allowance(address(this), spender) + value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance( IERC20 token, address spender, uint256 value ) internal { unchecked { uint256 oldAllowance = token.allowance(address(this), spender); require(oldAllowance >= value, "SafeERC20: decreased allowance below zero"); uint256 newAllowance = oldAllowance - value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } } function safePermit( IERC20Permit token, address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) internal { uint256 nonceBefore = token.nonces(owner); token.permit(owner, spender, value, deadline, v, r, s); uint256 nonceAfter = token.nonces(owner); require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed"); } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). */ function _callOptionalReturn(IERC20 token, bytes memory data) private { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that // the target address contains contract code and also asserts for success in the low-level call. bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (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 * ==== * * [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://diligence.consensys.net/posts/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/v0.5.11/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 functionCall(target, data, "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"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(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) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(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) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason 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 { // 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 pragma solidity 0.8.17; error TokenAddressIsZero(); error TokenNotSupported(); error CannotBridgeToSameNetwork(); error ZeroPostSwapBalance(); error NoSwapDataProvided(); error NativeValueWithERC(); error ContractCallNotAllowed(); error NullAddrIsNotAValidSpender(); error NullAddrIsNotAnERC20Token(); error NoTransferToNullAddress(); error NativeAssetTransferFailed(); error InvalidBridgeConfigLength(); error InvalidAmount(); error InvalidContract(); error InvalidConfig(); error UnsupportedChainId(uint256 chainId); error InvalidReceiver(); error InvalidDestinationChain(); error InvalidSendingToken(); error InvalidCaller(); error AlreadyInitialized(); error NotInitialized(); error OnlyContractOwner(); error CannotAuthoriseSelf(); error RecoveryAddressCannotBeZero(); error CannotDepositNativeToken(); error InvalidCallData(); error NativeAssetNotSupported(); error UnAuthorized(); error NoSwapFromZeroBalance(); error InvalidFallbackAddress(); error CumulativeSlippageTooHigh(uint256 minAmount, uint256 receivedAmount); error InsufficientBalance(uint256 required, uint256 balance); error ZeroAmount(); error InvalidFee(); error InformationMismatch(); error NotAContract(); error NotEnoughBalance(uint256 requested, uint256 available);
// SPDX-License-Identifier: UNLICENSED pragma solidity 0.8.17; /// @title Reentrancy Guard /// @author LI.FI (https://li.fi) /// @notice Abstract contract to provide protection against reentrancy abstract contract ReentrancyGuard { /// Storage /// bytes32 private constant NAMESPACE = keccak256("com.lifi.reentrancyguard"); /// Types /// struct ReentrancyStorage { uint256 status; } /// Errors /// error ReentrancyError(); /// Constants /// uint256 private constant _NOT_ENTERED = 0; uint256 private constant _ENTERED = 1; /// Modifiers /// modifier nonReentrant() { ReentrancyStorage storage s = reentrancyStorage(); if (s.status == _ENTERED) revert ReentrancyError(); s.status = _ENTERED; _; s.status = _NOT_ENTERED; } /// Private Methods /// /// @dev fetch local storage function reentrancyStorage() private pure returns (ReentrancyStorage storage data) { bytes32 position = NAMESPACE; // solhint-disable-next-line no-inline-assembly assembly { data.slot := position } } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.17; import { ILiFi } from "../Interfaces/ILiFi.sol"; import { LibSwap } from "../Libraries/LibSwap.sol"; import { LibAsset } from "../Libraries/LibAsset.sol"; import { LibAllowList } from "../Libraries/LibAllowList.sol"; import { InvalidAmount, ContractCallNotAllowed, NoSwapDataProvided, CumulativeSlippageTooHigh } from "../Errors/GenericErrors.sol"; /// @title Swapper /// @author LI.FI (https://li.fi) /// @notice Abstract contract to provide swap functionality contract SwapperV2 is ILiFi { /// Types /// /// @dev only used to get around "Stack Too Deep" errors struct ReserveData { bytes32 transactionId; address payable leftoverReceiver; uint256 nativeReserve; } /// Modifiers /// /// @dev Sends any leftover balances back to the user /// @notice Sends any leftover balances to the user /// @param _swaps Swap data array /// @param _leftoverReceiver Address to send leftover tokens to /// @param _initialBalances Array of initial token balances modifier noLeftovers( LibSwap.SwapData[] calldata _swaps, address payable _leftoverReceiver, uint256[] memory _initialBalances ) { uint256 numSwaps = _swaps.length; if (numSwaps != 1) { address finalAsset = _swaps[numSwaps - 1].receivingAssetId; uint256 curBalance; _; for (uint256 i = 0; i < numSwaps - 1; ) { address curAsset = _swaps[i].receivingAssetId; // Handle multi-to-one swaps if (curAsset != finalAsset) { curBalance = LibAsset.getOwnBalance(curAsset) - _initialBalances[i]; if (curBalance > 0) { LibAsset.transferAsset(curAsset, _leftoverReceiver, curBalance); } } unchecked { ++i; } } } else { _; } } /// @dev Sends any leftover balances back to the user reserving native tokens /// @notice Sends any leftover balances to the user /// @param _swaps Swap data array /// @param _leftoverReceiver Address to send leftover tokens to /// @param _initialBalances Array of initial token balances modifier noLeftoversReserve( LibSwap.SwapData[] calldata _swaps, address payable _leftoverReceiver, uint256[] memory _initialBalances, uint256 _nativeReserve ) { uint256 numSwaps = _swaps.length; if (numSwaps != 1) { address finalAsset = _swaps[numSwaps - 1].receivingAssetId; uint256 curBalance; _; for (uint256 i = 0; i < numSwaps - 1; ) { address curAsset = _swaps[i].receivingAssetId; // Handle multi-to-one swaps if (curAsset != finalAsset) { curBalance = LibAsset.getOwnBalance(curAsset) - _initialBalances[i]; uint256 reserve = LibAsset.isNativeAsset(curAsset) ? _nativeReserve : 0; if (curBalance > 0) { LibAsset.transferAsset(curAsset, _leftoverReceiver, curBalance - reserve); } } unchecked { ++i; } } } else { _; } } /// @dev Refunds any excess native asset sent to the contract after the main function /// @notice Refunds any excess native asset sent to the contract after the main function /// @param _refundReceiver Address to send refunds to modifier refundExcessNative(address payable _refundReceiver) { uint256 initialBalance = address(this).balance - msg.value; _; uint256 finalBalance = address(this).balance; uint256 excess = finalBalance > initialBalance ? finalBalance - initialBalance : 0; if (excess > 0) { LibAsset.transferAsset(LibAsset.NATIVE_ASSETID, _refundReceiver, excess); } } /// Internal Methods /// /// @dev Deposits value, executes swaps, and performs minimum amount check /// @param _transactionId the transaction id associated with the operation /// @param _minAmount the minimum amount of the final asset to receive /// @param _swaps Array of data used to execute swaps /// @param _leftoverReceiver The address to send leftover funds to /// @return uint256 result of the swap function _depositAndSwap( bytes32 _transactionId, uint256 _minAmount, LibSwap.SwapData[] calldata _swaps, address payable _leftoverReceiver ) internal returns (uint256) { uint256 numSwaps = _swaps.length; if (numSwaps == 0) { revert NoSwapDataProvided(); } address finalTokenId = _swaps[numSwaps - 1].receivingAssetId; uint256 initialBalance = LibAsset.getOwnBalance(finalTokenId); if (LibAsset.isNativeAsset(finalTokenId)) { initialBalance -= msg.value; } uint256[] memory initialBalances = _fetchBalances(_swaps); LibAsset.depositAssets(_swaps); _executeSwaps(_transactionId, _swaps, _leftoverReceiver, initialBalances); uint256 newBalance = LibAsset.getOwnBalance(finalTokenId) - initialBalance; if (newBalance < _minAmount) { revert CumulativeSlippageTooHigh(_minAmount, newBalance); } return newBalance; } /// @dev Deposits value, executes swaps, and performs minimum amount check and reserves native token for fees /// @param _transactionId the transaction id associated with the operation /// @param _minAmount the minimum amount of the final asset to receive /// @param _swaps Array of data used to execute swaps /// @param _leftoverReceiver The address to send leftover funds to /// @param _nativeReserve Amount of native token to prevent from being swept back to the caller function _depositAndSwap( bytes32 _transactionId, uint256 _minAmount, LibSwap.SwapData[] calldata _swaps, address payable _leftoverReceiver, uint256 _nativeReserve ) internal returns (uint256) { uint256 numSwaps = _swaps.length; if (numSwaps == 0) { revert NoSwapDataProvided(); } address finalTokenId = _swaps[numSwaps - 1].receivingAssetId; uint256 initialBalance = LibAsset.getOwnBalance(finalTokenId); if (LibAsset.isNativeAsset(finalTokenId)) { initialBalance -= msg.value; } uint256[] memory initialBalances = _fetchBalances(_swaps); LibAsset.depositAssets(_swaps); ReserveData memory rd = ReserveData(_transactionId, _leftoverReceiver, _nativeReserve); _executeSwaps(rd, _swaps, initialBalances); uint256 newBalance = LibAsset.getOwnBalance(finalTokenId) - initialBalance; if (newBalance < _minAmount) { revert CumulativeSlippageTooHigh(_minAmount, newBalance); } return newBalance; } /// Private Methods /// /// @dev Executes swaps and checks that DEXs used are in the allowList /// @param _transactionId the transaction id associated with the operation /// @param _swaps Array of data used to execute swaps /// @param _leftoverReceiver Address to send leftover tokens to /// @param _initialBalances Array of initial balances function _executeSwaps( bytes32 _transactionId, LibSwap.SwapData[] calldata _swaps, address payable _leftoverReceiver, uint256[] memory _initialBalances ) internal noLeftovers(_swaps, _leftoverReceiver, _initialBalances) { uint256 numSwaps = _swaps.length; for (uint256 i = 0; i < numSwaps; ) { LibSwap.SwapData calldata currentSwap = _swaps[i]; if ( !((LibAsset.isNativeAsset(currentSwap.sendingAssetId) || LibAllowList.contractIsAllowed(currentSwap.approveTo)) && LibAllowList.contractIsAllowed(currentSwap.callTo) && LibAllowList.selectorIsAllowed(bytes4(currentSwap.callData[:4]))) ) revert ContractCallNotAllowed(); LibSwap.swap(_transactionId, currentSwap); unchecked { ++i; } } } /// @dev Executes swaps and checks that DEXs used are in the allowList /// @param _reserveData Data passed used to reserve native tokens /// @param _swaps Array of data used to execute swaps function _executeSwaps( ReserveData memory _reserveData, LibSwap.SwapData[] calldata _swaps, uint256[] memory _initialBalances ) internal noLeftoversReserve(_swaps, _reserveData.leftoverReceiver, _initialBalances, _reserveData.nativeReserve) { uint256 numSwaps = _swaps.length; for (uint256 i = 0; i < numSwaps; ) { LibSwap.SwapData calldata currentSwap = _swaps[i]; if ( !((LibAsset.isNativeAsset(currentSwap.sendingAssetId) || LibAllowList.contractIsAllowed(currentSwap.approveTo)) && LibAllowList.contractIsAllowed(currentSwap.callTo) && LibAllowList.selectorIsAllowed(bytes4(currentSwap.callData[:4]))) ) revert ContractCallNotAllowed(); LibSwap.swap(_reserveData.transactionId, currentSwap); unchecked { ++i; } } } /// @dev Fetches balances of tokens to be swapped before swapping. /// @param _swaps Array of data used to execute swaps /// @return uint256[] Array of token balances. function _fetchBalances(LibSwap.SwapData[] calldata _swaps) private view returns (uint256[] memory) { uint256 numSwaps = _swaps.length; uint256[] memory balances = new uint256[](numSwaps); address asset; for (uint256 i = 0; i < numSwaps; ) { asset = _swaps[i].receivingAssetId; balances[i] = LibAsset.getOwnBalance(asset); if (LibAsset.isNativeAsset(asset)) { balances[i] -= msg.value; } unchecked { ++i; } } return balances; } }
// SPDX-License-Identifier: UNLICENSED pragma solidity 0.8.17; import { LibAsset } from "../Libraries/LibAsset.sol"; import { LibUtil } from "../Libraries/LibUtil.sol"; import { InvalidReceiver, InformationMismatch, InvalidSendingToken, InvalidAmount, NativeAssetNotSupported, InvalidDestinationChain } from "../Errors/GenericErrors.sol"; import { ILiFi } from "../Interfaces/ILiFi.sol"; import { LibSwap } from "../Libraries/LibSwap.sol"; contract Validatable { modifier validateBridgeData(ILiFi.BridgeData memory _bridgeData) { if (LibUtil.isZeroAddress(_bridgeData.receiver)) { revert InvalidReceiver(); } if (_bridgeData.minAmount == 0) { revert InvalidAmount(); } _; } modifier noNativeAsset(ILiFi.BridgeData memory _bridgeData) { if (LibAsset.isNativeAsset(_bridgeData.sendingAssetId)) { revert NativeAssetNotSupported(); } _; } modifier onlyAllowSourceToken(ILiFi.BridgeData memory _bridgeData, address _token) { if (_bridgeData.sendingAssetId != _token) { revert InvalidSendingToken(); } _; } modifier onlyAllowDestinationChain(ILiFi.BridgeData memory _bridgeData, uint256 _chainId) { if (_bridgeData.destinationChainId != _chainId) { revert InvalidDestinationChain(); } _; } modifier containsSourceSwaps(ILiFi.BridgeData memory _bridgeData) { if (!_bridgeData.hasSourceSwaps) { revert InformationMismatch(); } _; } modifier doesNotContainSourceSwaps(ILiFi.BridgeData memory _bridgeData) { if (_bridgeData.hasSourceSwaps) { revert InformationMismatch(); } _; } modifier doesNotContainDestinationCalls(ILiFi.BridgeData memory _bridgeData) { if (_bridgeData.hasDestinationCall) { revert InformationMismatch(); } _; } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.17; interface IDiamondCut { enum FacetCutAction { Add, Replace, Remove } // Add=0, Replace=1, Remove=2 struct FacetCut { address facetAddress; FacetCutAction action; bytes4[] functionSelectors; } /// @notice Add/replace/remove any number of functions and optionally execute /// a function with delegatecall /// @param _diamondCut Contains the facet addresses and function selectors /// @param _init The address of the contract or facet to execute _calldata /// @param _calldata A function call, including function selector and arguments /// _calldata is executed with delegatecall on _init function diamondCut( FacetCut[] calldata _diamondCut, address _init, bytes calldata _calldata ) external; event DiamondCut(FacetCut[] _diamondCut, address _init, bytes _calldata); }
// SPDX-License-Identifier: MIT pragma solidity 0.8.17; interface ILiFi { /// Structs /// struct BridgeData { bytes32 transactionId; string bridge; string integrator; address referrer; address sendingAssetId; address receiver; uint256 minAmount; uint256 destinationChainId; bool hasSourceSwaps; bool hasDestinationCall; } /// Events /// event LiFiTransferStarted(ILiFi.BridgeData bridgeData); event LiFiTransferCompleted( bytes32 indexed transactionId, address receivingAssetId, address receiver, uint256 amount, uint256 timestamp ); }
// SPDX-License-Identifier: BUSL-1.1 pragma solidity 0.8.17; interface IStargateRouter { struct lzTxObj { uint256 dstGasForCall; uint256 dstNativeAmount; bytes dstNativeAddr; } /// @notice Returns factory address used for creating pools. function factory() external view returns (address); /// @notice Swap assets cross-chain. /// @dev Pass (0, 0, "0x") to lzTxParams /// for 0 additional gasLimit increase, 0 airdrop, at 0x address. /// @param dstChainId Destination chainId /// @param srcPoolId Source pool id /// @param dstPoolId Dest pool id /// @param refundAddress Refund adddress. extra gas (if any) is returned to this address /// @param amountLD Quantity to swap /// @param minAmountLD The min qty you would accept on the destination /// @param lzTxParams Additional gas, airdrop data /// @param to The address to send the tokens to on the destination /// @param payload Additional payload. You can abi.encode() them here function swap( uint16 dstChainId, uint256 srcPoolId, uint256 dstPoolId, address payable refundAddress, uint256 amountLD, uint256 minAmountLD, lzTxObj memory lzTxParams, bytes calldata to, bytes calldata payload ) external payable; /// @notice Returns the native gas fee required for swap. function quoteLayerZeroFee( uint16 dstChainId, uint8 functionType, bytes calldata toAddress, bytes calldata transferAndCallPayload, lzTxObj memory lzTxParams ) external view returns (uint256 nativeFee, uint256 zroFee); } interface IFactory { /// @notice Returns PoolInfo for poolId function getPool(uint256) external view returns (address); } interface IPool { /// @notice Returns PoolInfo for poolId function token() external view returns (address); }
// SPDX-License-Identifier: MIT pragma solidity 0.8.17; import { CannotAuthoriseSelf, UnAuthorized } from "../Errors/GenericErrors.sol"; /// @title Access Library /// @author LI.FI (https://li.fi) /// @notice Provides functionality for managing method level access control library LibAccess { /// Types /// bytes32 internal constant NAMESPACE = keccak256("com.lifi.library.access.management"); /// Storage /// struct AccessStorage { mapping(bytes4 => mapping(address => bool)) execAccess; } /// Events /// event AccessGranted(address indexed account, bytes4 indexed method); event AccessRevoked(address indexed account, bytes4 indexed method); /// @dev Fetch local storage function accessStorage() internal pure returns (AccessStorage storage accStor) { bytes32 position = NAMESPACE; // solhint-disable-next-line no-inline-assembly assembly { accStor.slot := position } } /// @notice Gives an address permission to execute a method /// @param selector The method selector to execute /// @param executor The address to grant permission to function addAccess(bytes4 selector, address executor) internal { if (executor == address(this)) { revert CannotAuthoriseSelf(); } AccessStorage storage accStor = accessStorage(); accStor.execAccess[selector][executor] = true; emit AccessGranted(executor, selector); } /// @notice Revokes permission to execute a method /// @param selector The method selector to execute /// @param executor The address to revoke permission from function removeAccess(bytes4 selector, address executor) internal { AccessStorage storage accStor = accessStorage(); accStor.execAccess[selector][executor] = false; emit AccessRevoked(executor, selector); } /// @notice Enforces access control by reverting if `msg.sender` /// has not been given permission to execute `msg.sig` function enforceAccessControl() internal view { AccessStorage storage accStor = accessStorage(); if (accStor.execAccess[msg.sig][msg.sender] != true) revert UnAuthorized(); } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.17; import { InvalidContract } from "../Errors/GenericErrors.sol"; /// @title Lib Allow List /// @author LI.FI (https://li.fi) /// @notice Library for managing and accessing the conract address allow list library LibAllowList { /// Storage /// bytes32 internal constant NAMESPACE = keccak256("com.lifi.library.allow.list"); struct AllowListStorage { mapping(address => bool) allowlist; mapping(bytes4 => bool) selectorAllowList; address[] contracts; } /// @dev Adds a contract address to the allow list /// @param _contract the contract address to add function addAllowedContract(address _contract) internal { _checkAddress(_contract); AllowListStorage storage als = _getStorage(); if (als.allowlist[_contract]) return; als.allowlist[_contract] = true; als.contracts.push(_contract); } /// @dev Checks whether a contract address has been added to the allow list /// @param _contract the contract address to check function contractIsAllowed(address _contract) internal view returns (bool) { return _getStorage().allowlist[_contract]; } /// @dev Remove a contract address from the allow list /// @param _contract the contract address to remove function removeAllowedContract(address _contract) internal { AllowListStorage storage als = _getStorage(); if (!als.allowlist[_contract]) { return; } als.allowlist[_contract] = false; uint256 length = als.contracts.length; // Find the contract in the list for (uint256 i = 0; i < length; i++) { if (als.contracts[i] == _contract) { // Move the last element into the place to delete als.contracts[i] = als.contracts[length - 1]; // Remove the last element als.contracts.pop(); break; } } } /// @dev Fetch contract addresses from the allow list function getAllowedContracts() internal view returns (address[] memory) { return _getStorage().contracts; } /// @dev Add a selector to the allow list /// @param _selector the selector to add function addAllowedSelector(bytes4 _selector) internal { _getStorage().selectorAllowList[_selector] = true; } /// @dev Removes a selector from the allow list /// @param _selector the selector to remove function removeAllowedSelector(bytes4 _selector) internal { _getStorage().selectorAllowList[_selector] = false; } /// @dev Returns if selector has been added to the allow list /// @param _selector the selector to check function selectorIsAllowed(bytes4 _selector) internal view returns (bool) { return _getStorage().selectorAllowList[_selector]; } /// @dev Fetch local storage struct function _getStorage() internal pure returns (AllowListStorage storage als) { bytes32 position = NAMESPACE; // solhint-disable-next-line no-inline-assembly assembly { als.slot := position } } /// @dev Contains business logic for validating a contract address. /// @param _contract address of the dex to check function _checkAddress(address _contract) private view { if (_contract == address(0)) revert InvalidContract(); if (_contract.code.length == 0) revert InvalidContract(); } }
// SPDX-License-Identifier: UNLICENSED pragma solidity 0.8.17; import { InsufficientBalance, NullAddrIsNotAnERC20Token, NullAddrIsNotAValidSpender, NoTransferToNullAddress, InvalidAmount, NativeValueWithERC, NativeAssetTransferFailed } from "../Errors/GenericErrors.sol"; import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol"; import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; import { LibSwap } from "./LibSwap.sol"; /// @title LibAsset /// @notice This library contains helpers for dealing with onchain transfers /// of assets, including accounting for the native asset `assetId` /// conventions and any noncompliant ERC20 transfers library LibAsset { uint256 private constant MAX_UINT = type(uint256).max; address internal constant NULL_ADDRESS = address(0); /// @dev All native assets use the empty address for their asset id /// by convention address internal constant NATIVE_ASSETID = NULL_ADDRESS; //address(0) /// @notice Gets the balance of the inheriting contract for the given asset /// @param assetId The asset identifier to get the balance of /// @return Balance held by contracts using this library function getOwnBalance(address assetId) internal view returns (uint256) { return assetId == NATIVE_ASSETID ? address(this).balance : IERC20(assetId).balanceOf(address(this)); } /// @notice Transfers ether from the inheriting contract to a given /// recipient /// @param recipient Address to send ether to /// @param amount Amount to send to given recipient function transferNativeAsset(address payable recipient, uint256 amount) private { if (recipient == NULL_ADDRESS) revert NoTransferToNullAddress(); if (amount > address(this).balance) revert InsufficientBalance(amount, address(this).balance); // solhint-disable-next-line avoid-low-level-calls (bool success, ) = recipient.call{ value: amount }(""); if (!success) revert NativeAssetTransferFailed(); } /// @notice If the current allowance is insufficient, the allowance for a given spender /// is set to MAX_UINT. /// @param assetId Token address to transfer /// @param spender Address to give spend approval to /// @param amount Amount to approve for spending function maxApproveERC20( IERC20 assetId, address spender, uint256 amount ) internal { if (address(assetId) == NATIVE_ASSETID) return; if (spender == NULL_ADDRESS) revert NullAddrIsNotAValidSpender(); uint256 allowance = assetId.allowance(address(this), spender); if (allowance < amount) SafeERC20.safeIncreaseAllowance(IERC20(assetId), spender, MAX_UINT - allowance); } /// @notice Transfers tokens from the inheriting contract to a given /// recipient /// @param assetId Token address to transfer /// @param recipient Address to send token to /// @param amount Amount to send to given recipient function transferERC20( address assetId, address recipient, uint256 amount ) private { if (isNativeAsset(assetId)) revert NullAddrIsNotAnERC20Token(); uint256 assetBalance = IERC20(assetId).balanceOf(address(this)); if (amount > assetBalance) revert InsufficientBalance(amount, assetBalance); SafeERC20.safeTransfer(IERC20(assetId), recipient, amount); } /// @notice Transfers tokens from a sender to a given recipient /// @param assetId Token address to transfer /// @param from Address of sender/owner /// @param to Address of recipient/spender /// @param amount Amount to transfer from owner to spender function transferFromERC20( address assetId, address from, address to, uint256 amount ) internal { if (assetId == NATIVE_ASSETID) revert NullAddrIsNotAnERC20Token(); if (to == NULL_ADDRESS) revert NoTransferToNullAddress(); IERC20 asset = IERC20(assetId); uint256 prevBalance = asset.balanceOf(to); SafeERC20.safeTransferFrom(asset, from, to, amount); if (asset.balanceOf(to) - prevBalance != amount) revert InvalidAmount(); } function depositAsset(address assetId, uint256 amount) internal { if (isNativeAsset(assetId)) { if (msg.value < amount) revert InvalidAmount(); } else { if (amount == 0) revert InvalidAmount(); uint256 balance = IERC20(assetId).balanceOf(msg.sender); if (balance < amount) revert InsufficientBalance(amount, balance); transferFromERC20(assetId, msg.sender, address(this), amount); } } function depositAssets(LibSwap.SwapData[] calldata swaps) internal { for (uint256 i = 0; i < swaps.length; ) { LibSwap.SwapData memory swap = swaps[i]; if (swap.requiresDeposit) { depositAsset(swap.sendingAssetId, swap.fromAmount); } unchecked { i++; } } } /// @notice Determines whether the given assetId is the native asset /// @param assetId The asset identifier to evaluate /// @return Boolean indicating if the asset is the native asset function isNativeAsset(address assetId) internal pure returns (bool) { return assetId == NATIVE_ASSETID; } /// @notice Wrapper function to transfer a given asset (native or erc20) to /// some recipient. Should handle all non-compliant return value /// tokens as well by using the SafeERC20 contract by open zeppelin. /// @param assetId Asset id for transfer (address(0) for native asset, /// token address for erc20s) /// @param recipient Address to send asset to /// @param amount Amount to send to given recipient function transferAsset( address assetId, address payable recipient, uint256 amount ) internal { (assetId == NATIVE_ASSETID) ? transferNativeAsset(recipient, amount) : transferERC20(assetId, recipient, amount); } /// @dev Checks whether the given address is a contract and contains code function isContract(address _contractAddr) internal view returns (bool) { uint256 size; // solhint-disable-next-line no-inline-assembly assembly { size := extcodesize(_contractAddr) } return size > 0; } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.17; library LibBytes { // solhint-disable no-inline-assembly // LibBytes specific errors error SliceOverflow(); error SliceOutOfBounds(); error AddressOutOfBounds(); error UintOutOfBounds(); // ------------------------- function concat(bytes memory _preBytes, bytes memory _postBytes) internal pure returns (bytes memory) { bytes memory tempBytes; assembly { // Get a location of some free memory and store it in tempBytes as // Solidity does for memory variables. tempBytes := mload(0x40) // Store the length of the first bytes array at the beginning of // the memory for tempBytes. let length := mload(_preBytes) mstore(tempBytes, length) // Maintain a memory counter for the current write location in the // temp bytes array by adding the 32 bytes for the array length to // the starting location. let mc := add(tempBytes, 0x20) // Stop copying when the memory counter reaches the length of the // first bytes array. let end := add(mc, length) for { // Initialize a copy counter to the start of the _preBytes data, // 32 bytes into its memory. let cc := add(_preBytes, 0x20) } lt(mc, end) { // Increase both counters by 32 bytes each iteration. mc := add(mc, 0x20) cc := add(cc, 0x20) } { // Write the _preBytes data into the tempBytes memory 32 bytes // at a time. mstore(mc, mload(cc)) } // Add the length of _postBytes to the current length of tempBytes // and store it as the new length in the first 32 bytes of the // tempBytes memory. length := mload(_postBytes) mstore(tempBytes, add(length, mload(tempBytes))) // Move the memory counter back from a multiple of 0x20 to the // actual end of the _preBytes data. mc := end // Stop copying when the memory counter reaches the new combined // length of the arrays. end := add(mc, length) for { let cc := add(_postBytes, 0x20) } lt(mc, end) { mc := add(mc, 0x20) cc := add(cc, 0x20) } { mstore(mc, mload(cc)) } // Update the free-memory pointer by padding our last write location // to 32 bytes: add 31 bytes to the end of tempBytes to move to the // next 32 byte block, then round down to the nearest multiple of // 32. If the sum of the length of the two arrays is zero then add // one before rounding down to leave a blank 32 bytes (the length block with 0). mstore( 0x40, and( add(add(end, iszero(add(length, mload(_preBytes)))), 31), not(31) // Round down to the nearest 32 bytes. ) ) } return tempBytes; } function concatStorage(bytes storage _preBytes, bytes memory _postBytes) internal { assembly { // Read the first 32 bytes of _preBytes storage, which is the length // of the array. (We don't need to use the offset into the slot // because arrays use the entire slot.) let fslot := sload(_preBytes.slot) // Arrays of 31 bytes or less have an even value in their slot, // while longer arrays have an odd value. The actual length is // the slot divided by two for odd values, and the lowest order // byte divided by two for even values. // If the slot is even, bitwise and the slot with 255 and divide by // two to get the length. If the slot is odd, bitwise and the slot // with -1 and divide by two. let slength := div(and(fslot, sub(mul(0x100, iszero(and(fslot, 1))), 1)), 2) let mlength := mload(_postBytes) let newlength := add(slength, mlength) // slength can contain both the length and contents of the array // if length < 32 bytes so let's prepare for that // v. http://solidity.readthedocs.io/en/latest/miscellaneous.html#layout-of-state-variables-in-storage switch add(lt(slength, 32), lt(newlength, 32)) case 2 { // Since the new array still fits in the slot, we just need to // update the contents of the slot. // uint256(bytes_storage) = uint256(bytes_storage) + uint256(bytes_memory) + new_length sstore( _preBytes.slot, // all the modifications to the slot are inside this // next block add( // we can just add to the slot contents because the // bytes we want to change are the LSBs fslot, add( mul( div( // load the bytes from memory mload(add(_postBytes, 0x20)), // zero all bytes to the right exp(0x100, sub(32, mlength)) ), // and now shift left the number of bytes to // leave space for the length in the slot exp(0x100, sub(32, newlength)) ), // increase length by the double of the memory // bytes length mul(mlength, 2) ) ) ) } case 1 { // The stored value fits in the slot, but the combined value // will exceed it. // get the keccak hash to get the contents of the array mstore(0x0, _preBytes.slot) let sc := add(keccak256(0x0, 0x20), div(slength, 32)) // save new length sstore(_preBytes.slot, add(mul(newlength, 2), 1)) // The contents of the _postBytes array start 32 bytes into // the structure. Our first read should obtain the `submod` // bytes that can fit into the unused space in the last word // of the stored array. To get this, we read 32 bytes starting // from `submod`, so the data we read overlaps with the array // contents by `submod` bytes. Masking the lowest-order // `submod` bytes allows us to add that value directly to the // stored value. let submod := sub(32, slength) let mc := add(_postBytes, submod) let end := add(_postBytes, mlength) let mask := sub(exp(0x100, submod), 1) sstore( sc, add( and(fslot, 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff00), and(mload(mc), mask) ) ) for { mc := add(mc, 0x20) sc := add(sc, 1) } lt(mc, end) { sc := add(sc, 1) mc := add(mc, 0x20) } { sstore(sc, mload(mc)) } mask := exp(0x100, sub(mc, end)) sstore(sc, mul(div(mload(mc), mask), mask)) } default { // get the keccak hash to get the contents of the array mstore(0x0, _preBytes.slot) // Start copying to the last used word of the stored array. let sc := add(keccak256(0x0, 0x20), div(slength, 32)) // save new length sstore(_preBytes.slot, add(mul(newlength, 2), 1)) // Copy over the first `submod` bytes of the new data as in // case 1 above. let slengthmod := mod(slength, 32) let submod := sub(32, slengthmod) let mc := add(_postBytes, submod) let end := add(_postBytes, mlength) let mask := sub(exp(0x100, submod), 1) sstore(sc, add(sload(sc), and(mload(mc), mask))) for { sc := add(sc, 1) mc := add(mc, 0x20) } lt(mc, end) { sc := add(sc, 1) mc := add(mc, 0x20) } { sstore(sc, mload(mc)) } mask := exp(0x100, sub(mc, end)) sstore(sc, mul(div(mload(mc), mask), mask)) } } } function slice( bytes memory _bytes, uint256 _start, uint256 _length ) internal pure returns (bytes memory) { if (_length + 31 < _length) revert SliceOverflow(); if (_bytes.length < _start + _length) revert SliceOutOfBounds(); bytes memory tempBytes; assembly { switch iszero(_length) case 0 { // Get a location of some free memory and store it in tempBytes as // Solidity does for memory variables. tempBytes := mload(0x40) // The first word of the slice result is potentially a partial // word read from the original array. To read it, we calculate // the length of that partial word and start copying that many // bytes into the array. The first word we copy will start with // data we don't care about, but the last `lengthmod` bytes will // land at the beginning of the contents of the new array. When // we're done copying, we overwrite the full first word with // the actual length of the slice. let lengthmod := and(_length, 31) // The multiplication in the next line is necessary // because when slicing multiples of 32 bytes (lengthmod == 0) // the following copy loop was copying the origin's length // and then ending prematurely not copying everything it should. let mc := add(add(tempBytes, lengthmod), mul(0x20, iszero(lengthmod))) let end := add(mc, _length) for { // The multiplication in the next line has the same exact purpose // as the one above. let cc := add(add(add(_bytes, lengthmod), mul(0x20, iszero(lengthmod))), _start) } lt(mc, end) { mc := add(mc, 0x20) cc := add(cc, 0x20) } { mstore(mc, mload(cc)) } mstore(tempBytes, _length) //update free-memory pointer //allocating the array padded to 32 bytes like the compiler does now mstore(0x40, and(add(mc, 31), not(31))) } //if we want a zero-length slice let's just return a zero-length array default { tempBytes := mload(0x40) //zero out the 32 bytes slice we are about to return //we need to do it because Solidity does not garbage collect mstore(tempBytes, 0) mstore(0x40, add(tempBytes, 0x20)) } } return tempBytes; } function toAddress(bytes memory _bytes, uint256 _start) internal pure returns (address) { if (_bytes.length < _start + 20) { revert AddressOutOfBounds(); } address tempAddress; assembly { tempAddress := div(mload(add(add(_bytes, 0x20), _start)), 0x1000000000000000000000000) } return tempAddress; } function toUint8(bytes memory _bytes, uint256 _start) internal pure returns (uint8) { if (_bytes.length < _start + 1) { revert UintOutOfBounds(); } uint8 tempUint; assembly { tempUint := mload(add(add(_bytes, 0x1), _start)) } return tempUint; } function toUint16(bytes memory _bytes, uint256 _start) internal pure returns (uint16) { if (_bytes.length < _start + 2) { revert UintOutOfBounds(); } uint16 tempUint; assembly { tempUint := mload(add(add(_bytes, 0x2), _start)) } return tempUint; } function toUint32(bytes memory _bytes, uint256 _start) internal pure returns (uint32) { if (_bytes.length < _start + 4) { revert UintOutOfBounds(); } uint32 tempUint; assembly { tempUint := mload(add(add(_bytes, 0x4), _start)) } return tempUint; } function toUint64(bytes memory _bytes, uint256 _start) internal pure returns (uint64) { if (_bytes.length < _start + 8) { revert UintOutOfBounds(); } uint64 tempUint; assembly { tempUint := mload(add(add(_bytes, 0x8), _start)) } return tempUint; } function toUint96(bytes memory _bytes, uint256 _start) internal pure returns (uint96) { if (_bytes.length < _start + 12) { revert UintOutOfBounds(); } uint96 tempUint; assembly { tempUint := mload(add(add(_bytes, 0xc), _start)) } return tempUint; } function toUint128(bytes memory _bytes, uint256 _start) internal pure returns (uint128) { if (_bytes.length < _start + 16) { revert UintOutOfBounds(); } uint128 tempUint; assembly { tempUint := mload(add(add(_bytes, 0x10), _start)) } return tempUint; } function toUint256(bytes memory _bytes, uint256 _start) internal pure returns (uint256) { if (_bytes.length < _start + 32) { revert UintOutOfBounds(); } uint256 tempUint; assembly { tempUint := mload(add(add(_bytes, 0x20), _start)) } return tempUint; } function toBytes32(bytes memory _bytes, uint256 _start) internal pure returns (bytes32) { if (_bytes.length < _start + 32) { revert UintOutOfBounds(); } bytes32 tempBytes32; assembly { tempBytes32 := mload(add(add(_bytes, 0x20), _start)) } return tempBytes32; } function equal(bytes memory _preBytes, bytes memory _postBytes) internal pure returns (bool) { bool success = true; assembly { let length := mload(_preBytes) // if lengths don't match the arrays are not equal switch eq(length, mload(_postBytes)) case 1 { // cb is a circuit breaker in the for loop since there's // no said feature for inline assembly loops // cb = 1 - don't breaker // cb = 0 - break let cb := 1 let mc := add(_preBytes, 0x20) let end := add(mc, length) for { let cc := add(_postBytes, 0x20) // the next line is the loop condition: // while(uint256(mc < end) + cb == 2) } eq(add(lt(mc, end), cb), 2) { mc := add(mc, 0x20) cc := add(cc, 0x20) } { // if any of these checks fails then arrays are not equal if iszero(eq(mload(mc), mload(cc))) { // unsuccess: success := 0 cb := 0 } } } default { // unsuccess: success := 0 } } return success; } function equalStorage(bytes storage _preBytes, bytes memory _postBytes) internal view returns (bool) { bool success = true; assembly { // we know _preBytes_offset is 0 let fslot := sload(_preBytes.slot) // Decode the length of the stored array like in concatStorage(). let slength := div(and(fslot, sub(mul(0x100, iszero(and(fslot, 1))), 1)), 2) let mlength := mload(_postBytes) // if lengths don't match the arrays are not equal switch eq(slength, mlength) case 1 { // slength can contain both the length and contents of the array // if length < 32 bytes so let's prepare for that // v. http://solidity.readthedocs.io/en/latest/miscellaneous.html#layout-of-state-variables-in-storage if iszero(iszero(slength)) { switch lt(slength, 32) case 1 { // blank the last byte which is the length fslot := mul(div(fslot, 0x100), 0x100) if iszero(eq(fslot, mload(add(_postBytes, 0x20)))) { // unsuccess: success := 0 } } default { // cb is a circuit breaker in the for loop since there's // no said feature for inline assembly loops // cb = 1 - don't breaker // cb = 0 - break let cb := 1 // get the keccak hash to get the contents of the array mstore(0x0, _preBytes.slot) let sc := keccak256(0x0, 0x20) let mc := add(_postBytes, 0x20) let end := add(mc, mlength) // the next line is the loop condition: // while(uint256(mc < end) + cb == 2) // solhint-disable-next-line no-empty-blocks for { } eq(add(lt(mc, end), cb), 2) { sc := add(sc, 1) mc := add(mc, 0x20) } { if iszero(eq(sload(sc), mload(mc))) { // unsuccess: success := 0 cb := 0 } } } } } default { // unsuccess: success := 0 } } return success; } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.17; import { IDiamondCut } from "../Interfaces/IDiamondCut.sol"; import { LibUtil } from "../Libraries/LibUtil.sol"; import { OnlyContractOwner } from "../Errors/GenericErrors.sol"; /// Implementation of EIP-2535 Diamond Standard /// https://eips.ethereum.org/EIPS/eip-2535 library LibDiamond { bytes32 internal constant DIAMOND_STORAGE_POSITION = keccak256("diamond.standard.diamond.storage"); // Diamond specific errors error IncorrectFacetCutAction(); error NoSelectorsInFace(); error FunctionAlreadyExists(); error FacetAddressIsZero(); error FacetAddressIsNotZero(); error FacetContainsNoCode(); error FunctionDoesNotExist(); error FunctionIsImmutable(); error InitZeroButCalldataNotEmpty(); error CalldataEmptyButInitNotZero(); error InitReverted(); // ---------------- struct FacetAddressAndPosition { address facetAddress; uint96 functionSelectorPosition; // position in facetFunctionSelectors.functionSelectors array } struct FacetFunctionSelectors { bytes4[] functionSelectors; uint256 facetAddressPosition; // position of facetAddress in facetAddresses array } struct DiamondStorage { // maps function selector to the facet address and // the position of the selector in the facetFunctionSelectors.selectors array mapping(bytes4 => FacetAddressAndPosition) selectorToFacetAndPosition; // maps facet addresses to function selectors mapping(address => FacetFunctionSelectors) facetFunctionSelectors; // facet addresses address[] facetAddresses; // Used to query if a contract implements an interface. // Used to implement ERC-165. mapping(bytes4 => bool) supportedInterfaces; // owner of the contract address contractOwner; } function diamondStorage() internal pure returns (DiamondStorage storage ds) { bytes32 position = DIAMOND_STORAGE_POSITION; // solhint-disable-next-line no-inline-assembly assembly { ds.slot := position } } event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); function setContractOwner(address _newOwner) internal { DiamondStorage storage ds = diamondStorage(); address previousOwner = ds.contractOwner; ds.contractOwner = _newOwner; emit OwnershipTransferred(previousOwner, _newOwner); } function contractOwner() internal view returns (address contractOwner_) { contractOwner_ = diamondStorage().contractOwner; } function enforceIsContractOwner() internal view { if (msg.sender != diamondStorage().contractOwner) revert OnlyContractOwner(); } event DiamondCut(IDiamondCut.FacetCut[] _diamondCut, address _init, bytes _calldata); // Internal function version of diamondCut function diamondCut( IDiamondCut.FacetCut[] memory _diamondCut, address _init, bytes memory _calldata ) internal { for (uint256 facetIndex; facetIndex < _diamondCut.length; ) { IDiamondCut.FacetCutAction action = _diamondCut[facetIndex].action; if (action == IDiamondCut.FacetCutAction.Add) { addFunctions(_diamondCut[facetIndex].facetAddress, _diamondCut[facetIndex].functionSelectors); } else if (action == IDiamondCut.FacetCutAction.Replace) { replaceFunctions(_diamondCut[facetIndex].facetAddress, _diamondCut[facetIndex].functionSelectors); } else if (action == IDiamondCut.FacetCutAction.Remove) { removeFunctions(_diamondCut[facetIndex].facetAddress, _diamondCut[facetIndex].functionSelectors); } else { revert IncorrectFacetCutAction(); } unchecked { ++facetIndex; } } emit DiamondCut(_diamondCut, _init, _calldata); initializeDiamondCut(_init, _calldata); } function addFunctions(address _facetAddress, bytes4[] memory _functionSelectors) internal { if (_functionSelectors.length == 0) { revert NoSelectorsInFace(); } DiamondStorage storage ds = diamondStorage(); if (LibUtil.isZeroAddress(_facetAddress)) { revert FacetAddressIsZero(); } uint96 selectorPosition = uint96(ds.facetFunctionSelectors[_facetAddress].functionSelectors.length); // add new facet address if it does not exist if (selectorPosition == 0) { addFacet(ds, _facetAddress); } for (uint256 selectorIndex; selectorIndex < _functionSelectors.length; ) { bytes4 selector = _functionSelectors[selectorIndex]; address oldFacetAddress = ds.selectorToFacetAndPosition[selector].facetAddress; if (!LibUtil.isZeroAddress(oldFacetAddress)) { revert FunctionAlreadyExists(); } addFunction(ds, selector, selectorPosition, _facetAddress); unchecked { ++selectorPosition; ++selectorIndex; } } } function replaceFunctions(address _facetAddress, bytes4[] memory _functionSelectors) internal { if (_functionSelectors.length == 0) { revert NoSelectorsInFace(); } DiamondStorage storage ds = diamondStorage(); if (LibUtil.isZeroAddress(_facetAddress)) { revert FacetAddressIsZero(); } uint96 selectorPosition = uint96(ds.facetFunctionSelectors[_facetAddress].functionSelectors.length); // add new facet address if it does not exist if (selectorPosition == 0) { addFacet(ds, _facetAddress); } for (uint256 selectorIndex; selectorIndex < _functionSelectors.length; ) { bytes4 selector = _functionSelectors[selectorIndex]; address oldFacetAddress = ds.selectorToFacetAndPosition[selector].facetAddress; if (oldFacetAddress == _facetAddress) { revert FunctionAlreadyExists(); } removeFunction(ds, oldFacetAddress, selector); addFunction(ds, selector, selectorPosition, _facetAddress); unchecked { ++selectorPosition; ++selectorIndex; } } } function removeFunctions(address _facetAddress, bytes4[] memory _functionSelectors) internal { if (_functionSelectors.length == 0) { revert NoSelectorsInFace(); } DiamondStorage storage ds = diamondStorage(); // if function does not exist then do nothing and return if (!LibUtil.isZeroAddress(_facetAddress)) { revert FacetAddressIsNotZero(); } for (uint256 selectorIndex; selectorIndex < _functionSelectors.length; ) { bytes4 selector = _functionSelectors[selectorIndex]; address oldFacetAddress = ds.selectorToFacetAndPosition[selector].facetAddress; removeFunction(ds, oldFacetAddress, selector); unchecked { ++selectorIndex; } } } function addFacet(DiamondStorage storage ds, address _facetAddress) internal { enforceHasContractCode(_facetAddress); ds.facetFunctionSelectors[_facetAddress].facetAddressPosition = ds.facetAddresses.length; ds.facetAddresses.push(_facetAddress); } function addFunction( DiamondStorage storage ds, bytes4 _selector, uint96 _selectorPosition, address _facetAddress ) internal { ds.selectorToFacetAndPosition[_selector].functionSelectorPosition = _selectorPosition; ds.facetFunctionSelectors[_facetAddress].functionSelectors.push(_selector); ds.selectorToFacetAndPosition[_selector].facetAddress = _facetAddress; } function removeFunction( DiamondStorage storage ds, address _facetAddress, bytes4 _selector ) internal { if (LibUtil.isZeroAddress(_facetAddress)) { revert FunctionDoesNotExist(); } // an immutable function is a function defined directly in a diamond if (_facetAddress == address(this)) { revert FunctionIsImmutable(); } // replace selector with last selector, then delete last selector uint256 selectorPosition = ds.selectorToFacetAndPosition[_selector].functionSelectorPosition; uint256 lastSelectorPosition = ds.facetFunctionSelectors[_facetAddress].functionSelectors.length - 1; // if not the same then replace _selector with lastSelector if (selectorPosition != lastSelectorPosition) { bytes4 lastSelector = ds.facetFunctionSelectors[_facetAddress].functionSelectors[lastSelectorPosition]; ds.facetFunctionSelectors[_facetAddress].functionSelectors[selectorPosition] = lastSelector; ds.selectorToFacetAndPosition[lastSelector].functionSelectorPosition = uint96(selectorPosition); } // delete the last selector ds.facetFunctionSelectors[_facetAddress].functionSelectors.pop(); delete ds.selectorToFacetAndPosition[_selector]; // if no more selectors for facet address then delete the facet address if (lastSelectorPosition == 0) { // replace facet address with last facet address and delete last facet address uint256 lastFacetAddressPosition = ds.facetAddresses.length - 1; uint256 facetAddressPosition = ds.facetFunctionSelectors[_facetAddress].facetAddressPosition; if (facetAddressPosition != lastFacetAddressPosition) { address lastFacetAddress = ds.facetAddresses[lastFacetAddressPosition]; ds.facetAddresses[facetAddressPosition] = lastFacetAddress; ds.facetFunctionSelectors[lastFacetAddress].facetAddressPosition = facetAddressPosition; } ds.facetAddresses.pop(); delete ds.facetFunctionSelectors[_facetAddress].facetAddressPosition; } } function initializeDiamondCut(address _init, bytes memory _calldata) internal { if (LibUtil.isZeroAddress(_init)) { if (_calldata.length != 0) { revert InitZeroButCalldataNotEmpty(); } } else { if (_calldata.length == 0) { revert CalldataEmptyButInitNotZero(); } if (_init != address(this)) { enforceHasContractCode(_init); } // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory error) = _init.delegatecall(_calldata); if (!success) { if (error.length > 0) { // bubble up the error revert(string(error)); } else { revert InitReverted(); } } } } function enforceHasContractCode(address _contract) internal view { uint256 contractSize; // solhint-disable-next-line no-inline-assembly assembly { contractSize := extcodesize(_contract) } if (contractSize == 0) { revert FacetContainsNoCode(); } } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.17; import { CannotAuthoriseSelf, UnAuthorized } from "../Errors/GenericErrors.sol"; import { LibAccess } from "../Libraries/LibAccess.sol"; /// @title Mappings Library /// @author LI.FI (https://li.fi) /// @notice Provides mappings for all facets that may need them library LibMappings { /// Types /// bytes32 internal constant STARGATE_NAMESPACE = keccak256("com.lifi.library.mappings.stargate"); bytes32 internal constant WORMHOLE_NAMESPACE = keccak256("com.lifi.library.mappings.wormhole"); bytes32 internal constant AMAROK_NAMESPACE = keccak256("com.lifi.library.mappings.amarok"); /// Storage /// struct StargateMappings { mapping(address => uint16) stargatePoolId; mapping(uint256 => uint16) layerZeroChainId; bool initialized; } struct WormholeMappings { mapping(uint256 => uint16) wormholeChainId; } struct AmarokMappings { mapping(uint256 => uint32) amarokDomain; } /// @dev Fetch local storage for Stargate function getStargateMappings() internal pure returns (StargateMappings storage ms) { bytes32 position = STARGATE_NAMESPACE; // solhint-disable-next-line no-inline-assembly assembly { ms.slot := position } } /// @dev Fetch local storage for Wormhole function getWormholeMappings() internal pure returns (WormholeMappings storage ms) { bytes32 position = WORMHOLE_NAMESPACE; // solhint-disable-next-line no-inline-assembly assembly { ms.slot := position } } /// @dev Fetch local storage for Amarok function getAmarokMappings() internal pure returns (AmarokMappings storage ms) { bytes32 position = AMAROK_NAMESPACE; // solhint-disable-next-line no-inline-assembly assembly { ms.slot := position } } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.17; import { LibAsset } from "./LibAsset.sol"; import { LibUtil } from "./LibUtil.sol"; import { InvalidContract, NoSwapFromZeroBalance, InsufficientBalance } from "../Errors/GenericErrors.sol"; import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol"; library LibSwap { struct SwapData { address callTo; address approveTo; address sendingAssetId; address receivingAssetId; uint256 fromAmount; bytes callData; bool requiresDeposit; } event AssetSwapped( bytes32 transactionId, address dex, address fromAssetId, address toAssetId, uint256 fromAmount, uint256 toAmount, uint256 timestamp ); function swap(bytes32 transactionId, SwapData calldata _swap) internal { if (!LibAsset.isContract(_swap.callTo)) revert InvalidContract(); uint256 fromAmount = _swap.fromAmount; if (fromAmount == 0) revert NoSwapFromZeroBalance(); uint256 nativeValue = LibAsset.isNativeAsset(_swap.sendingAssetId) ? _swap.fromAmount : 0; uint256 initialSendingAssetBalance = LibAsset.getOwnBalance(_swap.sendingAssetId); uint256 initialReceivingAssetBalance = LibAsset.getOwnBalance(_swap.receivingAssetId); if (nativeValue == 0) { LibAsset.maxApproveERC20(IERC20(_swap.sendingAssetId), _swap.approveTo, _swap.fromAmount); } if (initialSendingAssetBalance < _swap.fromAmount) { revert InsufficientBalance(_swap.fromAmount, initialSendingAssetBalance); } // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory res) = _swap.callTo.call{ value: nativeValue }(_swap.callData); if (!success) { string memory reason = LibUtil.getRevertMsg(res); revert(reason); } uint256 newBalance = LibAsset.getOwnBalance(_swap.receivingAssetId); emit AssetSwapped( transactionId, _swap.callTo, _swap.sendingAssetId, _swap.receivingAssetId, _swap.fromAmount, newBalance > initialReceivingAssetBalance ? newBalance - initialReceivingAssetBalance : newBalance, block.timestamp ); } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.17; import "./LibBytes.sol"; library LibUtil { using LibBytes for bytes; function getRevertMsg(bytes memory _res) internal pure returns (string memory) { // If the _res length is less than 68, then the transaction failed silently (without a revert message) if (_res.length < 68) return "Transaction reverted silently"; bytes memory revertData = _res.slice(4, _res.length - 4); // Remove the selector which is the first 4 bytes return abi.decode(revertData, (string)); // All that remains is the revert string } /// @notice Determines whether the given address is the zero address /// @param addr The address to verify /// @return Boolean indicating if the address is the zero address function isZeroAddress(address addr) internal pure returns (bool) { return addr == address(0); } }
{ "remappings": [ "@axelar-network/=node_modules/@axelar-network/", "@connext/=node_modules/@connext/", "@eth-optimism/=node_modules/@hop-protocol/sdk/node_modules/@eth-optimism/", "@openzeppelin/=node_modules/@openzeppelin/", "@uniswap/=node_modules/@uniswap/", "create3-factory/=lib/create3-factory/src/", "ds-test/=lib/ds-test/src/", "eth-gas-reporter/=node_modules/eth-gas-reporter/", "forge-std/=lib/forge-std/src/", "hardhat-deploy/=node_modules/hardhat-deploy/", "hardhat/=node_modules/hardhat/", "lifi/=src/", "solmate/=lib/solmate/src/" ], "optimizer": { "enabled": true, "runs": 10000 }, "metadata": { "bytecodeHash": "ipfs" }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "evmVersion": "london", "libraries": {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[{"internalType":"contract IStargateRouter","name":"_router","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"AlreadyInitialized","type":"error"},{"inputs":[],"name":"ContractCallNotAllowed","type":"error"},{"inputs":[{"internalType":"uint256","name":"minAmount","type":"uint256"},{"internalType":"uint256","name":"receivedAmount","type":"uint256"}],"name":"CumulativeSlippageTooHigh","type":"error"},{"inputs":[],"name":"InformationMismatch","type":"error"},{"inputs":[{"internalType":"uint256","name":"required","type":"uint256"},{"internalType":"uint256","name":"balance","type":"uint256"}],"name":"InsufficientBalance","type":"error"},{"inputs":[],"name":"InvalidAmount","type":"error"},{"inputs":[],"name":"InvalidConfig","type":"error"},{"inputs":[],"name":"InvalidContract","type":"error"},{"inputs":[],"name":"InvalidReceiver","type":"error"},{"inputs":[],"name":"InvalidStargateRouter","type":"error"},{"inputs":[],"name":"NativeAssetNotSupported","type":"error"},{"inputs":[],"name":"NativeAssetTransferFailed","type":"error"},{"inputs":[],"name":"NoSwapDataProvided","type":"error"},{"inputs":[],"name":"NoSwapFromZeroBalance","type":"error"},{"inputs":[],"name":"NoTransferToNullAddress","type":"error"},{"inputs":[],"name":"NotInitialized","type":"error"},{"inputs":[],"name":"NullAddrIsNotAValidSpender","type":"error"},{"inputs":[],"name":"NullAddrIsNotAnERC20Token","type":"error"},{"inputs":[],"name":"OnlyContractOwner","type":"error"},{"inputs":[],"name":"ReentrancyError","type":"error"},{"inputs":[],"name":"SliceOutOfBounds","type":"error"},{"inputs":[],"name":"SliceOverflow","type":"error"},{"inputs":[],"name":"UnknownLayerZeroChain","type":"error"},{"inputs":[],"name":"UnknownStargatePool","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"chainId","type":"uint256"},{"indexed":false,"internalType":"uint16","name":"layerZeroChainId","type":"uint16"}],"name":"LayerZeroChainIdSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"transactionId","type":"bytes32"},{"indexed":false,"internalType":"address","name":"receivingAssetId","type":"address"},{"indexed":false,"internalType":"address","name":"receiver","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"timestamp","type":"uint256"}],"name":"LiFiTransferCompleted","type":"event"},{"anonymous":false,"inputs":[{"components":[{"internalType":"bytes32","name":"transactionId","type":"bytes32"},{"internalType":"string","name":"bridge","type":"string"},{"internalType":"string","name":"integrator","type":"string"},{"internalType":"address","name":"referrer","type":"address"},{"internalType":"address","name":"sendingAssetId","type":"address"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"minAmount","type":"uint256"},{"internalType":"uint256","name":"destinationChainId","type":"uint256"},{"internalType":"bool","name":"hasSourceSwaps","type":"bool"},{"internalType":"bool","name":"hasDestinationCall","type":"bool"}],"indexed":false,"internalType":"struct ILiFi.BridgeData","name":"bridgeData","type":"tuple"}],"name":"LiFiTransferStarted","type":"event"},{"anonymous":false,"inputs":[{"components":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint16","name":"poolId","type":"uint16"}],"indexed":false,"internalType":"struct StargateFacet.PoolIdConfig[]","name":"poolIdConfigs","type":"tuple[]"},{"components":[{"internalType":"uint256","name":"chainId","type":"uint256"},{"internalType":"uint16","name":"layerZeroChainId","type":"uint16"}],"indexed":false,"internalType":"struct StargateFacet.ChainIdConfig[]","name":"chainIdConfigs","type":"tuple[]"}],"name":"StargateInitialized","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"uint256","name":"poolId","type":"uint256"}],"name":"StargatePoolIdSet","type":"event"},{"inputs":[{"components":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint16","name":"poolId","type":"uint16"}],"internalType":"struct StargateFacet.PoolIdConfig[]","name":"poolIdConfigs","type":"tuple[]"},{"components":[{"internalType":"uint256","name":"chainId","type":"uint256"},{"internalType":"uint16","name":"layerZeroChainId","type":"uint16"}],"internalType":"struct StargateFacet.ChainIdConfig[]","name":"chainIdConfigs","type":"tuple[]"}],"name":"initStargate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_destinationChainId","type":"uint256"},{"components":[{"internalType":"uint256","name":"dstPoolId","type":"uint256"},{"internalType":"uint256","name":"minAmountLD","type":"uint256"},{"internalType":"uint256","name":"dstGasForCall","type":"uint256"},{"internalType":"uint256","name":"lzFee","type":"uint256"},{"internalType":"address payable","name":"refundAddress","type":"address"},{"internalType":"bytes","name":"callTo","type":"bytes"},{"internalType":"bytes","name":"callData","type":"bytes"}],"internalType":"struct StargateFacet.StargateData","name":"_stargateData","type":"tuple"}],"name":"quoteLayerZeroFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_chainId","type":"uint256"},{"internalType":"uint16","name":"_layerZeroChainId","type":"uint16"}],"name":"setLayerZeroChainId","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"uint16","name":"_poolId","type":"uint16"}],"name":"setStargatePoolId","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"bytes32","name":"transactionId","type":"bytes32"},{"internalType":"string","name":"bridge","type":"string"},{"internalType":"string","name":"integrator","type":"string"},{"internalType":"address","name":"referrer","type":"address"},{"internalType":"address","name":"sendingAssetId","type":"address"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"minAmount","type":"uint256"},{"internalType":"uint256","name":"destinationChainId","type":"uint256"},{"internalType":"bool","name":"hasSourceSwaps","type":"bool"},{"internalType":"bool","name":"hasDestinationCall","type":"bool"}],"internalType":"struct ILiFi.BridgeData","name":"_bridgeData","type":"tuple"},{"components":[{"internalType":"uint256","name":"dstPoolId","type":"uint256"},{"internalType":"uint256","name":"minAmountLD","type":"uint256"},{"internalType":"uint256","name":"dstGasForCall","type":"uint256"},{"internalType":"uint256","name":"lzFee","type":"uint256"},{"internalType":"address payable","name":"refundAddress","type":"address"},{"internalType":"bytes","name":"callTo","type":"bytes"},{"internalType":"bytes","name":"callData","type":"bytes"}],"internalType":"struct StargateFacet.StargateData","name":"_stargateData","type":"tuple"}],"name":"startBridgeTokensViaStargate","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"components":[{"internalType":"bytes32","name":"transactionId","type":"bytes32"},{"internalType":"string","name":"bridge","type":"string"},{"internalType":"string","name":"integrator","type":"string"},{"internalType":"address","name":"referrer","type":"address"},{"internalType":"address","name":"sendingAssetId","type":"address"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"minAmount","type":"uint256"},{"internalType":"uint256","name":"destinationChainId","type":"uint256"},{"internalType":"bool","name":"hasSourceSwaps","type":"bool"},{"internalType":"bool","name":"hasDestinationCall","type":"bool"}],"internalType":"struct ILiFi.BridgeData","name":"_bridgeData","type":"tuple"},{"components":[{"internalType":"address","name":"callTo","type":"address"},{"internalType":"address","name":"approveTo","type":"address"},{"internalType":"address","name":"sendingAssetId","type":"address"},{"internalType":"address","name":"receivingAssetId","type":"address"},{"internalType":"uint256","name":"fromAmount","type":"uint256"},{"internalType":"bytes","name":"callData","type":"bytes"},{"internalType":"bool","name":"requiresDeposit","type":"bool"}],"internalType":"struct LibSwap.SwapData[]","name":"_swapData","type":"tuple[]"},{"components":[{"internalType":"uint256","name":"dstPoolId","type":"uint256"},{"internalType":"uint256","name":"minAmountLD","type":"uint256"},{"internalType":"uint256","name":"dstGasForCall","type":"uint256"},{"internalType":"uint256","name":"lzFee","type":"uint256"},{"internalType":"address payable","name":"refundAddress","type":"address"},{"internalType":"bytes","name":"callTo","type":"bytes"},{"internalType":"bytes","name":"callData","type":"bytes"}],"internalType":"struct StargateFacet.StargateData","name":"_stargateData","type":"tuple"}],"name":"swapAndStartBridgeTokensViaStargate","outputs":[],"stateMutability":"payable","type":"function"}]
Contract Creation Code
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
Deployed Bytecode
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
Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
0000000000000000000000008731d54e9d02c286767d56ac03e8037c07e01e98
-----Decoded View---------------
Arg [0] : _router (address): 0x8731d54E9D02c286767d56ac03e8037C07e01e98
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000008731d54e9d02c286767d56ac03e8037c07e01e98
Loading...
Loading
Loading...
Loading
Multichain Portfolio | 26 Chains
Chain | Token | Portfolio % | Price | Amount | Value |
---|
Loading...
Loading
[ Download: CSV Export ]
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.