Contract
0x26cDC2C58bDC2D3028A7a37F5D7e479eB7bf025C
12
Contract Overview
Balance:
0 GLMR
GLMR Value:
$0.00
My Name Tag:
Not Available, login to update
Latest 1 internal transaction
Parent Txn Hash | Block | From | To | Value | |||
---|---|---|---|---|---|---|---|
0xc3014d4f47c58ecfdd5658da0a8e4ec528e166e4bde31c208f24d47a62f79e4f | 2106242 | 228 days 14 hrs ago | 0xdd1b5d34f0e8ffa2819ff1d72df0c04d0633e5bf | Contract Creation | 0 GLMR |
[ Download CSV Export ]
Contract Source Code Verified (Exact Match)
Contract Name:
NXTPFacet
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 // 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: MIT pragma solidity 0.8.17; import { ITransactionManager } from "../Interfaces/ITransactionManager.sol"; import { ILiFi } from "../Interfaces/ILiFi.sol"; import { LibAsset, IERC20 } from "../Libraries/LibAsset.sol"; import { ReentrancyGuard } from "../Helpers/ReentrancyGuard.sol"; import { LibUtil } from "../Libraries/LibUtil.sol"; import { SwapperV2, LibSwap } from "../Helpers/SwapperV2.sol"; import { InvalidReceiver, InformationMismatch, InvalidFallbackAddress } from "../Errors/GenericErrors.sol"; import { Validatable } from "../Helpers/Validatable.sol"; /// @title NXTP (Connext) Facet /// @author LI.FI (https://li.fi) /// @notice Provides functionality for bridging through NXTP (Connext) contract NXTPFacet is ILiFi, ReentrancyGuard, SwapperV2, Validatable { /// Storage /// /// @notice The contract address of the transaction manager on the source chain. ITransactionManager private immutable txManager; /// Errors /// error InvariantDataMismatch(string message); /// Types /// struct NXTPData { ITransactionManager.InvariantTransactionData invariantData; uint256 expiry; bytes encryptedCallData; bytes encodedBid; bytes bidSignature; bytes encodedMeta; } /// Constructor /// /// @notice Initialize the contract. /// @param _txManager The contract address of the transaction manager on the source chain. constructor(ITransactionManager _txManager) { txManager = _txManager; } /// External Methods /// /// @notice This function starts a cross-chain transaction using the NXTP protocol /// @param _bridgeData the core information needed for bridging /// @param _nxtpData data needed to complete an NXTP cross-chain transaction function startBridgeTokensViaNXTP(ILiFi.BridgeData memory _bridgeData, NXTPData calldata _nxtpData) external payable refundExcessNative(payable(msg.sender)) doesNotContainSourceSwaps(_bridgeData) validateBridgeData(_bridgeData) nonReentrant { if (hasDestinationCall(_nxtpData) != _bridgeData.hasDestinationCall) { revert InformationMismatch(); } validateInvariantData(_nxtpData.invariantData, _bridgeData); LibAsset.depositAsset(_nxtpData.invariantData.sendingAssetId, _bridgeData.minAmount); _startBridge(_bridgeData, _nxtpData); } /// @notice This function performs a swap or multiple swaps and then starts a cross-chain transaction /// using the NXTP protocol. /// @param _bridgeData the core information needed for bridging /// @param _swapData array of data needed for swaps /// @param _nxtpData data needed to complete an NXTP cross-chain transaction function swapAndStartBridgeTokensViaNXTP( ILiFi.BridgeData memory _bridgeData, LibSwap.SwapData[] calldata _swapData, NXTPData calldata _nxtpData ) external payable refundExcessNative(payable(msg.sender)) containsSourceSwaps(_bridgeData) validateBridgeData(_bridgeData) nonReentrant { if (hasDestinationCall(_nxtpData) != _bridgeData.hasDestinationCall) { revert InformationMismatch(); } validateInvariantData(_nxtpData.invariantData, _bridgeData); _bridgeData.minAmount = _depositAndSwap( _bridgeData.transactionId, _bridgeData.minAmount, _swapData, payable(msg.sender) ); _startBridge(_bridgeData, _nxtpData); } /// Private Methods /// /// @dev Contains the business logic for the bridge via NXTP /// @param _bridgeData the core information needed for bridging /// @param _nxtpData data specific to NXTP function _startBridge(ILiFi.BridgeData memory _bridgeData, NXTPData memory _nxtpData) private { IERC20 sendingAssetId = IERC20(_nxtpData.invariantData.sendingAssetId); // Give Connext approval to bridge tokens LibAsset.maxApproveERC20(IERC20(sendingAssetId), address(txManager), _bridgeData.minAmount); { address sendingChainFallback = _nxtpData.invariantData.sendingChainFallback; address receivingAddress = _nxtpData.invariantData.receivingAddress; if (LibUtil.isZeroAddress(sendingChainFallback)) { revert InvalidFallbackAddress(); } if (LibUtil.isZeroAddress(receivingAddress)) { revert InvalidReceiver(); } } // Initiate bridge transaction on sending chain txManager.prepare{ value: LibAsset.isNativeAsset(address(sendingAssetId)) ? _bridgeData.minAmount : 0 }( ITransactionManager.PrepareArgs( _nxtpData.invariantData, _bridgeData.minAmount, _nxtpData.expiry, _nxtpData.encryptedCallData, _nxtpData.encodedBid, _nxtpData.bidSignature, _nxtpData.encodedMeta ) ); emit LiFiTransferStarted(_bridgeData); } function validateInvariantData( ITransactionManager.InvariantTransactionData calldata _invariantData, ILiFi.BridgeData memory _bridgeData ) private pure { if (_invariantData.sendingAssetId != _bridgeData.sendingAssetId) { revert InvariantDataMismatch("sendingAssetId"); } if (_invariantData.receivingAddress != _bridgeData.receiver) { revert InvariantDataMismatch("receivingAddress"); } if (_invariantData.receivingChainId != _bridgeData.destinationChainId) { revert InvariantDataMismatch("receivingChainId"); } } function hasDestinationCall(NXTPData memory _nxtpData) private pure returns (bool) { return _nxtpData.encryptedCallData.length > 0; } }
// 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 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: UNLICENSED pragma solidity 0.8.17; interface ITransactionManager { // Structs // Holds all data that is constant between sending and // receiving chains. The hash of this is what gets signed // to ensure the signature can be used on both chains. struct InvariantTransactionData { address receivingChainTxManagerAddress; address user; address router; address initiator; // msg.sender of sending side address sendingAssetId; address receivingAssetId; address sendingChainFallback; // funds sent here on cancel address receivingAddress; address callTo; uint256 sendingChainId; uint256 receivingChainId; bytes32 callDataHash; // hashed to prevent free option bytes32 transactionId; } // All Transaction data, constant and variable struct TransactionData { address receivingChainTxManagerAddress; address user; address router; address initiator; // msg.sender of sending side address sendingAssetId; address receivingAssetId; address sendingChainFallback; address receivingAddress; address callTo; bytes32 callDataHash; bytes32 transactionId; uint256 sendingChainId; uint256 receivingChainId; uint256 amount; uint256 expiry; uint256 preparedBlockNumber; // Needed for removal of active blocks on fulfill/cancel } /** * Arguments for calling prepare() * @param invariantData The data for a crosschain transaction that will * not change between sending and receiving chains. * The hash of this data is used as the key to store * the inforamtion that does change between chains * (amount,expiry,preparedBlock) for verification * @param amount The amount of the transaction on this chain * @param expiry The block.timestamp when the transaction will no longer be * fulfillable and is freely cancellable on this chain * @param encryptedCallData The calldata to be executed when the tx is * fulfilled. Used in the function to allow the user * to reconstruct the tx from events. Hash is stored * onchain to prevent shenanigans. * @param encodedBid The encoded bid that was accepted by the user for this * crosschain transfer. It is supplied as a param to the * function but is only used in event emission * @param bidSignature The signature of the bidder on the encoded bid for * this transaction. Only used within the function for * event emission. The validity of the bid and * bidSignature are enforced offchain * @param encodedMeta The meta for the function */ struct PrepareArgs { InvariantTransactionData invariantData; uint256 amount; uint256 expiry; bytes encryptedCallData; bytes encodedBid; bytes bidSignature; bytes encodedMeta; } // called in the following order (in happy case) // 1. prepare by user on sending chain function prepare(PrepareArgs calldata args) external payable returns (TransactionData memory); }
// 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 { 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": {} }
[{"inputs":[{"internalType":"contract ITransactionManager","name":"_txManager","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"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":"InvalidContract","type":"error"},{"inputs":[],"name":"InvalidFallbackAddress","type":"error"},{"inputs":[],"name":"InvalidReceiver","type":"error"},{"inputs":[{"internalType":"string","name":"message","type":"string"}],"name":"InvariantDataMismatch","type":"error"},{"inputs":[],"name":"NativeAssetTransferFailed","type":"error"},{"inputs":[],"name":"NoSwapDataProvided","type":"error"},{"inputs":[],"name":"NoSwapFromZeroBalance","type":"error"},{"inputs":[],"name":"NoTransferToNullAddress","type":"error"},{"inputs":[],"name":"NullAddrIsNotAValidSpender","type":"error"},{"inputs":[],"name":"NullAddrIsNotAnERC20Token","type":"error"},{"inputs":[],"name":"ReentrancyError","type":"error"},{"inputs":[],"name":"SliceOutOfBounds","type":"error"},{"inputs":[],"name":"SliceOverflow","type":"error"},{"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"},{"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":[{"components":[{"internalType":"address","name":"receivingChainTxManagerAddress","type":"address"},{"internalType":"address","name":"user","type":"address"},{"internalType":"address","name":"router","type":"address"},{"internalType":"address","name":"initiator","type":"address"},{"internalType":"address","name":"sendingAssetId","type":"address"},{"internalType":"address","name":"receivingAssetId","type":"address"},{"internalType":"address","name":"sendingChainFallback","type":"address"},{"internalType":"address","name":"receivingAddress","type":"address"},{"internalType":"address","name":"callTo","type":"address"},{"internalType":"uint256","name":"sendingChainId","type":"uint256"},{"internalType":"uint256","name":"receivingChainId","type":"uint256"},{"internalType":"bytes32","name":"callDataHash","type":"bytes32"},{"internalType":"bytes32","name":"transactionId","type":"bytes32"}],"internalType":"struct ITransactionManager.InvariantTransactionData","name":"invariantData","type":"tuple"},{"internalType":"uint256","name":"expiry","type":"uint256"},{"internalType":"bytes","name":"encryptedCallData","type":"bytes"},{"internalType":"bytes","name":"encodedBid","type":"bytes"},{"internalType":"bytes","name":"bidSignature","type":"bytes"},{"internalType":"bytes","name":"encodedMeta","type":"bytes"}],"internalType":"struct NXTPFacet.NXTPData","name":"_nxtpData","type":"tuple"}],"name":"startBridgeTokensViaNXTP","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":[{"components":[{"internalType":"address","name":"receivingChainTxManagerAddress","type":"address"},{"internalType":"address","name":"user","type":"address"},{"internalType":"address","name":"router","type":"address"},{"internalType":"address","name":"initiator","type":"address"},{"internalType":"address","name":"sendingAssetId","type":"address"},{"internalType":"address","name":"receivingAssetId","type":"address"},{"internalType":"address","name":"sendingChainFallback","type":"address"},{"internalType":"address","name":"receivingAddress","type":"address"},{"internalType":"address","name":"callTo","type":"address"},{"internalType":"uint256","name":"sendingChainId","type":"uint256"},{"internalType":"uint256","name":"receivingChainId","type":"uint256"},{"internalType":"bytes32","name":"callDataHash","type":"bytes32"},{"internalType":"bytes32","name":"transactionId","type":"bytes32"}],"internalType":"struct ITransactionManager.InvariantTransactionData","name":"invariantData","type":"tuple"},{"internalType":"uint256","name":"expiry","type":"uint256"},{"internalType":"bytes","name":"encryptedCallData","type":"bytes"},{"internalType":"bytes","name":"encodedBid","type":"bytes"},{"internalType":"bytes","name":"bidSignature","type":"bytes"},{"internalType":"bytes","name":"encodedMeta","type":"bytes"}],"internalType":"struct NXTPFacet.NXTPData","name":"_nxtpData","type":"tuple"}],"name":"swapAndStartBridgeTokensViaNXTP","outputs":[],"stateMutability":"payable","type":"function"}]
Contract Creation Code
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
Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
00000000000000000000000031efc4aeaa7c39e54a33fdc3c46ee2bd70ae0a09
-----Decoded View---------------
Arg [0] : _txManager (address): 0x31efc4aeaa7c39e54a33fdc3c46ee2bd70ae0a09
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 00000000000000000000000031efc4aeaa7c39e54a33fdc3c46ee2bd70ae0a09
Age | Block | Fee Address | BC Fee Address | Voting Power | Jailed | Incoming |
---|
Make sure to use the "Vote Down" button for any spammy posts, and the "Vote Up" for interesting conversations.