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> 10 Internal Transactions and > 10 Token Transfers found.

Latest 20 internal transactions

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169322692023-03-29 10:10:23674 days ago1680084623
0x2065e127...623d5af41
51.81804792 ETH
169322692023-03-29 10:10:23674 days ago1680084623
0x2065e127...623d5af41
51.81804792 ETH
169322552023-03-29 10:07:35674 days ago1680084455
0x2065e127...623d5af41
37.75 ETH
169322552023-03-29 10:07:35674 days ago1680084455
0x2065e127...623d5af41
37.75 ETH
169190982023-03-27 13:45:11676 days ago1679924711
0x2065e127...623d5af41
50 ETH
169190982023-03-27 13:45:11676 days ago1679924711
0x2065e127...623d5af41
50 ETH
169086802023-03-26 2:38:23677 days ago1679798303
0x2065e127...623d5af41
16.04194706 ETH
169086802023-03-26 2:38:23677 days ago1679798303
0x2065e127...623d5af41
16.04194706 ETH
169020992023-03-25 4:26:47678 days ago1679718407
0x2065e127...623d5af41
2.6 ETH
169020992023-03-25 4:26:47678 days ago1679718407
0x2065e127...623d5af41
2.6 ETH
169016522023-03-25 2:56:35678 days ago1679712995
0x2065e127...623d5af41
38.92 ETH
169016522023-03-25 2:56:35678 days ago1679712995
0x2065e127...623d5af41
38.92 ETH
168964682023-03-24 9:27:59679 days ago1679650079
0x2065e127...623d5af41
0.013 ETH
168964682023-03-24 9:27:59679 days ago1679650079
0x2065e127...623d5af41
0.013 ETH
168935342023-03-23 23:35:11679 days ago1679614511
0x2065e127...623d5af41
0.12 ETH
168935342023-03-23 23:35:11679 days ago1679614511
0x2065e127...623d5af41
0.12 ETH
168834542023-03-22 13:33:23681 days ago1679492003
0x2065e127...623d5af41
13.87114337 ETH
168834542023-03-22 13:33:23681 days ago1679492003
0x2065e127...623d5af41
13.87114337 ETH
168833122023-03-22 13:04:23681 days ago1679490263
0x2065e127...623d5af41
13.87416961 ETH
168833122023-03-22 13:04:23681 days ago1679490263
0x2065e127...623d5af41
13.87416961 ETH
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Contract Source Code Verified (Exact Match)

Contract Name:
PendleSwapEthereum

Compiler Version
v0.8.17+commit.8df45f5f

Optimization Enabled:
Yes with 90000 runs

Other Settings:
default evmVersion
File 1 of 18 : PendleSwapEthereum.sol
// SPDX-License-Identifier: GPL-3.0-or-later
pragma solidity 0.8.17;

import "@openzeppelin/contracts/utils/Address.sol";
import "../../core/libraries/TokenHelper.sol";
import "../../core/libraries/Errors.sol";
import "./IPSwapAggregator.sol";
import "./1inch/OneInchAggregationRouterHelper.sol";
import "./kyberswap/ethereum/KyberHelperEthereum.sol";

contract PendleSwapEthereum is
    IPSwapAggregator,
    TokenHelper,
    KyberHelperEthereum,
    OneInchAggregationRouterHelper
{
    using Address for address;

    function swap(address tokenIn, uint256 amountIn, SwapData calldata data) external payable {
        _safeApproveInf(tokenIn, data.extRouter);
        data.extRouter.functionCallWithValue(
            data.needScale
                ? _getScaledInputData(data.swapType, data.extCalldata, amountIn)
                : data.extCalldata,
            tokenIn == NATIVE ? amountIn : 0
        );
    }

    function _getScaledInputData(
        SwapType swapType,
        bytes calldata rawCallData,
        uint256 amountIn
    ) internal pure returns (bytes memory scaledCallData) {
        if (swapType == SwapType.KYBERSWAP) {
            scaledCallData = _getKyberScaledInputData(rawCallData, amountIn);
        } else if (swapType == SwapType.ONE_INCH) {
            scaledCallData = _get1inchScaledInputData(rawCallData, amountIn);
        } else {
            assert(false);
        }
    }

    receive() external payable {}
}

File 2 of 18 : draft-IERC20Permit.sol
// 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);
}

File 3 of 18 : IERC20Metadata.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

File 4 of 18 : IERC20.sol
// 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);
}

File 5 of 18 : SafeERC20.sol
// 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");
        }
    }
}

File 6 of 18 : Address.sol
// 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);
            }
        }
    }
}

File 7 of 18 : Errors.sol
// SPDX-License-Identifier: GPL-3.0-or-later
pragma solidity 0.8.17;

library Errors {
    // BulkSeller
    error BulkInsufficientSyForTrade(uint256 currentAmount, uint256 requiredAmount);
    error BulkInsufficientTokenForTrade(uint256 currentAmount, uint256 requiredAmount);
    error BulkInSufficientSyOut(uint256 actualSyOut, uint256 requiredSyOut);
    error BulkInSufficientTokenOut(uint256 actualTokenOut, uint256 requiredTokenOut);
    error BulkInsufficientSyReceived(uint256 actualBalance, uint256 requiredBalance);
    error BulkNotMaintainer();
    error BulkNotAdmin();
    error BulkSellerAlreadyExisted(address token, address SY, address bulk);
    error BulkSellerInvalidToken(address token, address SY);
    error BulkBadRateTokenToSy(uint256 actualRate, uint256 currentRate, uint256 eps);
    error BulkBadRateSyToToken(uint256 actualRate, uint256 currentRate, uint256 eps);

    // APPROX
    error ApproxFail();
    error ApproxParamsInvalid(uint256 guessMin, uint256 guessMax, uint256 eps);
    error ApproxBinarySearchInputInvalid(
        uint256 approxGuessMin,
        uint256 approxGuessMax,
        uint256 minGuessMin,
        uint256 maxGuessMax
    );

    // MARKET + MARKET MATH CORE
    error MarketExpired();
    error MarketZeroAmountsInput();
    error MarketZeroAmountsOutput();
    error MarketZeroLnImpliedRate();
    error MarketInsufficientPtForTrade(int256 currentAmount, int256 requiredAmount);
    error MarketInsufficientPtReceived(uint256 actualBalance, uint256 requiredBalance);
    error MarketInsufficientSyReceived(uint256 actualBalance, uint256 requiredBalance);
    error MarketZeroTotalPtOrTotalAsset(int256 totalPt, int256 totalAsset);
    error MarketExchangeRateBelowOne(int256 exchangeRate);
    error MarketProportionMustNotEqualOne();
    error MarketRateScalarBelowZero(int256 rateScalar);
    error MarketScalarRootBelowZero(int256 scalarRoot);
    error MarketProportionTooHigh(int256 proportion, int256 maxProportion);

    error OracleUninitialized();
    error OracleTargetTooOld(uint32 target, uint32 oldest);
    error OracleZeroCardinality();

    error MarketFactoryExpiredPt();
    error MarketFactoryInvalidPt();
    error MarketFactoryMarketExists();

    error MarketFactoryLnFeeRateRootTooHigh(uint80 lnFeeRateRoot, uint256 maxLnFeeRateRoot);
    error MarketFactoryReserveFeePercentTooHigh(
        uint8 reserveFeePercent,
        uint8 maxReserveFeePercent
    );
    error MarketFactoryZeroTreasury();
    error MarketFactoryInitialAnchorTooLow(int256 initialAnchor, int256 minInitialAnchor);

    // ROUTER
    error RouterInsufficientLpOut(uint256 actualLpOut, uint256 requiredLpOut);
    error RouterInsufficientSyOut(uint256 actualSyOut, uint256 requiredSyOut);
    error RouterInsufficientPtOut(uint256 actualPtOut, uint256 requiredPtOut);
    error RouterInsufficientYtOut(uint256 actualYtOut, uint256 requiredYtOut);
    error RouterInsufficientPYOut(uint256 actualPYOut, uint256 requiredPYOut);
    error RouterInsufficientTokenOut(uint256 actualTokenOut, uint256 requiredTokenOut);
    error RouterExceededLimitSyIn(uint256 actualSyIn, uint256 limitSyIn);
    error RouterExceededLimitPtIn(uint256 actualPtIn, uint256 limitPtIn);
    error RouterExceededLimitYtIn(uint256 actualYtIn, uint256 limitYtIn);
    error RouterInsufficientSyRepay(uint256 actualSyRepay, uint256 requiredSyRepay);
    error RouterInsufficientPtRepay(uint256 actualPtRepay, uint256 requiredPtRepay);
    error RouterNotAllSyUsed(uint256 netSyDesired, uint256 netSyUsed);

    error RouterTimeRangeZero();
    error RouterCallbackNotPendleMarket(address caller);
    error RouterInvalidAction(bytes4 selector);
    error RouterInvalidFacet(address facet);

    error RouterKyberSwapDataZero();

    // YIELD CONTRACT
    error YCExpired();
    error YCNotExpired();
    error YieldContractInsufficientSy(uint256 actualSy, uint256 requiredSy);
    error YCNothingToRedeem();
    error YCPostExpiryDataNotSet();
    error YCNoFloatingSy();

    // YieldFactory
    error YCFactoryInvalidExpiry();
    error YCFactoryYieldContractExisted();
    error YCFactoryZeroExpiryDivisor();
    error YCFactoryZeroTreasury();
    error YCFactoryInterestFeeRateTooHigh(uint256 interestFeeRate, uint256 maxInterestFeeRate);
    error YCFactoryRewardFeeRateTooHigh(uint256 newRewardFeeRate, uint256 maxRewardFeeRate);

    // SY
    error SYInvalidTokenIn(address token);
    error SYInvalidTokenOut(address token);
    error SYZeroDeposit();
    error SYZeroRedeem();
    error SYInsufficientSharesOut(uint256 actualSharesOut, uint256 requiredSharesOut);
    error SYInsufficientTokenOut(uint256 actualTokenOut, uint256 requiredTokenOut);

    // SY-specific
    error SYQiTokenMintFailed(uint256 errCode);
    error SYQiTokenRedeemFailed(uint256 errCode);
    error SYQiTokenRedeemRewardsFailed(uint256 rewardAccruedType0, uint256 rewardAccruedType1);
    error SYQiTokenBorrowRateTooHigh(uint256 borrowRate, uint256 borrowRateMax);

    error SYCurveInvalidPid();
    error SYCurve3crvPoolNotFound();

    error SYApeDepositAmountTooSmall(uint256 amountDeposited);
    error SYBalancerInvalidPid();
    error SYInvalidRewardToken(address token);

    // Liquidity Mining
    error VCInactivePool(address pool);
    error VCPoolAlreadyActive(address pool);
    error VCZeroVePendle(address user);
    error VCExceededMaxWeight(uint256 totalWeight, uint256 maxWeight);
    error VCEpochNotFinalized(uint256 wTime);
    error VCPoolAlreadyAddAndRemoved(address pool);

    error VEInvalidNewExpiry(uint256 newExpiry);
    error VEExceededMaxLockTime();
    error VEInsufficientLockTime();
    error VENotAllowedReduceExpiry();
    error VEZeroAmountLocked();
    error VEPositionNotExpired();
    error VEZeroPosition();
    error VEZeroSlope(uint128 bias, uint128 slope);
    error VEReceiveOldSupply(uint256 msgTime);

    error GCNotPendleMarket(address caller);
    error GCNotVotingController(address caller);

    error InvalidWTime(uint256 wTime);
    error ExpiryInThePast(uint256 expiry);
    error ChainNotSupported(uint256 chainId);

    error FDTotalAmountFundedNotMatch(uint256 actualTotalAmount, uint256 expectedTotalAmount);
    error FDEpochLengthMismatch();
    error FDInvalidPool(address pool);
    error FDPoolAlreadyExists(address pool);
    error FDInvalidNewFinishedEpoch(uint256 oldFinishedEpoch, uint256 newFinishedEpoch);
    error FDInvalidStartEpoch(uint256 startEpoch);
    error FDInvalidWTimeFund(uint256 lastFunded, uint256 wTime);
    error FDFutureFunding(uint256 lastFunded, uint256 currentWTime);

    error BDInvalidEpoch(uint256 epoch, uint256 startTime);

    // Cross-Chain
    error MsgNotFromSendEndpoint(uint16 srcChainId, bytes path);
    error MsgNotFromReceiveEndpoint(address sender);
    error InsufficientFeeToSendMsg(uint256 currentFee, uint256 requiredFee);
    error ApproxDstExecutionGasNotSet();
    error InvalidRetryData();

    // GENERIC MSG
    error ArrayLengthMismatch();
    error ArrayEmpty();
    error ArrayOutOfBounds();
    error ZeroAddress();
    error FailedToSendEther();

    error OnlyLayerZeroEndpoint();
    error OnlyYT();
    error OnlyYCFactory();
    error OnlyWhitelisted();

    // Swap Aggregator
    error SAInsufficientTokenIn(address tokenIn, uint256 amountExpected, uint256 amountActual);
    error UnsupportedSelector(uint256 aggregatorType, bytes4 selector);
}

File 8 of 18 : TokenHelper.sol
// SPDX-License-Identifier: GPL-3.0-or-later
pragma solidity 0.8.17;
import "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "../../interfaces/IWETH.sol";

abstract contract TokenHelper {
    using SafeERC20 for IERC20;
    address internal constant NATIVE = address(0);
    uint256 internal constant LOWER_BOUND_APPROVAL = type(uint96).max / 2; // some tokens use 96 bits for approval

    function _transferIn(address token, address from, uint256 amount) internal {
        if (token == NATIVE) require(msg.value == amount, "eth mismatch");
        else if (amount != 0) IERC20(token).safeTransferFrom(from, address(this), amount);
    }

    function _transferFrom(IERC20 token, address from, address to, uint256 amount) internal {
        if (amount != 0) token.safeTransferFrom(from, to, amount);
    }

    function _transferOut(address token, address to, uint256 amount) internal {
        if (amount == 0) return;
        if (token == NATIVE) {
            (bool success, ) = to.call{ value: amount }("");
            require(success, "eth send failed");
        } else {
            IERC20(token).safeTransfer(to, amount);
        }
    }

    function _transferOut(address[] memory tokens, address to, uint256[] memory amounts) internal {
        uint256 numTokens = tokens.length;
        require(numTokens == amounts.length, "length mismatch");
        for (uint256 i = 0; i < numTokens; ) {
            _transferOut(tokens[i], to, amounts[i]);
            unchecked {
                i++;
            }
        }
    }

    function _selfBalance(address token) internal view returns (uint256) {
        return (token == NATIVE) ? address(this).balance : IERC20(token).balanceOf(address(this));
    }

    function _selfBalance(IERC20 token) internal view returns (uint256) {
        return token.balanceOf(address(this));
    }

    /// @notice Approves the stipulated contract to spend the given allowance in the given token
    /// @dev PLS PAY ATTENTION to tokens that requires the approval to be set to 0 before changing it
    function _safeApprove(address token, address to, uint256 value) internal {
        (bool success, bytes memory data) = token.call(
            abi.encodeWithSelector(IERC20.approve.selector, to, value)
        );
        require(success && (data.length == 0 || abi.decode(data, (bool))), "Safe Approve");
    }

    function _safeApproveInf(address token, address to) internal {
        if (token == NATIVE) return;
        if (IERC20(token).allowance(address(this), to) < LOWER_BOUND_APPROVAL) {
            _safeApprove(token, to, 0);
            _safeApprove(token, to, type(uint256).max);
        }
    }

    function _wrap_unwrap_ETH(address tokenIn, address tokenOut, uint256 netTokenIn) internal {
        if (tokenIn == NATIVE) IWETH(tokenOut).deposit{ value: netTokenIn }();
        else IWETH(tokenIn).withdraw(netTokenIn);
    }
}

File 9 of 18 : IWETH.sol
// SPDX-License-Identifier: GPL-3.0-or-later
/*
 * MIT License
 * ===========
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 */
pragma solidity 0.8.17;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

interface IWETH is IERC20 {
    event Deposit(address indexed dst, uint256 wad);
    event Withdrawal(address indexed src, uint256 wad);

    function deposit() external payable;

    function withdraw(uint256 wad) external;
}

File 10 of 18 : I1inchAggregationRouterV5.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.8.17;

import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";

interface I1inchAggregationRouterV5 {
    struct SwapDescription {
        IERC20 srcToken;
        IERC20 dstToken;
        address payable srcReceiver;
        address payable dstReceiver;
        uint256 amount;
        uint256 minReturnAmount;
        uint256 flags;
    }

    function uniswapV3SwapTo(
        address payable recipient,
        uint256 amount,
        uint256 minReturn,
        uint256[] calldata pools
    ) external payable returns (uint256 returnAmount);

    function swap(
        address executor,
        SwapDescription calldata desc,
        bytes calldata permit,
        bytes calldata data
    ) external payable returns (uint256 returnAmount, uint256 spentAmount);

    function unoswapTo(
        address payable recipient,
        address srcToken,
        uint256 amount,
        uint256 minReturn,
        uint256[] calldata pools
    ) external payable returns (uint256 returnAmount);
}

File 11 of 18 : OneInchAggregationRouterHelper.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.8.17;

import "./I1inchAggregationRouterV5.sol";
import "../../../core/libraries/Errors.sol";

abstract contract OneInchAggregationRouterHelper {
    function _rescaleMinAmount(
        uint256 minAmount,
        uint256 oldAmount,
        uint256 newAmount
    ) internal pure returns (uint256) {
        return (minAmount * newAmount) / oldAmount;
    }

    function _get1inchScaledInputData(
        bytes calldata rawCallData,
        uint256 newAmount
    ) internal pure returns (bytes memory) {
        bytes4 selector = bytes4(rawCallData[:4]);
        bytes memory args = rawCallData[4:];

        if (selector == I1inchAggregationRouterV5.uniswapV3SwapTo.selector) {
            (
                address payable recipient,
                uint256 amount,
                uint256 minReturn,
                uint256[] memory pools
            ) = abi.decode(args, (address, uint256, uint256, uint256[]));

            minReturn = _rescaleMinAmount(minReturn, amount, newAmount);
            amount = newAmount;
            return abi.encodeWithSelector(selector, recipient, amount, minReturn, pools);
        }

        if (selector == I1inchAggregationRouterV5.swap.selector) {
            (
                address executor,
                I1inchAggregationRouterV5.SwapDescription memory desc,
                bytes memory permit,
                bytes memory data
            ) = abi.decode(
                    args,
                    (address, I1inchAggregationRouterV5.SwapDescription, bytes, bytes)
                );

            desc.minReturnAmount = _rescaleMinAmount(desc.minReturnAmount, desc.amount, newAmount);
            desc.amount = newAmount;
            return abi.encodeWithSelector(selector, executor, desc, permit, data);
        }

        if (selector == I1inchAggregationRouterV5.unoswapTo.selector) {
            (
                address payable recipient,
                address srcToken,
                uint256 amount,
                uint256 minReturn,
                uint256[] memory pools
            ) = abi.decode(args, (address, address, uint256, uint256, uint256[]));

            minReturn = _rescaleMinAmount(minReturn, amount, newAmount);
            amount = newAmount;
            return abi.encodeWithSelector(selector, recipient, srcToken, amount, minReturn, pools);
        }
        revert Errors.UnsupportedSelector(1, selector);
    }
}

File 12 of 18 : IPSwapAggregator.sol
// SPDX-License-Identifier: GPL-3.0-or-later
pragma solidity 0.8.17;

struct SwapData {
    SwapType swapType;
    address extRouter;
    bytes extCalldata;
    bool needScale;
}

enum SwapType {
    NONE,
    KYBERSWAP,
    ONE_INCH,
    // ETH_WETH not used in Aggregator
    ETH_WETH
}

interface IPSwapAggregator {
    function swap(address tokenIn, uint256 amountIn, SwapData calldata swapData) external payable;
}

File 13 of 18 : IAggregationExecutor.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.12;

interface IAggregationExecutor {
    function callBytes(bytes calldata data) external payable; // 0xd9c45357

    // callbytes per swap sequence
    function swapSingleSequence(bytes calldata data) external;

    function finalTransactionProcessing(
        address tokenIn,
        address tokenOut,
        address to,
        bytes calldata destTokenFeeData
    ) external;
}

File 14 of 18 : IExecutorHelperEthereum1.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;

import "./IHashflow.sol";

interface IExecutorHelperEthereum1 {
    struct UniSwap {
        address pool;
        address tokenIn;
        address tokenOut;
        address recipient;
        uint256 collectAmount; // amount that should be transferred to the pool
        uint256 limitReturnAmount;
        uint32 swapFee;
        uint32 feePrecision;
        uint32 tokenWeightInput;
    }

    struct StableSwap {
        address pool;
        address tokenFrom;
        address tokenTo;
        uint8 tokenIndexFrom;
        uint8 tokenIndexTo;
        uint256 dx;
        uint256 minDy;
        uint256 poolLength;
        address poolLp;
        bool isSaddle; // true: saddle, false: stable
    }

    struct CurveSwap {
        address pool;
        address tokenFrom;
        address tokenTo;
        int128 tokenIndexFrom;
        int128 tokenIndexTo;
        uint256 dx;
        uint256 minDy;
        bool usePoolUnderlying;
        bool useTriCrypto;
    }

    struct UniSwapV3ProMM {
        address recipient;
        address pool;
        address tokenIn;
        address tokenOut;
        uint256 swapAmount;
        uint256 limitReturnAmount;
        uint160 sqrtPriceLimitX96;
        bool isUniV3; // true = UniV3, false = ProMM
    }

    struct BalancerV2 {
        address vault;
        bytes32 poolId;
        address assetIn;
        address assetOut;
        uint256 amount;
        uint256 limit;
    }

    struct KyberRFQ {
        address rfq;
        bytes order;
        bytes signature;
        uint256 amount;
        address payable target;
    }

    struct DODO {
        address recipient;
        address pool;
        address tokenFrom;
        address tokenTo;
        uint256 amount;
        uint256 minReceiveQuote;
        address sellHelper;
        bool isSellBase;
        bool isVersion2;
    }

    struct Synthetix {
        address synthetixProxy;
        address tokenIn;
        address tokenOut;
        bytes32 sourceCurrencyKey;
        uint256 sourceAmount;
        bytes32 destinationCurrencyKey;
        uint256 minAmount;
        bool useAtomicExchange;
    }

    struct PSM {
        address router;
        address tokenIn;
        address tokenOut;
        uint256 amountIn;
        address recipient;
    }

    struct Hashflow {
        address router;
        IHashflow.Quote quote;
    }

    struct WSTETH {
        address pool;
        uint256 amount;
        bool isWrapping;
    }

    function executeUniSwap(
        uint256 index,
        bytes memory data,
        uint256 previousAmountOut
    ) external payable returns (uint256);

    function executeStableSwap(
        uint256 index,
        bytes memory data,
        uint256 previousAmountOut
    ) external payable returns (uint256);

    function executeCurveSwap(
        uint256 index,
        bytes memory data,
        uint256 previousAmountOut
    ) external payable returns (uint256);

    function executeKyberDMMSwap(
        uint256 index,
        bytes memory data,
        uint256 previousAmountOut
    ) external payable returns (uint256);

    function executeUniV3ProMMSwap(
        uint256 index,
        bytes memory data,
        uint256 previousAmountOut
    ) external payable returns (uint256);

    function executeRfqSwap(
        uint256 index,
        bytes memory data,
        uint256 previousAmountOut
    ) external payable returns (uint256);

    function executeBalV2Swap(
        uint256 index,
        bytes memory data,
        uint256 previousAmountOut
    ) external payable returns (uint256);

    function executeDODOSwap(
        uint256 index,
        bytes memory data,
        uint256 previousAmountOut
    ) external payable returns (uint256);

    function executeWrappedstETHSwap(
        uint256 index,
        bytes memory data,
        uint256 previousAmountOut
    ) external payable returns (uint256);

    function executeSynthetixSwap(
        uint256 index,
        bytes memory data,
        uint256 previousAmountOut
    ) external payable returns (uint256);

    function executePSMSwap(
        uint256 index,
        bytes memory data,
        uint256 previousAmountOut
    ) external payable returns (uint256);

    function executeHashflowSwap(
        uint256 index,
        bytes memory data,
        uint256 previousAmountOut
    ) external payable returns (uint256);

    function executeFraxSwap(
        uint256 index,
        bytes memory data,
        uint256 previousAmountOut
    ) external payable returns (uint256);
}

File 15 of 18 : IHashflow.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.8.17;

interface IHashflow {
    enum RFQType {
        TAKER,
        MAKER
    }

    struct Quote {
        RFQType rfqType;
        address pool;
        address eoa;
        address trader;
        address effectiveTrader;
        address baseToken;
        address quoteToken;
        uint256 effectiveBaseTokenAmount;
        uint256 maxBaseTokenAmount;
        uint256 maxQuoteTokenAmount;
        uint256 fees;
        uint256 quoteExpiry;
        uint256 nonce;
        bytes32 txid;
        bytes signedQuote;
    }

    function tradeSingleHop(Quote memory quote) external payable;
}

File 16 of 18 : IMetaAggregationRouterV2.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "./IAggregationExecutor.sol";

interface IMetaAggregationRouterV2 {
    struct SwapDescriptionV2 {
        IERC20 srcToken;
        IERC20 dstToken;
        address[] srcReceivers; // transfer src token to these addresses, default
        uint256[] srcAmounts;
        address[] feeReceivers;
        uint256[] feeAmounts;
        address dstReceiver;
        uint256 amount;
        uint256 minReturnAmount;
        uint256 flags;
        bytes permit;
    }

    /// @dev  use for swapGeneric and swap to avoid stack too deep
    struct SwapExecutionParams {
        address callTarget; // call this address
        address approveTarget; // approve this address if _APPROVE_FUND set
        bytes targetData;
        SwapDescriptionV2 desc;
        bytes clientData;
    }

    function swap(
        SwapExecutionParams calldata execution
    ) external payable returns (uint256, uint256);

    function swapSimpleMode(
        IAggregationExecutor caller,
        SwapDescriptionV2 memory desc,
        bytes calldata executorData,
        bytes calldata clientData
    ) external returns (uint256, uint256);
}

File 17 of 18 : KyberHelperEthereum.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.8.17;
import "./IMetaAggregationRouterV2.sol";
import "./IHashflow.sol";
import "./IExecutorHelperEthereum1.sol";
import "./ScaleDataHelperEthereum.sol";

abstract contract KyberHelperEthereum {
    uint256 private constant _PARTIAL_FILL = 0x01;
    uint256 private constant _REQUIRES_EXTRA_ETH = 0x02;
    uint256 private constant _SHOULD_CLAIM = 0x04;
    uint256 private constant _BURN_FROM_MSG_SENDER = 0x08;
    uint256 private constant _BURN_FROM_TX_ORIGIN = 0x10;
    uint256 private constant _SIMPLE_SWAP = 0x20;

    struct Swap {
        bytes data;
        bytes4 selector;
    }

    struct SimpleSwapData {
        address[] firstPools;
        uint256[] firstSwapAmounts;
        bytes[] swapDatas;
        uint256 deadline;
        bytes destTokenFeeData;
    }

    struct SwapExecutorDescription {
        Swap[][] swapSequences;
        address tokenIn;
        address tokenOut;
        uint256 minTotalAmountOut;
        address to;
        uint256 deadline;
        bytes destTokenFeeData;
    }

    function _getKyberScaledInputData(
        bytes calldata kybercall,
        uint256 newAmount
    ) internal pure returns (bytes memory) {
        bytes4 selector = bytes4(kybercall[:4]);

        if (selector == IMetaAggregationRouterV2.swap.selector) {
            IMetaAggregationRouterV2.SwapExecutionParams memory params = abi.decode(
                kybercall[4:],
                (IMetaAggregationRouterV2.SwapExecutionParams)
            );

            (params.desc, params.targetData) = _getScaledInputDataV2(
                params.desc,
                params.targetData,
                newAmount,
                _flagsChecked(params.desc.flags, _SIMPLE_SWAP)
            );
            return abi.encodeWithSelector(selector, params);
        }

        if (selector == IMetaAggregationRouterV2.swapSimpleMode.selector) {
            (
                address callTarget,
                IMetaAggregationRouterV2.SwapDescriptionV2 memory desc,
                bytes memory targetData,
                bytes memory clientData
            ) = abi.decode(
                    kybercall[4:],
                    (address, IMetaAggregationRouterV2.SwapDescriptionV2, bytes, bytes)
                );

            (desc, targetData) = _getScaledInputDataV2(desc, targetData, newAmount, true);
            return abi.encodeWithSelector(selector, callTarget, desc, targetData, clientData);
        }

        revert("InputScalingHelper: Invalid selector");
    }

    function _getScaledInputDataV2(
        IMetaAggregationRouterV2.SwapDescriptionV2 memory desc,
        bytes memory executorData,
        uint256 newAmount,
        bool isSimpleMode
    ) internal pure returns (IMetaAggregationRouterV2.SwapDescriptionV2 memory, bytes memory) {
        uint256 oldAmount = desc.amount;
        if (oldAmount == newAmount) {
            return (desc, executorData);
        }

        // simple mode swap
        if (isSimpleMode) {
            return (
                _scaledSwapDescriptionV2(desc, oldAmount, newAmount),
                _scaledSimpleSwapData(executorData, oldAmount, newAmount)
            );
        }

        //normal mode swap
        return (
            _scaledSwapDescriptionV2(desc, oldAmount, newAmount),
            _scaledExecutorCallBytesData(executorData, oldAmount, newAmount)
        );
    }

    function _scaledSimpleSwapData(
        bytes memory data,
        uint256 oldAmount,
        uint256 newAmount
    ) internal pure returns (bytes memory) {
        SimpleSwapData memory swapData = abi.decode(data, (SimpleSwapData));
        uint256 numberSeq = swapData.firstPools.length;
        uint256 newTotalSwapAmount;
        for (uint256 i = 0; i < numberSeq; i++) {
            if (i == numberSeq - 1) {
                swapData.firstSwapAmounts[i] = newAmount - newTotalSwapAmount;
            } else {
                swapData.firstSwapAmounts[i] =
                    (swapData.firstSwapAmounts[i] * newAmount) /
                    oldAmount;
            }
            newTotalSwapAmount += swapData.firstSwapAmounts[i];
        }
        return abi.encode(swapData);
    }

    function _scaledExecutorCallBytesData(
        bytes memory data,
        uint256 oldAmount,
        uint256 newAmount
    ) internal pure returns (bytes memory) {
        SwapExecutorDescription memory executorDesc = abi.decode(data, (SwapExecutorDescription));
        executorDesc.minTotalAmountOut = (executorDesc.minTotalAmountOut * newAmount) / oldAmount;
        for (uint256 i = 0; i < executorDesc.swapSequences.length; i++) {
            Swap memory swap = executorDesc.swapSequences[i][0];
            bytes4 selector = swap.selector;

            if (selector == IExecutorHelperEthereum1.executeUniSwap.selector) {
                swap.data = ScaleDataHelperEthereum.newUniSwap(swap.data, oldAmount, newAmount);
            } else if (selector == IExecutorHelperEthereum1.executeStableSwap.selector) {
                swap.data = ScaleDataHelperEthereum.newStableSwap(swap.data, oldAmount, newAmount);
            } else if (selector == IExecutorHelperEthereum1.executeCurveSwap.selector) {
                swap.data = ScaleDataHelperEthereum.newCurveSwap(swap.data, oldAmount, newAmount);
            } else if (selector == IExecutorHelperEthereum1.executeKyberDMMSwap.selector) {
                swap.data = ScaleDataHelperEthereum.newKyberDMM(swap.data, oldAmount, newAmount);
            } else if (selector == IExecutorHelperEthereum1.executeUniV3ProMMSwap.selector) {
                swap.data = ScaleDataHelperEthereum.newUniV3ProMM(swap.data, oldAmount, newAmount);
            } else if (selector == IExecutorHelperEthereum1.executeRfqSwap.selector) {
                revert("InputScalingHelper: Can not scale RFQ swap");
            } else if (selector == IExecutorHelperEthereum1.executeBalV2Swap.selector) {
                swap.data = ScaleDataHelperEthereum.newBalancerV2(swap.data, oldAmount, newAmount);
            } else if (selector == IExecutorHelperEthereum1.executeDODOSwap.selector) {
                swap.data = ScaleDataHelperEthereum.newDODO(swap.data, oldAmount, newAmount);
            } else if (selector == IExecutorHelperEthereum1.executeWrappedstETHSwap.selector) {
                swap.data = ScaleDataHelperEthereum.newWrappedstETHSwap(
                    swap.data,
                    oldAmount,
                    newAmount
                );
            } else if (selector == IExecutorHelperEthereum1.executeSynthetixSwap.selector) {
                swap.data = ScaleDataHelperEthereum.newSynthetix(swap.data, oldAmount, newAmount);
            } else if (selector == IExecutorHelperEthereum1.executePSMSwap.selector) {
                swap.data = ScaleDataHelperEthereum.newPSM(swap.data, oldAmount, newAmount);
            } else if (selector == IExecutorHelperEthereum1.executeHashflowSwap.selector) {
                revert("InputScalingHelper: Can not scale RFQ swap");
            } else if (selector == IExecutorHelperEthereum1.executeFraxSwap.selector) {
                swap.data = ScaleDataHelperEthereum.newFrax(swap.data, oldAmount, newAmount);
            } else revert("AggregationExecutor: Dex type not supported");
        }
        return abi.encode(executorDesc);
    }

    function _scaledSwapDescriptionV2(
        IMetaAggregationRouterV2.SwapDescriptionV2 memory desc,
        uint256 oldAmount,
        uint256 newAmount
    ) internal pure returns (IMetaAggregationRouterV2.SwapDescriptionV2 memory) {
        uint256 oldMinReturnAmount = desc.minReturnAmount;
        desc.minReturnAmount = (desc.minReturnAmount * newAmount) / oldAmount;
        //newMinReturnAmount should no be 0 if oldMinReturnAmount > 0
        if (oldMinReturnAmount > 0 && desc.minReturnAmount == 0) desc.minReturnAmount = 1;
        desc.amount = newAmount;
        if (desc.srcReceivers.length == 0) {
            return desc;
        }

        uint256 newTotal;
        for (uint256 i = 0; i < desc.srcReceivers.length; i++) {
            if (i == desc.srcReceivers.length - 1) {
                desc.srcAmounts[i] = newAmount - newTotal;
            } else {
                desc.srcAmounts[i] = (desc.srcAmounts[i] * newAmount) / oldAmount;
            }
            newTotal += desc.srcAmounts[i];
        }
        return desc;
    }

    function _flagsChecked(uint256 number, uint256 flag) internal pure returns (bool) {
        return number & flag != 0;
    }
}

File 18 of 18 : ScaleDataHelperEthereum.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;

import "./IExecutorHelperEthereum1.sol";

library ScaleDataHelperEthereum {
    function newUniSwap(
        bytes memory data,
        uint256 oldAmount,
        uint256 newAmount
    ) internal pure returns (bytes memory) {
        IExecutorHelperEthereum1.UniSwap memory uniSwap = abi.decode(
            data,
            (IExecutorHelperEthereum1.UniSwap)
        );
        uniSwap.collectAmount = (uniSwap.collectAmount * newAmount) / oldAmount;
        return abi.encode(uniSwap);
    }

    function newStableSwap(
        bytes memory data,
        uint256 oldAmount,
        uint256 newAmount
    ) internal pure returns (bytes memory) {
        IExecutorHelperEthereum1.StableSwap memory stableSwap = abi.decode(
            data,
            (IExecutorHelperEthereum1.StableSwap)
        );
        stableSwap.dx = (stableSwap.dx * newAmount) / oldAmount;
        return abi.encode(stableSwap);
    }

    function newCurveSwap(
        bytes memory data,
        uint256 oldAmount,
        uint256 newAmount
    ) internal pure returns (bytes memory) {
        IExecutorHelperEthereum1.CurveSwap memory curveSwap = abi.decode(
            data,
            (IExecutorHelperEthereum1.CurveSwap)
        );
        curveSwap.dx = (curveSwap.dx * newAmount) / oldAmount;
        return abi.encode(curveSwap);
    }

    function newKyberDMM(
        bytes memory data,
        uint256 oldAmount,
        uint256 newAmount
    ) internal pure returns (bytes memory) {
        IExecutorHelperEthereum1.UniSwap memory kyberDMMSwap = abi.decode(
            data,
            (IExecutorHelperEthereum1.UniSwap)
        );
        kyberDMMSwap.collectAmount = (kyberDMMSwap.collectAmount * newAmount) / oldAmount;
        return abi.encode(kyberDMMSwap);
    }

    function newUniV3ProMM(
        bytes memory data,
        uint256 oldAmount,
        uint256 newAmount
    ) internal pure returns (bytes memory) {
        IExecutorHelperEthereum1.UniSwapV3ProMM memory uniSwapV3ProMM = abi.decode(
            data,
            (IExecutorHelperEthereum1.UniSwapV3ProMM)
        );
        uniSwapV3ProMM.swapAmount = (uniSwapV3ProMM.swapAmount * newAmount) / oldAmount;

        return abi.encode(uniSwapV3ProMM);
    }

    function newBalancerV2(
        bytes memory data,
        uint256 oldAmount,
        uint256 newAmount
    ) internal pure returns (bytes memory) {
        IExecutorHelperEthereum1.BalancerV2 memory balancerV2 = abi.decode(
            data,
            (IExecutorHelperEthereum1.BalancerV2)
        );
        balancerV2.amount = (balancerV2.amount * newAmount) / oldAmount;
        return abi.encode(balancerV2);
    }

    function newDODO(
        bytes memory data,
        uint256 oldAmount,
        uint256 newAmount
    ) internal pure returns (bytes memory) {
        IExecutorHelperEthereum1.DODO memory dodo = abi.decode(
            data,
            (IExecutorHelperEthereum1.DODO)
        );
        dodo.amount = (dodo.amount * newAmount) / oldAmount;
        return abi.encode(dodo);
    }

    function newSynthetix(
        bytes memory data,
        uint256 oldAmount,
        uint256 newAmount
    ) internal pure returns (bytes memory) {
        IExecutorHelperEthereum1.Synthetix memory synthetix = abi.decode(
            data,
            (IExecutorHelperEthereum1.Synthetix)
        );
        synthetix.sourceAmount = (synthetix.sourceAmount * newAmount) / oldAmount;
        return abi.encode(synthetix);
    }

    function newWrappedstETHSwap(
        bytes memory data,
        uint256 oldAmount,
        uint256 newAmount
    ) internal pure returns (bytes memory) {
        IExecutorHelperEthereum1.WSTETH memory wstEthData = abi.decode(
            data,
            (IExecutorHelperEthereum1.WSTETH)
        );
        wstEthData.amount = (wstEthData.amount * newAmount) / oldAmount;
        return abi.encode(wstEthData);
    }

    function newPSM(
        bytes memory data,
        uint256 oldAmount,
        uint256 newAmount
    ) internal pure returns (bytes memory) {
        IExecutorHelperEthereum1.PSM memory psm = abi.decode(data, (IExecutorHelperEthereum1.PSM));
        psm.amountIn = (psm.amountIn * newAmount) / oldAmount;
        return abi.encode(psm);
    }

    function newFrax(
        bytes memory data,
        uint256 oldAmount,
        uint256 newAmount
    ) internal pure returns (bytes memory) {
        IExecutorHelperEthereum1.UniSwap memory frax = abi.decode(
            data,
            (IExecutorHelperEthereum1.UniSwap)
        );
        frax.collectAmount = (frax.collectAmount * newAmount) / oldAmount;
        return abi.encode(frax);
    }
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 90000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"uint256","name":"aggregatorType","type":"uint256"},{"internalType":"bytes4","name":"selector","type":"bytes4"}],"name":"UnsupportedSelector","type":"error"},{"inputs":[{"internalType":"address","name":"tokenIn","type":"address"},{"internalType":"uint256","name":"amountIn","type":"uint256"},{"components":[{"internalType":"enum SwapType","name":"swapType","type":"uint8"},{"internalType":"address","name":"extRouter","type":"address"},{"internalType":"bytes","name":"extCalldata","type":"bytes"},{"internalType":"bool","name":"needScale","type":"bool"}],"internalType":"struct SwapData","name":"data","type":"tuple"}],"name":"swap","outputs":[],"stateMutability":"payable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.