Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: UNLICENSED

pragma solidity 0.8.24;

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

contract RedSnwapper {
  using SafeERC20 for IERC20;
  using Utils for IERC20;

  SafeExecutor public immutable safeExecutor;

  constructor() {
    safeExecutor = new SafeExecutor();
  }

  // @notice Swaps tokens
  // @notice 1. Transfers amountIn of tokens tokenIn to executor
  // @notice 2. launches executor with executorData and value = msg.value
  // @notice 3. Checks that recipient's tokenOut balance was increased at least amountOutMin
  function snwap(
    IERC20 tokenIn,
    uint amountIn, // if amountIn == 0 then amountIn = tokenIn.balance(this) - 1
    address recipient,
    IERC20 tokenOut,
    uint amountOutMin,
    address executor,
    bytes calldata executorData
  ) external payable returns (uint amountOut) {
    uint initialOutputBalance = tokenOut.universalBalanceOf(recipient);

    if (address(tokenIn) != NATIVE_ADDRESS) {
      if (amountIn > 0) tokenIn.safeTransferFrom(msg.sender, executor, amountIn);
      else tokenIn.safeTransfer(executor, tokenIn.balanceOf(address(this)) - 1); // -1 is slot undrain protection
    }

    safeExecutor.execute{value: msg.value}(executor, executorData);

    amountOut = tokenOut.universalBalanceOf(recipient) - initialOutputBalance;
    if (amountOut < amountOutMin)
      revert MinimalOutputBalanceViolation(address(tokenOut), amountOut);
  }

  // @notice Swaps multiple tokens
  // @notice 1. Transfers inputTokens to inputTokens[i].transferTo
  // @notice 2. launches executors
  // @notice 3. Checks that recipient's tokenOut balance was increased at least amountOutMin
  function snwapMultiple(
    InputToken[] calldata inputTokens,
    OutputToken[] calldata outputTokens,
    Executor[] calldata executors
  ) external payable returns (uint[] memory amountOut) {
    uint[] memory initialOutputBalance = new uint[](outputTokens.length);
    for (uint i = 0; i < outputTokens.length; i++) {
      initialOutputBalance[i] = outputTokens[i].token.universalBalanceOf(outputTokens[i].recipient);
    }

    for (uint i = 0; i < inputTokens.length; i++) {
      IERC20 tokenIn = inputTokens[i].token;
      if (address(tokenIn) != NATIVE_ADDRESS) {
        if (inputTokens[i].amountIn > 0) 
          tokenIn.safeTransferFrom(msg.sender, inputTokens[i].transferTo, inputTokens[i].amountIn);
        else tokenIn.safeTransfer(inputTokens[i].transferTo, tokenIn.balanceOf(address(this)) - 1); // -1 is slot undrain protection
      }
    }

    safeExecutor.executeMultiple{value: msg.value}(executors);

    amountOut = new uint[](outputTokens.length);
    for (uint i = 0; i < outputTokens.length; i++) {
      amountOut[i] = outputTokens[i].token.universalBalanceOf(outputTokens[i].recipient) - initialOutputBalance[i];
      if (amountOut[i] < outputTokens[i].amountOutMin)
        revert MinimalOutputBalanceViolation(address(outputTokens[i].token), amountOut[i]);
    }
  }
}


// This contract doesn't have token approves, so can safely call other contracts
contract SafeExecutor {  
  using Utils for address;

  function execute(address executor, bytes calldata executorData) external payable {
    executor.callRevertBubbleUp(msg.value, executorData);
  }

  function executeMultiple(Executor[] calldata executors) external payable {
    for (uint i = 0; i < executors.length; i++) {
      executors[i].executor.callRevertBubbleUp(executors[i].value, executors[i].data);
    }
  }
}

error MinimalOutputBalanceViolation(address tokenOut, uint256 amountOut);

address constant NATIVE_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;

struct InputToken {
  IERC20 token;
  uint amountIn;
  address transferTo;
}

struct OutputToken {
  IERC20 token;
  address recipient;
  uint amountOutMin;
}

struct Executor {
  address executor;
  uint value;
  bytes data;
}

library Utils {
  using SafeERC20 for IERC20;
  
  function universalBalanceOf(IERC20 token, address user) internal view returns (uint256) {
    if (address(token) == NATIVE_ADDRESS) return address(user).balance;
    else return token.balanceOf(user);
  }

  function callRevertBubbleUp(address contr, uint256 value, bytes memory data) internal {
    (bool success, bytes memory returnBytes) = contr.call{value: value}(data);
    if (!success) {
      assembly {
        revert(add(32, returnBytes), mload(returnBytes))
      }
    }
  }
}

// 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 v4.6.0) (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 (last updated v4.8.0) (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 v4.8.0) (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 functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

{
  "evmVersion": "cancun",
  "optimizer": {
    "enabled": true,
    "runs": 10000000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"tokenOut","type":"address"},{"internalType":"uint256","name":"amountOut","type":"uint256"}],"name":"MinimalOutputBalanceViolation","type":"error"},{"inputs":[],"name":"safeExecutor","outputs":[{"internalType":"contract SafeExecutor","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"tokenIn","type":"address"},{"internalType":"uint256","name":"amountIn","type":"uint256"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"contract IERC20","name":"tokenOut","type":"address"},{"internalType":"uint256","name":"amountOutMin","type":"uint256"},{"internalType":"address","name":"executor","type":"address"},{"internalType":"bytes","name":"executorData","type":"bytes"}],"name":"snwap","outputs":[{"internalType":"uint256","name":"amountOut","type":"uint256"}],"stateMutability":"payable","type":"function"},{"inputs":[{"components":[{"internalType":"contract IERC20","name":"token","type":"address"},{"internalType":"uint256","name":"amountIn","type":"uint256"},{"internalType":"address","name":"transferTo","type":"address"}],"internalType":"struct InputToken[]","name":"inputTokens","type":"tuple[]"},{"components":[{"internalType":"contract IERC20","name":"token","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amountOutMin","type":"uint256"}],"internalType":"struct OutputToken[]","name":"outputTokens","type":"tuple[]"},{"components":[{"internalType":"address","name":"executor","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"internalType":"struct Executor[]","name":"executors","type":"tuple[]"}],"name":"snwapMultiple","outputs":[{"internalType":"uint256[]","name":"amountOut","type":"uint256[]"}],"stateMutability":"payable","type":"function"}]

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