Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta

More Options

• Similar
• Submit Audit
• Compare

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.23;

import {IERC20} from '@openzeppelin/contracts/token/ERC20/IERC20.sol';
import {SafeERC20} from '@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol';

import {Signature} from '../lib/Signature.sol';

import {IBalanceManager} from '../../interfaces/IBalanceManager.sol';
import {IAllowanceTransfer} from '../../interfaces/external/permit/IAllowanceTransfer.sol';

/**
 * @title BalanceManager
 * @notice Manages token balances and allows transfers by an authorized operator
 */
contract BalanceManager is IBalanceManager {
  using SafeERC20 for IERC20;

  address private immutable _OPERATOR;

  IAllowanceTransfer public immutable PERMIT2;

  error NotOperator();
  error InvalidTransferType();

  modifier onlyOperator(
    address account
  ) {
    if (account != _OPERATOR) revert NotOperator();
    _;
  }

  constructor(address operator_, address permit2_) {
    // Operator can be defined at creation time with `msg.sender`
    // Pass in the settlement - and that can be the only caller.
    _OPERATOR = operator_;
    PERMIT2 = IAllowanceTransfer(permit2_);
  }

  /// @inheritdoc IBalanceManager
  function transferTokens(
    TransferData calldata data
  ) external onlyOperator(msg.sender) {
    if (data.amount == 0) return;
    if (data.tokenTransferTypes == Signature.TransferCommand.SIMPLE_TRANSFER) {
      IERC20(data.token).safeTransferFrom(data.from, data.receiver, data.amount);
    } else if (data.tokenTransferTypes == Signature.TransferCommand.PERMIT2_TRANSFER) {
      PERMIT2.transferFrom(data.from, data.receiver, uint160(data.amount), data.token);
    } else {
      revert InvalidTransferType();
    }
  }

  function tokenPermits(
    address _from,
    address _token,
    uint256 _amount,
    Signature.TakerPermitInfo calldata takerPermitInfo
  ) external onlyOperator(msg.sender) {
    PERMIT2.permit({
      owner: _from,
      permitSingle: IAllowanceTransfer.PermitSingle({
        details: IAllowanceTransfer.PermitDetails({
          token: _token,
          amount: uint160(_amount),
          expiration: takerPermitInfo.deadline,
          nonce: takerPermitInfo.nonce
        }),
        spender: address(this),
        sigDeadline: takerPermitInfo.deadline
      }),
      signature: takerPermitInfo.signature
    });
  }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC-20 standard as defined in the ERC.
 */
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 value of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the value of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves a `value` amount of 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 value) 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 a `value` amount of tokens 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 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the
     * allowance mechanism. `value` 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 value) external returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.2.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../IERC20.sol";
import {IERC1363} from "../../../interfaces/IERC1363.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC-20 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 {
    /**
     * @dev An operation with an ERC-20 token failed.
     */
    error SafeERC20FailedOperation(address token);

    /**
     * @dev Indicates a failed `decreaseAllowance` request.
     */
    error SafeERC20FailedDecreaseAllowance(address spender, uint256 currentAllowance, uint256 requestedDecrease);

    /**
     * @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeTransfer(IERC20 token, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeCall(token.transfer, (to, value)));
    }

    /**
     * @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the
     * calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.
     */
    function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeCall(token.transferFrom, (from, to, value)));
    }

    /**
     * @dev Variant of {safeTransfer} that returns a bool instead of reverting if the operation is not successful.
     */
    function trySafeTransfer(IERC20 token, address to, uint256 value) internal returns (bool) {
        return _callOptionalReturnBool(token, abi.encodeCall(token.transfer, (to, value)));
    }

    /**
     * @dev Variant of {safeTransferFrom} that returns a bool instead of reverting if the operation is not successful.
     */
    function trySafeTransferFrom(IERC20 token, address from, address to, uint256 value) internal returns (bool) {
        return _callOptionalReturnBool(token, abi.encodeCall(token.transferFrom, (from, to, value)));
    }

    /**
     * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     *
     * IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the "client"
     * smart contract uses ERC-7674 to set temporary allowances, then the "client" smart contract should avoid using
     * this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract
     * that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.
     */
    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 oldAllowance = token.allowance(address(this), spender);
        forceApprove(token, spender, oldAllowance + value);
    }

    /**
     * @dev Decrease the calling contract's allowance toward `spender` by `requestedDecrease`. If `token` returns no
     * value, non-reverting calls are assumed to be successful.
     *
     * IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the "client"
     * smart contract uses ERC-7674 to set temporary allowances, then the "client" smart contract should avoid using
     * this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract
     * that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.
     */
    function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal {
        unchecked {
            uint256 currentAllowance = token.allowance(address(this), spender);
            if (currentAllowance < requestedDecrease) {
                revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease);
            }
            forceApprove(token, spender, currentAllowance - requestedDecrease);
        }
    }

    /**
     * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval
     * to be set to zero before setting it to a non-zero value, such as USDT.
     *
     * NOTE: If the token implements ERC-7674, this function will not modify any temporary allowance. This function
     * only sets the "standard" allowance. Any temporary allowance will remain active, in addition to the value being
     * set here.
     */
    function forceApprove(IERC20 token, address spender, uint256 value) internal {
        bytes memory approvalCall = abi.encodeCall(token.approve, (spender, value));

        if (!_callOptionalReturnBool(token, approvalCall)) {
            _callOptionalReturn(token, abi.encodeCall(token.approve, (spender, 0)));
            _callOptionalReturn(token, approvalCall);
        }
    }

    /**
     * @dev Performs an {ERC1363} transferAndCall, with a fallback to the simple {ERC20} transfer if the target has no
     * code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
     * targeting contracts.
     *
     * Reverts if the returned value is other than `true`.
     */
    function transferAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {
        if (to.code.length == 0) {
            safeTransfer(token, to, value);
        } else if (!token.transferAndCall(to, value, data)) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

    /**
     * @dev Performs an {ERC1363} transferFromAndCall, with a fallback to the simple {ERC20} transferFrom if the target
     * has no code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
     * targeting contracts.
     *
     * Reverts if the returned value is other than `true`.
     */
    function transferFromAndCallRelaxed(
        IERC1363 token,
        address from,
        address to,
        uint256 value,
        bytes memory data
    ) internal {
        if (to.code.length == 0) {
            safeTransferFrom(token, from, to, value);
        } else if (!token.transferFromAndCall(from, to, value, data)) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

    /**
     * @dev Performs an {ERC1363} approveAndCall, with a fallback to the simple {ERC20} approve if the target has no
     * code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
     * targeting contracts.
     *
     * NOTE: When the recipient address (`to`) has no code (i.e. is an EOA), this function behaves as {forceApprove}.
     * Opposedly, when the recipient address (`to`) has code, this function only attempts to call {ERC1363-approveAndCall}
     * once without retrying, and relies on the returned value to be true.
     *
     * Reverts if the returned value is other than `true`.
     */
    function approveAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {
        if (to.code.length == 0) {
            forceApprove(token, to, value);
        } else if (!token.approveAndCall(to, value, data)) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

    /**
     * @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).
     *
     * This is a variant of {_callOptionalReturnBool} that reverts if call fails to meet the requirements.
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        uint256 returnSize;
        uint256 returnValue;
        assembly ("memory-safe") {
            let success := call(gas(), token, 0, add(data, 0x20), mload(data), 0, 0x20)
            // bubble errors
            if iszero(success) {
                let ptr := mload(0x40)
                returndatacopy(ptr, 0, returndatasize())
                revert(ptr, returndatasize())
            }
            returnSize := returndatasize()
            returnValue := mload(0)
        }

        if (returnSize == 0 ? address(token).code.length == 0 : returnValue != 1) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

    /**
     * @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).
     *
     * This is a variant of {_callOptionalReturn} that silently catches all reverts and returns a bool instead.
     */
    function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
        bool success;
        uint256 returnSize;
        uint256 returnValue;
        assembly ("memory-safe") {
            success := call(gas(), token, 0, add(data, 0x20), mload(data), 0, 0x20)
            returnSize := returndatasize()
            returnValue := mload(0)
        }
        return success && (returnSize == 0 ? address(token).code.length > 0 : returnValue == 1);
    }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.23;

/**
 * @title Signature Library
 * @dev Library for handling and validating Ethereum signatures
 */
library Signature {
  enum Type {
    NONE, // 0
    ETHSIGN, //1
    EIP1271, // 2
    EIP712 // 3

  }

  enum TransferCommand {
    NONE,
    SIMPLE_TRANSFER,
    PERMIT2_TRANSFER
  }

  struct TakerPermitInfo {
    bytes signature;
    uint48 nonce;
    uint48 deadline;
  }

  /**
   * @dev Struct representing a typed signature
   * @param signatureType Type of the signature
   * @param signatureBytes Bytes of the signature
   */
  struct TypedSignature {
    Type signatureType;
    TransferCommand transferCommand;
    bytes signatureBytes;
  }

  error InvalidSignatureValueV();
  error InvalidSignatureValueS();
  error InvalidSignatureLength();

  /**
   * @dev Extracts r, s, and v values from a signature
   * @param sig Signature bytes
   * @return r r value of the signature
   * @return s s value of the signature
   * @return v v value of the signature
   */
  function getRsv(
    bytes memory sig
  ) internal pure returns (bytes32 r, bytes32 s, uint8 v) {
    if (sig.length != 65) revert InvalidSignatureLength();
    assembly {
      r := mload(add(sig, 32))
      s := mload(add(sig, 64))
      v := and(mload(add(sig, 65)), 255)
    }
    if (v < 27) v += 27;
    if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
      revert InvalidSignatureValueS();
    }
    if (v != 27 && v != 28) revert InvalidSignatureValueV();
    return (r, s, v);
  }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.23;

import {Signature} from '../contracts/lib/Signature.sol';

/**
 * @title IBalanceManager
 * @notice Interface for managing token balances and transfers between addresses
 */
interface IBalanceManager {
  struct TransferData {
    address from;
    address receiver;
    address token;
    uint256 amount;
    Signature.TransferCommand tokenTransferTypes;
  }

  /**
   * @notice Transfers tokens from one address to another
   * @dev Only callable by the operator
   * @param data Struct containing token, from, receiver, and amount information
   */
  function transferTokens(
    TransferData calldata data
  ) external;

  /**
   * @notice Allows a token transfer with a permit
   * @dev Only callable by the operator
   * @param _from Address of the owner
   * @param _token Address of the token
   * @param _amount Amount of the token to transfer
   * @param takerPermitInfo Struct containing the permit information
   */
  function tokenPermits(
    address _from,
    address _token,
    uint256 _amount,
    Signature.TakerPermitInfo calldata takerPermitInfo
  ) external;
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.23;

import {IEIP712} from './IEIP712.sol';

/// @title AllowanceTransfer
/// @notice Handles ERC20 token permissions through signature based allowance setting and ERC20 token transfers by checking allowed amounts
/// @dev Requires user's token approval on the Permit2 contract
interface IAllowanceTransfer is IEIP712 {
  /// @notice Thrown when an allowance on a token has expired.
  /// @param deadline The timestamp at which the allowed amount is no longer valid
  error AllowanceExpired(uint256 deadline);

  /// @notice Thrown when an allowance on a token has been depleted.
  /// @param amount The maximum amount allowed
  error InsufficientAllowance(uint256 amount);

  /// @notice Thrown when too many nonces are invalidated.
  error ExcessiveInvalidation();

  /// @notice Emits an event when the owner successfully invalidates an ordered nonce.
  event NonceInvalidation(
    address indexed owner, address indexed token, address indexed spender, uint48 newNonce, uint48 oldNonce
  );

  /// @notice Emits an event when the owner successfully sets permissions on a token for the spender.
  event Approval(
    address indexed owner, address indexed token, address indexed spender, uint160 amount, uint48 expiration
  );

  /// @notice Emits an event when the owner successfully sets permissions using a permit signature on a token for the spender.
  event Permit(
    address indexed owner,
    address indexed token,
    address indexed spender,
    uint160 amount,
    uint48 expiration,
    uint48 nonce
  );

  /// @notice Emits an event when the owner sets the allowance back to 0 with the lockdown function.
  event Lockdown(address indexed owner, address token, address spender);

  /// @notice The permit data for a token
  struct PermitDetails {
    // ERC20 token address
    address token;
    // the maximum amount allowed to spend
    uint160 amount;
    // timestamp at which a spender's token allowances become invalid
    uint48 expiration;
    // an incrementing value indexed per owner,token,and spender for each signature
    uint48 nonce;
  }

  /// @notice The permit message signed for a single token allowance
  struct PermitSingle {
    // the permit data for a single token alownce
    PermitDetails details;
    // address permissioned on the allowed tokens
    address spender;
    // deadline on the permit signature
    uint256 sigDeadline;
  }

  /// @notice The permit message signed for multiple token allowances
  struct PermitBatch {
    // the permit data for multiple token allowances
    PermitDetails[] details;
    // address permissioned on the allowed tokens
    address spender;
    // deadline on the permit signature
    uint256 sigDeadline;
  }

  /// @notice The saved permissions
  /// @dev This info is saved per owner, per token, per spender and all signed over in the permit message
  /// @dev Setting amount to type(uint160).max sets an unlimited approval
  struct PackedAllowance {
    // amount allowed
    uint160 amount;
    // permission expiry
    uint48 expiration;
    // an incrementing value indexed per owner,token,and spender for each signature
    uint48 nonce;
  }

  /// @notice A token spender pair.
  struct TokenSpenderPair {
    // the token the spender is approved
    address token;
    // the spender address
    address spender;
  }

  /// @notice Details for a token transfer.
  struct AllowanceTransferDetails {
    // the owner of the token
    address from;
    // the recipient of the token
    address to;
    // the amount of the token
    uint160 amount;
    // the token to be transferred
    address token;
  }

  /// @notice A mapping from owner address to token address to spender address to PackedAllowance struct, which contains details and conditions of the approval.
  /// @notice The mapping is indexed in the above order see: allowance[ownerAddress][tokenAddress][spenderAddress]
  /// @dev The packed slot holds the allowed amount, expiration at which the allowed amount is no longer valid, and current nonce thats updated on any signature based approvals.
  function allowance(
    address user,
    address token,
    address spender
  ) external view returns (uint160 amount, uint48 expiration, uint48 nonce);

  /// @notice Approves the spender to use up to amount of the specified token up until the expiration
  /// @param token The token to approve
  /// @param spender The spender address to approve
  /// @param amount The approved amount of the token
  /// @param expiration The timestamp at which the approval is no longer valid
  /// @dev The packed allowance also holds a nonce, which will stay unchanged in approve
  /// @dev Setting amount to type(uint160).max sets an unlimited approval
  function approve(address token, address spender, uint160 amount, uint48 expiration) external;

  /// @notice Permit a spender to a given amount of the owners token via the owner's EIP-712 signature
  /// @dev May fail if the owner's nonce was invalidated in-flight by invalidateNonce
  /// @param owner The owner of the tokens being approved
  /// @param permitSingle Data signed over by the owner specifying the terms of approval
  /// @param signature The owner's signature over the permit data
  function permit(address owner, PermitSingle memory permitSingle, bytes calldata signature) external;

  /// @notice Transfer approved tokens from one address to another
  /// @param from The address to transfer from
  /// @param to The address of the recipient
  /// @param amount The amount of the token to transfer
  /// @param token The token address to transfer
  /// @dev Requires the from address to have approved at least the desired amount
  /// of tokens to msg.sender.
  function transferFrom(address from, address to, uint160 amount, address token) external;

  /// @notice Transfer approved tokens in a batch
  /// @param transferDetails Array of owners, recipients, amounts, and tokens for the transfers
  /// @dev Requires the from addresses to have approved at least the desired amount
  /// of tokens to msg.sender.
  function transferFrom(
    AllowanceTransferDetails[] calldata transferDetails
  ) external;

  /// @notice Enables performing a "lockdown" of the sender's Permit2 identity
  /// by batch revoking approvals
  /// @param approvals Array of approvals to revoke.
  function lockdown(
    TokenSpenderPair[] calldata approvals
  ) external;

  /// @notice Invalidate nonces for a given (token, spender) pair
  /// @param token The token to invalidate nonces for
  /// @param spender The spender to invalidate nonces for
  /// @param newNonce The new nonce to set. Invalidates all nonces less than it.
  /// @dev Can't invalidate more than 2**16 nonces per transaction.
  function invalidateNonces(address token, address spender, uint48 newNonce) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC1363.sol)

pragma solidity ^0.8.20;

import {IERC20} from "./IERC20.sol";
import {IERC165} from "./IERC165.sol";

/**
 * @title IERC1363
 * @dev Interface of the ERC-1363 standard as defined in the https://eips.ethereum.org/EIPS/eip-1363[ERC-1363].
 *
 * Defines an extension interface for ERC-20 tokens that supports executing code on a recipient contract
 * after `transfer` or `transferFrom`, or code on a spender contract after `approve`, in a single transaction.
 */
interface IERC1363 is IERC20, IERC165 {
    /*
     * Note: the ERC-165 identifier for this interface is 0xb0202a11.
     * 0xb0202a11 ===
     *   bytes4(keccak256('transferAndCall(address,uint256)')) ^
     *   bytes4(keccak256('transferAndCall(address,uint256,bytes)')) ^
     *   bytes4(keccak256('transferFromAndCall(address,address,uint256)')) ^
     *   bytes4(keccak256('transferFromAndCall(address,address,uint256,bytes)')) ^
     *   bytes4(keccak256('approveAndCall(address,uint256)')) ^
     *   bytes4(keccak256('approveAndCall(address,uint256,bytes)'))
     */

    /**
     * @dev Moves a `value` amount of tokens from the caller's account to `to`
     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.
     * @param to The address which you want to transfer to.
     * @param value The amount of tokens to be transferred.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function transferAndCall(address to, uint256 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from the caller's account to `to`
     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.
     * @param to The address which you want to transfer to.
     * @param value The amount of tokens to be transferred.
     * @param data Additional data with no specified format, sent in call to `to`.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function transferAndCall(address to, uint256 value, bytes calldata data) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism
     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.
     * @param from The address which you want to send tokens from.
     * @param to The address which you want to transfer to.
     * @param value The amount of tokens to be transferred.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function transferFromAndCall(address from, address to, uint256 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism
     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.
     * @param from The address which you want to send tokens from.
     * @param to The address which you want to transfer to.
     * @param value The amount of tokens to be transferred.
     * @param data Additional data with no specified format, sent in call to `to`.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function transferFromAndCall(address from, address to, uint256 value, bytes calldata data) external returns (bool);

    /**
     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the
     * caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.
     * @param spender The address which will spend the funds.
     * @param value The amount of tokens to be spent.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function approveAndCall(address spender, uint256 value) external returns (bool);

    /**
     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the
     * caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.
     * @param spender The address which will spend the funds.
     * @param value The amount of tokens to be spent.
     * @param data Additional data with no specified format, sent in call to `spender`.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function approveAndCall(address spender, uint256 value, bytes calldata data) external returns (bool);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.23;

interface IEIP712 {
  function DOMAIN_SEPARATOR() external view returns (bytes32);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC20.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../token/ERC20/IERC20.sol";

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC165.sol)

pragma solidity ^0.8.20;

import {IERC165} from "../utils/introspection/IERC165.sol";

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/introspection/IERC165.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC-165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[ERC].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[ERC section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

{
  "remappings": [
    "ds-test/=node_modules/ds-test/src/",
    "forge-std/=lib/forge-std/src/",
    "@chainlink/=lib/chainlink/contracts/",
    "@openzeppelin/contracts/=lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/",
    "@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "contracts/=src/contracts/",
    "interfaces/=src/interfaces/",
    "chainlink/=lib/chainlink/",
    "erc4626-tests/=lib/openzeppelin-contracts-upgradeable/lib/erc4626-tests/",
    "halmos-cheatcodes/=lib/openzeppelin-contracts-upgradeable/lib/halmos-cheatcodes/src/",
    "openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "openzeppelin-upgrades/=lib/openzeppelin-upgrades/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 10000
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "shanghai",
  "viaIR": false
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"operator_","type":"address"},{"internalType":"address","name":"permit2_","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"InvalidTransferType","type":"error"},{"inputs":[],"name":"NotOperator","type":"error"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"SafeERC20FailedOperation","type":"error"},{"inputs":[],"name":"PERMIT2","outputs":[{"internalType":"contract IAllowanceTransfer","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"address","name":"_token","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"components":[{"internalType":"bytes","name":"signature","type":"bytes"},{"internalType":"uint48","name":"nonce","type":"uint48"},{"internalType":"uint48","name":"deadline","type":"uint48"}],"internalType":"struct Signature.TakerPermitInfo","name":"takerPermitInfo","type":"tuple"}],"name":"tokenPermits","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"enum Signature.TransferCommand","name":"tokenTransferTypes","type":"uint8"}],"internalType":"struct IBalanceManager.TransferData","name":"data","type":"tuple"}],"name":"transferTokens","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

0000000000000000000000000448633eb8b0a42efed924c42069e0dcf08fb552000000000000000000000000000000000022d473030f116ddee9f6b43ac78ba3

-----Decoded View---------------
Arg [0] : operator_ (address): 0x0448633eb8B0A42EfED924C42069E0DcF08fb552
Arg [1] : permit2_ (address): 0x000000000022D473030F116dDEE9F6B43aC78BA3

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 0000000000000000000000000448633eb8b0a42efed924c42069e0dcf08fb552
Arg [1] : 000000000000000000000000000000000022d473030f116ddee9f6b43ac78ba3