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: MIT
pragma solidity 0.8.11;

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

import "./ITaxHandler.sol";
import "../utils/ExchangePoolProcessor.sol";

/**
 * @title Special tax handler contract
 * @dev This contract allows protocols to collect tax on transactions that count as either sells or liquidity additions
 * to exchange pools. Addresses can be exempted from tax collection, and addresses designated as exchange pools can be
 * added and removed by the owner of this contract. The owner of the contract should be set to a DAO-controlled timelock
 * or at the very least a multisig wallet. Additionally, this contract can exclude specific address from transferring
 * tokens to an address other than a specified address or the burn address.
 */
contract SpecialTaxHandler is ITaxHandler, ExchangePoolProcessor {
    using EnumerableSet for EnumerableSet.AddressSet;

    /// @dev The set of addresses exempt from tax.
    EnumerableSet.AddressSet private _exempted;

    /// @notice The address blacklisted wallets are allowed to transfer to.
    address public immutable receiver;

    /// @notice The token to account for.
    IERC20 public token;

    /// @notice Emitted when an address is added to or removed from the exempted addresses set.
    event TaxExemptionUpdated(address indexed wallet, bool exempted);

    /// @dev The registry of blacklisted addresses.
    mapping (address => bool) private _banned;

    constructor(address tokenAddress, address receiverAddress) {
        token = IERC20(tokenAddress);
        receiver = receiverAddress;
    }

    /**
     * @notice Get number of tokens to pay as tax. This method specifically only check for sell-type transfers to
     * designated exchange pool addresses.
     * @dev There is no easy way to differentiate between a user selling tokens and a user adding liquidity to the pool.
     * In both cases tokens are transferred to the pool. This is an unfortunate case where users have to accept being
     * taxed on liquidity additions. To get around this issue, a separate liquidity addition contract can be deployed.
     * This contract can be exempt from taxes if its functionality is verified to only add liquidity.
     * @param benefactor Address of the benefactor.
     * @param beneficiary Address of the beneficiary.
     * @param amount Number of tokens in the transfer.
     * @return Number of tokens to pay as tax.
     */
    function getTax(
        address benefactor,
        address beneficiary,
        uint256 amount
    ) external view override returns (uint256) {
        if (_banned[benefactor]) {
            // Only accept transfers to dead address or multisig.
            if (beneficiary != 0x000000000000000000000000000000000000dEaD && beneficiary != receiver) {
                revert();
            }
        }

        if (_exempted.contains(benefactor) || _exempted.contains(beneficiary)) {
            return 0;
        }

        // Transactions between regular users (this includes contracts) aren't taxed.
        if (!_exchangePools.contains(benefactor) && !_exchangePools.contains(beneficiary)) {
            return 0;
        }

        // Tax is 3% on buys.
        if (_exchangePools.contains(benefactor)) {
            return (amount * 300) / 10000;
        }

        // Technically not the actual price impact, as that would follow the x * y = k curve.
        uint256 priceImpactBasisPoint = token.balanceOf(primaryPool) / 10000;

        if (amount <= priceImpactBasisPoint * 300) {
            return (amount * 300) / 10000;
        } else if (amount <= priceImpactBasisPoint * 1000) {
            return (amount * 900) / 10000;
        } else if (amount <= priceImpactBasisPoint * 2000) {
            return (amount * 2700) / 10000;
        } else {
            return (amount * 8100) / 10000;
        }
    }

    /**
     * @notice Add address to set of tax-exempted addresses.
     * @param exemption Address to add to set of tax-exempted addresses.
     */
    function addExemption(address exemption) external onlyOwner {
        if (_exempted.add(exemption)) {
            emit TaxExemptionUpdated(exemption, true);
        }
    }

    /**
     * @notice Remove address from set of tax-exempted addresses.
     * @param exemption Address to remove from set of tax-exempted addresses.
     */
    function removeExemption(address exemption) external onlyOwner {
        if (_exempted.remove(exemption)) {
            emit TaxExemptionUpdated(exemption, false);
        }
    }

    /**
     * @notice Get blacklist status of a given wallet.
     * @param wallet Address to check blacklist status of.
     * @return True if address is blacklisted, else False.
     */
    function isBlacklisted(address wallet) external view returns (bool) {
        return _banned[wallet];
    }

    /**
     * @notice Add list of wallet addresses to the blacklist.
     * @param wallets List of wallet addresses to add to the blacklist.
     * @dev The list is allowed to contain duplicates.
     */
    function addToBlacklist(address[] memory wallets) external onlyOwner {
        for (uint256 i = 0; i < wallets.length; i++) {
            _banned[wallets[i]] = true;
        }
    }

    /**
     * @notice Remove list of wallet addresses from the blacklist.
     * @param wallets List of wallet addresses to add to the blacklist.
     * @dev The list is allowed to contain duplicates.
     */
    function removeFromBlacklist(address[] memory wallets) external onlyOwner {
        for (uint256 i = 0; i < wallets.length; i++) {
            _banned[wallets[i]] = false;
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @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 `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, 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 `sender` to `recipient` 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 sender,
        address recipient,
        uint256 amount
    ) external returns (bool);

    /**
     * @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);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Library for managing
 * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
 * types.
 *
 * Sets have the following properties:
 *
 * - Elements are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Elements are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```
 * contract Example {
 *     // Add the library methods
 *     using EnumerableSet for EnumerableSet.AddressSet;
 *
 *     // Declare a set state variable
 *     EnumerableSet.AddressSet private mySet;
 * }
 * ```
 *
 * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
 * and `uint256` (`UintSet`) are supported.
 */
library EnumerableSet {
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Set type with
    // bytes32 values.
    // The Set implementation uses private functions, and user-facing
    // implementations (such as AddressSet) are just wrappers around the
    // underlying Set.
    // This means that we can only create new EnumerableSets for types that fit
    // in bytes32.

    struct Set {
        // Storage of set values
        bytes32[] _values;
        // Position of the value in the `values` array, plus 1 because index 0
        // means a value is not in the set.
        mapping(bytes32 => uint256) _indexes;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function _add(Set storage set, bytes32 value) private returns (bool) {
        if (!_contains(set, value)) {
            set._values.push(value);
            // The value is stored at length-1, but we add 1 to all indexes
            // and use 0 as a sentinel value
            set._indexes[value] = set._values.length;
            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function _remove(Set storage set, bytes32 value) private returns (bool) {
        // We read and store the value's index to prevent multiple reads from the same storage slot
        uint256 valueIndex = set._indexes[value];

        if (valueIndex != 0) {
            // Equivalent to contains(set, value)
            // To delete an element from the _values array in O(1), we swap the element to delete with the last one in
            // the array, and then remove the last element (sometimes called as 'swap and pop').
            // This modifies the order of the array, as noted in {at}.

            uint256 toDeleteIndex = valueIndex - 1;
            uint256 lastIndex = set._values.length - 1;

            if (lastIndex != toDeleteIndex) {
                bytes32 lastvalue = set._values[lastIndex];

                // Move the last value to the index where the value to delete is
                set._values[toDeleteIndex] = lastvalue;
                // Update the index for the moved value
                set._indexes[lastvalue] = valueIndex; // Replace lastvalue's index to valueIndex
            }

            // Delete the slot where the moved value was stored
            set._values.pop();

            // Delete the index for the deleted slot
            delete set._indexes[value];

            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function _contains(Set storage set, bytes32 value) private view returns (bool) {
        return set._indexes[value] != 0;
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function _length(Set storage set) private view returns (uint256) {
        return set._values.length;
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function _at(Set storage set, uint256 index) private view returns (bytes32) {
        return set._values[index];
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function _values(Set storage set) private view returns (bytes32[] memory) {
        return set._values;
    }

    // Bytes32Set

    struct Bytes32Set {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _add(set._inner, value);
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _remove(set._inner, value);
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
        return _contains(set._inner, value);
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(Bytes32Set storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
        return _at(set._inner, index);
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(Bytes32Set storage set) internal view returns (bytes32[] memory) {
        return _values(set._inner);
    }

    // AddressSet

    struct AddressSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(AddressSet storage set, address value) internal returns (bool) {
        return _add(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(AddressSet storage set, address value) internal returns (bool) {
        return _remove(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(AddressSet storage set, address value) internal view returns (bool) {
        return _contains(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(AddressSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(AddressSet storage set, uint256 index) internal view returns (address) {
        return address(uint160(uint256(_at(set._inner, index))));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(AddressSet storage set) internal view returns (address[] memory) {
        bytes32[] memory store = _values(set._inner);
        address[] memory result;

        assembly {
            result := store
        }

        return result;
    }

    // UintSet

    struct UintSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(UintSet storage set, uint256 value) internal returns (bool) {
        return _add(set._inner, bytes32(value));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(UintSet storage set, uint256 value) internal returns (bool) {
        return _remove(set._inner, bytes32(value));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(UintSet storage set, uint256 value) internal view returns (bool) {
        return _contains(set._inner, bytes32(value));
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function length(UintSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(UintSet storage set, uint256 index) internal view returns (uint256) {
        return uint256(_at(set._inner, index));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(UintSet storage set) internal view returns (uint256[] memory) {
        bytes32[] memory store = _values(set._inner);
        uint256[] memory result;

        assembly {
            result := store
        }

        return result;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.11;

/**
 * @title Tax handler interface
 * @dev Any class that implements this interface can be used for protocol-specific tax calculations.
 */
interface ITaxHandler {
    /**
     * @notice Get number of tokens to pay as tax.
     * @param benefactor Address of the benefactor.
     * @param beneficiary Address of the beneficiary.
     * @param amount Number of tokens in the transfer.
     * @return Number of tokens to pay as tax.
     */
    function getTax(
        address benefactor,
        address beneficiary,
        uint256 amount
    ) external view returns (uint256);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.11;

import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";

/**
 * @title Exchange pool processor abstract contract.
 * @dev Keeps an enumerable set of designated exchange addresses as well as a single primary pool address.
 */
abstract contract ExchangePoolProcessor is Ownable {
    using EnumerableSet for EnumerableSet.AddressSet;

    /// @dev Set of exchange pool addresses.
    EnumerableSet.AddressSet internal _exchangePools;

    /// @notice Primary exchange pool address.
    address public primaryPool;

    /// @notice Emitted when an exchange pool address is added to the set of tracked pool addresses.
    event ExchangePoolAdded(address exchangePool);

    /// @notice Emitted when an exchange pool address is removed from the set of tracked pool addresses.
    event ExchangePoolRemoved(address exchangePool);

    /// @notice Emitted when the primary pool address is updated.
    event PrimaryPoolUpdated(address oldPrimaryPool, address newPrimaryPool);

    /**
     * @notice Get list of addresses designated as exchange pools.
     * @return An array of exchange pool addresses.
     */
    function getExchangePoolAddresses() external view returns (address[] memory) {
        return _exchangePools.values();
    }

    /**
     * @notice Add an address to the set of exchange pool addresses.
     * @dev Nothing happens if the pool already exists in the set.
     * @param exchangePool Address of exchange pool to add.
     */
    function addExchangePool(address exchangePool) external onlyOwner {
        if (_exchangePools.add(exchangePool)) {
            emit ExchangePoolAdded(exchangePool);
        }
    }

    /**
     * @notice Remove an address from the set of exchange pool addresses.
     * @dev Nothing happens if the pool doesn't exist in the set..
     * @param exchangePool Address of exchange pool to remove.
     */
    function removeExchangePool(address exchangePool) external onlyOwner {
        if (_exchangePools.remove(exchangePool)) {
            emit ExchangePoolRemoved(exchangePool);
        }
    }

    /**
     * @notice Set exchange pool address as primary pool.
     * @dev To prevent issues, only addresses inside the set of exchange pool addresses can be selected as primary pool.
     * @param exchangePool Address of exchange pool to set as primary pool.
     */
    function setPrimaryPool(address exchangePool) external onlyOwner {
        require(
            _exchangePools.contains(exchangePool),
            "ExchangePoolProcessor:setPrimaryPool:INVALID_POOL: Given address is not registered as exchange pool."
        );
        require(
            primaryPool != exchangePool,
            "ExchangePoolProcessor:setPrimaryPool:ALREADY_SET: This address is already the primary pool address."
        );

        address oldPrimaryPool = primaryPool;
        primaryPool = exchangePool;

        emit PrimaryPoolUpdated(oldPrimaryPool, exchangePool);
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _setOwner(_msgSender());
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _setOwner(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _setOwner(newOwner);
    }

    function _setOwner(address newOwner) private {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

{
  "metadata": {
    "bytecodeHash": "none"
  },
  "optimizer": {
    "enabled": true,
    "runs": 888
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"tokenAddress","type":"address"},{"internalType":"address","name":"receiverAddress","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"exchangePool","type":"address"}],"name":"ExchangePoolAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"exchangePool","type":"address"}],"name":"ExchangePoolRemoved","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"oldPrimaryPool","type":"address"},{"indexed":false,"internalType":"address","name":"newPrimaryPool","type":"address"}],"name":"PrimaryPoolUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"wallet","type":"address"},{"indexed":false,"internalType":"bool","name":"exempted","type":"bool"}],"name":"TaxExemptionUpdated","type":"event"},{"inputs":[{"internalType":"address","name":"exchangePool","type":"address"}],"name":"addExchangePool","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"exemption","type":"address"}],"name":"addExemption","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"wallets","type":"address[]"}],"name":"addToBlacklist","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"getExchangePoolAddresses","outputs":[{"internalType":"address[]","name":"","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"benefactor","type":"address"},{"internalType":"address","name":"beneficiary","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"getTax","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"wallet","type":"address"}],"name":"isBlacklisted","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"primaryPool","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"receiver","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"exchangePool","type":"address"}],"name":"removeExchangePool","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"exemption","type":"address"}],"name":"removeExemption","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"wallets","type":"address[]"}],"name":"removeFromBlacklist","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"exchangePool","type":"address"}],"name":"setPrimaryPool","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"token","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

000000000000000000000000cf0c122c6b73ff809c693db761e7baebe62b6a2e0000000000000000000000002b9d5c7f2ead1a221d771fb6bb5e35df04d60ab0

-----Decoded View---------------
Arg [0] : tokenAddress (address): 0xcf0C122c6b73ff809C693DB761e7BaeBe62b6a2E
Arg [1] : receiverAddress (address): 0x2b9d5c7f2EAD1A221d771Fb6bb5E35Df04D60AB0

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000cf0c122c6b73ff809c693db761e7baebe62b6a2e
Arg [1] : 0000000000000000000000002b9d5c7f2ead1a221d771fb6bb5e35df04d60ab0