Contract 0x862Fc9F243365d98Ed9FF68f720041074299B0dC

 
 
Txn Hash
Method
Block
From
To
Value [Txn Fee]
0xd0ba48f6dea55556d329b1cd5fcf53b4c7293f4afa2352d60e165cce29ac3ad8Toggle Stability...296173392022-06-16 0:07:33354 days 19 hrs ago0x67c569f960c1cc0b9a7979a851f5a67018c5a3b0 IN  0x862fc9f243365d98ed9ff68f720041074299b0dc0 MATIC0.0048178100
0xd5fdfdd2882dcae7a9578527591294ac6ab0b8d9d4758401b84b8e7651325e97Toggle Borrower ...296173362022-06-16 0:07:21354 days 19 hrs ago0x67c569f960c1cc0b9a7979a851f5a67018c5a3b0 IN  0x862fc9f243365d98ed9ff68f720041074299b0dc0 MATIC0.0048266100
0xc2110d28730d4659359b5b05d6de862939fb8aa27fb4b746ae38b0eeb3feda4cToggle Trove Man...296173322022-06-16 0:07:05354 days 19 hrs ago0x67c569f960c1cc0b9a7979a851f5a67018c5a3b0 IN  0x862fc9f243365d98ed9ff68f720041074299b0dc0 MATIC0.004821100
0xa0bf8b88dd4848eefc64bf246c2d4f325d9b8d783128717151e7a6176d9011080x61010060296171392022-06-15 23:58:41354 days 19 hrs ago0x67c569f960c1cc0b9a7979a851f5a67018c5a3b0 IN  Create: ARTHValuecoin0 MATIC0.1439793100
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Contract Source Code Verified (Exact Match)

Contract Name:
ARTHValuecoin

Compiler Version
v0.8.0+commit.c7dfd78e

Optimization Enabled:
Yes with 100 runs

Other Settings:
default evmVersion
File 1 of 7 : ARTHValuecoin.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.8.0;

import "./Interfaces/IARTHValuecoin.sol";
import "./Dependencies/SafeMath.sol";
import "./Dependencies/CheckContract.sol";
import "./Dependencies/Ownable.sol";

contract ARTHValuecoin is CheckContract, Ownable, IARTHValuecoin {
    using SafeMath for uint256;

    uint256 private _totalSupply;
    string internal constant _NAME = "ARTH Valuecoin (Polygon)";
    string internal constant _SYMBOL = "ARTH.poly";
    string internal constant _VERSION = "3";
    uint8 internal constant _DECIMALS = 18;

    // --- Data for EIP2612 ---

    // keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)");
    bytes32 private constant _PERMIT_TYPEHASH =
        0x6e71edae12b1b97f4d1f60370fef10105fa2faae0126114a169c64845d6126c9;
    // keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)");
    bytes32 private constant _TYPE_HASH =
        0x8b73c3c69bb8fe3d512ecc4cf759cc79239f7b179b0ffacaa9a75d522b39400f;

    // Cache the domain separator as an immutable value, but also store the chain id that it corresponds to, in order to
    // invalidate the cached domain separator if the chain id changes.
    bytes32 private immutable _CACHED_DOMAIN_SEPARATOR;
    uint256 private immutable _CACHED_CHAIN_ID;

    bytes32 private immutable _HASHED_NAME;
    bytes32 private immutable _HASHED_VERSION;

    mapping(address => uint256) private _nonces;

    mapping(address => bool) public borrowerOperationAddresses;
    mapping(address => bool) public troveManagerAddresses;
    mapping(address => bool) public stabilityPoolAddresses;

    // User data for ARTH token
    mapping(address => uint256) private _balances;
    mapping(address => mapping(address => uint256)) private _allowances;

    // --- Events ---

    constructor(address _governance) {
        bytes32 hashedName = keccak256(bytes(_NAME));
        bytes32 hashedVersion = keccak256(bytes(_VERSION));

        _HASHED_NAME = hashedName;
        _HASHED_VERSION = hashedVersion;
        _CACHED_CHAIN_ID = _chainID();
        _CACHED_DOMAIN_SEPARATOR = _buildDomainSeparator(_TYPE_HASH, hashedName, hashedVersion);

        transferOwnership(_governance);
    }

    // -- Functions to manage access control ---

    function toggleBorrowerOperations(address borrowerOperations) external override onlyOwner {
        bool oldFlag = borrowerOperationAddresses[borrowerOperations];
        borrowerOperationAddresses[borrowerOperations] = !oldFlag;
        emit BorrowerOperationsAddressToggled(
            borrowerOperations,
            oldFlag,
            !oldFlag,
            block.timestamp
        );
    }

    function toggleTroveManager(address troveManager) external override onlyOwner {
        bool oldFlag = troveManagerAddresses[troveManager];
        troveManagerAddresses[troveManager] = !oldFlag;
        emit TroveManagerToggled(troveManager, oldFlag, !oldFlag, block.timestamp);
    }

    function toggleStabilityPool(address stabilityPool) external override onlyOwner {
        bool oldFlag = stabilityPoolAddresses[stabilityPool];
        stabilityPoolAddresses[stabilityPool] = !oldFlag;
        emit StabilityPoolToggled(stabilityPool, oldFlag, !oldFlag, block.timestamp);
    }

    // --- Functions for intra-Liquity calls ---

    function mint(address _account, uint256 _amount) external override {
        _requireCallerIsBorrowerOperations();
        _mint(_account, _amount);
    }

    function burn(address _account, uint256 _amount) external override {
        _requireCallerIsBOorTroveMorSP();
        _burn(_account, _amount);
    }

    function sendToPool(
        address _sender,
        address _poolAddress,
        uint256 _amount
    ) external override {
        _requireCallerIsStabilityPool();
        _transfer(_sender, _poolAddress, _amount);
    }

    function returnFromPool(
        address _poolAddress,
        address _receiver,
        uint256 _amount
    ) external override {
        _requireCallerIsTroveMorSP();
        _transfer(_poolAddress, _receiver, _amount);
    }

    // --- External functions ---

    function totalSupply() external view override returns (uint256) {
        return _totalSupply;
    }

    function balanceOf(address account) external view override returns (uint256) {
        return _balances[account];
    }

    function transfer(address recipient, uint256 amount) external override returns (bool) {
        _requireValidRecipient(recipient);
        _transfer(msg.sender, recipient, amount);
        return true;
    }

    function allowance(address owner, address spender) external view override returns (uint256) {
        return _allowances[owner][spender];
    }

    function approve(address spender, uint256 amount) external override returns (bool) {
        _approve(msg.sender, spender, amount);
        return true;
    }

    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) external override returns (bool) {
        _requireValidRecipient(recipient);
        _transfer(sender, recipient, amount);
        _approve(
            sender,
            msg.sender,
            _allowances[sender][msg.sender].sub(amount, "ERC20: transfer amount exceeds allowance")
        );
        return true;
    }

    function increaseAllowance(address spender, uint256 addedValue)
        external
        override
        returns (bool)
    {
        _approve(msg.sender, spender, _allowances[msg.sender][spender].add(addedValue));
        return true;
    }

    function decreaseAllowance(address spender, uint256 subtractedValue)
        external
        override
        returns (bool)
    {
        _approve(
            msg.sender,
            spender,
            _allowances[msg.sender][spender].sub(
                subtractedValue,
                "ERC20: decreased allowance below zero"
            )
        );
        return true;
    }

    // --- EIP 2612 Functionality ---

    function domainSeparator() public view override returns (bytes32) {
        if (_chainID() == _CACHED_CHAIN_ID) {
            return _CACHED_DOMAIN_SEPARATOR;
        } else {
            return _buildDomainSeparator(_TYPE_HASH, _HASHED_NAME, _HASHED_VERSION);
        }
    }

    function permit(
        address owner,
        address spender,
        uint256 amount,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external override {
        require(deadline >= block.timestamp, "ARTH: expired deadline");
        bytes32 digest = keccak256(
            abi.encodePacked(
                "\x19\x01",
                domainSeparator(),
                keccak256(
                    abi.encode(_PERMIT_TYPEHASH, owner, spender, amount, _nonces[owner]++, deadline)
                )
            )
        );
        address recoveredAddress = ecrecover(digest, v, r, s);
        require(recoveredAddress == owner, "ARTH: invalid signature");
        _approve(owner, spender, amount);
    }

    function nonces(address owner) external view override returns (uint256) {
        // FOR EIP 2612
        return _nonces[owner];
    }

    // --- Internal operations ---

    function _chainID() private view returns (uint256 chainID) {
        assembly {
            chainID := chainid()
        }
    }

    function _buildDomainSeparator(
        bytes32 typeHash,
        bytes32 _name,
        bytes32 _version
    ) private view returns (bytes32) {
        return keccak256(abi.encode(typeHash, _name, _version, _chainID(), address(this)));
    }

    // --- Internal operations ---
    // Warning: sanity checks (for sender and recipient) should have been done before calling these internal functions

    function _transfer(
        address sender,
        address recipient,
        uint256 amount
    ) internal {
        require(sender != address(0), "sender is 0x0");
        require(recipient != address(0), "recipient is 0x0");

        _balances[sender] = _balances[sender].sub(amount, "ARTH: transfer amount exceeds balance");
        _balances[recipient] = _balances[recipient].add(amount);
        emit Transfer(sender, recipient, amount);
    }

    function _mint(address account, uint256 amount) internal {
        require(account != address(0), "account is 0x0");

        _totalSupply = _totalSupply.add(amount);
        _balances[account] = _balances[account].add(amount);
        emit Transfer(address(0), account, amount);
    }

    function _burn(address account, uint256 amount) internal {
        require(account != address(0), "account is 0x0");

        _balances[account] = _balances[account].sub(amount, "ARTH: burn amount exceeds balance");
        _totalSupply = _totalSupply.sub(amount);
        emit Transfer(account, address(0), amount);
    }

    function _approve(
        address owner,
        address spender,
        uint256 amount
    ) internal {
        assert(owner != address(0));
        assert(spender != address(0));

        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    // --- 'require' functions ---

    function _requireValidRecipient(address _recipient) internal view {
        require(
            _recipient != address(0) && _recipient != address(this),
            "ARTH: Cannot transfer tokens directly to the ARTH token contract or the zero address"
        );
        require(
            !stabilityPoolAddresses[_recipient] &&
                !troveManagerAddresses[_recipient] &&
                !borrowerOperationAddresses[_recipient],
            "ARTH: Cannot transfer tokens directly to the StabilityPool, TroveManager or BorrowerOps"
        );
    }

    function _requireCallerIsBorrowerOperations() internal view {
        require(borrowerOperationAddresses[msg.sender], "ARTH: Caller is not BorrowerOperations");
    }

    function _requireCallerIsBOorTroveMorSP() internal view {
        require(
            borrowerOperationAddresses[msg.sender] ||
                troveManagerAddresses[msg.sender] ||
                stabilityPoolAddresses[msg.sender],
            "ARTH: Caller is neither BorrowerOperations nor TroveManager nor StabilityPool"
        );
    }

    function _requireCallerIsStabilityPool() internal view {
        require(stabilityPoolAddresses[msg.sender], "ARTH: Caller is not the StabilityPool");
    }

    function _requireCallerIsTroveMorSP() internal view {
        require(
            troveManagerAddresses[msg.sender] || stabilityPoolAddresses[msg.sender],
            "ARTH: Caller is neither TroveManager nor StabilityPool"
        );
    }

    // --- Optional functions ---

    function name() external pure override returns (string memory) {
        return _NAME;
    }

    function symbol() external pure override returns (string memory) {
        return _SYMBOL;
    }

    function decimals() external pure override returns (uint8) {
        return _DECIMALS;
    }

    function version() external pure override returns (string memory) {
        return _VERSION;
    }

    function permitTypeHash() external pure override returns (bytes32) {
        return _PERMIT_TYPEHASH;
    }
}

File 2 of 7 : IARTHValuecoin.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.8.0;

import "../Interfaces/IERC20.sol";
import "../Interfaces/IERC2612.sol";

interface IARTHValuecoin is IERC20, IERC2612 {
    // --- Events ---
    event BorrowerOperationsAddressToggled(
        address borrowerOperations,
        bool oldFlag,
        bool newFlag,
        uint256 timestamp
    );
    event TroveManagerToggled(address troveManager, bool oldFlag, bool newFlag, uint256 timestamp);
    event StabilityPoolToggled(address stabilityPool, bool oldFlag, bool newFlag, uint256 timestamp);
    event TroveManagerAddressChanged(address _troveManagerAddress);
    event StabilityPoolAddressChanged(address _newStabilityPoolAddress);
    event BorrowerOperationsAddressChanged(address _newBorrowerOperationsAddress);
    event ARTHTokenBalanceUpdated(address _user, uint256 _amount);

    // --- Functions ---

    function mint(address _account, uint256 _amount) external;

    function burn(address _account, uint256 _amount) external;

    function toggleBorrowerOperations(address borrowerOperations) external;

    function toggleTroveManager(address troveManager) external;

    function toggleStabilityPool(address stabilityPool) external;

    function sendToPool(
        address _sender,
        address poolAddress,
        uint256 _amount
    ) external;

    function returnFromPool(
        address poolAddress,
        address user,
        uint256 _amount
    ) external;
}

File 3 of 7 : SafeMath.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.8.0;

/**
 * Based on OpenZeppelin's SafeMath:
 * https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/math/SafeMath.sol
 *
 * @dev Wrappers over Solidity's arithmetic operations with added overflow
 * checks.
 *
 * Arithmetic operations in Solidity wrap on overflow. This can easily result
 * in bugs, because programmers usually assume that an overflow raises an
 * error, which is the standard behavior in high level programming languages.
 * `SafeMath` restores this intuition by reverting the transaction when an
 * operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");

        return c;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return sub(a, b, "SafeMath: subtraction overflow");
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     * - Subtraction cannot overflow.
     *
     * _Available since v2.4.0._
     */
    function sub(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        uint256 c = a - b;

        return c;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
        // benefit is lost if 'b' is also tested.
        // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
        if (a == 0) {
            return 0;
        }

        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");

        return c;
    }

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return div(a, b, "SafeMath: division by zero");
    }

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     * - The divisor cannot be zero.
     *
     * _Available since v2.4.0._
     */
    function div(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        // Solidity only automatically asserts when dividing by 0
        require(b > 0, errorMessage);
        uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold

        return c;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * Reverts when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return mod(a, b, "SafeMath: modulo by zero");
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * Reverts with custom message when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     * - The divisor cannot be zero.
     *
     * _Available since v2.4.0._
     */
    function mod(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        require(b != 0, errorMessage);
        return a % b;
    }
}

File 4 of 7 : CheckContract.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.8.0;

contract CheckContract {
    /**
     * Check that the account is an already deployed non-destroyed contract.
     * See: https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/utils/Address.sol#L12
     */
    function checkContract(address _account) internal view {
        require(_account != address(0), "Account cannot be zero address");

        uint256 size;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            size := extcodesize(_account)
        }
        require(size > 0, "Account code size cannot be zero");
    }
}

File 5 of 7 : Ownable.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.8.0;

/**
 * Based on OpenZeppelin's Ownable contract:
 * https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/access/Ownable.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.
 *
 * 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.
 */
contract Ownable {
    address private _owner;

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _owner = msg.sender;
        emit OwnershipTransferred(address(0), msg.sender);
    }

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

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

    /**
     * @dev Returns true if the caller is the current owner.
     */
    function isOwner() public view returns (bool) {
        return msg.sender == _owner;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     *
     * NOTE: This function is not safe, as it doesn’t check owner is calling it.
     * Make sure you check it before calling it.
     */
    function _renounceOwnership() internal {
        emit OwnershipTransferred(_owner, address(0));
        _owner = 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");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

File 6 of 7 : IERC20.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.8.0;

/**
 * Based on the OpenZeppelin IER20 interface:
 * https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/token/ERC20/IERC20.sol
 *
 * @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);

    function increaseAllowance(address spender, uint256 addedValue) external returns (bool);

    function decreaseAllowance(address spender, uint256 subtractedValue) external returns (bool);

    /**
     * @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);

    function name() external view returns (string memory);

    function symbol() external view returns (string memory);

    function decimals() external view returns (uint8);

    /**
     * @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);
}

File 7 of 7 : IERC2612.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.8.0;

/**
 * @dev Interface of the ERC2612 standard as defined in the EIP.
 *
 * Adds the {permit} method, which can be used to change one's
 * {IERC20-allowance} without having to send a transaction, by signing a
 * message. This allows users to spend tokens without having to hold Ether.
 *
 * See https://eips.ethereum.org/EIPS/eip-2612.
 *
 * Code adapted from https://github.com/OpenZeppelin/openzeppelin-contracts/pull/2237/
 */
interface IERC2612 {
    /**
     * @dev Sets `amount` 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:
     *
     * - `owner` cannot be the zero address.
     * - `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 amount,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    /**
     * @dev Returns the current ERC2612 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.
     *
     * `owner` can limit the time a Permit is valid for by setting `deadline` to
     * a value in the near future. The deadline argument can be set to uint(-1) to
     * create Permits that effectively never expire.
     */
    function nonces(address owner) external view returns (uint256);

    function version() external view returns (string memory);

    function permitTypeHash() external view returns (bytes32);

    function domainSeparator() external view returns (bytes32);
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 100
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"_governance","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"_user","type":"address"},{"indexed":false,"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"ARTHTokenBalanceUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"_newBorrowerOperationsAddress","type":"address"}],"name":"BorrowerOperationsAddressChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"borrowerOperations","type":"address"},{"indexed":false,"internalType":"bool","name":"oldFlag","type":"bool"},{"indexed":false,"internalType":"bool","name":"newFlag","type":"bool"},{"indexed":false,"internalType":"uint256","name":"timestamp","type":"uint256"}],"name":"BorrowerOperationsAddressToggled","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":"_newStabilityPoolAddress","type":"address"}],"name":"StabilityPoolAddressChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"stabilityPool","type":"address"},{"indexed":false,"internalType":"bool","name":"oldFlag","type":"bool"},{"indexed":false,"internalType":"bool","name":"newFlag","type":"bool"},{"indexed":false,"internalType":"uint256","name":"timestamp","type":"uint256"}],"name":"StabilityPoolToggled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"_troveManagerAddress","type":"address"}],"name":"TroveManagerAddressChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"troveManager","type":"address"},{"indexed":false,"internalType":"bool","name":"oldFlag","type":"bool"},{"indexed":false,"internalType":"bool","name":"newFlag","type":"bool"},{"indexed":false,"internalType":"uint256","name":"timestamp","type":"uint256"}],"name":"TroveManagerToggled","type":"event"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"borrowerOperationAddresses","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"domainSeparator","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"isOwner","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"nonces","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"permit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"permitTypeHash","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"_poolAddress","type":"address"},{"internalType":"address","name":"_receiver","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"returnFromPool","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_sender","type":"address"},{"internalType":"address","name":"_poolAddress","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"sendToPool","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"stabilityPoolAddresses","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"borrowerOperations","type":"address"}],"name":"toggleBorrowerOperations","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"stabilityPool","type":"address"}],"name":"toggleStabilityPool","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"troveManager","type":"address"}],"name":"toggleTroveManager","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"troveManagerAddresses","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"}]

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

00000000000000000000000067c569f960c1cc0b9a7979a851f5a67018c5a3b0

-----Decoded View---------------
Arg [0] : _governance (address): 0x67c569f960c1cc0b9a7979a851f5a67018c5a3b0

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 00000000000000000000000067c569f960c1cc0b9a7979a851f5a67018c5a3b0


Block Transaction Gas Used Reward
Age Block Fee Address BC Fee Address Voting Power Jailed Incoming
Block Uncle Number Difficulty Gas Used Reward
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