Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

Outline

• interface IERC20
•    - function totalSupply()
•    - function balanceOf(address account)
•    - function transfer(address to, uint256 ...
•    - function allowance(address owner, add ...
•    - function approve(address spender, uin ...
•    - function transferFrom(address from, a ...
• interface IERC20Permit
•    - function permit(
•    - function nonces(address owner)
•    - function DOMAIN_SEPARATOR()
• library Address
•    - function sendValue(address payable re ...
•    - function functionCall(address target, ...
•    - function functionCallWithValue(addres ...
•    - function functionStaticCall(address t ...
•    - function functionDelegateCall(address ...
•    - function verifyCallResultFromTarget(
•    - function verifyCallResult(bool succes ...
•    - function _revert(bytes memory returnd ...
• library SafeERC20
•    - function safeTransfer(IERC20 token, a ...
•    - function safeTransferFrom(IERC20 toke ...
•    - function safeIncreaseAllowance(IERC20 ...
•    - function safeDecreaseAllowance(IERC20 ...
•    - function forceApprove(IERC20 token, a ...
•    - function _callOptionalReturn(IERC20 t ...
•    - function _callOptionalReturnBool(IERC ...
• library MerkleProof
•    - function verify(bytes32[] memory proo ...
•    - function verifyCalldata(bytes32[] cal ...
•    - function processProof(bytes32[] memor ...
•    - function processProofCalldata(bytes32 ...
•    - function multiProofVerify(
•    - function multiProofVerifyCalldata(
•    - function processMultiProof(
•    - function processMultiProofCalldata(
•    - function _hashPair(bytes32 a, bytes32 ...
•    - function _efficientHash(bytes32 a, by ...
•    - function _msgSender()
•    - function _msgData()
•    - function _contextSuffixLength()
•    - function owner()
•    - function _checkOwner()
•    - function renounceOwnership()
•    - function transferOwnership(address ne ...
•    - function _transferOwnership(address n ...
• interface IStake
•    - function stakeFor(address _user, uint ...
•  contract GfoxClaim is Ownable *
•    - function claim(
•    - function claimAndStake(
•    - function recoverTokens(
•    - function setMerkleRoot(bytes32 _merkl ...
•    - function _verify(
•    - function _getClaimableAmount(

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2024-05-15
*/

pragma solidity ^0.8.23;


// 
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)
/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the value of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

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

    /**
     * @dev Moves a `value` amount of tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 value) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the
     * caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the
     * allowance mechanism. `value` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 value) external returns (bool);
}

interface IERC20Permit {
    /**
     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
     * given ``owner``'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     *
     * CAUTION: See Security Considerations above.
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    /**
     * @dev Returns the current nonce for `owner`. This value must be
     * included whenever a signature is generated for {permit}.
     *
     * Every successful call to {permit} increases ``owner``'s nonce by one. This
     * prevents a signature from being used multiple times.
     */
    function nonces(address owner) external view returns (uint256);

    /**
     * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
     */
    // solhint-disable-next-line func-name-mixedcase
    function DOMAIN_SEPARATOR() external view returns (bytes32);
}

library Address {
    /**
     * @dev The ETH balance of the account is not enough to perform the operation.
     */
    error AddressInsufficientBalance(address account);

    /**
     * @dev There's no code at `target` (it is not a contract).
     */
    error AddressEmptyCode(address target);

    /**
     * @dev A call to an address target failed. The target may have reverted.
     */
    error FailedInnerCall();

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.8.20/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        if (address(this).balance < amount) {
            revert AddressInsufficientBalance(address(this));
        }

        (bool success, ) = recipient.call{value: amount}("");
        if (!success) {
            revert FailedInnerCall();
        }
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason or custom error, it is bubbled
     * up by this function (like regular Solidity function calls). However, if
     * the call reverted with no returned reason, this function reverts with a
     * {FailedInnerCall} error.
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        if (address(this).balance < value) {
            revert AddressInsufficientBalance(address(this));
        }
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata);
    }

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

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

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and reverts if the target
     * was not a contract or bubbling up the revert reason (falling back to {FailedInnerCall}) in case of an
     * unsuccessful call.
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata
    ) internal view returns (bytes memory) {
        if (!success) {
            _revert(returndata);
        } else {
            // only check if target is a contract if the call was successful and the return data is empty
            // otherwise we already know that it was a contract
            if (returndata.length == 0 && target.code.length == 0) {
                revert AddressEmptyCode(target);
            }
            return returndata;
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and reverts if it wasn't, either by bubbling the
     * revert reason or with a default {FailedInnerCall} error.
     */
    function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) {
        if (!success) {
            _revert(returndata);
        } else {
            return returndata;
        }
    }

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

// 
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/utils/SafeERC20.sol)
/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using Address for address;

    /**
     * @dev An operation with an ERC20 token failed.
     */
    error SafeERC20FailedOperation(address token);

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

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

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

    /**
     * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 oldAllowance = token.allowance(address(this), spender);
        forceApprove(token, spender, oldAllowance + value);
    }

    /**
     * @dev Decrease the calling contract's allowance toward `spender` by `requestedDecrease`. If `token` returns no
     * value, non-reverting calls are assumed to be successful.
     */
    function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal {
        unchecked {
            uint256 currentAllowance = token.allowance(address(this), spender);
            if (currentAllowance < requestedDecrease) {
                revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease);
            }
            forceApprove(token, spender, currentAllowance - requestedDecrease);
        }
    }

    /**
     * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval
     * to be set to zero before setting it to a non-zero value, such as USDT.
     */
    function forceApprove(IERC20 token, address spender, uint256 value) internal {
        bytes memory approvalCall = abi.encodeCall(token.approve, (spender, value));

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

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data);
        if (returndata.length != 0 && !abi.decode(returndata, (bool))) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     *
     * This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead.
     */
    function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We cannot use {Address-functionCall} here since this should return false
        // and not revert is the subcall reverts.

        (bool success, bytes memory returndata) = address(token).call(data);
        return success && (returndata.length == 0 || abi.decode(returndata, (bool))) && address(token).code.length > 0;
    }
}

library MerkleProof {
    /**
     *@dev The multiproof provided is not valid.
     */
    error MerkleProofInvalidMultiproof();

    /**
     * @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.
     */
    function verify(bytes32[] memory proof, bytes32 root, bytes32 leaf) internal pure returns (bool) {
        return processProof(proof, leaf) == root;
    }

    /**
     * @dev Calldata version of {verify}
     */
    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 leafs & pre-images are assumed to be sorted.
     */
    function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) {
        bytes32 computedHash = leaf;
        for (uint256 i = 0; i < proof.length; i++) {
            computedHash = _hashPair(computedHash, proof[i]);
        }
        return computedHash;
    }

    /**
     * @dev Calldata version of {processProof}
     */
    function processProofCalldata(bytes32[] calldata proof, bytes32 leaf) internal pure returns (bytes32) {
        bytes32 computedHash = leaf;
        for (uint256 i = 0; i < proof.length; i++) {
            computedHash = _hashPair(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}.
     *
     * CAUTION: Not all Merkle trees admit multiproofs. See {processMultiProof} for details.
     */
    function multiProofVerify(
        bytes32[] memory proof,
        bool[] memory proofFlags,
        bytes32 root,
        bytes32[] memory leaves
    ) internal pure returns (bool) {
        return processMultiProof(proof, proofFlags, leaves) == root;
    }

    /**
     * @dev Calldata version of {multiProofVerify}
     *
     * CAUTION: Not all Merkle trees admit multiproofs. See {processMultiProof} for details.
     */
    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.
     *
     * 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).
     */
    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 proofLen = proof.length;
        uint256 totalHashes = proofFlags.length;

        // Check proof validity.
        if (leavesLen + proofLen != totalHashes + 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[](totalHashes);
        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 < totalHashes; i++) {
            bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];
            bytes32 b = proofFlags[i]
                ? (leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++])
                : proof[proofPos++];
            hashes[i] = _hashPair(a, b);
        }

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

    /**
     * @dev Calldata version of {processMultiProof}.
     *
     * CAUTION: Not all Merkle trees admit multiproofs. See {processMultiProof} for details.
     */
    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 proofLen = proof.length;
        uint256 totalHashes = proofFlags.length;

        // Check proof validity.
        if (leavesLen + proofLen != totalHashes + 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[](totalHashes);
        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 < totalHashes; i++) {
            bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];
            bytes32 b = proofFlags[i]
                ? (leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++])
                : proof[proofPos++];
            hashes[i] = _hashPair(a, b);
        }

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

    /**
     * @dev Sorts the pair (a, b) and hashes the result.
     */
    function _hashPair(bytes32 a, bytes32 b) private pure returns (bytes32) {
        return a < b ? _efficientHash(a, b) : _efficientHash(b, a);
    }

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

abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

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

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

// 
// OpenZeppelin Contracts (last updated v5.0.0) (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.
 *
 * The initial owner is set to the address provided by the deployer. 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;

    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);

    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);

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

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

    /**
     * @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 {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

    /**
     * @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 {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _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);
    }
}

// 
// import "hardhat/console.sol";
interface IStake {
    function stakeFor(address _user, uint256 _poolId, uint256 _amount) external;
}

uint256 constant TGE_PERCENT = 25;

// 25%
uint256 constant CLAIM_INTERVAL = 7 days;

uint256 constant CLAIM_PERCENTAGE = 25;

// 25%
contract GfoxClaim is Ownable {
    using SafeERC20 for IERC20;

    uint256 public constant claimStart = 1713491400; // 2024-04-19T01:50:00.000Z

    IERC20 public immutable gfoxToken;

    IStake public immutable gfStaking;

    mapping(address => uint256) public claimedAmount;

    bytes32 public merkleRoot;

    constructor(
        address _owner,
        address _gfoxToken,
        address _stakeContract,
        bytes32 _merkleRoot
    ) Ownable(_owner) {
        gfoxToken = IERC20(_gfoxToken);

        merkleRoot = _merkleRoot;

        gfStaking = IStake(_stakeContract);

        // approve max uint256 for stake contract
        gfoxToken.approve(_stakeContract, type(uint256).max);
    }

    modifier claimStarted() {
        require(block.timestamp >= claimStart, "GfoxClaim: Not started");
        _;
    }

    event Claimed(address indexed account, uint256 amount, uint256 totalAmount);

    function claim(
        address _account,
        uint256 _amount,
        bytes32[] calldata _proof
    ) external claimStarted {
        _verify(_account, _amount, _proof);

        uint256 amountToClaim = _getClaimableAmount(_amount);

        amountToClaim -= claimedAmount[_account];

        claimedAmount[_account] += amountToClaim;

        emit Claimed(_account, amountToClaim, _amount);

        gfoxToken.safeTransfer(_account, amountToClaim);
    }

    function claimAndStake(
        address _account,
        uint256 _amount,
        bytes32[] calldata _proof,
        uint256 _poolId
    ) external claimStarted {
        _verify(_account, _amount, _proof);

        uint256 amountToClaim = _getClaimableAmount(_amount);

        amountToClaim -= claimedAmount[_account];

        claimedAmount[_account] += amountToClaim;

        emit Claimed(_account, amountToClaim, _amount);

        gfStaking.stakeFor(_account, _poolId, amountToClaim);
    }

    function recoverTokens(
        address _token,
        address _to,
        uint256 _amount
    ) external onlyOwner {
        IERC20(_token).safeTransfer(_to, _amount);
    }

    function setMerkleRoot(bytes32 _merkleRoot) external onlyOwner {
        merkleRoot = _merkleRoot;
    }

    function _verify(
        address _account,
        uint256 _amount,
        bytes32[] calldata _proof
    ) internal view {
        require(
            claimedAmount[_account] < _amount,
            "GfoxClaim: Already claimed"
        );
        require(
            MerkleProof.verify(
                _proof,
                merkleRoot,
                keccak256(abi.encodePacked(_account, _amount))
            ),
            "GfoxClaim: Invalid proof"
        );
    }

    function _getClaimableAmount(
        uint256 _amount
    ) internal view returns (uint256 amountToClaim) {
        amountToClaim += (_amount * TGE_PERCENT) / 100;

        uint256 weeksPassed = (block.timestamp - claimStart) / CLAIM_INTERVAL; // precision loss is wanted

        if (weeksPassed >= 3) {
            amountToClaim = _amount;
        } else {
            amountToClaim += (_amount * CLAIM_PERCENTAGE * weeksPassed) / 100;
        }
    }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_owner","type":"address"},{"internalType":"address","name":"_gfoxToken","type":"address"},{"internalType":"address","name":"_stakeContract","type":"address"},{"internalType":"bytes32","name":"_merkleRoot","type":"bytes32"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"target","type":"address"}],"name":"AddressEmptyCode","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"AddressInsufficientBalance","type":"error"},{"inputs":[],"name":"FailedInnerCall","type":"error"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"OwnableInvalidOwner","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"OwnableUnauthorizedAccount","type":"error"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"SafeERC20FailedOperation","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"totalAmount","type":"uint256"}],"name":"Claimed","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"},{"inputs":[{"internalType":"address","name":"_account","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"bytes32[]","name":"_proof","type":"bytes32[]"}],"name":"claim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"bytes32[]","name":"_proof","type":"bytes32[]"},{"internalType":"uint256","name":"_poolId","type":"uint256"}],"name":"claimAndStake","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"claimStart","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"claimedAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"gfStaking","outputs":[{"internalType":"contract IStake","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"gfoxToken","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"merkleRoot","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"recoverTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_merkleRoot","type":"bytes32"}],"name":"setMerkleRoot","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

0000000000000000000000004e6647a2bda8dfe75316a72e73586ecd24d0e7000000000000000000000000008f1cece048cade6b8a05dfa2f90ee4025f4f266200000000000000000000000080846b546baece682496caaf8b8aba62c65cb0e40000000000000000000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : _owner (address): 0x4e6647a2bda8dfe75316a72E73586eCD24d0e700
Arg [1] : _gfoxToken (address): 0x8F1CecE048Cade6b8a05dFA2f90EE4025F4F2662
Arg [2] : _stakeContract (address): 0x80846B546BaecE682496cAAF8B8AbA62c65CB0E4
Arg [3] : _merkleRoot (bytes32): 0x0000000000000000000000000000000000000000000000000000000000000000

-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 0000000000000000000000004e6647a2bda8dfe75316a72e73586ecd24d0e700
Arg [1] : 0000000000000000000000008f1cece048cade6b8a05dfa2f90ee4025f4f2662
Arg [2] : 00000000000000000000000080846b546baece682496caaf8b8aba62c65cb0e4
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000000

29380:3230:0:-:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;29620:48;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;529:25:1;;;517:2;502:18;29620:48:0;;;;;;;;29677:25;;;;;;30331:476;;;;;;:::i;:::-;;:::i;:::-;;31338:182;;;;;;:::i;:::-;;:::i;29536:33::-;;;;;;;;-1:-1:-1;;;;;2213:32:1;;;2195:51;;2183:2;2168:18;29536:33:0;2036:216:1;28256:103:0;;;:::i;31528:106::-;;;;;;:::i;:::-;;:::i;29578:33::-;;;;;27581:87;27627:7;27654:6;-1:-1:-1;;;;;27654:6:0;27581:87;;30815:515;;;;;;:::i;:::-;;:::i;29452:47::-;;29489:10;29452:47;;28514:220;;;;;;:::i;:::-;;:::i;30331:476::-;29489:10;30163:15;:29;;30155:64;;;;-1:-1:-1;;;30155:64:0;;3728:2:1;30155:64:0;;;3710:21:1;3767:2;3747:18;;;3740:30;-1:-1:-1;;;3786:18:1;;;3779:52;3848:18;;30155:64:0;;;;;;;;;30475:34:::1;30483:8;30493:7;30502:6;;30475:7;:34::i;:::-;30522:21;30546:28;30566:7;30546:19;:28::i;:::-;-1:-1:-1::0;;;;;30604:23:0;::::1;;::::0;;;:13:::1;:23;::::0;;;;;30522:52;;-1:-1:-1;30587:40:0::1;::::0;30522:52;30587:40:::1;:::i;:::-;-1:-1:-1::0;;;;;30640:23:0;::::1;;::::0;;;:13:::1;:23;::::0;;;;:40;;30587;;-1:-1:-1;30587:40:0;;30640:23;;;:40:::1;::::0;30587;;30640::::1;:::i;:::-;::::0;;;-1:-1:-1;;30698:41:0::1;::::0;;4446:25:1;;;4502:2;4487:18;;4480:34;;;-1:-1:-1;;;;;30698:41:0;::::1;::::0;::::1;::::0;4419:18:1;30698:41:0::1;;;;;;;30752:47;-1:-1:-1::0;;;;;30752:9:0::1;:22;30775:8:::0;30785:13;30752:22:::1;:47::i;:::-;30464:343;30331:476:::0;;;;:::o;31338:182::-;27467:13;:11;:13::i;:::-;31471:41:::1;-1:-1:-1::0;;;;;31471:27:0;::::1;31499:3:::0;31504:7;31471:27:::1;:41::i;:::-;31338:182:::0;;;:::o;28256:103::-;27467:13;:11;:13::i;:::-;28321:30:::1;28348:1;28321:18;:30::i;:::-;28256:103::o:0;31528:106::-;27467:13;:11;:13::i;:::-;31602:10:::1;:24:::0;31528:106::o;30815:515::-;29489:10;30163:15;:29;;30155:64;;;;-1:-1:-1;;;30155:64:0;;3728:2:1;30155:64:0;;;3710:21:1;3767:2;3747:18;;;3740:30;-1:-1:-1;;;3786:18:1;;;3779:52;3848:18;;30155:64:0;3526:346:1;30155:64:0;30993:34:::1;31001:8;31011:7;31020:6;;30993:7;:34::i;:::-;31040:21;31064:28;31084:7;31064:19;:28::i;:::-;-1:-1:-1::0;;;;;31122:23:0;::::1;;::::0;;;:13:::1;:23;::::0;;;;;31040:52;;-1:-1:-1;31105:40:0::1;::::0;31040:52;31105:40:::1;:::i;:::-;-1:-1:-1::0;;;;;31158:23:0;::::1;;::::0;;;:13:::1;:23;::::0;;;;:40;;31105;;-1:-1:-1;31105:40:0;;31158:23;;;:40:::1;::::0;31105;;31158::::1;:::i;:::-;::::0;;;-1:-1:-1;;31216:41:0::1;::::0;;4446:25:1;;;4502:2;4487:18;;4480:34;;;-1:-1:-1;;;;;31216:41:0;::::1;::::0;::::1;::::0;4419:18:1;31216:41:0::1;;;;;;;31270:52;::::0;-1:-1:-1;;;31270:52:0;;-1:-1:-1;;;;;4745:32:1;;;31270:52:0::1;::::0;::::1;4727:51:1::0;4794:18;;;4787:34;;;4837:18;;;4830:34;;;31270:9:0::1;:18;::::0;::::1;::::0;4700::1;;31270:52:0::1;;;;;;;;;;;;;;;;;::::0;::::1;;;;;;;;;;;;::::0;::::1;;;;;;;;;30982:348;30815:515:::0;;;;;:::o;28514:220::-;27467:13;:11;:13::i;:::-;-1:-1:-1;;;;;28599:22:0;::::1;28595:93;;28645:31;::::0;-1:-1:-1;;;28645:31:0;;28673:1:::1;28645:31;::::0;::::1;2195:51:1::0;2168:18;;28645:31:0::1;2036:216:1::0;28595:93:0::1;28698:28;28717:8;28698:18;:28::i;:::-;28514:220:::0;:::o;31642:492::-;-1:-1:-1;;;;;31802:23:0;;;;;;:13;:23;;;;;;:33;-1:-1:-1;31780:109:0;;;;-1:-1:-1;;;31780:109:0;;5077:2:1;31780:109:0;;;5059:21:1;5116:2;5096:18;;;5089:30;5155:28;5135:18;;;5128:56;5201:18;;31780:109:0;4875:350:1;31780:109:0;31922:152;31959:6;;31922:152;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;;31984:10:0;;32023:35;;-1:-1:-1;;5407:2:1;5403:15;;;5399:53;32023:35:0;;;5387:66:1;5469:12;;;5462:28;;;31984:10:0;;-1:-1:-1;5506:12:1;;;-1:-1:-1;32023:35:0;;;;;;;;;;;;32013:46;;;;;;31922:18;:152::i;:::-;31900:226;;;;-1:-1:-1;;;31900:226:0;;5731:2:1;31900:226:0;;;5713:21:1;5770:2;5750:18;;;5743:30;5809:26;5789:18;;;5782:54;5853:18;;31900:226:0;5529:348:1;31900:226:0;31642:492;;;;:::o;32142:465::-;32227:21;32304:3;32279:21;29269:2;32279:7;:21;:::i;:::-;32278:29;;;;:::i;:::-;32261:46;;;;:::i;:::-;;-1:-1:-1;32320:19:0;29318:6;32343:28;29489:10;32343:15;:28;:::i;:::-;32342:47;;;;:::i;:::-;32320:69;;32449:1;32434:11;:16;32430:170;;32483:7;32467:23;;32430:170;;;32585:3;32570:11;32541:26;29365:2;32541:7;:26;:::i;:::-;:40;;;;:::i;:::-;32540:48;;;;:::i;:::-;32523:65;;;;:::i;:::-;;;32430:170;32250:357;32142:465;;;:::o;11917:162::-;12027:43;;;-1:-1:-1;;;;;6469:32:1;;12027:43:0;;;6451:51:1;6518:18;;;;6511:34;;;12027:43:0;;;;;;;;;;6424:18:1;;;;12027:43:0;;;;;;;;-1:-1:-1;;;;;12027:43:0;-1:-1:-1;;;12027:43:0;;;12000:71;;12020:5;;12000:19;:71::i;27746:166::-;27627:7;27654:6;-1:-1:-1;;;;;27654:6:0;25754:10;27806:23;27802:103;;27853:40;;-1:-1:-1;;;27853:40:0;;25754:10;27853:40;;;2195:51:1;2168:18;;27853:40:0;2036:216:1;28894:191:0;28968:16;28987:6;;-1:-1:-1;;;;;29004:17:0;;;-1:-1:-1;;;;;;29004:17:0;;;;;;29037:40;;28987:6;;;;;;;29037:40;;28968:16;29037:40;28957:128;28894:191;:::o;16943:156::-;17034:4;17087;17058:25;17071:5;17078:4;17058:12;:25::i;:::-;:33;17051:40;;16943:156;;;;;;:::o;14728:638::-;15152:23;15178:33;-1:-1:-1;;;;;15178:27:0;;15206:4;15178:27;:33::i;:::-;15152:59;;15226:10;:17;15247:1;15226:22;;:57;;;;;15264:10;15253:30;;;;;;;;;;;;:::i;:::-;15252:31;15226:57;15222:137;;;15307:40;;-1:-1:-1;;;15307:40:0;;-1:-1:-1;;;;;2213:32:1;;15307:40:0;;;2195:51:1;2168:18;;15307:40:0;2036:216:1;17662:296:0;17745:7;17788:4;17745:7;17803:118;17827:5;:12;17823:1;:16;17803:118;;;17876:33;17886:12;17900:5;17906:1;17900:8;;;;;;;;:::i;:::-;;;;;;;17876:9;:33::i;:::-;17861:48;-1:-1:-1;17841:3:0;;17803:118;;;-1:-1:-1;17938:12:0;-1:-1:-1;17662:296:0;;;;;:::o;7144:153::-;7219:12;7251:38;7273:6;7281:4;7287:1;7251:21;:38::i;25092:149::-;25155:7;25186:1;25182;:5;:51;;25434:13;25528:15;;;25564:4;25557:15;;;25611:4;25595:21;;25182:51;;;25434:13;25528:15;;;25564:4;25557:15;;;25611:4;25595:21;;25190:20;25366:268;7632:398;7731:12;7784:5;7760:21;:29;7756:110;;;7813:41;;-1:-1:-1;;;7813:41:0;;7848:4;7813:41;;;2195:51:1;2168:18;;7813:41:0;2036:216:1;7756:110:0;7877:12;7891:23;7918:6;-1:-1:-1;;;;;7918:11:0;7937:5;7944:4;7918:31;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;7876:73;;;;7967:55;7994:6;8002:7;8011:10;7967:26;:55::i;:::-;7960:62;7632:398;-1:-1:-1;;;;;;7632:398:0:o;9108:597::-;9256:12;9286:7;9281:417;;9310:19;9318:10;9310:7;:19::i;:::-;9281:417;;;9538:17;;:22;:49;;;;-1:-1:-1;;;;;;9564:18:0;;;:23;9538:49;9534:121;;;9615:24;;-1:-1:-1;;;9615:24:0;;-1:-1:-1;;;;;2213:32:1;;9615:24:0;;;2195:51:1;2168:18;;9615:24:0;2036:216:1;9534:121:0;-1:-1:-1;9676:10:0;9669:17;;10258:528;10391:17;;:21;10387:392;;10623:10;10617:17;10680:15;10667:10;10663:2;10659:19;10652:44;10387:392;10750:17;;-1:-1:-1;;;10750:17:0;;;;;;;;;;;14:173:1;82:20;;-1:-1:-1;;;;;131:31:1;;121:42;;111:70;;177:1;174;167:12;111:70;14:173;;;:::o;192:186::-;251:6;304:2;292:9;283:7;279:23;275:32;272:52;;;320:1;317;310:12;272:52;343:29;362:9;343:29;:::i;747:367::-;810:8;820:6;874:3;867:4;859:6;855:17;851:27;841:55;;892:1;889;882:12;841:55;-1:-1:-1;915:20:1;;958:18;947:30;;944:50;;;990:1;987;980:12;944:50;1027:4;1019:6;1015:17;1003:29;;1087:3;1080:4;1070:6;1067:1;1063:14;1055:6;1051:27;1047:38;1044:47;1041:67;;;1104:1;1101;1094:12;1041:67;747:367;;;;;:::o;1119:579::-;1223:6;1231;1239;1247;1300:2;1288:9;1279:7;1275:23;1271:32;1268:52;;;1316:1;1313;1306:12;1268:52;1339:29;1358:9;1339:29;:::i;:::-;1329:39;;1415:2;1404:9;1400:18;1387:32;1377:42;;1470:2;1459:9;1455:18;1442:32;1497:18;1489:6;1486:30;1483:50;;;1529:1;1526;1519:12;1483:50;1568:70;1630:7;1621:6;1610:9;1606:22;1568:70;:::i;:::-;1119:579;;;;-1:-1:-1;1657:8:1;-1:-1:-1;;;;1119:579:1:o;1703:328::-;1780:6;1788;1796;1849:2;1837:9;1828:7;1824:23;1820:32;1817:52;;;1865:1;1862;1855:12;1817:52;1888:29;1907:9;1888:29;:::i;:::-;1878:39;;1936:38;1970:2;1959:9;1955:18;1936:38;:::i;:::-;1926:48;;2021:2;2010:9;2006:18;1993:32;1983:42;;1703:328;;;;;:::o;2257:180::-;2316:6;2369:2;2357:9;2348:7;2344:23;2340:32;2337:52;;;2385:1;2382;2375:12;2337:52;-1:-1:-1;2408:23:1;;2257:180;-1:-1:-1;2257:180:1:o;2873:648::-;2986:6;2994;3002;3010;3018;3071:3;3059:9;3050:7;3046:23;3042:33;3039:53;;;3088:1;3085;3078:12;3039:53;3111:29;3130:9;3111:29;:::i;:::-;3101:39;;3187:2;3176:9;3172:18;3159:32;3149:42;;3242:2;3231:9;3227:18;3214:32;3269:18;3261:6;3258:30;3255:50;;;3301:1;3298;3291:12;3255:50;3340:70;3402:7;3393:6;3382:9;3378:22;3340:70;:::i;:::-;2873:648;;;;-1:-1:-1;3429:8:1;3511:2;3496:18;3483:32;;2873:648;-1:-1:-1;;;;2873:648:1:o;3877:127::-;3938:10;3933:3;3929:20;3926:1;3919:31;3969:4;3966:1;3959:15;3993:4;3990:1;3983:15;4009:128;4076:9;;;4097:11;;;4094:37;;;4111:18;;:::i;4142:125::-;4207:9;;;4228:10;;;4225:36;;;4241:18;;:::i;5882:168::-;5955:9;;;5986;;6003:15;;;5997:22;;5983:37;5973:71;;6024:18;;:::i;6055:217::-;6095:1;6121;6111:132;;6165:10;6160:3;6156:20;6153:1;6146:31;6200:4;6197:1;6190:15;6228:4;6225:1;6218:15;6111:132;-1:-1:-1;6257:9:1;;6055:217::o;6556:277::-;6623:6;6676:2;6664:9;6655:7;6651:23;6647:32;6644:52;;;6692:1;6689;6682:12;6644:52;6724:9;6718:16;6777:5;6770:13;6763:21;6756:5;6753:32;6743:60;;6799:1;6796;6789:12;6838:127;6899:10;6894:3;6890:20;6887:1;6880:31;6930:4;6927:1;6920:15;6954:4;6951:1;6944:15;6970:412;7099:3;7137:6;7131:13;7162:1;7172:129;7186:6;7183:1;7180:13;7172:129;;;7284:4;7268:14;;;7264:25;;7258:32;7245:11;;;7238:53;7201:12;7172:129;;;-1:-1:-1;7356:1:1;7320:16;;7345:13;;;-1:-1:-1;7320:16:1;6970:412;-1:-1:-1;6970:412:1:o

ipfs://b76b92799274e5661fac1bf6a36c068b9166db478a1a6d934669466304152104