IncentivesGeneral

Description:

Proxy contract enabling upgradeable smart contract patterns. Delegates calls to an implementation contract.

Blockchain: Ethereum

Source Code: View Code On The Blockchain

Solidity Source Code:

{{
  "language": "Solidity",
  "sources": {
    "@openzeppelin/contracts/token/ERC20/extensions/IERC20Permit.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.4) (token/ERC20/extensions/IERC20Permit.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 *
 * ==== Security Considerations
 *
 * There are two important considerations concerning the use of `permit`. The first is that a valid permit signature
 * expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be
 * considered as an intention to spend the allowance in any specific way. The second is that because permits have
 * built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should
 * take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be
 * generally recommended is:
 *
 * ```solidity
 * function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public {
 *     try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {}
 *     doThing(..., value);
 * }
 *
 * function doThing(..., uint256 value) public {
 *     token.safeTransferFrom(msg.sender, address(this), value);
 *     ...
 * }
 * ```
 *
 * Observe that: 1) `msg.sender` is used as the owner, leaving no ambiguity as to the signer intent, and 2) the use of
 * `try/catch` allows the permit to fail and makes the code tolerant to frontrunning. (See also
 * {SafeERC20-safeTransferFrom}).
 *
 * Additionally, note that smart contract wallets (such as Argent or Safe) are not able to produce permit signatures, so
 * contracts should have entry points that don't rely on permit.
 */
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);
}
"
    },
    "@openzeppelin/contracts/token/ERC20/IERC20.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @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 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 `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, 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 `from` to `to` 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 from, address to, uint256 amount) external returns (bool);
}
"
    },
    "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.3) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../extensions/IERC20Permit.sol";
import "../../../utils/Address.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 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.encodeWithSelector(token.transfer.selector, 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.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(IERC20 token, address spender, uint256 value) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        require(
            (value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, 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);
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance + value));
    }

    /**
     * @dev Decrease the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance - value));
        }
    }

    /**
     * @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.encodeWithSelector(token.approve.selector, spender, value);

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

    /**
     * @dev Use a ERC-2612 signature to set the `owner` approval toward `spender` on `token`.
     * Revert on invalid signature.
     */
    function safePermit(
        IERC20Permit token,
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        uint256 nonceBefore = token.nonces(owner);
        token.permit(owner, spender, value, deadline, v, r, s);
        uint256 nonceAfter = token.nonces(owner);
        require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
    }

    /**
     * @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, "SafeERC20: low-level call failed");
        require(returndata.length == 0 || abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
    }

    /**
     * @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.isContract(address(token));
    }
}
"
    },
    "@openzeppelin/contracts/utils/Address.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     *
     * Furthermore, `isContract` will also return true if the target contract within
     * the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
     * which only has an effect at the end of a transaction.
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @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/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @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, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * 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.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @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`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) 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(errorMessage);
        }
    }
}
"
    },
    "@openzeppelin/contracts/utils/math/SafeMath.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/math/SafeMath.sol)

pragma solidity ^0.8.0;

// CAUTION
// This version of SafeMath should only be used with Solidity 0.8 or later,
// because it relies on the compiler's built in overflow checks.

/**
 * @dev Wrappers over Solidity's arithmetic operations.
 *
 * NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
 * now has built in overflow checking.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            // 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 (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

    /**
     * @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) {
        return a + b;
    }

    /**
     * @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 a - b;
    }

    /**
     * @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) {
        return a * b;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator.
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting 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 a % b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        unchecked {
            require(b <= a, errorMessage);
            return a - b;
        }
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting 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) {
        unchecked {
            require(b > 0, errorMessage);
            return a / b;
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * 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) {
        unchecked {
            require(b > 0, errorMessage);
            return a % b;
        }
    }
}
"
    },
    "contracts/base/IncentivesGeneral.sol": {
      "content": "// SPDX-License-Identifier: Unlicense
pragma solidity 0.8.26;

import "@openzeppelin/contracts/utils/math/SafeMath.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

import "./inheritance/Controllable.sol";
import "./interface/IERC4626.sol";
import "./interface/IVault.sol";

contract IncentivesGeneral is Controllable {
    using SafeERC20 for IERC20;
    using SafeMath for uint256;

    event IncentiveAdded(address indexed vault, address indexed token, uint256 amount, uint256 duration);
    event IncentiveRemoved(address indexed strategy, address indexed token, uint256 claimed, uint256 returned, address receiver);
    event IncentiveClaimed(address indexed strategy, address indexed token, uint256 amount);

    struct IncentiveInfo {
        address vault;
        address strategy;
        address token;
        uint256 perSecond;
        uint256 lastTime;
        uint256 endTime;
    }

    mapping(address => IncentiveInfo[]) public strategyIncentives;

    constructor(address _storage) Controllable(_storage) {}

    function addIncentive(address _vault, address _token, uint256 _amount, uint256 _duration) public onlyGovernance {
        require(_amount > 0, "Amount must be greater than zero");
        require(_duration > 0, "Duration must be greater than zero");

        IERC20(_token).safeTransferFrom(msg.sender, address(this), _amount);
        uint256 perSecond = _amount.div(_duration);
        address strategy = IVault(_vault).strategy();
        strategyIncentives[strategy].push(IncentiveInfo({
            vault: _vault,
            strategy: strategy,
            token: _token,
            perSecond: perSecond,
            lastTime: block.timestamp,
            endTime: block.timestamp.add(_duration)
        }));
        emit IncentiveAdded(_vault, _token, _amount, _duration);
    }

    function removeIncentive(address _strategy, uint256 _index, address _receiver) public onlyGovernance {
        require(_index < strategyIncentives[_strategy].length, "Invalid index");
        require(_receiver != address(0), "Receiver cannot be zero address");
        IncentiveInfo storage incentive = strategyIncentives[_strategy][_index];

        uint256 timeElapsed = block.timestamp.sub(incentive.lastTime);
        uint256 amountToClaim = incentive.perSecond.mul(timeElapsed);
        uint256 amountToReturn;
        if (block.timestamp < incentive.endTime) {
            amountToReturn = incentive.perSecond.mul(incentive.endTime.sub(block.timestamp));
        } else {
            amountToReturn = 0;
        }

        // Remove the incentive from the list
        strategyIncentives[_strategy][_index] = strategyIncentives[_strategy][strategyIncentives[_strategy].length - 1];
        strategyIncentives[_strategy].pop();

        IERC20(incentive.token).safeTransfer(incentive.strategy, amountToClaim);
        IERC20(incentive.token).safeTransfer(_receiver, amountToReturn);

        emit IncentiveRemoved(_strategy, incentive.token, amountToClaim, amountToReturn, _receiver);
    }

    function claim() public {
        IncentiveInfo[] storage incentives = strategyIncentives[msg.sender];
        uint256 i = 0;
        while ( i < incentives.length) {
            IncentiveInfo storage incentive = incentives[i];
            if (block.timestamp > incentive.lastTime && block.timestamp < incentive.endTime) {
                uint256 timeElapsed = block.timestamp.sub(incentive.lastTime);
                uint256 amountToClaim = incentive.perSecond.mul(timeElapsed);
                incentive.lastTime = block.timestamp;
                IERC20(incentive.token).safeTransfer(msg.sender, amountToClaim);
                emit IncentiveClaimed(msg.sender, incentive.token, amountToClaim);
                i++;
            } else if (block.timestamp >= incentive.endTime) {
                uint256 timeElapsed = incentive.endTime.sub(incentive.lastTime);
                uint256 amountToClaim = incentive.perSecond.mul(timeElapsed);
                incentives[i] = incentives[incentives.length - 1];
                incentives.pop();
                IERC20(incentive.token).safeTransfer(msg.sender, amountToClaim);
                emit IncentiveClaimed(msg.sender, incentive.token, amountToClaim);
            } else {
                i++;
            }
        }
    }

    function salvage(address _token, uint256 _amount) public onlyGovernance {
        IERC20(_token).safeTransfer(governance(), _amount);
    }

    function pendingFor(address strategy, uint256 idx) external view returns (uint256) {
        IncentiveInfo storage inf = strategyIncentives[strategy][idx];
        uint256 until = block.timestamp < inf.endTime ? block.timestamp : inf.endTime;
        return inf.perSecond * (until - inf.lastTime);
    }

    function activeIncentives(address strategy) external view returns (uint256) {
        return strategyIncentives[strategy].length;
    }
}
"
    },
    "contracts/base/inheritance/Controllable.sol": {
      "content": "//SPDX-License-Identifier: Unlicense
pragma solidity 0.8.26;

import "./Governable.sol";

contract Controllable is Governable {

  constructor(address _storage) Governable(_storage) {
  }

  modifier onlyController() {
    require(store.isController(msg.sender), "Not a controller");
    _;
  }

  modifier onlyControllerOrGovernance(){
    require((store.isController(msg.sender) || store.isGovernance(msg.sender)),
      "The caller must be controller or governance");
    _;
  }

  function controller() public view returns (address) {
    return store.controller();
  }
}
"
    },
    "contracts/base/inheritance/Governable.sol": {
      "content": "//SPDX-License-Identifier: Unlicense
pragma solidity 0.8.26;

import "./Storage.sol";

contract Governable {

  Storage public store;

  constructor(address _store) {
    require(_store != address(0), "new storage shouldn't be empty");
    store = Storage(_store);
  }

  modifier onlyGovernance() {
    require(store.isGovernance(msg.sender), "Not governance");
    _;
  }

  function setStorage(address _store) public onlyGovernance {
    require(_store != address(0), "new storage shouldn't be empty");
    store = Storage(_store);
  }

  function governance() public view returns (address) {
    return store.governance();
  }
}
"
    },
    "contracts/base/inheritance/Storage.sol": {
      "content": "//SPDX-License-Identifier: Unlicense
pragma solidity 0.8.26;

contract Storage {

  address public governance;
  address public controller;

  constructor() {
    governance = msg.sender;
  }

  modifier onlyGovernance() {
    require(isGovernance(msg.sender), "Not governance");
    _;
  }

  function setGovernance(address _governance) public onlyGovernance {
    require(_governance != address(0), "new governance shouldn't be empty");
    governance = _governance;
  }

  function setController(address _controller) public onlyGovernance {
    require(_controller != address(0), "new controller shouldn't be empty");
    controller = _controller;
  }

  function isGovernance(address account) public view returns (bool) {
    return account == governance;
  }

  function isController(address account) public view returns (bool) {
    return account == controller;
  }
}
"
    },
    "contracts/base/interface/IERC4626.sol": {
      "content": "// SPDX-License-Identifier: MIT

pragma solidity 0.8.26;


interface IERC4626 {

    // ========================= Events =========================

    /**
     * Caller has exchanged assets for shares, and transferred those shares to owner.
     *
     * MUST be emitted when tokens are deposited into the Vault via the mint and deposit methods.
     */
    event Deposit(
        address indexed sender,
        address indexed receiver,
        uint256 assets,
        uint256 shares
    );

    /**
     * Caller has exchanged shares, owned by owner, for assets, and transferred those assets to receiver.
     *
     * MUST be emitted when shares are withdrawn from the Vault in ERC4626.redeem or ERC4626.withdraw methods.
     */
    event Withdraw(
        address indexed sender,
        address indexed receiver,
        address indexed owner,
        uint256 assets,
        uint256 shares
    );

    // ========================= Functions =========================

    /**
     * @return assetTokenAddress The address of the underlying token used for the Vault for accounting, depositing, and withdrawing.
     */
    function asset() external view returns (address assetTokenAddress);

    /**
     * @return  totalManagedAssets Total amount of the underlying asset that is “managed” by Vault. SHOULD include any compounding that
     *          occurs from yield. MUST be inclusive of any fees that are charged against assets in the Vault.
     */
    function totalAssets() external view returns (uint256 totalManagedAssets);

    /**
     * @return  assetsPerUnitShare The amount of underlying the Vault would exchange for 1 unit of shares, in an ideal scenario where all
     *          the conditions are met. MUST NOT be inclusive of any fees that are charged against assets in the Vault.
     *          MUST NOT show any variations depending on the caller. MUST NOT reflect slippage or other on-chain
     *          conditions, when performing the actual exchange. MUST NOT revert unless due to integer overflow caused
     *          by an unreasonably large input. MUST round down towards 0. This calculation MAY NOT reflect the
     *          “per-user” price-per-share, and instead should reflect the “average-user’s” price-per-share, meaning
     *          what the average user should expect to see when exchanging to and from. This function should normally
     *          return more than `10 ** underlying().decimals`.
     */
    function assetsPerShare() external view returns (uint256 assetsPerUnitShare);

    /**
     * @return  assets Total amount of the underlying asset that is “managed” by Vault for the `depositor`. SHOULD include any
     *          compounding that occurs from yield. MUST be inclusive of any fees that are charged against assets in the
     *          Vault.
     */
    function assetsOf(address depositor) external view returns (uint256 assets);

    /**
     * Maximum amount of the underlying asset that can be deposited into the Vault for the receiver, through a deposit
     * call. MUST return the maximum amount of assets deposit would allow to be deposited for receiver and not cause a
     * revert, which MUST NOT be higher than the actual maximum that would be accepted (it should underestimate if
     * necessary). This assumes that the user has infinite assets, i.e. MUST NOT rely on balanceOf of asset. MUST factor
     * in both global and user-specific limits, like if deposits are entirely disabled (even temporarily) it MUST return
     * 0. MUST return 2 ** 256 - 1 if there is no limit on the maximum amount of assets that may be deposited.
     */
    function maxDeposit(address caller) external view returns (uint256 maxAssets);

    /**
     * Allows an on-chain or off-chain user to simulate the effects of their deposit at the current block, given current
     * on-chain conditions.
     *
     * MUST return as close to and no more than the exact amount of Vault shares that would be
     * minted in a deposit call in the same transaction. I.e. deposit should return the same or more shares as
     * previewDeposit if called in the same transaction. MUST NOT account for deposit limits like those returned from
     * maxDeposit and should always act as though the deposit would be accepted, regardless if the user has enough
     * tokens approved, etc.
     *
     * MUST be inclusive of deposit fees. Integrators should be aware of the existence of deposit fees.
     *
     * MUST NOT revert due to vault specific user/global limits. MAY revert due to other conditions that would also
     * cause deposit to revert.
     *
     * Note that any unfavorable discrepancy between convertToShares and previewDeposit SHOULD be considered slippage in
     * share price or some other type of condition, meaning the depositor will lose assets by depositing.
     */
    function previewDeposit(uint256 assets) external view returns (uint256 shares);

    /**
     * Mints shares Vault shares to receiver by depositing exactly amount of underlying tokens.
     *
     * MUST emit the Deposit event.
     *
     * MUST support ERC-20 approve / transferFrom on asset as a deposit flow. MAY support an additional flow in which
     * the underlying tokens are owned by the Vault contract before the deposit execution, and are accounted for during
     * deposit.
     *
     * MUST revert if all of assets cannot be deposited (due to deposit limit being reached, slippage, the user not
     * approving enough underlying tokens to the Vault contract, etc).
     *
     * Note that most implementations will require pre-approval of the Vault with the Vault’s underlying asset token.
     */
    function deposit(uint256 assets, address receiver) external returns (uint256 shares);

    /**
     * Maximum amount of shares that can be minted from the Vault for the receiver, through a mint call.
     *
     * MUST return the maximum amount of shares mint would allow to be deposited to receiver and not cause a revert,
     * which MUST NOT be higher than the actual maximum that would be accepted (it should underestimate if necessary).
     * This assumes that the user has infinite assets, i.e. MUST NOT rely on balanceOf of asset.
     *
     * MUST factor in both global and user-specific limits, like if mints are entirely disabled (even temporarily) it
     * MUST return 0.
     *
     * MUST return 2 ** 256 - 1 if there is no limit on the maximum amount of shares that may be minted.
     */
    function maxMint(address caller) external view returns (uint256 maxShares);

    /**
     * Allows an on-chain or off-chain user to simulate the effects of their mint at the current block, given current
     * on-chain conditions.
     *
     * MUST return as close to and no fewer than the exact amount of assets that would be deposited in a mint call in
     * the same transaction. I.e. mint should return the same or fewer assets as previewMint if called in the same
     * transaction.
     *
     * MUST NOT account for mint limits like those returned from maxMint and should always act as though the mint would
     * be accepted, regardless if the user has enough tokens approved, etc.
     *
     * MUST be inclusive of deposit fees. Integrators should be aware of the existence of deposit fees.
     *
     * MUST NOT revert due to vault specific user/global limits. MAY revert due to other conditions that would also
     * cause mint to revert.
     *
     * Note that any unfavorable discrepancy between convertToAssets and previewMint SHOULD be considered slippage in
     * share price or some other type of condition, meaning the depositor will lose assets by minting.
     */
    function previewMint(uint256 shares) external view returns (uint256 assets);

    /**
     * Mints exactly shares Vault shares to receiver by depositing amount of underlying tokens.
     *
     * MUST emit the Deposit event.
     *
     * MUST support ERC-20 approve / transferFrom on asset as a mint flow. MAY support an additional flow in which the
     * underlying tokens are owned by the Vault contract before the mint execution, and are accounted for during mint.
     *
     * MUST revert if all of shares cannot be minted (due to deposit limit being reached, slippage, the user not
     * approving enough underlying tokens to the Vault contract, etc).
     *
     * Note that most implementations will require pre-approval of the Vault with the Vault’s underlying asset token.
     */
    function mint(uint256 shares, address receiver) external returns (uint256 assets);

    /**
     * Maximum amount of the underlying asset that can be withdrawn from the owner balance in the Vault, through a
     * withdraw call.
     *
     * MUST return the maximum amount of assets that could be transferred from owner through withdraw and not cause a
     * revert, which MUST NOT be higher than the actual maximum that would be accepted (it should underestimate if
     * necessary).
     *
     * MUST factor in both global and user-specific limits, like if withdrawals are entirely disabled (even temporarily)
     * it MUST return 0.
     */
    function maxWithdraw(address caller) external view returns (uint256 maxAssets);

    /**
     * Allows an on-chain or off-chain user to simulate the effects of their withdrawal at the current block, given
     * current on-chain conditions.
     *
     * MUST return as close to and no fewer than the exact amount of Vault shares that would be burned in a withdraw
     * call in the same transaction. I.e. withdraw should return the same or fewer shares as previewWithdraw if called
     * in the same transaction.
     *
     * MUST NOT account for withdrawal limits like those returned from maxWithdraw and should always act as though the
     * withdrawal would be accepted, regardless if the user has enough shares, etc.
     *
     * MUST be inclusive of withdrawal fees. Integrators should be aware of the existence of withdrawal fees.
     *
     * MUST NOT revert due to vault specific user/global limits. MAY revert due to other conditions that would also
     * cause withdraw to revert.
     *
     * Note that any unfavorable discrepancy between convertToShares and previewWithdraw SHOULD be considered slippage
     * in share price or some other type of condition, meaning the depositor will lose assets by depositing.
     */
    function previewWithdraw(uint256 assets) external view returns (uint256 shares);

    /**
     * Burns shares from owner and sends exactly assets of underlying tokens to receiver.
     *
     * MUST emit the Withdraw event.
     *
     * MUST support a withdraw flow where the shares are burned from owner directly where owner is msg.sender or
     * msg.sender has ERC-20 approval over the shares of owner. MAY support an additional flow in which the shares are
     * transferred to the Vault contract before the withdraw execution, and are accounted for during withdraw.
     *
     * MUST revert if all of assets cannot be withdrawn (due to withdrawal limit being reached, slippage, the owner not
     * having enough shares, etc).
     *
     * Note that some implementations will require pre-requesting to the Vault before a withdrawal may be performed.
     * Those methods should be performed separately.
     */
    function withdraw(uint256 assets, address receiver, address owner) external returns (uint256 shares);

    /**
     * Maximum amount of Vault shares that can be redeemed from the owner balance in the Vault, through a redeem call.
     *
     * MUST return the maximum amount of shares that could be transferred from owner through redeem and not cause a
     * revert, which MUST NOT be higher than the actual maximum that would be accepted (it should underestimate if
     * necessary).
     *
     * MUST factor in both global and user-specific limits, like if redemption is entirely disabled (even temporarily)
     * it MUST return 0.
     */
    function maxRedeem(address caller) external view returns (uint256 maxShares);

    /**
     * Allows an on-chain or off-chain user to simulate the effects of their redemption at the current block, given
     * current on-chain conditions.
     *
     * MUST return as close to and no more than the exact amount of assets that would be withdrawn in a redeem call in
     * the same transaction. I.e. redeem should return the same or more assets as previewRedeem if called in the same
     * transaction.
     *
     * MUST NOT account for redemption limits like those returned from maxRedeem and should always act as though the
     * redemption would be accepted, regardless if the user has enough shares, etc.
     *
     * MUST be inclusive of withdrawal fees. Integrators should be aware of the existence of withdrawal fees.
     *
     * MUST NOT revert due to vault specific user/global limits. MAY revert due to other conditions that would also
     * cause redeem to revert.
     *
     * Note that any unfavorable discrepancy between convertToAssets and previewRedeem SHOULD be considered slippage in
     * share price or some other type of condition, meaning the depositor will lose assets by redeeming.
     */
    function previewRedeem(uint256 shares) external view returns (uint256 assets);

    /**
     * Burns exactly shares from owner and sends assets of underlying tokens to receiver.
     *
     * MUST emit the Withdraw event.
     *
     * MUST support a redeem flow where the shares are burned from owner directly where owner is msg.sender or
     * msg.sender has ERC-20 approval over the shares of owner. MAY support an additional flow in which the shares are
     * transferred to the Vault contract before the redeem execution, and are accounted for during redeem.
     *
     * MUST revert if all of shares cannot be redeemed (due to withdrawal limit being reached, slippage, the owner not
     * having enough shares, etc).
     *
     * Note that some implementations will require pre-requesting to the Vault before a withdrawal may be performed.
     * Those methods should be performed separately.
     */
    function redeem(uint256 shares, address receiver, address owner) external returns (uint256 assets);

    function convertToAssets(uint256 shares) external view returns (uint256 assets);
    function convertToShares(uint256 assets) external view returns (uint256 shares);
}
"
    },
    "contracts/base/interface/IVault.sol": {
      "content": "// SPDX-License-Identifier: Unlicense
pragma solidity 0.8.26;

interface IVault {

    function initializeVault(
        address _storage,
        address _underlying,
        uint256 _toInvestNumerator,
        uint256 _toInvestDenominator
    ) external;

    function balanceOf(address _holder) external view returns (uint256);

    function underlyingBalanceInVault() external view returns (uint256);

    function underlyingBalanceWithInvestment() external view returns (uint256);

    function governance() external view returns (address);

    function controller() external view returns (address);

    function underlying() external view returns (address);

    function underlyingUnit() external view returns (uint);

    function strategy() external view returns (address);

    function setStrategy(address _strategy) external;

    function announceStrategyUpdate(address _strategy) external;

    function setVaultFractionToInvest(uint256 _numerator, uint256 _denominator) external;

    function deposit(uint256 _amount) external;
    function deposit(uint256 _amount, address _receiver) external;

    function depositFor(uint256 _amount, address _holder) external;

    function withdrawAll() external;

    function withdraw(uint256 _numberOfShares) external;

    function getPricePerFullShare() external view returns (uint256);

    function underlyingBalanceWithInvestmentForHolder(address _holder) view external returns (uint256);

    /**
     * The total amount available to be deposited from this vault into the strategy, while adhering to the
     * `vaultFractionToInvestNumerator` and `vaultFractionToInvestDenominator` rules
     */
    function availableToInvestOut() external view returns (uint256);

    /**
     * This should be callable only by the controller (by the hard worker) or by governance
     */
    function doHardWork() external;

    function decimals() external view returns (uint8);
}
"
    }
  },
  "settings": {
    "optimizer": {
      "enabled": true,
      "runs": 200
    },
    "evmVersion": "paris",
    "outputSelection": {
      "*": {
        "*": [
          "evm.bytecode",
          "evm.deployedBytecode",
          "devdoc",
          "userdoc",
          "metadata",
          "abi"
        ]
      }
    }
  }
}}

Tags:
ERC20, Proxy, Mintable, Yield, Voting, Upgradeable, Factory|addr:0x218b94dea1e3f60e50fcce55de6b1fdc6acc6f83|verified:true|block:23383025|tx:0x7f4f36b2bcc49a5625337974bdf56b0cc59960156b6c9c202a21c8af439e1147|first_check:1758118408

Submitted on: 2025-09-17 16:13:29

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