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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;

import {IVetoCouncil} from "@/interfaces/IVetoCouncil.sol";
import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";

/**
 * @dev Struct representing a holding of tokens in the HoldingContract.
 * @param amount The amount of tokens being held.
 * @param expirationTimestamp The timestamp at which the holding expires and can be withdrawn.
 */
struct Holding {
    uint192 amount;
    uint64 expirationTimestamp;
}

/**
 * @dev a helper type to organize claim holdings arguments
 * @param user the address of the user
 * @param token the address of the USDC token to withdraw
 */
struct ClaimHoldingArgs {
    address user;
    address token;
}

interface ISafetyDelay {
    function addHolding(address user, address token, uint192 amount) external;
    function holdings(address user, address token) external view returns (Holding memory);
    function claimHoldings(ClaimHoldingArgs[] memory args) external;
}

/**
 * @title SafetyDelay
 * @notice This contract is used to hold tokens for users
 *         - This contract holds all USDC tokens that are part of the protocol
 *         - Once farms withdraw, there is a 1 week delay before they can claim their tokens
 *         - The Miner Pool Contract assigns these holdings as part of the withdraw process
 *         - Veto Agents can delay all withdrawals by 13 weeks
 *         - A holding can be max delayed for 97 days
 */
contract SafetyDelay is ISafetyDelay {
    /* -------------------------------------------------------------------------- */
    /*                                   errors                                   */
    /* -------------------------------------------------------------------------- */
    error OnlyMinerPoolCanAddHoldings();
    error WithdrawalNotReady();
    error CallerMustBeVetoCouncilMember();
    error DelayStillOnCooldown();
    error NetworkIsFrozen();
    error AlreadyWithdrawnFromHolding();
    error MinerPoolAlreadySet();

    /* -------------------------------------------------------------------------- */
    /*                                  constants                                 */
    /* -------------------------------------------------------------------------- */
    /**
     * @notice the default delay for withdrawals
     * @dev the default delay is 7 days
     * Whenever a user withdraws from the miner pool,
     *       their funds are locked for 7 days
     */
    uint256 public constant DEFAULT_DELAY = uint256(7 days);

    /**
     * @dev 90 days in seconds
     */
    uint256 public constant NINETY_DAYS = uint256(90 days);

    /**
     * @notice the delay for withdrawals after the network is delayed
     * @dev the delay is 13 weeks
     * all withdrawals will be delayed for 13 weeks
     */
    uint256 public constant VETO_HOLDING_DELAY = uint256(13 weeks);

    /**
     * @dev a cached version of five weeks in seconds
     * @dev used in delayNetwork to ensure that the network can only be delayed every 5 weeks
     * @dev This helps prevent bad veto agents from spamming the delay network function
     *         - by giving governance enough time to kick out the veto agent
     */
    uint256 public constant FIVE_WEEKS = uint256(5 weeks);

    /* -------------------------------------------------------------e------------- */
    /*                                 immutables                                 */
    /* -------------------------------------------------------------------------- */
    /**
     * @notice the address of the veto council
     * @dev veto council members can delay the network
     */
    IVetoCouncil public immutable VETO_COUNCIL;

    /**
     * @notice the address of the miner pool
     * @dev this is the address that can add holdings to the contract
     */
    address public immutable MINER_POOL;

    /* -------------------------------------------------------------------------- */
    /*                                 state vars                                */
    /* -------------------------------------------------------------------------- */

    /**
     * @notice the minimum timestamp for withdrawals
     * @dev any claims below this timestamp will revert
     */
    uint256 public minimumWithdrawTimestamp;

    /* -------------------------------------------------------------------------- */
    /*                                   mappings                                  */
    /* -------------------------------------------------------------------------- */
    /**
     * @notice the holdings for each user
     *     Note: We could have chosen an array of holdings
     *     such that each withdraw truly is a FIFO queue with 1 week delay
     *     However, we chose to store all holdings in a single slot
     *     to avoid cold sstores and sloads
     *     The downside of this approach is that we can't have a FIFO queue
     *     and that any time a withdraw is made from the miner pool contract
     *     the user's holdings are locked for 7 days
     */
    mapping(address => mapping(address => Holding)) private _holdings;

    /* -------------------------------------------------------------------------- */
    /*                                   events                                  */
    /* -------------------------------------------------------------------------- */
    /**
     * @dev emitted when there is a network delay
     * @param vetoAgent the address of the veto agent that delayed the network
     * @param timestamp the timestamp at which the network was delayed
     */
    event NetworkDelay(address vetoAgent, uint256 timestamp);

    /**
     * @dev emitted whenever a holding is added to a user
     * @param user the address of the user
     * @param token the address of the USDC token
     * @param amount the amount of tokens added to the holding
     * @dev we dont emit a {HoldingClaimed} event since there may be a tax
     *     - on the token that will mess up the data.
     *     - we rely on catching transfer events
     */
    event HoldingAdded(address indexed user, address indexed token, uint192 amount);

    /*
        * @notice emitted when a user claims their holding
        * @param user the address of the user
        * @param token the address of the USDC token
        * @param amount the amount of tokens claimed
    */
    event HoldingClaimed(address indexed user, address indexed token, uint192 amount);

    /* -------------------------------------------------------------------------- */
    /*                                 constructor                                */
    /* -------------------------------------------------------------------------- */

    /**
     * @param _vetoCouncil the address of the veto council
     * @param _minerPool the address of the miner pool
     */
    constructor(address _vetoCouncil, address _minerPool) payable {
        VETO_COUNCIL = IVetoCouncil(_vetoCouncil);
        MINER_POOL = _minerPool;
    }

    /* -------------------------------------------------------------------------- */
    /*                                    delay                                   */
    /* -------------------------------------------------------------------------- */

    /**
     * @notice allows veto council members to delay the network by 13 weeks
     */
    function delayNetwork() external {
        if (!VETO_COUNCIL.isCouncilMember(msg.sender)) {
            _revert(CallerMustBeVetoCouncilMember.selector);
        }
        uint256 _minimumWithdrawTimestamp = minimumWithdrawTimestamp;
        if (_minimumWithdrawTimestamp == 0) {
            minimumWithdrawTimestamp = block.timestamp + VETO_HOLDING_DELAY;
            emit NetworkDelay(msg.sender, block.timestamp);
            return;
        }
        if (block.timestamp < _minimumWithdrawTimestamp) {
            //The block.timestamp needs to be within 5 weeks of
            //minimumWithdrawTimestamp
            uint256 timeLeftInDelay = _minimumWithdrawTimestamp - block.timestamp;
            if (timeLeftInDelay > FIVE_WEEKS) {
                _revert(DelayStillOnCooldown.selector);
            }
        }

        minimumWithdrawTimestamp = block.timestamp + VETO_HOLDING_DELAY;
        emit NetworkDelay(msg.sender, block.timestamp);
    }

    /* -------------------------------------------------------------------------- */
    /*                                   claim                                    */
    /* -------------------------------------------------------------------------- */

    /**
     * @notice entrypoint to claim holdings
     * @param args - an array of {ClaimHoldingArgs}
     * @dev this is a batch method to claim holdings
     *     - this is more gas efficient than calling claimHolding for each holding
     *     - the protocol may use a relayer to bundle claims
     */
    function claimHoldings(ClaimHoldingArgs[] memory args) external {
        //If the network is frozen, don't allow withdrawals
        bool networkIsFrozen = isNetworkFrozen();
        //Loop over all the arguments
        uint256 len = args.length;
        for (uint256 i; i < len;) {
            ClaimHoldingArgs memory arg = args[i];
            _claimHolding(arg.user, arg.token, networkIsFrozen);
            unchecked {
                ++i;
            }
        }
    }

    /**
     * @notice entrypoint to claim a single holding
     * @param user the address of the user
     * @param token the address of the USDC token to withdraw
     * @dev should be used if the user only wants to claim their holding
     */
    function claimHoldingSingleton(address user, address token) external {
        // If the network is frozen and timestamp since expiration is not more than 90 days, don't allow withdrawals
        bool networkIsFrozen = isNetworkFrozen();
        _claimHolding(user, token, networkIsFrozen);
    }

    /* -------------------------------------------------------------------------- */
    /*                                 add holdings                               */
    /* -------------------------------------------------------------------------- */

    /**
     * @notice an internal method to increment the amount in a holding
     * @param user the address of the user
     * @param token the address of the USDC token to withdraw
     * @param amount the amount of tokens to add to the holding
     */
    function addHolding(address user, address token, uint192 amount) external {
        if (msg.sender != MINER_POOL) {
            _revert(OnlyMinerPoolCanAddHoldings.selector);
        }
        _holdings[user][token].amount += amount;
        _holdings[user][token].expirationTimestamp = uint64(block.timestamp + DEFAULT_DELAY);
        emit HoldingAdded(user, token, amount);
    }

    /* -------------------------------------------------------------------------- */
    /*                                 view functions                             */
    /* -------------------------------------------------------------------------- */
    /**
     * @notice returns the Holding struct for a user and token pair
     * @param user the address of the user
     * @param token the address of the USDC token to withdraw
     * @return holding - the Holding struct
     */
    function holdings(address user, address token) external view returns (Holding memory) {
        return _holdings[user][token];
    }

    /**
     * @notice returns true if the network is frozen
     * @dev the network is frozen if the minimumWithdrawTimestamp is greater than the current block timestamp
     * @return isNetworkFrozen - true if the network is frozen
     */
    function isNetworkFrozen() public view returns (bool) {
        return block.timestamp < minimumWithdrawTimestamp;
    }

    /**
     * @dev checks if the holding is available to be withdrawn
     * @param holdingExpirationTimestamp the timestamp at which the holding expires
     * @param isNetworkFrozen whether or not the network is currently frozen
     * @dev - if the network is frozen, the holding can be withdrawn only if it's been more than 90 days past the expiration of the holding
     *      - if the network is not frozen, the holding can be withdrawn only if it's past the expiration date of the holding
     */
    function checkHoldingAvailable(uint64 holdingExpirationTimestamp, bool isNetworkFrozen) internal view {
        if (block.timestamp < holdingExpirationTimestamp) {
            _revert(WithdrawalNotReady.selector);
        }
        //Can't underflow because of the check above
        //No claim should be able to be held for more than 97 days
        //If it's been less than than 97 days since the proposal has expired,
        //(expiration timestamp is always claim timestamp + 1 week, so )
        //in order for proposal to be held maximum 97 days,
        //We need to check if the diff is 90 days
        if (block.timestamp - holdingExpirationTimestamp < NINETY_DAYS) {
            if (isNetworkFrozen) {
                _revert(NetworkIsFrozen.selector);
            }
        }
    }

    /* -------------------------------------------------------------------------- */
    /*                                   utils                                    */
    /* -------------------------------------------------------------------------- */

    /**
     * @dev an internal method to claim a holding
     * @param user the address of the user
     * @param token the address of the USDC token to withdraw
     * @param networkIsFrozen whether or not the network is currently frozen
     */
    function _claimHolding(address user, address token, bool networkIsFrozen) internal {
        Holding memory holding = _holdings[user][token];
        checkHoldingAvailable(holding.expirationTimestamp, networkIsFrozen);
        //Delete the holding args.
        //Should set all the data to zero.
        delete _holdings[user][token];
        //Add the amount to the amount to transfer
        SafeERC20.safeTransfer(IERC20(token), user, holding.amount);
        emit HoldingClaimed(user, token, holding.amount);
    }

    /**
     * @dev more efficient reverts
     * @param selector the selector of the error
     */

    function _revert(bytes4 selector) internal pure {
        // solhint-disable-next-line no-inline-assembly
        assembly {
            mstore(0, selector)
            revert(0, 4)
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;

interface IVetoCouncil {
    /* -------------------------------------------------------------------------- */
    /*                                   errors                                    */
    /* -------------------------------------------------------------------------- */
    error CallerNotGovernance();
    error NoRewards();
    error ZeroAddressInConstructor();
    error MaxCouncilMembersExceeded();

    /* -------------------------------------------------------------------------- */
    /*                                   events                                    */
    /* -------------------------------------------------------------------------- */

    /**
     * @param oldMember The address of the member to be slashed or removed
     * @param newMember The address of the new member (0 = no new member)
     * @param slashOldMember Whether to slash the member or not
     */
    event VetoCouncilSeatsEdited(address indexed oldMember, address indexed newMember, bool slashOldMember);

    /**
     * @dev emitted when a council member is paid out
     * @param account The address of the council member
     * @param amountNow The amount paid out now
     * @param amountToBeVested The amount to be vested
     */
    event CouncilMemberPayout(address indexed account, uint256 amountNow, uint256 amountToBeVested);
    /* -------------------------------------------------------------------------- */
    /*                                 state-changing                             */
    /* -------------------------------------------------------------------------- */
    /**
     * @notice Add or remove a council member
     * @param oldMember The address of the member to be slashed or removed
     * @param newMember The address of the new member (0 = no new member)
     * @param slashOldMember Whether to slash the member or not
     * @return - true if the council member was added or removed, false if nothing was done
     *                 - the function should return false if the new member is already a council member
     *                 - if the old member is not a council member, the function should return false
     *                 - if the old member is a council member and the new member is the same as the old member, the function should return false
     *                 - by adding a new member there would be more than 7 council members, the function should return false
     */

    function addAndRemoveCouncilMember(address oldMember, address newMember, bool slashOldMember)
        external
        returns (bool);

    /**
     * @notice Payout the council member
     * @param member The address of the council member
     * @param nonce The payout nonce to claim from
     * @param sync Whether to sync the vesting schedule or not
     * @param members The addresses of the council members that were active at `nonce`
     */
    function claimPayout(address member, uint256 nonce, bool sync, address[] memory members) external;

    /* -------------------------------------------------------------------------- */
    /*                                   view                                    */
    /* -------------------------------------------------------------------------- */
    /**
     * @notice returns true if the member is a council member
     * @param member The address of the member to be checked
     * @return - true if the member is a council member
     */
    function isCouncilMember(address member) external view returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../IERC20.sol";
import {IERC20Permit} from "../extensions/IERC20Permit.sol";
import {Address} from "../../../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 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 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);
        if (nonceAfter != nonceBefore + 1) {
            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).
     */
    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;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.20;

/**
 * @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);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/extensions/IERC20Permit.sol)

pragma solidity ^0.8.20;

/**
 * @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.
 */
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].
     */
    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);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)

pragma solidity ^0.8.20;

/**
 * @dev Collection of functions related to the address type
 */
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();
        }
    }
}

{
  "remappings": [
    "forge-std/=lib/forge-std/src/",
    "solmate/=lib/solmate/src/",
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "@/=src/",
    "@solady/=lib/solady/src/",
    "@unifapv2/=src/UnifapV2/",
    "clones/=lib/clones-with-immutable-args/src/",
    "@openzeppelin/=lib/openzeppelin-contracts/contracts/",
    "@clones/=lib/unifap-v2/lib/clones-with-immutable-args/src/",
    "@ds/=lib/unifap-v2/lib/ds-test/src/",
    "@solmate/=lib/unifap-v2/lib/solmate/src/",
    "@std/=lib/unifap-v2/lib/forge-std/src/",
    "abdk-libraries-solidity/=lib/abdk-libraries-solidity/",
    "clones-with-immutable-args/=lib/clones-with-immutable-args/src/",
    "clones/=lib/unifap-v2/lib/clones-with-immutable-args/src/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "solady/=lib/solady/",
    "unifap-v2/=lib/unifap-v2/src/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 1000000
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "paris",
  "libraries": {
    "src/libraries/HalfLife.sol": {
      "HalfLife": "0xcf4d7552ca9f07c474d69e89a88943fabb60b199"
    },
    "src/libraries/HalfLifeCarbonCreditAuction.sol": {
      "HalfLifeCarbonCreditAuction": "0xd178525026bafc51d045a2e98b0c79a526d446de"
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_vetoCouncil","type":"address"},{"internalType":"address","name":"_minerPool","type":"address"}],"stateMutability":"payable","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":"AlreadyWithdrawnFromHolding","type":"error"},{"inputs":[],"name":"CallerMustBeVetoCouncilMember","type":"error"},{"inputs":[],"name":"DelayStillOnCooldown","type":"error"},{"inputs":[],"name":"FailedInnerCall","type":"error"},{"inputs":[],"name":"MinerPoolAlreadySet","type":"error"},{"inputs":[],"name":"NetworkIsFrozen","type":"error"},{"inputs":[],"name":"OnlyMinerPoolCanAddHoldings","type":"error"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"SafeERC20FailedOperation","type":"error"},{"inputs":[],"name":"WithdrawalNotReady","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"uint192","name":"amount","type":"uint192"}],"name":"HoldingAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"uint192","name":"amount","type":"uint192"}],"name":"HoldingClaimed","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"vetoAgent","type":"address"},{"indexed":false,"internalType":"uint256","name":"timestamp","type":"uint256"}],"name":"NetworkDelay","type":"event"},{"inputs":[],"name":"DEFAULT_DELAY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"FIVE_WEEKS","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MINER_POOL","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"NINETY_DAYS","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"VETO_COUNCIL","outputs":[{"internalType":"contract IVetoCouncil","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"VETO_HOLDING_DELAY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"},{"internalType":"address","name":"token","type":"address"},{"internalType":"uint192","name":"amount","type":"uint192"}],"name":"addHolding","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"},{"internalType":"address","name":"token","type":"address"}],"name":"claimHoldingSingleton","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"user","type":"address"},{"internalType":"address","name":"token","type":"address"}],"internalType":"struct ClaimHoldingArgs[]","name":"args","type":"tuple[]"}],"name":"claimHoldings","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"delayNetwork","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"},{"internalType":"address","name":"token","type":"address"}],"name":"holdings","outputs":[{"components":[{"internalType":"uint192","name":"amount","type":"uint192"},{"internalType":"uint64","name":"expirationTimestamp","type":"uint64"}],"internalType":"struct Holding","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isNetworkFrozen","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"minimumWithdrawTimestamp","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}]

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000000000000000000000000a3a32d3c9a5a593bc35d69bacbe2df5ea2c3cf5c0000000000000000000000006fa8c7a89b22bf3212392b778905b12f3dbaf5c4

-----Decoded View---------------
Arg [0] : _vetoCouncil (address): 0xA3A32d3c9a5A593bc35D69BACbe2dF5Ea2C3cF5C
Arg [1] : _minerPool (address): 0x6Fa8C7a89b22bf3212392b778905B12f3dBAF5C4

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000a3a32d3c9a5a593bc35d69bacbe2df5ea2c3cf5c
Arg [1] : 0000000000000000000000006fa8c7a89b22bf3212392b778905b12f3dbaf5c4