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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.18;

import "@openzeppelin/contracts/access/AccessControl.sol";
import "./AttestationManager.sol";
import "./CoinDeploymentManager.sol";

/**
 * @title LogADog
 * @dev The worlds first onchain hotdog eating competition
 */
contract LogADog is AccessControl {
    // Role for operators who can act on behalf of users
    bytes32 public constant OPERATOR_ROLE = keccak256("OPERATOR_ROLE");
    
    // Platform referrer address (can be updated by owner)
    address public platformReferrer;
    // Attestation manager contract
    AttestationManager public attestationManager;
    // Coin deployment manager contract
    CoinDeploymentManager public coinDeploymentManager;
    
    struct HotdogLog {
        uint256 logId;
        string imageUri;
        string metadataUri;
        uint256 timestamp;
        address eater;
        address logger;
        address zoraCoin; // Address of the Zora coin created for this log
    }

    struct Attestation {
        address attestor;
        bool isValid;
    }

    HotdogLog[] public hotdogLogs;
    mapping(uint256 => Attestation[]) public attestations;
    mapping(uint256 => mapping(address => bool)) public hasAttested;

    event HotdogLogged(uint256 indexed logId, address indexed logger, address indexed eater, string imageUri, string metadataUri, uint256 timestamp, address zoraCoin);
    event AttestationMade(uint256 indexed logId, address indexed attestor, bool isValid);
    event HotdogLogRevoked(uint256 indexed logId, address indexed logger);
    event AttestationRevoked(uint256 indexed logId, address indexed attestor);
    event OperatorAdded(address indexed operator);
    event OperatorRemoved(address indexed operator);
    event DogValidityUpdated(uint256 indexed logId, address indexed eater, bool isValid, uint256 timestamp);


    modifier onlyLogOwner(uint256 logId) {
        require(hotdogLogs[logId].eater == msg.sender, "Caller is not the owner of this log");
        _;
    }

    modifier operatorOnly() {
        require(hasRole(OPERATOR_ROLE, msg.sender), "Caller is not an operator");
        _;
    }

    constructor(address _platformReferrer, address _attestationManager, address _coinDeploymentManager) {
        platformReferrer = _platformReferrer;
        attestationManager = AttestationManager(_attestationManager);
        coinDeploymentManager = CoinDeploymentManager(_coinDeploymentManager);
        _grantRole(DEFAULT_ADMIN_ROLE, msg.sender);
        _grantRole(OPERATOR_ROLE, 0x360E36BEFcC2DB9C45e411E5E4840FE33a8f21B0);
    }

    function setPlatformReferrer(address _platformReferrer) external onlyRole(DEFAULT_ADMIN_ROLE) {
        platformReferrer = _platformReferrer;
    }

    function setAttestationManager(address _attestationManager) external onlyRole(DEFAULT_ADMIN_ROLE) {
        attestationManager = AttestationManager(_attestationManager);
    }

    function setCoinDeploymentManager(address _coinDeploymentManager) external onlyRole(DEFAULT_ADMIN_ROLE) {
        coinDeploymentManager = CoinDeploymentManager(_coinDeploymentManager);
    }

    function addOperator(address operator) external onlyRole(DEFAULT_ADMIN_ROLE) {
        grantRole(OPERATOR_ROLE, operator);
        emit OperatorAdded(operator);
    }

    function removeOperator(address operator) external onlyRole(DEFAULT_ADMIN_ROLE) {
        revokeRole(OPERATOR_ROLE, operator);
        emit OperatorRemoved(operator);
    }

    /**
     * @notice Logs a hotdog with an image URI, metadata URI, and specified owner.
     */
    function logHotdog(string memory imageUri, string memory metadataUri, string memory coinUri, address eater, bytes calldata poolConfig) external payable returns (uint256 logId) {
        require(eater == msg.sender, "Can only log hotdogs for yourself");
        return _logHotdog(imageUri, metadataUri, coinUri, eater, poolConfig);
    }

    /**
     * @notice Logs a hotdog on behalf of another user (operator only)
     */
    function logHotdogOnBehalf(string memory imageUri, string memory metadataUri, string memory coinUri, address eater, bytes calldata poolConfig) external payable operatorOnly returns (uint256 logId) {
        return _logHotdog(imageUri, metadataUri, coinUri, eater, poolConfig);
    }

    function _logHotdog(string memory imageUri, string memory metadataUri, string memory coinUri, address eater, bytes calldata poolConfig) internal returns (uint256 logId) {
        logId = hotdogLogs.length;
        

        // Deploy coin using CoinDeploymentManager
        address coinAddress;
        if (address(coinDeploymentManager) != address(0)) {
            coinAddress = coinDeploymentManager.deployCoin{value: msg.value}(
                logId,
                eater,
                coinUri,
                poolConfig,
                platformReferrer
            );
        }

        // Log the dog
        hotdogLogs.push(HotdogLog({
            logId: logId,
            imageUri: imageUri,
            metadataUri: metadataUri,
            timestamp: block.timestamp,
            eater: eater,
            logger: msg.sender,
            zoraCoin: coinAddress
        }));

        // Start attestation period if attestation manager is set
        if (address(attestationManager) != address(0)) {
            attestationManager.startAttestationPeriod(logId);
        }

        emit HotdogLogged(logId, msg.sender, eater, imageUri, metadataUri, block.timestamp, coinAddress);
    }

    /**
     * @notice Attests to the validity of a hotdog log using the new staking system
     */
    function attestHotdogLog(uint256 /* logId */, bool /* isValid */, uint256 /* stakeAmount */) external pure {
        revert("Please call attestToLog directly on the AttestationManager contract");
    }

    /**
     * @notice Attests to the validity of a hotdog log on behalf of another user (operator only)
     */
    function attestHotdogLogOnBehalf(uint256 logId, address attestor, bool isValid) external operatorOnly {
        require(hotdogLogs[logId].eater != attestor, "Cannot attest to own log");
        _attestHotdogLog(logId, attestor, isValid);
    }

    /**
     * @notice Resolve an attestation period after it has ended
     */
    function resolveAttestationPeriod(uint256 logId) external {
        require(address(attestationManager) != address(0), "Attestation manager not set");
        attestationManager.resolveAttestationPeriod(logId);
    }

    function _attestHotdogLog(uint256 logId, address attestor, bool isValid) internal {
        bool attestationFound = false;
        for (uint256 i = 0; i < attestations[logId].length; i++) {
            if (attestations[logId][i].attestor == attestor) {
                if (attestations[logId][i].isValid != isValid) {
                    attestations[logId][i].isValid = isValid;
                    emit AttestationMade(logId, attestor, isValid);
                }
                attestationFound = true;
                break;
            }
        }

        if (!attestationFound) {
            attestations[logId].push(Attestation({attestor: attestor, isValid: isValid}));
            hasAttested[logId][attestor] = true;
            emit AttestationMade(logId, attestor, isValid);
        }
    }

    /**
     * @notice Revokes a hotdog log.
     */
    function revokeHotdogLog(uint256 logId) external onlyLogOwner(logId) {
        delete hotdogLogs[logId];
        emit HotdogLogRevoked(logId, msg.sender);
    }

    /**
     * @notice Revokes a hotdog log on behalf of another user (operator only)
     */
    function revokeHotdogLogOnBehalf(uint256 logId, address owner) external operatorOnly {
        require(hotdogLogs[logId].eater == owner, "Target is not the owner of this log");
        delete hotdogLogs[logId];
        emit HotdogLogRevoked(logId, owner);
    }

    /**
     * @notice Revokes an attestation to a hotdog log.
     */
    function revokeAttestation(uint256 logId) external {
        require(hasAttested[logId][msg.sender], "Caller has not attested to this log");
        _revokeAttestation(logId, msg.sender);
    }

    /**
     * @notice Revokes an attestation on behalf of another user (operator only)
     */
    function revokeAttestationOnBehalf(uint256 logId, address attestor) external operatorOnly {
        require(hasAttested[logId][attestor], "Target has not attested to this log");
        _revokeAttestation(logId, attestor);
    }

    function _revokeAttestation(uint256 logId, address attestor) internal {
        uint256 index = _findAttestationIndex(logId, attestor);
        _removeAttestation(logId, index);
        hasAttested[logId][attestor] = false;
        emit AttestationRevoked(logId, attestor);
    }

    /**
     * @notice Gets basic info about hotdog logs (simplified version)
     */
    function getHotdogLogsCount() external view returns (uint256) {
        return hotdogLogs.length;
    }

    /**
     * @notice Gets a single hotdog log by ID
     */
    function getHotdogLog(uint256 logId) external view returns (HotdogLog memory log, uint256 validCount, uint256 invalidCount) {
        require(logId < hotdogLogs.length, "Log does not exist");
        log = hotdogLogs[logId];
        (validCount, invalidCount) = _countAttestations(logId);
    }

    /**
     * @notice Gets all hotdog logs logged by a specific user (simplified)
     */
    function getUserHotdogLogCount(address user) external view returns (uint256 count) {
        for (uint256 i = 0; i < hotdogLogs.length; i++) {
            if (hotdogLogs[i].eater == user) {
                count++;
            }
        }
    }

    /**
     * @notice Gets a range of hotdog logs (basic pagination)
     */
    function getHotdogLogsRange(uint256 start, uint256 limit) external view returns (HotdogLog[] memory logs) {
        require(start < hotdogLogs.length, "Start index out of bounds");
        
        uint256 end = start + limit;
        if (end > hotdogLogs.length) {
            end = hotdogLogs.length;
        }
        
        logs = new HotdogLog[](end - start);
        for (uint256 i = start; i < end; i++) {
            logs[i - start] = hotdogLogs[i];
        }
    }

    /**
     * @notice Gets paginated hotdog logs submitted between the specified start and end times along with attestation counts and user attestation status.
     * @param startTime The start time for the query.
     * @param endTime The end time for the query.
     * @param user The address of the user to check for attestations.
     * @param start The starting index for pagination.
     * @param limit The maximum number of logs to return.
     * @return logs An array of hotdog logs submitted between the specified times.
     * @return validCounts An array of valid attestation counts corresponding to each log.
     * @return invalidCounts An array of invalid attestation counts corresponding to each log.
     * @return userHasAttested An array indicating whether the user has attested to each log.
     * @return userAttestations An array indicating the value of the user's attestation for each log.
     */
    function getHotdogLogs(uint256 startTime, uint256 endTime, address user, uint256 start, uint256 limit) external view returns (HotdogLog[] memory logs, uint256[] memory validCounts, uint256[] memory invalidCounts, bool[] memory userHasAttested, bool[] memory userAttestations) {
        uint256 totalLogs = 0;
        for (uint256 i = 0; i < hotdogLogs.length; i++) {
            if (hotdogLogs[i].timestamp >= startTime && hotdogLogs[i].timestamp <= endTime) {
                totalLogs++;
            }
        }

        uint256 resultCount = totalLogs > start ? totalLogs - start : 0;
        resultCount = resultCount > limit ? limit : resultCount;

        logs = new HotdogLog[](resultCount);
        validCounts = new uint256[](resultCount);
        invalidCounts = new uint256[](resultCount);
        userHasAttested = new bool[](resultCount);
        userAttestations = new bool[](resultCount);

        uint256 index = 0;
        uint256 skipped = 0;
        for (uint256 i = hotdogLogs.length; i > 0 && index < resultCount; i--) {
            if (hotdogLogs[i - 1].timestamp >= startTime && hotdogLogs[i - 1].timestamp <= endTime) {
                if (skipped >= start) {
                    logs[index] = hotdogLogs[i - 1];
                    (validCounts[index], invalidCounts[index]) = _countAttestations(i - 1);
                    userHasAttested[index] = hasAttested[i - 1][user];
                    if (userHasAttested[index]) {
                        userAttestations[index] = _getUserAttestation(i - 1, user);
                    }
                    index++;
                } else {
                    skipped++;
                }
            }
        }
    }

    /**
     * @notice Gets the total number of pages for hotdog logs within the specified time range.
     * @param startTime The start time for the query.
     * @param endTime The end time for the query.
     * @param pageSize The number of logs per page.
     * @return totalPages The total number of pages.
     */
    function getTotalPagesForLogs(uint256 startTime, uint256 endTime, uint256 pageSize) external view returns (uint256 totalPages) {
        uint256 totalLogs = 0;
        for (uint256 i = 0; i < hotdogLogs.length; i++) {
            if (hotdogLogs[i].timestamp >= startTime && hotdogLogs[i].timestamp <= endTime) {
                totalLogs++;
            }
        }
        totalPages = (totalLogs + pageSize - 1) / pageSize; // Round up division
    }

    function _getUserAttestation(uint256 logId, address user) internal view returns (bool) {
        for (uint256 i = 0; i < attestations[logId].length; i++) {
            if (attestations[logId][i].attestor == user) {
                return attestations[logId][i].isValid;
            }
        }
        revert("User attestation not found");
    }

    function _findAttestationIndex(uint256 logId, address attestor) internal view returns (uint256 index) {
        for (uint256 i = 0; i < attestations[logId].length; i++) {
            if (attestations[logId][i].attestor == attestor) {
                return i;
            }
        }
        revert("Attestation not found");
    }

    function _removeAttestation(uint256 logId, uint256 index) internal {
        uint256 lastIndex = attestations[logId].length - 1;
        if (index != lastIndex) {
            attestations[logId][index] = attestations[logId][lastIndex];
        }
        attestations[logId].pop();
    }

    function _isValidLog(uint256 logId) internal view returns (bool) {
        // Check if attestation manager is set and has resolved this log
        if (address(attestationManager) != address(0)) {
            (,, AttestationManager.AttestationStatus status,,, bool isValid,) = attestationManager.getAttestationPeriod(logId);
            if (status == AttestationManager.AttestationStatus.Resolved) {
                return isValid;
            }
        }
        
        // Fallback to old attestation system
        (uint256 validCount, uint256 invalidCount) = _countAttestations(logId);
        return validCount >= invalidCount;
    }

    function _countAttestations(uint256 logId) internal view returns (uint256 validCount, uint256 invalidCount) {
        for (uint256 i = 0; i < attestations[logId].length; i++) {
            if (attestations[logId][i].isValid) {
                validCount++;
            } else {
                invalidCount++;
            }
        }
    }

    function getAttestationCount(uint256 logId) external view returns (uint256) {
        return attestations[logId].length;
    }

    /**
     * @notice Gets dogs logged within a time range with their attestation status
     * @param startTime The start time for the query
     * @param endTime The end time for the query
     * @param offset The starting index for pagination
     * @param limit The maximum number of logs to return
     * @return logIds Array of log IDs
     * @return eaters Array of eater addresses
     * @return timestamps Array of log timestamps
     * @return hasAttestationEnded Array indicating if attestation window has ended
     * @return isValid Array indicating if log is valid (only meaningful if attestation ended)
     */
    function getDogsInTimeRange(
        uint256 startTime,
        uint256 endTime,
        uint256 offset,
        uint256 limit
    ) external view returns (
        uint256[] memory logIds,
        address[] memory eaters,
        uint256[] memory timestamps,
        bool[] memory hasAttestationEnded,
        bool[] memory isValid
    ) {
        // Count logs in range
        uint256 totalInRange = 0;
        for (uint256 i = 0; i < hotdogLogs.length; i++) {
            if (hotdogLogs[i].timestamp >= startTime && hotdogLogs[i].timestamp <= endTime) {
                totalInRange++;
            }
        }

        // Calculate actual return size
        uint256 returnSize = totalInRange > offset ? totalInRange - offset : 0;
        returnSize = returnSize > limit ? limit : returnSize;

        // Initialize arrays
        logIds = new uint256[](returnSize);
        eaters = new address[](returnSize);
        timestamps = new uint256[](returnSize);
        hasAttestationEnded = new bool[](returnSize);
        isValid = new bool[](returnSize);

        // Populate arrays
        uint256 index = 0;
        uint256 skipped = 0;
        for (uint256 i = 0; i < hotdogLogs.length && index < returnSize; i++) {
            if (hotdogLogs[i].timestamp >= startTime && hotdogLogs[i].timestamp <= endTime) {
                if (skipped >= offset) {
                    logIds[index] = i;
                    eaters[index] = hotdogLogs[i].eater;
                    timestamps[index] = hotdogLogs[i].timestamp;
                    
                    // Check attestation status
                    if (address(attestationManager) != address(0)) {
                        (, uint256 attestationEndTime, AttestationManager.AttestationStatus status,,, bool logIsValid,) = 
                            attestationManager.getAttestationPeriod(i);
                        hasAttestationEnded[index] = (block.timestamp > attestationEndTime) || 
                                                    (status == AttestationManager.AttestationStatus.Resolved);
                        isValid[index] = logIsValid;
                    } else {
                        // Fallback to old system
                        hasAttestationEnded[index] = true;
                        isValid[index] = _isValidLog(i);
                    }
                    
                    index++;
                } else {
                    skipped++;
                }
            }
        }
    }

    /**
     * @notice Emit validity update event for a resolved log (admin only)
     * @param logId The ID of the hotdog log
     */
    function emitValidityUpdate(uint256 logId) external onlyRole(DEFAULT_ADMIN_ROLE) {
        require(logId < hotdogLogs.length, "Log does not exist");
        bool isValid = _isValidLog(logId);
        emit DogValidityUpdated(logId, hotdogLogs[logId].eater, isValid, block.timestamp);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.3.0) (access/AccessControl.sol)

pragma solidity ^0.8.20;

import {IAccessControl} from "./IAccessControl.sol";
import {Context} from "../utils/Context.sol";
import {ERC165} from "../utils/introspection/ERC165.sol";

/**
 * @dev Contract module that allows children to implement role-based access
 * control mechanisms. This is a lightweight version that doesn't allow enumerating role
 * members except through off-chain means by accessing the contract event logs. Some
 * applications may benefit from on-chain enumerability, for those cases see
 * {AccessControlEnumerable}.
 *
 * Roles are referred to by their `bytes32` identifier. These should be exposed
 * in the external API and be unique. The best way to achieve this is by
 * using `public constant` hash digests:
 *
 * ```solidity
 * bytes32 public constant MY_ROLE = keccak256("MY_ROLE");
 * ```
 *
 * Roles can be used to represent a set of permissions. To restrict access to a
 * function call, use {hasRole}:
 *
 * ```solidity
 * function foo() public {
 *     require(hasRole(MY_ROLE, msg.sender));
 *     ...
 * }
 * ```
 *
 * Roles can be granted and revoked dynamically via the {grantRole} and
 * {revokeRole} functions. Each role has an associated admin role, and only
 * accounts that have a role's admin role can call {grantRole} and {revokeRole}.
 *
 * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means
 * that only accounts with this role will be able to grant or revoke other
 * roles. More complex role relationships can be created by using
 * {_setRoleAdmin}.
 *
 * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to
 * grant and revoke this role. Extra precautions should be taken to secure
 * accounts that have been granted it. We recommend using {AccessControlDefaultAdminRules}
 * to enforce additional security measures for this role.
 */
abstract contract AccessControl is Context, IAccessControl, ERC165 {
    struct RoleData {
        mapping(address account => bool) hasRole;
        bytes32 adminRole;
    }

    mapping(bytes32 role => RoleData) private _roles;

    bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;

    /**
     * @dev Modifier that checks that an account has a specific role. Reverts
     * with an {AccessControlUnauthorizedAccount} error including the required role.
     */
    modifier onlyRole(bytes32 role) {
        _checkRole(role);
        _;
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IAccessControl).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) public view virtual returns (bool) {
        return _roles[role].hasRole[account];
    }

    /**
     * @dev Reverts with an {AccessControlUnauthorizedAccount} error if `_msgSender()`
     * is missing `role`. Overriding this function changes the behavior of the {onlyRole} modifier.
     */
    function _checkRole(bytes32 role) internal view virtual {
        _checkRole(role, _msgSender());
    }

    /**
     * @dev Reverts with an {AccessControlUnauthorizedAccount} error if `account`
     * is missing `role`.
     */
    function _checkRole(bytes32 role, address account) internal view virtual {
        if (!hasRole(role, account)) {
            revert AccessControlUnauthorizedAccount(account, role);
        }
    }

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) public view virtual returns (bytes32) {
        return _roles[role].adminRole;
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     *
     * May emit a {RoleGranted} event.
     */
    function grantRole(bytes32 role, address account) public virtual onlyRole(getRoleAdmin(role)) {
        _grantRole(role, account);
    }

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     *
     * May emit a {RoleRevoked} event.
     */
    function revokeRole(bytes32 role, address account) public virtual onlyRole(getRoleAdmin(role)) {
        _revokeRole(role, account);
    }

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been revoked `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `callerConfirmation`.
     *
     * May emit a {RoleRevoked} event.
     */
    function renounceRole(bytes32 role, address callerConfirmation) public virtual {
        if (callerConfirmation != _msgSender()) {
            revert AccessControlBadConfirmation();
        }

        _revokeRole(role, callerConfirmation);
    }

    /**
     * @dev Sets `adminRole` as ``role``'s admin role.
     *
     * Emits a {RoleAdminChanged} event.
     */
    function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
        bytes32 previousAdminRole = getRoleAdmin(role);
        _roles[role].adminRole = adminRole;
        emit RoleAdminChanged(role, previousAdminRole, adminRole);
    }

    /**
     * @dev Attempts to grant `role` to `account` and returns a boolean indicating if `role` was granted.
     *
     * Internal function without access restriction.
     *
     * May emit a {RoleGranted} event.
     */
    function _grantRole(bytes32 role, address account) internal virtual returns (bool) {
        if (!hasRole(role, account)) {
            _roles[role].hasRole[account] = true;
            emit RoleGranted(role, account, _msgSender());
            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Attempts to revoke `role` from `account` and returns a boolean indicating if `role` was revoked.
     *
     * Internal function without access restriction.
     *
     * May emit a {RoleRevoked} event.
     */
    function _revokeRole(bytes32 role, address account) internal virtual returns (bool) {
        if (hasRole(role, account)) {
            _roles[role].hasRole[account] = false;
            emit RoleRevoked(role, account, _msgSender());
            return true;
        } else {
            return false;
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.18;

import "@openzeppelin/contracts/access/AccessControl.sol";
import "@openzeppelin/contracts/utils/ReentrancyGuard.sol";
import "./HotdogStaking.sol";

interface ILogADog {
    function hotdogLogs(uint256 logId) external view returns (
        uint256 id,
        string memory imageUri,
        string memory metadataUri,
        uint256 timestamp,
        address eater,
        address logger,
        address zoraCoin
    );
    function hasRole(bytes32 role, address account) external view returns (bool);
    function OPERATOR_ROLE() external view returns (bytes32);
}

/**
 * @title AttestationManager
 * @dev Manages attestation periods, voting, and dispute resolution for hotdog logs
 */
contract AttestationManager is AccessControl, ReentrancyGuard {
    bytes32 public constant LOG_MANAGER_ROLE = keccak256("LOG_MANAGER_ROLE");
    
    HotdogStaking public immutable stakingContract;
    ILogADog public logADogContract;
    
    // Attestation parameters
    uint256 public constant ATTESTATION_WINDOW = 48 hours;
    uint256 public constant MINIMUM_ATTESTATION_STAKE = 30000 * 10**18; // 30,000 HOTDOG
    uint256 public constant SLASH_PERCENTAGE = 15; // 15% of staked amount
    
    enum AttestationStatus {
        Active,
        Resolved,
        Disputed
    }
    
    struct AttestationPeriod {
        uint256 logId;
        uint256 startTime;
        uint256 endTime;
        AttestationStatus status;
        uint256 totalValidStake;
        uint256 totalInvalidStake;
        address[] validAttestors;
        address[] invalidAttestors;
        mapping(address => uint256) attestorStakes;
        mapping(address => bool) hasAttested;
        bool isValid; // Final result
        uint256 resolvedAt; // Timestamp when period was resolved
    }
    
    mapping(uint256 => AttestationPeriod) public attestationPeriods;
    mapping(address => uint256[]) public userAttestations; // Track user's active attestations
    mapping(address => mapping(uint256 => bool)) public userAttestationChoices; // Track user's attestation choices (valid/invalid)
    
    event AttestationPeriodStarted(uint256 indexed logId, uint256 startTime, uint256 endTime);
    event AttestationMade(uint256 indexed logId, address indexed attestor, bool isValid, uint256 stakeAmount);
    event AttestationPeriodResolved(uint256 indexed logId, bool isValid, uint256 totalValidStake, uint256 totalInvalidStake);
    event RewardsDistributed(uint256 indexed logId, address[] winners, uint256[] amounts);
    event TokensSlashed(uint256 indexed logId, address[] losers, uint256[] amounts);
    
    constructor(address _stakingContract) {
        stakingContract = HotdogStaking(_stakingContract);
        _grantRole(DEFAULT_ADMIN_ROLE, msg.sender);
    }

    /**
     * @notice Set the LogADog contract address
     * @param _logADogContract Address of the LogADog contract
     */
    function setLogADogContract(address _logADogContract) external onlyRole(DEFAULT_ADMIN_ROLE) {
        logADogContract = ILogADog(_logADogContract);
    }
    
    /**
     * @notice Start an attestation period for a hotdog log
     * @param logId The ID of the hotdog log
     */
    function startAttestationPeriod(uint256 logId) external onlyRole(LOG_MANAGER_ROLE) {
        require(attestationPeriods[logId].startTime == 0, "Attestation period already exists");
        
        AttestationPeriod storage period = attestationPeriods[logId];
        period.logId = logId;
        period.startTime = block.timestamp;
        period.endTime = block.timestamp + ATTESTATION_WINDOW;
        period.status = AttestationStatus.Active;
        
        emit AttestationPeriodStarted(logId, period.startTime, period.endTime);
    }
    
    /**
     * @notice Attest to a hotdog log's validity
     * @param logId The ID of the hotdog log
     * @param isValid Whether the log is valid
     * @param stakeAmount Amount of tokens to stake on this attestation
     */
    function attestToLog(uint256 logId, bool isValid, uint256 stakeAmount) external nonReentrant {
        AttestationPeriod storage period = attestationPeriods[logId];
        require(period.startTime > 0, "Attestation period does not exist");
        require(block.timestamp <= period.endTime, "Attestation period has ended");
        require(period.status == AttestationStatus.Active, "Attestation period not active");
        require(!period.hasAttested[msg.sender], "Already attested to this log");
        require(stakeAmount >= MINIMUM_ATTESTATION_STAKE, "Stake amount too low");
        
        // Check that user is not attesting to their own log
        if (address(logADogContract) != address(0)) {
            (,,,, address eater,,) = logADogContract.hotdogLogs(logId);
            require(eater != msg.sender, "Cannot attest to your own log");
        }
        
        // Check if user has enough available stake
        require(stakingContract.canParticipateInAttestation(msg.sender, stakeAmount), "Insufficient available stake");
        
        // Lock tokens for this attestation
        stakingContract.lockTokensForAttestation(msg.sender, stakeAmount);
        
        // Record attestation
        period.hasAttested[msg.sender] = true;
        period.attestorStakes[msg.sender] = stakeAmount;
        
        if (isValid) {
            period.validAttestors.push(msg.sender);
            period.totalValidStake += stakeAmount;
        } else {
            period.invalidAttestors.push(msg.sender);
            period.totalInvalidStake += stakeAmount;
        }
        
        // Track user's attestations
        userAttestations[msg.sender].push(logId);
        userAttestationChoices[msg.sender][logId] = isValid;
        
        emit AttestationMade(logId, msg.sender, isValid, stakeAmount);
    }
    
    /**
     * @notice Attest to a hotdog log's validity on behalf of another user (operator only)
     * @param logId The ID of the hotdog log
     * @param attestor The address of the user making the attestation
     * @param isValid Whether the log is valid
     * @param stakeAmount Amount of tokens to stake on this attestation
     */
    function attestToLogOnBehalf(uint256 logId, address attestor, bool isValid, uint256 stakeAmount) external nonReentrant {
        // Check if caller has operator role in LogADog contract
        require(address(logADogContract) != address(0), "LogADog contract not set");
        require(logADogContract.hasRole(logADogContract.OPERATOR_ROLE(), msg.sender), "Caller is not an operator");
        
        AttestationPeriod storage period = attestationPeriods[logId];
        require(period.startTime > 0, "Attestation period does not exist");
        require(block.timestamp <= period.endTime, "Attestation period has ended");
        require(period.status == AttestationStatus.Active, "Attestation period not active");
        require(!period.hasAttested[attestor], "User has already attested to this log");
        require(stakeAmount >= MINIMUM_ATTESTATION_STAKE, "Stake amount too low");
        
        // Check that user is not attesting to their own log
        (,,,, address eater,,) = logADogContract.hotdogLogs(logId);
        require(eater != attestor, "Cannot attest to your own log");
        
        // Check if user has enough available stake
        require(stakingContract.canParticipateInAttestation(attestor, stakeAmount), "Insufficient available stake");
        
        // Lock tokens for this attestation (from the attestor's account)
        stakingContract.lockTokensForAttestation(attestor, stakeAmount);
        
        // Record attestation
        period.hasAttested[attestor] = true;
        period.attestorStakes[attestor] = stakeAmount;
        
        if (isValid) {
            period.validAttestors.push(attestor);
            period.totalValidStake += stakeAmount;
        } else {
            period.invalidAttestors.push(attestor);
            period.totalInvalidStake += stakeAmount;
        }
        
        // Track user's attestations
        userAttestations[attestor].push(logId);
        userAttestationChoices[attestor][logId] = isValid;
        
        emit AttestationMade(logId, attestor, isValid, stakeAmount);
    }
    
    /**
     * @notice Resolve an attestation period after it has ended
     * @param logId The ID of the hotdog log
     */
    function resolveAttestationPeriod(uint256 logId) external nonReentrant {
        AttestationPeriod storage period = attestationPeriods[logId];
        require(period.startTime > 0, "Attestation period does not exist");
        require(block.timestamp > period.endTime, "Attestation period still active");
        require(period.status == AttestationStatus.Active, "Already resolved");
        
        // Determine the winning side
        bool logIsValid = period.totalValidStake >= period.totalInvalidStake;
        period.isValid = logIsValid;
        period.status = AttestationStatus.Resolved;
        
        // Calculate rewards and slashing
        address[] memory winners = logIsValid ? period.validAttestors : period.invalidAttestors;
        address[] memory losers = logIsValid ? period.invalidAttestors : period.validAttestors;
        uint256 totalWinningStake = logIsValid ? period.totalValidStake : period.totalInvalidStake;
        uint256 totalLosingStake = logIsValid ? period.totalInvalidStake : period.totalValidStake;
        
        // Slash losers and calculate total slashed amount
        uint256 totalSlashed = 0;
        uint256[] memory slashedAmounts = new uint256[](losers.length);
        
        for (uint256 i = 0; i < losers.length; i++) {
            address loser = losers[i];
            uint256 stakeAmount = period.attestorStakes[loser];
            uint256 slashAmount = (stakeAmount * SLASH_PERCENTAGE) / 100;
            
            stakingContract.slashTokens(loser, slashAmount);
            stakingContract.unlockTokensFromAttestation(loser, stakeAmount - slashAmount);
            
            slashedAmounts[i] = slashAmount;
            totalSlashed += slashAmount;
        }
        
        // Distribute rewards to winners
        uint256[] memory rewardAmounts = new uint256[](winners.length);
        
        if (winners.length > 0 && totalSlashed > 0) {
            for (uint256 i = 0; i < winners.length; i++) {
                address winner = winners[i];
                uint256 stakeAmount = period.attestorStakes[winner];
                
                // Proportional reward based on stake
                uint256 rewardAmount = (totalSlashed * stakeAmount) / totalWinningStake;
                rewardAmounts[i] = rewardAmount;
                
                // Unlock their original stake
                stakingContract.unlockTokensFromAttestation(winner, stakeAmount);
            }
            
            // Distribute rewards
            stakingContract.distributeAttestationRewards(winners, rewardAmounts);
            emit RewardsDistributed(logId, winners, rewardAmounts);
        } else {
            // If no winners, just unlock everyone's stake
            for (uint256 i = 0; i < winners.length; i++) {
                address winner = winners[i];
                uint256 stakeAmount = period.attestorStakes[winner];
                stakingContract.unlockTokensFromAttestation(winner, stakeAmount);
            }
        }
        
        if (losers.length > 0) {
            emit TokensSlashed(logId, losers, slashedAmounts);
        }
        
        period.resolvedAt = block.timestamp;
        emit AttestationPeriodResolved(logId, logIsValid, period.totalValidStake, period.totalInvalidStake);
    }
    
    /**
     * @notice Get attestation period info
     * @param logId The ID of the hotdog log
     * @return startTime Start time of attestation period
     * @return endTime End time of attestation period
     * @return status Current status
     * @return totalValidStake Total stake on valid side
     * @return totalInvalidStake Total stake on invalid side
     * @return isValid Final result (only valid after resolution)
     * @return resolvedAt Timestamp when period was resolved (0 if not resolved)
     */
    function getAttestationPeriod(uint256 logId) external view returns (
        uint256 startTime,
        uint256 endTime,
        AttestationStatus status,
        uint256 totalValidStake,
        uint256 totalInvalidStake,
        bool isValid,
        uint256 resolvedAt
    ) {
        AttestationPeriod storage period = attestationPeriods[logId];
        return (
            period.startTime,
            period.endTime,
            period.status,
            period.totalValidStake,
            period.totalInvalidStake,
            period.isValid,
            period.resolvedAt
        );
    }
    
    /**
     * @notice Check if user has attested to a log
     * @param logId The ID of the hotdog log
     * @param user User address
     * @return Whether user has attested
     */
    function hasUserAttested(uint256 logId, address user) external view returns (bool) {
        return attestationPeriods[logId].hasAttested[user];
    }
    
    /**
     * @notice Get user's stake in an attestation
     * @param logId The ID of the hotdog log
     * @param user User address
     * @return Stake amount
     */
    function getUserStakeInAttestation(uint256 logId, address user) external view returns (uint256) {
        return attestationPeriods[logId].attestorStakes[user];
    }
    
    /**
     * @notice Get all attestors for a log
     * @param logId The ID of the hotdog log
     * @return validAttestors Array of valid attestors
     * @return invalidAttestors Array of invalid attestors
     */
    function getAttestors(uint256 logId) external view returns (address[] memory validAttestors, address[] memory invalidAttestors) {
        AttestationPeriod storage period = attestationPeriods[logId];
        return (period.validAttestors, period.invalidAttestors);
    }
    
    /**
     * @notice Get user's active attestations
     * @param user User address
     * @return Array of log IDs user has attested to
     */
    function getUserAttestations(address user) external view returns (uint256[] memory) {
        return userAttestations[user];
    }
    
    /**
     * @notice Get user's attestations with their choices
     * @param user User address
     * @return logIds Array of log IDs user has attested to
     * @return choices Array of attestation choices (true = valid, false = invalid)
     */
    function getUserAttestationsWithChoices(address user) external view returns (uint256[] memory logIds, bool[] memory choices) {
        uint256[] memory userLogIds = userAttestations[user];
        bool[] memory userChoices = new bool[](userLogIds.length);
        
        for (uint256 i = 0; i < userLogIds.length; i++) {
            userChoices[i] = userAttestationChoices[user][userLogIds[i]];
        }
        
        return (userLogIds, userChoices);
    }
    
    /**
     * @notice Get attestation counts for multiple logs
     * @param logIds Array of log IDs to query
     * @return validCounts Array of valid attestation counts for each log
     * @return invalidCounts Array of invalid attestation counts for each log
     */
    function getAttestationCounts(uint256[] calldata logIds) external view returns (uint256[] memory validCounts, uint256[] memory invalidCounts) {
        validCounts = new uint256[](logIds.length);
        invalidCounts = new uint256[](logIds.length);
        
        for (uint256 i = 0; i < logIds.length; i++) {
            AttestationPeriod storage period = attestationPeriods[logIds[i]];
            validCounts[i] = period.validAttestors.length;
            invalidCounts[i] = period.invalidAttestors.length;
        }
        
        return (validCounts, invalidCounts);
    }
    
    /**
     * @notice Get attestation stakes for multiple logs
     * @param logIds Array of log IDs to query
     * @return validStakes Array of total valid stakes for each log
     * @return invalidStakes Array of total invalid stakes for each log
     */
    function getAttestationStakes(uint256[] calldata logIds) external view returns (uint256[] memory validStakes, uint256[] memory invalidStakes) {
        validStakes = new uint256[](logIds.length);
        invalidStakes = new uint256[](logIds.length);
        
        for (uint256 i = 0; i < logIds.length; i++) {
            AttestationPeriod storage period = attestationPeriods[logIds[i]];
            validStakes[i] = period.totalValidStake;
            invalidStakes[i] = period.totalInvalidStake;
        }
        
        return (validStakes, invalidStakes);
    }

    /**
     * @notice Check if attestation period is active
     * @param logId The ID of the hotdog log
     * @return Whether attestation period is active
     */
    function isAttestationPeriodActive(uint256 logId) external view returns (bool) {
        AttestationPeriod storage period = attestationPeriods[logId];
        return period.status == AttestationStatus.Active && block.timestamp <= period.endTime;
    }
    
    /**
     * @notice Add log manager
     * @param manager Address to grant log manager role
     */
    function addLogManager(address manager) external onlyRole(DEFAULT_ADMIN_ROLE) {
        _grantRole(LOG_MANAGER_ROLE, manager);
    }

    /**
     * @notice Get batch attestation status for multiple logs
     * @param logIds Array of log IDs to query
     * @return statuses Array of attestation statuses
     * @return isValid Array indicating if each log is valid
     * @return endTimes Array of attestation end times
     */
    function getBatchAttestationStatus(uint256[] calldata logIds) 
        external view returns (
            AttestationStatus[] memory statuses,
            bool[] memory isValid,
            uint256[] memory endTimes
        ) {
        statuses = new AttestationStatus[](logIds.length);
        isValid = new bool[](logIds.length);
        endTimes = new uint256[](logIds.length);
        
        for (uint256 i = 0; i < logIds.length; i++) {
            AttestationPeriod storage period = attestationPeriods[logIds[i]];
            statuses[i] = period.status;
            isValid[i] = period.isValid;
            endTimes[i] = period.endTime;
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.18;

import "@openzeppelin/contracts/access/AccessControl.sol";
import "@openzeppelin/contracts/utils/Strings.sol";

interface IZoraFactory {
    function deploy(
        address payoutRecipient,
        address[] memory owners,
        string memory uri,
        string memory name,
        string memory symbol,
        bytes memory poolConfig,
        address platformReferrer,
        address postDeployHook,
        bytes calldata postDeployHookData,
        bytes32 coinSalt
    ) external payable returns (address coin, bytes memory postDeployHookDataOut);

    function coinAddress(
        address msgSender,
        string memory name,
        string memory symbol,
        bytes memory poolConfig,
        address platformReferrer,
        bytes32 coinSalt
    ) external view returns (address);
}

/**
 * @title CoinDeploymentManager
 * @dev Manages coin deployment for hotdog logs - swappable implementation
 */
contract CoinDeploymentManager is AccessControl {
    bytes32 public constant DEPLOYER_ROLE = keccak256("DEPLOYER_ROLE");
    
    // Current coin deployment strategy
    address public coinFactory;
    string public coinSymbol;
    
    event CoinDeployed(uint256 indexed logId, address indexed coinAddress, address indexed eater);
    event FactoryUpdated(address indexed oldFactory, address indexed newFactory);
    event SymbolUpdated(string oldSymbol, string newSymbol);
    
    constructor(address _coinFactory, string memory _coinSymbol) {
        _grantRole(DEFAULT_ADMIN_ROLE, msg.sender);
        coinFactory = _coinFactory;
        coinSymbol = _coinSymbol;
    }
    
    /**
     * @notice Deploy a coin for a hotdog log
     * @param logId The ID of the hotdog log
     * @param eater The address of the hotdog eater
     * @param metadataUri The metadata URI for the coin
     * @param poolConfig The pool configuration
     * @param platformReferrer The platform referrer address
     * @return coinAddress The address of the deployed coin
     */
    function deployCoin(
        uint256 logId,
        address eater,
        string memory metadataUri,
        bytes calldata poolConfig,
        address platformReferrer
    ) external payable onlyRole(DEPLOYER_ROLE) returns (address coinAddress) {
        require(coinFactory != address(0), "Coin factory not set");
        
        // Create owners array
        address[] memory owners = new address[](1);
        owners[0] = eater;
        
        // Generate coin name
        string memory coinName = string.concat("Logged Dog #", Strings.toString(logId));
        
        // Generate deterministic salt based on logId and eater
        bytes32 coinSalt = keccak256(abi.encodePacked("LogADog", logId, eater));
        
        // Deploy coin using latest v4 factory interface
        (coinAddress,) = IZoraFactory(coinFactory).deploy{value: msg.value}(
            eater, // payout recipient
            owners, // owners
            metadataUri, // uri
            coinName, // name
            coinSymbol, // symbol
            poolConfig, // configuration for the pool
            platformReferrer, // platform referrer
            address(0), // postDeployHook (none for now)
            "", // postDeployHookData (empty)
            coinSalt // deterministic salt
        );
        
        emit CoinDeployed(logId, coinAddress, eater);
    }
    
    /**
     * @notice Predict the address of a coin before deployment
     * @param logId The ID of the hotdog log
     * @param eater The address of the hotdog eater
     * @param poolConfig The pool configuration
     * @param platformReferrer The platform referrer address
     * @return predictedAddress The predicted address of the coin
     */
    function predictCoinAddress(
        uint256 logId,
        address eater,
        bytes calldata poolConfig,
        address platformReferrer
    ) external view returns (address predictedAddress) {
        require(coinFactory != address(0), "Coin factory not set");
        
        // Generate coin name
        string memory coinName = string.concat("Logged Dog #", Strings.toString(logId));
        
        // Generate deterministic salt based on logId and eater
        bytes32 coinSalt = keccak256(abi.encodePacked("LogADog", logId, eater));
        
        // Predict coin address
        predictedAddress = IZoraFactory(coinFactory).coinAddress(
            address(this), // msgSender will be this contract
            coinName, // name
            coinSymbol, // symbol
            poolConfig, // pool configuration
            platformReferrer, // platform referrer
            coinSalt // deterministic salt
        );
    }
    
    /**
     * @notice Update the coin factory (admin only)
     * @param _newFactory The new factory address
     */
    function updateCoinFactory(address _newFactory) external onlyRole(DEFAULT_ADMIN_ROLE) {
        address oldFactory = coinFactory;
        coinFactory = _newFactory;
        emit FactoryUpdated(oldFactory, _newFactory);
    }
    
    /**
     * @notice Update the coin symbol (admin only)
     * @param _newSymbol The new coin symbol
     */
    function updateCoinSymbol(string memory _newSymbol) external onlyRole(DEFAULT_ADMIN_ROLE) {
        string memory oldSymbol = coinSymbol;
        coinSymbol = _newSymbol;
        emit SymbolUpdated(oldSymbol, _newSymbol);
    }
    
    /**
     * @notice Add a deployer role (admin only)
     * @param deployer The address to grant deployer role
     */
    function addDeployer(address deployer) external onlyRole(DEFAULT_ADMIN_ROLE) {
        _grantRole(DEPLOYER_ROLE, deployer);
    }
    
    /**
     * @notice Remove a deployer role (admin only)
     * @param deployer The address to revoke deployer role
     */
    function removeDeployer(address deployer) external onlyRole(DEFAULT_ADMIN_ROLE) {
        _revokeRole(DEPLOYER_ROLE, deployer);
    }
    
    /**
     * @notice Get current factory and symbol info
     */
    function getDeploymentInfo() external view returns (address factory, string memory symbol) {
        return (coinFactory, coinSymbol);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.3.0) (access/IAccessControl.sol)

pragma solidity ^0.8.20;

/**
 * @dev External interface of AccessControl declared to support ERC-165 detection.
 */
interface IAccessControl {
    /**
     * @dev The `account` is missing a role.
     */
    error AccessControlUnauthorizedAccount(address account, bytes32 neededRole);

    /**
     * @dev The caller of a function is not the expected one.
     *
     * NOTE: Don't confuse with {AccessControlUnauthorizedAccount}.
     */
    error AccessControlBadConfirmation();

    /**
     * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
     *
     * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
     * {RoleAdminChanged} not being emitted to signal this.
     */
    event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);

    /**
     * @dev Emitted when `account` is granted `role`.
     *
     * `sender` is the account that originated the contract call. This account bears the admin role (for the granted role).
     * Expected in cases where the role was granted using the internal {AccessControl-_grantRole}.
     */
    event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Emitted when `account` is revoked `role`.
     *
     * `sender` is the account that originated the contract call:
     *   - if using `revokeRole`, it is the admin role bearer
     *   - if using `renounceRole`, it is the role bearer (i.e. `account`)
     */
    event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) external view returns (bool);

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {AccessControl-_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) external view returns (bytes32);

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function grantRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function revokeRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been granted `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `callerConfirmation`.
     */
    function renounceRole(bytes32 role, address callerConfirmation) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)

pragma solidity ^0.8.20;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/introspection/ERC165.sol)

pragma solidity ^0.8.20;

import {IERC165} from "./IERC165.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement ERC-165 should inherit from this contract and override {supportsInterface} to check
 * for the additional interface id that will be supported. For example:
 *
 * ```solidity
 * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
 *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
 * }
 * ```
 */
abstract contract ERC165 is IERC165 {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) {
        return interfaceId == type(IERC165).interfaceId;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/ReentrancyGuard.sol)

pragma solidity ^0.8.20;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If EIP-1153 (transient storage) is available on the chain you're deploying at,
 * consider using {ReentrancyGuardTransient} instead.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant NOT_ENTERED = 1;
    uint256 private constant ENTERED = 2;

    uint256 private _status;

    /**
     * @dev Unauthorized reentrant call.
     */
    error ReentrancyGuardReentrantCall();

    constructor() {
        _status = NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        _nonReentrantBefore();
        _;
        _nonReentrantAfter();
    }

    function _nonReentrantBefore() private {
        // On the first call to nonReentrant, _status will be NOT_ENTERED
        if (_status == ENTERED) {
            revert ReentrancyGuardReentrantCall();
        }

        // Any calls to nonReentrant after this point will fail
        _status = ENTERED;
    }

    function _nonReentrantAfter() private {
        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = NOT_ENTERED;
    }

    /**
     * @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a
     * `nonReentrant` function in the call stack.
     */
    function _reentrancyGuardEntered() internal view returns (bool) {
        return _status == ENTERED;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.18;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "@openzeppelin/contracts/access/AccessControl.sol";
import "@openzeppelin/contracts/utils/ReentrancyGuard.sol";
import "./HotdogToken.sol";

/**
 * @title HotdogStaking
 * @dev Staking contract for HOTDOG tokens with proportional rewards that fully deplete by September 1, 2025
 */
contract HotdogStaking is AccessControl, ReentrancyGuard {
    using SafeERC20 for IERC20;
    
    bytes32 public constant ATTESTATION_MANAGER_ROLE = keccak256("ATTESTATION_MANAGER_ROLE");
    
    HotdogToken public immutable hotdogToken;
    
    // Staking parameters
    uint256 public constant MINIMUM_STAKE = 300000 * 10**18; // 300,000 HOTDOG minimum
    uint256 public constant REWARD_END_TIME = 1756684800; // September 1, 2025 00:00:00 UTC
    uint256 public constant SLASH_PERCENTAGE = 15; // 15% slashing for wrong attestations
    uint256 public constant MINIMUM_STAKE_DURATION = 1 hours; // Minimum time before unstaking (flash loan protection)
    uint256 private constant PRECISION = 1e18; // Precision for reward calculations
    
    struct StakeInfo {
        uint256 amount;
        uint256 rewardDebt; // User's reward debt for accurate proportional calculation
        uint256 pendingRewards;
        bool isActive;
        uint256 stakeTimestamp; // Timestamp when the stake was last increased (for flash loan protection)
    }
    
    mapping(address => StakeInfo) public stakes;
    mapping(address => uint256) public lockedForAttestation; // Tokens locked for active attestations
    
    uint256 public totalStaked;
    uint256 public rewardsPool;
    uint256 public lastRewardUpdate; // Global timestamp for reward calculations
    uint256 public accumulatedRewardPerToken; // Global reward accumulator
    
    event Staked(address indexed user, uint256 amount);
    event Unstaked(address indexed user, uint256 amount);
    event RewardsClaimed(address indexed user, uint256 amount);
    event TokensSlashed(address indexed user, uint256 amount);
    event TokensLocked(address indexed user, uint256 amount);
    event TokensUnlocked(address indexed user, uint256 amount);
    event RewardsDeposited(uint256 amount);
    event GlobalRewardsUpdated(uint256 accumulatedRewardPerToken, uint256 remainingPool);
    
    constructor(address _hotdogToken) {
        hotdogToken = HotdogToken(_hotdogToken);
        lastRewardUpdate = block.timestamp;
        _grantRole(DEFAULT_ADMIN_ROLE, msg.sender);
    }
    
    /**
     * @notice Update global reward state and calculate emission rate
     */
    function updateGlobalRewards() internal {
        if (block.timestamp >= REWARD_END_TIME || totalStaked == 0 || rewardsPool == 0) {
            lastRewardUpdate = block.timestamp;
            return;
        }
        
        uint256 timeElapsed = block.timestamp - lastRewardUpdate;
        if (timeElapsed == 0) return;
        
        uint256 timeRemaining = REWARD_END_TIME - block.timestamp;
        if (timeRemaining == 0) {
            lastRewardUpdate = block.timestamp;
            return;
        }
        
        // Calculate emission rate: rewards per second = rewardsPool / timeRemaining
        uint256 rewardsToDistribute = (rewardsPool * timeElapsed) / timeRemaining;
        
        // Ensure we don't distribute more than available
        if (rewardsToDistribute > rewardsPool) {
            rewardsToDistribute = rewardsPool;
        }
        
        // Update accumulated reward per token
        accumulatedRewardPerToken += (rewardsToDistribute * PRECISION) / totalStaked;
        rewardsPool -= rewardsToDistribute;
        lastRewardUpdate = block.timestamp;
        
        emit GlobalRewardsUpdated(accumulatedRewardPerToken, rewardsPool);
    }
    
    /**
     * @notice Update user rewards based on their stake proportion
     */
    function updateUserRewards(address user) internal {
        updateGlobalRewards();
        
        StakeInfo storage userStake = stakes[user];
        if (userStake.amount > 0) {
            uint256 accumulatedRewards = (userStake.amount * accumulatedRewardPerToken) / PRECISION;
            uint256 pending = accumulatedRewards - userStake.rewardDebt;
            userStake.pendingRewards += pending;
        }
        
        userStake.rewardDebt = (userStake.amount * accumulatedRewardPerToken) / PRECISION;
    }
    
    /**
     * @notice Stake HOTDOG tokens
     * @param amount Amount of tokens to stake
     */
    function stake(uint256 amount) external nonReentrant {
        require(amount >= MINIMUM_STAKE, "Amount below minimum stake");
        require(block.timestamp < REWARD_END_TIME, "Reward period has ended");
        
        StakeInfo storage userStake = stakes[msg.sender];
        
        // Update rewards before changing stake
        updateUserRewards(msg.sender);
        
        IERC20(address(hotdogToken)).safeTransferFrom(msg.sender, address(this), amount);
        
        if (userStake.isActive) {
            userStake.amount += amount;
        } else {
            userStake.amount = amount;
            userStake.isActive = true;
        }
        
        // Update stake timestamp to prevent flash loan attacks
        userStake.stakeTimestamp = block.timestamp;
        
        totalStaked += amount;
        
        // Update reward debt after stake change
        userStake.rewardDebt = (userStake.amount * accumulatedRewardPerToken) / PRECISION;
        
        emit Staked(msg.sender, amount);
    }
    
    /**
     * @notice Unstake HOTDOG tokens
     * @param amount Amount of tokens to unstake
     */
    function unstake(uint256 amount) external nonReentrant {
        StakeInfo storage userStake = stakes[msg.sender];
        require(userStake.isActive, "No active stake");
        require(amount <= userStake.amount, "Insufficient staked amount");
        require(amount <= getAvailableStake(msg.sender), "Tokens locked for attestation");
        
        // Flash loan protection: enforce minimum staking duration
        require(
            block.timestamp >= userStake.stakeTimestamp + MINIMUM_STAKE_DURATION,
            "Minimum stake duration not met"
        );
        
        // Update rewards before changing stake
        updateUserRewards(msg.sender);
        
        userStake.amount -= amount;
        totalStaked -= amount;
        
        if (userStake.amount == 0) {
            userStake.isActive = false;
            userStake.rewardDebt = 0;
            userStake.stakeTimestamp = 0; // Reset timestamp when fully unstaked
        } else {
            // Update reward debt after stake change
            userStake.rewardDebt = (userStake.amount * accumulatedRewardPerToken) / PRECISION;
        }
        
        IERC20(address(hotdogToken)).safeTransfer(msg.sender, amount);
        
        emit Unstaked(msg.sender, amount);
    }
    
    /**
     * @notice Claim pending rewards
     */
    function claimRewards() external nonReentrant {
        updateUserRewards(msg.sender);
        
        StakeInfo storage userStake = stakes[msg.sender];
        uint256 rewards = userStake.pendingRewards;
        require(rewards > 0, "No rewards to claim");
        
        userStake.pendingRewards = 0;
        
        IERC20(address(hotdogToken)).safeTransfer(msg.sender, rewards);
        
        emit RewardsClaimed(msg.sender, rewards);
    }
    
    /**
     * @notice Lock tokens for attestation (only attestation manager)
     * @param user User whose tokens to lock
     * @param amount Amount to lock
     */
    function lockTokensForAttestation(address user, uint256 amount) external onlyRole(ATTESTATION_MANAGER_ROLE) {
        require(amount <= getAvailableStake(user), "Insufficient available stake");
        lockedForAttestation[user] += amount;
        emit TokensLocked(user, amount);
    }
    
    /**
     * @notice Unlock tokens after attestation (only attestation manager)
     * @param user User whose tokens to unlock
     * @param amount Amount to unlock
     */
    function unlockTokensFromAttestation(address user, uint256 amount) external onlyRole(ATTESTATION_MANAGER_ROLE) {
        require(lockedForAttestation[user] >= amount, "Insufficient locked tokens");
        lockedForAttestation[user] -= amount;
        emit TokensUnlocked(user, amount);
    }
    
    /**
     * @notice Slash tokens for wrong attestation (only attestation manager)
     * @param user User whose tokens to slash
     * @param amount Amount to slash
     */
    function slashTokens(address user, uint256 amount) external onlyRole(ATTESTATION_MANAGER_ROLE) {
        require(lockedForAttestation[user] >= amount, "Insufficient locked tokens");
        
        StakeInfo storage userStake = stakes[user];
        require(userStake.amount >= amount, "Insufficient staked tokens");
        
        // Update rewards before slashing
        updateUserRewards(user);
        
        userStake.amount -= amount;
        lockedForAttestation[user] -= amount;
        totalStaked -= amount;
        
        // Add slashed tokens to rewards pool
        rewardsPool += amount;
        
        if (userStake.amount == 0) {
            userStake.isActive = false;
            userStake.rewardDebt = 0;
            userStake.stakeTimestamp = 0; // Reset timestamp when fully slashed
        } else {
            // Update reward debt after stake change
            userStake.rewardDebt = (userStake.amount * accumulatedRewardPerToken) / PRECISION;
        }
        
        emit TokensSlashed(user, amount);
    }
    
    /**
     * @notice Distribute rewards to winners (only attestation manager)
     * @param winners Array of winner addresses
     * @param amounts Array of reward amounts
     */
    function distributeAttestationRewards(address[] calldata winners, uint256[] calldata amounts) external onlyRole(ATTESTATION_MANAGER_ROLE) {
        require(winners.length == amounts.length, "Arrays length mismatch");
        
        for (uint256 i = 0; i < winners.length; i++) {
            if (amounts[i] > 0) {
                stakes[winners[i]].pendingRewards += amounts[i];
            }
        }
    }
    
    /**
     * @notice Deposit rewards to the pool (admin only)
     * @param amount Amount of rewards to deposit
     */
    function depositRewards(uint256 amount) external onlyRole(DEFAULT_ADMIN_ROLE) {
        require(block.timestamp < REWARD_END_TIME, "Reward period has ended");
        
        // Update global rewards before adding to pool
        updateGlobalRewards();
        
        IERC20(address(hotdogToken)).safeTransferFrom(msg.sender, address(this), amount);
        rewardsPool += amount;
        emit RewardsDeposited(amount);
    }
    
    /**
     * @notice Add attestation manager
     * @param manager Address to grant attestation manager role
     */
    function addAttestationManager(address manager) external onlyRole(DEFAULT_ADMIN_ROLE) {
        _grantRole(ATTESTATION_MANAGER_ROLE, manager);
    }
    
    /**
     * @notice Get available stake (not locked for attestation)
     * @param user User address
     * @return Available stake amount
     */
    function getAvailableStake(address user) public view returns (uint256) {
        StakeInfo memory userStake = stakes[user];
        if (!userStake.isActive) return 0;
        return userStake.amount - lockedForAttestation[user];
    }
    
    /**
     * @notice Get pending rewards for a user
     * @param user User address
     * @return Pending rewards amount
     */
    function getPendingRewards(address user) public view returns (uint256) {
        StakeInfo memory userStake = stakes[user];
        uint256 pending = userStake.pendingRewards;
        
        if (!userStake.isActive || userStake.amount == 0 || totalStaked == 0 || rewardsPool == 0) {
            return pending;
        }
        
        // Calculate new rewards since last update
        uint256 timeElapsed = block.timestamp - lastRewardUpdate;
        if (timeElapsed > 0 && block.timestamp < REWARD_END_TIME) {
            uint256 timeRemaining = REWARD_END_TIME - block.timestamp;
            if (timeRemaining > 0) {
                uint256 rewardsToDistribute = (rewardsPool * timeElapsed) / timeRemaining;
                if (rewardsToDistribute > rewardsPool) {
                    rewardsToDistribute = rewardsPool;
                }
                
                uint256 newAccumulatedRewardPerToken = accumulatedRewardPerToken + 
                    (rewardsToDistribute * PRECISION) / totalStaked;
                
                uint256 accumulatedRewards = (userStake.amount * newAccumulatedRewardPerToken) / PRECISION;
                pending += accumulatedRewards - userStake.rewardDebt;
            }
        }
        
        return pending;
    }
    
    /**
     * @notice Check if user can participate in attestations
     * @param user User address
     * @param requiredStake Required stake amount
     * @return Whether user can participate
     */
    function canParticipateInAttestation(address user, uint256 requiredStake) external view returns (bool) {
        return getAvailableStake(user) >= requiredStake;
    }
    
    /**
     * @notice Get current emission rate (rewards per second)
     * @return Current emission rate
     */
    function getCurrentEmissionRate() external view returns (uint256) {
        if (block.timestamp >= REWARD_END_TIME || rewardsPool == 0) {
            return 0;
        }
        
        uint256 timeRemaining = REWARD_END_TIME - block.timestamp;
        return rewardsPool / timeRemaining;
    }
    
    /**
     * @notice Get time remaining until reward period ends
     * @return Time remaining in seconds
     */
    function getTimeRemaining() external view returns (uint256) {
        if (block.timestamp >= REWARD_END_TIME) {
            return 0;
        }
        return REWARD_END_TIME - block.timestamp;
    }
    
    /**
     * @notice Get timestamp when user can unstake (flash loan protection)
     * @param user User address
     * @return Timestamp when unstaking becomes available (0 if no active stake)
     */
    function getUnstakeAvailableTime(address user) external view returns (uint256) {
        StakeInfo memory userStake = stakes[user];
        if (!userStake.isActive) return 0;
        return userStake.stakeTimestamp + MINIMUM_STAKE_DURATION;
    }
    
    /**
     * @notice Check if user can unstake now
     * @param user User address
     * @return Whether user can unstake now
     */
    function canUnstakeNow(address user) external view returns (bool) {
        StakeInfo memory userStake = stakes[user];
        if (!userStake.isActive) return false;
        return block.timestamp >= userStake.stakeTimestamp + MINIMUM_STAKE_DURATION;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.3.0) (utils/Strings.sol)

pragma solidity ^0.8.20;

import {Math} from "./math/Math.sol";
import {SafeCast} from "./math/SafeCast.sol";
import {SignedMath} from "./math/SignedMath.sol";

/**
 * @dev String operations.
 */
library Strings {
    using SafeCast for *;

    bytes16 private constant HEX_DIGITS = "0123456789abcdef";
    uint8 private constant ADDRESS_LENGTH = 20;
    uint256 private constant SPECIAL_CHARS_LOOKUP =
        (1 << 0x08) | // backspace
            (1 << 0x09) | // tab
            (1 << 0x0a) | // newline
            (1 << 0x0c) | // form feed
            (1 << 0x0d) | // carriage return
            (1 << 0x22) | // double quote
            (1 << 0x5c); // backslash

    /**
     * @dev The `value` string doesn't fit in the specified `length`.
     */
    error StringsInsufficientHexLength(uint256 value, uint256 length);

    /**
     * @dev The string being parsed contains characters that are not in scope of the given base.
     */
    error StringsInvalidChar();

    /**
     * @dev The string being parsed is not a properly formatted address.
     */
    error StringsInvalidAddressFormat();

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        unchecked {
            uint256 length = Math.log10(value) + 1;
            string memory buffer = new string(length);
            uint256 ptr;
            assembly ("memory-safe") {
                ptr := add(buffer, add(32, length))
            }
            while (true) {
                ptr--;
                assembly ("memory-safe") {
                    mstore8(ptr, byte(mod(value, 10), HEX_DIGITS))
                }
                value /= 10;
                if (value == 0) break;
            }
            return buffer;
        }
    }

    /**
     * @dev Converts a `int256` to its ASCII `string` decimal representation.
     */
    function toStringSigned(int256 value) internal pure returns (string memory) {
        return string.concat(value < 0 ? "-" : "", toString(SignedMath.abs(value)));
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        unchecked {
            return toHexString(value, Math.log256(value) + 1);
        }
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        uint256 localValue = value;
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = HEX_DIGITS[localValue & 0xf];
            localValue >>= 4;
        }
        if (localValue != 0) {
            revert StringsInsufficientHexLength(value, length);
        }
        return string(buffer);
    }

    /**
     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal
     * representation.
     */
    function toHexString(address addr) internal pure returns (string memory) {
        return toHexString(uint256(uint160(addr)), ADDRESS_LENGTH);
    }

    /**
     * @dev Converts an `address` with fixed length of 20 bytes to its checksummed ASCII `string` hexadecimal
     * representation, according to EIP-55.
     */
    function toChecksumHexString(address addr) internal pure returns (string memory) {
        bytes memory buffer = bytes(toHexString(addr));

        // hash the hex part of buffer (skip length + 2 bytes, length 40)
        uint256 hashValue;
        assembly ("memory-safe") {
            hashValue := shr(96, keccak256(add(buffer, 0x22), 40))
        }

        for (uint256 i = 41; i > 1; --i) {
            // possible values for buffer[i] are 48 (0) to 57 (9) and 97 (a) to 102 (f)
            if (hashValue & 0xf > 7 && uint8(buffer[i]) > 96) {
                // case shift by xoring with 0x20
                buffer[i] ^= 0x20;
            }
            hashValue >>= 4;
        }
        return string(buffer);
    }

    /**
     * @dev Returns true if the two strings are equal.
     */
    function equal(string memory a, string memory b) internal pure returns (bool) {
        return bytes(a).length == bytes(b).length && keccak256(bytes(a)) == keccak256(bytes(b));
    }

    /**
     * @dev Parse a decimal string and returns the value as a `uint256`.
     *
     * Requirements:
     * - The string must be formatted as `[0-9]*`
     * - The result must fit into an `uint256` type
     */
    function parseUint(string memory input) internal pure returns (uint256) {
        return parseUint(input, 0, bytes(input).length);
    }

    /**
     * @dev Variant of {parseUint-string} that parses a substring of `input` located between position `begin` (included) and
     * `end` (excluded).
     *
     * Requirements:
     * - The substring must be formatted as `[0-9]*`
     * - The result must fit into an `uint256` type
     */
    function parseUint(string memory input, uint256 begin, uint256 end) internal pure returns (uint256) {
        (bool success, uint256 value) = tryParseUint(input, begin, end);
        if (!success) revert StringsInvalidChar();
        return value;
    }

    /**
     * @dev Variant of {parseUint-string} that returns false if the parsing fails because of an invalid character.
     *
     * NOTE: This function will revert if the result does not fit in a `uint256`.
     */
    function tryParseUint(string memory input) internal pure returns (bool success, uint256 value) {
        return _tryParseUintUncheckedBounds(input, 0, bytes(input).length);
    }

    /**
     * @dev Variant of {parseUint-string-uint256-uint256} that returns false if the parsing fails because of an invalid
     * character.
     *
     * NOTE: This function will revert if the result does not fit in a `uint256`.
     */
    function tryParseUint(
        string memory input,
        uint256 begin,
        uint256 end
    ) internal pure returns (bool success, uint256 value) {
        if (end > bytes(input).length || begin > end) return (false, 0);
        return _tryParseUintUncheckedBounds(input, begin, end);
    }

    /**
     * @dev Implementation of {tryParseUint-string-uint256-uint256} that does not check bounds. Caller should make sure that
     * `begin <= end <= input.length`. Other inputs would result in undefined behavior.
     */
    function _tryParseUintUncheckedBounds(
        string memory input,
        uint256 begin,
        uint256 end
    ) private pure returns (bool success, uint256 value) {
        bytes memory buffer = bytes(input);

        uint256 result = 0;
        for (uint256 i = begin; i < end; ++i) {
            uint8 chr = _tryParseChr(bytes1(_unsafeReadBytesOffset(buffer, i)));
            if (chr > 9) return (false, 0);
            result *= 10;
            result += chr;
        }
        return (true, result);
    }

    /**
     * @dev Parse a decimal string and returns the value as a `int256`.
     *
     * Requirements:
     * - The string must be formatted as `[-+]?[0-9]*`
     * - The result must fit in an `int256` type.
     */
    function parseInt(string memory input) internal pure returns (int256) {
        return parseInt(input, 0, bytes(input).length);
    }

    /**
     * @dev Variant of {parseInt-string} that parses a substring of `input` located between position `begin` (included) and
     * `end` (excluded).
     *
     * Requirements:
     * - The substring must be formatted as `[-+]?[0-9]*`
     * - The result must fit in an `int256` type.
     */
    function parseInt(string memory input, uint256 begin, uint256 end) internal pure returns (int256) {
        (bool success, int256 value) = tryParseInt(input, begin, end);
        if (!success) revert StringsInvalidChar();
        return value;
    }

    /**
     * @dev Variant of {parseInt-string} that returns false if the parsing fails because of an invalid character or if
     * the result does not fit in a `int256`.
     *
     * NOTE: This function will revert if the absolute value of the result does not fit in a `uint256`.
     */
    function tryParseInt(string memory input) internal pure returns (bool success, int256 value) {
        return _tryParseIntUncheckedBounds(input, 0, bytes(input).length);
    }

    uint256 private constant ABS_MIN_INT256 = 2 ** 255;

    /**
     * @dev Variant of {parseInt-string-uint256-uint256} that returns false if the parsing fails because of an invalid
     * character or if the result does not fit in a `int256`.
     *
     * NOTE: This function will revert if the absolute value of the result does not fit in a `uint256`.
     */
    function tryParseInt(
        string memory input,
        uint256 begin,
        uint256 end
    ) internal pure returns (bool success, int256 value) {
        if (end > bytes(input).length || begin > end) return (false, 0);
        return _tryParseIntUncheckedBounds(input, begin, end);
    }

    /**
     * @dev Implementation of {tryParseInt-string-uint256-uint256} that does not check bounds. Caller should make sure that
     * `begin <= end <= input.length`. Other inputs would result in undefined behavior.
     */
    function _tryParseIntUncheckedBounds(
        string memory input,
        uint256 begin,
        uint256 end
    ) private pure returns (bool success, int256 value) {
        bytes memory buffer = bytes(input);

        // Check presence of a negative sign.
        bytes1 sign = begin == end ? bytes1(0) : bytes1(_unsafeReadBytesOffset(buffer, begin)); // don't do out-of-bound (possibly unsafe) read if sub-string is empty
        bool positiveSign = sign == bytes1("+");
        bool negativeSign = sign == bytes1("-");
        uint256 offset = (positiveSign || negativeSign).toUint();

        (bool absSuccess, uint256 absValue) = tryParseUint(input, begin + offset, end);

        if (absSuccess && absValue < ABS_MIN_INT256) {
            return (true, negativeSign ? -int256(absValue) : int256(absValue));
        } else if (absSuccess && negativeSign && absValue == ABS_MIN_INT256) {
            return (true, type(int256).min);
        } else return (false, 0);
    }

    /**
     * @dev Parse a hexadecimal string (with or without "0x" prefix), and returns the value as a `uint256`.
     *
     * Requirements:
     * - The string must be formatted as `(0x)?[0-9a-fA-F]*`
     * - The result must fit in an `uint256` type.
     */
    function parseHexUint(string memory input) internal pure returns (uint256) {
        return parseHexUint(input, 0, bytes(input).length);
    }

    /**
     * @dev Variant of {parseHexUint-string} that parses a substring of `input` located between position `begin` (included) and
     * `end` (excluded).
     *
     * Requirements:
     * - The substring must be formatted as `(0x)?[0-9a-fA-F]*`
     * - The result must fit in an `uint256` type.
     */
    function parseHexUint(string memory input, uint256 begin, uint256 end) internal pure returns (uint256) {
        (bool success, uint256 value) = tryParseHexUint(input, begin, end);
        if (!success) revert StringsInvalidChar();
        return value;
    }

    /**
     * @dev Variant of {parseHexUint-string} that returns false if the parsing fails because of an invalid character.
     *
     * NOTE: This function will revert if the result does not fit in a `uint256`.
     */
    function tryParseHexUint(string memory input) internal pure returns (bool success, uint256 value) {
        return _tryParseHexUintUncheckedBounds(input, 0, bytes(input).length);
    }

    /**
     * @dev Variant of {parseHexUint-string-uint256-uint256} that returns false if the parsing fails because of an
     * invalid character.
     *
     * NOTE: This function will revert if the result does not fit in a `uint256`.
     */
    function tryParseHexUint(
        string memory input,
        uint256 begin,
        uint256 end
    ) internal pure returns (bool success, uint256 value) {
        if (end > bytes(input).length || begin > end) return (false, 0);
        return _tryParseHexUintUncheckedBounds(input, begin, end);
    }

    /**
     * @dev Implementation of {tryParseHexUint-string-uint256-uint256} that does not check bounds. Caller should make sure that
     * `begin <= end <= input.length`. Other inputs would result in undefined behavior.
     */
    function _tryParseHexUintUncheckedBounds(
        string memory input,
        uint256 begin,
        uint256 end
    ) private pure returns (bool success, uint256 value) {
        bytes memory buffer = bytes(input);

        // skip 0x prefix if present
        bool hasPrefix = (end > begin + 1) && bytes2(_unsafeReadBytesOffset(buffer, begin)) == bytes2("0x"); // don't do out-of-bound (possibly unsafe) read if sub-string is empty
        uint256 offset = hasPrefix.toUint() * 2;

        uint256 result = 0;
        for (uint256 i = begin + offset; i < end; ++i) {
            uint8 chr = _tryParseChr(bytes1(_unsafeReadBytesOffset(buffer, i)));
            if (chr > 15) return (false, 0);
            result *= 16;
            unchecked {
                // Multiplying by 16 is equivalent to a shift of 4 bits (with additional overflow check).
                // This guarantees that adding a value < 16 will not cause an overflow, hence the unchecked.
                result += chr;
            }
        }
        return (true, result);
    }

    /**
     * @dev Parse a hexadecimal string (with or without "0x" prefix), and returns the value as an `address`.
     *
     * Requirements:
     * - The string must be formatted as `(0x)?[0-9a-fA-F]{40}`
     */
    function parseAddress(string memory input) internal pure returns (address) {
        return parseAddress(input, 0, bytes(input).length);
    }

    /**
     * @dev Variant of {parseAddress-string} that parses a substring of `input` located between position `begin` (included) and
     * `end` (excluded).
     *
     * Requirements:
     * - The substring must be formatted as `(0x)?[0-9a-fA-F]{40}`
     */
    function parseAddress(string memory input, uint256 begin, uint256 end) internal pure returns (address) {
        (bool success, address value) = tryParseAddress(input, begin, end);
        if (!success) revert StringsInvalidAddressFormat();
        return value;
    }

    /**
     * @dev Variant of {parseAddress-string} that returns false if the parsing fails because the input is not a properly
     * formatted address. See {parseAddress-string} requirements.
     */
    function tryParseAddress(string memory input) internal pure returns (bool success, address value) {
        return tryParseAddress(input, 0, bytes(input).length);
    }

    /**
     * @dev Variant of {parseAddress-string-uint256-uint256} that returns false if the parsing fails because input is not a properly
     * formatted address. See {parseAddress-string-uint256-uint256} requirements.
     */
    function tryParseAddress(
        string memory input,
        uint256 begin,
        uint256 end
    ) internal pure returns (bool success, address value) {
        if (end > bytes(input).length || begin > end) return (false, address(0));

        bool hasPrefix = (end > begin + 1) && bytes2(_unsafeReadBytesOffset(bytes(input), begin)) == bytes2("0x"); // don't do out-of-bound (possibly unsafe) read if sub-string is empty
        uint256 expectedLength = 40 + hasPrefix.toUint() * 2;

        // check that input is the correct length
        if (end - begin == expectedLength) {
            // length guarantees that this does not overflow, and value is at most type(uint160).max
            (bool s, uint256 v) = _tryParseHexUintUncheckedBounds(input, begin, end);
            return (s, address(uint160(v)));
        } else {
            return (false, address(0));
        }
    }

    function _tryParseChr(bytes1 chr) private pure returns (uint8) {
        uint8 value = uint8(chr);

        // Try to parse `chr`:
        // - Case 1: [0-9]
        // - Case 2: [a-f]
        // - Case 3: [A-F]
        // - otherwise not supported
        unchecked {
            if (value > 47 && value < 58) value -= 48;
            else if (value > 96 && value < 103) value -= 87;
            else if (value > 64 && value < 71) value -= 55;
            else return type(uint8).max;
        }

        return value;
    }

    /**
     * @dev Escape special characters in JSON strings. This can be useful to prevent JSON injection in NFT metadata.
     *
     * WARNING: This function should only be used in double quoted JSON strings. Single quotes are not escaped.
     *
     * NOTE: This function escapes all unicode characters, and not just the ones in ranges defined in section 2.5 of
     * RFC-4627 (U+0000 to U+001F, U+0022 and U+005C). ECMAScript's `JSON.parse` does recover escaped unicode
     * characters that are not in this range, but other tooling may provide different results.
     */
    function escapeJSON(string memory input) internal pure returns (string memory) {
        bytes memory buffer = bytes(input);
        bytes memory output = new bytes(2 * buffer.length); // worst case scenario
        uint256 outputLength = 0;

        for (uint256 i; i < buffer.length; ++i) {
            bytes1 char = bytes1(_unsafeReadBytesOffset(buffer, i));
            if (((SPECIAL_CHARS_LOOKUP & (1 << uint8(char))) != 0)) {
                output[outputLength++] = "\\";
                if (char == 0x08) output[outputLength++] = "b";
                else if (char == 0x09) output[outputLength++] = "t";
                else if (char == 0x0a) output[outputLength++] = "n";
                else if (char == 0x0c) output[outputLength++] = "f";
                else if (char == 0x0d) output[outputLength++] = "r";
                else if (char == 0x5c) output[outputLength++] = "\\";
                else if (char == 0x22) {
                    // solhint-disable-next-line quotes
                    output[outputLength++] = '"';
                }
            } else {
                output[outputLength++] = char;
            }
        }
        // write the actual length and deallocate unused memory
        assembly ("memory-safe") {
            mstore(output, outputLength)
            mstore(0x40, add(output, shl(5, shr(5, add(outputLength, 63)))))
        }

        return string(output);
    }

    /**
     * @dev Reads a bytes32 from a bytes array without bounds checking.
     *
     * NOTE: making this function internal would mean it could be used with memory unsafe offset, and marking the
     * assembly block as such would prevent some optimizations.
     */
    function _unsafeReadBytesOffset(bytes memory buffer, uint256 offset) private pure returns (bytes32 value) {
        // This is not memory safe in the general case, but all calls to this private function are within bounds.
        assembly ("memory-safe") {
            value := mload(add(buffer, add(0x20, offset)))
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/introspection/IERC165.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC-165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[ERC].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[ERC section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC-20 standard as defined in the ERC.
 */
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 v5.3.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../IERC20.sol";
import {IERC1363} from "../../../interfaces/IERC1363.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC-20 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 {
    /**
     * @dev An operation with an ERC-20 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 Variant of {safeTransfer} that returns a bool instead of reverting if the operation is not successful.
     */
    function trySafeTransfer(IERC20 token, address to, uint256 value) internal returns (bool) {
        return _callOptionalReturnBool(token, abi.encodeCall(token.transfer, (to, value)));
    }

    /**
     * @dev Variant of {safeTransferFrom} that returns a bool instead of reverting if the operation is not successful.
     */
    function trySafeTransferFrom(IERC20 token, address from, address to, uint256 value) internal returns (bool) {
        return _callOptionalReturnBool(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.
     *
     * IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the "client"
     * smart contract uses ERC-7674 to set temporary allowances, then the "client" smart contract should avoid using
     * this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract
     * that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.
     */
    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.
     *
     * IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the "client"
     * smart contract uses ERC-7674 to set temporary allowances, then the "client" smart contract should avoid using
     * this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract
     * that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.
     */
    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.
     *
     * NOTE: If the token implements ERC-7674, this function will not modify any temporary allowance. This function
     * only sets the "standard" allowance. Any temporary allowance will remain active, in addition to the value being
     * set here.
     */
    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 Performs an {ERC1363} transferAndCall, with a fallback to the simple {ERC20} transfer if the target has no
     * code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
     * targeting contracts.
     *
     * Reverts if the returned value is other than `true`.
     */
    function transferAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {
        if (to.code.length == 0) {
            safeTransfer(token, to, value);
        } else if (!token.transferAndCall(to, value, data)) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

    /**
     * @dev Performs an {ERC1363} transferFromAndCall, with a fallback to the simple {ERC20} transferFrom if the target
     * has no code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
     * targeting contracts.
     *
     * Reverts if the returned value is other than `true`.
     */
    function transferFromAndCallRelaxed(
        IERC1363 token,
        address from,
        address to,
        uint256 value,
        bytes memory data
    ) internal {
        if (to.code.length == 0) {
            safeTransferFrom(token, from, to, value);
        } else if (!token.transferFromAndCall(from, to, value, data)) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

    /**
     * @dev Performs an {ERC1363} approveAndCall, with a fallback to the simple {ERC20} approve if the target has no
     * code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
     * targeting contracts.
     *
     * NOTE: When the recipient address (`to`) has no code (i.e. is an EOA), this function behaves as {forceApprove}.
     * Opposedly, when the recipient address (`to`) has code, this function only attempts to call {ERC1363-approveAndCall}
     * once without retrying, and relies on the returned value to be true.
     *
     * Reverts if the returned value is other than `true`.
     */
    function approveAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {
        if (to.code.length == 0) {
            forceApprove(token, to, value);
        } else if (!token.approveAndCall(to, value, data)) {
            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 {_callOptionalReturnBool} that reverts if call fails to meet the requirements.
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        uint256 returnSize;
        uint256 returnValue;
        assembly ("memory-safe") {
            let success := call(gas(), token, 0, add(data, 0x20), mload(data), 0, 0x20)
            // bubble errors
            if iszero(success) {
                let ptr := mload(0x40)
                returndatacopy(ptr, 0, returndatasize())
                revert(ptr, returndatasize())
            }
            returnSize := returndatasize()
            returnValue := mload(0)
        }

        if (returnSize == 0 ? address(token).code.length == 0 : returnValue != 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).
     *
     * This is a variant of {_callOptionalReturn} that silently catches all reverts and returns a bool instead.
     */
    function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
        bool success;
        uint256 returnSize;
        uint256 returnValue;
        assembly ("memory-safe") {
            success := call(gas(), token, 0, add(data, 0x20), mload(data), 0, 0x20)
            returnSize := returndatasize()
            returnValue := mload(0)
        }
        return success && (returnSize == 0 ? address(token).code.length > 0 : returnValue == 1);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.18;

import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/access/AccessControl.sol";

/**
 * @title HotdogToken
 * @dev ERC-20 token used for staking and governance in the LogADog ecosystem
 */
contract HotdogToken is ERC20, AccessControl {
    bytes32 public constant MINTER_ROLE = keccak256("MINTER_ROLE");
    
    uint256 public constant INITIAL_SUPPLY = 100_000_000_000 * 10**18; // 100B tokens
    uint256 public constant MAX_SUPPLY = 100_000_000_000 * 10**18; // 100B tokens max
    
    constructor() ERC20("Hotdog Token", "HOTDOG") {
        _grantRole(DEFAULT_ADMIN_ROLE, msg.sender);
        _grantRole(MINTER_ROLE, msg.sender);
        
        // Mint initial supply to deployer
        _mint(msg.sender, INITIAL_SUPPLY);
    }
    
    /**
     * @notice Mint new tokens (only by minters)
     * @param to Address to mint tokens to
     * @param amount Amount of tokens to mint
     */
    function mint(address to, uint256 amount) external onlyRole(MINTER_ROLE) {
        require(totalSupply() + amount <= MAX_SUPPLY, "Would exceed max supply");
        _mint(to, amount);
    }
    
    /**
     * @notice Add a new minter
     * @param minter Address to grant minter role
     */
    function addMinter(address minter) external onlyRole(DEFAULT_ADMIN_ROLE) {
        _grantRole(MINTER_ROLE, minter);
    }
    
    /**
     * @notice Remove a minter
     * @param minter Address to revoke minter role
     */
    function removeMinter(address minter) external onlyRole(DEFAULT_ADMIN_ROLE) {
        _revokeRole(MINTER_ROLE, minter);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.3.0) (utils/math/Math.sol)

pragma solidity ^0.8.20;

import {Panic} from "../Panic.sol";
import {SafeCast} from "./SafeCast.sol";

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    enum Rounding {
        Floor, // Toward negative infinity
        Ceil, // Toward positive infinity
        Trunc, // Toward zero
        Expand // Away from zero
    }

    /**
     * @dev Return the 512-bit addition of two uint256.
     *
     * The result is stored in two 256 variables such that sum = high * 2²⁵⁶ + low.
     */
    function add512(uint256 a, uint256 b) internal pure returns (uint256 high, uint256 low) {
        assembly ("memory-safe") {
            low := add(a, b)
            high := lt(low, a)
        }
    }

    /**
     * @dev Return the 512-bit multiplication of two uint256.
     *
     * The result is stored in two 256 variables such that product = high * 2²⁵⁶ + low.
     */
    function mul512(uint256 a, uint256 b) internal pure returns (uint256 high, uint256 low) {
        // 512-bit multiply [high low] = x * y. Compute the product mod 2²⁵⁶ and mod 2²⁵⁶ - 1, then use
        // the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
        // variables such that product = high * 2²⁵⁶ + low.
        assembly ("memory-safe") {
            let mm := mulmod(a, b, not(0))
            low := mul(a, b)
            high := sub(sub(mm, low), lt(mm, low))
        }
    }

    /**
     * @dev Returns the addition of two unsigned integers, with a success flag (no overflow).
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
        unchecked {
            uint256 c = a + b;
            success = c >= a;
            result = c * SafeCast.toUint(success);
        }
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, with a success flag (no overflow).
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
        unchecked {
            uint256 c = a - b;
            success = c <= a;
            result = c * SafeCast.toUint(success);
        }
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with a success flag (no overflow).
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
        unchecked {
            uint256 c = a * b;
            assembly ("memory-safe") {
                // Only true when the multiplication doesn't overflow
                // (c / a == b) || (a == 0)
                success := or(eq(div(c, a), b), iszero(a))
            }
            // equivalent to: success ? c : 0
            result = c * SafeCast.toUint(success);
        }
    }

    /**
     * @dev Returns the division of two unsigned integers, with a success flag (no division by zero).
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
        unchecked {
            success = b > 0;
            assembly ("memory-safe") {
                // The `DIV` opcode returns zero when the denominator is 0.
                result := div(a, b)
            }
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a success flag (no division by zero).
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
        unchecked {
            success = b > 0;
            assembly ("memory-safe") {
                // The `MOD` opcode returns zero when the denominator is 0.
                result := mod(a, b)
            }
        }
    }

    /**
     * @dev Unsigned saturating addition, bounds to `2²⁵⁶ - 1` instead of overflowing.
     */
    function saturatingAdd(uint256 a, uint256 b) internal pure returns (uint256) {
        (bool success, uint256 result) = tryAdd(a, b);
        return ternary(success, result, type(uint256).max);
    }

    /**
     * @dev Unsigned saturating subtraction, bounds to zero instead of overflowing.
     */
    function saturatingSub(uint256 a, uint256 b) internal pure returns (uint256) {
        (, uint256 result) = trySub(a, b);
        return result;
    }

    /**
     * @dev Unsigned saturating multiplication, bounds to `2²⁵⁶ - 1` instead of overflowing.
     */
    function saturatingMul(uint256 a, uint256 b) internal pure returns (uint256) {
        (bool success, uint256 result) = tryMul(a, b);
        return ternary(success, result, type(uint256).max);
    }

    /**
     * @dev Branchless ternary evaluation for `a ? b : c`. Gas costs are constant.
     *
     * IMPORTANT: This function may reduce bytecode size and consume less gas when used standalone.
     * However, the compiler may optimize Solidity ternary operations (i.e. `a ? b : c`) to only compute
     * one branch when needed, making this function more expensive.
     */
    function ternary(bool condition, uint256 a, uint256 b) internal pure returns (uint256) {
        unchecked {
            // branchless ternary works because:
            // b ^ (a ^ b) == a
            // b ^ 0 == b
            return b ^ ((a ^ b) * SafeCast.toUint(condition));
        }
    }

    /**
     * @dev Returns the largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return ternary(a > b, a, b);
    }

    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        return ternary(a < b, a, b);
    }

    /**
     * @dev Returns the average of two numbers. The result is rounded towards
     * zero.
     */
    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow.
        return (a & b) + (a ^ b) / 2;
    }

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds towards infinity instead
     * of rounding towards zero.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        if (b == 0) {
            // Guarantee the same behavior as in a regular Solidity division.
            Panic.panic(Panic.DIVISION_BY_ZERO);
        }

        // The following calculation ensures accurate ceiling division without overflow.
        // Since a is non-zero, (a - 1) / b will not overflow.
        // The largest possible result occurs when (a - 1) / b is type(uint256).max,
        // but the largest value we can obtain is type(uint256).max - 1, which happens
        // when a = type(uint256).max and b = 1.
        unchecked {
            return SafeCast.toUint(a > 0) * ((a - 1) / b + 1);
        }
    }

    /**
     * @dev Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or
     * denominator == 0.
     *
     * Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) with further edits by
     * Uniswap Labs also under MIT license.
     */
    function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {
        unchecked {
            (uint256 high, uint256 low) = mul512(x, y);

            // Handle non-overflow cases, 256 by 256 division.
            if (high == 0) {
                // Solidity will revert if denominator == 0, unlike the div opcode on its own.
                // The surrounding unchecked block does not change this fact.
                // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.
                return low / denominator;
            }

            // Make sure the result is less than 2²⁵⁶. Also prevents denominator == 0.
            if (denominator <= high) {
                Panic.panic(ternary(denominator == 0, Panic.DIVISION_BY_ZERO, Panic.UNDER_OVERFLOW));
            }

            ///////////////////////////////////////////////
            // 512 by 256 division.
            ///////////////////////////////////////////////

            // Make division exact by subtracting the remainder from [high low].
            uint256 remainder;
            assembly ("memory-safe") {
                // Compute remainder using mulmod.
                remainder := mulmod(x, y, denominator)

                // Subtract 256 bit number from 512 bit number.
                high := sub(high, gt(remainder, low))
                low := sub(low, remainder)
            }

            // Factor powers of two out of denominator and compute largest power of two divisor of denominator.
            // Always >= 1. See https://cs.stackexchange.com/q/138556/92363.

            uint256 twos = denominator & (0 - denominator);
            assembly ("memory-safe") {
                // Divide denominator by twos.
                denominator := div(denominator, twos)

                // Divide [high low] by twos.
                low := div(low, twos)

                // Flip twos such that it is 2²⁵⁶ / twos. If twos is zero, then it becomes one.
                twos := add(div(sub(0, twos), twos), 1)
            }

            // Shift in bits from high into low.
            low |= high * twos;

            // Invert denominator mod 2²⁵⁶. Now that denominator is an odd number, it has an inverse modulo 2²⁵⁶ such
            // that denominator * inv ≡ 1 mod 2²⁵⁶. Compute the inverse by starting with a seed that is correct for
            // four bits. That is, denominator * inv ≡ 1 mod 2⁴.
            uint256 inverse = (3 * denominator) ^ 2;

            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also
            // works in modular arithmetic, doubling the correct bits in each step.
            inverse *= 2 - denominator * inverse; // inverse mod 2⁸
            inverse *= 2 - denominator * inverse; // inverse mod 2¹⁶
            inverse *= 2 - denominator * inverse; // inverse mod 2³²
            inverse *= 2 - denominator * inverse; // inverse mod 2⁶⁴
            inverse *= 2 - denominator * inverse; // inverse mod 2¹²⁸
            inverse *= 2 - denominator * inverse; // inverse mod 2²⁵⁶

            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
            // This will give us the correct result modulo 2²⁵⁶. Since the preconditions guarantee that the outcome is
            // less than 2²⁵⁶, this is the final result. We don't need to compute the high bits of the result and high
            // is no longer required.
            result = low * inverse;
            return result;
        }
    }

    /**
     * @dev Calculates x * y / denominator with full precision, following the selected rounding direction.
     */
    function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {
        return mulDiv(x, y, denominator) + SafeCast.toUint(unsignedRoundsUp(rounding) && mulmod(x, y, denominator) > 0);
    }

    /**
     * @dev Calculates floor(x * y >> n) with full precision. Throws if result overflows a uint256.
     */
    function mulShr(uint256 x, uint256 y, uint8 n) internal pure returns (uint256 result) {
        unchecked {
            (uint256 high, uint256 low) = mul512(x, y);
            if (high >= 1 << n) {
                Panic.panic(Panic.UNDER_OVERFLOW);
            }
            return (high << (256 - n)) | (low >> n);
        }
    }

    /**
     * @dev Calculates x * y >> n with full precision, following the selected rounding direction.
     */
    function mulShr(uint256 x, uint256 y, uint8 n, Rounding rounding) internal pure returns (uint256) {
        return mulShr(x, y, n) + SafeCast.toUint(unsignedRoundsUp(rounding) && mulmod(x, y, 1 << n) > 0);
    }

    /**
     * @dev Calculate the modular multiplicative inverse of a number in Z/nZ.
     *
     * If n is a prime, then Z/nZ is a field. In that case all elements are inversible, except 0.
     * If n is not a prime, then Z/nZ is not a field, and some elements might not be inversible.
     *
     * If the input value is not inversible, 0 is returned.
     *
     * NOTE: If you know for sure that n is (big) a prime, it may be cheaper to use Fermat's little theorem and get the
     * inverse using `Math.modExp(a, n - 2, n)`. See {invModPrime}.
     */
    function invMod(uint256 a, uint256 n) internal pure returns (uint256) {
        unchecked {
            if (n == 0) return 0;

            // The inverse modulo is calculated using the Extended Euclidean Algorithm (iterative version)
            // Used to compute integers x and y such that: ax + ny = gcd(a, n).
            // When the gcd is 1, then the inverse of a modulo n exists and it's x.
            // ax + ny = 1
            // ax = 1 + (-y)n
            // ax ≡ 1 (mod n) # x is the inverse of a modulo n

            // If the remainder is 0 the gcd is n right away.
            uint256 remainder = a % n;
            uint256 gcd = n;

            // Therefore the initial coefficients are:
            // ax + ny = gcd(a, n) = n
            // 0a + 1n = n
            int256 x = 0;
            int256 y = 1;

            while (remainder != 0) {
                uint256 quotient = gcd / remainder;

                (gcd, remainder) = (
                    // The old remainder is the next gcd to try.
                    remainder,
                    // Compute the next remainder.
                    // Can't overflow given that (a % gcd) * (gcd // (a % gcd)) <= gcd
                    // where gcd is at most n (capped to type(uint256).max)
                    gcd - remainder * quotient
                );

                (x, y) = (
                    // Increment the coefficient of a.
                    y,
                    // Decrement the coefficient of n.
                    // Can overflow, but the result is casted to uint256 so that the
                    // next value of y is "wrapped around" to a value between 0 and n - 1.
                    x - y * int256(quotient)
                );
            }

            if (gcd != 1) return 0; // No inverse exists.
            return ternary(x < 0, n - uint256(-x), uint256(x)); // Wrap the result if it's negative.
        }
    }

    /**
     * @dev Variant of {invMod}. More efficient, but only works if `p` is known to be a prime greater than `2`.
     *
     * From https://en.wikipedia.org/wiki/Fermat%27s_little_theorem[Fermat's little theorem], we know that if p is
     * prime, then `a**(p-1) ≡ 1 mod p`. As a consequence, we have `a * a**(p-2) ≡ 1 mod p`, which means that
     * `a**(p-2)` is the modular multiplicative inverse of a in Fp.
     *
     * NOTE: this function does NOT check that `p` is a prime greater than `2`.
     */
    function invModPrime(uint256 a, uint256 p) internal view returns (uint256) {
        unchecked {
            return Math.modExp(a, p - 2, p);
        }
    }

    /**
     * @dev Returns the modular exponentiation of the specified base, exponent and modulus (b ** e % m)
     *
     * Requirements:
     * - modulus can't be zero
     * - underlying staticcall to precompile must succeed
     *
     * IMPORTANT: The result is only valid if the underlying call succeeds. When using this function, make
     * sure the chain you're using it on supports the precompiled contract for modular exponentiation
     * at address 0x05 as specified in https://eips.ethereum.org/EIPS/eip-198[EIP-198]. Otherwise,
     * the underlying function will succeed given the lack of a revert, but the result may be incorrectly
     * interpreted as 0.
     */
    function modExp(uint256 b, uint256 e, uint256 m) internal view returns (uint256) {
        (bool success, uint256 result) = tryModExp(b, e, m);
        if (!success) {
            Panic.panic(Panic.DIVISION_BY_ZERO);
        }
        return result;
    }

    /**
     * @dev Returns the modular exponentiation of the specified base, exponent and modulus (b ** e % m).
     * It includes a success flag indicating if the operation succeeded. Operation will be marked as failed if trying
     * to operate modulo 0 or if the underlying precompile reverted.
     *
     * IMPORTANT: The result is only valid if the success flag is true. When using this function, make sure the chain
     * you're using it on supports the precompiled contract for modular exponentiation at address 0x05 as specified in
     * https://eips.ethereum.org/EIPS/eip-198[EIP-198]. Otherwise, the underlying function will succeed given the lack
     * of a revert, but the result may be incorrectly interpreted as 0.
     */
    function tryModExp(uint256 b, uint256 e, uint256 m) internal view returns (bool success, uint256 result) {
        if (m == 0) return (false, 0);
        assembly ("memory-safe") {
            let ptr := mload(0x40)
            // | Offset    | Content    | Content (Hex)                                                      |
            // |-----------|------------|--------------------------------------------------------------------|
            // | 0x00:0x1f | size of b  | 0x0000000000000000000000000000000000000000000000000000000000000020 |
            // | 0x20:0x3f | size of e  | 0x0000000000000000000000000000000000000000000000000000000000000020 |
            // | 0x40:0x5f | size of m  | 0x0000000000000000000000000000000000000000000000000000000000000020 |
            // | 0x60:0x7f | value of b | 0x<.............................................................b> |
            // | 0x80:0x9f | value of e | 0x<.............................................................e> |
            // | 0xa0:0xbf | value of m | 0x<.............................................................m> |
            mstore(ptr, 0x20)
            mstore(add(ptr, 0x20), 0x20)
            mstore(add(ptr, 0x40), 0x20)
            mstore(add(ptr, 0x60), b)
            mstore(add(ptr, 0x80), e)
            mstore(add(ptr, 0xa0), m)

            // Given the result < m, it's guaranteed to fit in 32 bytes,
            // so we can use the memory scratch space located at offset 0.
            success := staticcall(gas(), 0x05, ptr, 0xc0, 0x00, 0x20)
            result := mload(0x00)
        }
    }

    /**
     * @dev Variant of {modExp} that supports inputs of arbitrary length.
     */
    function modExp(bytes memory b, bytes memory e, bytes memory m) internal view returns (bytes memory) {
        (bool success, bytes memory result) = tryModExp(b, e, m);
        if (!success) {
            Panic.panic(Panic.DIVISION_BY_ZERO);
        }
        return result;
    }

    /**
     * @dev Variant of {tryModExp} that supports inputs of arbitrary length.
     */
    function tryModExp(
        bytes memory b,
        bytes memory e,
        bytes memory m
    ) internal view returns (bool success, bytes memory result) {
        if (_zeroBytes(m)) return (false, new bytes(0));

        uint256 mLen = m.length;

        // Encode call args in result and move the free memory pointer
        result = abi.encodePacked(b.length, e.length, mLen, b, e, m);

        assembly ("memory-safe") {
            let dataPtr := add(result, 0x20)
            // Write result on top of args to avoid allocating extra memory.
            success := staticcall(gas(), 0x05, dataPtr, mload(result), dataPtr, mLen)
            // Overwrite the length.
            // result.length > returndatasize() is guaranteed because returndatasize() == m.length
            mstore(result, mLen)
            // Set the memory pointer after the returned data.
            mstore(0x40, add(dataPtr, mLen))
        }
    }

    /**
     * @dev Returns whether the provided byte array is zero.
     */
    function _zeroBytes(bytes memory byteArray) private pure returns (bool) {
        for (uint256 i = 0; i < byteArray.length; ++i) {
            if (byteArray[i] != 0) {
                return false;
            }
        }
        return true;
    }

    /**
     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded
     * towards zero.
     *
     * This method is based on Newton's method for computing square roots; the algorithm is restricted to only
     * using integer operations.
     */
    function sqrt(uint256 a) internal pure returns (uint256) {
        unchecked {
            // Take care of easy edge cases when a == 0 or a == 1
            if (a <= 1) {
                return a;
            }

            // In this function, we use Newton's method to get a root of `f(x) := x² - a`. It involves building a
            // sequence x_n that converges toward sqrt(a). For each iteration x_n, we also define the error between
            // the current value as `ε_n = | x_n - sqrt(a) |`.
            //
            // For our first estimation, we consider `e` the smallest power of 2 which is bigger than the square root
            // of the target. (i.e. `2**(e-1) ≤ sqrt(a) < 2**e`). We know that `e ≤ 128` because `(2¹²⁸)² = 2²⁵⁶` is
            // bigger than any uint256.
            //
            // By noticing that
            // `2**(e-1) ≤ sqrt(a) < 2**e → (2**(e-1))² ≤ a < (2**e)² → 2**(2*e-2) ≤ a < 2**(2*e)`
            // we can deduce that `e - 1` is `log2(a) / 2`. We can thus compute `x_n = 2**(e-1)` using a method similar
            // to the msb function.
            uint256 aa = a;
            uint256 xn = 1;

            if (aa >= (1 << 128)) {
                aa >>= 128;
                xn <<= 64;
            }
            if (aa >= (1 << 64)) {
                aa >>= 64;
                xn <<= 32;
            }
            if (aa >= (1 << 32)) {
                aa >>= 32;
                xn <<= 16;
            }
            if (aa >= (1 << 16)) {
                aa >>= 16;
                xn <<= 8;
            }
            if (aa >= (1 << 8)) {
                aa >>= 8;
                xn <<= 4;
            }
            if (aa >= (1 << 4)) {
                aa >>= 4;
                xn <<= 2;
            }
            if (aa >= (1 << 2)) {
                xn <<= 1;
            }

            // We now have x_n such that `x_n = 2**(e-1) ≤ sqrt(a) < 2**e = 2 * x_n`. This implies ε_n ≤ 2**(e-1).
            //
            // We can refine our estimation by noticing that the middle of that interval minimizes the error.
            // If we move x_n to equal 2**(e-1) + 2**(e-2), then we reduce the error to ε_n ≤ 2**(e-2).
            // This is going to be our x_0 (and ε_0)
            xn = (3 * xn) >> 1; // ε_0 := | x_0 - sqrt(a) | ≤ 2**(e-2)

            // From here, Newton's method give us:
            // x_{n+1} = (x_n + a / x_n) / 2
            //
            // One should note that:
            // x_{n+1}² - a = ((x_n + a / x_n) / 2)² - a
            //              = ((x_n² + a) / (2 * x_n))² - a
            //              = (x_n⁴ + 2 * a * x_n² + a²) / (4 * x_n²) - a
            //              = (x_n⁴ + 2 * a * x_n² + a² - 4 * a * x_n²) / (4 * x_n²)
            //              = (x_n⁴ - 2 * a * x_n² + a²) / (4 * x_n²)
            //              = (x_n² - a)² / (2 * x_n)²
            //              = ((x_n² - a) / (2 * x_n))²
            //              ≥ 0
            // Which proves that for all n ≥ 1, sqrt(a) ≤ x_n
            //
            // This gives us the proof of quadratic convergence of the sequence:
            // ε_{n+1} = | x_{n+1} - sqrt(a) |
            //         = | (x_n + a / x_n) / 2 - sqrt(a) |
            //         = | (x_n² + a - 2*x_n*sqrt(a)) / (2 * x_n) |
            //         = | (x_n - sqrt(a))² / (2 * x_n) |
            //         = | ε_n² / (2 * x_n) |
            //         = ε_n² / | (2 * x_n) |
            //
            // For the first iteration, we have a special case where x_0 is known:
            // ε_1 = ε_0² / | (2 * x_0) |
            //     ≤ (2**(e-2))² / (2 * (2**(e-1) + 2**(e-2)))
            //     ≤ 2**(2*e-4) / (3 * 2**(e-1))
            //     ≤ 2**(e-3) / 3
            //     ≤ 2**(e-3-log2(3))
            //     ≤ 2**(e-4.5)
            //
            // For the following iterations, we use the fact that, 2**(e-1) ≤ sqrt(a) ≤ x_n:
            // ε_{n+1} = ε_n² / | (2 * x_n) |
            //         ≤ (2**(e-k))² / (2 * 2**(e-1))
            //         ≤ 2**(2*e-2*k) / 2**e
            //         ≤ 2**(e-2*k)
            xn = (xn + a / xn) >> 1; // ε_1 := | x_1 - sqrt(a) | ≤ 2**(e-4.5)  -- special case, see above
            xn = (xn + a / xn) >> 1; // ε_2 := | x_2 - sqrt(a) | ≤ 2**(e-9)    -- general case with k = 4.5
            xn = (xn + a / xn) >> 1; // ε_3 := | x_3 - sqrt(a) | ≤ 2**(e-18)   -- general case with k = 9
            xn = (xn + a / xn) >> 1; // ε_4 := | x_4 - sqrt(a) | ≤ 2**(e-36)   -- general case with k = 18
            xn = (xn + a / xn) >> 1; // ε_5 := | x_5 - sqrt(a) | ≤ 2**(e-72)   -- general case with k = 36
            xn = (xn + a / xn) >> 1; // ε_6 := | x_6 - sqrt(a) | ≤ 2**(e-144)  -- general case with k = 72

            // Because e ≤ 128 (as discussed during the first estimation phase), we know have reached a precision
            // ε_6 ≤ 2**(e-144) < 1. Given we're operating on integers, then we can ensure that xn is now either
            // sqrt(a) or sqrt(a) + 1.
            return xn - SafeCast.toUint(xn > a / xn);
        }
    }

    /**
     * @dev Calculates sqrt(a), following the selected rounding direction.
     */
    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = sqrt(a);
            return result + SafeCast.toUint(unsignedRoundsUp(rounding) && result * result < a);
        }
    }

    /**
     * @dev Return the log in base 2 of a positive value rounded towards zero.
     * Returns 0 if given 0.
     */
    function log2(uint256 x) internal pure returns (uint256 r) {
        // If value has upper 128 bits set, log2 result is at least 128
        r = SafeCast.toUint(x > 0xffffffffffffffffffffffffffffffff) << 7;
        // If upper 64 bits of 128-bit half set, add 64 to result
        r |= SafeCast.toUint((x >> r) > 0xffffffffffffffff) << 6;
        // If upper 32 bits of 64-bit half set, add 32 to result
        r |= SafeCast.toUint((x >> r) > 0xffffffff) << 5;
        // If upper 16 bits of 32-bit half set, add 16 to result
        r |= SafeCast.toUint((x >> r) > 0xffff) << 4;
        // If upper 8 bits of 16-bit half set, add 8 to result
        r |= SafeCast.toUint((x >> r) > 0xff) << 3;
        // If upper 4 bits of 8-bit half set, add 4 to result
        r |= SafeCast.toUint((x >> r) > 0xf) << 2;

        // Shifts value right by the current result and use it as an index into this lookup table:
        //
        // | x (4 bits) |  index  | table[index] = MSB position |
        // |------------|---------|-----------------------------|
        // |    0000    |    0    |        table[0] = 0         |
        // |    0001    |    1    |        table[1] = 0         |
        // |    0010    |    2    |        table[2] = 1         |
        // |    0011    |    3    |        table[3] = 1         |
        // |    0100    |    4    |        table[4] = 2         |
        // |    0101    |    5    |        table[5] = 2         |
        // |    0110    |    6    |        table[6] = 2         |
        // |    0111    |    7    |        table[7] = 2         |
        // |    1000    |    8    |        table[8] = 3         |
        // |    1001    |    9    |        table[9] = 3         |
        // |    1010    |   10    |        table[10] = 3        |
        // |    1011    |   11    |        table[11] = 3        |
        // |    1100    |   12    |        table[12] = 3        |
        // |    1101    |   13    |        table[13] = 3        |
        // |    1110    |   14    |        table[14] = 3        |
        // |    1111    |   15    |        table[15] = 3        |
        //
        // The lookup table is represented as a 32-byte value with the MSB positions for 0-15 in the last 16 bytes.
        assembly ("memory-safe") {
            r := or(r, byte(shr(r, x), 0x0000010102020202030303030303030300000000000000000000000000000000))
        }
    }

    /**
     * @dev Return the log in base 2, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log2(value);
            return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 1 << result < value);
        }
    }

    /**
     * @dev Return the log in base 10 of a positive value rounded towards zero.
     * Returns 0 if given 0.
     */
    function log10(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >= 10 ** 64) {
                value /= 10 ** 64;
                result += 64;
            }
            if (value >= 10 ** 32) {
                value /= 10 ** 32;
                result += 32;
            }
            if (value >= 10 ** 16) {
                value /= 10 ** 16;
                result += 16;
            }
            if (value >= 10 ** 8) {
                value /= 10 ** 8;
                result += 8;
            }
            if (value >= 10 ** 4) {
                value /= 10 ** 4;
                result += 4;
            }
            if (value >= 10 ** 2) {
                value /= 10 ** 2;
                result += 2;
            }
            if (value >= 10 ** 1) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log10(value);
            return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 10 ** result < value);
        }
    }

    /**
     * @dev Return the log in base 256 of a positive value rounded towards zero.
     * Returns 0 if given 0.
     *
     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
     */
    function log256(uint256 x) internal pure returns (uint256 r) {
        // If value has upper 128 bits set, log2 result is at least 128
        r = SafeCast.toUint(x > 0xffffffffffffffffffffffffffffffff) << 7;
        // If upper 64 bits of 128-bit half set, add 64 to result
        r |= SafeCast.toUint((x >> r) > 0xffffffffffffffff) << 6;
        // If upper 32 bits of 64-bit half set, add 32 to result
        r |= SafeCast.toUint((x >> r) > 0xffffffff) << 5;
        // If upper 16 bits of 32-bit half set, add 16 to result
        r |= SafeCast.toUint((x >> r) > 0xffff) << 4;
        // Add 1 if upper 8 bits of 16-bit half set, and divide accumulated result by 8
        return (r >> 3) | SafeCast.toUint((x >> r) > 0xff);
    }

    /**
     * @dev Return the log in base 256, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log256(value);
            return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 1 << (result << 3) < value);
        }
    }

    /**
     * @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers.
     */
    function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) {
        return uint8(rounding) % 2 == 1;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/math/SafeCast.sol)
// This file was procedurally generated from scripts/generate/templates/SafeCast.js.

pragma solidity ^0.8.20;

/**
 * @dev Wrappers over Solidity's uintXX/intXX/bool casting operators with added overflow
 * checks.
 *
 * Downcasting from uint256/int256 in Solidity does not revert on overflow. This can
 * easily result in undesired exploitation or bugs, since developers usually
 * assume that overflows raise errors. `SafeCast` restores this intuition by
 * reverting the transaction when such an operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeCast {
    /**
     * @dev Value doesn't fit in an uint of `bits` size.
     */
    error SafeCastOverflowedUintDowncast(uint8 bits, uint256 value);

    /**
     * @dev An int value doesn't fit in an uint of `bits` size.
     */
    error SafeCastOverflowedIntToUint(int256 value);

    /**
     * @dev Value doesn't fit in an int of `bits` size.
     */
    error SafeCastOverflowedIntDowncast(uint8 bits, int256 value);

    /**
     * @dev An uint value doesn't fit in an int of `bits` size.
     */
    error SafeCastOverflowedUintToInt(uint256 value);

    /**
     * @dev Returns the downcasted uint248 from uint256, reverting on
     * overflow (when the input is greater than largest uint248).
     *
     * Counterpart to Solidity's `uint248` operator.
     *
     * Requirements:
     *
     * - input must fit into 248 bits
     */
    function toUint248(uint256 value) internal pure returns (uint248) {
        if (value > type(uint248).max) {
            revert SafeCastOverflowedUintDowncast(248, value);
        }
        return uint248(value);
    }

    /**
     * @dev Returns the downcasted uint240 from uint256, reverting on
     * overflow (when the input is greater than largest uint240).
     *
     * Counterpart to Solidity's `uint240` operator.
     *
     * Requirements:
     *
     * - input must fit into 240 bits
     */
    function toUint240(uint256 value) internal pure returns (uint240) {
        if (value > type(uint240).max) {
            revert SafeCastOverflowedUintDowncast(240, value);
        }
        return uint240(value);
    }

    /**
     * @dev Returns the downcasted uint232 from uint256, reverting on
     * overflow (when the input is greater than largest uint232).
     *
     * Counterpart to Solidity's `uint232` operator.
     *
     * Requirements:
     *
     * - input must fit into 232 bits
     */
    function toUint232(uint256 value) internal pure returns (uint232) {
        if (value > type(uint232).max) {
            revert SafeCastOverflowedUintDowncast(232, value);
        }
        return uint232(value);
    }

    /**
     * @dev Returns the downcasted uint224 from uint256, reverting on
     * overflow (when the input is greater than largest uint224).
     *
     * Counterpart to Solidity's `uint224` operator.
     *
     * Requirements:
     *
     * - input must fit into 224 bits
     */
    function toUint224(uint256 value) internal pure returns (uint224) {
        if (value > type(uint224).max) {
            revert SafeCastOverflowedUintDowncast(224, value);
        }
        return uint224(value);
    }

    /**
     * @dev Returns the downcasted uint216 from uint256, reverting on
     * overflow (when the input is greater than largest uint216).
     *
     * Counterpart to Solidity's `uint216` operator.
     *
     * Requirements:
     *
     * - input must fit into 216 bits
     */
    function toUint216(uint256 value) internal pure returns (uint216) {
        if (value > type(uint216).max) {
            revert SafeCastOverflowedUintDowncast(216, value);
        }
        return uint216(value);
    }

    /**
     * @dev Returns the downcasted uint208 from uint256, reverting on
     * overflow (when the input is greater than largest uint208).
     *
     * Counterpart to Solidity's `uint208` operator.
     *
     * Requirements:
     *
     * - input must fit into 208 bits
     */
    function toUint208(uint256 value) internal pure returns (uint208) {
        if (value > type(uint208).max) {
            revert SafeCastOverflowedUintDowncast(208, value);
        }
        return uint208(value);
    }

    /**
     * @dev Returns the downcasted uint200 from uint256, reverting on
     * overflow (when the input is greater than largest uint200).
     *
     * Counterpart to Solidity's `uint200` operator.
     *
     * Requirements:
     *
     * - input must fit into 200 bits
     */
    function toUint200(uint256 value) internal pure returns (uint200) {
        if (value > type(uint200).max) {
            revert SafeCastOverflowedUintDowncast(200, value);
        }
        return uint200(value);
    }

    /**
     * @dev Returns the downcasted uint192 from uint256, reverting on
     * overflow (when the input is greater than largest uint192).
     *
     * Counterpart to Solidity's `uint192` operator.
     *
     * Requirements:
     *
     * - input must fit into 192 bits
     */
    function toUint192(uint256 value) internal pure returns (uint192) {
        if (value > type(uint192).max) {
            revert SafeCastOverflowedUintDowncast(192, value);
        }
        return uint192(value);
    }

    /**
     * @dev Returns the downcasted uint184 from uint256, reverting on
     * overflow (when the input is greater than largest uint184).
     *
     * Counterpart to Solidity's `uint184` operator.
     *
     * Requirements:
     *
     * - input must fit into 184 bits
     */
    function toUint184(uint256 value) internal pure returns (uint184) {
        if (value > type(uint184).max) {
            revert SafeCastOverflowedUintDowncast(184, value);
        }
        return uint184(value);
    }

    /**
     * @dev Returns the downcasted uint176 from uint256, reverting on
     * overflow (when the input is greater than largest uint176).
     *
     * Counterpart to Solidity's `uint176` operator.
     *
     * Requirements:
     *
     * - input must fit into 176 bits
     */
    function toUint176(uint256 value) internal pure returns (uint176) {
        if (value > type(uint176).max) {
            revert SafeCastOverflowedUintDowncast(176, value);
        }
        return uint176(value);
    }

    /**
     * @dev Returns the downcasted uint168 from uint256, reverting on
     * overflow (when the input is greater than largest uint168).
     *
     * Counterpart to Solidity's `uint168` operator.
     *
     * Requirements:
     *
     * - input must fit into 168 bits
     */
    function toUint168(uint256 value) internal pure returns (uint168) {
        if (value > type(uint168).max) {
            revert SafeCastOverflowedUintDowncast(168, value);
        }
        return uint168(value);
    }

    /**
     * @dev Returns the downcasted uint160 from uint256, reverting on
     * overflow (when the input is greater than largest uint160).
     *
     * Counterpart to Solidity's `uint160` operator.
     *
     * Requirements:
     *
     * - input must fit into 160 bits
     */
    function toUint160(uint256 value) internal pure returns (uint160) {
        if (value > type(uint160).max) {
            revert SafeCastOverflowedUintDowncast(160, value);
        }
        return uint160(value);
    }

    /**
     * @dev Returns the downcasted uint152 from uint256, reverting on
     * overflow (when the input is greater than largest uint152).
     *
     * Counterpart to Solidity's `uint152` operator.
     *
     * Requirements:
     *
     * - input must fit into 152 bits
     */
    function toUint152(uint256 value) internal pure returns (uint152) {
        if (value > type(uint152).max) {
            revert SafeCastOverflowedUintDowncast(152, value);
        }
        return uint152(value);
    }

    /**
     * @dev Returns the downcasted uint144 from uint256, reverting on
     * overflow (when the input is greater than largest uint144).
     *
     * Counterpart to Solidity's `uint144` operator.
     *
     * Requirements:
     *
     * - input must fit into 144 bits
     */
    function toUint144(uint256 value) internal pure returns (uint144) {
        if (value > type(uint144).max) {
            revert SafeCastOverflowedUintDowncast(144, value);
        }
        return uint144(value);
    }

    /**
     * @dev Returns the downcasted uint136 from uint256, reverting on
     * overflow (when the input is greater than largest uint136).
     *
     * Counterpart to Solidity's `uint136` operator.
     *
     * Requirements:
     *
     * - input must fit into 136 bits
     */
    function toUint136(uint256 value) internal pure returns (uint136) {
        if (value > type(uint136).max) {
            revert SafeCastOverflowedUintDowncast(136, value);
        }
        return uint136(value);
    }

    /**
     * @dev Returns the downcasted uint128 from uint256, reverting on
     * overflow (when the input is greater than largest uint128).
     *
     * Counterpart to Solidity's `uint128` operator.
     *
     * Requirements:
     *
     * - input must fit into 128 bits
     */
    function toUint128(uint256 value) internal pure returns (uint128) {
        if (value > type(uint128).max) {
            revert SafeCastOverflowedUintDowncast(128, value);
        }
        return uint128(value);
    }

    /**
     * @dev Returns the downcasted uint120 from uint256, reverting on
     * overflow (when the input is greater than largest uint120).
     *
     * Counterpart to Solidity's `uint120` operator.
     *
     * Requirements:
     *
     * - input must fit into 120 bits
     */
    function toUint120(uint256 value) internal pure returns (uint120) {
        if (value > type(uint120).max) {
            revert SafeCastOverflowedUintDowncast(120, value);
        }
        return uint120(value);
    }

    /**
     * @dev Returns the downcasted uint112 from uint256, reverting on
     * overflow (when the input is greater than largest uint112).
     *
     * Counterpart to Solidity's `uint112` operator.
     *
     * Requirements:
     *
     * - input must fit into 112 bits
     */
    function toUint112(uint256 value) internal pure returns (uint112) {
        if (value > type(uint112).max) {
            revert SafeCastOverflowedUintDowncast(112, value);
        }
        return uint112(value);
    }

    /**
     * @dev Returns the downcasted uint104 from uint256, reverting on
     * overflow (when the input is greater than largest uint104).
     *
     * Counterpart to Solidity's `uint104` operator.
     *
     * Requirements:
     *
     * - input must fit into 104 bits
     */
    function toUint104(uint256 value) internal pure returns (uint104) {
        if (value > type(uint104).max) {
            revert SafeCastOverflowedUintDowncast(104, value);
        }
        return uint104(value);
    }

    /**
     * @dev Returns the downcasted uint96 from uint256, reverting on
     * overflow (when the input is greater than largest uint96).
     *
     * Counterpart to Solidity's `uint96` operator.
     *
     * Requirements:
     *
     * - input must fit into 96 bits
     */
    function toUint96(uint256 value) internal pure returns (uint96) {
        if (value > type(uint96).max) {
            revert SafeCastOverflowedUintDowncast(96, value);
        }
        return uint96(value);
    }

    /**
     * @dev Returns the downcasted uint88 from uint256, reverting on
     * overflow (when the input is greater than largest uint88).
     *
     * Counterpart to Solidity's `uint88` operator.
     *
     * Requirements:
     *
     * - input must fit into 88 bits
     */
    function toUint88(uint256 value) internal pure returns (uint88) {
        if (value > type(uint88).max) {
            revert SafeCastOverflowedUintDowncast(88, value);
        }
        return uint88(value);
    }

    /**
     * @dev Returns the downcasted uint80 from uint256, reverting on
     * overflow (when the input is greater than largest uint80).
     *
     * Counterpart to Solidity's `uint80` operator.
     *
     * Requirements:
     *
     * - input must fit into 80 bits
     */
    function toUint80(uint256 value) internal pure returns (uint80) {
        if (value > type(uint80).max) {
            revert SafeCastOverflowedUintDowncast(80, value);
        }
        return uint80(value);
    }

    /**
     * @dev Returns the downcasted uint72 from uint256, reverting on
     * overflow (when the input is greater than largest uint72).
     *
     * Counterpart to Solidity's `uint72` operator.
     *
     * Requirements:
     *
     * - input must fit into 72 bits
     */
    function toUint72(uint256 value) internal pure returns (uint72) {
        if (value > type(uint72).max) {
            revert SafeCastOverflowedUintDowncast(72, value);
        }
        return uint72(value);
    }

    /**
     * @dev Returns the downcasted uint64 from uint256, reverting on
     * overflow (when the input is greater than largest uint64).
     *
     * Counterpart to Solidity's `uint64` operator.
     *
     * Requirements:
     *
     * - input must fit into 64 bits
     */
    function toUint64(uint256 value) internal pure returns (uint64) {
        if (value > type(uint64).max) {
            revert SafeCastOverflowedUintDowncast(64, value);
        }
        return uint64(value);
    }

    /**
     * @dev Returns the downcasted uint56 from uint256, reverting on
     * overflow (when the input is greater than largest uint56).
     *
     * Counterpart to Solidity's `uint56` operator.
     *
     * Requirements:
     *
     * - input must fit into 56 bits
     */
    function toUint56(uint256 value) internal pure returns (uint56) {
        if (value > type(uint56).max) {
            revert SafeCastOverflowedUintDowncast(56, value);
        }
        return uint56(value);
    }

    /**
     * @dev Returns the downcasted uint48 from uint256, reverting on
     * overflow (when the input is greater than largest uint48).
     *
     * Counterpart to Solidity's `uint48` operator.
     *
     * Requirements:
     *
     * - input must fit into 48 bits
     */
    function toUint48(uint256 value) internal pure returns (uint48) {
        if (value > type(uint48).max) {
            revert SafeCastOverflowedUintDowncast(48, value);
        }
        return uint48(value);
    }

    /**
     * @dev Returns the downcasted uint40 from uint256, reverting on
     * overflow (when the input is greater than largest uint40).
     *
     * Counterpart to Solidity's `uint40` operator.
     *
     * Requirements:
     *
     * - input must fit into 40 bits
     */
    function toUint40(uint256 value) internal pure returns (uint40) {
        if (value > type(uint40).max) {
            revert SafeCastOverflowedUintDowncast(40, value);
        }
        return uint40(value);
    }

    /**
     * @dev Returns the downcasted uint32 from uint256, reverting on
     * overflow (when the input is greater than largest uint32).
     *
     * Counterpart to Solidity's `uint32` operator.
     *
     * Requirements:
     *
     * - input must fit into 32 bits
     */
    function toUint32(uint256 value) internal pure returns (uint32) {
        if (value > type(uint32).max) {
            revert SafeCastOverflowedUintDowncast(32, value);
        }
        return uint32(value);
    }

    /**
     * @dev Returns the downcasted uint24 from uint256, reverting on
     * overflow (when the input is greater than largest uint24).
     *
     * Counterpart to Solidity's `uint24` operator.
     *
     * Requirements:
     *
     * - input must fit into 24 bits
     */
    function toUint24(uint256 value) internal pure returns (uint24) {
        if (value > type(uint24).max) {
            revert SafeCastOverflowedUintDowncast(24, value);
        }
        return uint24(value);
    }

    /**
     * @dev Returns the downcasted uint16 from uint256, reverting on
     * overflow (when the input is greater than largest uint16).
     *
     * Counterpart to Solidity's `uint16` operator.
     *
     * Requirements:
     *
     * - input must fit into 16 bits
     */
    function toUint16(uint256 value) internal pure returns (uint16) {
        if (value > type(uint16).max) {
            revert SafeCastOverflowedUintDowncast(16, value);
        }
        return uint16(value);
    }

    /**
     * @dev Returns the downcasted uint8 from uint256, reverting on
     * overflow (when the input is greater than largest uint8).
     *
     * Counterpart to Solidity's `uint8` operator.
     *
     * Requirements:
     *
     * - input must fit into 8 bits
     */
    function toUint8(uint256 value) internal pure returns (uint8) {
        if (value > type(uint8).max) {
            revert SafeCastOverflowedUintDowncast(8, value);
        }
        return uint8(value);
    }

    /**
     * @dev Converts a signed int256 into an unsigned uint256.
     *
     * Requirements:
     *
     * - input must be greater than or equal to 0.
     */
    function toUint256(int256 value) internal pure returns (uint256) {
        if (value < 0) {
            revert SafeCastOverflowedIntToUint(value);
        }
        return uint256(value);
    }

    /**
     * @dev Returns the downcasted int248 from int256, reverting on
     * overflow (when the input is less than smallest int248 or
     * greater than largest int248).
     *
     * Counterpart to Solidity's `int248` operator.
     *
     * Requirements:
     *
     * - input must fit into 248 bits
     */
    function toInt248(int256 value) internal pure returns (int248 downcasted) {
        downcasted = int248(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(248, value);
        }
    }

    /**
     * @dev Returns the downcasted int240 from int256, reverting on
     * overflow (when the input is less than smallest int240 or
     * greater than largest int240).
     *
     * Counterpart to Solidity's `int240` operator.
     *
     * Requirements:
     *
     * - input must fit into 240 bits
     */
    function toInt240(int256 value) internal pure returns (int240 downcasted) {
        downcasted = int240(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(240, value);
        }
    }

    /**
     * @dev Returns the downcasted int232 from int256, reverting on
     * overflow (when the input is less than smallest int232 or
     * greater than largest int232).
     *
     * Counterpart to Solidity's `int232` operator.
     *
     * Requirements:
     *
     * - input must fit into 232 bits
     */
    function toInt232(int256 value) internal pure returns (int232 downcasted) {
        downcasted = int232(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(232, value);
        }
    }

    /**
     * @dev Returns the downcasted int224 from int256, reverting on
     * overflow (when the input is less than smallest int224 or
     * greater than largest int224).
     *
     * Counterpart to Solidity's `int224` operator.
     *
     * Requirements:
     *
     * - input must fit into 224 bits
     */
    function toInt224(int256 value) internal pure returns (int224 downcasted) {
        downcasted = int224(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(224, value);
        }
    }

    /**
     * @dev Returns the downcasted int216 from int256, reverting on
     * overflow (when the input is less than smallest int216 or
     * greater than largest int216).
     *
     * Counterpart to Solidity's `int216` operator.
     *
     * Requirements:
     *
     * - input must fit into 216 bits
     */
    function toInt216(int256 value) internal pure returns (int216 downcasted) {
        downcasted = int216(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(216, value);
        }
    }

    /**
     * @dev Returns the downcasted int208 from int256, reverting on
     * overflow (when the input is less than smallest int208 or
     * greater than largest int208).
     *
     * Counterpart to Solidity's `int208` operator.
     *
     * Requirements:
     *
     * - input must fit into 208 bits
     */
    function toInt208(int256 value) internal pure returns (int208 downcasted) {
        downcasted = int208(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(208, value);
        }
    }

    /**
     * @dev Returns the downcasted int200 from int256, reverting on
     * overflow (when the input is less than smallest int200 or
     * greater than largest int200).
     *
     * Counterpart to Solidity's `int200` operator.
     *
     * Requirements:
     *
     * - input must fit into 200 bits
     */
    function toInt200(int256 value) internal pure returns (int200 downcasted) {
        downcasted = int200(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(200, value);
        }
    }

    /**
     * @dev Returns the downcasted int192 from int256, reverting on
     * overflow (when the input is less than smallest int192 or
     * greater than largest int192).
     *
     * Counterpart to Solidity's `int192` operator.
     *
     * Requirements:
     *
     * - input must fit into 192 bits
     */
    function toInt192(int256 value) internal pure returns (int192 downcasted) {
        downcasted = int192(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(192, value);
        }
    }

    /**
     * @dev Returns the downcasted int184 from int256, reverting on
     * overflow (when the input is less than smallest int184 or
     * greater than largest int184).
     *
     * Counterpart to Solidity's `int184` operator.
     *
     * Requirements:
     *
     * - input must fit into 184 bits
     */
    function toInt184(int256 value) internal pure returns (int184 downcasted) {
        downcasted = int184(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(184, value);
        }
    }

    /**
     * @dev Returns the downcasted int176 from int256, reverting on
     * overflow (when the input is less than smallest int176 or
     * greater than largest int176).
     *
     * Counterpart to Solidity's `int176` operator.
     *
     * Requirements:
     *
     * - input must fit into 176 bits
     */
    function toInt176(int256 value) internal pure returns (int176 downcasted) {
        downcasted = int176(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(176, value);
        }
    }

    /**
     * @dev Returns the downcasted int168 from int256, reverting on
     * overflow (when the input is less than smallest int168 or
     * greater than largest int168).
     *
     * Counterpart to Solidity's `int168` operator.
     *
     * Requirements:
     *
     * - input must fit into 168 bits
     */
    function toInt168(int256 value) internal pure returns (int168 downcasted) {
        downcasted = int168(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(168, value);
        }
    }

    /**
     * @dev Returns the downcasted int160 from int256, reverting on
     * overflow (when the input is less than smallest int160 or
     * greater than largest int160).
     *
     * Counterpart to Solidity's `int160` operator.
     *
     * Requirements:
     *
     * - input must fit into 160 bits
     */
    function toInt160(int256 value) internal pure returns (int160 downcasted) {
        downcasted = int160(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(160, value);
        }
    }

    /**
     * @dev Returns the downcasted int152 from int256, reverting on
     * overflow (when the input is less than smallest int152 or
     * greater than largest int152).
     *
     * Counterpart to Solidity's `int152` operator.
     *
     * Requirements:
     *
     * - input must fit into 152 bits
     */
    function toInt152(int256 value) internal pure returns (int152 downcasted) {
        downcasted = int152(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(152, value);
        }
    }

    /**
     * @dev Returns the downcasted int144 from int256, reverting on
     * overflow (when the input is less than smallest int144 or
     * greater than largest int144).
     *
     * Counterpart to Solidity's `int144` operator.
     *
     * Requirements:
     *
     * - input must fit into 144 bits
     */
    function toInt144(int256 value) internal pure returns (int144 downcasted) {
        downcasted = int144(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(144, value);
        }
    }

    /**
     * @dev Returns the downcasted int136 from int256, reverting on
     * overflow (when the input is less than smallest int136 or
     * greater than largest int136).
     *
     * Counterpart to Solidity's `int136` operator.
     *
     * Requirements:
     *
     * - input must fit into 136 bits
     */
    function toInt136(int256 value) internal pure returns (int136 downcasted) {
        downcasted = int136(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(136, value);
        }
    }

    /**
     * @dev Returns the downcasted int128 from int256, reverting on
     * overflow (when the input is less than smallest int128 or
     * greater than largest int128).
     *
     * Counterpart to Solidity's `int128` operator.
     *
     * Requirements:
     *
     * - input must fit into 128 bits
     */
    function toInt128(int256 value) internal pure returns (int128 downcasted) {
        downcasted = int128(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(128, value);
        }
    }

    /**
     * @dev Returns the downcasted int120 from int256, reverting on
     * overflow (when the input is less than smallest int120 or
     * greater than largest int120).
     *
     * Counterpart to Solidity's `int120` operator.
     *
     * Requirements:
     *
     * - input must fit into 120 bits
     */
    function toInt120(int256 value) internal pure returns (int120 downcasted) {
        downcasted = int120(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(120, value);
        }
    }

    /**
     * @dev Returns the downcasted int112 from int256, reverting on
     * overflow (when the input is less than smallest int112 or
     * greater than largest int112).
     *
     * Counterpart to Solidity's `int112` operator.
     *
     * Requirements:
     *
     * - input must fit into 112 bits
     */
    function toInt112(int256 value) internal pure returns (int112 downcasted) {
        downcasted = int112(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(112, value);
        }
    }

    /**
     * @dev Returns the downcasted int104 from int256, reverting on
     * overflow (when the input is less than smallest int104 or
     * greater than largest int104).
     *
     * Counterpart to Solidity's `int104` operator.
     *
     * Requirements:
     *
     * - input must fit into 104 bits
     */
    function toInt104(int256 value) internal pure returns (int104 downcasted) {
        downcasted = int104(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(104, value);
        }
    }

    /**
     * @dev Returns the downcasted int96 from int256, reverting on
     * overflow (when the input is less than smallest int96 or
     * greater than largest int96).
     *
     * Counterpart to Solidity's `int96` operator.
     *
     * Requirements:
     *
     * - input must fit into 96 bits
     */
    function toInt96(int256 value) internal pure returns (int96 downcasted) {
        downcasted = int96(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(96, value);
        }
    }

    /**
     * @dev Returns the downcasted int88 from int256, reverting on
     * overflow (when the input is less than smallest int88 or
     * greater than largest int88).
     *
     * Counterpart to Solidity's `int88` operator.
     *
     * Requirements:
     *
     * - input must fit into 88 bits
     */
    function toInt88(int256 value) internal pure returns (int88 downcasted) {
        downcasted = int88(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(88, value);
        }
    }

    /**
     * @dev Returns the downcasted int80 from int256, reverting on
     * overflow (when the input is less than smallest int80 or
     * greater than largest int80).
     *
     * Counterpart to Solidity's `int80` operator.
     *
     * Requirements:
     *
     * - input must fit into 80 bits
     */
    function toInt80(int256 value) internal pure returns (int80 downcasted) {
        downcasted = int80(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(80, value);
        }
    }

    /**
     * @dev Returns the downcasted int72 from int256, reverting on
     * overflow (when the input is less than smallest int72 or
     * greater than largest int72).
     *
     * Counterpart to Solidity's `int72` operator.
     *
     * Requirements:
     *
     * - input must fit into 72 bits
     */
    function toInt72(int256 value) internal pure returns (int72 downcasted) {
        downcasted = int72(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(72, value);
        }
    }

    /**
     * @dev Returns the downcasted int64 from int256, reverting on
     * overflow (when the input is less than smallest int64 or
     * greater than largest int64).
     *
     * Counterpart to Solidity's `int64` operator.
     *
     * Requirements:
     *
     * - input must fit into 64 bits
     */
    function toInt64(int256 value) internal pure returns (int64 downcasted) {
        downcasted = int64(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(64, value);
        }
    }

    /**
     * @dev Returns the downcasted int56 from int256, reverting on
     * overflow (when the input is less than smallest int56 or
     * greater than largest int56).
     *
     * Counterpart to Solidity's `int56` operator.
     *
     * Requirements:
     *
     * - input must fit into 56 bits
     */
    function toInt56(int256 value) internal pure returns (int56 downcasted) {
        downcasted = int56(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(56, value);
        }
    }

    /**
     * @dev Returns the downcasted int48 from int256, reverting on
     * overflow (when the input is less than smallest int48 or
     * greater than largest int48).
     *
     * Counterpart to Solidity's `int48` operator.
     *
     * Requirements:
     *
     * - input must fit into 48 bits
     */
    function toInt48(int256 value) internal pure returns (int48 downcasted) {
        downcasted = int48(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(48, value);
        }
    }

    /**
     * @dev Returns the downcasted int40 from int256, reverting on
     * overflow (when the input is less than smallest int40 or
     * greater than largest int40).
     *
     * Counterpart to Solidity's `int40` operator.
     *
     * Requirements:
     *
     * - input must fit into 40 bits
     */
    function toInt40(int256 value) internal pure returns (int40 downcasted) {
        downcasted = int40(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(40, value);
        }
    }

    /**
     * @dev Returns the downcasted int32 from int256, reverting on
     * overflow (when the input is less than smallest int32 or
     * greater than largest int32).
     *
     * Counterpart to Solidity's `int32` operator.
     *
     * Requirements:
     *
     * - input must fit into 32 bits
     */
    function toInt32(int256 value) internal pure returns (int32 downcasted) {
        downcasted = int32(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(32, value);
        }
    }

    /**
     * @dev Returns the downcasted int24 from int256, reverting on
     * overflow (when the input is less than smallest int24 or
     * greater than largest int24).
     *
     * Counterpart to Solidity's `int24` operator.
     *
     * Requirements:
     *
     * - input must fit into 24 bits
     */
    function toInt24(int256 value) internal pure returns (int24 downcasted) {
        downcasted = int24(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(24, value);
        }
    }

    /**
     * @dev Returns the downcasted int16 from int256, reverting on
     * overflow (when the input is less than smallest int16 or
     * greater than largest int16).
     *
     * Counterpart to Solidity's `int16` operator.
     *
     * Requirements:
     *
     * - input must fit into 16 bits
     */
    function toInt16(int256 value) internal pure returns (int16 downcasted) {
        downcasted = int16(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(16, value);
        }
    }

    /**
     * @dev Returns the downcasted int8 from int256, reverting on
     * overflow (when the input is less than smallest int8 or
     * greater than largest int8).
     *
     * Counterpart to Solidity's `int8` operator.
     *
     * Requirements:
     *
     * - input must fit into 8 bits
     */
    function toInt8(int256 value) internal pure returns (int8 downcasted) {
        downcasted = int8(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(8, value);
        }
    }

    /**
     * @dev Converts an unsigned uint256 into a signed int256.
     *
     * Requirements:
     *
     * - input must be less than or equal to maxInt256.
     */
    function toInt256(uint256 value) internal pure returns (int256) {
        // Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive
        if (value > uint256(type(int256).max)) {
            revert SafeCastOverflowedUintToInt(value);
        }
        return int256(value);
    }

    /**
     * @dev Cast a boolean (false or true) to a uint256 (0 or 1) with no jump.
     */
    function toUint(bool b) internal pure returns (uint256 u) {
        assembly ("memory-safe") {
            u := iszero(iszero(b))
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/math/SignedMath.sol)

pragma solidity ^0.8.20;

import {SafeCast} from "./SafeCast.sol";

/**
 * @dev Standard signed math utilities missing in the Solidity language.
 */
library SignedMath {
    /**
     * @dev Branchless ternary evaluation for `a ? b : c`. Gas costs are constant.
     *
     * IMPORTANT: This function may reduce bytecode size and consume less gas when used standalone.
     * However, the compiler may optimize Solidity ternary operations (i.e. `a ? b : c`) to only compute
     * one branch when needed, making this function more expensive.
     */
    function ternary(bool condition, int256 a, int256 b) internal pure returns (int256) {
        unchecked {
            // branchless ternary works because:
            // b ^ (a ^ b) == a
            // b ^ 0 == b
            return b ^ ((a ^ b) * int256(SafeCast.toUint(condition)));
        }
    }

    /**
     * @dev Returns the largest of two signed numbers.
     */
    function max(int256 a, int256 b) internal pure returns (int256) {
        return ternary(a > b, a, b);
    }

    /**
     * @dev Returns the smallest of two signed numbers.
     */
    function min(int256 a, int256 b) internal pure returns (int256) {
        return ternary(a < b, a, b);
    }

    /**
     * @dev Returns the average of two signed numbers without overflow.
     * The result is rounded towards zero.
     */
    function average(int256 a, int256 b) internal pure returns (int256) {
        // Formula from the book "Hacker's Delight"
        int256 x = (a & b) + ((a ^ b) >> 1);
        return x + (int256(uint256(x) >> 255) & (a ^ b));
    }

    /**
     * @dev Returns the absolute unsigned value of a signed value.
     */
    function abs(int256 n) internal pure returns (uint256) {
        unchecked {
            // Formula from the "Bit Twiddling Hacks" by Sean Eron Anderson.
            // Since `n` is a signed integer, the generated bytecode will use the SAR opcode to perform the right shift,
            // taking advantage of the most significant (or "sign" bit) in two's complement representation.
            // This opcode adds new most significant bits set to the value of the previous most significant bit. As a result,
            // the mask will either be `bytes32(0)` (if n is positive) or `~bytes32(0)` (if n is negative).
            int256 mask = n >> 255;

            // A `bytes32(0)` mask leaves the input unchanged, while a `~bytes32(0)` mask complements it.
            return uint256((n + mask) ^ mask);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC1363.sol)

pragma solidity ^0.8.20;

import {IERC20} from "./IERC20.sol";
import {IERC165} from "./IERC165.sol";

/**
 * @title IERC1363
 * @dev Interface of the ERC-1363 standard as defined in the https://eips.ethereum.org/EIPS/eip-1363[ERC-1363].
 *
 * Defines an extension interface for ERC-20 tokens that supports executing code on a recipient contract
 * after `transfer` or `transferFrom`, or code on a spender contract after `approve`, in a single transaction.
 */
interface IERC1363 is IERC20, IERC165 {
    /*
     * Note: the ERC-165 identifier for this interface is 0xb0202a11.
     * 0xb0202a11 ===
     *   bytes4(keccak256('transferAndCall(address,uint256)')) ^
     *   bytes4(keccak256('transferAndCall(address,uint256,bytes)')) ^
     *   bytes4(keccak256('transferFromAndCall(address,address,uint256)')) ^
     *   bytes4(keccak256('transferFromAndCall(address,address,uint256,bytes)')) ^
     *   bytes4(keccak256('approveAndCall(address,uint256)')) ^
     *   bytes4(keccak256('approveAndCall(address,uint256,bytes)'))
     */

    /**
     * @dev Moves a `value` amount of tokens from the caller's account to `to`
     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.
     * @param to The address which you want to transfer to.
     * @param value The amount of tokens to be transferred.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function transferAndCall(address to, uint256 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from the caller's account to `to`
     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.
     * @param to The address which you want to transfer to.
     * @param value The amount of tokens to be transferred.
     * @param data Additional data with no specified format, sent in call to `to`.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function transferAndCall(address to, uint256 value, bytes calldata data) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism
     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.
     * @param from The address which you want to send tokens from.
     * @param to The address which you want to transfer to.
     * @param value The amount of tokens to be transferred.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function transferFromAndCall(address from, address to, uint256 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism
     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.
     * @param from The address which you want to send tokens from.
     * @param to The address which you want to transfer to.
     * @param value The amount of tokens to be transferred.
     * @param data Additional data with no specified format, sent in call to `to`.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function transferFromAndCall(address from, address to, uint256 value, bytes calldata data) external returns (bool);

    /**
     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the
     * caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.
     * @param spender The address which will spend the funds.
     * @param value The amount of tokens to be spent.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function approveAndCall(address spender, uint256 value) external returns (bool);

    /**
     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the
     * caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.
     * @param spender The address which will spend the funds.
     * @param value The amount of tokens to be spent.
     * @param data Additional data with no specified format, sent in call to `spender`.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function approveAndCall(address spender, uint256 value, bytes calldata data) external returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.3.0) (token/ERC20/ERC20.sol)

pragma solidity ^0.8.20;

import {IERC20} from "./IERC20.sol";
import {IERC20Metadata} from "./extensions/IERC20Metadata.sol";
import {Context} from "../../utils/Context.sol";
import {IERC20Errors} from "../../interfaces/draft-IERC6093.sol";

/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * The default value of {decimals} is 18. To change this, you should override
 * this function so it returns a different value.
 *
 * We have followed general OpenZeppelin Contracts guidelines: functions revert
 * instead returning `false` on failure. This behavior is nonetheless
 * conventional and does not conflict with the expectations of ERC-20
 * applications.
 */
abstract contract ERC20 is Context, IERC20, IERC20Metadata, IERC20Errors {
    mapping(address account => uint256) private _balances;

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

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

    /**
     * @dev Sets the values for {name} and {symbol}.
     *
     * Both values are immutable: they can only be set once during construction.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

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

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

    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5.05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the default value returned by this function, unless
     * it's overridden.
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view virtual returns (uint8) {
        return 18;
    }

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

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

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

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

    /**
     * @dev See {IERC20-approve}.
     *
     * NOTE: If `value` is the maximum `uint256`, the allowance is not updated on
     * `transferFrom`. This is semantically equivalent to an infinite approval.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 value) public virtual returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, value);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Skips emitting an {Approval} event indicating an allowance update. This is not
     * required by the ERC. See {xref-ERC20-_approve-address-address-uint256-bool-}[_approve].
     *
     * NOTE: Does not update the allowance if the current allowance
     * is the maximum `uint256`.
     *
     * Requirements:
     *
     * - `from` and `to` cannot be the zero address.
     * - `from` must have a balance of at least `value`.
     * - the caller must have allowance for ``from``'s tokens of at least
     * `value`.
     */
    function transferFrom(address from, address to, uint256 value) public virtual returns (bool) {
        address spender = _msgSender();
        _spendAllowance(from, spender, value);
        _transfer(from, to, value);
        return true;
    }

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to`.
     *
     * This internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead.
     */
    function _transfer(address from, address to, uint256 value) internal {
        if (from == address(0)) {
            revert ERC20InvalidSender(address(0));
        }
        if (to == address(0)) {
            revert ERC20InvalidReceiver(address(0));
        }
        _update(from, to, value);
    }

    /**
     * @dev Transfers a `value` amount of tokens from `from` to `to`, or alternatively mints (or burns) if `from`
     * (or `to`) is the zero address. All customizations to transfers, mints, and burns should be done by overriding
     * this function.
     *
     * Emits a {Transfer} event.
     */
    function _update(address from, address to, uint256 value) internal virtual {
        if (from == address(0)) {
            // Overflow check required: The rest of the code assumes that totalSupply never overflows
            _totalSupply += value;
        } else {
            uint256 fromBalance = _balances[from];
            if (fromBalance < value) {
                revert ERC20InsufficientBalance(from, fromBalance, value);
            }
            unchecked {
                // Overflow not possible: value <= fromBalance <= totalSupply.
                _balances[from] = fromBalance - value;
            }
        }

        if (to == address(0)) {
            unchecked {
                // Overflow not possible: value <= totalSupply or value <= fromBalance <= totalSupply.
                _totalSupply -= value;
            }
        } else {
            unchecked {
                // Overflow not possible: balance + value is at most totalSupply, which we know fits into a uint256.
                _balances[to] += value;
            }
        }

        emit Transfer(from, to, value);
    }

    /**
     * @dev Creates a `value` amount of tokens and assigns them to `account`, by transferring it from address(0).
     * Relies on the `_update` mechanism
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead.
     */
    function _mint(address account, uint256 value) internal {
        if (account == address(0)) {
            revert ERC20InvalidReceiver(address(0));
        }
        _update(address(0), account, value);
    }

    /**
     * @dev Destroys a `value` amount of tokens from `account`, lowering the total supply.
     * Relies on the `_update` mechanism.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead
     */
    function _burn(address account, uint256 value) internal {
        if (account == address(0)) {
            revert ERC20InvalidSender(address(0));
        }
        _update(account, address(0), value);
    }

    /**
     * @dev Sets `value` as the allowance of `spender` over the `owner`'s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     *
     * Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument.
     */
    function _approve(address owner, address spender, uint256 value) internal {
        _approve(owner, spender, value, true);
    }

    /**
     * @dev Variant of {_approve} with an optional flag to enable or disable the {Approval} event.
     *
     * By default (when calling {_approve}) the flag is set to true. On the other hand, approval changes made by
     * `_spendAllowance` during the `transferFrom` operation set the flag to false. This saves gas by not emitting any
     * `Approval` event during `transferFrom` operations.
     *
     * Anyone who wishes to continue emitting `Approval` events on the`transferFrom` operation can force the flag to
     * true using the following override:
     *
     * ```solidity
     * function _approve(address owner, address spender, uint256 value, bool) internal virtual override {
     *     super._approve(owner, spender, value, true);
     * }
     * ```
     *
     * Requirements are the same as {_approve}.
     */
    function _approve(address owner, address spender, uint256 value, bool emitEvent) internal virtual {
        if (owner == address(0)) {
            revert ERC20InvalidApprover(address(0));
        }
        if (spender == address(0)) {
            revert ERC20InvalidSpender(address(0));
        }
        _allowances[owner][spender] = value;
        if (emitEvent) {
            emit Approval(owner, spender, value);
        }
    }

    /**
     * @dev Updates `owner`'s allowance for `spender` based on spent `value`.
     *
     * Does not update the allowance value in case of infinite allowance.
     * Revert if not enough allowance is available.
     *
     * Does not emit an {Approval} event.
     */
    function _spendAllowance(address owner, address spender, uint256 value) internal virtual {
        uint256 currentAllowance = allowance(owner, spender);
        if (currentAllowance < type(uint256).max) {
            if (currentAllowance < value) {
                revert ERC20InsufficientAllowance(spender, currentAllowance, value);
            }
            unchecked {
                _approve(owner, spender, currentAllowance - value, false);
            }
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/Panic.sol)

pragma solidity ^0.8.20;

/**
 * @dev Helper library for emitting standardized panic codes.
 *
 * ```solidity
 * contract Example {
 *      using Panic for uint256;
 *
 *      // Use any of the declared internal constants
 *      function foo() { Panic.GENERIC.panic(); }
 *
 *      // Alternatively
 *      function foo() { Panic.panic(Panic.GENERIC); }
 * }
 * ```
 *
 * Follows the list from https://github.com/ethereum/solidity/blob/v0.8.24/libsolutil/ErrorCodes.h[libsolutil].
 *
 * _Available since v5.1._
 */
// slither-disable-next-line unused-state
library Panic {
    /// @dev generic / unspecified error
    uint256 internal constant GENERIC = 0x00;
    /// @dev used by the assert() builtin
    uint256 internal constant ASSERT = 0x01;
    /// @dev arithmetic underflow or overflow
    uint256 internal constant UNDER_OVERFLOW = 0x11;
    /// @dev division or modulo by zero
    uint256 internal constant DIVISION_BY_ZERO = 0x12;
    /// @dev enum conversion error
    uint256 internal constant ENUM_CONVERSION_ERROR = 0x21;
    /// @dev invalid encoding in storage
    uint256 internal constant STORAGE_ENCODING_ERROR = 0x22;
    /// @dev empty array pop
    uint256 internal constant EMPTY_ARRAY_POP = 0x31;
    /// @dev array out of bounds access
    uint256 internal constant ARRAY_OUT_OF_BOUNDS = 0x32;
    /// @dev resource error (too large allocation or too large array)
    uint256 internal constant RESOURCE_ERROR = 0x41;
    /// @dev calling invalid internal function
    uint256 internal constant INVALID_INTERNAL_FUNCTION = 0x51;

    /// @dev Reverts with a panic code. Recommended to use with
    /// the internal constants with predefined codes.
    function panic(uint256 code) internal pure {
        assembly ("memory-safe") {
            mstore(0x00, 0x4e487b71)
            mstore(0x20, code)
            revert(0x1c, 0x24)
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC20.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../token/ERC20/IERC20.sol";

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC165.sol)

pragma solidity ^0.8.20;

import {IERC165} from "../utils/introspection/IERC165.sol";

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC-20 standard.
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (interfaces/draft-IERC6093.sol)
pragma solidity ^0.8.20;

/**
 * @dev Standard ERC-20 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-20 tokens.
 */
interface IERC20Errors {
    /**
     * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     * @param balance Current balance for the interacting account.
     * @param needed Minimum amount required to perform a transfer.
     */
    error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed);

    /**
     * @dev Indicates a failure with the token `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     */
    error ERC20InvalidSender(address sender);

    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC20InvalidReceiver(address receiver);

    /**
     * @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers.
     * @param spender Address that may be allowed to operate on tokens without being their owner.
     * @param allowance Amount of tokens a `spender` is allowed to operate with.
     * @param needed Minimum amount required to perform a transfer.
     */
    error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed);

    /**
     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
     * @param approver Address initiating an approval operation.
     */
    error ERC20InvalidApprover(address approver);

    /**
     * @dev Indicates a failure with the `spender` to be approved. Used in approvals.
     * @param spender Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC20InvalidSpender(address spender);
}

/**
 * @dev Standard ERC-721 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-721 tokens.
 */
interface IERC721Errors {
    /**
     * @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in ERC-20.
     * Used in balance queries.
     * @param owner Address of the current owner of a token.
     */
    error ERC721InvalidOwner(address owner);

    /**
     * @dev Indicates a `tokenId` whose `owner` is the zero address.
     * @param tokenId Identifier number of a token.
     */
    error ERC721NonexistentToken(uint256 tokenId);

    /**
     * @dev Indicates an error related to the ownership over a particular token. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     * @param tokenId Identifier number of a token.
     * @param owner Address of the current owner of a token.
     */
    error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner);

    /**
     * @dev Indicates a failure with the token `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     */
    error ERC721InvalidSender(address sender);

    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC721InvalidReceiver(address receiver);

    /**
     * @dev Indicates a failure with the `operator`’s approval. Used in transfers.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     * @param tokenId Identifier number of a token.
     */
    error ERC721InsufficientApproval(address operator, uint256 tokenId);

    /**
     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
     * @param approver Address initiating an approval operation.
     */
    error ERC721InvalidApprover(address approver);

    /**
     * @dev Indicates a failure with the `operator` to be approved. Used in approvals.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC721InvalidOperator(address operator);
}

/**
 * @dev Standard ERC-1155 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-1155 tokens.
 */
interface IERC1155Errors {
    /**
     * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     * @param balance Current balance for the interacting account.
     * @param needed Minimum amount required to perform a transfer.
     * @param tokenId Identifier number of a token.
     */
    error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId);

    /**
     * @dev Indicates a failure with the token `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     */
    error ERC1155InvalidSender(address sender);

    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC1155InvalidReceiver(address receiver);

    /**
     * @dev Indicates a failure with the `operator`’s approval. Used in transfers.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     * @param owner Address of the current owner of a token.
     */
    error ERC1155MissingApprovalForAll(address operator, address owner);

    /**
     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
     * @param approver Address initiating an approval operation.
     */
    error ERC1155InvalidApprover(address approver);

    /**
     * @dev Indicates a failure with the `operator` to be approved. Used in approvals.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC1155InvalidOperator(address operator);

    /**
     * @dev Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation.
     * Used in batch transfers.
     * @param idsLength Length of the array of token identifiers
     * @param valuesLength Length of the array of token amounts
     */
    error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength);
}

{
  "remappings": [
    "@thirdweb-dev/=node_modules/@thirdweb-dev/",
    "@openzeppelin/=lib/openzeppelin-contracts/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "forge-std/=lib/openzeppelin-contracts/lib/forge-std/src/",
    "halmos-cheatcodes/=lib/openzeppelin-contracts/lib/halmos-cheatcodes/src/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/"
  ],
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "cancun",
  "viaIR": false,
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_platformReferrer","type":"address"},{"internalType":"address","name":"_attestationManager","type":"address"},{"internalType":"address","name":"_coinDeploymentManager","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"AccessControlBadConfirmation","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"bytes32","name":"neededRole","type":"bytes32"}],"name":"AccessControlUnauthorizedAccount","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"logId","type":"uint256"},{"indexed":true,"internalType":"address","name":"attestor","type":"address"},{"indexed":false,"internalType":"bool","name":"isValid","type":"bool"}],"name":"AttestationMade","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"logId","type":"uint256"},{"indexed":true,"internalType":"address","name":"attestor","type":"address"}],"name":"AttestationRevoked","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"logId","type":"uint256"},{"indexed":true,"internalType":"address","name":"eater","type":"address"},{"indexed":false,"internalType":"bool","name":"isValid","type":"bool"},{"indexed":false,"internalType":"uint256","name":"timestamp","type":"uint256"}],"name":"DogValidityUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"logId","type":"uint256"},{"indexed":true,"internalType":"address","name":"logger","type":"address"}],"name":"HotdogLogRevoked","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"logId","type":"uint256"},{"indexed":true,"internalType":"address","name":"logger","type":"address"},{"indexed":true,"internalType":"address","name":"eater","type":"address"},{"indexed":false,"internalType":"string","name":"imageUri","type":"string"},{"indexed":false,"internalType":"string","name":"metadataUri","type":"string"},{"indexed":false,"internalType":"uint256","name":"timestamp","type":"uint256"},{"indexed":false,"internalType":"address","name":"zoraCoin","type":"address"}],"name":"HotdogLogged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"operator","type":"address"}],"name":"OperatorAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"operator","type":"address"}],"name":"OperatorRemoved","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"previousAdminRole","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"newAdminRole","type":"bytes32"}],"name":"RoleAdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleGranted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleRevoked","type":"event"},{"inputs":[],"name":"DEFAULT_ADMIN_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"OPERATOR_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"}],"name":"addOperator","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"bool","name":"","type":"bool"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"attestHotdogLog","outputs":[],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"logId","type":"uint256"},{"internalType":"address","name":"attestor","type":"address"},{"internalType":"bool","name":"isValid","type":"bool"}],"name":"attestHotdogLogOnBehalf","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"attestationManager","outputs":[{"internalType":"contract AttestationManager","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"attestations","outputs":[{"internalType":"address","name":"attestor","type":"address"},{"internalType":"bool","name":"isValid","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"coinDeploymentManager","outputs":[{"internalType":"contract CoinDeploymentManager","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"logId","type":"uint256"}],"name":"emitValidityUpdate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"logId","type":"uint256"}],"name":"getAttestationCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"startTime","type":"uint256"},{"internalType":"uint256","name":"endTime","type":"uint256"},{"internalType":"uint256","name":"offset","type":"uint256"},{"internalType":"uint256","name":"limit","type":"uint256"}],"name":"getDogsInTimeRange","outputs":[{"internalType":"uint256[]","name":"logIds","type":"uint256[]"},{"internalType":"address[]","name":"eaters","type":"address[]"},{"internalType":"uint256[]","name":"timestamps","type":"uint256[]"},{"internalType":"bool[]","name":"hasAttestationEnded","type":"bool[]"},{"internalType":"bool[]","name":"isValid","type":"bool[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"logId","type":"uint256"}],"name":"getHotdogLog","outputs":[{"components":[{"internalType":"uint256","name":"logId","type":"uint256"},{"internalType":"string","name":"imageUri","type":"string"},{"internalType":"string","name":"metadataUri","type":"string"},{"internalType":"uint256","name":"timestamp","type":"uint256"},{"internalType":"address","name":"eater","type":"address"},{"internalType":"address","name":"logger","type":"address"},{"internalType":"address","name":"zoraCoin","type":"address"}],"internalType":"struct LogADog.HotdogLog","name":"log","type":"tuple"},{"internalType":"uint256","name":"validCount","type":"uint256"},{"internalType":"uint256","name":"invalidCount","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"startTime","type":"uint256"},{"internalType":"uint256","name":"endTime","type":"uint256"},{"internalType":"address","name":"user","type":"address"},{"internalType":"uint256","name":"start","type":"uint256"},{"internalType":"uint256","name":"limit","type":"uint256"}],"name":"getHotdogLogs","outputs":[{"components":[{"internalType":"uint256","name":"logId","type":"uint256"},{"internalType":"string","name":"imageUri","type":"string"},{"internalType":"string","name":"metadataUri","type":"string"},{"internalType":"uint256","name":"timestamp","type":"uint256"},{"internalType":"address","name":"eater","type":"address"},{"internalType":"address","name":"logger","type":"address"},{"internalType":"address","name":"zoraCoin","type":"address"}],"internalType":"struct LogADog.HotdogLog[]","name":"logs","type":"tuple[]"},{"internalType":"uint256[]","name":"validCounts","type":"uint256[]"},{"internalType":"uint256[]","name":"invalidCounts","type":"uint256[]"},{"internalType":"bool[]","name":"userHasAttested","type":"bool[]"},{"internalType":"bool[]","name":"userAttestations","type":"bool[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getHotdogLogsCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"start","type":"uint256"},{"internalType":"uint256","name":"limit","type":"uint256"}],"name":"getHotdogLogsRange","outputs":[{"components":[{"internalType":"uint256","name":"logId","type":"uint256"},{"internalType":"string","name":"imageUri","type":"string"},{"internalType":"string","name":"metadataUri","type":"string"},{"internalType":"uint256","name":"timestamp","type":"uint256"},{"internalType":"address","name":"eater","type":"address"},{"internalType":"address","name":"logger","type":"address"},{"internalType":"address","name":"zoraCoin","type":"address"}],"internalType":"struct LogADog.HotdogLog[]","name":"logs","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleAdmin","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"startTime","type":"uint256"},{"internalType":"uint256","name":"endTime","type":"uint256"},{"internalType":"uint256","name":"pageSize","type":"uint256"}],"name":"getTotalPagesForLogs","outputs":[{"internalType":"uint256","name":"totalPages","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"getUserHotdogLogCount","outputs":[{"internalType":"uint256","name":"count","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"grantRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"address","name":"","type":"address"}],"name":"hasAttested","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"hasRole","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"hotdogLogs","outputs":[{"internalType":"uint256","name":"logId","type":"uint256"},{"internalType":"string","name":"imageUri","type":"string"},{"internalType":"string","name":"metadataUri","type":"string"},{"internalType":"uint256","name":"timestamp","type":"uint256"},{"internalType":"address","name":"eater","type":"address"},{"internalType":"address","name":"logger","type":"address"},{"internalType":"address","name":"zoraCoin","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"imageUri","type":"string"},{"internalType":"string","name":"metadataUri","type":"string"},{"internalType":"string","name":"coinUri","type":"string"},{"internalType":"address","name":"eater","type":"address"},{"internalType":"bytes","name":"poolConfig","type":"bytes"}],"name":"logHotdog","outputs":[{"internalType":"uint256","name":"logId","type":"uint256"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"string","name":"imageUri","type":"string"},{"internalType":"string","name":"metadataUri","type":"string"},{"internalType":"string","name":"coinUri","type":"string"},{"internalType":"address","name":"eater","type":"address"},{"internalType":"bytes","name":"poolConfig","type":"bytes"}],"name":"logHotdogOnBehalf","outputs":[{"internalType":"uint256","name":"logId","type":"uint256"}],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"platformReferrer","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"}],"name":"removeOperator","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"callerConfirmation","type":"address"}],"name":"renounceRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"logId","type":"uint256"}],"name":"resolveAttestationPeriod","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"logId","type":"uint256"}],"name":"revokeAttestation","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"logId","type":"uint256"},{"internalType":"address","name":"attestor","type":"address"}],"name":"revokeAttestationOnBehalf","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"logId","type":"uint256"}],"name":"revokeHotdogLog","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"logId","type":"uint256"},{"internalType":"address","name":"owner","type":"address"}],"name":"revokeHotdogLogOnBehalf","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"revokeRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_attestationManager","type":"address"}],"name":"setAttestationManager","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_coinDeploymentManager","type":"address"}],"name":"setCoinDeploymentManager","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_platformReferrer","type":"address"}],"name":"setPlatformReferrer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"}]

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0000000000000000000000003de0ba94a1f291a7c44bb029b765adb2c487063f000000000000000000000000cbf054aa8feb4fd0484e45b766b502bc045076b8000000000000000000000000b249d4bb7400e8d6cff4e7824ee2014a89a2baaf

-----Decoded View---------------
Arg [0] : _platformReferrer (address): 0x3dE0ba94A1F291A7c44bb029b765ADB2C487063F
Arg [1] : _attestationManager (address): 0xcBf054aA8FEb4fd0484E45b766B502Bc045076B8
Arg [2] : _coinDeploymentManager (address): 0xB249d4BB7400e8d6cFf4E7824ee2014A89a2bAAf

-----Encoded View---------------
3 Constructor Arguments found :
Arg [0] : 0000000000000000000000003de0ba94a1f291a7c44bb029b765adb2c487063f
Arg [1] : 000000000000000000000000cbf054aa8feb4fd0484e45b766b502bc045076b8
Arg [2] : 000000000000000000000000b249d4bb7400e8d6cff4e7824ee2014a89a2baaf