pyth-network_pyth-crosschain/target_chains/ethereum/pulse_sdk/solidity/SchedulerStructs.sol

// SPDX-License-Identifier: Apache 2

pragma solidity ^0.8.0;

// This contract holds the Scheduler structs
contract SchedulerStructs {
    /// Maximum number of price feeds per subscription
    uint8 public constant MAX_PRICE_IDS_PER_SUBSCRIPTION = 255;
    /// Maximum number of addresses in the reader whitelist
    uint8 public constant MAX_READER_WHITELIST_SIZE = 255;

    /// Maximum time in the past (relative to current block timestamp)
    /// for which a price update timestamp is considered valid
    /// when validating the update conditions.
    /// @dev Note: We don't use this when parsing update data from the Pyth contract
    /// because don't want to reject update data if it contains a price from a market
    /// that closed a few days ago, since it will contain a timestamp from the last
    /// trading period. We enforce this value ourselves against the maximum
    /// timestamp in the provided update data.
    uint64 public constant PAST_TIMESTAMP_MAX_VALIDITY_PERIOD = 1 hours;

    /// Maximum time in the future (relative to current block timestamp)
    /// for which a price update timestamp is considered valid
    uint64 public constant FUTURE_TIMESTAMP_MAX_VALIDITY_PERIOD = 10 seconds;
    /// Fixed gas overhead component used in keeper fee calculation.
    /// This is a rough estimate of the tx overhead for a keeper to call updatePriceFeeds.
    uint256 public constant GAS_OVERHEAD = 30000;

    struct SubscriptionParams {
        bytes32[] priceIds;
        address[] readerWhitelist;
        bool whitelistEnabled;
        bool isActive;
        bool isPermanent;
        UpdateCriteria updateCriteria;
    }

    struct SubscriptionStatus {
        uint256 priceLastUpdatedAt;
        uint256 balanceInWei;
        uint256 totalUpdates;
        uint256 totalSpent;
    }

    struct UpdateCriteria {
        bool updateOnHeartbeat;
        uint32 heartbeatSeconds;
        bool updateOnDeviation;
        uint32 deviationThresholdBps;
    }
}