serai/substrate/primitives/src/constants.rs

use crate::BlockNumber;

// 1 MB
pub const BLOCK_SIZE: u32 = 1024 * 1024;
// 6 seconds
pub const TARGET_BLOCK_TIME: u64 = 6;

/// Measured in blocks.
pub const MINUTES: BlockNumber = 60 / TARGET_BLOCK_TIME;
pub const HOURS: BlockNumber = 60 * MINUTES;
pub const DAYS: BlockNumber = 24 * HOURS;
pub const WEEKS: BlockNumber = 7 * DAYS;
// Defines a month as 30 days, which is slightly inaccurate
pub const MONTHS: BlockNumber = 30 * DAYS;
// Defines a year as 12 inaccurate months, which is 360 days literally (~1.5% off)
pub const YEARS: BlockNumber = 12 * MONTHS;

/// 6 months of blocks
pub const GENESIS_SRI_TRICKLE_FEED: u64 = 6 * MONTHS;

// 100 Million SRI
pub const GENESIS_SRI: u64 = 100_000_000 * 10_u64.pow(8);

/// This needs to be long enough for arbitrage to occur and make holding any fake price up
/// sufficiently unrealistic.
#[allow(clippy::cast_possible_truncation)]
pub const ARBITRAGE_TIME: u16 = (2 * HOURS) as u16;

/// Since we use the median price, double the window length.
///
/// We additionally +1 so there is a true median.
pub const MEDIAN_PRICE_WINDOW_LENGTH: u16 = (2 * ARBITRAGE_TIME) + 1;

/// Amount of blocks per epoch in the fast-epoch feature that is used in tests.
pub const FAST_EPOCH_DURATION: u64 = 2 * MINUTES;

/// Amount of blocks for the initial period era of the emissions under the fast-epoch feature.
pub const FAST_EPOCH_INITIAL_PERIOD: u64 = 2 * FAST_EPOCH_DURATION;