// file: kb_lib/src/db/entities/pair_metric.rs

//! Pair-metric entity.

/// Persisted pair-metric row.
#[derive(Debug, Clone, serde::Serialize, serde::Deserialize, sqlx::FromRow)]
pub struct KbPairMetricEntity {
    /// Numeric primary key.
    pub id: i64,
    /// Related pair id.
    pub pair_id: i64,
    /// Optional first observed slot.
    pub first_slot: std::option::Option<i64>,
    /// Optional last observed slot.
    pub last_slot: std::option::Option<i64>,
    /// Optional first observed signature.
    pub first_signature: std::option::Option<std::string::String>,
    /// Optional last observed signature.
    pub last_signature: std::option::Option<std::string::String>,
    /// Total trade count.
    pub trade_count: i64,
    /// Total buy count.
    pub buy_count: i64,
    /// Total sell count.
    pub sell_count: i64,
    /// Optional cumulative raw base volume.
    pub cumulative_base_amount_raw: std::option::Option<std::string::String>,
    /// Optional cumulative raw quote volume.
    pub cumulative_quote_amount_raw: std::option::Option<std::string::String>,
    /// Optional last derived quote-per-base price.
    pub last_price_quote_per_base: std::option::Option<f64>,
    /// Creation timestamp encoded as RFC3339 UTC text.
    pub created_at: std::string::String,
    /// Update timestamp encoded as RFC3339 UTC text.
    pub updated_at: std::string::String,
}