Struct HistoricalDataRequest 

pub struct HistoricalDataRequest {
    pub symbol: String,
    pub timeframe: Timeframe,
    pub end_ts_millis: i64,
    pub limit: usize,
}

Parameters for a historical data fetch via DataSource::fetch_historical.

The chart engine creates this request when the user scrolls left beyond the currently loaded data range and the data source supports historical fetching.

Fields

symbol: String

Symbol to fetch data for.

timeframe: Timeframe

Timeframe (bar interval) to fetch.

end_ts_millis: i64

End timestamp in Unix milliseconds (exclusive) – fetch bars before this point.

limit: usize

Maximum number of bars to return.

Trait Implementations

impl Clone for HistoricalDataRequest

fn clone(&self) -> HistoricalDataRequest

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for HistoricalDataRequest

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.