fix limit

src/main.rs

@@ -19,11 +19,12 @@ async fn fetch_candles_until_now(
     mut start_time: NaiveDateTime,
 ) -> AppResult<Vec<PoloniuxCandle>> {
     let mut result = vec![];
+    let limit = 500;
 
     loop {
         println!("pulling candles from {start_time}");
         let candles = poloniex_client
-            .get_historical_candles(pair, interval, start_time, Utc::now().naive_utc())
+            .get_historical_candles(pair, interval, start_time, Utc::now().naive_utc(), limit)
             .await?;
 
         let Some(last_candle) = candles.last() else {
@@ -46,7 +47,13 @@ async fn fetch_candles_until_now(
             break;
         }
 
+        let candles_count = candles.len();
+
         result.extend(candles);
+
+        if candles_count < limit {
+            break;
+        }
     }
 
     Ok(result)

src/poloniex.rs

@@ -32,6 +32,7 @@ impl PoloniexClient {
         interval: CandleInterval,
         start_date: NaiveDateTime,
         end_date: NaiveDateTime,
+        limit: usize,
     ) -> AppResult<Vec<PoloniuxCandle>> {
         let mut req = self
             .rest_base_url
@@ -47,7 +48,7 @@ impl PoloniexClient {
                 &end_date.and_utc().timestamp_millis().to_string(),
             )
             .append_pair("interval", interval.as_ref())
-            .append_pair("limit", "500");
+            .append_pair("limit", &limit.to_string());
 
         let result = reqwest::get(req).await?;