bugfixes; research subproc; higher sandbox limits

web/src/composables/useTradingViewDatafeed.ts

@@ -263,7 +263,10 @@ export class WebSocketDatafeed implements IBasicDataFeed {
         throw err
       })
       .then((response) => {
-        if (response.history) {
+        if (response.error) {
+          console.error('[TradingView Datafeed] getBars server error:', response.error)
+          onError(response.error)
+        } else if (response.history) {
           console.log('[TradingView Datafeed] Raw bar sample:', response.history.bars?.[0])
           console.log('[TradingView Datafeed] Denominators:', denoms)
 
@@ -309,7 +312,7 @@ export class WebSocketDatafeed implements IBasicDataFeed {
     this.sendRequest<any>({
       type: 'subscribe_bars',
       symbol: symbolInfo.ticker || symbolInfo.name,
-      resolution: resolution,
+      period_seconds: intervalToSeconds(resolution),
       subscription_id: listenerGuid
     })
       .then((response) => {
@@ -328,8 +331,10 @@ export class WebSocketDatafeed implements IBasicDataFeed {
   }
 
   unsubscribeBars(listenerGuid: string): void {
+    const sub = this.subscriptions.get(listenerGuid)
     this.sendRequest<any>({
       type: 'unsubscribe_bars',
+      period_seconds: sub ? intervalToSeconds(sub.resolution) : 60,
       subscription_id: listenerGuid
     })
       .then(() => {