Lbudginas/#493 hive price chart

#493 (closed)

• Add HIVE price history chart to main page using https://developers.hive.io/apidefinitions/#market_history_api.get_market_history API
• Average daily price of HIVE was calculated by taking hive and non_hive volume into equation instead of close price, because it should give more accurate average price.
• Price is shown for last 30 days with interval of 1 day or 86400 seconds from current time.
• Min and Max values are calculated in a period of 30 days.

components/block/BlockDetails.tsx

@@ -12,8 +12,8 @@ import CopyButton from "../ui/CopyButton";
 interface BlockDetailsProps {
   virtualOperationsTypesCounters?: Explorer.OperationCounter[];
   nonVirtualOperationsTypesCounters?: Explorer.OperationCounter[];
-  virtualOperationLength: number;
-  nonVirtualOperationLength: number;
+  virtualOperationLength: number | undefined;
+  nonVirtualOperationLength: number | undefined;
   blockDetails?: Hive.BlockDetails;
   enableRawVirtualOperations: boolean;
   handleEnableVirtualOperations: () => void;