New base code for mempool blockchain explorerer

frontend/src/app/interfaces/websocket.interface.ts

@@ -0,0 +1,18 @@
+import { Block } from './electrs.interface';
+
+export interface WebsocketResponse {
+  block?: Block;
+  blocks?: Block[];
+  conversions?: any;
+  txId?: string;
+  txConfirmed?: boolean;
+  historicalDate?: string;
+}
+
+export interface MempoolBlock {
+  blockSize: number;
+  blockVSize: number;
+  nTx: number;
+  medianFee: number;
+  feeRange: number[];
+}