Adding "mempool block" details. Work in progress!

backend/src/api/mempool-blocks.ts

@@ -62,6 +62,7 @@ class MempoolBlocks {
       blockSize: blockSize,
       blockVSize: blockVSize,
       nTx: transactions.length,
+      totalFees: transactions.reduce((acc, cur) => acc + cur.fee, 0),
       medianFee: this.median(transactions.map((tx) => tx.feePerVsize)),
       feeRange: this.getFeesInRange(transactions, rangeLength),
     };

backend/src/interfaces.ts

@@ -12,6 +12,7 @@ export interface MempoolBlock {
   blockVSize: number;
   nTx: number;
   medianFee: number;
+  totalFees: number;
   feeRange: number[];
 }