Add accelerated badge to projected block tooltip

Fix negative accelerated fee rate, simplify fee rate table

backend/src/api/mempool.ts

@@ -9,7 +9,7 @@ import loadingIndicators from './loading-indicators';
 import bitcoinClient from './bitcoin/bitcoin-client';
 import bitcoinSecondClient from './bitcoin/bitcoin-second-client';
 import rbfCache from './rbf-cache';
-import accelerationApi, { Acceleration } from './services/acceleration';
+import { Acceleration } from './services/acceleration';
 import redisCache from './redis-cache';
 
 class Mempool {
@@ -185,7 +185,7 @@ class Mempool {
     return txTimes;
   }
 
-  public async $updateMempool(transactions: string[], pollRate: number): Promise<void> {
+  public async $updateMempool(transactions: string[], accelerations: Acceleration[] | null, pollRate: number): Promise<void> {
     logger.debug(`Updating mempool...`);
 
     // warn if this run stalls the main loop for more than 2 minutes
@@ -330,7 +330,7 @@ class Mempool {
     const newTransactionsStripped = newTransactions.map((tx) => Common.stripTransaction(tx));
     this.latestTransactions = newTransactionsStripped.concat(this.latestTransactions).slice(0, 6);
 
-    const accelerationDelta = await this.$updateAccelerations();
+    const accelerationDelta = accelerations != null ? await this.$updateAccelerations(accelerations) : [];
     if (accelerationDelta.length) {
       hasChange = true;
     }
@@ -370,14 +370,12 @@ class Mempool {
     return this.accelerations;
   }
 
-  public async $updateAccelerations(): Promise<string[]> {
+  public $updateAccelerations(newAccelerations: Acceleration[]): string[] {
     if (!config.MEMPOOL_SERVICES.ACCELERATIONS) {
       return [];
     }
 
     try {
-      const newAccelerations = await accelerationApi.$fetchAccelerations();
-
       const changed: string[] = [];
 
       const newAccelerationMap: { [txid: string]: Acceleration } = {};

backend/src/api/services/acceleration.ts

@@ -1,6 +1,7 @@
-import { query } from '../../utils/axios-query';
 import config from '../../config';
+import logger from '../../logger';
 import { BlockExtended, PoolTag } from '../../mempool.interfaces';
+import axios from 'axios';
 
 export interface Acceleration {
   txid: string,
@@ -9,10 +10,15 @@ export interface Acceleration {
 }
 
 class AccelerationApi {
-  public async $fetchAccelerations(): Promise<Acceleration[]> {
+  public async $fetchAccelerations(): Promise<Acceleration[] | null> {
     if (config.MEMPOOL_SERVICES.ACCELERATIONS) {
-      const response = await query(`${config.MEMPOOL_SERVICES.API}/accelerator/accelerations`);
+      try {
-      return (response as Acceleration[]) || [];
+        const response = await axios.get(`${config.MEMPOOL_SERVICES.API}/accelerator/accelerations`, { responseType: 'json', timeout: 10000 });
+        return response.data as Acceleration[];
+      } catch (e) {
+        logger.warn('Failed to fetch current accelerations from the mempool services backend: ' + (e instanceof Error ? e.message : e));
+        return null;
+      }
     } else {
       return [];
     }

backend/src/index.ts

@@ -43,6 +43,7 @@ import { AxiosError } from 'axios';
 import v8 from 'v8';
 import { formatBytes, getBytesUnit } from './utils/format';
 import redisCache from './api/redis-cache';
+import accelerationApi from './api/services/acceleration';
 
 class Server {
   private wss: WebSocket.Server | undefined;
@@ -205,10 +206,11 @@ class Server {
         }
       }
       const newMempool = await bitcoinApi.$getRawMempool();
+      const newAccelerations = await accelerationApi.$fetchAccelerations();
       const numHandledBlocks = await blocks.$updateBlocks();
       const pollRate = config.MEMPOOL.POLL_RATE_MS * (indexer.indexerIsRunning() ? 10 : 1);
       if (numHandledBlocks === 0) {
-        await memPool.$updateMempool(newMempool, pollRate);
+        await memPool.$updateMempool(newMempool, newAccelerations, pollRate);
       }
       indexer.$run();
       priceUpdater.$run();

frontend/src/app/components/block-overview-tooltip/block-overview-tooltip.component.html

@@ -43,6 +43,10 @@
         <td class="td-width" i18n="transaction.weight|Transaction Weight">Weight</td>
         <td [innerHTML]="'&lrm;' + ((vsize * 4) | wuBytes: 2)"></td>
       </tr>
+      <tr *ngIf="!auditEnabled && (this.acceleration || (tx && tx.acc))">
+        <td></td>
+        <td><span class="badge badge-accelerated" i18n="transaction.audit.accelerated">Accelerated</span></td>
+      </tr>
       <tr *ngIf="auditEnabled && tx && tx.status && tx.status.length">
         <td class="td-width" i18n="transaction.audit-status">Audit status</td>
         <ng-container [ngSwitch]="tx?.status">

frontend/src/app/components/transaction/transaction.component.html

@@ -516,28 +516,20 @@
           </ng-template>
         </td>
       </tr>
-      <tr *ngIf="!hasEffectiveFeeRate && accelerationInfo">
+      <tr *ngIf="(cpfpInfo && hasEffectiveFeeRate) || accelerationInfo">
-        <td i18n="transaction.accelerated-fee-rate|Accelerated transaction fee rate">Accelerated fee rate</td>
-        <td>
-          <div class="effective-fee-container">
-            <app-fee-rate [fee]="accelerationInfo.effectiveFee + accelerationInfo.feePaid - accelerationInfo.baseFee - accelerationInfo.vsizeFee" [weight]="accelerationInfo.effectiveVsize * 4"></app-fee-rate>
-            &nbsp;
-            <span class="badge badge-accelerated" i18n="transaction.audit.accelerated">Accelerated</span>
-          </div>
-        </td>
-      </tr>
-      <tr *ngIf="!accelerationInfo && cpfpInfo && hasEffectiveFeeRate">
         <td *ngIf="tx.acceleration || accelerationInfo" i18n="transaction.accelerated-fee-rate|Accelerated transaction fee rate">Accelerated fee rate</td>
         <td *ngIf="!(tx.acceleration || accelerationInfo)" i18n="transaction.effective-fee-rate|Effective transaction fee rate">Effective fee rate</td>
         <td>
           <div class="effective-fee-container">
-            <app-fee-rate [fee]="tx.effectiveFeePerVsize"></app-fee-rate>
+            <app-fee-rate *ngIf="accelerationInfo" [fee]="accelerationInfo.actualFeeDelta" [weight]="accelerationInfo.effectiveVsize * 4"></app-fee-rate>
-            <ng-template [ngIf]="tx?.status?.confirmed">
+            <app-fee-rate *ngIf="!accelerationInfo" [fee]="tx.effectiveFeePerVsize"></app-fee-rate>
-              <app-tx-fee-rating class="ml-2 mr-2 effective-fee-rating" *ngIf="!accelerationInfo && (tx.fee || tx.effectiveFeePerVsize)" [tx]="tx"></app-tx-fee-rating>
+
-              <ng-template [ngIf]="accelerationInfo">
+            <ng-template [ngIf]="tx?.status?.confirmed || tx.acceleration || accelerationInfo">
+              <app-tx-fee-rating *ngIf="!(tx.acceleration || accelerationInfo) && (tx.fee || tx.effectiveFeePerVsize)" class="ml-2 mr-2 effective-fee-rating" [tx]="tx"></app-tx-fee-rating>
+              <ng-container *ngIf="accelerationInfo || tx.acceleration">
                 &nbsp;
                 <span class="badge badge-accelerated" i18n="transaction.audit.accelerated">Accelerated</span>
-              </ng-template>
+              </ng-container>
             </ng-template>
           </div>
           <button *ngIf="cpfpInfo.bestDescendant || cpfpInfo.descendants?.length || cpfpInfo.ancestors?.length" type="button" class="btn btn-outline-info btn-sm btn-small-height float-right" (click)="showCpfpDetails = !showCpfpDetails">CPFP <fa-icon [icon]="['fas', 'info-circle']" [fixedWidth]="true"></fa-icon></button>

frontend/src/app/components/transaction/transaction.component.ts

@@ -253,7 +253,8 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
       })
     ).subscribe((accelerationHistory) => {
       for (const acceleration of accelerationHistory) {
-        if (acceleration.txid === this.txId) {
+        if (acceleration.txid === this.txId && (acceleration.status === 'completed' || acceleration.status === 'mined') && acceleration.feePaid > 0) {
+          acceleration.actualFeeDelta = Math.max(acceleration.effectiveFee, acceleration.effectiveFee + acceleration.feePaid - acceleration.baseFee - acceleration.vsizeFee);
           this.accelerationInfo = acceleration;
         }
       }

frontend/src/app/interfaces/node-api.interface.ts

@@ -317,6 +317,8 @@ export interface Acceleration {
   feeDelta: number;
   blockHash: string;
   blockHeight: number;
+
+  actualFeeDelta?: number;
 }
 
 export interface AccelerationHistoryParams {