Support PREFER_LOCAL for /accelerations(/history)

backend/src/api/acceleration/acceleration.routes.ts

@@ -1,12 +1,14 @@
-import { Application, Request, Response } from "express";
+import { Application, Request, Response } from 'express';
-import config from "../../config";
+import config from '../../config';
-import axios from "axios";
+import axios from 'axios';
-import logger from "../../logger";
+import logger from '../../logger';
+import mempool from '../mempool';
+import AccelerationRepository from '../../repositories/AccelerationRepository';
 
 class AccelerationRoutes {
   private tag = 'Accelerator';
 
-  public initRoutes(app: Application) {
+  public initRoutes(app: Application): void {
     app
       .get(config.MEMPOOL.API_URL_PREFIX + 'services/accelerator/accelerations', this.$getAcceleratorAccelerations.bind(this))
       .get(config.MEMPOOL.API_URL_PREFIX + 'services/accelerator/accelerations/history', this.$getAcceleratorAccelerationsHistory.bind(this))
@@ -15,7 +17,11 @@ class AccelerationRoutes {
     ;
   }
 
-  private async $getAcceleratorAccelerations(req: Request, res: Response) {
+  private async $getAcceleratorAccelerations(req: Request, res: Response): Promise<void> {
+    if (config.MEMPOOL_SERVICES.PREFER_LOCAL) {
+      const accelerations = mempool.getAccelerations();
+      res.status(200).send(Object.values(accelerations));
+    } else {
       const url = `${config.MEMPOOL_SERVICES.API}/${req.originalUrl.replace('/api/v1/services/', '')}`;
       try {
         const response = await axios.get(url, { responseType: 'stream', timeout: 10000 });
@@ -28,8 +34,23 @@ class AccelerationRoutes {
         res.status(500).end();
       }
     }
+  }
 
-  private async $getAcceleratorAccelerationsHistory(req: Request, res: Response) {
+  private async $getAcceleratorAccelerationsHistory(req: Request, res: Response): Promise<void> {
+    if (config.MEMPOOL_SERVICES.PREFER_LOCAL) {
+      const history = await AccelerationRepository.$getAccelerationInfo(null, req.query.blockHeight ? parseInt(req.query.blockHeight as string, 10) : null);
+      res.status(200).send(history.map(accel => ({
+        txid: accel.txid,
+        added: accel.added,
+        status: 'completed',
+        effectiveFee: accel.effective_fee,
+        effectiveVsize: accel.effective_vsize,
+        boostRate: accel.boost_rate,
+        boostCost: accel.boost_cost,
+        blockHeight: accel.height,
+        pools: [accel.pool],
+      })));
+    } else {
       const url = `${config.MEMPOOL_SERVICES.API}/${req.originalUrl.replace('/api/v1/services/', '')}`;
       try {
         const response = await axios.get(url, { responseType: 'stream', timeout: 10000 });
@@ -42,8 +63,9 @@ class AccelerationRoutes {
         res.status(500).end();
       }
     }
+  }
 
-  private async $getAcceleratorAccelerationsHistoryAggregated(req: Request, res: Response) {
+  private async $getAcceleratorAccelerationsHistoryAggregated(req: Request, res: Response): Promise<void> {
     const url = `${config.MEMPOOL_SERVICES.API}/${req.originalUrl.replace('/api/v1/services/', '')}`;
     try {
       const response = await axios.get(url, { responseType: 'stream', timeout: 10000 });
@@ -57,7 +79,7 @@ class AccelerationRoutes {
     }
   }
 
-  private async $getAcceleratorAccelerationsStats(req: Request, res: Response) {
+  private async $getAcceleratorAccelerationsStats(req: Request, res: Response): Promise<void> {
     const url = `${config.MEMPOOL_SERVICES.API}/${req.originalUrl.replace('/api/v1/services/', '')}`;
     try {
       const response = await axios.get(url, { responseType: 'stream', timeout: 10000 });

backend/src/api/database-migration.ts

@@ -7,7 +7,7 @@ import cpfpRepository from '../repositories/CpfpRepository';
 import { RowDataPacket } from 'mysql2';
 
 class DatabaseMigration {
-  private static currentVersion = 76;
+  private static currentVersion = 77;
   private queryTimeout = 3600_000;
   private statisticsAddedIndexed = false;
   private uniqueLogs: string[] = [];
@@ -664,6 +664,11 @@ class DatabaseMigration {
       await this.$executeQuery('ALTER TABLE `blocks_audits` ADD prioritized_txs JSON DEFAULT "[]"');
       await this.updateToSchemaVersion(76);
     }
+
+    if (databaseSchemaVersion < 77 && config.MEMPOOL.NETWORK === 'mainnet') {
+      await this.$executeQuery('ALTER TABLE `accelerations` ADD requested datetime DEFAULT NULL');
+      await this.updateToSchemaVersion(77);
+    }
   }
 
   /**

backend/src/api/services/acceleration.ts

@@ -5,6 +5,9 @@ import axios from 'axios';
 
 export interface Acceleration {
   txid: string,
+  added: number,
+  effectiveVsize: number,
+  effectiveFee: number,
   feeDelta: number,
   pools: number[],
 };

backend/src/repositories/AccelerationRepository.ts

@@ -6,7 +6,7 @@ import { IEsploraApi } from '../api/bitcoin/esplora-api.interface';
 import { Common } from '../api/common';
 import config from '../config';
 import blocks from '../api/blocks';
-import accelerationApi, { Acceleration } from '../api/services/acceleration';
+import accelerationApi, { Acceleration, AccelerationHistory } from '../api/services/acceleration';
 import accelerationCosts from '../api/acceleration/acceleration';
 import bitcoinApi from '../api/bitcoin/bitcoin-api-factory';
 import transactionUtils from '../api/transaction-utils';
@@ -15,6 +15,7 @@ import { BlockExtended, MempoolTransactionExtended } from '../mempool.interfaces
 export interface PublicAcceleration {
   txid: string,
   height: number,
+  added: number,
   pool: {
     id: number,
     slug: string,
@@ -29,15 +30,20 @@ export interface PublicAcceleration {
 class AccelerationRepository {
   private bidBoostV2Activated = 831580;
 
-  public async $saveAcceleration(acceleration: AccelerationInfo, block: IEsploraApi.Block, pool_id: number): Promise<void> {
+  public async $saveAcceleration(acceleration: AccelerationInfo, block: IEsploraApi.Block, pool_id: number, accelerationData: Acceleration[]): Promise<void> {
+    const accelerationMap: { [txid: string]: Acceleration } = {};
+    for (const acc of accelerationData) {
+      accelerationMap[acc.txid] = acc;
+    }
     try {
       await DB.query(`
-        INSERT INTO accelerations(txid, added, height, pool, effective_vsize, effective_fee, boost_rate, boost_cost)
+        INSERT INTO accelerations(txid, requested, added, height, pool, effective_vsize, effective_fee, boost_rate, boost_cost)
-        VALUE (?, FROM_UNIXTIME(?), ?, ?, ?, ?, ?, ?)
+        VALUE (?, FROM_UNIXTIME(?), FROM_UNIXTIME(?), ?, ?, ?, ?, ?, ?)
         ON DUPLICATE KEY UPDATE
           height = ?
       `, [
         acceleration.txSummary.txid,
+        accelerationMap[acceleration.txSummary.txid].added,
         block.timestamp,
         block.height,
         pool_id,
@@ -64,7 +70,7 @@ class AccelerationRepository {
     }
 
     let query = `
-      SELECT * FROM accelerations
+      SELECT *, UNIX_TIMESTAMP(requested) as requested_timestamp, UNIX_TIMESTAMP(added) as block_timestamp FROM accelerations
       JOIN pools on pools.unique_id = accelerations.pool
     `;
     let params: any[] = [];
@@ -99,6 +105,7 @@ class AccelerationRepository {
         return rows.map(row => ({
           txid: row.txid,
           height: row.height,
+          added: row.requested_timestamp || row.block_timestamp,
           pool: {
             id: row.id,
             slug: row.slug,
@@ -202,7 +209,7 @@ class AccelerationRepository {
         const tx = blockTxs[acc.txid];
         const accelerationInfo = accelerationCosts.getAccelerationInfo(tx, boostRate, transactions);
         accelerationInfo.cost = Math.max(0, Math.min(acc.feeDelta, accelerationInfo.cost));
-        this.$saveAcceleration(accelerationInfo, block, block.extras.pool.id);
+        this.$saveAcceleration(accelerationInfo, block, block.extras.pool.id, successfulAccelerations);
       }
     }
     const lastSyncedHeight = await this.$getLastSyncedHeight();
@@ -230,7 +237,7 @@ class AccelerationRepository {
     logger.debug(`Fetching accelerations between block ${lastSyncedHeight} and ${currentHeight}`);
 
     // Fetch accelerations from mempool.space since the last synced block;
-    const accelerationsByBlock = {};
+    const accelerationsByBlock: {[height: number]: AccelerationHistory[]} = {};
     const blockHashes = {};
     let done = false;
     let page = 1;
@@ -297,12 +304,16 @@ class AccelerationRepository {
           const feeStats = Common.calcEffectiveFeeStatistics(template);
           boostRate = feeStats.medianFee;
         }
+        const accelerationSummaries = accelerations.map(acc => ({
+          ...acc,
+          pools: acc.pools.map(pool => pool.pool_unique_id),
+        }))
         for (const acc of accelerations) {
           if (blockTxs[acc.txid]) {
             const tx = blockTxs[acc.txid];
             const accelerationInfo = accelerationCosts.getAccelerationInfo(tx, boostRate, transactions);
             accelerationInfo.cost = Math.max(0, Math.min(acc.feeDelta, accelerationInfo.cost));
-            await this.$saveAcceleration(accelerationInfo, block, block.extras.pool.id);
+            await this.$saveAcceleration(accelerationInfo, block, block.extras.pool.id, accelerationSummaries);
           }
         }
         await this.$setLastSyncedHeight(height);

frontend/src/app/components/acceleration/accelerations-list/accelerations-list.component.html

@@ -39,10 +39,10 @@
             </td>
           </ng-container>
           <ng-container *ngIf="!pending">
-            <td *ngIf="acceleration.feePaid" class="fee text-right">
+            <td *ngIf="acceleration.boost != null" class="fee text-right">
               {{ (acceleration.boost) | number }} <span class="symbol" i18n="shared.sat|sat">sat</span>
             </td>
-            <td *ngIf="!acceleration.feePaid" class="fee text-right">
+            <td *ngIf="acceleration.boost == null" class="fee text-right">
               ~
             </td>
             <td class="block text-right">

frontend/src/app/components/acceleration/accelerations-list/accelerations-list.component.ts

@@ -58,7 +58,7 @@ export class AccelerationsListComponent implements OnInit {
               }
             }
             for (const acc of accelerations) {
-              acc.boost = acc.feePaid - acc.baseFee - acc.vsizeFee;
+              acc.boost = acc.boostCost || (acc.feePaid - acc.baseFee - acc.vsizeFee);
             }
             if (this.widget) {
               return of(accelerations.slice(0, 6));

frontend/src/app/components/acceleration/accelerator-dashboard/accelerator-dashboard.component.ts

@@ -116,15 +116,15 @@ export class AcceleratorDashboardComponent implements OnInit {
       switchMap(([accelerations, blocks]) => {
         const blockMap = {};
         for (const block of blocks) {
-          blockMap[block.id] = block;
+          blockMap[block.height] = block;
         }
-        const accelerationsByBlock: { [ hash: string ]: Acceleration[] } = {};
+        const accelerationsByBlock: { [ height: number ]: Acceleration[] } = {};
         for (const acceleration of accelerations) {
-          if (['completed_provisional', 'failed_provisional', 'completed'].includes(acceleration.status) && acceleration.pools.includes(blockMap[acceleration.blockHash]?.extras.pool.id)) {
+          if (['completed_provisional', 'failed_provisional', 'completed'].includes(acceleration.status) && acceleration.pools.includes(blockMap[acceleration.blockHeight]?.extras.pool.id)) {
-            if (!accelerationsByBlock[acceleration.blockHash]) {
+            if (!accelerationsByBlock[acceleration.blockHeight]) {
-              accelerationsByBlock[acceleration.blockHash] = [];
+              accelerationsByBlock[acceleration.blockHeight] = [];
             }
-            accelerationsByBlock[acceleration.blockHash].push(acceleration);
+            accelerationsByBlock[acceleration.blockHeight].push(acceleration);
           }
         }
         return of(blocks.slice(0, 6).map(block => {

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

@@ -297,7 +297,9 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
     ).subscribe((accelerationHistory) => {
       for (const acceleration of accelerationHistory) {
         if (acceleration.txid === this.txId && (acceleration.status === 'completed' || acceleration.status === 'completed_provisional')) {
-          acceleration.acceleratedFeeRate = Math.max(acceleration.effectiveFee, acceleration.effectiveFee + acceleration.feePaid - acceleration.baseFee - acceleration.vsizeFee) / acceleration.effectiveVsize;
+          const boostCost = acceleration.boostCost || (acceleration.feePaid - acceleration.baseFee - acceleration.vsizeFee);
+          acceleration.acceleratedFeeRate = Math.max(acceleration.effectiveFee, acceleration.effectiveFee + boostCost) / acceleration.effectiveVsize;
+
           this.accelerationInfo = acceleration;
         }
       }

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

@@ -396,6 +396,9 @@ export interface Acceleration {
 
   acceleratedFeeRate?: number;
   boost?: number;
+
+  boostCost?: number;
+  boostRate?: number;
 }
 
 export interface AccelerationHistoryParams {