More robust error handling and logging during summaries indexing

backend/src/api/blocks.ts

@@ -2,7 +2,7 @@ import config from '../config';
 import bitcoinApi, { bitcoinCoreApi } from './bitcoin/bitcoin-api-factory';
 import logger from '../logger';
 import memPool from './mempool';
-import { BlockExtended, BlockExtension, BlockSummary, PoolTag, TransactionExtended, TransactionMinerInfo, CpfpSummary, MempoolTransactionExtended, TransactionClassified } from '../mempool.interfaces';
+import { BlockExtended, BlockExtension, BlockSummary, PoolTag, TransactionExtended, TransactionMinerInfo, CpfpSummary, MempoolTransactionExtended, TransactionClassified, BlockAudit } from '../mempool.interfaces';
 import { Common } from './common';
 import diskCache from './disk-cache';
 import transactionUtils from './transaction-utils';
@@ -451,7 +451,9 @@ class Blocks {
         if (config.MEMPOOL.BACKEND === 'esplora') {
           const txs = (await bitcoinApi.$getTxsForBlock(block.hash)).map(tx => transactionUtils.extendTransaction(tx));
           const cpfpSummary = await this.$indexCPFP(block.hash, block.height, txs);
-          await this.$getStrippedBlockTransactions(block.hash, true, true, cpfpSummary, block.height); // This will index the block summary
+          if (cpfpSummary) {
+            await this.$getStrippedBlockTransactions(block.hash, true, true, cpfpSummary, block.height); // This will index the block summary
+          }
         } else {
           await this.$getStrippedBlockTransactions(block.hash, true, true); // This will index the block summary
         }
@@ -995,11 +997,11 @@ class Blocks {
     return state;
   }
 
-  private updateTimerProgress(state, msg) {
+  private updateTimerProgress(state, msg): void {
     state.progress = msg;
   }
 
-  private clearTimer(state) {
+  private clearTimer(state): void {
     if (state.timer) {
       clearTimeout(state.timer);
     }
@@ -1088,13 +1090,19 @@ class Blocks {
       summary = {
         id: hash,
         transactions: cpfpSummary.transactions.map(tx => {
+          let flags: number = 0;
+          try {
+            flags = tx.flags || Common.getTransactionFlags(tx);
+          } catch (e) {
+            logger.warn('Failed to classify transaction: ' + (e instanceof Error ? e.message : e));
+          }
           return {
             txid: tx.txid,
             fee: tx.fee || 0,
             vsize: tx.vsize,
             value: Math.round(tx.vout.reduce((acc, vout) => acc + (vout.value ? vout.value : 0), 0)),
             rate: tx.effectiveFeePerVsize,
-            flags: tx.flags || Common.getTransactionFlags(tx),
+            flags: flags,
           };
         }),
       };
@@ -1284,7 +1292,7 @@ class Blocks {
     return blocks;
   }
 
-  public async $getBlockAuditSummary(hash: string): Promise<any> {
+  public async $getBlockAuditSummary(hash: string): Promise<BlockAudit | null> {
     if (['mainnet', 'testnet', 'signet'].includes(config.MEMPOOL.NETWORK)) {
       return BlocksAuditsRepository.$getBlockAudit(hash);
     } else {
@@ -1304,7 +1312,7 @@ class Blocks {
     return this.currentBlockHeight;
   }
 
-  public async $indexCPFP(hash: string, height: number, txs?: TransactionExtended[]): Promise<CpfpSummary> {
+  public async $indexCPFP(hash: string, height: number, txs?: TransactionExtended[]): Promise<CpfpSummary | null> {
     let transactions = txs;
     if (!transactions) {
       if (config.MEMPOOL.BACKEND === 'esplora') {
@@ -1319,14 +1327,19 @@ class Blocks {
       }
     }
 
-    const summary = Common.calculateCpfp(height, transactions as TransactionExtended[]);
+    if (transactions?.length != null) {
+      const summary = Common.calculateCpfp(height, transactions as TransactionExtended[]);
 
-    await this.$saveCpfp(hash, height, summary);
+      await this.$saveCpfp(hash, height, summary);
 
-    const effectiveFeeStats = Common.calcEffectiveFeeStatistics(summary.transactions);
-    await blocksRepository.$saveEffectiveFeeStats(hash, effectiveFeeStats);
+      const effectiveFeeStats = Common.calcEffectiveFeeStatistics(summary.transactions);
+      await blocksRepository.$saveEffectiveFeeStats(hash, effectiveFeeStats);
 
-    return summary;
+      return summary;
+    } else {
+      logger.err(`Cannot index CPFP for block ${height} - missing transaction data`);
+      return null;
+    }
   }
 
   public async $saveCpfp(hash: string, height: number, cpfpSummary: CpfpSummary): Promise<void> {

backend/src/api/common.ts

@@ -6,6 +6,7 @@ import { NodeSocket } from '../repositories/NodesSocketsRepository';
 import { isIP } from 'net';
 import transactionUtils from './transaction-utils';
 import { isPoint } from '../utils/secp256k1';
+import logger from '../logger';
 export class Common {
   static nativeAssetId = config.MEMPOOL.NETWORK === 'liquidtestnet' ?
     '144c654344aa716d6f3abcc1ca90e5641e4e2a7f633bc09fe3baf64585819a49'
@@ -261,6 +262,9 @@ export class Common {
         case 'v0_p2wpkh': flags |= TransactionFlags.p2wpkh; break;
         case 'v0_p2wsh': flags |= TransactionFlags.p2wsh; break;
         case 'v1_p2tr': {
+          if (!vin.witness?.length) {
+            throw new Error('Taproot input missing witness data');
+          }
           flags |= TransactionFlags.p2tr;
           // in taproot, if the last witness item begins with 0x50, it's an annex
           const hasAnnex = vin.witness?.[vin.witness.length - 1].startsWith('50');
@@ -301,7 +305,7 @@ export class Common {
         case 'p2pk': {
           flags |= TransactionFlags.p2pk;
           // detect fake pubkey (i.e. not a valid DER point on the secp256k1 curve)
-          hasFakePubkey = hasFakePubkey || !isPoint(vout.scriptpubkey.slice(2, -2));
+          hasFakePubkey = hasFakePubkey || !isPoint(vout.scriptpubkey?.slice(2, -2));
         } break;
         case 'multisig': {
           flags |= TransactionFlags.p2ms;
@@ -348,7 +352,12 @@ export class Common {
   }
 
   static classifyTransaction(tx: TransactionExtended): TransactionClassified {
-    const flags = Common.getTransactionFlags(tx);
+    let flags = 0;
+    try {
+      flags = Common.getTransactionFlags(tx);
+    } catch (e) {
+      logger.warn('Failed to add classification flags to transaction: ' + (e instanceof Error ? e.message : e));
+    }
     tx.flags = flags;
     return {
       ...Common.stripTransaction(tx),

backend/src/repositories/BlocksAuditsRepository.ts

@@ -59,7 +59,7 @@ class BlocksAuditRepositories {
     }
   }
 
-  public async $getBlockAudit(hash: string): Promise<any> {
+  public async $getBlockAudit(hash: string): Promise<BlockAudit | null> {
     try {
       const [rows]: any[] = await DB.query(
         `SELECT blocks_audits.height, blocks_audits.hash as id, UNIX_TIMESTAMP(blocks_audits.time) as timestamp,

backend/src/repositories/BlocksRepository.ts

@@ -5,7 +5,7 @@ import logger from '../logger';
 import { Common } from '../api/common';
 import PoolsRepository from './PoolsRepository';
 import HashratesRepository from './HashratesRepository';
-import { escape } from 'mysql2';
+import { RowDataPacket, escape } from 'mysql2';
 import BlocksSummariesRepository from './BlocksSummariesRepository';
 import DifficultyAdjustmentsRepository from './DifficultyAdjustmentsRepository';
 import bitcoinClient from '../api/bitcoin/bitcoin-client';
@@ -802,10 +802,10 @@ class BlocksRepository {
   /**
    * Get a list of blocks that have been indexed
    */
-  public async $getIndexedBlocks(): Promise<any[]> {
+  public async $getIndexedBlocks(): Promise<{ height: number, hash: string }[]> {
     try {
-      const [rows]: any = await DB.query(`SELECT height, hash FROM blocks ORDER BY height DESC`);
-      return rows;
+      const [rows] = await DB.query(`SELECT height, hash FROM blocks ORDER BY height DESC`) as RowDataPacket[][];
+      return rows as { height: number, hash: string }[];
     } catch (e) {
       logger.err('Cannot generate block size and weight history. Reason: ' + (e instanceof Error ? e.message : e));
       throw e;
@@ -815,7 +815,7 @@ class BlocksRepository {
   /**
    * Get a list of blocks that have not had CPFP data indexed
    */
-   public async $getCPFPUnindexedBlocks(): Promise<any[]> {
+   public async $getCPFPUnindexedBlocks(): Promise<number[]> {
     try {
       const blockchainInfo = await bitcoinClient.getBlockchainInfo();
       const currentBlockHeight = blockchainInfo.blocks;
@@ -825,13 +825,13 @@ class BlocksRepository {
       }
       const minHeight = Math.max(0, currentBlockHeight - indexingBlockAmount + 1);
 
-      const [rows]: any[] = await DB.query(`
+      const [rows] = await DB.query(`
         SELECT height
         FROM compact_cpfp_clusters
         WHERE height <= ? AND height >= ?
         GROUP BY height
         ORDER BY height DESC;
-      `, [currentBlockHeight, minHeight]);
+      `, [currentBlockHeight, minHeight]) as RowDataPacket[][];
 
       const indexedHeights = {};
       rows.forEach((row) => { indexedHeights[row.height] = true; });

backend/src/repositories/BlocksSummariesRepository.ts

@@ -1,3 +1,4 @@
+import { RowDataPacket } from 'mysql2';
 import DB from '../database';
 import logger from '../logger';
 import { BlockSummary, TransactionClassified } from '../mempool.interfaces';
@@ -69,7 +70,7 @@ class BlocksSummariesRepository {
 
   public async $getIndexedSummariesId(): Promise<string[]> {
     try {
-      const [rows]: any[] = await DB.query(`SELECT id from blocks_summaries`);
+      const [rows] = await DB.query(`SELECT id from blocks_summaries`) as RowDataPacket[][];
       return rows.map(row => row.id);
     } catch (e) {
       logger.err(`Cannot get block summaries id list. Reason: ` + (e instanceof Error ? e.message : e));

backend/src/utils/secp256k1.ts

@@ -31,6 +31,9 @@ const curveP = BigInt(`0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
  * @returns {boolean} true if the point is on the SECP256K1 curve
  */
 export function isPoint(pointHex: string): boolean {
+  if (!pointHex?.length) {
+    return false;
+  }
   if (
     !(
       // is uncompressed