Merge branch 'master' into natsoni/use-adjusted-time-avg

backend/mempool-config.sample.json

@@ -46,7 +46,8 @@
     "PASSWORD": "mempool",
     "TIMEOUT": 60000,
     "COOKIE": false,
-    "COOKIE_PATH": "/path/to/bitcoin/.cookie"
+    "COOKIE_PATH": "/path/to/bitcoin/.cookie",
+    "DEBUG_LOG_PATH": "/path/to/bitcoin/debug.log"
   },
   "ELECTRUM": {
     "HOST": "127.0.0.1",

backend/package-lock.json

@@ -16,7 +16,7 @@
         "axios": "1.7.2",
         "bitcoinjs-lib": "~6.1.3",
         "crypto-js": "~4.2.0",
-        "express": "~4.21.0",
+        "express": "~4.21.1",
         "maxmind": "~4.3.11",
         "mysql2": "~3.11.0",
         "redis": "^4.7.0",
@@ -2827,9 +2827,9 @@
       "dev": true
     },
     "node_modules/cookie": {
-      "version": "0.6.0",
+      "version": "0.7.1",
-      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.6.0.tgz",
+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.7.1.tgz",
-      "integrity": "sha512-U71cyTamuh1CRNCfpGY6to28lxvNwPG4Guz/EVjgf3Jmzv0vlDp1atT9eS5dDjMYHucpHbWns6Lwf3BKz6svdw==",
+      "integrity": "sha512-6DnInpx7SJ2AK3+CTUE/ZM0vWTUboZCegxhC2xiIydHR9jNuTAASBrfEpHhiGOZw/nX51bHt6YQl8jsGo4y/0w==",
       "engines": {
         "node": ">= 0.6"
       }
@@ -3461,16 +3461,16 @@
       }
     },
     "node_modules/express": {
-      "version": "4.21.0",
+      "version": "4.21.1",
-      "resolved": "https://registry.npmjs.org/express/-/express-4.21.0.tgz",
+      "resolved": "https://registry.npmjs.org/express/-/express-4.21.1.tgz",
-      "integrity": "sha512-VqcNGcj/Id5ZT1LZ/cfihi3ttTn+NJmkli2eZADigjq29qTlWi/hAQ43t/VLPq8+UX06FCEx3ByOYet6ZFblng==",
+      "integrity": "sha512-YSFlK1Ee0/GC8QaO91tHcDxJiE/X4FbpAyQWkxAvG6AXCuR65YzK8ua6D9hvi/TzUfZMpc+BwuM1IPw8fmQBiQ==",
       "dependencies": {
         "accepts": "~1.3.8",
         "array-flatten": "1.1.1",
         "body-parser": "1.20.3",
         "content-disposition": "0.5.4",
         "content-type": "~1.0.4",
-        "cookie": "0.6.0",
+        "cookie": "0.7.1",
         "cookie-signature": "1.0.6",
         "debug": "2.6.9",
         "depd": "2.0.0",
@@ -9865,9 +9865,9 @@
       "dev": true
     },
     "cookie": {
-      "version": "0.6.0",
+      "version": "0.7.1",
-      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.6.0.tgz",
+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.7.1.tgz",
-      "integrity": "sha512-U71cyTamuh1CRNCfpGY6to28lxvNwPG4Guz/EVjgf3Jmzv0vlDp1atT9eS5dDjMYHucpHbWns6Lwf3BKz6svdw=="
+      "integrity": "sha512-6DnInpx7SJ2AK3+CTUE/ZM0vWTUboZCegxhC2xiIydHR9jNuTAASBrfEpHhiGOZw/nX51bHt6YQl8jsGo4y/0w=="
     },
     "cookie-signature": {
       "version": "1.0.6",
@@ -10319,16 +10319,16 @@
       }
     },
     "express": {
-      "version": "4.21.0",
+      "version": "4.21.1",
-      "resolved": "https://registry.npmjs.org/express/-/express-4.21.0.tgz",
+      "resolved": "https://registry.npmjs.org/express/-/express-4.21.1.tgz",
-      "integrity": "sha512-VqcNGcj/Id5ZT1LZ/cfihi3ttTn+NJmkli2eZADigjq29qTlWi/hAQ43t/VLPq8+UX06FCEx3ByOYet6ZFblng==",
+      "integrity": "sha512-YSFlK1Ee0/GC8QaO91tHcDxJiE/X4FbpAyQWkxAvG6AXCuR65YzK8ua6D9hvi/TzUfZMpc+BwuM1IPw8fmQBiQ==",
       "requires": {
         "accepts": "~1.3.8",
         "array-flatten": "1.1.1",
         "body-parser": "1.20.3",
         "content-disposition": "0.5.4",
         "content-type": "~1.0.4",
-        "cookie": "0.6.0",
+        "cookie": "0.7.1",
         "cookie-signature": "1.0.6",
         "debug": "2.6.9",
         "depd": "2.0.0",

backend/package.json

@@ -45,7 +45,7 @@
     "axios": "1.7.2",
     "bitcoinjs-lib": "~6.1.3",
     "crypto-js": "~4.2.0",
-    "express": "~4.21.0",
+    "express": "~4.21.1",
     "maxmind": "~4.3.11",
     "mysql2": "~3.11.0",
     "rust-gbt": "file:./rust-gbt",

backend/src/__fixtures__/mempool-config.template.json

@@ -47,7 +47,8 @@
     "PASSWORD": "__CORE_RPC_PASSWORD__",
     "TIMEOUT": 1000,
     "COOKIE": false,
-    "COOKIE_PATH": "__CORE_RPC_COOKIE_PATH__"
+    "COOKIE_PATH": "__CORE_RPC_COOKIE_PATH__",
+    "DEBUG_LOG_PATH": "__CORE_RPC_DEBUG_LOG_PATH__"
   },
   "ELECTRUM": {
     "HOST": "__ELECTRUM_HOST__",

backend/src/__tests__/config.test.ts

@@ -74,7 +74,8 @@ describe('Mempool Backend Config', () => {
         PASSWORD: 'mempool',
         TIMEOUT: 60000,
         COOKIE: false,
-        COOKIE_PATH: '/bitcoin/.cookie'
+        COOKIE_PATH: '/bitcoin/.cookie',
+        DEBUG_LOG_PATH: '',
       });
 
       expect(config.SECOND_CORE_RPC).toStrictEqual({

backend/src/api/bitcoin/bitcoin-api-abstract-factory.ts

@@ -1,4 +1,4 @@
-import { IBitcoinApi, TestMempoolAcceptResult } from './bitcoin-api.interface';
+import { IBitcoinApi, SubmitPackageResult, TestMempoolAcceptResult } from './bitcoin-api.interface';
 import { IEsploraApi } from './esplora-api.interface';
 
 export interface AbstractBitcoinApi {
@@ -23,12 +23,14 @@ export interface AbstractBitcoinApi {
   $getScriptHashTransactions(address: string, lastSeenTxId: string): Promise<IEsploraApi.Transaction[]>;
   $sendRawTransaction(rawTransaction: string): Promise<string>;
   $testMempoolAccept(rawTransactions: string[], maxfeerate?: number): Promise<TestMempoolAcceptResult[]>;
+  $submitPackage(rawTransactions: string[], maxfeerate?: number, maxburnamount?: number): Promise<SubmitPackageResult>;
   $getOutspend(txId: string, vout: number): Promise<IEsploraApi.Outspend>;
   $getOutspends(txId: string): Promise<IEsploraApi.Outspend[]>;
   $getBatchedOutspends(txId: string[]): Promise<IEsploraApi.Outspend[][]>;
   $getBatchedOutspendsInternal(txId: string[]): Promise<IEsploraApi.Outspend[][]>;
   $getOutSpendsByOutpoint(outpoints: { txid: string, vout: number }[]): Promise<IEsploraApi.Outspend[]>;
   $getCoinbaseTx(blockhash: string): Promise<IEsploraApi.Transaction>;
+  $getAddressTransactionSummary(address: string): Promise<IEsploraApi.AddressTxSummary[]>;
 
   startHealthChecks(): void;
   getHealthStatus(): HealthCheckHost[];

backend/src/api/bitcoin/bitcoin-api.interface.ts

@@ -218,3 +218,21 @@ export interface TestMempoolAcceptResult {
   },
   ['reject-reason']?: string,
 }
+
+export interface SubmitPackageResult {
+  package_msg: string;
+  "tx-results": { [wtxid: string]: TxResult };
+  "replaced-transactions"?: string[];
+}
+
+export interface TxResult {
+  txid: string;
+  "other-wtxid"?: string;
+  vsize?: number;
+  fees?: {
+    base: number;
+    "effective-feerate"?: number;
+    "effective-includes"?: string[];
+  };
+  error?: string;
+}

backend/src/api/bitcoin/bitcoin-api.ts

@@ -1,6 +1,6 @@
 import * as bitcoinjs from 'bitcoinjs-lib';
 import { AbstractBitcoinApi, HealthCheckHost } from './bitcoin-api-abstract-factory';
-import { IBitcoinApi, TestMempoolAcceptResult } from './bitcoin-api.interface';
+import { IBitcoinApi, SubmitPackageResult, TestMempoolAcceptResult } from './bitcoin-api.interface';
 import { IEsploraApi } from './esplora-api.interface';
 import blocks from '../blocks';
 import mempool from '../mempool';
@@ -196,6 +196,10 @@ class BitcoinApi implements AbstractBitcoinApi {
     }
   }
 
+  $submitPackage(rawTransactions: string[], maxfeerate?: number, maxburnamount?: number): Promise<SubmitPackageResult> {
+    return this.bitcoindClient.submitPackage(rawTransactions, maxfeerate ?? undefined, maxburnamount ?? undefined);
+  }
+
   async $getOutspend(txId: string, vout: number): Promise<IEsploraApi.Outspend> {
     const txOut = await this.bitcoindClient.getTxOut(txId, vout, false);
     return {
@@ -251,6 +255,10 @@ class BitcoinApi implements AbstractBitcoinApi {
     return this.$getRawTransaction(txids[0]);
   }
 
+  async $getAddressTransactionSummary(address: string): Promise<IEsploraApi.AddressTxSummary[]> {
+    throw new Error('Method getAddressTransactionSummary not supported by the Bitcoin RPC API.');
+  }
+
   $getEstimatedHashrate(blockHeight: number): Promise<number> {
     // 120 is the default block span in Core
     return this.bitcoindClient.getNetworkHashPs(120, blockHeight);

backend/src/api/bitcoin/bitcoin-core.routes.ts

@@ -1,6 +1,11 @@
 import { Application, NextFunction, Request, Response } from 'express';
 import logger from '../../logger';
 import bitcoinClient from './bitcoin-client';
+import config from '../../config';
+
+const BLOCKHASH_REGEX = /^[a-f0-9]{64}$/i;
+const TXID_REGEX = /^[a-f0-9]{64}$/i;
+const RAW_TX_REGEX = /^[a-f0-9]{2,}$/i;
 
 /**
  * Define a set of routes used by the accelerator server
@@ -9,17 +14,17 @@ import bitcoinClient from './bitcoin-client';
 class BitcoinBackendRoutes {
   private static tag = 'BitcoinBackendRoutes';
 
-  public initRoutes(app: Application) {
+  public initRoutes(app: Application): void {
     app
-      .get('/api/internal/bitcoin-core/' + 'get-mempool-entry', this.disableCache, this.$getMempoolEntry)
+      .get(config.MEMPOOL.API_URL_PREFIX + 'internal/bitcoin-core/' + 'get-mempool-entry', this.disableCache, this.$getMempoolEntry)
-      .post('/api/internal/bitcoin-core/' + 'decode-raw-transaction', this.disableCache, this.$decodeRawTransaction)
+      .post(config.MEMPOOL.API_URL_PREFIX + 'internal/bitcoin-core/' + 'decode-raw-transaction', this.disableCache, this.$decodeRawTransaction)
-      .get('/api/internal/bitcoin-core/' + 'get-raw-transaction', this.disableCache, this.$getRawTransaction)
+      .get(config.MEMPOOL.API_URL_PREFIX + 'internal/bitcoin-core/' + 'get-raw-transaction', this.disableCache, this.$getRawTransaction)
-      .post('/api/internal/bitcoin-core/' + 'send-raw-transaction', this.disableCache, this.$sendRawTransaction)
+      .post(config.MEMPOOL.API_URL_PREFIX + 'internal/bitcoin-core/' + 'send-raw-transaction', this.disableCache, this.$sendRawTransaction)
-      .post('/api/internal/bitcoin-core/' + 'test-mempool-accept', this.disableCache, this.$testMempoolAccept)
+      .post(config.MEMPOOL.API_URL_PREFIX + 'internal/bitcoin-core/' + 'test-mempool-accept', this.disableCache, this.$testMempoolAccept)
-      .get('/api/internal/bitcoin-core/' + 'get-mempool-ancestors', this.disableCache, this.$getMempoolAncestors)
+      .get(config.MEMPOOL.API_URL_PREFIX + 'internal/bitcoin-core/' + 'get-mempool-ancestors', this.disableCache, this.$getMempoolAncestors)
-      .get('/api/internal/bitcoin-core/' + 'get-block', this.disableCache, this.$getBlock)
+      .get(config.MEMPOOL.API_URL_PREFIX + 'internal/bitcoin-core/' + 'get-block', this.disableCache, this.$getBlock)
-      .get('/api/internal/bitcoin-core/' + 'get-block-hash', this.disableCache, this.$getBlockHash)
+      .get(config.MEMPOOL.API_URL_PREFIX + 'internal/bitcoin-core/' + 'get-block-hash', this.disableCache, this.$getBlockHash)
-      .get('/api/internal/bitcoin-core/' + 'get-block-count', this.disableCache, this.$getBlockCount)
+      .get(config.MEMPOOL.API_URL_PREFIX + 'internal/bitcoin-core/' + 'get-block-count', this.disableCache, this.$getBlockCount)
     ;
   }
 
@@ -46,9 +51,9 @@ class BitcoinBackendRoutes {
    */
   private static handleException(e: any, fnName: string, res: Response): void {
     if (typeof(e.code) === 'number') {
-      res.status(400).send(JSON.stringify(e, ['code', 'message']));
+      res.status(400).send(JSON.stringify(e, ['code']));
     } else {
-      const err = `exception in ${fnName}. ${e}. Details: ${JSON.stringify(e, ['code', 'message'])}`; 
+      const err = `unknown exception in ${fnName}`;
       logger.err(err, BitcoinBackendRoutes.tag);
       res.status(500).send(err);
     }
@@ -57,13 +62,13 @@ class BitcoinBackendRoutes {
   private async $getMempoolEntry(req: Request, res: Response): Promise<void> {
     const txid = req.query.txid;
     try {
-      if (typeof(txid) !== 'string' || txid.length !== 64) {
+      if (typeof(txid) !== 'string' || txid.length !== 64 || !TXID_REGEX.test(txid)) {
-        res.status(400).send(`invalid param txid ${txid}. must be a string of 64 char`);
+        res.status(400).send(`invalid param txid. must be 64 hexadecimal characters`);
         return;
       }
       const mempoolEntry = await bitcoinClient.getMempoolEntry(txid);
       if (!mempoolEntry) {
-        res.status(404).send(`no mempool entry found for txid ${txid}`);
+        res.status(404).send();
         return;
       }
       res.status(200).send(mempoolEntry);
@@ -75,13 +80,13 @@ class BitcoinBackendRoutes {
   private async $decodeRawTransaction(req: Request, res: Response): Promise<void> {
     const rawTx = req.body.rawTx;
     try {
-      if (typeof(rawTx) !== 'string') {
+      if (typeof(rawTx) !== 'string' || !RAW_TX_REGEX.test(rawTx)) {
-        res.status(400).send(`invalid param rawTx ${rawTx}. must be a string`);
+        res.status(400).send(`invalid param rawTx. must be a string of hexadecimal characters`);
         return;
       }
       const decodedTx = await bitcoinClient.decodeRawTransaction(rawTx);
       if (!decodedTx) {
-        res.status(400).send(`unable to decode rawTx ${rawTx}`);
+        res.status(400).send(`unable to decode rawTx`);
         return;
       }
       res.status(200).send(decodedTx);
@@ -94,23 +99,23 @@ class BitcoinBackendRoutes {
     const txid = req.query.txid;
     const verbose = req.query.verbose;
     try {
-      if (typeof(txid) !== 'string' || txid.length !== 64) {
+      if (typeof(txid) !== 'string' || txid.length !== 64 || !TXID_REGEX.test(txid)) {
-        res.status(400).send(`invalid param txid ${txid}. must be a string of 64 char`);
+        res.status(400).send(`invalid param txid. must be 64 hexadecimal characters`);
         return;
       }
       if (typeof(verbose) !== 'string') {
-        res.status(400).send(`invalid param verbose ${verbose}. must be a string representing an integer`);
+        res.status(400).send(`invalid param verbose. must be a string representing an integer`);
         return;
       }
       const verboseNumber = parseInt(verbose, 10);
       if (typeof(verboseNumber) !== 'number') {
-        res.status(400).send(`invalid param verbose ${verbose}. must be a valid integer`);
+        res.status(400).send(`invalid param verbose. must be a valid integer`);
         return;
       }
 
       const decodedTx = await bitcoinClient.getRawTransaction(txid, verboseNumber);
       if (!decodedTx) {
-        res.status(400).send(`unable to get raw transaction for txid ${txid}`);
+        res.status(400).send(`unable to get raw transaction`);
         return;
       }
       res.status(200).send(decodedTx);
@@ -122,13 +127,13 @@ class BitcoinBackendRoutes {
   private async $sendRawTransaction(req: Request, res: Response): Promise<void> {
     const rawTx = req.body.rawTx;
     try {
-      if (typeof(rawTx) !== 'string') {
+      if (typeof(rawTx) !== 'string' || !RAW_TX_REGEX.test(rawTx)) {
-        res.status(400).send(`invalid param rawTx ${rawTx}. must be a string`);
+        res.status(400).send(`invalid param rawTx. must be a string of hexadecimal characters`);
         return;
       }
       const txHex = await bitcoinClient.sendRawTransaction(rawTx);
       if (!txHex) {
-        res.status(400).send(`unable to send rawTx ${rawTx}`);
+        res.status(400).send(`unable to send rawTx`);
         return;
       }
       res.status(200).send(txHex);
@@ -140,13 +145,13 @@ class BitcoinBackendRoutes {
   private async $testMempoolAccept(req: Request, res: Response): Promise<void> {
     const rawTxs = req.body.rawTxs;
     try {
-      if (typeof(rawTxs) !== 'object') {
+      if (typeof(rawTxs) !== 'object' || !Array.isArray(rawTxs) || rawTxs.some((tx) => typeof(tx) !== 'string' || !RAW_TX_REGEX.test(tx))) {
-        res.status(400).send(`invalid param rawTxs ${JSON.stringify(rawTxs)}. must be an array of string`);
+        res.status(400).send(`invalid param rawTxs. must be an array of strings of hexadecimal characters`);
         return;
       }
       const txHex = await bitcoinClient.testMempoolAccept(rawTxs);
       if (typeof(txHex) !== 'object' || txHex.length === 0) {
-        res.status(400).send(`testmempoolaccept failed for raw txs ${JSON.stringify(rawTxs)}, got an empty result`);
+        res.status(400).send(`testmempoolaccept failed for raw txs, got an empty result`);
         return;
       }
       res.status(200).send(txHex);
@@ -159,18 +164,18 @@ class BitcoinBackendRoutes {
     const txid = req.query.txid;
     const verbose = req.query.verbose;
     try {
-      if (typeof(txid) !== 'string' || txid.length !== 64) {
+      if (typeof(txid) !== 'string' || txid.length !== 64 || !TXID_REGEX.test(txid)) {
-        res.status(400).send(`invalid param txid ${txid}. must be a string of 64 char`);
+        res.status(400).send(`invalid param txid. must be 64 hexadecimal characters`);
         return;
       }
       if (typeof(verbose) !== 'string' || (verbose !== 'true' && verbose !== 'false')) {
-        res.status(400).send(`invalid param verbose ${verbose}. must be a string ('true' | 'false')`);
+        res.status(400).send(`invalid param verbose. must be a string ('true' | 'false')`);
         return;
       }
 
       const ancestors = await bitcoinClient.getMempoolAncestors(txid, verbose === 'true' ? true : false);
       if (!ancestors) {
-        res.status(400).send(`unable to get mempool ancestors for txid ${txid}`);
+        res.status(400).send(`unable to get mempool ancestors`);
         return;
       }
       res.status(200).send(ancestors);
@@ -183,23 +188,23 @@ class BitcoinBackendRoutes {
     const blockHash = req.query.hash;
     const verbosity = req.query.verbosity;
     try {
-      if (typeof(blockHash) !== 'string' || blockHash.length !== 64) {
+      if (typeof(blockHash) !== 'string' || blockHash.length !== 64 || !BLOCKHASH_REGEX.test(blockHash)) {
-        res.status(400).send(`invalid param blockHash ${blockHash}. must be a string of 64 char`);
+        res.status(400).send(`invalid param blockHash. must be 64 hexadecimal characters`);
         return;
       }
       if (typeof(verbosity) !== 'string') {
-        res.status(400).send(`invalid param verbosity ${verbosity}. must be a string representing an integer`);
+        res.status(400).send(`invalid param verbosity. must be a string representing an integer`);
         return;
       }
       const verbosityNumber = parseInt(verbosity, 10);
       if (typeof(verbosityNumber) !== 'number') {
-        res.status(400).send(`invalid param verbosity ${verbosity}. must be a valid integer`);
+        res.status(400).send(`invalid param verbosity. must be a valid integer`);
         return;
       }
 
       const block = await bitcoinClient.getBlock(blockHash, verbosityNumber);
       if (!block) {
-        res.status(400).send(`unable to get block for block hash ${blockHash}`);
+        res.status(400).send(`unable to get block`);
         return;
       }
       res.status(200).send(block);
@@ -212,18 +217,18 @@ class BitcoinBackendRoutes {
     const blockHeight = req.query.height;
     try {
       if (typeof(blockHeight) !== 'string') {
-        res.status(400).send(`invalid param blockHeight ${blockHeight}, must be a string representing an integer`);
+        res.status(400).send(`invalid param blockHeight, must be a string representing an integer`);
         return;
       }
       const blockHeightNumber = parseInt(blockHeight, 10);
       if (typeof(blockHeightNumber) !== 'number') {
-        res.status(400).send(`invalid param blockHeight ${blockHeight}. must be a valid integer`);
+        res.status(400).send(`invalid param blockHeight. must be a valid integer`);
         return;
       }
 
       const block = await bitcoinClient.getBlockHash(blockHeightNumber);
       if (!block) {
-        res.status(400).send(`unable to get block hash for block height ${blockHeightNumber}`);
+        res.status(400).send(`unable to get block hash`);
         return;
       }
       res.status(200).send(block);
@@ -246,4 +251,4 @@ class BitcoinBackendRoutes {
   }
 }
 
-export default new BitcoinBackendRoutes
+export default new BitcoinBackendRoutes;

backend/src/api/bitcoin/bitcoin.routes.ts

@@ -22,6 +22,11 @@ import rbfCache from '../rbf-cache';
 import { calculateMempoolTxCpfp } from '../cpfp';
 import { handleError } from '../../utils/api';
 
+const TXID_REGEX = /^[a-f0-9]{64}$/i;
+const BLOCK_HASH_REGEX = /^[a-f0-9]{64}$/i;
+const ADDRESS_REGEX = /^[a-z0-9]{2,120}$/i;
+const SCRIPT_HASH_REGEX = /^([a-f0-9]{2})+$/i;
+
 class BitcoinRoutes {
   public initRoutes(app: Application) {
     app
@@ -42,12 +47,15 @@ class BitcoinRoutes {
       .get(config.MEMPOOL.API_URL_PREFIX + 'blocks/:height', this.getBlocks.bind(this))
       .get(config.MEMPOOL.API_URL_PREFIX + 'block/:hash', this.getBlock)
       .get(config.MEMPOOL.API_URL_PREFIX + 'block/:hash/summary', this.getStrippedBlockTransactions)
+      .get(config.MEMPOOL.API_URL_PREFIX + 'block/:hash/tx/:txid/summary', this.getStrippedBlockTransaction)
       .get(config.MEMPOOL.API_URL_PREFIX + 'block/:hash/audit-summary', this.getBlockAuditSummary)
       .get(config.MEMPOOL.API_URL_PREFIX + 'block/:hash/tx/:txid/audit', this.$getBlockTxAuditSummary)
       .get(config.MEMPOOL.API_URL_PREFIX + 'blocks/tip/height', this.getBlockTipHeight)
       .post(config.MEMPOOL.API_URL_PREFIX + 'psbt/addparents', this.postPsbtCompletion)
       .get(config.MEMPOOL.API_URL_PREFIX + 'blocks-bulk/:from', this.getBlocksByBulk.bind(this))
       .get(config.MEMPOOL.API_URL_PREFIX + 'blocks-bulk/:from/:to', this.getBlocksByBulk.bind(this))
+      // Temporarily add txs/package endpoint for all backends until esplora supports it
+      .post(config.MEMPOOL.API_URL_PREFIX + 'txs/package', this.$submitPackage)
       ;
 
       if (config.MEMPOOL.BACKEND !== 'esplora') {
@@ -87,7 +95,7 @@ class BitcoinRoutes {
       res.set('Content-Type', 'application/json');
       res.send(result);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get init data');
     }
   }
 
@@ -106,7 +114,7 @@ class BitcoinRoutes {
       const result = mempoolBlocks.getMempoolBlocks();
       res.json(result);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get mempool blocks');
     }
   }
 
@@ -118,7 +126,10 @@ class BitcoinRoutes {
     const txIds: string[] = [];
     for (const _txId in req.query.txId) {
       if (typeof req.query.txId[_txId] === 'string') {
-        txIds.push(req.query.txId[_txId].toString());
+        const txid = req.query.txId[_txId].toString();
+        if (TXID_REGEX.test(txid)) {
+          txIds.push(txid);
+        }
       }
     }
 
@@ -137,18 +148,22 @@ class BitcoinRoutes {
       handleError(req, res, 400, 'Too many txids requested');
       return;
     }
+    if (txids.some((txid) => !TXID_REGEX.test(txid))) {
+      handleError(req, res, 400, 'Invalid txids format');
+      return;
+    }
 
     try {
       const batchedOutspends = await bitcoinApi.$getBatchedOutspends(txids);
       res.json(batchedOutspends);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get batched outspends');
     }
   }
 
   private async $getCpfpInfo(req: Request, res: Response) {
-    if (!/^[a-fA-F0-9]{64}$/.test(req.params.txId)) {
+    if (!TXID_REGEX.test(req.params.txId)) {
-      handleError(req, res, 501, `Invalid transaction ID.`);
+      handleError(req, res, 501, `Invalid transaction ID`);
       return;
     }
 
@@ -181,7 +196,7 @@ class BitcoinRoutes {
         try {
           cpfpInfo = await transactionRepository.$getCpfpInfo(req.params.txId);
         } catch (e) {
-          handleError(req, res, 500, 'failed to get CPFP info');
+          handleError(req, res, 500, 'Failed to get CPFP info');
           return;
         }
       }
@@ -202,6 +217,10 @@ class BitcoinRoutes {
   }
 
   private async getTransaction(req: Request, res: Response) {
+    if (!TXID_REGEX.test(req.params.txId)) {
+      handleError(req, res, 501, `Invalid transaction ID`);
+      return;
+    }
     try {
       const transaction = await transactionUtils.$getTransactionExtended(req.params.txId, true, false, false, true);
       res.json(transaction);
@@ -209,12 +228,17 @@ class BitcoinRoutes {
       let statusCode = 500;
       if (e instanceof Error && e instanceof Error && e.message && e.message.indexOf('No such mempool or blockchain transaction') > -1) {
         statusCode = 404;
+        handleError(req, res, statusCode, 'No such mempool or blockchain transaction');
       }
-      handleError(req, res, statusCode, e instanceof Error ? e.message : e);
+      handleError(req, res, statusCode, 'Failed to get transaction');
     }
   }
 
   private async getRawTransaction(req: Request, res: Response) {
+    if (!TXID_REGEX.test(req.params.txId)) {
+      handleError(req, res, 501, `Invalid transaction ID`);
+      return;
+    }
     try {
       const transaction: IEsploraApi.Transaction = await bitcoinApi.$getRawTransaction(req.params.txId, true);
       res.setHeader('content-type', 'text/plain');
@@ -223,8 +247,9 @@ class BitcoinRoutes {
       let statusCode = 500;
       if (e instanceof Error && e.message && e.message.indexOf('No such mempool or blockchain transaction') > -1) {
         statusCode = 404;
+        handleError(req, res, statusCode, 'No such mempool or blockchain transaction');
       }
-      handleError(req, res, statusCode, e instanceof Error ? e.message : e);
+      handleError(req, res, statusCode, 'Failed to get raw transaction');
     }
   }
 
@@ -289,14 +314,18 @@ class BitcoinRoutes {
       }
     } catch (e: any) {
       if (e instanceof Error && new RegExp(notFoundError).test(e.message)) {
-        handleError(req, res, 404, e.message);
+        handleError(req, res, 404, notFoundError);
       } else {
-        handleError(req, res, 500, e instanceof Error ? e.message : e);
+        handleError(req, res, 500, 'Failed to process PSBT');
       }
     }
   }
 
   private async getTransactionStatus(req: Request, res: Response) {
+    if (!TXID_REGEX.test(req.params.txId)) {
+      handleError(req, res, 501, `Invalid transaction ID`);
+      return;
+    }
     try {
       const transaction = await transactionUtils.$getTransactionExtended(req.params.txId, true);
       res.json(transaction.status);
@@ -304,22 +333,53 @@ class BitcoinRoutes {
       let statusCode = 500;
       if (e instanceof Error && e.message && e.message.indexOf('No such mempool or blockchain transaction') > -1) {
         statusCode = 404;
+        handleError(req, res, statusCode, 'No such mempool or blockchain transaction');
       }
-      handleError(req, res, statusCode, e instanceof Error ? e.message : e);
+      handleError(req, res, statusCode, 'Failed to get transaction status');
     }
   }
 
   private async getStrippedBlockTransactions(req: Request, res: Response) {
+    if (!BLOCK_HASH_REGEX.test(req.params.hash)) {
+      handleError(req, res, 501, `Invalid block hash`);
+      return;
+    }
     try {
       const transactions = await blocks.$getStrippedBlockTransactions(req.params.hash);
       res.setHeader('Expires', new Date(Date.now() + 1000 * 3600 * 24 * 30).toUTCString());
       res.json(transactions);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get block summary');
+    }
+  }
+
+  private async getStrippedBlockTransaction(req: Request, res: Response) {
+    if (!BLOCK_HASH_REGEX.test(req.params.hash)) {
+      handleError(req, res, 501, `Invalid block hash`);
+      return;
+    }
+    if (!TXID_REGEX.test(req.params.txid)) {
+      handleError(req, res, 501, `Invalid transaction ID`);
+      return;
+    }
+    try {
+      const transaction = await blocks.$getSingleTxFromSummary(req.params.hash, req.params.txid);
+      if (!transaction) {
+        handleError(req, res, 404, `Transaction not found in summary`);
+        return;
+      }
+      res.setHeader('Expires', new Date(Date.now() + 1000 * 3600 * 24 * 30).toUTCString());
+      res.json(transaction);
+    } catch (e) {
+      handleError(req, res, 500, 'Failed to get transaction from summary');
     }
   }
 
   private async getBlock(req: Request, res: Response) {
+    if (!BLOCK_HASH_REGEX.test(req.params.hash)) {
+      handleError(req, res, 501, `Invalid block hash`);
+      return;
+    }
     try {
       const block = await blocks.$getBlock(req.params.hash);
 
@@ -331,53 +391,69 @@ class BitcoinRoutes {
       } else if (blockAge > 30 * day) {
         cacheDuration = 10 * day;
       } else {
-        cacheDuration = 600
+        cacheDuration = 600;
       }
 
       res.setHeader('Expires', new Date(Date.now() + 1000 * cacheDuration).toUTCString());
       res.json(block);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get block');
     }
   }
 
   private async getBlockHeader(req: Request, res: Response) {
+    if (!BLOCK_HASH_REGEX.test(req.params.hash)) {
+      handleError(req, res, 501, `Invalid block hash`);
+      return;
+    }
     try {
       const blockHeader = await bitcoinApi.$getBlockHeader(req.params.hash);
       res.setHeader('content-type', 'text/plain');
       res.send(blockHeader);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get block header');
     }
   }
 
   private async getBlockAuditSummary(req: Request, res: Response) {
+    if (!BLOCK_HASH_REGEX.test(req.params.hash)) {
+      handleError(req, res, 501, `Invalid block hash`);
+      return;
+    }
     try {
       const auditSummary = await blocks.$getBlockAuditSummary(req.params.hash);
       if (auditSummary) {
         res.setHeader('Expires', new Date(Date.now() + 1000 * 3600 * 24 * 30).toUTCString());
         res.json(auditSummary);
       } else {
-        handleError(req, res, 404, `audit not available`);
+        handleError(req, res, 404, `Audit not available`);
         return;
       }
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get block audit summary');
     }
   }
 
   private async $getBlockTxAuditSummary(req: Request, res: Response) {
+    if (!BLOCK_HASH_REGEX.test(req.params.hash)) {
+      handleError(req, res, 501, `Invalid block hash`);
+      return;
+    }
+    if (!TXID_REGEX.test(req.params.txid)) {
+      handleError(req, res, 501, `Invalid transaction ID`);
+      return;
+    }
     try {
       const auditSummary = await blocks.$getBlockTxAuditSummary(req.params.hash, req.params.txid);
       if (auditSummary) {
         res.setHeader('Expires', new Date(Date.now() + 1000 * 3600 * 24 * 30).toUTCString());
         res.json(auditSummary);
       } else {
-        handleError(req, res, 404, `transaction audit not available`);
+        handleError(req, res, 404, `Transaction audit not available`);
         return;
       }
     } catch (e) {
-      res.status(500).send(e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get transaction audit summary');
     }
   }
 
@@ -391,7 +467,7 @@ class BitcoinRoutes {
         return await this.getLegacyBlocks(req, res);
       }
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get blocks');
     }
   }
 
@@ -433,7 +509,7 @@ class BitcoinRoutes {
       res.json(await blocks.$getBlocksBetweenHeight(from, to));
 
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get blocks');
     }
   }
 
@@ -468,11 +544,15 @@ class BitcoinRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
       res.json(returnBlocks);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get blocks');
     }
   }
 
   private async getBlockTransactions(req: Request, res: Response) {
+    if (!BLOCK_HASH_REGEX.test(req.params.hash)) {
+      handleError(req, res, 501, `Invalid block hash`);
+      return;
+    }
     try {
       loadingIndicators.setProgress('blocktxs-' + req.params.hash, 0);
 
@@ -493,7 +573,7 @@ class BitcoinRoutes {
       res.json(transactions);
     } catch (e) {
       loadingIndicators.setProgress('blocktxs-' + req.params.hash, 100);
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get block transactions');
     }
   }
 
@@ -502,7 +582,7 @@ class BitcoinRoutes {
       const blockHash = await bitcoinApi.$getBlockHash(parseInt(req.params.height, 10));
       res.send(blockHash);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get block at height');
     }
   }
 
@@ -511,16 +591,20 @@ class BitcoinRoutes {
       handleError(req, res, 405, 'Address lookups cannot be used with bitcoind as backend.');
       return;
     }
+    if (!ADDRESS_REGEX.test(req.params.address)) {
+      handleError(req, res, 501, `Invalid address`);
+      return;
+    }
 
     try {
       const addressData = await bitcoinApi.$getAddress(req.params.address);
       res.json(addressData);
     } catch (e) {
       if (e instanceof Error && e.message && (e.message.indexOf('too long') > 0 || e.message.indexOf('confirmed status') > 0)) {
-        handleError(req, res, 413, e instanceof Error ? e.message : e);
+        handleError(req, res, 413, e.message);
         return;
       }
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get address');
     }
   }
 
@@ -529,6 +613,10 @@ class BitcoinRoutes {
       handleError(req, res, 405, 'Address lookups cannot be used with bitcoind as backend.');
       return;
     }
+    if (!ADDRESS_REGEX.test(req.params.address)) {
+      handleError(req, res, 501, `Invalid address`);
+      return;
+    }
 
     try {
       let lastTxId: string = '';
@@ -539,10 +627,10 @@ class BitcoinRoutes {
       res.json(transactions);
     } catch (e) {
       if (e instanceof Error && e.message && (e.message.indexOf('too long') > 0 || e.message.indexOf('confirmed status') > 0)) {
-        handleError(req, res, 413, e instanceof Error ? e.message : e);
+        handleError(req, res, 413, e.message);
         return;
       }
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get address transactions');
     }
   }
 
@@ -558,6 +646,10 @@ class BitcoinRoutes {
       handleError(req, res, 405, 'Address lookups cannot be used with bitcoind as backend.');
       return;
     }
+    if (!SCRIPT_HASH_REGEX.test(req.params.scripthash)) {
+      handleError(req, res, 501, `Invalid scripthash`);
+      return;
+    }
 
     try {
       // electrum expects scripthashes in little-endian
@@ -566,10 +658,10 @@ class BitcoinRoutes {
       res.json(addressData);
     } catch (e) {
       if (e instanceof Error && e.message && (e.message.indexOf('too long') > 0 || e.message.indexOf('confirmed status') > 0)) {
-        handleError(req, res, 413, e instanceof Error ? e.message : e);
+        handleError(req, res, 413, e.message);
         return;
       }
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get script hash');
     }
   }
 
@@ -578,6 +670,10 @@ class BitcoinRoutes {
       handleError(req, res, 405, 'Address lookups cannot be used with bitcoind as backend.');
       return;
     }
+    if (!SCRIPT_HASH_REGEX.test(req.params.scripthash)) {
+      handleError(req, res, 501, `Invalid scripthash`);
+      return;
+    }
 
     try {
       // electrum expects scripthashes in little-endian
@@ -590,10 +686,10 @@ class BitcoinRoutes {
       res.json(transactions);
     } catch (e) {
       if (e instanceof Error && e.message && (e.message.indexOf('too long') > 0 || e.message.indexOf('confirmed status') > 0)) {
-        handleError(req, res, 413, e instanceof Error ? e.message : e);
+        handleError(req, res, 413, e.message);
         return;
       }
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get script hash transactions');
     }
   }
 
@@ -606,10 +702,10 @@ class BitcoinRoutes {
 
   private async getAddressPrefix(req: Request, res: Response) {
     try {
-      const blockHash = await bitcoinApi.$getAddressPrefix(req.params.prefix);
+      const addressPrefix = await bitcoinApi.$getAddressPrefix(req.params.prefix);
-      res.send(blockHash);
+      res.send(addressPrefix);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get address prefix');
     }
   }
 
@@ -650,7 +746,7 @@ class BitcoinRoutes {
       res.setHeader('content-type', 'text/plain');
       res.send(result.toString());
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get height at tip');
     }
   }
 
@@ -660,39 +756,55 @@ class BitcoinRoutes {
       res.setHeader('content-type', 'text/plain');
       res.send(result);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get hash at tip');
     }
   }
 
   private async getRawBlock(req: Request, res: Response) {
+    if (!BLOCK_HASH_REGEX.test(req.params.hash)) {
+      handleError(req, res, 501, `Invalid block hash`);
+      return;
+    }
     try {
       const result = await bitcoinApi.$getRawBlock(req.params.hash);
       res.setHeader('content-type', 'application/octet-stream');
       res.send(result);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get raw block');
     }
   }
 
   private async getTxIdsForBlock(req: Request, res: Response) {
+    if (!BLOCK_HASH_REGEX.test(req.params.hash)) {
+      handleError(req, res, 501, `Invalid block hash`);
+      return;
+    }
     try {
       const result = await bitcoinApi.$getTxIdsForBlock(req.params.hash);
       res.json(result);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get txids for block');
     }
   }
 
   private async validateAddress(req: Request, res: Response) {
+    if (!ADDRESS_REGEX.test(req.params.address)) {
+      handleError(req, res, 501, `Invalid address`);
+      return;
+    }
     try {
       const result = await bitcoinClient.validateAddress(req.params.address);
       res.json(result);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to validate address');
     }
   }
 
   private async getRbfHistory(req: Request, res: Response) {
+    if (!TXID_REGEX.test(req.params.txId)) {
+      handleError(req, res, 501, `Invalid transaction ID`);
+      return;
+    }
     try {
       const replacements = rbfCache.getRbfTree(req.params.txId) || null;
       const replaces = rbfCache.getReplaces(req.params.txId) || null;
@@ -701,7 +813,7 @@ class BitcoinRoutes {
         replaces
       });
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get rbf history');
     }
   }
 
@@ -710,7 +822,7 @@ class BitcoinRoutes {
       const result = rbfCache.getRbfTrees(false);
       res.json(result);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get rbf trees');
     }
   }
 
@@ -719,11 +831,15 @@ class BitcoinRoutes {
       const result = rbfCache.getRbfTrees(true);
       res.json(result);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get full rbf replacements');
     }
   }
 
   private async getCachedTx(req: Request, res: Response) {
+    if (!TXID_REGEX.test(req.params.txId)) {
+      handleError(req, res, 501, `Invalid transaction ID`);
+      return;
+    }
     try {
       const result = rbfCache.getTx(req.params.txId);
       if (result) {
@@ -732,16 +848,20 @@ class BitcoinRoutes {
         res.status(204).send();
       }
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get cached tx');
     }
   }
 
   private async getTransactionOutspends(req: Request, res: Response) {
+    if (!TXID_REGEX.test(req.params.txId)) {
+      handleError(req, res, 501, `Invalid transaction ID`);
+      return;
+    }
     try {
       const result = await bitcoinApi.$getOutspends(req.params.txId);
       res.json(result);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get transaction outspends');
     }
   }
 
@@ -754,7 +874,7 @@ class BitcoinRoutes {
         handleError(req, res, 503, `Service Temporarily Unavailable`);
       }
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get difficulty change');
     }
   }
 
@@ -765,8 +885,8 @@ class BitcoinRoutes {
       const txIdResult = await bitcoinApi.$sendRawTransaction(rawTx);
       res.send(txIdResult);
     } catch (e: any) {
-      handleError(req, res, 400, e.message && e.code ? 'sendrawtransaction RPC error: ' + JSON.stringify({ code: e.code, message: e.message })
+      handleError(req, res, 400, (e.message && e.code) ? 'sendrawtransaction RPC error: ' + JSON.stringify({ code: e.code })
-        : (e.message || 'Error'));
+        : 'Failed to send raw transaction');
     }
   }
 
@@ -777,8 +897,8 @@ class BitcoinRoutes {
       const txIdResult = await bitcoinClient.sendRawTransaction(txHex);
       res.send(txIdResult);
     } catch (e: any) {
-      handleError(req, res, 400, e.message && e.code ? 'sendrawtransaction RPC error: ' + JSON.stringify({ code: e.code, message: e.message })
+      handleError(req, res, 400, (e.message && e.code) ? 'sendrawtransaction RPC error: ' + JSON.stringify({ code: e.code })
-        : (e.message || 'Error'));
+        : 'Failed to send raw transaction');
     }
   }
 
@@ -789,8 +909,21 @@ class BitcoinRoutes {
       const result = await bitcoinApi.$testMempoolAccept(rawTxs, maxfeerate);
       res.send(result);
     } catch (e: any) {
-      handleError(req, res, 400, e.message && e.code ? 'testmempoolaccept RPC error: ' + JSON.stringify({ code: e.code, message: e.message })
+      handleError(req, res, 400, (e.message && e.code) ? 'testmempoolaccept RPC error: ' + JSON.stringify({ code: e.code })
-        : (e.message || 'Error'));
+        : 'Failed to test transactions');
+    }
+  }
+
+  private async $submitPackage(req: Request, res: Response) {
+    try {
+      const rawTxs = Common.getTransactionsFromRequest(req);
+      const maxfeerate = parseFloat(req.query.maxfeerate as string);
+      const maxburnamount = parseFloat(req.query.maxburnamount as string);
+      const result = await bitcoinClient.submitPackage(rawTxs, maxfeerate ?? undefined, maxburnamount ?? undefined);
+      res.send(result);
+    } catch (e: any) {
+      handleError(req, res, 400, (e.message && e.code) ? 'submitpackage RPC error: ' + JSON.stringify({ code: e.code })
+        : 'Failed to submit package');
     }
   }
 

backend/src/api/bitcoin/esplora-api.interface.ts

@@ -179,4 +179,11 @@ export namespace IEsploraApi {
     burn_count: number;
   }
 
+  export interface AddressTxSummary {
+    txid: string;
+    value: number;
+    height: number;
+    time: number;
+    tx_position?: number;
+  }
 }

backend/src/api/bitcoin/esplora-api.ts

@@ -1,12 +1,12 @@
 import config from '../../config';
-import axios, { AxiosResponse, isAxiosError } from 'axios';
+import axios, { isAxiosError } from 'axios';
 import http from 'http';
 import { AbstractBitcoinApi, HealthCheckHost } from './bitcoin-api-abstract-factory';
 import { IEsploraApi } from './esplora-api.interface';
 import logger from '../../logger';
 import { Common } from '../common';
-import { TestMempoolAcceptResult } from './bitcoin-api.interface';
+import { SubmitPackageResult, TestMempoolAcceptResult } from './bitcoin-api.interface';
-
+import os from 'os';
 interface FailoverHost {
   host: string,
   rtts: number[],
@@ -20,6 +20,13 @@ interface FailoverHost {
   preferred?: boolean,
   checked: boolean,
   lastChecked?: number,
+  publicDomain: string,
+  hashes: {
+    frontend?: string,
+    backend?: string,
+    electrs?: string,
+    lastUpdated: number,
+  }
 }
 
 class FailoverRouter {
@@ -29,14 +36,21 @@ class FailoverRouter {
   maxHeight: number = 0;
   hosts: FailoverHost[];
   multihost: boolean;
-  pollInterval: number = 60000;
+  gitHashInterval: number = 600000; // 10 minutes
+  pollInterval: number = 60000; // 1 minute
   pollTimer: NodeJS.Timeout | null = null;
   pollConnection = axios.create();
+  localHostname: string = 'localhost';
   requestConnection = axios.create({
     httpAgent: new http.Agent({ keepAlive: true })
   });
 
   constructor() {
+    try {
+      this.localHostname = os.hostname();
+    } catch (e) {
+      logger.warn('Failed to set local hostname, using "localhost"');
+    }
     // setup list of hosts
     this.hosts = (config.ESPLORA.FALLBACK || []).map(domain => {
       return {
@@ -45,6 +59,10 @@ class FailoverRouter {
         rtts: [],
         rtt: Infinity,
         failures: 0,
+        publicDomain: 'https://' + this.extractPublicDomain(domain),
+        hashes: {
+          lastUpdated: 0,
+        },
       };
     });
     this.activeHost = {
@@ -55,6 +73,10 @@ class FailoverRouter {
       socket: !!config.ESPLORA.UNIX_SOCKET_PATH,
       preferred: true,
       checked: false,
+      publicDomain: `http://${this.localHostname}`,
+      hashes: {
+        lastUpdated: 0,
+      },
     };
     this.fallbackHost = this.activeHost;
     this.hosts.unshift(this.activeHost);
@@ -106,6 +128,24 @@ class FailoverRouter {
             host.outOfSync = false;
           }
           host.unreachable = false;
+
+          // update esplora git hash using the x-powered-by header from the height check
+          const poweredBy = result.headers['x-powered-by'];
+          if (poweredBy) {
+            const match = poweredBy.match(/([a-fA-F0-9]{5,40})/);
+            if (match && match[1]?.length) {
+              host.hashes.electrs = match[1];
+            }
+          }
+
+          // Check front and backend git hashes less often
+          if (Date.now() - host.hashes.lastUpdated > this.gitHashInterval) {
+            await Promise.all([
+              this.$updateFrontendGitHash(host),
+              this.$updateBackendGitHash(host)
+            ]);
+            host.hashes.lastUpdated = Date.now();
+          }
         } else {
           host.outOfSync = true;
           host.unreachable = true;
@@ -202,6 +242,47 @@ class FailoverRouter {
     }
   }
 
+  // methods for retrieving git hashes by host
+  private async $updateFrontendGitHash(host: FailoverHost): Promise<void> {
+    try {
+      const url = `${host.publicDomain}/resources/config.js`;
+      const response = await this.pollConnection.get<string>(url, { timeout: config.ESPLORA.FALLBACK_TIMEOUT });
+      const match = response.data.match(/GIT_COMMIT_HASH\s*=\s*['"](.*?)['"]/);
+      if (match && match[1]?.length) {
+        host.hashes.frontend = match[1];
+      }
+    } catch (e) {
+      // failed to get frontend build hash - do nothing
+    }
+  }
+
+  private async $updateBackendGitHash(host: FailoverHost): Promise<void> {
+    try {
+      const url = `${host.publicDomain}/api/v1/backend-info`;
+      const response = await this.pollConnection.get<any>(url, { timeout: config.ESPLORA.FALLBACK_TIMEOUT });
+      if (response.data?.gitCommit) {
+        host.hashes.backend = response.data.gitCommit;
+      }
+    } catch (e) {
+      // failed to get backend build hash - do nothing
+    }
+  }
+
+  // returns the public mempool domain corresponding to an esplora server url
+  // (a bit of a hack to avoid manually specifying frontend & backend URLs for each esplora server)
+  private extractPublicDomain(url: string): string {
+    // force the url to start with a valid protocol
+    const urlWithProtocol = url.startsWith('http') ? url : `https://${url}`;
+    // parse as URL and extract the hostname
+    try {
+      const parsed = new URL(urlWithProtocol);
+      return parsed.hostname;
+    } catch (e) {
+      // fallback to the original url
+      return url;
+    }
+  }
+
   private async $query<T>(method: 'get'| 'post', path, data: any, responseType = 'json', host = this.activeHost, retry: boolean = true): Promise<T> {
     let axiosConfig;
     let url;
@@ -305,7 +386,7 @@ class ElectrsApi implements AbstractBitcoinApi {
   }
 
   $getAddress(address: string): Promise<IEsploraApi.Address> {
-    throw new Error('Method getAddress not implemented.');
+    return this.failoverRouter.$get<IEsploraApi.Address>('/address/' + address);
   }
 
   $getAddressTransactions(address: string, txId?: string): Promise<IEsploraApi.Transaction[]> {
@@ -332,6 +413,10 @@ class ElectrsApi implements AbstractBitcoinApi {
     throw new Error('Method not implemented.');
   }
 
+  $submitPackage(rawTransactions: string[]): Promise<SubmitPackageResult> {
+    throw new Error('Method not implemented.');
+  }
+
   $getOutspend(txId: string, vout: number): Promise<IEsploraApi.Outspend> {
     return this.failoverRouter.$get<IEsploraApi.Outspend>('/tx/' + txId + '/outspend/' + vout);
   }
@@ -357,6 +442,10 @@ class ElectrsApi implements AbstractBitcoinApi {
     return this.failoverRouter.$get<IEsploraApi.Transaction>('/tx/' + txid);
   }
 
+  async $getAddressTransactionSummary(address: string): Promise<IEsploraApi.AddressTxSummary[]> {
+    return this.failoverRouter.$get<IEsploraApi.AddressTxSummary[]>('/address/' + address + '/txs/summary');
+  }
+
   public startHealthChecks(): void {
     this.failoverRouter.startHealthChecks();
   }
@@ -373,6 +462,7 @@ class ElectrsApi implements AbstractBitcoinApi {
         unreachable: !!host.unreachable,
         checked: !!host.checked,
         lastChecked: host.lastChecked || 0,
+        hashes: host.hashes,
       }));
     } else {
       return [];

backend/src/api/blocks.ts

@@ -412,8 +412,16 @@ class Blocks {
     }
 
     try {
+      const blockchainInfo = await bitcoinClient.getBlockchainInfo();
+      const currentBlockHeight = blockchainInfo.blocks;
+      let indexingBlockAmount = Math.min(config.MEMPOOL.INDEXING_BLOCKS_AMOUNT, currentBlockHeight);
+      if (indexingBlockAmount <= -1) {
+        indexingBlockAmount = currentBlockHeight + 1;
+      }
+      const lastBlockToIndex = Math.max(0, currentBlockHeight - indexingBlockAmount + 1);
+
       // Get all indexed block hash
-      const indexedBlocks = await blocksRepository.$getIndexedBlocks();
+      const indexedBlocks = (await blocksRepository.$getIndexedBlocks()).filter(block => block.height >= lastBlockToIndex);
       const indexedBlockSummariesHashesArray = await BlocksSummariesRepository.$getIndexedSummariesId();
 
       const indexedBlockSummariesHashes = {}; // Use a map for faster seek during the indexing loop
@@ -1216,6 +1224,11 @@ class Blocks {
     return summary.transactions;
   }
 
+  public async $getSingleTxFromSummary(hash: string, txid: string): Promise<TransactionClassified | null> {
+    const txs = await this.$getStrippedBlockTransactions(hash);
+    return txs.find(tx => tx.txid === txid) || null;
+  }
+
   /**
    * Get 15 blocks
    * 

backend/src/api/database-migration.ts

@@ -7,7 +7,7 @@ import cpfpRepository from '../repositories/CpfpRepository';
 import { RowDataPacket } from 'mysql2';
 
 class DatabaseMigration {
-  private static currentVersion = 82;
+  private static currentVersion = 94;
   private queryTimeout = 3600_000;
   private statisticsAddedIndexed = false;
   private uniqueLogs: string[] = [];
@@ -705,6 +705,419 @@ class DatabaseMigration {
       await this.$fixBadV1AuditBlocks();
       await this.updateToSchemaVersion(82);
     }
+
+    if (databaseSchemaVersion < 83 && isBitcoin === true) {
+      await this.$executeQuery('ALTER TABLE `blocks` ADD first_seen datetime(6) DEFAULT NULL');
+      await this.updateToSchemaVersion(83);
+    }
+
+    // add new pools indexes
+    if (databaseSchemaVersion < 84 && isBitcoin === true) {
+      await this.$executeQuery(`
+        ALTER TABLE \`pools\`
+          ADD INDEX \`slug\` (\`slug\`),
+          ADD INDEX \`unique_id\` (\`unique_id\`)
+      `);
+      await this.updateToSchemaVersion(84);
+    }
+
+    // lightning channels indexes
+    if (databaseSchemaVersion < 85 && isBitcoin === true) {
+      await this.$executeQuery(`
+        ALTER TABLE \`channels\`
+          ADD INDEX \`created\` (\`created\`),
+          ADD INDEX \`capacity\` (\`capacity\`),
+          ADD INDEX \`closing_reason\` (\`closing_reason\`),
+          ADD INDEX \`closing_resolved\` (\`closing_resolved\`)
+      `);
+      await this.updateToSchemaVersion(85);
+    }
+
+    // lightning nodes indexes
+    if (databaseSchemaVersion < 86 && isBitcoin === true) {
+      await this.$executeQuery(`
+        ALTER TABLE \`nodes\`
+          ADD INDEX \`status\` (\`status\`),
+          ADD INDEX \`channels\` (\`channels\`),
+          ADD INDEX \`country_id\` (\`country_id\`),
+          ADD INDEX \`as_number\` (\`as_number\`),
+          ADD INDEX \`first_seen\` (\`first_seen\`)
+      `);
+      await this.updateToSchemaVersion(86);
+    }
+
+    // lightning node sockets indexes
+    if (databaseSchemaVersion < 87 && isBitcoin === true) {
+      await this.$executeQuery('ALTER TABLE `nodes_sockets` ADD INDEX `type` (`type`)');
+      await this.updateToSchemaVersion(87);
+    }
+
+    // lightning stats indexes
+    if (databaseSchemaVersion < 88 && isBitcoin === true) {
+      await this.$executeQuery('ALTER TABLE `lightning_stats` ADD INDEX `added` (`added`)');
+      await this.updateToSchemaVersion(88);
+    }
+
+    // geo names indexes
+    if (databaseSchemaVersion < 89 && isBitcoin === true) {
+      await this.$executeQuery('ALTER TABLE `geo_names` ADD INDEX `names` (`names`)');
+      await this.updateToSchemaVersion(89);
+    }
+
+    // hashrates indexes
+    if (databaseSchemaVersion < 90 && isBitcoin === true) {
+      await this.$executeQuery('ALTER TABLE `hashrates` ADD INDEX `type` (`type`)');
+      await this.updateToSchemaVersion(90);
+    }
+
+    // block audits indexes
+    if (databaseSchemaVersion < 91 && isBitcoin === true) {
+      await this.$executeQuery('ALTER TABLE `blocks_audits` ADD INDEX `time` (`time`)');
+      await this.updateToSchemaVersion(91);
+    }
+
+    // elements_pegs indexes
+    if (databaseSchemaVersion < 92 && config.MEMPOOL.NETWORK === 'liquid') {
+      await this.$executeQuery(`
+        ALTER TABLE \`elements_pegs\`
+          ADD INDEX \`block\` (\`block\`),
+          ADD INDEX \`datetime\` (\`datetime\`),
+          ADD INDEX \`amount\` (\`amount\`),
+          ADD INDEX \`bitcoinaddress\` (\`bitcoinaddress\`),
+          ADD INDEX \`bitcointxid\` (\`bitcointxid\`)
+      `);
+      await this.updateToSchemaVersion(92);
+    }
+
+    // federation_txos indexes
+    if (databaseSchemaVersion < 93 && config.MEMPOOL.NETWORK === 'liquid') {
+      await this.$executeQuery(`
+        ALTER TABLE \`federation_txos\`
+          ADD INDEX \`unspent\` (\`unspent\`),
+          ADD INDEX \`lastblockupdate\` (\`lastblockupdate\`),
+          ADD INDEX \`blocktime\` (\`blocktime\`),
+          ADD INDEX \`emergencyKey\` (\`emergencyKey\`),
+          ADD INDEX \`expiredAt\` (\`expiredAt\`)
+      `);
+      await this.updateToSchemaVersion(93);
+    }
+
+    // Unify database schema for all mempool netwoks
+    // versions above 94 should not use network-specific flags
+    if (databaseSchemaVersion < 94) {
+
+      if (!isBitcoin) {
+        // Apply all the bitcoin specific migrations to non-bitcoin networks: liquid, liquidtestnet and testnet4 (!)
+        // Version 5
+        await this.$executeQuery('ALTER TABLE blocks ADD `reward` double unsigned NOT NULL DEFAULT "0"');
+
+        // Version 6
+        await this.$executeQuery('ALTER TABLE blocks MODIFY `height` integer unsigned NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE blocks MODIFY `tx_count` smallint unsigned NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE blocks MODIFY `size` integer unsigned NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE blocks MODIFY `weight` integer unsigned NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE blocks MODIFY `difficulty` double NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE blocks DROP FOREIGN KEY IF EXISTS `blocks_ibfk_1`');
+        await this.$executeQuery('ALTER TABLE pools MODIFY `id` smallint unsigned AUTO_INCREMENT');
+        await this.$executeQuery('ALTER TABLE blocks MODIFY `pool_id` smallint unsigned NULL');
+        await this.$executeQuery('ALTER TABLE blocks ADD FOREIGN KEY (`pool_id`) REFERENCES `pools` (`id`)');
+        await this.$executeQuery('ALTER TABLE blocks ADD `version` integer unsigned NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE blocks ADD `bits` integer unsigned NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE blocks ADD `nonce` bigint unsigned NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE blocks ADD `merkle_root` varchar(65) NOT NULL DEFAULT ""');
+        await this.$executeQuery('ALTER TABLE blocks ADD `previous_block_hash` varchar(65) NULL');
+
+        // Version 7
+        await this.$executeQuery('DROP table IF EXISTS hashrates;');
+        await this.$executeQuery(this.getCreateDailyStatsTableQuery(), await this.$checkIfTableExists('hashrates'));
+
+        // Version 8
+        await this.$executeQuery('ALTER TABLE `hashrates` DROP INDEX `PRIMARY`');
+        await this.$executeQuery('ALTER TABLE `hashrates` ADD `id` int NOT NULL AUTO_INCREMENT PRIMARY KEY FIRST');
+        await this.$executeQuery('ALTER TABLE `hashrates` ADD `share` float NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE `hashrates` ADD `type` enum("daily", "weekly") DEFAULT "daily"');
+
+        // Version 9
+        await this.$executeQuery('ALTER TABLE `state` CHANGE `name` `name` varchar(100)');
+        await this.$executeQuery('ALTER TABLE `hashrates` ADD UNIQUE `hashrate_timestamp_pool_id` (`hashrate_timestamp`, `pool_id`)');
+
+        // Version 10
+        await this.$executeQuery('ALTER TABLE `blocks` ADD INDEX `blockTimestamp` (`blockTimestamp`)');
+
+        // Version 11
+        await this.$executeQuery(`ALTER TABLE blocks
+          ADD avg_fee INT UNSIGNED NULL,
+          ADD avg_fee_rate INT UNSIGNED NULL
+        `);
+        await this.$executeQuery('ALTER TABLE blocks MODIFY `reward` BIGINT UNSIGNED NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE blocks MODIFY `median_fee` INT UNSIGNED NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE blocks MODIFY `fees` INT UNSIGNED NOT NULL DEFAULT "0"');
+
+        // Version 12
+        await this.$executeQuery('ALTER TABLE blocks MODIFY `fees` BIGINT UNSIGNED NOT NULL DEFAULT "0"');
+
+        // Version 13
+        await this.$executeQuery('ALTER TABLE blocks MODIFY `difficulty` DOUBLE UNSIGNED NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE blocks MODIFY `median_fee` BIGINT UNSIGNED NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE blocks MODIFY `avg_fee` BIGINT UNSIGNED NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE blocks MODIFY `avg_fee_rate` BIGINT UNSIGNED NOT NULL DEFAULT "0"');
+
+        // Version 14
+        await this.$executeQuery('ALTER TABLE `hashrates` DROP FOREIGN KEY `hashrates_ibfk_1`');
+        await this.$executeQuery('ALTER TABLE `hashrates` MODIFY `pool_id` SMALLINT UNSIGNED NOT NULL DEFAULT "0"');
+
+        // Version 17
+        await this.$executeQuery('ALTER TABLE `pools` ADD `slug` CHAR(50) NULL');
+
+        // Version 18
+        await this.$executeQuery('ALTER TABLE `blocks` ADD INDEX `hash` (`hash`);');
+
+        // Version 20
+        await this.$executeQuery(this.getCreateBlocksSummariesTableQuery(), await this.$checkIfTableExists('blocks_summaries'));
+
+        // Version 22
+        await this.$executeQuery('DROP TABLE IF EXISTS `difficulty_adjustments`');
+        await this.$executeQuery(this.getCreateDifficultyAdjustmentsTableQuery(), await this.$checkIfTableExists('difficulty_adjustments'));
+
+        // Version 24
+        await this.$executeQuery('DROP TABLE IF EXISTS `blocks_audits`');
+        await this.$executeQuery(this.getCreateBlocksAuditsTableQuery(), await this.$checkIfTableExists('blocks_audits'));
+
+        // Version 25
+        await this.$executeQuery(this.getCreateLightningStatisticsQuery(), await this.$checkIfTableExists('lightning_stats'));
+        await this.$executeQuery(this.getCreateNodesQuery(), await this.$checkIfTableExists('nodes'));
+        await this.$executeQuery(this.getCreateChannelsQuery(), await this.$checkIfTableExists('channels'));
+        await this.$executeQuery(this.getCreateNodesStatsQuery(), await this.$checkIfTableExists('node_stats'));
+
+        // Version 26
+        await this.$executeQuery('ALTER TABLE `lightning_stats` ADD tor_nodes int(11) NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE `lightning_stats` ADD clearnet_nodes int(11) NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE `lightning_stats` ADD unannounced_nodes int(11) NOT NULL DEFAULT "0"');
+
+        // Version 27
+        await this.$executeQuery('ALTER TABLE `lightning_stats` ADD avg_capacity bigint(20) unsigned NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE `lightning_stats` ADD avg_fee_rate int(11) unsigned NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE `lightning_stats` ADD avg_base_fee_mtokens bigint(20) unsigned NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE `lightning_stats` ADD med_capacity bigint(20) unsigned NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE `lightning_stats` ADD med_fee_rate int(11) unsigned NOT NULL DEFAULT "0"');
+        await this.$executeQuery('ALTER TABLE `lightning_stats` ADD med_base_fee_mtokens bigint(20) unsigned NOT NULL DEFAULT "0"');
+
+        // Version 28
+        await this.$executeQuery(`ALTER TABLE lightning_stats MODIFY added DATE`);
+
+        // Version 29
+        await this.$executeQuery(this.getCreateGeoNamesTableQuery(), await this.$checkIfTableExists('geo_names'));
+        await this.$executeQuery('ALTER TABLE `nodes` ADD as_number int(11) unsigned NULL DEFAULT NULL');
+        await this.$executeQuery('ALTER TABLE `nodes` ADD city_id int(11) unsigned NULL DEFAULT NULL');
+        await this.$executeQuery('ALTER TABLE `nodes` ADD country_id int(11) unsigned NULL DEFAULT NULL');
+        await this.$executeQuery('ALTER TABLE `nodes` ADD accuracy_radius int(11) unsigned NULL DEFAULT NULL');
+        await this.$executeQuery('ALTER TABLE `nodes` ADD subdivision_id int(11) unsigned NULL DEFAULT NULL');
+        await this.$executeQuery('ALTER TABLE `nodes` ADD longitude double NULL DEFAULT NULL');
+        await this.$executeQuery('ALTER TABLE `nodes` ADD latitude double NULL DEFAULT NULL');
+
+        // Version 30
+        await this.$executeQuery('ALTER TABLE `geo_names` CHANGE `type` `type` enum("city","country","division","continent","as_organization") NOT NULL');
+
+        // Version 31
+        await this.$executeQuery('ALTER TABLE `prices` ADD `id` int NULL AUTO_INCREMENT UNIQUE');
+        await this.$executeQuery('DROP TABLE IF EXISTS `blocks_prices`');
+        await this.$executeQuery(this.getCreateBlocksPricesTableQuery(), await this.$checkIfTableExists('blocks_prices'));
+
+        // Version 32
+        await this.$executeQuery('ALTER TABLE `blocks_summaries` ADD `template` JSON DEFAULT "[]"');
+
+        // Version 33
+        await this.$executeQuery('ALTER TABLE `geo_names` CHANGE `type` `type` enum("city","country","division","continent","as_organization", "country_iso_code") NOT NULL');
+
+        // Version 34
+        await this.$executeQuery('ALTER TABLE `lightning_stats` ADD clearnet_tor_nodes int(11) NOT NULL DEFAULT "0"');
+    
+        // Version 35
+        await this.$executeQuery('DELETE from `lightning_stats` WHERE added > "2021-09-19"');
+        await this.$executeQuery('ALTER TABLE `lightning_stats` ADD CONSTRAINT added_unique UNIQUE (added);');
+
+        // Version 36
+        await this.$executeQuery('ALTER TABLE `nodes` ADD status TINYINT NOT NULL DEFAULT "1"');
+    
+        // Version 37
+        await this.$executeQuery(this.getCreateLNNodesSocketsTableQuery(), await this.$checkIfTableExists('nodes_sockets'));
+        
+        // Version 38
+        await this.$executeQuery(`TRUNCATE lightning_stats`);
+        await this.$executeQuery(`TRUNCATE node_stats`);
+        await this.$executeQuery('ALTER TABLE `lightning_stats` CHANGE `added` `added` timestamp NULL');
+        await this.$executeQuery('ALTER TABLE `node_stats` CHANGE `added` `added` timestamp NULL');
+        await this.updateToSchemaVersion(38);
+      
+        // Version 39
+        await this.$executeQuery('ALTER TABLE `nodes` ADD alias_search TEXT NULL DEFAULT NULL AFTER `alias`');
+        await this.$executeQuery('ALTER TABLE nodes ADD FULLTEXT(alias_search)');
+
+        // Version 40
+        await this.$executeQuery('ALTER TABLE `nodes` ADD capacity bigint(20) unsigned DEFAULT NULL');
+        await this.$executeQuery('ALTER TABLE `nodes` ADD channels int(11) unsigned DEFAULT NULL');
+        await this.$executeQuery('ALTER TABLE `nodes` ADD INDEX `capacity` (`capacity`);');
+
+        // Version 41
+        await this.$executeQuery('UPDATE channels SET closing_reason = NULL WHERE closing_reason = 1');
+
+        // Version 42
+        await this.$executeQuery('ALTER TABLE `channels` ADD closing_resolved tinyint(1) DEFAULT 0');
+      
+        // Version 43
+        await this.$executeQuery(this.getCreateLNNodeRecordsTableQuery(), await this.$checkIfTableExists('nodes_records'));
+
+        // Version 44
+        await this.$executeQuery('UPDATE blocks_summaries SET template = NULL');
+
+        // Version 45
+        await this.$executeQuery('ALTER TABLE `blocks_audits` ADD fresh_txs JSON DEFAULT "[]"');
+    
+        // Version 48
+        await this.$executeQuery('ALTER TABLE `channels` ADD source_checked tinyint(1) DEFAULT 0');
+        await this.$executeQuery('ALTER TABLE `channels` ADD closing_fee bigint(20) unsigned DEFAULT 0');
+        await this.$executeQuery('ALTER TABLE `channels` ADD node1_funding_balance bigint(20) unsigned DEFAULT 0');
+        await this.$executeQuery('ALTER TABLE `channels` ADD node2_funding_balance bigint(20) unsigned DEFAULT 0');
+        await this.$executeQuery('ALTER TABLE `channels` ADD node1_closing_balance bigint(20) unsigned DEFAULT 0');
+        await this.$executeQuery('ALTER TABLE `channels` ADD node2_closing_balance bigint(20) unsigned DEFAULT 0');
+        await this.$executeQuery('ALTER TABLE `channels` ADD funding_ratio float unsigned DEFAULT NULL');
+        await this.$executeQuery('ALTER TABLE `channels` ADD closed_by varchar(66) DEFAULT NULL');
+        await this.$executeQuery('ALTER TABLE `channels` ADD single_funded tinyint(1) DEFAULT 0');
+        await this.$executeQuery('ALTER TABLE `channels` ADD outputs JSON DEFAULT "[]"');
+
+        // Version 57
+        await this.$executeQuery(`ALTER TABLE nodes MODIFY updated_at datetime NULL`);
+
+        // Version 60
+        await this.$executeQuery('ALTER TABLE `blocks_audits` ADD sigop_txs JSON DEFAULT "[]"');
+
+        // Version 61
+        if (! await this.$checkIfTableExists('blocks_templates')) {
+          await this.$executeQuery('CREATE TABLE blocks_templates AS SELECT id, template FROM blocks_summaries WHERE template != "[]"');
+        }
+        await this.$executeQuery('ALTER TABLE blocks_templates MODIFY template JSON DEFAULT "[]"');
+        await this.$executeQuery('ALTER TABLE blocks_templates ADD PRIMARY KEY (id)');
+        await this.$executeQuery('ALTER TABLE blocks_summaries DROP COLUMN template');
+
+        // Version 62
+        await this.$executeQuery('ALTER TABLE `blocks_audits` ADD expected_fees BIGINT UNSIGNED DEFAULT NULL');
+        await this.$executeQuery('ALTER TABLE `blocks_audits` ADD expected_weight BIGINT UNSIGNED DEFAULT NULL');
+      
+        // Version 63
+        await this.$executeQuery('ALTER TABLE `blocks_audits` ADD fullrbf_txs JSON DEFAULT "[]"');
+    
+        // Version 64
+        await this.$executeQuery('ALTER TABLE `nodes` ADD features text NULL');
+    
+        // Version 65
+        await this.$executeQuery('ALTER TABLE `blocks_audits` ADD accelerated_txs JSON DEFAULT "[]"');
+
+        // Version 67
+        await this.$executeQuery('ALTER TABLE `blocks_summaries` ADD version INT NOT NULL DEFAULT 0');
+        await this.$executeQuery('ALTER TABLE `blocks_summaries` ADD INDEX `version` (`version`)');
+        await this.$executeQuery('ALTER TABLE `blocks_templates` ADD version INT NOT NULL DEFAULT 0');
+        await this.$executeQuery('ALTER TABLE `blocks_templates` ADD INDEX `version` (`version`)');
+
+        // Version 76
+        await this.$executeQuery('ALTER TABLE `blocks_audits` ADD prioritized_txs JSON DEFAULT "[]"');
+
+        // Version 81
+        await this.$executeQuery('ALTER TABLE `blocks_audits` ADD version INT NOT NULL DEFAULT 0');
+        await this.$executeQuery('ALTER TABLE `blocks_audits` ADD INDEX `version` (`version`)');
+        await this.$executeQuery('ALTER TABLE `blocks_audits` ADD unseen_txs JSON DEFAULT "[]"');
+
+        // Version 83
+        await this.$executeQuery('ALTER TABLE `blocks` ADD first_seen datetime(6) DEFAULT NULL');
+
+        // Version 84
+        await this.$executeQuery(`
+          ALTER TABLE \`pools\`
+            ADD INDEX \`slug\` (\`slug\`),
+            ADD INDEX \`unique_id\` (\`unique_id\`)
+        `);
+
+        // Version 85
+        await this.$executeQuery(`
+          ALTER TABLE \`channels\`
+            ADD INDEX \`created\` (\`created\`),
+            ADD INDEX \`capacity\` (\`capacity\`),
+            ADD INDEX \`closing_reason\` (\`closing_reason\`),
+            ADD INDEX \`closing_resolved\` (\`closing_resolved\`)
+        `);
+        
+        // Version 86        
+        await this.$executeQuery(`
+          ALTER TABLE \`nodes\`
+            ADD INDEX \`status\` (\`status\`),
+            ADD INDEX \`channels\` (\`channels\`),
+            ADD INDEX \`country_id\` (\`country_id\`),
+            ADD INDEX \`as_number\` (\`as_number\`),
+            ADD INDEX \`first_seen\` (\`first_seen\`)
+        `);
+
+        // Version 87
+        await this.$executeQuery('ALTER TABLE `nodes_sockets` ADD INDEX `type` (`type`)');
+        await this.updateToSchemaVersion(87);
+        
+        // Version 88
+        await this.$executeQuery('ALTER TABLE `lightning_stats` ADD INDEX `added` (`added`)');
+    
+        // Version 89
+        await this.$executeQuery('ALTER TABLE `geo_names` ADD INDEX `names` (`names`)');
+    
+        // Version 90
+        await this.$executeQuery('ALTER TABLE `hashrates` ADD INDEX `type` (`type`)');
+
+        // Version 91
+        await this.$executeQuery('ALTER TABLE `blocks_audits` ADD INDEX `time` (`time`)');
+      }
+      
+      if (config.MEMPOOL.NETWORK !== 'liquid') {
+        // Apply all the liquid specific migrations to all other networks
+        // Version 68
+        await this.$executeQuery('ALTER TABLE elements_pegs ADD PRIMARY KEY (txid, txindex);');
+        await this.$executeQuery(this.getCreateFederationAddressesTableQuery(), await this.$checkIfTableExists('federation_addresses'));
+        await this.$executeQuery(this.getCreateFederationTxosTableQuery(), await this.$checkIfTableExists('federation_txos'));
+
+        // Version 71
+        await this.$executeQuery('ALTER TABLE `federation_txos` ADD timelock INT NOT NULL DEFAULT 0');
+        await this.$executeQuery('ALTER TABLE `federation_txos` ADD expiredAt INT NOT NULL DEFAULT 0');
+        await this.$executeQuery('ALTER TABLE `federation_txos` ADD emergencyKey TINYINT NOT NULL DEFAULT 0');
+
+        // Version 92
+        await this.$executeQuery(`
+          ALTER TABLE \`elements_pegs\`
+            ADD INDEX \`block\` (\`block\`),
+            ADD INDEX \`datetime\` (\`datetime\`),
+            ADD INDEX \`amount\` (\`amount\`),
+            ADD INDEX \`bitcoinaddress\` (\`bitcoinaddress\`),
+            ADD INDEX \`bitcointxid\` (\`bitcointxid\`)
+        `);
+    
+        // Version 93
+        await this.$executeQuery(`
+          ALTER TABLE \`federation_txos\`
+            ADD INDEX \`unspent\` (\`unspent\`),
+            ADD INDEX \`lastblockupdate\` (\`lastblockupdate\`),
+            ADD INDEX \`blocktime\` (\`blocktime\`),
+            ADD INDEX \`emergencyKey\` (\`emergencyKey\`),
+            ADD INDEX \`expiredAt\` (\`expiredAt\`)
+        `);
+      }
+
+      if (config.MEMPOOL.NETWORK !== 'mainnet') {
+        // Apply all the mainnet specific migrations to all other networks
+        // Version 69
+        await this.$executeQuery(this.getCreateAccelerationsTableQuery(), await this.$checkIfTableExists('accelerations'));
+
+        // Version 70
+        await this.$executeQuery('ALTER TABLE accelerations MODIFY COLUMN added DATETIME;');
+
+        // Version 77
+        await this.$executeQuery('ALTER TABLE `accelerations` ADD requested datetime DEFAULT NULL');
+      }
+      await this.updateToSchemaVersion(94);
+    }
   }
 
   /**

backend/src/api/explorer/channels.routes.ts

@@ -3,6 +3,8 @@ import { Application, Request, Response } from 'express';
 import channelsApi from './channels.api';
 import { handleError } from '../../utils/api';
 
+const TXID_REGEX = /^[a-f0-9]{64}$/i;
+
 class ChannelsRoutes {
   constructor() { }
 
@@ -23,7 +25,7 @@ class ChannelsRoutes {
       const channels = await channelsApi.$searchChannelsById(req.params.search);
       res.json(channels);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to search channels by id');
     }
   }
 
@@ -39,7 +41,7 @@ class ChannelsRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
       res.json(channel);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get channel');
     }
   }
 
@@ -70,7 +72,7 @@ class ChannelsRoutes {
       res.header('X-Total-Count', channelsCount.toString());
       res.json(channels);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get channels for node');
     }
   }
 
@@ -83,7 +85,10 @@ class ChannelsRoutes {
       const txIds: string[] = [];
       for (const _txId in req.query.txId) {
         if (typeof req.query.txId[_txId] === 'string') {
-          txIds.push(req.query.txId[_txId].toString());
+          const txid = req.query.txId[_txId].toString();
+          if (TXID_REGEX.test(txid)) {
+            txIds.push(txid);
+          }
         }
       }
       const channels = await channelsApi.$getChannelsByTransactionId(txIds);
@@ -108,7 +113,7 @@ class ChannelsRoutes {
 
       res.json(result);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get channels by transaction ids');
     }
   }
 
@@ -120,7 +125,7 @@ class ChannelsRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
       res.json(channels);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get penalty closed channels');
     }
   }
 
@@ -133,7 +138,7 @@ class ChannelsRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
       res.json(channels);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get channel geodata');
     }
   }
 

backend/src/api/explorer/general.routes.ts

@@ -29,7 +29,7 @@ class GeneralLightningRoutes {
         channels: channels,
       });
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to search for nodes and channels');
     }
   }
 
@@ -43,7 +43,7 @@ class GeneralLightningRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
       res.json(statistics);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get lightning statistics');
     }
   }
 
@@ -52,7 +52,7 @@ class GeneralLightningRoutes {
       const statistics = await statisticsApi.$getLatestStatistics();
       res.json(statistics);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get lightning statistics');
     }
   }
 }

backend/src/api/explorer/nodes.routes.ts

@@ -32,7 +32,7 @@ class NodesRoutes {
       const nodes = await nodesApi.$searchNodeByPublicKeyOrAlias(req.params.search);
       res.json(nodes);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to search for node');
     }
   }
 
@@ -188,7 +188,7 @@ class NodesRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
       res.json(nodes);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get node group');
     }
   }
 
@@ -204,7 +204,7 @@ class NodesRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
       res.json(node);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get node');
     }
   }
 
@@ -216,7 +216,7 @@ class NodesRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
       res.json(statistics);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get historical node stats');
     }
   }
 
@@ -232,7 +232,7 @@ class NodesRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
       res.json(node);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get fee histogram');
     }
   }
 
@@ -248,7 +248,7 @@ class NodesRoutes {
         topByChannels: topChannelsNodes,
       });
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get nodes ranking');
     }
   }
 
@@ -260,7 +260,7 @@ class NodesRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
       res.json(topCapacityNodes);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get top nodes by capacity');
     }
   }
 
@@ -272,7 +272,7 @@ class NodesRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
       res.json(topCapacityNodes);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get top nodes by channels');
     }
   }
 
@@ -284,7 +284,7 @@ class NodesRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
       res.json(topCapacityNodes);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get oldest nodes');
     }
   }
 
@@ -296,7 +296,7 @@ class NodesRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 600).toUTCString());
       res.json(nodesPerAs);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get ISP ranking');
     }
   }
 
@@ -308,7 +308,7 @@ class NodesRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 600).toUTCString());
       res.json(worldNodes);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get world nodes');
     }
   }
 
@@ -336,7 +336,7 @@ class NodesRoutes {
         nodes: nodes,
       });
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get nodes per country');
     }
   }
 
@@ -363,7 +363,7 @@ class NodesRoutes {
         nodes: nodes,
       });
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get nodes per ISP');
     }
   }
 
@@ -375,7 +375,7 @@ class NodesRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 600).toUTCString());
       res.json(nodesPerAs);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get nodes per country');
     }
   }
 }

backend/src/api/liquid/liquid.routes.ts

@@ -83,7 +83,7 @@ class LiquidRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 60 * 60).toUTCString());
       res.json(pegs);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get pegs by month');
     }
   }
 
@@ -95,7 +95,7 @@ class LiquidRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 60 * 60).toUTCString());
       res.json(reserves);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get reserves by month');
     }
   }
 
@@ -107,7 +107,7 @@ class LiquidRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
       res.json(currentSupply);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get pegs');
     }
   }
 
@@ -119,7 +119,7 @@ class LiquidRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
       res.json(currentReserves);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get reserves');
     }
   }
 
@@ -131,7 +131,7 @@ class LiquidRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
       res.json(auditStatus);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get federation audit status');
     }
   }
 
@@ -143,7 +143,7 @@ class LiquidRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
       res.json(federationAddresses);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get federation addresses');
     }
   }
 
@@ -155,7 +155,7 @@ class LiquidRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
       res.json(federationAddresses);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get federation addresses');
     }
   }
 
@@ -167,7 +167,7 @@ class LiquidRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
       res.json(federationUtxos);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get federation utxos');
     }
   }
 
@@ -179,7 +179,7 @@ class LiquidRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
       res.json(expiredUtxos);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get expired utxos');
     }
   }
 
@@ -191,7 +191,7 @@ class LiquidRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
       res.json(federationUtxos);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get federation utxos number');
     }
   }
 
@@ -203,7 +203,7 @@ class LiquidRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
       res.json(emergencySpentUtxos);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get emergency spent utxos');
     }
   }
 
@@ -215,7 +215,7 @@ class LiquidRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
       res.json(emergencySpentUtxos);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get emergency spent utxos stats');
     }
   }
 
@@ -227,7 +227,7 @@ class LiquidRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
       res.json(recentPegs);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get pegs list');
     }
   }
 
@@ -239,7 +239,7 @@ class LiquidRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
       res.json(pegsVolume);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get pegs volume daily');
     }
   }
 
@@ -251,7 +251,7 @@ class LiquidRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
       res.json(pegsCount);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get pegs count');
     }
   }
 

backend/src/api/mempool-blocks.ts

@@ -382,7 +382,7 @@ class MempoolBlocks {
 
     const ancestors: Ancestor[] = [];
     const descendants: Ancestor[] = [];
-    let ancestor: MempoolTransactionExtended
+    let ancestor: MempoolTransactionExtended;
     for (const cluster of clusters) {
       for (const memberTxid of cluster) {
         const mempoolTx = mempool[memberTxid];
@@ -462,7 +462,7 @@ class MempoolBlocks {
 
       for (let i = 0; i < block.length; i++) {
         const txid = block[i];
-        if (txid) {
+        if (txid in mempool) {
           mempoolTx = mempool[txid];
           // save position in projected blocks
           mempoolTx.position = {
@@ -481,6 +481,9 @@ class MempoolBlocks {
               mempoolTx.acceleratedAt = acceleration?.added;
               mempoolTx.feeDelta = acceleration?.feeDelta;
               for (const ancestor of mempoolTx.ancestors || []) {
+                if (!(ancestor.txid in mempool)) {
+                  continue;
+                }
                 if (!mempool[ancestor.txid].acceleration) {
                   mempool[ancestor.txid].cpfpDirty = true;
                 }
@@ -688,7 +691,7 @@ class MempoolBlocks {
       [pool: string]: { name: string, block: number, vsize: number, accelerations: string[], complete: boolean };
     } = {};
     // prepare a list of accelerations in ascending order (we'll pop items off the end of the list)
-    const accQueue: { acceleration: Acceleration, rate: number, vsize: number }[] = Object.values(accelerations).map(acc => {
+    const accQueue: { acceleration: Acceleration, rate: number, vsize: number }[] = Object.values(accelerations).filter(acc => acc.txid in mempoolCache).map(acc => {
       let vsize = mempoolCache[acc.txid].vsize;
       for (const ancestor of mempoolCache[acc.txid].ancestors || []) {
         vsize += (ancestor.weight / 4);

backend/src/api/mempool.ts

@@ -10,6 +10,7 @@ import bitcoinClient from './bitcoin/bitcoin-client';
 import bitcoinSecondClient from './bitcoin/bitcoin-second-client';
 import rbfCache from './rbf-cache';
 import { Acceleration } from './services/acceleration';
+import accelerationApi from './services/acceleration';
 import redisCache from './redis-cache';
 import blocks from './blocks';
 
@@ -207,7 +208,7 @@ class Mempool {
     return txTimes;
   }
 
-  public async $updateMempool(transactions: string[], accelerations: Acceleration[] | null, minFeeMempool: string[], minFeeTip: number, pollRate: number): Promise<void> {
+  public async $updateMempool(transactions: string[], accelerations: Record<string, Acceleration> | null, minFeeMempool: string[], minFeeTip: number, pollRate: number): Promise<void> {
     logger.debug(`Updating mempool...`);
 
     // warn if this run stalls the main loop for more than 2 minutes
@@ -354,7 +355,7 @@ class Mempool {
     const newTransactionsStripped = newTransactions.map((tx) => Common.stripTransaction(tx));
     this.latestTransactions = newTransactionsStripped.concat(this.latestTransactions).slice(0, 6);
 
-    const accelerationDelta = accelerations != null ? await this.$updateAccelerations(accelerations) : [];
+    const accelerationDelta = accelerations != null ? await this.updateAccelerations(accelerations) : [];
     if (accelerationDelta.length) {
       hasChange = true;
     }
@@ -399,58 +400,11 @@ class Mempool {
     return this.accelerations;
   }
 
-  public $updateAccelerations(newAccelerations: Acceleration[]): string[] {
+  public updateAccelerations(newAccelerationMap: Record<string, Acceleration>): string[] {
     try {
-      const changed: string[] = [];
+      const accelerationDelta = accelerationApi.getAccelerationDelta(this.accelerations, newAccelerationMap);
-
-      const newAccelerationMap: { [txid: string]: Acceleration } = {};
-      for (const acceleration of newAccelerations) {
-        // skip transactions we don't know about
-        if (!this.mempoolCache[acceleration.txid]) {
-          continue;
-        }
-        newAccelerationMap[acceleration.txid] = acceleration;
-        if (this.accelerations[acceleration.txid] == null) {
-          // new acceleration
-          changed.push(acceleration.txid);
-        } else {
-          if (this.accelerations[acceleration.txid].feeDelta !== acceleration.feeDelta) {
-            // feeDelta changed
-            changed.push(acceleration.txid);
-          } else if (this.accelerations[acceleration.txid].pools?.length) {
-            let poolsChanged = false;
-            const pools = new Set();
-            this.accelerations[acceleration.txid].pools.forEach(pool => {
-              pools.add(pool);
-            });
-            acceleration.pools.forEach(pool => {
-              if (!pools.has(pool)) {
-                poolsChanged = true;
-              } else {
-                pools.delete(pool);
-              }
-            });
-            if (pools.size > 0) {
-              poolsChanged = true;
-            }
-            if (poolsChanged) {
-              // pools changed
-              changed.push(acceleration.txid);
-            }
-          }
-        }
-      }
-
-      for (const oldTxid of Object.keys(this.accelerations)) {
-        if (!newAccelerationMap[oldTxid]) {
-          // removed
-          changed.push(oldTxid);
-        }
-      }
-
       this.accelerations = newAccelerationMap;
-
+      return accelerationDelta;
-      return changed;
     } catch (e: any) {
       logger.debug(`Failed to update accelerations: ` + (e instanceof Error ? e.message : e));
       return [];

backend/src/api/mining/mining-routes.ts

@@ -72,7 +72,7 @@ class MiningRoutes {
       }
       res.status(200).send(response);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get historical prices');
     }
   }
 
@@ -87,7 +87,7 @@ class MiningRoutes {
       if (e instanceof Error && e.message.indexOf('This mining pool does not exist') > -1) {
         handleError(req, res, 404, e.message);
       } else {
-        handleError(req, res, 500, e instanceof Error ? e.message : e);
+        handleError(req, res, 500, 'Failed to get pool');
       }
     }
   }
@@ -106,7 +106,7 @@ class MiningRoutes {
       if (e instanceof Error && e.message.indexOf('This mining pool does not exist') > -1) {
         handleError(req, res, 404, e.message);
       } else {
-        handleError(req, res, 500, e instanceof Error ? e.message : e);
+        handleError(req, res, 500, 'Failed to get blocks for pool');
       }
     }
   }
@@ -130,7 +130,7 @@ class MiningRoutes {
         res.json(pools);
       }
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get pools');
     }
   }
 
@@ -144,7 +144,7 @@ class MiningRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
       res.json(stats);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get pools');
     }
   }
 
@@ -158,7 +158,7 @@ class MiningRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 300).toUTCString());
       res.json(hashrates);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get pools historical hashrate');
     }
   }
 
@@ -175,7 +175,7 @@ class MiningRoutes {
       if (e instanceof Error && e.message.indexOf('This mining pool does not exist') > -1) {
         handleError(req, res, 404, e.message);
       } else {
-        handleError(req, res, 500, e instanceof Error ? e.message : e);
+        handleError(req, res, 500, 'Failed to get pool historical hashrate');
       }
     }
   }
@@ -183,7 +183,7 @@ class MiningRoutes {
   private async $getHistoricalHashrate(req: Request, res: Response) {
     let currentHashrate = 0, currentDifficulty = 0;
     try {
-      currentHashrate = await bitcoinClient.getNetworkHashPs();
+      currentHashrate = await bitcoinClient.getNetworkHashPs(1008);
       currentDifficulty = await bitcoinClient.getDifficulty();
     } catch (e) {
       logger.debug('Bitcoin Core is not available, using zeroed value for current hashrate and difficulty');
@@ -204,7 +204,7 @@ class MiningRoutes {
         currentDifficulty: currentDifficulty,
       });
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get historical hashrate');
     }
   }
 
@@ -218,7 +218,7 @@ class MiningRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
       res.json(blockFees);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get historical block fees');
     }
   }
 
@@ -236,7 +236,7 @@ class MiningRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
       res.json(blockFees);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get historical block fees');
     }
   }
 
@@ -250,7 +250,7 @@ class MiningRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
       res.json(blockRewards);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get historical block rewards');
     }
   }
 
@@ -264,7 +264,7 @@ class MiningRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
       res.json(blockFeeRates);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get historical block fee rates');
     }
   }
 
@@ -282,7 +282,7 @@ class MiningRoutes {
         weights: blockWeights
       });
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get historical block size and weight');
     }
   }
 
@@ -294,7 +294,7 @@ class MiningRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 300).toUTCString());
       res.json(difficulty.map(adj => [adj.time, adj.height, adj.difficulty, adj.adjustment]));
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get historical difficulty adjustments');
     }
   }
 
@@ -304,7 +304,7 @@ class MiningRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
       res.json(response);
     } catch (e) {
-      res.status(500).end();
+      handleError(req, res, 500, 'Failed to get reward stats');
     }
   }
 
@@ -318,7 +318,7 @@ class MiningRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
       res.json(blocksHealth.map(health => [health.time, health.height, health.match_rate]));
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get historical blocks health');
     }
   }
 
@@ -336,7 +336,7 @@ class MiningRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 3600 * 24).toUTCString());
       res.json(audit);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get block audit');
     }
   }
 
@@ -359,7 +359,7 @@ class MiningRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 300).toUTCString());
       res.json(result);
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get height from timestamp');
     }
   }
 
@@ -372,7 +372,7 @@ class MiningRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
       res.json(await BlocksAuditsRepository.$getBlockAuditScores(height, height - 15));
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get block audit scores');
     }
   }
 
@@ -385,7 +385,7 @@ class MiningRoutes {
       res.setHeader('Expires', new Date(Date.now() + 1000 * 3600 * 24).toUTCString());
       res.json(audit || 'null');
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get block audit score');
     }
   }
 
@@ -400,7 +400,7 @@ class MiningRoutes {
       }
       res.status(200).send(await AccelerationRepository.$getAccelerationInfo(req.params.slug));
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get accelerations by pool');
     }
   }
 
@@ -416,7 +416,7 @@ class MiningRoutes {
       const height = req.params.height === undefined ? undefined : parseInt(req.params.height, 10);
       res.status(200).send(await AccelerationRepository.$getAccelerationInfo(null, height));
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get accelerations by height');
     }
   }
 
@@ -431,7 +431,7 @@ class MiningRoutes {
       }
       res.status(200).send(await AccelerationRepository.$getAccelerationInfo(null, null, req.params.interval));
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get recent accelerations');
     }
   }
 
@@ -446,7 +446,7 @@ class MiningRoutes {
       }
       res.status(200).send(await AccelerationRepository.$getAccelerationTotals(<string>req.query.pool, <string>req.query.interval));
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get acceleration totals');
     }
   }
 
@@ -459,9 +459,9 @@ class MiningRoutes {
         handleError(req, res, 400, 'Acceleration data is not available.');
         return;
       }
-      res.status(200).send(accelerationApi.accelerations || []);
+      res.status(200).send(Object.values(accelerationApi.getAccelerations() || {}));
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get active accelerations');
     }
   }
 
@@ -473,7 +473,7 @@ class MiningRoutes {
       accelerationApi.accelerationRequested(req.params.txid);
       res.status(200).send();
     } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to request acceleration');
     }
   }
 }

backend/src/api/mining/mining.ts

@@ -136,9 +136,13 @@ class Mining {
     poolsStatistics['blockCount'] = blockCount;
 
     const totalBlock24h: number = await BlocksRepository.$blockCount(null, '24h');
+    const totalBlock3d: number = await BlocksRepository.$blockCount(null, '3d');
+    const totalBlock1w: number = await BlocksRepository.$blockCount(null, '1w');
 
     try {
       poolsStatistics['lastEstimatedHashrate'] = await bitcoinClient.getNetworkHashPs(totalBlock24h);
+      poolsStatistics['lastEstimatedHashrate3d'] = await bitcoinClient.getNetworkHashPs(totalBlock3d);
+      poolsStatistics['lastEstimatedHashrate1w'] = await bitcoinClient.getNetworkHashPs(totalBlock1w);
     } catch (e) {
       poolsStatistics['lastEstimatedHashrate'] = 0;
       logger.debug('Bitcoin Core is not available, using zeroed value for current hashrate', logger.tags.mining);

backend/src/api/prices/prices.routes.ts

@@ -1,10 +1,15 @@
 import { Application, Request, Response } from 'express';
 import config from '../../config';
 import pricesUpdater from '../../tasks/price-updater';
+import logger from '../../logger';
+import PricesRepository from '../../repositories/PricesRepository';
 
 class PricesRoutes {
   public initRoutes(app: Application): void {
-    app.get(config.MEMPOOL.API_URL_PREFIX + 'prices', this.$getCurrentPrices.bind(this));
+    app
+      .get(config.MEMPOOL.API_URL_PREFIX + 'prices', this.$getCurrentPrices.bind(this))
+      .get(config.MEMPOOL.API_URL_PREFIX + 'internal/usd-price-history', this.$getAllPrices.bind(this))
+    ;
   }
 
   private $getCurrentPrices(req: Request, res: Response): void {
@@ -14,6 +19,23 @@ class PricesRoutes {
 
     res.json(pricesUpdater.getLatestPrices());
   }
+
+  private async $getAllPrices(req: Request, res: Response): Promise<void> {
+    res.header('Pragma', 'public');
+    res.header('Cache-control', 'public');
+    res.setHeader('Expires', new Date(Date.now() + 360_0000 / config.MEMPOOL.PRICE_UPDATES_PER_HOUR).toUTCString());
+
+    try {
+      const usdPriceHistory = await PricesRepository.$getPricesTimesAndId();
+      const responseData = usdPriceHistory.map(p => {
+        return { time: p.time, USD: p.USD };
+      });
+      res.status(200).json(responseData);
+    } catch (e: any) {
+      logger.err(`Exception ${e} in PricesRoutes::$getAllPrices. Code: ${e.code}. Message: ${e.message}`);
+      res.status(403).send();
+    }
+  }
 }
 
 export default new PricesRoutes();

backend/src/api/services/acceleration.ts

@@ -1,7 +1,10 @@
+import { WebSocket } from 'ws';
 import config from '../../config';
 import logger from '../../logger';
 import { BlockExtended } from '../../mempool.interfaces';
 import axios from 'axios';
+import mempool from '../mempool';
+import websocketHandler from '../websocket-handler';
 
 type MyAccelerationStatus = 'requested' | 'accelerating' | 'done';
 
@@ -37,14 +40,23 @@ export interface AccelerationHistory {
 };
 
 class AccelerationApi {
+  private ws: WebSocket | null = null;
+  private useWebsocket: boolean = config.MEMPOOL.OFFICIAL && config.MEMPOOL_SERVICES.ACCELERATIONS;
+  private startedWebsocketLoop: boolean = false;
+  private websocketConnected: boolean = false;
   private onDemandPollingEnabled = !config.MEMPOOL_SERVICES.ACCELERATIONS;
   private apiPath = config.MEMPOOL.OFFICIAL ? (config.MEMPOOL_SERVICES.API + '/accelerator/accelerations') : (config.EXTERNAL_DATA_SERVER.MEMPOOL_API + '/accelerations');
-  private _accelerations: Acceleration[] | null = null;
+  private websocketPath = config.MEMPOOL_SERVICES?.API ? `${config.MEMPOOL_SERVICES.API.replace('https://', 'wss://').replace('http://', 'ws://')}/accelerator/ws` : '/';
+  private _accelerations: Record<string, Acceleration> = {};
   private lastPoll = 0;
+  private lastPing = Date.now();
+  private lastPong = Date.now();
   private forcePoll = false;
   private myAccelerations: Record<string, { status: MyAccelerationStatus, added: number, acceleration?: Acceleration }> = {};
 
-  public get accelerations(): Acceleration[] | null {
+  public constructor() {}
+
+  public getAccelerations(): Record<string, Acceleration> {
     return this._accelerations;
   }
 
@@ -72,11 +84,18 @@ class AccelerationApi {
     }
   }
 
-  public async $updateAccelerations(): Promise<Acceleration[] | null> {
+  public async $updateAccelerations(): Promise<Record<string, Acceleration> | null> {
+    if (this.useWebsocket && this.websocketConnected) {
+      return this._accelerations;
+    }
     if (!this.onDemandPollingEnabled) {
       const accelerations = await this.$fetchAccelerations();
       if (accelerations) {
-        this._accelerations = accelerations;
+        const latestAccelerations = {};
+        for (const acc of accelerations) {
+          latestAccelerations[acc.txid] = acc;
+        }
+        this._accelerations = latestAccelerations;
         return this._accelerations;
       }
     } else {
@@ -85,7 +104,7 @@ class AccelerationApi {
     return null;
   }
 
-  private async $updateAccelerationsOnDemand(): Promise<Acceleration[] | null> {
+  private async $updateAccelerationsOnDemand(): Promise<Record<string, Acceleration> | null> {
     const shouldUpdate = this.forcePoll
       || this.countMyAccelerationsWithStatus('requested') > 0
       || (this.countMyAccelerationsWithStatus('accelerating') > 0 && this.lastPoll < (Date.now() - (10 * 60 * 1000)));
@@ -120,7 +139,11 @@ class AccelerationApi {
       }
     }
 
-    this._accelerations = Object.values(this.myAccelerations).map(({ acceleration }) => acceleration).filter(acc => acc) as Acceleration[];
+    const latestAccelerations = {};
+    for (const acc of Object.values(this.myAccelerations).map(({ acceleration }) => acceleration).filter(acc => acc) as Acceleration[]) {
+      latestAccelerations[acc.txid] = acc;
+    }
+    this._accelerations = latestAccelerations;
     return this._accelerations;
   }
 
@@ -152,6 +175,148 @@ class AccelerationApi {
     }
     return anyAccelerated;
   }
+
+  // get a list of accelerations that have changed between two sets of accelerations
+  public getAccelerationDelta(oldAccelerationMap: Record<string, Acceleration>, newAccelerationMap: Record<string, Acceleration>): string[] {
+    const changed: string[] = [];
+    const mempoolCache = mempool.getMempool();
+
+    for (const acceleration of Object.values(newAccelerationMap)) {
+      // skip transactions we don't know about
+      if (!mempoolCache[acceleration.txid]) {
+        continue;
+      }
+      if (oldAccelerationMap[acceleration.txid] == null) {
+        // new acceleration
+        changed.push(acceleration.txid);
+      } else {
+        if (oldAccelerationMap[acceleration.txid].feeDelta !== acceleration.feeDelta) {
+          // feeDelta changed
+          changed.push(acceleration.txid);
+        } else if (oldAccelerationMap[acceleration.txid].pools?.length) {
+          let poolsChanged = false;
+          const pools = new Set();
+            oldAccelerationMap[acceleration.txid].pools.forEach(pool => {
+            pools.add(pool);
+          });
+          acceleration.pools.forEach(pool => {
+            if (!pools.has(pool)) {
+              poolsChanged = true;
+            } else {
+              pools.delete(pool);
+            }
+          });
+          if (pools.size > 0) {
+            poolsChanged = true;
+          }
+          if (poolsChanged) {
+            // pools changed
+            changed.push(acceleration.txid);
+          }
+        }
+      }
+    }
+
+    for (const oldTxid of Object.keys(oldAccelerationMap)) {
+      if (!newAccelerationMap[oldTxid]) {
+        // removed
+        changed.push(oldTxid);
+      }
+    }
+
+    return changed;
+  }
+
+  private handleWebsocketMessage(msg: any): void {
+    if (msg?.accelerations !== null) {
+      const latestAccelerations = {};
+      for (const acc of msg?.accelerations || []) {
+        latestAccelerations[acc.txid] = acc;
+      }
+      this._accelerations = latestAccelerations;
+      websocketHandler.handleAccelerationsChanged(this._accelerations);
+    }
+  }
+
+  public async connectWebsocket(): Promise<void> {
+    if (this.startedWebsocketLoop) {
+      return;
+    }
+    while (this.useWebsocket) {
+      this.startedWebsocketLoop = true;
+      if (!this.ws) {
+        this.ws = new WebSocket(this.websocketPath);
+        this.lastPing = 0;
+
+        this.ws.on('open', () => {
+          logger.info(`Acceleration websocket opened to ${this.websocketPath}`);
+          this.websocketConnected = true;
+          this.ws?.send(JSON.stringify({
+            'watch-accelerations': true
+          }));
+        });
+
+        this.ws.on('error', (error) => {
+          let errMsg = `Acceleration websocket error on ${this.websocketPath}: ${error['code']}`;
+          if (error['errors']) {
+            errMsg += ' - ' + error['errors'].join(' - ');
+          }
+          logger.err(errMsg);
+          this.ws = null;
+          this.websocketConnected = false;
+        });
+
+        this.ws.on('close', () => {
+          logger.info('Acceleration websocket closed');
+          this.ws = null;
+          this.websocketConnected = false;
+        });
+
+        this.ws.on('message', (data, isBinary) => {
+          try {
+            const msg = (isBinary ? data : data.toString()) as string;
+            const parsedMsg = msg?.length ? JSON.parse(msg) : null;
+            this.handleWebsocketMessage(parsedMsg);
+          } catch (e) {
+            logger.warn('Failed to parse acceleration websocket message: ' + (e instanceof Error ? e.message : e));
+          }
+        });
+
+        this.ws.on('ping', () => {
+          logger.debug('received ping from acceleration websocket server');
+        });
+
+        this.ws.on('pong', () => {
+          logger.debug('received pong from acceleration websocket server');
+          this.lastPong = Date.now();
+        });
+      } else if (this.websocketConnected) {
+        if (this.lastPing && this.lastPing > this.lastPong && (Date.now() - this.lastPing > 10000)) {
+          logger.warn('No pong received within 10 seconds, terminating connection');
+          try {
+            this.ws?.terminate();
+          } catch (e) {
+            logger.warn('failed to terminate acceleration websocket connection: ' + (e instanceof Error ? e.message : e));
+          } finally {
+            this.ws = null;
+            this.websocketConnected = false;
+            this.lastPing = 0;
+          }
+        } else if (!this.lastPing || (Date.now() - this.lastPing > 30000)) {
+          logger.debug('sending ping to acceleration websocket server');
+          if (this.ws?.readyState === WebSocket.OPEN) {
+            try {
+              this.ws?.ping();
+              this.lastPing = Date.now();
+            } catch (e) {
+              logger.warn('failed to send ping to acceleration websocket server: ' + (e instanceof Error ? e.message : e));
+            }
+          }
+        }
+      }
+      await new Promise(resolve => setTimeout(resolve, 5000));
+    }
+  }
 }
 
 export default new AccelerationApi();

backend/src/api/services/services-routes.ts

@@ -0,0 +1,27 @@
+import { Application, Request, Response } from 'express';
+import config from '../../config';
+import WalletApi from './wallets';
+import { handleError } from '../../utils/api';
+
+class ServicesRoutes {
+  public initRoutes(app: Application): void {
+    app
+      .get(config.MEMPOOL.API_URL_PREFIX + 'wallet/:walletId', this.$getWallet)
+    ;
+  }
+
+  private async $getWallet(req: Request, res: Response): Promise<void> {
+    try {
+      res.header('Pragma', 'public');
+      res.header('Cache-control', 'public');
+      res.setHeader('Expires', new Date(Date.now() + 1000 * 5).toUTCString());
+      const walletId = req.params.walletId;
+      const wallet = await WalletApi.getWallet(walletId);
+      res.status(200).send(wallet);
+    } catch (e) {
+      handleError(req, res, 500, 'Failed to get wallet');
+    }
+  }
+}
+
+export default new ServicesRoutes();

backend/src/api/services/wallets.ts

@@ -0,0 +1,153 @@
+import config from '../../config';
+import logger from '../../logger';
+import { IEsploraApi } from '../bitcoin/esplora-api.interface';
+import bitcoinApi from '../bitcoin/bitcoin-api-factory';
+import axios from 'axios';
+import { TransactionExtended } from '../../mempool.interfaces';
+
+interface WalletAddress {
+  address: string;
+  active: boolean;
+  stats: {
+    funded_txo_count: number;
+    funded_txo_sum: number;
+    spent_txo_count: number;
+    spent_txo_sum: number;
+    tx_count: number;
+  };
+  transactions: IEsploraApi.AddressTxSummary[];
+  lastSync: number;
+}
+
+interface Wallet {
+  name: string;
+  addresses: Record<string, WalletAddress>;
+  lastPoll: number;
+}
+
+const POLL_FREQUENCY = 5 * 60 * 1000; // 5 minutes
+
+class WalletApi {
+  private wallets: Record<string, Wallet> = {};
+  private syncing = false;
+
+  constructor() {
+    this.wallets = config.WALLETS.ENABLED ? (config.WALLETS.WALLETS as string[]).reduce((acc, wallet) => {
+      acc[wallet] = { name: wallet, addresses: {}, lastPoll: 0 };
+      return acc;
+    }, {} as Record<string, Wallet>) : {};
+  }
+
+  public getWallet(wallet: string): Record<string, WalletAddress> {
+    return this.wallets?.[wallet]?.addresses || {};
+  }
+
+  // resync wallet addresses from the services backend
+  async $syncWallets(): Promise<void> {
+    if (!config.WALLETS.ENABLED || this.syncing) {
+      return;
+    }
+    this.syncing = true;
+    for (const walletKey of Object.keys(this.wallets)) {
+      const wallet = this.wallets[walletKey];
+      if (wallet.lastPoll < (Date.now() - POLL_FREQUENCY)) {
+        try {
+          const response = await axios.get(config.MEMPOOL_SERVICES.API + `/wallets/${wallet.name}`);
+          const addresses: Record<string, WalletAddress> = response.data;
+          const addressList: WalletAddress[] = Object.values(addresses);
+          // sync all current addresses
+          for (const address of addressList) {
+            await this.$syncWalletAddress(wallet, address);
+          }
+          // remove old addresses
+          for (const address of Object.keys(wallet.addresses)) {
+            if (!addresses[address]) {
+              delete wallet.addresses[address];
+            }
+          }
+          wallet.lastPoll = Date.now();
+          logger.debug(`Synced ${Object.keys(wallet.addresses).length} addresses for wallet ${wallet.name}`);
+        } catch (e) {
+          logger.err(`Error syncing wallet ${wallet.name}: ${(e instanceof Error ? e.message : e)}`);
+        }
+      }
+    }
+    this.syncing = false;
+  }
+
+  // resync address transactions from esplora
+  async $syncWalletAddress(wallet: Wallet, address: WalletAddress): Promise<void> {
+    // fetch full transaction data if the address is new or still active and hasn't been synced in the last hour
+    const refreshTransactions = !wallet.addresses[address.address] || (address.active && (Date.now() - wallet.addresses[address.address].lastSync) > 60 * 60 * 1000);
+    if (refreshTransactions) {
+      try {
+        const summary = await bitcoinApi.$getAddressTransactionSummary(address.address);
+        const addressInfo = await bitcoinApi.$getAddress(address.address);
+        const walletAddress: WalletAddress = {
+          address: address.address,
+          active: address.active,
+          transactions: summary,
+          stats: addressInfo.chain_stats,
+          lastSync: Date.now(),
+        };
+        wallet.addresses[address.address] = walletAddress;
+      } catch (e) {
+        logger.err(`Error syncing wallet address ${address.address}: ${(e instanceof Error ? e.message : e)}`);
+      }
+    }
+  }
+
+  // check a new block for transactions that affect wallet address balances, and add relevant transactions to wallets
+  processBlock(block: IEsploraApi.Block, blockTxs: TransactionExtended[]): Record<string, IEsploraApi.Transaction[]> {
+    const walletTransactions: Record<string, IEsploraApi.Transaction[]> = {};
+    for (const walletKey of Object.keys(this.wallets)) {
+      const wallet = this.wallets[walletKey];
+      walletTransactions[walletKey] = [];
+      for (const tx of blockTxs) {
+        const funded: Record<string, number> = {};
+        const spent: Record<string, number> = {};
+        const fundedCount: Record<string, number> = {};
+        const spentCount: Record<string, number> = {};
+        let anyMatch = false;
+        for (const vin of tx.vin) {
+          const address = vin.prevout?.scriptpubkey_address;
+          if (address && wallet.addresses[address]) {
+            anyMatch = true;
+            spent[address] = (spent[address] ?? 0) + (vin.prevout?.value ?? 0);
+            spentCount[address] = (spentCount[address] ?? 0) + 1;
+          }
+        }
+        for (const vout of tx.vout) {
+          const address = vout.scriptpubkey_address;
+          if (address && wallet.addresses[address]) {
+            anyMatch = true;
+            funded[address] = (funded[address] ?? 0) + (vout.value ?? 0);
+            fundedCount[address] = (fundedCount[address] ?? 0) + 1;
+          }
+        }
+        for (const address of Object.keys({ ...funded, ...spent })) {
+          // update address stats
+          wallet.addresses[address].stats.tx_count++;
+          wallet.addresses[address].stats.funded_txo_count += fundedCount[address] || 0;
+          wallet.addresses[address].stats.spent_txo_count += spentCount[address] || 0;
+          wallet.addresses[address].stats.funded_txo_sum += funded[address] || 0;
+          wallet.addresses[address].stats.spent_txo_sum += spent[address] || 0;
+          // add tx to summary
+          const txSummary: IEsploraApi.AddressTxSummary = {
+            txid: tx.txid,
+            value: (funded[address] ?? 0) - (spent[address] ?? 0),
+            height: block.height,
+            time: block.timestamp,
+          };
+          wallet.addresses[address].transactions?.push(txSummary);
+        }
+        if (anyMatch) {
+          walletTransactions[walletKey].push(tx);
+        }
+      }
+    }
+    return walletTransactions;
+  }
+}
+
+export default new WalletApi();

backend/src/api/statistics/statistics.routes.ts

@@ -1,7 +1,7 @@
 import { Application, Request, Response } from 'express';
 import config from '../../config';
 import statisticsApi from './statistics-api';
-
+import { handleError } from '../../utils/api';
 class StatisticsRoutes {
   public initRoutes(app: Application) {
     app
@@ -65,7 +65,7 @@ class StatisticsRoutes {
       }
       res.json(result);
     } catch (e) {
-      res.status(500).send(e instanceof Error ? e.message : e);
+      handleError(req, res, 500, 'Failed to get statistics');
     }
   }
 }

backend/src/api/websocket-handler.ts

@@ -16,16 +16,19 @@ import transactionUtils from './transaction-utils';
 import rbfCache, { ReplacementInfo } from './rbf-cache';
 import difficultyAdjustment from './difficulty-adjustment';
 import feeApi from './fee-api';
+import BlocksRepository from '../repositories/BlocksRepository';
 import BlocksAuditsRepository from '../repositories/BlocksAuditsRepository';
 import BlocksSummariesRepository from '../repositories/BlocksSummariesRepository';
 import Audit from './audit';
 import priceUpdater from '../tasks/price-updater';
 import { ApiPrice } from '../repositories/PricesRepository';
+import { Acceleration } from './services/acceleration';
 import accelerationApi from './services/acceleration';
 import mempool from './mempool';
 import statistics from './statistics/statistics';
 import accelerationRepository from '../repositories/AccelerationRepository';
 import bitcoinApi from './bitcoin/bitcoin-api-factory';
+import walletApi from './services/wallets';
 
 interface AddressTransactions {
   mempool: MempoolTransactionExtended[],
@@ -34,6 +37,7 @@ interface AddressTransactions {
 }
 import bitcoinSecondClient from './bitcoin/bitcoin-second-client';
 import { calculateMempoolTxCpfp } from './cpfp';
+import { getRecentFirstSeen } from '../utils/file-read';
 
 // valid 'want' subscriptions
 const wantable = [
@@ -57,6 +61,8 @@ class WebsocketHandler {
   private lastRbfSummary: ReplacementInfo[] | null = null;
   private mempoolSequence: number = 0;
 
+  private accelerations: Record<string, Acceleration> = {};
+
   constructor() { }
 
   addWebsocketServer(wss: WebSocket.Server) {
@@ -305,6 +311,14 @@ class WebsocketHandler {
             }
           }
 
+          if (parsedMessage && parsedMessage['track-wallet']) {
+            if (parsedMessage['track-wallet'] === 'stop') {
+              client['track-wallet'] = null;
+            } else {
+              client['track-wallet'] = parsedMessage['track-wallet'];
+            }
+          }
+
           if (parsedMessage && parsedMessage['track-asset']) {
             if (/^[a-fA-F0-9]{64}$/.test(parsedMessage['track-asset'])) {
               client['track-asset'] = parsedMessage['track-asset'];
@@ -484,6 +498,42 @@ class WebsocketHandler {
     }
   }
 
+  handleAccelerationsChanged(accelerations: Record<string, Acceleration>): void {
+    if (!this.webSocketServers.length) {
+      throw new Error('No WebSocket.Server has been set');
+    }
+
+    const websocketAccelerationDelta = accelerationApi.getAccelerationDelta(this.accelerations, accelerations);
+    this.accelerations = accelerations;
+
+    if (!websocketAccelerationDelta.length) {
+      return;
+    }
+
+    // pre-compute acceleration delta
+    const accelerationUpdate = {
+      added: websocketAccelerationDelta.map(txid => accelerations[txid]).filter(acc => acc != null),
+      removed: websocketAccelerationDelta.filter(txid => !accelerations[txid]),
+    };
+
+    try {
+      const response = JSON.stringify({
+        accelerations: accelerationUpdate,
+      });
+
+      for (const server of this.webSocketServers) {
+        server.clients.forEach((client) => {
+          if (client.readyState !== WebSocket.OPEN) {
+            return;
+          }
+          client.send(response);
+        });
+      }
+    } catch (e) {
+      logger.debug(`Error sending acceleration update to websocket clients: ${e}`);
+    }
+  }
+
   handleReorg(): void {
     if (!this.webSocketServers.length) {
       throw new Error('No WebSocket.Server have been set');
@@ -560,7 +610,7 @@ class WebsocketHandler {
     const vBytesPerSecond = memPool.getVBytesPerSecond();
     const rbfTransactions = Common.findRbfTransactions(newTransactions, recentlyDeletedTransactions.flat());
     const da = difficultyAdjustment.getDifficultyAdjustment();
-    const accelerations = memPool.getAccelerations();
+    const accelerations = accelerationApi.getAccelerations();
     memPool.handleRbfTransactions(rbfTransactions);
     const rbfChanges = rbfCache.getRbfChanges();
     let rbfReplacements;
@@ -668,10 +718,13 @@ class WebsocketHandler {
     const addressCache = this.makeAddressCache(newTransactions);
     const removedAddressCache = this.makeAddressCache(deletedTransactions);
 
+    const websocketAccelerationDelta = accelerationApi.getAccelerationDelta(this.accelerations, accelerations);
+    this.accelerations = accelerations;
+
     // pre-compute acceleration delta
     const accelerationUpdate = {
-      added: accelerationDelta.map(txid => accelerations[txid]).filter(acc => acc != null),
+      added: websocketAccelerationDelta.map(txid => accelerations[txid]).filter(acc => acc != null),
-      removed: accelerationDelta.filter(txid => !accelerations[txid]),
+      removed: websocketAccelerationDelta.filter(txid => !accelerations[txid]),
     };
 
     // TODO - Fix indentation after PR is merged
@@ -1028,6 +1081,14 @@ class WebsocketHandler {
       }
     }
 
+    if (config.CORE_RPC.DEBUG_LOG_PATH && block.extras) {
+      const firstSeen = getRecentFirstSeen(block.id);
+      if (firstSeen) {
+        BlocksRepository.$saveFirstSeenTime(block.id, firstSeen);
+        block.extras.firstSeen = firstSeen;
+      }
+    }
+
     const confirmedTxids: { [txid: string]: boolean } = {};
 
     // Update mempool to remove transactions included in the new block
@@ -1102,6 +1163,9 @@ class WebsocketHandler {
       replaced: replacedTransactions,
     };
 
+    // check for wallet transactions
+    const walletTransactions = config.WALLETS.ENABLED ? walletApi.processBlock(block, transactions) : [];
+
     const responseCache = { ...this.socketData };
     function getCachedResponse(key, data): string {
       if (!responseCache[key]) {
@@ -1306,6 +1370,11 @@ class WebsocketHandler {
         response['mempool-transactions'] = getCachedResponse('mempool-transactions', mempoolDelta);
       }
 
+      if (client['track-wallet']) {
+        const trackedWallet = client['track-wallet'];
+        response['wallet-transactions'] = getCachedResponse(`wallet-transactions-${trackedWallet}`, walletTransactions[trackedWallet] ?? {});
+      }
+
       if (Object.keys(response).length) {
         client.send(this.serializeResponse(response));
       }

backend/src/config.ts

@@ -86,6 +86,7 @@ interface IConfig {
     TIMEOUT: number;
     COOKIE: boolean;
     COOKIE_PATH: string;
+    DEBUG_LOG_PATH: string;
   };
   SECOND_CORE_RPC: {
     HOST: string;
@@ -161,6 +162,10 @@ interface IConfig {
     PAID: boolean;
     API_KEY: string;
   },
+  WALLETS: {
+    ENABLED: boolean;
+    WALLETS: string[];
+  }
 }
 
 const defaults: IConfig = {
@@ -227,7 +232,8 @@ const defaults: IConfig = {
     'PASSWORD': 'mempool',
     'TIMEOUT': 60000,
     'COOKIE': false,
-    'COOKIE_PATH': '/bitcoin/.cookie'
+    'COOKIE_PATH': '/bitcoin/.cookie',
+    'DEBUG_LOG_PATH': '',
   },
   'SECOND_CORE_RPC': {
     'HOST': '127.0.0.1',
@@ -322,6 +328,10 @@ const defaults: IConfig = {
     'PAID': false,
     'API_KEY': '',
   },
+  'WALLETS': {
+    'ENABLED': false,
+    'WALLETS': [],
+  },
 };
 
 class Config implements IConfig {
@@ -343,6 +353,7 @@ class Config implements IConfig {
   MEMPOOL_SERVICES: IConfig['MEMPOOL_SERVICES'];
   REDIS: IConfig['REDIS'];
   FIAT_PRICE: IConfig['FIAT_PRICE'];
+  WALLETS: IConfig['WALLETS'];
 
   constructor() {
     const configs = this.merge(configFromFile, defaults);
@@ -364,6 +375,7 @@ class Config implements IConfig {
     this.MEMPOOL_SERVICES = configs.MEMPOOL_SERVICES;
     this.REDIS = configs.REDIS;
     this.FIAT_PRICE = configs.FIAT_PRICE;
+    this.WALLETS = configs.WALLETS;
   }
 
   merge = (...objects: object[]): IConfig => {

backend/src/index.ts

@@ -32,6 +32,7 @@ import pricesRoutes from './api/prices/prices.routes';
 import miningRoutes from './api/mining/mining-routes';
 import liquidRoutes from './api/liquid/liquid.routes';
 import bitcoinRoutes from './api/bitcoin/bitcoin.routes';
+import servicesRoutes from './api/services/services-routes';
 import fundingTxFetcher from './tasks/lightning/sync-tasks/funding-tx-fetcher';
 import forensicsService from './tasks/lightning/forensics.service';
 import priceUpdater from './tasks/price-updater';
@@ -46,6 +47,7 @@ import bitcoinSecondClient from './api/bitcoin/bitcoin-second-client';
 import accelerationRoutes from './api/acceleration/acceleration.routes';
 import aboutRoutes from './api/about.routes';
 import mempoolBlocks from './api/mempool-blocks';
+import walletApi from './api/services/wallets';
 
 class Server {
   private wss: WebSocket.Server | undefined;
@@ -231,13 +233,17 @@ class Server {
       const newMempool = await bitcoinApi.$getRawMempool();
       const minFeeMempool = memPool.limitGBT ? await bitcoinSecondClient.getRawMemPool() : null;
       const minFeeTip = memPool.limitGBT ? await bitcoinSecondClient.getBlockCount() : -1;
-      const newAccelerations = await accelerationApi.$updateAccelerations();
+      const latestAccelerations = await accelerationApi.$updateAccelerations();
       const numHandledBlocks = await blocks.$updateBlocks();
       const pollRate = config.MEMPOOL.POLL_RATE_MS * (indexer.indexerIsRunning() ? 10 : 1);
       if (numHandledBlocks === 0) {
-        await memPool.$updateMempool(newMempool, newAccelerations, minFeeMempool, minFeeTip, pollRate);
+        await memPool.$updateMempool(newMempool, latestAccelerations, minFeeMempool, minFeeTip, pollRate);
       }
       indexer.$run();
+      if (config.WALLETS.ENABLED) {
+        // might take a while, so run in the background
+        walletApi.$syncWallets();
+      }
       if (config.FIAT_PRICE.ENABLED) {
         priceUpdater.$run();
       }
@@ -312,11 +318,15 @@ class Server {
       priceUpdater.setRatesChangedCallback(websocketHandler.handleNewConversionRates.bind(websocketHandler));
     }
     loadingIndicators.setProgressChangedCallback(websocketHandler.handleLoadingChanged.bind(websocketHandler));
+
+    accelerationApi.connectWebsocket();
   }
 
   setUpHttpApiRoutes(): void {
     bitcoinRoutes.initRoutes(this.app);
-    bitcoinCoreRoutes.initRoutes(this.app);
+    if (config.MEMPOOL.OFFICIAL) {
+      bitcoinCoreRoutes.initRoutes(this.app);
+    }
     pricesRoutes.initRoutes(this.app);
     if (config.STATISTICS.ENABLED && config.DATABASE.ENABLED && config.MEMPOOL.ENABLED) {
       statisticsRoutes.initRoutes(this.app);
@@ -335,6 +345,9 @@ class Server {
     if (config.MEMPOOL_SERVICES.ACCELERATIONS) {
       accelerationRoutes.initRoutes(this.app);
     }
+    if (config.WALLETS.ENABLED) {
+      servicesRoutes.initRoutes(this.app);
+    }
     if (!config.MEMPOOL.OFFICIAL) {
       aboutRoutes.initRoutes(this.app);
     }

backend/src/mempool.interfaces.ts

@@ -320,6 +320,7 @@ export interface BlockExtension {
   segwitTotalSize: number;
   segwitTotalWeight: number;
   header: string;
+  firstSeen: number | null;
   utxoSetChange: number;
   // Requires coinstatsindex, will be set to NULL otherwise
   utxoSetSize: number | null;

backend/src/repositories/BlocksRepository.ts

@@ -57,6 +57,7 @@ interface DatabaseBlock {
   utxoSetChange: number;
   utxoSetSize: number;
   totalInputAmt: number;
+  firstSeen: number;
 }
 
 const BLOCK_DB_FIELDS = `
@@ -99,7 +100,8 @@ const BLOCK_DB_FIELDS = `
   blocks.header,
   blocks.utxoset_change AS utxoSetChange,
   blocks.utxoset_size AS utxoSetSize,
-  blocks.total_input_amt AS totalInputAmt
+  blocks.total_input_amt AS totalInputAmt,
+  UNIX_TIMESTAMP(blocks.first_seen) AS firstSeen
 `;
 
 class BlocksRepository {
@@ -499,7 +501,7 @@ class BlocksRepository {
     }
 
     query += ` ORDER BY height DESC
-      LIMIT 10`;
+      LIMIT 100`;
 
     try {
       const [rows]: any[] = await DB.query(query, params);
@@ -1021,6 +1023,24 @@ class BlocksRepository {
     }
   }
 
+  /**
+   * Save block first seen time
+   * 
+   * @param id 
+   */
+  public async $saveFirstSeenTime(id: string, firstSeen: number): Promise<void> {
+    try {
+      await DB.query(`
+        UPDATE blocks SET first_seen = FROM_UNIXTIME(?)
+        WHERE hash = ?`,
+        [firstSeen, id]
+      );
+    } catch (e) {
+      logger.err(`Cannot update block first seen time. Reason: ` + (e instanceof Error ? e.message : e));
+      throw e;
+    }
+  }
+
   /**
    * Convert a mysql row block into a BlockExtended. Note that you
    * must provide the correct field into dbBlk object param
@@ -1078,6 +1098,7 @@ class BlocksRepository {
     extras.utxoSetSize = dbBlk.utxoSetSize;
     extras.totalInputAmt = dbBlk.totalInputAmt;
     extras.virtualSize = dbBlk.weight / 4.0;
+    extras.firstSeen = dbBlk.firstSeen;
 
     // Re-org can happen after indexing so we need to always get the
     // latest state from core

backend/src/rpc-api/commands.ts

@@ -83,6 +83,7 @@ module.exports = {
   signRawTransaction: 'signrawtransaction', // bitcoind v0.7.0+
   stop: 'stop',
   submitBlock: 'submitblock', // bitcoind v0.7.0+
+  submitPackage: 'submitpackage',
   validateAddress: 'validateaddress',
   verifyChain: 'verifychain', // bitcoind v0.9.0+
   verifyMessage: 'verifymessage',

backend/src/utils/file-read.ts

@@ -0,0 +1,58 @@
+import * as fs from 'fs';
+import logger from '../logger';
+import config from '../config';
+
+function readFile(filePath: string, bufferSize?: number): string[] {
+  const fileSize = fs.statSync(filePath).size;
+  const chunkSize = bufferSize || fileSize;
+  const fileDescriptor = fs.openSync(filePath, 'r');
+  const buffer = Buffer.alloc(chunkSize);
+
+  fs.readSync(fileDescriptor, buffer, 0, chunkSize, fileSize - chunkSize);
+  fs.closeSync(fileDescriptor);
+
+  const lines = buffer.toString('utf8', 0, chunkSize).split('\n');
+  return lines;
+}
+
+function extractDateFromLogLine(line: string): number | undefined {
+  // Extract time from log: "2021-08-31T12:34:56Z" or "2021-08-31T12:34:56.123456Z"
+  const dateMatch = line.match(/^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(?:\.\d{6})?Z/);
+  if (!dateMatch) {
+    return undefined;
+  }
+
+  const dateStr = dateMatch[0];
+  const date = new Date(dateStr);
+  let timestamp = Math.floor(date.getTime() / 1000); // Remove decimal (microseconds are added later)
+
+  const timePart = dateStr.split('T')[1];
+  const microseconds = timePart.split('.')[1] || '';
+
+  if (!microseconds) {
+    return timestamp;
+  }
+
+  return parseFloat(timestamp + '.' + microseconds);
+}
+
+export function getRecentFirstSeen(hash: string): number | undefined {
+  const debugLogPath = config.CORE_RPC.DEBUG_LOG_PATH;
+  if (debugLogPath) {
+    try {
+      // Read the last few lines of debug.log
+      const lines = readFile(debugLogPath, 2048);
+
+      for (let i = lines.length - 1; i >= 0; i--) {
+        const line = lines[i];
+        if (line && line.includes(`Saw new header hash=${hash}`)) {
+          return extractDateFromLogLine(line);
+        }
+      }
+    } catch (e) {
+      logger.err(`Cannot parse block first seen time from Core logs. Reason: ` + (e instanceof Error ? e.message : e));
+    }
+  }
+
+  return undefined;
+}

docker/backend/mempool-config.json

@@ -47,7 +47,8 @@
     "PASSWORD": "__CORE_RPC_PASSWORD__",
     "TIMEOUT": __CORE_RPC_TIMEOUT__,
     "COOKIE": __CORE_RPC_COOKIE__,
-    "COOKIE_PATH": "__CORE_RPC_COOKIE_PATH__"
+    "COOKIE_PATH": "__CORE_RPC_COOKIE_PATH__",
+    "DEBUG_LOG_PATH": "__CORE_RPC_DEBUG_LOG_PATH__"
   },
   "ELECTRUM": {
     "HOST": "__ELECTRUM_HOST__",

docker/backend/start.sh

@@ -49,6 +49,7 @@ __CORE_RPC_PASSWORD__=${CORE_RPC_PASSWORD:=mempool}
 __CORE_RPC_TIMEOUT__=${CORE_RPC_TIMEOUT:=60000}
 __CORE_RPC_COOKIE__=${CORE_RPC_COOKIE:=false}
 __CORE_RPC_COOKIE_PATH__=${CORE_RPC_COOKIE_PATH:=""}
+__CORE_RPC_DEBUG_LOG_PATH__=${CORE_RPC_DEBUG_LOG_PATH:=""}
 
 # ELECTRUM
 __ELECTRUM_HOST__=${ELECTRUM_HOST:=127.0.0.1}
@@ -207,6 +208,7 @@ sed -i "s!__CORE_RPC_PASSWORD__!${__CORE_RPC_PASSWORD__}!g" mempool-config.json
 sed -i "s!__CORE_RPC_TIMEOUT__!${__CORE_RPC_TIMEOUT__}!g" mempool-config.json
 sed -i "s!__CORE_RPC_COOKIE__!${__CORE_RPC_COOKIE__}!g" mempool-config.json
 sed -i "s!__CORE_RPC_COOKIE_PATH__!${__CORE_RPC_COOKIE_PATH__}!g" mempool-config.json
+sed -i "s!__CORE_RPC_DEBUG_LOG_PATH__!${__CORE_RPC_DEBUG_LOG_PATH__}!g" mempool-config.json
 
 sed -i "s!__ELECTRUM_HOST__!${__ELECTRUM_HOST__}!g" mempool-config.json
 sed -i "s!__ELECTRUM_PORT__!${__ELECTRUM_PORT__}!g" mempool-config.json

frontend/custom-bitb-config.json

@@ -0,0 +1,48 @@
+{
+  "theme": "wiz",
+  "enterprise": "bitb",
+  "branding": {
+    "name": "bitb",
+    "title": "BITB",
+    "site_id": 20,
+    "header_img": "/resources/bitblogo.svg",
+    "footer_img": "/resources/bitblogo.svg"
+  },
+  "dashboard": {
+    "widgets": [
+      {
+        "component": "fees",
+        "mobileOrder": 4
+      },
+      {
+        "component": "walletBalance",
+        "mobileOrder": 1,
+        "props": {
+          "wallet": "BITB"
+        }
+      },
+      {
+        "component": "goggles",
+        "mobileOrder": 5
+      },
+      {
+        "component": "wallet",
+        "mobileOrder": 2,
+        "props": {
+          "wallet": "BITB",
+          "period": "all"
+        }
+      },
+      {
+        "component": "blocks"
+      },
+      {
+        "component": "walletTransactions",
+        "mobileOrder": 3,
+        "props": {
+          "wallet": "BITB"
+        }
+      }
+    ]
+  }
+}

frontend/custom-meta-config.json

@@ -0,0 +1,51 @@
+{
+  "theme": "contrast",
+  "enterprise": "meta",
+  "branding": {
+    "name": "metaplanet",
+    "title": "Metaplanet",
+    "site_id": 21,
+    "header_img": "/resources/metalogo.svg",
+    "footer_img": "/resources/metalogo.svg"
+  },
+  "dashboard": {
+    "widgets": [
+      {
+        "component": "fees",
+        "mobileOrder": 4
+      },
+      {
+        "component": "walletBalance",
+        "mobileOrder": 1,
+        "props": {
+          "wallet": "3350"
+        }
+      },
+      {
+        "component": "twitter",
+        "mobileOrder": 5,
+        "props": {
+          "handle": "Metaplanet_JP"
+        }
+      },
+      {
+        "component": "wallet",
+        "mobileOrder": 2,
+        "props": {
+          "wallet": "3350",
+          "period": "all"
+        }
+      },
+      {
+        "component": "blocks"
+      },
+      {
+        "component": "walletTransactions",
+        "mobileOrder": 3,
+        "props": {
+          "wallet": "3350"
+        }
+      }
+    ]
+  }
+}

frontend/package-lock.json

@@ -42,7 +42,7 @@
         "rxjs": "~7.8.1",
         "tinyify": "^4.0.0",
         "tlite": "^0.1.9",
-        "tslib": "~2.7.0",
+        "tslib": "~2.8.0",
         "zone.js": "~0.14.4"
       },
       "devDependencies": {
@@ -51,7 +51,7 @@
         "@types/node": "^18.11.9",
         "@typescript-eslint/eslint-plugin": "^7.4.0",
         "@typescript-eslint/parser": "^7.4.0",
-        "browser-sync": "^3.0.0",
+        "browser-sync": "^3.0.3",
         "eslint": "^8.57.0",
         "http-proxy-middleware": "~2.0.6",
         "prettier": "^3.0.0",
@@ -4800,9 +4800,9 @@
       "devOptional": true
     },
     "node_modules/@types/cors": {
-      "version": "2.8.13",
+      "version": "2.8.17",
-      "resolved": "https://registry.npmjs.org/@types/cors/-/cors-2.8.13.tgz",
+      "resolved": "https://registry.npmjs.org/@types/cors/-/cors-2.8.17.tgz",
-      "integrity": "sha512-RG8AStHlUiV5ysZQKq97copd2UmVYw3/pRMLefISZ3S1hK104Cwm7iLQ3fTKx+lsUH2CE8FlLaYeEA2LSeqYUA==",
+      "integrity": "sha512-8CGDvrBj1zgo2qE+oS3pOCyYNqCPryMWY2bGfwA0dcfopWGgxs+78df0Rs3rc9THP4JkOhLsAa+15VdpAqkcUA==",
       "devOptional": true,
       "dependencies": {
         "@types/node": "*"
@@ -6209,13 +6209,13 @@
       }
     },
     "node_modules/browser-sync": {
-      "version": "3.0.2",
+      "version": "3.0.3",
-      "resolved": "https://registry.npmjs.org/browser-sync/-/browser-sync-3.0.2.tgz",
+      "resolved": "https://registry.npmjs.org/browser-sync/-/browser-sync-3.0.3.tgz",
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@@ -22706,15 +22592,15 @@
         "fs-extra": "3.0.1",
         "http-proxy": "^1.18.1",
         "immutable": "^3",
-        "micromatch": "^4.0.2",
+        "micromatch": "^4.0.8",
         "opn": "5.3.0",
         "portscanner": "2.2.0",
         "raw-body": "^2.3.2",
         "resp-modifier": "6.0.2",
         "rx": "4.1.0",
-        "send": "0.16.2",
+        "send": "^0.19.0",
-        "serve-index": "1.9.1",
+        "serve-index": "^1.9.1",
-        "serve-static": "1.13.2",
+        "serve-static": "^1.16.2",
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         "ua-parser-js": "^1.0.33",
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-            "depd": "~1.1.2",
-            "inherits": "2.0.3",
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-            "statuses": ">= 1.4.0 < 2"
-          }
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-          "version": "2.0.3",
-          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
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@@ -22831,63 +22678,6 @@
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-          "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A==",
-          "devOptional": true
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-          "version": "0.16.2",
-          "resolved": "https://registry.npmjs.org/send/-/send-0.16.2.tgz",
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-            "depd": "~1.1.2",
-            "destroy": "~1.0.4",
-            "encodeurl": "~1.0.2",
-            "escape-html": "~1.0.3",
-            "etag": "~1.8.1",
-            "fresh": "0.5.2",
-            "http-errors": "~1.6.2",
-            "mime": "1.4.1",
-            "ms": "2.0.0",
-            "on-finished": "~2.3.0",
-            "range-parser": "~1.2.0",
-            "statuses": "~1.4.0"
-          }
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-        "serve-static": {
-          "version": "1.13.2",
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-          "devOptional": true,
-          "requires": {
-            "encodeurl": "~1.0.2",
-            "escape-html": "~1.0.3",
-            "parseurl": "~1.3.2",
-            "send": "0.16.2"
-          }
-        },
-        "setprototypeof": {
-          "version": "1.1.0",
-          "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.1.0.tgz",
-          "integrity": "sha512-BvE/TwpZX4FXExxOxZyRGQQv651MSwmWKZGqvmPcRIjDqWub67kTKuIMx43cZZrS/cBBzwBcNDWoFxt2XEFIpQ==",
-          "devOptional": true
-        },
-        "statuses": {
-          "version": "1.4.0",
-          "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.4.0.tgz",
-          "integrity": "sha512-zhSCtt8v2NDrRlPQpCNtw/heZLtfUDqxBM1udqikb/Hbk52LK4nQSwr10u77iopCW5LsyHpuXS0GnEc48mLeew==",
-          "devOptional": true
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         "supports-color": {
           "version": "7.2.0",
           "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
@@ -22950,9 +22740,9 @@
       }
     },
     "browser-sync-client": {
-      "version": "3.0.2",
+      "version": "3.0.3",
-      "resolved": "https://registry.npmjs.org/browser-sync-client/-/browser-sync-client-3.0.2.tgz",
+      "resolved": "https://registry.npmjs.org/browser-sync-client/-/browser-sync-client-3.0.3.tgz",
-      "integrity": "sha512-tBWdfn9L0wd2Pjuz/NWHtNEKthVb1Y67vg8/qyGNtCqetNz5lkDkFnrsx5UhPNPYUO8vci50IWC/BhYaQskDiQ==",
+      "integrity": "sha512-TOEXaMgYNjBYIcmX5zDlOdjEqCeCN/d7opf/fuyUD/hhGVCfP54iQIDhENCi012AqzYZm3BvuFl57vbwSTwkSQ==",
       "devOptional": true,
       "requires": {
         "etag": "1.8.1",
@@ -22961,9 +22751,9 @@
       }
     },
     "browser-sync-ui": {
-      "version": "3.0.2",
+      "version": "3.0.3",
-      "resolved": "https://registry.npmjs.org/browser-sync-ui/-/browser-sync-ui-3.0.2.tgz",
+      "resolved": "https://registry.npmjs.org/browser-sync-ui/-/browser-sync-ui-3.0.3.tgz",
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+      "integrity": "sha512-FcGWo5lP5VodPY6O/f4pXQy5FFh4JK0f2/fTBsp0Lx1NtyBWs/IfPPJbW8m1ujTW/2r07oUXKTF2LYZlCZktjw==",
       "devOptional": true,
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@@ -23833,9 +23623,9 @@
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     },
     "cookie": {
-      "version": "0.6.0",
+      "version": "0.7.1",
-      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.6.0.tgz",
+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.7.1.tgz",
-      "integrity": "sha512-U71cyTamuh1CRNCfpGY6to28lxvNwPG4Guz/EVjgf3Jmzv0vlDp1atT9eS5dDjMYHucpHbWns6Lwf3BKz6svdw=="
+      "integrity": "sha512-6DnInpx7SJ2AK3+CTUE/ZM0vWTUboZCegxhC2xiIydHR9jNuTAASBrfEpHhiGOZw/nX51bHt6YQl8jsGo4y/0w=="
     },
     "cookie-signature": {
       "version": "1.0.6",
@@ -24771,9 +24561,9 @@
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     "engine.io": {
-      "version": "6.5.5",
+      "version": "6.6.2",
-      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-6.5.5.tgz",
+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-6.6.2.tgz",
-      "integrity": "sha512-C5Pn8Wk+1vKBoHghJODM63yk8MvrO9EWZUfkAt5HAqIgPE4/8FF0PEGHXtEd40l223+cE5ABWuPzm38PHFXfMA==",
+      "integrity": "sha512-gmNvsYi9C8iErnZdVcJnvCpSKbWTt1E8+JZo8b+daLninywUWi5NQ5STSHZ9rFjFO7imNcvb8Pc5pe/wMR5xEw==",
       "devOptional": true,
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         "@types/cookie": "^0.4.1",
@@ -24781,7 +24571,7 @@
         "@types/node": ">=10.0.0",
         "accepts": "~1.3.4",
         "base64id": "2.0.0",
-        "cookie": "~0.4.1",
+        "cookie": "~0.7.2",
         "cors": "~2.8.5",
         "debug": "~4.3.1",
         "engine.io-parser": "~5.2.1",
@@ -24789,24 +24579,24 @@
       },
       "dependencies": {
         "cookie": {
-          "version": "0.4.2",
+          "version": "0.7.2",
-          "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.2.tgz",
+          "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.7.2.tgz",
-          "integrity": "sha512-aSWTXFzaKWkvHO1Ny/s+ePFpvKsPnjc551iI41v3ny/ow6tBG5Vd+FuqGNhh1LxOmVzOlGUriIlOaokOvhaStA==",
+          "integrity": "sha512-yki5XnKuf750l50uGTllt6kKILY4nQ1eNIQatoXEByZ5dWgnKqbnqmTrBE5B4N7lrMJKQ2ytWMiTO2o0v6Ew/w==",
           "devOptional": true
         }
       }
     },
     "engine.io-client": {
-      "version": "6.5.4",
+      "version": "6.6.1",
-      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-6.5.4.tgz",
+      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-6.6.1.tgz",
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+      "integrity": "sha512-aYuoak7I+R83M/BBPIOs2to51BmFIpC1wZe6zZzMrT2llVsHy5cvcmdsJgP2Qz6smHu+sD9oexiSUAVd8OfBPw==",
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         "@socket.io/component-emitter": "~3.1.0",
         "debug": "~4.3.1",
         "engine.io-parser": "~5.2.1",
         "ws": "~8.17.1",
-        "xmlhttprequest-ssl": "~2.0.0"
+        "xmlhttprequest-ssl": "~2.1.1"
       }
     },
     "engine.io-parser": {
@@ -25497,16 +25287,16 @@
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     },
     "express": {
-      "version": "4.21.0",
+      "version": "4.21.1",
-      "resolved": "https://registry.npmjs.org/express/-/express-4.21.0.tgz",
+      "resolved": "https://registry.npmjs.org/express/-/express-4.21.1.tgz",
-      "integrity": "sha512-VqcNGcj/Id5ZT1LZ/cfihi3ttTn+NJmkli2eZADigjq29qTlWi/hAQ43t/VLPq8+UX06FCEx3ByOYet6ZFblng==",
+      "integrity": "sha512-YSFlK1Ee0/GC8QaO91tHcDxJiE/X4FbpAyQWkxAvG6AXCuR65YzK8ua6D9hvi/TzUfZMpc+BwuM1IPw8fmQBiQ==",
       "requires": {
         "accepts": "~1.3.8",
         "array-flatten": "1.1.1",
         "body-parser": "1.20.3",
         "content-disposition": "0.5.4",
         "content-type": "~1.0.4",
-        "cookie": "0.6.0",
+        "cookie": "0.7.1",
         "cookie-signature": "1.0.6",
         "debug": "2.6.9",
         "depd": "2.0.0",
@@ -29962,16 +29752,16 @@
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     },
     "socket.io": {
-      "version": "4.7.1",
+      "version": "4.8.0",
-      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-4.7.1.tgz",
+      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-4.8.0.tgz",
-      "integrity": "sha512-W+utHys2w//dhFjy7iQQu9sGd3eokCjGbl2r59tyLqNiJJBdIebn3GAKEXBr3osqHTObJi2die/25bCx2zsaaw==",
+      "integrity": "sha512-8U6BEgGjQOfGz3HHTYaC/L1GaxDCJ/KM0XTkJly0EhZ5U/du9uNEZy4ZgYzEzIqlx2CMm25CrCqr1ck899eLNA==",
       "devOptional": true,
       "requires": {
         "accepts": "~1.3.4",
         "base64id": "~2.0.0",
         "cors": "~2.8.5",
         "debug": "~4.3.2",
-        "engine.io": "~6.5.0",
+        "engine.io": "~6.6.0",
         "socket.io-adapter": "~2.5.2",
         "socket.io-parser": "~4.2.4"
       }
@@ -29987,14 +29777,14 @@
       }
     },
     "socket.io-client": {
-      "version": "4.7.5",
+      "version": "4.8.0",
-      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-4.7.5.tgz",
+      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-4.8.0.tgz",
-      "integrity": "sha512-sJ/tqHOCe7Z50JCBCXrsY3I2k03iOiUe+tj1OmKeD2lXPiGH/RUCdTZFoqVyN7l1MnpIzPrGtLcijffmeouNlQ==",
+      "integrity": "sha512-C0jdhD5yQahMws9alf/yvtsMGTaIDBnZ8Rb5HU56svyq0l5LIrGzIDZZD5pHQlmzxLuU91Gz+VpQMKgCTNYtkw==",
       "devOptional": true,
       "requires": {
         "@socket.io/component-emitter": "~3.1.0",
         "debug": "~4.3.2",
-        "engine.io-client": "~6.5.2",
+        "engine.io-client": "~6.6.1",
         "socket.io-parser": "~4.2.4"
       }
     },
@@ -30724,9 +30514,9 @@
       }
     },
     "tslib": {
-      "version": "2.7.0",
+      "version": "2.8.0",
-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.7.0.tgz",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.8.0.tgz",
-      "integrity": "sha512-gLXCKdN1/j47AiHiOkJN69hJmcbGTHI0ImLmbYLHykhgeN0jVGola9yVjFgzCUklsZQMW55o+dW7IXv3RCXDzA=="
+      "integrity": "sha512-jWVzBLplnCmoaTr13V9dYbiQ99wvZRd0vNWaDRg+aVYRcjDF3nDksxFDE/+fkXnKhpnUUkmx5pK/v8mCtLVqZA=="
     },
     "tuf-js": {
       "version": "2.2.0",
@@ -31573,9 +31363,9 @@
       "integrity": "sha512-sID0rrVCqkVNUn8t6xuv9+6FViXjUVXq8H5rWOH2rz9fDNQEd4g0EA2XlcEdJXRz5BMEn4O1pJFdT+z4YHhoWw=="
     },
     "xmlhttprequest-ssl": {
-      "version": "2.0.0",
+      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-2.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-2.1.1.tgz",
-      "integrity": "sha512-QKxVRxiRACQcVuQEYFsI1hhkrMlrXHPegbbd1yn9UHOmRxY+si12nQYzri3vbzt8VdTTRviqcKxcyllFas5z2A==",
+      "integrity": "sha512-ptjR8YSJIXoA3Mbv5po7RtSYHO6mZr8s7i5VGmEk7QY2pQWyT1o0N+W1gKbOyJPUCGXGnuw0wqe8f0L6Y0ny7g==",
       "devOptional": true
     },
     "xtend": {

frontend/package.json

@@ -95,7 +95,7 @@
     "esbuild": "^0.24.0",
     "tinyify": "^4.0.0",
     "tlite": "^0.1.9",
-    "tslib": "~2.7.0",
+    "tslib": "~2.8.0",
     "zone.js": "~0.14.4"
   },
   "devDependencies": {
@@ -105,7 +105,7 @@
     "@typescript-eslint/eslint-plugin": "^7.4.0",
     "@typescript-eslint/parser": "^7.4.0",
     "eslint": "^8.57.0",
-    "browser-sync": "^3.0.0",
+    "browser-sync": "^3.0.3",
     "http-proxy-middleware": "~2.0.6",
     "prettier": "^3.0.0",
     "source-map-support": "^0.5.21",

frontend/src/app/app-routing.module.ts

@@ -1,15 +1,15 @@
 import { NgModule } from '@angular/core';
 import { Routes, RouterModule } from '@angular/router';
-import { AppPreloadingStrategy } from './app.preloading-strategy'
+import { AppPreloadingStrategy } from '@app/app.preloading-strategy'
-import { BlockViewComponent } from './components/block-view/block-view.component';
+import { BlockViewComponent } from '@components/block-view/block-view.component';
-import { EightBlocksComponent } from './components/eight-blocks/eight-blocks.component';
+import { EightBlocksComponent } from '@components/eight-blocks/eight-blocks.component';
-import { MempoolBlockViewComponent } from './components/mempool-block-view/mempool-block-view.component';
+import { MempoolBlockViewComponent } from '@components/mempool-block-view/mempool-block-view.component';
-import { ClockComponent } from './components/clock/clock.component';
+import { ClockComponent } from '@components/clock/clock.component';
-import { StatusViewComponent } from './components/status-view/status-view.component';
+import { StatusViewComponent } from '@components/status-view/status-view.component';
-import { AddressGroupComponent } from './components/address-group/address-group.component';
+import { AddressGroupComponent } from '@components/address-group/address-group.component';
-import { TrackerComponent } from './components/tracker/tracker.component';
+import { TrackerComponent } from '@components/tracker/tracker.component';
-import { AccelerateCheckout } from './components/accelerate-checkout/accelerate-checkout.component';
+import { AccelerateCheckout } from '@components/accelerate-checkout/accelerate-checkout.component';
-import { TrackerGuard } from './route-guards';
+import { TrackerGuard } from '@app/route-guards';
 
 const browserWindow = window || {};
 // @ts-ignore
@@ -22,16 +22,16 @@ let routes: Routes = [
       {
         path: '',
         pathMatch: 'full',
-        loadChildren: () => import('./bitcoin-graphs.module').then(m => m.BitcoinGraphsModule),
+        loadChildren: () => import('@app/bitcoin-graphs.module').then(m => m.BitcoinGraphsModule),
         data: { preload: true },
       },
       {
         path: '',
-        loadChildren: () => import('./master-page.module').then(m => m.MasterPageModule),
+        loadChildren: () => import('@app/master-page.module').then(m => m.MasterPageModule),
         data: { preload: true },
       },
       {
-        path: 'wallet',
+        path: 'widget/wallet',
         children: [],
         component: AddressGroupComponent,
         data: {
@@ -45,7 +45,7 @@ let routes: Routes = [
       },
       {
         path: '',
-        loadChildren: () => import('./bitcoin-graphs.module').then(m => m.BitcoinGraphsModule),
+        loadChildren: () => import('@app/bitcoin-graphs.module').then(m => m.BitcoinGraphsModule),
         data: { preload: true },
       },
       {
@@ -60,12 +60,12 @@ let routes: Routes = [
       {
         path: '',
         pathMatch: 'full',
-        loadChildren: () => import('./bitcoin-graphs.module').then(m => m.BitcoinGraphsModule),
+        loadChildren: () => import('@app/bitcoin-graphs.module').then(m => m.BitcoinGraphsModule),
         data: { preload: true },
       },
       {
         path: '',
-        loadChildren: () => import('./master-page.module').then(m => m.MasterPageModule),
+        loadChildren: () => import('@app/master-page.module').then(m => m.MasterPageModule),
         data: { preload: true },
       },
       {
@@ -83,7 +83,7 @@ let routes: Routes = [
       },
       {
         path: '',
-        loadChildren: () => import('./bitcoin-graphs.module').then(m => m.BitcoinGraphsModule),
+        loadChildren: () => import('@app/bitcoin-graphs.module').then(m => m.BitcoinGraphsModule),
         data: { preload: true },
       },
       {
@@ -103,16 +103,16 @@ let routes: Routes = [
       {
         path: '',
         pathMatch: 'full',
-        loadChildren: () => import('./bitcoin-graphs.module').then(m => m.BitcoinGraphsModule),
+        loadChildren: () => import('@app/bitcoin-graphs.module').then(m => m.BitcoinGraphsModule),
         data: { preload: true },
       },
       {
         path: '',
-        loadChildren: () => import('./master-page.module').then(m => m.MasterPageModule),
+        loadChildren: () => import('@app/master-page.module').then(m => m.MasterPageModule),
         data: { preload: true },
       },
       {
-        path: 'wallet',
+        path: 'widget/wallet',
         children: [],
         component: AddressGroupComponent,
         data: {
@@ -126,7 +126,7 @@ let routes: Routes = [
       },
       {
         path: '',
-        loadChildren: () => import('./bitcoin-graphs.module').then(m => m.BitcoinGraphsModule),
+        loadChildren: () => import('@app/bitcoin-graphs.module').then(m => m.BitcoinGraphsModule),
         data: { preload: true },
       },
       {
@@ -138,22 +138,22 @@ let routes: Routes = [
   {
     path: '',
     pathMatch: 'full',
-    loadChildren: () => import('./bitcoin-graphs.module').then(m => m.BitcoinGraphsModule),
+    loadChildren: () => import('@app/bitcoin-graphs.module').then(m => m.BitcoinGraphsModule),
     data: { preload: true },
   },
   {
     path: 'tx',
     canMatch: [TrackerGuard],
     runGuardsAndResolvers: 'always',
-    loadChildren: () => import('./components/tracker/tracker.module').then(m => m.TrackerModule),
+    loadChildren: () => import('@components/tracker/tracker.module').then(m => m.TrackerModule),
   },
   {
     path: '',
-    loadChildren: () => import('./master-page.module').then(m => m.MasterPageModule),
+    loadChildren: () => import('@app/master-page.module').then(m => m.MasterPageModule),
     data: { preload: true },
   },
   {
-    path: 'wallet',
+    path: 'widget/wallet',
     children: [],
     component: AddressGroupComponent,
     data: {
@@ -165,19 +165,19 @@ let routes: Routes = [
     children: [
       {
         path: '',
-        loadChildren: () => import('./previews.module').then(m => m.PreviewsModule)
+        loadChildren: () => import('@app/previews.module').then(m => m.PreviewsModule)
       },
       {
         path: 'testnet',
-        loadChildren: () => import('./previews.module').then(m => m.PreviewsModule)
+        loadChildren: () => import('@app/previews.module').then(m => m.PreviewsModule)
       },
       {
         path: 'testnet4',
-        loadChildren: () => import('./previews.module').then(m => m.PreviewsModule)
+        loadChildren: () => import('@app/previews.module').then(m => m.PreviewsModule)
       },
       {
         path: 'signet',
-        loadChildren: () => import('./previews.module').then(m => m.PreviewsModule)
+        loadChildren: () => import('@app/previews.module').then(m => m.PreviewsModule)
       },
     ],
   },
@@ -212,7 +212,7 @@ let routes: Routes = [
   },
   {
     path: '',
-    loadChildren: () => import('./bitcoin-graphs.module').then(m => m.BitcoinGraphsModule),
+    loadChildren: () => import('@app/bitcoin-graphs.module').then(m => m.BitcoinGraphsModule),
     data: { preload: true },
   },
 ];
@@ -225,16 +225,16 @@ if (browserWindowEnv && browserWindowEnv.BASE_MODULE === 'liquid') {
         {
           path: '',
           pathMatch: 'full',
-          loadChildren: () => import('./liquid/liquid-graphs.module').then(m => m.LiquidGraphsModule),
+          loadChildren: () => import('@app/liquid/liquid-graphs.module').then(m => m.LiquidGraphsModule),
           data: { preload: true },
         },
         {
           path: '',
-          loadChildren: () => import ('./liquid/liquid-master-page.module').then(m => m.LiquidMasterPageModule),
+          loadChildren: () => import ('@app/liquid/liquid-master-page.module').then(m => m.LiquidMasterPageModule),
           data: { preload: true },
         },
         {
-          path: 'wallet',
+          path: 'widget/wallet',
           children: [],
           component: AddressGroupComponent,
           data: {
@@ -248,7 +248,7 @@ if (browserWindowEnv && browserWindowEnv.BASE_MODULE === 'liquid') {
         },
         {
           path: '',
-          loadChildren: () => import('./liquid/liquid-graphs.module').then(m => m.LiquidGraphsModule),
+          loadChildren: () => import('@app/liquid/liquid-graphs.module').then(m => m.LiquidGraphsModule),
           data: { preload: true },
         },
         {
@@ -260,16 +260,16 @@ if (browserWindowEnv && browserWindowEnv.BASE_MODULE === 'liquid') {
     {
       path: '',
       pathMatch: 'full',
-      loadChildren: () => import('./liquid/liquid-graphs.module').then(m => m.LiquidGraphsModule),
+      loadChildren: () => import('@app/liquid/liquid-graphs.module').then(m => m.LiquidGraphsModule),
       data: { preload: true },
     },
     {
       path: '',
-      loadChildren: () => import ('./liquid/liquid-master-page.module').then(m => m.LiquidMasterPageModule),
+      loadChildren: () => import ('@app/liquid/liquid-master-page.module').then(m => m.LiquidMasterPageModule),
       data: { preload: true },
     },
     {
-      path: 'wallet',
+      path: 'widget/wallet',
       children: [],
       component: AddressGroupComponent,
       data: {
@@ -281,11 +281,11 @@ if (browserWindowEnv && browserWindowEnv.BASE_MODULE === 'liquid') {
       children: [
         {
           path: '',
-          loadChildren: () => import('./previews.module').then(m => m.PreviewsModule)
+          loadChildren: () => import('@app/previews.module').then(m => m.PreviewsModule)
         },
         {
           path: 'testnet',
-          loadChildren: () => import('./previews.module').then(m => m.PreviewsModule)
+          loadChildren: () => import('@app/previews.module').then(m => m.PreviewsModule)
         },
       ],
     },
@@ -296,7 +296,7 @@ if (browserWindowEnv && browserWindowEnv.BASE_MODULE === 'liquid') {
     },
     {
       path: '',
-      loadChildren: () => import('./liquid/liquid-graphs.module').then(m => m.LiquidGraphsModule),
+      loadChildren: () => import('@app/liquid/liquid-graphs.module').then(m => m.LiquidGraphsModule),
       data: { preload: true },
     },
   ];

frontend/src/app/app.constants.ts

@@ -440,3 +440,38 @@ export const fiatCurrencies = {
     indexed: true,
   },
 };
+
+export interface Timezone {
+  offset: string;
+  name: string;
+}
+
+export const timezones: Timezone[] = [
+  { offset: '-12', name: 'Anywhere on Earth (AoE)' },
+  { offset: '-11', name: 'Samoa Standard Time (SST)' },
+  { offset: '-10', name: 'Hawaii Standard Time (HST)' },
+  { offset: '-9', name: 'Alaska Standard Time (AKST)' },
+  { offset: '-8', name: 'Pacific Standard Time (PST)' },
+  { offset: '-7', name: 'Mountain Standard Time (MST)' },
+  { offset: '-6', name: 'Central Standard Time (CST)' },
+  { offset: '-5', name: 'Eastern Standard Time (EST)' },
+  { offset: '-4', name: 'Atlantic Standard Time (AST)' },
+  { offset: '-3', name: 'Argentina Time (ART)' },
+  { offset: '-2', name: 'Fernando de Noronha Time (FNT)' },
+  { offset: '-1', name: 'Azores Time (AZOT)' },
+  { offset: '+0', name: 'Greenwich Mean Time (GMT)' },
+  { offset: '+1', name: 'Central European Time (CET)' },
+  { offset: '+2', name: 'Eastern European Time (EET)' },
+  { offset: '+3', name: 'Moscow Standard Time (MSK)' },
+  { offset: '+4', name: 'Armenia Time (AMT)' },
+  { offset: '+5', name: 'Pakistan Standard Time (PKT)' },
+  { offset: '+6', name: 'Xinjiang Time (XJT)' },
+  { offset: '+7', name: 'Indochina Time (ICT)' },
+  { offset: '+8', name: 'Hong Kong Time (HKT)' },
+  { offset: '+9', name: 'Japan Standard Time (JST)' },
+  { offset: '+10', name: 'Australian Eastern Standard Time (AEST)' },
+  { offset: '+11', name: 'Norfolk Time (NFT)' },
+  { offset: '+12', name: 'New Zealand Standard Time (NZST)' },
+  { offset: '+13', name: 'Tonga Time (TOT)' },
+  { offset: '+14', name: 'Line Islands Time (LINT)' }
+];

frontend/src/app/app.module.server.ts

@@ -2,11 +2,11 @@ import { HTTP_INTERCEPTORS } from '@angular/common/http';
 import { NgModule } from '@angular/core';
 import { ServerModule } from '@angular/platform-server';
 
-import { ZONE_SERVICE } from './injection-tokens';
+import { ZONE_SERVICE } from '@app/injection-tokens';
 import { AppModule } from './app.module';
-import { AppComponent } from './components/app/app.component';
+import { AppComponent } from '@components/app/app.component';
-import { HttpCacheInterceptor } from './services/http-cache.interceptor';
+import { HttpCacheInterceptor } from '@app/services/http-cache.interceptor';
-import { ZoneService } from './services/zone.service';
+import { ZoneService } from '@app/services/zone.service';
 
 
 @NgModule({

frontend/src/app/app.module.ts

@@ -2,33 +2,33 @@ import { BrowserModule } from '@angular/platform-browser';
 import { ModuleWithProviders, NgModule } from '@angular/core';
 import { HttpClientModule, HTTP_INTERCEPTORS } from '@angular/common/http';
 import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
-import { ZONE_SERVICE } from './injection-tokens';
+import { ZONE_SERVICE } from '@app/injection-tokens';
 import { AppRoutingModule } from './app-routing.module';
-import { AppComponent } from './components/app/app.component';
+import { AppComponent } from '@components/app/app.component';
-import { ElectrsApiService } from './services/electrs-api.service';
+import { ElectrsApiService } from '@app/services/electrs-api.service';
-import { OrdApiService } from './services/ord-api.service';
+import { OrdApiService } from '@app/services/ord-api.service';
-import { StateService } from './services/state.service';
+import { StateService } from '@app/services/state.service';
-import { CacheService } from './services/cache.service';
+import { CacheService } from '@app/services/cache.service';
-import { PriceService } from './services/price.service';
+import { PriceService } from '@app/services/price.service';
-import { EnterpriseService } from './services/enterprise.service';
+import { EnterpriseService } from '@app/services/enterprise.service';
-import { WebsocketService } from './services/websocket.service';
+import { WebsocketService } from '@app/services/websocket.service';
-import { AudioService } from './services/audio.service';
+import { AudioService } from '@app/services/audio.service';
-import { PreloadService } from './services/preload.service';
+import { PreloadService } from '@app/services/preload.service';
-import { SeoService } from './services/seo.service';
+import { SeoService } from '@app/services/seo.service';
-import { OpenGraphService } from './services/opengraph.service';
+import { OpenGraphService } from '@app/services/opengraph.service';
-import { ZoneService } from './services/zone-shim.service';
+import { ZoneService } from '@app/services/zone-shim.service';
-import { SharedModule } from './shared/shared.module';
+import { SharedModule } from '@app/shared/shared.module';
-import { StorageService } from './services/storage.service';
+import { StorageService } from '@app/services/storage.service';
-import { HttpCacheInterceptor } from './services/http-cache.interceptor';
+import { HttpCacheInterceptor } from '@app/services/http-cache.interceptor';
-import { LanguageService } from './services/language.service';
+import { LanguageService } from '@app/services/language.service';
-import { ThemeService } from './services/theme.service';
+import { ThemeService } from '@app/services/theme.service';
-import { TimeService } from './services/time.service';
+import { TimeService } from '@app/services/time.service';
-import { FiatShortenerPipe } from './shared/pipes/fiat-shortener.pipe';
+import { FiatShortenerPipe } from '@app/shared/pipes/fiat-shortener.pipe';
-import { FiatCurrencyPipe } from './shared/pipes/fiat-currency.pipe';
+import { FiatCurrencyPipe } from '@app/shared/pipes/fiat-currency.pipe';
-import { ShortenStringPipe } from './shared/pipes/shorten-string-pipe/shorten-string.pipe';
+import { ShortenStringPipe } from '@app/shared/pipes/shorten-string-pipe/shorten-string.pipe';
-import { CapAddressPipe } from './shared/pipes/cap-address-pipe/cap-address-pipe';
+import { CapAddressPipe } from '@app/shared/pipes/cap-address-pipe/cap-address-pipe';
-import { AppPreloadingStrategy } from './app.preloading-strategy';
+import { AppPreloadingStrategy } from '@app/app.preloading-strategy';
-import { ServicesApiServices } from './services/services-api.service';
+import { ServicesApiServices } from '@app/services/services-api.service';
 import { DatePipe } from '@angular/common';
 
 const providers = [

frontend/src/app/bitcoin-graphs.module.ts

@@ -1,13 +1,13 @@
 import { NgModule } from '@angular/core';
 import { CommonModule } from '@angular/common';
 import { Routes, RouterModule } from '@angular/router';
-import { MasterPageComponent } from './components/master-page/master-page.component';
+import { MasterPageComponent } from '@components/master-page/master-page.component';
 
 const routes: Routes = [
   {
     path: '',
     component: MasterPageComponent,
-    loadChildren: () => import('./graphs/graphs.module').then(m => m.GraphsModule),
+    loadChildren: () => import('@app/graphs/graphs.module').then(m => m.GraphsModule),
     data: { preload: true },
   }
 ];

frontend/src/app/bitcoin.utils.ts

@@ -1,5 +1,5 @@
-import { Transaction, Vin } from './interfaces/electrs.interface';
+import { Transaction, Vin } from '@interfaces/electrs.interface';
-import { Hash } from './shared/sha256';
+import { Hash } from '@app/shared/sha256';
 
 const P2SH_P2WPKH_COST = 21 * 4; // the WU cost for the non-witness part of P2SH-P2WPKH
 const P2SH_P2WSH_COST  = 35 * 4; // the WU cost for the non-witness part of P2SH-P2WSH

frontend/src/app/components/about/about-sponsors.component.ts

@@ -1,5 +1,5 @@
 import { Component, Input } from '@angular/core';
-import { EnterpriseService } from '../../services/enterprise.service';
+import { EnterpriseService } from '@app/services/enterprise.service';
 
 @Component({
   selector: 'app-about-sponsors',

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

@@ -201,12 +201,17 @@
         <img class="image" src="/resources/profile/leather.svg" />
         <span>Leather</span>
       </a>
+
+      <a href="https://taprootwizards.com/" target="_blank" title="Taproot Wizards">
+        <img class="image" src="/resources/profile/wizardhat.png" />
+        <span>Taproot Wizards</span>
+      </a>
     </div>
   </div>
 
   <ng-container>
     <div *ngIf="profiles$ | async as profiles" id="community-sponsors-anchor">
-      <div class="community-sponsor" style="margin-bottom: 68px" *ngIf="profiles.whales.length > 0">
+      <div class="community-sponsor whale-sponsor" style="margin-bottom: 68px" *ngIf="profiles.whales.length > 0">
         <h3 i18n="about.sponsors.withHeart">Whale Sponsors</h3>
         <div class="wrapper">
           <ng-container>

frontend/src/app/components/about/about.component.scss

@@ -92,6 +92,13 @@
     }
   }
 
+  .whale-sponsor {
+    img {
+      width: 70px;
+      height: 70px;
+    }
+  }
+
   .alliances {
     margin-bottom: 100px;
     a {

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

@@ -1,16 +1,16 @@
 import { ChangeDetectionStrategy, Component, ElementRef, Inject, LOCALE_ID, OnInit, ViewChild } from '@angular/core';
-import { WebsocketService } from '../../services/websocket.service';
+import { WebsocketService } from '@app/services/websocket.service';
-import { SeoService } from '../../services/seo.service';
+import { SeoService } from '@app/services/seo.service';
-import { OpenGraphService } from '../../services/opengraph.service';
+import { OpenGraphService } from '@app/services/opengraph.service';
-import { StateService } from '../../services/state.service';
+import { StateService } from '@app/services/state.service';
 import { Observable } from 'rxjs';
-import { ApiService } from '../../services/api.service';
+import { ApiService } from '@app/services/api.service';
-import { IBackendInfo } from '../../interfaces/websocket.interface';
+import { IBackendInfo } from '@interfaces/websocket.interface';
 import { Router, ActivatedRoute } from '@angular/router';
 import { map, share, tap } from 'rxjs/operators';
-import { ITranslators } from '../../interfaces/node-api.interface';
+import { ITranslators } from '@interfaces/node-api.interface';
 import { DOCUMENT } from '@angular/common';
-import { EnterpriseService } from '../../services/enterprise.service';
+import { EnterpriseService } from '@app/services/enterprise.service';
 
 @Component({
   selector: 'app-about',

frontend/src/app/components/about/about.module.ts

@@ -1,9 +1,9 @@
 import { NgModule } from '@angular/core';
 import { CommonModule } from '@angular/common';
 import { Routes, RouterModule } from '@angular/router';
-import { AboutComponent } from './about.component';
+import { AboutComponent } from '@components/about/about.component';
-import { AboutSponsorsComponent } from './about-sponsors.component';
+import { AboutSponsorsComponent } from '@components/about/about-sponsors.component';
-import { SharedModule } from '../../shared/shared.module';
+import { SharedModule } from '@app/shared/shared.module';
 
 const routes: Routes = [
   {

frontend/src/app/components/accelerate-checkout/accelerate-checkout.component.scss

@@ -172,10 +172,6 @@
   background-color: var(--tertiary);
 }
 
-.btn-small-height {
-	line-height: 1;
-}
-
 .summary-row {
   display: flex;
   flex-direction: row;

frontend/src/app/components/accelerate-checkout/accelerate-checkout.component.ts

@@ -1,16 +1,16 @@
 /* eslint-disable no-console */
 import { Component, OnInit, OnDestroy, Output, EventEmitter, Input, ChangeDetectorRef, SimpleChanges, HostListener } from '@angular/core';
 import { Subscription, tap, of, catchError, Observable, switchMap } from 'rxjs';
-import { ServicesApiServices } from '../../services/services-api.service';
+import { ServicesApiServices } from '@app/services/services-api.service';
-import { md5, insecureRandomUUID } from '../../shared/common.utils';
+import { md5 } from '@app/shared/common.utils';
-import { StateService } from '../../services/state.service';
+import { StateService } from '@app/services/state.service';
-import { AudioService } from '../../services/audio.service';
+import { AudioService } from '@app/services/audio.service';
-import { ETA, EtaService } from '../../services/eta.service';
+import { ETA, EtaService } from '@app/services/eta.service';
-import { Transaction } from '../../interfaces/electrs.interface';
+import { Transaction } from '@interfaces/electrs.interface';
-import { MiningStats } from '../../services/mining.service';
+import { MiningStats } from '@app/services/mining.service';
-import { IAuth, AuthServiceMempool } from '../../services/auth.service';
+import { IAuth, AuthServiceMempool } from '@app/services/auth.service';
-import { EnterpriseService } from '../../services/enterprise.service';
+import { EnterpriseService } from '@app/services/enterprise.service';
-import { ApiService } from '../../services/api.service';
+import { ApiService } from '@app/services/api.service';
 import { isDevMode } from '@angular/core';
 
 export type PaymentMethod = 'balance' | 'bitcoin' | 'cashapp' | 'applePay' | 'googlePay';
@@ -84,13 +84,7 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
   timePaid: number = 0; // time acceleration requested
   math = Math;
   isMobile: boolean = window.innerWidth <= 767.98;
-  isProdDomain = ['mempool.space',
+  isProdDomain = false;
-    'mempool-staging.va1.mempool.space',
-    'mempool-staging.fmt.mempool.space',
-    'mempool-staging.fra.mempool.space',
-    'mempool-staging.tk7.mempool.space',
-    'mempool-staging.sg1.mempool.space'
-   ].indexOf(document.location.hostname) > -1;
 
   private _step: CheckoutStep = 'summary';
   simpleMode: boolean = true;
@@ -100,7 +94,6 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
   auth: IAuth | null = null;
 
   // accelerator stuff
-  accelerationUUID: string;
   accelerationSubscription: Subscription;
   difficultySubscription: Subscription;
   estimateSubscription: Subscription;
@@ -143,7 +136,7 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
     private authService: AuthServiceMempool,
     private enterpriseService: EnterpriseService,
   ) {
-    this.accelerationUUID = insecureRandomUUID();
+    this.isProdDomain = this.stateService.env.PROD_DOMAINS.indexOf(document.location.hostname) > -1;
 
     // Check if Apple Pay available
     // https://developer.apple.com/documentation/apple_pay_on_the_web/apple_pay_js_api/checking_for_apple_pay_availability#overview
@@ -207,6 +200,7 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
   }
 
   moveToStep(step: CheckoutStep): void {
+    this.processing = false;
     this._step = step;
     if (this.timeoutTimer) {
       clearTimeout(this.timeoutTimer);
@@ -374,6 +368,7 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
       this.selectFeeRateIndex = index;
       this.userBid = Math.max(0, fee);
       this.cost = this.userBid + this.estimate.mempoolBaseFee + this.estimate.vsizeFee;
+      this.validateChoice();
     }
   }
 
@@ -391,7 +386,6 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
     this.accelerationSubscription = this.servicesApiService.accelerate$(
       this.tx.txid,
       this.userBid,
-      this.accelerationUUID
     ).subscribe({
       next: () => {
         this.processing = false;
@@ -525,7 +519,7 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
                 tokenResult.token,
                 cardTag,
                 `accelerator-${this.tx.txid.substring(0, 15)}-${Math.round(new Date().getTime() / 1000)}`,
-                this.accelerationUUID
+                costUSD
               ).subscribe({
                 next: () => {
                   this.processing = false;
@@ -618,13 +612,21 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
               this.processing = false;
               return;
             }
+            const verificationToken = await this.$verifyBuyer(this.payments, tokenResult.token, tokenResult.details, costUSD.toFixed(2));
+            if (!verificationToken) {
+              console.error(`SCA verification failed`);
+              this.accelerateError = 'SCA Verification Failed. Payment Declined.';
+              this.processing = false;
+              return;
+            }
             const cardTag = md5(`${card.brand}${card.expMonth}${card.expYear}${card.last4}`.toLowerCase());
             this.servicesApiService.accelerateWithGooglePay$(
               this.tx.txid,
               tokenResult.token,
+              verificationToken,
               cardTag,
               `accelerator-${this.tx.txid.substring(0, 15)}-${Math.round(new Date().getTime() / 1000)}`,
-              this.accelerationUUID
+              costUSD
             ).subscribe({
               next: () => {
                 this.processing = false;
@@ -714,7 +716,7 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
               tokenResult.token,
               tokenResult.details.cashAppPay.cashtag,
               tokenResult.details.cashAppPay.referenceId,
-              this.accelerationUUID
+              costUSD
             ).subscribe({
               next: () => {
                 this.processing = false;
@@ -749,6 +751,32 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
     );
   }
 
+  /**
+   * Required in SCA Mandated Regions: Learn more at https://developer.squareup.com/docs/sca-overview
+   */
+  async $verifyBuyer(payments, token, details, amount) {
+    const verificationDetails = {
+      amount: amount,
+      currencyCode: 'USD',
+      intent: 'CHARGE',
+      billingContact: {
+        givenName: details.card?.billing?.givenName,
+        familyName: details.card?.billing?.familyName,
+        phone: details.card?.billing?.phone,
+        addressLines: details.card?.billing?.addressLines,
+        city: details.card?.billing?.city,
+        state: details.card?.billing?.state,
+        countryCode: details.card?.billing?.countryCode,
+      },
+    };
+
+    const verificationResults = await payments.verifyBuyer(
+      token,
+      verificationDetails,
+    );
+    return verificationResults.token;
+  }
+
   /**
    * BTCPay
    */

frontend/src/app/components/accelerate-checkout/accelerate-fee-graph.component.ts

@@ -1,6 +1,6 @@
 import { Component, Input, Output, OnChanges, EventEmitter, HostListener, OnInit, ViewChild, ElementRef, AfterViewInit, OnDestroy, ChangeDetectorRef } from '@angular/core';
-import { Transaction } from '../../interfaces/electrs.interface';
+import { Transaction } from '@interfaces/electrs.interface';
-import { AccelerationEstimate, RateOption } from './accelerate-checkout.component';
+import { AccelerationEstimate, RateOption } from '@components/accelerate-checkout/accelerate-checkout.component';
 
 interface GraphBar {
   rate: number;

frontend/src/app/components/acceleration-timeline/acceleration-timeline.component.html

@@ -1,6 +1,6 @@
 <div class="acceleration-timeline box" [class.lower-padding]="!tx.status.confirmed">
   <div class="timeline-wrapper">
-    @if (!tx.status.confirmed) {
+    @if (!tx.status.confirmed || canceled) {
     <div class="timeline">
       <div class="intervals">
         <div class="node-spacer"></div>
@@ -8,8 +8,8 @@
         <div class="node-spacer"></div>
         <div class="interval">
           <div class="interval-time">
-            @if (eta) {
+            @if (eta && !canceled) {
-              ~<app-time [time]="eta?.wait / 1000"></app-time> <!-- <span *ngIf="accelerateRatio > 1" class="compare"> ({{ accelerateRatio }}x faster)</span> -->
+              ~<app-time [time]="eta?.wait / 1000"></app-time>
               }
           </div>
         </div>
@@ -19,16 +19,20 @@
         <div class="node-spacer"></div>
         <div class="interval-spacer"></div>
         <div class="node">
-          <div class="acc-to-confirmed right go-faster"></div>
+          <div class="acc-to-confirmed right go-faster" [class.no-animation]="canceled"></div>
         </div>
         <div class="interval-spacer">
         </div>
         <div class="node" [id]="'confirmed'">
-          <div class="acc-to-confirmed left go-faster"></div>
+          <div class="acc-to-confirmed left go-faster" [class.no-animation]="canceled"></div>
           <div class="shape-border waiting">
             <div class="shape"></div>
           </div>
-          <div class="status"><span class="badge badge-waiting" i18n="transaction.rbf.mined">Mined</span></div>
+          @if (canceled) {
+          <div class="status"><span class="badge badge-danger" i18n="accelerator.canceled">Canceled</span></div>
+          } @else {
+            <div class="status"><span class="badge badge-waiting" i18n="transaction.rbf.mined">Mined</span></div>
+          }
         </div>
       </div>
     </div>
@@ -45,11 +49,9 @@
         <div class="interval">
           <div class="interval-time">
             @if (tx.status.confirmed) {
-              <div class="interval-time">
+              <app-time [time]="acceleratedToMined"></app-time>
-                <app-time [time]="acceleratedToMined"></app-time>
+            } @else if (eta && canceled) {
-              </div>
+              ~<app-time [time]="eta?.wait / 1000"></app-time>
-            } @else if (standardETA && !tx.status.confirmed) {
-              <!-- ~<app-time [time]="standardETA / 1000 - now"></app-time> -->
             }
           </div>
         </div>
@@ -73,42 +75,42 @@
         <div class="interval-spacer">
           <div class="seen-to-acc"></div>
         </div>
-        <div class="node" [class.accelerated]="!tx.status.confirmed" [id]="'accelerated'">
+        <div class="node" [class.accelerated]="!tx.status.confirmed && !canceled" [id]="'accelerated'">
           <div class="seen-to-acc left"></div>
-          @if (tx.status.confirmed) {
+          @if (tx.status.confirmed && !canceled) {
             <div class="acc-to-confirmed right"></div>
           } @else {
           <div class="seen-to-acc right"></div>
           }
           <div  class="shape-border hovering" (pointerover)="onHover($event, 'accelerated');" (pointerout)="onBlur($event);">
             <div class="shape"></div>
-            @if (!tx.status.confirmed) {
+            @if (!tx.status.confirmed || canceled) {
-            <div class="connector down loading"></div>
+            <div class="connector down" [class.loading]="!canceled"></div>
             }
           </div>
-          @if (tx.status.confirmed) {
+          @if (tx.status.confirmed && !canceled) {
             <div class="status"><span class="badge badge-accelerated" i18n="transaction.audit.accelerated">Accelerated</span></div>
           }
-          <div class="time" [class.no-margin]="!tx.status.confirmed" [class.offset-left]="!tx.status.confirmed">
+          <div class="time" [class.no-margin]="!tx.status.confirmed || canceled" [class.offset-left]="!tx.status.confirmed || canceled">
             @if (!tx.status.confirmed) {
             <span i18n="transaction.audit.accelerated">Accelerated</span>{{ "" }} 
             }
             @if (useAbsoluteTime) {
             <span>{{ acceleratedAt * 1000 | date }}</span>
             } @else {
-            <app-time kind="since" [time]="acceleratedAt" [lowercaseStart]="!tx.status.confirmed"></app-time>
+            <app-time kind="since" [time]="acceleratedAt" [lowercaseStart]="!tx.status.confirmed || canceled"></app-time>
             }
           </div>
         </div>
         <div class="interval-spacer">
-          @if (tx.status.confirmed) {
+          @if (tx.status.confirmed && !canceled) {
           <div class="acc-to-confirmed"></div>
           } @else {
           <div class="seen-to-acc"></div>
           }
         </div>
         <div class="node" [class.selected]="tx.status.confirmed" [id]="'confirmed'">
-          @if (tx.status.confirmed) {
+          @if (tx.status.confirmed && !canceled) {
           <div class="acc-to-confirmed left"></div>
           } @else {
           <div class="seen-to-acc left"></div>

frontend/src/app/components/acceleration-timeline/acceleration-timeline.component.scss

@@ -129,6 +129,9 @@
           margin-left: calc(-4em + 5px);
           animation: goFasterLeft 0.8s infinite linear;
         }
+        &.no-animation {
+          animation: none;
+        }
       }
 
       &.left {

frontend/src/app/components/acceleration-timeline/acceleration-timeline.component.ts

@@ -1,8 +1,8 @@
 import { Component, Input, OnInit, OnChanges, HostListener } from '@angular/core';
-import { ETA } from '../../services/eta.service';
+import { ETA } from '@app/services/eta.service';
-import { Transaction } from '../../interfaces/electrs.interface';
+import { Transaction } from '@interfaces/electrs.interface';
-import { Acceleration, SinglePoolStats } from '../../interfaces/node-api.interface';
+import { Acceleration, SinglePoolStats } from '@interfaces/node-api.interface';
-import { MiningService } from '../../services/mining.service';
+import { MiningService } from '@app/services/mining.service';
 
 @Component({
   selector: 'app-acceleration-timeline',
@@ -11,19 +11,15 @@ import { MiningService } from '../../services/mining.service';
 })
 export class AccelerationTimelineComponent implements OnInit, OnChanges {
   @Input() transactionTime: number;
+  @Input() acceleratedAt: number;
   @Input() tx: Transaction;
   @Input() accelerationInfo: Acceleration;
   @Input() eta: ETA;
-  // A mined transaction has standard ETA and accelerated ETA undefined
+  @Input() canceled: boolean;
-  // A transaction in mempool has either standardETA defined (if accelerated) or acceleratedETA defined (if not accelerated yet)
-  @Input() standardETA: number;
-  @Input() acceleratedETA: number;
 
-  acceleratedAt: number;
   now: number;
   accelerateRatio: number;
   useAbsoluteTime: boolean = false;
-  interval: number;
   firstSeenToAccelerated: number;
   acceleratedToMined: number;
 
@@ -36,30 +32,17 @@ export class AccelerationTimelineComponent implements OnInit, OnChanges {
   ) {}
 
   ngOnInit(): void {
-    this.acceleratedAt = this.tx.acceleratedAt ?? new Date().getTime() / 1000;
+    this.updateTimes();
 
     this.miningService.getPools().subscribe(pools => {
       for (const pool of pools) {
         this.poolsData[pool.unique_id] = pool;
       }
     });
-
-    this.updateTimes();
-    this.interval = window.setInterval(this.updateTimes.bind(this), 60000);
   }
 
   ngOnChanges(changes): void {
-    // Hide standard ETA while we don't have a proper standard ETA calculation, see https://github.com/mempool/mempool/issues/65
+    this.updateTimes();
-    
-    // if (changes?.eta?.currentValue || changes?.standardETA?.currentValue || changes?.acceleratedETA?.currentValue) {
-    //   if (changes?.eta?.currentValue) {
-    //     if (changes?.acceleratedETA?.currentValue) {
-    //       this.accelerateRatio = Math.floor((Math.floor(changes.eta.currentValue.time / 1000) - this.now) / (Math.floor(changes.acceleratedETA.currentValue / 1000) - this.now));
-    //     } else if (changes?.standardETA?.currentValue) {
-    //       this.accelerateRatio = Math.floor((Math.floor(changes.standardETA.currentValue / 1000) - this.now) / (Math.floor(changes.eta.currentValue.time / 1000) - this.now));
-    //     }
-    //   }
-    // }
   }
 
   updateTimes(): void {
@@ -69,10 +52,6 @@ export class AccelerationTimelineComponent implements OnInit, OnChanges {
     this.acceleratedToMined = Math.max(0, this.tx.status.block_time - this.acceleratedAt);
   }
   
-  ngOnDestroy(): void {
-    clearInterval(this.interval);
-  }
-  
   onHover(event, status: string): void {
     if (status === 'seen') {
       this.hoverInfo = {

frontend/src/app/components/acceleration/acceleration-fees-graph/acceleration-fees-graph.component.ts

@@ -1,18 +1,18 @@
 import { ChangeDetectionStrategy, ChangeDetectorRef, Component, Inject, Input, LOCALE_ID, NgZone, OnChanges, OnDestroy, OnInit, SimpleChanges } from '@angular/core';
-import { EChartsOption } from '../../../graphs/echarts';
+import { EChartsOption } from '@app/graphs/echarts';
 import { Observable, Subject, Subscription, combineLatest, fromEvent, merge, share } from 'rxjs';
 import { startWith, switchMap, tap } from 'rxjs/operators';
-import { SeoService } from '../../../services/seo.service';
+import { SeoService } from '@app/services/seo.service';
 import { formatNumber } from '@angular/common';
 import { UntypedFormBuilder, UntypedFormGroup } from '@angular/forms';
-import { download, formatterXAxis, formatterXAxisLabel, formatterXAxisTimeCategory } from '../../../shared/graphs.utils';
+import { download, formatterXAxis, formatterXAxisLabel, formatterXAxisTimeCategory } from '@app/shared/graphs.utils';
-import { StorageService } from '../../../services/storage.service';
+import { StorageService } from '@app/services/storage.service';
-import { MiningService } from '../../../services/mining.service';
+import { MiningService } from '@app/services/mining.service';
 import { ActivatedRoute, Router } from '@angular/router';
-import { Acceleration } from '../../../interfaces/node-api.interface';
+import { Acceleration } from '@interfaces/node-api.interface';
-import { ServicesApiServices } from '../../../services/services-api.service';
+import { ServicesApiServices } from '@app/services/services-api.service';
-import { StateService } from '../../../services/state.service';
+import { StateService } from '@app/services/state.service';
-import { RelativeUrlPipe } from '../../../shared/pipes/relative-url/relative-url.pipe';
+import { RelativeUrlPipe } from '@app/shared/pipes/relative-url/relative-url.pipe';
 
 @Component({
   selector: 'app-acceleration-fees-graph',

frontend/src/app/components/acceleration/acceleration-stats/acceleration-stats.component.ts

@@ -1,6 +1,6 @@
 import { ChangeDetectionStrategy, Component, Input, OnChanges, OnInit } from '@angular/core';
 import { Observable } from 'rxjs';
-import { ServicesApiServices } from '../../../services/services-api.service';
+import { ServicesApiServices } from '@app/services/services-api.service';
 
 export type AccelerationStats = {
   totalRequested: number;

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

@@ -4,7 +4,7 @@
 
   <div class="clearfix"></div>
 
-  <div class="acceleration-list">
+  <div class="acceleration-list" *ngIf="{ accelerations: accelerationList$ | async } as state">
     <table *ngIf="nonEmptyAccelerations; else noData" class="table table-borderless table-fixed">
       <thead>
         <th class="txid text-left" i18n="dashboard.latest-transactions.txid">TXID</th>
@@ -21,8 +21,8 @@
           <th class="date text-right" i18n="accelerator.requested" *ngIf="!this.widget">Requested</th>
         </ng-container>
       </thead>
-      <tbody *ngIf="accelerationList$ | async as accelerations; else skeleton" [style]="isLoading ? 'opacity: 0.75' : ''">
+      <tbody *ngIf="state.accelerations && nonEmptyAccelerations; else skeleton" [style]="isLoading ? 'opacity: 0.75' : ''">
-        <tr *ngFor="let acceleration of accelerations; let i= index;">
+        <tr *ngFor="let acceleration of state.accelerations; let i= index;">
           <td class="txid text-left">
             <a [routerLink]="['/tx' | relativeUrl, acceleration.txid]">
               <app-truncate [text]="acceleration.txid" [lastChars]="5"></app-truncate>

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

@@ -1,12 +1,12 @@
 import { Component, OnInit, ChangeDetectionStrategy, Input, ChangeDetectorRef, OnDestroy, Inject, LOCALE_ID } from '@angular/core';
 import { BehaviorSubject, Observable, Subscription, catchError, combineLatest, filter, of, switchMap, tap, throttleTime, timer } from 'rxjs';
-import { Acceleration, BlockExtended, SinglePoolStats } from '../../../interfaces/node-api.interface';
+import { Acceleration, BlockExtended, SinglePoolStats } from '@interfaces/node-api.interface';
-import { StateService } from '../../../services/state.service';
+import { StateService } from '@app/services/state.service';
-import { WebsocketService } from '../../../services/websocket.service';
+import { WebsocketService } from '@app/services/websocket.service';
-import { ServicesApiServices } from '../../../services/services-api.service';
+import { ServicesApiServices } from '@app/services/services-api.service';
-import { SeoService } from '../../../services/seo.service';
+import { SeoService } from '@app/services/seo.service';
 import { ActivatedRoute, Router } from '@angular/router';
-import { MiningService } from '../../../services/mining.service';
+import { MiningService } from '@app/services/mining.service';
 
 @Component({
   selector: 'app-accelerations-list',

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

@@ -1,18 +1,18 @@
 import { ChangeDetectionStrategy, Component, HostListener, Inject, OnDestroy, OnInit, PLATFORM_ID } from '@angular/core';
-import { SeoService } from '../../../services/seo.service';
+import { SeoService } from '@app/services/seo.service';
-import { OpenGraphService } from '../../../services/opengraph.service';
+import { OpenGraphService } from '@app/services/opengraph.service';
-import { WebsocketService } from '../../../services/websocket.service';
+import { WebsocketService } from '@app/services/websocket.service';
-import { Acceleration, BlockExtended } from '../../../interfaces/node-api.interface';
+import { Acceleration, BlockExtended } from '@interfaces/node-api.interface';
-import { StateService } from '../../../services/state.service';
+import { StateService } from '@app/services/state.service';
 import { Observable, Subscription, catchError, combineLatest, distinctUntilChanged, map, of, share, switchMap, tap } from 'rxjs';
-import { Color } from '../../block-overview-graph/sprite-types';
+import { Color } from '@components/block-overview-graph/sprite-types';
-import { hexToColor } from '../../block-overview-graph/utils';
+import { hexToColor } from '@components/block-overview-graph/utils';
-import TxView from '../../block-overview-graph/tx-view';
+import TxView from '@components/block-overview-graph/tx-view';
-import { feeLevels, defaultMempoolFeeColors, contrastMempoolFeeColors } from '../../../app.constants';
+import { feeLevels, defaultMempoolFeeColors, contrastMempoolFeeColors } from '@app/app.constants';
-import { ServicesApiServices } from '../../../services/services-api.service';
+import { ServicesApiServices } from '@app/services/services-api.service';
-import { detectWebGL } from '../../../shared/graphs.utils';
+import { detectWebGL } from '@app/shared/graphs.utils';
-import { AudioService } from '../../../services/audio.service';
+import { AudioService } from '@app/services/audio.service';
-import { ThemeService } from '../../../services/theme.service';
+import { ThemeService } from '@app/services/theme.service';
 
 const acceleratedColor: Color = hexToColor('8F5FF6');
 const normalColors = defaultMempoolFeeColors.map(hex => hexToColor(hex + '5F'));

frontend/src/app/components/acceleration/active-acceleration-box/active-acceleration-box.component.html

@@ -20,7 +20,7 @@
       <td class="pie-chart" rowspan="2" *ngIf="!chartPositionLeft">
         <div class="d-flex justify-content-between align-items-start">
           @if (hasCpfp) {
-            <button type="button" class="btn btn-outline-info btn-sm btn-small-height float-right mt-0" (click)="onToggleCpfp()">CPFP <fa-icon [icon]="['fas', 'info-circle']" [fixedWidth]="true"></fa-icon></button>
+            <button type="button" class="btn btn-outline-info btn-sm btn-small-height float-right mt-0" (click)="onToggleCpfp()">CPFP</button>
           }
           <ng-container *ngTemplateOutlet="pieChart"></ng-container>
         </div>
@@ -36,7 +36,7 @@
       <tr>
         <td colspan="3" class="pt-0">
           <div class="d-flex justify-content-end align-items-start">
-            <button type="button" class="btn btn-outline-info btn-sm btn-small-height float-right mt-0" (click)="onToggleCpfp()">CPFP <fa-icon [icon]="['fas', 'info-circle']" [fixedWidth]="true"></fa-icon></button>
+            <button type="button" class="btn btn-outline-info btn-sm btn-small-height float-right mt-0" (click)="onToggleCpfp()">CPFP</button>
           </div>
         </td>
       </tr>

frontend/src/app/components/acceleration/active-acceleration-box/active-acceleration-box.component.ts

@@ -1,8 +1,8 @@
 import { Component, ChangeDetectionStrategy, Input, Output, OnChanges, SimpleChanges, EventEmitter, ChangeDetectorRef } from '@angular/core';
-import { Transaction } from '../../../interfaces/electrs.interface';
+import { Transaction } from '@interfaces/electrs.interface';
-import { Acceleration, SinglePoolStats } from '../../../interfaces/node-api.interface';
+import { Acceleration, SinglePoolStats } from '@interfaces/node-api.interface';
-import { EChartsOption, PieSeriesOption } from '../../../graphs/echarts';
+import { EChartsOption, PieSeriesOption } from '@app/graphs/echarts';
-import { MiningStats } from '../../../services/mining.service';
+import { MiningStats } from '@app/services/mining.service';
 
 function lighten(color, p): { r, g, b } {
   return {
@@ -76,15 +76,21 @@ export class ActiveAccelerationBox implements OnChanges {
     acceleratingPools.forEach((poolId, index) => {
       const pool = pools[poolId];
       const poolShare = ((pool.lastEstimatedHashrate / this.miningStats.lastEstimatedHashrate) * 100).toFixed(1);
+      let color = 'white';
+      if (index >= firstSignificantPool) {
+        if (numSignificantPools > 1) {
+          color = toRGB(lighten({ r: 147, g: 57, b: 244 }, 1 - (index - firstSignificantPool) / Math.max((numSignificantPools - 1), 1)));
+        } else {
+          color = toRGB({ r: 147, g: 57, b: 244 });
+        }
+      }
       data.push(getDataItem(
         pool.lastEstimatedHashrate,
-        index >= firstSignificantPool
+        color,
-          ? toRGB(lighten({ r: 147, g: 57, b: 244 }, 1 - (index - firstSignificantPool) / (numSignificantPools - 1)))
-          : 'white',
         `<b style="color: white">${pool.name} (${poolShare}%)</b>`,
         true,
       ) as PieSeriesOption);
-    })
+    });
     this.acceleratedByPercentage = ((totalAcceleratedHashrate / this.miningStats.lastEstimatedHashrate) * 100).toFixed(1) + '%';
     const notAcceleratedByPercentage = ((1 - (totalAcceleratedHashrate / this.miningStats.lastEstimatedHashrate)) * 100).toFixed(1) + '%';
     data.push(getDataItem(

frontend/src/app/components/acceleration/pending-stats/pending-stats.component.ts

@@ -1,9 +1,9 @@
 import { ChangeDetectionStrategy, Component, Input, OnInit } from '@angular/core';
 import { Observable, of } from 'rxjs';
 import { switchMap } from 'rxjs/operators';
-import { Acceleration } from '../../../interfaces/node-api.interface';
+import { Acceleration } from '@interfaces/node-api.interface';
-import { StateService } from '../../../services/state.service';
+import { StateService } from '@app/services/state.service';
-import { WebsocketService } from '../../../services/websocket.service';
+import { WebsocketService } from '@app/services/websocket.service';
 
 @Component({
   selector: 'app-pending-stats',

frontend/src/app/components/address-graph/address-graph.component.ts

@@ -1,16 +1,15 @@
 import { ChangeDetectionStrategy, ChangeDetectorRef, Component, Inject, Input, LOCALE_ID, NgZone, OnChanges, OnDestroy, SimpleChanges } from '@angular/core';
-import { echarts, EChartsOption } from '../../graphs/echarts';
+import { echarts, EChartsOption } from '@app/graphs/echarts';
 import { BehaviorSubject, Observable, Subscription, combineLatest, of } from 'rxjs';
 import { catchError, map, switchMap, tap } from 'rxjs/operators';
-import { AddressTxSummary, ChainStats } from '../../interfaces/electrs.interface';
+import { AddressTxSummary, ChainStats } from '@interfaces/electrs.interface';
-import { ElectrsApiService } from '../../services/electrs-api.service';
+import { ElectrsApiService } from '@app/services/electrs-api.service';
-import { AmountShortenerPipe } from '../../shared/pipes/amount-shortener.pipe';
+import { AmountShortenerPipe } from '@app/shared/pipes/amount-shortener.pipe';
 import { Router } from '@angular/router';
-import { RelativeUrlPipe } from '../../shared/pipes/relative-url/relative-url.pipe';
+import { RelativeUrlPipe } from '@app/shared/pipes/relative-url/relative-url.pipe';
-import { StateService } from '../../services/state.service';
+import { StateService } from '@app/services/state.service';
-import { PriceService } from '../../services/price.service';
+import { PriceService } from '@app/services/price.service';
-import { FiatCurrencyPipe } from '../../shared/pipes/fiat-currency.pipe';
+import { FiatCurrencyPipe } from '@app/shared/pipes/fiat-currency.pipe';
-import { FiatShortenerPipe } from '../../shared/pipes/fiat-shortener.pipe';
 
 const periodSeconds = {
   '1d': (60 * 60 * 24),
@@ -45,14 +44,18 @@ export class AddressGraphComponent implements OnChanges, OnDestroy {
   @Input() right: number | string = 10;
   @Input() left: number | string = 70;
   @Input() widget: boolean = false;
+  @Input() defaultFiat: boolean = false;
+  @Input() showLegend: boolean = true;
+  @Input() showYAxis: boolean = true;
 
+  adjustedLeft: number;
+  adjustedRight: number;
   data: any[] = [];
   fiatData: any[] = [];
   hoverData: any[] = [];
   conversions: any;
   allowZoom: boolean = false;
-  initialRight = this.right;
+
-  initialLeft = this.left;
   selected = { [$localize`:@@7e69426bd97a606d8ae6026762858e6e7c86a1fd:Balance`]: true, 'Fiat': false };
 
   subscription: Subscription;
@@ -77,15 +80,17 @@ export class AddressGraphComponent implements OnChanges, OnDestroy {
     private relativeUrlPipe: RelativeUrlPipe,
     private priceService: PriceService,
     private fiatCurrencyPipe: FiatCurrencyPipe,
-    private fiatShortenerPipe: FiatShortenerPipe,
     private zone: NgZone,
   ) {}
 
   ngOnChanges(changes: SimpleChanges): void {
     this.isLoading = true;
-    if (!this.address || !this.stats) {
+    if (!this.addressSummary$ && (!this.address || !this.stats)) {
       return;
     }
+    if (changes.defaultFiat) {
+      this.selected['Fiat'] = !!this.defaultFiat;
+    }
     if (changes.address || changes.isPubkey || changes.addressSummary$ || changes.stats) {
       if (this.subscription) {
         this.subscription.unsubscribe();
@@ -118,7 +123,7 @@ export class AddressGraphComponent implements OnChanges, OnDestroy {
                     } else if (this.conversions && this.conversions['USD']) {
                       price = this.conversions['USD'];
                     }
-                    return { ...item, price: price }
+                    return { ...item, price: price };
                   });
                 }
               }),
@@ -144,15 +149,16 @@ export class AddressGraphComponent implements OnChanges, OnDestroy {
   }
 
   prepareChartOptions(summary: AddressTxSummary[]) {
-    if (!summary || !this.stats) {
+    if (!summary) {
       return;
     }
 
-    let total = (this.stats.funded_txo_sum - this.stats.spent_txo_sum);
+    const total = this.stats ? (this.stats.funded_txo_sum - this.stats.spent_txo_sum) : summary.reduce((acc, tx) => acc + tx.value, 0);
+    let runningTotal = total;
     const processData = summary.map(d => {
-        const balance = total;
+        const balance = runningTotal;
-        const fiatBalance = total * d.price / 100_000_000;
+        const fiatBalance = runningTotal * d.price / 100_000_000;
-        total -= d.value;
+        runningTotal -= d.value;
         return {
             time: d.time * 1000,
             balance,
@@ -172,12 +178,15 @@ export class AddressGraphComponent implements OnChanges, OnDestroy {
       this.fiatData = this.fiatData.filter(d => d[0] >= startFiat);
     }
     this.data.push(
-      {value: [now, this.stats.funded_txo_sum - this.stats.spent_txo_sum], symbol: 'none', tooltip: { show: false }}
+      {value: [now, total], symbol: 'none', tooltip: { show: false }}
     );
 
     const maxValue = this.data.reduce((acc, d) => Math.max(acc, Math.abs(d[1] ?? d.value[1])), 0);
     const minValue = this.data.reduce((acc, d) => Math.min(acc, Math.abs(d[1] ?? d.value[1])), maxValue);
 
+    this.adjustedRight = this.selected['Fiat'] ? +this.right + 40 : +this.right;
+    this.adjustedLeft = this.selected[$localize`:@@7e69426bd97a606d8ae6026762858e6e7c86a1fd:Balance`] ? +this.left : +this.left - 40;
+
     this.chartOptions = {
       color: [
         new echarts.graphic.LinearGradient(0, 0, 0, 1, [
@@ -193,10 +202,10 @@ export class AddressGraphComponent implements OnChanges, OnDestroy {
       grid: {
         top: 20,
         bottom: this.allowZoom ? 65 : 20,
-        right: this.right,
+        right: this.adjustedRight,
-        left: this.left,
+        left: this.adjustedLeft,
       },
-      legend: !this.stateService.isAnyTestnet() ? {
+      legend: (this.showLegend && !this.stateService.isAnyTestnet()) ? {
         data: [
           {
             name: $localize`:@@7e69426bd97a606d8ae6026762858e6e7c86a1fd:Balance`,
@@ -244,18 +253,19 @@ export class AddressGraphComponent implements OnChanges, OnDestroy {
           let tooltip = '<div>';
 
           const hasTx = data[0].data[2].txid;
+          const date = new Date(data[0].data[0]).toLocaleTimeString(this.locale, { year: 'numeric', month: 'short', day: 'numeric' });
+
+          tooltip += `<div>
+            <div style="text-align: right;">
+            <div><b>${date}</b></div>`;
+
           if (hasTx) {
             const header = data.length === 1
             ? `${data[0].data[2].txid.slice(0, 6)}...${data[0].data[2].txid.slice(-6)}`
             : `${data.length} transactions`;
-            tooltip += `<span><b>${header}</b></span>`;
+            tooltip += `<div><b>${header}</b></div>`;
           }
 
-          const date = new Date(data[0].data[0]).toLocaleTimeString(this.locale, { year: 'numeric', month: 'short', day: 'numeric' });
-          
-          tooltip += `<div>
-            <div style="text-align: right;">`;
-          
           const formatBTC = (val, decimal) => (val / 100_000_000).toFixed(decimal);
           const formatFiat = (val) => this.fiatCurrencyPipe.transform(val, null, 'USD');
 
@@ -290,7 +300,7 @@ export class AddressGraphComponent implements OnChanges, OnDestroy {
             }
           }
 
-          tooltip += `</div><span>${date}</span></div>`;
+          tooltip += `</div></div>`;
           return tooltip;
         }.bind(this)
       },
@@ -306,22 +316,26 @@ export class AddressGraphComponent implements OnChanges, OnDestroy {
           type: 'value',
           position: 'left',
           axisLabel: {
+            show: this.showYAxis,
             color: 'rgb(110, 112, 121)',
             formatter: (val): string => {
               let valSpan = maxValue - (this.period === 'all' ? 0 : minValue);
               if (valSpan > 100_000_000_000) {
-                return `${this.amountShortenerPipe.transform(Math.round(val / 100_000_000), 0)} BTC`;
+                return `${this.amountShortenerPipe.transform(Math.round(val / 100_000_000), 0, undefined, true)} BTC`;
               }
               else if (valSpan > 1_000_000_000) {
-                return `${this.amountShortenerPipe.transform(Math.round(val / 100_000_000), 2)} BTC`;
+                return `${this.amountShortenerPipe.transform(Math.round(val / 100_000_000), 2, undefined, true)} BTC`;
               } else if (valSpan > 100_000_000) {
                 return `${(val / 100_000_000).toFixed(1)} BTC`;
               } else if (valSpan > 10_000_000) {
                 return `${(val / 100_000_000).toFixed(2)} BTC`;
               } else if (valSpan > 1_000_000) {
+                if (maxValue > 100_000_000_000) {
+                  return `${this.amountShortenerPipe.transform(Math.round(val / 100_000_000), 3, undefined, true)} BTC`;
+                }
                 return `${(val / 100_000_000).toFixed(3)} BTC`;
               } else {
-                return `${this.amountShortenerPipe.transform(val, 0)} sats`;
+                return `${this.amountShortenerPipe.transform(val, 0, undefined, true)} sats`;
               }
             }
           },
@@ -333,9 +347,10 @@ export class AddressGraphComponent implements OnChanges, OnDestroy {
         {
           type: 'value',
           axisLabel: {
+            show: this.showYAxis,
             color: 'rgb(110, 112, 121)',
             formatter: function(val) {
-              return this.fiatShortenerPipe.transform(val, null, 'USD');
+              return `$${this.amountShortenerPipe.transform(val, 3, undefined, true, true)}`;
             }.bind(this)
           },
           splitLine: {
@@ -389,8 +404,8 @@ export class AddressGraphComponent implements OnChanges, OnDestroy {
         type: 'slider',
         brushSelect: false,
         realtime: true,
-        left: this.left,
+        left: this.adjustedLeft,
-        right: this.right,
+        right: this.adjustedRight,
         selectedDataBackground: {
           lineStyle: {
             color: '#fff',
@@ -420,23 +435,23 @@ export class AddressGraphComponent implements OnChanges, OnDestroy {
 
   onLegendSelectChanged(e) {
     this.selected = e.selected;
-    this.right = this.selected['Fiat'] ? +this.initialRight + 40 : this.initialRight;
+    this.adjustedRight = this.selected['Fiat'] ? +this.right + 40 : +this.right;
-    this.left = this.selected[$localize`:@@7e69426bd97a606d8ae6026762858e6e7c86a1fd:Balance`] ? this.initialLeft : +this.initialLeft - 40;
+    this.adjustedLeft = this.selected[$localize`:@@7e69426bd97a606d8ae6026762858e6e7c86a1fd:Balance`] ? +this.left : +this.left - 40;
 
     this.chartOptions = {
       grid: {
-        right: this.right,
+        right: this.adjustedRight,
-        left: this.left,
+        left: this.adjustedLeft,
       },
       legend: {
         selected: this.selected,
       },
       dataZoom: this.allowZoom ? [{
-        left: this.left,
+        left: this.adjustedLeft,
-        right: this.right,
+        right: this.adjustedRight,
       }, {
-        left: this.left,
+        left: this.adjustedLeft,
-        right: this.right,
+        right: this.adjustedRight,
       }] : undefined
     };
 

frontend/src/app/components/address-group/address-group.component.ts

@@ -1,15 +1,15 @@
 import { Component, OnInit, OnDestroy, ChangeDetectorRef, HostListener } from '@angular/core';
 import { ActivatedRoute, ParamMap } from '@angular/router';
-import { ElectrsApiService } from '../../services/electrs-api.service';
+import { ElectrsApiService } from '@app/services/electrs-api.service';
 import { switchMap, catchError } from 'rxjs/operators';
-import { Address, Transaction } from '../../interfaces/electrs.interface';
+import { Address, Transaction } from '@interfaces/electrs.interface';
-import { WebsocketService } from '../../services/websocket.service';
+import { WebsocketService } from '@app/services/websocket.service';
-import { StateService } from '../../services/state.service';
+import { StateService } from '@app/services/state.service';
-import { AudioService } from '../../services/audio.service';
+import { AudioService } from '@app/services/audio.service';
-import { ApiService } from '../../services/api.service';
+import { ApiService } from '@app/services/api.service';
 import { of, Subscription, forkJoin } from 'rxjs';
-import { SeoService } from '../../services/seo.service';
+import { SeoService } from '@app/services/seo.service';
-import { AddressInformation } from '../../interfaces/node-api.interface';
+import { AddressInformation } from '@interfaces/node-api.interface';
 
 @Component({
   selector: 'app-address-group',

frontend/src/app/components/address-labels/address-labels.component.ts

@@ -1,7 +1,7 @@
 import { Component, ChangeDetectionStrategy, Input, OnChanges } from '@angular/core';
-import { Vin, Vout } from '../../interfaces/electrs.interface';
+import { Vin, Vout } from '@interfaces/electrs.interface';
-import { StateService } from '../../services/state.service';
+import { StateService } from '@app/services/state.service';
-import { AddressType, AddressTypeInfo } from '../../shared/address-utils';
+import { AddressType, AddressTypeInfo } from '@app/shared/address-utils';
 
 @Component({
   selector: 'app-address-labels',

frontend/src/app/components/address-transactions-widget/address-transactions-widget.component.html

@@ -12,7 +12,7 @@
           <app-truncate [text]="transaction.txid" [lastChars]="5"></app-truncate>
         </a>
       </td>
-      <td class="table-cell-satoshis"><app-amount [satoshis]="transaction.value" digitsInfo="1.2-4" [noFiat]="true"></app-amount></td>
+      <td class="table-cell-satoshis"><app-amount [satoshis]="transaction.value" [digitsInfo]="getAmountDigits(transaction.value)" [noFiat]="true"></app-amount></td>
       <td class="table-cell-fiat" ><app-fiat [value]="transaction.value" [blockConversion]="transaction.price" digitsInfo="1.0-0"></app-fiat></td>
       <td class="table-cell-date"><app-time kind="since" [time]="transaction.time" [fastRender]="true" [showTooltip]="true"></app-time></td>
     </tr>

frontend/src/app/components/address-transactions-widget/address-transactions-widget.component.ts

@@ -1,9 +1,9 @@
 import { Component, Input, OnChanges, OnDestroy, OnInit, SimpleChanges } from '@angular/core';
-import { StateService } from '../../services/state.service';
+import { StateService } from '@app/services/state.service';
-import { Address, AddressTxSummary } from '../../interfaces/electrs.interface';
+import { Address, AddressTxSummary } from '@interfaces/electrs.interface';
-import { ElectrsApiService } from '../../services/electrs-api.service';
+import { ElectrsApiService } from '@app/services/electrs-api.service';
 import { Observable, Subscription, catchError, map, of, switchMap, zip } from 'rxjs';
-import { PriceService } from '../../services/price.service';
+import { PriceService } from '@app/services/price.service';
 
 @Component({
   selector: 'app-address-transactions-widget',
@@ -43,7 +43,7 @@ export class AddressTransactionsWidgetComponent implements OnInit, OnChanges, On
 
   startAddressSubscription(): void {
     this.isLoading = true;
-    if (!this.address || !this.addressInfo) {
+    if (!this.addressSummary$ && (!this.address || !this.addressInfo)) {
       return;
     }
     this.transactions$ = (this.addressSummary$ || (this.isPubkey
@@ -55,7 +55,7 @@ export class AddressTransactionsWidgetComponent implements OnInit, OnChanges, On
       })
     )).pipe(
       map(summary => {
-        return summary?.slice(0, 6);
+        return summary?.filter(tx => Math.abs(tx.value) >= 1000000)?.slice(0, 6);
       }),
       switchMap(txs => {
         return (zip(txs.map(tx => this.priceService.getBlockPrice$(tx.time, txs.length < 3, this.currency).pipe(
@@ -68,6 +68,12 @@ export class AddressTransactionsWidgetComponent implements OnInit, OnChanges, On
         ))));
       })
     );
+
+  }
+
+  getAmountDigits(value: number): string {
+    const decimals = Math.max(0, 4 - Math.ceil(Math.log10(Math.abs(value / 100_000_000))));
+    return `1.${decimals}-${decimals}`;
   }
 
   ngOnDestroy(): void {

frontend/src/app/components/address/address-preview.component.ts

@@ -1,16 +1,16 @@
 import { Component, OnInit, OnDestroy } from '@angular/core';
 import { ActivatedRoute, ParamMap } from '@angular/router';
-import { ElectrsApiService } from '../../services/electrs-api.service';
+import { ElectrsApiService } from '@app/services/electrs-api.service';
 import { switchMap, filter, catchError, map, tap } from 'rxjs/operators';
-import { Address, Transaction } from '../../interfaces/electrs.interface';
+import { Address, Transaction } from '@interfaces/electrs.interface';
-import { StateService } from '../../services/state.service';
+import { StateService } from '@app/services/state.service';
-import { OpenGraphService } from '../../services/opengraph.service';
+import { OpenGraphService } from '@app/services/opengraph.service';
-import { AudioService } from '../../services/audio.service';
+import { AudioService } from '@app/services/audio.service';
-import { ApiService } from '../../services/api.service';
+import { ApiService } from '@app/services/api.service';
 import { of, merge, Subscription, Observable } from 'rxjs';
-import { SeoService } from '../../services/seo.service';
+import { SeoService } from '@app/services/seo.service';
-import { seoDescriptionNetwork } from '../../shared/common.utils';
+import { seoDescriptionNetwork } from '@app/shared/common.utils';
-import { AddressInformation } from '../../interfaces/node-api.interface';
+import { AddressInformation } from '@interfaces/node-api.interface';
 
 @Component({
   selector: 'app-address-preview',

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

@@ -117,7 +117,7 @@
       </h2>
     </div>
 
-    <app-transactions-list [transactions]="transactions" [showConfirmations]="true" [address]="address.address" (loadMore)="loadMore()"></app-transactions-list>
+    <app-transactions-list [transactions]="transactions" [showConfirmations]="true" [addresses]="[address.address]" (loadMore)="loadMore()"></app-transactions-list>
 
     <div class="text-center">
       <ng-template [ngIf]="isLoadingTransactions">

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

@@ -1,17 +1,17 @@
 import { Component, OnInit, OnDestroy, HostListener } from '@angular/core';
 import { ActivatedRoute, ParamMap } from '@angular/router';
-import { ElectrsApiService } from '../../services/electrs-api.service';
+import { ElectrsApiService } from '@app/services/electrs-api.service';
 import { switchMap, filter, catchError, map, tap } from 'rxjs/operators';
-import { Address, ChainStats, Transaction, Utxo, Vin } from '../../interfaces/electrs.interface';
+import { Address, ChainStats, Transaction, Utxo, Vin } from '@interfaces/electrs.interface';
-import { WebsocketService } from '../../services/websocket.service';
+import { WebsocketService } from '@app/services/websocket.service';
-import { StateService } from '../../services/state.service';
+import { StateService } from '@app/services/state.service';
-import { AudioService } from '../../services/audio.service';
+import { AudioService } from '@app/services/audio.service';
-import { ApiService } from '../../services/api.service';
+import { ApiService } from '@app/services/api.service';
 import { of, merge, Subscription, Observable, forkJoin } from 'rxjs';
-import { SeoService } from '../../services/seo.service';
+import { SeoService } from '@app/services/seo.service';
-import { seoDescriptionNetwork } from '../../shared/common.utils';
+import { seoDescriptionNetwork } from '@app/shared/common.utils';
-import { AddressInformation } from '../../interfaces/node-api.interface';
+import { AddressInformation } from '@interfaces/node-api.interface';
-import { AddressTypeInfo } from '../../shared/address-utils';
+import { AddressTypeInfo } from '@app/shared/address-utils';
 
 class AddressStats implements ChainStats {
   address: string;

frontend/src/app/components/addresses-treemap/addresses-treemap.component.html

@@ -0,0 +1,10 @@
+<div class="addresses-treemap-container">
+  <div *ngIf="addresses" style="height: 300px">
+    <div *browserOnly echarts [initOpts]="chartInitOptions" [options]="chartOptions" (chartInit)="onChartInit($event)">
+    </div>
+  </div>
+
+  <div *ngIf="!stateService.isBrowser || isLoading" class="text-center loading-spinner">
+    <div class="spinner-border text-light"></div>
+  </div>
+</div>

frontend/src/app/components/addresses-treemap/addresses-treemap.component.scss

@@ -0,0 +1,17 @@
+.node-channels-container {
+  position: relative;
+}
+
+.loading-spinner {
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  width: 100%;
+  z-index: 100;
+}
+
+.spinner-border {
+  position: relative;
+  top: 225px;
+}

frontend/src/app/components/addresses-treemap/addresses-treemap.component.ts

@@ -0,0 +1,150 @@
+import { ChangeDetectionStrategy, Component, Inject, Input, LOCALE_ID, NgZone, OnChanges } from '@angular/core';
+import { Router } from '@angular/router';
+import { EChartsOption, TreemapSeriesOption } from '@app/graphs/echarts';
+import { lerpColor } from '@app/shared/graphs.utils';
+import { AmountShortenerPipe } from '@app/shared/pipes/amount-shortener.pipe';
+import { LightningApiService } from '@app/lightning/lightning-api.service';
+import { RelativeUrlPipe } from '@app/shared/pipes/relative-url/relative-url.pipe';
+import { StateService } from '@app/services/state.service';
+import { Address } from '@interfaces/electrs.interface';
+import { formatNumber } from '@angular/common';
+
+@Component({
+  selector: 'app-addresses-treemap',
+  templateUrl: './addresses-treemap.component.html',
+  styleUrls: ['./addresses-treemap.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class AddressesTreemap implements OnChanges {
+  @Input() addresses: Address[];
+  @Input() isLoading: boolean = false;
+
+  chartInstance: any;
+  chartOptions: EChartsOption = {};
+  chartInitOptions = {
+    renderer: 'svg',
+  };
+
+  constructor(
+    @Inject(LOCALE_ID) public locale: string,
+    private lightningApiService: LightningApiService,
+    private amountShortenerPipe: AmountShortenerPipe,
+    private zone: NgZone,
+    private router: Router,
+    public stateService: StateService,
+  ) {}
+
+  ngOnChanges(): void {
+    this.prepareChartOptions();
+  }
+
+  prepareChartOptions(): void {
+    const data = this.addresses.map(address => ({
+      address: address.address,
+      value: address.chain_stats.funded_txo_sum - address.chain_stats.spent_txo_sum,
+      stats: address.chain_stats,
+    }));
+    // only consider visible items for the color gradient
+    const totalValue = data.reduce((acc, address) => acc + address.value, 0);
+    const maxTxs = data.filter(address => address.value > (totalValue / 2000)).reduce((max, address) => Math.max(max, address.stats.tx_count), 0);
+    const dataItems = data.map(address => ({
+      ...address,
+      itemStyle: {
+        color: lerpColor('#1E88E5', '#D81B60', address.stats.tx_count / maxTxs),
+      }
+    }));
+    this.chartOptions = {
+      tooltip: {
+        trigger: 'item',
+        textStyle: {
+          align: 'left',
+        }
+      },
+      series: <TreemapSeriesOption[]>[
+        {
+          height: 300,
+          left: 0,
+          right: 0,
+          bottom: 0,
+          top: 0,
+          roam: false,
+          type: 'treemap',
+          data: dataItems,
+          nodeClick: 'link',
+          progressive: 100,
+          tooltip: {
+            show: true,
+            backgroundColor: 'rgba(17, 19, 31, 1)',
+            borderRadius: 4,
+            shadowColor: 'rgba(0, 0, 0, 0.5)',
+            textStyle: {
+              color: '#b1b1b1',
+            },
+            borderColor: '#000',
+            formatter: (value): string => {
+              if (!value.data.address) {
+                return '';
+              }
+              return `
+                <table style="table-layout: fixed;">
+                  <tbody>
+                    <tr>
+                      <td colspan="2"><b style="color: white; margin-left: 2px">${value.data.address}</b></td>
+                    </tr>
+                    <tr>
+                      <td>Received</td>
+                      <td style="text-align: right">${this.formatValue(value.data.stats.funded_txo_sum)}</td>
+                    </tr>
+                    <tr>
+                      <td>Sent</td>
+                      <td style="text-align: right">${this.formatValue(value.data.stats.spent_txo_sum)}</td>
+                    </tr>
+                    <tr>
+                      <td>Balance</td>
+                      <td style="text-align: right">${this.formatValue(value.data.stats.funded_txo_sum - value.data.stats.spent_txo_sum)}</td>
+                    </tr>
+                    <tr>
+                      <td>Transaction count</td>
+                      <td style="text-align: right">${value.data.stats.tx_count}</td>
+                    </tr>
+                  </tbody>
+                </table>
+              `;
+            }
+          },
+          itemStyle: {
+            borderColor: 'black',
+            borderWidth: 1,
+          },
+          breadcrumb: {
+            show: false,
+          }
+        }
+      ]
+    };    
+  }
+
+  formatValue(sats: number): string {
+    if (sats > 100000000) {
+      return formatNumber(sats / 100000000, this.locale, '1.2-2') + ' BTC';
+    } else {
+     return this.amountShortenerPipe.transform(sats, 2) + ' sats';
+    }
+  }
+
+  onChartInit(ec: any): void {
+    this.chartInstance = ec;
+
+    this.chartInstance.on('click', (e) => {
+      //@ts-ignore
+      if (!e.data.address) {
+        return;
+      }
+      this.zone.run(() => {
+        //@ts-ignore
+        const url = new RelativeUrlPipe(this.stateService).transform(`/address/${e.data.address}`);
+        this.router.navigate([url]);
+      });
+    });
+  }
+}

frontend/src/app/components/amount-selector/amount-selector.component.ts

@@ -1,7 +1,7 @@
 import { ChangeDetectionStrategy, Component, OnInit } from '@angular/core';
 import { UntypedFormBuilder, UntypedFormGroup } from '@angular/forms';
-import { StorageService } from '../../services/storage.service';
+import { StorageService } from '@app/services/storage.service';
-import { StateService } from '../../services/state.service';
+import { StateService } from '@app/services/state.service';
 
 @Component({
   selector: 'app-amount-selector',

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

@@ -1,7 +1,7 @@
 import { Component, OnInit, OnDestroy, Input, ChangeDetectionStrategy, ChangeDetectorRef } from '@angular/core';
-import { StateService } from '../../services/state.service';
+import { StateService } from '@app/services/state.service';
 import { Observable, Subscription } from 'rxjs';
-import { Price } from '../../services/price.service';
+import { Price } from '@app/services/price.service';
 
 @Component({
   selector: 'app-amount',

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

@@ -1,11 +1,11 @@
 import { Location } from '@angular/common';
 import { Component, HostListener, OnInit, Inject, LOCALE_ID, HostBinding } from '@angular/core';
 import { Router, NavigationEnd } from '@angular/router';
-import { StateService } from '../../services/state.service';
+import { StateService } from '@app/services/state.service';
-import { OpenGraphService } from '../../services/opengraph.service';
+import { OpenGraphService } from '@app/services/opengraph.service';
 import { NgbTooltipConfig } from '@ng-bootstrap/ng-bootstrap';
-import { ThemeService } from '../../services/theme.service';
+import { ThemeService } from '@app/services/theme.service';
-import { SeoService } from '../../services/seo.service';
+import { SeoService } from '@app/services/seo.service';
 
 @Component({
   selector: 'app-root',

frontend/src/app/components/asset-circulation/asset-circulation.component.ts

@@ -1,10 +1,10 @@
 import { ChangeDetectionStrategy, Component, Inject, Input, LOCALE_ID, OnInit } from '@angular/core';
 import { combineLatest, Observable } from 'rxjs';
 import { map } from 'rxjs/operators';
-import { moveDec } from '../../bitcoin.utils';
+import { moveDec } from '@app/bitcoin.utils';
-import { AssetsService } from '../../services/assets.service';
+import { AssetsService } from '@app/services/assets.service';
-import { ElectrsApiService } from '../../services/electrs-api.service';
+import { ElectrsApiService } from '@app/services/electrs-api.service';
-import { environment } from '../../../environments/environment';
+import { environment } from '@environments/environment';
 
 @Component({
   selector: 'app-asset-circulation',

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

@@ -1,17 +1,17 @@
 import { Component, OnInit, OnDestroy } from '@angular/core';
 import { ActivatedRoute, ParamMap } from '@angular/router';
-import { ElectrsApiService } from '../../services/electrs-api.service';
+import { ElectrsApiService } from '@app/services/electrs-api.service';
 import { switchMap, filter, catchError, take } from 'rxjs/operators';
-import { Asset, Transaction } from '../../interfaces/electrs.interface';
+import { Asset, Transaction } from '@interfaces/electrs.interface';
-import { WebsocketService } from '../../services/websocket.service';
+import { WebsocketService } from '@app/services/websocket.service';
-import { StateService } from '../../services/state.service';
+import { StateService } from '@app/services/state.service';
-import { AudioService } from '../../services/audio.service';
+import { AudioService } from '@app/services/audio.service';
-import { ApiService } from '../../services/api.service';
+import { ApiService } from '@app/services/api.service';
 import { of, merge, Subscription, combineLatest } from 'rxjs';
-import { SeoService } from '../../services/seo.service';
+import { SeoService } from '@app/services/seo.service';
-import { environment } from '../../../environments/environment';
+import { environment } from '@environments/environment';
-import { AssetsService } from '../../services/assets.service';
+import { AssetsService } from '@app/services/assets.service';
-import { moveDec } from '../../bitcoin.utils';
+import { moveDec } from '@app/bitcoin.utils';
 
 @Component({
   selector: 'app-asset',

frontend/src/app/components/assets/asset-group/asset-group.component.ts

@@ -2,8 +2,8 @@ import { Component, OnInit } from '@angular/core';
 import { ActivatedRoute, ParamMap } from '@angular/router';
 import { combineLatest, Observable } from 'rxjs';
 import { map, switchMap } from 'rxjs/operators';
-import { ApiService } from '../../../services/api.service';
+import { ApiService } from '@app/services/api.service';
-import { AssetsService } from '../../../services/assets.service';
+import { AssetsService } from '@app/services/assets.service';
 
 @Component({
   selector: 'app-asset-group',

frontend/src/app/components/assets/assets-featured/assets-featured.component.ts

@@ -1,7 +1,7 @@
 import { Component, OnInit } from '@angular/core';
 import { Observable } from 'rxjs';
-import { ApiService } from '../../../services/api.service';
+import { ApiService } from '@app/services/api.service';
-import { StateService } from '../../../services/state.service';
+import { StateService } from '@app/services/state.service';
 
 @Component({
   selector: 'app-assets-featured',

frontend/src/app/components/assets/assets-nav/assets-nav.component.ts

@@ -4,12 +4,12 @@ import { Router } from '@angular/router';
 import { NgbTypeahead } from '@ng-bootstrap/ng-bootstrap';
 import { merge, Observable, of, Subject } from 'rxjs';
 import { distinctUntilChanged, filter, map, switchMap } from 'rxjs/operators';
-import { AssetExtended } from '../../../interfaces/electrs.interface';
+import { AssetExtended } from '@interfaces/electrs.interface';
-import { AssetsService } from '../../../services/assets.service';
+import { AssetsService } from '@app/services/assets.service';
-import { SeoService } from '../../../services/seo.service';
+import { SeoService } from '@app/services/seo.service';
-import { StateService } from '../../../services/state.service';
+import { StateService } from '@app/services/state.service';
-import { RelativeUrlPipe } from '../../../shared/pipes/relative-url/relative-url.pipe';
+import { RelativeUrlPipe } from '@app/shared/pipes/relative-url/relative-url.pipe';
-import { environment } from '../../../../environments/environment';
+import { environment } from '@environments/environment';
 
 @Component({
   selector: 'app-assets-nav',

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

@@ -1,13 +1,13 @@
 import { Component, OnInit, ChangeDetectionStrategy } from '@angular/core';
-import { AssetsService } from '../../services/assets.service';
+import { AssetsService } from '@app/services/assets.service';
-import { environment } from '../../../environments/environment';
+import { environment } from '@environments/environment';
 import { UntypedFormGroup } from '@angular/forms';
 import { filter, map, switchMap, take } from 'rxjs/operators';
 import { ActivatedRoute, Router } from '@angular/router';
 import { combineLatest, Observable } from 'rxjs';
-import { AssetExtended } from '../../interfaces/electrs.interface';
+import { AssetExtended } from '@interfaces/electrs.interface';
-import { SeoService } from '../../services/seo.service';
+import { SeoService } from '@app/services/seo.service';
-import { StateService } from '../../services/state.service';
+import { StateService } from '@app/services/state.service';
 
 @Component({
   selector: 'app-assets',

frontend/src/app/components/balance-widget/balance-widget.component.html

@@ -4,10 +4,10 @@
       <div class="item">
         <h5 class="card-title" i18n="dashboard.btc-holdings">BTC Holdings</h5>
         <div class="card-text">
-          {{ ((addressInfo.chain_stats.funded_txo_sum - addressInfo.chain_stats.spent_txo_sum) / 100_000_000) | number: '1.2-2' }} <span class="symbol" i18n="shared.btc|BTC">BTC</span>
+          {{ ((total) / 100_000_000) | number: '1.2-2' }} <span class="symbol" i18n="shared.btc|BTC">BTC</span>
         </div>
         <div class="symbol">
-          <app-fiat [value]="(addressInfo.chain_stats.funded_txo_sum - addressInfo.chain_stats.spent_txo_sum)"></app-fiat>
+          <app-fiat [value]="(total)"></app-fiat>
         </div>
       </div>
       <div class="item">

frontend/src/app/components/balance-widget/balance-widget.component.ts

@@ -1,7 +1,7 @@
 import { ChangeDetectionStrategy, ChangeDetectorRef, Component, Input, OnChanges, OnInit, SimpleChanges } from '@angular/core';
-import { StateService } from '../../services/state.service';
+import { StateService } from '@app/services/state.service';
-import { Address, AddressTxSummary } from '../../interfaces/electrs.interface';
+import { Address, AddressTxSummary } from '@interfaces/electrs.interface';
-import { ElectrsApiService } from '../../services/electrs-api.service';
+import { ElectrsApiService } from '@app/services/electrs-api.service';
 import { Observable, catchError, of } from 'rxjs';
 
 @Component({
@@ -19,6 +19,7 @@ export class BalanceWidgetComponent implements OnInit, OnChanges {
   isLoading: boolean = true;
   error: any;
 
+  total: number = 0;
   delta7d: number = 0;
   delta30d: number = 0;
 
@@ -34,7 +35,7 @@ export class BalanceWidgetComponent implements OnInit, OnChanges {
 
   ngOnChanges(changes: SimpleChanges): void {
     this.isLoading = true;
-    if (!this.address || !this.addressInfo) {
+    if (!this.addressSummary$ && (!this.address || !this.addressInfo)) {
       return;
     }
     (this.addressSummary$ || (this.isPubkey
@@ -57,6 +58,7 @@ export class BalanceWidgetComponent implements OnInit, OnChanges {
   calculateStats(summary: AddressTxSummary[]): void {
     let weekTotal = 0;
     let monthTotal = 0;
+    this.total = this.addressInfo ? this.addressInfo.chain_stats.funded_txo_sum - this.addressInfo.chain_stats.spent_txo_sum : summary.reduce((acc, tx) => acc + tx.value, 0);
 
     const weekAgo = (new Date(new Date().setHours(0, 0, 0, 0) - (7 * 24 * 60 * 60 * 1000)).getTime()) / 1000;
     const monthAgo = (new Date(new Date().setHours(0, 0, 0, 0) - (30 * 24 * 60 * 60 * 1000)).getTime()) / 1000;

frontend/src/app/components/bitcoin-invoice/bitcoin-invoice.component.ts

@@ -4,7 +4,7 @@ import { DomSanitizer, SafeUrl } from '@angular/platform-browser';
 import { ActivatedRoute } from '@angular/router';
 import { Subscription, of, timer } from 'rxjs';
 import { filter, repeat, retry, switchMap, take, tap } from 'rxjs/operators';
-import { ServicesApiServices } from '../../services/services-api.service';
+import { ServicesApiServices } from '@app/services/services-api.service';
 
 @Component({
   selector: 'app-bitcoin-invoice',

frontend/src/app/components/block-fee-rates-graph/block-fee-rates-graph.component.ts

@@ -1,17 +1,17 @@
 import { ChangeDetectionStrategy, ChangeDetectorRef, Component, Inject, Input, LOCALE_ID, NgZone, OnInit } from '@angular/core';
-import { echarts, EChartsOption } from '../../graphs/echarts';
+import { echarts, EChartsOption } from '@app/graphs/echarts';
 import { Observable, combineLatest, of } from 'rxjs';
 import { map, share, startWith, switchMap, tap } from 'rxjs/operators';
-import { ApiService } from '../../services/api.service';
+import { ApiService } from '@app/services/api.service';
-import { SeoService } from '../../services/seo.service';
+import { SeoService } from '@app/services/seo.service';
 import { formatNumber } from '@angular/common';
 import { UntypedFormBuilder, UntypedFormGroup } from '@angular/forms';
-import { download, formatterXAxis, formatterXAxisLabel, formatterXAxisTimeCategory } from '../../shared/graphs.utils';
+import { download, formatterXAxis, formatterXAxisLabel, formatterXAxisTimeCategory } from '@app/shared/graphs.utils';
-import { StorageService } from '../../services/storage.service';
+import { StorageService } from '@app/services/storage.service';
-import { MiningService } from '../../services/mining.service';
+import { MiningService } from '@app/services/mining.service';
-import { selectPowerOfTen } from '../../bitcoin.utils';
+import { selectPowerOfTen } from '@app/bitcoin.utils';
-import { RelativeUrlPipe } from '../../shared/pipes/relative-url/relative-url.pipe';
+import { RelativeUrlPipe } from '@app/shared/pipes/relative-url/relative-url.pipe';
-import { StateService } from '../../services/state.service';
+import { StateService } from '@app/services/state.service';
 import { ActivatedRoute, Router } from '@angular/router';
 
 @Component({

frontend/src/app/components/block-fees-graph/block-fees-graph.component.ts

@@ -1,18 +1,18 @@
 import { ChangeDetectionStrategy, Component, Inject, Input, LOCALE_ID, OnInit } from '@angular/core';
-import { echarts, EChartsOption } from '../../graphs/echarts';
+import { echarts, EChartsOption } from '@app/graphs/echarts';
 import { Observable } from 'rxjs';
 import { map, share, startWith, switchMap, tap } from 'rxjs/operators';
-import { ApiService } from '../../services/api.service';
+import { ApiService } from '@app/services/api.service';
-import { SeoService } from '../../services/seo.service';
+import { SeoService } from '@app/services/seo.service';
 import { formatNumber } from '@angular/common';
 import { UntypedFormBuilder, UntypedFormGroup } from '@angular/forms';
-import { download, formatterXAxis } from '../../shared/graphs.utils';
+import { download, formatterXAxis } from '@app/shared/graphs.utils';
-import { StorageService } from '../../services/storage.service';
+import { StorageService } from '@app/services/storage.service';
-import { MiningService } from '../../services/mining.service';
+import { MiningService } from '@app/services/mining.service';
 import { ActivatedRoute } from '@angular/router';
-import { FiatShortenerPipe } from '../../shared/pipes/fiat-shortener.pipe';
+import { FiatShortenerPipe } from '@app/shared/pipes/fiat-shortener.pipe';
-import { FiatCurrencyPipe } from '../../shared/pipes/fiat-currency.pipe';
+import { FiatCurrencyPipe } from '@app/shared/pipes/fiat-currency.pipe';
-import { StateService } from '../../services/state.service';
+import { StateService } from '@app/services/state.service';
 
 @Component({
   selector: 'app-block-fees-graph',

frontend/src/app/components/block-fees-subsidy-graph/block-fees-subsidy-graph.component.ts

@@ -1,19 +1,19 @@
 import { ChangeDetectionStrategy, ChangeDetectorRef, Component, HostListener, Inject, Input, LOCALE_ID, NgZone, OnInit } from '@angular/core';
-import { EChartsOption } from '../../graphs/echarts';
+import { EChartsOption } from '@app/graphs/echarts';
 import { Observable } from 'rxjs';
 import { catchError, map, share, startWith, switchMap, tap } from 'rxjs/operators';
-import { ApiService } from '../../services/api.service';
+import { ApiService } from '@app/services/api.service';
-import { SeoService } from '../../services/seo.service';
+import { SeoService } from '@app/services/seo.service';
 import { formatNumber } from '@angular/common';
 import { UntypedFormBuilder, UntypedFormGroup } from '@angular/forms';
-import { download, formatterXAxis } from '../../shared/graphs.utils';
+import { download, formatterXAxis } from '@app/shared/graphs.utils';
 import { ActivatedRoute, Router } from '@angular/router';
-import { FiatShortenerPipe } from '../../shared/pipes/fiat-shortener.pipe';
+import { FiatShortenerPipe } from '@app/shared/pipes/fiat-shortener.pipe';
-import { FiatCurrencyPipe } from '../../shared/pipes/fiat-currency.pipe';
+import { FiatCurrencyPipe } from '@app/shared/pipes/fiat-currency.pipe';
-import { StateService } from '../../services/state.service';
+import { StateService } from '@app/services/state.service';
-import { MiningService } from '../../services/mining.service';
+import { MiningService } from '@app/services/mining.service';
-import { StorageService } from '../../services/storage.service';
+import { StorageService } from '@app/services/storage.service';
-import { RelativeUrlPipe } from '../../shared/pipes/relative-url/relative-url.pipe';
+import { RelativeUrlPipe } from '@app/shared/pipes/relative-url/relative-url.pipe';
 
 @Component({
   selector: 'app-block-fees-subsidy-graph',

frontend/src/app/components/block-filters/block-filters.component.ts

@@ -1,6 +1,6 @@
 import { Component, EventEmitter, Output, HostListener, Input, ChangeDetectorRef, OnChanges, SimpleChanges, OnInit, OnDestroy } from '@angular/core';
-import { ActiveFilter, FilterGroups, FilterMode, GradientMode, TransactionFilters } from '../../shared/filters.utils';
+import { ActiveFilter, FilterGroups, FilterMode, GradientMode, TransactionFilters } from '@app/shared/filters.utils';
-import { StateService } from '../../services/state.service';
+import { StateService } from '@app/services/state.service';
 import { Subscription } from 'rxjs';
 
 

frontend/src/app/components/block-health-graph/block-health-graph.component.ts

@@ -1,16 +1,16 @@
 import { ChangeDetectionStrategy, Component, Inject, Input, LOCALE_ID, NgZone, OnInit } from '@angular/core';
-import { EChartsOption } from '../../graphs/echarts';
+import { EChartsOption } from '@app/graphs/echarts';
 import { Observable } from 'rxjs';
 import { map, share, startWith, switchMap, tap } from 'rxjs/operators';
-import { ApiService } from '../../services/api.service';
+import { ApiService } from '@app/services/api.service';
-import { SeoService } from '../../services/seo.service';
+import { SeoService } from '@app/services/seo.service';
 import { formatNumber } from '@angular/common';
 import { UntypedFormBuilder, UntypedFormGroup } from '@angular/forms';
-import { download, formatterXAxis, formatterXAxisLabel, formatterXAxisTimeCategory } from '../../shared/graphs.utils';
+import { download, formatterXAxis, formatterXAxisLabel, formatterXAxisTimeCategory } from '@app/shared/graphs.utils';
-import { StorageService } from '../../services/storage.service';
+import { StorageService } from '@app/services/storage.service';
 import { ActivatedRoute, Router } from '@angular/router';
-import { RelativeUrlPipe } from '../../shared/pipes/relative-url/relative-url.pipe';
+import { RelativeUrlPipe } from '@app/shared/pipes/relative-url/relative-url.pipe';
-import { StateService } from '../../services/state.service';
+import { StateService } from '@app/services/state.service';
 
 @Component({
   selector: 'app-block-health-graph',

frontend/src/app/components/block-overview-graph/block-overview-graph.component.ts

@@ -1,17 +1,17 @@
 import { Component, ElementRef, ViewChild, HostListener, Input, Output, EventEmitter, NgZone, AfterViewInit, OnDestroy, OnChanges } from '@angular/core';
-import { TransactionStripped } from '../../interfaces/node-api.interface';
+import { TransactionStripped } from '@interfaces/node-api.interface';
-import { FastVertexArray } from './fast-vertex-array';
+import { FastVertexArray } from '@components/block-overview-graph/fast-vertex-array';
-import BlockScene from './block-scene';
+import BlockScene from '@components/block-overview-graph/block-scene';
-import TxSprite from './tx-sprite';
+import TxSprite from '@components/block-overview-graph/tx-sprite';
-import TxView from './tx-view';
+import TxView from '@components/block-overview-graph/tx-view';
-import { Color, Position } from './sprite-types';
+import { Color, Position } from '@components/block-overview-graph/sprite-types';
-import { Price } from '../../services/price.service';
+import { Price } from '@app/services/price.service';
-import { StateService } from '../../services/state.service';
+import { StateService } from '@app/services/state.service';
-import { ThemeService } from '../../services/theme.service';
+import { ThemeService } from '@app/services/theme.service';
 import { Subscription } from 'rxjs';
-import { defaultColorFunction, setOpacity, defaultAuditColors, defaultColors, ageColorFunction, contrastColorFunction, contrastAuditColors, contrastColors } from './utils';
+import { defaultColorFunction, setOpacity, defaultAuditColors, defaultColors, ageColorFunction, contrastColorFunction, contrastAuditColors, contrastColors } from '@components/block-overview-graph/utils';
-import { ActiveFilter, FilterMode, toFlags } from '../../shared/filters.utils';
+import { ActiveFilter, FilterMode, toFlags } from '@app/shared/filters.utils';
-import { detectWebGL } from '../../shared/graphs.utils';
+import { detectWebGL } from '@app/shared/graphs.utils';
 
 const unmatchedOpacity = 0.2;
 const unmatchedAuditColors = {

frontend/src/app/components/block-overview-graph/block-scene.ts

@@ -1,9 +1,9 @@
-import { FastVertexArray } from './fast-vertex-array';
+import { FastVertexArray } from '@components/block-overview-graph/fast-vertex-array';
-import TxView from './tx-view';
+import TxView from '@components/block-overview-graph/tx-view';
-import { TransactionStripped } from '../../interfaces/node-api.interface';
+import { TransactionStripped } from '@interfaces/node-api.interface';
-import { Color, Position, Square, ViewUpdateParams } from './sprite-types';
+import { Color, Position, Square, ViewUpdateParams } from '@components/block-overview-graph/sprite-types';
-import { defaultColorFunction, contrastColorFunction } from './utils';
+import { defaultColorFunction, contrastColorFunction } from '@components/block-overview-graph/utils';
-import { ThemeService } from '../../services/theme.service';
+import { ThemeService } from '@app/services/theme.service';
 
 export default class BlockScene {
   scene: { count: number, offset: { x: number, y: number}};

frontend/src/app/components/block-overview-graph/fast-vertex-array.ts

@@ -8,7 +8,7 @@
   or compacting into a smaller Float32Array when there's space to do so.
 */
 
-import TxSprite from './tx-sprite';
+import TxSprite from '@components/block-overview-graph/tx-sprite';
 
 export class FastVertexArray {
   length: number;

frontend/src/app/components/block-overview-graph/tx-sprite.ts

@@ -1,5 +1,5 @@
-import { FastVertexArray } from './fast-vertex-array';
+import { FastVertexArray } from '@components/block-overview-graph/fast-vertex-array';
-import { InterpolatedAttribute, Attributes, OptionalAttributes, SpriteUpdateParams, Update } from './sprite-types';
+import { InterpolatedAttribute, Attributes, OptionalAttributes, SpriteUpdateParams, Update } from '@components/block-overview-graph/sprite-types';
 
 const attribKeys = ['a', 'b', 't', 'v'];
 const updateKeys = ['x', 'y', 's', 'r', 'g', 'b', 'a'];

frontend/src/app/components/block-overview-graph/tx-view.ts

@@ -1,10 +1,10 @@
-import TxSprite from './tx-sprite';
+import TxSprite from '@components/block-overview-graph/tx-sprite';
-import { FastVertexArray } from './fast-vertex-array';
+import { FastVertexArray } from '@components/block-overview-graph/fast-vertex-array';
-import { SpriteUpdateParams, Square, Color, ViewUpdateParams } from './sprite-types';
+import { SpriteUpdateParams, Square, Color, ViewUpdateParams } from '@components/block-overview-graph/sprite-types';
-import { hexToColor } from './utils';
+import { hexToColor } from '@components/block-overview-graph/utils';
-import BlockScene from './block-scene';
+import BlockScene from '@components/block-overview-graph/block-scene';
-import { TransactionStripped } from '../../interfaces/node-api.interface';
+import { TransactionStripped } from '@interfaces/node-api.interface';
-import { TransactionFlags } from '../../shared/filters.utils';
+import { TransactionFlags } from '@app/shared/filters.utils';
 
 const hoverTransitionTime = 300;
 const defaultHoverColor = hexToColor('1bd8f4');

frontend/src/app/components/block-overview-graph/utils.ts

@@ -1,6 +1,6 @@
-import { feeLevels, defaultMempoolFeeColors, contrastMempoolFeeColors } from '../../app.constants';
+import { feeLevels, defaultMempoolFeeColors, contrastMempoolFeeColors } from '@app/app.constants';
-import { Color } from './sprite-types';
+import { Color } from '@components/block-overview-graph/sprite-types';
-import TxView from './tx-view';
+import TxView from '@components/block-overview-graph/tx-view';
 
 export function hexToColor(hex: string): Color {
   return {

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

@@ -1,9 +1,9 @@
 import { Component, ElementRef, ViewChild, Input, OnChanges, ChangeDetectionStrategy, ChangeDetectorRef } from '@angular/core';
-import { Position } from '../../components/block-overview-graph/sprite-types.js';
+import { Position } from '@components/block-overview-graph/sprite-types.js';
-import { Price } from '../../services/price.service';
+import { Price } from '@app/services/price.service';
-import { TransactionStripped } from '../../interfaces/node-api.interface.js';
+import { TransactionStripped } from '@interfaces/node-api.interface.js';
-import { Filter, FilterMode, TransactionFlags, toFilters } from '../../shared/filters.utils';
+import { Filter, FilterMode, TransactionFlags, toFilters } from '@app/shared/filters.utils';
-import { Block } from '../../interfaces/electrs.interface.js';
+import { Block } from '@interfaces/electrs.interface.js';
 
 @Component({
   selector: 'app-block-overview-tooltip',