[indexing] initialize currentSha before hiting github

[accelerator] add credit card provider fa icons

.github/workflows/ci.yml

@@ -251,17 +251,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        module: ["mempool", "liquid"]
-        include:
-          - module: "mempool"
-            spec: |
-              cypress/e2e/mainnet/*.spec.ts
-              cypress/e2e/signet/*.spec.ts
-              cypress/e2e/testnet4/*.spec.ts
-          - module: "liquid"
-            spec: |
-              cypress/e2e/liquid/liquid.spec.ts
-              cypress/e2e/liquidtestnet/liquidtestnet.spec.ts
+        module: ["mempool", "liquid", "testnet4"]
 
     name: E2E tests for ${{ matrix.module }}
     steps:
@@ -310,8 +300,10 @@ jobs:
 
       - name: Unzip assets before building (src/resources)
         run: unzip -o promo-video-assets.zip -d ${{ matrix.module }}/frontend/src/resources/promo-video
-      
+
+      # mempool
       - name: Chrome browser tests (${{ matrix.module }})
+        if: ${{ matrix.module == 'mempool' }}
         uses: cypress-io/github-action@v5
         with:
           tag: ${{ github.event_name }}
@@ -322,7 +314,9 @@ jobs:
           wait-on-timeout: 120
           record: true
           parallel: true
-          spec: ${{ matrix.spec }}
+          spec: |
+            cypress/e2e/mainnet/*.spec.ts
+            cypress/e2e/signet/*.spec.ts
           group: Tests on Chrome (${{ matrix.module }})
           browser: "chrome"
           ci-build-id: "${{ github.sha }}-${{ github.workflow }}-${{ github.event_name }}"
@@ -332,6 +326,56 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           CYPRESS_PROJECT_ID: ${{ secrets.CYPRESS_PROJECT_ID }}
 
+      # liquid
+      - name: Chrome browser tests (${{ matrix.module }})
+        if: ${{ matrix.module == 'liquid' }}
+        uses: cypress-io/github-action@v5
+        with:
+          tag: ${{ github.event_name }}
+          working-directory: ${{ matrix.module }}/frontend
+          build: npm run config:defaults:${{ matrix.module }}
+          start: npm run start:local-staging
+          wait-on: "http://localhost:4200"
+          wait-on-timeout: 120
+          record: true
+          parallel: true
+          spec: |
+            cypress/e2e/liquid/liquid.spec.ts
+            cypress/e2e/liquidtestnet/liquidtestnet.spec.ts
+          group: Tests on Chrome (${{ matrix.module }})
+          browser: "chrome"
+          ci-build-id: "${{ github.sha }}-${{ github.workflow }}-${{ github.event_name }}"
+        env:
+          COMMIT_INFO_MESSAGE: ${{ github.event.pull_request.title }}
+          CYPRESS_RECORD_KEY: ${{ secrets.CYPRESS_RECORD_KEY }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          CYPRESS_PROJECT_ID: ${{ secrets.CYPRESS_PROJECT_ID }}
+
+      # testnet
+      - name: Chrome browser tests (${{ matrix.module }})
+        if: ${{ matrix.module == 'testnet4' }}
+        uses: cypress-io/github-action@v5
+        with:
+          tag: ${{ github.event_name }}
+          working-directory: ${{ matrix.module }}/frontend
+          build: npm run config:defaults:mempool
+          start: npm run start:local-staging
+          wait-on: "http://localhost:4200"
+          wait-on-timeout: 120
+          record: true
+          parallel: true
+          spec: |
+            cypress/e2e/testnet4/*.spec.ts
+          group: Tests on Chrome (${{ matrix.module }})
+          browser: "chrome"
+          ci-build-id: "${{ github.sha }}-${{ github.workflow }}-${{ github.event_name }}"
+        env:
+          CYPRESS_REROUTE_TESTNET: true
+          COMMIT_INFO_MESSAGE: ${{ github.event.pull_request.title }}
+          CYPRESS_RECORD_KEY: ${{ secrets.CYPRESS_RECORD_KEY }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          CYPRESS_PROJECT_ID: ${{ secrets.CYPRESS_PROJECT_ID }}
+
   validate_docker_json:
     if: "!contains(github.event.pull_request.labels.*.name, 'ops') && !contains(github.head_ref, 'ops/')"
     runs-on: "ubuntu-latest"
@@ -359,4 +403,4 @@ jobs:
       - name: Validate JSON syntax
         run: |
           cat mempool-config.json | jq
-        working-directory: docker/docker/backend
+        working-directory: docker/docker/backend

backend/jest.config.ts

@@ -7,7 +7,7 @@ const config: Config.InitialOptions = {
   automock: false,
   collectCoverage: true,
   collectCoverageFrom: ["./src/**/**.ts"],
-  coverageProvider: "babel",
+  coverageProvider: "v8",
   coverageThreshold: {
     global: {
       lines: 1

backend/mempool-config.sample.json

@@ -155,6 +155,10 @@
     "API": "https://mempool.space/api/v1/services",
     "ACCELERATIONS": false
   },
+  "STRATUM": {
+    "ENABLED": false,
+    "API": "http://localhost:1234"
+  },
   "FIAT_PRICE": {
     "ENABLED": true,
     "PAID": false,

backend/package-lock.json

@@ -10,7 +10,6 @@
       "hasInstallScript": true,
       "license": "GNU Affero General Public License v3.0",
       "dependencies": {
-        "@babel/core": "^7.25.2",
         "@mempool/electrum-client": "1.1.9",
         "@types/node": "^18.15.3",
         "axios": "1.7.2",
@@ -18,7 +17,7 @@
         "crypto-js": "~4.2.0",
         "express": "~4.21.1",
         "maxmind": "~4.3.11",
-        "mysql2": "~3.11.0",
+        "mysql2": "~3.12.0",
         "redis": "^4.7.0",
         "rust-gbt": "file:./rust-gbt",
         "socks-proxy-agent": "~7.0.0",
@@ -26,8 +25,6 @@
         "ws": "~8.18.0"
       },
       "devDependencies": {
-        "@babel/code-frame": "^7.18.6",
-        "@babel/core": "^7.25.2",
         "@types/compression": "^1.7.2",
         "@types/crypto-js": "^4.1.1",
         "@types/express": "^4.17.17",
@@ -6000,6 +5997,21 @@
         "yallist": "^3.0.2"
       }
     },
+    "node_modules/lru.min": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/lru.min/-/lru.min-1.1.1.tgz",
+      "integrity": "sha512-FbAj6lXil6t8z4z3j0E5mfRlPzxkySotzUHwRXjlpRh10vc6AI6WN62ehZj82VG7M20rqogJ0GLwar2Xa05a8Q==",
+      "license": "MIT",
+      "engines": {
+        "bun": ">=1.0.0",
+        "deno": ">=1.30.0",
+        "node": ">=8.0.0"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/wellwelwel"
+      }
+    },
     "node_modules/make-dir": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/make-dir/-/make-dir-3.1.0.tgz",
@@ -6161,16 +6173,17 @@
       "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
     },
     "node_modules/mysql2": {
-      "version": "3.11.0",
-      "resolved": "https://registry.npmjs.org/mysql2/-/mysql2-3.11.0.tgz",
-      "integrity": "sha512-J9phbsXGvTOcRVPR95YedzVSxJecpW5A5+cQ57rhHIFXteTP10HCs+VBjS7DHIKfEaI1zQ5tlVrquCd64A6YvA==",
+      "version": "3.12.0",
+      "resolved": "https://registry.npmjs.org/mysql2/-/mysql2-3.12.0.tgz",
+      "integrity": "sha512-C8fWhVysZoH63tJbX8d10IAoYCyXy4fdRFz2Ihrt9jtPILYynFEKUUzpp1U7qxzDc3tMbotvaBH+sl6bFnGZiw==",
+      "license": "MIT",
       "dependencies": {
         "aws-ssl-profiles": "^1.1.1",
         "denque": "^2.1.0",
         "generate-function": "^2.3.1",
         "iconv-lite": "^0.6.3",
         "long": "^5.2.1",
-        "lru-cache": "^8.0.0",
+        "lru.min": "^1.0.0",
         "named-placeholders": "^1.1.3",
         "seq-queue": "^0.0.5",
         "sqlstring": "^2.3.2"
@@ -6190,14 +6203,6 @@
         "node": ">=0.10.0"
       }
     },
-    "node_modules/mysql2/node_modules/lru-cache": {
-      "version": "8.0.5",
-      "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-8.0.5.tgz",
-      "integrity": "sha512-MhWWlVnuab1RG5/zMRRcVGXZLCXrZTgfwMikgzCegsPnG62yDQo5JnqKkrK4jO5iKqDAZGItAqN5CtKBCBWRUA==",
-      "engines": {
-        "node": ">=16.14"
-      }
-    },
     "node_modules/named-placeholders": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/named-placeholders/-/named-placeholders-1.1.3.tgz",
@@ -12213,6 +12218,11 @@
         "yallist": "^3.0.2"
       }
     },
+    "lru.min": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/lru.min/-/lru.min-1.1.1.tgz",
+      "integrity": "sha512-FbAj6lXil6t8z4z3j0E5mfRlPzxkySotzUHwRXjlpRh10vc6AI6WN62ehZj82VG7M20rqogJ0GLwar2Xa05a8Q=="
+    },
     "make-dir": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/make-dir/-/make-dir-3.1.0.tgz",
@@ -12327,16 +12337,16 @@
       "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
     },
     "mysql2": {
-      "version": "3.11.0",
-      "resolved": "https://registry.npmjs.org/mysql2/-/mysql2-3.11.0.tgz",
-      "integrity": "sha512-J9phbsXGvTOcRVPR95YedzVSxJecpW5A5+cQ57rhHIFXteTP10HCs+VBjS7DHIKfEaI1zQ5tlVrquCd64A6YvA==",
+      "version": "3.12.0",
+      "resolved": "https://registry.npmjs.org/mysql2/-/mysql2-3.12.0.tgz",
+      "integrity": "sha512-C8fWhVysZoH63tJbX8d10IAoYCyXy4fdRFz2Ihrt9jtPILYynFEKUUzpp1U7qxzDc3tMbotvaBH+sl6bFnGZiw==",
       "requires": {
         "aws-ssl-profiles": "^1.1.1",
         "denque": "^2.1.0",
         "generate-function": "^2.3.1",
         "iconv-lite": "^0.6.3",
         "long": "^5.2.1",
-        "lru-cache": "^8.0.0",
+        "lru.min": "^1.0.0",
         "named-placeholders": "^1.1.3",
         "seq-queue": "^0.0.5",
         "sqlstring": "^2.3.2"
@@ -12349,11 +12359,6 @@
           "requires": {
             "safer-buffer": ">= 2.1.2 < 3.0.0"
           }
-        },
-        "lru-cache": {
-          "version": "8.0.5",
-          "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-8.0.5.tgz",
-          "integrity": "sha512-MhWWlVnuab1RG5/zMRRcVGXZLCXrZTgfwMikgzCegsPnG62yDQo5JnqKkrK4jO5iKqDAZGItAqN5CtKBCBWRUA=="
         }
       }
     },

backend/package.json

@@ -39,7 +39,6 @@
     "prettier": "./node_modules/.bin/prettier --write \"src/**/*.{js,ts}\""
   },
   "dependencies": {
-    "@babel/core": "^7.25.2",
     "@mempool/electrum-client": "1.1.9",
     "@types/node": "^18.15.3",
     "axios": "1.7.2",
@@ -47,7 +46,7 @@
     "crypto-js": "~4.2.0",
     "express": "~4.21.1",
     "maxmind": "~4.3.11",
-    "mysql2": "~3.11.0",
+    "mysql2": "~3.12.0",
     "rust-gbt": "file:./rust-gbt",
     "redis": "^4.7.0",
     "socks-proxy-agent": "~7.0.0",
@@ -55,8 +54,6 @@
     "ws": "~8.18.0"
   },
   "devDependencies": {
-    "@babel/code-frame": "^7.18.6",
-    "@babel/core": "^7.25.2",
     "@types/compression": "^1.7.2",
     "@types/crypto-js": "^4.1.1",
     "@types/express": "^4.17.17",

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

@@ -151,5 +151,9 @@
     "ENABLED": true,
     "PAID": false,
     "API_KEY": "__MEMPOOL_CURRENCY_API_KEY__"
+  },
+  "STRATUM": {
+    "ENABLED": false,
+    "API": "http://localhost:1234"
   }
 }

backend/src/__tests__/config.test.ts

@@ -159,6 +159,11 @@ describe('Mempool Backend Config', () => {
         PAID: false,
         API_KEY: '',
       });
+
+      expect(config.STRATUM).toStrictEqual({
+        ENABLED: false,
+        API: 'http://localhost:1234',
+      });
     });
   });
 

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

@@ -21,6 +21,7 @@ import transactionRepository from '../../repositories/TransactionRepository';
 import rbfCache from '../rbf-cache';
 import { calculateMempoolTxCpfp } from '../cpfp';
 import { handleError } from '../../utils/api';
+import poolsUpdater from '../../tasks/pools-updater';
 
 const TXID_REGEX = /^[a-f0-9]{64}$/i;
 const BLOCK_HASH_REGEX = /^[a-f0-9]{64}$/i;
@@ -56,6 +57,10 @@ class BitcoinRoutes {
       .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)
+      // Internal routes
+      .get(config.MEMPOOL.API_URL_PREFIX + 'internal/blocks/definition/list', this.getBlockDefinitionHashes)
+      .get(config.MEMPOOL.API_URL_PREFIX + 'internal/blocks/definition/current', this.getCurrentBlockDefinitionHash)
+      .get(config.MEMPOOL.API_URL_PREFIX + 'internal/blocks/:definitionHash', this.getBlocksByDefinitionHash)
       ;
 
       if (config.MEMPOOL.BACKEND !== 'esplora') {
@@ -739,6 +744,52 @@ class BitcoinRoutes {
     }
   }
 
+  private async getBlockDefinitionHashes(req: Request, res: Response): Promise<void> {
+    try {
+      const result = await blocks.$getBlockDefinitionHashes();
+      if (!result) {
+        handleError(req, res, 503, `Service Temporarily Unavailable`);
+        return;
+      }
+      res.setHeader('content-type', 'application/json');
+      res.send(result);
+    } catch (e) {
+      handleError(req, res, 500, e instanceof Error ? e.message : e);
+    }
+  }
+
+  private async getCurrentBlockDefinitionHash(req: Request, res: Response): Promise<void> {
+    try {
+      const currentSha = await poolsUpdater.getShaFromDb();
+      if (!currentSha) {
+        handleError(req, res, 503, `Service Temporarily Unavailable`);
+        return;
+      }
+      res.setHeader('content-type', 'text/plain');
+      res.send(currentSha);
+    } catch (e) {
+      handleError(req, res, 500, e instanceof Error ? e.message : e);
+    }
+  }
+
+  private async getBlocksByDefinitionHash(req: Request, res: Response): Promise<void> {
+    try {
+      if (typeof(req.params.definitionHash) !== 'string') {
+        res.status(400).send('Parameter "hash" must be a valid string');
+        return;
+      }
+      const blocksHash = await blocks.$getBlocksByDefinitionHash(req.params.definitionHash as string);
+      if (!blocksHash) {
+        handleError(req, res, 503, `Service Temporarily Unavailable`);
+        return;
+      }
+      res.setHeader('content-type', 'application/json');
+      res.send(blocksHash);
+    } catch (e) {
+      handleError(req, res, 500, e instanceof Error ? e.message : e);
+    }
+  }
+
   private getBlockTipHeight(req: Request, res: Response) {
     try {
       const result = blocks.getCurrentBlockHeight();

backend/src/api/blocks.ts

@@ -33,8 +33,8 @@ import AccelerationRepository from '../repositories/AccelerationRepository';
 import { calculateFastBlockCpfp, calculateGoodBlockCpfp } from './cpfp';
 import mempool from './mempool';
 import CpfpRepository from '../repositories/CpfpRepository';
-import accelerationApi from './services/acceleration';
 import { parseDATUMTemplateCreator } from '../utils/bitcoin-script';
+import database from '../database';
 
 class Blocks {
   private blocks: BlockExtended[] = [];
@@ -1462,6 +1462,36 @@ class Blocks {
       // not a fatal error, we'll try again next time the indexer runs
     }
   }
+
+  public async $getBlockDefinitionHashes(): Promise<string[] | null> {
+    try {
+      const [rows]: any = await database.query(`SELECT DISTINCT(definition_hash) FROM blocks`);
+      if (rows && Array.isArray(rows)) {
+        return rows.map(r => r.definition_hash);
+      } else {
+        logger.debug(`Unable to retreive list of blocks.definition_hash from db (no result)`);
+        return null;
+      }
+    } catch (e) {
+      logger.debug(`Unable to retreive list of blocks.definition_hash from db (exception: ${e})`);
+      return null;
+    }
+  }
+
+  public async $getBlocksByDefinitionHash(definitionHash: string): Promise<string[] | null> {
+    try {
+      const [rows]: any = await database.query(`SELECT hash FROM blocks WHERE definition_hash = ?`, [definitionHash]);
+      if (rows && Array.isArray(rows)) {
+        return rows.map(r => r.hash);
+      } else {
+        logger.debug(`Unable to retreive list of blocks for definition hash ${definitionHash} from db (no result)`);
+        return null;
+      }
+    } catch (e) {
+      logger.debug(`Unable to retreive list of blocks for definition hash ${definitionHash} from db (exception: ${e})`);
+      return null;
+    }
+  }
 }
 
 export default new 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 = 94;
+  private static currentVersion = 96;
   private queryTimeout = 3600_000;
   private statisticsAddedIndexed = false;
   private uniqueLogs: string[] = [];
@@ -1118,6 +1118,29 @@ class DatabaseMigration {
       }
       await this.updateToSchemaVersion(94);
     }
+
+    // blocks pools-v2.json hash
+    if (databaseSchemaVersion < 95) {
+      let poolJsonSha = 'f737d86571d190cf1a1a3cf5fd86b33ba9624254'; // https://github.com/mempool/mining-pools/commit/f737d86571d190cf1a1a3cf5fd86b33ba9624254
+      const [poolJsonShaDb]: any[] = await DB.query(`SELECT string FROM state WHERE name = 'pools_json_sha'`);
+      if (poolJsonShaDb?.length > 0) {
+        poolJsonSha = poolJsonShaDb[0].string;
+      }
+      await this.$executeQuery(`ALTER TABLE blocks ADD definition_hash varchar(255) NOT NULL DEFAULT "${poolJsonSha}"`);
+      await this.$executeQuery('ALTER TABLE blocks ADD INDEX `definition_hash` (`definition_hash`)');
+      await this.updateToSchemaVersion(95);
+    }
+
+    // Make definition_hash nullable
+    if (databaseSchemaVersion < 96) {
+      let poolJsonSha = '0138019f39e0f6033db576be15a4880a216c1dd0'; // https://github.com/mempool/mining-pools/commit/0138019f39e0f6033db576be15a4880a216c1dd0
+      const [poolJsonShaDb]: any[] = await DB.query(`SELECT string FROM state WHERE name = 'pools_json_sha'`);
+      if (poolJsonShaDb?.length > 0) {
+        poolJsonSha = poolJsonShaDb[0].string;
+      }
+      await this.$executeQuery(`ALTER TABLE blocks MODIFY COLUMN definition_hash varchar(255) NULL DEFAULT "${poolJsonSha}"`);
+      await this.updateToSchemaVersion(96);
+    }
   }
 
   /**

backend/src/api/pools-parser.ts

@@ -19,15 +19,6 @@ class PoolsParser {
     'addresses': '[]',
     'slug': 'unknown'
   };
-  private uniqueLogs: string[] = [];
-
-  private uniqueLog(loggerFunction: any, msg: string): void {
-    if (this.uniqueLogs.includes(msg)) {
-      return;
-    }
-    this.uniqueLogs.push(msg);
-    loggerFunction(msg);
-  }
 
   public setMiningPools(pools): void {
     for (const pool of pools) {

backend/src/api/rbf-cache.ts

@@ -119,7 +119,11 @@ class RbfCache {
 
 
   public add(replaced: MempoolTransactionExtended[], newTxExtended: MempoolTransactionExtended): void {
-    if (!newTxExtended || !replaced?.length || this.txs.has(newTxExtended.txid)) {
+    if ( !newTxExtended
+      || !replaced?.length
+      || this.txs.has(newTxExtended.txid)
+      || !(replaced.some(tx => !this.replacedBy.has(tx.txid)))
+    ) {
       return;
     }
 

backend/src/api/services/stratum.ts

@@ -0,0 +1,105 @@
+import { WebSocket } from 'ws';
+import logger from '../../logger';
+import config from '../../config';
+import websocketHandler from '../websocket-handler';
+
+export interface StratumJob {
+  pool: number;
+  height: number;
+  coinbase: string;
+  scriptsig: string;
+  reward: number;
+  jobId: string;
+  extraNonce: string;
+  extraNonce2Size: number;
+  prevHash: string;
+  coinbase1: string;
+  coinbase2: string;
+  merkleBranches: string[];
+  version: string;
+  bits: string;
+  time: string;
+  timestamp: number;
+  cleanJobs: boolean;
+  received: number;
+}
+
+function isStratumJob(obj: any): obj is StratumJob {
+  return obj
+    && typeof obj === 'object'
+    && 'pool' in obj
+    && 'prevHash' in obj
+    && 'height' in obj
+    && 'received' in obj
+    && 'version' in obj
+    && 'timestamp' in obj
+    && 'bits' in obj
+    && 'merkleBranches' in obj
+    && 'cleanJobs' in obj;
+}
+
+class StratumApi {
+  private ws: WebSocket | null = null;
+  private runWebsocketLoop: boolean = false;
+  private startedWebsocketLoop: boolean = false;
+  private websocketConnected: boolean = false;
+  private jobs: Record<string, StratumJob> = {};
+
+  public constructor() {}
+
+  public getJobs(): Record<string, StratumJob> {
+    return this.jobs;
+  }
+
+  private handleWebsocketMessage(msg: any): void {
+    if (isStratumJob(msg)) {
+      this.jobs[msg.pool] = msg;
+      websocketHandler.handleNewStratumJob(this.jobs[msg.pool]);
+    }
+  }
+
+  public async connectWebsocket(): Promise<void> {
+    if (!config.STRATUM.ENABLED) {
+      return;
+    }
+    this.runWebsocketLoop = true;
+    if (this.startedWebsocketLoop) {
+      return;
+    }
+    while (this.runWebsocketLoop) {
+      this.startedWebsocketLoop = true;
+      if (!this.ws) {
+        this.ws = new WebSocket(`${config.STRATUM.API}`);
+        this.websocketConnected = true;
+
+        this.ws.on('open', () => {
+          logger.info('Stratum websocket opened');
+        });
+
+        this.ws.on('error', (error) => {
+          logger.err('Stratum websocket error: ' + error);
+          this.ws = null;
+          this.websocketConnected = false;
+        });
+
+        this.ws.on('close', () => {
+          logger.info('Stratum websocket closed');
+          this.ws = null;
+          this.websocketConnected = false;
+        });
+
+        this.ws.on('message', (data, isBinary) => {
+          try {
+            const parsedMsg = JSON.parse((isBinary ? data : data.toString()) as string);
+            this.handleWebsocketMessage(parsedMsg);
+          } catch (e) {
+            logger.warn('Failed to parse stratum websocket message: ' + (e instanceof Error ? e.message : e));
+          }
+        });
+      }
+      await new Promise(resolve => setTimeout(resolve, 5000));
+    }
+  }
+}
+
+export default new StratumApi();

backend/src/api/websocket-handler.ts

@@ -38,6 +38,7 @@ interface AddressTransactions {
 import bitcoinSecondClient from './bitcoin/bitcoin-second-client';
 import { calculateMempoolTxCpfp } from './cpfp';
 import { getRecentFirstSeen } from '../utils/file-read';
+import stratumApi, { StratumJob } from './services/stratum';
 
 // valid 'want' subscriptions
 const wantable = [
@@ -403,6 +404,16 @@ class WebsocketHandler {
             delete client['track-mempool'];
           }
 
+          if (parsedMessage && parsedMessage['track-stratum'] != null) {
+            if (parsedMessage['track-stratum']) {
+              const sub = parsedMessage['track-stratum'];
+              client['track-stratum'] = sub;
+              response['stratumJobs'] = this.socketData['stratumJobs'];
+            } else {
+              client['track-stratum'] = false;
+            }
+          }
+
           if (Object.keys(response).length) {
             client.send(this.serializeResponse(response));
           }
@@ -1384,6 +1395,23 @@ class WebsocketHandler {
     await statistics.runStatistics();
   }
 
+  public handleNewStratumJob(job: StratumJob): void {
+    this.updateSocketDataFields({ 'stratumJobs': stratumApi.getJobs() });
+
+    for (const server of this.webSocketServers) {
+      server.clients.forEach((client) => {
+        if (client.readyState !== WebSocket.OPEN) {
+          return;
+        }
+        if (client['track-stratum'] && (client['track-stratum'] === 'all' || client['track-stratum'] === job.pool)) {
+          client.send(JSON.stringify({
+            'stratumJob': job
+        }));
+        }
+      });
+    }
+  }
+
   // takes a dictionary of JSON serialized values
   // and zips it together into a valid JSON object
   private serializeResponse(response): string {

backend/src/config.ts

@@ -165,6 +165,10 @@ interface IConfig {
   WALLETS: {
     ENABLED: boolean;
     WALLETS: string[];
+  },
+  STRATUM: {
+    ENABLED: boolean;
+    API: string;
   }
 }
 
@@ -332,6 +336,10 @@ const defaults: IConfig = {
     'ENABLED': false,
     'WALLETS': [],
   },
+  'STRATUM': {
+    'ENABLED': false,
+    'API': 'http://localhost:1234',
+  }
 };
 
 class Config implements IConfig {
@@ -354,6 +362,7 @@ class Config implements IConfig {
   REDIS: IConfig['REDIS'];
   FIAT_PRICE: IConfig['FIAT_PRICE'];
   WALLETS: IConfig['WALLETS'];
+  STRATUM: IConfig['STRATUM'];
 
   constructor() {
     const configs = this.merge(configFromFile, defaults);
@@ -376,6 +385,7 @@ class Config implements IConfig {
     this.REDIS = configs.REDIS;
     this.FIAT_PRICE = configs.FIAT_PRICE;
     this.WALLETS = configs.WALLETS;
+    this.STRATUM = configs.STRATUM;
   }
 
   merge = (...objects: object[]): IConfig => {

backend/src/index.ts

@@ -48,6 +48,7 @@ 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';
+import stratumApi from './api/services/stratum';
 
 class Server {
   private wss: WebSocket.Server | undefined;
@@ -151,6 +152,11 @@ class Server {
     this.setUpWebsocketHandling();
 
     await poolsUpdater.updatePoolsJson(); // Needs to be done before loading the disk cache because we sometimes wipe it
+    if (config.DATABASE.ENABLED === true && config.MEMPOOL.ENABLED && ['mainnet', 'testnet', 'signet'].includes(config.MEMPOOL.NETWORK) && !poolsUpdater.currentSha) {
+      logger.err(`Failed to retreive pools-v2.json sha, cannot run block indexing. Please make sure you've set valid urls in your mempool-config.json::MEMPOOL::POOLS_JSON_URL and mempool-config.json::MEMPOOL::POOLS_JSON_TREE_UR, aborting now`);
+      return process.exit(1);
+    }
+
     await syncAssets.syncAssets$();
     await mempoolBlocks.updatePools$();
     if (config.MEMPOOL.ENABLED) {
@@ -320,6 +326,9 @@ class Server {
     loadingIndicators.setProgressChangedCallback(websocketHandler.handleLoadingChanged.bind(websocketHandler));
 
     accelerationApi.connectWebsocket();
+    if (config.STRATUM.ENABLED) {
+      stratumApi.connectWebsocket();
+    }
   }
 
   setUpHttpApiRoutes(): void {

backend/src/mempool.interfaces.ts

@@ -325,6 +325,8 @@ export interface BlockExtension {
   // Requires coinstatsindex, will be set to NULL otherwise
   utxoSetSize: number | null;
   totalInputAmt: number | null;
+  // pools-v2.json git hash
+  definitionHash: string | undefined;
 }
 
 /**

backend/src/repositories/BlocksRepository.ts

@@ -15,6 +15,7 @@ import blocks from '../api/blocks';
 import BlocksAuditsRepository from './BlocksAuditsRepository';
 import transactionUtils from '../api/transaction-utils';
 import { parseDATUMTemplateCreator } from '../utils/bitcoin-script';
+import poolsUpdater from '../tasks/pools-updater';
 
 interface DatabaseBlock {
   id: string;
@@ -114,16 +115,16 @@ class BlocksRepository {
 
     try {
       const query = `INSERT INTO blocks(
-        height,             hash,                blockTimestamp,    size,
-        weight,             tx_count,            coinbase_raw,      difficulty,
-        pool_id,            fees,                fee_span,          median_fee,
-        reward,             version,             bits,              nonce,
-        merkle_root,        previous_block_hash, avg_fee,           avg_fee_rate,
-        median_timestamp,   header,              coinbase_address,  coinbase_addresses,
-        coinbase_signature, utxoset_size,        utxoset_change,    avg_tx_size,
-        total_inputs,       total_outputs,       total_input_amt,   total_output_amt,
-        fee_percentiles,    segwit_total_txs,    segwit_total_size, segwit_total_weight,
-        median_fee_amt,     coinbase_signature_ascii
+        height,             hash,                     blockTimestamp,    size,
+        weight,             tx_count,                 coinbase_raw,      difficulty,
+        pool_id,            fees,                     fee_span,          median_fee,
+        reward,             version,                  bits,              nonce,
+        merkle_root,        previous_block_hash,      avg_fee,           avg_fee_rate,
+        median_timestamp,   header,                   coinbase_address,  coinbase_addresses,
+        coinbase_signature, utxoset_size,             utxoset_change,    avg_tx_size,
+        total_inputs,       total_outputs,            total_input_amt,   total_output_amt,
+        fee_percentiles,    segwit_total_txs,         segwit_total_size, segwit_total_weight,
+        median_fee_amt,     coinbase_signature_ascii, definition_hash
       ) VALUE (
         ?, ?, FROM_UNIXTIME(?), ?,
         ?, ?, ?, ?,
@@ -134,7 +135,7 @@ class BlocksRepository {
         ?, ?, ?, ?,
         ?, ?, ?, ?,
         ?, ?, ?, ?,
-        ?, ?
+        ?, ?, ?
       )`;
 
       const poolDbId = await PoolsRepository.$getPoolByUniqueId(block.extras.pool.id);
@@ -181,6 +182,7 @@ class BlocksRepository {
         block.extras.segwitTotalWeight,
         block.extras.medianFeeAmt,
         truncatedCoinbaseSignatureAscii,
+        poolsUpdater.currentSha
       ];
 
       await DB.query(query, params);
@@ -1013,9 +1015,9 @@ class BlocksRepository {
   public async $savePool(id: string, poolId: number): Promise<void> {
     try {
       await DB.query(`
-        UPDATE blocks SET pool_id = ?
+        UPDATE blocks SET pool_id = ?, definition_hash = ?
         WHERE hash = ?`,
-        [poolId, id]
+        [poolId, poolsUpdater.currentSha, id]
       );
     } catch (e) {
       logger.err(`Cannot update block pool. Reason: ` + (e instanceof Error ? e.message : e));

backend/src/tasks/pools-updater.ts

@@ -45,15 +45,15 @@ class PoolsUpdater {
     this.lastRun = now;
 
     try {
+      if (config.DATABASE.ENABLED === true) {
+        this.currentSha = await this.getShaFromDb();
+      }
+
       const githubSha = await this.fetchPoolsSha(); // Fetch pools-v2.json sha from github
       if (githubSha === null) {
         return;
       }
 
-      if (config.DATABASE.ENABLED === true) {
-        this.currentSha = await this.getShaFromDb();
-      }
-
       logger.debug(`pools-v2.json sha | Current: ${this.currentSha} | Github: ${githubSha}`, this.tag);
       if (this.currentSha !== null && this.currentSha === githubSha) {
         return;
@@ -88,8 +88,8 @@ class PoolsUpdater {
 
       try {
         await DB.query('START TRANSACTION;');
-        await poolsParser.migratePoolsJson();
         await this.updateDBSha(githubSha);
+        await poolsParser.migratePoolsJson();
         await DB.query('COMMIT;');
       } catch (e) {
         logger.err(`Could not migrate mining pools, rolling back. Exception: ${JSON.stringify(e)}`, this.tag);
@@ -121,7 +121,7 @@ class PoolsUpdater {
   /**
    * Fetch our latest pools-v2.json sha from the db
    */
-  private async getShaFromDb(): Promise<string | null> {
+  public async getShaFromDb(): Promise<string | null> {
     try {
       const [rows]: any[] = await DB.query('SELECT string FROM state WHERE name="pools_json_sha"');
       return (rows.length > 0 ? rows[0].string : null);

docker/backend/mempool-config.json

@@ -148,6 +148,10 @@
     "API": "__MEMPOOL_SERVICES_API__",
     "ACCELERATIONS": __MEMPOOL_SERVICES_ACCELERATIONS__
   },
+  "STRATUM": {
+    "ENABLED": __STRATUM_ENABLED__,
+    "API": "__STRATUM_API__"
+  },
   "REDIS": {
     "ENABLED": __REDIS_ENABLED__,
     "UNIX_SOCKET_PATH": "__REDIS_UNIX_SOCKET_PATH__",

docker/backend/start.sh

@@ -149,6 +149,10 @@ __REPLICATION_SERVERS__=${REPLICATION_SERVERS:=[]}
 __MEMPOOL_SERVICES_API__=${MEMPOOL_SERVICES_API:="https://mempool.space/api/v1/services"}
 __MEMPOOL_SERVICES_ACCELERATIONS__=${MEMPOOL_SERVICES_ACCELERATIONS:=false}
 
+# STRATUM
+__STRATUM_ENABLED__=${STRATUM_ENABLED:=false}
+__STRATUM_API__=${STRATUM_API:="http://localhost:1234"}
+
 # REDIS
 __REDIS_ENABLED__=${REDIS_ENABLED:=false}
 __REDIS_UNIX_SOCKET_PATH__=${REDIS_UNIX_SOCKET_PATH:=""}
@@ -300,6 +304,10 @@ sed -i "s!__REPLICATION_SERVERS__!${__REPLICATION_SERVERS__}!g" mempool-config.j
 sed -i "s!__MEMPOOL_SERVICES_API__!${__MEMPOOL_SERVICES_API__}!g" mempool-config.json
 sed -i "s!__MEMPOOL_SERVICES_ACCELERATIONS__!${__MEMPOOL_SERVICES_ACCELERATIONS__}!g" mempool-config.json
 
+# STRATUM
+sed -i "s!__STRATUM_ENABLED__!${__STRATUM_ENABLED__}!g" mempool-config.json
+sed -i "s!__STRATUM_API__!${__STRATUM_API__}!g" mempool-config.json
+
 # REDIS
 sed -i "s!__REDIS_ENABLED__!${__REDIS_ENABLED__}!g" mempool-config.json
 sed -i "s!__REDIS_UNIX_SOCKET_PATH__!${__REDIS_UNIX_SOCKET_PATH__}!g" mempool-config.json

docker/frontend/entrypoint.sh

@@ -45,6 +45,7 @@ __SERVICES_API__=${SERVICES_API:=https://mempool.space/api/v1/services}
 __PUBLIC_ACCELERATIONS__=${PUBLIC_ACCELERATIONS:=false}
 __HISTORICAL_PRICE__=${HISTORICAL_PRICE:=true}
 __ADDITIONAL_CURRENCIES__=${ADDITIONAL_CURRENCIES:=false}
+__STRATUM_ENABLED__=${STRATUM_ENABLED:=false}
 
 # Export as environment variables to be used by envsubst
 export __MAINNET_ENABLED__
@@ -76,6 +77,7 @@ export __SERVICES_API__
 export __PUBLIC_ACCELERATIONS__
 export __HISTORICAL_PRICE__
 export __ADDITIONAL_CURRENCIES__
+export __STRATUM_ENABLED__
 
 folder=$(find /var/www/mempool -name "config.js" | xargs dirname)
 echo ${folder}

frontend/cypress/e2e/mainnet/mainnet.spec.ts

@@ -344,7 +344,9 @@ describe('Mainnet', () => {
       cy.visit('/');
       cy.waitForSkeletonGone();
 
-      cy.changeNetwork('testnet4');
+      //TODO(knorrium): add a check for the proxied server
+      // cy.changeNetwork('testnet4');
+
       cy.changeNetwork('signet');
       cy.changeNetwork('mainnet');
     });

frontend/mempool-frontend-config.sample.json

@@ -27,5 +27,6 @@
   "ACCELERATOR": false,
   "ACCELERATOR_BUTTON": true,
   "PUBLIC_ACCELERATIONS": false,
+  "STRATUM_ENABLED": false,
   "SERVICES_API": "https://mempool.space/api/v1/services"
 }

frontend/package-lock.json

@@ -33,7 +33,7 @@
         "browserify": "^17.0.0",
         "clipboard": "^2.0.11",
         "domino": "^2.1.6",
-        "echarts": "~5.5.0",
+        "echarts": "~5.6.0",
         "esbuild": "^0.24.0",
         "ngx-echarts": "~17.2.0",
         "ngx-infinite-scroll": "^17.0.0",
@@ -8724,12 +8724,12 @@
       }
     },
     "node_modules/echarts": {
-      "version": "5.5.0",
-      "resolved": "https://registry.npmjs.org/echarts/-/echarts-5.5.0.tgz",
-      "integrity": "sha512-rNYnNCzqDAPCr4m/fqyUFv7fD9qIsd50S6GDFgO1DxZhncCsNsG7IfUlAlvZe5oSEQxtsjnHiUuppzccry93Xw==",
+      "version": "5.6.0",
+      "resolved": "https://registry.npmjs.org/echarts/-/echarts-5.6.0.tgz",
+      "integrity": "sha512-oTbVTsXfKuEhxftHqL5xprgLoc0k7uScAwtryCgWF6hPYFLRwOUHiFmHGCBKP5NPFNkDVopOieyUqYGH8Fa3kA==",
       "dependencies": {
         "tslib": "2.3.0",
-        "zrender": "5.5.0"
+        "zrender": "5.6.1"
       }
     },
     "node_modules/echarts/node_modules/tslib": {
@@ -18366,9 +18366,9 @@
       }
     },
     "node_modules/zrender": {
-      "version": "5.5.0",
-      "resolved": "https://registry.npmjs.org/zrender/-/zrender-5.5.0.tgz",
-      "integrity": "sha512-O3MilSi/9mwoovx77m6ROZM7sXShR/O/JIanvzTwjN3FORfLSr81PsUGd7jlaYOeds9d8tw82oP44+3YucVo+w==",
+      "version": "5.6.1",
+      "resolved": "https://registry.npmjs.org/zrender/-/zrender-5.6.1.tgz",
+      "integrity": "sha512-OFXkDJKcrlx5su2XbzJvj/34Q3m6PvyCZkVPHGYpcCJ52ek4U/ymZyfuV1nKE23AyBJ51E/6Yr0mhZ7xGTO4ag==",
       "dependencies": {
         "tslib": "2.3.0"
       }
@@ -24485,12 +24485,12 @@
       }
     },
     "echarts": {
-      "version": "5.5.0",
-      "resolved": "https://registry.npmjs.org/echarts/-/echarts-5.5.0.tgz",
-      "integrity": "sha512-rNYnNCzqDAPCr4m/fqyUFv7fD9qIsd50S6GDFgO1DxZhncCsNsG7IfUlAlvZe5oSEQxtsjnHiUuppzccry93Xw==",
+      "version": "5.6.0",
+      "resolved": "https://registry.npmjs.org/echarts/-/echarts-5.6.0.tgz",
+      "integrity": "sha512-oTbVTsXfKuEhxftHqL5xprgLoc0k7uScAwtryCgWF6hPYFLRwOUHiFmHGCBKP5NPFNkDVopOieyUqYGH8Fa3kA==",
       "requires": {
         "tslib": "2.3.0",
-        "zrender": "5.5.0"
+        "zrender": "5.6.1"
       },
       "dependencies": {
         "tslib": {
@@ -31485,9 +31485,9 @@
       }
     },
     "zrender": {
-      "version": "5.5.0",
-      "resolved": "https://registry.npmjs.org/zrender/-/zrender-5.5.0.tgz",
-      "integrity": "sha512-O3MilSi/9mwoovx77m6ROZM7sXShR/O/JIanvzTwjN3FORfLSr81PsUGd7jlaYOeds9d8tw82oP44+3YucVo+w==",
+      "version": "5.6.1",
+      "resolved": "https://registry.npmjs.org/zrender/-/zrender-5.6.1.tgz",
+      "integrity": "sha512-OFXkDJKcrlx5su2XbzJvj/34Q3m6PvyCZkVPHGYpcCJ52ek4U/ymZyfuV1nKE23AyBJ51E/6Yr0mhZ7xGTO4ag==",
       "requires": {
         "tslib": "2.3.0"
       },

frontend/package.json

@@ -86,7 +86,7 @@
     "browserify": "^17.0.0",
     "clipboard": "^2.0.11",
     "domino": "^2.1.6",
-    "echarts": "~5.5.0",
+    "echarts": "~5.6.0",
     "ngx-echarts": "~17.2.0",
     "ngx-infinite-scroll": "^17.0.0",
     "qrcode": "1.5.1",

frontend/proxy.conf.staging.js

@@ -3,8 +3,10 @@ const fs = require('fs');
 let PROXY_CONFIG = require('./proxy.conf');
 
 PROXY_CONFIG.forEach(entry => {
-  entry.target = entry.target.replace("mempool.space", "mempool-staging.fra.mempool.space");
-  entry.target = entry.target.replace("liquid.network", "liquid-staging.fra.mempool.space");
+  const hostname = process.env.CYPRESS_REROUTE_TESTNET === 'true' ? 'mempool-staging.fra.mempool.space' : 'node201.fmt.mempool.space';
+  console.log(`e2e tests running against ${hostname}`);
+  entry.target = entry.target.replace("mempool.space", hostname);
+  entry.target = entry.target.replace("liquid.network", "liquid-staging.fmt.mempool.space");
 });
 
 module.exports = PROXY_CONFIG;

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

@@ -1,10 +1,18 @@
-<div class="box card w-100" style="background: var(--box-bg)" id=acceleratePreviewAnchor>
+<div class="box card w-100 accelerate-checkout-inner" [class.input-disabled]="isCheckoutLocked > 0" style="background: var(--box-bg)" id=acceleratePreviewAnchor>
   @if (accelerateError) {
-    <div class="row mb-1 text-center">
-      <div class="col-sm">
-        <h1 style="font-size: larger;" i18n="accelerator.sorry-error-title">Sorry, something went wrong!</h1>
+    @if (accelerateError.includes('Payment declined')) {
+      <div class="row mb-1 text-center">
+        <div class="col-sm">
+          <h1 style="font-size: larger;">{{ accelerateError }}</h1>
+        </div>
       </div>
-    </div>
+    } @else {
+      <div class="row mb-1 text-center">
+        <div class="col-sm">
+          <h1 style="font-size: larger;" i18n="accelerator.sorry-error-title">Sorry, something went wrong!</h1>
+        </div>
+      </div>
+    }
     <div class="row text-center mt-1">
       <div class="col-sm">
         <div class="d-flex flex-row justify-content-center align-items-center">
@@ -357,11 +365,11 @@
           <app-active-acceleration-box [miningStats]="miningStats" [pools]="estimate.pools" [chartOnly]="true" class="ml-2"></app-active-acceleration-box>
         </div>
       </div>
-      <div class="payment-area mt-2 p-2" style="font-size: 14px;">
+      <div class="payment-area" style="font-size: 14px;">
         <div class="row text-center justify-content-center mx-2">
-          <p i18n="accelerator.payment-to-mempool-space">Payment to mempool.space for acceleration of txid <a [routerLink]="'/tx/' + tx.txid" target="_blank">{{ tx.txid.substr(0, 10) }}..{{ tx.txid.substr(-10) }}</a></p>
+          <span i18n="accelerator.payment-to-mempool-space">Payment to mempool.space for acceleration of txid <a [routerLink]="'/tx/' + tx.txid" target="_blank">{{ tx.txid.substr(0, 10) }}..{{ tx.txid.substr(-10) }}</a></span>
         </div>
-        @if (canPayWithBalance || !(canPayWithBitcoin || canPayWithCashapp)) {
+        @if (canPayWithBalance || !(canPayWithBitcoin || canPayWithCashapp || canPayWithApplePay || canPayWithGooglePay)) {
           <div class="row">
             <div class="col-sm text-center d-flex flex-column justify-content-center align-items-center">
               <p><ng-container i18n="accelerator.your-account-will-be-debited">Your account will be debited no more than</ng-container>&nbsp;<small style="font-family: monospace;">{{ cost | number }}</small>&nbsp;<span class="symbol" i18n="shared.sats">sats</span></p>
@@ -378,9 +386,12 @@
                   <p><ng-container i18n="transaction.pay|Pay button label">Pay</ng-container>&nbsp;<span><small style="font-family: monospace;">{{ ((invoice.btcDue * 100_000_000) || cost) | number }}</small>&nbsp;<span class="symbol" i18n="shared.sats">sats</span></span></p>
                   <app-bitcoin-invoice style="width: 100%;" [invoice]="invoice" [minimal]="true" (completed)="bitcoinPaymentCompleted()"></app-bitcoin-invoice>
                 } @else if (btcpayInvoiceFailed) {
-                  <p i18n="accelerator.failed-to-load-invoice">Failed to load invoice</p>
-                  <div class="d-flex flex-column align-items-center justify-content-center" style="width: 100%; height: 292px;">
-                    <fa-icon style="font-size: 24px; color: var(--red)" [icon]="['fas', 'circle-xmark']"></fa-icon>
+                  <div class="btcpay-invoice">
+                    <fa-icon style="font-size: 20px; color: var(--red)" [icon]="['fas', 'circle-xmark']"></fa-icon>
+                    <span i18n="accelerator.failed-to-load-invoice">Failed to load invoice</span>
+                    @if (!loadingBtcpayInvoice) {
+                      <button class="btn btn-sm btn-secondary mt-0 mt-md-1" (click)="requestBTCPayInvoice()">Retry ↻</button>
+                    }
                   </div>
                 } @else {
                   <p i18n="accelerator.loading-invoice">Loading invoice...</p>
@@ -389,13 +400,13 @@
                   </div>
                 }
               </div>
-              @if (canPayWithCashapp || canPayWithApplePay || canPayWithGooglePay) {
+              @if (canPayWithCashapp || canPayWithApplePay || canPayWithGooglePay || canPayWithCardOnFile) {
                 <div class="col-sm text-center flex-grow-0  d-flex flex-column justify-content-center align-items-center">
-                  <p class="text-nowrap">&mdash;<span i18n="or">OR</span>&mdash;</p>
+                  <p class="text-nowrap">&mdash;&mdash;<span i18n="or"> OR </span>&mdash;&mdash;</p>
                 </div>
               }
             }
-            @if (canPayWithCashapp || canPayWithApplePay || canPayWithGooglePay) {
+            @if (canPayWithCashapp || canPayWithApplePay || canPayWithGooglePay || canPayWithCardOnFile) {
               <div class="col-sm text-center d-flex flex-column justify-content-center align-items-center">
                 <p><ng-container i18n="transaction.pay|Pay button label">Pay</ng-container>&nbsp;<app-fiat [value]="cost"></app-fiat> with</p>
                 @if (canPayWithCashapp) {
@@ -413,6 +424,17 @@
                     <img src="/resources/google-pay.png" height=37>
                   </div>
                 }
+                @if (canPayWithCardOnFile) {
+                  @if (canPayWithCashapp || canPayWithApplePay || canPayWithGooglePay) { <span class="mt-1 mb-1"></span> }
+                  <div class="paymentMethod mx-2 d-flex justify-content-center align-items-center" style="width: 200px; height: 55px" (click)="moveToStep('cardonfile')">
+                    @if (['VISA', 'MASTERCARD', 'JCB', 'DISCOVER', 'DISCOVER_DINERS', 'AMERICAN_EXPRESS'].includes(estimate?.availablePaymentMethods?.cardOnFile?.card?.brand)) {
+                      <app-svg-images [name]="estimate?.availablePaymentMethods?.cardOnFile?.card?.brand" height="33" class="mr-2"></app-svg-images>
+                    } @else {
+                      <app-svg-images name="OTHER_BRAND" height="33" class="mr-2"></app-svg-images>
+                    }
+                    <span style="font-size: 22px; padding-bottom: 3px">{{ estimate?.availablePaymentMethods?.cardOnFile?.card?.last_4 }}</span>
+                  </div>
+                }
               </div>
             }
           </div>
@@ -435,7 +457,7 @@
         <button type="button" class="mt-1 btn btn-secondary btn-sm rounded-pill align-self-center" style="width: 200px" (click)="moveToStep('summary')" i18n="go-back">Go back</button>
       </div>
     </div>
-  } @else if (step === 'cashapp' || step === 'applepay' || step === 'googlepay') {
+  } @else if (step === 'cashapp' || step === 'applepay' || step === 'googlepay' || step === 'cardonfile') {
     <!-- Show checkout page -->
     <div class="row mb-md-1 text-center" id="confirm-title">
       <div class="col-sm" id="confirm-payment-title">
@@ -451,7 +473,7 @@
       </div>
     </div>
 
-    @if (step === 'cashapp' && !loadingCashapp || step === 'applepay' && !loadingApplePay || step === 'googlepay' && !loadingGooglePay) {
+    @if (step === 'cashapp' && !loadingCashapp || step === 'applepay' && !loadingApplePay || step === 'googlepay' && !loadingGooglePay || step === 'cardonfile' && !loadingCardOnFile) {
       <div class="row text-center mt-1">
         <div class="col-sm">
           <div class="form-group w-100">
@@ -476,14 +498,24 @@
             <div id="cash-app-pay" class="d-inline-block" style="height: 50px" [style]="loadingCashapp ? 'opacity: 0; width: 0px; height: 0px; pointer-events: none;' : ''"></div>
           } @else if (step === 'googlepay') {
             <div id="google-pay-button" class="d-inline-block" style="height: 50px" [style]="loadingGooglePay ? 'opacity: 0; width: 0px; height: 0px; pointer-events: none;' : ''"></div>
+          } @else if (step === 'cardonfile') {
+            <div class="paymentMethod mx-2 d-flex justify-content-center align-items-center ml-auto mr-auto" style="width: 200px; height: 55px" (click)="requestCardOnFilePayment()" [style]="loadingCardOnFile ? 'opacity: 0; width: 0px; height: 0px; pointer-events: none;' : ''">
+              <fa-icon style="font-size: 24px; color: white" [icon]="['fas', 'credit-card']"></fa-icon>
+              <span class="ml-2" style="font-size: 22px">{{ estimate?.availablePaymentMethods?.cardOnFile?.card?.brand }} {{ estimate?.availablePaymentMethods?.cardOnFile?.card?.last_4 }}</span>
+            </div>
           }
-          @if (loadingCashapp || loadingApplePay || loadingGooglePay) {
+          @if (loadingCashapp || loadingApplePay || loadingGooglePay || loadingCardOnFile) {
           <div display="d-flex flex-row justify-content-center">
             <span i18n="accelerator.loading-payment-method">Loading payment method...</span>
             <div class="ml-2 spinner-border text-light" style="width: 25px; height: 25px"></div>
           </div>
           }
         </div>
+        @if (isTokenizing > 0) {
+          <div class="d-flex flex-row justify-content-center">
+            <div class="ml-2 spinner-border text-light" style="width: 25px; height: 25px"></div>
+          </div>
+        }
       </div>
     </div>
 

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

@@ -8,6 +8,13 @@
   color: var(--green)
 }
 
+.accelerate-checkout-inner {
+  &.input-disabled {
+    pointer-events: none;
+    opacity: 0.75;
+  }
+}
+
 .paymentMethod {
   padding: 10px;
   background-color: var(--secondary);
@@ -146,6 +153,11 @@
 
 .payment-area {
   background: var(--bg);
+  margin-top: 0.5rem;
+  padding: 0.5rem;
+  @media (max-width: 575px) {
+    padding-bottom: 1.25rem;
+  }
 }
 
 .col.pie {
@@ -212,4 +224,17 @@
 }
 .apple-pay-button-white-with-line {
     -apple-pay-button-style: white-outline;
+}
+
+.btcpay-invoice {
+  display: flex;
+  height: 292px;
+  flex-direction: column;
+  justify-content: center;
+  align-items: center;
+  @media (max-width: 575px) {
+    height: 75px;
+    flex-direction: row;
+    gap: 5px;
+  }
 }

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

@@ -13,7 +13,7 @@ import { EnterpriseService } from '@app/services/enterprise.service';
 import { ApiService } from '@app/services/api.service';
 import { isDevMode } from '@angular/core';
 
-export type PaymentMethod = 'balance' | 'bitcoin' | 'cashapp' | 'applePay' | 'googlePay';
+export type PaymentMethod = 'balance' | 'bitcoin' | 'cashapp' | 'applePay' | 'googlePay' | 'cardOnFile';
 
 export type AccelerationEstimate = {
   hasAccess: boolean;
@@ -26,7 +26,7 @@ export type AccelerationEstimate = {
   mempoolBaseFee: number;
   vsizeFee: number;
   pools: number[];
-  availablePaymentMethods: Record<PaymentMethod, {min: number, max: number}>;
+  availablePaymentMethods: Record<PaymentMethod, {min: number, max: number, card?: {card_id: string, last_4: string, brand: string, name: string, billing: any}}>;
   unavailable?: boolean;
   options: { // recommended bid options
     fee: number; // recommended userBid in sats
@@ -49,7 +49,7 @@ export const MIN_BID_RATIO = 1;
 export const DEFAULT_BID_RATIO = 2;
 export const MAX_BID_RATIO = 4;
 
-type CheckoutStep = 'quote' | 'summary' | 'checkout' | 'cashapp' | 'applepay' | 'googlepay' | 'processing' | 'paid' | 'success';
+type CheckoutStep = 'quote' | 'summary' | 'checkout' | 'cashapp' | 'applepay' | 'googlepay' | 'cardonfile' | 'processing' | 'paid' | 'success';
 
 @Component({
   selector: 'app-accelerate-checkout',
@@ -62,9 +62,9 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
   @Input() miningStats: MiningStats;
   @Input() eta: ETA;
   @Input() scrollEvent: boolean;
-  @Input() cashappEnabled: boolean = true;
   @Input() applePayEnabled: boolean = false;
   @Input() googlePayEnabled: boolean = true;
+  @Input() cardOnFileEnabled: boolean = true;
   @Input() advancedEnabled: boolean = false;
   @Input() forceMobile: boolean = false;
   @Input() showDetails: boolean = false;
@@ -76,6 +76,8 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
 
   calculating = true;
   processing = false;
+  isCheckoutLocked = 0; // reference counter, 0 = unlocked, >0 = locked
+  isTokenizing = 0; // reference counter, 0 = false, >0 = true
   selectedOption: 'wait' | 'accel';
   cantPayReason = '';
   quoteError = ''; // error fetching estimate or initial data
@@ -115,6 +117,7 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
   loadingCashapp = false;
   loadingApplePay = false;
   loadingGooglePay = false;
+  loadingCardOnFile = false;
   payments: any;
   cashAppPay: any;
   applePay: any;
@@ -154,7 +157,7 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
         this.accelerateError = null;
         this.timePaid = 0;
         this.btcpayInvoiceFailed = false;
-        this.moveToStep('summary');
+        this.moveToStep('summary', true);
       } else {
         this.auth = auth;
       }
@@ -163,11 +166,11 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
 
     const urlParams = new URLSearchParams(window.location.search);
     if (urlParams.get('cash_request_id')) { // Redirected from cashapp
-      this.moveToStep('processing');
+      this.moveToStep('processing', true);
       this.insertSquare();
       this.setupSquare();
     } else {
-      this.moveToStep('summary');
+      this.moveToStep('summary', true);
     }
 
     this.conversionsSubscription = this.stateService.conversions$.subscribe(
@@ -192,14 +195,17 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
     }
     if (changes.accelerating && this.accelerating) {
       if (this.step === 'processing' || this.step === 'paid') {
-        this.moveToStep('success');
+        this.moveToStep('success', true);
       } else { // Edge case where the transaction gets accelerated by someone else or on another session
         this.closeModal();
       }
     }
   }
 
-  moveToStep(step: CheckoutStep): void {
+  moveToStep(step: CheckoutStep, force: boolean = false): void {
+    if (this.isCheckoutLocked > 0 && !force) {
+      return;
+    }
     this.processing = false;
     this._step = step;
     if (this.timeoutTimer) {
@@ -214,10 +220,9 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
     }
     if (this._step === 'checkout' && this.canPayWithBitcoin) {
       this.btcpayInvoiceFailed = false;
-      this.loadingBtcpayInvoice = true;
       this.invoice = null;
       this.requestBTCPayInvoice();
-    } else if (this._step === 'cashapp' && this.cashappEnabled) {
+    } else if (this._step === 'cashapp') {
       this.loadingCashapp = true;
       this.setupSquare();
       this.scrollToElementWithTimeout('confirm-title', 'center', 100);
@@ -229,6 +234,10 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
       this.loadingGooglePay = true;
       this.setupSquare();
       this.scrollToElementWithTimeout('confirm-title', 'center', 100);
+    } else if (this._step === 'cardonfile' && this.cardOnFileEnabled) {
+      this.loadingCardOnFile = true;
+      this.setupSquare();
+      this.scrollToElementWithTimeout('confirm-title', 'center', 100);
     } else if (this._step === 'paid') {
       this.timePaid = Date.now();
       this.timeoutTimer = setTimeout(() => {
@@ -242,7 +251,7 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
 
   closeModal(): void {
     this.completed.emit(true);
-    this.moveToStep('summary');
+    this.moveToStep('summary', true);
   }
 
   /**
@@ -323,7 +332,6 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
           }
 
           if (this.step === 'checkout' && this.canPayWithBitcoin && !this.loadingBtcpayInvoice) {
-            this.loadingBtcpayInvoice = true;
             this.requestBTCPayInvoice();
           }
 
@@ -393,7 +401,7 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
         this.audioService.playSound('ascend-chime-cartoon');
         this.showSuccess = true;
         this.estimateSubscription.unsubscribe();
-        this.moveToStep('paid');
+        this.moveToStep('paid', true);
       },
       error: (response) => {
         this.processing = false;
@@ -449,6 +457,8 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
             await this.requestApplePayPayment();
           } else if (this._step === 'googlepay') {
             await this.requestGooglePayPayment();
+          } else if (this._step === 'cardonfile') {
+            this.loadingCardOnFile = false;
           }
         },
         error: () => {
@@ -503,56 +513,75 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
           }
           this.loadingApplePay = false;
           applePayButton.addEventListener('click', async event => {
+            if (this.isCheckoutLocked > 0 || this.isTokenizing > 0) {
+              return;
+            }
             event.preventDefault();
-            const tokenResult = await this.applePay.tokenize();
-            if (tokenResult?.status === 'OK') {
-              const card = tokenResult.details?.card;
-              if (!card || !card.brand || !card.expMonth || !card.expYear || !card.last4) {
-                console.error(`Cannot retreive payment card details`);
-                this.accelerateError = 'apple_pay_no_card_details';
-                this.processing = false;
-                return;
-              }
-              const cardTag = md5(`${card.brand}${card.expMonth}${card.expYear}${card.last4}`.toLowerCase());
-              this.servicesApiService.accelerateWithApplePay$(
-                this.tx.txid,
-                tokenResult.token,
-                cardTag,
-                `accelerator-${this.tx.txid.substring(0, 15)}-${Math.round(new Date().getTime() / 1000)}`,
-                costUSD
-              ).subscribe({
-                next: () => {
+            try {
+              // lock the checkout UI and show a loading spinner until the square modals are finished
+              this.isCheckoutLocked++;
+              this.isTokenizing++;
+              const tokenResult = await this.applePay.tokenize();
+              if (tokenResult?.status === 'OK') {
+                const card = tokenResult.details?.card;
+                if (!card || !card.brand || !card.expMonth || !card.expYear || !card.last4) {
+                  console.error(`Cannot retreive payment card details`);
+                  this.accelerateError = 'apple_pay_no_card_details';
                   this.processing = false;
-                  this.apiService.logAccelerationRequest$(this.tx.txid).subscribe();
-                  this.audioService.playSound('ascend-chime-cartoon');
-                  if (this.applePay) {
-                    this.applePay.destroy();
-                  }
-                  setTimeout(() => {
-                    this.moveToStep('paid');
-                  }, 1000);
-                },
-                error: (response) => {
-                  this.processing = false;
-                  this.accelerateError = response.error;
-                  if (!(response.status === 403 && response.error === 'not_available')) {
-                    setTimeout(() => {
-                      // Reset everything by reloading the page :D, can be improved
-                      const urlParams = new URLSearchParams(window.location.search);
-                      window.location.assign(window.location.toString().replace(`?cash_request_id=${urlParams.get('cash_request_id')}`, ``));
-                    }, 3000);
-                  }
+                  return;
                 }
-              });
-            } else {
-              this.processing = false;
-              let errorMessage = `Tokenization failed with status: ${tokenResult.status}`;
-              if (tokenResult.errors) {
-                errorMessage += ` and errors: ${JSON.stringify(
-                  tokenResult.errors,
-                )}`;
+                const cardTag = md5(`${card.brand}${card.expMonth}${card.expYear}${card.last4}`.toLowerCase());
+                // keep checkout in loading state until the acceleration request completes
+                this.isTokenizing++;
+                this.isCheckoutLocked++;
+                this.servicesApiService.accelerateWithApplePay$(
+                  this.tx.txid,
+                  tokenResult.token,
+                  cardTag,
+                  `accelerator-${this.tx.txid.substring(0, 15)}-${Math.round(new Date().getTime() / 1000)}`,
+                  costUSD
+                ).subscribe({
+                  next: () => {
+                    this.processing = false;
+                    this.apiService.logAccelerationRequest$(this.tx.txid).subscribe();
+                    this.audioService.playSound('ascend-chime-cartoon');
+                    if (this.applePay) {
+                      this.applePay.destroy();
+                    }
+                    setTimeout(() => {
+                      this.isTokenizing--;
+                      this.isCheckoutLocked--;
+                      this.moveToStep('paid', true);
+                    }, 1000);
+                  },
+                  error: (response) => {
+                    this.processing = false;
+                    this.accelerateError = response.error;
+                    if (!(response.status === 403 && response.error === 'not_available')) {
+                      setTimeout(() => {
+                        this.isTokenizing--;
+                        this.isCheckoutLocked--;
+                        // Reset everything by reloading the page :D, can be improved
+                        const urlParams = new URLSearchParams(window.location.search);
+                        window.location.assign(window.location.toString().replace(`?cash_request_id=${urlParams.get('cash_request_id')}`, ``));
+                      }, 10000);
+                    }
+                  }
+                });
+              } else {
+                this.processing = false;
+                let errorMessage = `Tokenization failed with status: ${tokenResult.status}`;
+                if (tokenResult.errors) {
+                  errorMessage += ` and errors: ${JSON.stringify(
+                    tokenResult.errors,
+                  )}`;
+                }
+                throw new Error(errorMessage);
               }
-              throw new Error(errorMessage);
+            } finally {
+              // always unlock the checkout once we're finished
+              this.isTokenizing--;
+              this.isCheckoutLocked--;
             }
           });
         } catch (e) {
@@ -602,70 +631,193 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
         this.loadingGooglePay = false;
 
         document.getElementById('google-pay-button').addEventListener('click', async event => {
+          if (this.isCheckoutLocked > 0 || this.isTokenizing > 0) {
+            return;
+          }
           event.preventDefault();
-          const tokenResult = await this.googlePay.tokenize();
-          if (tokenResult?.status === 'OK') {
-            const card = tokenResult.details?.card;
-            if (!card || !card.brand || !card.expMonth || !card.expYear || !card.last4) {
-              console.error(`Cannot retreive payment card details`);
-              this.accelerateError = 'apple_pay_no_card_details';
-              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)}`,
-              costUSD
-            ).subscribe({
-              next: () => {
+          try {
+            // lock the checkout UI and show a loading spinner until the square modals are finished
+            this.isCheckoutLocked++;
+            this.isTokenizing++;
+            const tokenResult = await this.googlePay.tokenize();
+            if (tokenResult?.status === 'OK') {
+              const card = tokenResult.details?.card;
+              if (!card || !card.brand || !card.expMonth || !card.expYear || !card.last4) {
+                console.error(`Cannot retreive payment card details`);
+                this.accelerateError = 'apple_pay_no_card_details';
                 this.processing = false;
-                this.apiService.logAccelerationRequest$(this.tx.txid).subscribe();
-                this.audioService.playSound('ascend-chime-cartoon');
-                if (this.googlePay) {
-                  this.googlePay.destroy();
-                }
-                setTimeout(() => {
-                  this.moveToStep('paid');
-                }, 1000);
-              },
-              error: (response) => {
-                this.processing = false;
-                this.accelerateError = response.error;
-                if (!(response.status === 403 && response.error === 'not_available')) {
-                  setTimeout(() => {
-                    // Reset everything by reloading the page :D, can be improved
-                    const urlParams = new URLSearchParams(window.location.search);
-                    window.location.assign(window.location.toString().replace(`?cash_request_id=${urlParams.get('cash_request_id')}`, ``));
-                  }, 3000);
-                }
+                return;
               }
-            });
-          } else {
-            this.processing = false;
-            let errorMessage = `Tokenization failed with status: ${tokenResult.status}`;
-            if (tokenResult.errors) {
-              errorMessage += ` and errors: ${JSON.stringify(
-                tokenResult.errors,
-              )}`;
+              const verificationToken = await this.$verifyBuyer(this.payments, tokenResult.token, tokenResult.details, costUSD.toFixed(2));
+              if (!verificationToken || !verificationToken.token) {
+                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());
+              // keep checkout in loading state until the acceleration request completes
+              this.isCheckoutLocked++;
+              this.isTokenizing++;
+              this.servicesApiService.accelerateWithGooglePay$(
+                this.tx.txid,
+                tokenResult.token,
+                verificationToken.token,
+                cardTag,
+                `accelerator-${this.tx.txid.substring(0, 15)}-${Math.round(new Date().getTime() / 1000)}`,
+                costUSD,
+                verificationToken.userChallenged
+              ).subscribe({
+                next: () => {
+                  this.processing = false;
+                  this.apiService.logAccelerationRequest$(this.tx.txid).subscribe();
+                  this.audioService.playSound('ascend-chime-cartoon');
+                  if (this.googlePay) {
+                    this.googlePay.destroy();
+                  }
+                  setTimeout(() => {
+                    this.isTokenizing--;
+                    this.isCheckoutLocked--;
+                    this.moveToStep('paid', true);
+                  }, 1000);
+                },
+                error: (response) => {
+                  this.processing = false;
+                  this.accelerateError = response.error;
+                  this.isTokenizing--;
+                  this.isCheckoutLocked--;
+                  if (!(response.status === 403 && response.error === 'not_available')) {
+                    setTimeout(() => {
+                      // Reset everything by reloading the page :D, can be improved
+                      const urlParams = new URLSearchParams(window.location.search);
+                      window.location.assign(window.location.toString().replace(`?cash_request_id=${urlParams.get('cash_request_id')}`, ``));
+                    }, 10000);
+                  }
+                }
+              });
+            } else {
+              this.processing = false;
+              let errorMessage = `Tokenization failed with status: ${tokenResult.status}`;
+              if (tokenResult.errors) {
+                errorMessage += ` and errors: ${JSON.stringify(
+                  tokenResult.errors,
+                )}`;
+              }
+              throw new Error(errorMessage);
             }
-            throw new Error(errorMessage);
+          } finally {
+            // always unlock the checkout once we're finished
+            this.isTokenizing--;
+            this.isCheckoutLocked--;
           }
         });
       }
     );
   }
 
+  /**
+   * Card On File
+   */
+  async requestCardOnFilePayment(): Promise<void> {
+    if (this.processing) {
+      return;
+    }
+    if (this.conversionsSubscription) {
+      this.conversionsSubscription.unsubscribe();
+    }
+    
+    this.processing = true;
+    this.conversionsSubscription = this.stateService.conversions$.subscribe(
+      async (conversions) => {
+        this.conversions = conversions;
+
+        const costUSD = this.cost / 100_000_000 * conversions.USD;
+        if (this.isCheckoutLocked > 0) {
+          return;
+        }
+        const cardOnFile = this.estimate?.availablePaymentMethods?.cardOnFile;
+        if (!cardOnFile?.card) {
+          this.accelerateError = 'card_on_file_not_found';
+          return;
+        }
+        this.loadingCardOnFile = false;
+        
+        try {
+          this.isCheckoutLocked += 2;
+          this.isTokenizing += 2;
+          
+          const nameParts = cardOnFile.card.name.split(' ');
+          const assumedGivenName = nameParts[0];
+          const assumedFamilyName = nameParts.length > 1 ? nameParts[1] : undefined;
+          const verificationDetails = {
+            card: {
+              billing: {
+                givenName: assumedGivenName,
+                familyName: assumedFamilyName,
+                addressLines: [cardOnFile.card.billing.addressLine1 ?? ''],
+                city: cardOnFile.card.billing.locality ?? '',
+                state: cardOnFile.card.billing.administrativeDistrictLevel1 ?? '',
+                countyCode: cardOnFile.card.billing.country,
+              }
+            }
+          };
+          const verificationToken = await this.$verifyBuyer(this.payments, cardOnFile.card.card_id, verificationDetails, costUSD.toFixed(2));
+          if (!verificationToken || !verificationToken.token) {
+            console.error(`SCA verification failed`);
+            this.accelerateError = 'SCA Verification Failed. Payment Declined.';
+            this.processing = false;
+            return;
+          }
+
+          this.servicesApiService.accelerateWithCardOnFile$(
+            this.tx.txid,
+            cardOnFile.card.card_id,
+            verificationToken.token,
+            `accelerator-${this.tx.txid.substring(0, 15)}-${Math.round(new Date().getTime() / 1000)}`,
+            costUSD,
+            verificationToken.userChallenged
+          ).subscribe({
+            next: () => {
+              this.processing = false;
+              this.apiService.logAccelerationRequest$(this.tx.txid).subscribe();
+              this.audioService.playSound('ascend-chime-cartoon');
+              setTimeout(() => {
+                this.isCheckoutLocked--;
+                this.isTokenizing--;
+                this.moveToStep('paid', true);
+              }, 1000);
+            },
+            error: (response) => {
+              this.processing = false;
+              this.accelerateError = response.error;
+              this.isCheckoutLocked--;
+              this.isTokenizing--;
+              if (!(response.status === 403 && response.error === 'not_available')) {
+                setTimeout(() => {
+                  // Reset everything by reloading the page :D, can be improved
+                  const urlParams = new URLSearchParams(window.location.search);
+                  window.location.assign(window.location.toString().replace(`?cash_request_id=${urlParams.get('cash_request_id')}`, ``));
+                }, 3000);
+              }
+            }
+          });
+
+        } catch (e) {
+          console.log(e);
+          this.isCheckoutLocked--;
+          this.isTokenizing--;
+          this.processing = false;
+          this.accelerateError = e.message;
+
+        } finally {
+          // always unlock the checkout once we're finished
+          this.isCheckoutLocked--;
+          this.isTokenizing--;
+        }
+      }
+    );
+  }
+
   /**
    * CASHAPP
    */
@@ -726,7 +878,7 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
                   this.cashAppPay.destroy();
                 }
                 setTimeout(() => {
-                  this.moveToStep('paid');
+                  this.moveToStep('paid', true);
                   if (window.history.replaceState) {
                     const urlParams = new URLSearchParams(window.location.search);
                     window.history.replaceState(null, null, window.location.toString().replace(`?cash_request_id=${urlParams.get('cash_request_id')}`, ''));
@@ -741,7 +893,7 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
                     // Reset everything by reloading the page :D, can be improved
                     const urlParams = new URLSearchParams(window.location.search);
                     window.location.assign(window.location.toString().replace(`?cash_request_id=${urlParams.get('cash_request_id')}`, ``));
-                  }, 3000);
+                  }, 10000);
                 }
               }
             });
@@ -752,9 +904,9 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
   }
 
   /**
-   * Required in SCA Mandated Regions: Learn more at https://developer.squareup.com/docs/sca-overview
+   * https://developer.squareup.com/docs/sca-overview
    */
-  async $verifyBuyer(payments, token, details, amount) {
+  async $verifyBuyer(payments, token, details, amount): Promise<{token: string, userChallenged: boolean}> {
     const verificationDetails = {
       amount: amount,
       currencyCode: 'USD',
@@ -774,23 +926,26 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
       token,
       verificationDetails,
     );
-    return verificationResults.token;
+    return verificationResults;
   }
 
   /**
    * BTCPay
    */
   async requestBTCPayInvoice(): Promise<void> {
+    this.loadingBtcpayInvoice = true;
     this.servicesApiService.generateBTCPayAcceleratorInvoice$(this.tx.txid, this.userBid).pipe(
       switchMap(response => {
         return this.servicesApiService.retreiveInvoice$(response.btcpayInvoiceId);
       }),
       catchError(error => {
         console.log(error);
+        this.loadingBtcpayInvoice = false;
         this.btcpayInvoiceFailed = true;
         return of(null);
       })
     ).subscribe((invoice) => {
+        this.loadingBtcpayInvoice = false;
         this.invoice = invoice;
         this.cd.markForCheck();
     });
@@ -800,7 +955,7 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
     this.apiService.logAccelerationRequest$(this.tx.txid).subscribe();
     this.audioService.playSound('ascend-chime-cartoon');
     this.estimateSubscription.unsubscribe();
-    this.moveToStep('paid');
+    this.moveToStep('paid', true);
   }
 
   isLoggedIn(): boolean {
@@ -827,9 +982,6 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
   }
 
   get couldPayWithCashapp(): boolean {
-    if (!this.cashappEnabled) {
-      return false;
-    }
     return !!this.estimate?.availablePaymentMethods?.cashapp;
   }
 
@@ -864,7 +1016,7 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
   }
 
   get canPayWithCashapp(): boolean {
-    if (!this.cashappEnabled || !this.conversions || (!this.isProdDomain && !isDevMode())) {
+    if (!this.conversions || (!this.isProdDomain && !isDevMode())) {
       return false;
     }
 
@@ -911,6 +1063,22 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
     return false;
   }
 
+  get canPayWithCardOnFile(): boolean {
+    if (!this.cardOnFileEnabled || !this.conversions || (!this.isProdDomain && !isDevMode())) {
+      return false;
+    }
+
+    const paymentMethod = this.estimate?.availablePaymentMethods?.cardOnFile;
+    if (paymentMethod) {
+      const costUSD = (this.cost / 100_000_000 * this.conversions.USD);
+      if (costUSD >= paymentMethod.min && costUSD <= paymentMethod.max) {
+        return true;
+      }
+    }
+
+    return false;
+  }
+
   get canPayWithBalance(): boolean {
     if (!this.hasAccessToBalanceMode) {
       return false;

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

@@ -46,6 +46,8 @@ export class AccelerationFeesGraphComponent implements OnInit, OnChanges, OnDest
 
   aggregatedHistory$: Observable<any>;
   statsSubscription: Subscription;
+  aggregatedHistorySubscription: Subscription;
+  fragmentSubscription: Subscription;
   isLoading = true;
   formatNumber = formatNumber;
   timespan = '';
@@ -79,8 +81,8 @@ export class AccelerationFeesGraphComponent implements OnInit, OnChanges, OnDest
     }
     this.radioGroupForm = this.formBuilder.group({ dateSpan: this.miningWindowPreference });
     this.radioGroupForm.controls.dateSpan.setValue(this.miningWindowPreference);
-    
-    this.route.fragment.subscribe((fragment) => {
+
+    this.fragmentSubscription = this.route.fragment.subscribe((fragment) => {
       if (['24h', '3d', '1w', '1m', '3m', 'all'].indexOf(fragment) > -1) {
         this.radioGroupForm.controls.dateSpan.setValue(fragment, { emitEvent: false });
       }
@@ -113,7 +115,7 @@ export class AccelerationFeesGraphComponent implements OnInit, OnChanges, OnDest
       share(),
     );
 
-    this.aggregatedHistory$.subscribe();
+    this.aggregatedHistorySubscription = this.aggregatedHistory$.subscribe();
   }
 
   ngOnChanges(changes: SimpleChanges): void {
@@ -335,8 +337,8 @@ export class AccelerationFeesGraphComponent implements OnInit, OnChanges, OnDest
   }
 
   ngOnDestroy(): void {
-    if (this.statsSubscription) {
-      this.statsSubscription.unsubscribe();
-    }
+    this.aggregatedHistorySubscription?.unsubscribe();
+    this.fragmentSubscription?.unsubscribe();
+    this.statsSubscription?.unsubscribe();
   }
 }

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

@@ -14,7 +14,7 @@
           <th class="time text-right" i18n="accelerator.requested">Requested</th>
         </ng-container>
         <ng-container *ngIf="!pending">
-          <th class="fee text-right" i18n="transaction.bid-boost|Bid Boost">Bid Boost</th>
+          <th class="fee text-right text-truncate" i18n="transaction.bid-boost|Bid Boost">Bid Boost</th>
           <th class="block text-right" i18n="shared.block-title">Block</th>
           <th class="pool text-right" i18n="mining.pool-name" *ngIf="!this.widget">Pool</th>
           <th class="status text-right" i18n="transaction.status|Transaction Status">Status</th>
@@ -64,7 +64,8 @@
               <span *ngIf="acceleration.status === 'accelerating'" class="badge badge-warning" i18n="accelerator.pending">Pending</span>
               <span *ngIf="acceleration.status.includes('completed') && acceleration.minedByPoolUniqueId && pools[acceleration.minedByPoolUniqueId]" class="badge badge-success"><ng-container i18n="accelerator.completed">Completed</ng-container><span *ngIf="acceleration.status === 'completed_provisional'">&nbsp;⌛</span></span>
               <span *ngIf="acceleration.status.includes('completed') && (!acceleration.minedByPoolUniqueId || !pools[acceleration.minedByPoolUniqueId])" class="badge badge-success"><ng-container i18n="transaction.rbf.mined">Mined</ng-container><span *ngIf="acceleration.status === 'completed_provisional'">&nbsp;⌛</span></span>
-              <span *ngIf="acceleration.status.includes('failed')" class="badge badge-danger"><ng-container i18n="accelerator.canceled">Canceled</ng-container><span *ngIf="acceleration.status === 'failed_provisional'">&nbsp;⌛</span></span>
+              <span *ngIf="acceleration.status.includes('failed') && acceleration.canceled" class="badge badge-danger"><ng-container i18n="accelerator.canceled">Canceled</ng-container><span *ngIf="acceleration.status === 'failed_provisional'">&nbsp;⌛</span></span>
+              <span *ngIf="acceleration.status.includes('failed') && !acceleration.canceled" class="badge badge-danger"><ng-container i18n="accelerator.canceled">Failed</ng-container><span *ngIf="acceleration.status === 'failed_provisional'">&nbsp;⌛</span></span>
             </td>
             <td class="date text-right" *ngIf="!this.widget">
               <app-time kind="since" [time]="acceleration.added" [fastRender]="true" [showTooltip]="true"></app-time>

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

@@ -478,25 +478,30 @@ export class AddressGraphComponent implements OnChanges, OnDestroy {
   }
 
   extendSummary(summary) {
-    let extendedSummary = summary.slice();
+    const extendedSummary = summary.slice();
 
     // Add a point at today's date to make the graph end at the current time
     extendedSummary.unshift({ time: Date.now() / 1000, value: 0 });
-    extendedSummary.reverse();
 
-    let oneHour = 60 * 60;
+    let maxTime = Date.now() / 1000;
+
+    const oneHour = 60 * 60;
     // Fill gaps longer than interval
     for (let i = 0; i < extendedSummary.length - 1; i++) {
-      let hours = Math.floor((extendedSummary[i + 1].time - extendedSummary[i].time) / oneHour);      
+      if (extendedSummary[i].time > maxTime) {
+        extendedSummary[i].time = maxTime - 30;
+      }
+      maxTime = extendedSummary[i].time;
+      const hours = Math.floor((extendedSummary[i].time - extendedSummary[i + 1].time) / oneHour);
       if (hours > 1) {
         for (let j = 1; j < hours; j++) {
-          let newTime = extendedSummary[i].time + oneHour * j;
+          const newTime = extendedSummary[i].time - oneHour * j;
           extendedSummary.splice(i + j, 0, { time: newTime, value: 0 });
         }
         i += hours - 1;
       }
     }
 
-    return extendedSummary.reverse();
+    return extendedSummary;
   }
 }

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

@@ -41,7 +41,7 @@ export class AppComponent implements OnInit {
 
   @HostListener('document:keydown', ['$event'])
   handleKeyboardEvents(event: KeyboardEvent) {
-    if (event.target instanceof HTMLInputElement) {
+    if (event.target instanceof HTMLInputElement || event.target instanceof HTMLTextAreaElement) {
       return;
     }
     // prevent arrow key horizontal scrolling

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

@@ -10,6 +10,10 @@
     </span>
   }
 
+  <div class="d-flex justify-content-center">
+    <app-mempool-error *ngIf="paymentErrorMessage" [error]="paymentErrorMessage"></app-mempool-error>
+  </div>
+
   <div *ngIf="paymentStatus === 2">
     
     <form [formGroup]="paymentForm">

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

@@ -1,9 +1,8 @@
 import { Component, EventEmitter, Input, OnChanges, OnDestroy, OnInit, Output, SimpleChanges } from '@angular/core';
 import { FormBuilder, FormGroup } from '@angular/forms';
 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 { Subscription, of, catchError } from 'rxjs';
+import { retry, tap } from 'rxjs/operators';
 import { ServicesApiServices } from '@app/services/services-api.service';
 
 @Component({
@@ -18,30 +17,17 @@ export class BitcoinInvoiceComponent implements OnInit, OnChanges, OnDestroy {
   @Output() completed = new EventEmitter();
 
   paymentForm: FormGroup;
-  requestSubscription: Subscription | undefined;
   paymentStatusSubscription: Subscription | undefined;
   paymentStatus = 1; // 1 - Waiting for invoice | 2 - Pending payment | 3 - Payment completed
-  paramMapSubscription: Subscription | undefined;
-  invoiceSubscription: Subscription | undefined;
-  invoiceTimeout; // Wait for angular to load all the things before making a request
+  paymentErrorMessage: string = '';
 
   constructor(
     private formBuilder: FormBuilder,
     private apiService: ServicesApiServices,
-    private sanitizer: DomSanitizer,
-    private activatedRoute: ActivatedRoute
+    private sanitizer: DomSanitizer
   ) { }
 
   ngOnDestroy() {
-    if (this.requestSubscription) {
-      this.requestSubscription.unsubscribe();
-    }
-    if (this.paramMapSubscription) {
-      this.paramMapSubscription.unsubscribe();
-    }
-    if (this.invoiceSubscription) {
-      this.invoiceSubscription.unsubscribe();
-    }
     if (this.paymentStatusSubscription) {
       this.paymentStatusSubscription.unsubscribe();
     }
@@ -72,15 +58,39 @@ export class BitcoinInvoiceComponent implements OnInit, OnChanges, OnDestroy {
     } else {
       this.paymentStatus = 4;
     }
+
+    this.monitorPendingInvoice();
+  }
+
+  monitorPendingInvoice(): void {
+    if (!this.invoice) {
+      return;
+    }
+    if (this.paymentStatusSubscription) {
+      this.paymentStatusSubscription.unsubscribe();
+    }
     this.paymentStatusSubscription = this.apiService.getPaymentStatus$(this.invoice.btcpayInvoiceId).pipe(
-      retry({ delay: () => timer(2000)}),
-      repeat({delay: 2000}),
-      filter((response) => response.status !== 204 && response.status !== 404),
-      take(1),
-    ).subscribe(() => {
-      this.paymentStatus = 3;
-      this.completed.emit();
-    });
+      tap(result => {
+        if (result.status === 204) { // Manually trigger an error in that case so we can retry
+          throw result;
+        } else if (result.status === 200) { // Invoice settled
+          this.paymentStatus = 3;
+          this.completed.emit();
+        }
+      }),
+      catchError(err => {
+        if (err.status === 204 || err.status === 504) {
+          throw err; // Will trigger the retry
+        } else if (err.status === 400) {
+          this.paymentErrorMessage = 'Invoice has expired';
+        } else if (err.status === 404) {
+          this.paymentErrorMessage = 'Invoice is no longer valid';
+        }
+        this.paymentStatus = -1;
+        return of(null);
+      }),
+      retry({ delay: 1000 }),
+    ).subscribe();
   }
 
   get availableMethods(): string[] {

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

@@ -172,13 +172,19 @@ export class BlockOverviewGraphComponent implements AfterViewInit, OnDestroy, On
   ngOnDestroy(): void {
     if (this.animationFrameRequest) {
       cancelAnimationFrame(this.animationFrameRequest);
-      clearTimeout(this.animationHeartBeat);
     }
+    clearTimeout(this.animationHeartBeat);
     if (this.canvas) {
       this.canvas.nativeElement.removeEventListener('webglcontextlost', this.handleContextLost);
       this.canvas.nativeElement.removeEventListener('webglcontextrestored', this.handleContextRestored);
-      this.themeChangedSubscription?.unsubscribe();
     }
+    if (this.scene) {
+      this.scene.destroy();
+    }
+    this.vertexArray.destroy();
+    this.vertexArray = null;
+    this.themeChangedSubscription?.unsubscribe();
+    this.searchSubscription?.unsubscribe();
   }
 
   clear(direction): void {
@@ -447,7 +453,7 @@ export class BlockOverviewGraphComponent implements AfterViewInit, OnDestroy, On
     }
     this.applyQueuedUpdates();
     // skip re-render if there's no change to the scene
-    if (this.scene && this.gl) {
+    if (this.scene && this.gl && this.vertexArray) {
       /* SET UP SHADER UNIFORMS */
       // screen dimensions
       this.gl.uniform2f(this.gl.getUniformLocation(this.shaderProgram, 'screenSize'), this.displayWidth, this.displayHeight);
@@ -489,9 +495,7 @@ export class BlockOverviewGraphComponent implements AfterViewInit, OnDestroy, On
     if (this.running && this.scene && now <= (this.scene.animateUntil + 500)) {
       this.doRun();
     } else {
-      if (this.animationHeartBeat) {
-        clearTimeout(this.animationHeartBeat);
-      }
+      clearTimeout(this.animationHeartBeat);
       this.animationHeartBeat = window.setTimeout(() => {
         this.start();
       }, 1000);

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

@@ -19,6 +19,7 @@ export class FastVertexArray {
   freeSlots: number[];
   lastSlot: number;
   dirty = false;
+  destroyed = false;
 
   constructor(length, stride) {
     this.length = length;
@@ -32,6 +33,9 @@ export class FastVertexArray {
   }
 
   insert(sprite: TxSprite): number {
+    if (this.destroyed) {
+      return;
+    }
     this.count++;
 
     let position;
@@ -45,11 +49,14 @@ export class FastVertexArray {
       }
     }
     this.sprites[position] = sprite;
-    return position;
     this.dirty = true;
+    return position;
   }
 
   remove(index: number): void {
+    if (this.destroyed) {
+      return;
+    }
     this.count--;
     this.clearData(index);
     this.freeSlots.push(index);
@@ -61,20 +68,26 @@ export class FastVertexArray {
   }
 
   setData(index: number, dataChunk: number[]): void {
+    if (this.destroyed) {
+      return;
+    }
     this.data.set(dataChunk, (index * this.stride));
     this.dirty = true;
   }
 
-  clearData(index: number): void {
+  private clearData(index: number): void {
     this.data.fill(0, (index * this.stride), ((index + 1) * this.stride));
     this.dirty = true;
   }
 
   getData(index: number): Float32Array {
+    if (this.destroyed) {
+      return;
+    }
     return this.data.subarray(index, this.stride);
   }
 
-  expand(): void {
+  private expand(): void {
     this.length *= 2;
     const newData = new Float32Array(this.length * this.stride);
     newData.set(this.data);
@@ -82,7 +95,7 @@ export class FastVertexArray {
     this.dirty = true;
   }
 
-  compact(): void {
+  private compact(): void {
     // New array length is the smallest power of 2 larger than the sprite count (but no smaller than 512)
     const newLength = Math.max(512, Math.pow(2, Math.ceil(Math.log2(this.count))));
     if (newLength !== this.length) {
@@ -110,4 +123,13 @@ export class FastVertexArray {
   getVertexData(): Float32Array {
     return this.data;
   }
+
+  destroy(): void {
+    this.data = null;
+    this.sprites = null;
+    this.freeSlots = null;
+    this.lastSlot = 0;
+    this.dirty = false;
+    this.destroyed = true;
+  }
 }

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

@@ -116,7 +116,7 @@ export class BlockViewComponent implements OnInit, OnDestroy {
         this.isLoadingBlock = false;
         this.isLoadingOverview = true;
       }),
-      shareReplay(1)
+      shareReplay({ bufferSize: 1, refCount: true })
     );
 
     this.overviewSubscription = block$.pipe(
@@ -176,5 +176,8 @@ export class BlockViewComponent implements OnInit, OnDestroy {
     if (this.queryParamsSubscription) {
       this.queryParamsSubscription.unsubscribe();
     }
+    if (this.blockGraph) {
+      this.blockGraph.destroy();
+    }
   }
 }

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

@@ -117,7 +117,7 @@ export class BlockPreviewComponent implements OnInit, OnDestroy {
         this.openGraphService.waitOver('block-data-' + this.rawId);
       }),
       throttleTime(50, asyncScheduler, { leading: true, trailing: true }),
-      shareReplay(1)
+      shareReplay({ bufferSize: 1, refCount: true })
     );
 
     this.overviewSubscription = block$.pipe(

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

@@ -1,8 +1,8 @@
 import { Component, OnInit, OnDestroy, ViewChildren, QueryList, ChangeDetectorRef } from '@angular/core';
 import { Location } from '@angular/common';
-import { ActivatedRoute, ParamMap, Router } from '@angular/router';
+import { ActivatedRoute, ParamMap, Params, Router } from '@angular/router';
 import { ElectrsApiService } from '@app/services/electrs-api.service';
-import { switchMap, tap, throttleTime, catchError, map, shareReplay, startWith, filter } from 'rxjs/operators';
+import { switchMap, tap, throttleTime, catchError, map, shareReplay, startWith, filter, take } from 'rxjs/operators';
 import { Observable, of, Subscription, asyncScheduler, EMPTY, combineLatest, forkJoin } from 'rxjs';
 import { StateService } from '@app/services/state.service';
 import { SeoService } from '@app/services/seo.service';
@@ -68,6 +68,7 @@ export class BlockComponent implements OnInit, OnDestroy {
   paginationMaxSize = window.matchMedia('(max-width: 670px)').matches ? 3 : 5;
   numUnexpected: number = 0;
   mode: 'projected' | 'actual' = 'projected';
+  currentQueryParams: Params;
 
   overviewSubscription: Subscription;
   accelerationsSubscription: Subscription;
@@ -80,8 +81,8 @@ export class BlockComponent implements OnInit, OnDestroy {
   timeLtr: boolean;
   childChangeSubscription: Subscription;
   auditPrefSubscription: Subscription;
+  isAuditEnabledSubscription: Subscription;
   oobSubscription: Subscription;
-  
   priceSubscription: Subscription;
   blockConversion: Price;
 
@@ -118,7 +119,7 @@ export class BlockComponent implements OnInit, OnDestroy {
     this.setAuditAvailable(this.auditSupported);
 
     if (this.auditSupported) {
-      this.isAuditEnabledFromParam().subscribe(auditParam => {
+      this.isAuditEnabledSubscription = this.isAuditEnabledFromParam().subscribe(auditParam => {
         if (this.auditParamEnabled) {
           this.auditModeEnabled = auditParam;
         } else {
@@ -281,7 +282,7 @@ export class BlockComponent implements OnInit, OnDestroy {
         }
       }),
       throttleTime(300, asyncScheduler, { leading: true, trailing: true }),
-      shareReplay(1)
+      shareReplay({ bufferSize: 1, refCount: true })
     );
 
     this.overviewSubscription = this.block$.pipe(
@@ -363,6 +364,7 @@ export class BlockComponent implements OnInit, OnDestroy {
       .subscribe((network) => this.network = network);
 
     this.queryParamsSubscription = this.route.queryParams.subscribe((params) => {
+      this.currentQueryParams = params;
       if (params.showDetails === 'true') {
         this.showDetails = true;
       } else {
@@ -414,6 +416,7 @@ export class BlockComponent implements OnInit, OnDestroy {
   ngOnDestroy(): void {
     this.stateService.markBlock$.next({});
     this.overviewSubscription?.unsubscribe();
+    this.accelerationsSubscription?.unsubscribe();
     this.keyNavigationSubscription?.unsubscribe();
     this.blocksSubscription?.unsubscribe();
     this.cacheBlocksSubscription?.unsubscribe();
@@ -421,8 +424,16 @@ export class BlockComponent implements OnInit, OnDestroy {
     this.queryParamsSubscription?.unsubscribe();
     this.timeLtrSubscription?.unsubscribe();
     this.childChangeSubscription?.unsubscribe();
-    this.priceSubscription?.unsubscribe();
+    this.auditPrefSubscription?.unsubscribe();
+    this.isAuditEnabledSubscription?.unsubscribe();
     this.oobSubscription?.unsubscribe();
+    this.priceSubscription?.unsubscribe();
+    this.blockGraphProjected.forEach(graph => {
+      graph.destroy();
+    });
+    this.blockGraphActual.forEach(graph => {
+      graph.destroy();
+    });
   }
 
   // TODO - Refactor this.fees/this.reward for liquid because it is not
@@ -733,19 +744,18 @@ export class BlockComponent implements OnInit, OnDestroy {
   toggleAuditMode(): void {
     this.stateService.hideAudit.next(this.auditModeEnabled);
 
-    this.route.queryParams.subscribe(params => {
-      const queryParams = { ...params };
-      delete queryParams['audit'];
+    const queryParams = { ...this.currentQueryParams };
+    delete queryParams['audit'];
 
-      let newUrl = this.router.url.split('?')[0];
-      const queryString = new URLSearchParams(queryParams).toString();
-      if (queryString) {
-        newUrl += '?' + queryString;
-      }
-  
-      this.location.replaceState(newUrl);
-    });
+    let newUrl = this.router.url.split('?')[0];
+    const queryString = new URLSearchParams(queryParams).toString();
+    if (queryString) {
+      newUrl += '?' + queryString;
+    }
+    this.location.replaceState(newUrl);
 
+    // avoid duplicate subscriptions
+    this.auditPrefSubscription?.unsubscribe();
     this.auditPrefSubscription = this.stateService.hideAudit.subscribe((hide) => {
       this.auditModeEnabled = !hide;
       this.showAudit = this.auditAvailable && this.auditModeEnabled;
@@ -762,7 +772,7 @@ export class BlockComponent implements OnInit, OnDestroy {
     return this.route.queryParams.pipe(
       map(params => {
         this.auditParamEnabled = 'audit' in params;
-        
+
         return this.auditParamEnabled ? !(params['audit'] === 'false') : true;
       })
     );

frontend/src/app/components/custom-dashboard/custom-dashboard.component.html

@@ -281,9 +281,11 @@
           <div class="col" style="max-height: 410px" [style.order]="isMobile && widget.mobileOrder || 8">
             <div class="card">
               <div class="card-body">
-                <span class="title-link">
+                <a class="title-link mb-0" style="margin-top: -2px" href="" [routerLink]="['/wallet/' + widget.props.wallet | relativeUrl]">
                   <h5 class="card-title d-inline" i18n="dashboard.treasury-transactions">Treasury Transactions</h5>
-                </span>
+                  <span>&nbsp;</span>
+                  <fa-icon [icon]="['fas', 'external-link-alt']" [fixedWidth]="true" style="vertical-align: text-top; font-size: 13px; color: var(--title-fg)"></fa-icon>
+                </a>
                 <app-address-transactions-widget [addressSummary$]="walletSummary$"></app-address-transactions-widget>
               </div>
             </div>

frontend/src/app/components/eight-blocks/eight-blocks.component.ts

@@ -162,6 +162,9 @@ export class EightBlocksComponent implements OnInit, OnDestroy {
     this.cacheBlocksSubscription?.unsubscribe();
     this.networkChangedSubscription?.unsubscribe();
     this.queryParamsSubscription?.unsubscribe();
+    this.blockGraphs.forEach(graph => {
+      graph.destroy();
+    });
   }
 
   shiftTestBlocks(): void {

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

@@ -19,12 +19,10 @@
     } @else if (!user) {
       <!-- User not logged in -->
       <div class="alert alert-mempool d-block text-center w-100">
-        <div class="d-inline align-middle">
-          <span>To use the faucet, please&nbsp;</span>
-          <a routerLink="/login" [queryParams]="{'redirectTo': '/testnet4/faucet'}">login</a>
-          <span class="mr-2">&nbsp;or</span>
+        <div class="d-inline align-middle pr-2">
+          <span>To use the faucet, please</span>
         </div>
-        <app-twitter-login customClass="btn btn-sm" width="220px" redirectTo="/testnet4/faucet" buttonString="Sign up with Twitter"></app-twitter-login>
+        <app-github-login customClass="btn btn-sm" width="150px" redirectTo="/testnet4/faucet" buttonString="Sign up with"></app-github-login>
       </div>
     }
     @else if (user && user.status === 'pending' && !user.email && user.snsId) {
@@ -36,18 +34,18 @@
       </div>
     }
     @else if (error === 'not_available') {
-      <!-- User logged in but not a paid user or did not link its Twitter account -->
+      <!-- User logged in but not a paid user or did not link its Github account -->
       <div class="alert alert-mempool d-block text-center w-100">
         <div class="d-inline align-middle">
           <span class="mb-2 mr-2">To use the faucet, please</span>
         </div>
-        <app-twitter-login customClass="btn btn-sm" width="180px" redirectTo="/testnet4/faucet" buttonString="Link your Twitter"></app-twitter-login>
+        <app-github-login customClass="btn btn-sm" width="180px" redirectTo="/testnet4/faucet" buttonString="Link your"></app-github-login>
       </div>
     }
     @else if (error === 'account_limited') {
       <div class="alert alert-mempool d-block text-center w-100">
         <div class="d-inline align-middle">
-          <span class="mb-2 mr-2">Your Twitter account does not allow you to access the faucet</span>
+          <span class="mb-2 mr-2">Your account does not allow you to access the faucet</span>
         </div>
       </div>
     }

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

@@ -24,7 +24,7 @@ export class FaucetComponent implements OnInit, OnDestroy {
     min: number; // minimum amount to request at once (in sats)
     max: number; // maximum amount to request at once
     address?: string; // faucet address
-    code: 'ok' | 'faucet_not_available' | 'faucet_maximum_reached' | 'faucet_too_soon';
+    code: 'ok' | 'faucet_not_available' | 'faucet_maximum_reached' | 'faucet_too_soon' | 'faucet_not_available_no_utxo';
   } | null = null;
   faucetForm: FormGroup;
 

frontend/src/app/components/github-login.component/github-login.component.html

@@ -0,0 +1,6 @@
+<a href="#" (click)="githubLogin()" [class]="(disabled ? 'disabled': '') + (customClass ? customClass : 'w-100 btn mt-1 d-flex justify-content-center align-items-center')" style="background-color: rgb(31, 35, 40)" [style]="width ? 'width: ' + width : ''">
+  <span class="ml-2 text-light align-middle">{{ buttonString }}</span>
+  <svg height="32" viewBox="0 0 18 16" width="32" style="fill: white; padding-left: 5px">
+    <path fill-rule="evenodd" d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0016 8c0-4.42-3.58-8-8-8z"/>
+  </svg>
+</a>

frontend/src/app/components/github-login.component/github-login.component.ts

@@ -0,0 +1,25 @@
+import { Component, EventEmitter, Input, Output } from '@angular/core';
+@Component({
+  selector: 'app-github-login',
+  templateUrl: './github-login.component.html',
+})
+export class GithubLogin {
+  @Input() width: string | null = null;
+  @Input() customClass: string | null = null;
+  @Input() buttonString: string= 'unset';
+  @Input() redirectTo: string | null = null;
+  @Output() clicked = new EventEmitter<boolean>();
+  @Input() disabled: boolean = false;
+
+  constructor() {}
+
+  githubLogin() {
+    this.clicked.emit(true);
+    if (this.redirectTo) {
+      location.replace(`/api/v1/services/auth/login/github?redirectTo=${encodeURIComponent(this.redirectTo)}`);
+    } else {
+      location.replace(`/api/v1/services/auth/login/github?redirectTo=${location.href}`);
+    }
+    return false;
+  }
+}

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

@@ -120,6 +120,7 @@ export class MempoolBlockOverviewComponent implements OnInit, OnDestroy, OnChang
   }
 
   ngOnDestroy(): void {
+    this.blockGraph?.destroy();
     this.blockSub.unsubscribe();
     this.timeLtrSubscription.unsubscribe();
     this.websocketService.stopTrackMempoolBlock();

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

@@ -10,7 +10,7 @@
       <h1 class="m-0 pt-1 pt-md-0">{{ poolStats.pool.name }}</h1>
     </div>
 
-    <div class="box">
+    <div class="box pool-details">
       <div class="row">
 
         <div class="col-lg-6">
@@ -173,7 +173,125 @@
     <div class="spinner-border text-light"></div>
   </div>
 
+  <!-- Stratum Job -->
+  <ng-container *ngIf="(job$ | async) as job;">
+    <h2 i18n="pool.next_block">Next block</h2>
+    <div class="box mb-3">
+      <div class="row" >
+        <div class="col">
+          <table class="table table-borderless table-striped">
+            <tbody>
+              <tr>
+                <td>
+                  <table class="job-table table table-xs table-borderless table-fixed table-data">
+                    <thead>
+                      <tr>
+                        <th class="data-title clip text-center height" i18n="latest-blocks.height">Height</th>
+                        <th class="data-title clip text-center expected" i18n="next-block.expected-time">Expected</th>
+                        <th class="data-title clip text-center reward" i18n="latest-blocks.reward">Reward</th>
+                        <th class="data-title clip text-center timestamp" i18n="next-block.timestamp">Timestamp</th>
+                      </tr>
+                    </thead>
+                    <tbody>
+                      <tr>
+                        <td class="text-center height">
+                          {{ job.height }}
+                        </td>
+                        <td class="text-center expected">
+                          <ng-container *ngIf="(expectedBlockTime$ | async) as expectedBlockTime; else expectedPlaceholder">
+                            <app-time kind="until" [time]="expectedBlockTime" [fastRender]="false" [fixedRender]="true" [precision]="1" minUnit="minute"></app-time>
+                          </ng-container>
+                          <ng-template #expectedPlaceholder>~</ng-template>
+                        </td>
+                        <td class="text-center reward">
+                          <app-amount [satoshis]="job.reward"></app-amount>
+                        </td>
+                        <td class="text-center timestamp">
+                          <app-timestamp [customFormat]="'yyyy-MM-dd HH:mm:ss'" [unixTime]="job.timestamp" [precision]="1" minUnit="minute" [hideTimeSince]="true"></app-timestamp>
+                        </td>
+                      </tr>
+                    </tbody>
+                  </table>
+                </td>
+              </tr>
+              <tr>
+                <td>
+                  <table class="job-table table table-xs table-borderless table-fixed table-data">
+                    <thead>
+                      <tr>
+                        <th class="data-title clip text-center coinbase" i18n="latest-blocks.coinbasetag">Coinbase tag</th>
+                        <th class="data-title clip text-center clean" i18n="next-block.clean">Clean</th>
+                        <th class="data-title clip text-center prevhash" i18n="next-block.prevhash">Prevhash</th>
+                        <th class="data-title clip text-center job-received" i18n="next-block.job-received">Job Received</th>
+                      </tr>
+                    </thead>
+                    <tbody>
+                      <tr>
+                        <td class="text-center coinbase">
+                          {{ job.scriptsig | hex2ascii }}
+                        </td>
+                        <td class="text-center clean">
+                          @if (job.cleanJobs) {
+                            <fa-icon [icon]="['fas', 'check-circle']" [fixedWidth]="true"></fa-icon>
+                          } @else {
+                            <fa-icon [icon]="['fas', 'times-circle']" [fixedWidth]="true"></fa-icon>
+                          }
+                        </td>
+                        <td class="text-center prevhash">
+                          <a [routerLink]="['/block' | relativeUrl, job.prevHash]">
+                            <app-truncate [text]="job.prevHash" [lastChars]="8"></app-truncate>
+                          </a>
+                        </td>
+                        <td class="text-center job-received">
+                          <app-timestamp [customFormat]="'yyyy-MM-dd HH:mm:ss'" [unixTime]="job.received / 1000" [precision]="1" minUnit="minute" [hideTimeSince]="true"></app-timestamp>
+                        </td>
+                      </tr>
+                    </tbody>
+                  </table>
+                </td>
+              </tr>
+              <tr>
+                <td>
+                  <table class="stratum-table">
+                    <thead>
+                      <tr>
+                        <th class="data-title clip text-center" [attr.colspan]="Math.max(job.merkleBranches.length, 12)">
+                          <a class="title-link" href="" [routerLink]="['/stratum' | relativeUrl]">
+                            Merkle Branches
+                            <span>&nbsp;</span>
+                            <fa-icon [icon]="['fas', 'external-link-alt']" [fixedWidth]="true" style="vertical-align: text-top; font-size: 13px; color: var(--title-fg)"></fa-icon>
+                          </a>
+                        </th>
+                      </tr>
+                    </thead>
+                    <tbody>
+                      <tr>
+                        @for (branch of job.merkleBranches; track $index) {
+                          <td class="merkle" [style.background-color]="branch ? '#' + branch.slice(0, 6) : ''">
+                            @if ($index === 0 && branch) {
+                              <a [routerLink]="['/tx' | relativeUrl, reverseHash(branch)]" class="cell-link">
+                                <fa-icon [icon]="['fas', 'external-link-alt']" [fixedWidth]="true" style="vertical-align: text-top; font-size: 14px; color: white"></fa-icon>
+                              </a>
+                            }
+                          </td>
+                        }
+                        @for (_ of [].constructor(Math.max(0, 12 - job.merkleBranches.length)); track $index) {
+                          <td class="merkle empty-branch"></td>
+                        }
+                      </tr>
+                    </tbody>
+                  </table>
+                </td>
+              </tr>
+            </tbody>
+          </table>
+        </div>
+      </div>
+    </div>
+  </ng-container>
+
   <!-- Blocks list -->
+  <h2 i18n="master-page.blocks">Blocks</h2>
   <table class="table table-borderless" [alwaysCallback]="true" infiniteScroll [infiniteScrollDistance]="1.5"
     [infiniteScrollUpDistance]="1.5" [infiniteScrollThrottle]="50" (scrolled)="loadMore()">
     <ng-container *ngIf="blocks$ | async as blocks; else skeleton">

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

@@ -49,111 +49,110 @@ div.scrollable {
   max-height: 75px;
 }
 
-.box {
-  padding-bottom: 5px;
+.pool-details {
   @media (min-width: 767.98px) {
     min-height: 187px;
   }
-}
 
-.label {
-  width: 25%;
-  @media (min-width: 767.98px) {
-    vertical-align: middle;
+  .label {
+    width: 25%;
+    @media (min-width: 767.98px) {
+      vertical-align: middle;
+    }
+    @media (max-width: 767.98px) {
+      font-weight: bold;
+    }
   }
-  @media (max-width: 767.98px) {
-    font-weight: bold;
+  .label.addresses {
+    vertical-align: top;
+    padding-top: 25px;
+  }
+  .addresses-data {
+    vertical-align: top;
+    font-family: monospace;
+    font-size: 14px;
   }
-}
-.label.addresses {
-  vertical-align: top;
-  padding-top: 25px;
-}
-.addresses-data {
-  vertical-align: top;
-  font-family: monospace;
-  font-size: 14px;
-}
 
-.data {
-  text-align: right;
-  padding-left: 5%;
-  @media (max-width: 992px) {
-    text-align: left;
-    padding-left: 12px;
-  }
-  @media (max-width: 450px) {
+  .data {
     text-align: right;
+    padding-left: 5%;
+    @media (max-width: 992px) {
+      text-align: left;
+      padding-left: 12px;
+    }
+    @media (max-width: 450px) {
+      text-align: right;
+    }
   }
-}
 
-.progress {
-  background-color: var(--secondary);
-}
+  .progress {
+    background-color: var(--secondary);
+  }
 
-.coinbase {
-  width: 20%;
-  @media (max-width: 875px) {
-    display: none;
-  }
-}
-
-.height {
-  width: 10%;
-}
-
-.timestamp {
-  @media (max-width: 875px) {
-    padding-left: 50px;
-  }
-  @media (max-width: 685px) {
-    display: none;
-  }
-}
-
-.mined {
-  width: 13%;
-  @media (max-width: 1100px) {
-    display: none;
-  }
-}
-
-.txs {
-  padding-right: 40px;
-  @media (max-width: 1100px) {
-    padding-right: 10px;
-  }
-  @media (max-width: 875px) {
-    padding-right: 20px;
-  }
-  @media (max-width: 567px) {
-    padding-right: 10px;
-  }
-}
-
-.size {
-  width: 12%;
-  @media (max-width: 1000px) {
-    width: 15%;
-  }
-  @media (max-width: 875px) {
+  .coinbase {
     width: 20%;
+    @media (max-width: 875px) {
+      display: none;
+    }
   }
-  @media (max-width: 650px) {
-    width: 20%;
-  }
-  @media (max-width: 450px) {
-    display: none;
-  }
-}
 
-.scriptmessage {
-	overflow: hidden;
-	display: inline-block;
-	text-overflow: ellipsis;
-	vertical-align: middle;
-	width: auto;
-  text-align: left;
+  .height {
+    width: 10%;
+  }
+
+  .timestamp {
+    @media (max-width: 875px) {
+      padding-left: 50px;
+    }
+    @media (max-width: 685px) {
+      display: none;
+    }
+  }
+
+  .mined {
+    width: 13%;
+    @media (max-width: 1100px) {
+      display: none;
+    }
+  }
+
+  .txs {
+    padding-right: 40px;
+    @media (max-width: 1100px) {
+      padding-right: 10px;
+    }
+    @media (max-width: 875px) {
+      padding-right: 20px;
+    }
+    @media (max-width: 567px) {
+      padding-right: 10px;
+    }
+  }
+
+  .size {
+    width: 12%;
+    @media (max-width: 1000px) {
+      width: 15%;
+    }
+    @media (max-width: 875px) {
+      width: 20%;
+    }
+    @media (max-width: 650px) {
+      width: 20%;
+    }
+    @media (max-width: 450px) {
+      display: none;
+    }
+  }
+
+  .scriptmessage {
+    overflow: hidden;
+    display: inline-block;
+    text-overflow: ellipsis;
+    vertical-align: middle;
+    width: auto;
+    text-align: left;
+  }
 }
 
 .skeleton-loader {
@@ -214,4 +213,69 @@ div.scrollable {
 
 .taller-row {
   height: 75px;
+}
+
+.stratum-table {
+  width: 100%;
+
+  .merkle {
+    width: 100px;
+    text-align: center;
+  }
+
+  .empty-branch {
+    outline: solid 1px white;
+    outline-offset: -1px;
+
+    &::after {
+      content: "";
+      position: absolute;
+      left: 0;
+      top: 0;
+      height: 100%;
+      width: 100%;
+      background: linear-gradient(to top left, transparent, transparent 48%, white 49%, white 51%, transparent 52%, transparent);
+    }
+  }
+
+  td {
+    position: relative;
+    height: 2em;
+
+    .cell-link {
+      position: absolute;
+      top: 0;
+      left: 0;
+      width: 100%;
+      height: 100%;
+      color: inherit;
+      text-decoration: none;
+      display: flex;
+      justify-content: center;
+      align-items: center;
+    }
+  }
+}
+
+.job-table {
+  td, th {
+    width: 25%;
+    max-width: 25%;
+    min-width: 25%;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    padding: 0.1rem 0.2rem;
+  }
+
+  @media (max-width: 767.98px) {
+    .expected, .timestamp, .clean, .job-received {
+      display: none;
+    }
+  }
+}
+
+.title-link, .title-link:hover, .title-link:focus, .title-link:active {
+  display: block;
+  text-decoration: none;
+  color: inherit;
 }

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

@@ -10,6 +10,9 @@ import { selectPowerOfTen } from '@app/bitcoin.utils';
 import { formatNumber } from '@angular/common';
 import { SeoService } from '@app/services/seo.service';
 import { HttpErrorResponse } from '@angular/common/http';
+import { StratumJob } from '../../interfaces/websocket.interface';
+import { WebsocketService } from '../../services/websocket.service';
+import { MiningService } from '../../services/mining.service';
 
 interface AccelerationTotal {
   cost: number,
@@ -27,12 +30,16 @@ export class PoolComponent implements OnInit {
   @Input() left: number | string = 75;
 
   gfg = true;
+  stratumEnabled = this.stateService.env.STRATUM_ENABLED;
 
   formatNumber = formatNumber;
+  Math = Math;
   slugSubscription: Subscription;
   poolStats$: Observable<PoolStat>;
   blocks$: Observable<BlockExtended[]>;
   oobFees$: Observable<AccelerationTotal[]>;
+  job$: Observable<StratumJob | null>;
+  expectedBlockTime$: Observable<number>;
   isLoading = true;
   error: HttpErrorResponse | null = null;
 
@@ -53,6 +60,8 @@ export class PoolComponent implements OnInit {
     private apiService: ApiService,
     private route: ActivatedRoute,
     public stateService: StateService,
+    private websocketService: WebsocketService,
+    private miningService: MiningService,
     private seoService: SeoService,
   ) {
     this.auditAvailable = this.stateService.env.AUDIT;
@@ -62,7 +71,7 @@ export class PoolComponent implements OnInit {
     this.slugSubscription = this.route.params.pipe(map((params) => params.slug)).subscribe((slug) => {
       this.isLoading = true;
       this.blocks = [];
-      this.chartOptions = {};  
+      this.chartOptions = {};
       this.slug = slug;
       this.initializeObservables();
     });
@@ -129,6 +138,31 @@ export class PoolComponent implements OnInit {
       }),
       filter(oob => oob.length === 3 && oob[2].count > 0)
     );
+
+    if (this.stratumEnabled) {
+      this.job$ = combineLatest([
+        this.poolStats$.pipe(
+          tap((poolStats) => {
+            this.websocketService.startTrackStratum(poolStats.pool.unique_id);
+          })
+        ),
+        this.stateService.stratumJobs$
+      ]).pipe(
+        map(([poolStats, jobs]) => {
+          return jobs[poolStats.pool.unique_id];
+        })
+      );
+
+      this.expectedBlockTime$ = combineLatest([
+        this.miningService.getMiningStats('1w'),
+        this.poolStats$,
+        this.stateService.difficultyAdjustment$
+      ]).pipe(
+        map(([miningStats, poolStat, da]) => {
+          return (da.timeAvg / ((poolStat.estimatedHashrate || 0) / (miningStats.lastEstimatedHashrate * 1_000_000_000_000_000_000))) + Date.now() + da.timeOffset;
+        })
+      );
+    }
   }
 
   prepareChartOptions(hashrate, share) {
@@ -327,6 +361,10 @@ export class PoolComponent implements OnInit {
     return block.height;
   }
 
+  reverseHash(hash: string) {
+    return hash.match(/../g).reverse().join('');
+  }
+
   ngOnDestroy(): void {
     this.slugSubscription.unsubscribe();
   }

frontend/src/app/components/server-health/server-health.component.ts

@@ -82,6 +82,10 @@ export class ServerHealthComponent implements OnInit {
       return '🇺🇸';
     } else if (host.includes('.va1.')) {
       return '🇺🇸';
+    } else if (host.includes('.sg1.')) {
+      return '🇸🇬';
+    } else if (host.includes('.hnl.')) {
+      return '🤙';
     } else {
       return '';
     }

frontend/src/app/components/stratum/stratum-list/stratum-list.component.html

@@ -0,0 +1,55 @@
+<div class="container-xl" style="min-height: 335px">
+  <h1 class="float-left" i18n="master-page.blocks">Stratum Jobs</h1>
+
+  <div class="clearfix"></div>
+
+  <div style="min-height: 295px">
+    <table *ngIf="poolsReady && (rows$ | async) as rows;" class="stratum-table">
+      <thead>
+        <tr>
+          <td class="merkle" [attr.colspan]="rows[0]?.merkleCells?.length || 4">
+            Merkle Branches
+          </td>
+          <td class="pool">Pool</td>
+          <td class="tag">Coinbase Tag</td>
+          <td class="reward">Reward</td>
+          <td class="height">Height</td>
+        </tr>
+      </thead>
+      <tbody>
+        @for (row of rows; track row.job.pool) {
+          <tr>
+            @for (cell of row.merkleCells; track $index) {
+              <td class="merkle" [style.background-color]="cell.hash ? '#' + cell.hash.slice(0, 6) : ''">
+                @if ($index === 0 && cell.hash) {
+                  <a [routerLink]="['/tx' | relativeUrl, reverseHash(cell.hash)]" class="cell-link">
+                    <div class="pipe-segment" [class]="pipeToClass(cell.type)"></div>
+                  </a>
+                } @else {
+                  <div class="pipe-segment" [class]="pipeToClass(cell.type)"></div>
+                }
+              </td>
+            }
+            <td class="pool">
+              @if (pools[row.job.pool]) {
+                <a class="badge" [routerLink]="[('/mining/pool/' + pools[row.job.pool].slug) | relativeUrl]">
+                  <img class="pool-logo" [src]="'/resources/mining-pools/' + pools[row.job.pool].slug + '.svg'" onError="this.src = '/resources/mining-pools/default.svg'" [alt]="'Logo of ' + pools[row.job.pool].name + ' mining pool'"> 
+                  {{ pools[row.job.pool].name}}
+                </a>
+              }
+            </td>
+            <td class="tag">
+              {{ row.job.tag }}
+            </td>
+            <td class="reward">
+              <app-amount [satoshis]="row.job.reward"></app-amount>
+            </td>
+            <td class="height">
+              {{ row.job.height }}
+            </td>
+          </tr>
+        }
+      </tbody>
+    </table>
+  </div>
+</div>

frontend/src/app/components/stratum/stratum-list/stratum-list.component.scss

@@ -0,0 +1,138 @@
+.stratum-table {
+  width: 100%;
+}
+
+td {
+  position: relative;
+  height: 2em;
+
+  &.height, &.reward, &.tag {
+    padding: 0 5px;
+  }
+
+  &.tag {
+    max-width: 180px;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+  }
+  
+  &.pool {
+    padding-left: 5px;
+    padding-right: 20px;
+  }
+
+  &.merkle {
+    width: 100px;
+    .pipe-segment {
+      position: absolute;
+      border-color: white;
+      box-sizing: content-box;
+
+      &.vertical {
+        top: 0;
+        right: 0;
+        width: 50%;
+        height: 100%;
+        border-left: solid 4px;
+      }
+      &.horizontal {
+        bottom: 0;
+        left: 0;
+        width: 100%;
+        height: 50%;
+        border-top: solid 4px;
+      }
+      &.branch-top {
+        bottom: 0;
+        right: 0;
+        width: 100%;
+        height: 50%;
+        border-top: solid 4px;
+        &::after {
+          content: "";
+          position: absolute;
+          box-sizing: content-box;
+          top: -4px;
+          right: 0px;
+          bottom: 0;
+          width: 50%;
+          border-top: solid 4px;
+          border-left: solid 4px;
+          border-top-left-radius: 5px;
+        }
+      }
+      &.branch-mid {
+        bottom: 0;
+        right: 0px;
+        width: 50%;
+        height: 100%;
+        border-left: solid 4px;
+        &::after {
+          content: "";
+          position: absolute;
+          box-sizing: content-box;
+          top: -4px;
+          left: -4px;
+          width: 100%;
+          height: 50%;
+          border-bottom: solid 4px;
+          border-left: solid 4px;
+          border-bottom-left-radius: 5px;
+        }
+      }
+      &.branch-end {
+        top: -4px;
+        right: 0;
+        width: 50%;
+        height: 50%;
+        border-bottom-left-radius: 5px;
+        border-bottom: solid 4px;
+        border-left: solid 4px;
+      }
+    }
+  }
+
+  .cell-link {
+    position: absolute;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    color: inherit;
+    text-decoration: none;
+  }
+}
+
+@media (max-width: 800px) {
+  .stratum-table {
+    td {
+      &.tag {
+        display: none;
+      }
+    }
+  }
+}
+
+@media (max-width: 650px) {
+  .stratum-table {
+    td {
+      &.reward {
+        display: none;
+      }
+    }
+  }
+}
+
+.badge {
+  position: relative;
+  color: #FFF;
+}
+
+.pool-logo {
+  width: 15px;
+  height: 15px;
+  position: relative;
+  top: -1px;
+  margin-right: 2px;
+}

frontend/src/app/components/stratum/stratum-list/stratum-list.component.ts

@@ -0,0 +1,230 @@
+import { Component, OnInit, ChangeDetectionStrategy, OnDestroy, ChangeDetectorRef } from '@angular/core';
+import { StateService } from '../../../services/state.service';
+import { WebsocketService } from '../../../services/websocket.service';
+import { map, Observable } from 'rxjs';
+import { StratumJob } from '../../../interfaces/websocket.interface';
+import { MiningService } from '../../../services/mining.service';
+import { SinglePoolStats } from '../../../interfaces/node-api.interface';
+
+type MerkleCellType = ' ' | '┬' | '├' | '└' | '│' | '─' | 'leaf';
+
+
+interface TaggedStratumJob extends StratumJob {
+  tag: string;
+  merkleBranchIds: string[];
+}
+
+interface MerkleCell {
+  hash: string;
+  type: MerkleCellType;
+  job?: TaggedStratumJob;
+}
+
+interface MerkleTree {
+  hash?: string;
+  job: string;
+  size: number;
+  children?: MerkleTree[];
+}
+
+interface PoolRow {
+  job: TaggedStratumJob;
+  merkleCells: MerkleCell[];
+}
+
+function parseTag(scriptSig: string): string {
+  const hex = scriptSig.slice(8).replace(/6d6d.{64}/, '');
+  const bytes: number[] = [];
+  for (let i = 0; i < hex.length; i += 2) {
+    bytes.push(parseInt(hex.substr(i, 2), 16));
+  }
+  // eslint-disable-next-line no-control-regex
+  const ascii = new TextDecoder('utf8').decode(Uint8Array.from(bytes)).replace(/\uFFFD/g, '').replace(/\\0/g, '').replace(/[\x00-\x1F\x7F-\x9F]/g, '');
+  if (ascii.includes('/ViaBTC/')) {
+    return '/ViaBTC/';
+  } else if (ascii.includes('SpiderPool/')) {
+    return 'SpiderPool/';
+  }
+  return (ascii.match(/\/.*\//)?.[0] || ascii).trim();
+}
+
+function getMerkleBranchIds(merkleBranches: string[], numBranches: number, poolId: number): string[] {
+  let lastHash = '';
+  const ids: string[] = [];
+  for (let i = 0; i < numBranches; i++) {
+    if (merkleBranches[i]) {
+      lastHash = merkleBranches[i];
+      ids.push(`${i}-${lastHash}`);
+    } else {
+      ids.push(`${i}-${lastHash}-${poolId}`);
+    }
+  }
+  return ids;
+}
+
+@Component({
+  selector: 'app-stratum-list',
+  templateUrl: './stratum-list.component.html',
+  styleUrls: ['./stratum-list.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class StratumList implements OnInit, OnDestroy {
+  rows$: Observable<PoolRow[]>;
+  pools: { [id: number]: SinglePoolStats } = {};
+  poolsReady: boolean = false;
+
+  constructor(
+    private stateService: StateService,
+    private websocketService: WebsocketService,
+    private miningService: MiningService,
+    private cd: ChangeDetectorRef,
+  ) {}
+
+  ngOnInit(): void {
+    this.websocketService.want(['stats', 'blocks', 'mempool-blocks']);
+    this.miningService.getPools().subscribe(pools => {
+      this.pools = {};
+      for (const pool of pools) {
+        this.pools[pool.unique_id] = pool;
+      }
+      this.poolsReady = true;
+      this.cd.markForCheck();
+    });
+    this.rows$ = this.stateService.stratumJobs$.pipe(
+      map((jobs) => this.processJobs(jobs)),
+    );
+    this.websocketService.startTrackStratum('all');
+  }
+
+  processJobs(rawJobs: Record<string, StratumJob>): PoolRow[] {
+    const numBranches = Math.max(...Object.values(rawJobs).map(job => job.merkleBranches.length));
+    const jobs: Record<string, TaggedStratumJob> = {};
+    for (const [id, job] of Object.entries(rawJobs)) {
+      jobs[id] = { ...job, tag: parseTag(job.scriptsig), merkleBranchIds: getMerkleBranchIds(job.merkleBranches, numBranches, job.pool) };
+    }
+    if (Object.keys(jobs).length === 0) {
+      return [];
+    }
+
+    let trees: MerkleTree[] = Object.keys(jobs).map(job => ({
+      job,
+      size: 1,
+    }));
+
+    // build tree from bottom up
+    for (let col = numBranches - 1; col >= 0; col--) {
+      const groups: Record<string, MerkleTree[]> = {};
+      for (const tree of trees) {
+        const branchId = jobs[tree.job].merkleBranchIds[col];
+        if (!groups[branchId]) {
+          groups[branchId] = [];
+        }
+        groups[branchId].push(tree);
+      }
+
+      trees = Object.values(groups).map(group => ({
+        hash: jobs[group[0].job].merkleBranches[col],
+        job: group[0].job,
+        children: group,
+        size: group.reduce((acc, tree) => acc + tree.size, 0),
+      }));
+    }
+
+    // initialize grid of cells
+    const rows: (MerkleCell | null)[][] = [];
+    for (let i = 0; i < Object.keys(jobs).length; i++) {
+      const row: (MerkleCell | null)[] = [];
+      for (let j = 0; j <= numBranches; j++) {
+        row.push(null);
+      }
+      rows.push(row);
+    }
+
+    // fill in the cells
+    let colTrees = [trees.sort((a, b) => {
+      if (a.size !== b.size) {
+        return b.size - a.size;
+      }
+      return a.job.localeCompare(b.job);
+    })];
+    for (let col = 0; col <= numBranches; col++) {
+      let row = 0;
+      const nextTrees: MerkleTree[][] = [];
+      for (let g = 0; g < colTrees.length; g++) {
+        for (let t = 0; t < colTrees[g].length; t++) {
+          const tree = colTrees[g][t];
+          const isFirstTree = (t === 0);
+          const isLastTree = (t === colTrees[g].length - 1);
+          for (let i = 0; i < tree.size; i++) {
+            const isFirstCell = (i === 0);
+            const isLeaf = (col === numBranches);
+            rows[row][col] = {
+              hash: tree.hash,
+              job: isLeaf ? jobs[tree.job] : undefined,
+              type: 'leaf',
+            };
+            if (col > 0) {
+              rows[row][col - 1].type = getCellType(isFirstCell, isFirstTree, isLastTree);
+            }
+            row++;
+          }
+          if (tree.children) {
+            nextTrees.push(tree.children.sort((a, b) => {
+              if (a.size !== b.size) {
+                return b.size - a.size;
+              }
+              return a.job.localeCompare(b.job);
+            }));
+          }
+        }
+      }
+      colTrees = nextTrees;
+    }
+    return rows.map(row => ({
+      job: row[row.length - 1].job,
+      merkleCells: row.slice(0, -1),
+    }));
+  }
+
+  pipeToClass(type: MerkleCellType): string {
+    return {
+      ' ': 'empty',
+      '┬': 'branch-top',
+      '├': 'branch-mid',
+      '└': 'branch-end',
+      '│': 'vertical',
+      '─': 'horizontal',
+      'leaf': 'leaf'
+    }[type];
+  }
+
+  reverseHash(hash: string) {
+    return hash.match(/../g).reverse().join('');
+  }
+
+  ngOnDestroy(): void {
+    this.websocketService.stopTrackStratum();
+  }
+}
+
+function getCellType(isFirstCell, isFirstTree, isLastTree): MerkleCellType {
+  if (isFirstCell) {
+    if (isFirstTree) {
+      if (isLastTree) {
+        return '─';
+      } else {
+        return '┬';
+      }
+    } else if (isLastTree) {
+      return '└';
+    } else {
+      return '├';
+    }
+  } else {
+    if (isLastTree) {
+      return ' ';
+    } else {
+      return '│';
+    }
+  }
+}

frontend/src/app/components/svg-images/svg-images.component.html

@@ -1,4 +1,47 @@
 <ng-container [ngSwitch]="name">
+  <ng-container *ngSwitchCase="'VISA'">
+    <svg xmlns="http://www.w3.org/2000/svg" [attr.width]="width" [attr.height]="height" viewBox="0 0 576 512" fill="white" xmlns="http://www.w3.org/2000/svg">
+      <!--!Font Awesome Free 6.7.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free Copyright 2025 Fonticons, Inc.-->
+      <path d="M470.1 231.3s7.6 37.2 9.3 45H446c3.3-8.9 16-43.5 16-43.5-.2 .3 3.3-9.1 5.3-14.9l2.8 13.4zM576 80v352c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V80c0-26.5 21.5-48 48-48h480c26.5 0 48 21.5 48 48zM152.5 331.2L215.7 176h-42.5l-39.3 106-4.3-21.5-14-71.4c-2.3-9.9-9.4-12.7-18.2-13.1H32.7l-.7 3.1c15.8 4 29.9 9.8 42.2 17.1l35.8 135h42.5zm94.4 .2L272.1 176h-40.2l-25.1 155.4h40.1zm139.9-50.8c.2-17.7-10.6-31.2-33.7-42.3-14.1-7.1-22.7-11.9-22.7-19.2 .2-6.6 7.3-13.4 23.1-13.4 13.1-.3 22.7 2.8 29.9 5.9l3.6 1.7 5.5-33.6c-7.9-3.1-20.5-6.6-36-6.6-39.7 0-67.6 21.2-67.8 51.4-.3 22.3 20 34.7 35.2 42.2 15.5 7.6 20.8 12.6 20.8 19.3-.2 10.4-12.6 15.2-24.1 15.2-16 0-24.6-2.5-37.7-8.3l-5.3-2.5-5.6 34.9c9.4 4.3 26.8 8.1 44.8 8.3 42.2 .1 69.7-20.8 70-53zM528 331.4L495.6 176h-31.1c-9.6 0-16.9 2.8-21 12.9l-59.7 142.5H426s6.9-19.2 8.4-23.3H486c1.2 5.5 4.8 23.3 4.8 23.3H528z"/>
+    </svg>
+  </ng-container>
+
+  <ng-container *ngSwitchCase="'MASTERCARD'">
+    <svg xmlns="http://www.w3.org/2000/svg" [attr.width]="width" [attr.height]="height" viewBox="0 0 576 512" fill="white" xmlns="http://www.w3.org/2000/svg">
+      <!--!Font Awesome Free 6.7.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free Copyright 2025 Fonticons, Inc.--><path d="M482.9 410.3c0 6.8-4.6 11.7-11.2 11.7-6.8 0-11.2-5.2-11.2-11.7 0-6.5 4.4-11.7 11.2-11.7 6.6 0 11.2 5.2 11.2 11.7zm-310.8-11.7c-7.1 0-11.2 5.2-11.2 11.7 0 6.5 4.1 11.7 11.2 11.7 6.5 0 10.9-4.9 10.9-11.7-.1-6.5-4.4-11.7-10.9-11.7zm117.5-.3c-5.4 0-8.7 3.5-9.5 8.7h19.1c-.9-5.7-4.4-8.7-9.6-8.7zm107.8 .3c-6.8 0-10.9 5.2-10.9 11.7 0 6.5 4.1 11.7 10.9 11.7 6.8 0 11.2-4.9 11.2-11.7 0-6.5-4.4-11.7-11.2-11.7zm105.9 26.1c0 .3 .3 .5 .3 1.1 0 .3-.3 .5-.3 1.1-.3 .3-.3 .5-.5 .8-.3 .3-.5 .5-1.1 .5-.3 .3-.5 .3-1.1 .3-.3 0-.5 0-1.1-.3-.3 0-.5-.3-.8-.5-.3-.3-.5-.5-.5-.8-.3-.5-.3-.8-.3-1.1 0-.5 0-.8 .3-1.1 0-.5 .3-.8 .5-1.1 .3-.3 .5-.3 .8-.5 .5-.3 .8-.3 1.1-.3 .5 0 .8 0 1.1 .3 .5 .3 .8 .3 1.1 .5s.2 .6 .5 1.1zm-2.2 1.4c.5 0 .5-.3 .8-.3 .3-.3 .3-.5 .3-.8 0-.3 0-.5-.3-.8-.3 0-.5-.3-1.1-.3h-1.6v3.5h.8V426h.3l1.1 1.4h.8l-1.1-1.3zM576 81v352c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V81c0-26.5 21.5-48 48-48h480c26.5 0 48 21.5 48 48zM64 220.6c0 76.5 62.1 138.5 138.5 138.5 27.2 0 53.9-8.2 76.5-23.1-72.9-59.3-72.4-171.2 0-230.5-22.6-15-49.3-23.1-76.5-23.1-76.4-.1-138.5 62-138.5 138.2zm224 108.8c70.5-55 70.2-162.2 0-217.5-70.2 55.3-70.5 162.6 0 217.5zm-142.3 76.3c0-8.7-5.7-14.4-14.7-14.7-4.6 0-9.5 1.4-12.8 6.5-2.4-4.1-6.5-6.5-12.2-6.5-3.8 0-7.6 1.4-10.6 5.4V392h-8.2v36.7h8.2c0-18.9-2.5-30.2 9-30.2 10.2 0 8.2 10.2 8.2 30.2h7.9c0-18.3-2.5-30.2 9-30.2 10.2 0 8.2 10 8.2 30.2h8.2v-23zm44.9-13.7h-7.9v4.4c-2.7-3.3-6.5-5.4-11.7-5.4-10.3 0-18.2 8.2-18.2 19.3 0 11.2 7.9 19.3 18.2 19.3 5.2 0 9-1.9 11.7-5.4v4.6h7.9V392zm40.5 25.6c0-15-22.9-8.2-22.9-15.2 0-5.7 11.9-4.8 18.5-1.1l3.3-6.5c-9.4-6.1-30.2-6-30.2 8.2 0 14.3 22.9 8.3 22.9 15 0 6.3-13.5 5.8-20.7 .8l-3.5 6.3c11.2 7.6 32.6 6 32.6-7.5zm35.4 9.3l-2.2-6.8c-3.8 2.1-12.2 4.4-12.2-4.1v-16.6h13.1V392h-13.1v-11.2h-8.2V392h-7.6v7.3h7.6V416c0 17.6 17.3 14.4 22.6 10.9zm13.3-13.4h27.5c0-16.2-7.4-22.6-17.4-22.6-10.6 0-18.2 7.9-18.2 19.3 0 20.5 22.6 23.9 33.8 14.2l-3.8-6c-7.8 6.4-19.6 5.8-21.9-4.9zm59.1-21.5c-4.6-2-11.6-1.8-15.2 4.4V392h-8.2v36.7h8.2V408c0-11.6 9.5-10.1 12.8-8.4l2.4-7.6zm10.6 18.3c0-11.4 11.6-15.1 20.7-8.4l3.8-6.5c-11.6-9.1-32.7-4.1-32.7 15 0 19.8 22.4 23.8 32.7 15l-3.8-6.5c-9.2 6.5-20.7 2.6-20.7-8.6zm66.7-18.3H408v4.4c-8.3-11-29.9-4.8-29.9 13.9 0 19.2 22.4 24.7 29.9 13.9v4.6h8.2V392zm33.7 0c-2.4-1.2-11-2.9-15.2 4.4V392h-7.9v36.7h7.9V408c0-11 9-10.3 12.8-8.4l2.4-7.6zm40.3-14.9h-7.9v19.3c-8.2-10.9-29.9-5.1-29.9 13.9 0 19.4 22.5 24.6 29.9 13.9v4.6h7.9v-51.7zm7.6-75.1v4.6h.8V302h1.9v-.8h-4.6v.8h1.9zm6.6 123.8c0-.5 0-1.1-.3-1.6-.3-.3-.5-.8-.8-1.1-.3-.3-.8-.5-1.1-.8-.5 0-1.1-.3-1.6-.3-.3 0-.8 .3-1.4 .3-.5 .3-.8 .5-1.1 .8-.5 .3-.8 .8-.8 1.1-.3 .5-.3 1.1-.3 1.6 0 .3 0 .8 .3 1.4 0 .3 .3 .8 .8 1.1 .3 .3 .5 .5 1.1 .8 .5 .3 1.1 .3 1.4 .3 .5 0 1.1 0 1.6-.3 .3-.3 .8-.5 1.1-.8 .3-.3 .5-.8 .8-1.1 .3-.6 .3-1.1 .3-1.4zm3.2-124.7h-1.4l-1.6 3.5-1.6-3.5h-1.4v5.4h.8v-4.1l1.6 3.5h1.1l1.4-3.5v4.1h1.1v-5.4zm4.4-80.5c0-76.2-62.1-138.3-138.5-138.3-27.2 0-53.9 8.2-76.5 23.1 72.1 59.3 73.2 171.5 0 230.5 22.6 15 49.5 23.1 76.5 23.1 76.4 .1 138.5-61.9 138.5-138.4z"/>
+    </svg>
+  </ng-container>
+
+  <ng-container *ngSwitchCase="'JCB'">
+    <svg xmlns="http://www.w3.org/2000/svg" [attr.width]="width" [attr.height]="height" viewBox="0 0 576 512" fill="white" xmlns="http://www.w3.org/2000/svg">
+      <!--!Font Awesome Free 6.7.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free Copyright 2025 Fonticons, Inc.--><path d="M431.5 244.3V212c41.2 0 38.5 .2 38.5 .2 7.3 1.3 13.3 7.3 13.3 16 0 8.8-6 14.5-13.3 15.8-1.2 .4-3.3 .3-38.5 .3zm42.8 20.2c-2.8-.7-3.3-.5-42.8-.5v35c39.6 0 40 .2 42.8-.5 7.5-1.5 13.5-8 13.5-17 0-8.7-6-15.5-13.5-17zM576 80v352c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V80c0-26.5 21.5-48 48-48h480c26.5 0 48 21.5 48 48zM182 192.3h-57c0 67.1 10.7 109.7-35.8 109.7-19.5 0-38.8-5.7-57.2-14.8v28c30 8.3 68 8.3 68 8.3 97.9 0 82-47.7 82-131.2zm178.5 4.5c-63.4-16-165-14.9-165 59.3 0 77.1 108.2 73.6 165 59.2V287C312.9 311.7 253 309 253 256s59.8-55.6 107.5-31.2v-28zM544 286.5c0-18.5-16.5-30.5-38-32v-.8c19.5-2.7 30.3-15.5 30.3-30.2 0-19-15.7-30-37-31 0 0 6.3-.3-120.3-.3v127.5h122.7c24.3 .1 42.3-12.9 42.3-33.2z"/>
+    </svg>
+  </ng-container>
+
+  <ng-container *ngSwitchCase="'DISCOVER'">
+    <svg xmlns="http://www.w3.org/2000/svg" [attr.width]="width" [attr.height]="height" viewBox="0 0 576 512" fill="white" xmlns="http://www.w3.org/2000/svg">
+      <!--!Font Awesome Free 6.7.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free Copyright 2025 Fonticons, Inc.--><path d="M520.4 196.1c0-7.9-5.5-12.1-15.6-12.1h-4.9v24.9h4.7c10.3 0 15.8-4.4 15.8-12.8zM528 32H48C21.5 32 0 53.5 0 80v352c0 26.5 21.5 48 48 48h480c26.5 0 48-21.5 48-48V80c0-26.5-21.5-48-48-48zm-44.1 138.9c22.6 0 52.9-4.1 52.9 24.4 0 12.6-6.6 20.7-18.7 23.2l25.8 34.4h-19.6l-22.2-32.8h-2.2v32.8h-16zm-55.9 .1h45.3v14H444v18.2h28.3V217H444v22.2h29.3V253H428zm-68.7 0l21.9 55.2 22.2-55.2h17.5l-35.5 84.2h-8.6l-35-84.2zm-55.9-3c24.7 0 44.6 20 44.6 44.6 0 24.7-20 44.6-44.6 44.6-24.7 0-44.6-20-44.6-44.6 0-24.7 20-44.6 44.6-44.6zm-49.3 6.1v19c-20.1-20.1-46.8-4.7-46.8 19 0 25 27.5 38.5 46.8 19.2v19c-29.7 14.3-63.3-5.7-63.3-38.2 0-31.2 33.1-53 63.3-38zm-97.2 66.3c11.4 0 22.4-15.3-3.3-24.4-15-5.5-20.2-11.4-20.2-22.7 0-23.2 30.6-31.4 49.7-14.3l-8.4 10.8c-10.4-11.6-24.9-6.2-24.9 2.5 0 4.4 2.7 6.9 12.3 10.3 18.2 6.6 23.6 12.5 23.6 25.6 0 29.5-38.8 37.4-56.6 11.3l10.3-9.9c3.7 7.1 9.9 10.8 17.5 10.8zM55.4 253H32v-82h23.4c26.1 0 44.1 17 44.1 41.1 0 18.5-13.2 40.9-44.1 40.9zm67.5 0h-16v-82h16zM544 433c0 8.2-6.8 15-15 15H128c189.6-35.6 382.7-139.2 416-160zM74.1 191.6c-5.2-4.9-11.6-6.6-21.9-6.6H48v54.2h4.2c10.3 0 17-2 21.9-6.4 5.7-5.2 8.9-12.8 8.9-20.7s-3.2-15.5-8.9-20.5z"/>
+    </svg>
+  </ng-container>
+
+  <ng-container *ngSwitchCase="'DISCOVER_DINERS'">
+    <svg xmlns="http://www.w3.org/2000/svg" [attr.width]="width" [attr.height]="height" viewBox="0 0 576 512" fill="white" xmlns="http://www.w3.org/2000/svg">
+      <!--!Font Awesome Free 6.7.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free Copyright 2025 Fonticons, Inc.--><path d="M239.7 79.9c-96.9 0-175.8 78.6-175.8 175.8 0 96.9 78.9 175.8 175.8 175.8 97.2 0 175.8-78.9 175.8-175.8 0-97.2-78.6-175.8-175.8-175.8zm-39.9 279.6c-41.7-15.9-71.4-56.4-71.4-103.8s29.7-87.9 71.4-104.1v207.9zm79.8 .3V151.6c41.7 16.2 71.4 56.7 71.4 104.1s-29.7 87.9-71.4 104.1zM528 32H48C21.5 32 0 53.5 0 80v352c0 26.5 21.5 48 48 48h480c26.5 0 48-21.5 48-48V80c0-26.5-21.5-48-48-48zM329.7 448h-90.3c-106.2 0-193.8-85.5-193.8-190.2C45.6 143.2 133.2 64 239.4 64h90.3c105 0 200.7 79.2 200.7 193.8 0 104.7-95.7 190.2-200.7 190.2z"/>
+    </svg>
+  </ng-container>
+
+  <ng-container *ngSwitchCase="'AMERICAN_EXPRESS'">
+    <svg xmlns="http://www.w3.org/2000/svg" [attr.width]="width" [attr.height]="height" viewBox="0 0 576 512" fill="white" xmlns="http://www.w3.org/2000/svg">
+      <!--!Font Awesome Free 6.7.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free Copyright 2025 Fonticons, Inc.--><path d="M0 432c0 26.5 21.5 48 48 48H528c26.5 0 48-21.5 48-48v-1.1H514.3l-31.9-35.1-31.9 35.1H246.8V267.1H181L262.7 82.4h78.6l28.1 63.2V82.4h97.2L483.5 130l17-47.6H576V80c0-26.5-21.5-48-48-48H48C21.5 32 0 53.5 0 80V432zm440.4-21.7L482.6 364l42 46.3H576l-68-72.1 68-72.1H525.4l-42 46.7-41.5-46.7H390.5L458 338.6l-67.4 71.6V377.1h-83V354.9h80.9V322.6H307.6V300.2h83V267.1h-122V410.3H440.4zm96.3-72L576 380.2V296.9l-39.3 41.4zm-36.3-92l36.9-100.6V246.3H576V103H515.8l-32.2 89.3L451.7 103H390.5V246.1L327.3 103H276.1L213.7 246.3h43l11.9-28.7h65.9l12 28.7h82.7V146L466 246.3h34.4zM282 185.4l19.5-46.9 19.4 46.9H282z"/>
+    </svg>
+  </ng-container>
+
+  <ng-container *ngSwitchCase="'OTHER_BRAND'">
+    <svg xmlns="http://www.w3.org/2000/svg" [attr.width]="width" [attr.height]="height" viewBox="0 0 576 512" fill="white" xmlns="http://www.w3.org/2000/svg">
+      <!--!Font Awesome Free 6.7.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free Copyright 2025 Fonticons, Inc.--><path d="M512 80c8.8 0 16 7.2 16 16l0 32L48 128l0-32c0-8.8 7.2-16 16-16l448 0zm16 144l0 192c0 8.8-7.2 16-16 16L64 432c-8.8 0-16-7.2-16-16l0-192 480 0zM64 32C28.7 32 0 60.7 0 96L0 416c0 35.3 28.7 64 64 64l448 0c35.3 0 64-28.7 64-64l0-320c0-35.3-28.7-64-64-64L64 32zm56 304c-13.3 0-24 10.7-24 24s10.7 24 24 24l48 0c13.3 0 24-10.7 24-24s-10.7-24-24-24l-48 0zm128 0c-13.3 0-24 10.7-24 24s10.7 24 24 24l112 0c13.3 0 24-10.7 24-24s-10.7-24-24-24l-112 0z"/>
+    </svg>
+  </ng-container>
+
   <ng-container *ngSwitchCase="'officialMempoolSpace'">
     <svg [class]="class" [style]="style" [attr.width]="width" [attr.height]="height" [attr.viewBox]="viewBox" fill="none" xmlns="http://www.w3.org/2000/svg">
       <path d="M163.658 113.263C161.089 113.263 158.992 111.146 158.992 108.535C158.992 105.966 161.048 103.951 163.658 103.951C166.269 103.951 168.325 105.966 168.325 108.535C168.325 111.125 166.228 113.263 163.658 113.263Z" fill="#9857FF"/>

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

@@ -124,7 +124,6 @@
           <ng-container *ngIf="(ETA$ | async) as eta;">
             <app-accelerate-checkout
               *ngIf="(da$ | async) as da;"
-              [cashappEnabled]="cashappEligible"
               [advancedEnabled]="false"
               [forceMobile]="true"
               [tx]="tx"

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

@@ -756,10 +756,6 @@ export class TrackerComponent implements OnInit, OnDestroy {
     }
   }
 
-  get cashappEligible(): boolean {
-    return this.mempoolPosition?.block > 0 && this.tx.weight < 4000;
-  }
-
   get showAccelerationSummary(): boolean {
     return (
       this.tx

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

@@ -24,6 +24,7 @@
           [height]="tx?.status?.block_height"
           [replaced]="replaced"
           [removed]="this.rbfInfo?.mined && !this.tx?.status?.confirmed"
+          [cached]="isCached"
         ></app-confirmations>
       </div>
     </ng-container>
@@ -138,7 +139,6 @@
 
       <app-accelerate-checkout
         *ngIf="(da$ | async) as da;"
-        [cashappEnabled]="cashappEligible"
         [advancedEnabled]="true"
         [tx]="tx"
         [accelerating]="isAcceleration"

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

@@ -156,7 +156,6 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
   showAccelerationDetails = false;
   hasAccelerationDetails = false;
   scrollIntoAccelPreview = false;
-  cashappEligible = false;
   auditEnabled: boolean = this.stateService.env.AUDIT && this.stateService.env.BASE_MODULE === 'mempool' && this.stateService.env.MINING_DASHBOARD === true;
   isMempoolSpaceBuild = this.stateService.isMempoolSpaceBuild;
 
@@ -240,7 +239,7 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
         retry({ count: 2, delay: 2000 }),
         // Try again until we either get a valid response, or the transaction is confirmed
         repeat({ delay: 2000 }),
-        filter((transactionTimes) => transactionTimes?.length && transactionTimes[0] > 0 && !this.tx.status?.confirmed),
+        filter((transactionTimes) => transactionTimes?.[0] > 0 || this.tx.status?.confirmed),
         take(1),
       )),
     )
@@ -528,9 +527,6 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
                   this.miningStats = stats;
                 });
               }
-              if (txPosition.position?.block > 0 && this.tx.weight < 4000) {
-                this.cashappEligible = true;
-              }
               if (!this.gotInitialPosition && txPosition.position?.block === 0 && txPosition.position?.vsize < 750_000) {
                 this.accelerationFlowCompleted = true;
               }
@@ -1036,7 +1032,6 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
     this.showAccelerationDetails = false;
     this.accelerationFlowCompleted = false;
     this.accelerationInfo = null;
-    this.cashappEligible = false;
     this.txInBlockIndex = null;
     this.mempoolPosition = null;
     this.pool = null;

frontend/src/app/components/transactions-list/transactions-list.component.ts

@@ -202,12 +202,12 @@ export class TransactionsListComponent implements OnInit, OnChanges {
             for (const address of this.addresses) {
               switch (address.length) {
                 case 130: {
-                  if (v.scriptpubkey === '21' + address + 'ac') {
+                  if (v.scriptpubkey === '41' + address + 'ac') {
                     return v.value;
                   }
                 } break;
                 case 66: {
-                  if (v.scriptpubkey === '41' + address + 'ac') {
+                  if (v.scriptpubkey === '21' + address + 'ac') {
                     return v.value;
                   }
                 } break;
@@ -224,12 +224,12 @@ export class TransactionsListComponent implements OnInit, OnChanges {
             for (const address of this.addresses) {
               switch (address.length) {
                 case 130: {
-                  if (v.prevout?.scriptpubkey === '21' + address + 'ac') {
+                  if (v.prevout?.scriptpubkey === '41' + address + 'ac') {
                     return v.prevout?.value;
                   }
                 } break;
                 case 66: {
-                  if (v.prevout?.scriptpubkey === '41' + address + 'ac') {
+                  if (v.prevout?.scriptpubkey === '21' + address + 'ac') {
                     return v.prevout?.value;
                   }
                 } break;

frontend/src/app/components/twitter-login/twitter-login.component.html

@@ -1,6 +1,6 @@
 <a href="#" (click)="twitterLogin()"
   [class]="(disabled ? 'disabled': '') + (customClass ? customClass : 'w-100 btn mt-1 d-flex justify-content-center align-items-center')"
-  style="background-color: #1DA1F2" [style]="width ? 'width: ' + width : ''">
-  <img src="./resources/twitter.svg" height="25" style="padding: 2px" [alt]="buttonString + ' with Twitter'" />
+  style="background-color: rgb(31, 35, 40)" [style]="width ? 'width: ' + width : ''">
   <span class="ml-2 text-light align-middle">{{ buttonString }}</span>
+  <img src="./resources/x.svg" height="25" style="padding: 2px; padding-left: 5px" [alt]="buttonString + ' with Twitter'" />
 </a>

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

@@ -1,6 +1,6 @@
 <div class="container-xl" [class.liquid-address]="network === 'liquid' || network === 'liquidtestnet'">
   <div class="title-address">
-    <h1 i18n="shared.wallet">Wallet</h1>
+    <h1>{{ walletName }}</h1>
   </div>
 
   <div class="clearfix"></div>
@@ -74,6 +74,36 @@
     </ng-container>
   </ng-container>
 
+  <br>
+
+  <div class="title-tx">
+    <h2 class="text-left" i18n="address.transactions">Transactions</h2>
+  </div>
+
+  <app-transactions-list [transactions]="transactions" [showConfirmations]="true" [addresses]="addressStrings" (loadMore)="loadMore()"></app-transactions-list>
+
+  <div class="text-center">
+    <ng-template [ngIf]="isLoadingTransactions">
+      <div class="header-bg box">
+        <div class="row" style="height: 107px;">
+          <div class="col-sm">
+            <span class="skeleton-loader"></span>
+          </div>
+          <div class="col-sm">
+            <span class="skeleton-loader"></span>
+          </div>
+        </div>
+      </div>
+
+    </ng-template>
+
+    <ng-template [ngIf]="retryLoadMore">
+      <br>
+      <button type="button" class="btn btn-outline-info btn-sm" (click)="loadMore()"><fa-icon [icon]="['fas', 'redo-alt']" [fixedWidth]="true"></fa-icon></button>
+    </ng-template>
+  </div>
+
+
   <ng-template #loadingTemplate>
 
     <div class="box" *ngIf="!error; else errorTemplate">

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

@@ -9,6 +9,8 @@ import { of, Observable, Subscription } from 'rxjs';
 import { SeoService } from '@app/services/seo.service';
 import { seoDescriptionNetwork } from '@app/shared/common.utils';
 import { WalletAddress } from '@interfaces/node-api.interface';
+import { ElectrsApiService } from '@app/services/electrs-api.service';
+import { AudioService } from '@app/services/audio.service';
 
 class WalletStats implements ChainStats {
   addresses: string[];
@@ -24,6 +26,7 @@ class WalletStats implements ChainStats {
         acc.funded_txo_sum += stat.funded_txo_sum;
         acc.spent_txo_count += stat.spent_txo_count;
         acc.spent_txo_sum += stat.spent_txo_sum;
+        acc.tx_count += stat.tx_count;
         return acc;
       }, {
         funded_txo_count: 0,
@@ -109,12 +112,17 @@ export class WalletComponent implements OnInit, OnDestroy {
   addressStrings: string[] = [];
   walletName: string;
   isLoadingWallet = true;
+  isLoadingTransactions = true;
+  transactions: Transaction[];
+  totalTransactionCount: number;
+  retryLoadMore = false;
   wallet$: Observable<Record<string, WalletAddress>>;
   walletAddresses$: Observable<Record<string, Address>>;
   walletSummary$: Observable<AddressTxSummary[]>;
   walletStats$: Observable<WalletStats>;
   error: any;
   walletSubscription: Subscription;
+  transactionSubscription: Subscription;
 
   collapseAddresses: boolean = true;
 
@@ -129,6 +137,8 @@ export class WalletComponent implements OnInit, OnDestroy {
     private websocketService: WebsocketService,
     private stateService: StateService,
     private apiService: ApiService,
+    private electrsApiService: ElectrsApiService,
+    private audioService: AudioService,
     private seoService: SeoService,
   ) { }
 
@@ -172,6 +182,21 @@ export class WalletComponent implements OnInit, OnDestroy {
       }),
       switchMap(initial => this.stateService.walletTransactions$.pipe(
         startWith(null),
+        tap((transactions) => {
+          if (!transactions?.length) {
+            return;
+          }
+          for (const transaction of transactions) {
+            const tx = this.transactions.find((t) => t.txid === transaction.txid);
+            if (tx) {
+              tx.status = transaction.status;
+            } else {
+              this.transactions.unshift(transaction);
+            }
+          }
+          this.transactions = this.transactions.slice();
+          this.audioService.playSound('magic');
+        }),
         scan((wallet, walletTransactions) => {
           for (const tx of (walletTransactions || [])) {
             const funded: Record<string, number> = {};
@@ -267,8 +292,57 @@ export class WalletComponent implements OnInit, OnDestroy {
             return stats;
           }, walletStats),
         );
-      }),
+      })
     );
+
+    this.transactionSubscription = this.wallet$.pipe(
+      switchMap(wallet => {
+        const addresses = Object.keys(wallet).map(addr => this.normalizeAddress(addr));
+        return this.electrsApiService.getAddressesTransactions$(addresses);
+      }),
+      map(transactions => {
+        // only confirmed transactions supported for now
+        return transactions.filter(tx => tx.status.confirmed).sort((a, b) => b.status.block_height - a.status.block_height);
+      }),
+      catchError((error) => {
+        console.log(error);
+        this.error = error;
+        this.seoService.logSoft404();
+        this.isLoadingWallet = false;
+        return of([]);
+      })
+    ).subscribe((transactions: Transaction[] | null) => {
+      if (!transactions) {
+        return;
+      }
+      this.transactions = transactions;
+      this.isLoadingTransactions = false;
+    });
+  }
+
+  loadMore(): void {
+    if (this.isLoadingTransactions || this.fullyLoaded) {
+      return;
+    }
+    this.isLoadingTransactions = true;
+    this.retryLoadMore = false;
+    this.electrsApiService.getAddressesTransactions$(this.addressStrings, this.transactions[this.transactions.length - 1].txid)
+      .subscribe((transactions: Transaction[]) => {
+        if (transactions && transactions.length) {
+          this.transactions = this.transactions.concat(transactions.sort((a, b) => b.status.block_height - a.status.block_height));
+        } else {
+          this.fullyLoaded = true;
+        }
+        this.isLoadingTransactions = false;
+      },
+      (error) => {
+        this.isLoadingTransactions = false;
+        this.retryLoadMore = true;
+        // In the unlikely event of the txid wasn't found in the mempool anymore and we must reload the page.
+        if (error.status === 422) {
+          window.location.reload();
+        }
+      });
   }
 
   deduplicateWalletTransactions(walletTransactions: AddressTxSummary[]): AddressTxSummary[] {
@@ -299,5 +373,6 @@ export class WalletComponent implements OnInit, OnDestroy {
   ngOnDestroy(): void {
     this.websocketService.stopTrackingWallet();
     this.walletSubscription.unsubscribe();
+    this.transactionSubscription.unsubscribe();
   }
 }

frontend/src/app/docs/api-docs/api-docs-nav.component.ts

@@ -1,6 +1,6 @@
 import { Component, OnInit, Input, Output, EventEmitter } from '@angular/core';
 import { Env, StateService } from '@app/services/state.service';
-import { restApiDocsData } from '@app/docs/api-docs/api-docs-data';
+import { restApiDocsData, wsApiDocsData } from '@app/docs/api-docs/api-docs-data';
 import { faqData } from '@app/docs/api-docs/api-docs-data';
 
 @Component({
@@ -28,6 +28,8 @@ export class ApiDocsNavComponent implements OnInit {
     this.auditEnabled = this.env.AUDIT;
     if (this.whichTab === 'rest') {
       this.tabData = restApiDocsData;
+    } else if (this.whichTab === 'websocket') {
+      this.tabData = wsApiDocsData;
     } else if (this.whichTab === 'faq') {
       this.tabData = faqData;
     }

frontend/src/app/docs/api-docs/api-docs.component.html

@@ -108,18 +108,43 @@
       </div>
     </div>
 
-    <div id="websocketAPI" *ngIf="( whichTab === 'websocket' )">
-      <div class="api-category">
-        <div class="websocket">
-          <div class="endpoint">
-            <div class="subtitle" i18n="Api docs endpoint">Endpoint</div>
-            {{ wrapUrl(network.val, wsDocs, true) }}
+    <div id="websocketAPI" *ngIf="whichTab === 'websocket'">
+
+      <div id="doc-nav-desktop" class="hide-on-mobile" [ngClass]="desktopDocsNavPosition">
+        <app-api-docs-nav (navLinkClickEvent)="anchorLinkClick( $event )" [network]="{ val: network$ | async }" [whichTab]="whichTab"></app-api-docs-nav>
+      </div>
+
+      <div class="doc-content">
+
+        <div id="enterprise-cta-mobile" *ngIf="officialMempoolInstance && showMobileEnterpriseUpsell">
+          <p>Get higher API limits with <span class="no-line-break">Mempool Enterprise®</span></p>
+          <div class="button-group">
+            <a class="btn btn-small btn-secondary" (click)="showMobileEnterpriseUpsell = false">No Thanks</a>
+            <a class="btn btn-small btn-purple" href="https://mempool.space/enterprise">More Info <fa-icon [icon]="['fas', 'angle-right']" [styles]="{'font-size': '12px'}"></fa-icon></a>
           </div>
-          <div class="description">
-            <div class="subtitle" i18n>Description</div>
-            <div i18n="api-docs.websocket.websocket">Default push: <code>{{ '{' }} action: 'want', data: ['blocks', ...] {{ '}' }}</code> to express what you want pushed. Available: <code>blocks</code>, <code>mempool-blocks</code>, <code>live-2h-chart</code>, and <code>stats</code>.<br><br>Push transactions related to address: <code>{{ '{' }} 'track-address': '3PbJ...bF9B' {{ '}' }}</code> to receive all new transactions containing that address as input or output. Returns an array of transactions. <code>address-transactions</code> for new mempool transactions, and <code>block-transactions</code> for new block confirmed transactions.</div>
+        </div>
+
+        <p class="doc-welcome-note">Below is a reference for the {{ network.val === '' ? 'Bitcoin' : network.val.charAt(0).toUpperCase() + network.val.slice(1) }} <ng-container i18n="api-docs.title-websocket">Websocket service</ng-container> running at {{ websocketUrl(network.val) }}.</p>
+        <p class="doc-welcome-note api-note" *ngIf="officialMempoolInstance">Note that usage limits apply to our WebSocket API. Consider an <a href="https://mempool.space/enterprise">enterprise sponsorship</a> if you need higher API limits, such as higher tracking limits.</p>
+
+        <div class="doc-item-container" *ngFor="let item of wsDocs">
+          <div *ngIf="!item.hasOwnProperty('options') || ( item.hasOwnProperty('options') && item.options.hasOwnProperty('officialOnly') && item.options.officialOnly && officialMempoolInstance )">
+            <h3 *ngIf="( item.type === 'category' ) && ( item.showConditions.indexOf(network.val) > -1 )">{{ item.title }}</h3>
+            <div *ngIf="( item.type !== 'category' ) && ( item.showConditions.indexOf(network.val) > -1 )" class="endpoint-container" id="{{ item.fragment }}">
+              <a id="{{ item.fragment + '-tab-header' }}" class="section-header" (click)="anchorLinkClick({event: $event, fragment: item.fragment})">{{ item.title }} <span>{{ item.category }}</span></a>
+              <div class="endpoint-content">
+                <div class="description">
+                  <div class="subtitle" i18n>Description</div>
+                  <div [innerHTML]="item.description.default" i18n></div>
+                </div>
+                <div class="description">
+                  <div class="subtitle" i18n>Payload</div>
+                  <pre><code [innerText]="item.payload"></code></pre>
+                </div>
+                <app-code-template [hostname]="hostname" [baseNetworkUrl]="baseNetworkUrl" [method]="item.httpRequestMethod" [code]="item.codeExample.default" [network]="network.val" [showCodeExample]="item.showJsExamples"></app-code-template>
+              </div>
+            </div>
           </div>
-          <app-code-template [method]="'websocket'" [hostname]="hostname" [code]="wsDocs" [network]="network.val" [showCodeExample]="wsDocs.showJsExamples"></app-code-template>
         </div>
       </div>
     </div>

frontend/src/app/docs/api-docs/api-docs.component.scss

@@ -470,3 +470,21 @@ dd {
     margin-left: 1em;
   }
 }
+
+code {
+  background-color: var(--bg);
+  font-family: Consolas,Monaco,Lucida Console,Liberation Mono,DejaVu Sans Mono,Bitstream Vera Sans Mono,Courier New;
+}
+
+pre {
+  display: block;
+  font-size: 87.5%;
+  color: #f18920;
+  background-color: var(--bg);
+  padding: 30px;
+  code{
+    background-color: transparent;
+    white-space: break-spaces;
+    word-break: break-all;
+  }
+}

frontend/src/app/docs/api-docs/api-docs.component.ts

@@ -145,7 +145,7 @@ export class ApiDocsComponent implements OnInit, AfterViewInit {
     if (document.getElementById( targetId + "-tab-header" )) {
       tabHeaderHeight = document.getElementById( targetId + "-tab-header" ).scrollHeight;
     }
-    if( ( window.innerWidth <= 992 ) && ( ( this.whichTab === 'rest' ) || ( this.whichTab === 'faq' ) ) && targetId ) {
+    if( ( window.innerWidth <= 992 ) && ( ( this.whichTab === 'rest' ) || ( this.whichTab === 'faq' ) || ( this.whichTab === 'websocket' ) ) && targetId ) {
       const endpointContainerEl = document.querySelector<HTMLElement>( "#" + targetId );
       const endpointContentEl = document.querySelector<HTMLElement>( "#" + targetId + " .endpoint-content" );
       const endPointContentElHeight = endpointContentEl.clientHeight;
@@ -207,13 +207,29 @@ export class ApiDocsComponent implements OnInit, AfterViewInit {
       text = text.replace('%{' + indexNumber + '}', curlText);
     }
 
-    if (websocket) {
-      const wsHostname = this.hostname.replace('https://', 'wss://');
-      wsHostname.replace('http://', 'ws://');
-      return `${wsHostname}${curlNetwork}${text}`;
-    }
     return `${this.hostname}${curlNetwork}${text}`;
   }
 
+  websocketUrl(network: string) {
+    let curlNetwork = '';
+    if (this.env.BASE_MODULE === 'mempool') {
+      if (!['', 'mainnet'].includes(network)) {
+        curlNetwork = `/${network}`;
+      }
+    } else if (this.env.BASE_MODULE === 'liquid') {
+      if (!['', 'liquid'].includes(network)) {
+        curlNetwork = `/${network}`;
+      }
+    }
+
+    if (network === this.env.ROOT_NETWORK) {
+      curlNetwork = '';
+    }
+
+    let wsHostname = this.hostname.replace('https://', 'wss://');
+    wsHostname = wsHostname.replace('http://', 'ws://');
+    return `${wsHostname}${curlNetwork}/api/v1/ws`;
+  }
+
 }
 

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

@@ -1,4 +1,4 @@
-import { AddressTxSummary, Block, ChainStats, Transaction } from "./electrs.interface";
+import { AddressTxSummary, Block, ChainStats } from "./electrs.interface";
 
 export interface OptimizedMempoolStats {
   added: number;
@@ -412,13 +412,13 @@ export interface Acceleration {
   feeDelta: number;
   blockHash: string;
   blockHeight: number;
-
   acceleratedFeeRate?: number;
   boost?: number;
   bidBoost?: number;
   boostCost?: number;
   boostRate?: number;
   minedByPoolUniqueId?: number;
+  canceled?: number;
 }
 
 export interface AccelerationHistoryParams {

frontend/src/app/interfaces/websocket.interface.ts

@@ -21,6 +21,8 @@ export interface WebsocketResponse {
   rbfInfo?: RbfTree;
   rbfLatest?: RbfTree[];
   rbfLatestSummary?: ReplacementInfo[];
+  stratumJob?: StratumJob;
+  stratumJobs?: Record<number, StratumJob>;
   utxoSpent?: object;
   transactions?: TransactionStripped[];
   loadingIndicators?: ILoadingIndicators;
@@ -37,6 +39,7 @@ export interface WebsocketResponse {
   'track-rbf-summary'?: boolean;
   'track-accelerations'?: boolean;
   'track-wallet'?: string;
+  'track-stratum'?: string | number;
   'watch-mempool'?: boolean;
   'refresh-blocks'?: boolean;
 }
@@ -150,3 +153,24 @@ export interface HealthCheckHost {
     electrs?: string;
   }
 }
+
+export interface StratumJob {
+  pool: number;
+  height: number;
+  coinbase: string;
+  scriptsig: string;
+  reward: number;
+  jobId: string;
+  extraNonce: string;
+  extraNonce2Size: number;
+  prevHash: string;
+  coinbase1: string;
+  coinbase2: string;
+  merkleBranches: string[];
+  version: string;
+  bits: string;
+  time: string;
+  timestamp: number;
+  cleanJobs: boolean;
+  received: number;
+}

frontend/src/app/master-page.module.ts

@@ -10,9 +10,10 @@ import { TestTransactionsComponent } from '@components/test-transactions/test-tr
 import { CalculatorComponent } from '@components/calculator/calculator.component';
 import { BlocksList } from '@components/blocks-list/blocks-list.component';
 import { RbfList } from '@components/rbf-list/rbf-list.component';
+import { StratumList } from '@components/stratum/stratum-list/stratum-list.component';
 import { ServerHealthComponent } from '@components/server-health/server-health.component';
 import { ServerStatusComponent } from '@components/server-health/server-status.component';
-import { FaucetComponent } from '@components/faucet/faucet.component'
+import { FaucetComponent } from '@components/faucet/faucet.component';
 
 const browserWindow = window || {};
 // @ts-ignore
@@ -56,6 +57,16 @@ const routes: Routes = [
         path: 'rbf',
         component: RbfList,
       },
+      ...(browserWindowEnv.STRATUM_ENABLED ? [{
+        path: 'stratum',
+        component: StartComponent,
+        children: [
+          {
+            path: '',
+            component: StratumList,
+          }
+        ]
+      }] : []),
       {
         path: 'terms-of-service',
         loadChildren: () => import('@components/terms-of-service/terms-of-service.module').then(m => m.TermsOfServiceModule),

frontend/src/app/services/auth.service.ts

@@ -58,6 +58,7 @@ export class AuthServiceMempool {
   setAuth(auth: any) {
     if (!auth) {
       localStorage.removeItem('auth');
+      localStorage.removeItem('authenticatorStatus');
     } else {
       localStorage.setItem('auth', JSON.stringify(auth));
     }

frontend/src/app/services/electrs-api.service.ts

@@ -142,12 +142,16 @@ export class ElectrsApiService {
     return this.httpClient.get<Transaction[]>(this.apiBaseUrl + this.apiBasePath + '/api/address/' + address + '/txs', { params });
   }
 
-  getAddressesTransactions$(addresses: string[],  txid?: string): Observable<Transaction[]> {
+  getAddressesTransactions$(addresses: string[], txid?: string): Observable<Transaction[]> {
     let params = new HttpParams();
     if (txid) {
       params = params.append('after_txid', txid);
     }
-    return this.httpClient.get<Transaction[]>(this.apiBaseUrl + this.apiBasePath + `/api/addresses/txs?addresses=${addresses.join(',')}`, { params });
+    return this.httpClient.post<Transaction[]>(
+      this.apiBaseUrl + this.apiBasePath + '/api/addresses/txs',
+      addresses,
+      { params }
+    );
   }
 
   getAddressSummary$(address: string,  txid?: string): Observable<AddressTxSummary[]> {
@@ -163,7 +167,7 @@ export class ElectrsApiService {
     if (txid) {
       params = params.append('after_txid', txid);
     }
-    return this.httpClient.get<AddressTxSummary[]>(this.apiBaseUrl + this.apiBasePath + `/api/addresses/txs/summary?addresses=${addresses.join(',')}`, { params });
+    return this.httpClient.post<AddressTxSummary[]>(this.apiBaseUrl + this.apiBasePath + '/api/addresses/txs/summary', addresses, { params });
   }
 
   getScriptHashTransactions$(script: string,  txid?: string): Observable<Transaction[]> {
@@ -182,7 +186,7 @@ export class ElectrsApiService {
       params = params.append('after_txid', txid);
     }
     return from(Promise.all(scripts.map(script => calcScriptHash$(script)))).pipe(
-      switchMap(scriptHashes => this.httpClient.get<Transaction[]>(this.apiBaseUrl + this.apiBasePath + `/api/scripthashes/txs?scripthashes=${scriptHashes.join(',')}`, { params })),
+      switchMap(scriptHashes => this.httpClient.post<Transaction[]>(this.apiBaseUrl + this.apiBasePath + '/api/scripthashes/txs', scriptHashes, { params })),
     );
   }
 
@@ -212,7 +216,7 @@ export class ElectrsApiService {
       params = params.append('after_txid', txid);
     }
     return from(Promise.all(scripts.map(script => calcScriptHash$(script)))).pipe(
-      switchMap(scriptHashes => this.httpClient.get<AddressTxSummary[]>(this.apiBaseUrl + this.apiBasePath + `/api/scripthashes/txs/summary?scripthashes=${scriptHashes.join(',')}`, { params })),
+      switchMap(scriptHashes => this.httpClient.post<AddressTxSummary[]>(this.apiBaseUrl + this.apiBasePath + '/api/scripthashes/txs/summary', scriptHashes, { params })),
     );
   }
 

frontend/src/app/services/mining.service.ts

@@ -64,8 +64,8 @@ export class MiningService {
       );
     }
   }
-  
-  /** 
+
+  /**
    * Get names and slugs of all pools
    */
   public getPools(): Observable<any[]> {
@@ -75,7 +75,6 @@ export class MiningService {
         return this.poolsData;
       })
     );
-    
   }
   /**
    * Set the hashrate power of ten we want to display

frontend/src/app/services/services-api.service.ts

@@ -18,7 +18,6 @@ export interface IUser {
   subscription_tag: string;
   status: 'pending' | 'verified' | 'disabled';
   features: string | null;
-  fullName: string | null;
   countryCode: string | null;
   imageMd5: string;
   ogRank: number | null;
@@ -143,8 +142,12 @@ export class ServicesApiServices {
     return this.httpClient.post<any>(`${this.stateService.env.SERVICES_API}/accelerator/accelerate/applePay`, { txInput: txInput, cardTag: cardTag, token: token, referenceId: referenceId, userApprovedUSD: userApprovedUSD });
   }
 
-  accelerateWithGooglePay$(txInput: string, token: string, verificationToken: string, cardTag: string, referenceId: string, userApprovedUSD: number) {
-    return this.httpClient.post<any>(`${this.stateService.env.SERVICES_API}/accelerator/accelerate/googlePay`, { txInput: txInput, cardTag: cardTag, token: token, verificationToken: verificationToken, referenceId: referenceId, userApprovedUSD: userApprovedUSD });
+  accelerateWithGooglePay$(txInput: string, token: string, verificationToken: string, cardTag: string, referenceId: string, userApprovedUSD: number, userChallenged: boolean) {
+    return this.httpClient.post<any>(`${this.stateService.env.SERVICES_API}/accelerator/accelerate/googlePay`, { txInput: txInput, cardTag: cardTag, token: token, verificationToken: verificationToken, referenceId: referenceId, userApprovedUSD: userApprovedUSD, userChallenged: userChallenged });
+  }
+
+  accelerateWithCardOnFile$(txInput: string, token: string, verificationToken: string, referenceId: string, userApprovedUSD: number, userChallenged: boolean) {
+    return this.httpClient.post<any>(`${this.stateService.env.SERVICES_API}/accelerator/accelerate/cardOnFile`, { txInput: txInput, token: token, verificationToken: verificationToken, referenceId: referenceId, userApprovedUSD: userApprovedUSD, userChallenged: userChallenged });
   }
 
   getAccelerations$(): Observable<Acceleration[]> {

frontend/src/app/services/state.service.ts

@@ -1,7 +1,7 @@
 import { Inject, Injectable, PLATFORM_ID, LOCALE_ID } from '@angular/core';
 import { ReplaySubject, BehaviorSubject, Subject, fromEvent, Observable } from 'rxjs';
-import { AddressTxSummary, Transaction } from '@interfaces/electrs.interface';
-import { AccelerationDelta, HealthCheckHost, IBackendInfo, MempoolBlock, MempoolBlockUpdate, MempoolInfo, Recommendedfees, ReplacedTransaction, ReplacementInfo, isMempoolState } from '@interfaces/websocket.interface';
+import { Transaction } from '@interfaces/electrs.interface';
+import { AccelerationDelta, HealthCheckHost, IBackendInfo, MempoolBlock, MempoolBlockUpdate, MempoolInfo, Recommendedfees, ReplacedTransaction, ReplacementInfo, StratumJob, isMempoolState } from '@interfaces/websocket.interface';
 import { Acceleration, AccelerationPosition, BlockExtended, CpfpInfo, DifficultyAdjustment, MempoolPosition, OptimizedMempoolStats, RbfTree, TransactionStripped } from '@interfaces/node-api.interface';
 import { Router, NavigationStart } from '@angular/router';
 import { isPlatformBrowser } from '@angular/common';
@@ -81,6 +81,7 @@ export interface Env {
   ADDITIONAL_CURRENCIES: boolean;
   GIT_COMMIT_HASH_MEMPOOL_SPACE?: string;
   PACKAGE_JSON_VERSION_MEMPOOL_SPACE?: string;
+  STRATUM_ENABLED: boolean;
   SERVICES_API?: string;
   customize?: Customization;
   PROD_DOMAINS: string[];
@@ -123,6 +124,7 @@ const defaultEnv: Env = {
   'ACCELERATOR_BUTTON': true,
   'PUBLIC_ACCELERATIONS': false,
   'ADDITIONAL_CURRENCIES': false,
+  'STRATUM_ENABLED': false,
   'SERVICES_API': 'https://mempool.space/api/v1/services',
   'PROD_DOMAINS': [],
 };
@@ -159,6 +161,8 @@ export class StateService {
   liveMempoolBlockTransactions$: Observable<{ block: number, transactions: { [txid: string]: TransactionStripped} }>;
   accelerations$ = new Subject<AccelerationDelta>();
   liveAccelerations$: Observable<Acceleration[]>;
+  stratumJobUpdate$ = new Subject<{ state: Record<string, StratumJob> } | { job: StratumJob }>();
+  stratumJobs$ = new BehaviorSubject<Record<string, StratumJob>>({});
   txConfirmed$ = new Subject<[string, BlockExtended]>();
   txReplaced$ = new Subject<ReplacedTransaction>();
   txRbfInfo$ = new Subject<RbfTree>();
@@ -303,6 +307,24 @@ export class StateService {
       map((accMap) => Object.values(accMap).sort((a,b) => b.added - a.added))
     );
 
+    this.stratumJobUpdate$.pipe(
+      scan((acc: Record<string, StratumJob>, update: { state: Record<string, StratumJob> } | { job: StratumJob }) => {
+        if ('state' in update) {
+          // Replace the entire state
+          return update.state;
+        } else {
+          // Update or create a single job entry
+          return {
+            ...acc,
+            [update.job.pool]: update.job
+          };
+        }
+      }, {}),
+      shareReplay(1)
+    ).subscribe(val => {
+      this.stratumJobs$.next(val);
+    });
+
     this.networkChanged$.subscribe((network) => {
       this.transactions$ = new BehaviorSubject<TransactionStripped[]>(null);
       this.blocksSubject$.next([]);

frontend/src/app/services/websocket.service.ts

@@ -36,6 +36,7 @@ export class WebsocketService {
   private isTrackingAccelerations: boolean = false;
   private isTrackingWallet: boolean = false;
   private trackingWalletName: string;
+  private isTrackingStratum: string | number | false = false;
   private trackingMempoolBlock: number;
   private trackingMempoolBlockNetwork: string;
   private stoppingTrackMempoolBlock: any | null = null;
@@ -143,6 +144,9 @@ export class WebsocketService {
           if (this.isTrackingWallet) {
             this.startTrackingWallet(this.trackingWalletName);
           }
+          if (this.isTrackingStratum !== false) {
+            this.startTrackStratum(this.isTrackingStratum);
+          }
           this.stateService.connectionState$.next(2);
         }
 
@@ -289,6 +293,18 @@ export class WebsocketService {
     }
   }
 
+  startTrackStratum(pool: number | string) {
+    this.websocketSubject.next({ 'track-stratum': pool });
+    this.isTrackingStratum = pool;
+  }
+
+  stopTrackStratum() {
+    if (this.isTrackingStratum) {
+      this.websocketSubject.next({ 'track-stratum': null });
+      this.isTrackingStratum = false;
+    }
+  }
+
   fetchStatistics(historicalDate: string) {
     this.websocketSubject.next({ historicalDate });
   }
@@ -512,6 +528,14 @@ export class WebsocketService {
       this.stateService.previousRetarget$.next(response.previousRetarget);
     }
 
+    if (response.stratumJobs) {
+      this.stateService.stratumJobUpdate$.next({ state: response.stratumJobs });
+    }
+
+    if (response.stratumJob) {
+      this.stateService.stratumJobUpdate$.next({ job: response.stratumJob });
+    }
+
     if (response['tomahawk']) {
       this.stateService.serverHealth$.next(response['tomahawk']);
     }

frontend/src/app/shared/components/confirmations/confirmations.component.html

@@ -11,9 +11,9 @@
 <ng-template [ngIf]="!hideUnconfirmed && !confirmations && replaced">
   <button type="button" class="btn btn-sm btn-warning no-cursor {{buttonClass}}" i18n="transaction.replaced|Transaction replaced state">Replaced</button>
 </ng-template>
-<ng-template [ngIf]="!hideUnconfirmed && !confirmations && !replaced && removed">
+<ng-template [ngIf]="!hideUnconfirmed && !confirmations && !replaced && (removed || cached)">
   <button type="button" class="btn btn-sm btn-warning no-cursor {{buttonClass}}" i18n="transaction.audit.removed|Transaction removed state">Removed</button>
 </ng-template>
-<ng-template [ngIf]="!hideUnconfirmed && chainTip != null && !confirmations && !replaced && !removed">
+<ng-template [ngIf]="!hideUnconfirmed && chainTip != null && !confirmations && !replaced && !(removed || cached)">
   <button type="button" class="btn btn-sm btn-danger no-cursor {{buttonClass}}" i18n="transaction.unconfirmed|Transaction unconfirmed state">Unconfirmed</button>
 </ng-template>

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

@@ -12,6 +12,7 @@ export class ConfirmationsComponent implements OnChanges {
   @Input() height: number;
   @Input() replaced: boolean = false;
   @Input() removed: boolean = false;
+  @Input() cached: boolean = false;
   @Input() hideUnconfirmed: boolean = false;
   @Input() buttonClass: string = '';
 

frontend/src/app/shared/components/mempool-error/mempool-error.component.ts

@@ -26,6 +26,7 @@ export const MempoolErrors = {
   'unauthorized': `You are not authorized to do this`,
   'faucet_too_soon': `You cannot request any more coins right now. Try again later.`,
   'faucet_not_available': `The faucet is not available right now. Try again later.`,
+  'faucet_not_available_no_utxo': `The faucet is not available right now. Please try again once a new block has been mined.`,
   'faucet_maximum_reached': `You are not allowed to request more coins`,
   'faucet_address_not_allowed': `You cannot use this address`,
   'faucet_below_minimum': `Requested amount is too small`,

frontend/src/app/shared/shared.module.ts

@@ -4,7 +4,10 @@ import { NgbCollapseModule, NgbTypeaheadModule } from '@ng-bootstrap/ng-bootstra
 import { FontAwesomeModule, FaIconLibrary } from '@fortawesome/angular-fontawesome';
 import { faFilter, faAngleDown, faAngleUp, faAngleRight, faAngleLeft, faBolt, faChartArea, faCogs, faCubes, faHammer, faDatabase, faExchangeAlt, faInfoCircle,
   faLink, faList, faSearch, faCaretUp, faCaretDown, faTachometerAlt, faThList, faTint, faTv, faClock, faAngleDoubleDown, faSortUp, faAngleDoubleUp, faChevronDown,
-  faFileAlt, faRedoAlt, faArrowAltCircleRight, faExternalLinkAlt, faBook, faListUl, faDownload, faQrcode, faArrowRightArrowLeft, faArrowsRotate, faCircleLeft, faFastForward, faWallet, faUserClock, faWrench, faUserFriends, faQuestionCircle, faHistory, faSignOutAlt, faKey, faSuitcase, faIdCardAlt, faNetworkWired, faUserCheck, faCircleCheck, faUserCircle, faCheck, faRocket, faScaleBalanced, faHourglassStart, faHourglassHalf, faHourglassEnd, faWandMagicSparkles, faFaucetDrip, faTimeline, faCircleXmark, faCalendarCheck } from '@fortawesome/free-solid-svg-icons';
+  faFileAlt, faRedoAlt, faArrowAltCircleRight, faExternalLinkAlt, faBook, faListUl, faDownload, faQrcode, faArrowRightArrowLeft, faArrowsRotate, faCircleLeft,
+  faFastForward, faWallet, faUserClock, faWrench, faUserFriends, faQuestionCircle, faHistory, faSignOutAlt, faKey, faSuitcase, faIdCardAlt, faNetworkWired, faUserCheck,
+  faCircleCheck, faUserCircle, faCheck, faRocket, faScaleBalanced, faHourglassStart, faHourglassHalf, faHourglassEnd, faWandMagicSparkles, faFaucetDrip, faTimeline,
+  faCircleXmark, faCalendarCheck, faMoneyBillTrendUp, faRobot, faShareNodes, faCreditCard } from '@fortawesome/free-solid-svg-icons';
 import { InfiniteScrollModule } from 'ngx-infinite-scroll';
 import { MenuComponent } from '@components/menu/menu.component';
 import { PreviewTitleComponent } from '@components/master-page-preview/preview-title.component';
@@ -80,6 +83,7 @@ import { AmountShortenerPipe } from '@app/shared/pipes/amount-shortener.pipe';
 import { DifficultyAdjustmentsTable } from '@components/difficulty-adjustments-table/difficulty-adjustments-table.components';
 import { BlocksList } from '@components/blocks-list/blocks-list.component';
 import { RbfList } from '@components/rbf-list/rbf-list.component';
+import { StratumList } from '@components/stratum/stratum-list/stratum-list.component';
 import { RewardStatsComponent } from '@components/reward-stats/reward-stats.component';
 import { DataCyDirective } from '@app/data-cy.directive';
 import { LoadingIndicatorComponent } from '@components/loading-indicator/loading-indicator.component';
@@ -121,6 +125,7 @@ import { TwitterLogin } from '@components/twitter-login/twitter-login.component'
 import { BitcoinInvoiceComponent } from '@components/bitcoin-invoice/bitcoin-invoice.component';
 
 import { OnlyVsizeDirective, OnlyWeightDirective } from '@app/shared/components/weight-directives/weight-directives';
+import { GithubLogin } from '../components/github-login.component/github-login.component';
 
 @NgModule({
   declarations: [
@@ -198,6 +203,7 @@ import { OnlyVsizeDirective, OnlyWeightDirective } from '@app/shared/components/
     DifficultyAdjustmentsTable,
     BlocksList,
     RbfList,
+    StratumList,
     DataCyDirective,
     RewardStatsComponent,
     LoadingIndicatorComponent,
@@ -237,6 +243,7 @@ import { OnlyVsizeDirective, OnlyWeightDirective } from '@app/shared/components/
     TwitterWidgetComponent,
     FaucetComponent,
     TwitterLogin,
+    GithubLogin,
     BitcoinInvoiceComponent,
   ],
   imports: [
@@ -342,6 +349,7 @@ import { OnlyVsizeDirective, OnlyWeightDirective } from '@app/shared/components/
     AmountShortenerPipe,
     DifficultyAdjustmentsTable,
     BlocksList,
+    StratumList,
     DataCyDirective,
     RewardStatsComponent,
     LoadingIndicatorComponent,
@@ -370,6 +378,7 @@ import { OnlyVsizeDirective, OnlyWeightDirective } from '@app/shared/components/
     HttpErrorComponent,
     TwitterWidgetComponent,
     TwitterLogin,
+    GithubLogin,
     BitcoinInvoiceComponent,
     BitcoinsatoshisPipe,
 
@@ -451,5 +460,9 @@ export class SharedModule {
     library.addIcons(faTimeline);
     library.addIcons(faCircleXmark);
     library.addIcons(faCalendarCheck);
+    library.addIcons(faMoneyBillTrendUp);
+    library.addIcons(faRobot);
+    library.addIcons(faShareNodes);
+    library.addIcons(faCreditCard);
   }
 }

production/mempool-config.liquid.json

@@ -26,12 +26,14 @@
   "ESPLORA": {
     "UNIX_SOCKET_PATH": "/elements/socket/esplora-elements-liquid",
     "FALLBACK": [
-      "http://node201.fmt.mempool.space:3001",
-      "http://node202.fmt.mempool.space:3001",
-      "http://node203.fmt.mempool.space:3001",
-      "http://node204.fmt.mempool.space:3001",
-      "http://node205.fmt.mempool.space:3001",
-      "http://node206.fmt.mempool.space:3001",
+      "http://node201.hnl.mempool.space:3001",
+      "http://node202.hnl.mempool.space:3001",
+      "http://node203.hnl.mempool.space:3001",
+      "http://node204.hnl.mempool.space:3001",
+      "http://node201.sg1.mempool.space:3001",
+      "http://node202.sg1.mempool.space:3001",
+      "http://node203.sg1.mempool.space:3001",
+      "http://node204.sg1.mempool.space:3001",
       "http://node201.va1.mempool.space:3001",
       "http://node202.va1.mempool.space:3001",
       "http://node203.va1.mempool.space:3001",

production/mempool-config.liquidtestnet.json

@@ -26,12 +26,14 @@
   "ESPLORA": {
     "UNIX_SOCKET_PATH": "/elements/socket/esplora-elements-liquidtestnet",
     "FALLBACK": [
-      "http://node201.fmt.mempool.space:3004",
-      "http://node202.fmt.mempool.space:3004",
-      "http://node203.fmt.mempool.space:3004",
-      "http://node204.fmt.mempool.space:3004",
-      "http://node205.fmt.mempool.space:3004",
-      "http://node206.fmt.mempool.space:3004",
+      "http://node201.hnl.mempool.space:3004",
+      "http://node202.hnl.mempool.space:3004",
+      "http://node203.hnl.mempool.space:3004",
+      "http://node204.hnl.mempool.space:3004",
+      "http://node201.sg1.mempool.space:3004",
+      "http://node202.sg1.mempool.space:3004",
+      "http://node203.sg1.mempool.space:3004",
+      "http://node204.sg1.mempool.space:3004",
       "http://node201.va1.mempool.space:3004",
       "http://node202.va1.mempool.space:3004",
       "http://node203.va1.mempool.space:3004",

production/mempool-config.mainnet-lightning.json

@@ -19,12 +19,14 @@
   "ESPLORA": {
     "UNIX_SOCKET_PATH": "/bitcoin/socket/esplora-bitcoin-mainnet",
     "FALLBACK": [
-      "http://node201.fmt.mempool.space:3000",
-      "http://node202.fmt.mempool.space:3000",
-      "http://node203.fmt.mempool.space:3000",
-      "http://node204.fmt.mempool.space:3000",
-      "http://node205.fmt.mempool.space:3000",
-      "http://node206.fmt.mempool.space:3000",
+      "http://node201.hnl.mempool.space:3000",
+      "http://node202.hnl.mempool.space:3000",
+      "http://node203.hnl.mempool.space:3000",
+      "http://node204.hnl.mempool.space:3000",
+      "http://node201.sg1.mempool.space:3000",
+      "http://node202.sg1.mempool.space:3000",
+      "http://node203.sg1.mempool.space:3000",
+      "http://node204.sg1.mempool.space:3000",
       "http://node201.va1.mempool.space:3000",
       "http://node202.va1.mempool.space:3000",
       "http://node203.va1.mempool.space:3000",

production/mempool-config.mainnet.json

@@ -40,12 +40,14 @@
   "ESPLORA": {
     "UNIX_SOCKET_PATH": "/bitcoin/socket/esplora-bitcoin-mainnet",
     "FALLBACK": [
-      "http://node201.fmt.mempool.space:3000",
-      "http://node202.fmt.mempool.space:3000",
-      "http://node203.fmt.mempool.space:3000",
-      "http://node204.fmt.mempool.space:3000",
-      "http://node205.fmt.mempool.space:3000",
-      "http://node206.fmt.mempool.space:3000",
+      "http://node201.hnl.mempool.space:3000",
+      "http://node202.hnl.mempool.space:3000",
+      "http://node203.hnl.mempool.space:3000",
+      "http://node204.hnl.mempool.space:3000",
+      "http://node201.sg1.mempool.space:3000",
+      "http://node202.sg1.mempool.space:3000",
+      "http://node203.sg1.mempool.space:3000",
+      "http://node204.sg1.mempool.space:3000",
       "http://node201.va1.mempool.space:3000",
       "http://node202.va1.mempool.space:3000",
       "http://node203.va1.mempool.space:3000",
@@ -101,12 +103,14 @@
     "STATISTICS": true,
     "STATISTICS_START_TIME": "24h",
     "SERVERS": [
-      "node201.fmt.mempool.space",
-      "node202.fmt.mempool.space",
-      "node203.fmt.mempool.space",
-      "node204.fmt.mempool.space",
-      "node205.fmt.mempool.space",
-      "node206.fmt.mempool.space",
+      "node201.hnl.mempool.space",
+      "node202.hnl.mempool.space",
+      "node203.hnl.mempool.space",
+      "node204.hnl.mempool.space",
+      "node201.sg1.mempool.space",
+      "node202.sg1.mempool.space",
+      "node203.sg1.mempool.space",
+      "node204.sg1.mempool.space",
       "node201.va1.mempool.space",
       "node202.va1.mempool.space",
       "node203.va1.mempool.space",
@@ -154,5 +158,9 @@
   "WALLETS": {
     "ENABLED": true,
     "WALLETS": ["BITB", "3350"]
+  },
+  "STRATUM": {
+    "ENABLED": true,
+    "API": "http://127.0.0.1:81/api/v1/stratum/ws"
   }
 }

production/mempool-config.signet-lightning.json

@@ -19,12 +19,14 @@
   "ESPLORA": {
     "UNIX_SOCKET_PATH": "/bitcoin/socket/esplora-bitcoin-signet",
     "FALLBACK": [
-      "http://node201.fmt.mempool.space:3003",
-      "http://node202.fmt.mempool.space:3003",
-      "http://node203.fmt.mempool.space:3003",
-      "http://node204.fmt.mempool.space:3003",
-      "http://node205.fmt.mempool.space:3003",
-      "http://node206.fmt.mempool.space:3003",
+      "http://node201.hnl.mempool.space:3003",
+      "http://node202.hnl.mempool.space:3003",
+      "http://node203.hnl.mempool.space:3003",
+      "http://node204.hnl.mempool.space:3003",
+      "http://node201.sg1.mempool.space:3003",
+      "http://node202.sg1.mempool.space:3003",
+      "http://node203.sg1.mempool.space:3003",
+      "http://node204.sg1.mempool.space:3003",
       "http://node201.va1.mempool.space:3003",
       "http://node202.va1.mempool.space:3003",
       "http://node203.va1.mempool.space:3003",

production/mempool-config.signet.json

@@ -28,12 +28,14 @@
   "ESPLORA": {
     "UNIX_SOCKET_PATH": "/bitcoin/socket/esplora-bitcoin-signet",
     "FALLBACK": [
-      "http://node201.fmt.mempool.space:3003",
-      "http://node202.fmt.mempool.space:3003",
-      "http://node203.fmt.mempool.space:3003",
-      "http://node204.fmt.mempool.space:3003",
-      "http://node205.fmt.mempool.space:3003",
-      "http://node206.fmt.mempool.space:3003",
+      "http://node201.hnl.mempool.space:3003",
+      "http://node202.hnl.mempool.space:3003",
+      "http://node203.hnl.mempool.space:3003",
+      "http://node204.hnl.mempool.space:3003",
+      "http://node201.sg1.mempool.space:3003",
+      "http://node202.sg1.mempool.space:3003",
+      "http://node203.sg1.mempool.space:3003",
+      "http://node204.sg1.mempool.space:3003",
       "http://node201.va1.mempool.space:3003",
       "http://node202.va1.mempool.space:3003",
       "http://node203.va1.mempool.space:3003",

production/mempool-config.testnet-lightning.json

@@ -19,12 +19,14 @@
   "ESPLORA": {
     "UNIX_SOCKET_PATH": "/bitcoin/socket/esplora-bitcoin-testnet",
     "FALLBACK": [
-      "http://node201.fmt.mempool.space:3002",
-      "http://node202.fmt.mempool.space:3002",
-      "http://node203.fmt.mempool.space:3002",
-      "http://node204.fmt.mempool.space:3002",
-      "http://node205.fmt.mempool.space:3002",
-      "http://node206.fmt.mempool.space:3002",
+      "http://node201.hnl.mempool.space:3002",
+      "http://node202.hnl.mempool.space:3002",
+      "http://node203.hnl.mempool.space:3002",
+      "http://node204.hnl.mempool.space:3002",
+      "http://node201.sg1.mempool.space:3002",
+      "http://node202.sg1.mempool.space:3002",
+      "http://node203.sg1.mempool.space:3002",
+      "http://node204.sg1.mempool.space:3002",
       "http://node201.va1.mempool.space:3002",
       "http://node202.va1.mempool.space:3002",
       "http://node203.va1.mempool.space:3002",

production/mempool-config.testnet.json

@@ -28,12 +28,14 @@
   "ESPLORA": {
     "UNIX_SOCKET_PATH": "/bitcoin/socket/esplora-bitcoin-testnet",
     "FALLBACK": [
-      "http://node201.fmt.mempool.space:3002",
-      "http://node202.fmt.mempool.space:3002",
-      "http://node203.fmt.mempool.space:3002",
-      "http://node204.fmt.mempool.space:3002",
-      "http://node205.fmt.mempool.space:3002",
-      "http://node206.fmt.mempool.space:3002",
+      "http://node201.hnl.mempool.space:3002",
+      "http://node202.hnl.mempool.space:3002",
+      "http://node203.hnl.mempool.space:3002",
+      "http://node204.hnl.mempool.space:3002",
+      "http://node201.sg1.mempool.space:3002",
+      "http://node202.sg1.mempool.space:3002",
+      "http://node203.sg1.mempool.space:3002",
+      "http://node204.sg1.mempool.space:3002",
       "http://node201.va1.mempool.space:3002",
       "http://node202.va1.mempool.space:3002",
       "http://node203.va1.mempool.space:3002",

production/mempool-config.testnet4.json

@@ -28,12 +28,14 @@
   "ESPLORA": {
     "UNIX_SOCKET_PATH": "/bitcoin/socket/esplora-bitcoin-testnet4",
     "FALLBACK": [
-      "http://node201.fmt.mempool.space:3005",
-      "http://node202.fmt.mempool.space:3005",
-      "http://node203.fmt.mempool.space:3005",
-      "http://node204.fmt.mempool.space:3005",
-      "http://node205.fmt.mempool.space:3005",
-      "http://node206.fmt.mempool.space:3005",
+      "http://node201.hnl.mempool.space:3005",
+      "http://node202.hnl.mempool.space:3005",
+      "http://node203.hnl.mempool.space:3005",
+      "http://node204.hnl.mempool.space:3005",
+      "http://node201.sg1.mempool.space:3005",
+      "http://node202.sg1.mempool.space:3005",
+      "http://node203.sg1.mempool.space:3005",
+      "http://node204.sg1.mempool.space:3005",
       "http://node201.va1.mempool.space:3005",
       "http://node202.va1.mempool.space:3005",
       "http://node203.va1.mempool.space:3005",

production/mempool-frontend-config.mainnet.json

@@ -4,8 +4,7 @@
   "TESTNET4_ENABLED": true,
   "LIQUID_ENABLED": false,
   "LIQUID_TESTNET_ENABLED": false,
-  "BISQ_ENABLED": true,
-  "BISQ_SEPARATE_BACKEND": true,
+  "STRATUM_ENABLED": true,
   "SIGNET_ENABLED": true,
   "MEMPOOL_WEBSITE_URL": "https://mempool.space",
   "LIQUID_WEBSITE_URL": "https://liquid.network",

production/nginx/location-api.conf

@@ -140,7 +140,8 @@ location @mempool-api-v1-cache-normal {
 	proxy_cache_valid 200 2s;
 	proxy_redirect off;
 
-	expires 2s;
+	# cache for 2 seconds on server, but send expires -1 so browser doesn't cache
+	expires -1;
 }
 
 location @mempool-api-v1-cache-disabled {