fix: upgrade to new chainhook ts client

package.json

@@ -56,7 +56,7 @@
     "@fastify/type-provider-typebox": "^3.2.0",
     "@google-cloud/storage": "^7.12.1",
     "@hirosystems/api-toolkit": "^1.7.1",
-    "@hirosystems/chainhook-client": "^1.12.0",
+    "@hirosystems/chainhook-client": "^2.0.0",
     "@sinclair/typebox": "^0.28.17",
     "@stacks/transactions": "^6.1.0",
     "@types/node": "^20.16.1",

src/chainhook/server.ts

@@ -1,55 +1,23 @@
-import * as fs from 'fs';
 import {
   ChainhookEventObserver,
   ChainhookNodeOptions,
+  EventObserverOptions,
+  EventObserverPredicate,
   Payload,
-  ServerOptions,
-  ServerPredicate,
   StacksPayload,
 } from '@hirosystems/chainhook-client';
 import { PgStore } from '../pg/pg-store';
 import { ENV } from '../env';
 import { logger } from '@hirosystems/api-toolkit';
-import { randomUUID } from 'node:crypto';
-
-export function getPersistedPredicateFromDisk(): ServerPredicate | undefined {
-  const predicatePath = `${ENV.CHAINHOOK_PREDICATE_PATH}/predicate.json`;
-  try {
-    if (!fs.existsSync(predicatePath)) {
-      return;
-    }
-    const fileData = fs.readFileSync(predicatePath, 'utf-8');
-    return JSON.parse(fileData) as ServerPredicate;
-  } catch (error) {
-    logger.error(error, `ChainhookServer unable to get persisted predicate`);
-  }
-}
-
-export function persistPredicateToDisk(predicate: ServerPredicate) {
-  const predicatePath = `${ENV.CHAINHOOK_PREDICATE_PATH}/predicate.json`;
-  try {
-    fs.mkdirSync(ENV.CHAINHOOK_PREDICATE_PATH, { recursive: true });
-    fs.writeFileSync(predicatePath, JSON.stringify(predicate, null, 2));
-  } catch (error) {
-    logger.error(error, `ChainhookServer unable to persist predicate to disk`);
-  }
-}
 
 export async function startChainhookServer(args: { db: PgStore }): Promise<ChainhookEventObserver> {
   const blockHeight = await args.db.getChainTipBlockHeight();
   logger.info(`ChainhookServer is at block ${blockHeight}`);
 
-  const predicates: ServerPredicate[] = [];
+  const predicates: EventObserverPredicate[] = [];
   if (ENV.CHAINHOOK_AUTO_PREDICATE_REGISTRATION) {
-    const existingPredicate = getPersistedPredicateFromDisk();
-    if (existingPredicate) {
-      logger.info(
-        `ChainhookServer will attempt to resume existing predicate ${existingPredicate.uuid}`
-      );
-    }
     const header = {
-      uuid: existingPredicate?.uuid ?? randomUUID(),
-      name: 'block',
+      name: 'metadata-api-blocks',
       version: 1,
       chain: 'stacks',
     };
@@ -87,38 +55,33 @@ export async function startChainhookServer(args: { db: PgStore }): Promise<Chain
     }
   }
 
-  const opts: ServerOptions = {
+  const observer: EventObserverOptions = {
     hostname: ENV.API_HOST,
     port: ENV.EVENT_PORT,
     auth_token: ENV.CHAINHOOK_NODE_AUTH_TOKEN,
     external_base_url: `http://${ENV.EXTERNAL_HOSTNAME}`,
     wait_for_chainhook_node: ENV.CHAINHOOK_AUTO_PREDICATE_REGISTRATION,
     validate_chainhook_payloads: false,
     body_limit: ENV.EVENT_SERVER_BODY_LIMIT,
+    predicate_disk_file_path: ENV.CHAINHOOK_PREDICATE_PATH,
+    predicate_health_check_interval_ms: 300_000,
     node_type: 'chainhook',
   };
   const chainhook: ChainhookNodeOptions = {
     base_url: `http://${ENV.CHAINHOOK_NODE_RPC_HOST}:${ENV.CHAINHOOK_NODE_RPC_PORT}`,
   };
-  const server = new ChainhookEventObserver(opts, chainhook);
-  await server.start(predicates, async (uuid: string, payload: Payload) => {
+  const server = new ChainhookEventObserver(observer, chainhook);
+  await server.start(predicates, async (payload: Payload) => {
     logger.info(
       `ChainhookServer received ${
         payload.chainhook.is_streaming_blocks ? 'streamed' : 'replay'
-      } payload from predicate ${uuid}`
+      } payload from predicate ${payload.chainhook.uuid}`
     );
     await args.db.chainhook.processPayload(payload as StacksPayload);
   });
-  if (predicates.length) persistPredicateToDisk(predicates[0]);
   return server;
 }
 
 export async function closeChainhookServer(server: ChainhookEventObserver) {
-  try {
-    const predicatePath = `${ENV.CHAINHOOK_PREDICATE_PATH}/predicate.json`;
-    if (fs.existsSync(predicatePath)) fs.rmSync(predicatePath);
-  } catch (error) {
-    logger.error(error, `ChainhookServer unable to delete persisted predicate`);
-  }
   await server.close();
 }