chore: add support for multi-indexer checkpoint (#9)

package.json

@@ -16,7 +16,7 @@
   },
   "prettier": "@snapshot-labs/prettier-config",
   "dependencies": {
-    "@snapshot-labs/checkpoint": "^0.1.0-beta.35",
+    "@snapshot-labs/checkpoint": "^0.1.0-beta.36",
     "@types/node": "^18.11.6",
     "cors": "^2.8.5",
     "dotenv": "^16.0.1",

src/index.ts

@@ -3,7 +3,7 @@ import express from 'express';
 import cors from 'cors';
 import path from 'path';
 import fs from 'fs';
-import Checkpoint, { LogLevel } from '@snapshot-labs/checkpoint';
+import Checkpoint, { starknet, LogLevel } from '@snapshot-labs/checkpoint';
 import config from './config.json';
 import * as writers from './writers';
 import checkpointBlocks from './checkpoints.json';
@@ -13,7 +13,8 @@ const dir = __dirname.endsWith('dist/src') ? '../' : '';
 const schemaFile = path.join(__dirname, `${dir}../src/schema.gql`);
 const schema = fs.readFileSync(schemaFile, 'utf8');
 
-const checkpoint = new Checkpoint(config, writers, schema, {
+const indexer = new starknet.StarknetIndexer(writers);
+const checkpoint = new Checkpoint(config, indexer, schema, {
   logLevel: LogLevel.Info,
   prettifyLogs: true,
   fetchInterval: 15000,

src/writers.ts

@@ -1,9 +1,9 @@
 import { validateAndParseAddress } from 'starknet';
-import { CheckpointWriter } from '@snapshot-labs/checkpoint';
+import { starknet } from '@snapshot-labs/checkpoint';
 import { Post } from '../.checkpoint/models';
 import { longStringToText } from './utils';
 
-export const handleNewPost: CheckpointWriter = async ({ block, tx, rawEvent, event }) => {
+export const handleNewPost: starknet.Writer = async ({ block, tx, rawEvent, event }) => {
   if (!block || !event || !rawEvent) return;
 
   const author = validateAndParseAddress(rawEvent.from_address);