first init

.env.example

@@ -0,0 +1,19 @@
+NODE_ENV=development
+APP_NAME=evm-event-tracker
+LOG_DIR=../logs
+LOG_SERVER=
+DB_HOST=localhost
+DB_PORT=5432
+DB_USERNAME=dev_user
+DB_PASSWORD=dev_password
+DB_NAME=event_tracker_dev
+REDIS_HOST=localhost
+REDIS_PORT=6379
+CONTRACT_ADDRESS=0x7ceb23fd6bc0add59e62ac25578270cff1b9f619
+CONTRACT_ABI_PATH=./src/abi/WETH.json
+CONTRACT_EVENT_NAMES=Approval,Transfer
+RPC_URL=https://polygon-mainnet.infura.io/v3/INFURA_ID
+POLL_INTERVAL_MS=60000
+STARTING_BLOCK_NUMBER=58799213
+RESCAN=true
+RESCAN_TIMER=600000

.gitignore

@@ -0,0 +1,9 @@
+node_modules
+.env
+.env.production
+.env.development
+
+/log
+/logs
+
+package-lock.json

docker-compose.yml

@@ -0,0 +1,24 @@
+version: '3.8'
+
+services:
+  postgres:
+    image: postgres:14
+    environment:
+      POSTGRES_DB: ${DB_NAME}
+      POSTGRES_USER: ${DB_USERNAME}
+      POSTGRES_PASSWORD: ${DB_PASSWORD}
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+    ports:
+      - "${DB_PORT}:5432"
+
+  redis:
+    image: redis:6
+    ports:
+      - "${REDIS_PORT}:6379"
+    volumes:
+      - redis_data:/data
+
+volumes:
+  postgres_data:
+  redis_data:

package.json

@@ -0,0 +1,40 @@
+{
+  "name": "evm-event-tracker",
+  "author": {
+    "name": "Deniz Umut Dereli",
+    "email": "deniz.umut.dereli@gmail.com"},
+  "version": "1.0.0",
+  "description": "EVM event tracker using TypeScript, PostgreSQL, and Redis",
+  "main": "dist/index.js",
+  "scripts": {
+    "start": "node dist/index.js",
+    "dev": "ts-node-dev --respawn --transpile-only src/index.ts",
+    "build": "tsc",
+    "typeorm": "typeorm-ts-node-commonjs"
+  },
+  "dependencies": {
+    "commander": "^12.1.0",
+    "dotenv": "^16.0.3",
+    "ethers": "^6.7.1",
+    "inquirer": "^9.3.1",
+    "pg": "^8.10.0",
+    "redis": "^3.1.2",
+    "reflect-metadata": "^0.1.13",
+    "typeorm": "^0.3.15",
+    "winston": "^3.13.0",
+    "winston-daily-rotate-file": "^5.0.0",
+    "winston-syslog": "^2.7.0"
+  },
+  "devDependencies": {
+    "@types/inquirer": "^9.0.7",
+    "@types/node": "^18.15.11",
+    "@types/redis": "^2.8.32",
+    "@types/winston-syslog": "^2.4.3",
+    "ts-node": "^10.9.1",
+    "ts-node-dev": "^2.0.0",
+    "typescript": "^5.0.4"
+  },
+  "engines": {
+    "node": ">=14.0.0"
+  }
+}

src/abi/WETH.json

@@ -0,0 +1,5 @@
+{
+    "status": "1",
+    "message": "OK-Missing/Invalid API Key, rate limit of 1/5sec applied",
+    "result": "[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"childChainManager\",\"type\":\"address\"}],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"}],\"name\":\"Approval\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"address\",\"name\":\"userAddress\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"address payable\",\"name\":\"relayerAddress\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"bytes\",\"name\":\"functionSignature\",\"type\":\"bytes\"}],\"name\":\"MetaTransactionExecuted\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"role\",\"type\":\"bytes32\"},{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"previousAdminRole\",\"type\":\"bytes32\"},{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"newAdminRole\",\"type\":\"bytes32\"}],\"name\":\"RoleAdminChanged\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"role\",\"type\":\"bytes32\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"}],\"name\":\"RoleGranted\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"role\",\"type\":\"bytes32\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"}],\"name\":\"RoleRevoked\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"}],\"name\":\"Transfer\",\"type\":\"event\"},{\"inputs\":[],\"name\":\"CHILD_CHAIN_ID\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"CHILD_CHAIN_ID_BYTES\",\"outputs\":[{\"internalType\":\"bytes\",\"name\":\"\",\"type\":\"bytes\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"DEFAULT_ADMIN_ROLE\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"DEPOSITOR_ROLE\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"ERC712_VERSION\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"ROOT_CHAIN_ID\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"ROOT_CHAIN_ID_BYTES\",\"outputs\":[{\"internalType\":\"bytes\",\"name\":\"\",\"type\":\"bytes\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"}],\"name\":\"allowance\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"approve\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"balanceOf\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"decimals\",\"outputs\":[{\"internalType\":\"uint8\",\"name\":\"\",\"type\":\"uint8\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"subtractedValue\",\"type\":\"uint256\"}],\"name\":\"decreaseAllowance\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"user\",\"type\":\"address\"},{\"internalType\":\"bytes\",\"name\":\"depositData\",\"type\":\"bytes\"}],\"name\":\"deposit\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"userAddress\",\"type\":\"address\"},{\"internalType\":\"bytes\",\"name\":\"functionSignature\",\"type\":\"bytes\"},{\"internalType\":\"bytes32\",\"name\":\"sigR\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"sigS\",\"type\":\"bytes32\"},{\"internalType\":\"uint8\",\"name\":\"sigV\",\"type\":\"uint8\"}],\"name\":\"executeMetaTransaction\",\"outputs\":[{\"internalType\":\"bytes\",\"name\":\"\",\"type\":\"bytes\"}],\"stateMutability\":\"payable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"getChainId\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"pure\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"getDomainSeperator\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"user\",\"type\":\"address\"}],\"name\":\"getNonce\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"nonce\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"role\",\"type\":\"bytes32\"}],\"name\":\"getRoleAdmin\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"role\",\"type\":\"bytes32\"},{\"internalType\":\"uint256\",\"name\":\"index\",\"type\":\"uint256\"}],\"name\":\"getRoleMember\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"role\",\"type\":\"bytes32\"}],\"name\":\"getRoleMemberCount\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"role\",\"type\":\"bytes32\"},{\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"grantRole\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"role\",\"type\":\"bytes32\"},{\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"hasRole\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"addedValue\",\"type\":\"uint256\"}],\"name\":\"increaseAllowance\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"name\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"role\",\"type\":\"bytes32\"},{\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"renounceRole\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"role\",\"type\":\"bytes32\"},{\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"revokeRole\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"symbol\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"totalSupply\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"recipient\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"transfer\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"recipient\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"transferFrom\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"withdraw\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}]"
+  }

src/config/config.ts

@@ -0,0 +1,65 @@
+import { Command } from 'commander';
+import dotenv from 'dotenv';
+import path from 'path';
+import { Config } from 'src/interfaces';
+
+const envFile = process.env.NODE_ENV === 'production' ? '.env.production' : '.env.development';
+dotenv.config({ path: path.resolve(process.cwd(), envFile) });
+
+const program = new Command();
+const genesis = '0';
+
+program
+  .option('--appname <appname>', 'Application name')
+  .option('--rpc <url>', 'RPC URL')
+  .option('--abi <path>', 'ABI path')
+  .option('--events <names>', 'Event names, comma separated')
+  .option('--block <number>', 'Starting block number', (value) => parseInt(value, 10))
+  .option('--contract <address>', 'Contract address')
+  .option('--rescan <rescan>', 'Enable rescan feature', (value) => value === 'true');
+
+const options = program.opts();
+
+const eventNames: string[] = options.events
+  ? options.events.split(',').map((event: string) => event.trim())
+  : (process.env.CONTRACT_EVENT_NAMES
+    ? process.env.CONTRACT_EVENT_NAMES.split(',').map((event: string) => event.trim())
+    : []);
+
+const pollIntervalMs = parseInt(process.env.POLL_INTERVAL_MS || '60000', 10);
+const rescanTimer =  parseInt(process.env.RESCAN_TIMER || '600000', 10);
+
+if (rescanTimer <= pollIntervalMs) {
+  console.error("RESCAN_TIMER must be greater than POLL_INTERVAL_MS");
+  process.exit(1);
+}
+
+export const config:Config = {
+  nodeEnv: process.env.NODE_ENV || 'development',
+  appName: options.appname || (process.env.APP_NAME || 'event-tracker'),
+  logDir: process.env.LOG_DIR || 'logs',
+  logServer: process.env.LOG_SERVER,
+  database: {
+    host: process.env.DB_HOST || 'localhost',
+    port: parseInt(process.env.DB_PORT || '5432', 10),
+    username: process.env.DB_USERNAME || 'postgres',
+    password: process.env.DB_PASSWORD  || 'password',
+    name: process.env.DB_NAME || 'evm-event-tracker',
+  },
+  redis: {
+    host: process.env.REDIS_HOST || 'localhost',
+    port: parseInt(process.env.REDIS_PORT || '6379', 10),
+  },
+  contract: {
+    address: options.contract || process.env.CONTRACT_ADDRESS,
+    rpcUrl: options.rpc || process.env.RPC_URL,
+    abiPath: options.abi || process.env.CONTRACT_ABI_PATH || '',
+    eventNames: eventNames,
+  },
+  pollIntervalMs: pollIntervalMs,
+  rescan: options.rescan,
+  rescanTimer: rescanTimer,
+  startBlockNumber: options.block || parseInt(process.env.STARTING_BLOCK_NUMBER || genesis, 10),
+};
+
+console.log(`Running with config: ${JSON.stringify(config, null, 2)}`);

src/entities/Event.ts

@@ -0,0 +1,29 @@
+import { Column, Entity, Index, PrimaryGeneratedColumn } from 'typeorm';
+
+@Entity()
+@Index(['transactionHash', 'logIndex'], { unique: true })
+export class Event {
+  @PrimaryGeneratedColumn()
+  id: number;
+
+  @Column()
+  eventName: string;
+
+  @Column()
+  eventSignature: string;
+
+  @Column({ type: 'text' })
+  eventData: string;
+
+  @Column()
+  blockNumber: number;
+
+  @Column()
+  transactionHash: string;
+
+  @Column()
+  logIndex: number;
+
+  @Column({ type: 'text', nullable: true })
+  parsedData: string;
+}

src/events/contractEvents.ts

@@ -0,0 +1,62 @@
+import { ethers } from 'ethers';
+import fs from 'fs';
+import { config } from '../config/config';
+import { logger } from '../logger/logger';
+
+export interface EventDefinition {
+  name: string;
+  signature: string;
+}
+
+interface AbiInput {
+  internalType: string;
+  name: string;
+  type: string;
+}
+
+interface AbiEvent {
+  anonymous: boolean;
+  inputs: AbiInput[];
+  name: string;
+  type: string;
+}
+
+const abiPath = config.contract.abiPath;
+const abiContent = fs.readFileSync(abiPath, 'utf8');
+const abiJson = JSON.parse(abiContent);
+const abi: AbiEvent[] = JSON.parse(abiJson.result); 
+
+const extractEventsFromAbi = (abi: AbiEvent[]): EventDefinition[] => {
+  return abi
+    .filter(item => item.type === 'event')
+    .map(event => ({
+      name: event.name,
+      signature: `${event.name}(${event.inputs.map((input: AbiInput) => input.type).join(',')})`,
+    }));
+};
+
+export const allContractEvents: EventDefinition[] = extractEventsFromAbi(abi);
+
+export function generateEventSignatures(events: EventDefinition[]): string[] {
+  return events.map(event => ethers.keccak256(ethers.toUtf8Bytes(event.signature)));
+}
+
+const wantedEventNames = new Set([...config.contract.eventNames]);
+const filteredEvents = allContractEvents.filter(event => wantedEventNames.has(event.name));
+
+wantedEventNames.forEach(eventName => {
+  if (!filteredEvents.some(event => event.name === eventName)) {
+    logger.error(`Warning: Event name "${eventName}" not found in the ABI.`);
+    process.exit(1);
+  }
+});
+
+export const contractEvents = filteredEvents;
+
+export const eventSignatures = generateEventSignatures(contractEvents);
+
+logger.info(`Filtered contract events: ${JSON.stringify(contractEvents)}`);
+logger.info(`Event signatures: ${JSON.stringify(eventSignatures)}`);
+
+
+

src/index.ts

@@ -0,0 +1,62 @@
+import Redis from 'redis';
+import { DataSource } from 'typeorm';
+import { promisify } from 'util';
+import { config } from './config/config';
+import { Event } from './entities/Event';
+import { logger } from './logger/logger';
+import { EventTracker } from './services/EventTracker';
+
+async function getLatestBlockFromDb(dataSource: DataSource): Promise<number> {
+  const latestBlock = await dataSource.query(`SELECT MAX("blockNumber") AS "latestBlock" FROM event`);
+  return latestBlock[0].latestBlock || config.startBlockNumber;
+}
+
+async function main() {
+  const dataSource = new DataSource({
+    type: 'postgres',
+    host: config.database.host,
+    port: config.database.port,
+    username: config.database.username,
+    password: config.database.password,
+    database: config.database.name,
+    entities: [Event],
+    synchronize: true,
+  });
+
+  await dataSource.initialize();
+  logger.debug('Database connection established');
+
+  const redisClient = Redis.createClient({
+    host: config.redis.host,
+    port: config.redis.port,
+  });
+
+  const redisGetAsync = promisify(redisClient.get).bind(redisClient);
+  const currentBlock = await getLatestBlockFromDb(dataSource);
+
+  if (config.startBlockNumber > currentBlock) {
+    console.error(`Configured start block number ${config.startBlockNumber} is bigger than the latest processed block ${currentBlock}. Aborting.`);
+    process.exit(1);
+  } else {
+    config.startBlockNumber = currentBlock;
+  }
+
+  const eventTracker = new EventTracker(dataSource, config.pollIntervalMs);
+  await eventTracker.initialize();
+  logger.debug('Event tracker initialized');
+
+  // graceful shutdown
+  process.on('SIGINT', async () => {
+    logger.debug('Stopping event tracker...');
+    eventTracker.stop();
+    await dataSource.destroy();
+    redisClient.quit();
+    logger.debug('Database connection closed');
+    process.exit(0);
+  });
+}
+
+main().catch((error) => {
+  console.error('Error:', error);
+  process.exit(1);
+});

src/interfaces/config.interface.ts

@@ -0,0 +1,28 @@
+export interface Config {
+    nodeEnv: string;
+    appName: string;
+    logDir: string;
+    logServer?: string;
+    database: {
+      host: string;
+      port: number;
+      username: string;
+      password: string;
+      name: string;
+    };
+    redis: {
+      host: string;
+      port: number;
+    };
+    contract: {
+      address?: string;
+      rpcUrl?: string;
+      abiPath: string;
+      eventNames: string[];
+    };
+    pollIntervalMs: number;
+    rescan: boolean;
+    rescanTimer: number;
+    startBlockNumber: number;
+  }
+

src/interfaces/index.ts

@@ -0,0 +1,2 @@
+export * from "./config.interface";
+