Implement lazy watcher mode in erc20-watcher (#275)

packages/erc20-watcher/environments/local.toml

@@ -2,6 +2,7 @@
   host = "127.0.0.1"
   port = 3001
   mode = "eth_call"
+  kind = "lazy"
 
 [database]
   type = "postgres"

packages/erc20-watcher/src/server.ts

@@ -15,7 +15,7 @@ import { getDefaultProvider } from 'ethers';
 
 import { getCache } from '@vulcanize/cache';
 import { EthClient } from '@vulcanize/ipld-eth-client';
-import { DEFAULT_CONFIG_PATH, getConfig, JobQueue } from '@vulcanize/util';
+import { DEFAULT_CONFIG_PATH, getConfig, JobQueue, KIND_ACTIVE } from '@vulcanize/util';
 
 import typeDefs from './schema';
 
@@ -42,7 +42,7 @@ export const main = async (): Promise<any> => {
 
   assert(config.server, 'Missing server config');
 
-  const { host, port, mode } = config.server;
+  const { host, port, mode, kind: watcherKind } = config.server;
 
   const { upstream, database: dbConfig, jobQueue: jobQueueConfig } = config;
 
@@ -76,10 +76,12 @@ export const main = async (): Promise<any> => {
   assert(dbConnectionString, 'Missing job queue db connection string');
 
   const jobQueue = new JobQueue({ dbConnectionString, maxCompletionLag: maxCompletionLagInSecs });
-  await jobQueue.start();
-
   const eventWatcher = new EventWatcher(ethClient, indexer, pubsub, jobQueue);
-  await eventWatcher.start();
+
+  if (watcherKind === KIND_ACTIVE) {
+    await jobQueue.start();
+    await eventWatcher.start();
+  }
 
   const resolvers = process.env.MOCK ? await createMockResolvers() : await createResolvers(indexer, eventWatcher);
 

packages/uni-info-watcher/src/smoke.test.ts

@@ -61,6 +61,7 @@ describe('uni-info-watcher', () => {
   let config: Config;
   let uniClient: UniClient;
   let client: Client;
+  let deadline: number;
 
   before(async () => {
     config = await getConfig(CONFIG_FILE);
@@ -84,6 +85,11 @@ describe('uni-info-watcher', () => {
     const provider = new ethers.providers.JsonRpcProvider(rpcProviderEndpoint);
     signer = provider.getSigner();
     recipient = await signer.getAddress();
+
+    // Deadline set to 2 days from current date.
+    const deadlineDate = new Date();
+    deadlineDate.setDate(deadlineDate.getDate() + 2);
+    deadline = Math.floor(deadlineDate.getTime() / 1000);
   });
 
   it('should have a Factory entity', async () => {
@@ -702,7 +708,6 @@ describe('uni-info-watcher', () => {
     const amount1Desired = 15;
     const amount0Min = 0;
     const amount1Min = 0;
-    const deadline = 1634367993;
 
     before(async () => {
       // Get the NFPM contract address.
@@ -833,7 +838,6 @@ describe('uni-info-watcher', () => {
     const amount1Desired = 15;
     const amount0Min = 0;
     const amount1Min = 0;
-    const deadline = 1634367993;
 
     before(async () => {
       // Get initial entity values.
@@ -908,7 +912,6 @@ describe('uni-info-watcher', () => {
     const liquidity = 5;
     const amount0Min = 0;
     const amount1Min = 0;
-    const deadline = 1634367993;
 
     before(async () => {
       // Get initial entity values.

packages/uni-watcher/src/smoke.test.ts

@@ -66,6 +66,7 @@ describe('uni-watcher', () => {
   let postgraphileClient: EthClient;
   let signer: Signer;
   let recipient: string;
+  let deadline: number;
 
   before(async () => {
     config = await getConfig(CONFIG_FILE);
@@ -108,6 +109,11 @@ describe('uni-watcher', () => {
     const provider = new ethers.providers.JsonRpcProvider(rpcProviderEndpoint);
     signer = provider.getSigner();
     recipient = await signer.getAddress();
+
+    // Deadline set to 2 days from current date.
+    const deadlineDate = new Date();
+    deadlineDate.setDate(deadlineDate.getDate() + 2);
+    deadline = Math.floor(deadlineDate.getTime() / 1000);
   });
 
   after(async () => {
@@ -279,7 +285,6 @@ describe('uni-watcher', () => {
       const amount1Desired = 15;
       const amount0Min = 0;
       const amount1Min = 0;
-      const deadline = 1634367993;
 
       // Approving tokens for NonfungiblePositionManager contract.
       // https://github.com/Uniswap/uniswap-v3-periphery/blob/main/test/NonfungiblePositionManager.spec.ts#L44
@@ -344,7 +349,6 @@ describe('uni-watcher', () => {
       const amount1Desired = 15;
       const amount0Min = 0;
       const amount1Min = 0;
-      const deadline = 1634367993;
 
       // Subscribe using UniClient.
       const subscription = await uniClient.watchEvents((value: any) => {
@@ -388,7 +392,6 @@ describe('uni-watcher', () => {
       const liquidity = 5;
       const amount0Min = 0;
       const amount1Min = 0;
-      const deadline = 1634367993;
 
       // Subscribe using UniClient.
       const subscription = await uniClient.watchEvents((value: any) => {