Purge unknown events after block processing complete (#280)

packages/codegen/src/templates/database-template.handlebars

@@ -3,7 +3,7 @@
 //
 
 import assert from 'assert';
-import { Connection, ConnectionOptions, DeepPartial, FindConditions, QueryRunner } from 'typeorm';
+import { Connection, ConnectionOptions, DeepPartial, FindConditions, QueryRunner, FindManyOptions } from 'typeorm';
 import path from 'path';
 
 import { Database as BaseDatabase } from '@vulcanize/util';
@@ -179,7 +179,7 @@ export class Database {
     return this._baseDatabase.updateBlockProgress(repo, blockHash, lastProcessedEventIndex);
   }
 
-  async removeEntities<Entity> (queryRunner: QueryRunner, entity: new () => Entity, findConditions?: FindConditions<Entity>): Promise<void> {
+  async removeEntities<Entity> (queryRunner: QueryRunner, entity: new () => Entity, findConditions?: FindManyOptions<Entity> | FindConditions<Entity>): Promise<void> {
     return this._baseDatabase.removeEntities(queryRunner, entity, findConditions);
   }
 

packages/codegen/src/templates/fill-template.handlebars

@@ -91,8 +91,8 @@ export const main = async (): Promise<any> => {
   await fillBlocks(jobQueue, indexer, ethClient, eventWatcher, argv);
 };
 
-main().then(() => {
-  process.exit();
-}).catch(err => {
+main().catch(err => {
   log(err);
+}).finally(() => {
+  process.exit();
 });

packages/codegen/src/templates/indexer-template.handlebars

@@ -275,6 +275,10 @@ export class Indexer {
     return this._baseIndexer.getBlockEvents(blockHash);
   }
 
+  async removeUnknownEvents (block: BlockProgress): Promise<void> {
+    return this._baseIndexer.removeUnknownEvents(Event, block);
+  }
+
   async markBlocksAsPruned (blocks: BlockProgress[]): Promise<void> {
     return this._baseIndexer.markBlocksAsPruned(blocks);
   }