Add isFEVM flag in config to avoid filtering event logs by topics (#454)

* Pass upstream config to indexer instance

* Add isFEVM flag and refactor watcher config fields

* Codegen changes for indexer

* Add missing getter in dummy indexer for graph-node tests

packages/graph-node/test/utils/indexer.ts

@@ -17,7 +17,8 @@ import {
   getResultEvent,
   ResultEvent,
   StateKind,
-  EthClient
+  EthClient,
+  UpstreamConfig
 } from '@cerc-io/util';
 import { GetStorageAt, getStorageValue, MappingKey, StorageLayout } from '@cerc-io/solidity-mapper';
 
@@ -37,6 +38,10 @@ export class Indexer implements IndexerInterface {
     return {} as ServerConfig;
   }
 
+  get upstreamConfig () {
+    return {} as UpstreamConfig;
+  }
+
   get storageLayoutMap (): Map<string, StorageLayout> {
     return this._storageLayoutMap;
   }