Add a flag to enable state creation (#222)

* Add a flag to enable state creation

* Update flag in mock config for testing

packages/graph-node/src/loader.ts

@@ -98,9 +98,8 @@ export const instantiate = async (
         const dbEntity = await database.saveEntity(entityName, dbData);
         database.cacheUpdatedEntityByName(entityName, dbEntity);
 
-        // Update the in-memory subgraph state if not disabled.
-        // TODO: enableSubgraphState
-        if (!indexer.serverConfig.disableSubgraphState) {
+        // Update the in-memory subgraph state enabled
+        if (indexer.serverConfig.enableState) {
           // Prepare diff data for the entity update
           assert(indexer.getRelationsMap);
           const diffData = prepareEntityState(dbData, entityName, indexer.getRelationsMap());

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

@@ -211,7 +211,7 @@ class ServerConfig implements ServerConfigInterface {
   checkpointing: boolean;
   checkpointInterval: number;
   subgraphPath: string;
-  disableSubgraphState: boolean;
+  enableState: boolean;
   wasmRestartBlocksInterval: number;
   filterLogs: boolean;
   maxEventsBlockRange: number;
@@ -226,7 +226,7 @@ class ServerConfig implements ServerConfigInterface {
     this.checkpointing = false;
     this.checkpointInterval = 0;
     this.subgraphPath = '';
-    this.disableSubgraphState = false;
+    this.enableState = false;
     this.wasmRestartBlocksInterval = 0;
     this.filterLogs = false;
     this.maxEventsBlockRange = 0;