Add a flag to enable state creation (#222)

* Add a flag to enable state creation

* Update flag in mock config for testing

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

@@ -9,13 +9,13 @@
   # Checkpoint interval in number of blocks.
   checkpointInterval = 2000
 
+  # Enable state creation
+  # CAUTION: Disable only if state creation is not desired or can be filled subsequently
+  enableState = true
+
   {{#if (subgraphPath)}}
   subgraphPath = "{{subgraphPath}}"
 
-  # Disable creation of state from subgraph entity updates
-  # CAUTION: Disable only if subgraph state is not desired or can be filled subsequently
-  disableSubgraphState = false
-
   # Interval to restart wasm instance periodically
   wasmRestartBlocksInterval = 20
 

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

@@ -95,7 +95,9 @@ export const main = async (): Promise<any> => {
   await graphWatcher.init();
 
   if (argv.state) {
+    assert(config.server.enableState, 'State creation disabled');
     await fillState(indexer, graphDb, graphWatcher.dataSources, argv);
+
     return;
   }
   {{/if}}