Update codegen with changes implemented in mobymask watcher (#148)

* Update codegen with index-block CLI and remove graph-node

* Add filter logs by contract flag

* Skip generating GQL API for immutable variables

* Add config for maxEventsBlockRange

* Add new flags in existing watchers

packages/graph-test-watcher/environments/local.toml

@@ -15,6 +15,13 @@
   subgraphPath = "../graph-node/test/subgraph/example1/build"
   wasmRestartBlocksInterval = 20
 
+  # Boolean to filter logs by contract.
+  filterLogs = false
+
+  # Max block range for which to return events in eventsInRange GQL query.
+  # Use -1 for skipping check on block range.
+  maxEventsBlockRange = 1000
+
 [database]
   type = "postgres"
   host = "localhost"