Clear cache of latest entities on event processing error (#201)

* Clear cache of latest entities on event processing error

* Remove lighthouse-watcher and update ethersjs version

* Handle GraphDecimal type in state entity

* Add option for comparing all entities using paginate

* Clear pruned cached entities at intervals

* Move ipld-demo to graph-node package and remove reset-dbs script

* Implement changes in all watchers and codegen

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

@@ -22,6 +22,9 @@
   # Interval to restart wasm instance periodically
   wasmRestartBlocksInterval = 20
 
+  # Interval in number of blocks at which to clear entities cache.
+  clearEntitiesCacheInterval = 1000
+
   {{/if}}
   # Boolean to filter logs by contract.
   filterLogs = false

packages/codegen/src/templates/export-state-template.handlebars

@@ -118,6 +118,10 @@ const main = async (): Promise<void> => {
 
   // Export contracts and checkpoints.
   for (const contract of contracts) {
+    if (contract.startingBlock > block.blockNumber) {
+      continue;
+    }
+
     exportData.contracts.push({
       address: contract.address,
       kind: contract.kind,

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

@@ -569,8 +569,6 @@ export class Indexer implements IndexerInterface {
   }
 
   async watchContract (address: string, kind: string, checkpoint: boolean, startingBlock: number): Promise<void> {
-    await this.updateIPLDStatusMap(address, {});
-
     return this._baseIndexer.watchContract(address, kind, checkpoint, startingBlock);
   }