Merge pull request #80 from subquery/strict-codegen

Update project with strict codegen

Polkadot/Polkadot-starter/src/mappings/mappingHandlers.ts

@@ -5,12 +5,16 @@ import {
 } from "@subql/types";
 import { StarterEntity } from "../types";
 import { Balance } from "@polkadot/types/interfaces";
+import assert from "assert";
 
 export async function handleBlock(block: SubstrateBlock): Promise<void> {
   //Create a new starterEntity with ID using block hash
-  let record = new StarterEntity(block.block.header.hash.toString());
+  let record = new StarterEntity(
+      block.block.header.hash.toString(),
+      block.block.header.number.toNumber()
+  );
+
   //Record block number
-  record.field1 = block.block.header.number.toNumber();
   await record.save();
 }
 
@@ -24,6 +28,8 @@ export async function handleEvent(event: SubstrateEvent): Promise<void> {
   const record = await StarterEntity.get(
     event.block.block.header.hash.toString()
   );
+  assert(record, "record does not exist")
+
   record.field2 = account.toString();
   //Big integer type Balance of a transfer event
   record.field3 = (balance as Balance).toBigInt();
@@ -34,9 +40,11 @@ export async function handleCall(extrinsic: SubstrateExtrinsic): Promise<void> {
   const record = await StarterEntity.get(
     extrinsic.block.block.header.hash.toString()
   );
+  assert(record, "record does not exist")
+
   //Date type timestamp
   record.field4 = extrinsic.block.timestamp;
-  //Boolean tyep
+  //Boolean type
   record.field5 = true;
   await record.save();
 }

Polkadot/Polkadot-starter/tsconfig.json

@@ -9,7 +9,8 @@
     "module": "commonjs",
     "outDir": "dist",
     "rootDir": "src",
-    "target": "es2017"
+    "target": "es2017",
+    "strict": true
   },
   "include": ["src/**/*", "node_modules/@subql/types/dist/global.d.ts"]
 }