Fix timstamp conversion in block header, add test

Author: stwiname

packages/node/src/algorand/utils.algorand.spec.ts

@@ -5,7 +5,7 @@ import { INestApplication } from '@nestjs/common';
 import { AlgorandBlock } from '@subql/types-algorand';
 import { prepareApiService } from './algorand.spec';
 import { AlgorandApiService } from './api.service.algorand';
-import { filterTransaction } from './utils.algorand';
+import { algorandBlockToHeader, filterTransaction } from './utils.algorand';
 
 describe('Algorand Filters', () => {
   describe('Transaction Filters', () => {
@@ -94,5 +94,11 @@ describe('Algorand Filters', () => {
         }),
       ).toBeTruthy();
     });
+
+    it('can correctly get a block timestamp date', () => {
+      const header = algorandBlockToHeader(block);
+
+      expect(header.timestamp).toEqual(new Date('2023-07-13T10:44:35.000Z'));
+    });
   });
 });

packages/node/src/algorand/utils.algorand.ts

@@ -18,7 +18,7 @@ export function algorandBlockToHeader(block: BlockContent): Header {
     blockHeight: block.round,
     blockHash: block.hash,
     parentHash: block.previousBlockHash,
-    timestamp: new Date(block.timestamp),
+    timestamp: new Date(block.timestamp * 1000), // Add MS
   };
 }