fix: bundle summary in bsync runtime (#145)

* fix: bundle summary in bsync runtime

integrations/tendermint-bsync/src/utils/merkle.ts

@@ -6,25 +6,5 @@ import { dataItemToSha256, generateMerkleRoot } from '@kyvejs/sdk';
 // results (only two leafs) and the key of the data item. This allows the
 // Trustless API to serve block and block results independently.
 export function createHashesFromTendermintBundle(bundle: any[]): Uint8Array[] {
-  return bundle.map((dataItem) => {
-    const blockHashes: Uint8Array[] = [
-      dataItemToSha256(dataItem.value?.block),
-      dataItemToSha256(dataItem.value?.block_results),
-    ];
-
-    const merkleRoot: Uint8Array = generateMerkleRoot(blockHashes);
-
-    return tendermintDataItemToSha256(dataItem.key, merkleRoot);
-  });
-}
-
-function tendermintDataItemToSha256(
-  key: string,
-  merkleRoot: Uint8Array
-): Uint8Array {
-  const keyBytes = crypto.sha256(Buffer.from(key, 'utf-8'));
-
-  const combined = Buffer.concat([keyBytes, merkleRoot]);
-
-  return crypto.sha256(combined);
+  return bundle.map((dataItem) => dataItemToSha256(dataItem));
 }