handleValidateMerkleProof

src/router.ts

@@ -10,6 +10,7 @@ import { prepareAndSendPairingTx } from './utils/sp-address.utils';
 import ModalService from './services/modal.service';
 import { MessageType } from './models/process.model';
 import { splitPrivateData, isValid32ByteHex } from './utils/service.utils';
+import { MerkleProofResult } from 'pkg/sdk_client';
 
 const routes: { [key: string]: string } = {
   home: '/src/pages/home/home.html',
@@ -722,8 +723,6 @@ export async function registerAllListeners() {
   const handleGetMerkleProof = async (event: MessageEvent) => {
     if (event.data.type !== MessageType.GET_MERKLE_PROOF) return;
 
-    console.log('handleGetMerkleProof', event.data);
-
     try {
       const { accessToken, processState, attributeName } = event.data;
 
@@ -747,6 +746,41 @@ export async function registerAllListeners() {
     }
   }
 
+  const handleValidateMerkleProof = async (event: MessageEvent) => {
+    if (event.data.type !== MessageType.VALIDATE_MERKLE_PROOF) return;
+
+    try {
+      const { accessToken, merkleProof, documentHash } = event.data;
+
+      if (!accessToken || !(await tokenService.validateToken(accessToken, event.origin))) {
+        throw new Error('Invalid or expired session token');
+      }
+
+      // Try to parse the proof
+      // We will validate it's a MerkleProofResult in the wasm
+      let parsedMerkleProof: MerkleProofResult;
+      try {
+        parsedMerkleProof= JSON.parse(merkleProof);
+      } catch (e) {
+        throw new Error('Provided merkleProof is not a valid json object');
+      }
+
+      const res = services.validateMerkleProof(parsedMerkleProof, documentHash);
+
+      window.parent.postMessage(
+        { 
+          type: MessageType.MERKLE_PROOF_VALIDATED,
+          isValid: res,
+          messageId: event.data.messageId
+        },
+        event.origin
+      );
+    } catch (e) {
+      const errorMsg = `Failed to get merkle proof: ${e}`;
+      errorResponse(errorMsg, event.origin, event.data.messageId);
+    }
+  }
+
   window.removeEventListener('message', handleMessage);
   window.addEventListener('message', handleMessage);
 
@@ -795,6 +829,9 @@ export async function registerAllListeners() {
         case MessageType.GET_MERKLE_PROOF:
           await handleGetMerkleProof(event);
           break;
+        case MessageType.VALIDATE_MERKLE_PROOF:
+          await handleValidateMerkleProof(event);
+          break;
         default:
           console.warn(`Unhandled message type: ${event.data.type}`);
       }