feat(sdk-coin-canton): added memoId check for isValidAddress

Ticket: COIN-6566

Author: borkds

modules/sdk-coin-canton/src/lib/utils.ts

@@ -15,8 +15,10 @@ export class Utils implements BaseUtils {
   isValidAddress(address: string): boolean {
     if (!address || address.trim() === '') return false;
     const [partyHint, fingerprint] = address.trim().split('::');
+    const [fingerprintPart, memoIdPart] = address.trim().split('?memoId=');
+    if (memoIdPart && !this.isValidMemoId(memoIdPart)) return false;
     if (!partyHint || !fingerprint) return false;
-    return this.isValidCantonHex(fingerprint);
+    return this.isValidCantonHex(fingerprintPart);
   }
 
   /** @inheritdoc */
@@ -56,6 +58,15 @@ export class Utils implements BaseUtils {
     return regex.test(value);
   }
 
+  /**
+   * Method to validate the input is a valid memo id
+   * @param {String} value the memo id value
+   * @returns {Boolean} true if valid
+   */
+  isValidMemoId(value: string): boolean {
+    return /^[0-9]+$/.test(value);
+  }
+
   /**
    * Helper method to convert hex value to base64
    * @param {String} hexString - hex encoded string

modules/sdk-coin-canton/test/resources.ts

@@ -84,6 +84,8 @@ export const CANTON_ADDRESSES = {
   INVALID_FINGERPRINT: '12205::12205b4e3537a95126d9060459234gd8ad3c3ddccda4f79901954280ee19c576714d',
   MISSING_PARTY_HINT: '::12205b4e3537a95126d9060459234gd8ad3c3ddccda4f79901954280ee19c576714d',
   MISSING_FINGERPRINT: '12205::',
+  INVALID_MEMO_ID: '1220a::1220a43d89dc7d8f85316116aac093667f769fce55411aef6846ccb933b2e1a3b598?memoId=xyz',
+  VALID_MEMO_ID: '1220a::1220a43d89dc7d8f85316116aac093667f769fce55411aef6846ccb933b2e1a3b598?memoId=1',
 };
 
 export const CANTON_BLOCK_HEIGHT = {

modules/sdk-coin-canton/test/unit/utils.ts

@@ -137,6 +137,18 @@ describe('Canton Util', function () {
       should.exist(isValid);
       assert.strictEqual(isValid, false);
     });
+
+    it('should return false when memo id is invalid', function () {
+      const isValid = utils.isValidAddress(CANTON_ADDRESSES.INVALID_MEMO_ID);
+      should.exist(isValid);
+      assert.strictEqual(isValid, false);
+    });
+
+    it('should return false when memo id is valid', function () {
+      const isValid = utils.isValidAddress(CANTON_ADDRESSES.VALID_MEMO_ID);
+      should.exist(isValid);
+      assert.strictEqual(isValid, true);
+    });
   });
 
   describe('Check if block hash is valid', function () {