From d1f70f607026bafec315c8d50717f38e17c5fef0 Mon Sep 17 00:00:00 2001
From: Gancho Radkov <ganchoradkov93@gmail.com>
Date: Tue, 1 Oct 2024 10:46:03 +0300
Subject: [PATCH] fix: enables pairing via base64 encoded uri

---
 packages/core/test/pairing.spec.ts | 13 ++++++++++++-
 packages/utils/src/validators.ts   | 15 ++++++++++++---
 2 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/packages/core/test/pairing.spec.ts b/packages/core/test/pairing.spec.ts
index 12ffc3651..f6e9dc11d 100644
--- a/packages/core/test/pairing.spec.ts
+++ b/packages/core/test/pairing.spec.ts
@@ -2,7 +2,7 @@ import { expect, describe, it, beforeEach, afterEach } from "vitest";
 import { ICore } from "@walletconnect/types";
 import { Core, CORE_PROTOCOL, CORE_VERSION, PAIRING_EVENTS, SUBSCRIBER_EVENTS } from "../src";
 import { TEST_CORE_OPTIONS, disconnectSocket, waitForEvent } from "./shared";
-import { generateRandomBytes32, parseUri } from "@walletconnect/utils";
+import { generateRandomBytes32, parseUri, toBase64 } from "@walletconnect/utils";
 
 const createCoreClients: () => Promise<{ coreA: ICore; coreB: ICore }> = async () => {
   const coreA = new Core(TEST_CORE_OPTIONS);
@@ -53,6 +53,17 @@ describe("Pairing", () => {
       expect(coreA.pairing.getPairings()[0].active).toBe(false);
       expect(coreB.pairing.getPairings()[0].active).toBe(false);
     });
+    it("can pair via base64 provided URI", async () => {
+      const { uri } = await coreA.pairing.create();
+      const encodedUri = toBase64(uri, true);
+      await coreB.pairing.pair({ uri: encodedUri });
+
+      expect(coreA.pairing.pairings.keys.length).toBe(1);
+      expect(coreB.pairing.pairings.keys.length).toBe(1);
+      expect(coreA.pairing.pairings.keys).to.deep.equal(coreB.pairing.pairings.keys);
+      expect(coreA.pairing.getPairings()[0].active).toBe(false);
+      expect(coreB.pairing.getPairings()[0].active).toBe(false);
+    });
 
     it("can pair via provided android deeplink URI", async () => {
       const { uri } = await coreA.pairing.create();
diff --git a/packages/utils/src/validators.ts b/packages/utils/src/validators.ts
index f33a6d38d..d961a22bf 100644
--- a/packages/utils/src/validators.ts
+++ b/packages/utils/src/validators.ts
@@ -7,7 +7,7 @@ import {
   getAccountsChains,
 } from "./namespaces";
 import { getSdkError, getInternalError } from "./errors";
-import { hasOverlap } from "./misc";
+import { fromBase64, hasOverlap } from "./misc";
 import { getChainsFromNamespace } from "./caip";
 
 export type ErrorObject = { message: string; code: number } | null;
@@ -91,14 +91,23 @@ export function isValidAccountId(value: any) {
 }
 
 export function isValidUrl(value: any) {
-  if (isValidString(value, false)) {
+  function validateUrl(blob: string) {
     try {
-      const url = new URL(value);
+      const url = new URL(blob);
       return typeof url !== "undefined";
     } catch (e) {
       return false;
     }
   }
+  try {
+    if (isValidString(value, false)) {
+      const isValid = validateUrl(value);
+      if (isValid) return true;
+
+      const decoded = fromBase64(value);
+      return validateUrl(decoded);
+    }
+  } catch (e) {}
   return false;
 }