From 9b0b98ab8c7c1c2bdd711fcca8c5fc9d3e951647 Mon Sep 17 00:00:00 2001
From: MOZGIII <mike-n@narod.ru>
Date: Mon, 31 Mar 2025 02:57:47 -0300
Subject: [PATCH] Fix multisig when the proxy pallet is not available (#11435)

* Fix multisig when the proxy pallet is not available

* Use isFunction
---
 packages/react-signer/src/Address.tsx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/react-signer/src/Address.tsx b/packages/react-signer/src/Address.tsx
index b4c02fa76f..1c05884707 100644
--- a/packages/react-signer/src/Address.tsx
+++ b/packages/react-signer/src/Address.tsx
@@ -148,7 +148,8 @@ async function queryForMultisig (api: ApiPromise, requestAddress: string | null,
   if (isFunction(api.query[multiModule]?.multisigs)) {
     const address = isProxyActive ? proxyAddress : requestAddress;
     const { threshold, who } = extractExternal(address);
-    const hash = (address ? api.tx.proxy.proxy(requestAddress || '', null, tx) : tx).method.hash;
+    const isProxyPalletAvailable = isFunction(api.tx.proxy?.proxy);
+    const hash = (address && isProxyPalletAvailable ? api.tx.proxy.proxy(requestAddress || '', null, tx) : tx).method.hash;
 
     const optMulti = await api.query[multiModule].multisigs<Option<Multisig>>(address, hash);
     const multi = optMulti.unwrapOr(null);