From 1736c87d5f4632db8217284c238862de31365b24 Mon Sep 17 00:00:00 2001
From: Prashan Dharmasena <prashan.dharmasena@joinozone.com>
Date: Wed, 10 Aug 2022 17:59:34 -0400
Subject: [PATCH] Fix NPE caused by casting chainId to Double.

---
 .../main/kotlin/org/walletconnect/types/TypeMapConversion.kt    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/src/main/kotlin/org/walletconnect/types/TypeMapConversion.kt b/lib/src/main/kotlin/org/walletconnect/types/TypeMapConversion.kt
index d03308d..da1e3ca 100644
--- a/lib/src/main/kotlin/org/walletconnect/types/TypeMapConversion.kt
+++ b/lib/src/main/kotlin/org/walletconnect/types/TypeMapConversion.kt
@@ -46,7 +46,7 @@ fun Session.SessionParams.intoMap(params: MutableMap<String, Any?> = mutableMapO
 
 fun Map<String, *>.extractSessionParams(): Session.SessionParams {
     val approved = this["approved"] as? Boolean ?: throw IllegalArgumentException("approved missing")
-    val chainId = (this["chainId"] as Double).toLong()
+    val chainId = (this["chainId"] as? Double)?.toLong()
     val accounts = nullOnThrow { (this["accounts"] as? List<*>)?.toStringList() }
 
     return Session.SessionParams(approved, chainId, accounts, nullOnThrow { this.extractPeerData() })