From a9c11efecbe9af92ee0d8eeebe3d8bcc400ee412 Mon Sep 17 00:00:00 2001
From: Tarik Gul <47201679+TarikGul@users.noreply.github.com>
Date: Mon, 15 Sep 2025 11:14:22 -0400
Subject: [PATCH] Set Statemint xcm types to v4 to patch decoding (#6208)

* Set Statemint xcm types to v4 to patch decoding

* Add comment
---
 packages/types-known/src/spec/statemint.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/packages/types-known/src/spec/statemint.ts b/packages/types-known/src/spec/statemint.ts
index 81bdb18704..e794361234 100644
--- a/packages/types-known/src/spec/statemint.ts
+++ b/packages/types-known/src/spec/statemint.ts
@@ -53,10 +53,14 @@ export const versioned: OverrideVersionedType[] = [
       TAssetConversion: 'Option<AssetId>'
     }
   },
+  // ref: https://github.com/polkadot-js/api/pull/6208
+  // The following patches an issue where polkadot asset hub block 9686187, can't be decoding using xcm v5
+  // mappings.
   {
     minmax: [1002000, undefined],
     types: {
-      Weight: 'WeightV1'
+      Weight: 'WeightV1',
+      ...mapXcmTypes('V4')
     }
   }
   // ,