From c9ca6ca721672becb94e0e8c9f9ac351f2a1586f Mon Sep 17 00:00:00 2001
From: Simon Warta <simon@warta.it>
Date: Thu, 15 Sep 2022 09:58:31 +0200
Subject: [PATCH] Accept non-ASCII inputs in query requests of
 queryContractSmart

---
 CHANGELOG.md                                           | 3 +++
 packages/cosmwasm-stargate/src/modules/wasm/queries.ts | 4 ++--
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index b2ce9142..8d5a94f5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -57,12 +57,15 @@ and this project adheres to
 - @cosmjs/tendermint-rpc: Fix decoding events without attributes ([#1198]).
 - @cosmjs/amino, @cosmjs/proto-signing: Support amounts larger than the uint64
   range in `parseCoins` ([#1268]).
+- @cosmjs/cosmwasm-stargate: Accept non-ASCII inputs in query requests of
+  `{CosmWasmClient,WasmExtension}.queryContractSmart` ([#1269]).
 
 [#1170]: https://github.com/cosmos/cosmjs/issues/1170
 [#1177]: https://github.com/cosmos/cosmjs/issues/1177
 [#1188]: https://github.com/cosmos/cosmjs/pull/1188
 [#1198]: https://github.com/cosmos/cosmjs/pull/1198
 [#1268]: https://github.com/cosmos/cosmjs/issues/1268
+[#1269]: https://github.com/cosmos/cosmjs/issues/1269
 
 ### Changed
 
diff --git a/packages/cosmwasm-stargate/src/modules/wasm/queries.ts b/packages/cosmwasm-stargate/src/modules/wasm/queries.ts
index 1f851f70..f9b5d20f 100644
--- a/packages/cosmwasm-stargate/src/modules/wasm/queries.ts
+++ b/packages/cosmwasm-stargate/src/modules/wasm/queries.ts
@@ -1,4 +1,4 @@
-import { fromUtf8, toAscii } from "@cosmjs/encoding";
+import { fromUtf8, toUtf8 } from "@cosmjs/encoding";
 import { createPagination, createProtobufRpcClient, QueryClient } from "@cosmjs/stargate";
 import {
   QueryAllContractStateResponse,
@@ -117,7 +117,7 @@ export function setupWasmExtension(base: QueryClient): WasmExtension {
       },
 
       queryContractSmart: async (address: string, query: Record<string, unknown>) => {
-        const request = { address: address, queryData: toAscii(JSON.stringify(query)) };
+        const request = { address: address, queryData: toUtf8(JSON.stringify(query)) };
         const { data } = await queryService.SmartContractState(request);
         // By convention, smart queries must return a valid JSON document (see https://github.com/CosmWasm/cosmwasm/issues/144)
         let responseText: string;