From 874612b0df1282481c100f148e44f6380378b6b1 Mon Sep 17 00:00:00 2001
From: Simon Warta <simon@warta.it>
Date: Fri, 8 Mar 2024 12:26:53 +0100
Subject: [PATCH] Let `parseRawLog` gracefully handle empty strings

---
 CHANGELOG.md                  | 5 +++++
 packages/stargate/src/logs.ts | 5 ++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index eff4050d..f2390277 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -19,6 +19,11 @@ and this project adheres to
   import { parseCoins } from "@cosmjs/amino";
   ```
 
+- @cosmjs/stargate: Let `parseRawLog` gracefully handle empty strings to better
+  support Cosmos SDK 0.50 inputs. ([#1564])
+
+[#1564]: https://github.com/cosmos/cosmjs/pull/1564
+
 ### Fixed
 
 - @cosmjs/encoding: Avoid using replacement character in doc comment to make
diff --git a/packages/stargate/src/logs.ts b/packages/stargate/src/logs.ts
index f899c8fe..1e97d560 100644
--- a/packages/stargate/src/logs.ts
+++ b/packages/stargate/src/logs.ts
@@ -54,7 +54,10 @@ export function parseLogs(input: unknown): readonly Log[] {
   return input.map(parseLog);
 }
 
-export function parseRawLog(input = "[]"): readonly Log[] {
+export function parseRawLog(input: string | undefined): readonly Log[] {
+  // Cosmos SDK >= 0.50 gives us an empty string here. This should be handled like undefined.
+  if (!input) return [];
+
   const logsToParse = JSON.parse(input).map(({ events }: { events: readonly unknown[] }, i: number) => ({
     msg_index: i,
     events,