Let parseRawLog gracefully handle empty strings

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

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,