From fe0a80bd1e3df04c199a0ad642d9b926788c67e6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Eduard=20Bardaj=C3=AD=20Puig?= <ebardaji@gmail.com>
Date: Mon, 14 Oct 2024 17:22:00 +0200
Subject: [PATCH] Ensure hex string starts with 0x

---
 src/stacks-rpc-api/smart-contracts/map-entry.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/stacks-rpc-api/smart-contracts/map-entry.ts b/src/stacks-rpc-api/smart-contracts/map-entry.ts
index e5fa9ae..842f372 100644
--- a/src/stacks-rpc-api/smart-contracts/map-entry.ts
+++ b/src/stacks-rpc-api/smart-contracts/map-entry.ts
@@ -38,7 +38,7 @@ export async function mapEntry(args: Args): Promise<Result<MapEntryResponse>> {
     };
   }
   init.method = "POST";
-  init.body = args.mapKey;
+  init.body = args.mapKey.startsWith("0x") ? args.mapKey : `0x${args.mapKey}`;
 
   const endpoint = `${args.baseUrl}/v2/map_entry/${args.contractAddress}/${args.contractName}/${args.mapName}?${search}`;
   const res = await fetch(endpoint, init);