From a866a05db7b6aebabbf115a45b67852f5cc1fd66 Mon Sep 17 00:00:00 2001
From: Wan Qi Chen <495709+wa0x6e@users.noreply.github.com>
Date: Sun, 27 Aug 2023 23:59:55 +0900
Subject: [PATCH 1/3] fix: fix error when msg.space is empty

---
 src/api.ts | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/api.ts b/src/api.ts
index 70b9369..172307a 100644
--- a/src/api.ts
+++ b/src/api.ts
@@ -66,14 +66,21 @@ router.get('/api/messages/:hash', async (req, res) => {
 });
 
 router.post('/', async (req, res) => {
+  const msg = req.body.data.message;
+
   if (!req.body.data || !req.body.data.message) {
     return res.status(400).json({
       error: 'Invalid format request'
     });
   }
 
+  if (!req.body.data.types.Space && !msg.settings && !msg.space) {
+    return res.status(400).json({
+      error: 'Missing space'
+    });
+  }
+
   try {
-    const msg = req.body.data.message;
     const msgHash = snapshot.utils.getHash(req.body.data);
     const address = getAddress(req.body.address);
     const env = 'livenet';

From 80aa16e5da33751699e223ec47394a8e659121b4 Mon Sep 17 00:00:00 2001
From: Wan Qi Chen <495709+wa0x6e@users.noreply.github.com>
Date: Mon, 28 Aug 2023 00:17:15 +0900
Subject: [PATCH 2/3] fix: validate message before reading

---
 src/api.ts | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/api.ts b/src/api.ts
index 172307a..802031f 100644
--- a/src/api.ts
+++ b/src/api.ts
@@ -66,14 +66,13 @@ router.get('/api/messages/:hash', async (req, res) => {
 });
 
 router.post('/', async (req, res) => {
-  const msg = req.body.data.message;
-
   if (!req.body.data || !req.body.data.message) {
     return res.status(400).json({
       error: 'Invalid format request'
     });
   }
 
+  const msg = req.body.data.message;
   if (!req.body.data.types.Space && !msg.settings && !msg.space) {
     return res.status(400).json({
       error: 'Missing space'

From 3da0e18e3a4955eb3d569ebed2355dfa3a36c1fc Mon Sep 17 00:00:00 2001
From: Wan Qi Chen <495709+wa0x6e@users.noreply.github.com>
Date: Mon, 28 Aug 2023 10:46:14 +0900
Subject: [PATCH 3/3] chore: refactoring

---
 src/api.ts | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/api.ts b/src/api.ts
index f6604aa..6e394ab 100644
--- a/src/api.ts
+++ b/src/api.ts
@@ -66,13 +66,14 @@ router.get('/api/messages/:hash', async (req, res) => {
 });
 
 router.post('/', async (req, res) => {
-  if (!req.body.data || !req.body.data.message) {
+  const msg = req.body.data?.message;
+
+  if (!msg) {
     return res.status(400).json({
       error: 'Invalid format request'
     });
   }
 
-  const msg = req.body.data.message;
   if (!req.body.data.types.Space && !msg.settings && !msg.space) {
     return res.status(400).json({
       error: 'Missing space'