From fa51c8c423d4461ee8e847742bcc528e0d188054 Mon Sep 17 00:00:00 2001
From: Andre Staltz <andre@staltz.com>
Date: Fri, 24 Nov 2023 15:07:06 +0200
Subject: [PATCH] Fix minRequiredDepth() validation

---
 lib/index.js | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/lib/index.js b/lib/index.js
index f852934..f5f6072 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -350,18 +350,18 @@ function initDict(peer, config) {
    */
   function minRequiredDepth(tangleID) {
     assertDBPlugin(peer)
+    const tangle = peer.db.getTangle(tangleID)
 
-    const rootMsg = peer.db.get(tangleID)
-    if (!rootMsg) throw new Error(`Cannot find tangle root "${tangleID}"`)
-    if (!MsgV3.isMoot(rootMsg)) throw new Error(`"${tangleID}" is not a moot`)
-
-    const domain = rootMsg.metadata.domain
     // prettier-ignore
-    if (!domain.startsWith(PREFIX)) throw new Error(`"${tangleID}" is not a dict moot`)
+    if (!tangle || tangle.size === 0) throw new Error(`Tangle "${tangleID}" is locally unknown`)
+    // prettier-ignore
+    if (!MsgV3.isMoot(tangle.root)) throw new Error(`Tangle "${tangleID}" is not a moot`)
+    const domain = tangle.root.metadata.domain
+    // prettier-ignore
+    if (!domain.startsWith(PREFIX)) throw new Error(`Tangle "${tangleID}" is not a Dict moot`)
 
     // Discover field roots
     const fieldRoots = new Set()
-    const tangle = peer.db.getTangle(tangleID)
     const msgIDs = tangle.topoSort()
     for (const msgID of msgIDs) {
       const msg = peer.db.get(msgID)