From 6f0b24d62d0f6696a273c9cd8f5311d3e6a9eb96 Mon Sep 17 00:00:00 2001
From: Kay Kurokawa <kay@lbry.io>
Date: Mon, 12 Mar 2018 22:14:05 -0400
Subject: [PATCH] add comment about what recursivePruneName does

---
 src/claimtrie.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/claimtrie.cpp b/src/claimtrie.cpp
index 2560610b6..9f7335d8f 100644
--- a/src/claimtrie.cpp
+++ b/src/claimtrie.cpp
@@ -1428,6 +1428,9 @@ bool CClaimTrieCache::removeClaimFromTrie(const std::string& name, const COutPoi
 
 bool CClaimTrieCache::recursivePruneName(CClaimTrieNode* tnCurrent, unsigned int nPos, std::string sName, bool* pfNullified) const
 {
+    // Recursively prune leaf node(s) without any claims in it and store
+    // the modified nodes in the cache
+
     bool fNullified = false;
     std::string sCurrentSubstring = sName.substr(0, nPos);
     if (nPos < sName.size())