From 97f517dd851450b1ede1eb6b20f77691883a7737 Mon Sep 17 00:00:00 2001
From: Jonas Schnelli <dev@jonasschnelli.ch>
Date: Thu, 9 May 2019 13:56:01 +0200
Subject: [PATCH] Fix RPC/pruneblockchain returned prune height

---
 src/rpc/blockchain.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp
index 49d7ae201..50c4589d9 100644
--- a/src/rpc/blockchain.cpp
+++ b/src/rpc/blockchain.cpp
@@ -1061,7 +1061,12 @@ static UniValue pruneblockchain(const JSONRPCRequest& request)
     }
 
     PruneBlockFilesManual(height);
-    return uint64_t(height);
+    const CBlockIndex* block = ::ChainActive().Tip();
+    assert(block);
+    while (block->pprev && (block->pprev->nStatus & BLOCK_HAVE_DATA)) {
+        block = block->pprev;
+    }
+    return uint64_t(block->nHeight);
 }
 
 static UniValue gettxoutsetinfo(const JSONRPCRequest& request)