Protect from null ptr on chain tip

2018-07-14 21:45:38 -07:00
parent 7756dac0c7
commit 37ad688668
4 changed files with 43 additions and 26 deletions
--- a/src/coins.cpp
+++ b/src/coins.cpp
@@ -253,7 +253,16 @@ bool CCoinsViewCache::HaveCoins(const uint256 &txid) const {

 uint256 CCoinsViewCache::GetBestBlock() const {
    if (hashBlock.IsNull())
-        hashBlock = base->GetBestBlock();
+    {
+        if (base)
+        {
+            hashBlock = base->GetBestBlock();
+        }
+        else
+        {
+            hashBlock = uint256();
+        }
+    }
    return hashBlock;
 }