Chain::SetTip return type to void

src/chain.cpp

@@ -9,17 +9,16 @@ using namespace std;
 
 // CChain implementation
 
-CBlockIndex *CChain::SetTip(CBlockIndex *pindex) {
+void CChain::SetTip(CBlockIndex *pindex) {
     if (pindex == NULL) {
         vChain.clear();
-        return NULL;
+        return;
     }
     vChain.resize(pindex->nHeight + 1);
     while (pindex && vChain[pindex->nHeight] != pindex) {
         vChain[pindex->nHeight] = pindex;
         pindex = pindex->pprev;
     }
-    return pindex;
 }
 
 CBlockLocator CChain::GetLocator(const CBlockIndex *pindex) const {

src/chain.h

@@ -395,8 +395,8 @@ public:
         return vChain.size() - 1;
     }
 
-    /** Set/initialize a chain with a given tip. Returns the forking point. */
+    /** Set/initialize a chain with a given tip. */
-    CBlockIndex *SetTip(CBlockIndex *pindex);
+    void SetTip(CBlockIndex *pindex);
 
     /** Return a CBlockLocator that refers to a block in this chain (by default the tip). */
     CBlockLocator GetLocator(const CBlockIndex *pindex = NULL) const;