[MOVEONLY] Move LastCommonAncestor to chain

1 files changed, 0 insertions, 19 deletions

diff --git a/src/net_processing.cpp b/src/net_processing.cpp
index 8fc6f6f95e..4d832f3711 100644
--- a/src/net_processing.cpp
+++ b/src/net_processing.cpp
@@ -452,25 +452,6 @@ bool PeerHasHeader(CNodeState *state, const CBlockIndex *pindex)
     return false;
 }
 
-/** Find the last common ancestor two blocks have.
- *  Both pa and pb must be non-NULL. */
-const CBlockIndex* LastCommonAncestor(const CBlockIndex* pa, const CBlockIndex* pb) {
-    if (pa->nHeight > pb->nHeight) {
-        pa = pa->GetAncestor(pb->nHeight);
-    } else if (pb->nHeight > pa->nHeight) {
-        pb = pb->GetAncestor(pa->nHeight);
-    }
-
-    while (pa != pb && pa && pb) {
-        pa = pa->pprev;
-        pb = pb->pprev;
-    }
-
-    // Eventually all chain branches meet at the genesis block.
-    assert(pa == pb);
-    return pa;
-}
-
 /** Update pindexLastCommonBlock and add not-in-flight missing successors to vBlocks, until it has
  *  at most count entries. */
 void FindNextBlocksToDownload(NodeId nodeid, unsigned int count, std::vector<const CBlockIndex*>& vBlocks, NodeId& nodeStaller, const Consensus::Params& consensusParams) {