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-rw-r--r--src/validation.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/validation.cpp b/src/validation.cpp
index cbbc857fdc..958c187220 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -264,7 +264,8 @@ CBlockIndex* FindForkInGlobalIndex(const CChain& chain, const CBlockLocator& loc
{
AssertLockHeld(cs_main);
- // Find the first block the caller has in the main chain
+ // Find the latest block common to locator and chain - we expect that
+ // locator.vHave is sorted descending by height.
for (const uint256& hash : locator.vHave) {
CBlockIndex* pindex = LookupBlockIndex(hash);
if (pindex) {