GH-135 Verify lock timestamp before update

AntelopeIO · Jun 7, 2024 · 7b0ed77 · 7b0ed77
1 parent 456ae2c
commit 7b0ed77
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/libraries/chain/finality/finalizer.cpp b/libraries/chain/finality/finalizer.cpp
@@ -89,7 +89,7 @@ finalizer::vote_result finalizer::decide_vote(const block_state_ptr& bsp) {
 // finalizer has voted strong on bsp, update finalizer safety info if more recent than the current lock
 bool finalizer::maybe_update_fsi(const block_state_ptr& bsp) {
    auto& final_on_strong_qc_block_ref = bsp->core.get_block_reference(bsp->core.final_on_strong_qc_block_num);
-   if (final_on_strong_qc_block_ref.timestamp > fsi.lock.timestamp) {
+   if (final_on_strong_qc_block_ref.timestamp > fsi.lock.timestamp && bsp->timestamp() > fsi.last_vote.timestamp) {
       fsi.lock = { final_on_strong_qc_block_ref.block_id, final_on_strong_qc_block_ref.timestamp };
       fsi.last_vote             = { bsp->id(), bsp->timestamp() };
       fsi.last_vote_range_start = bsp->core.latest_qc_block_timestamp();