Validate block timestamps

Reject blocks with timestamp too far in the future Backport from BitShares: bitshares/bitshares-core#17
PBSA · Jun 4, 2017 · 83f9e46 · 83f9e46
1 parent 4a75af7
commit 83f9e46
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/libraries/app/application.cpp b/libraries/app/application.cpp
@@ -493,6 +493,7 @@ namespace detail {
       { try {
 
          auto latency = graphene::time::now() - blk_msg.block.timestamp;
+         FC_ASSERT( (latency.count()/1000) > -5000, "Rejecting block with timestamp in the future" );
          if (!sync_mode || blk_msg.block.block_num() % 10000 == 0)
          {
             const auto& witness = blk_msg.block.witness(*_chain_db);