806 improve consensus speed

db/BlockProposalDB.cpp

@@ -84,8 +84,10 @@ void BlockProposalDB::addBlockProposal( const ptr< BlockProposal > _proposal ) {
     // save own proposal to levelDB
     if ( _proposal->getProposerIndex() == getSchain()->getSchainIndex() ) {
 
-        // for optimized consensus only the winner of the previous similar round will send the proposal
-        // to the network. Therefor we
+        // for optimized consensus only previous winner proposed.
+        // non-winners skip sending proposal and do not need to save it to the db
+        // since saving proposal to the db is done to be able to resend it in case of a
+        // crash
         if (getSchain()->getOptimizerAgent()->skipSendingProposalToTheNetwork(_proposal->getBlockID()))
                 return;
 

monitoring/OptimizerAgent.cpp

@@ -67,8 +67,8 @@ schain_index OptimizerAgent::getLastWinner(block_id _blockId) {
 }
 
 schain_index OptimizerAgent::skipSendingProposalToTheNetwork(block_id _blockId) {
-    // node skips sending proposal if the current block consensus
-    // is optimized consensus and if node chain index is not equal to the last winner
+    // whe we run optimized consensus a node skips sending proposal to the network
+    // if node chain index is not equal to the last winner
     return (getSchain()->getOptimizerAgent()->doOptimizedConsensus(_blockId) &&
         (getSchain()->getOptimizerAgent()->getLastWinner(_blockId) != getSchain()->getSchainIndex()));
 }