tiny make up

consensus/posv/posv.go

@@ -485,7 +485,7 @@ func (c *Posv) YourTurn(chain consensus.ChainReader, parent *types.Header, signe
 		return 0, -1, -1, false, err
 	}
 	if len(masternodes) == 0 {
-		return 0, -1, -1, false, errors.New("Not found master nodes")
+		return 0, -1, -1, false, errors.New("Masternodes not found")
 	}
 	pre := common.Address{}
 	// masternode[0] has chance to create block 1

core/blockchain.go

@@ -127,9 +127,9 @@ type BlockChain struct {
 	bodyRLPCache     *lru.Cache     // Cache for the most recent block bodies in RLP encoded format
 	blockCache       *lru.Cache     // Cache for the most recent entire blocks
 	futureBlocks     *lru.Cache     // future blocks are blocks added for later processing
-	resultProcess    *lru.Cache
-	calculatingBlock *lru.Cache
-	downloadingBlock *lru.Cache
+	resultProcess    *lru.Cache		// Cache for processed blocks
+	calculatingBlock *lru.Cache		// Cache for processing blocks
+	downloadingBlock *lru.Cache		// Cache for downloading blocks (avoid duplication from fetcher)
 	quit             chan struct{} // blockchain quit channel
 	running          int32         // running must be called atomically
 	// procInterrupt must be atomically called

core/error.go

@@ -37,5 +37,5 @@ var (
 
 	ErrNotFoundM1 = errors.New("list M1 not found ")
 
-	ErrStopPreparingBlock = errors.New("stop calculate a block not vrified M2")
+	ErrStopPreparingBlock = errors.New("stop calculating a block not verified by M2")
 )