Add a regular sync maximum block limit (#287)

[bytom/vapor.git] / netsync / chainmgr / block_keeper.go

diff --git a/netsync/chainmgr/block_keeper.go b/netsync/chainmgr/block_keeper.go
index 43f8521..b810a1a 100644 (file)
--- a/netsync/chainmgr/block_keeper.go
+++ b/netsync/chainmgr/block_keeper.go
@@ -22,8 +22,9 @@ const (
 )
 
 var (
-       maxNumOfBlocksPerMsg  = uint64(1000)
-       maxNumOfHeadersPerMsg = uint64(1000)
+       maxNumOfBlocksPerMsg      = uint64(1000)
+       maxNumOfHeadersPerMsg     = uint64(1000)
+       maxNumOfBlocksRegularSync = uint64(128)
 )
 
 type FastSync interface {
@@ -156,8 +157,13 @@ func (bk *blockKeeper) processHeaders(peerID string, headers []*types.BlockHeade
 func (bk *blockKeeper) regularBlockSync() error {
        peerHeight := bk.syncPeer.Height()
        bestHeight := bk.chain.BestBlockHeight()
+       targetHeight := bestHeight + maxNumOfBlocksRegularSync
+       if targetHeight > peerHeight {
+               targetHeight = peerHeight
+       }
+
        i := bestHeight + 1
-       for i <= peerHeight {
+       for i <= targetHeight {
                block, err := bk.msgFetcher.requireBlock(bk.syncPeer.ID(), i)
                if err != nil {
                        bk.peers.ProcessIllegal(bk.syncPeer.ID(), security.LevelConnException, err.Error())