try to fix network issue (#456)

* try to fix network issue

* try fix bug

* try fix

diff --git a/netsync/chainmgr/fast_sync.go b/netsync/chainmgr/fast_sync.go
index 5565987..f9e3fb6 100644 (file)
--- a/netsync/chainmgr/fast_sync.go
+++ b/netsync/chainmgr/fast_sync.go
@@ -152,7 +152,7 @@ func (fs *fastSync) process() error {
 // sync length cannot be greater than maxFastSyncBlocksNum.
 func (fs *fastSync) findSyncRange() (*types.Block, error) {
        bestHeight := fs.chain.BestBlockHeight()
-       length := fs.mainSyncPeer.IrreversibleHeight() - fastSyncPivotGap - bestHeight
+       length := fs.mainSyncPeer.Height() - fastSyncPivotGap - bestHeight
        if length > maxNumOfBlocksPerSync {
                length = maxNumOfBlocksPerSync
        }