diff options
-rw-r--r-- | eth/handler.go | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/eth/handler.go b/eth/handler.go index 2bd369901..5d233dd96 100644 --- a/eth/handler.go +++ b/eth/handler.go @@ -413,10 +413,12 @@ func (pm *ProtocolManager) handleMsg(p *peer) error { pm.fetcher.Enqueue(p.id, request.Block) - // TODO: Schedule a sync to cover potential gaps (this needs proto update) + // Update the peers total difficulty if needed, schedule a download if gapped if request.TD.Cmp(p.Td()) > 0 { p.SetTd(request.TD) - go pm.synchronise(p) + if request.TD.Cmp(new(big.Int).Add(pm.chainman.Td(), request.Block.Difficulty())) > 0 { + go pm.synchronise(p) + } } case TxMsg: |