From 7ab87f9f6e3c3032d2d171c402286d7e92e3b98c Mon Sep 17 00:00:00 2001
From: obscuren <geffobscura@gmail.com>
Date: Fri, 5 Jun 2015 14:07:49 +0200
Subject: wip
---
core/chain_manager.go | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/core/chain_manager.go b/core/chain_manager.go
index d14a19fea..86d1c1454 100644
--- a/core/chain_manager.go
+++ b/core/chain_manager.go
@@ -30,8 +30,9 @@ var (
)
const (
- blockCacheLimit = 10000
- maxFutureBlocks = 256
+ blockCacheLimit = 10000
+ maxFutureBlocks = 256
+ maxTimeFutureBlocks = 30
)
func CalcDifficulty(block, parent *types.Header) *big.Int {
@@ -579,6 +580,13 @@ func (self *ChainManager) InsertChain(chain types.Blocks) (int, error) {
}
if err == BlockFutureErr {
+ // Allow up to MaxFuture second in the future blocks. If this limit
+ // is exceeded the chain is discarded and processed at a later time
+ // if given.
+ if max := time.Now().Unix() + maxTimeFutureBlocks; block.Time() > max {
+ return i, fmt.Errorf("%v: BlockFutureErr, %v > %v", BlockFutureErr, block.Time(), max)
+ }
+
block.SetQueued(true)
self.futureBlocks.Push(block)
stats.queued++
--
cgit v1.2.3