From 7ab87f9f6e3c3032d2d171c402286d7e92e3b98c Mon Sep 17 00:00:00 2001 From: obscuren Date: Fri, 5 Jun 2015 14:07:49 +0200 Subject: [PATCH] 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 d14a19fea0..86d1c14547 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++