From 159117e720a25f18c91c087497eceaaa342b75a5 Mon Sep 17 00:00:00 2001 From: whyrusleeping Date: Sun, 15 Dec 2019 16:43:32 -0800 Subject: [PATCH] dont allow submitting blocks more than a second in the future --- build/params_shared.go | 2 +- chain/sync.go | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/build/params_shared.go b/build/params_shared.go index 97fe788d3..302629e5b 100644 --- a/build/params_shared.go +++ b/build/params_shared.go @@ -31,7 +31,7 @@ const PaymentChannelClosingDelay = 6 * 60 * 60 / BlockDelay // six hours // Consensus / Network // Seconds -const AllowableClockDrift = BlockDelay * 2 +const AllowableClockDrift = 1 // Epochs const ForkLengthThreshold = Finality diff --git a/chain/sync.go b/chain/sync.go index 2ed52cdc5..54f517fa1 100644 --- a/chain/sync.go +++ b/chain/sync.go @@ -480,7 +480,7 @@ func (syncer *Syncer) ValidateBlock(ctx context.Context, b *types.FullBlock) err } if h.Timestamp > uint64(time.Now().Unix()+build.AllowableClockDrift) { - return xerrors.Errorf("block was from the future") + return xerrors.Errorf("block was from the future: %w", ErrTemporal) } if h.Timestamp > uint64(time.Now().Unix()) { log.Warn("Got block from the future, but within threshold", h.Timestamp, time.Now().Unix())