1 files changed, 50 insertions, 0 deletions
diff --git a/vendor/github.com/dexon-foundation/dexon-consensus/core/round-based-config.go b/vendor/github.com/dexon-foundation/dexon-consensus/core/round-based-config.go
new file mode 100644
index 000000000..580b65e1c
--- /dev/null
+++ b/vendor/github.com/dexon-foundation/dexon-consensus/core/round-based-config.go
@@ -0,0 +1,50 @@
+// Copyright 2018 The dexon-consensus Authors
+// This file is part of the dexon-consensus library.
+//
+// The dexon-consensus library is free software: you can redistribute it
+// and/or modify it under the terms of the GNU Lesser General Public License as
+// published by the Free Software Foundation, either version 3 of the License,
+// or (at your option) any later version.
+//
+// The dexon-consensus library is distributed in the hope that it will be
+// useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
+// General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the dexon-consensus library. If not, see
+// <http://www.gnu.org/licenses/>.
+
+package core
+
+import (
+	"time"
+
+	"github.com/dexon-foundation/dexon-consensus/core/types"
+)
+
+type roundBasedConfig struct {
+	roundID uint64
+	// roundBeginTime is the beginning of round, as local time.
+	roundBeginTime time.Time
+	roundInterval  time.Duration
+	// roundEndTime is a cache for begin + interval.
+	roundEndTime time.Time
+}
+
+func (config *roundBasedConfig) setupRoundBasedFields(
+	roundID uint64, cfg *types.Config) {
+	config.roundID = roundID
+	config.roundInterval = cfg.RoundInterval
+}
+
+func (config *roundBasedConfig) setRoundBeginTime(begin time.Time) {
+	config.roundBeginTime = begin
+	config.roundEndTime = begin.Add(config.roundInterval)
+}
+
+// isValidLastBlock checks if a block is a valid last block of this round.
+func (config *roundBasedConfig) isValidLastBlock(b *types.Block) bool {
+	return b.Position.Round == config.roundID &&
+		b.Timestamp.After(config.roundEndTime)
+}