Initial implementation of DEXON consensus algorithm

1 files changed, 50 insertions, 0 deletions

diff --git a/simulation/app.go b/simulation/app.go
new file mode 100644
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+++ b/simulation/app.go
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+// Copyright 2018 The dexon-consensus-core Authors
+// This file is part of the dexon-consensus-core library.
+//
+// The dexon-consensus-core 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-core 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-core library. If not, see
+// <http://www.gnu.org/licenses/>.
+
+package simulation
+
+import (
+	"fmt"
+
+	"github.com/dexon-foundation/dexon-consensus-core/core/types"
+)
+
+// SimApp is an DEXON app for simulation.
+type SimApp struct {
+	ValidatorID types.ValidatorID
+	Outputs     []*types.Block
+	Early       bool
+}
+
+// NewSimApp returns point to a new instance of SimApp.
+func NewSimApp(id types.ValidatorID) *SimApp {
+	return &SimApp{
+		ValidatorID: id,
+	}
+}
+
+// ValidateBlock validates a given block.
+func (a *SimApp) ValidateBlock(b *types.Block) bool {
+	return true
+}
+
+// Deliver is called when blocks are delivered by the total ordering algorithm.
+func (a *SimApp) Deliver(blocks []*types.Block, early bool) {
+	a.Outputs = blocks
+	a.Early = early
+	fmt.Println("OUTPUT", a.ValidatorID, a.Early, a.Outputs)
+}