dex: implement recovery mechanism (#258)

* dex: implement recovery mechanism

The DEXON recovery protocol allows us to use the Ethereum blockchain as a
fallback consensus chain to coordinate recovery.

* fix

1 files changed, 43 insertions, 0 deletions

diff --git a/dex/recovery_test.go b/dex/recovery_test.go
new file mode 100644
index 000000000..8c039db35
--- /dev/null
+++ b/dex/recovery_test.go
@@ -0,0 +1,43 @@
+// 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 dex
+
+import (
+	"testing"
+
+	"github.com/dexon-foundation/dexon/common"
+	"github.com/dexon-foundation/dexon/crypto"
+	"github.com/dexon-foundation/dexon/params"
+)
+
+func TestRecoveryVoteTxGeneration(t *testing.T) {
+	key, err := crypto.GenerateKey()
+	if err != nil {
+		t.Fatalf("failed to generate keypair: %v", err)
+	}
+
+	r := NewRecovery(&params.RecoveryConfig{
+		Contract:     common.HexToAddress("f675c0e9bf4b949f50dcec5b224a70f0361d4680"),
+		Timeout:      30,
+		Confirmation: 1,
+	}, "https://rinkeby.infura.io", nil, key)
+	_, err = r.genVoteForSkipBlockTx(0)
+	if err != nil {
+		t.Fatalf("failed to generate voteForSkipBlock tx: %v", err)
+	}
+}