1 files changed, 44 insertions, 0 deletions
diff --git a/core/rawdb/accessors_core_dkg_protocol.go b/core/rawdb/accessors_core_dkg_protocol.go
new file mode 100644
index 000000000..ba087b00d
--- /dev/null
+++ b/core/rawdb/accessors_core_dkg_protocol.go
@@ -0,0 +1,44 @@
+package rawdb
+
+import (
+	"bytes"
+
+	coreDb "github.com/dexon-foundation/dexon-consensus/core/db"
+	"github.com/dexon-foundation/dexon/log"
+	"github.com/dexon-foundation/dexon/rlp"
+)
+
+func ReadCoreDKGProtocolRLP(db DatabaseReader) rlp.RawValue {
+	data, _ := db.Get(coreDKGProtocolKey)
+	return data
+}
+
+func WriteCoreDKGProtocolRLP(db DatabaseWriter, rlp rlp.RawValue) error {
+	err := db.Put(coreDKGProtocolKey, rlp)
+	if err != nil {
+		log.Crit("Failed to store core DKG private key", "err", err)
+	}
+	return err
+}
+
+func ReadCoreDKGProtocol(db DatabaseReader) *coreDb.DKGProtocolInfo {
+	data := ReadCoreDKGProtocolRLP(db)
+	if len(data) == 0 {
+		return nil
+	}
+	protocol := new(coreDb.DKGProtocolInfo)
+	if err := rlp.Decode(bytes.NewReader(data), protocol); err != nil {
+		log.Error("Invalid core DKG protocol RLP", "err", err)
+		return nil
+	}
+	return protocol
+}
+
+func WriteCoreDKGProtocol(db DatabaseWriter, protocol *coreDb.DKGProtocolInfo) error {
+	data, err := rlp.EncodeToBytes(protocol)
+	if err != nil {
+		log.Crit("Failed to RLP encode core DKG protocol", "err", err)
+		return err
+	}
+	return WriteCoreDKGProtocolRLP(db, data)
+}