1 files changed, 44 insertions, 0 deletions
diff --git a/core/rawdb/accessors_core_dkg_master_private_shares.go b/core/rawdb/accessors_core_dkg_master_private_shares.go
new file mode 100644
index 000000000..23b37f361
--- /dev/null
+++ b/core/rawdb/accessors_core_dkg_master_private_shares.go
@@ -0,0 +1,44 @@
+package rawdb
+
+import (
+	"bytes"
+
+	coreDKG "github.com/dexon-foundation/dexon-consensus/core/crypto/dkg"
+	"github.com/dexon-foundation/dexon/log"
+	"github.com/dexon-foundation/dexon/rlp"
+)
+
+func ReadCoreDKGMasterPrivateSharesRLP(db DatabaseReader, round uint64) rlp.RawValue {
+	data, _ := db.Get(coreDKGMasterPrivateSharesKey(round))
+	return data
+}
+
+func WriteCoreDKGMasterPrivateSharesRLP(db DatabaseWriter, round uint64, rlp rlp.RawValue) error {
+	err := db.Put(coreDKGMasterPrivateSharesKey(round), rlp)
+	if err != nil {
+		log.Crit("Failed to store core DKG private key", "err", err, "round", round)
+	}
+	return err
+}
+
+func ReadCoreDKGMasterPrivateShares(db DatabaseReader, round uint64) *coreDKG.PrivateKeyShares {
+	data := ReadCoreDKGMasterPrivateSharesRLP(db, round)
+	if len(data) == 0 {
+		return nil
+	}
+	shares := new(coreDKG.PrivateKeyShares)
+	if err := rlp.Decode(bytes.NewReader(data), shares); err != nil {
+		log.Error("Invalid core DKG master private shares RLP", "round", round, "err", err)
+		return nil
+	}
+	return shares
+}
+
+func WriteCoreDKGMasterPrivateShares(db DatabaseWriter, round uint64, shares *coreDKG.PrivateKeyShares) error {
+	data, err := rlp.EncodeToBytes(shares)
+	if err != nil {
+		log.Crit("Failed to RLP encode core DKG master private shares", "round", round, "err", err)
+		return err
+	}
+	return WriteCoreDKGMasterPrivateSharesRLP(db, round, data)
+}