1 files changed, 51 insertions, 0 deletions
diff --git a/core/rawdb/accessors_core_block.go b/core/rawdb/accessors_core_block.go
new file mode 100644
index 000000000..5fa5c8f86
--- /dev/null
+++ b/core/rawdb/accessors_core_block.go
@@ -0,0 +1,51 @@
+package rawdb
+
+import (
+	"bytes"
+
+	coreTypes "github.com/dexon-foundation/dexon-consensus/core/types"
+
+	"github.com/dexon-foundation/dexon/common"
+	"github.com/dexon-foundation/dexon/log"
+	"github.com/dexon-foundation/dexon/rlp"
+)
+
+func ReadCoreBlockRLP(db DatabaseReader, hash common.Hash) rlp.RawValue {
+	data, _ := db.Get(coreBlockKey(hash))
+	return data
+}
+
+func WriteCoreBlockRLP(db DatabaseWriter, hash common.Hash, rlp rlp.RawValue) {
+	if err := db.Put(coreBlockKey(hash), rlp); err != nil {
+		log.Crit("Failed to store core block", "err", err)
+	}
+}
+
+func HasCoreBlock(db DatabaseReader, hash common.Hash) bool {
+	if has, err := db.Has(coreBlockKey(hash)); !has || err != nil {
+		return false
+	}
+	return true
+}
+
+func ReadCoreBlock(db DatabaseReader, hash common.Hash) *coreTypes.Block {
+	data := ReadCoreBlockRLP(db, hash)
+	if len(data) == 0 {
+		return nil
+	}
+
+	block := new(coreTypes.Block)
+	if err := rlp.Decode(bytes.NewReader(data), block); err != nil {
+		log.Error("Invalid core block RLP", "hash", hash, "err", err)
+		return nil
+	}
+	return block
+}
+
+func WriteCoreBlock(db DatabaseWriter, hash common.Hash, block *coreTypes.Block) {
+	data, err := rlp.EncodeToBytes(block)
+	if err != nil {
+		log.Crit("Failed to RLP encode core block", "err", err)
+	}
+	WriteCoreBlockRLP(db, hash, data)
+}