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)
}