package level import ( "github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/core/types" ) type LevelDatabase struct { reader Reader } func NewLevelDatabase(ldbReader Reader) *LevelDatabase { return &LevelDatabase{ reader: ldbReader, } } func (l LevelDatabase) GetBlock(blockHash []byte, blockNumber int64) *types.Block { n := uint64(blockNumber) h := common.BytesToHash(blockHash) return l.reader.GetBlock(h, n) } func (l LevelDatabase) GetBlockHash(blockNumber int64) []byte { n := uint64(blockNumber) h := l.reader.GetCanonicalHash(n) return h.Bytes() } func (l LevelDatabase) GetBlockReceipts(blockHash []byte, blockNumber int64) types.Receipts { n := uint64(blockNumber) h := common.BytesToHash(blockHash) return l.reader.GetBlockReceipts(h, n) } func (l LevelDatabase) GetHeadBlockNumber() int64 { h := l.reader.GetHeadBlockHash() n := l.reader.GetBlockNumber(h) return int64(n) }