forked from cerc-io/ipld-eth-server
51 lines
1.6 KiB
Go
51 lines
1.6 KiB
Go
// VulcanizeDB
|
|
// Copyright © 2019 Vulcanize
|
|
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Affero General Public License for more details.
|
|
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package ethereum
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/ethereum/go-ethereum/core/rawdb"
|
|
"github.com/sirupsen/logrus"
|
|
|
|
"github.com/ethereum/go-ethereum/core/types"
|
|
"github.com/vulcanize/vulcanizedb/pkg/datastore/ethereum/level"
|
|
)
|
|
|
|
type Database interface {
|
|
GetBlock(hash []byte, blockNumber int64) *types.Block
|
|
GetBlockHash(blockNumber int64) []byte
|
|
GetBlockReceipts(blockHash []byte, blockNumber int64) types.Receipts
|
|
GetHeadBlockNumber() int64
|
|
}
|
|
|
|
func CreateDatabase(config DatabaseConfig) (Database, error) {
|
|
switch config.Type {
|
|
case Level:
|
|
levelDBConnection, err := rawdb.NewLevelDBDatabase(config.Path, 128, 1024, "vdb")
|
|
if err != nil {
|
|
logrus.Error("CreateDatabase: error connecting to new LDBD: ", err)
|
|
return nil, err
|
|
}
|
|
levelDBReader := level.NewLevelDatabaseReader(levelDBConnection)
|
|
levelDB := level.NewLevelDatabase(levelDBReader)
|
|
return levelDB, nil
|
|
default:
|
|
return nil, fmt.Errorf("Unknown ethereum database: %s", config.Path)
|
|
}
|
|
}
|