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