ipld-eth-server/libraries/shared/factories/log_note_transformer.go
2019-03-13 11:42:30 -05:00

74 lines
2.2 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 factories
import (
"github.com/ethereum/go-ethereum/core/types"
log "github.com/sirupsen/logrus"
"github.com/vulcanize/vulcanizedb/libraries/shared/constants"
"github.com/vulcanize/vulcanizedb/libraries/shared/transformer"
"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
)
type LogNoteTransformer struct {
Config transformer.TransformerConfig
Converter LogNoteConverter
Repository Repository
}
func (tr LogNoteTransformer) NewLogNoteTransformer(db *postgres.DB) transformer.EventTransformer {
tr.Repository.SetDB(db)
return tr
}
func (tr LogNoteTransformer) Execute(logs []types.Log, header core.Header, recheckedHeader constants.TransformerExecution) error {
transformerName := tr.Config.TransformerName
// No matching logs, mark the header as checked for this type of logs
if len(logs) < 1 {
err := tr.Repository.MarkHeaderChecked(header.Id)
if err != nil {
log.Printf("Error marking header as checked in %v: %v", transformerName, err)
return err
}
return nil
}
models, err := tr.Converter.ToModels(logs)
if err != nil {
log.Printf("Error converting logs in %v: %v", transformerName, err)
return err
}
err = tr.Repository.Create(header.Id, models)
if err != nil {
log.Printf("Error persisting %v record: %v", transformerName, err)
return err
}
return nil
}
func (tr LogNoteTransformer) GetName() string {
return tr.Config.TransformerName
}
func (tr LogNoteTransformer) GetConfig() transformer.TransformerConfig {
return tr.Config
}