ipld-eth-server/pkg/transformers/factories/log_note_transformer.go

62 lines
1.8 KiB
Go

// Copyright 2018 Vulcanize
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package factories
import (
"github.com/ethereum/go-ethereum/core/types"
log "github.com/sirupsen/logrus"
"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
)
type LogNoteTransformer struct {
Config shared.TransformerConfig
Converter LogNoteConverter
Repository Repository
}
func (transformer LogNoteTransformer) NewLogNoteTransformer(db *postgres.DB) shared.Transformer {
transformer.Repository.SetDB(db)
return transformer
}
func (transformer LogNoteTransformer) Execute(logs []types.Log, header core.Header) error {
transformerName := transformer.Config.TransformerName
// No matching logs, mark the header as checked for this type of logs
if len(logs) < 1 {
err := transformer.Repository.MarkHeaderChecked(header.Id)
if err != nil {
log.Printf("Error marking header as checked in %v: %v", transformerName, err)
return err
}
}
models, err := transformer.Converter.ToModels(logs)
if err != nil {
log.Printf("Error converting logs in %v: %v", transformerName, err)
return err
}
err = transformer.Repository.Create(header.Id, models)
if err != nil {
log.Printf("Error persisting %v record: %v", transformerName, err)
return err
}
return nil
}