forked from cerc-io/ipld-eth-server
bf44ec614a
* Log checked headers for Bite events * Log checked headers for Drip drip events * Log checked headers for Drip file events - mark headers checked for 3 implementations of file on the Drip contract * Log checked headers for Frob frob events * Log checked headers for Pit file events - mark headers checked for 3 implementations of file on the Pit contract * Log checked headers for Vat init events
61 lines
1.6 KiB
Go
61 lines
1.6 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 repo
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/json"
|
|
"errors"
|
|
"github.com/ethereum/go-ethereum/core/types"
|
|
"math/big"
|
|
)
|
|
|
|
type Converter interface {
|
|
ToModels(ethLogs []types.Log) ([]DripFileRepoModel, error)
|
|
}
|
|
|
|
type DripFileRepoConverter struct{}
|
|
|
|
func (DripFileRepoConverter) ToModels(ethLogs []types.Log) ([]DripFileRepoModel, error) {
|
|
var models []DripFileRepoModel
|
|
for _, ethLog := range ethLogs {
|
|
err := verifyLog(ethLog)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
what := string(bytes.Trim(ethLog.Topics[2].Bytes(), "\x00"))
|
|
data := big.NewInt(0).SetBytes(ethLog.Topics[3].Bytes()).String()
|
|
raw, err := json.Marshal(ethLog)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
model := DripFileRepoModel{
|
|
What: what,
|
|
Data: data,
|
|
TransactionIndex: ethLog.TxIndex,
|
|
Raw: raw,
|
|
}
|
|
models = append(models, model)
|
|
}
|
|
return models, nil
|
|
}
|
|
|
|
func verifyLog(log types.Log) error {
|
|
if len(log.Topics) < 4 {
|
|
return errors.New("log missing topics")
|
|
}
|
|
return nil
|
|
}
|