77 lines
2.3 KiB
Go
77 lines
2.3 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 tend
|
||
|
|
|
||
|
|
import (
|
||
|
|
"encoding/json"
|
||
|
|
"errors"
|
||
|
|
"time"
|
||
|
|
|
||
|
|
"github.com/ethereum/go-ethereum/accounts/abi/bind"
|
||
|
|
"github.com/ethereum/go-ethereum/common"
|
||
|
|
"github.com/ethereum/go-ethereum/core/types"
|
||
|
|
|
||
|
|
"github.com/vulcanize/vulcanizedb/pkg/geth"
|
||
|
|
"github.com/vulcanize/vulcanizedb/pkg/transformers/utilities"
|
||
|
|
)
|
||
|
|
|
||
|
|
type Converter interface {
|
||
|
|
ToEntity(contractAddress string, contractAbi string, ethLog types.Log) (TendEntity, error)
|
||
|
|
ToModel(entity TendEntity) (TendModel, error)
|
||
|
|
}
|
||
|
|
|
||
|
|
type TendConverter struct{}
|
||
|
|
|
||
|
|
func (c TendConverter) ToEntity(contractAddress string, contractAbi string, ethLog types.Log) (TendEntity, error) {
|
||
|
|
entity := TendEntity{}
|
||
|
|
address := common.HexToAddress(contractAddress)
|
||
|
|
abi, err := geth.ParseAbi(contractAbi)
|
||
|
|
|
||
|
|
if err != nil {
|
||
|
|
return entity, err
|
||
|
|
}
|
||
|
|
|
||
|
|
contract := bind.NewBoundContract(address, abi, nil, nil, nil)
|
||
|
|
err = contract.UnpackLog(&entity, "Tend", ethLog)
|
||
|
|
if err != nil {
|
||
|
|
return entity, err
|
||
|
|
}
|
||
|
|
entity.TransactionIndex = ethLog.TxIndex
|
||
|
|
entity.Raw = ethLog
|
||
|
|
return entity, nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func (c TendConverter) ToModel(entity TendEntity) (TendModel, error) {
|
||
|
|
if entity.Id == nil {
|
||
|
|
return TendModel{}, errors.New("Tend log ID cannot be nil.")
|
||
|
|
}
|
||
|
|
|
||
|
|
rawJson, err := json.Marshal(entity.Raw)
|
||
|
|
if err != nil {
|
||
|
|
return TendModel{}, err
|
||
|
|
}
|
||
|
|
era := utilities.ConvertNilToZeroTimeValue(entity.Era)
|
||
|
|
return TendModel{
|
||
|
|
Id: utilities.ConvertNilToEmptyString(entity.Id.String()),
|
||
|
|
Lot: utilities.ConvertNilToEmptyString(entity.Lot.String()),
|
||
|
|
Bid: utilities.ConvertNilToEmptyString(entity.Bid.String()),
|
||
|
|
Guy: entity.Guy[:],
|
||
|
|
Tic: utilities.ConvertNilToEmptyString(entity.Tic.String()),
|
||
|
|
Era: time.Unix(era, 0),
|
||
|
|
TransactionIndex: entity.TransactionIndex,
|
||
|
|
Raw: string(rawJson),
|
||
|
|
}, nil
|
||
|
|
}
|