ipld-eth-server/pkg/transformers/flip_kick/converter.go

85 lines
2.4 KiB
Go
Raw Normal View History

2018-08-07 15:51:34 +00:00
// 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 flip_kick
2018-08-07 15:51:34 +00:00
import (
2018-08-16 21:36:35 +00:00
"encoding/json"
"errors"
"time"
2018-08-07 15:51:34 +00:00
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
2018-08-07 15:51:34 +00:00
"github.com/vulcanize/vulcanizedb/pkg/geth"
2018-08-16 21:36:35 +00:00
"github.com/vulcanize/vulcanizedb/pkg/transformers/utilities"
2018-08-07 15:51:34 +00:00
)
type Converter interface {
ToEntity(contractAddress string, contractAbi string, ethLog types.Log) (*FlipKickEntity, error)
ToModel(flipKick FlipKickEntity) (FlipKickModel, error)
}
type FlipKickConverter struct{}
func (FlipKickConverter) ToEntity(contractAddress string, contractAbi string, ethLog types.Log) (*FlipKickEntity, error) {
entity := &FlipKickEntity{}
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, "Kick", ethLog)
2018-08-07 15:51:34 +00:00
if err != nil {
return entity, err
}
2018-08-16 21:36:35 +00:00
entity.Raw = ethLog
2018-08-07 15:51:34 +00:00
return entity, nil
}
func (FlipKickConverter) ToModel(flipKick FlipKickEntity) (FlipKickModel, error) {
if flipKick.Id == nil {
return FlipKickModel{}, errors.New("FlipKick log ID cannot be nil.")
}
id := flipKick.Id.String()
2018-08-16 21:36:35 +00:00
lot := utilities.ConvertNilToEmptyString(flipKick.Lot.String())
bid := utilities.ConvertNilToEmptyString(flipKick.Bid.String())
gal := flipKick.Gal.String()
2018-08-16 21:36:35 +00:00
endValue := utilities.ConvertNilToZeroTimeValue(flipKick.End)
2018-08-07 15:51:34 +00:00
end := time.Unix(endValue, 0)
urn := common.BytesToAddress(flipKick.Urn[:common.AddressLength]).String()
2018-08-16 21:36:35 +00:00
tab := utilities.ConvertNilToEmptyString(flipKick.Tab.String())
rawLogJson, err := json.Marshal(flipKick.Raw)
if err != nil {
return FlipKickModel{}, err
}
rawLogString := string(rawLogJson)
2018-08-07 15:51:34 +00:00
return FlipKickModel{
Id: id,
Lot: lot,
Bid: bid,
Gal: gal,
End: end,
Urn: urn,
2018-08-07 15:51:34 +00:00
Tab: tab,
2018-08-16 21:36:35 +00:00
Raw: rawLogString,
2018-08-07 15:51:34 +00:00
}, nil
}