ipld-eth-server/pkg/transformers/flop_kick/converter.go
2019-01-24 14:41:30 -06:00

86 lines
2.5 KiB
Go

// VulcanizeDB
// Copyright © 2018 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 flop_kick
import (
"encoding/json"
"time"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/core/types"
"fmt"
"github.com/vulcanize/vulcanizedb/pkg/geth"
"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
)
type FlopKickConverter struct{}
func (FlopKickConverter) ToEntities(contractAbi string, ethLogs []types.Log) ([]interface{}, error) {
var results []interface{}
for _, ethLog := range ethLogs {
entity := Entity{}
address := ethLog.Address
abi, err := geth.ParseAbi(contractAbi)
if err != nil {
return nil, err
}
contract := bind.NewBoundContract(address, abi, nil, nil, nil)
err = contract.UnpackLog(&entity, "Kick", ethLog)
if err != nil {
return nil, err
}
entity.Raw = ethLog
entity.TransactionIndex = ethLog.TxIndex
entity.LogIndex = ethLog.Index
results = append(results, entity)
}
return results, nil
}
func (FlopKickConverter) ToModels(entities []interface{}) ([]interface{}, error) {
var results []interface{}
for _, entity := range entities {
flopKickEntity, ok := entity.(Entity)
if !ok {
return nil, fmt.Errorf("entity of type %T, not %T", entity, Entity{})
}
endValue := shared.BigIntToInt64(flopKickEntity.End)
rawLogJson, err := json.Marshal(flopKickEntity.Raw)
if err != nil {
return nil, err
}
model := Model{
BidId: shared.BigIntToString(flopKickEntity.Id),
Lot: shared.BigIntToString(flopKickEntity.Lot),
Bid: shared.BigIntToString(flopKickEntity.Bid),
Gal: flopKickEntity.Gal.String(),
End: time.Unix(endValue, 0),
TransactionIndex: flopKickEntity.TransactionIndex,
LogIndex: flopKickEntity.LogIndex,
Raw: rawLogJson,
}
results = append(results, model)
}
return results, nil
}