82 lines
2.5 KiB
Go
82 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 frob
|
|
|
|
import (
|
|
"encoding/json"
|
|
"fmt"
|
|
"github.com/ethereum/go-ethereum/accounts/abi/bind"
|
|
"github.com/ethereum/go-ethereum/core/types"
|
|
"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
|
|
|
|
"github.com/vulcanize/vulcanizedb/pkg/geth"
|
|
)
|
|
|
|
type FrobConverter struct{}
|
|
|
|
func (FrobConverter) ToEntities(contractAbi string, ethLogs []types.Log) ([]interface{}, error) {
|
|
var entities []interface{}
|
|
for _, ethLog := range ethLogs {
|
|
entity := FrobEntity{}
|
|
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, "Frob", ethLog)
|
|
if err != nil {
|
|
return entities, err
|
|
}
|
|
entity.LogIndex = ethLog.Index
|
|
entity.TransactionIndex = ethLog.TxIndex
|
|
entity.Raw = ethLog
|
|
entities = append(entities, entity)
|
|
}
|
|
|
|
return entities, nil
|
|
}
|
|
|
|
func (FrobConverter) ToModels(entities []interface{}) ([]interface{}, error) {
|
|
var models []interface{}
|
|
for _, entity := range entities {
|
|
frobEntity, ok := entity.(FrobEntity)
|
|
if !ok {
|
|
return nil, fmt.Errorf("entity of type %T, not %T", entity, FrobEntity{})
|
|
}
|
|
|
|
rawLog, err := json.Marshal(frobEntity.Raw)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
model := FrobModel{
|
|
Ilk: shared.GetHexWithoutPrefix(frobEntity.Ilk[:]),
|
|
Urn: shared.GetHexWithoutPrefix(frobEntity.Urn[:]),
|
|
Ink: frobEntity.Ink.String(),
|
|
Art: frobEntity.Art.String(),
|
|
Dink: frobEntity.Dink.String(),
|
|
Dart: frobEntity.Dart.String(),
|
|
IArt: frobEntity.IArt.String(),
|
|
LogIndex: frobEntity.LogIndex,
|
|
TransactionIndex: frobEntity.TransactionIndex,
|
|
Raw: rawLog,
|
|
}
|
|
models = append(models, model)
|
|
}
|
|
return models, nil
|
|
}
|