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

47 lines
1.5 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 price_feeds
import (
"encoding/json"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/core/types"
"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
)
type PriceFeedConverter struct{}
func (converter PriceFeedConverter) ToModels(ethLogs []types.Log) ([]interface{}, error) {
var results []interface{}
for _, log := range ethLogs {
raw, err := json.Marshal(log)
if err != nil {
return nil, err
}
model := PriceFeedModel{
BlockNumber: log.BlockNumber,
MedianizerAddress: log.Address.String(),
UsdValue: shared.ConvertToWad(hexutil.Encode(log.Data)),
LogIndex: log.Index,
TransactionIndex: log.TxIndex,
Raw: raw,
}
results = append(results, model)
}
return results, nil
}