ipld-eth-server/pkg/transformers/price_feeds/converter.go
2018-10-26 11:25:16 -05:00

44 lines
1.3 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 price_feeds
import (
"encoding/json"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/core/types"
)
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: Convert("wad", hexutil.Encode(log.Data), 15),
LogIndex: log.Index,
TransactionIndex: log.TxIndex,
Raw: raw,
}
results = append(results, model)
}
return results, nil
}