ipld-eth-server/pkg/transformers/price_feeds/converter.go
Rob Mulholand 634604d0b5 Combine price feed transformers
- fetches logs from all three price feeds in one query
- assumes eth/usd price feed will be updated to include LogValue event
- updates transformers to run separate from header sync
2018-08-16 11:22:16 -05:00

33 lines
1.1 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 (
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/core/types"
)
type PriceFeedConverter struct{}
func (converter PriceFeedConverter) ToModel(log types.Log, headerID int64) PriceFeedModel {
return PriceFeedModel{
BlockNumber: log.BlockNumber,
HeaderID: headerID,
MedianizerAddress: log.Address.Bytes(),
UsdValue: Convert("wad", hexutil.Encode(log.Data), 15),
TransactionIndex: log.TxIndex,
}
}