ipld-eth-server/pkg/transformers/price_feeds/price_update.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

45 lines
1.2 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"
"math/big"
)
type LogValueEntity struct {
Val common.Address
}
type PriceFeedModel struct {
BlockNumber uint64 `db:"block_number"`
HeaderID int64 `db:"header_id"`
MedianizerAddress []byte `db:"medianizer_address"`
UsdValue string `db:"usd_value"`
TransactionIndex uint `db:"tx_idx"`
}
func Convert(conversion string, value string, prec int) string {
var bgflt = big.NewFloat(0.0)
bgflt.SetString(value)
switch conversion {
case "ray":
bgflt.Quo(bgflt, Ray)
case "wad":
bgflt.Quo(bgflt, Ether)
}
return bgflt.Text('g', prec)
}