ipld-eth-server/pkg/transformers/pit_file/converter.go
2018-09-04 16:07:35 -05:00

33 lines
862 B
Go

package pit_file
import (
"bytes"
"encoding/json"
"github.com/ethereum/go-ethereum/core/types"
"math/big"
)
type Converter interface {
ToModel(contractAddress string, contractAbi string, ethLog types.Log) (PitFileModel, error)
}
type PitFileConverter struct {
}
func (PitFileConverter) ToModel(contractAddress string, contractAbi string, ethLog types.Log) (entity PitFileModel, err error) {
ilk := string(bytes.Trim(ethLog.Topics[2].Bytes(), "\x00"))
what := string(bytes.Trim(ethLog.Topics[3].Bytes(), "\x00"))
itemByteLength := 32
riskBytes := ethLog.Data[len(ethLog.Data)-itemByteLength:]
risk := big.NewInt(0).SetBytes(riskBytes).String()
raw, err := json.Marshal(ethLog)
return PitFileModel{
Ilk: ilk,
What: what,
Risk: risk,
TransactionIndex: ethLog.TxIndex,
Raw: raw,
}, err
}