ipld-eth-server/libraries/shared/transformer/transformer.go

47 lines
1.3 KiB
Go

// Auto-gen this code for different transformer interfaces/configs
// based on config file to allow for more modularity
package transformer
import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
"github.com/vulcanize/vulcanizedb/pkg/transformers/shared/constants"
)
type Transformer interface {
Execute(logs []types.Log, header core.Header, recheckHeaders constants.TransformerExecution) error
GetConfig() TransformerConfig
}
type TransformerInitializer func(db *postgres.DB) Transformer
type TransformerConfig struct {
TransformerName string
ContractAddresses []string
ContractAbi string
Topic string
StartingBlockNumber int64
EndingBlockNumber int64 // Set -1 for indefinite transformer
}
func HexToInt64(byteString string) int64 {
value := common.HexToHash(byteString)
return value.Big().Int64()
}
func HexToString(byteString string) string {
value := common.HexToHash(byteString)
return value.Big().String()
}
func HexStringsToAddresses(strings []string) (addresses []common.Address) {
for _, hexString := range strings {
addresses = append(addresses, common.HexToAddress(hexString))
}
return
}