ipld-eth-server/cmd/utils.go

58 lines
1.4 KiB
Go

package cmd
import (
"log"
"path/filepath"
"fmt"
"github.com/8thlight/vulcanizedb/pkg/config"
"github.com/8thlight/vulcanizedb/pkg/core"
"github.com/8thlight/vulcanizedb/pkg/geth"
"github.com/8thlight/vulcanizedb/pkg/repositories"
)
func LoadConfig(environment string) config.Config {
cfg, err := config.NewConfig(environment)
if err != nil {
log.Fatalf("Error loading config\n%v", err)
}
return cfg
}
func LoadPostgres(database config.Database, node core.Node) repositories.Postgres {
repository, err := repositories.NewPostgres(database, node)
if err != nil {
log.Fatalf("Error loading postgres\n%v", err)
}
return repository
}
func ReadAbiFile(abiFilepath string) string {
if !filepath.IsAbs(abiFilepath) {
abiFilepath = filepath.Join(config.ProjectRoot(), abiFilepath)
}
abi, err := geth.ReadAbiFile(abiFilepath)
if err != nil {
log.Fatalf("Error reading ABI file at \"%s\"\n %v", abiFilepath, err)
}
return abi
}
func GetAbi(abiFilepath string, contractHash string) string {
var contractAbiString string
if abiFilepath != "" {
contractAbiString = ReadAbiFile(abiFilepath)
} else {
etherscan := geth.NewEtherScanClient("https://api.etherscan.io")
fmt.Println("No ABI supplied. Retrieving ABI from Etherscan")
contractAbiString, _ = etherscan.GetAbi(contractHash)
}
_, err := geth.ParseAbi(contractAbiString)
if err != nil {
log.Fatalln("Invalid ABI")
}
return contractAbiString
}