frostfs-s3-gw/internal/frostfs/util/util.go

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package util
import (
"fmt"
"strings"
"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container"
"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/ns"
"github.com/nspcc-dev/neo-go/pkg/util"
)
// ResolveContractHash determine contract hash by resolving NNS name.
func ResolveContractHash(contractHash, rpcAddress string) (util.Uint160, error) {
if hash, err := util.Uint160DecodeStringLE(contractHash); err == nil {
return hash, nil
}
splitName := strings.Split(contractHash, ".")
if len(splitName) != 2 {
return util.Uint160{}, fmt.Errorf("invalid contract name: '%s'", contractHash)
}
var domain container.Domain
domain.SetName(splitName[0])
domain.SetZone(splitName[1])
var nns ns.NNS
if err := nns.Dial(rpcAddress); err != nil {
return util.Uint160{}, fmt.Errorf("dial nns %s: %w", rpcAddress, err)
}
defer nns.Close()
return nns.ResolveContractHash(domain)
}