forked from TrueCloudLab/frostfs-sdk-go
41 lines
1.1 KiB
Go
41 lines
1.1 KiB
Go
package resolver
|
|
|
|
import (
|
|
"fmt"
|
|
"net"
|
|
|
|
cid "github.com/nspcc-dev/neofs-sdk-go/container/id"
|
|
)
|
|
|
|
const (
|
|
testnetDomain = ".containers.testnet.fs.neo.org"
|
|
mainnetDomain = ".containers.fs.neo.org"
|
|
)
|
|
|
|
// ResolveContainerTestnet request txt record name + '.containers.testnet.fs.neo.org' to default dns server.
|
|
func ResolveContainerTestnet(name string) (*cid.ID, error) {
|
|
return ResolveContainerDomainName(name + testnetDomain)
|
|
}
|
|
|
|
// ResolveContainerMainnet request txt record name + '.containers.fs.neo.org' to default dns server.
|
|
func ResolveContainerMainnet(name string) (*cid.ID, error) {
|
|
return ResolveContainerDomainName(name + mainnetDomain)
|
|
}
|
|
|
|
// ResolveContainerDomainName trys to resolve container domain name to container ID using system dns server.
|
|
func ResolveContainerDomainName(domain string) (*cid.ID, error) {
|
|
results, err := net.LookupTXT(domain)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
cnrID := cid.New()
|
|
for _, res := range results {
|
|
if err = cnrID.Parse(res); err != nil {
|
|
continue
|
|
}
|
|
return cnrID, nil
|
|
}
|
|
|
|
return nil, fmt.Errorf("not found")
|
|
}
|