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