40 lines
1.1 KiB
Go
40 lines
1.1 KiB
Go
package nns
|
|
|
|
import (
|
|
"github.com/nspcc-dev/neo-go/pkg/interop"
|
|
"github.com/nspcc-dev/neo-go/pkg/interop/contract"
|
|
"github.com/nspcc-dev/neo-go/pkg/interop/native/management"
|
|
"github.com/nspcc-dev/neo-go/pkg/interop/native/std"
|
|
"github.com/nspcc-dev/neo-go/pkg/interop/storage"
|
|
)
|
|
|
|
const FrostfsIDNNSName = "frostfsid.frostfs"
|
|
|
|
const (
|
|
FrostfsIDNNSTLDPermissionKey = "nns-allow-register-tld"
|
|
FrostfsIDTLDRegistrationAllowed = "allow"
|
|
FrostfsIDTLDRegistrationDisallowed = "disallow"
|
|
)
|
|
|
|
func checkFrostfsID(ctx storage.Context, addr interop.Hash160) bool {
|
|
if len(addr) == 0 {
|
|
return false
|
|
}
|
|
|
|
frostfsIDAddress := getRecordsByType(ctx, []byte(tokenIDFromName(FrostfsIDNNSName)), FrostfsIDNNSName, TXT)
|
|
if len(frostfsIDAddress) == 0 {
|
|
return false
|
|
}
|
|
|
|
decodedBytes := std.Base58Decode([]byte(frostfsIDAddress[1]))
|
|
|
|
if len(decodedBytes) < 21 || management.GetContract(decodedBytes[1:21]) == nil {
|
|
return false
|
|
}
|
|
|
|
if res := contract.Call(decodedBytes[1:21], "getSubjectKV", contract.ReadOnly, addr, FrostfsIDNNSTLDPermissionKey).(string); res == FrostfsIDTLDRegistrationAllowed {
|
|
return true
|
|
}
|
|
|
|
return false
|
|
}
|