40 lines
1.1 KiB
Go
40 lines
1.1 KiB
Go
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package nns
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import (
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"github.com/nspcc-dev/neo-go/pkg/interop"
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"github.com/nspcc-dev/neo-go/pkg/interop/contract"
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"github.com/nspcc-dev/neo-go/pkg/interop/native/management"
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"github.com/nspcc-dev/neo-go/pkg/interop/native/std"
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"github.com/nspcc-dev/neo-go/pkg/interop/storage"
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)
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const FrostfsIDNNSName = "frostfsid.frostfs"
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const (
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FrostfsIDNNSTLDPermissionKey = "nns-allow-register-tld"
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FrostfsIDTLDRegistrationAllowed = "allow"
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)
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func checkFrostfsID(ctx storage.Context, addr interop.Hash160) bool {
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if len(addr) == 0 {
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return false
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}
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frostfsIDAddress := getRecordsByType(ctx, []byte(tokenIDFromName(FrostfsIDNNSName)), FrostfsIDNNSName, TXT)
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if len(frostfsIDAddress) < 2 {
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return false
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}
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decodedBytes := std.Base58Decode([]byte(frostfsIDAddress[1]))
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if len(decodedBytes) < 21 || management.GetContract(decodedBytes[1:21]) == nil {
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return false
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}
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if res := contract.Call(decodedBytes[1:21], "getSubjectKV", contract.ReadOnly, addr, FrostfsIDNNSTLDPermissionKey).(string); res == FrostfsIDTLDRegistrationAllowed {
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return true
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}
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return false
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}
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