NameService: minor improvements, part 1 #23
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According to [RFC 1034](https://datatracker.ietf.org/doc/html/rfc1034#section-3.1), "Each node has a label, which is zero to 63 octets in length". Originally fixed in nspcc-dev/neofs-contract#238.
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Just to give some background, we have an NNS contract in (https://github.com/nspcc-dev/neofs-contract/), it was originally based on C# one, but it diverged over time as we solved some problems related to NeoFS CDN and dApp needs. This contract is used in NeoFS and it also powers dApp examples shown on Aug 30, so it's tested and known to work. We think changes made there are very much relevant for real-life applications and standard public NNS contract will benefit from them. |
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@shargon, @superboyiii, @erikzhang? This part is rather trivial, but we have more invasive things in the queue, so maybe we can deal with this one first and then discuss other things. |
| @@ -353,6 +355,7 @@ public static string GetRecord(string name, RecordType type) | |||
| token.EnsureNotExpired(); | |||
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Returns null if nameMap[tokenKey] is null?
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I'd really prefer going step by step. The changes in this PR are simple and internally consistent to me, the problem raised is not related to these changes, it always existed and we'll deal with it in #25.
Move commonly used checks to a separate methods.
According to the [RFC 1034](https://datatracker.ietf.org/doc/html/rfc1034#section-3.5), labels are forbidden to have hyphen as the first and the last characters, but it's allowed to have it in the middle. Originally fixed in nspcc-dev/neofs-contract#183.
Originally implemented in nspcc-dev/neofs-contract@4041924.
AnnaShaleva
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Refactor code a bit and make it closer to https://datatracker.ietf.org/doc/html/rfc1034.