35 lines
1.2 KiB
C#
35 lines
1.2 KiB
C#
using Google.Protobuf;
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namespace Bd2CashShop;
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// Owned-server additions stay in protobuf unknown fields. The frozen client
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// AttendanceResponse/EventRewardResponse schemas and their handlers stay intact.
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internal static class AttendanceRewardEnvelope
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{
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internal static bool TryRead(IMessage response, out ByteString rewards, out string receipt)
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{
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rewards = null;
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receipt = null;
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if (response == null || response.CalculateSize() > 8 * 1024 * 1024) return false;
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using (var input = new CodedInputStream(response.ToByteArray()))
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{
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uint tag;
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while ((tag = input.ReadTag()) != 0)
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{
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if (tag == (1001u << 3 | 2u))
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{
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if (rewards != null) return false;
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rewards = input.ReadBytes();
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}
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else if (tag == (1002u << 3 | 2u))
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{
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if (receipt != null) return false;
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receipt = input.ReadString();
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}
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else input.SkipLastField();
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}
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}
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return rewards != null && !string.IsNullOrWhiteSpace(receipt) && receipt.Length <= 1024;
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}
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}
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