public static byte[] GetSentTransfer20151004ArgsHmacAuthCode(
SendTransfer20151004Args request,
byte[] hmacKey
)
{
Assert.NotNull(request);
CheckSentTransfer20151004Args(request);
Assert.NotNull(hmacKey);
Assert.Equal(hmacKey.Length, 64);
using (var ms = new MemoryStream())
{
var converter = new LittleEndianBitConverter();
using (var littleStream = new EndianBinaryWriter(converter, ms))
{
littleStream.Write(request.RequestGuid.ToByteArray());
var dt = DateTime.ParseExact(
request.SentTimeString,
DateTimeStringFormat20151004,
CultureInfo.InvariantCulture
);
littleStream.Write(dt.Ticks);
littleStream.Write(request.WalletFromGuid.ToByteArray());
littleStream.Write(request.WalletToGuid.ToByteArray());
littleStream.Write(request.Amount);
littleStream.Write(request.AnonymousTransfer);
littleStream.Write(request.CommentBytes);
littleStream.Write(request.MaxFee);
}
return new HMACSHA256(hmacKey).ComputeHash(ms.ToArray());
}
}
public static void CheckSentTransfer20151004Args(
SendTransfer20151004Args args
)
{
DateTime dt;
try
{
Assert.NotNull(args);
Assert.NotEqual(args.WalletFromGuid,Guid.Empty);
Assert.NotEqual(args.WalletToGuid,Guid.Empty);
Assert.InRange(
args.Amount,
1,
int.MaxValue
);
Assert.NotNull(args.CommentBytes);
Assert.True(args.CommentBytes.Length <= 64000);
Assert.False(string.IsNullOrWhiteSpace(args.SentTimeString));
dt = DateTime.ParseExact(
args.SentTimeString,
DateTimeStringFormat20151004,
CultureInfo.InvariantCulture
);
Assert.InRange(
args.MaxFee,
0,
int.MaxValue
);
}
catch
{
throw EnumException.Create(
EGeneralWalletLocalApiErrorCodes20151004.WrongArgs);
}
try
{
var nowTimeUtc = DateTime.UtcNow;
Assert.InRange(
dt,
nowTimeUtc.Subtract(TimeSpan.FromMinutes(5.0)),
nowTimeUtc.AddMinutes(5)
);
}
catch
{
throw EnumException.Create(
EGeneralWalletLocalApiErrorCodes20151004.RequestLifetimeExpired);
}
}
