/// <summary>
/// Initializes a new instance of <see cref="ReturnOp"/> using the given <see cref="IScript"/>.
/// </summary>
/// <exception cref="ArgumentNullException"/>
/// <param name="scr">Script to use</param>
/// <param name="usePushOp">
/// [Default value = true]
/// If true, the data will be included after <see cref="OP.RETURN"/> using <see cref="PushDataOp"/> scheme.
/// </param>
public ReturnOp(IScript scr, bool usePushOp = true)
{
if (scr == null)
{
throw new ArgumentNullException(nameof(scr), "Script can not be null.");
}
byte[] temp = scr.ToByteArray();
if (usePushOp)
{
StackInt size = new StackInt(temp.Length);
Data = ByteArray.ConcatArrays(
new byte[1] {
(byte)OP.RETURN
},
size.ToByteArray(),
temp);
}
else
{
Data = new byte[temp.Length + 1];
Data[0] = (byte)OP.RETURN;
Buffer.BlockCopy(temp, 0, Data, 1, temp.Length);
}
}
/// <summary>
/// Initializes a new instance of <see cref="ReturnOp"/> using the given data.
/// </summary>
/// <param name="ba">Data to use (can be null)</param>
/// <param name="usePushOp">
/// [Default value = true]
/// If true, the data will be included after <see cref="OP.RETURN"/> using <see cref="PushDataOp"/> scheme.
/// </param>
public ReturnOp(byte[] ba, bool usePushOp = true)
{
if (ba == null || ba.Length == 0)
{
Data = new byte[1] {
(byte)OP.RETURN
};
}
else if (usePushOp)
{
StackInt size = new StackInt(ba.Length);
Data = ByteArray.ConcatArrays(
new byte[1] {
(byte)OP.RETURN
},
size.ToByteArray(),
ba);
}
else
{
Data = new byte[ba.Length + 1];
Data[0] = (byte)OP.RETURN;
Buffer.BlockCopy(ba, 0, Data, 1, ba.Length);
}
}