public void GetOpCodeTest(uint val, OP expected)
{
StackInt si = new StackInt(val);
OP actual = si.GetOpCode();
Assert.Equal(expected, actual);
}
/// <summary>
/// Initializes a new instance of <see cref="PushDataOp"/> using the given <see cref="IScript"/>.
/// </summary>
/// <exception cref="ArgumentNullException"/>
/// <param name="script">
/// Script to use (will be converted to byte array using the <see cref="IScript.ToByteArray"/> function)
/// </param>
public PushDataOp(IScript script)
{
if (script == null)
{
throw new ArgumentNullException(nameof(script), "Script can not be null.");
}
data = script.ToByteArray();
StackInt size = new StackInt(data.Length);
OpValue = size.GetOpCode();
}
/// <summary>
/// Initializes a new instance of <see cref="PushDataOp"/> using the given integer.
/// </summary>
/// <param name="num">Integer value to use</param>
public PushDataOp(long num)
{
if (num >= -1 && num <= 16) // We have OP for these
{
_ = TryConvertToOp((int)num, out _opVal);
data = null;
}
else // There is no OP code, we have to use regular push
{
data = IntToByteArray(num);
StackInt size = new StackInt(data.Length);
_opVal = size.GetOpCode();
}
}
/// <summary>
/// Initializes a new instance of <see cref="PushDataOp"/> using the given integer.
/// </summary>
/// <param name="num">Integer value to use</param>
public PushDataOp(int num)
{
if (num >= -1 && num <= 16) // We have OP for these
{
OpValue = OpHelper.IntToOp(num);
data = null;
}
else // There is no OP, we have to use regular push
{
// TODO: this is wrong!!!
data = OpHelper.IntToByteArray(num);
StackInt size = new StackInt(data.Length);
OpValue = size.GetOpCode();
}
}
/// <summary>
/// Initializes a new instance of <see cref="PushDataOp"/> using the given byte array.
/// </summary>
/// <exception cref="ArgumentNullException"/>
/// <exception cref="ArgumentException"/>
/// <param name="ba">Byte array to use</param>
public PushDataOp(byte[] ba)
{
if (ba == null)
{
throw new ArgumentNullException(nameof(ba), "Byte array can not be null.");
}
if (OpHelper.HasOpNum(ba)) // TODO: add isStrict field for this check.
{
throw new ArgumentException("Short form of data exists which should be used instead.");
}
data = ba.CloneByteArray();
StackInt size = new StackInt(ba.Length);
OpValue = size.GetOpCode();
}
/// <summary>
/// Initializes a new instance of <see cref="PushDataOp"/> using the given <see cref="IScript"/>.
/// </summary>
/// <exception cref="ArgumentNullException"/>
/// <param name="script">Script to use</param>
public PushDataOp(IScript script)
{
if (script == null)
{
throw new ArgumentNullException(nameof(script), "Script can not be null.");
}
if (script.Data.Length > Constants.MaxScriptItemLength)
{
throw new ArgumentOutOfRangeException(nameof(script),
$"Script byte size to be pushed to the stack can not be bigger than {Constants.MaxScriptItemLength} bytes.");
}
data = script.Data.CloneByteArray();
StackInt size = new StackInt(data.Length);
_opVal = size.GetOpCode();
}
/// <summary>
/// Initializes a new instance of <see cref="PushDataOp"/> using the given byte array.
/// Throws an <see cref="ArgumentException"/> if there is an OP_number available equal to the value of the byte array.
/// </summary>
/// <exception cref="ArgumentNullException"/>
/// <exception cref="ArgumentException"/>
/// <param name="ba">Byte array to use</param>
public PushDataOp(byte[] ba)
{
if (ba == null)
{
throw new ArgumentNullException(nameof(ba), "Byte array can not be null.");
}
if (HasNumOp(ba))
{
throw new ArgumentException("Short form of data exists with OP codes which should be used instead.");
}
if (ba.Length > Constants.MaxScriptItemLength)
{
throw new ArgumentOutOfRangeException(nameof(ba),
$"Data to be pushed to the stack can not be bigger than {Constants.MaxScriptItemLength} bytes.");
}
data = ba.CloneByteArray();
StackInt size = new StackInt(ba.Length);
_opVal = size.GetOpCode();
}