public static string StackItemAsString(StackItem item, bool addQuotes = false, VMType hintType = VMType.Unknown)
{
if (item is ICollection)
{
var bytes = item.GetByteArray();
if (bytes != null && bytes.Length == 20)
{
var signatureHash = new UInt160(bytes);
return(CryptoUtils.ToAddress(signatureHash));
}
var s = new StringBuilder();
var items = (ICollection)item;
s.Append('[');
int i = 0;
foreach (StackItem element in items)
{
if (i > 0)
{
s.Append(',');
}
s.Append(StackItemAsString(element));
i++;
}
s.Append(']');
return(s.ToString());
}
if (item is VM.Types.Boolean && hintType == VMType.Unknown)
{
return(item.GetBoolean().ToString());
}
if (item is VM.Types.Integer && hintType == VMType.Unknown)
{
return(item.GetBigInteger().ToString());
}
if (item is VM.Types.InteropInterface)
{
var type = ((VM.Types.InteropInterface)item).GetInterfaceType();
return($"{type.Name}");
}
byte[] data = null;
try
{
data = item.GetByteArray();
}
catch
{
}
if ((data == null || data.Length == 0) && hintType == VMType.Unknown)
{
return("Null");
}
if (hintType == VMType.Array)
{
var s = new StringBuilder();
s.Append('[');
int count = 0;
if (data.Length > 0)
{
var array = (VM.Types.Array)item;
foreach (var entry in array)
{
if (count > 0)
{
s.Append(", ");
}
count++;
s.Append(StackItemAsString(entry, addQuotes, VMType.Unknown));
}
}
s.Append(']');
return(s.ToString());
}
return(FormattingUtils.OutputData(data, addQuotes, hintType));
}
public static string OutputData(byte[] data, bool addQuotes, VMType hintType = VMType.Unknown)
{
if (data == null)
{
return("Null");
}
var dataLen = data.Length;
if (hintType != VMType.Unknown)
{
switch (hintType)
{
case VMType.String:
{
var val = System.Text.Encoding.UTF8.GetString(data);
if (addQuotes)
{
val = '"' + val + '"';
}
return(val);
}
case VMType.Boolean:
{
return((data != null && data.Length > 0 && data[0] != 0) ? "True" : "False");
}
case VMType.Integer:
{
return(new BigInteger(data).ToString());
}
}
}
for (int i = 0; i < dataLen; i++)
{
var c = (char)data[i];
var isValidText = char.IsLetterOrDigit(c) || char.IsPunctuation(c) || char.IsWhiteSpace(c) ||
"!@#$%^&*()-=_+[]{}|;':,./<>?".Contains(c.ToString());
if (!isValidText)
{
string prefix = null;
if (data.Length == 23)
{
prefix = Encoding.ASCII.GetString(data.Take(3).ToArray());
data = data.Skip(3).ToArray();
}
if (data.Length == 20)
{
var signatureHash = new UInt160(data);
var output = CryptoUtils.ToAddress(signatureHash);
if (prefix != null)
{
output = prefix + "." + output;
}
return(output);
}
return(data.ByteToHex());
}
}
var result = System.Text.Encoding.ASCII.GetString(data);
if (addQuotes)
{
result = '"' + result + '"';
}
return(result);
}