private static ContractParameter ToParameter(StackItem item, List <Tuple <StackItem, ContractParameter> > context)
{
ContractParameter parameter = null;
switch (item)
{
case VMArray array:
if (context is null)
{
context = new List <Tuple <StackItem, ContractParameter> >();
}
else
{
parameter = context.FirstOrDefault(p => ReferenceEquals(p.Item1, item))?.Item2;
}
if (parameter is null)
{
parameter = new ContractParameter {
Type = ContractParameterType.Array
};
context.Add(new Tuple <StackItem, ContractParameter>(item, parameter));
parameter.Value = array.Select(p => ToParameter(p, context)).ToList();
}
break;
case Map map:
if (context is null)
{
context = new List <Tuple <StackItem, ContractParameter> >();
}
else
{
parameter = context.FirstOrDefault(p => ReferenceEquals(p.Item1, item))?.Item2;
}
if (parameter is null)
{
parameter = new ContractParameter {
Type = ContractParameterType.Map
};
context.Add(new Tuple <StackItem, ContractParameter>(item, parameter));
parameter.Value = map.Select(p => new KeyValuePair <ContractParameter, ContractParameter>(ToParameter(p.Key, context), ToParameter(p.Value, context))).ToList();
}
break;
case VMBoolean _:
parameter = new ContractParameter
{
Type = ContractParameterType.Boolean,
Value = item.GetBoolean()
};
break;
case ByteArray _:
parameter = new ContractParameter
{
Type = ContractParameterType.ByteArray,
Value = item.GetByteArray()
};
break;
case Integer _:
parameter = new ContractParameter
{
Type = ContractParameterType.Integer,
Value = item.GetBigInteger()
};
break;
case InteropInterface _:
parameter = new ContractParameter
{
Type = ContractParameterType.InteropInterface
};
break;
default:
throw new ArgumentException();
}
return(parameter);
}
private static bool GetScriptContainer(ExecutionEngine engine)
{
engine.CurrentContext.EvaluationStack.Push(StackItem.FromInterface(engine.ScriptContainer));
return(true);
}
public static ContractParameter ToParameter(this StackItem item)
{
return(ToParameter(item, null));
}