public static void EVAL_SCRIPT(ref ExecutionStack stack)
{
Script lockScript = new Script(stack.Pop());
Script unlockScript = new Script(stack.Pop());
unlockScript.InsertScript(lockScript);
stack.Script.AddRange(unlockScript.Reverse().ToArray());
}
public static EXECUTION_RESULT?EQUALS(ref ExecutionStack stack)
{
if (stack.Count < 2)
{
return(EXECUTION_RESULT.INVALID_STACK);
}
stack.Push(System.Linq.Enumerable.SequenceEqual(stack.Pop(), stack.Pop()));
return(null);
}
public static EXECUTION_RESULT?CHECKSIG(ref ExecutionStack stack)
{
if (stack.Transaction == null)
{
return(EXECUTION_RESULT.NO_TRANSACTION_GIVEN);
}
if (stack.Count < 2)
{
return(EXECUTION_RESULT.INVALID_STACK);
}
//Verify if signature is valid
stack.Push(new CryptoRSA(stack.Pop()).Verify(stack.Transaction.Hash(), stack.Pop()));
return(null);
}
public static EXECUTION_RESULT?DUP(ref ExecutionStack stack)
{
if (!stack.Any())
{
return(EXECUTION_RESULT.INVALID_STACK);
}
var item = stack.Pop();
stack.Push(item, item);
return(null);
}
protected override void Run(CancellationToken cancellationToken)
{
IOperation next;
OperationCollection coll;
IAtomicOperation operation;
while (ExecutionStack.Count > 0)
{
cancellationToken.ThrowIfCancellationRequested();
next = ExecutionStack.Pop();
if (next is OperationCollection)
{
coll = (OperationCollection)next;
for (int i = coll.Count - 1; i >= 0; i--)
{
if (coll[i] != null)
{
ExecutionStack.Push(coll[i]);
}
}
}
else if (next is IAtomicOperation)
{
operation = (IAtomicOperation)next;
try {
next = operation.Operator.Execute((IExecutionContext)operation, cancellationToken);
}
catch (Exception ex) {
ExecutionStack.Push(operation);
if (ex is OperationCanceledException)
{
throw ex;
}
else
{
throw new OperatorExecutionException(operation.Operator, ex);
}
}
if (next != null)
{
ExecutionStack.Push(next);
}
if (operation.Operator.Breakpoint)
{
Log.LogMessage(string.Format("Breakpoint: {0}", operation.Operator.Name != string.Empty ? operation.Operator.Name : operation.Operator.ItemName));
Pause();
}
}
}
}
public void OneStep(ProgramState ps, ExecutionStack es, bool eachExecution)
{
try
{
IStatement statement = es.Pop();
statement.Execute(ps);
if (eachExecution)
{
Console.WriteLine(ps.Tostring());
}
}
catch (CustomException exc)
{
throw exc;
}
}
protected override void Run(CancellationToken cancellationToken)
{
IOperation next;
OperationCollection coll;
IAtomicOperation operation;
while (ExecutionStack.Count > 0)
{
cancellationToken.ThrowIfCancellationRequested();
next = ExecutionStack.Pop();
if (next is OperationCollection)
{
coll = (OperationCollection)next;
for (int i = coll.Count - 1; i >= 0; i--)
{
if (coll[i] != null)
{
ExecutionStack.Push(coll[i]);
}
}
}
else if (next is IAtomicOperation)
{
operation = (IAtomicOperation)next;
try {
next = operation.Operator.Execute((IExecutionContext)operation, cancellationToken);
}
catch (Exception ex) {
ExecutionStack.Push(operation);
if (ex is OperationCanceledException)
{
throw;
}
else
{
throw new OperatorExecutionException(operation.Operator, ex);
}
}
if (next != null)
{
ExecutionStack.Push(next);
}
}
}
}
private IEnumerable <string> CommandProcessor(XmlNode root)
{
if (root.HasChildNodes)
{
foreach (XmlNode topLevelCommand in root.ChildNodes)
{
if (topLevelCommand.LocalName.Equals("Run", StringComparison.InvariantCultureIgnoreCase))
{
string name = "Unnamed Run";
SetupRun(topLevelCommand, ref name);
yield return(name);
}
else
{
if (topLevelCommand.NodeType != XmlNodeType.Comment)
{
var commandName = topLevelCommand.LocalName;
if (!BatchCommands.TryGetValue(commandName.ToLowerInvariant(), out Action <XmlNode> command))
{
throw new XTMFRuntimeException(this, "We are unable to find a command named '" + commandName
+ "' for batch processing. Please check your batch file!\r\n" + topLevelCommand.OuterXml);
}
var initialCount = ExecutionStack.Count;
command.Invoke(topLevelCommand);
if (initialCount < ExecutionStack.Count)
{
var current = ExecutionStack.Pop();
foreach (var run in CommandProcessor(current))
{
yield return(run);
}
}
}
}
}
}
}
public static EXECUTION_RESULT?HASH_160(ref ExecutionStack stack)
{
stack.Push(Hash.HASH160(stack.Pop()));
return(null);
}
public static EXECUTION_RESULT?RIPEMD_160(ref ExecutionStack stack)
{
stack.Push(Hash.RIPEMD160(stack.Pop()));
return(null);
}
public static EXECUTION_RESULT?SHA_256(ref ExecutionStack stack)
{
stack.Push(Hash.SHA256(stack.Pop()));
return(null);
}