public void OnPersist(Snapshot snapshot, IReadOnlyList <Blockchain.ApplicationExecuted> applicationExecutedList)
{
_height = snapshot.Height;
if (DebuggerActive)
{
foreach (Blockchain.ApplicationExecuted a in applicationExecutedList)
{
ApplicationExecutionResult r = a.ExecutionResults[0];
InvocationTransaction tx = (InvocationTransaction)a.Transaction;
using (Snapshot newsnapshot = Blockchain.Singleton.GetSnapshot())
{
using (_engine = new ApplicationEngine(TriggerType.Application, tx, newsnapshot, tx.Gas, false))
{
_engine.LoadScript(tx.Script);
_debugger = new Debugger(_engine);
_lineOffset = 0;
Execute(r);
}
}
}
}
}
public bool Execute(ApplicationExecutionResult r)
{
bool reportResults = false;
try
{
_continue = true;
while (true)
{
if (DebuggerActive)
{
InvocationTransaction tx = (InvocationTransaction)_engine.ScriptContainer;
// Script:offset breakpoint
UInt160 scripthash = new UInt160(_engine.CurrentContext.ScriptHash);
uint pos = (uint)_engine.CurrentContext.InstructionPointer;
if (_continue && _script_break_points.TryGetValue(scripthash, out HashSet <uint> hashset) && hashset.Contains(pos))
{
Console.WriteLine($"Breakpoint hit at script {scripthash.ToString()}:{pos}");
Console.WriteLine($"Block: {_height}");
Console.WriteLine($"Tx: {tx.Hash.ToString()}");
PrintNext();
_continue = false;
reportResults = true;
}
if (_engine.CurrentContext.InstructionPointer == 0)
{
// Transaction breakpoint
if (_continue && _tx_break_points.Contains(tx.Hash))
{
Console.WriteLine($"Breakpoint hit at tx {tx.Hash.ToString()}");
Console.WriteLine($"Block: {_height}");
PrintNext();
_continue = false;
reportResults = true;
}
// Block height breakpoint
else if (_continue && _block_break_points.Contains(_height))
{
Console.WriteLine($"Breakpoint hit at block {_height}");
Console.WriteLine($"Tx: {tx.Hash.ToString()}");
PrintNext();
_continue = false;
reportResults = true;
}
}
}
SpinWait.SpinUntil(() => _continue == true);
StepInto(false);
if (_engine.State.HasFlag(VMState.HALT) || _engine.State.HasFlag(VMState.FAULT))
{
break;
}
}
}
catch (Exception ex)
{
//Console.WriteLine($"Execute() failed: {ex}");
//_engine.State |= VMState.FAULT;
}
if (reportResults)
{
Console.WriteLine("Debug execution results:");
Console.WriteLine($"VMState = {_engine.State}");
Console.WriteLine($"GasConsumed = {_engine.GasConsumed}");
Console.WriteLine("EvaluationStack = ");
DumpStack(_engine.ResultStack);
Console.WriteLine($"Notifications = ");
foreach (NotifyEventArgs n in _engine.Service.Notifications)
{
Console.WriteLine(ItemToJson(n.State));
}
Console.WriteLine("Real execution results:");
Console.Write($"VMState = {r.VMState},");
Console.Write($"GasConsumed = {r.GasConsumed},");
Console.Write($"Stack = {r.Stack.Count()} items,");
Console.WriteLine($"Notifications = {r.Notifications.Count()} items");
}
return(!_engine.State.HasFlag(VMState.FAULT));
}