public bool IsWitness(Address address)
{
if (address == this.Chain.Address /*|| address == this.Address*/)
{
return(false);
}
if (address == this.EntryAddress)
{
return(true);
}
if (address.IsSystem)
{
var contextAddress = SmartContract.GetAddressForName(this.CurrentContext.Name);
return(contextAddress == address);
}
if (address.IsInterop)
{
return(false);
}
if (this.Transaction == null)
{
return(false);
}
if (address.IsUser && Nexus.HasGenesis && this.Nexus.HasAddressScript(changeSet, address))
{
return(InvokeTriggerOnAccount(address, AccountTrigger.OnWitness, address));
}
return(this.Transaction.IsSignedBy(address));
}
public VMObject CallContext(string contextName, string methodName, params object[] args)
{
var previousContext = CurrentContext;
var previousCaller = this.EntryAddress;
var context = LoadContext(contextName);
Expect(context != null, "could not call context: " + contextName);
for (int i = args.Length - 1; i >= 0; i--)
{
var obj = VMObject.FromObject(args[i]);
this.Stack.Push(obj);
}
this.Stack.Push(VMObject.FromObject(methodName));
BigInteger savedGas = this.UsedGas;
this.EntryAddress = SmartContract.GetAddressForName(CurrentContext.Name);
CurrentContext = context;
var temp = context.Execute(this.CurrentFrame, this.Stack);
Expect(temp == ExecutionState.Halt, "expected call success");
CurrentContext = previousContext;
this.EntryAddress = previousCaller;
if (contextName == Nexus.BombContractName)
{
this.UsedGas = savedGas;
}
if (this.Stack.Count > 0)
{
var result = this.Stack.Pop();
return(result);
}
else
{
return(new VMObject());
}
}
