protected StackItem OnPersist(ApplicationEngine engine, VMArray args)
{
if (engine.Trigger != TriggerType.System)
{
return(false);
}
return(OnPersist(engine));
}
protected StackItem Transfer(ApplicationEngine engine, VMArray args)
{
UInt160 from = new UInt160(args[0].GetByteArray());
UInt160 to = new UInt160(args[1].GetByteArray());
BigInteger amount = args[2].GetBigInteger();
return(Transfer(engine, from, to, amount));
}
private StackItem SetFeePerByte(ApplicationEngine engine, VMArray args)
{
if (!CheckValidators(engine))
{
return(false);
}
long value = (long)args[0].GetBigInteger();
StorageItem storage = engine.Snapshot.Storages.GetAndChange(CreateStorageKey(Prefix_FeePerByte));
storage.Value = BitConverter.GetBytes(value);
return(true);
}
private StackItem SetMaxTransactionsPerBlock(ApplicationEngine engine, VMArray args)
{
if (!CheckValidators(engine))
{
return(false);
}
uint value = (uint)args[0].GetBigInteger();
StorageItem storage = engine.Snapshot.Storages.GetAndChange(CreateStorageKey(Prefix_MaxTransactionsPerBlock));
storage.Value = BitConverter.GetBytes(value);
return(true);
}
private StackItem SetMaxBlockSize(ApplicationEngine engine, VMArray args)
{
if (!CheckValidators(engine))
{
return(false);
}
uint value = (uint)args[0].GetBigInteger();
if (Network.P2P.Message.PayloadMaxSize <= value)
{
return(false);
}
StorageItem storage = engine.Snapshot.Storages.GetAndChange(CreateStorageKey(Prefix_MaxBlockSize));
storage.Value = BitConverter.GetBytes(value);
return(true);
}
internal bool Invoke(ApplicationEngine engine)
{
if (!engine.CurrentScriptHash.Equals(Hash))
{
return(false);
}
string operation = engine.CurrentContext.EvaluationStack.Pop().GetString();
VMArray args = (VMArray)engine.CurrentContext.EvaluationStack.Pop();
if (!methods.TryGetValue(operation, out ContractMethodMetadata method))
{
return(false);
}
StackItem result = method.Delegate(engine, args);
engine.CurrentContext.EvaluationStack.Push(result);
return(true);
}
private StackItem UnblockAccount(ApplicationEngine engine, VMArray args)
{
if (!CheckValidators(engine))
{
return(false);
}
UInt160 account = new UInt160(args[0].GetByteArray());
StorageKey key = CreateStorageKey(Prefix_BlockedAccounts);
StorageItem storage = engine.Snapshot.Storages[key];
HashSet <UInt160> accounts = new HashSet <UInt160>(storage.Value.AsSerializableArray <UInt160>());
if (!accounts.Remove(account))
{
return(false);
}
storage = engine.Snapshot.Storages.GetAndChange(key);
storage.Value = accounts.ToArray().ToByteArray();
return(true);
}
private StackItem GetFeePerByte(ApplicationEngine engine, VMArray args)
{
return(GetFeePerByte(engine.Snapshot));
}
private StackItem GetMaxBlockSize(ApplicationEngine engine, VMArray args)
{
return(GetMaxBlockSize(engine.Snapshot));
}
private StackItem GetMaxTransactionsPerBlock(ApplicationEngine engine, VMArray args)
{
return(GetMaxTransactionsPerBlock(engine.Snapshot));
}
protected StackItem NameMethod(ApplicationEngine engine, VMArray args)
{
return(Name);
}
private StackItem GetBlockedAccounts(ApplicationEngine engine, VMArray args)
{
return(GetBlockedAccounts(engine.Snapshot).Select(p => (StackItem)p.ToArray()).ToList());
}
protected StackItem BalanceOf(ApplicationEngine engine, VMArray args)
{
return(BalanceOf(engine.Snapshot, new UInt160(args[0].GetByteArray())));
}
protected StackItem TotalSupply(ApplicationEngine engine, VMArray args)
{
return(TotalSupply(engine.Snapshot));
}
protected StackItem DecimalsMethod(ApplicationEngine engine, VMArray args)
{
return((uint)Decimals);
}
protected StackItem SymbolMethod(ApplicationEngine engine, VMArray args)
{
return(Symbol);
}
protected StackItem SupportedStandardsMethod(ApplicationEngine engine, VMArray args)
{
return(SupportedStandards.Select(p => (StackItem)p).ToList());
}
private StackItem GetSysFeeAmount(ApplicationEngine engine, VMArray args)
{
uint index = (uint)args[0].GetBigInteger();
return(GetSysFeeAmount(engine.Snapshot, index));
}
