private StackItem UnclaimedGas(ApplicationEngine engine, VMArray args)
{
UInt160 account = new UInt160(args[0].GetByteArray());
uint end = (uint)args[1].GetBigInteger();
return(UnclaimedGas(engine.Snapshot, account, end));
}
private StackItem Vote(ApplicationEngine engine, VMArray args)
{
UInt160 account = new UInt160(args[0].GetByteArray());
ECPoint[] pubkeys = ((VMArray)args[1]).Select(p => p.GetByteArray().AsSerializable <ECPoint>()).ToArray();
if (!InteropService.CheckWitness(engine, account))
{
return(false);
}
StorageKey key_account = CreateAccountKey(account);
if (engine.Snapshot.Storages.TryGet(key_account) is null)
{
return(false);
}
StorageItem storage_account = engine.Snapshot.Storages.GetAndChange(key_account);
AccountState state_account = new AccountState(storage_account.Value);
foreach (ECPoint pubkey in state_account.Votes)
{
StorageItem storage_validator = engine.Snapshot.Storages.GetAndChange(CreateStorageKey(Prefix_Validator, pubkey.ToArray()));
ValidatorState state_validator = ValidatorState.FromByteArray(storage_validator.Value);
state_validator.Votes -= state_account.Balance;
storage_validator.Value = state_validator.ToByteArray();
}
pubkeys = pubkeys.Distinct().Where(p => engine.Snapshot.Storages.TryGet(CreateStorageKey(Prefix_Validator, p.ToArray())) != null).ToArray();
if (pubkeys.Length != state_account.Votes.Length)
{
StorageItem storage_count = engine.Snapshot.Storages.GetAndChange(CreateStorageKey(Prefix_ValidatorsCount), () => new StorageItem
{
Value = new ValidatorsCountState().ToByteArray()
});
ValidatorsCountState state_count = ValidatorsCountState.FromByteArray(storage_count.Value);
if (state_account.Votes.Length > 0)
{
state_count.Votes[state_account.Votes.Length - 1] -= state_account.Balance;
}
if (pubkeys.Length > 0)
{
state_count.Votes[pubkeys.Length - 1] += state_account.Balance;
}
storage_count.Value = state_count.ToByteArray();
}
state_account.Votes = pubkeys;
storage_account.Value = state_account.ToByteArray();
foreach (ECPoint pubkey in state_account.Votes)
{
StorageItem storage_validator = engine.Snapshot.Storages.GetAndChange(CreateStorageKey(Prefix_Validator, pubkey.ToArray()));
ValidatorState state_validator = ValidatorState.FromByteArray(storage_validator.Value);
state_validator.Votes += state_account.Balance;
storage_validator.Value = state_validator.ToByteArray();
}
return(true);
}
private StackItem GetNextBlockValidators(ApplicationEngine engine, VMArray args)
{
return(GetNextBlockValidators(engine.Snapshot).Select(p => (StackItem)p.ToArray()).ToList());
}
private StackItem GetRegisteredValidators(ApplicationEngine engine, VMArray args)
{
return(GetRegisteredValidators(engine.Snapshot).Select(p => new Struct(new StackItem[] { p.PublicKey.ToArray(), p.Votes })).ToArray());
}
private StackItem RegisterValidator(ApplicationEngine engine, VMArray args)
{
ECPoint pubkey = args[0].GetByteArray().AsSerializable <ECPoint>();
return(RegisterValidator(engine.Snapshot, pubkey));
}
private static StackItem DeserializeStackItem(BinaryReader reader, uint maxArraySize, uint maxItemSize)
{
Stack <StackItem> deserialized = new Stack <StackItem>();
int undeserialized = 1;
while (undeserialized-- > 0)
{
StackItemType type = (StackItemType)reader.ReadByte();
switch (type)
{
case StackItemType.ByteArray:
deserialized.Push(new ByteArray(reader.ReadVarBytes((int)maxItemSize)));
break;
case StackItemType.Boolean:
deserialized.Push(new VMBoolean(reader.ReadBoolean()));
break;
case StackItemType.Integer:
deserialized.Push(new Integer(new BigInteger(reader.ReadVarBytes(ExecutionEngine.MaxSizeForBigInteger))));
break;
case StackItemType.Array:
case StackItemType.Struct:
{
int count = (int)reader.ReadVarInt(maxArraySize);
deserialized.Push(new ContainerPlaceholder
{
Type = type,
ElementCount = count
});
undeserialized += count;
}
break;
case StackItemType.Map:
{
int count = (int)reader.ReadVarInt(maxArraySize);
deserialized.Push(new ContainerPlaceholder
{
Type = type,
ElementCount = count
});
undeserialized += count * 2;
}
break;
default:
throw new FormatException();
}
}
Stack <StackItem> stack_temp = new Stack <StackItem>();
while (deserialized.Count > 0)
{
StackItem item = deserialized.Pop();
if (item is ContainerPlaceholder placeholder)
{
switch (placeholder.Type)
{
case StackItemType.Array:
VMArray array = new VMArray();
for (int i = 0; i < placeholder.ElementCount; i++)
{
array.Add(stack_temp.Pop());
}
item = array;
break;
case StackItemType.Struct:
Struct @struct = new Struct();
for (int i = 0; i < placeholder.ElementCount; i++)
{
@struct.Add(stack_temp.Pop());
}
item = @struct;
break;
case StackItemType.Map:
Map map = new Map();
for (int i = 0; i < placeholder.ElementCount; i++)
{
StackItem key = stack_temp.Pop();
StackItem value = stack_temp.Pop();
map.Add(key, value);
}
item = map;
break;
}
}
stack_temp.Push(item);
}
return(stack_temp.Peek());
}