public void Serialize_WrongJson()
{
Assert.ThrowsException <FormatException>(() => JsonSerializer.Serialize(StackItem.FromInterface(new object())));
}
private bool Contract_Migrate(ExecutionEngine engine)
{
byte[] script = engine.EvaluationStack.Pop().GetByteArray();
if (script.Length > 1024 * 1024)
{
return(false);
}
ContractParameterType[] parameter_list = engine.EvaluationStack.Pop().GetByteArray().Select(p => (ContractParameterType)p).ToArray();
if (parameter_list.Length > 252)
{
return(false);
}
ContractParameterType return_type = (ContractParameterType)(byte)engine.EvaluationStack.Pop().GetBigInteger();
bool need_storage = engine.EvaluationStack.Pop().GetBoolean();
if (engine.EvaluationStack.Peek().GetByteArray().Length > 252)
{
return(false);
}
string name = Encoding.UTF8.GetString(engine.EvaluationStack.Pop().GetByteArray());
if (engine.EvaluationStack.Peek().GetByteArray().Length > 252)
{
return(false);
}
string version = Encoding.UTF8.GetString(engine.EvaluationStack.Pop().GetByteArray());
if (engine.EvaluationStack.Peek().GetByteArray().Length > 252)
{
return(false);
}
string author = Encoding.UTF8.GetString(engine.EvaluationStack.Pop().GetByteArray());
if (engine.EvaluationStack.Peek().GetByteArray().Length > 252)
{
return(false);
}
string email = Encoding.UTF8.GetString(engine.EvaluationStack.Pop().GetByteArray());
if (engine.EvaluationStack.Peek().GetByteArray().Length > 65536)
{
return(false);
}
string description = Encoding.UTF8.GetString(engine.EvaluationStack.Pop().GetByteArray());
UInt160 hash = script.ToScriptHash();
ContractState contract = contracts.TryGet(hash);
if (contract == null)
{
contract = new ContractState
{
Script = script,
ParameterList = parameter_list,
ReturnType = return_type,
HasStorage = need_storage,
Name = name,
CodeVersion = version,
Author = author,
Email = email,
Description = description
};
contracts.Add(hash, contract);
contracts_created.Add(hash, new UInt160(engine.CurrentContext.ScriptHash));
if (need_storage)
{
foreach (var pair in storages.Find(engine.CurrentContext.ScriptHash).ToArray())
{
storages.Add(new StorageKey
{
ScriptHash = hash,
Key = pair.Key.Key
}, new StorageItem
{
Value = pair.Value.Value
});
}
}
}
engine.EvaluationStack.Push(StackItem.FromInterface(contract));
return(true);
}
private static bool Block_GetTransactions(ApplicationEngine engine)
{
if (engine.CurrentContext.EvaluationStack.Pop() is InteropInterface _interface)
{
Block block = _interface.GetInterface <Block>();
if (block == null)
{
return(false);
}
if (block.Transactions.Length > engine.MaxArraySize)
{
return(false);
}
engine.CurrentContext.EvaluationStack.Push(block.Transactions.Select(p => StackItem.FromInterface(p)).ToArray());
return(true);
}
return(false);
}
private bool Asset_Create(ExecutionEngine engine)
{
InvocationTransaction tx = (InvocationTransaction)engine.ScriptContainer;
AssetType asset_type = (AssetType)(byte)engine.EvaluationStack.Pop().GetBigInteger();
if (!Enum.IsDefined(typeof(AssetType), asset_type) || asset_type == AssetType.CreditFlag || asset_type == AssetType.DutyFlag || asset_type == AssetType.GoverningToken || asset_type == AssetType.UtilityToken)
{
return(false);
}
if (engine.EvaluationStack.Peek().GetByteArray().Length > 1024)
{
return(false);
}
string name = Encoding.UTF8.GetString(engine.EvaluationStack.Pop().GetByteArray());
Fixed8 amount = new Fixed8((long)engine.EvaluationStack.Pop().GetBigInteger());
if (amount == Fixed8.Zero || amount < -Fixed8.Satoshi)
{
return(false);
}
if (asset_type == AssetType.Invoice && amount != -Fixed8.Satoshi)
{
return(false);
}
byte precision = (byte)engine.EvaluationStack.Pop().GetBigInteger();
if (precision > 8)
{
return(false);
}
if (asset_type == AssetType.Share && precision != 0)
{
return(false);
}
if (amount != -Fixed8.Satoshi && amount.GetData() % (long)Math.Pow(10, 8 - precision) != 0)
{
return(false);
}
ECPoint owner = ECPoint.DecodePoint(engine.EvaluationStack.Pop().GetByteArray(), ECCurve.Secp256r1);
if (owner.IsInfinity)
{
return(false);
}
if (!CheckWitness(engine, owner))
{
return(false);
}
UInt160 admin = new UInt160(engine.EvaluationStack.Pop().GetByteArray());
UInt160 issuer = new UInt160(engine.EvaluationStack.Pop().GetByteArray());
AssetState asset = assets.GetOrAdd(tx.Hash, () => new AssetState
{
AssetId = tx.Hash,
AssetType = asset_type,
Name = name,
Amount = amount,
Available = Fixed8.Zero,
Precision = precision,
Fee = Fixed8.Zero,
FeeAddress = new UInt160(),
Owner = owner,
Admin = admin,
Issuer = issuer,
Expiration = Blockchain.Default.Height + 1 + 2000000,
IsFrozen = false
});
engine.EvaluationStack.Push(StackItem.FromInterface(asset));
return(true);
}
private static bool ExecutionEngine_GetScriptContainer(ApplicationEngine engine)
{
engine.CurrentContext.EvaluationStack.Push(StackItem.FromInterface(engine.ScriptContainer));
return(true);
}
