public static ApplicationEngine Run(byte[] script, IScriptContainer container = null, Block persistingBlock = null, bool testMode = false, Fixed8 extraGAS = default(Fixed8))
{
using (Snapshot snapshot = Blockchain.Singleton.GetSnapshot())
{
return(Run(script, snapshot, container, persistingBlock, testMode, extraGAS));
}
}
public static SimpleApplicationEngine Run(byte[] script, Store store, IScriptContainer container = null, Block persistingBlock = null, bool testMode = false, Fixed8 extraGAS = default(Fixed8))
{
using (Snapshot snapshot = store.GetSnapshot())
{
return(Run(script, snapshot as DbSnapshot, container, persistingBlock, testMode, extraGAS));
}
}
public ApplicationEngine(TriggerType trigger, IScriptContainer container, IScriptTable table, InteropService service, Fixed8 gas, bool testMode = false)
: base(container, Cryptography.Crypto.Default, table, service)
{
this.gas_amount = gas_free + gas.GetData();
this.testMode = testMode;
this.Trigger = trigger;
}
public ExecutionEngine(IScriptContainer container, ICryptography crypto, IScriptTable table = null, InteropService service = null)
{
this.ScriptContainer = container;
this.Crypto = crypto;
this.table = table;
this.Service = service ?? new InteropService();
}
public static ApplicationEngine Run(byte[] script, Blockchain blockchain, IScriptContainer container = null, Block persistingBlock = null, bool testMode = false)
{
using (Snapshot snapshot = blockchain.GetSnapshot())
{
return(Run(script, snapshot, container, persistingBlock, testMode));
}
}
public static ApplicationEngine Run(byte[] script, IScriptContainer container = null, Block persisting_block = null)
{
if (persisting_block == null)
{
persisting_block = new Block
{
Version = 0,
PrevHash = Blockchain.Default.CurrentBlockHash,
MerkleRoot = new UInt256(),
Timestamp = Blockchain.Default.GetHeader(Blockchain.Default.Height).Timestamp + Blockchain.SecondsPerBlock,
Index = Blockchain.Default.Height + 1,
ConsensusData = 0,
NextConsensus = Blockchain.Default.GetHeader(Blockchain.Default.Height).NextConsensus,
Script = new Witness
{
InvocationScript = new byte[0],
VerificationScript = new byte[0]
},
Transactions = new Transaction[0]
}
}
;
DataCache <UInt160, AccountState> accounts = Blockchain.Default.GetStates <UInt160, AccountState>();
DataCache <UInt256, AssetState> assets = Blockchain.Default.GetStates <UInt256, AssetState>();
DataCache <UInt160, ContractState> contracts = Blockchain.Default.GetStates <UInt160, ContractState>();
DataCache <StorageKey, StorageItem> storages = Blockchain.Default.GetStates <StorageKey, StorageItem>();
CachedScriptTable script_table = new CachedScriptTable(contracts);
StateMachine service = new StateMachine(persisting_block, accounts, assets, contracts, storages);
ApplicationEngine engine = new ApplicationEngine(TriggerType.Application, container, script_table, service, Fixed8.Zero, true);
engine.LoadScript(script, false);
engine.Execute();
return(engine);
}
public ApplicationEngine(TriggerType trigger, IScriptContainer container, Snapshot snapshot, Fixed8 gas, bool testMode = false)
: base(container, Cryptography.Crypto.Default, snapshot, new NeoService(trigger, snapshot))
{
this.gas_amount = gas_free + gas.GetData();
this.testMode = testMode;
this.snapshot = snapshot;
}
public static ApplicationEngine Run(byte[] script, Snapshot snapshot,
IScriptContainer container = null, Block persistingBlock = null, bool testMode = false, Fixed8 extraGAS = default(Fixed8))
{
snapshot.PersistingBlock = persistingBlock ?? snapshot.PersistingBlock ?? new Block
{
Version = 0,
PrevHash = snapshot.CurrentBlockHash,
MerkleRoot = new UInt256(),
Timestamp = snapshot.Blocks[snapshot.CurrentBlockHash].TrimmedBlock.Timestamp + Blockchain.SecondsPerBlock,
Index = snapshot.Height + 1,
ConsensusData = 0,
NextConsensus = snapshot.Blocks[snapshot.CurrentBlockHash].TrimmedBlock.NextConsensus,
Witness = new Witness
{
InvocationScript = new byte[0],
VerificationScript = new byte[0]
},
Transactions = new Transaction[0]
};
ApplicationEngine engine = new ApplicationEngine(TriggerType.Application, container, snapshot, extraGAS, testMode);
engine.LoadScript(script);
engine.Execute();
return(engine);
}
/// <summary>
/// INIT HISTORY OF TRANSACTIONS
/// </summary>
/// <param name="scriptHash"></param>
/// <param name="value"></param>
/// <param name="inputAmount"></param>
public static void InitTransactionContext(string scriptHash, int value)
{
Transaction initialTransaction = new CustomTransaction(TransactionType.ContractTransaction);
Transaction currentTransaction = new CustomTransaction(TransactionType.ContractTransaction);
TransactionOutput transactionOutput;
CoinReference coinRef;
/** CREATE FAKE PREVIOUS TRANSACTION */
transactionOutput = new TransactionOutput
{
ScriptHash = UInt160.Parse(scriptHash),
Value = new Fixed8(value),
AssetId = UInt256.Parse(NEO_ASSET_ID)
};
initialTransaction.Outputs = new TransactionOutput[] { transactionOutput };
/** CREATE FAKE CURRENT TRANSACTION */
coinRef = new CoinReference
{
PrevHash = initialTransaction.Hash,
PrevIndex = 0
};
currentTransaction.Inputs = new CoinReference[] { coinRef };
/**INIT CONTEXT*/
service.transactions[initialTransaction.Hash] = initialTransaction;
service.transactions[currentTransaction.Hash] = currentTransaction;
scriptContainer = initialTransaction;
}
/// <summary>
/// Execute this test
/// </summary>
/// <param name="ut">Test</param>
public void ExecuteTest(VMUT ut)
{
foreach (var test in ut.Tests)
{
// Interop service
IInteropService service = new InteropService();
// Message provider
IScriptContainer scriptContainer = null;
if (test.Message != null)
{
scriptContainer = new MessageProvider(test.Message);
}
// Create engine
using (var engine = new ExecutionEngine(scriptContainer, Crypto.Default, service))
{
Debugger debugger = new Debugger(engine);
engine.LoadScript(test.Script);
// Execute Steps
if (test.Steps != null)
{
foreach (var step in test.Steps)
{
// Actions
if (step.Actions != null)
{
foreach (var run in step.Actions)
{
switch (run)
{
case VMUTActionType.Execute: debugger.Execute(); break;
case VMUTActionType.StepInto: debugger.StepInto(); break;
case VMUTActionType.StepOut: debugger.StepOut(); break;
case VMUTActionType.StepOver: debugger.StepOver(); break;
}
}
}
// Review results
var add = string.IsNullOrEmpty(step.Name) ? "" : "-" + step.Name;
AssertResult(engine, step.Result, $"{ut.Category}-{ut.Name}-{test.Name}{add}: ");
}
}
}
}
}
public ExecutionEngine(IScriptContainer container, ICrypto crypto, int max_steps, IScriptTable table = null, InteropService service = null)
{
this.ScriptContainer = container;
this.Crypto = crypto;
this.table = table;
this.service = service ?? new InteropService();
this.max_steps = max_steps;
}
public NotifyEventArgs(IScriptContainer container, UInt160 script_hash, StackItem state)
{
TR.Enter();
this.ScriptContainer = container;
this.ScriptHash = script_hash;
this.State = state;
TR.Exit();
}
public ApplicationEngine(TriggerType trigger, IScriptContainer container, Snapshot snapshot, Fixed8 gas, bool testMode = false)
: base(container, Cryptography.Crypto.Default, snapshot, new NeoService(trigger, snapshot))
{
if (snapshot.Height < Blockchain.FreeGasChangeHeight)
{
this.gas_amount = gas_free + gas.GetData();
}
else
{
this.gas_amount = gas_free_new + gas.GetData();
}
this.testMode = testMode;
this.snapshot = snapshot;
}
public static ApplicationEngine Run(byte[] script, IScriptContainer container = null)
{
DataCache <UInt160, AccountState> accounts = blockchain.GetTable <UInt160, AccountState>();
DataCache <ECPoint, ValidatorState> validators = blockchain.GetTable <ECPoint, ValidatorState>();
DataCache <UInt256, AssetState> assets = blockchain.GetTable <UInt256, AssetState>();
DataCache <UInt160, ContractState> contracts = blockchain.GetTable <UInt160, ContractState>();
DataCache <StorageKey, StorageItem> storages = blockchain.GetTable <StorageKey, StorageItem>();
CachedScriptTable script_table = new CachedScriptTable(contracts);
StateMachine service = new StateMachine(accounts, validators, assets, contracts, storages);
ApplicationEngine engine = new ApplicationEngine(TriggerType.Application, container, script_table, service, Fixed8.Zero, true);
engine.LoadScript(script, false);
return(engine.Execute() ? engine : null);
}
/// <summary>
/// Create Engine from config
/// </summary>
public NeoEngine CreateEngine()
{
IScriptContainer container = null;
DataCache <UInt160, AccountState> accounts;
DataCache <ECPoint, ValidatorState> validators;
DataCache <UInt256, AssetState> assets;
DataCache <UInt160, ContractState> contracts;
DataCache <StorageKey, StorageItem> storages;
if (Blockchain.Default != null && !(Blockchain.Default is NullBlockChain))
{
// Real Blockchain
accounts = Blockchain.Default.CreateCache <UInt160, AccountState>();
validators = Blockchain.Default.CreateCache <ECPoint, ValidatorState>();
assets = Blockchain.Default.CreateCache <UInt256, AssetState>();
contracts = Blockchain.Default.CreateCache <UInt160, ContractState>();
storages = Blockchain.Default.CreateCache <StorageKey, StorageItem>();
}
else
{
// Fake Blockchain
accounts = new NeoFakeDbCache <UInt160, AccountState>();
validators = new NeoFakeDbCache <ECPoint, ValidatorState>();
assets = new NeoFakeDbCache <UInt256, AssetState>();
contracts = new NeoFakeDbCache <UInt160, ContractState>();
storages = new NeoFakeDbCache <StorageKey, StorageItem>();
}
// Create Engine
IScriptTable script_table = new CachedScriptTable(contracts);
StateMachine service = new StateMachine(accounts, validators, assets, contracts, storages);
TriggerType t;
switch (TriggerType)
{
case ETriggerType.Application: t = Neo.SmartContract.TriggerType.Application; break;
case ETriggerType.Verification: t = Neo.SmartContract.TriggerType.Verification; break;
default: return(null);
}
return(new NeoEngine(t, container, script_table, service, Fixed8.Zero, true));
}
public static void InitTransactionContext(string scriptHash, int value, ushort inputAmount = 1)
{
Transaction initialTransaction = new CustomTransaction(TransactionType.ContractTransaction);
Transaction currentTransaction = new CustomTransaction(TransactionType.ContractTransaction);
initialTransaction.Outputs = new TransactionOutput[inputAmount];
currentTransaction.Inputs = new CoinReference[inputAmount];
for (ushort i = 0; i < inputAmount; ++i)
{
/** CREATE FAKE PREVIOUS TRANSACTION */
var transactionOutput = new TransactionOutput
{
ScriptHash = UInt160.Parse(scriptHash),
Value = new Fixed8(value),
AssetId = UInt256.Parse(NEO_ASSET_ID)
};
initialTransaction.Outputs[i] = transactionOutput;
/** CREATE FAKE CURRENT TRANSACTION */
var coinRef = new CoinReference
{
PrevHash = initialTransaction.Hash,
PrevIndex = i
};
currentTransaction.Outputs = new TransactionOutput[1];
currentTransaction.Outputs[0] = new TransactionOutput
{
ScriptHash = UInt160.Parse(scriptHash),
Value = new Fixed8(value),
AssetId = UInt256.Parse(NEO_ASSET_ID)
};
currentTransaction.Inputs[i] = coinRef;
}
/**INIT CONTEXT*/
service.transactions[initialTransaction.Hash] = initialTransaction;
scriptContainer = currentTransaction;
}
public ApplicationEngine(IScriptContainer container, IScriptTable table, StateMachine state, Fixed8 gas)
: base(container, Cryptography.Crypto.Default, table, state)
{
this.gas = gas_free + gas.GetData();
}
public Breadcrumb(ViewContext viewContext, IStyleSheetContainer styleSheetContainer, IScriptContainer scriptContainer, IResponseCapturer responseCapturer)
: base(viewContext, styleSheetContainer, scriptContainer, responseCapturer)
{
SeparatorText = DefaultSeparatorText;
}
public LogEventArgs(IScriptContainer container, UInt160 script_hash, string message)
{
this.ScriptContainer = container;
this.ScriptHash = script_hash;
this.Message = message;
}
public ExecutionEngine(IScriptContainer container, IScriptTable table = null, InteropService service = null)
{
this.ScriptContainer = container;
this.table = table;
this.service = service ?? new InteropService();
}
public DebugExecutionEngine(IScriptContainer container, ScriptTable scriptTable, InteropService interopService)
: base(container, new Crypto(), scriptTable, interopService)
{
this.interopService = interopService;
}
public NeoEngine(TriggerType trigger, IScriptContainer container, IScriptTable table, InteropService service, Fixed8 gas, bool testMode = false)
: base(trigger, container, table, service, gas, testMode)
{
}
public SCTrackerExecutionEngine(RichTextBox LogOutput, IScriptContainer container, ICrypto crypto, IScriptTable table = null, InteropService service = null)
: base(container, crypto, table, service)
{
this.Logger = LogOutput;
}
public NotifyEventArgs(IScriptContainer container, UIntBase script_hash, StackItem state)
{
this.ScriptContainer = container;
this.ScriptHash = script_hash;
this.State = state;
}