public void Repository_CommitAndRollbackTest()
{
ISource <byte[], byte[]> stateDB = new NoDeleteSource <byte[], byte[]>(new MemoryDictionarySource());
ContractStateRoot repository = new ContractStateRoot(stateDB);
IContractState txTrack = repository.StartTracking();
txTrack.CreateAccount(testAddress);
txTrack.SetStorageValue(testAddress, dog, cat);
txTrack.Commit();
repository.Commit();
byte[] root1 = repository.Root;
IContractState txTrack2 = repository.StartTracking();
txTrack2.SetStorageValue(testAddress, dog, fish);
txTrack2.Rollback();
IContractState txTrack3 = repository.StartTracking();
txTrack3.SetStorageValue(testAddress, dodecahedron, bird);
txTrack3.Commit();
repository.Commit();
byte[] upToDateRoot = repository.Root;
Assert.Equal(cat, repository.GetStorageValue(testAddress, dog));
Assert.Equal(bird, repository.GetStorageValue(testAddress, dodecahedron));
IContractState snapshot = repository.GetSnapshotTo(root1);
repository.SyncToRoot(root1);
Assert.Equal(cat, snapshot.GetStorageValue(testAddress, dog));
Assert.Null(snapshot.GetStorageValue(testAddress, dodecahedron));
}
public void VM_CreateContract_WithParameters()
{
//Get the contract execution code------------------------
SmartContractCompilationResult compilationResult =
SmartContractCompiler.CompileFile("SmartContracts/Auction.cs");
Assert.True(compilationResult.Success);
byte[] contractExecutionCode = compilationResult.Compilation;
//-------------------------------------------------------
//Set the calldata for the transaction----------
var methodParameters = new object[] { (ulong)5 };
var callData = new CreateData((Gas)5000000, contractExecutionCode, methodParameters);
Money value = Money.Zero;
//-------------------------------------------------------
var repository = new ContractStateRoot(new NoDeleteSource <byte[], byte[]>(new MemoryDictionarySource()));
IContractState track = repository.StartTracking();
var gasMeter = new GasMeter(callData.GasLimit);
var transactionContext = new TransactionContext(
txHash: uint256.One,
blockHeight: 1,
coinbase: TestAddress.ToUint160(this.network),
sender: TestAddress.ToUint160(this.network),
amount: value
);
VmExecutionResult result = this.vm.Create(gasMeter,
repository,
callData,
transactionContext);
track.Commit();
var endBlockValue = track.GetStorageValue(result.NewContractAddress,
Encoding.UTF8.GetBytes("EndBlock"));
Assert.Equal(6, BitConverter.ToInt16(endBlockValue, 0));
Assert.Equal(TestAddress.ToUint160(this.network).ToBytes(), track.GetStorageValue(result.NewContractAddress, Encoding.UTF8.GetBytes("Owner")));
}
public void VM_ExecuteContract_WithParameters()
{
//Get the contract execution code------------------------
SmartContractCompilationResult compilationResult = SmartContractCompiler.CompileFile("SmartContracts/StorageTestWithParameters.cs");
Assert.True(compilationResult.Success);
byte[] contractExecutionCode = compilationResult.Compilation;
//-------------------------------------------------------
//Set the calldata for the transaction----------
var methodParameters = new object[] { (short)5 };
var callData = new CallData((Gas)5000000, new uint160(1), "StoreData", methodParameters);
Money value = Money.Zero;
//-------------------------------------------------------
var repository = new ContractStateRoot(new NoDeleteSource <byte[], byte[]>(new MemoryDictionarySource()));
IContractState track = repository.StartTracking();
var gasMeter = new GasMeter(callData.GasLimit);
uint160 address = TestAddress.ToUint160(this.network);
var transactionContext = new TransactionContext(uint256.One, 1, address, address, value);
repository.SetCode(callData.ContractAddress, contractExecutionCode);
repository.SetContractType(callData.ContractAddress, "StorageTestWithParameters");
VmExecutionResult result = this.vm.ExecuteMethod(gasMeter,
repository,
callData,
transactionContext);
track.Commit();
Assert.Equal(5, BitConverter.ToInt16(track.GetStorageValue(callData.ContractAddress, Encoding.UTF8.GetBytes("orders")), 0));
Assert.Equal(5, BitConverter.ToInt16(repository.GetStorageValue(callData.ContractAddress, Encoding.UTF8.GetBytes("orders")), 0));
}