public void Test20DBreeze()
{
DBreezeEngine engine = new DBreezeEngine(DbreezeTestLocation);
using (DBreeze.Transactions.Transaction t = engine.GetTransaction())
{
t.RemoveAllKeys(DbreezeTestDb, true);
t.Commit();
}
ISource <byte[], byte[]> stateDB = new NoDeleteSource <byte[], byte[]>(new DBreezeByteStore(engine, DbreezeTestDb));
ContractStateRoot repository = new ContractStateRoot(stateDB);
byte[] root = repository.Root;
uint160 cowAddress = new uint160(cow);
uint160 horseAddress = new uint160(horse);
IContractState track2 = repository.StartTracking(); //repository
track2.SetStorageValue(cowAddress, cowKey1, cowVal1);
track2.SetStorageValue(horseAddress, horseKey1, horseVal1);
track2.Commit();
repository.Commit();
byte[] root2 = repository.Root;
track2 = repository.StartTracking(); //repository
track2.SetStorageValue(cowAddress, cowKey2, cowVal0);
track2.SetStorageValue(horseAddress, horseKey2, horseVal0);
track2.Commit();
repository.Commit();
byte[] root3 = repository.Root;
IContractState snapshot = new ContractStateRoot(stateDB, root);
Assert.Null(snapshot.GetStorageValue(cowAddress, cowKey1));
Assert.Null(snapshot.GetStorageValue(cowAddress, cowKey2));
Assert.Null(snapshot.GetStorageValue(horseAddress, horseKey1));
Assert.Null(snapshot.GetStorageValue(horseAddress, horseKey2));
snapshot = new ContractStateRoot(stateDB, root2);
Assert.Equal(cowVal1, snapshot.GetStorageValue(cowAddress, cowKey1));
Assert.Null(snapshot.GetStorageValue(cowAddress, cowKey2));
Assert.Equal(horseVal1, snapshot.GetStorageValue(horseAddress, horseKey1));
Assert.Null(snapshot.GetStorageValue(horseAddress, horseKey2));
snapshot = new ContractStateRoot(stateDB, root3);
Assert.Equal(cowVal1, snapshot.GetStorageValue(cowAddress, cowKey1));
Assert.Equal(cowVal0, snapshot.GetStorageValue(cowAddress, cowKey2));
Assert.Equal(horseVal1, snapshot.GetStorageValue(horseAddress, horseKey1));
Assert.Equal(horseVal0, snapshot.GetStorageValue(horseAddress, horseKey2));
}
public void Test4()
{
MemoryDictionarySource source = new MemoryDictionarySource();
ContractStateRoot root = new ContractStateRoot(source);
IContractState repository = root.StartTracking();
repository.SetStorageValue(new uint160(cow), cowKey, cowValue);
repository.SetStorageValue(new uint160(horse), horseKey, horseValue);
repository.Commit();
Assert.Equal(cowValue, root.GetStorageValue(new uint160(cow), cowKey));
Assert.Equal(horseValue, root.GetStorageValue(new uint160(horse), horseKey));
}
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 Test20()
{
ISource <byte[], byte[]> stateDB = new NoDeleteSource <byte[], byte[]>(new MemoryDictionarySource());
ContractStateRoot repository = new ContractStateRoot(stateDB);
byte[] root = repository.Root;
uint160 cowAddress = new uint160(cow);
uint160 horseAddress = new uint160(horse);
IContractState track2 = repository.StartTracking(); //repository
track2.SetStorageValue(cowAddress, cowKey1, cowVal1);
track2.SetStorageValue(horseAddress, horseKey1, horseVal1);
track2.Commit();
repository.Commit();
byte[] root2 = repository.Root;
track2 = repository.StartTracking(); //repository
track2.SetStorageValue(cowAddress, cowKey2, cowVal0);
track2.SetStorageValue(horseAddress, horseKey2, horseVal0);
track2.Commit();
repository.Commit();
byte[] root3 = repository.Root;
IContractState snapshot = new ContractStateRoot(stateDB, root);
Assert.Null(snapshot.GetStorageValue(cowAddress, cowKey1));
Assert.Null(snapshot.GetStorageValue(cowAddress, cowKey2));
Assert.Null(snapshot.GetStorageValue(horseAddress, horseKey1));
Assert.Null(snapshot.GetStorageValue(horseAddress, horseKey2));
snapshot = new ContractStateRoot(stateDB, root2);
Assert.Equal(cowVal1, snapshot.GetStorageValue(cowAddress, cowKey1));
Assert.Null(snapshot.GetStorageValue(cowAddress, cowKey2));
Assert.Equal(horseVal1, snapshot.GetStorageValue(horseAddress, horseKey1));
Assert.Null(snapshot.GetStorageValue(horseAddress, horseKey2));
snapshot = new ContractStateRoot(stateDB, root3);
Assert.Equal(cowVal1, snapshot.GetStorageValue(cowAddress, cowKey1));
Assert.Equal(cowVal0, snapshot.GetStorageValue(cowAddress, cowKey2));
Assert.Equal(horseVal1, snapshot.GetStorageValue(horseAddress, horseKey1));
Assert.Equal(horseVal0, snapshot.GetStorageValue(horseAddress, horseKey2));
}
public void Repository_CommitPushesToUnderlyingSource()
{
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);
Assert.Null(repository.GetStorageValue(testAddress, dog));
txTrack.Commit();
Assert.Equal(cat, repository.GetStorageValue(testAddress, dog));
}
