public void Keep_in_cache()
{
StateProvider provider = new StateProvider(new StateDb(new MemDb()), Substitute.For <IDb>(), Logger);
provider.CreateAccount(_address1, 0);
provider.Commit(Frontier.Instance);
provider.GetBalance(_address1);
provider.AddToBalance(_address1, 1, Frontier.Instance);
provider.Restore(-1);
provider.AddToBalance(_address1, 1, Frontier.Instance);
provider.Restore(-1);
provider.AddToBalance(_address1, 1, Frontier.Instance);
provider.Restore(-1);
Assert.AreEqual(UInt256.Zero, provider.GetBalance(_address1));
}
public void Keep_in_cache()
{
StateProvider provider = new StateProvider(new StateTree(new MemDb()), Substitute.For <IDb>(), Logger);
provider.CreateAccount(_address1, 0);
provider.Commit(Frontier.Instance);
provider.GetBalance(_address1);
provider.UpdateBalance(_address1, 1, Frontier.Instance);
provider.Restore(-1);
provider.UpdateBalance(_address1, 1, Frontier.Instance);
provider.Restore(-1);
provider.UpdateBalance(_address1, 1, Frontier.Instance);
provider.Restore(-1);
Assert.AreEqual(new BigInteger(0), provider.GetBalance(_address1));
}
public void Restore_update_restore()
{
StateProvider provider = new StateProvider(new StateDb(new MemDb()), Substitute.For <IDb>(), Logger);
provider.CreateAccount(_address1, 0);
provider.AddToBalance(_address1, 1, Frontier.Instance);
provider.AddToBalance(_address1, 1, Frontier.Instance);
provider.AddToBalance(_address1, 1, Frontier.Instance);
provider.AddToBalance(_address1, 1, Frontier.Instance);
provider.AddToBalance(_address1, 1, Frontier.Instance);
provider.AddToBalance(_address1, 1, Frontier.Instance);
provider.AddToBalance(_address1, 1, Frontier.Instance);
provider.AddToBalance(_address1, 1, Frontier.Instance);
provider.Restore(4);
provider.AddToBalance(_address1, 1, Frontier.Instance);
provider.AddToBalance(_address1, 1, Frontier.Instance);
provider.AddToBalance(_address1, 1, Frontier.Instance);
provider.AddToBalance(_address1, 1, Frontier.Instance);
provider.AddToBalance(_address1, 1, Frontier.Instance);
provider.AddToBalance(_address1, 1, Frontier.Instance);
provider.AddToBalance(_address1, 1, Frontier.Instance);
provider.AddToBalance(_address1, 1, Frontier.Instance);
provider.Restore(4);
Assert.AreEqual((UInt256)4, provider.GetBalance(_address1));
}
public void Balance_is_not_changed_on_call_and_restore()
{
long gasLimit = 100000;
Transaction tx = Build.A.Transaction.SignedAndResolved(_ethereumEcdsa, TestItem.PrivateKeyA, _isEip155Enabled).WithValue(1.Ether() - (UInt256)gasLimit).WithGasPrice(1).WithGasLimit(gasLimit).TestObject;
Block block = Build.A.Block.WithNumber(1).WithTransactions(tx).WithGasLimit(gasLimit).TestObject;
_transactionProcessor.CallAndRestore(tx, block.Header, NullTxTracer.Instance);
_stateProvider.GetBalance(TestItem.PrivateKeyA.Address).Should().Be(1.Ether());
}
public void Touch_empty_trace_does_not_throw()
{
ParityLikeTxTracer tracer = new ParityLikeTxTracer(Build.A.Block.TestObject, null, ParityTraceTypes.StateDiff);
StateProvider provider = new StateProvider(new StateDb(new MemDb()), Substitute.For <IDb>(), Logger);
provider.CreateAccount(_address1, 0);
Account account = provider.GetAccount(_address1);
Assert.True(account.IsEmpty);
provider.Commit(Frontier.Instance); // commit empty account (before the empty account fix in Spurious Dragon)
Assert.True(provider.AccountExists(_address1));
provider.Reset(); // clear all caches
provider.GetBalance(_address1); // justcache
provider.AddToBalance(_address1, 0, SpuriousDragon.Instance); // touch
Assert.DoesNotThrow(() => provider.Commit(SpuriousDragon.Instance, tracer));
}
public void Restore_in_the_middle()
{
byte[] code = new byte[] { 1 };
StateProvider provider = new StateProvider(new StateDb(new MemDb()), Substitute.For <IDb>(), Logger);
provider.CreateAccount(_address1, 1);
provider.AddToBalance(_address1, 1, Frontier.Instance);
provider.IncrementNonce(_address1);
Keccak codeHash = provider.UpdateCode(new byte[] { 1 });
provider.UpdateCodeHash(_address1, codeHash, Frontier.Instance);
provider.UpdateStorageRoot(_address1, Hash2);
Assert.AreEqual(UInt256.One, provider.GetNonce(_address1));
Assert.AreEqual(UInt256.One + 1, provider.GetBalance(_address1));
Assert.AreEqual(code, provider.GetCode(_address1));
provider.Restore(4);
Assert.AreEqual(UInt256.One, provider.GetNonce(_address1));
Assert.AreEqual(UInt256.One + 1, provider.GetBalance(_address1));
Assert.AreEqual(code, provider.GetCode(_address1));
provider.Restore(3);
Assert.AreEqual(UInt256.One, provider.GetNonce(_address1));
Assert.AreEqual(UInt256.One + 1, provider.GetBalance(_address1));
Assert.AreEqual(code, provider.GetCode(_address1));
provider.Restore(2);
Assert.AreEqual(UInt256.One, provider.GetNonce(_address1));
Assert.AreEqual(UInt256.One + 1, provider.GetBalance(_address1));
Assert.AreEqual(new byte[0], provider.GetCode(_address1));
provider.Restore(1);
Assert.AreEqual(UInt256.Zero, provider.GetNonce(_address1));
Assert.AreEqual(UInt256.One + 1, provider.GetBalance(_address1));
Assert.AreEqual(new byte[0], provider.GetCode(_address1));
provider.Restore(0);
Assert.AreEqual(UInt256.Zero, provider.GetNonce(_address1));
Assert.AreEqual(UInt256.One, provider.GetBalance(_address1));
Assert.AreEqual(new byte[0], provider.GetCode(_address1));
provider.Restore(-1);
Assert.AreEqual(false, provider.AccountExists(_address1));
}
