public void Returns_empty_byte_code_for_non_existing_accounts()
{
StateProvider provider = new StateProvider(new StateDb(new MemDb()), Substitute.For <IDb>(), Logger);
byte[] code = provider.GetCode(TestItem.AddressA);
code.Should().BeEmpty();
}
public void Returns_empty_byte_code_for_non_existing_accounts()
{
StateProvider provider = new StateProvider(new TrieStore(new MemDb(), Logger), _codeDb, Logger);
byte[] code = provider.GetCode(TestItem.AddressA);
code.Should().BeEmpty();
}
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));
}
