public void GetStatesReturnsEarlyForNonexistentAccount()
{
var tracker = new StoreTracker(_fx.Store);
var chain = new BlockChain <DumbAction>(
new NullPolicy <DumbAction>(),
tracker
);
Block <DumbAction> b = TestUtils.MineGenesis <DumbAction>();
chain.Append(b);
for (int i = 0; i < 20; ++i)
{
b = TestUtils.MineNext(b);
chain.Append(b);
}
tracker.ClearLogs();
Address nonexistent = new PrivateKey().PublicKey.ToAddress();
AddressStateMap result = chain.GetStates(new[] { nonexistent });
Assert.False(result.ContainsKey(nonexistent));
var callCount = tracker.Logs.Where(
triple => triple.Item1.Equals("GetBlockStates")
).Select(triple => triple.Item2).Count();
Assert.True(
callCount <= 1,
$"GetBlocksStates() was called {callCount} times"
);
}
public void GetStatesOnlyDrillsDownUntilRequestedAddressesAreFound()
{
var tracker = new StoreTracker(_fx.Store);
var chain = new BlockChain <DumbAction>(
new NullPolicy <DumbAction>(),
tracker
);
Block <DumbAction> b = TestUtils.MineGenesis <DumbAction>();
chain.Append(b);
Address[] addresses = new Address[30];
for (int i = 0; i < addresses.Length; ++i)
{
var privateKey = new PrivateKey();
Address address = privateKey.PublicKey.ToAddress();
addresses[i] = address;
DumbAction[] actions =
{
new DumbAction(address, "foo"),
new DumbAction(i < 1 ? address : addresses[i - 1], "bar"),
};
Transaction <DumbAction>[] txs =
{
Transaction <DumbAction> .Create(privateKey, actions),
};
b = TestUtils.MineNext(b, txs);
chain.Append(b);
}
tracker.ClearLogs();
int testingDepth = addresses.Length / 2;
Address[] targetAddresses = Enumerable.Range(
testingDepth,
Math.Min(10, addresses.Length - testingDepth - 1)
).Select(i => addresses[i]).ToArray();
AddressStateMap result = chain.GetStates(targetAddresses);
string resultString = string.Join(", ", result.Keys);
string targetString = string.Join(", ", targetAddresses);
string message =
$"The result dictionary ({resultString}) does not " +
$"cover all requested addresses ({targetString}).";
foreach (Address targetAddress in targetAddresses)
{
Assert.True(result.ContainsKey(targetAddress), message);
}
var callCount = tracker.Logs.Where(
triple => triple.Item1.Equals("GetBlockStates")
).Select(triple => triple.Item2).Count();
Assert.True(testingDepth >= callCount);
}