public void Test(TestJson testJson)
{
TestSimulator sim = new(testJson);
ITailGasPriceCalculator tailGas = testJson.TailGasType switch
{
TailGasType.Any => new ConstantTailGasPriceCalculator(0.GWei()),
TailGasType.Constant80 => new ConstantTailGasPriceCalculator(80.GWei()),
_ => throw new ArgumentOutOfRangeException()
};
IBundleSource selector = testJson.SelectorType switch
{
SelectorType.V1 => new V1Selector(sim, sim),
SelectorType.V2 => new V2Selector(sim, sim, tailGas, testJson.MaxGasLimitRatio),
_ => throw new ArgumentOutOfRangeException()
};
IEnumerable <MevBundle> selected = selector.GetBundles(_blockHeader, testJson.GasLimit !.Value);
SimulatedMevBundle[]? simulated = sim.Simulate(_blockHeader, testJson.GasLimit !.Value, selected).ToArray();
long totalGasUsedByBundles = simulated.Sum(s => s.GasUsed);
long gasLeftForTransactions = testJson.GasLimit !.Value - totalGasUsedByBundles;
IEnumerable <Transaction>?txs = sim.GetTransactions(_blockHeader, gasLeftForTransactions);
UInt256 totalProfit = simulated.Aggregate <SimulatedMevBundle, UInt256>(0, (profit, x) => profit + x.Profit);
totalProfit += txs.Aggregate <Transaction, UInt256>(0, (profit, x) => profit + (x.GasPrice * (UInt256)x.GasLimit));
totalProfit.Should().Be(testJson.OptimalProfit !.Value, testJson.Description);
}
void Add <T>(IBundleSource <T> bundleSource)
where T : Bundle
{
var result = bundleSource.GetBundles(GetBundleFactory <T>(), application);
Tuple <object, CreateBundleContainer> existingTuple;
if (bundleSourceResultsByType.TryGetValue(typeof(T), out existingTuple))
{
var existingResult = (IEnumerable <T>)existingTuple.Item1;
var existingAction = existingTuple.Item2;
// Concat the two bundle collections.
// Keep the existing initialization action.
bundleSourceResultsByType[typeof(T)] = Tuple.Create(
(object)existingResult.Concat(result),
existingAction
);
}
else
{
bundleSourceResultsByType[typeof(T)] = Tuple.Create <object, CreateBundleContainer>(
result,
CreateBundleContainer <T>
);
}
}
public V2Selector(
IBundleSource bundleSource,
IBundleSimulator bundleSimulator,
ITailGasPriceCalculator tailGasPriceCalculator,
long maxBundlesGasUsedRatio = 100)
{
_bundleSource = bundleSource;
_bundleSimulator = bundleSimulator;
_tailGasPriceCalculator = tailGasPriceCalculator;
_maxBundlesGasUsedRatio = maxBundlesGasUsedRatio;
}
public V1Selector(IBundleSource bundleSource, IBundleSimulator bundleSimulator)
{
_bundleSource = bundleSource;
_bundleSimulator = bundleSimulator;
}
public BundleTxSource(IBundleSource bundleSource, ITimestamper timestamper, TimeSpan?timeout = null)
{
_bundleSource = bundleSource;
_timestamper = timestamper;
_timeout = timeout ?? DefaultTimeout;
}
