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; }