public Task <IBlockProducer> InitBlockProducer(IConsensusPlugin consensusPlugin)
{
if (!Enabled)
{
throw new InvalidOperationException("Account Abstraction plugin is disabled");
}
UInt256 minerBalance = _nethermindApi.StateProvider !.GetBalance(_nethermindApi.EngineSigner !.Address);
if (minerBalance < 1.Ether())
{
if (_logger.IsWarn)
{
_logger.Warn(
$"Account Abstraction Plugin: Miner ({_nethermindApi.EngineSigner!.Address}) Ether balance low - {minerBalance / 1.Ether()} Ether < 1 Ether. Increasing balance is recommended");
}
else
{
if (_logger.IsInfo)
{
_logger.Info(
$"Account Abstraction Plugin: Miner ({_nethermindApi.EngineSigner!.Address}) Ether balance adequate - {minerBalance / 1.Ether()} Ether");
}
}
}
IManualBlockProductionTrigger trigger = new BuildBlocksWhenRequested();
return(consensusPlugin.InitBlockProducer(trigger, UserOperationTxSource));
}
private async Task <MevBlockProducer.MevBlockProducerInfo> CreateProducer(
IConsensusPlugin consensusPlugin,
int bundleLimit = 0,
ITxSource?additionalTxSource = null)
{
bool BundleLimitTriggerCondition(BlockProductionEventArgs e)
{
// TODO: why we are checking parent and not the currently produced block...?
BlockHeader?parent = _nethermindApi.BlockTree !.GetProducedBlockParent(e.ParentHeader);
if (parent is not null)
{
IEnumerable <MevBundle> bundles = BundlePool.GetBundles(parent, _nethermindApi.Timestamper);
return(bundles.Count() >= bundleLimit);
}
return(false);
}
IManualBlockProductionTrigger manualTrigger = new BuildBlocksWhenRequested();
IBlockProductionTrigger trigger = manualTrigger;
if (bundleLimit != 0)
{
trigger = new TriggerWithCondition(manualTrigger, BundleLimitTriggerCondition);
}
IBlockProducer producer = await consensusPlugin.InitBlockProducer(trigger, additionalTxSource);
return(new MevBlockProducer.MevBlockProducerInfo(producer, manualTrigger, new BeneficiaryTracer()));
}
public void Manual_trigger_works()
{
bool triggered = false;
BuildBlocksWhenRequested trigger = new BuildBlocksWhenRequested();
trigger.TriggerBlockProduction += (s, e) => triggered = true;
trigger.BuildBlock();
triggered.Should().BeTrue();
}
public Context()
{
MainBlockProductionTrigger = new BuildBlocksWhenRequested();
BlockProcessingQueue = Substitute.For <IBlockProcessingQueue>();
BlockTree = Substitute.For <IBlockTree>();
Trigger = new BuildBlocksOnlyWhenNotProcessing(MainBlockProductionTrigger, BlockProcessingQueue, BlockTree, LimboLogs.Instance, false);
DefaultBlock = Build.A.Block.TestObject;
Trigger.TriggerBlockProduction += OnTriggerBlockProduction;
}
public void Does_not_trigger_when_empty(int txCount, bool shouldTrigger)
{
var pool = Substitute.For <ITxPool>();
pool.GetPendingTransactions().Returns(new Transaction[txCount]);
bool triggered = false;
BuildBlocksWhenRequested trigger = new BuildBlocksWhenRequested();
IBlockProductionTrigger withCondition = trigger.IfPoolIsNotEmpty(pool);
withCondition.TriggerBlockProduction += (s, e) => triggered = true;
trigger.BuildBlock();
triggered.Should().Be(shouldTrigger);
}
public void On_pending_trigger_works()
{
int triggered = 0;
BuildBlocksWhenRequested trigger1 = new BuildBlocksWhenRequested();
BuildBlocksWhenRequested trigger2 = new BuildBlocksWhenRequested();
IBlockProductionTrigger composite = trigger1.Or(trigger2);
composite.TriggerBlockProduction += (s, e) => triggered++;
trigger1.BuildBlock();
trigger2.BuildBlock();
trigger1.BuildBlock();
trigger2.BuildBlock();
triggered.Should().Be(4);
}
public Task <IBlockProducer> InitBlockProducer(IConsensusPlugin consensusPlugin)
{
if (!Enabled)
{
throw new InvalidOperationException("Account Abstraction plugin is disabled");
}
// init all relevant objects if not already initted
foreach (Address entryPoint in _entryPointContractAddresses)
{
UserOperationPool(entryPoint);
UserOperationSimulator(entryPoint);
UserOperationTxBuilder(entryPoint);
}
_nethermindApi.BlockProducerEnvFactory.TransactionsExecutorFactory =
new AABlockProducerTransactionsExecutorFactory(
_nethermindApi.SpecProvider !,
_nethermindApi.LogManager !,
_nethermindApi.EngineSigner !,
_entryPointContractAddresses.ToArray());
UInt256 minerBalance = _nethermindApi.ChainHeadStateProvider !.GetBalance(_nethermindApi.EngineSigner !.Address);
if (minerBalance < 1.Ether())
{
if (_logger.IsWarn)
{
_logger.Warn(
$"Account Abstraction Plugin: Miner ({_nethermindApi.EngineSigner!.Address}) Ether balance low - {minerBalance / 1.Ether()} Ether < 1 Ether. Increasing balance is recommended");
}
else
{
if (_logger.IsInfo)
{
_logger.Info(
$"Account Abstraction Plugin: Miner ({_nethermindApi.EngineSigner!.Address}) Ether balance adequate - {minerBalance / 1.Ether()} Ether");
}
}
}
IManualBlockProductionTrigger trigger = new BuildBlocksWhenRequested();
return(consensusPlugin.InitBlockProducer(trigger, UserOperationTxSource));
}
protected override IBlockProducer CreateTestBlockProducer(TxPoolTxSource txPoolTxSource, ISealer sealer,
ITransactionComparerProvider transactionComparerProvider)
{
MiningConfig miningConfig = new() { MinGasPrice = UInt256.One };
SpecProvider.UpdateMergeTransitionInfo(1, 0);
BlockProducerEnvFactory blockProducerEnvFactory = new(
DbProvider,
BlockTree,
ReadOnlyTrieStore,
SpecProvider,
BlockValidator,
NoBlockRewards.Instance,
ReceiptStorage,
BlockPreprocessorStep,
TxPool,
transactionComparerProvider,
miningConfig,
LogManager)
{
TransactionsExecutorFactory =
new MevBlockProducerTransactionsExecutorFactory(SpecProvider, LogManager)
};
PostMergeBlockProducer CreatePostMergeBlockProducer(IBlockProductionTrigger blockProductionTrigger,
ITxSource?txSource = null)
{
BlockProducerEnv blockProducerEnv = blockProducerEnvFactory.Create(txSource);
return(new PostMergeBlockProducerFactory(SpecProvider, SealEngine, Timestamper, miningConfig,
LogManager).Create(
blockProducerEnv, blockProductionTrigger, txSource));
}
MevBlockProducer.MevBlockProducerInfo CreateProducer(int bundleLimit = 0,
ITxSource?additionalTxSource = null)
{
// TODO: this could be simplified a lot of the parent was not retrieved, not sure why do we need the parent here
bool BundleLimitTriggerCondition(BlockProductionEventArgs e)
{
// TODO: why do we need this parent? later we use only the current block number
BlockHeader?parent = BlockTree.GetProducedBlockParent(e.ParentHeader);
if (parent is not null)
{
// ToDo resolved conflict parent.Timestamp?
IEnumerable <MevBundle> bundles = BundlePool.GetBundles(parent.Number + 1, parent.Timestamp);
return(bundles.Count() >= bundleLimit);
}
return(false);
}
IManualBlockProductionTrigger manualTrigger = new BuildBlocksWhenRequested();
IBlockProductionTrigger trigger = manualTrigger;
if (bundleLimit != 0)
{
trigger = new TriggerWithCondition(manualTrigger, BundleLimitTriggerCondition);
}
IBlockProducer producer = CreatePostMergeBlockProducer(trigger, additionalTxSource);
return(new MevBlockProducer.MevBlockProducerInfo(producer, manualTrigger, new BeneficiaryTracer()));
}
int megabundleProducerCount = _relayAddresses.Any() ? 1 : 0;
List <MevBlockProducer.MevBlockProducerInfo> blockProducers =
new(_maxMergedBundles + megabundleProducerCount + 1);
// Add non-mev block
MevBlockProducer.MevBlockProducerInfo standardProducer = CreateProducer();
blockProducers.Add(standardProducer);
// Try blocks with all bundle numbers <= maxMergedBundles
for (int bundleLimit = 1; bundleLimit <= _maxMergedBundles; bundleLimit++)
{
BundleSelector bundleSelector = new(BundlePool, bundleLimit);
BundleTxSource bundleTxSource = new(bundleSelector, Timestamper);
MevBlockProducer.MevBlockProducerInfo bundleProducer = CreateProducer(bundleLimit, bundleTxSource);
blockProducers.Add(bundleProducer);
}
if (megabundleProducerCount > 0)
{
MegabundleSelector megabundleSelector = new(BundlePool);
BundleTxSource megabundleTxSource = new(megabundleSelector, Timestamper);
MevBlockProducer.MevBlockProducerInfo bundleProducer = CreateProducer(0, megabundleTxSource);
blockProducers.Add(bundleProducer);
}
MevBlockProducer blockProducer = new MevBlockProducer(BlockProductionTrigger, LogManager, blockProducers.ToArray());
blockProducer.BlockProduced += OnBlockProduced;
return(blockProducer);
}
protected override IBlockProducer CreateTestBlockProducer(TxPoolTxSource txPoolTxSource, ISealer sealer, ITransactionComparerProvider transactionComparerProvider)
{
MiningConfig miningConfig = new() { MinGasPrice = UInt256.One };
BlockProducerEnvFactory blockProducerEnvFactory = new(
DbProvider,
BlockTree,
ReadOnlyTrieStore,
SpecProvider,
BlockValidator,
NoBlockRewards.Instance,
ReceiptStorage,
BlockPreprocessorStep,
TxPool,
transactionComparerProvider,
miningConfig,
LogManager)
{
TransactionsExecutorFactory = new MevBlockProducerTransactionsExecutorFactory(SpecProvider, LogManager)
};
Eth2BlockProducer CreateEth2BlockProducer(IBlockProductionTrigger blockProductionTrigger, ITxSource?txSource = null) =>
new Eth2TestBlockProducerFactory(GasLimitCalculator, txSource).Create(
blockProducerEnvFactory,
BlockTree,
blockProductionTrigger,
SpecProvider,
Signer,
Timestamper,
miningConfig,
LogManager);
MevBlockProducer.MevBlockProducerInfo CreateProducer(int bundleLimit = 0, ITxSource?additionalTxSource = null)
{
bool BundleLimitTriggerCondition(BlockProductionEventArgs e)
{
BlockHeader?parent = BlockTree.GetProducedBlockParent(e.ParentHeader);
if (parent is not null)
{
IEnumerable <MevBundle> bundles = BundlePool.GetBundles(parent, Timestamper);
return(bundles.Count() >= bundleLimit);
}
return(false);
}
IManualBlockProductionTrigger manualTrigger = new BuildBlocksWhenRequested();
IBlockProductionTrigger trigger = manualTrigger;
if (bundleLimit != 0)
{
trigger = new TriggerWithCondition(manualTrigger, BundleLimitTriggerCondition);
}
IBlockProducer producer = CreateEth2BlockProducer(trigger, additionalTxSource);
return(new MevBlockProducer.MevBlockProducerInfo(producer, manualTrigger, new BeneficiaryTracer()));
}
int megabundleProducerCount = _relayAddresses.Any() ? 1 : 0;
List <MevBlockProducer.MevBlockProducerInfo> blockProducers =
new(_maxMergedBundles + megabundleProducerCount + 1);
// Add non-mev block
MevBlockProducer.MevBlockProducerInfo standardProducer = CreateProducer();
blockProducers.Add(standardProducer);
// Try blocks with all bundle numbers <= maxMergedBundles
for (int bundleLimit = 1; bundleLimit <= _maxMergedBundles; bundleLimit++)
{
BundleSelector bundleSelector = new(BundlePool, bundleLimit);
BundleTxSource bundleTxSource = new(bundleSelector, Timestamper);
MevBlockProducer.MevBlockProducerInfo bundleProducer = CreateProducer(bundleLimit, bundleTxSource);
blockProducers.Add(bundleProducer);
}
if (megabundleProducerCount > 0)
{
MegabundleSelector megabundleSelector = new(BundlePool);
BundleTxSource megabundleTxSource = new(megabundleSelector, Timestamper);
MevBlockProducer.MevBlockProducerInfo bundleProducer = CreateProducer(0, megabundleTxSource);
blockProducers.Add(bundleProducer);
}
return(new MevBlockProducer(BlockProductionTrigger, LogManager, blockProducers.ToArray()));
}
public void Test()
{
ISpecProvider specProvider = MainnetSpecProvider.Instance;
DbProvider dbProvider = new DbProvider(DbModeHint.Mem);
dbProvider.RegisterDb(DbNames.BlockInfos, new MemDb());
dbProvider.RegisterDb(DbNames.Blocks, new MemDb());
dbProvider.RegisterDb(DbNames.Headers, new MemDb());
dbProvider.RegisterDb(DbNames.State, new MemDb());
dbProvider.RegisterDb(DbNames.Code, new MemDb());
BlockTree blockTree = new BlockTree(
dbProvider,
new ChainLevelInfoRepository(dbProvider),
specProvider,
NullBloomStorage.Instance,
LimboLogs.Instance);
TrieStore trieStore = new TrieStore(
dbProvider.RegisteredDbs[DbNames.State],
NoPruning.Instance,
Archive.Instance,
LimboLogs.Instance);
StateProvider stateProvider = new StateProvider(
trieStore,
dbProvider.RegisteredDbs[DbNames.Code],
LimboLogs.Instance);
StorageProvider storageProvider = new StorageProvider(trieStore, stateProvider, LimboLogs.Instance);
BlockhashProvider blockhashProvider = new BlockhashProvider(blockTree, LimboLogs.Instance);
VirtualMachine virtualMachine = new VirtualMachine(
stateProvider,
storageProvider,
blockhashProvider,
specProvider,
LimboLogs.Instance);
TransactionProcessor txProcessor = new TransactionProcessor(
specProvider,
stateProvider,
storageProvider,
virtualMachine,
LimboLogs.Instance);
BlockProcessor blockProcessor = new BlockProcessor(
specProvider,
Always.Valid,
NoBlockRewards.Instance,
txProcessor,
stateProvider,
storageProvider,
NullTxPool.Instance,
NullReceiptStorage.Instance,
NullWitnessCollector.Instance,
LimboLogs.Instance);
BlockchainProcessor blockchainProcessor = new BlockchainProcessor(
blockTree,
blockProcessor,
NullRecoveryStep.Instance,
LimboLogs.Instance,
BlockchainProcessor.Options.Default);
BuildBlocksWhenRequested trigger = new BuildBlocksWhenRequested();
var timestamper = new ManualTimestamper();
DevBlockProducer devBlockProducer = new DevBlockProducer(
EmptyTxSource.Instance,
blockchainProcessor,
stateProvider,
blockTree,
blockchainProcessor,
trigger,
timestamper,
specProvider,
new MiningConfig {
Enabled = true
},
LimboLogs.Instance);
blockchainProcessor.Start();
devBlockProducer.Start();
AutoResetEvent autoResetEvent = new AutoResetEvent(false);
blockTree.NewHeadBlock += (s, e) => autoResetEvent.Set();
blockTree.SuggestBlock(Build.A.Block.Genesis.TestObject);
autoResetEvent.WaitOne(1000).Should().BeTrue("genesis");
trigger.BuildBlock();
autoResetEvent.WaitOne(1000).Should().BeTrue("1");
blockTree.Head.Number.Should().Be(1);
}
