public override async Task <BlockVisitOutcome> VisitBlock(Block block, CancellationToken cancellationToken)
{
BlockVisitOutcome outcome = await base.VisitBlock(block, cancellationToken);
if (_blockTree.IsMainChain(block.Header))
{
_receiptStorage.EnsureCanonical(block);
}
return(outcome);
}
private async Task <bool> VisitBlock(IBlockTreeVisitor visitor, Block block, CancellationToken cancellationToken)
{
BlockVisitOutcome blockVisitOutcome = await visitor.VisitBlock(block, cancellationToken);
if ((blockVisitOutcome & BlockVisitOutcome.Suggest) == BlockVisitOutcome.Suggest)
{
// remnant after previous approach - we want to skip standard suggest processing and just invoke processor
BestSuggestedHeader = block.Header;
BestSuggestedBody = block;
NewBestSuggestedBlock?.Invoke(this, new BlockEventArgs(block));
}
if ((blockVisitOutcome & BlockVisitOutcome.StopVisiting) == BlockVisitOutcome.StopVisiting)
{
return(true);
}
return(false);
}
public async Task Fixer_should_not_suggest_block_with_null_block()
{
TestRpcBlockchain testRpc = await TestRpcBlockchain.ForTest(SealEngineType.NethDev).Build();
await testRpc.BlockchainProcessor.StopAsync();
IBlockTree tree = testRpc.BlockTree;
SuggestNumberOfBlocks(tree, 1);
// simulating restarts - we stopped the old blockchain processor and create the new one
BlockchainProcessor newBlockchainProcessor = new(tree, testRpc.BlockProcessor,
testRpc.BlockPreprocessorStep, testRpc.StateReader, LimboLogs.Instance, BlockchainProcessor.Options.Default);
newBlockchainProcessor.Start();
testRpc.BlockchainProcessor = newBlockchainProcessor;
IBlockTreeVisitor fixer = new StartupBlockTreeFixer(new SyncConfig(), tree, testRpc.DbProvider.StateDb, LimboNoErrorLogger.Instance, 5);
BlockVisitOutcome result = await fixer.VisitBlock(null, CancellationToken.None);
Assert.AreEqual(BlockVisitOutcome.None, result);
}
public async Task Fixer_should_not_suggest_block_without_state(int suggestedBlocksAmount)
{
TestRpcBlockchain testRpc = await TestRpcBlockchain.ForTest(SealEngineType.NethDev).Build();
await testRpc.BlockchainProcessor.StopAsync();
IBlockTree tree = testRpc.BlockTree;
SuggestNumberOfBlocks(tree, suggestedBlocksAmount);
// simulating restarts - we stopped the old blockchain processor and create the new one
BlockchainProcessor newBlockchainProcessor = new(tree, testRpc.BlockProcessor,
testRpc.BlockPreprocessorStep, LimboLogs.Instance, BlockchainProcessor.Options.Default);
newBlockchainProcessor.Start();
testRpc.BlockchainProcessor = newBlockchainProcessor;
// we create a new empty db for stateDb so we shouldn't suggest new blocks
MemDb stateDb = new();
IBlockTreeVisitor fixer = new StartupBlockTreeFixer(new SyncConfig(), tree, stateDb, LimboNoErrorLogger.Instance, 5);
BlockVisitOutcome result = await fixer.VisitBlock(tree.Head !, CancellationToken.None);
Assert.AreEqual(BlockVisitOutcome.None, result);
}
