public async Task ValidateBlockBeforeAttach_Success()
{
var chain = await _blockchainService.GetChainAsync();
var transactions = await _osTestHelper.GenerateTransferTransactions(3);
var block = _osTestHelper.GenerateBlockWithTransactions(chain.BestChainHash, chain.BestChainHeight,
transactions);
var result = await _blockSyncValidationService.ValidateBlockBeforeAttachAsync(block);
result.ShouldBeTrue();
}
public async Task ValidateBlockBeforeAttach_InvalidBlock_ReturnFalse()
{
var invalidBlock = _osTestHelper.GenerateBlockWithTransactions(HashHelper.ComputeFrom("BadBlock"), 10000);
var result = await _blockSyncValidationService.ValidateBlockBeforeAttachAsync(invalidBlock);
result.ShouldBeFalse();
}
public async Task AttachBlockWithTransactionsAsync(BlockWithTransactions blockWithTransactions,
string senderPubkey, Func <Task> attachFinishedCallback = null)
{
var blockValid = await _blockSyncValidationService.ValidateBlockBeforeAttachAsync(blockWithTransactions);
if (!blockValid)
{
Logger.LogDebug(
$"Sync block validation failed, peer: {senderPubkey}, block hash: {blockWithTransactions.GetHash()}, block height: {blockWithTransactions.Height}");
await LocalEventBus.PublishAsync(new AbnormalPeerFoundEventData
{
BlockHash = blockWithTransactions.GetHash(),
BlockHeight = blockWithTransactions.Height,
PeerPubkey = senderPubkey
});
return;
}
await _blockchainService.AddTransactionsAsync(blockWithTransactions.Transactions);
var block = blockWithTransactions.ToBlock();
await _blockchainService.AddBlockAsync(block);
_blockSyncQueueService.Enqueue(async() =>
{
try
{
await _blockAttachService.AttachBlockAsync(block);
}
finally
{
if (attachFinishedCallback != null)
{
await attachFinishedCallback();
}
}
},
KernelConstants.UpdateChainQueueName);
}