private Task <Block> FillBlockAfterExecutionAsync(BlockHeader header,
IEnumerable <Transaction> transactions, ExecutionReturnSetCollection executionReturnSetCollection, BlockStateSet blockStateSet)
{
Logger.LogTrace("Start block field filling after execution.");
var bloom = new Bloom();
foreach (var returnSet in executionReturnSetCollection.Executed)
{
bloom.Combine(new[] { new Bloom(returnSet.Bloom.ToByteArray()) });
}
var allExecutedTransactionIds = transactions.Select(x => x.GetHash()).ToList();
var orderedReturnSets = executionReturnSetCollection.GetExecutionReturnSetList()
.OrderBy(d => allExecutedTransactionIds.IndexOf(d.TransactionId)).ToList();
var block = new Block
{
Header = new BlockHeader(header)
{
Bloom = ByteString.CopyFrom(bloom.Data),
MerkleTreeRootOfWorldState = CalculateWorldStateMerkleTreeRoot(blockStateSet),
MerkleTreeRootOfTransactionStatus = CalculateTransactionStatusMerkleTreeRoot(orderedReturnSets),
MerkleTreeRootOfTransactions = CalculateTransactionMerkleTreeRoot(allExecutedTransactionIds)
},
Body = new BlockBody
{
TransactionIds = { allExecutedTransactionIds }
}
};
Logger.LogTrace("Finish block field filling after execution.");
return(Task.FromResult(block));
}
protected virtual async Task <Block> FillBlockAfterExecutionAsync(BlockHeader blockHeader, List <Transaction> transactions,
ReturnSetCollection returnSetCollection)
{
Logger.LogTrace("Start block field filling after execution.");
var bloom = new Bloom();
var blockStateSet = new BlockStateSet
{
BlockHeight = blockHeader.Height,
PreviousHash = blockHeader.PreviousBlockHash
};
foreach (var returnSet in returnSetCollection.Executed)
{
foreach (var change in returnSet.StateChanges)
{
blockStateSet.Changes[change.Key] = change.Value;
blockStateSet.Deletes.Remove(change.Key);
}
foreach (var delete in returnSet.StateDeletes)
{
blockStateSet.Deletes.AddIfNotContains(delete.Key);
blockStateSet.Changes.Remove(delete.Key);
}
bloom.Combine(new[] { new Bloom(returnSet.Bloom.ToByteArray()) });
}
blockHeader.Bloom = ByteString.CopyFrom(bloom.Data);
blockHeader.MerkleTreeRootOfWorldState = CalculateWorldStateMerkleTreeRoot(blockStateSet);
var allExecutedTransactionIds = transactions.Select(x => x.GetHash()).ToList();
var orderedReturnSets = returnSetCollection.ToList().AsParallel()
.OrderBy(d => allExecutedTransactionIds.IndexOf(d.TransactionId)).ToList();
blockHeader.MerkleTreeRootOfTransactionStatus =
CalculateTransactionStatusMerkleTreeRoot(orderedReturnSets);
blockHeader.MerkleTreeRootOfTransactions = CalculateTransactionMerkleTreeRoot(allExecutedTransactionIds);
var blockHash = blockHeader.GetHashWithoutCache();
var blockBody = new BlockBody();
blockBody.TransactionIds.AddRange(allExecutedTransactionIds);
var block = new Block
{
Header = blockHeader,
Body = blockBody
};
blockStateSet.BlockHash = blockHash;
Logger.LogTrace("Set block state set.");
await _blockchainStateService.SetBlockStateSetAsync(blockStateSet);
Logger.LogTrace("Finish block field filling after execution.");
return(block);
}
public async Task <Block> FillBlockAfterExecutionAsync(BlockHeader blockHeader, List <Transaction> transactions,
List <ExecutionReturnSet> blockExecutionReturnSet)
{
var bloom = new Bloom();
var blockStateSet = new BlockStateSet
{
BlockHeight = blockHeader.Height,
PreviousHash = blockHeader.PreviousBlockHash
};
foreach (var returnSet in blockExecutionReturnSet)
{
foreach (var change in returnSet.StateChanges)
{
blockStateSet.Changes[change.Key] = change.Value;
}
if (returnSet.Status == TransactionResultStatus.Mined)
{
bloom.Combine(new[] { new Bloom(returnSet.Bloom.ToByteArray()) });
}
}
blockHeader.Bloom = ByteString.CopyFrom(bloom.Data);
var merkleTreeRootOfWorldState = ComputeHash(GetDeterministicByteArrays(blockStateSet));
blockHeader.MerkleTreeRootOfWorldState = merkleTreeRootOfWorldState;
var allExecutedTransactionIds = transactions.Select(x => x.GetHash()).ToList();
var bmt = new BinaryMerkleTree();
bmt.AddNodes(allExecutedTransactionIds);
blockHeader.MerkleTreeRootOfTransactions = bmt.ComputeRootHash();
_blockExtraDataService.FillMerkleTreeRootExtraDataForTransactionStatus(blockHeader,
blockExecutionReturnSet.Select(executionReturn =>
(executionReturn.TransactionId, executionReturn.Status)));
var blockBody = new BlockBody();
blockBody.Transactions.AddRange(allExecutedTransactionIds);
blockBody.TransactionList.AddRange(transactions);
var block = new Block
{
Header = blockHeader,
Body = blockBody
};
blockBody.BlockHeader = blockHeader.GetHash();
blockStateSet.BlockHash = blockHeader.GetHash();
await _blockchainStateManager.SetBlockStateSetAsync(blockStateSet);
return(block);
}
public void Combine_Test()
{
var bloom = new Bloom();
var byteString = ByteString.CopyFrom(new Bloom().Data);
bloom.Combine(new[] { new Bloom(byteString.ToByteArray()) });
bloom.Data.Length.ShouldBe(0);
var newBloom = new Bloom();
newBloom.AddValue(new StringValue()
{
Value = "ELF"
});
bloom.Combine(new[]
{
newBloom
});
bloom.Data.Length.ShouldBe(256);
}
public async Task <Block> FillBlockAfterExecutionAsync(BlockHeader blockHeader, List <Transaction> transactions,
List <ExecutionReturnSet> blockExecutionReturnSet)
{
var bloom = new Bloom();
var blockStateSet = new BlockStateSet
{
BlockHeight = blockHeader.Height,
PreviousHash = blockHeader.PreviousBlockHash
};
foreach (var returnSet in blockExecutionReturnSet)
{
foreach (var change in returnSet.StateChanges)
{
blockStateSet.Changes[change.Key] = change.Value;
}
if (returnSet.Status == TransactionResultStatus.Mined)
{
bloom.Combine(new[] { new Bloom(returnSet.Bloom.ToByteArray()) });
}
}
blockHeader.Bloom = ByteString.CopyFrom(bloom.Data);
blockHeader.MerkleTreeRootOfWorldState = CalculateWorldStateMerkleTreeRoot(blockStateSet);
blockHeader.MerkleTreeRootOfTransactionStatus =
CalculateTransactionStatusMerkleTreeRoot(blockExecutionReturnSet);
var allExecutedTransactionIds = transactions.Select(x => x.GetHash()).ToList();
blockHeader.MerkleTreeRootOfTransactions = CalculateTransactionMerkleTreeRoot(allExecutedTransactionIds);
var blockHash = blockHeader.GetHashWithoutCache();
var blockBody = new BlockBody
{
BlockHeader = blockHash
};
blockBody.TransactionIds.AddRange(allExecutedTransactionIds);
var block = new Block
{
Header = blockHeader,
Body = blockBody
};
blockBody.BlockHeader = blockHash;
blockStateSet.BlockHash = blockHash;
await _blockchainStateManager.SetBlockStateSetAsync(blockStateSet);
return(block);
}
public async Task Validate_EmptyHeader_WithIndexedData_Test()
{
var block = _kernelTestHelper.GenerateBlock(10, Hash.Empty);
var bloom = new Bloom();
bloom.Combine(new [] {
GetSideChainBlockDataIndexedEventBloom(), GetParentChainBlockDataIndexedEventBloom()
});
block.Header.Bloom = ByteString.CopyFrom(bloom.Data);
var res = await _crossChainBlockValidationProvider.ValidateBlockAfterExecuteAsync(block);
Assert.False(res);
}
private BlockExecutedSet GenerateBlockExecutedSet(long blockHeight, List <LogEvent> logEvents)
{
var blockExecutedSet = new BlockExecutedSet();
var transactions = new List <Transaction>();
for (var i = 0; i < logEvents.Count + 1; i++)
{
transactions.Add(_kernelTestHelper.GenerateTransaction());
}
var block = _kernelTestHelper.GenerateBlock(blockHeight - 1, HashHelper.ComputeFrom("PreviousBlockHash"),
transactions);
blockExecutedSet.Block = block;
blockExecutedSet.TransactionResultMap = new Dictionary <Hash, TransactionResult>
{
{
transactions[0].GetHash(),
new TransactionResult {
TransactionId = transactions[0].GetHash(), Bloom = ByteString.Empty
}
}
};
var bloom = new Bloom();
var logs = new List <LogEvent>();
var txIndex = 1;
foreach (var logEvent in logEvents)
{
bloom.Combine(new List <Bloom> {
logEvent.GetBloom()
});
logs.Add(logEvent);
var transactionResult = new TransactionResult
{
TransactionId = transactions[txIndex].GetHash(),
Bloom = ByteString.CopyFrom(bloom.Data),
};
transactionResult.Logs.AddRange(logs);
blockExecutedSet.TransactionResultMap.Add(transactions[txIndex].GetHash(), transactionResult);
txIndex++;
}
block.Header.Bloom = ByteString.CopyFrom(bloom.Data);
return(blockExecutedSet);
}
public async Task Validate_EmptyHeader_WithIndexedData_Test()
{
var fakeMerkleTreeRoot1 = Hash.FromString("fakeMerkleTreeRoot1");
var fakeSideChainId = ChainHelper.ConvertBase58ToChainId("2112");
var fakeSideChainBlockData = CreateSideChainBlockData(fakeSideChainId, 1, fakeMerkleTreeRoot1);
CreateFakeCacheAndStateData(fakeSideChainId, fakeSideChainBlockData, 2);
var block = _kernelTestHelper.GenerateBlock(1, Hash.Empty);
var bloom = new Bloom();
bloom.Combine(new [] {
GetSideChainBlockDataIndexedEventBloom(), GetParentChainBlockDataIndexedEventBloom()
});
block.Header.Bloom = ByteString.CopyFrom(bloom.Data);
var res = await _crossChainBlockValidationProvider.ValidateBlockAfterExecuteAsync(block);
Assert.False(res);
}
