/// <inheritdoc />
/// <summary>
/// Mine process.
/// </summary>
/// <returns></returns>
public async Task <BlockExecutedSet> MineAsync(Hash previousBlockHash, long previousBlockHeight,
Timestamp blockTime,
Duration blockExecutionTime)
{
var txList = new List <Transaction>();
var chainContext = new ChainContext
{
BlockHash = previousBlockHash,
BlockHeight = previousBlockHeight
};
var limit = await _blockTransactionLimitProvider.GetLimitAsync(chainContext);
if (_transactionPackingOptionProvider.IsTransactionPackable(chainContext))
{
var executableTransactionSet = await _transactionPoolService.GetExecutableTransactionSetAsync(
previousBlockHash, limit);
txList.AddRange(executableTransactionSet.Transactions);
}
Logger.LogInformation(
$"Start mining with previous hash: {previousBlockHash}, previous height: {previousBlockHeight}.");
return(await _miningService.MineAsync(
new RequestMiningDto
{
PreviousBlockHash = previousBlockHash,
PreviousBlockHeight = previousBlockHeight,
BlockExecutionTime = blockExecutionTime,
TransactionCountLimit = limit
}, txList, blockTime));
}
public async Task TransactionPackingOption_Test()
{
await AddBlockStateSetAsync(_kernelTestHelper.BestBranchBlockList[9]);
await AddBlockStateSetAsync(_kernelTestHelper.BestBranchBlockList[10]);
await AddBlockStateSetAsync(_kernelTestHelper.ForkBranchBlockList[4]);
var context = new ChainContext
{
BlockHash = _kernelTestHelper.BestBranchBlockList[9].GetHash(),
BlockHeight = _kernelTestHelper.BestBranchBlockList[9].Height
};
var isTransactionPackable = _transactionPackingOptionProvider.IsTransactionPackable(context);
isTransactionPackable.ShouldBeTrue();
await _transactionPackingOptionProvider.SetTransactionPackingOptionAsync(context, false);
isTransactionPackable = _transactionPackingOptionProvider.IsTransactionPackable(context);
isTransactionPackable.ShouldBeFalse();
isTransactionPackable = _transactionPackingOptionProvider.IsTransactionPackable(new ChainContext
{
BlockHash = _kernelTestHelper.BestBranchBlockList[10].GetHash(),
BlockHeight = _kernelTestHelper.BestBranchBlockList[10].Height
});
isTransactionPackable.ShouldBeFalse();
isTransactionPackable = _transactionPackingOptionProvider.IsTransactionPackable(new ChainContext
{
BlockHash = _kernelTestHelper.ForkBranchBlockList[4].GetHash(),
BlockHeight = _kernelTestHelper.ForkBranchBlockList[4].Height
});
isTransactionPackable.ShouldBeTrue();
await _transactionPackingOptionProvider.SetTransactionPackingOptionAsync(context, true);
isTransactionPackable = _transactionPackingOptionProvider.IsTransactionPackable(context);
isTransactionPackable.ShouldBeTrue();
}
public async Task <List <Transaction> > GenerateTransactionsAsync(Address from, long preBlockHeight,
Hash preBlockHash)
{
var generatedTransactions = new List <Transaction>();
var chainContext = new ChainContext
{
BlockHash = preBlockHash, BlockHeight = preBlockHeight
};
if (!_transactionPackingOptionProvider.IsTransactionPackable(chainContext))
{
return(generatedTransactions);
}
var parliamentContractAddress = await _smartContractAddressService.GetAddressByContractNameAsync(
chainContext, ParliamentSmartContractAddressNameProvider.StringName);
if (parliamentContractAddress == null)
{
return(generatedTransactions);
}
var proposalIdList =
await _proposalService.GetNotApprovedProposalIdListAsync(from, preBlockHash, preBlockHeight);
if (proposalIdList == null || proposalIdList.Count == 0)
{
return(generatedTransactions);
}
var generatedTransaction = new Transaction
{
From = from,
MethodName = nameof(ParliamentContractContainer.ParliamentContractStub.ApproveMultiProposals),
To = parliamentContractAddress,
RefBlockNumber = preBlockHeight,
RefBlockPrefix = BlockHelper.GetRefBlockPrefix(preBlockHash),
Params = new ProposalIdList
{
ProposalIds = { proposalIdList }
}.ToByteString()
};
generatedTransactions.Add(generatedTransaction);
Logger.LogTrace("Proposal approval transaction generated.");
return(generatedTransactions);
}
public async Task <ByteString> GetBlockHeaderExtraDataAsync(BlockHeader blockHeader)
{
if (blockHeader.Height == AElfConstants.GenesisBlockHeight)
{
return(ByteString.Empty);
}
if (!_transactionPackingOptionProvider.IsTransactionPackable(new ChainContext
{
BlockHash = blockHeader.PreviousBlockHash, BlockHeight = blockHeader.Height - 1
}))
{
return(ByteString.Empty);
}
var bytes = await _crossChainIndexingDataService.PrepareExtraDataForNextMiningAsync(
blockHeader.PreviousBlockHash, blockHeader.Height - 1);
return(bytes);
}
private bool ValidateTransactionCount(IBlock block)
{
var chainContext = new ChainContext
{
BlockHash = block.Header.PreviousBlockHash,
BlockHeight = block.Header.Height - 1
};
if (_transactionPackingOptionProvider.IsTransactionPackable(chainContext))
{
return(true);
}
if (block.Body.TransactionsCount > _systemTransactionCount)
{
Logger.LogDebug("Cannot package normal transaction.");
return(false);
}
return(true);
}