public async Task <HistoryBlock> AddHistoryBlockToChainAsync(int chainId, HistoryBlock block)
{
if (await chainReadService.IsChainValidAsync(chainId))
{
var chain = await chainReadRepository.GetByIdAsync(chainId);
var blocks = await historyBlockReadRepository.GetBlocksByChainIdAsync(chainId);
block.ChainId = chainId;
if (blocks?.Count > 0)
{
var lastBlock = await historyBlockReadRepository.GetByIdAsync(chain.LastBlockId.Value);
block.PreviousHash = lastBlock.Hash;
}
var newBlock = await historyBlockWriteRepository.AddAsync(block);
//reload chain
chain = await chainReadRepository.GetByIdAsync(chainId);
chain.LastBlockId = newBlock.Id;
await chainWriteRepository.UpdateAsync(chain);
return(newBlock);
}
return(null);
}
public Task <Chain> GetChainByIdAsync(int chainId)
{
var result = chainReadRepository.GetByIdAsync(chainId);
return(result);
}