public async Task <Block> RequestMiningAsync(ConsensusRequestMiningDto requestMiningDto)
{
if (!ValidateBlockMiningTime(requestMiningDto.BlockTime, requestMiningDto.MiningDueTime,
requestMiningDto.BlockExecutionTime))
{
return(null);
}
var blockExecutionDuration =
CalculateBlockMiningDuration(requestMiningDto.BlockTime, requestMiningDto.BlockExecutionTime);
var block = (await _minerService.MineAsync(requestMiningDto.PreviousBlockHash,
requestMiningDto.PreviousBlockHeight, requestMiningDto.BlockTime, blockExecutionDuration)).Block;
return(block);
}
public async Task RequestMining_Test()
{
var chain = await _blockchainService.GetChainAsync();
var request = new ConsensusRequestMiningDto
{
BlockTime = TimestampHelper.GetUtcNow(),
BlockExecutionTime = TimestampHelper.DurationFromMilliseconds(500),
MiningDueTime = TimestampHelper.GetUtcNow().AddMilliseconds(499),
PreviousBlockHash = chain.BestChainHash,
PreviousBlockHeight = chain.BestChainHeight
};
var block = await _miningRequestService.RequestMiningAsync(request);
block.ShouldBeNull();
request = new ConsensusRequestMiningDto
{
BlockTime = TimestampHelper.GetUtcNow().AddMilliseconds(-501),
BlockExecutionTime = TimestampHelper.DurationFromMilliseconds(500),
MiningDueTime = TimestampHelper.GetUtcNow().AddMilliseconds(350),
PreviousBlockHash = chain.BestChainHash,
PreviousBlockHeight = chain.BestChainHeight
};
block = await _miningRequestService.RequestMiningAsync(request);
block.ShouldBeNull();
request = new ConsensusRequestMiningDto
{
BlockTime = TimestampHelper.GetUtcNow().AddMilliseconds(-400),
BlockExecutionTime = TimestampHelper.DurationFromMilliseconds(500),
MiningDueTime = TimestampHelper.GetUtcNow().AddMilliseconds(350),
PreviousBlockHash = chain.BestChainHash,
PreviousBlockHeight = chain.BestChainHeight
};
block = await _miningRequestService.RequestMiningAsync(request);
block.ShouldNotBeNull();
block.Header.PreviousBlockHash.ShouldBe(chain.BestChainHash);
block.Header.Height.ShouldBe(chain.BestChainHeight + 1);
block.Header.Time.ShouldBe(request.BlockTime);
}