/// <summary>
/// 节点对交易进行背书
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
public async Task <EndorseResponse> Endorse(TxRequest request)
{
EndorseResponse response = new EndorseResponse();
//背书
var result = await _node.ChainCodeSubmit(request);
if (result.StatusCode != StatusCode.Successful)
{
response.Status = false;
response.Msg = result.StatusCode.ToString() + ":" + result.Message;
return(response);
}
response.TxReadWriteSet = result.TxReadWriteSet;
response.Status = true;
response.Msg = "背书完成";
response.Endorsement.Identity = _configProviders.GetPublicIndentity();
//var str = Newtonsoft.Json.JsonConvert.SerializeObject(response);
var privatekey = _configProviders.GetPrivateKey();
//节点对背书数据签名
// response.Endorsement.Signature = DataHelper.RSASignature(str, privatekey);
response.Endorsement.Signature = RSAHelper.SignData(privatekey, response);
return(response);
}
/// <summary>
/// 创建新通道 默认只加载本地的节点
/// </summary>
/// <param name="channelName"></param>
public async Task <TxResponse> CreateNewChannel(string channelId)
{
//创建交易请求
var txHeader = new TxHeader();
txHeader.ChannelId = channelId;
txHeader.Type = TxType.Invoke;
txHeader.ChaincodeName = ConfigKey.SysNetConfigChaincode;
txHeader.FuncName = ConfigKey.InitChannelFunc;
txHeader.Args = new string[] { channelId };
var tx = ModelHelper.ToTxRequest(txHeader);
EndorseResponse response = new EndorseResponse();
var result = ChainCodeSubmit(tx).Result;
if (result.StatusCode != StatusCode.Successful)
{
return(new TxResponse()
{
Status = false, Msg = result.Message
});
}
response.TxReadWriteSet = result.TxReadWriteSet;
response.Status = true;
response.Msg = "背书完成";
response.Endorsement.Identity = _configProvider.GetPublicIndentity();
var str = Newtonsoft.Json.JsonConvert.SerializeObject(response);
var privatekey = _configProvider.GetPrivateKey();
//节点对背书数据签名
response.Endorsement.Signature = RSAHelper.SignData(privatekey, response);
Envelope envelope = new Envelope();
envelope.TxReqeust = tx;
envelope.Endorsements.Add(response.Endorsement);
envelope.PayloadReponse = new ProposaResponsePayload();
envelope.PayloadReponse.Message = response.Msg;
envelope.PayloadReponse.Status = response.Status;
envelope.PayloadReponse.TxReadWriteSet = response.TxReadWriteSet;
var block = new Block();
block.Header.ChannelId = channelId;
block.Header.Number = 0;
block.Header.Term = 0;
block.Header.Timestamp = DateTime.Now.Ticks;
block.Data.Envelopes.Add(envelope);
block.Signer.Identity = _configProvider.GetPublicIndentity();
//计算hash·
block.Header.DataHash = RSAHelper.GenerateMD5(Newtonsoft.Json.JsonConvert.SerializeObject(block));
//对整个区块进行签名
block.Signer.Signature = RSAHelper.SignData(_configProvider.GetPrivateKey(), block);
//上链
await _dataManager.PutOnChainBlockAsync(block);
return(new TxResponse()
{
Status = true
});
}
/// <summary>
/// 打包
/// </summary>
private void BlockPacking()
{
try
{
_timer.Change(Timeout.Infinite, Timeout.Infinite);
lock (packing)
{
//对交易进行排序
List <Envelope> data = null;
lock (obj)
{
if (_txList.Count == 0)
{
return;
}
data = _txList.Where(p => true).ToList();
_txList.Clear();
}
#region 组装区块数据
//var txmq = new Msg.Imp.TxMQ(_configProvider.GetMQSetting());
var currentBlock = _blockDataManager.GetLastBlock(_node.GetChannelId());
var block = new Block();
block.Signer.Identity = _configProvider.GetPeerIdentity().GetPublic();
//交易验证
data = Validate(data);
//错误交易发送
//txmq.PublishTxResponse(errorTx, "交易失败");
block.Data.Envelopes = data;
block.Header.Timestamp = DateTime.Now.Ticks;
block.Header.Number = currentBlock.Header.Number + 1;
block.Header.ChannelId = _node.GetChannelId();
//Term
block.Header.PreviousHash = currentBlock.Header.DataHash;
block.Header.DataHash = RSAHelper.GenerateMD5(Newtonsoft.Json.JsonConvert.SerializeObject(block));
block.Signer.Signature = RSAHelper.SignData(_configProvider.GetPrivateKey(), block);
#endregion
#region 区块分发
Concensus.Messages.HandOutResponse ts = null;
try
{
_log.LogWarning("区块分发开始");
ts = _node.BlockHandOut(block).Result;
_log.LogWarning("区块分发结束");
}
catch (Exception ex)
{
ts = new Concensus.Messages.HandOutResponse
{
Message = ex.Message,
Success = false
};
_log.LogWarning("区块分发错误");
_log.LogError(ex, ex.Message);
}
#endregion
#region 链结果消息发送
foreach (var item in block.Data.Envelopes)
{
_memoryCache.Set("tx_" + item.TxReqeust.Data.TxId, ts.Success ? "1" : "2", TimeSpan.FromMinutes(10));
}
//if (ts.Success)
//{
// //txmq.PublishTxResponse(block, null);
//}
//else
//{
// //txmq.PublishTxResponse(block, ts.Message);
//}
/*
* if (ts.Success)
* {
* foreach (var item in block.Data.Envelopes)
* {
* //
* // _txStatus.Add(item.TxReqeust.Data.TxId, true);
* }
* }
* else
* {
* //通知 block中的交易失败
* foreach (var item in block.Data.Envelopes)
* {
* _txStatus.Add(item.TxReqeust.Data.TxId, false);
* }
* }
*/
#endregion
}
}
catch (Exception ex)
{
_log.LogError(ex, ex.Message);
}
finally
{
_timer.Change(_configProvider.GetBatchTimeout(), _configProvider.GetBatchTimeout());
}
}