public Task <ChainCodeInvokeResponse> ChaincodeInit(TxRequest request)
{
if (request.Data.Type != TxType.Invoke)
{
return(Task.FromResult(new ChainCodeInvokeResponse()
{
StatusCode = StatusCode.BAD_TX_TYPE
}));
}
var stub = GetChaincodeStub(request);
var chaincode = new Chaincode();
chaincode.NameSpace = stub.GetChaincodeNameSpace();
chaincode.Name = stub.GetChaincodeName();
chaincode.Version = stub.GetChaincodeVersion();
var ass = _assemblyProvider.GetAssembly(stub.GetChannelId(), stub.GetChaincodeName(), stub.GetChaincodeNameSpace(), stub.GetChaincodeVersion());
var classfullname = chaincode.NameSpace + "." + chaincode.Name;
//必须使用 名称空间+类名称
var type = ass.GetType(classfullname);
//方法的名称
MethodInfo method = type.GetMethod("Init");
//必须使用名称空间+类名称
var obj = ass.CreateInstance(classfullname);
var rs = method.Invoke(obj, new object[] { stub });
if (rs != null)
{
return(Task.FromResult((ChainCodeInvokeResponse)rs));
}
return(null);
}
private Task <ChainCodeInvokeResponse> ChaincodeInvoke(IChaincodeStub stub)
{
try
{
var chaincode = new Chaincode();
chaincode.NameSpace = stub.GetChaincodeNameSpace();
chaincode.Name = stub.GetChaincodeName();
chaincode.Version = stub.GetChaincodeVersion();
var ass = _assemblyProvider.GetAssembly(stub.GetChannelId(), stub.GetChaincodeName(), stub.GetChaincodeNameSpace(), stub.GetChaincodeVersion());
var classfullname = chaincode.NameSpace + "." + chaincode.Name;
//必须使用 名称空间+类名称
var type = ass.GetType(classfullname);
//方法的名称
MethodInfo method = type.GetMethod("Invoke");
//必须使用名称空间+类名称
var obj = ass.CreateInstance(classfullname);
var rs = method.Invoke(obj, new object[] { stub });
if (rs != null)
{
return(Task.FromResult((ChainCodeInvokeResponse)rs));
}
}
catch (Exception ex)
{
return(null);
}
return(null);
}
public bool ValidateEndorse(Chaincode chainCode, Dictionary <string, EndorseResponse> endorseDir)
{
_logger.LogInformation("开始校验背书策略");
foreach (var item in endorseDir)
{
if (item.Value.Status == false)
{
return(false);
}
}
//验证背书节点的策略
var peers = GetEndorsePeer(chainCode);
var channelconfig = _dataManager.GetChannelConfig();
//获取链码名称的背书策略
var chaincodeConfig = channelconfig.ChainCodeConfigs.Where(p => p.Name == chainCode.Name).FirstOrDefault();
//如果没有达到指定的背书数量则返回false
if (chaincodeConfig.Policy.Number != endorseDir.Count)
{
return(false);
}
var list = peers.Select(p => p.Id).Distinct().ToList();
//判断是否是指定节点的背书
var ips = peers.Select(p => p.Id).ToList();
foreach (var item in endorseDir)
{
if (!ips.Contains(item.Key))
{
return(false);
}
}
//判断几个节点的背书节点是否一致
var checkdata = "";
foreach (var item in endorseDir)
{
if (string.IsNullOrEmpty(checkdata))
{
checkdata = Newtonsoft.Json.JsonConvert.SerializeObject(item.Value.TxReadWriteSet);
continue;
}
if (checkdata != Newtonsoft.Json.JsonConvert.SerializeObject(item.Value.TxReadWriteSet))
{
return(false);
}
}
return(true);
}
/// <summary>
/// 获取 需要背书的节点
/// </summary>
/// <param name="ChannelId"></param>
/// <param name="chainCode"></param>
/// <returns></returns>
public List <IPeer> GetEndorsePeer(Chaincode chainCode)
{
_logger.LogInformation("获取背书需要的节点");
var list = new List <IPeer>();
//如果是其他 获取最新配置
var channelconfig = _dataManager.GetChannelConfig();
//获取链码名称的背书策略
var chaincodeConfig = channelconfig.ChainCodeConfigs.Where(p => p.Name == chainCode.Name).FirstOrDefault();
foreach (var item in chaincodeConfig.Policy.OrgIds)
{
var org = channelconfig.OrgConfigs.Where(p => p.OrgId == item).FirstOrDefault();
var peer = _peersprovider.Get(org.Address);
list.Add(peer);
}
return(list);
}
public List <IPeer> GetEndorsePeer(Chaincode chainCode)
{
return(_policyProvider.GetEndorsePeer(chainCode));
}
public bool ValidateEndorse(Chaincode chainCode, Dictionary <string, EndorseResponse> endorseDir)
{
return(_policyProvider.ValidateEndorse(chainCode, endorseDir));
}
public Channel()
{
Chaincode = new Chaincode();
}
