Esempio n. 1
0
// chaincodeInvokeOrQuery invokes or queries the chaincode. If successful, the
// INVOKE form prints the transaction ID on STDOUT, and the QUERY form prints
// the query result on STDOUT. A command-line flag (-r, --raw) determines
// whether the query result is output as raw bytes, or as a printable string.
// The printable form is optionally (-x, --hex) a hexadecimal representation
// of the query response. If the query response is NIL, nothing is output.
func chaincodeInvokeOrQuery(cmd *cobra.Command, args []string, invoke bool) (err error) {

	if err = checkChaincodeCmdParams(cmd); err != nil {
		return
	}

	if chaincodeName == "" {
		err = errors.New("Name not given for invoke/query")
		return
	}

	devopsClient, err := getDevopsClient(cmd)
	if err != nil {
		err = fmt.Errorf("Error building %s: %s", chainFuncName, err)
		return
	}
	// Build the spec
	input := &pb.ChaincodeInput{}
	if err = json.Unmarshal([]byte(chaincodeCtorJSON), &input); err != nil {
		err = fmt.Errorf("Chaincode argument error: %s", err)
		return
	}
	chaincodeLang = strings.ToUpper(chaincodeLang)
	spec := &pb.ChaincodeSpec{Type: pb.ChaincodeSpec_Type(pb.ChaincodeSpec_Type_value[chaincodeLang]),
		ChaincodeID: &pb.ChaincodeID{Name: chaincodeName}, CtorMsg: input}

	// If security is enabled, add client login token
	if viper.GetBool("security.enabled") {
		if chaincodeUsr == undefinedParamValue {
			err = errors.New("Must supply username for chaincode when security is enabled")
			return
		}

		// Retrieve the CLI data storage path
		// Returns /var/openchain/production/client/
		localStore := getCliFilePath()

		// Check if the user is logged in before sending transaction
		if _, err = os.Stat(localStore + "loginToken_" + chaincodeUsr); err == nil {
			logger.Info("Local user '%s' is already logged in. Retrieving login token.\n", chaincodeUsr)

			// Read in the login token
			token, err := ioutil.ReadFile(localStore + "loginToken_" + chaincodeUsr)
			if err != nil {
				panic(fmt.Errorf("Fatal error when reading client login token: %s\n", err))
			}

			// Add the login token to the chaincodeSpec
			spec.SecureContext = string(token)

			// If privacy is enabled, mark chaincode as confidential
			if viper.GetBool("security.privacy") {
				logger.Info("Set confidentiality level to CONFIDENTIAL.\n")
				spec.ConfidentialityLevel = pb.ConfidentialityLevel_CONFIDENTIAL
			}
		} else {
			// Check if the token is not there and fail
			if os.IsNotExist(err) {
				err = fmt.Errorf("User '%s' not logged in. Use the 'login' command to obtain a security token.", chaincodeUsr)
				return
			}
			// Unexpected error
			panic(fmt.Errorf("Fatal error when checking for client login token: %s\n", err))
		}
	}

	// Build the ChaincodeInvocationSpec message
	invocation := &pb.ChaincodeInvocationSpec{ChaincodeSpec: spec}

	var resp *pb.Response
	if invoke {
		resp, err = devopsClient.Invoke(context.Background(), invocation)
	} else {
		resp, err = devopsClient.Query(context.Background(), invocation)
	}

	if err != nil {
		if invoke {
			err = fmt.Errorf("Error invoking %s: %s\n", chainFuncName, err)
		} else {
			err = fmt.Errorf("Error querying %s: %s\n", chainFuncName, err)
		}
		return
	}
	if invoke {
		transactionID := string(resp.Msg)
		logger.Info("Successfully invoked transaction: %s(%s)", invocation, transactionID)
		fmt.Println(transactionID)
	} else {
		logger.Info("Successfully queried transaction: %s", invocation)
		if resp != nil {
			if chaincodeQueryRaw {
				if chaincodeQueryHex {
					err = errors.New("Options --raw (-r) and --hex (-x) are not compatible\n")
					return
				}
				os.Stdout.Write(resp.Msg)
			} else {
				if chaincodeQueryHex {
					fmt.Printf("%x\n", resp.Msg)
				} else {
					fmt.Println(string(resp.Msg))
				}
			}
		}
	}
	return nil
}
Esempio n. 2
0
// MakeGenesis creates the genesis block based on configuration in openchain.yaml
// and adds it to the blockchain.
func MakeGenesis() error {
	once.Do(func() {
		ledger, err := ledger.GetLedger()
		if err != nil {
			makeGenesisError = err
			return
		}

		if ledger.GetBlockchainSize() > 0 {
			// genesis block already exists
			return
		}

		genesisLogger.Info("Creating genesis block.")

		ledger.BeginTxBatch(0)
		var genesisTransactions []*protos.Transaction

		//We are disabling the validity period deployment for now, we shouldn't even allow it if it's enabled in the configuration
		allowDeployValidityPeriod := false

		if deploySystemChaincodeEnabled() && allowDeployValidityPeriod {
			vpTransaction, deployErr := deployUpdateValidityPeriodChaincode()

			if deployErr != nil {
				genesisLogger.Error("Error deploying validity period system chaincode for genesis block.", deployErr)
				makeGenesisError = deployErr
				return
			}

			genesisTransactions = append(genesisTransactions, vpTransaction)
		}

		genesis := viper.GetStringMap("ledger.blockchain.genesisBlock")

		if genesis == nil {
			genesisLogger.Info("No genesis block chaincodes defined.")
		} else {

			chaincodes, chaincodesOK := genesis["chaincode"].([]interface{})
			if !chaincodesOK {
				genesisLogger.Info("No genesis block chaincodes defined.")
				ledger.CommitTxBatch(0, genesisTransactions, nil, nil)
				return
			}

			genesisLogger.Debug("Genesis chaincodes are %s", chaincodes)

			for i := 0; i < len(chaincodes); i++ {
				genesisLogger.Debug("Chaincode %d is %s", i, chaincodes[i])

				chaincodeMap, chaincodeMapOK := chaincodes[i].(map[interface{}]interface{})
				if !chaincodeMapOK {
					genesisLogger.Error("Invalid chaincode defined in genesis configuration:", chaincodes[i])
					makeGenesisError = fmt.Errorf("Invalid chaincode defined in genesis configuration: %s", chaincodes[i])
					return
				}

				path, pathOK := chaincodeMap["path"].(string)
				if !pathOK {
					genesisLogger.Error("Invalid chaincode URL defined in genesis configuration:", chaincodeMap["path"])
					makeGenesisError = fmt.Errorf("Invalid chaincode URL defined in genesis configuration: %s", chaincodeMap["path"])
					return
				}

				chaincodeType, chaincodeTypeOK := chaincodeMap["type"].(string)
				if !chaincodeTypeOK {
					genesisLogger.Error("Invalid chaincode type defined in genesis configuration:", chaincodeMap["type"])
					makeGenesisError = fmt.Errorf("Invalid chaincode type defined in genesis configuration: %s", chaincodeMap["type"])
					return
				}

				chaincodeID := &protos.ChaincodeID{Path: path, Name: ""}

				genesisLogger.Debug("Genesis chaincodeID %s", chaincodeID)
				genesisLogger.Debug("Genesis chaincode type %s", chaincodeType)

				constructorMap, constructorMapOK := chaincodeMap["constructor"].(map[interface{}]interface{})
				if !constructorMapOK {
					genesisLogger.Error("Invalid chaincode constructor defined in genesis configuration:", chaincodeMap["constructor"])
					makeGenesisError = fmt.Errorf("Invalid chaincode constructor defined in genesis configuration: %s", chaincodeMap["constructor"])
					return
				}

				var spec protos.ChaincodeSpec
				if constructorMap == nil {
					genesisLogger.Debug("Genesis chaincode has no constructor.")
					spec = protos.ChaincodeSpec{Type: protos.ChaincodeSpec_Type(protos.ChaincodeSpec_Type_value[chaincodeType]), ChaincodeID: chaincodeID}
				} else {

					ctorFunc, ctorFuncOK := constructorMap["func"].(string)
					if !ctorFuncOK {
						genesisLogger.Error("Invalid chaincode constructor function defined in genesis configuration:", constructorMap["func"])
						makeGenesisError = fmt.Errorf("Invalid chaincode constructor function args defined in genesis configuration: %s", constructorMap["func"])
						return
					}

					ctorArgs, ctorArgsOK := constructorMap["args"].([]interface{})
					if !ctorArgsOK {
						genesisLogger.Error("Invalid chaincode constructor args defined in genesis configuration:", constructorMap["args"])
						makeGenesisError = fmt.Errorf("Invalid chaincode constructor args defined in genesis configuration: %s", constructorMap["args"])
						return
					}

					genesisLogger.Debug("Genesis chaincode constructor func %s", ctorFunc)
					genesisLogger.Debug("Genesis chaincode constructor args %s", ctorArgs)
					var ctorArgsStringArray []string
					for j := 0; j < len(ctorArgs); j++ {
						ctorArgsStringArray = append(ctorArgsStringArray, ctorArgs[j].(string))
					}

					spec = protos.ChaincodeSpec{Type: protos.ChaincodeSpec_Type(protos.ChaincodeSpec_Type_value[chaincodeType]), ChaincodeID: chaincodeID, CtorMsg: &protos.ChaincodeInput{Function: ctorFunc, Args: ctorArgsStringArray}}
				}

				transaction, _, deployErr := DeployLocal(context.Background(), &spec)
				if deployErr != nil {
					genesisLogger.Error("Error deploying chaincode for genesis block.", deployErr)
					makeGenesisError = deployErr
					return
				}

				genesisTransactions = append(genesisTransactions, transaction)

			} //for

		} //else

		genesisLogger.Info("Adding %d system chaincodes to the genesis block.", len(genesisTransactions))
		ledger.CommitTxBatch(0, genesisTransactions, nil, nil)

	})
	return makeGenesisError
}
Esempio n. 3
0
// chaincodeDeploy deploys the chaincode. On success, the chaincode name
// (hash) is printed to STDOUT for use by subsequent chaincode-related CLI
// commands.
func chaincodeDeploy(cmd *cobra.Command, args []string) (err error) {
	if err = checkChaincodeCmdParams(cmd); err != nil {
		return
	}
	devopsClient, err := getDevopsClient(cmd)
	if err != nil {
		err = fmt.Errorf("Error building %s: %s", chainFuncName, err)
		return
	}
	// Build the spec
	input := &pb.ChaincodeInput{}
	if err = json.Unmarshal([]byte(chaincodeCtorJSON), &input); err != nil {
		err = fmt.Errorf("Chaincode argument error: %s", err)
		return
	}
	chaincodeLang = strings.ToUpper(chaincodeLang)
	spec := &pb.ChaincodeSpec{Type: pb.ChaincodeSpec_Type(pb.ChaincodeSpec_Type_value[chaincodeLang]),
		ChaincodeID: &pb.ChaincodeID{Path: chaincodePath, Name: chaincodeName}, CtorMsg: input}

	// If security is enabled, add client login token
	if viper.GetBool("security.enabled") {
		logger.Debug("Security is enabled. Include security context in deploy spec")
		if chaincodeUsr == undefinedParamValue {
			err = errors.New("Must supply username for chaincode when security is enabled")
			return
		}

		// Retrieve the CLI data storage path
		// Returns /var/openchain/production/client/
		localStore := getCliFilePath()

		// Check if the user is logged in before sending transaction
		if _, err = os.Stat(localStore + "loginToken_" + chaincodeUsr); err == nil {
			logger.Info("Local user '%s' is already logged in. Retrieving login token.\n", chaincodeUsr)

			// Read in the login token
			token, err := ioutil.ReadFile(localStore + "loginToken_" + chaincodeUsr)
			if err != nil {
				panic(fmt.Errorf("Fatal error when reading client login token: %s\n", err))
			}

			// Add the login token to the chaincodeSpec
			spec.SecureContext = string(token)

			// If privacy is enabled, mark chaincode as confidential
			if viper.GetBool("security.privacy") {
				logger.Info("Set confidentiality level to CONFIDENTIAL.\n")
				spec.ConfidentialityLevel = pb.ConfidentialityLevel_CONFIDENTIAL
			}
		} else {
			// Check if the token is not there and fail
			if os.IsNotExist(err) {
				err = fmt.Errorf("User '%s' not logged in. Use the 'login' command to obtain a security token.", chaincodeUsr)
				return
			}
			// Unexpected error
			panic(fmt.Errorf("Fatal error when checking for client login token: %s\n", err))
		}
	}

	chaincodeDeploymentSpec, err := devopsClient.Deploy(context.Background(), spec)
	if err != nil {
		err = fmt.Errorf("Error building %s: %s\n", chainFuncName, err)
		return
	}
	logger.Info("Deploy result: %s", chaincodeDeploymentSpec.ChaincodeSpec)
	fmt.Println(chaincodeDeploymentSpec.ChaincodeSpec.ChaincodeID.Name)
	return nil
}