区块链 创建Hyperledger Fabric区块链网络

编程语言 2018-12-15 12:00:49 阅读次数: 0

fabric-samples-1.4.0 开发搭建

一、环境安装前准备：

（1）首先安装基本工具

yum install git
yum install curl
yum -y install epel-release
yum install python-pip
pip install --upgrade pip

（2）安装Docker，安装好后可以确认Docker和Docker Compose的版本：

docker --version
docker-compose --version

（2）安装Go语言

# go 环境变量
export PATH=$PATH:/usr/local/go/bin
export GOROOT=/usr/local/go
export GOPATH=$HOME/go
export PATH=$PATH:$HOME/go/bin
# go 版本
go version

（3）安装Node.js

yum install gcc gcc-c++
gcc -v

4.8.5版本过低，若已为最新版请跳过至步骤，升级gcc，前往http://ftp.gnu.org/gnu/gcc/下载你想要的版本

wget http://ftp.gnu.org/gnu/gcc/gcc-8.2.0/gcc-8.2.0.tar.gz
tar -C /usr/local -xzf gcc-8.2.0.tar.gz
cd /usr/local/gcc-8.2.0
./contrib/download_prerequisites  
mkdir build  
cd build  
../configure -enable-checking=release -enable-languages=c,c++ disable-multilib  
yum groupinstall "Development Tools" 
make           #需要很长时间
make install 
reboot           #重启

（4）继续安装nodejs

node -v

（5）安装 npm

npm install npm -g
npm -v

二、 下载fabric-samples源码

（1）git clone https://github.com/hyperledger/fabric-samples.git
（2）目前官网默认是 1.3 版本需要修改配置文件

注意：需要安装二进制可执行文件 和配置文件，可以提前下载好二进制文件上传到
/root/go/src/github.com/hyperledger/fabric-samples 下
下载地址：https://download.csdn.net/download/liruizi/10849641

#进入 scripts 目录
/root/go/src/github.com/hyperledger/fabric-samples/scripts
[root@localhost scripts]# vi bootstrap.sh

在这里插入图片描述

三、想要现在运行吗

fabric提供一个完全注释的脚本byfn.sh，利用这些Docker镜像可以快速引导一个由4个代表2个不同组织的peer节点以及一个排序服务节点的Hyperledger fabric网络。它还将启动一个容器来运行一个将peer节点加入channel、部署实例化链码服务以及驱动已经部署的链码执行交易的脚本。

以下是该byfn.sh脚本的帮助文档：
./byfn.sh -h
Usage:
  byfn.sh -m up|down|restart|generate [-c <channel name>] [-t <timeout>]
  byfn.sh -h|--help (print this message)
    -m <mode> - one of 'up', 'down', 'restart' or 'generate'
      - 'up' - bring up the network with docker-compose up
      - 'down' - bring up the network with docker-compose up
      - 'restart' - bring up the network with docker-compose up
      - 'generate' - generate required certificates and genesis block
    -c <channel name> - config name to use (defaults to "mychannel")
    -t <timeout> - CLI timeout duration in microseconds (defaults to 10000)

Typically, one would first generate the required certificates and
genesis block, then bring up the network. e.g.:

  byfn.sh -m generate -c <channelname>
  byfn.sh -m up -c <channelname>

如果你选择不提供channel名称，则脚本将使用默认名称mychannel。CLI超时参数（用-t标志指定）是一个可选值;如果你选择不设置它，那么CLI容器将会在脚本执行完之后退出。

生成网络神器

准备好了吗？好吧！执行以下命令。你将会看到会发生什么伴随yes/no命令行提示的简要说明。输入y来执行描述的动作。

./byfn.sh -m generate
Generating certs and genesis block for channel 'mychannel' with CLI timeout of '10' seconds and CLI delay of '3' seconds
Continue? [Y/n] y
proceeding ...
/root/go/src/github.com/hyperledger/fabric-samples/bin/cryptogen

##########################################################
##### Generate certificates using cryptogen tool #########
##########################################################
+ cryptogen generate --config=./crypto-config.yaml
org1.example.com
org2.example.com
+ res=0
+ set +x

/root/go/src/github.com/hyperledger/fabric-samples/bin/configtxgen
##########################################################
#########  Generating Orderer Genesis block ##############
##########################################################
+ configtxgen -profile TwoOrgsOrdererGenesis -outputBlock ./channel-artifacts/genesis.block
2018-12-14 09:14:11.119 CST [common.tools.configtxgen] main -> WARN 001 Omitting the channel ID for configtxgen for output operations is deprecated.  Explicitly passing the channel ID will be required in the future, defaulting to 'testchainid'.
2018-12-14 09:14:11.119 CST [common.tools.configtxgen] main -> INFO 002 Loading configuration
2018-12-14 09:14:11.131 CST [common.tools.configtxgen.localconfig] completeInitialization -> INFO 003 orderer type: solo
2018-12-14 09:14:11.131 CST [common.tools.configtxgen.localconfig] Load -> INFO 004 Loaded configuration: /root/go/src/github.com/hyperledger/fabric-samples/first-network/configtx.yaml
2018-12-14 09:14:11.145 CST [common.tools.configtxgen.localconfig] completeInitialization -> INFO 005 orderer type: solo
2018-12-14 09:14:11.145 CST [common.tools.configtxgen.localconfig] LoadTopLevel -> INFO 006 Loaded configuration: /root/go/src/github.com/hyperledger/fabric-samples/first-network/configtx.yaml
2018-12-14 09:14:11.149 CST [common.tools.configtxgen] doOutputBlock -> INFO 007 Generating genesis block
2018-12-14 09:14:11.151 CST [common.tools.configtxgen] doOutputBlock -> INFO 008 Writing genesis block
+ res=0
+ set +x

#################################################################
### Generating channel configuration transaction 'channel.tx' ###
#################################################################
+ configtxgen -profile TwoOrgsChannel -outputCreateChannelTx ./channel-artifacts/channel.tx -channelID mychannel
2018-12-14 09:14:11.196 CST [common.tools.configtxgen] main -> INFO 001 Loading configuration
2018-12-14 09:14:11.215 CST [common.tools.configtxgen.localconfig] Load -> INFO 002 Loaded configuration: /root/go/src/github.com/hyperledger/fabric-samples/first-network/configtx.yaml
2018-12-14 09:14:11.230 CST [common.tools.configtxgen.localconfig] completeInitialization -> INFO 003 orderer type: solo
2018-12-14 09:14:11.230 CST [common.tools.configtxgen.localconfig] LoadTopLevel -> INFO 004 Loaded configuration: /root/go/src/github.com/hyperledger/fabric-samples/first-network/configtx.yaml
2018-12-14 09:14:11.231 CST [common.tools.configtxgen] doOutputChannelCreateTx -> INFO 005 Generating new channel configtx
2018-12-14 09:14:11.232 CST [common.tools.configtxgen] doOutputChannelCreateTx -> INFO 006 Writing new channel tx
+ res=0
+ set +x

#################################################################
#######    Generating anchor peer update for Org1MSP   ##########
#################################################################
+ configtxgen -profile TwoOrgsChannel -outputAnchorPeersUpdate ./channel-artifacts/Org1MSPanchors.tx -channelID mychannel -asOrg Org1MSP
2018-12-14 09:14:11.277 CST [common.tools.configtxgen] main -> INFO 001 Loading configuration
2018-12-14 09:14:11.293 CST [common.tools.configtxgen.localconfig] Load -> INFO 002 Loaded configuration: /root/go/src/github.com/hyperledger/fabric-samples/first-network/configtx.yaml
2018-12-14 09:14:11.309 CST [common.tools.configtxgen.localconfig] completeInitialization -> INFO 003 orderer type: solo
2018-12-14 09:14:11.309 CST [common.tools.configtxgen.localconfig] LoadTopLevel -> INFO 004 Loaded configuration: /root/go/src/github.com/hyperledger/fabric-samples/first-network/configtx.yaml
2018-12-14 09:14:11.309 CST [common.tools.configtxgen] doOutputAnchorPeersUpdate -> INFO 005 Generating anchor peer update
2018-12-14 09:14:11.309 CST [common.tools.configtxgen] doOutputAnchorPeersUpdate -> INFO 006 Writing anchor peer update
+ res=0
+ set +x

#################################################################
#######    Generating anchor peer update for Org2MSP   ##########
#################################################################
+ configtxgen -profile TwoOrgsChannel -outputAnchorPeersUpdate ./channel-artifacts/Org2MSPanchors.tx -channelID mychannel -asOrg Org2MSP
2018-12-14 09:14:11.355 CST [common.tools.configtxgen] main -> INFO 001 Loading configuration
2018-12-14 09:14:11.371 CST [common.tools.configtxgen.localconfig] Load -> INFO 002 Loaded configuration: /root/go/src/github.com/hyperledger/fabric-samples/first-network/configtx.yaml
2018-12-14 09:14:11.387 CST [common.tools.configtxgen.localconfig] completeInitialization -> INFO 003 orderer type: solo
2018-12-14 09:14:11.387 CST [common.tools.configtxgen.localconfig] LoadTopLevel -> INFO 004 Loaded configuration: /root/go/src/github.com/hyperledger/fabric-samples/first-network/configtx.yaml
2018-12-14 09:14:11.387 CST [common.tools.configtxgen] doOutputAnchorPeersUpdate -> INFO 005 Generating anchor peer update
2018-12-14 09:14:11.388 CST [common.tools.configtxgen] doOutputAnchorPeersUpdate -> INFO 006 Writing anchor peer update
+ res=0
+ set +x

第一步生成我们各种网络实体的所有证书和密钥，genesis block用于引导排序服务，以及配置Channel所需要的一组交易配置集合。

启动网络

接下来，你可以使用以下命令来启动整个网络。再试提示你是否继续。回答y：

./byfn.sh -m up
Starting for channel 'mychannel' with CLI timeout of '10' seconds and CLI delay of '3' seconds
Continue? [Y/n] y
proceeding ...
LOCAL_VERSION=1.4.0
DOCKER_IMAGE_VERSION=1.4.0-rc1
=================== WARNING ===================
  Local fabric binaries and docker images are  
  out of  sync. This may cause problems.       
===============================================
Creating network "net_byfn" with the default driver
Creating volume "net_peer0.org2.example.com" with default driver
Creating volume "net_peer1.org2.example.com" with default driver
Creating volume "net_peer1.org1.example.com" with default driver
Creating volume "net_peer0.org1.example.com" with default driver
Creating volume "net_orderer.example.com" with default driver
Pulling orderer.example.com (hyperledger/fabric-orderer:latest)...
latest: Pulling from hyperledger/fabric-orderer
3b37166ec614: Already exists
504facff238f: Already exists
ebbcacd28e10: Already exists
c7fb3351ecad: Already exists
2e3debadcbf7: Already exists
fc435e46e32e: Already exists
a4922bafdce8: Already exists
2cb4429027c1: Already exists
8c2b02bf9e47: Pull complete
7e18daca12c4: Pull complete
Creating peer0.org1.example.com ... done
Creating peer0.org2.example.com ... done
Creating orderer.example.com    ... done
Creating peer1.org1.example.com ... done
Creating peer1.org2.example.com ... done
Creating cli                    ... done

 ____    _____      _      ____    _____ 
/ ___|  |_   _|    / \    |  _ \  |_   _|
\___ \    | |     / _ \   | |_) |   | |  
 ___) |   | |    / ___ \  |  _ <    | |  
|____/    |_|   /_/   \_\ |_| \_\   |_|  

Build your first network (BYFN) end-to-end test

Channel name : mychannel
Creating channel...
+ peer channel create -o orderer.example.com:7050 -c mychannel -f ./channel-artifacts/channel.tx --tls true --cafile /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/ordererOrganizations/example.com/orderers/orderer.example.com/msp/tlscacerts/tlsca.example.com-cert.pem
+ res=0
+ set +x
2018-12-14 01:14:52.493 UTC [main] InitCmd -> WARN 001 CORE_LOGGING_LEVEL is no longer supported, please use the FABRIC_LOGGING_SPEC environment variable
2018-12-14 01:14:52.513 UTC [main] SetOrdererEnv -> WARN 002 CORE_LOGGING_LEVEL is no longer supported, please use the FABRIC_LOGGING_SPEC environment variable
2018-12-14 01:14:52.516 UTC [channelCmd] InitCmdFactory -> INFO 003 Endorser and orderer connections initialized
2018-12-14 01:14:52.547 UTC [cli.common] readBlock -> INFO 004 Received block: 0
===================== Channel 'mychannel' created ===================== 

Having all peers join the channel...
+ peer channel join -b mychannel.block
+ res=0
+ set +x
2018-12-14 01:14:52.602 UTC [main] InitCmd -> WARN 001 CORE_LOGGING_LEVEL is no longer supported, please use the FABRIC_LOGGING_SPEC environment variable
2018-12-14 01:14:52.616 UTC [main] SetOrdererEnv -> WARN 002 CORE_LOGGING_LEVEL is no longer supported, please use the FABRIC_LOGGING_SPEC environment variable
2018-12-14 01:14:52.619 UTC [channelCmd] InitCmdFactory -> INFO 003 Endorser and orderer connections initialized
2018-12-14 01:14:52.638 UTC [channelCmd] executeJoin -> INFO 004 Successfully submitted proposal to join channel
===================== peer0.org1 joined channel 'mychannel' ===================== 

+ peer channel join -b mychannel.block
+ res=0
+ set +x
2018-12-14 01:14:55.755 UTC [main] InitCmd -> WARN 001 CORE_LOGGING_LEVEL is no longer supported, please use the FABRIC_LOGGING_SPEC environment variable
2018-12-14 01:14:55.768 UTC [main] SetOrdererEnv -> WARN 002 CORE_LOGGING_LEVEL is no longer supported, please use the FABRIC_LOGGING_SPEC environment variable
2018-12-14 01:14:55.771 UTC [channelCmd] InitCmdFactory -> INFO 003 Endorser and orderer connections initialized
2018-12-14 01:14:55.797 UTC [channelCmd] executeJoin -> INFO 004 Successfully submitted proposal to join channel
===================== peer1.org1 joined channel 'mychannel' ===================== 

+ peer channel join -b mychannel.block
+ res=0
+ set +x
2018-12-14 01:14:58.901 UTC [main] InitCmd -> WARN 001 CORE_LOGGING_LEVEL is no longer supported, please use the FABRIC_LOGGING_SPEC environment variable
2018-12-14 01:14:58.914 UTC [main] SetOrdererEnv -> WARN 002 CORE_LOGGING_LEVEL is no longer supported, please use the FABRIC_LOGGING_SPEC environment variable
2018-12-14 01:14:58.918 UTC [channelCmd] InitCmdFactory -> INFO 003 Endorser and orderer connections initialized
2018-12-14 01:14:58.953 UTC [channelCmd] executeJoin -> INFO 004 Successfully submitted proposal to join channel
===================== peer0.org2 joined channel 'mychannel' ===================== 

+ peer channel join -b mychannel.block
+ res=0
+ set +x
2018-12-14 01:15:02.062 UTC [main] InitCmd -> WARN 001 CORE_LOGGING_LEVEL is no longer supported, please use the FABRIC_LOGGING_SPEC environment variable
2018-12-14 01:15:02.075 UTC [main] SetOrdererEnv -> WARN 002 CORE_LOGGING_LEVEL is no longer supported, please use the FABRIC_LOGGING_SPEC environment variable
2018-12-14 01:15:02.078 UTC [channelCmd] InitCmdFactory -> INFO 003 Endorser and orderer connections initialized
2018-12-14 01:15:02.096 UTC [channelCmd] executeJoin -> INFO 004 Successfully submitted proposal to join channel
===================== peer1.org2 joined channel 'mychannel' ===================== 

Updating anchor peers for org1...
+ peer channel update -o orderer.example.com:7050 -c mychannel -f ./channel-artifacts/Org1MSPanchors.tx --tls true --cafile /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/ordererOrganizations/example.com/orderers/orderer.example.com/msp/tlscacerts/tlsca.example.com-cert.pem
+ res=0
+ set +x
2018-12-14 01:15:05.219 UTC [main] InitCmd -> WARN 001 CORE_LOGGING_LEVEL is no longer supported, please use the FABRIC_LOGGING_SPEC environment variable
2018-12-14 01:15:05.234 UTC [main] SetOrdererEnv -> WARN 002 CORE_LOGGING_LEVEL is no longer supported, please use the FABRIC_LOGGING_SPEC environment variable
2018-12-14 01:15:05.237 UTC [channelCmd] InitCmdFactory -> INFO 003 Endorser and orderer connections initialized
2018-12-14 01:15:05.252 UTC [channelCmd] update -> INFO 004 Successfully submitted channel update
===================== Anchor peers updated for org 'Org1MSP' on channel 'mychannel' ===================== 

Updating anchor peers for org2...
+ peer channel update -o orderer.example.com:7050 -c mychannel -f ./channel-artifacts/Org2MSPanchors.tx --tls true --cafile /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/ordererOrganizations/example.com/orderers/orderer.example.com/msp/tlscacerts/tlsca.example.com-cert.pem
+ res=0
+ set +x
2018-12-14 01:15:08.307 UTC [main] InitCmd -> WARN 001 CORE_LOGGING_LEVEL is no longer supported, please use the FABRIC_LOGGING_SPEC environment variable
2018-12-14 01:15:08.321 UTC [main] SetOrdererEnv -> WARN 002 CORE_LOGGING_LEVEL is no longer supported, please use the FABRIC_LOGGING_SPEC environment variable
2018-12-14 01:15:08.325 UTC [channelCmd] InitCmdFactory -> INFO 003 Endorser and orderer connections initialized
2018-12-14 01:15:08.351 UTC [channelCmd] update -> INFO 004 Successfully submitted channel update
===================== Anchor peers updated for org 'Org2MSP' on channel 'mychannel' ===================== 

Installing chaincode on peer0.org1...
+ peer chaincode install -n mycc -v 1.0 -l golang -p github.com/chaincode/chaincode_example02/go/
+ res=0
+ set +x
2018-12-14 01:15:11.447 UTC [main] InitCmd -> WARN 001 CORE_LOGGING_LEVEL is no longer supported, please use the FABRIC_LOGGING_SPEC environment variable
2018-12-14 01:15:11.468 UTC [main] SetOrdererEnv -> WARN 002 CORE_LOGGING_LEVEL is no longer supported, please use the FABRIC_LOGGING_SPEC environment variable
2018-12-14 01:15:11.477 UTC [chaincodeCmd] checkChaincodeCmdParams -> INFO 003 Using default escc
2018-12-14 01:15:11.477 UTC [chaincodeCmd] checkChaincodeCmdParams -> INFO 004 Using default vscc
2018-12-14 01:15:12.045 UTC [chaincodeCmd] install -> INFO 005 Installed remotely response:<status:200 payload:"OK" > 
===================== Chaincode is installed on peer0.org1 ===================== 

Install chaincode on peer0.org2...
+ peer chaincode install -n mycc -v 1.0 -l golang -p github.com/chaincode/chaincode_example02/go/
+ res=0
+ set +x
2018-12-14 01:15:12.106 UTC [main] InitCmd -> WARN 001 CORE_LOGGING_LEVEL is no longer supported, please use the FABRIC_LOGGING_SPEC environment variable
2018-12-14 01:15:12.121 UTC [main] SetOrdererEnv -> WARN 002 CORE_LOGGING_LEVEL is no longer supported, please use the FABRIC_LOGGING_SPEC environment variable
2018-12-14 01:15:12.130 UTC [chaincodeCmd] checkChaincodeCmdParams -> INFO 003 Using default escc
2018-12-14 01:15:12.130 UTC [chaincodeCmd] checkChaincodeCmdParams -> INFO 004 Using default vscc
2018-12-14 01:15:12.345 UTC [chaincodeCmd] install -> INFO 005 Installed remotely response:<status:200 payload:"OK" > 
===================== Chaincode is installed on peer0.org2 ===================== 

Instantiating chaincode on peer0.org2...
+ peer chaincode instantiate -o orderer.example.com:7050 --tls true --cafile /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/ordererOrganizations/example.com/orderers/orderer.example.com/msp/tlscacerts/tlsca.example.com-cert.pem -C mychannel -n mycc -l golang -v 1.0 -c '{"Args":["init","a","100","b","200"]}' -P 'AND ('\''Org1MSP.peer'\'','\''Org2MSP.peer'\'')'
+ res=0
+ set +x
2018-12-14 01:15:12.403 UTC [main] InitCmd -> WARN 001 CORE_LOGGING_LEVEL is no longer supported, please use the FABRIC_LOGGING_SPEC environment variable
2018-12-14 01:15:12.418 UTC [main] SetOrdererEnv -> WARN 002 CORE_LOGGING_LEVEL is no longer supported, please use the FABRIC_LOGGING_SPEC environment variable
2018-12-14 01:15:12.430 UTC [chaincodeCmd] checkChaincodeCmdParams -> INFO 003 Using default escc
2018-12-14 01:15:12.430 UTC [chaincodeCmd] checkChaincodeCmdParams -> INFO 004 Using default vscc
===================== Chaincode is instantiated on peer0.org2 on channel 'mychannel' ===================== 

Querying chaincode on peer0.org1...
===================== Querying on peer0.org1 on channel 'mychannel'... ===================== 
Attempting to Query peer0.org1 ...3 secs
+ peer chaincode query -C mychannel -n mycc -c '{"Args":["query","a"]}'
+ res=0
+ set +x

2018-12-14 01:15:47.996 UTC [main] InitCmd -> WARN 001 CORE_LOGGING_LEVEL is no longer supported, please use the FABRIC_LOGGING_SPEC environment variable
2018-12-14 01:15:48.010 UTC [main] SetOrdererEnv -> WARN 002 CORE_LOGGING_LEVEL is no longer supported, please use the FABRIC_LOGGING_SPEC environment variable
100
===================== Query successful on peer0.org1 on channel 'mychannel' ===================== 
Sending invoke transaction on peer0.org1 peer0.org2...
+ peer chaincode invoke -o orderer.example.com:7050 --tls true --cafile /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/ordererOrganizations/example.com/orderers/orderer.example.com/msp/tlscacerts/tlsca.example.com-cert.pem -C mychannel -n mycc --peerAddresses peer0.org1.example.com:7051 --tlsRootCertFiles /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org1.example.com/peers/peer0.org1.example.com/tls/ca.crt --peerAddresses peer0.org2.example.com:7051 --tlsRootCertFiles /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org2.example.com/peers/peer0.org2.example.com/tls/ca.crt -c '{"Args":["invoke","a","b","10"]}'
+ res=0
+ set +x
2018-12-14 01:16:14.158 UTC [main] InitCmd -> WARN 001 CORE_LOGGING_LEVEL is no longer supported, please use the FABRIC_LOGGING_SPEC environment variable
2018-12-14 01:16:14.172 UTC [main] SetOrdererEnv -> WARN 002 CORE_LOGGING_LEVEL is no longer supported, please use the FABRIC_LOGGING_SPEC environment variable
2018-12-14 01:16:14.265 UTC [chaincodeCmd] chaincodeInvokeOrQuery -> INFO 003 Chaincode invoke successful. result: status:200 
===================== Invoke transaction successful on peer0.org1 peer0.org2 on channel 'mychannel' ===================== 

Installing chaincode on peer1.org2...
+ peer chaincode install -n mycc -v 1.0 -l golang -p github.com/chaincode/chaincode_example02/go/
+ res=0
+ set +x
2018-12-14 01:16:14.306 UTC [main] InitCmd -> WARN 001 CORE_LOGGING_LEVEL is no longer supported, please use the FABRIC_LOGGING_SPEC environment variable
2018-12-14 01:16:14.321 UTC [main] SetOrdererEnv -> WARN 002 CORE_LOGGING_LEVEL is no longer supported, please use the FABRIC_LOGGING_SPEC environment variable
2018-12-14 01:16:14.332 UTC [chaincodeCmd] checkChaincodeCmdParams -> INFO 003 Using default escc
2018-12-14 01:16:14.332 UTC [chaincodeCmd] checkChaincodeCmdParams -> INFO 004 Using default vscc
2018-12-14 01:16:14.668 UTC [chaincodeCmd] install -> INFO 005 Installed remotely response:<status:200 payload:"OK" > 
===================== Chaincode is installed on peer1.org2 ===================== 

Querying chaincode on peer1.org2...
===================== Querying on peer1.org2 on channel 'mychannel'... ===================== 
Attempting to Query peer1.org2 ...3 secs
+ peer chaincode query -C mychannel -n mycc -c '{"Args":["query","a"]}'
+ res=0
+ set +x

2018-12-14 01:16:17.816 UTC [main] InitCmd -> WARN 001 CORE_LOGGING_LEVEL is no longer supported, please use the FABRIC_LOGGING_SPEC environment variable
2018-12-14 01:16:17.829 UTC [main] SetOrdererEnv -> WARN 002 CORE_LOGGING_LEVEL is no longer supported, please use the FABRIC_LOGGING_SPEC environment variable
90
===================== Query successful on peer1.org2 on channel 'mychannel' ===================== 

========= All GOOD, BYFN execution completed =========== 


 _____   _   _   ____   
| ____| | \ | | |  _ \  
|  _|   |  \| | | | | | 
| |___  | |\  | | |_| | 
|_____| |_| \_| |____/

你可以滚动这些日志去查看各种交易。如果你没有获得这个结果，请移步疑难解答部分，看看我们是否可以帮助你发现问题。

关闭网络

最后，让我们把它全部停下来，这样我们可以一步一步地探索网络设置。以下操作将关闭你的容器，移除加密材料和4个配置信息，并且从Docker仓库删除chaincode镜像。你将再一次被提示是否继续，回答y：

./byfn.sh -m down
Stopping with channel 'mychannel' and CLI timeout of '10000'
Continue (y/n)?y
proceeding ...
WARNING: The CHANNEL_NAME variable is not set. Defaulting to a blank string.
WARNING: The TIMEOUT variable is not set. Defaulting to a blank string.
Removing network net_byfn
468aaa6201ed
...
Untagged: dev-peer1.org2.example.com-mycc-1.0:latest
Deleted: sha256:ed3230614e64e1c83e510c0c282e982d2b06d148b1c498bbdcc429e2b2531e91
...

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