接下来，继续细分 docker exec cli scripts/script.sh mychannel 3 golang 10 false 这个命令等同于以下操作：
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首先进入 cli 容器：
docker exec -it cli bash
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接下来在容器里操作，配置环境变量:
export CORE_PEER_MSPCONFIGPATH=/opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org1.example.com/users/Admin@org1.example.com/msp
export CORE_PEER_ADDRESS=peer0.org1.example.com:7051
export CORE_PEER_LOCALMSPID="Org1MSP"
export CORE_PEER_TLS_ROOTCERT_FILE=/opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org1.example.com/peers/peer0.org1.example.com/tls/ca.crt
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创建 mychannel 通道(相当于通过创世区块创建区块链，每个通道相当于每条独立的区块链)：
export CHANNEL_NAME=mychannel
peer channel create -o orderer.example.com:7050 -c $CHANNEL_NAME -f ./channel-artifacts/channel.tx --tls --cafile /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/ordererOrganizations/example.com/orderers/orderer.example.com/msp/tlscacerts/tlsca.example.com-cert.pem
输出日志：
2018-08-23 06:56:14.257 UTC [channelCmd] InitCmdFactory -> INFO 001 Endorser and orderer connections initialized
2018-08-23 06:56:14.273 UTC [cli/common] readBlock -> INFO 002 Got status: &{NOT_FOUND}
2018-08-23 06:56:14.274 UTC [channelCmd] InitCmdFactory -> INFO 003 Endorser and orderer connections initialized
2018-08-23 06:56:14.480 UTC [cli/common] readBlock -> INFO 004 Received block: 0
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节点加入 mychannel 通道(相当于节点加入区块链网络)：
加入通道需要用到环境变量的值，默认为 peer0.org1 节点加入通道
peer channel join -b mychannel.block
输出日志：
2018-08-23 07:10:09.620 UTC [channelCmd] InitCmdFactory -> INFO 001 Endorser and orderer connections initialized
2018-08-23 07:10:09.729 UTC [channelCmd] executeJoin -> INFO 002 Successfully submitted proposal to join channel
要其他节点也加入 mychannel 通道，需要修改环境变量的值，也很简单，举个例子,如果 peer1.org2 节点加入通道，只要把所有环境变量值出现 org1 替换成 org2 ，并把 CORE_PEER_ADDRESS值中的 peer0 替换成 peer1 ，如下：
CORE_PEER_MSPCONFIGPATH=/opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org2.example.com/users/Admin@org2.example.com/msp
CORE_PEER_ADDRESS=peer1.org2.example.com:7051
CORE_PEER_LOCALMSPID="Org2MSP"
CORE_PEER_TLS_ROOTCERT_FILE=/opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org2.example.com/peers/peer0.org2.example.com/tls/ca.crt
修改后继续执行：peer channel join -b mychannel.block，同理完成 peer0.org2，peer1.org1，peer1.org2 加入 mychannel 通道
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更新通道的锚节点，实质上是在通道的创世块之上添加了额外的配置信息(所谓锚节点就是某联盟在通道中公开链接的一个或多个节点)
更新通道中 Org1 组织的锚节点为 peer0.org1.example.com：
首先确保环境变量是 peer0.org1 的信息：
CORE_PEER_MSPCONFIGPATH=/opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org1.example.com/users/Admin@org1.example.com/msp
CORE_PEER_ADDRESS=peer0.org1.example.com:7051
CORE_PEER_LOCALMSPID="Org1MSP"
CORE_PEER_TLS_ROOTCERT_FILE=/opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org1.example.com/peers/peer0.org1.example.com/tls/ca.crt
然后更新
peer channel update -o orderer.example.com:7050 -c $CHANNEL_NAME -f ./channel-artifacts/Org1MSPanchors.tx --tls --cafile /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/ordererOrganizations/example.com/orderers/orderer.example.com/msp/tlscacerts/tlsca.example.com-cert.pem
更新通道中 Org2 组织的锚节点为 peer0.org2.example.com：
首先确保环境变量是 peer0.org2 的信息：
CORE_PEER_MSPCONFIGPATH=/opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org2.example.com/users/Admin@org2.example.com/msp
CORE_PEER_ADDRESS=peer0.org2.example.com:7051
CORE_PEER_LOCALMSPID="Org2MSP"
CORE_PEER_TLS_ROOTCERT_FILE=/opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org2.example.com/peers/peer0.org2.example.com/tls/ca.crt
然后更新
peer channel update -o orderer.example.com:7050 -c $CHANNEL_NAME -f ./channel-artifacts/Org2MSPanchors.tx --tls --cafile /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/ordererOrganizations/example.com/orderers/orderer.example.com/msp/tlscacerts/tlsca.example.com-cert.pem
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安装和实例化Chaincode
安装 golang版 Chaincode ，安装到的节点为环境变量的配置节点:
peer chaincode install -n mycc -v 1.0 -p github.com/chaincode/chaincode_example02/go/
日志输出：
2018-08-23 11:25:20.439 UTC [chaincodeCmd] checkChaincodeCmdParams -> INFO 001 Using default escc
2018-08-23 11:25:20.439 UTC [chaincodeCmd] checkChaincodeCmdParams -> INFO 002 Using default vscc
2018-08-23 11:25:20.831 UTC [chaincodeCmd] install -> INFO 003 Installed remotely response:<status:200 payload:"OK" >
接下来，在通道上实例化链码。这将初始化通道上的链代码，设置链代码的认可策略，并为目标节点启动链代码容器：
peer chaincode instantiate -o orderer.example.com:7050 --tls --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 $CHANNEL_NAME -n mycc -v 1.0 -c '{"Args":["init","a", "100", "b","200"]}' -P "AND ('Org1MSP.peer','Org2MSP.peer')"
日志输出：
2018-08-23 11:31:33.050 UTC [chaincodeCmd] checkChaincodeCmdParams -> INFO 001 Using default escc
2018-08-23 11:31:33.050 UTC [chaincodeCmd] checkChaincodeCmdParams -> INFO 002 Using default vscc
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查询以确保链代码已正确实例化并填充状态数据库
peer chaincode query -C $CHANNEL_NAME -n mycc -c '{"Args":["query","a"]}'
日志输出：
100
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调用，a取10给b
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 $CHANNEL_NAME -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"]}'
输出
INFO 001 Chaincode invoke successful. result: status:200
查询结果得到： a：90，b:210，成功结束
