扩容新节点

标签:Air版区块链网络 扩容


重要

相关软件和环境版本说明!请查看

build_chain.sh提供了扩容新节点功能,本章在搭建第一个区块链网络的基础上扩容一个新的区块链节点,帮助用户掌握Air版本FISCO BCOS区块链节点的扩容步骤。

注解

进行节点扩容操作前,请先参考 搭建第一个区块链网络 部署Pro版本区块链。

1. 准备扩容所需文件

Air版本区块链扩容时,需要提前准备证书和配置文件,用于生成扩容节点配置,需要准备的文件包括:

  • CA证书和CA私钥: 用于为新扩容的节点颁发节点证书
  • 节点配置文件config.ini: 可从已有的节点目录中拷贝。
  • 节点创世块配置文件config.genesis: 可从已有的节点目录中拷贝。
  • 节点连接配置nodes.json: 配置所有节点连接的IP和端口信息,可从已有的节点目录中拷贝,并加上新节点的IP和端口。

注解

Air版本区块链节点根证书位于搭链时生成的目录下,可进入搭建节点时生成的文件夹(如:搭建第一个区块链网络 生成的节点配置文件夹是`nodes`),通过 find . -name ca 查找链的根证书

这里以搭建第一个区块链网络为基础,基于node0扩容一个新节点node4为例:

# 进入操作目录(Note: 进行本操作之前,请参考【搭建第一个区块链网络节点】部署一条Air版FISCO BCOS区块链)
$ cd ~/fisco/nodes

# 创建扩容配置存放目录
$ mkdir config

# 拷贝根证书、根证书私钥
$ cp -r nodes/ca config

# 从被扩容节点node0拷贝节点配置文件config.ini,创世块配置文件config.genesis以及节点连接配置文件nodes.json
$ cp nodes/127.0.0.1/node0/config.ini config/
$ cp nodes/127.0.0.1/node0/config.genesis config/
$ cp nodes/127.0.0.1/node0/nodes.json config/nodes.json.tmp

# 设置新节点P2P和RPC监听端口
# macOS系统(设置P2P监听端口为30304,RPC监听端口为20204)
$ sed -i .bkp 's/listen_port=30300/listen_port=30304/g' config/config.ini
$ sed -i .bkp 's/listen_port=20200/listen_port=20204/g' config/config.ini
# linux系统(设置P2P监听端口为30304,RPC监听端口为20204)
$ sed -i 's/listen_port=30300/listen_port=30304/g' config/config.ini
$ sed -i 's/listen_port=20200/listen_port=20204/g' config/config.ini

# 将新节点连接加入到nodes.json
$ sed -e 's/"nodes":\[/"nodes":\["127.0.0.1:30304",/' config/nodes.json.tmp > config/nodes.json
# 确认新节点连接信息: 127.0.0.1:30304加入成功
$ cat config/nodes.json
{"nodes":["127.0.0.1:30304","127.0.0.1:30300","127.0.0.1:30301","127.0.0.1:30302","127.0.0.1:30303"]}

2. 扩容新节点

注解

步骤1:生成扩容节点配置

准备好配置文件后,使用建链脚本build_chain.sh扩容新节点node4:

# 进入操作目录
cd ~/fisco

# 调用build_chain.sh扩容节点,新节点扩容到nodes/127.0.0.1/node4目录
# -c: 指定扩容配置config.ini, config.genesis和nodes.json路径
# -d: 指定CA证书和私钥的路径
# -o: 指定扩容节点配置所在目录
bash build_chain.sh -C expand -c config -d config/ca -o nodes/127.0.0.1/node4

当节点输出All completed. Files in nodes/127.0.0.1/node4说明生成扩容配置成功,输出的日志如下:

[INFO] Use binary bin/fisco-bcos
[INFO] generate_node_scripts ...
[INFO] generate_node_scripts success...
[INFO] generate_node_cert ...
[INFO] Generate nodes/127.0.0.1/node4/conf cert successful!
[INFO] generate_node_cert success...
[INFO] generate_node_account ...
[INFO] generate_node_account success...
[INFO] copy configurations ...
[INFO] copy configurations success...
==============================================================
[INFO] fisco-bcos Path       : .bin/fisco-bcos
[INFO] sdk dir         : nodes/127.0.0.1/sdk
[INFO] SM Model         : false
[INFO] output dir         : nodes/127.0.0.1/node4
[INFO] All completed. Files in nodes/127.0.0.1/node4

扩容节点node4目录如下:

$ tree nodes/127.0.0.1/node4
nodes/127.0.0.1/node4
├── conf
│   ├── ca.crt
│   ├── cert.cnf
│   ├── node.nodeid
│   ├── node.pem
│   ├── ssl.crt
│   └── ssl.key
├── config.genesis
├── config.ini
├── nodes.json
├── start.sh
└── stop.sh

步骤2:启动扩容节点

bash nodes/127.0.0.1/node4/start.sh

3. 将扩容节点加入为观察节点

注解

步骤1:检查是否所有节点均启动

fisco        79637   4.5  0.1  4979692  19072 s005  S     6:22下午   0:11.49 /home/fisco/nodes/127.0.0.1/node0/../fisco-bcos -c config.ini -g config.genesis
fisco        79695   4.4  0.1  4979692  19080 s005  S     6:22下午   0:11.56 /home/fisco/nodes/127.0.0.1/node2/../fisco-bcos -c config.ini -g config.genesis
fisco        79671   4.3  0.1  5241836  19192 s005  S     6:22下午   0:11.59 /home/fisco/nodes/127.0.0.1/node1/../fisco-bcos -c config.ini -g config.genesis
fisco        79717   4.3  0.1  4979692  19016 s005  S     6:22下午   0:11.38 /home/fisco/nodes/127.0.0.1/node3/../fisco-bcos -c config.ini -g config.genesis
fisco        78968   3.6  0.1  5110764  19116 s005  S     6:16下午   0:21.27 /home/fisco/nodes//127.0.0.1/node4/../fisco-bcos -c config.ini -g config.genesis

步骤2:确定节点NodeID

# 进入操作目录
$ cd ~/fisco

# 获取节点的nodeID
$ cat nodes/127.0.0.1/node4/conf/node.nodeid
51f25a366613ec7524910e3750407278be33d1dd6583b35503dff63d2219469bda55ee4c869a6583526ef1924a3143b776e2553bd07494dfc24716ced3638105

步骤3:通过控制台将节点加为观察节点

=============================================================================================
Welcome to FISCO BCOS console(3.0.0-rc3)!
Type 'help' or 'h' for help. Type 'quit' or 'q' to quit console.
 ________ ______  ______   ______   ______       _______   ______   ______   ______
|        |      \/      \ /      \ /      \     |       \ /      \ /      \ /      \
| $$$$$$$$\$$$$$|  $$$$$$|  $$$$$$|  $$$$$$\    | $$$$$$$|  $$$$$$|  $$$$$$|  $$$$$$\
| $$__     | $$ | $$___\$| $$   \$| $$  | $$    | $$__/ $| $$   \$| $$  | $| $$___\$$
| $$  \    | $$  \$$    \| $$     | $$  | $$    | $$    $| $$     | $$  | $$\$$    \
| $$$$$    | $$  _\$$$$$$| $$   __| $$  | $$    | $$$$$$$| $$   __| $$  | $$_\$$$$$$\
| $$      _| $$_|  \__| $| $$__/  | $$__/ $$    | $$__/ $| $$__/  | $$__/ $|  \__| $$
| $$     |   $$ \\$$    $$\$$    $$\$$    $$    | $$    $$\$$    $$\$$    $$\$$    $$
 \$$      \$$$$$$ \$$$$$$  \$$$$$$  \$$$$$$      \$$$$$$$  \$$$$$$  \$$$$$$  \$$$$$$

=============================================================================================
# 将扩容节点加入为观察节点
[group0]: /> addObserver 51f25a366613ec7524910e3750407278be33d1dd6583b35503dff63d2219469bda55ee4c869a6583526ef1924a3143b776e2553bd07494dfc24716ced3638105
{
    "code":0,
    "msg":"Success"
}
# 确认节点成功加入观察节点
[group0]: /> getObserverList
[
    51f25a366613ec7524910e3750407278be33d1dd6583b35503dff63d2219469bda55ee4c869a6583526ef1924a3143b776e2553bd07494dfc24716ced3638105
]

4. 将扩容节点加入为共识节点

注解

为了保证新节点加入不影响共识,须先将扩容节点加入为观察节点,当扩容节点同步到最新区块时,再将其加入到共识节点。

# 将扩容节点加入为共识节点
[group0]: /> addSealer 51f25a366613ec7524910e3750407278be33d1dd6583b35503dff63d2219469bda55ee4c869a6583526ef1924a3143b776e2553bd07494dfc24716ced3638105 1
{
    "code":0,
    "msg":"Success"
}
# 确认新节点成功加入为共识节点
[group0]: /> getSealerList
[
    Sealer{
        nodeID='e77e78303f1dd1613285560da7b4bcd261d47bdd66762e10791cac529cc372f1f3f61a71cb3cdb14e9fec4a5de2f8defd3c28a2cfd7a9d158d51fdda7c65ca4e',
        weight=1
    },
    Sealer{
        nodeID='78fe081d9b14c60ef3eb49f1c7dcb20689bf548e476009454b1559a44b19affc32fe109510dd5f3e9be59b6b6636e12ca169654820637bb6797d1dc8bce89da1',
        weight=1
    },
    Sealer{
        nodeID='4248f278cef93b5ad83b0fc2eadbca5060c4afe291ea677c4c79fdb51ba85e79af7cf7e6fdc82aba351081431213235f400d572ff5355595b74624cd34d6d11d',
        weight=1
    },
    Sealer{
        nodeID='625f16370e88776b621c686f207c22fa694884af6e54d4586dbcf08dfc97e4d4d929115a99d1849c52ca1ae7be6adf1109f7614856b63466b7ec5879e834f26c',
        weight=1
    },
    Sealer{
        nodeID='51f25a366613ec7524910e3750407278be33d1dd6583b35503dff63d2219469bda55ee4c869a6583526ef1924a3143b776e2553bd07494dfc24716ced3638105',
        weight=1
    }
]

# 部署HelloWorld测试合约
[group0]: /> deploy HelloWorld
transaction hash: 0xbf9f7981cddce678fddde6eb1d5f9bdac5dc4c9161b2d8d56a8bb0ecd55aea62
contract address: 0xC8eAd4B26b2c6Ac14c9fD90d9684c9Bc2cC40085
currentAccount: 0x537149148696c7e6c3449331d77ddfaabc3c7a75

# 确认所有节点都达到了最新区块
[group0]: /> getSyncStatus
SyncStatusInfo{
    isSyncing='false',
    protocolId='null',
    genesisHash='abd2e60531870ce432b382b366f48673cdb454793371bbabaa6e447c94481639',
    nodeId='78fe081d9b14c60ef3eb49f1c7dcb20689bf548e476009454b1559a44b19affc32fe109510dd5f3e9be59b6b6636e12ca169654820637bb6797d1dc8bce89da1',
    blockNumber='3',
    latestHash='48799878c7012407b9376bb1456e65a85a6d481969ea0f5c7ac312ec89882acb',
    knownHighestNumber='3',
    txPoolSize='null',
    peers=[
        PeersInfo{
            nodeId='4248f278cef93b5ad83b0fc2eadbca5060c4afe291ea677c4c79fdb51ba85e79af7cf7e6fdc82aba351081431213235f400d572ff5355595b74624cd34d6d11d',
            genesisHash='abd2e60531870ce432b382b366f48673cdb454793371bbabaa6e447c94481639',
            blockNumber='3',
            latestHash='48799878c7012407b9376bb1456e65a85a6d481969ea0f5c7ac312ec89882acb'
        },
        PeersInfo{
            nodeId='51f25a366613ec7524910e3750407278be33d1dd6583b35503dff63d2219469bda55ee4c869a6583526ef1924a3143b776e2553bd07494dfc24716ced3638105',
            genesisHash='abd2e60531870ce432b382b366f48673cdb454793371bbabaa6e447c94481639',
            blockNumber='3',
            latestHash='48799878c7012407b9376bb1456e65a85a6d481969ea0f5c7ac312ec89882acb'
        },
        PeersInfo{
            nodeId='625f16370e88776b621c686f207c22fa694884af6e54d4586dbcf08dfc97e4d4d929115a99d1849c52ca1ae7be6adf1109f7614856b63466b7ec5879e834f26c',
            genesisHash='abd2e60531870ce432b382b366f48673cdb454793371bbabaa6e447c94481639',
            blockNumber='3',
            latestHash='48799878c7012407b9376bb1456e65a85a6d481969ea0f5c7ac312ec89882acb'
        },
        PeersInfo{
            nodeId='e77e78303f1dd1613285560da7b4bcd261d47bdd66762e10791cac529cc372f1f3f61a71cb3cdb14e9fec4a5de2f8defd3c28a2cfd7a9d158d51fdda7c65ca4e',
            genesisHash='abd2e60531870ce432b382b366f48673cdb454793371bbabaa6e447c94481639',
            blockNumber='3',
            latestHash='48799878c7012407b9376bb1456e65a85a6d481969ea0f5c7ac312ec89882acb'
        }
    ],
    knownLatestHash='48799878c7012407b9376bb1456e65a85a6d481969ea0f5c7ac312ec89882acb'
}

至此,通过build_chain.sh脚本完成了Air版本FISCO BCOS的扩容操作,build_chain.sh脚本使用方法请参考这里。Pro版本FISCO BCOS的扩容请参考Pro版本FISCO BCOS节点扩容