如何加入VNT Hubble主网

环境：Ubuntu20.04

（但以下方法应该只要不是过于老旧的Ubuntu，都行得通）

从源码安装go-vnt

安装Go编译器（版本大于1.9）和C编译器

安装C编译器GCC^[1]
```
sudo apt-get  build-dep  gcc
```
验证GCC是否安装成功
```
gcc --version
```
如果出现GCC版本信息，说明安装成功。
安装go编译器^[1]
- 下载go编译器（编译器版本大于1.9，我们这里是1.10）
```
wget https://storage.googleapis.com/golang/go1.10.linux-amd64.tar.gz
```
- 解压压缩包到/usr/local下面
```
sudo tar -C /usr/local -xzf go1.10.linux-amd64.tar.gz
```
- 配置环境变量
  - 在$HOME/.bashrc文件的末尾添加三行
```
vim $HOME/.bashrc
```
    （不会vim可用gedit命令）
```
export GOROOT=/usr/local/go

export GOPATH=$HOME/go

export PATH=$PATH:$GOROOT/bin:$GOPATH/bin
```
  - 更新文件，使文件生效
```
source ~/.bashrc
```
- 输入命令，查看GO编译器版本信息
```
go version
```
  如果显示版本信息，则说明安装成功

克隆go-vnt源码^[2]

首先，克隆仓库go-vnt到路径$GOPATH/src/github.com/vntchain，并进入项目目录:

mkdir -p $GOPATH/src/github.com/vntchain

cd $GOPATH/src/github.com/vntchain

git clone https://github.com/vntchain/go-vnt

cd go-vnt

如果有以前的版本，请更新到最新：

git pull

然后，使用下面命令编译gvnt:
```
make gvnt
```
或者使用下面命令编译gvnt和所有工具:
```
make all
```
经过以上可以在$GOPATH/src/github.com/vntchain/go-vnt/build/bin/目录调用gvnt，为方便使用可以将gvnt安装到$GOPATH/bin:
```
go install -v ./cmd/gvnt
```
查看当前使用的gvnt版本号
```
gvnt version
```

创建并进入节点目录^[3]

cd ~

mkdir vntnode

cd vntnode

使用init.json文件初始化节点

init.json文件内容如下：

{

    "config": {

        "chainId": 1,

        "dpos": {

            "period": 2,

            "witnessesnum": 19,

            "witnessesUrl": [

"/ip4/47.106.71.114/tcp/3001/ipfs/1kHfbk8u12U1HSyaqAe6f622wVMESHcvFZ8VcbGKwsrtT6H",

"/ip4/47.108.69.101/tcp/3001/ipfs/1kHb7UpvD2zbEgCCPzboTtJLENQ1YhEZ1H2A7QNTb18sHd4",

"/ip4/47.108.67.119/tcp/3001/ipfs/1kHjhzoNTxEpFvRky1oVvCUAPBUuGzBvBcXmkroDU9NhACg",

"/ip4/39.100.143.156/tcp/3001/ipfs/1kHG1essWxbjSUjwKMrJcva6Y7XfPoBN86pUemd4wnd2X2A",

"/ip4/118.190.59.122/tcp/3001/ipfs/1kHBXTtDX4JqStm4qBNCcCZar9isCyu74BPgX6b2odm7zw7",

"/ip4/118.190.59.100/tcp/3001/ipfs/1kHWbCuCgjLnERsaVr7FCSAWFiA7Sx1CdzstMQKKkEWdYSr",

"/ip4/47.56.69.191/tcp/3001/ipfs/1kHcupmVj3eLe6QdgrXRn5qetpQQc4XhYc6LXNhQUkRCDK5",

"/ip4/39.97.171.233/tcp/3001/ipfs/1kHDnV8YSUrHNLf6NGWY7QHxBjMLnKPxKFKvMdPLt1Gg7a6",

"/ip4/47.103.107.188/tcp/3001/ipfs/1kHTKpK29Kw2EvJ3C817yn6wNDgpXw6oWAkUz8AzAozrVHD",

"/ip4/47.103.57.160/tcp/3001/ipfs/1kHD3RiEFGZE2SQQgGhX1yzipcR8sE6cSaTj3Xi1yvF1EBL",

"/ip4/47.254.235.57/tcp/3001/ipfs/1kHMwGapAtV92rXgkxRx4dgjUZnXVtE6wUa8Bk3yzFYLz4h",

"/ip4/120.77.236.120/tcp/3001/ipfs/1kHHW1DrdwETgtZmDdERZEDgKiAfP2SDfxz2oKuzjuJK2B9",

"/ip4/47.111.131.2/tcp/3001/ipfs/1kHCcTMZ8EjRm23nffDsYEEARohWwF4ks6zdsaBs3JbzKnA",

"/ip4/47.88.217.237/tcp/3001/ipfs/1kHVYJ6tckDB5gChvDFo46esBWzz6aWsMaEXfxJPNwruHWZ",

"/ip4/47.91.19.11/tcp/3001/ipfs/1kHBa9E1onVKmruWvefJHSNFGokkNc3ESZebnq2oJFRDFDG",

"/ip4/47.254.20.76/tcp/3001/ipfs/1kHKUGfEQ4nzpWG4SkQAUPicrKHCVo32WTgNEQbM75rNEbx",

"/ip4/47.93.191.135/tcp/3001/ipfs/1kHVzyb8mczCYNB3suPCXac7HMPEc4XyvibHE2hQsh8ehEk",

"/ip4/101.132.191.42/tcp/3001/ipfs/1kHCoMGo8ANpjFNMyYFZLTHruBJ5DrAXYVBvfQP2CZWKf6h",

"/ip4/39.104.62.26/tcp/3001/ipfs/1kHHvSatMYVHDdDFNmMyta8tNY4c4VvtifkBAxfjNG7wSpU"

            ]

        }

    },

    "timestamp": "0x5d18dc80",

    "extraData": "0x546f206578706c6f726520737472616e6765206e657720776f726c6473efbc8c746f207365656b206f7574206e6577206c69666520616e64206e657720636976696c697a6174696f6e73efbc8c746f20626f6c646c7920676f207768657265206e6f206f6e652068617320676f6e65206265666f72652e",

    "gasLimit": "0x47b760",

    "difficulty": "0x1",

    "coinbase": "0x0000000000000000000000000000000000000000",

    "alloc": {

        "08257303e7f2ed7529cb81d2521d70a652e38238": {

            "balance": "0x48ec9b2d230d5a7c00000"

        },

        "09fd5d32fdff6e28e93cd9d9dfbaf5821d15e8d0": {

            "balance": "0x19d971e4fe8401e74000000"

        },

        "0acef1c9182e92ad80618e177f6c3bcac85a7a0a": {

            "balance": "0xf8277896582678ac000000"

        },

        "0e9a4daadb35f37a081f8d48b5d1fc793dc9ea7c": {

            "balance": "0xae09eedac3a019ec00000"

        },

        "0eefec6d3bf82d84dbd0666f5e1db6298a4b1888": {

            "balance": "0x68b01f58f4fdcc3c00000"

        },

        "11556936ebe002f4948c5af40c046565df0fbd74": {

            "balance": "0x33b2e3c9fd0803ce8000000"

        },

        "14f19ea14598e482905f0d1985d4bb37dd413c40": {

            "balance": "0xbe0d928eb933fdf000000"

        },

        "17d72a1ae6aab8d2b59886d3252bea33d1058cb8": {

            "balance": "0x1cda2096bc8fbca800000"

        },

        "28e77afbcdbc628de497a85baa477660e5aa10f4": {

            "balance": "0x1abc06b5f2d50a6800000"

        },

        "2f6fce36a2dda0374c3a292e55d319e5cfc809e5": {

            "balance": "0xf8277896582678ac000000"

        },

        "425fba17477cb54b8d4047bb5930e00d2d5100f5": {

            "balance": "0x4646fad426e3fbac00000"

        },

        "4279408c1ed0ce78fc19a23e22af98208d14374b": {

            "balance": "0x1c747bbc96bcbb3c00000"

        },

        "43a3ede687f505ed106b41626d5b70e1bf550f7d": {

            "balance": "0x1abc06b5f2d50a6800000"

        },

        "4417a444c00b007803196ade124a300470f5fd95": {

            "balance": "0x19d971e4fe8401e74000000"

        },

        "4721b8e0594ca55d21d5de430dc8076820ecb896": {

            "balance": "0x2421998b7201816400000"

        },

        "4bc6af201fad669cd315d18d503a3bb7f555b673": {

            "balance": "0x1c0ed6e270e9b9d000000"

        },

        "4eebc801e52fd63e90ec1660bbe492f6de27e167": {

            "balance": "0x9b60aacdd1e2d71800000"

        },

        "4f6b04717b0dbfd5397266f81fef868ca4c68efd": {

            "balance": "0xf8277896582678ac000000"

        },

        "59879b671e2e034f387f625e7e123828def0d798": {

            "balance": "0xb377112ac88e82b000000"

        },

        "5d4fad8937f72cec3ca46ce1c14349018058213e": {

            "balance": "0xc6205537ba4bc58400000"

        },

        "66a101458305ae2cec192a94751055f025648869": {

            "balance": "0x89a23c233886b411680000"

        },

        "77af92b3bd4acf994d7518c79ae2f303e9b4c6eb": {

            "balance": "0x1adde853ff70b58c00000"

        },

        "7831db47c51c01666a435021888f2dcd04dcf02f": {

            "balance": "0x62120e7a7e965f3400000"

        },

        "8d6ae3764e5d0fdbfcabdd443dcdf300b4574c03": {

            "balance": "0xa56fa5b99019a5c8000000"

        },

        "8e667c898c2f2d7ebf1265652a35638347067754": {

            "balance": "0x95f29ecfdc8d99ddc980000"

        },

        "8eb227bb885ef74b52e6c8a3b6662de641a93cdf": {

            "balance": "0x19d971e4fe8401e74000000"

        },

        "90e1814cbef1aaa66acdab66d94109b12ec5afad": {

            "balance": "0xb5facfe5b81c365c00000"

        },

        "92dc2b4b56ce19a394ca6ff7af42e70296b6813b": {

            "balance": "0xa9027164e484b29400000"

        },

        "93355b1d40b20b92231e1bf2fbcb813ed1810547": {

            "balance": "0x19d971e4fe8401e74000000"

        },

        "983c54b64024bb92f42a065ca55e2d6b408a17be": {

            "balance": "0x33b2e3c9fd0803ce8000000"

        },

        "9b3e39a565f31aa669574668b8302ff500e9b73c": {

            "balance": "0xc0b332e7b55d5cc000000"

        },

        "9d69b5d31f33172435ec20ac847dfb3ba6bf94a4": {

            "balance": "0xa56fa5b99019a5c8000000"

        },

        "a14c79d97e2c58de4499a552a2ec72823ed93db0": {

            "balance": "0x1c6f307be4c4687e6000000"

        },

        "b49eb8f256dce146d6ed2682469e3a97f469575d": {

            "balance": "0x24cb01a1b10bd91800000"

        },

        "c8db01d838946a1be94cc18ff454ed32194cb1b6": {

            "balance": "0x96592d57f2c76fc000000"

        },

        "c9024f109ace4b50c800f857c57538a34eb2728c": {

            "balance": "0x5b521bfdfb93470800000"

        },

        "cc6991f75fe5bd8b73407d4b1d8a5c7c4d2e1e3a": {

            "balance": "0x2bf1a8054a46d0092000000"

        },

        "cdfbb44442e595260e2148e8f0caadfe149daa4c": {

            "balance": "0x1dc74be914d16aa400000"

        },

        "cf4b31e13d8f31d693ce609d62ea11d0ae663a40": {

            "balance": "0xc5fe7399adb01a6000000"

        },

        "d699607661f8a38b1eaab41274cf3cbacf267592": {

            "balance": "0xba9ca88171649c4800000"

        },

        "d9b7c50f6509a5aa747535c5248a58ff504fd505": {

            "balance": "0x22f0aafd00887d2000000"

        },

        "dc3c71f9f694235eeac29254902d51b1cb36638a": {

            "balance": "0x1abc06b5f2d50a6800000"

        },

        "e02c15f9a2a893b9d6ef4fdae67cef85e7e74af7": {

            "balance": "0xbe2f742cc5cfa91400000"

        },

        "e7e5dcf58d99c5fbb12084974cd8c6d9c89c9551": {

            "balance": "0x9920af4efb8c79b400000"

        }

    },

    "witnesses": [

        "0x91837ff26639700c9688cf8f3fe92bd8b2ec806d",

        "0x3c60a032ba3c6177e50188748e55e5894fb241e4",

        "0xaa2b5f39fb2a4aee56db3ee19567f699d30df1a1",

        "0x61a6e04c737483d72c20de6e71dd8cbb6f6c747d",

        "0x186bae02dc3444d2bb3d39504fefdc9754860481",

        "0xf4c8fd44490493000b8776fd1597752bd9ede431",

        "0x4e94885ed5cfe31a00c7496176f59fdc5e5c7a71",

        "0x4b47c3262a9d2c309b692c9220898ff728054c00",

        "0x31ba9c8cf34d7cc0957a95744b245322af427786",

        "0x4dcfcd45b253119c0d3db6b9ba9e154167dd6a58",

        "0xe6c745142283dbbe4b4a03e969525e25031939fa",

        "0xc61a92dd1713f9ba2214f0ce92e3d408ba4d426d",

        "0xc221a4d0b30dee366bc7899dd29e0f7ac9a7e45a",

        "0xddfd32c4d33915685b926ba5eaab3860db1690cd",

        "0xd338d81c4723982c815a294de3b38608dad9962c",

        "0x6cd54fc6da0f044c43d4550d87ae10b9e1cea351",

        "0xd328d8864649ed050b3d8e9d77f94c75299fd243",

        "0x386dd85ad17b6bd60d2d142473b54bf9d5439842",

        "0x4b8a6cff7b9e008caa936aadd33d9be048623d53"

    ],

    "number": "0x0",

    "gasUsed": "0x0",

    "parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000"

}

创建init.json文件，并写入以上内容。然后使用init.json进行初始化：（注意命令后面的“."表示当前目录，不要漏了）

gvnt init init.json --datadir .

创建账号

可以设置密码：

gvnt account new .

如果你已经有账号，可以直接将账号keystore文件拷贝到vntnode/keystore目录。

启动节点

使用任一公共全节点的p2p地址作为bootnode，启动节点：

gvnt --networkid 1 --datadir . --port 3001 --vntbootnode "/ip4/39.97.235.82/tcp/3001/ipfs/1kHaSHxTJGAWKgk69Dk4a3BZzzJvVMfzsDHehyJDgm4tXQ8" --syncmode full --rpc --rpcaddr 0.0.0.0 --rpcport 8880 --rpcapi="db,core,net,vnt,personal" console

成功执行以上命令，你应当已经连接上了VNT Hubble主网，并且开始同步区块，区块同步可采用以下方法查看：

通过attach命令连接到节点：

$ cd vntnode

$ gvnt attach gvnt.ipc

查看同步：

> core.syncing

{

  currentBlock: 1992176,

  highestBlock: 2003529,

  knownStates: 0,

  pulledStates: 0,

  startingBlock: 1990059

}

参考资料

[1] GVNT开发环境搭建

[2] github文档从源码安装gvnt

[3] github文档如何加入VNT Hubble主网

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