# 挖矿

### 欢迎windows用户尝试[一键挖矿](https://github.com/seeleteam/seele-one-click-mining/releases/latest)

* 使用说明参考zip中的readme.txt。

## 挖矿

### 下载

下载最新[可执行档和配置模板](https://github.com/seeleteam/go-seele/releases/latest)。zip文件夹格式如下：

```
mac/linux/win32_v#.#.#
├── node1.json //片1节点配置模板
├── node2.json //片2节点配置模板
├── node3.json //片3节点配置模板
├── node4.json //片4节点配置模板
└── build 
    ├── client //client可执行档：使用节点服务
    ├── discovery
    ├── light
    ├── node //node可执行档：启动节点
    ├── tool
    └── vm
```

以下操作用终端进入build文件夹内执行

### 账户

生成：根据片数生成公私钥对

```
$ ./client key --shard 1
public key:  0x43ff8ee89e56de149fd29bedbf8f3f4094cfe451
private key: 0x85c7d55a434037336a094575506229d82f771d14e9ba6e8c8ffc6e5c1f21de8a
```

验证：验证公钥或私钥理性和公私钥片数

```
$ ./client getshardnum --account 0x43ff8ee89e56de149fd29bedbf8f3f4094cfe451
shard number: 1
$ ./client getshardnum --privatekey 0x85c7d55a434037336a094575506229d82f771d14e9ba6e8c8ffc6e5c1f21de8a
shard number: 1
```

保存：密码、名称、私钥来生成keyfile

```
$ ./client savekey --privatekey 0x85c7d55a434037336a094575506229d82f771d14e9ba6e8c8ffc6e5c1f21de8a --file shard1account
Password:
Repeat password:
store key successfully, the key file path is shard1account
```

还原：用keyfile和密码还原私钥

```
$ ./client deckeyfile --file shard1account
Please input your key file password:
public key:  0x43ff8ee89e56de149fd29bedbf8f3f4094cfe451
private key: 0x85c7d55a434037336a094575506229d82f771d14e9ba6e8c8ffc6e5c1f21de8a
```

### 配置 node.json

1. 修改挖矿账户
   * 若在片1挖矿，要生成片1的公私钥对，并将片1公钥填入node1.json节点配置模板。
   * 若在片2挖矿，要生成片2的公私钥对，并将片2公钥填入node2.json节点配置模板。
   * 片3、4以此类推。
2. 修改节点id
   * 生成公私钥对，片数无所谓，取私钥填入挖矿所用的配置文档。

片1挖矿配置节点例子：

配置前

```
{
  "basic":{
    ...
    "coinbase": "0xcee66ad4a1909f6b5170dec230c1a69bfc2b21d1", ← 挖矿公钥
    ...
  },
  "p2p": {
    "privateKey": "0xf65e40c6809643b25ce4df33153da2f3338876f181f83d2281c6ac4a987b1479", ← 节点id
    ...
  },
  ...
}
```

配置后

```
{
  "basic":{
    ...
    "coinbase": "0x43ff8ee89e56de149fd29bedbf8f3f4094cfe451", ← 片1公钥
    ...
  },
  "p2p": {
    "privateKey": "0xa12b2ef3e40389ef2e0e3130a88674071760a283c5ed53dfeae40a10cdedb9a8", ← 片2私钥
    ...
  },
  ...
}
```

### 启动 node 挖矿

启动挖矿节点：线程数12，用node1.json的配置文档

```
./node start -c ../node1.json --threads 12
```

启动节点、不挖矿：

```
./node start -c ../node1.json -m stop
```

### 使用 node 服务

每次节点启动会先检查本地数据库完整性，每秒10000块左右。之后会启动节点服务，用户可以用client来使用各种服务。

* 片1的监听端口：8027
* 片2的监听端口：8028
* 片3的监听端口：8029
* 片4的监听端口：8026

余额：

```
$ ./client getbalance --account 0x43ff8ee89e56de149fd29bedbf8f3f4094cfe451 -a 104.218.164.169:8027
{
        "Account": "0x43ff8ee89e56de149fd29bedbf8f3f4094cfe451",
        "Balance": 0 ←余额，单位为fan，1seele=1亿fan
}
```

节点信息：

```
$ ./client getinfo -a 127.0.0.1:8027
{
        "BlockAge": 54, ←最高块距今秒数
        "Coinbase": "0x43ff8ee89e56de149fd29bedbf8f3f4094cfe451", ←挖矿账户
        "CurrentBlockHeight": 1225756, ←高度
        "HeaderHash": "0xa12b2ef3e40389ef2e0e3130a88674071760a283c5ed53dfeae40a10cdedb9a8", ←节点id
        "MinerStatus": "Stopped", ←是否在挖矿
        "PeerCnt": "162 (19 54 45 44)", ←连接总节点数（来自片1 2 3 4）
        "Shard": 1, ←片数
        "Version": "v1.2.4" ←版本
}
```

直接打`./client`可见可用命令，用`-h`查看命令使用方法，如`./client sendtx -h`查看如何用keyfile做交易。

## 编译 node

以下示例为ubuntu和mac命令，

### 检查git，gcc，go版本

```bash
$ git --version
git version 2.17.1

$ gcc --version
gcc (Ubuntu 7.3.0-27ubuntu1~18.04) 7.3.0
Copyright (C) 2017 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
​
$ go version
go version go1.10.4 linux/amd64
```

### 下载go-seele

下载go-seele：首先在根目录里创建路径：\~/go/src/github.com/seeleteam。

```bash
~$ cd
~$ mkdir -p go/src/github.com/seeleteam
~$ cd go/src/github.com/seeleteam
~/go/src/github.com/seeleteam$ git clone https://github.com/seeleteam/go-seele.git

Cloning into 'go-seele'...
remote: Enumerating objects: 53, done.
remote: Counting objects: 100% (53/53), done.
remote: Compressing objects: 100% (48/48), done.
remote: Total 10032 (delta 13), reused 15 (delta 4), pack-reused 9979
Receiving objects: 100% (10032/10032), 12.25 MiB | 18.45 MiB/s, done.
Resolving deltas: 100% (5804/5804), done.
```

### 编译go-seele：

```bash
~/go/src/github.com/seeleteam$ cd go-seele
~/go/src/github.com/seeleteam/go-seele$ make all
go build -o ./build/discovery ./cmd/discovery
Done discovery building
go build -o ./build/node ./cmd/node 
Done node building
go build -o ./build/client ./cmd/client
Done full node client building
go build -o ./build/light ./cmd/client/light
Done light node client building
go build -o ./build/tool ./cmd/tool
Done tool building
go build -o ./build/vm ./cmd/vm
Done vm building
~/go/src/github.com/seeleteam/go-seele$
```


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