1LSGO软件技术团队
1 LSGO Software Technology Team
贡献人：马燕鹏
Contributor: Ma Yan Poon
如果喜欢这里的内容，你能够给我最大的帮助就是转发，告诉你的朋友，鼓励他们一起来学习。
If you like what's here, the best thing you can do for me is to relay it, tell your friends and encourage them to learn together.
If you like the content here, the greatest helpyou can give meis forwarding, so tell your friends and encourage them to learn together.
上一文《探索比特币源码0 -- bitcoin的编译》中我们已经编译好了Bitcoin Core的可执行文件。
In the previous article, “Exploring the compilation of bitcoin 0-bitcoin”, we had compiled the executable documents of Bitcoin Core.
本文，我们来尝试运行一个Bitcoin Core
Here we try to run a Bitcoin Core
注：本文是在学习 Mastering Bitcoin （ https://github.com/bitcoinbook/bitcoinbook/blob/develop/ch03.asciidoc ） 过程中的记录，由于代码的快速迭代，在笔者写下本文的时刻（2018/7/18），书中给出的包括配置、示例、命令调用等都发生了一定程度的改变。作为一个初学者，我尽可能的探索了改变后的用法及其原因，如有疏漏和错误望及时指出，期待和各位的交流。
Note: This is the record in the study of Mastering Bitcoin (https://github.com/bitcoinbook/bitcoinbook/blob/develop/ch03.asciidoc), which, due to the rapid replacement of the code, gave a certain amount of change, including configuration, examples, command calls, etc., at the time of writing (2018/7/18).
前言
Foreword
比特币的点对点网络由节点组成，为了更好的学习比特币的原理以及如何开发比特币软件，我们需要运行一个自己的比特币节点。
The Bitcoin point-to-point network consists of nodes, and in order to learn better about bitcoins and how to develop bitcoins, we need to run a bitcoin node of our own.
但是，运行节点需要一个具有足够资源来处理所有比特币交易的系统。根据您是否选择索引所有交易并保留块的完整副本，您可能还需要大量的磁盘空间和 RAM。Bitcoin Core 默认情况下保留区块链的完整副本。在 16 年底时，全索引节点需要 2GB 的 RAM 和 125GB 的磁盘空间，并且在不断增长。
However, running node requires a system with sufficient resources to handle all bitcoin transactions. Depending on whether you choose to index all transactions and keep a full copy of the blocks, you may also need a lot of disk space and a full copy of the RAM. Bitcoin Corre defaults to keep a complete copy of the block chain. At the end of the year, the full index node requires 2GB of RAM and 125GB disk space and is growing.
直到完整的块链数据集被下载完成之前，Bitcoin Core 将无法处理交易或更新帐户余额。
Bitcoin Core will not be able to process transactions or update account balances until the complete block chain data set is downloaded.
为了运行我们自己的 Bitcoin Core 节点，首先要确保有足够的磁盘空间来完成初始同步。
To run our own Bitcoin Core node, first of all, make sure that there is enough disk space to complete the initial sync.
预留充足的磁盘空间
Provide sufficient disk space
如果你的电脑磁盘剩余空间充足，那就直接进行下一环节吧。
If there's plenty of space left on your computer disk, let's go straight to the next section.
这里我记录了我是如何找到最占用空间的文件并给电脑瘦身的，以供参考。
Here I recorded how I found the most space-absorbed documents and gave the computer a thinner for information.
首先使用命令查看磁盘占用情况
First, use the command to view disk occupancy.
这是我的磁盘占用情况，可以发现，其中挂载在根目录下的 SD 磁盘居然占用了 392G 的空间
This is my disk occupancy, and you can see that the SD disk mounted under the root directory actually occupies 392G space.
使用 命令查看当前目录下文件的大小
Use command to view the size of the file under the current directory
使用 命令查看所有隐藏文件的大小
Use command to view the size of all hidden files
频繁利用这两个命令，最终追溯到目录 占用了312G空间
These two orders are used frequently, and they're traced back to the directory, occupying 312 G space.
原来是回收站占用了大量空间-_-|
Turns out the wastebins are taking up a lot of space -- _--.
仔细一看，都是团队小伙伴跑深度学习时删除的数据集和模型文件。
On a closer look, all data sets and model files were deleted from the team's small partners as they ran for in-depth learning.
使用下面命令将回收站清空
Use the following command to empty the wastebin
配置Bitcoin Core节点
Configure Bitcoin Core Node
现在，在主目录 下，存在 目录
Now, under the home directory, there is a directory.
这应该是我们的 Bitcoin Core 节点的路径，钱包、区块链等都会存放在这里
This is supposed to be our path to the Bitcoin Core node, where wallets, block chains, etc. will be stored.
注：按照 Mastering Bitcoin （ https://github.com/bitcoinbook/bitcoinbook/blob/develop/ch03.asciidoc ） 的说法，我们首次尝试运行 bitcoind 时会报错，提醒你用一个安全密码给 JSON-RPC 接口创建一个配置文件 。该密码控制对 Bitcoin Core 提供的应用程序编程接口（API）的访问。但在笔者写下本文的时刻（2018/7/18），发现这个设定已经不存在了，这样做应该是为了让 bitcoind 的使用更加简洁。
Note: According to Mastering Bitcoin (https://github.com/bitcoinbook/bitcoinbook/blob/develop/ch03.asciidoc), the first attempt to run bitcoind will be misreported, reminding you to create a configuration file with a secure password for the JSON-RPC interface. The password controls access to the application programming interface (API) provided by Bitcoin Core. However, at the time of writing this paper (2018/7/18), it was found that the setting was no longer in existence and should be used to make it easier for Bitcoin to use.
我们可以使用 来查看帮助
We can use it to see the help.
看来仍然存在对于 的使用，可以使用 指明配置文件的路径。
It seems that there are still uses that can be used to indicate the path of the profile.
如果你想自定义一些配置，可以详细阅读 Mastering Bitcoin 第三章 （ https://github.com/bitcoinbook/bitcoinbook/blob/develop/ch03.asciidoc ）
If you want to define some configurations, you can read chapter III of Mastering Bitcoin in detail (https://github.com/bitcoinbook/bitcoinbook/blob/develop/ch03.asciidoc)
目前，先忽略这个配置文件，你可以直接命令运行比特币客户端了。
Now, ignore this configuration file and you can direct the running of the Bitcoin client.
运行Bitcoin Core节点
Run Bitcoin Core Node
使用 命令在前台运行，并打印信息到终端
Use command to run on front desk and print information to terminal
或者使用 命令，使用守护进程在后台运行
Or use command, run in the backstage using dæmon
如果想要终止Bitcoin Core客户端的运行，可以使用如下命令：
If you want to terminate the operation of the Bitcoin Core client, you can use the following command:
其中 是命令行帮助程序，我们可以通过它访问比特币核心客户端实现的 JSON-RPC 接口。
Among them is the command line help program, through which we can access the JSON-RPC interface that is achieved by the Bitcoin core client.
注：如果想要停止客户端，千万不要用 这种方法。我试了一次，客户端就无法再次正常运行了，所以一定记住要用上面的方法。
Note: If you want to stop the client, don't use this method. Once I try, the client won't be able to run again, so remember to use the method above.
当我们第一次运行客户端后，实际上 Bitcoin Core 先要做的是努力同步从创世快以来的所有区块链数据，根据网速，这可能需要几天甚至几周。
When we run the client for the first time, the first thing that Bitcoin Core actually does is try to synchronize all the block chain data from Genesis, which could take days or weeks, depending on the speed of the net.
所以我们赶紧再次把客户端运行上，开始同步数据。
So we have to run the client again and start synchronizing the data.
这个过程中，我们可以随时使用 查看区块链信息，从而查看同步进度，类似如下：
In this process, we can view block chain information at any time, so we can see synchronous progress, as follows:
其中 "blocks": 31452 是块高度，也就对应了同步的进度。
Of these, &quat; Blocks&quat;: 31452 is the height and corresponds to the progress of synchronisation.
注：Mastering Bitcoin 第三章 （ https://github.com/bitcoinbook/bitcoinbook/blob/develop/ch03.asciidoc ） 中给出的 命令在我写作时，已经改为了上面给出的 命令。
Note: The orders given in Mastering Bitcoin Chapter III (https://github.com/bitcoinbook/bitcoinbook/blob/develop/ch03.asciidoc) have been changed to those given above at the time of writing.
已经确认程序正在正确同步了，慢慢运行吧，我们下一次来使用 进行一些交互实验
It's been confirmed that the program is synchronizing correctly. Let's run it slowly. We'll use it next time for some interactive experiments.
从当前来看，我觉得对编程爱好者最友好的就是区块链领域了，因为这个领域中所有的代码都是开源的，代码决定一切！哪怕项目方牛皮吹得天花乱坠，也不可能忽悠到我们，只有代码最可靠！为了更好的了解区块链这个领域，目前 LSGO软件技术团队 的一个小组，正在看BTC的源码，这是他们提交的学习成果！如果你对区块链领域感兴趣，可以加入进来，大家一起学习！
At the moment, I think that the best friend of programming lovers is in the area of block chains, because all the codes in this area are open-sourced, and the code determines everything. Even if the project's nipples blow up, it's impossible to fool us. Only the code is most reliable. To better understand the area of block chains, a team from the LSGO software team is now looking at the source code of the `strung' BTC
经过8年多的发展，LSGO软件技术团队在地理信息系统、数据统计分析、计算机视觉领域积累了丰富的研发经验，也建立了人才培养的完备体系。
After more than eight years of development, the LSGO software technology team has accumulated extensive research and development experience in the fields of geographic information systems, statistical analysis of data, computer visualization, and has also developed a well-developed system of talent development.
欢迎对算法设计与实现感兴趣的同学加入，与我们共同成长进步。
Students with an interest in algorithm design and realization are welcome to join us to grow and progress together.
本微信公众平台长期系统化提供有关机器学习、软件研发、教育及学习方法、数学建模的知识，并将以上知识转化为实践。拒绝知识碎片化、耐心打磨技能、解决实际问题是我们的宗旨和追求。
It is our purpose and purpose to reject the fragmentation of knowledge, patiently grinding skills, and solving practical problems.
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