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HTML
249 lines
8.0 KiB
HTML
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<!DOCTYPE html>
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<title>Node administration — R3 Prototyping latest documentation</title>
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<link rel="top" title="R3 Prototyping latest documentation" href="index.html"/>
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<link rel="next" title="Writing a contract" href="tutorial.html"/>
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<link rel="prev" title="Running the trading demo" href="running-the-trading-demo.html"/>
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<a href="index.html" class="icon icon-home"> R3 Prototyping
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</a>
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latest
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<p class="caption"><span class="caption-text">Overview</span></p>
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<ul class="current">
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<li class="toctree-l1"><a class="reference internal" href="inthebox.html">What’s included?</a></li>
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<li class="toctree-l1"><a class="reference internal" href="getting-set-up.html">Getting set up</a></li>
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<li class="toctree-l1"><a class="reference internal" href="data-model.html">Data model</a></li>
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<li class="toctree-l1"><a class="reference internal" href="messaging.html">Networking and messaging</a></li>
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<li class="toctree-l1"><a class="reference internal" href="running-the-trading-demo.html">Running the trading demo</a></li>
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<li class="toctree-l1 current"><a class="current reference internal" href="">Node administration</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="#uploading-and-downloading-attachments">Uploading and downloading attachments</a></li>
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</ul>
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</li>
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</ul>
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<p class="caption"><span class="caption-text">Tutorials</span></p>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="tutorial.html">Writing a contract</a></li>
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<li class="toctree-l1"><a class="reference internal" href="protocol-state-machines.html">Protocol state machines</a></li>
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</ul>
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<p class="caption"><span class="caption-text">Appendix</span></p>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="visualiser.html">Using the visualiser</a></li>
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<li class="toctree-l1"><a class="reference internal" href="roadmap.html">Roadmap</a></li>
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<li class="toctree-l1"><a class="reference internal" href="codestyle.html">Code style guide</a></li>
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<li><a href="index.html">Docs</a> »</li>
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<li>Node administration</li>
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<a href="_sources/node-administration.txt" rel="nofollow"> View page source</a>
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</div>
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<div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
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<div itemprop="articleBody">
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<div class="section" id="node-administration">
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<h1>Node administration<a class="headerlink" href="#node-administration" title="Permalink to this headline">¶</a></h1>
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<p>When a node is running, it exposes an embedded web server that lets you monitor it, upload and download attachments,
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access a REST API and so on.</p>
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<div class="section" id="uploading-and-downloading-attachments">
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<h2>Uploading and downloading attachments<a class="headerlink" href="#uploading-and-downloading-attachments" title="Permalink to this headline">¶</a></h2>
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<p>Attachments are files that add context to and influence the behaviour of transactions. They are always identified by
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hash and they are public, in that they propagate through the network to wherever they are needed.</p>
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<p>All attachments are zip files. Thus to upload a file to the ledger you must first wrap it into a zip (or jar) file. Then
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you can upload it by running this command from a UNIX terminal:</p>
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<div class="highlight-shell"><div class="highlight"><pre>curl -F <span class="nv">myfile</span><span class="o">=</span>@path/to/my/file.zip http://localhost:31338/attachments/upload
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</pre></div>
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</div>
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<p>The attachment will be identified by the SHA-256 hash of the contents, which you can get by doing:</p>
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<div class="highlight-shell"><div class="highlight"><pre>shasum -a <span class="m">256</span> file.zip
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</pre></div>
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</div>
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<p>on a Mac or by using <code class="docutils literal"><span class="pre">sha256sum</span></code> on Linux. Alternatively, check the node logs. There is presently no way to manage
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attachments from a GUI.</p>
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<p>An attachment may be downloaded by fetching:</p>
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<div class="highlight-shell"><div class="highlight"><pre>http://localhost:31338/attachments/DECD098666B9657314870E192CED0C3519C2C9D395507A238338F8D003929DE9
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</pre></div>
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</div>
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<p>where DECD... is of course replaced with the hash identifier of your own attachment. Because attachments are always
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containers, you can also fetch a specific file within the attachment by appending its path, like this:</p>
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<div class="highlight-shell"><div class="highlight"><pre>http://localhost:31338/attachments/DECD098666B9657314870E192CED0C3519C2C9D395507A238338F8D003929DE9/path/within/zip.txt
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</pre></div>
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</div>
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</div>
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</div>
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<a href="tutorial.html" class="btn btn-neutral float-right" title="Writing a contract" accesskey="n">Next <span class="fa fa-arrow-circle-right"></span></a>
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<a href="running-the-trading-demo.html" class="btn btn-neutral" title="Running the trading demo" accesskey="p"><span class="fa fa-arrow-circle-left"></span> Previous</a>
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<p>
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© Copyright 2015, R3 CEV.
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</p>
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Built with <a href="http://sphinx-doc.org/">Sphinx</a> using a <a href="https://github.com/snide/sphinx_rtd_theme">theme</a> provided by <a href="https://readthedocs.org">Read the Docs</a>.
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