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HTML
242 lines
7.9 KiB
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<title>Running the trading demo — R3 Prototyping 0.1 documentation</title>
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<link rel="top" title="R3 Prototyping 0.1 documentation" href="index.html"/>
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<a href="index.html" class="icon icon-home"> R3 Prototyping
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<div class="version">
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0.1
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</div>
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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 current"><a class="current reference internal" href="">Running the trading demo</a></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>Running the trading demo</li>
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<li class="wy-breadcrumbs-aside">
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<a href="_sources/running-the-trading-demo.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="running-the-trading-demo">
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<h1>Running the trading demo<a class="headerlink" href="#running-the-trading-demo" title="Permalink to this headline">¶</a></h1>
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<p>The repository contains a program that implements a demo of two nodes running the two-party trading protocol, which you
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can learn about in <a class="reference internal" href="protocol-state-machines.html"><em>Protocol state machines</em></a>.</p>
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<p>The node has only currently been tested on MacOS X. If you have success on other platforms, please let us know.</p>
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<p>To run the demo, firstly edit your /etc/hosts file or Windows equivalent to add two aliases for localhost: alpha and
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beta. This is necessary for now because parts of the code use the DNS hostname to identify nodes and thus defining two
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nodes both called localhost won’t work. We might fix this in future to include the port number everywhere, so making
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this easier.</p>
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<p>You should now be able to run <code class="docutils literal"><span class="pre">ping</span> <span class="pre">alpha</span></code> and <code class="docutils literal"><span class="pre">ping</span> <span class="pre">beta</span></code> and not see errors.</p>
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<p>Now, open two terminals, and in the first run::</p>
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<div class="highlight-kotlin"><div class="highlight"><pre><span class="p">./</span><span class="n">gradlew</span> <span class="n">runDemoBuyer</span>
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</pre></div>
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</div>
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<p>It will create a directory named “alpha” and ask you to edit the configuration file inside. Open up <code class="docutils literal"><span class="pre">alpha/config</span></code>
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in your favourite text editor and give the node a legal identity of “Alpha Corp, Inc” or whatever else you feel like.
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The actual text string is not important. Now run the gradle command again, and it should start up and wait for
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a seller to connect.</p>
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<p>In the second terminal, run:</p>
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<div class="highlight-kotlin"><div class="highlight"><pre><span class="p">./</span><span class="n">gradlew</span> <span class="n">runDemoSeller</span>
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</pre></div>
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</div>
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<p>and repeat the process, this time calling the node ... something else.</p>
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<p>You should see some log lines scroll past, and within a few seconds the messages “Purchase complete - we are a
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happy customer!” and “Sale completed - we have a happy customer!” should be printed.</p>
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<p>If it doesn’t work, jump on the mailing list and let us know.</p>
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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="messaging.html" class="btn btn-neutral" title="Networking and messaging" accesskey="p"><span class="fa fa-arrow-circle-left"></span> Previous</a>
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<div role="contentinfo">
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<p>
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© Copyright 2015, R3 CEV.
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