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<title>北大数瑞介绍 — 北大数瑞大数据区块链 V1.0 文档</title>
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<li class="toctree-l1"><a class="reference internal" href="../Introduction.html">BDContract介绍</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../InstallTips.html">BDContract安装说明</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../IDEUsage.html">BDContract管理界面</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../ContractAPI.html">BDContract SDK</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../YJSInDepth.html">YJS语法</a></li>
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<li><a href="../index.html" class="icon icon-home"></a> »</li>
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<li>北大数瑞介绍</li>
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<li class="wy-breadcrumbs-aside">
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<a href="../_sources/markdown_BDWare/Introduction.md.txt" rel="nofollow"> 查看页面源码</a>
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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="id1">
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<h1>北大数瑞介绍<a class="headerlink" href="#id1" title="永久链接至标题">¶</a></h1>
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<hr class="docutils" />
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<div class="section" id="id2">
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<h2>什么是北大数瑞?<a class="headerlink" href="#id2" title="永久链接至标题">¶</a></h2>
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<p>北大数瑞是面向大数据场景的数据资源、IoT资源、云资源的管理、调度平台。BDContract是一个可信计算框架，计算逻辑以智能合约的方式表达。通过”随机“和”冗余计算“的方式实现智能合约的可信执行。BDContract在保证智能合约的可用性、可靠性的同时，着重提升执行效率和安全性。</p>
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</div>
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<hr class="docutils" />
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<div class="section" id="id3">
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<h2>特点<a class="headerlink" href="#id3" title="永久链接至标题">¶</a></h2>
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<ol class="simple">
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<li><p>支持多种执行模式，权衡可用性、可靠性、正确性和效率。</p></li>
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<li><p>接入各种数据源。</p></li>
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<li><p>支持合约的细粒度监测。</p></li>
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<li><p>支持合约的状态。</p></li>
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<li><p>访问控制。</p></li>
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<li><p>支撑跨语言调用。</p></li>
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</ol>
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</div>
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<hr class="docutils" />
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<div class="section" id="id4">
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<h2>使用开源项目说明<a class="headerlink" href="#id4" title="永久链接至标题">¶</a></h2>
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<p>BDWare项目站在了许多巨人的肩膀上，感谢这些开源项目。</p>
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<p>本项目的智能合约后端使用了以下开源库。</p>
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<table border="1" class="docutils">
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<thead>
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<tr>
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<th>名称</th>
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<th>Licence类型</th>
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<th>说明</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td><a href="https://openjdk.java.net/projects/nashorn/">Project Nashorn</a></td>
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<td><a href="https://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html">GPLv2</a></td>
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<td>使用了该项目的编译器，可以将js函数编译为java字节码</td>
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</tr>
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<tr>
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<td><a href="https://projects.ow2.org/view/asm/">ASM OW2</a></td>
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<td><a href="https://en.wikipedia.org/wiki/BSD_licenses#4-clause_license_(original_%22BSD_License%22)">BSD</a> with attribution</td>
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<td>基于asm的TreeAPI与VisitorAPI实现合约的静态分析框架</td>
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</tr>
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<tr>
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<td><a href="https://netty.io/">Netty</a></td>
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<td><a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License 2.0</a></td>
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<td>使用netty作为Http/Websocket的服务端</td>
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</tr>
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<tr>
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<td><a href="https://grpc.io/">gRPC</a></td>
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<td><a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License 2.0</a></td>
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<td>使用gRPC与BDWareLedger通讯</td>
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</tr>
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<tr>
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<td><a href="https://github.com/facebook/rocksdb">RocksDB</a></td>
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<td><a href="https://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html">GPLv2</a></td>
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<td>后台数据库</td>
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</tr>
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<tr>
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<td><a href="https://github.com/antlr/antlr4">ANTLR</a></td>
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<td><a href="https://en.wikipedia.org/wiki/BSD_licenses#4-clause_license_(original_%22BSD_License%22)">BSD</a></td>
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<td>对合约脚本的词法分析与语法分析</td>
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</tr>
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<tr>
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<td><a href="https://github.com/PopezLotado/SM2Java">SM2Java</a></td>
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<td><a href="https://github.com/PopezLotado/SM2Java/blob/master/README.md">无</a></td>
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<td>国密SM2 Java语言实现</td>
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</tr>
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</tbody>
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</table><p>本项目的智能合约前端使用了以下开源库。</p>
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<table border="1" class="docutils">
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<thead>
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<tr>
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<th>名称</th>
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<th>Licence类型</th>
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<th>说明</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td><a href="https://getbootstrap.com/">Bootstrap</a></td>
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<td><a href="https://github.com/twbs/bootstrap/blob/master/LICENSE">MIT</a></td>
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<td>前端的排版、样式</td>
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</tr>
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<tr>
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<td><a href="https://jquery.org/">jQuery</a></td>
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<td><a href="https://jquery.org/license/">MIT</a></td>
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<td>用于操作DOM的javascript库</td>
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</tr>
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<tr>
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<td><a href="https://jqueryui.com/">jQueryUI</a></td>
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<td><a href="https://jquery.org/license/">MIT</a></td>
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<td>前端UI构件库</td>
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</tr>
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<tr>
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<td><a href="https://datatables.net/">DataTables</a></td>
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<td><a href="https://datatables.net/license/mit">MIT</a></td>
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<td>表格样式</td>
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</tr>
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<tr>
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<td><a href="https://codemirror.net/">CodeMirror</a></td>
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<td><a href="https://codemirror.net/LICENSE">MIT</a></td>
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<td>代码编辑框样式</td>
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</tr>
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<tr>
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<td><a href="https://echarts.apache.org/zh/index.html">eCharts</a></td>
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<td><a href="https://www.apache.org/licenses/">ApacheV2</a></td>
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<td>统计图表</td>
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</tr>
|
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<tr>
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<td><a href="https://github.com/JuneAndGreen/sm-crypto">sm-crypto</a></td>
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|||
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<td><a href="https://github.com/JuneAndGreen/sm-crypto/blob/master/LICENCE_MIT">MIT</a></td>
|
|||
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<td>国密SM2 javascript语言实现</td>
|
|||
|
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</tr>
|
|||
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</tbody>
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</table><p>本项目的文档使用<a class="reference external" href="https://www.sphinx-doc.org/en/master/">Sphinx</a>生成，感谢<a class="reference external" href="https://readthedocs.org/">readthedocs</a>提供文档样式。</p>
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|||
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</div>
|
|||
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</div>
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</div>
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</div>
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<footer>
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<hr/>
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<div role="contentinfo">
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<p>
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© 版权所有 2021, Peking University.
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</p>
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</div>
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利用 <a href="https://www.sphinx-doc.org/">Sphinx</a> 构建，使用了
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<a href="https://github.com/readthedocs/sphinx_rtd_theme">主题</a>
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由 <a href="https://readthedocs.org">Read the Docs</a>开发.
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</section>
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<script type="text/javascript">
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jQuery(function () {
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</body>
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