1562 lines
44 KiB
HTML
1562 lines
44 KiB
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The Nimbus Fluffy Guide
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Bridging content: Portal history network
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Upgrade
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<span class="md-ellipsis">
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Access the network
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</label>
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<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
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<label class="md-nav__title" for="__nav_3_2">
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<span class="md-nav__icon md-icon"></span>
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Access the network
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</label>
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<ul class="md-nav__list" data-md-scrollfix>
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<a href="connect-to-portal.html" class="md-nav__link">
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<span class="md-ellipsis">
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Connect to the Portal network
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</a>
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<a href="access-content.html" class="md-nav__link">
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<span class="md-ellipsis">
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Access content on the Portal network
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</span>
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</a>
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<li class="md-nav__item md-nav__item--active md-nav__item--nested">
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<span class="md-ellipsis">
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Portal bridge
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</span>
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<span class="md-nav__icon md-icon"></span>
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</label>
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<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_3_label" aria-expanded="true">
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<label class="md-nav__title" for="__nav_3_3">
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<span class="md-nav__icon md-icon"></span>
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Portal bridge
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</label>
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<ul class="md-nav__list" data-md-scrollfix>
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<label class="md-nav__link md-nav__link--active" for="__toc">
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<span class="md-ellipsis">
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Bridging content: Portal history network
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</span>
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<span class="md-nav__icon md-icon"></span>
|
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</label>
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<a href="history-content-bridging.html" class="md-nav__link md-nav__link--active">
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<span class="md-ellipsis">
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Bridging content: Portal history network
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</span>
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</a>
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<nav class="md-nav md-nav--secondary" aria-label="Table of contents">
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<label class="md-nav__title" for="__toc">
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<span class="md-nav__icon md-icon"></span>
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Table of contents
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</label>
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<ul class="md-nav__list" data-md-component="toc" data-md-scrollfix>
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<li class="md-nav__item">
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<a href="#from-content-bridges" class="md-nav__link">
|
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<span class="md-ellipsis">
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From content bridges
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</span>
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</a>
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<nav class="md-nav" aria-label="From content bridges">
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<ul class="md-nav__list">
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<a href="#seeding-history-data-with-the-portal_bridge" class="md-nav__link">
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<span class="md-ellipsis">
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Seeding history data with the portal_bridge
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</a>
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<a href="#seeding-post-merge-history-data-with-the-beacon_lc_bridge" class="md-nav__link">
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Seeding post-merge history data with the beacon_lc_bridge
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<span class="md-ellipsis">
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From locally stored block data
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<span class="md-ellipsis">
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Building and seeding epoch accumulators
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</a>
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<li class="md-nav__item">
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<a href="#downloading-seeding-block-data" class="md-nav__link">
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<span class="md-ellipsis">
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Downloading & seeding block data
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<a href="beacon-content-bridging.html" class="md-nav__link">
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<span class="md-ellipsis">
|
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Bridging content into the Portal beacon network
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</span>
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</a>
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<a href="db_pruning.html" class="md-nav__link">
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<span class="md-ellipsis">
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Database pruning
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</span>
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</a>
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</nav>
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<span class="md-ellipsis">
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Developers
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</span>
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<span class="md-nav__icon md-icon"></span>
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</label>
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<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
|
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<label class="md-nav__title" for="__nav_4">
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<span class="md-nav__icon md-icon"></span>
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Developers
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</label>
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<ul class="md-nav__list" data-md-scrollfix>
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<a href="basics-for-developers.html" class="md-nav__link">
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<span class="md-ellipsis">
|
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The basics for developers
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</span>
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="test-suite.html" class="md-nav__link">
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<span class="md-ellipsis">
|
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Fluffy test suite
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</span>
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</a>
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</li>
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<li class="md-nav__item md-nav__item--nested">
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<input class="md-nav__toggle md-toggle md-toggle--indeterminate" type="checkbox" id="__nav_4_3" >
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<label class="md-nav__link" for="__nav_4_3" id="__nav_4_3_label" tabindex="0">
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<span class="md-ellipsis">
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Local testnet
|
|
</span>
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<span class="md-nav__icon md-icon"></span>
|
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</label>
|
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<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_3_label" aria-expanded="false">
|
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<label class="md-nav__title" for="__nav_4_3">
|
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<span class="md-nav__icon md-icon"></span>
|
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Local testnet
|
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</label>
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item">
|
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<a href="run-local-testnet.html" class="md-nav__link">
|
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|
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|
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<span class="md-ellipsis">
|
|
Running a local testnet
|
|
</span>
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</a>
|
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</li>
|
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<li class="md-nav__item">
|
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<a href="testnet-history-network.html" class="md-nav__link">
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
Testing history network on local testnet
|
|
</span>
|
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|
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</a>
|
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</li>
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<li class="md-nav__item">
|
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<a href="testnet-beacon-network.html" class="md-nav__link">
|
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|
|
<span class="md-ellipsis">
|
|
Testing beacon network on local testnet
|
|
</span>
|
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|
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|
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</a>
|
|
</li>
|
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</ul>
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</nav>
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</li>
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<li class="md-nav__item">
|
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<a href="fluffy-with-portal-hive.html" class="md-nav__link">
|
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|
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<span class="md-ellipsis">
|
|
Fluffy with Portal-hive
|
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</span>
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</a>
|
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</li>
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<li class="md-nav__item">
|
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<a href="protocol-interop-testing.html" class="md-nav__link">
|
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<span class="md-ellipsis">
|
|
Protocol Interoperability Testing
|
|
</span>
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</a>
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</li>
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<li class="md-nav__item">
|
|
<a href="eth-data-exporter.html" class="md-nav__link">
|
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|
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|
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<span class="md-ellipsis">
|
|
Exporting Ethereum content for Portal
|
|
</span>
|
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|
|
|
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</a>
|
|
</li>
|
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</ul>
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</nav>
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</li>
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From content bridges
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Seeding history data with the portal_bridge
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Seeding post-merge history data with the beacon_lc_bridge
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<h1 id="bridging-content-portal-history-network">Bridging content: Portal history network<a class="headerlink" href="#bridging-content-portal-history-network" title="Permanent link">#</a></h1>
|
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<h2 id="from-content-bridges">From content bridges<a class="headerlink" href="#from-content-bridges" title="Permanent link">#</a></h2>
|
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<h3 id="seeding-history-data-with-the-portal_bridge">Seeding history data with the <code>portal_bridge</code><a class="headerlink" href="#seeding-history-data-with-the-portal_bridge" title="Permanent link">#</a></h3>
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<h4 id="step-1-run-a-portal-client">Step 1: Run a Portal client<a class="headerlink" href="#step-1-run-a-portal-client" title="Permanent link">#</a></h4>
|
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<p>Run a Portal client with the Portal JSON-RPC API enabled, e.g. fluffy:</p>
|
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<div class="highlight"><pre><span></span><code><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a>./build/fluffy<span class="w"> </span>--rpc<span class="w"> </span>--storage-capacity:0
|
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</code></pre></div>
|
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<blockquote>
|
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<p>Note: The <code>--storage-capacity:0</code> option is not required, but it is added here
|
|
for the use case where the node its only focus is on gossiping content from the
|
|
<code>portal_bridge</code>.</p>
|
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</blockquote>
|
|
<h4 id="step-2-run-an-el-client">Step 2: Run an EL client<a class="headerlink" href="#step-2-run-an-el-client" title="Permanent link">#</a></h4>
|
|
<p>The <code>portal_bridge</code> needs access to the EL JSON-RPC API, either through a local
|
|
Ethereum client or via a web3 provider.</p>
|
|
<h4 id="step-3-run-the-portal-bridge-in-history-mode">Step 3: Run the Portal bridge in history mode<a class="headerlink" href="#step-3-run-the-portal-bridge-in-history-mode" title="Permanent link">#</a></h4>
|
|
<p>Build & run the <code>portal_bridge</code>:
|
|
<div class="highlight"><pre><span></span><code><a id="__codelineno-1-1" name="__codelineno-1-1" href="#__codelineno-1-1"></a>make<span class="w"> </span>portal_bridge
|
|
<a id="__codelineno-1-2" name="__codelineno-1-2" href="#__codelineno-1-2"></a>
|
|
<a id="__codelineno-1-3" name="__codelineno-1-3" href="#__codelineno-1-3"></a><span class="nv">WEB3_URL</span><span class="o">=</span><span class="s2">"http://127.0.0.1:8546"</span><span class="w"> </span><span class="c1"># Replace with your provider.</span>
|
|
<a id="__codelineno-1-4" name="__codelineno-1-4" href="#__codelineno-1-4"></a>./build/portal_bridge<span class="w"> </span><span class="nb">history</span><span class="w"> </span>--web3-url:<span class="si">${</span><span class="nv">WEB3_URL</span><span class="si">}</span>
|
|
</code></pre></div></p>
|
|
<p>Default the portal_bridge will run in <code>--latest</code> mode, which means that only the
|
|
latest block content will be gossiped into the network.</p>
|
|
<p>The portal_bridge also has a <code>--backfill</code> mode which will gossip pre-merge blocks
|
|
from <code>era1</code> files into the network. Default the bridge will audit first whether
|
|
the content is available on the network and if not it will gossip it into the
|
|
network.</p>
|
|
<p>E.g. run latest + backfill with audit mode:
|
|
<div class="highlight"><pre><span></span><code><a id="__codelineno-2-1" name="__codelineno-2-1" href="#__codelineno-2-1"></a><span class="nv">WEB3_URL</span><span class="o">=</span><span class="s2">"http://127.0.0.1:8546"</span><span class="w"> </span><span class="c1"># Replace with your provider.</span>
|
|
<a id="__codelineno-2-2" name="__codelineno-2-2" href="#__codelineno-2-2"></a>./build/portal_bridge<span class="w"> </span><span class="nb">history</span><span class="w"> </span>--latest:true<span class="w"> </span>--backfill:true<span class="w"> </span>--audit:true<span class="w"> </span>--era1-dir:/somedir/era1/<span class="w"> </span>--web3-url:<span class="si">${</span><span class="nv">WEB3_URL</span><span class="si">}</span>
|
|
</code></pre></div></p>
|
|
<h3 id="seeding-post-merge-history-data-with-the-beacon_lc_bridge">Seeding post-merge history data with the <code>beacon_lc_bridge</code><a class="headerlink" href="#seeding-post-merge-history-data-with-the-beacon_lc_bridge" title="Permanent link">#</a></h3>
|
|
<p>The <code>beacon_lc_bridge</code> is more of a standalone bridge that does not require access to a full node with its EL JSON-RPC API. However it is also more limited in the functions it provides.
|
|
It will start with the consensus light client sync and follow beacon block gossip. Once it is synced, the execution payload of new beacon blocks will be extracted and injected in the Portal network as execution headers
|
|
and blocks.</p>
|
|
<blockquote>
|
|
<p>Note: The execution headers will come without a proof.</p>
|
|
</blockquote>
|
|
<p>The injection into the Portal network is done via the
|
|
<code>portal_historyGossip</code> JSON-RPC endpoint of the running Fluffy node.</p>
|
|
<blockquote>
|
|
<p>Note: Backfilling of block bodies and headers is not yet supported.</p>
|
|
</blockquote>
|
|
<p>Run a Fluffy node with the JSON-RPC API enabled.</p>
|
|
<div class="highlight"><pre><span></span><code><a id="__codelineno-3-1" name="__codelineno-3-1" href="#__codelineno-3-1"></a>./build/fluffy<span class="w"> </span>--rpc
|
|
</code></pre></div>
|
|
<p>Build & run the <code>beacon_lc_bridge</code>:
|
|
<div class="highlight"><pre><span></span><code><a id="__codelineno-4-1" name="__codelineno-4-1" href="#__codelineno-4-1"></a>make<span class="w"> </span>beacon_lc_bridge
|
|
<a id="__codelineno-4-2" name="__codelineno-4-2" href="#__codelineno-4-2"></a>
|
|
<a id="__codelineno-4-3" name="__codelineno-4-3" href="#__codelineno-4-3"></a><span class="nv">TRUSTED_BLOCK_ROOT</span><span class="o">=</span>0x1234567890123456789012345678901234567890123456789012345678901234<span class="w"> </span><span class="c1"># Replace with trusted block root.</span>
|
|
<a id="__codelineno-4-4" name="__codelineno-4-4" href="#__codelineno-4-4"></a>./build/beacon_lc_bridge<span class="w"> </span>--trusted-block-root<span class="o">=</span><span class="si">${</span><span class="nv">TRUSTED_BLOCK_ROOT</span><span class="si">}</span>
|
|
</code></pre></div></p>
|
|
<h2 id="from-locally-stored-block-data">From locally stored block data<a class="headerlink" href="#from-locally-stored-block-data" title="Permanent link">#</a></h2>
|
|
<h3 id="building-and-seeding-epoch-accumulators">Building and seeding epoch accumulators<a class="headerlink" href="#building-and-seeding-epoch-accumulators" title="Permanent link">#</a></h3>
|
|
<h4 id="step-1-building-the-epoch-accumulators">Step 1: Building the epoch accumulators<a class="headerlink" href="#step-1-building-the-epoch-accumulators" title="Permanent link">#</a></h4>
|
|
<ol>
|
|
<li>
|
|
<p>Set-up access to an Ethereum JSON-RPC endpoint (e.g. local geth instance)
|
|
that can serve the data.</p>
|
|
</li>
|
|
<li>
|
|
<p>Use the <code>eth_data_exporter</code> tool to download and store all block headers into
|
|
*.e2s files arranged per epoch (8192 blocks):</p>
|
|
</li>
|
|
</ol>
|
|
<div class="highlight"><pre><span></span><code><a id="__codelineno-5-1" name="__codelineno-5-1" href="#__codelineno-5-1"></a>make<span class="w"> </span>eth_data_exporter
|
|
<a id="__codelineno-5-2" name="__codelineno-5-2" href="#__codelineno-5-2"></a>
|
|
<a id="__codelineno-5-3" name="__codelineno-5-3" href="#__codelineno-5-3"></a>./build/eth_data_exporter<span class="w"> </span><span class="nb">history</span><span class="w"> </span>exportEpochHeaders<span class="w"> </span>--data-dir:<span class="s2">"./user_data_dir/"</span>
|
|
</code></pre></div>
|
|
<p>This will store all block headers up till the merge block into *.e2s files in
|
|
the assigned <code>--data-dir</code>.</p>
|
|
<ol>
|
|
<li>Build the master accumulator and the epoch accumulators:</li>
|
|
</ol>
|
|
<div class="highlight"><pre><span></span><code><a id="__codelineno-6-1" name="__codelineno-6-1" href="#__codelineno-6-1"></a>./build/eth_data_exporter<span class="w"> </span><span class="nb">history</span><span class="w"> </span>exportAccumulatorData<span class="w"> </span>--writeEpochAccumulators<span class="w"> </span>--data-dir:<span class="s2">"./user_data_dir/"</span>
|
|
</code></pre></div>
|
|
<h4 id="step-2-seed-the-epoch-accumulators-into-the-portal-network">Step 2: Seed the epoch accumulators into the Portal network<a class="headerlink" href="#step-2-seed-the-epoch-accumulators-into-the-portal-network" title="Permanent link">#</a></h4>
|
|
<p>Run Fluffy and trigger the propagation of data with the
|
|
<code>portal_history_propagateEpochAccumulators</code> JSON-RPC API call:</p>
|
|
<div class="highlight"><pre><span></span><code><a id="__codelineno-7-1" name="__codelineno-7-1" href="#__codelineno-7-1"></a>./build/fluffy<span class="w"> </span>--rpc
|
|
<a id="__codelineno-7-2" name="__codelineno-7-2" href="#__codelineno-7-2"></a>
|
|
<a id="__codelineno-7-3" name="__codelineno-7-3" href="#__codelineno-7-3"></a><span class="c1"># From another terminal</span>
|
|
<a id="__codelineno-7-4" name="__codelineno-7-4" href="#__codelineno-7-4"></a>curl<span class="w"> </span>-s<span class="w"> </span>-X<span class="w"> </span>POST<span class="w"> </span>-H<span class="w"> </span><span class="s1">'Content-Type: application/json'</span><span class="w"> </span>-d<span class="w"> </span><span class="s1">'{"jsonrpc":"2.0","id":"1","method":"portal_history_propagateEpochAccumulators","params":["./user_data_dir/"]}'</span><span class="w"> </span>http://localhost:8545<span class="w"> </span><span class="p">|</span><span class="w"> </span>jq
|
|
</code></pre></div>
|
|
<h4 id="step-3-optional-verify-that-all-epoch-accumulators-are-available">Step 3 (Optional): Verify that all epoch accumulators are available<a class="headerlink" href="#step-3-optional-verify-that-all-epoch-accumulators-are-available" title="Permanent link">#</a></h4>
|
|
<p>Run Fluffy and run the <code>content_verifier</code> tool to verify that all epoch
|
|
accumulators are available on the history network:</p>
|
|
<p>Make sure you still have a fluffy instance running, if not run:
|
|
<div class="highlight"><pre><span></span><code><a id="__codelineno-8-1" name="__codelineno-8-1" href="#__codelineno-8-1"></a>./build/fluffy<span class="w"> </span>--rpc
|
|
</code></pre></div></p>
|
|
<p>Run the <code>content_verifier</code> tool and see if all epoch accumulators are found:
|
|
<div class="highlight"><pre><span></span><code><a id="__codelineno-9-1" name="__codelineno-9-1" href="#__codelineno-9-1"></a>make<span class="w"> </span>content_verifier
|
|
<a id="__codelineno-9-2" name="__codelineno-9-2" href="#__codelineno-9-2"></a>./build/content_verifier
|
|
</code></pre></div></p>
|
|
<h3 id="downloading-seeding-block-data">Downloading & seeding block data<a class="headerlink" href="#downloading-seeding-block-data" title="Permanent link">#</a></h3>
|
|
<ol>
|
|
<li>Set-up access to an Ethereum JSON-RPC endpoint (e.g. local geth instance)
|
|
that can serve the data.</li>
|
|
<li>Use the <code>eth_data_exporter</code> tool to download history data through the
|
|
JSON-RPC endpoint into the format which is suitable for reading data into
|
|
Fluffy client and propagating into the network:</li>
|
|
</ol>
|
|
<div class="highlight"><pre><span></span><code><a id="__codelineno-10-1" name="__codelineno-10-1" href="#__codelineno-10-1"></a>make<span class="w"> </span>eth_data_exporter
|
|
<a id="__codelineno-10-2" name="__codelineno-10-2" href="#__codelineno-10-2"></a>
|
|
<a id="__codelineno-10-3" name="__codelineno-10-3" href="#__codelineno-10-3"></a>./build/eth_data_exporter<span class="w"> </span><span class="nb">history</span><span class="w"> </span>exportBlockData--initial-block:1<span class="w"> </span>--end-block:10<span class="w"> </span>--data-dir:<span class="s2">"/user_data_dir/"</span>
|
|
</code></pre></div>
|
|
<p>This will store blocks 1 to 10 into a json file located at
|
|
<code>./user_data_dir/eth-history-data.json</code>.</p>
|
|
<ol>
|
|
<li>Run Fluffy and trigger the propagation of data with the
|
|
<code>portal_history_propagate</code> JSON-RPC API call:</li>
|
|
</ol>
|
|
<div class="highlight"><pre><span></span><code><a id="__codelineno-11-1" name="__codelineno-11-1" href="#__codelineno-11-1"></a>./build/fluffy<span class="w"> </span>--rpc
|
|
<a id="__codelineno-11-2" name="__codelineno-11-2" href="#__codelineno-11-2"></a>
|
|
<a id="__codelineno-11-3" name="__codelineno-11-3" href="#__codelineno-11-3"></a><span class="c1"># From another shell</span>
|
|
<a id="__codelineno-11-4" name="__codelineno-11-4" href="#__codelineno-11-4"></a>curl<span class="w"> </span>-s<span class="w"> </span>-X<span class="w"> </span>POST<span class="w"> </span>-H<span class="w"> </span><span class="s1">'Content-Type: application/json'</span><span class="w"> </span>-d<span class="w"> </span><span class="s1">'{"jsonrpc":"2.0","id":"1","method":"portal_history_propagate","params":["./user_data_dir/eth-history-data.json"]}'</span><span class="w"> </span>http://localhost:8545<span class="w"> </span><span class="p">|</span><span class="w"> </span>jq
|
|
</code></pre></div>
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