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<main>
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<h1 id="prerequisites--setup"><a class="header" href="#prerequisites--setup">Prerequisites & Setup</a></h1>
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<p>This page covers everything you need before running your first scenario.</p>
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<h2 id="required-files"><a class="header" href="#required-files">Required Files</a></h2>
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<h3 id="versionsenv-required"><a class="header" href="#versionsenv-required"><code>versions.env</code> (Required)</a></h3>
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<p>All helper scripts require a <code>versions.env</code> file at the repository root:</p>
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<pre><code class="language-bash">VERSION=v0.3.1
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NOMOS_NODE_REV=abc123def456789
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NOMOS_BUNDLE_VERSION=v1
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</code></pre>
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<p><strong>What it defines:</strong></p>
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<ul>
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<li><code>VERSION</code> — Circuit release tag for KZG parameters</li>
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<li><code>NOMOS_NODE_REV</code> — Git revision of nomos-node to build/fetch</li>
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<li><code>NOMOS_BUNDLE_VERSION</code> — Bundle schema version</li>
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</ul>
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<p><strong>Where it's used:</strong></p>
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<ul>
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<li><code>scripts/run/run-examples.sh</code></li>
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<li><code>scripts/build/build-bundle.sh</code></li>
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<li><code>scripts/setup/setup-nomos-circuits.sh</code></li>
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<li>CI workflows</li>
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</ul>
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<p><strong>Error if missing:</strong></p>
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<pre><code class="language-text">ERROR: versions.env not found at repository root
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This file is required and should define:
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VERSION=<circuit release tag>
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NOMOS_NODE_REV=<nomos-node git revision>
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NOMOS_BUNDLE_VERSION=<bundle schema version>
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</code></pre>
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<p><strong>Fix:</strong> Ensure you're in the repository root. The file should already exist in the checked-out repo.</p>
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<h2 id="node-binaries"><a class="header" href="#node-binaries">Node Binaries</a></h2>
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<p>Scenarios need compiled <code>nomos-node</code> and <code>nomos-executor</code> binaries.</p>
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<h3 id="option-1-use-helper-scripts-recommended"><a class="header" href="#option-1-use-helper-scripts-recommended">Option 1: Use Helper Scripts (Recommended)</a></h3>
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<pre><code class="language-bash">scripts/run/run-examples.sh -t 60 -v 3 -e 1 host
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</code></pre>
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<p>This automatically:</p>
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<ul>
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<li>Clones/updates nomos-node checkout</li>
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<li>Builds required binaries</li>
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<li>Sets <code>NOMOS_NODE_BIN</code> / <code>NOMOS_EXECUTOR_BIN</code></li>
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</ul>
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<h3 id="option-2-manual-build"><a class="header" href="#option-2-manual-build">Option 2: Manual Build</a></h3>
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<p>If you have a sibling <code>nomos-node</code> checkout:</p>
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<pre><code class="language-bash">cd ../nomos-node
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cargo build --release --bin nomos-node --bin nomos-executor
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# Set environment variables
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export NOMOS_NODE_BIN=$PWD/target/release/nomos-node
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export NOMOS_EXECUTOR_BIN=$PWD/target/release/nomos-executor
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# Return to testing framework
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cd ../nomos-testing
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</code></pre>
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<h3 id="option-3-prebuilt-bundles-ci"><a class="header" href="#option-3-prebuilt-bundles-ci">Option 3: Prebuilt Bundles (CI)</a></h3>
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<p>CI workflows use prebuilt artifacts:</p>
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<pre><code class="language-yaml">- name: Download nomos binaries
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uses: actions/download-artifact@v3
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with:
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name: nomos-binaries-linux
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path: .tmp/
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- name: Extract bundle
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run: |
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tar -xzf .tmp/nomos-binaries-linux-*.tar.gz -C .tmp/
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export NOMOS_NODE_BIN=$PWD/.tmp/nomos-node
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export NOMOS_EXECUTOR_BIN=$PWD/.tmp/nomos-executor
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</code></pre>
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<h2 id="circuit-assets-kzg-parameters"><a class="header" href="#circuit-assets-kzg-parameters">Circuit Assets (KZG Parameters)</a></h2>
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<p>Data Availability (DA) workloads require KZG cryptographic parameters.</p>
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<h3 id="asset-location"><a class="header" href="#asset-location">Asset Location</a></h3>
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<p><strong>Default path:</strong> <code>testing-framework/assets/stack/kzgrs_test_params/kzgrs_test_params</code></p>
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<p>Note: The directory <code>kzgrs_test_params/</code> contains a file named <code>kzgrs_test_params</code>. This is the proving key file (~120MB).</p>
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<p><strong>Container path (compose/k8s):</strong> <code>/kzgrs_test_params/kzgrs_test_params</code></p>
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<h3 id="getting-assets"><a class="header" href="#getting-assets">Getting Assets</a></h3>
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<p><strong>Option 1: Use helper script</strong> (recommended):</p>
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<pre><code class="language-bash"># Fetch circuits
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scripts/setup/setup-nomos-circuits.sh v0.3.1 /tmp/nomos-circuits
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# Copy to default location
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mkdir -p testing-framework/assets/stack/kzgrs_test_params
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cp -r /tmp/nomos-circuits/* testing-framework/assets/stack/kzgrs_test_params/
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# Verify (should be ~120MB)
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ls -lh testing-framework/assets/stack/kzgrs_test_params/kzgrs_test_params
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</code></pre>
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<p><strong>Option 2: Let <code>run-examples.sh</code> handle it</strong>:</p>
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||
|
|
<pre><code class="language-bash">scripts/run/run-examples.sh -t 60 -v 3 -e 1 host
|
||
|
|
</code></pre>
|
||
|
|
<p>This automatically fetches and places assets.</p>
|
||
|
|
<h3 id="override-path"><a class="header" href="#override-path">Override Path</a></h3>
|
||
|
|
<p>Set <code>NOMOS_KZGRS_PARAMS_PATH</code> to use a custom location:</p>
|
||
|
|
<pre><code class="language-bash">NOMOS_KZGRS_PARAMS_PATH=/custom/path/to/kzgrs_test_params \
|
||
|
|
cargo run -p runner-examples --bin local_runner
|
||
|
|
</code></pre>
|
||
|
|
<h3 id="when-are-assets-needed"><a class="header" href="#when-are-assets-needed">When Are Assets Needed?</a></h3>
|
||
|
|
<div class="table-wrapper"><table><thead><tr><th>Runner</th><th>When Required</th></tr></thead><tbody>
|
||
|
|
<tr><td><strong>Host (local)</strong></td><td>Always (for DA workloads)</td></tr>
|
||
|
|
<tr><td><strong>Compose</strong></td><td>During image build (baked into image)</td></tr>
|
||
|
|
<tr><td><strong>K8s</strong></td><td>During image build + mounted via hostPath</td></tr>
|
||
|
|
</tbody></table>
|
||
|
|
</div>
|
||
|
|
<p><strong>Error without assets:</strong></p>
|
||
|
|
<pre><code class="language-text">Error: Custom { kind: NotFound, error: "Circuit file not found at: testing-framework/assets/stack/kzgrs_test_params/kzgrs_test_params" }
|
||
|
|
</code></pre>
|
||
|
|
<h2 id="platform-requirements"><a class="header" href="#platform-requirements">Platform Requirements</a></h2>
|
||
|
|
<h3 id="host-runner-local-processes"><a class="header" href="#host-runner-local-processes">Host Runner (Local Processes)</a></h3>
|
||
|
|
<p><strong>Requires:</strong></p>
|
||
|
|
<ul>
|
||
|
|
<li>Rust nightly toolchain</li>
|
||
|
|
<li>Node binaries built</li>
|
||
|
|
<li>KZG circuit assets (for DA workloads)</li>
|
||
|
|
<li>Available ports (18080+, 3100+, etc.)</li>
|
||
|
|
</ul>
|
||
|
|
<p><strong>No Docker required.</strong></p>
|
||
|
|
<p><strong>Best for:</strong></p>
|
||
|
|
<ul>
|
||
|
|
<li>Quick iteration</li>
|
||
|
|
<li>Development</li>
|
||
|
|
<li>Smoke tests</li>
|
||
|
|
</ul>
|
||
|
|
<h3 id="compose-runner-docker-compose"><a class="header" href="#compose-runner-docker-compose">Compose Runner (Docker Compose)</a></h3>
|
||
|
|
<p><strong>Requires:</strong></p>
|
||
|
|
<ul>
|
||
|
|
<li>Docker daemon running</li>
|
||
|
|
<li>Docker image built: <code>logos-blockchain-testing:local</code></li>
|
||
|
|
<li>KZG assets baked into image</li>
|
||
|
|
<li>Docker Desktop (macOS) or Docker Engine (Linux)</li>
|
||
|
|
</ul>
|
||
|
|
<p><strong>Platform notes (macOS / Apple silicon):</strong></p>
|
||
|
|
<ul>
|
||
|
|
<li>Prefer <code>NOMOS_BUNDLE_DOCKER_PLATFORM=linux/arm64</code> for native performance</li>
|
||
|
|
<li>Use <code>linux/amd64</code> only if targeting amd64 environments (slower via emulation)</li>
|
||
|
|
</ul>
|
||
|
|
<p><strong>Best for:</strong></p>
|
||
|
|
<ul>
|
||
|
|
<li>Reproducible environments</li>
|
||
|
|
<li>CI testing</li>
|
||
|
|
<li>Chaos workloads (node control support)</li>
|
||
|
|
</ul>
|
||
|
|
<h3 id="k8s-runner-kubernetes"><a class="header" href="#k8s-runner-kubernetes">K8s Runner (Kubernetes)</a></h3>
|
||
|
|
<p><strong>Requires:</strong></p>
|
||
|
|
<ul>
|
||
|
|
<li>Kubernetes cluster (Docker Desktop K8s, minikube, kind, or remote)</li>
|
||
|
|
<li><code>kubectl</code> configured</li>
|
||
|
|
<li>Docker image built and loaded/pushed</li>
|
||
|
|
<li>KZG assets baked into image + mounted via hostPath</li>
|
||
|
|
</ul>
|
||
|
|
<p><strong>Local cluster setup:</strong></p>
|
||
|
|
<pre><code class="language-bash"># Docker Desktop: Enable Kubernetes in settings
|
||
|
|
|
||
|
|
# OR: Use kind
|
||
|
|
kind create cluster
|
||
|
|
kind load docker-image logos-blockchain-testing:local
|
||
|
|
|
||
|
|
# OR: Use minikube
|
||
|
|
minikube start
|
||
|
|
minikube image load logos-blockchain-testing:local
|
||
|
|
</code></pre>
|
||
|
|
<p><strong>Remote cluster:</strong> Push image to registry and set <code>NOMOS_TESTNET_IMAGE</code>.</p>
|
||
|
|
<p><strong>Best for:</strong></p>
|
||
|
|
<ul>
|
||
|
|
<li>Production-like testing</li>
|
||
|
|
<li>Resource isolation</li>
|
||
|
|
<li>Large topologies</li>
|
||
|
|
</ul>
|
||
|
|
<h2 id="critical-environment-variable"><a class="header" href="#critical-environment-variable">Critical Environment Variable</a></h2>
|
||
|
|
<p><strong><code>POL_PROOF_DEV_MODE=true</code> is REQUIRED for ALL runners!</strong></p>
|
||
|
|
<p>Without this, proof generation uses expensive Groth16 proving, causing:</p>
|
||
|
|
<ul>
|
||
|
|
<li>Tests "hang" for minutes</li>
|
||
|
|
<li>CPU spikes to 100%</li>
|
||
|
|
<li>Timeouts and failures</li>
|
||
|
|
</ul>
|
||
|
|
<p><strong>Always set:</strong></p>
|
||
|
|
<pre><code class="language-bash">POL_PROOF_DEV_MODE=true cargo run -p runner-examples --bin local_runner
|
||
|
|
POL_PROOF_DEV_MODE=true scripts/run/run-examples.sh -t 60 -v 3 -e 1 compose
|
||
|
|
# etc.
|
||
|
|
</code></pre>
|
||
|
|
<p><strong>Or add to your shell profile:</strong></p>
|
||
|
|
<pre><code class="language-bash"># ~/.bashrc or ~/.zshrc
|
||
|
|
export POL_PROOF_DEV_MODE=true
|
||
|
|
</code></pre>
|
||
|
|
<h2 id="quick-setup-check"><a class="header" href="#quick-setup-check">Quick Setup Check</a></h2>
|
||
|
|
<p>Run this checklist before your first scenario:</p>
|
||
|
|
<pre><code class="language-bash"># 1. Verify versions.env exists
|
||
|
|
cat versions.env
|
||
|
|
|
||
|
|
# 2. Check circuit assets (for DA workloads)
|
||
|
|
ls -lh testing-framework/assets/stack/kzgrs_test_params/kzgrs_test_params
|
||
|
|
|
||
|
|
# 3. Verify POL_PROOF_DEV_MODE is set
|
||
|
|
echo $POL_PROOF_DEV_MODE # Should print: true
|
||
|
|
|
||
|
|
# 4. For compose/k8s: verify Docker is running
|
||
|
|
docker ps
|
||
|
|
|
||
|
|
# 5. For compose/k8s: verify image exists
|
||
|
|
docker images | grep logos-blockchain-testing
|
||
|
|
|
||
|
|
# 6. For host runner: verify node binaries (if not using scripts)
|
||
|
|
$NOMOS_NODE_BIN --version
|
||
|
|
$NOMOS_EXECUTOR_BIN --version
|
||
|
|
</code></pre>
|
||
|
|
<h2 id="recommended-use-helper-scripts"><a class="header" href="#recommended-use-helper-scripts">Recommended: Use Helper Scripts</a></h2>
|
||
|
|
<p>The easiest path is to let the helper scripts handle everything:</p>
|
||
|
|
<pre><code class="language-bash"># Host runner
|
||
|
|
scripts/run/run-examples.sh -t 60 -v 3 -e 1 host
|
||
|
|
|
||
|
|
# Compose runner
|
||
|
|
scripts/run/run-examples.sh -t 60 -v 3 -e 1 compose
|
||
|
|
|
||
|
|
# K8s runner
|
||
|
|
scripts/run/run-examples.sh -t 60 -v 3 -e 1 k8s
|
||
|
|
</code></pre>
|
||
|
|
<p>These scripts:</p>
|
||
|
|
<ul>
|
||
|
|
<li>Verify <code>versions.env</code> exists</li>
|
||
|
|
<li>Clone/build nomos-node if needed</li>
|
||
|
|
<li>Fetch circuit assets if missing</li>
|
||
|
|
<li>Build Docker images (compose/k8s)</li>
|
||
|
|
<li>Load images into cluster (k8s)</li>
|
||
|
|
<li>Run the scenario with proper environment</li>
|
||
|
|
</ul>
|
||
|
|
<p><strong>Next Steps:</strong></p>
|
||
|
|
<ul>
|
||
|
|
<li><a href="running-examples.html">Running Examples</a> — Learn how to run scenarios</li>
|
||
|
|
<li><a href="environment-variables.html">Environment Variables</a> — Full variable reference</li>
|
||
|
|
<li><a href="troubleshooting.html">Troubleshooting</a> — Common issues and fixes</li>
|
||
|
|
</ul>
|
||
|
|
|
||
|
|
</main>
|
||
|
|
|
||
|
|
<nav class="nav-wrapper" aria-label="Page navigation">
|
||
|
|
<!-- Mobile navigation buttons -->
|
||
|
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<a rel="prev" href="operations-overview.html" class="mobile-nav-chapters previous" title="Previous chapter" aria-label="Previous chapter" aria-keyshortcuts="Left">
|
||
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<i class="fa fa-angle-left"></i>
|
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</a>
|
||
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|
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|
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<a rel="next prefetch" href="running-examples.html" class="mobile-nav-chapters next" title="Next chapter" aria-label="Next chapter" aria-keyshortcuts="Right">
|
||
|
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<i class="fa fa-angle-right"></i>
|
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|
||
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|
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|
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<div style="clear: both"></div>
|
||
|
|
</nav>
|
||
|
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</div>
|
||
|
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</div>
|
||
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|
||
|
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<nav class="nav-wide-wrapper" aria-label="Page navigation">
|
||
|
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<a rel="prev" href="operations-overview.html" class="nav-chapters previous" title="Previous chapter" aria-label="Previous chapter" aria-keyshortcuts="Left">
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|
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|
||
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|
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|
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<a rel="next prefetch" href="running-examples.html" class="nav-chapters next" title="Next chapter" aria-label="Next chapter" aria-keyshortcuts="Right">
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|
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|
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|
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|
||
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|
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|
||
|
|
|
||
|
|
|
||
|
|
<script>
|
||
|
|
window.playground_copyable = true;
|
||
|
|
</script>
|
||
|
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|
||
|
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|
||
|
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<script src="elasticlunr.min.js"></script>
|
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<script src="mark.min.js"></script>
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<script src="searcher.js"></script>
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<script src="book.js"></script>
|
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|
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|
||
|
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<script src="theme/mermaid-init.js"></script>
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||
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|
||
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|
||
|
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</div>
|
||
|
|
</body>
|
||
|
|
</html>
|