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</script></nav></div><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/bitcoin-s/bitcoin-s/blob/master/docs/rpc/lnd.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">LND</h1></header><article><div><span><p>This is an RPC client for <a href="https://github.com/LightningNetwork/lnd">LND</a>. It assumes that a bitcoind instance is running.</p>
<p>Currently, this RPC client is written for <a href="https://github.com/lightningnetwork/lnd/releases/tag/v0.14.0-beta">v0.14.0</a> version of LND.</p>
<h2><a class="anchor" aria-hidden="true" id="configuration-of-lnd"></a><a href="#configuration-of-lnd" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Configuration of LND</h2>
<p>Please see the <a href="https://github.com/lightningnetwork/lnd/blob/v0.14.0-beta/sample-lnd.conf">sample configuration for LND</a>.</p>
<p>You can find the configuration we use for our testing infrastructure for lnd <a href="https://github.com/bitcoin-s/bitcoin-s/blob/656e0928bf1bf4f511f60dec625699b454f29a1f/testkit/src/main/scala/org/bitcoins/testkit/lnd/LndRpcTestUtil.scala#L90">here</a>.</p>
<h2><a class="anchor" aria-hidden="true" id="starting-lnd"></a><a href="#starting-lnd" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Starting LND</h2>
<p>You need to download the binaries from the <a href="https://github.com/lightningnetwork/lnd/releases/tag/v0.14.0-beta">LND's github</a>.</p>
<p>To run lnd by unzipping the <code>lnd-linux-amd64-v0.14.0-beta.tar.gz</code> (or whichever platform you are on) and then running</p>
<pre><code class="hljs css language-bash">$ ./lnd-linux-amd64-v0.14.0-beta/lnd
</code></pre>
<p>If you wish to start lnd from the RPC client, you can construct a <a href="https://github.com/bitcoin-s/bitcoin-s/blob/656e0928bf1bf4f511f60dec625699b454f29a1f/lnd-rpc/src/main/scala/org/bitcoins/lnd/rpc/LndRpcClient.scala#L35"><code>LndRpcClient.binary</code></a> field set</p>
<p>We will default to using the <code>binary</code> field first when trying to start the jar, and the fallback to the default datadir (<code>~/.lnd</code>).</p>
<p>Here is an example of how to start lnd:</p>
<pre><code class="hljs css language-scala"><span class="hljs-keyword">implicit</span> <span class="hljs-keyword">val</span> system = <span class="hljs-type">ActorSystem</span>(<span class="hljs-string">s"lnd-rpc-<span class="hljs-subst">${System.currentTimeMillis}</span>"</span>)
<span class="hljs-keyword">implicit</span> <span class="hljs-keyword">val</span> ec = system.dispatcher
<span class="hljs-keyword">val</span> datadirPath = <span class="hljs-type">Paths</span>.get(<span class="hljs-string">"path"</span>, <span class="hljs-string">"to"</span>, <span class="hljs-string">"datadir"</span>)
<span class="hljs-keyword">val</span> binaryPath = <span class="hljs-type">Paths</span>.get(<span class="hljs-string">"path"</span>, <span class="hljs-string">"to"</span>, <span class="hljs-string">"lnd-linux-amd64-v0.14.0-beta"</span>, <span class="hljs-string">"lnd"</span>)
<span class="hljs-keyword">val</span> instance = <span class="hljs-type">LndInstanceLocal</span>.fromDataDir(datadirPath.toFile)
<span class="hljs-keyword">val</span> client = <span class="hljs-keyword">new</span> <span class="hljs-type">LndRpcClient</span>(instance, <span class="hljs-type">Some</span>(binaryPath.toFile))
<span class="hljs-keyword">val</span> startedF = client.start()
<span class="hljs-keyword">for</span> {
lnd &lt;- startedF
info &lt;- lnd.getInfo
} <span class="hljs-keyword">yield</span> {
println(<span class="hljs-string">s"Lnd info: <span class="hljs-subst">$info</span>"</span>)
}
</code></pre>
<h3><a class="anchor" aria-hidden="true" id="updating-to-a-new-lnd-version"></a><a href="#updating-to-a-new-lnd-version" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Updating to a new LND version</h3>
<p>The lnd rpc module uses lnd's gRPC. This means when updating to the latest version, the <code>.proto</code> files will need to be updated.
Bitcoin-S stores them in <a href="https://github.com/bitcoin-s/bitcoin-s/tree/master/lnd-rpc/src/main/protobuf">lnd-rpc/src/main/protobuf</a>.
You can find the files to copy from LND <a href="https://github.com/lightningnetwork/lnd/tree/master/lnrpc">here</a>.</p>
<p>After updating the <code>proto</code> files you can run <code>sbt compile</code> and this will generate the corresponding class files, this should then give
compile warnings for changed rpc functions.</p>
</span></div></article></div><div class="docLastUpdate"><em>Last updated on 11/19/2021 by benthecarman</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/rpc/rpc-bitcoind"><span class="arrow-prev"></span><span>bitcoind/Bitcoin Core</span></a><a class="docs-next button" href="/docs/secp256k1/secp256k1"><span>Secp256k1</span><span class="arrow-next"></span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#configuration-of-lnd">Configuration of LND</a></li><li><a href="#starting-lnd">Starting LND</a><ul class="toc-headings"><li><a href="#updating-to-a-new-lnd-version">Updating to a new LND version</a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/favicon.ico" alt="bitcoin-s" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/en/getting-started">Getting Started</a><a href="/docs/en/core/core-intro">Guides</a><a href="/api/org/bitcoins">API Reference</a></div><div><h5>Community</h5><a href="/en/users.html">User Showcase</a><a href="https://join.slack.com/t/suredbits/shared_invite/zt-eavycu0x-WQL7XOakzQo8tAy7jHHZUw" target="_blank" rel="noreferrer noopener">Slack</a><a href="https://gitter.im/bitcoin-s-core/">Gitter chat</a></div><div><h5>More</h5><a href="https://github.com/bitcoin-s/bitcoin-s">GitHub</a><a class="github-button" href="https://github.com/bitcoin-s/bitcoin-s" data-icon="octicon-star" data-count-href="/bitcoin-s/bitcoin-s-core/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">Star</a></div></section><section class="copyright">Copyright © 2022 Suredbits &amp; the bitcoin-s developers</section></footer></div><script type="text/javascript" src="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.js"></script><script>
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