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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/wallet/wallet-get-address.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Wallet Get Address APIs</h1></header><article><div><span><p>The Bitcoin-S wallet has a few different functions for getting a wallet address
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that all server different purposes.</p>
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<p>First, there is <code>getNewAddress</code>. This function will always return a new a address
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determined by the next address available address index.</p>
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<p>Second, we have <code>getUnusedAddress</code>. This function will return an address that has
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not ever received funds.</p>
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<p>Third, there is <code>getAddress</code>. This function takes in an <code>AccountDb</code>, <code>HDChainType</code>,
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and an <code>Int</code>. This will return the address associated with the pubkey at
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the resulting <code>BIP32Path</code>.</p>
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<h2><a class="anchor" aria-hidden="true" id="address-queue"></a><a href="#address-queue" 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>Address Queue</h2>
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<p>The Bitcoin-S wallet uses a background thread meant to ensure safety when fetching addresses.
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This is to ensure independent calls to getNewAddress don't result in a race condition to the database that would generate the same address and cause an error.
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With this background thread, we poll the <code>addressRequestQueue</code> seeing if there are any elements in it, if there are, we process them and complete the Promise in the queue.</p>
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<p>There are two ways to configure the wallet's address queue.</p>
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<ol>
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<li><p><code>addressQueueSize</code>: How big the address queue size is before we throw an overflow exception</p></li>
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<li><p><code>addressQueueTimeout</code>: How long we attempt to generate an address for before it times out</p></li>
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</ol>
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<p>For an example configuration, checkout the <a href="/docs/config/configuration#example-configuration-file">example config</a>.</p>
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</span></div></article></div><div class="docLastUpdate"><em>Last updated on 8/7/2020 by Ben Carman</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/wallet/wallet-callbacks"><span class="arrow-prev">← </span><span>Wallet Callbacks</span></a><a class="docs-next button" href="/docs/wallet/address-tagging"><span>Address and UTXO tagging</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#address-queue">Address Queue</a></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 © 2025 Suredbits & 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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