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<h1>Urbit Bitcoin Connector</h1>
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<p><b>This app will allow you to connect your Urbit's Bitcoin wallet to your Umbrel.</b></p>
<p>Urbit's Bitcoin wallet talks to the blockchain like this:</p>
<p><pre><code>[%btc-wallet] <--> [%btc-provider] <--> [Full node]</code></pre></p>
<p>You need to connect %btc-wallet to a configured provider before you can use it. %btc-wallet and %btc-provider may or may not be on the same ship.</p>
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<p><b>Connecting your ship</b></p>
<p>First configure your provider:</p>
<p><ul>
<li>Open the dojo on your ship ('Terminal')</li>
<li>Enter the following commands:</li>
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<pre><code>dojo> |rein %bitcoin [& %btc-provider]
dojo> =network %main
dojo> :btc-provider +bitcoin!btc-provider/command [%set-credentials api-url='http://127.0.0.1:55555' network]</code></pre>
You should see a new block announcement in the dojo. (If your ship is on another host, change the IP address.)</p>
<p><ul><li>Next, go to your Bitcoin wallet in your Urbit's web UI.</li>
<li>Configure your provider by entering the @p (ship name) of the provider you just configured.</li>
<li>Enter your xPub from <a href="https://bridge.urbit.org">Bridge</a> or an <a href="https://blog.blockonomics.co/how-to-find-your-xpub-key-with-these-8-popular-bitcoin-wallets-ce8ea665ffdc">external wallet</a>.
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<p><b>Whitelisting clients</b></p>
<p>By default, only your provider's @p will be whitelisted for use. You can whitelist any other ship or groups of ships using the following commands.</p>
<pre><code>:: Individual ships ::
dojo> :btc-provider +bitcoin!btc-provider/command [%add-whitelist [%users users=(sy ~[~wallet-hodler])]]
:: Group members (provider ship must be a member) ::
dojo> :btc-provider +bitcoin!btc-provider/command [%add-whitelist [%groups groups=(sy ~[[~sampel %group-name]])]]
:: %kids ::
dojo> :btc-provider +bitcoin!btc-provider/command [%add-whitelist %kids ~]
:: Public whitelisting ::
dojo> :btc-provider +bitcoin!btc-provider/command [%add-whitelist %public ~]</pre></code>
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For support, file an issue on <a href="https://github.com/yapishu/urbit-bitcoin-node">GitHub</a> or join ~matwet/networked-subject on Urbit.
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<h2 style="text-align:center;">(~)</h2>
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