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<h1>lockunspent - Bitcoin RPC</h1>
<pre>
lockunspent unlock ([{&#34;txid&#34;:&#34;txid&#34;,&#34;vout&#34;:n},...])
Updates list of temporarily unspendable outputs.
Temporarily lock (unlock=false) or unlock (unlock=true) specified transaction outputs.
If no transaction outputs are specified when unlocking then all current locked transaction outputs are unlocked.
A locked transaction output will not be chosen by automatic coin selection, when spending bitcoins.
Locks are stored in memory only. Nodes start with zero locked outputs, and the locked output list
is always cleared (by virtue of process exit) when a node stops or fails.
Also see the listunspent call
Arguments:
1. unlock (boolean, required) Whether to unlock (true) or lock (false) the specified transactions
2. &#34;transactions&#34; (string, optional) A json array of objects. Each object the txid (string) vout (numeric)
[ (json array of json objects)
{
&#34;txid&#34;:&#34;id&#34;, (string) The transaction id
&#34;vout&#34;: n (numeric) The output number
}
,...
]
Result:
true|false (boolean) Whether the command was successful or not
Examples:
List the unspent transactions
&gt; bitcoin-cli listunspent
Lock an unspent transaction
&gt; bitcoin-cli lockunspent false &#34;[{\&#34;txid\&#34;:\&#34;a08e6907dbbd3d809776dbfc5d82e371b764ed838b5655e72f463568df1aadf0\&#34;,\&#34;vout\&#34;:1}]&#34;
List the locked transactions
&gt; bitcoin-cli listlockunspent
Unlock the transaction again
&gt; bitcoin-cli lockunspent true &#34;[{\&#34;txid\&#34;:\&#34;a08e6907dbbd3d809776dbfc5d82e371b764ed838b5655e72f463568df1aadf0\&#34;,\&#34;vout\&#34;:1}]&#34;
As a json rpc call
&gt; curl --user myusername --data-binary &#39;{&#34;jsonrpc&#34;: &#34;1.0&#34;, &#34;id&#34;:&#34;curltest&#34;, &#34;method&#34;: &#34;lockunspent&#34;, &#34;params&#34;: [false, &#34;[{\&#34;txid\&#34;:\&#34;a08e6907dbbd3d809776dbfc5d82e371b764ed838b5655e72f463568df1aadf0\&#34;,\&#34;vout\&#34;:1}]&#34;] }&#39; -H &#39;content-type: text/plain;&#39; http://127.0.0.1:8332/
</pre>
<hr>
<p>
This is a website, created out of frustration with uncomplete and outdated Bitcoin Core RPC documentation online.
</p>
<p>
It was inspired by <a href="http://chainquery.com/bitcoin-api">ChainQuery</a>, which seems to be abandoned. These docs are even simplier, so they can be regenerated by anyone.
</p>
<p>
Made by <a href="https://twitter.com/karel_3d">@karel_3d</a>; license of the docs is MIT (see <a href="https://github.com/bitcoin/bitcoin/">bitcoin repo</a>), license of the scripts and webpage is also MIT ((C) 2018 Karel Bilek) (<a href="https://github.com/bitcoin-rpc/bitcoin-rpc.github.io">github repo</a>)
</p>
<p>
Bitcoin version: 0.16.0.
</p>
<p>
Note that the RPC is from a regtest node (for completeness), so it includes some additional calls that a regular node doesn't have.
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