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<title>MultiChain Developer Q&amp;A - Recent questions tagged preparelockunsent</title>
<link>https://www.multichain.com/qa/tag/preparelockunsent</link>
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<title>prepareunlockspent in C# with RPC</title>
<link>https://www.multichain.com/qa/5110/prepareunlockspent-in-c%23-with-rpc</link>
<description>I'm having an issue trying to use prepareunlockspent in c# using rpc. &amp;nbsp;the JSO that is being sent (before it is byte encoded) looks like:&lt;br /&gt;
&lt;br /&gt;
{\&amp;quot;method\&amp;quot;:\&amp;quot;preparelockunspent\&amp;quot;,\&amp;quot;params\&amp;quot;:[\&amp;quot;'{\\\&amp;quot;asset1\\\&amp;quot;:1000}'\&amp;quot;],\&amp;quot;chain_name\&amp;quot;:\&amp;quot;test1\&amp;quot;,\&amp;quot;chain_key\&amp;quot;:null,\&amp;quot;int\&amp;quot;:0}&lt;br /&gt;
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&amp;nbsp;&lt;br /&gt;
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But when I issue a GetResponse, I get a 500 internal server error.&lt;br /&gt;
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Digging deeper the underlying error is :&lt;br /&gt;
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&amp;quot;{\&amp;quot;result\&amp;quot;:null,\&amp;quot;error\&amp;quot;:{\&amp;quot;code\&amp;quot;:-1,\&amp;quot;message\&amp;quot;:\&amp;quot;value is type str, expected real\&amp;quot;},\&amp;quot;id\&amp;quot;:null}\n&amp;quot;&lt;br /&gt;
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&amp;nbsp;&lt;br /&gt;
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Any thoughts?&lt;br /&gt;
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Andrew</description>
<guid isPermaLink="true">https://www.multichain.com/qa/5110/prepareunlockspent-in-c%23-with-rpc</guid>
<pubDate>Fri, 19 May 2017 14:36:03 +0000</pubDate>
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