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<title>MultiChain Developer Q&amp;A - Recent questions tagged dvp</title>
<link>https://www.multichain.com/qa/tag/dvp</link>
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<title>signing using cold node reports wrong COMPLETE attribute</title>
<link>https://www.multichain.com/qa/22750/signing-using-cold-node-reports-wrong-complete-attribute</link>
<description>&lt;p&gt;Ti MC team,&lt;/p&gt;&lt;p&gt;I'm doing a test with MC 2.0.2 as follow:&lt;/p&gt;&lt;p&gt;- Address_A makes a dvp proposal towards Address_B in one hot node.&lt;br&gt;- After creating the unsigned transaction, Address_A signs it offline using a cold node with parameter SINGLE|ANYONECANPAY&lt;br&gt;- The signing process is ok and the response from the cold-node states&amp;nbsp;&lt;br&gt;&lt;span style=&quot;font-family:courier new,courier,monospace&quot;&gt;&quot;complete&quot;: true&lt;/span&gt;&lt;/p&gt;&lt;p&gt;- Now Address_B receives the transaction and add the requested asset, creates the raw unsigned transaction in the hot node and signs it offline in cold-node&lt;/p&gt;&lt;p&gt;- the signature is fine but the cold node states&lt;br&gt;&lt;span style=&quot;color:#FF0000&quot;&gt;&lt;strong&gt;&lt;span style=&quot;font-family:courier new,courier,monospace&quot;&gt;&quot;complete&quot;: false&lt;/span&gt;&lt;/strong&gt;&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&lt;span style=&quot;font-family:arial,helvetica,sans-serif&quot;&gt;The cold and hot node have the same params.dat file and the cold node is provided with full details of UTXO, that is scriptPubkey and Redeem in order to sign without any connection to the network.&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&lt;span style=&quot;font-family:arial,helvetica,sans-serif&quot;&gt;I'm sure the signature is fine because I can successfully send the signed transaction&amp;nbsp; in the network. Moreover If I sign it in the hot node I get exactly the same signature but the response states&amp;nbsp;&lt;/span&gt;&lt;span style=&quot;font-family:courier new,courier,monospace&quot;&gt;&quot;complete&quot;: true.&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&lt;strong&gt;&lt;span style=&quot;font-family:arial,helvetica,sans-serif&quot;&gt;Could you please explain me?&lt;/span&gt;&lt;/strong&gt;&lt;/p&gt;&lt;p&gt;&lt;span style=&quot;font-family:arial,helvetica,sans-serif&quot;&gt;Thanks,&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&lt;span style=&quot;font-family:arial,helvetica,sans-serif&quot;&gt;&amp;nbsp; Fabio&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&lt;strong&gt;&lt;span style=&quot;font-family:courier new,courier,monospace&quot;&gt;----------------------------------------------------------&lt;br&gt;Details below&lt;/span&gt;&lt;/strong&gt;&lt;/p&gt;&lt;p&gt;&lt;strong&gt;&lt;span style=&quot;font-family:courier new,courier,monospace&quot;&gt;transaction&lt;/span&gt;&lt;/strong&gt;&lt;/p&gt;&lt;p&gt;&lt;span style=&quot;font-family:courier new,courier,monospace&quot;&gt;signrawtransaction 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 &quot;[{\&quot;txid\&quot;:\&quot;c08b2fa6d8a9dc1a908c0c7aad223be3379c82d66096ae00db93c32297bcdd67\&quot;,\&quot;vout\&quot;:1,\&quot;scriptPubKey\&quot;:\&quot;a9142b06e6bad9276986bd4362bc37e0c340e74d16f487\&quot;,\&quot;redeemScript\&quot;:\&quot;512102ac597f3662902130bc452378a76f39036021df9bb0172c350900586763713288210303dac8ea0daa1711bfeeb377abeb099b1f67e16926f706c1bde471d679165df42102b0e74cfeb618f6099bc4c740fda5db01ea9f2f9ad8a3458a4d3946dc5e582e8153ae\&quot;}]&quot;&amp;nbsp; &quot;[\&quot;L2joQKfmqvkKYjn3ungez5DKWyueqknaPEMYr7HwGg5GoyhKq2g9\&quot;]&quot; &quot;ALL&quot;&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&amp;nbsp;&lt;/p&gt;&lt;p&gt;&lt;span style=&quot;font-family:courier new,courier,monospace&quot;&gt;Result from cold-node&lt;/span&gt;&lt;br&gt;&lt;span style=&quot;font-family:courier new,courier,monospace&quot;&gt;{&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&lt;span style=&quot;font-family:courier new,courier,monospace&quot;&gt;&amp;nbsp; &amp;nbsp; &quot;hex&quot; : &quot;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&quot;,&lt;br&gt;&amp;nbsp; &amp;nbsp;&lt;span style=&quot;color:#FF0000&quot;&gt;&lt;strong&gt; &quot;complete&quot; : false&lt;/strong&gt;&lt;/span&gt;&lt;/span&gt;&lt;br&gt;}&lt;/p&gt;&lt;p&gt;&amp;nbsp;&lt;/p&gt;&lt;p&gt;&lt;span style=&quot;font-family:courier new,courier,monospace&quot;&gt;Result from hot node&lt;/span&gt;&lt;br&gt;&lt;span style=&quot;font-family:courier new,courier,monospace&quot;&gt;{&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&lt;span style=&quot;font-family:courier new,courier,monospace&quot;&gt;&amp;nbsp; &amp;nbsp; &quot;hex&quot; : &quot;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&quot;,&lt;br&gt;&lt;span style=&quot;color:#FF0000&quot;&gt;&lt;strong&gt;&amp;nbsp; &amp;nbsp; &quot;complete&quot; : true&lt;/strong&gt;&lt;/span&gt;&lt;br&gt;}&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&amp;nbsp;&lt;/p&gt;&lt;p&gt;&amp;nbsp;&lt;/p&gt;&lt;p&gt;&amp;nbsp;&lt;/p&gt;</description>
<guid isPermaLink="true">https://www.multichain.com/qa/22750/signing-using-cold-node-reports-wrong-complete-attribute</guid>
<pubDate>Fri, 28 Aug 2020 17:51:00 +0000</pubDate>
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<title>Bidirectional asset transaction</title>
<link>https://www.multichain.com/qa/41/bidirectional-asset-transaction</link>
<description>The examples that I have read on this are about a single asset getting transferred from one peer to another. But in most asset transactions it's a bidirectional transaction - cash on one-leg and the asset on the other leg. How does one accomplish this on the block-chain? &amp;nbsp;I was trying to relate this to how a bitcoin exchange works (BTC to USD and vice versa) - which I presume is a solved problem. Is there any white-paper explaining how this works? Does Multchain support this today?</description>
<guid isPermaLink="true">https://www.multichain.com/qa/41/bidirectional-asset-transaction</guid>
<pubDate>Tue, 18 Aug 2015 13:25:28 +0000</pubDate>
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