blob: 3861cc14e6dc677481cf91a1a325d67c349d230e [file] [log] [blame]
<!-- HTML header for doxygen 1.9.8-->
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=11"/>
<meta name="generator" content="Doxygen 1.9.8"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>ResilientDB SDK: resdb_driver.offchain Namespace Reference</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="resize.js"></script>
<script type="text/javascript" src="navtreedata.js"></script>
<script type="text/javascript" src="navtree.js"></script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/searchdata.js"></script>
<script type="text/javascript" src="search/search.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
<link href="doxygen_html_style.css" rel="stylesheet" type="text/css"/>
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr id="projectrow">
<td id="projectlogo"><img alt="Logo" src="logo.png"/></td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.9.8 -->
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
var searchBox = new SearchBox("searchBox", "search/",'.html');
/* @license-end */
</script>
<script type="text/javascript" src="menudata.js"></script>
<script type="text/javascript" src="menu.js"></script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
$(function() {
initMenu('',true,false,'search.php','Search');
$(document).ready(function() { init_search(); });
});
/* @license-end */
</script>
<div id="main-nav"></div>
</div><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
<div id="nav-tree">
<div id="nav-tree-contents">
<div id="nav-sync" class="sync"></div>
</div>
</div>
<div id="splitbar" style="-moz-user-select:none;"
class="ui-resizable-handle">
</div>
</div>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
$(document).ready(function(){initNavTree('namespaceresdb__driver_1_1offchain.html',''); initResizable(); });
/* @license-end */
</script>
<div id="doc-content">
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
</div>
<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<div id="MSearchResults">
<div class="SRPage">
<div id="SRIndex">
<div id="SRResults"></div>
<div class="SRStatus" id="Loading">Loading...</div>
<div class="SRStatus" id="Searching">Searching...</div>
<div class="SRStatus" id="NoMatches">No Matches</div>
</div>
</div>
</div>
</div>
<div class="header">
<div class="summary">
<a href="#func-members">Functions</a> &#124;
<a href="#var-members">Variables</a> </div>
<div class="headertitle"><div class="title">resdb_driver.offchain Namespace Reference</div></div>
</div><!--header-->
<div class="contents">
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ae946599a00df50b86e9f3f3367ecbefd" id="r_ae946599a00df50b86e9f3f3367ecbefd"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespaceresdb__driver_1_1offchain.html#ae946599a00df50b86e9f3f3367ecbefd">_prepare_create_transaction_dispatcher</a> (operation, **kwargs)</td></tr>
<tr class="separator:ae946599a00df50b86e9f3f3367ecbefd"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a4acfc24f20a52dd24243ef25c74cc478" id="r_a4acfc24f20a52dd24243ef25c74cc478"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespaceresdb__driver_1_1offchain.html#a4acfc24f20a52dd24243ef25c74cc478">_prepare_transaction</a> (operation, signers=None, recipients=None, asset=None, metadata=None, inputs=None)</td></tr>
<tr class="separator:a4acfc24f20a52dd24243ef25c74cc478"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:abf02fabcc7d067310080675e92786f2c" id="r_abf02fabcc7d067310080675e92786f2c"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespaceresdb__driver_1_1offchain.html#abf02fabcc7d067310080675e92786f2c">_prepare_transfer_transaction_dispatcher</a> (operation, **kwargs)</td></tr>
<tr class="separator:abf02fabcc7d067310080675e92786f2c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a5d2ab47f56db80f174d6c9384e84a4e0" id="r_a5d2ab47f56db80f174d6c9384e84a4e0"><td class="memItemLeft" align="right" valign="top">dict&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespaceresdb__driver_1_1offchain.html#a5d2ab47f56db80f174d6c9384e84a4e0">fulfill_transaction</a> (transaction, *private_keys)</td></tr>
<tr class="memdesc:a5d2ab47f56db80f174d6c9384e84a4e0"><td class="mdescLeft">&#160;</td><td class="mdescRight">Fulfills the given transaction. <br /></td></tr>
<tr class="separator:a5d2ab47f56db80f174d6c9384e84a4e0"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6124408413523ffeb74728a96730c00e" id="r_a6124408413523ffeb74728a96730c00e"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespaceresdb__driver_1_1offchain.html#a6124408413523ffeb74728a96730c00e">prepare_create_transaction</a> (*signers, recipients=None, asset=None, metadata=None)</td></tr>
<tr class="memdesc:a6124408413523ffeb74728a96730c00e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Prepares a <code>"CREATE"</code> transaction payload, ready to be fulfilled. <br /></td></tr>
<tr class="separator:a6124408413523ffeb74728a96730c00e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a2b2beb547176338573a9b0daf90b7d86" id="r_a2b2beb547176338573a9b0daf90b7d86"><td class="memItemLeft" align="right" valign="top">dict&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespaceresdb__driver_1_1offchain.html#a2b2beb547176338573a9b0daf90b7d86">prepare_transaction</a> (*operation=&quot;CREATE&quot;, signers=None, recipients=None, asset=None, metadata=None, inputs=None)</td></tr>
<tr class="memdesc:a2b2beb547176338573a9b0daf90b7d86"><td class="mdescLeft">&#160;</td><td class="mdescRight">Prepares a transaction payload, ready to be fulfilled. <br /></td></tr>
<tr class="separator:a2b2beb547176338573a9b0daf90b7d86"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a5a563b4eb30fade27d223f6ea868a043" id="r_a5a563b4eb30fade27d223f6ea868a043"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespaceresdb__driver_1_1offchain.html#a5a563b4eb30fade27d223f6ea868a043">prepare_transfer_transaction</a> (*inputs, recipients, asset, metadata=None)</td></tr>
<tr class="memdesc:a5a563b4eb30fade27d223f6ea868a043"><td class="mdescLeft">&#160;</td><td class="mdescRight">Prepares a <code>"TRANSFER"</code> transaction payload, ready to be fulfilled. <br /></td></tr>
<tr class="separator:a5a563b4eb30fade27d223f6ea868a043"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="var-members" name="var-members"></a>
Variables</h2></td></tr>
<tr class="memitem:a0b14e488ae28d98d262453f3e9cd6e4d" id="r_a0b14e488ae28d98d262453f3e9cd6e4d"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespaceresdb__driver_1_1offchain.html#a0b14e488ae28d98d262453f3e9cd6e4d">logger</a> = logging.getLogger(__name__)</td></tr>
<tr class="separator:a0b14e488ae28d98d262453f3e9cd6e4d"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><pre class="fragment">Module for offchain operations. Connection to resdb nodes not required!
</pre> </div><h2 class="groupheader">Function Documentation</h2>
<a id="ae946599a00df50b86e9f3f3367ecbefd" name="ae946599a00df50b86e9f3f3367ecbefd"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ae946599a00df50b86e9f3f3367ecbefd">&#9670;&#160;</a></span>_prepare_create_transaction_dispatcher()</h2>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">_prepare_create_transaction_dispatcher </td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname"><em>operation</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">**&#160;</td>
<td class="paramname"><em>kwargs</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">protected</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a id="a4acfc24f20a52dd24243ef25c74cc478" name="a4acfc24f20a52dd24243ef25c74cc478"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a4acfc24f20a52dd24243ef25c74cc478">&#9670;&#160;</a></span>_prepare_transaction()</h2>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">_prepare_transaction </td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname"><em>operation</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname"><em>signers</em> = <code>None</code>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname"><em>recipients</em> = <code>None</code>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname"><em>asset</em> = <code>None</code>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname"><em>metadata</em> = <code>None</code>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname"><em>inputs</em> = <code>None</code>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">protected</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a id="abf02fabcc7d067310080675e92786f2c" name="abf02fabcc7d067310080675e92786f2c"></a>
<h2 class="memtitle"><span class="permalink"><a href="#abf02fabcc7d067310080675e92786f2c">&#9670;&#160;</a></span>_prepare_transfer_transaction_dispatcher()</h2>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">_prepare_transfer_transaction_dispatcher </td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname"><em>operation</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">**&#160;</td>
<td class="paramname"><em>kwargs</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">protected</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a id="a5d2ab47f56db80f174d6c9384e84a4e0" name="a5d2ab47f56db80f174d6c9384e84a4e0"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a5d2ab47f56db80f174d6c9384e84a4e0">&#9670;&#160;</a></span>fulfill_transaction()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"> dict fulfill_transaction </td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname"><em>transaction</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">*&#160;</td>
<td class="paramname"><em>private_keys</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Fulfills the given transaction. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">transaction</td><td>The transaction to be fulfilled. </td></tr>
<tr><td class="paramname">private_keys</td><td>One or more private keys to be used for fulfilling the transaction.</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The fulfilled transaction payload, ready to be sent to a ResDB federation.</dd></dl>
<dl class="exception"><dt>Exceptions</dt><dd>
<table class="exception">
<tr><td class="paramname">:exc:`~.exceptions.MissingPrivateKeyError`</td><td>If a private key is missing. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a id="a6124408413523ffeb74728a96730c00e" name="a6124408413523ffeb74728a96730c00e"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a6124408413523ffeb74728a96730c00e">&#9670;&#160;</a></span>prepare_create_transaction()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">prepare_create_transaction </td>
<td>(</td>
<td class="paramtype">*&#160;</td>
<td class="paramname"><em>signers</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname"><em>recipients</em> = <code>None</code>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname"><em>asset</em> = <code>None</code>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname"><em>metadata</em> = <code>None</code>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Prepares a <code>"CREATE"</code> transaction payload, ready to be fulfilled. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">signers</td><td>(:obj:<code>list</code> | :obj:<code>tuple</code> | :obj:<code>str</code>): One or more public keys representing the issuer(s) of the asset being created. </td></tr>
<tr><td class="paramname">recipients</td><td>(:obj:<code>list</code> | :obj:<code>tuple</code> | :obj:<code>str</code>, optional): One or more public keys representing the new recipients(s) of the asset being created. Defaults to <code>None</code>. </td></tr>
<tr><td class="paramname">asset</td><td>(:obj:<code>dict</code>, optional): The asset to be created. Defaults to <code>None</code>. </td></tr>
<tr><td class="paramname">metadata</td><td>(:obj:<code>dict</code>, optional): Metadata associated with the transaction. Defaults to <code>None</code>.</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The prepared <code>"CREATE"</code> transaction.</dd></dl>
<p>.. important:: </p><pre class="fragment">* If ``asset`` is set, it MUST be in the form of::
{
'data': {
...
}
}
* If ``recipients`` is not given, or evaluates to
``False``, it will be set equal to ``signers``::
if not recipients:
recipients = signers
</pre>
</div>
</div>
<a id="a2b2beb547176338573a9b0daf90b7d86" name="a2b2beb547176338573a9b0daf90b7d86"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a2b2beb547176338573a9b0daf90b7d86">&#9670;&#160;</a></span>prepare_transaction()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"> dict prepare_transaction </td>
<td>(</td>
<td class="paramtype">*&#160;</td>
<td class="paramname"><em>operation</em> = <code>&quot;CREATE&quot;</code>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname"><em>signers</em> = <code>None</code>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname"><em>recipients</em> = <code>None</code>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname"><em>asset</em> = <code>None</code>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname"><em>metadata</em> = <code>None</code>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname"><em>inputs</em> = <code>None</code>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Prepares a transaction payload, ready to be fulfilled. </p>
<p>Depending on the value of <code>operation</code>, simply dispatches to either :func:<code>~.prepare_create_transaction</code> or :func:<code>~.prepare_transfer_transaction</code>.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">operation</td><td>(str): The operation to perform. Must be <code>'CREATE'</code> or <code>'TRANSFER'</code>. Case insensitive. Defaults to <code>'CREATE'</code>. </td></tr>
<tr><td class="paramname">signers</td><td>(:obj:<code>list</code> | :obj:<code>tuple</code> | :obj:<code>str</code>, optional): One or more public keys representing the issuer(s) of the asset being created. Only applies for <code>'CREATE'</code> operations. Defaults to <code>None</code>. </td></tr>
<tr><td class="paramname">recipients</td><td>(:obj:<code>list</code> | :obj:<code>tuple</code> | :obj:<code>str</code>, optional): One or more public keys representing the new recipients(s) of the asset being created or transferred. Defaults to <code>None</code>. </td></tr>
<tr><td class="paramname">asset</td><td>(:obj:<code>dict</code>, optional): The asset to be created orctransferred. MUST be supplied for <code>'TRANSFER'</code> operations. Defaults to <code>None</code>. </td></tr>
<tr><td class="paramname">metadata</td><td>(:obj:<code>dict</code>, optional): Metadata associated with the transaction. Defaults to <code>None</code>. </td></tr>
<tr><td class="paramname">inputs</td><td>(:obj:<code>dict</code> | :obj:<code>list</code> | :obj:<code>tuple</code>, optional): One or more inputs holding the condition(s) that this transaction intends to fulfill. Each input is expected to be a :obj:<code>dict</code>. Only applies to, and MUST be supplied for, <code>'TRANSFER'</code> operations.</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The prepared transaction</dd></dl>
<dl class="exception"><dt>Exceptions</dt><dd>
<table class="exception">
<tr><td class="paramname">:class:`~.exceptions.ResdbException`</td><td>If ``operation`` is not <code>'CREATE'</code> or <code>'TRANSFER'</code>.</td></tr>
</table>
</dd>
</dl>
<p>.. important:: </p><pre class="fragment">**CREATE operations**
* ``signers`` MUST be set.
* ``recipients``, ``asset``, and ``metadata`` MAY be set.
* If ``asset`` is set, it MUST be in the form of::
{
'data': {
...
}
}
* The argument ``inputs`` is ignored.
* If ``recipients`` is not given, or evaluates to
``False``, it will be set equal to ``signers``::
if not recipients:
recipients = signers
**TRANSFER operations**
* ``recipients``, ``asset``, and ``inputs`` MUST be set.
* ``asset`` MUST be in the form of::
{
'id': '&lt;Asset ID (i.e. TX ID of its CREATE transaction)&gt;'
}
* ``metadata`` MAY be set.
* The argument ``signers`` is ignored.
</pre>
</div>
</div>
<a id="a5a563b4eb30fade27d223f6ea868a043" name="a5a563b4eb30fade27d223f6ea868a043"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a5a563b4eb30fade27d223f6ea868a043">&#9670;&#160;</a></span>prepare_transfer_transaction()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">prepare_transfer_transaction </td>
<td>(</td>
<td class="paramtype">*&#160;</td>
<td class="paramname"><em>inputs</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname"><em>recipients</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname"><em>asset</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname"><em>metadata</em> = <code>None</code>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Prepares a <code>"TRANSFER"</code> transaction payload, ready to be fulfilled. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">inputs</td><td>(:obj:<code>dict</code> | :obj:<code>list</code> | :obj:<code>tuple</code>): One or more inputs holding the condition(s) that this transaction intends to fulfill. Each input is expected to be a :obj:<code>dict</code>. </td></tr>
<tr><td class="paramname">recipients</td><td>(:obj:<code>str</code> | :obj:<code>list</code> | :obj:<code>tuple</code>): One or more public keys representing the new recipients(s) of the asset being transferred. </td></tr>
<tr><td class="paramname">asset</td><td>(:obj:<code>dict</code>): A single-key dictionary holding the <code>id</code> of the asset being transferred with this transaction. </td></tr>
<tr><td class="paramname">metadata</td><td>(:obj:<code>dict</code>): Metadata associated with the transaction. Defaults to <code>None</code>.</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The prepared <code>"TRANSFER"</code> transaction.</dd></dl>
<p>.. important:: </p><pre class="fragment">* ``asset`` MUST be in the form of::
{
'id': '&lt;Asset ID (i.e. TX ID of its CREATE transaction)&gt;'
}
</pre><p> Example: </p><pre class="fragment"># .. todo:: Replace this section with docs.
In case it may not be clear what an input should look like, say
Alice (public key: ``'3Cxh1eKZk3Wp9KGBWFS7iVde465UvqUKnEqTg2MW4wNf'``)
wishes to transfer an asset over to Bob
(public key: ``'EcRawy3Y22eAUSS94vLF8BVJi62wbqbD9iSUSUNU9wAA'``).
Let the asset creation transaction payload be denoted by
``tx``::
# noqa E501
&gt;&gt;&gt; tx
{'asset': {'data': {'msg': 'Hello Resdb!'}},
'id': '9650055df2539223586d33d273cb8fd05bd6d485b1fef1caf7c8901a49464c87',
'inputs': [{'fulfillment': {'public_key': '3Cxh1eKZk3Wp9KGBWFS7iVde465UvqUKnEqTg2MW4wNf',
'type': 'ed25519-sha-256'},
'fulfills': None,
'owners_before': ['3Cxh1eKZk3Wp9KGBWFS7iVde465UvqUKnEqTg2MW4wNf']}],
'metadata': None,
'operation': 'CREATE',
'outputs': [{'amount': '1',
'condition': {'details': {'public_key': '3Cxh1eKZk3Wp9KGBWFS7iVde465UvqUKnEqTg2MW4wNf',
'type': 'ed25519-sha-256'},
'uri': 'ni:///sha-256;7ApQLsLLQgj5WOUipJg1txojmge68pctwFxvc3iOl54?fpt=ed25519-sha-256&amp;cost=131072'},
'public_keys': ['3Cxh1eKZk3Wp9KGBWFS7iVde465UvqUKnEqTg2MW4wNf']}],
'version': '2.0'}
Then, the input may be constructed in this way::
output_index
output = tx['transaction']['outputs'][output_index]
input_ = {
'fulfillment': output['condition']['details'],
'input': {
'output_index': output_index,
'transaction_id': tx['id'],
},
'owners_before': output['public_keys'],
}
Displaying the input on the prompt would look like::
&gt;&gt;&gt; input_
{'fulfillment': {
'public_key': '3Cxh1eKZk3Wp9KGBWFS7iVde465UvqUKnEqTg2MW4wNf',
'type': 'ed25519-sha-256'},
'input': {'output_index': 0,
'transaction_id': '9650055df2539223586d33d273cb8fd05bd6d485b1fef1caf7c8901a49464c87'},
'owners_before': ['3Cxh1eKZk3Wp9KGBWFS7iVde465UvqUKnEqTg2MW4wNf']}
To prepare the transfer:
&gt;&gt;&gt; prepare_transfer_transaction(
... inputs=input_,
... recipients='EcRawy3Y22eAUSS94vLF8BVJi62wbqbD9iSUSUNU9wAA',
... asset=tx['transaction']['asset'],
... )
</pre>
</div>
</div>
<h2 class="groupheader">Variable Documentation</h2>
<a id="a0b14e488ae28d98d262453f3e9cd6e4d" name="a0b14e488ae28d98d262453f3e9cd6e4d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a0b14e488ae28d98d262453f3e9cd6e4d">&#9670;&#160;</a></span>logger</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">logger = logging.getLogger(__name__)</td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
</div><!-- contents -->
</div><!-- doc-content -->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
<ul>
<li class="navelem"><a class="el" href="namespaceresdb__driver.html">resdb_driver</a></li><li class="navelem"><a class="el" href="namespaceresdb__driver_1_1offchain.html">offchain</a></li>
<li class="footer">Generated by <a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.9.8 </li>
</ul>
</div>
</body>
</html>