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<div class="section" id="module-teos.builder">
<span id="teos-builder"></span><h1>teos.builder<a class="headerlink" href="#module-teos.builder" title="Permalink to this headline">¶</a></h1>
<dl class="py class">
<dt id="teos.builder.Builder">
<em class="property">class </em><code class="sig-name descname">Builder</code><a class="reference internal" href="_modules/teos/builder.html#Builder"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#teos.builder.Builder" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal notranslate"><span class="pre">object</span></code></p>
<p>The <a class="reference internal" href="#teos.builder.Builder" title="teos.builder.Builder"><code class="xref py py-class docutils literal notranslate"><span class="pre">Builder</span></code></a> class is in charge of reconstructing data loaded from the appointments database and build the
data structures of the <a class="reference internal" href="teos.watcher.html#teos.watcher.Watcher" title="teos.watcher.Watcher"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Watcher</span></code></a> and the <a class="reference internal" href="teos.responder.html#teos.responder.Responder" title="teos.responder.Responder"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Responder</span></code></a>.</p>
<dl class="py method">
<dt id="teos.builder.Builder.build_appointments">
<em class="property">static </em><code class="sig-name descname">build_appointments</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">appointments_data</span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/teos/builder.html#Builder.build_appointments"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#teos.builder.Builder.build_appointments" title="Permalink to this definition">¶</a></dt>
<dd><p>Builds an appointments dictionary (<code class="docutils literal notranslate"><span class="pre">uuid:extended_appointment</span></code>) and a locator_uuid_map (<code class="docutils literal notranslate"><span class="pre">locator:uuid</span></code>)
given a dictionary of appointments from the database.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><p><strong>appointments_data</strong> (<code class="xref py py-obj docutils literal notranslate"><span class="pre">dict</span></code>) – <p>a dictionary of dictionaries representing all the
<a class="reference internal" href="teos.watcher.html#teos.watcher.Watcher" title="teos.watcher.Watcher"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Watcher</span></code></a> appointments stored in the database. The structure is as follows:</p>
<blockquote>
<div><p><code class="docutils literal notranslate"><span class="pre">{uuid:</span> <span class="pre">{locator:</span> <span class="pre">str,</span> <span class="pre">...},</span> <span class="pre">uuid:</span> <span class="pre">{locator:...}}</span></code></p>
</div></blockquote>
</p>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>A tuple with two dictionaries. <code class="docutils literal notranslate"><span class="pre">appointments</span></code> containing the appointment information in
<a class="reference internal" href="teos.extended_appointment.html#teos.extended_appointment.ExtendedAppointment" title="teos.extended_appointment.ExtendedAppointment"><code class="xref py py-obj docutils literal notranslate"><span class="pre">ExtendedAppointment</span></code></a> objects and <code class="docutils literal notranslate"><span class="pre">locator_uuid_map</span></code>
containing a map of appointment (<code class="docutils literal notranslate"><span class="pre">uuid:locator</span></code>).</p>
</dd>
<dt class="field-odd">Return type</dt>
<dd class="field-odd"><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">tuple</span></code></p>
</dd>
</dl>
</dd></dl>
<dl class="py method">
<dt id="teos.builder.Builder.build_trackers">
<em class="property">static </em><code class="sig-name descname">build_trackers</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">tracker_data</span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/teos/builder.html#Builder.build_trackers"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#teos.builder.Builder.build_trackers" title="Permalink to this definition">¶</a></dt>
<dd><p>Builds a tracker dictionary (<code class="docutils literal notranslate"><span class="pre">uuid:TransactionTracker</span></code>) and a tx_tracker_map (<code class="docutils literal notranslate"><span class="pre">penalty_txid:uuid</span></code>) given
a dictionary of trackers from the database.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><p><strong>tracker_data</strong> (<code class="xref py py-obj docutils literal notranslate"><span class="pre">dict</span></code>) – <p>a dictionary of dictionaries representing all the
<a class="reference internal" href="teos.responder.html#teos.responder.Responder" title="teos.responder.Responder"><code class="xref py py-mod docutils literal notranslate"><span class="pre">Responder</span></code></a> trackers stored in the database.
The structure is as follows:</p>
<blockquote>
<div><p><code class="docutils literal notranslate"><span class="pre">{uuid:</span> <span class="pre">{locator:</span> <span class="pre">str,</span> <span class="pre">dispute_txid:</span> <span class="pre">str,</span> <span class="pre">...},</span> <span class="pre">uuid:</span> <span class="pre">{locator:...}}</span></code></p>
</div></blockquote>
</p>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>A tuple with two dictionaries. <code class="docutils literal notranslate"><span class="pre">trackers</span></code> containing the trackers’ information in
<a class="reference internal" href="teos.responder.html#teos.responder.TransactionTracker" title="teos.responder.TransactionTracker"><code class="xref py py-obj docutils literal notranslate"><span class="pre">TransactionTracker</span></code></a> objects and a <code class="docutils literal notranslate"><span class="pre">tx_tracker_map</span></code> containing
the map of trackers (<code class="docutils literal notranslate"><span class="pre">penalty_txid:</span> <span class="pre">uuid</span></code>).</p>
</dd>
<dt class="field-odd">Return type</dt>
<dd class="field-odd"><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">tuple</span></code></p>
</dd>
</dl>
</dd></dl>
<dl class="py method">
<dt id="teos.builder.Builder.populate_block_queue">
<em class="property">static </em><code class="sig-name descname">populate_block_queue</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">block_queue</span></em>, <em class="sig-param"><span class="n">missed_blocks</span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/teos/builder.html#Builder.populate_block_queue"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#teos.builder.Builder.populate_block_queue" title="Permalink to this definition">¶</a></dt>
<dd><p>Populates a <code class="docutils literal notranslate"><span class="pre">Queue</span></code> of block hashes to initialize the <a class="reference internal" href="teos.watcher.html#teos.watcher.Watcher" title="teos.watcher.Watcher"><code class="xref py py-mod docutils literal notranslate"><span class="pre">Watcher</span></code></a> or the
<a class="reference internal" href="teos.responder.html#teos.responder.Responder" title="teos.responder.Responder"><code class="xref py py-mod docutils literal notranslate"><span class="pre">Responder</span></code></a> using backed up data.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>block_queue</strong> (<code class="xref py py-obj docutils literal notranslate"><span class="pre">Queue</span></code>) – a queue.</p></li>
<li><p><strong>missed_blocks</strong> (<code class="xref py py-obj docutils literal notranslate"><span class="pre">list</span></code>) – list of block hashes missed by the Watchtower (due to a crash or shutdown).</p></li>
</ul>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>A queue containing all the missed blocks hashes.</p>
</dd>
<dt class="field-odd">Return type</dt>
<dd class="field-odd"><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">Queue</span></code></p>
</dd>
</dl>
</dd></dl>
<dl class="py method">
<dt id="teos.builder.Builder.update_states">
<em class="property">static </em><code class="sig-name descname">update_states</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">watcher</span></em>, <em class="sig-param"><span class="n">missed_blocks_watcher</span></em>, <em class="sig-param"><span class="n">missed_blocks_responder</span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/teos/builder.html#Builder.update_states"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#teos.builder.Builder.update_states" title="Permalink to this definition">¶</a></dt>
<dd><p>Updates the states of both the <a class="reference internal" href="teos.watcher.html#teos.watcher.Watcher" title="teos.watcher.Watcher"><code class="xref py py-mod docutils literal notranslate"><span class="pre">Watcher</span></code></a> and the
<a class="reference internal" href="teos.responder.html#teos.responder.Responder" title="teos.responder.Responder"><code class="xref py py-mod docutils literal notranslate"><span class="pre">Responder</span></code></a>. If both have pending blocks to process they need to be updated at
the same time, block by block.</p>
<p>If only one instance has to be updated, <code class="docutils literal notranslate"><span class="pre">populate_block_queue</span></code> should be used.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>watcher</strong> (<a class="reference internal" href="teos.watcher.html#teos.watcher.Watcher" title="teos.watcher.Watcher"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Watcher</span></code></a>) – a <code class="xref py py-obj docutils literal notranslate"><span class="pre">Watcher</span></code> instance (including a <code class="xref py py-obj docutils literal notranslate"><span class="pre">Responder</span></code>).</p></li>
<li><p><strong>missed_blocks_watcher</strong> (<code class="xref py py-obj docutils literal notranslate"><span class="pre">list</span></code>) – the list of block missed by the <code class="xref py py-obj docutils literal notranslate"><span class="pre">Watcher</span></code>.</p></li>
<li><p><strong>missed_blocks_responder</strong> (<code class="xref py py-obj docutils literal notranslate"><span class="pre">list</span></code>) – the list of block missed by the <code class="xref py py-obj docutils literal notranslate"><span class="pre">Responder</span></code>.</p></li>
</ul>
</dd>
<dt class="field-even">Raises</dt>
<dd class="field-even"><p><strong>ValueError</strong> – if one of the provided list is empty.</p>
</dd>
</dl>
</dd></dl>
</dd></dl>
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