https://rajkoz.com/posts/fluid-vault-smart-contracts-deep-dive/4-vault-protocol/7-borrow-second-time/Recent content in Borrow for the second time onHugo -- 0.152.2en-ushttps://rajkoz.com/posts/fluid-vault-smart-contracts-deep-dive/4-vault-protocol/7-borrow-second-time/1-fetch-non-liquidated-pos/Mon, 01 Jan 0001 00:00:00 +0000https://rajkoz.com/posts/fluid-vault-smart-contracts-deep-dive/4-vault-protocol/7-borrow-second-time/1-fetch-non-liquidated-pos/<p>We are fetching a user position which is not liquidated. Here is the code to look at:</p> <figure> <img loading="lazy" src="https://rajkoz.com/fluid-vault/vault/fetch-non-liquidated-position.png" alt="Vault protocol" width="100%"/> </figure> <hr> <h2 id="1-fetch-tick-debt">1. Fetch tick debt</h2> <p>First, we load total raw debt for the current user&rsquo;s tick:</p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-solidity" data-lang="solidity"><span style="display:flex;"><span><span style="color:#75715e">// User didn&#39;t got liquidated </span></span></span><span style="display:flex;"><span><span style="color:#75715e">// Removing user&#39;s debt from tick data </span></span></span><span style="display:flex;"><span><span style="color:#75715e">// temp2_ =&gt; debt in tick </span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>temp2_ <span style="color:#f92672">=</span> (temp_ <span style="color:#f92672">&gt;&gt;</span> <span style="color:#ae81ff">25</span>) <span style="color:#f92672">&amp;</span> X64; </span></span></code></pre></div><p>Note that <code>temp_</code> is loaded tick data:</p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-solidity" data-lang="solidity"><span style="display:flex;"><span><span style="color:#75715e">/// ... </span></span></span><span style="display:flex;"><span><span style="color:#75715e">/// Next 64 bits =&gt; 25-88 =&gt; raw debt </span></span></span><span style="display:flex;"><span><span style="color:#75715e">/// ... </span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span><span style="color:#66d9ef">mapping</span>(<span style="color:#66d9ef">int256</span> <span style="color:#f92672">=&gt;</span> <span style="color:#66d9ef">uint256</span>) <span style="color:#66d9ef">internal</span> tickData; </span></span></code></pre></div><hr> <h2 id="2-zero-tick-liquidity-sanity-check">2. Zero tick liquidity sanity check</h2> <p>Then there is one sanity check to revert if tick debt is <code>0</code>:</p>