128 lines
7.8 KiB
HTML
128 lines
7.8 KiB
HTML
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<title>LCOV - lcov.info - v2/libraries/UniswapV2OracleLibrary.sol</title>
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<link rel="stylesheet" type="text/css" href="../../gcov.css">
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<table width="100%" border=0 cellspacing=0 cellpadding=0>
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<tr><td class="title">LCOV - code coverage report</td></tr>
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<tr><td class="ruler"><img src="../../glass.png" width=3 height=3 alt=""></td></tr>
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<tr>
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<td width="100%">
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<table cellpadding=1 border=0 width="100%">
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<td width="10%" class="headerItem">Current view:</td>
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<td width="35%" class="headerValue"><a href="../../index.html">top level</a> - <a href="index.html">v2/libraries</a> - UniswapV2OracleLibrary.sol<span style="font-size: 80%;"> (source / <a href="UniswapV2OracleLibrary.sol.func-sort-c.html">functions</a>)</span></td>
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<td width="5%"></td>
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<td width="15%"></td>
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<td width="10%" class="headerCovTableHead">Hit</td>
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<td width="10%" class="headerCovTableHead">Total</td>
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<td width="15%" class="headerCovTableHead">Coverage</td>
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<td class="headerItem">Test:</td>
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<td class="headerValue">lcov.info</td>
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<td></td>
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<td class="headerItem">Lines:</td>
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<td class="headerCovTableEntry">9</td>
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<td class="headerCovTableEntry">9</td>
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<td class="headerCovTableEntryHi">100.0 %</td>
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</tr>
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<tr>
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<td class="headerItem">Date:</td>
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<td class="headerValue">2023-06-20 21:04:08</td>
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<td></td>
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<td class="headerItem">Functions:</td>
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<td class="headerCovTableEntry">2</td>
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<td class="headerCovTableEntry">2</td>
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<td class="headerCovTableEntryHi">100.0 %</td>
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<tr>
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<td class="headerItem">Legend:</td>
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<td class="headerValueLeg"> Lines:
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<span class="coverLegendCov">hit</span>
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<span class="coverLegendNoCov">not hit</span>
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</td>
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<td></td>
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</tr>
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<tr><td><img src="../../glass.png" width=3 height=3 alt=""></td></tr>
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</tr>
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</table>
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<table cellpadding=0 cellspacing=0 border=0>
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<tr>
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<td><br></td>
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</tr>
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<pre class="sourceHeading"> Line data Source code</pre>
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<pre class="source">
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<a name="1"><span class="lineNum"> 1 </span> : // SPDX-License-Identifier: MIT</a>
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<a name="2"><span class="lineNum"> 2 </span> : </a>
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<a name="3"><span class="lineNum"> 3 </span> : pragma solidity ^0.6.12;</a>
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<a name="4"><span class="lineNum"> 4 </span> : pragma experimental ABIEncoderV2;</a>
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<a name="5"><span class="lineNum"> 5 </span> : </a>
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<a name="6"><span class="lineNum"> 6 </span> : // Local imports</a>
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<a name="7"><span class="lineNum"> 7 </span> : </a>
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<a name="8"><span class="lineNum"> 8 </span> : import { IUniswapV2Pair } from "../interfaces/IUniswapV2Pair.sol";</a>
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<a name="9"><span class="lineNum"> 9 </span> : </a>
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<a name="10"><span class="lineNum"> 10 </span> : import { FixedPoint } from "./FixedPoint.sol";</a>
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<a name="11"><span class="lineNum"> 11 </span> : </a>
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<a name="12"><span class="lineNum"> 12 </span> : library UniswapV2OracleLibrary {</a>
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<a name="13"><span class="lineNum"> 13 </span> : using FixedPoint for *;</a>
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<a name="14"><span class="lineNum"> 14 </span> : </a>
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<a name="15"><span class="lineNum"> 15 </span> : // helper function that returns the current block timestamp within the range of uint32, i.e. [0, 2**32 -</a>
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<a name="16"><span class="lineNum"> 16 </span> : // 1]</a>
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<a name="17"><span class="lineNum"> 17 </span> : function currentBlockTimestamp() internal view returns (uint32) {</a>
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<a name="18"><span class="lineNum"> 18 </span><span class="lineCov"> 85 : return uint32(block.timestamp % 2 ** 32);</span></a>
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<a name="19"><span class="lineNum"> 19 </span> : }</a>
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<a name="20"><span class="lineNum"> 20 </span> : </a>
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<a name="21"><span class="lineNum"> 21 </span> : // produces the cumulative price using counterfactuals to save gas and avoid a call to sync.</a>
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<a name="22"><span class="lineNum"> 22 </span> : function currentCumulativePrices(address pair)</a>
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<a name="23"><span class="lineNum"> 23 </span> : internal</a>
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<a name="24"><span class="lineNum"> 24 </span> : view</a>
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<a name="25"><span class="lineNum"> 25 </span> : returns (uint256 price0Cumulative, uint256 price1Cumulative, uint32 blockTimestamp)</a>
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<a name="26"><span class="lineNum"> 26 </span> : {</a>
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<a name="27"><span class="lineNum"> 27 </span><span class="lineCov"> 8 : blockTimestamp = currentBlockTimestamp();</span></a>
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<a name="28"><span class="lineNum"> 28 </span><span class="lineCov"> 8 : price0Cumulative = IUniswapV2Pair(pair).price0CumulativeLast();</span></a>
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<a name="29"><span class="lineNum"> 29 </span><span class="lineCov"> 8 : price1Cumulative = IUniswapV2Pair(pair).price1CumulativeLast();</span></a>
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<a name="30"><span class="lineNum"> 30 </span> : </a>
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<a name="31"><span class="lineNum"> 31 </span> : // if time has elapsed since the last update on the pair, mock the accumulated price values</a>
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<a name="32"><span class="lineNum"> 32 </span><span class="lineCov"> 8 : (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast) = IUniswapV2Pair(pair).getReserves();</span></a>
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<a name="33"><span class="lineNum"> 33 </span><span class="lineCov"> 8 : if (blockTimestampLast != blockTimestamp) {</span></a>
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<a name="34"><span class="lineNum"> 34 </span> : // subtraction overflow is desired</a>
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<a name="35"><span class="lineNum"> 35 </span><span class="lineCov"> 5 : uint32 timeElapsed = blockTimestamp - blockTimestampLast;</span></a>
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<a name="36"><span class="lineNum"> 36 </span> : // addition overflow is desired</a>
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<a name="37"><span class="lineNum"> 37 </span> : // counterfactual</a>
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<a name="38"><span class="lineNum"> 38 </span><span class="lineCov"> 5 : price0Cumulative += uint256(FixedPoint.fraction(reserve1, reserve0)._x) * timeElapsed;</span></a>
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<a name="39"><span class="lineNum"> 39 </span> : // counterfactual</a>
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<a name="40"><span class="lineNum"> 40 </span><span class="lineCov"> 5 : price1Cumulative += uint256(FixedPoint.fraction(reserve0, reserve1)._x) * timeElapsed;</span></a>
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<a name="41"><span class="lineNum"> 41 </span> : }</a>
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<a name="42"><span class="lineNum"> 42 </span> : }</a>
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<a name="43"><span class="lineNum"> 43 </span> : }</a>
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</pre>
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</td>
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</tr>
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</table>
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<br>
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<table width="100%" border=0 cellspacing=0 cellpadding=0>
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<tr><td class="ruler"><img src="../../glass.png" width=3 height=3 alt=""></td></tr>
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<tr><td class="versionInfo">Generated by: <a href="https://github.com/linux-test-project/lcov" target="_parent">LCOV version 1.16</a></td></tr>
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