393 lines
37 KiB
HTML
393 lines
37 KiB
HTML
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<title>LCOV - lcov.info - v2/CurveFeeOracle.sol</title>
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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</a> - CurveFeeOracle.sol<span style="font-size: 80%;"> (source / <a href="CurveFeeOracle.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">17</td>
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<td class="headerCovTableEntry">49</td>
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<td class="headerCovTableEntryLo">34.7 %</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">8</td>
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<td class="headerCovTableEntry">10</td>
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<td class="headerCovTableEntryMed">80.0 %</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><td class="ruler"><img src="../glass.png" width=3 height=3 alt=""></td></tr>
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</table>
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<table cellpadding=0 cellspacing=0 border=0>
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<td><br></td>
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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> : // OZ 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 { SafeMath } from "@openzeppelin/contracts/math/SafeMath.sol";</a>
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<a name="9"><span class="lineNum"> 9 </span> : import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";</a>
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<a name="10"><span class="lineNum"> 10 </span> : </a>
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<a name="11"><span class="lineNum"> 11 </span> : // Tornado imports</a>
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<a name="12"><span class="lineNum"> 12 </span> : </a>
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<a name="13"><span class="lineNum"> 13 </span> : import { ITornadoInstance } from "tornado-anonymity-mining/contracts/interfaces/ITornadoInstance.sol";</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> : // Local imports</a>
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<a name="16"><span class="lineNum"> 16 </span> : </a>
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<a name="17"><span class="lineNum"> 17 </span> : import { IFeeOracle, InstanceWithFee } from "./interfaces/IFeeOracle.sol";</a>
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<a name="18"><span class="lineNum"> 18 </span> : </a>
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<a name="19"><span class="lineNum"> 19 </span> : import { UniswapV3OracleHelper } from "./libraries/UniswapV3OracleHelper.sol";</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> : import { UniswapFeeOracle } from "./UniswapFeeOracle.sol";</a>
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<a name="22"><span class="lineNum"> 22 </span> : </a>
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<a name="23"><span class="lineNum"> 23 </span> : import { InstanceState } from "./InstanceRegistry.sol";</a>
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<a name="24"><span class="lineNum"> 24 </span> : </a>
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<a name="25"><span class="lineNum"> 25 </span> : /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ CURVE FINANCE INTERFACE ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */</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> : interface ICurvePriceOracle {</a>
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<a name="28"><span class="lineNum"> 28 </span> : /// @dev For Plain2 and CryptoSwap2</a>
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<a name="29"><span class="lineNum"> 29 </span> : function price_oracle() external view returns (uint256);</a>
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<a name="30"><span class="lineNum"> 30 </span> : /// @dev For Tricrypto pools</a>
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<a name="31"><span class="lineNum"> 31 </span> : function price_oracle(uint256 k) external view returns (uint256);</a>
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<a name="32"><span class="lineNum"> 32 </span> : }</a>
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<a name="33"><span class="lineNum"> 33 </span> : </a>
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<a name="34"><span class="lineNum"> 34 </span> : /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ CURVE FEE ORACLE ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */</a>
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<a name="35"><span class="lineNum"> 35 </span> : </a>
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<a name="36"><span class="lineNum"> 36 </span> : /**</a>
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<a name="37"><span class="lineNum"> 37 </span> : * @title CurveChainedOracles</a>
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<a name="38"><span class="lineNum"> 38 </span> : * @author AlienTornadosaurusHex</a>
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<a name="39"><span class="lineNum"> 39 </span> : * @notice This library is designed to help us simplify the workflow and introduce at least some packing to</a>
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<a name="40"><span class="lineNum"> 40 </span> : * not waste large amounts of gas due to simplifying. Obviously, the best solution would be to just deploy a</a>
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<a name="41"><span class="lineNum"> 41 </span> : * per-coin oracle, but I've wanted to have a general implementation because it makes the Governance process</a>
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<a name="42"><span class="lineNum"> 42 </span> : * easier.</a>
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<a name="43"><span class="lineNum"> 43 </span> : */</a>
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<a name="44"><span class="lineNum"> 44 </span> : library CurveChainedOracles {</a>
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<a name="45"><span class="lineNum"> 45 </span> : bytes4 public constant PRICE_ORACLE_SELECTOR = bytes4(keccak256(("price_oracle()")));</a>
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<a name="46"><span class="lineNum"> 46 </span> : bytes4 public constant PRICE_ORACLE_UINT256_SELECTOR = bytes4(keccak256(("price_oracle(uint256)")));</a>
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<a name="47"><span class="lineNum"> 47 </span> : </a>
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<a name="48"><span class="lineNum"> 48 </span> : /**</a>
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<a name="49"><span class="lineNum"> 49 </span> : * @notice This function prepares data for chain calling Curve oracles.</a>
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<a name="50"><span class="lineNum"> 50 </span> : * @dev The returns is called oracle because it contains sufficient data to execute the entire process,</a>
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<a name="51"><span class="lineNum"> 51 </span> : * meaning it represents an oracle in a sense.</a>
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<a name="52"><span class="lineNum"> 52 </span> : * @param _oracles Curve contracts compatible with either `price_oracle()` or `price_oracle(uint256)`.</a>
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<a name="53"><span class="lineNum"> 53 </span> : * @param _selectors Selectors for contract, each is only either `keccak256()` or</a>
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<a name="54"><span class="lineNum"> 54 </span> : * `keccak256('price_oracle(uint256)')`</a>
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<a name="55"><span class="lineNum"> 55 </span> : * @param _coins Curve pool coin ids which are used for `price_oracle(uint256)`</a>
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<a name="56"><span class="lineNum"> 56 </span> : * @param _invertPrice For each oracle capable pool, whether the token we are searching the price for is</a>
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<a name="57"><span class="lineNum"> 57 </span> : * token0 or not, or in general whether we want to take the inverse of the price.</a>
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<a name="58"><span class="lineNum"> 58 </span> : * @return oracle Packed bytes data which represents full data for a chained call to Curve oracles.</a>
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<a name="59"><span class="lineNum"> 59 </span> : */</a>
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<a name="60"><span class="lineNum"> 60 </span> : function createChainedOracle(</a>
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<a name="61"><span class="lineNum"> 61 </span> : ICurvePriceOracle[] memory _oracles,</a>
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<a name="62"><span class="lineNum"> 62 </span> : bytes4[] memory _selectors,</a>
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<a name="63"><span class="lineNum"> 63 </span> : uint8[] memory _coins,</a>
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<a name="64"><span class="lineNum"> 64 </span> : bool[] memory _invertPrice</a>
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<a name="65"><span class="lineNum"> 65 </span> : ) internal view returns (bytes memory oracle) {</a>
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<a name="66"><span class="lineNum"> 66 </span><span class="lineNoCov"> 0 : uint256 numOracles = _oracles.length;</span></a>
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<a name="67"><span class="lineNum"> 67 </span> : </a>
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<a name="68"><span class="lineNum"> 68 </span><span class="lineNoCov"> 0 : for (uint256 o = 0; o < numOracles; o++) {</span></a>
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<a name="69"><span class="lineNum"> 69 </span> : // The oracle which will be providing the price</a>
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<a name="70"><span class="lineNum"> 70 </span><span class="lineNoCov"> 0 : ICurvePriceOracle _oracle = _oracles[o];</span></a>
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<a name="71"><span class="lineNum"> 71 </span> : </a>
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<a name="72"><span class="lineNum"> 72 </span> : // The selector which determines the call</a>
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<a name="73"><span class="lineNum"> 73 </span><span class="lineNoCov"> 0 : bytes4 _selector = _selectors[o];</span></a>
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<a name="74"><span class="lineNum"> 74 </span> : </a>
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<a name="75"><span class="lineNum"> 75 </span> : // Index of the coin in the curve pool for second UINT256 selector</a>
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<a name="76"><span class="lineNum"> 76 </span><span class="lineNoCov"> 0 : uint8 _coin = _coins[o];</span></a>
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<a name="77"><span class="lineNum"> 77 </span> : </a>
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<a name="78"><span class="lineNum"> 78 </span> : // Check whether the config actually works</a>
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<a name="79"><span class="lineNum"> 79 </span><span class="lineNoCov"> 0 : if (_selector == PRICE_ORACLE_SELECTOR) {</span></a>
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<a name="80"><span class="lineNum"> 80 </span><span class="lineNoCov"> 0 : try _oracle.price_oracle() returns (uint256) { /* Works, do nothing */ }</span></a>
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<a name="81"><span class="lineNum"> 81 </span> : catch {</a>
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<a name="82"><span class="lineNum"> 82 </span> : require(false, "CurveChainedOracles: test call price_oracle() failed");</a>
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<a name="83"><span class="lineNum"> 83 </span> : }</a>
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<a name="84"><span class="lineNum"> 84 </span><span class="lineNoCov"> 0 : } else if (_selector == PRICE_ORACLE_UINT256_SELECTOR) {</span></a>
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<a name="85"><span class="lineNum"> 85 </span><span class="lineNoCov"> 0 : try _oracle.price_oracle(_coin) returns (uint256) { /* Works, do nothing */ }</span></a>
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<a name="86"><span class="lineNum"> 86 </span> : catch {</a>
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<a name="87"><span class="lineNum"> 87 </span> : require(false, "CurveChainedOracles: test call price_oracle(uint256) failed");</a>
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<a name="88"><span class="lineNum"> 88 </span> : }</a>
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<a name="89"><span class="lineNum"> 89 </span> : } else {</a>
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<a name="90"><span class="lineNum"> 90 </span><span class="lineNoCov"> 0 : require(false, "CurveChainedOracles: none or invalid selector");</span></a>
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<a name="91"><span class="lineNum"> 91 </span> : }</a>
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<a name="92"><span class="lineNum"> 92 </span> : </a>
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<a name="93"><span class="lineNum"> 93 </span> : // We prepend the former iteration, to have it in proper left to right order</a>
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<a name="94"><span class="lineNum"> 94 </span><span class="lineNoCov"> 0 : oracle = abi.encodePacked(oracle, _oracle, _selector, _coin, _invertPrice[o]);</span></a>
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<a name="95"><span class="lineNum"> 95 </span> : }</a>
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<a name="96"><span class="lineNum"> 96 </span> : }</a>
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<a name="97"><span class="lineNum"> 97 </span> : </a>
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<a name="98"><span class="lineNum"> 98 </span> : /**</a>
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<a name="99"><span class="lineNum"> 99 </span> : * @notice Function which unpacks `_oracle` data and chains the price calls to return one final price.</a>
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<a name="100"><span class="lineNum"> 100 </span> : * @dev The name `price_oracle` was chosen because it reflects the Curve signature of the same name.</a>
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<a name="101"><span class="lineNum"> 101 </span> : * @param _oracle The packed bytes data.</a>
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<a name="102"><span class="lineNum"> 102 </span> : * @return Price of some token in some other token E18.</a>
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<a name="103"><span class="lineNum"> 103 </span> : */</a>
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<a name="104"><span class="lineNum"> 104 </span> : function price_oracle(bytes memory _oracle) internal view returns (uint256) {</a>
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<a name="105"><span class="lineNum"> 105 </span><span class="lineNoCov"> 0 : uint256 price = 1e18;</span></a>
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<a name="106"><span class="lineNum"> 106 </span><span class="lineNoCov"> 0 : uint256 priceDivisor = 1e18;</span></a>
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<a name="107"><span class="lineNum"> 107 </span><span class="lineNoCov"> 0 : uint256 inverseNumerator = 1e36;</span></a>
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<a name="108"><span class="lineNum"> 108 </span> : </a>
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<a name="109"><span class="lineNum"> 109 </span> : // We know that each oracle addition encodes to exactly 26 bytes</a>
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<a name="110"><span class="lineNum"> 110 </span><span class="lineNoCov"> 0 : uint256 numOracles = _oracle.length / 26;</span></a>
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<a name="111"><span class="lineNum"> 111 </span> : </a>
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<a name="112"><span class="lineNum"> 112 </span><span class="lineNoCov"> 0 : for (uint256 o = 0; o < numOracles; o++) {</span></a>
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<a name="113"><span class="lineNum"> 113 </span><span class="lineNoCov"> 0 : bytes32 chunk;</span></a>
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<a name="114"><span class="lineNum"> 114 </span> : </a>
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<a name="115"><span class="lineNum"> 115 </span> : // Packed bytes can't be decoded, have to do it ourselves</a>
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<a name="116"><span class="lineNum"> 116 </span> : // mload always reads bytes32, always offset by 26 bytes because data is always stored fully</a>
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<a name="117"><span class="lineNum"> 117 </span> : // packed from left to right</a>
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<a name="118"><span class="lineNum"> 118 </span> : assembly {</a>
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<a name="119"><span class="lineNum"> 119 </span><span class="lineNoCov"> 0 : chunk := mload(add(_oracle, add(32, mul(26, o))))</span></a>
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<a name="120"><span class="lineNum"> 120 </span> : }</a>
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<a name="121"><span class="lineNum"> 121 </span> : </a>
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<a name="122"><span class="lineNum"> 122 </span> : // Properly read in all of the packed data</a>
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<a name="123"><span class="lineNum"> 123 </span> : </a>
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<a name="124"><span class="lineNum"> 124 </span> : // Always packed from left to right, first 20 bytes is address</a>
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<a name="125"><span class="lineNum"> 125 </span><span class="lineNoCov"> 0 : ICurvePriceOracle oracle = ICurvePriceOracle(address(bytes20(chunk)));</span></a>
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<a name="126"><span class="lineNum"> 126 </span> : </a>
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<a name="127"><span class="lineNum"> 127 </span> : // Then from 20 to 24 is selector, shift by 20x8=160</a>
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<a name="128"><span class="lineNum"> 128 </span><span class="lineNoCov"> 0 : bytes4 selector = bytes4(chunk << 160);</span></a>
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<a name="129"><span class="lineNum"> 129 </span> : </a>
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<a name="130"><span class="lineNum"> 130 </span> : // From 24 to 25 is coin index, shift by 160+4x8=192</a>
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<a name="131"><span class="lineNum"> 131 </span><span class="lineNoCov"> 0 : uint8 coin = uint8(bytes1(chunk << 192));</span></a>
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<a name="132"><span class="lineNum"> 132 </span> : </a>
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<a name="133"><span class="lineNum"> 133 </span> : // From 25 to 26 is whether to invert price, shift by 192+1x8=200</a>
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<a name="134"><span class="lineNum"> 134 </span><span class="lineNoCov"> 0 : bool invertPrice = bytes1(chunk << 200) == 0x01;</span></a>
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<a name="135"><span class="lineNum"> 135 </span> : </a>
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<a name="136"><span class="lineNum"> 136 </span><span class="lineNoCov"> 0 : uint256 priceFromOracle;</span></a>
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<a name="137"><span class="lineNum"> 137 </span> : </a>
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<a name="138"><span class="lineNum"> 138 </span> : // Execute according to selector</a>
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<a name="139"><span class="lineNum"> 139 </span> : // These are guaranteed to all be 1e18</a>
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<a name="140"><span class="lineNum"> 140 </span><span class="lineNoCov"> 0 : if (selector == PRICE_ORACLE_SELECTOR) {</span></a>
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<a name="141"><span class="lineNum"> 141 </span><span class="lineNoCov"> 0 : priceFromOracle = ICurvePriceOracle(oracle).price_oracle();</span></a>
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<a name="142"><span class="lineNum"> 142 </span><span class="lineNoCov"> 0 : } else if (selector == PRICE_ORACLE_UINT256_SELECTOR) {</span></a>
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<a name="143"><span class="lineNum"> 143 </span><span class="lineNoCov"> 0 : priceFromOracle = ICurvePriceOracle(oracle).price_oracle(coin);</span></a>
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<a name="144"><span class="lineNum"> 144 </span> : }</a>
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<a name="145"><span class="lineNum"> 145 </span> : </a>
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<a name="146"><span class="lineNum"> 146 </span> : // Check whether we need to invert price</a>
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<a name="147"><span class="lineNum"> 147 </span><span class="lineNoCov"> 0 : if (invertPrice) {</span></a>
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<a name="148"><span class="lineNum"> 148 </span><span class="lineNoCov"> 0 : priceFromOracle = inverseNumerator / priceFromOracle;</span></a>
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<a name="149"><span class="lineNum"> 149 </span> : }</a>
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<a name="150"><span class="lineNum"> 150 </span> : </a>
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<a name="151"><span class="lineNum"> 151 </span> : // Calc price</a>
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<a name="152"><span class="lineNum"> 152 </span><span class="lineNoCov"> 0 : price = (price * priceFromOracle) / priceDivisor;</span></a>
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<a name="153"><span class="lineNum"> 153 </span> : }</a>
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<a name="154"><span class="lineNum"> 154 </span> : </a>
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<a name="155"><span class="lineNum"> 155 </span><span class="lineNoCov"> 0 : return price;</span></a>
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<a name="156"><span class="lineNum"> 156 </span> : }</a>
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<a name="157"><span class="lineNum"> 157 </span> : }</a>
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<a name="158"><span class="lineNum"> 158 </span> : </a>
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<a name="159"><span class="lineNum"> 159 </span> : /**</a>
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<a name="160"><span class="lineNum"> 160 </span> : * @title CurveFeeOracle</a>
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<a name="161"><span class="lineNum"> 161 </span> : * @author AlienTornadosaurusHex</a>
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<a name="162"><span class="lineNum"> 162 </span> : * @notice Many Curve contracts now have an EMA/TWAP Oracle which can be used instead of having to rely on</a>
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<a name="163"><span class="lineNum"> 163 </span> : * Chainlink (Offchain) Pricefeeds or Uniswap Twap Oracles. We do not use Metapools because they do not</a>
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<a name="164"><span class="lineNum"> 164 </span> : * have a safe enough TWAP oracle, instead we use the `price_oracle` capable contracts, which use a safer</a>
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<a name="165"><span class="lineNum"> 165 </span> : * analytical solution.</a>
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<a name="166"><span class="lineNum"> 166 </span> : */</a>
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<a name="167"><span class="lineNum"> 167 </span> : contract CurveFeeOracle is IFeeOracle {</a>
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<a name="168"><span class="lineNum"> 168 </span> : using SafeMath for uint256;</a>
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<a name="169"><span class="lineNum"> 169 </span> : using CurveChainedOracles for *;</a>
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<a name="170"><span class="lineNum"> 170 </span> : </a>
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<a name="171"><span class="lineNum"> 171 </span> : /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ VARIABLES ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */</a>
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<a name="172"><span class="lineNum"> 172 </span> : </a>
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<a name="173"><span class="lineNum"> 173 </span> : /**</a>
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<a name="174"><span class="lineNum"> 174 </span> : * @notice The Governance Proxy address</a>
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<a name="175"><span class="lineNum"> 175 </span> : */</a>
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<a name="176"><span class="lineNum"> 176 </span> : address public immutable governanceProxyAddress;</a>
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<a name="177"><span class="lineNum"> 177 </span> : </a>
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<a name="178"><span class="lineNum"> 178 </span> : /**</a>
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<a name="179"><span class="lineNum"> 179 </span> : * @notice For each instance, a set of data which translates to a set of chained price oracle calls, we</a>
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<a name="180"><span class="lineNum"> 180 </span> : * call this data "chainedPriceOracles" because it encodes all data necessary to execute the chain and</a>
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<a name="181"><span class="lineNum"> 181 </span> : * calc the price</a>
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<a name="182"><span class="lineNum"> 182 </span> : */</a>
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<a name="183"><span class="lineNum"> 183 </span> : mapping(ITornadoInstance => bytes) public chainedPriceOracles;</a>
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<a name="184"><span class="lineNum"> 184 </span> : </a>
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<a name="185"><span class="lineNum"> 185 </span> : /**</a>
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<a name="186"><span class="lineNum"> 186 </span> : * @notice When setting, store the names as a historical record, key is keccak256(bytes)</a>
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<a name="187"><span class="lineNum"> 187 </span> : */</a>
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<a name="188"><span class="lineNum"> 188 </span> : mapping(bytes32 => string) public chainedPriceOracleNames;</a>
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<a name="189"><span class="lineNum"> 189 </span> : </a>
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<a name="190"><span class="lineNum"> 190 </span> : /**</a>
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<a name="191"><span class="lineNum"> 191 </span> : * @notice Our Uniswap Fee Oracle, we will need it some time for TORN/ETH</a>
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<a name="192"><span class="lineNum"> 192 </span> : */</a>
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<a name="193"><span class="lineNum"> 193 </span> : UniswapFeeOracle public uniswapFeeOracle;</a>
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<a name="194"><span class="lineNum"> 194 </span> : </a>
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<a name="195"><span class="lineNum"> 195 </span> : /**</a>
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<a name="196"><span class="lineNum"> 196 </span> : * @notice We will not need the Uniswap Oracle forever though, TORN/ETH pools are possible on Curve too</a>
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<a name="197"><span class="lineNum"> 197 </span> : */</a>
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<a name="198"><span class="lineNum"> 198 </span> : bool public tornOracleIsUniswap;</a>
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<a name="199"><span class="lineNum"> 199 </span> : </a>
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<a name="200"><span class="lineNum"> 200 </span> : /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ EVENTS ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */</a>
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<a name="201"><span class="lineNum"> 201 </span> : </a>
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<a name="202"><span class="lineNum"> 202 </span> : event TornOracleIsCurve();</a>
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<a name="203"><span class="lineNum"> 203 </span> : event TornOracleIsUniswapV3();</a>
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<a name="204"><span class="lineNum"> 204 </span> : event UniswapFeeOracleUpdated(address _newUniswapFeeOracleAddress);</a>
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<a name="205"><span class="lineNum"> 205 </span> : event ChainedOracleUpdated(address indexed instance, bytes32 newOracleHash, string newName);</a>
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<a name="206"><span class="lineNum"> 206 </span> : </a>
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<a name="207"><span class="lineNum"> 207 </span> : /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ LOGIC ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */</a>
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<a name="208"><span class="lineNum"> 208 </span> : </a>
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<a name="209"><span class="lineNum"> 209 </span> : constructor(address _governanceProxyAddress) public {</a>
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<a name="210"><span class="lineNum"> 210 </span> : governanceProxyAddress = _governanceProxyAddress;</a>
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<a name="211"><span class="lineNum"> 211 </span> : tornOracleIsUniswap = true;</a>
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<a name="212"><span class="lineNum"> 212 </span> : }</a>
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<a name="213"><span class="lineNum"> 213 </span> : </a>
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<a name="214"><span class="lineNum"> 214 </span> : modifier onlyGovernance() {</a>
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<a name="215"><span class="lineNum"> 215 </span> : require(msg.sender == governanceProxyAddress, "UniswapFeeOracle: onlyGovernance");</a>
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<a name="216"><span class="lineNum"> 216 </span> : _;</a>
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<a name="217"><span class="lineNum"> 217 </span> : }</a>
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<a name="218"><span class="lineNum"> 218 </span> : </a>
|
|
<a name="219"><span class="lineNum"> 219 </span> : /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ GETTERS ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */</a>
|
|
<a name="220"><span class="lineNum"> 220 </span> : </a>
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<a name="221"><span class="lineNum"> 221 </span> : function update(IERC20, InstanceWithFee memory) public virtual override { }</a>
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<a name="222"><span class="lineNum"> 222 </span> : </a>
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<a name="223"><span class="lineNum"> 223 </span> : function getFee(IERC20, InstanceWithFee memory _instance)</a>
|
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<a name="224"><span class="lineNum"> 224 </span> : public</a>
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<a name="225"><span class="lineNum"> 225 </span> : view</a>
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<a name="226"><span class="lineNum"> 226 </span> : virtual</a>
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<a name="227"><span class="lineNum"> 227 </span> : override</a>
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<a name="228"><span class="lineNum"> 228 </span> : returns (uint160)</a>
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<a name="229"><span class="lineNum"> 229 </span> : {</a>
|
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<a name="230"><span class="lineNum"> 230 </span> : // If fee is 0 return</a>
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<a name="231"><span class="lineNum"> 231 </span><span class="lineCov"> 26 : if (_instance.fee.percent == 0) return 0;</span></a>
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<a name="232"><span class="lineNum"> 232 </span> : </a>
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<a name="233"><span class="lineNum"> 233 </span> : // Either ETH PER TOKEN or TORN PER TOKEN</a>
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<a name="234"><span class="lineNum"> 234 </span><span class="lineCov"> 16 : uint256 price = chainedPriceOracles[_instance.logic].price_oracle();</span></a>
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<a name="235"><span class="lineNum"> 235 </span> : </a>
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<a name="236"><span class="lineNum"> 236 </span> : // ETH PER TOKEN * TORN PER ETH = TORN PER TOKEN</a>
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<a name="237"><span class="lineNum"> 237 </span><span class="lineCov"> 16 : if (tornOracleIsUniswap) {</span></a>
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<a name="238"><span class="lineNum"> 238 </span><span class="lineCov"> 15 : price = price</span></a>
|
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<a name="239"><span class="lineNum"> 239 </span> : * uniswapFeeOracle.getTORNPerToken(</a>
|
|
<a name="240"><span class="lineNum"> 240 </span> : IERC20(UniswapV3OracleHelper.WETH), _instance.fee.updateInterval</a>
|
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<a name="241"><span class="lineNum"> 241 </span> : ) / UniswapV3OracleHelper.RATIO_DIVIDER;</a>
|
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<a name="242"><span class="lineNum"> 242 </span> : }</a>
|
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<a name="243"><span class="lineNum"> 243 </span> : </a>
|
|
<a name="244"><span class="lineNum"> 244 </span> : // DENOMINATION IN TOKEN * TORN PER TOKEN * FEE_NUMERATOR / FEE_DIVISOR = FEE IN TORN</a>
|
|
<a name="245"><span class="lineNum"> 245 </span><span class="lineCov"> 16 : return uint160(</span></a>
|
|
<a name="246"><span class="lineNum"> 246 </span> : _instance.logic.denomination().mul(price).div(UniswapV3OracleHelper.RATIO_DIVIDER).mul(</a>
|
|
<a name="247"><span class="lineNum"> 247 </span> : uint256(_instance.fee.percent)</a>
|
|
<a name="248"><span class="lineNum"> 248 </span> : ).div(uint256(_instance.fee.divisor))</a>
|
|
<a name="249"><span class="lineNum"> 249 </span> : );</a>
|
|
<a name="250"><span class="lineNum"> 250 </span> : }</a>
|
|
<a name="251"><span class="lineNum"> 251 </span> : </a>
|
|
<a name="252"><span class="lineNum"> 252 </span> : function getChainedOracleNameForInstance(ITornadoInstance _instance)</a>
|
|
<a name="253"><span class="lineNum"> 253 </span> : public</a>
|
|
<a name="254"><span class="lineNum"> 254 </span> : view</a>
|
|
<a name="255"><span class="lineNum"> 255 </span> : virtual</a>
|
|
<a name="256"><span class="lineNum"> 256 </span> : returns (string memory)</a>
|
|
<a name="257"><span class="lineNum"> 257 </span> : {</a>
|
|
<a name="258"><span class="lineNum"> 258 </span><span class="lineCov"> 1 : return chainedPriceOracleNames[getChainedOracleHashForInstance(_instance)];</span></a>
|
|
<a name="259"><span class="lineNum"> 259 </span> : }</a>
|
|
<a name="260"><span class="lineNum"> 260 </span> : </a>
|
|
<a name="261"><span class="lineNum"> 261 </span> : function getChainedOracleNameForOracleHash(bytes32 _oracleHash)</a>
|
|
<a name="262"><span class="lineNum"> 262 </span> : public</a>
|
|
<a name="263"><span class="lineNum"> 263 </span> : view</a>
|
|
<a name="264"><span class="lineNum"> 264 </span> : virtual</a>
|
|
<a name="265"><span class="lineNum"> 265 </span> : returns (string memory)</a>
|
|
<a name="266"><span class="lineNum"> 266 </span> : {</a>
|
|
<a name="267"><span class="lineNum"> 267 </span><span class="lineCov"> 1 : return chainedPriceOracleNames[_oracleHash];</span></a>
|
|
<a name="268"><span class="lineNum"> 268 </span> : }</a>
|
|
<a name="269"><span class="lineNum"> 269 </span> : </a>
|
|
<a name="270"><span class="lineNum"> 270 </span> : function getChainedOracleHashForInstance(ITornadoInstance _instance)</a>
|
|
<a name="271"><span class="lineNum"> 271 </span> : public</a>
|
|
<a name="272"><span class="lineNum"> 272 </span> : view</a>
|
|
<a name="273"><span class="lineNum"> 273 </span> : virtual</a>
|
|
<a name="274"><span class="lineNum"> 274 </span> : returns (bytes32)</a>
|
|
<a name="275"><span class="lineNum"> 275 </span> : {</a>
|
|
<a name="276"><span class="lineNum"> 276 </span><span class="lineCov"> 2 : return keccak256(chainedPriceOracles[_instance]);</span></a>
|
|
<a name="277"><span class="lineNum"> 277 </span> : }</a>
|
|
<a name="278"><span class="lineNum"> 278 </span> : </a>
|
|
<a name="279"><span class="lineNum"> 279 </span> : /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ SETTERS ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */</a>
|
|
<a name="280"><span class="lineNum"> 280 </span> : </a>
|
|
<a name="281"><span class="lineNum"> 281 </span> : function modifyChainedOracleForInstance(</a>
|
|
<a name="282"><span class="lineNum"> 282 </span> : ITornadoInstance _instance,</a>
|
|
<a name="283"><span class="lineNum"> 283 </span> : ICurvePriceOracle[] memory _oracles,</a>
|
|
<a name="284"><span class="lineNum"> 284 </span> : bytes4[] memory _selectors,</a>
|
|
<a name="285"><span class="lineNum"> 285 </span> : uint8[] memory _coins,</a>
|
|
<a name="286"><span class="lineNum"> 286 </span> : bool[] memory _invertPrice,</a>
|
|
<a name="287"><span class="lineNum"> 287 </span> : string memory _name</a>
|
|
<a name="288"><span class="lineNum"> 288 </span> : ) public virtual onlyGovernance {</a>
|
|
<a name="289"><span class="lineNum"> 289 </span><span class="lineCov"> 12 : bytes memory oracle = _oracles.createChainedOracle(_selectors, _coins, _invertPrice);</span></a>
|
|
<a name="290"><span class="lineNum"> 290 </span><span class="lineCov"> 12 : bytes32 oracleHash = keccak256(oracle);</span></a>
|
|
<a name="291"><span class="lineNum"> 291 </span> : </a>
|
|
<a name="292"><span class="lineNum"> 292 </span><span class="lineCov"> 12 : chainedPriceOracles[_instance] = oracle;</span></a>
|
|
<a name="293"><span class="lineNum"> 293 </span><span class="lineCov"> 12 : chainedPriceOracleNames[oracleHash] = _name;</span></a>
|
|
<a name="294"><span class="lineNum"> 294 </span> : </a>
|
|
<a name="295"><span class="lineNum"> 295 </span><span class="lineCov"> 12 : emit ChainedOracleUpdated(address(_instance), oracleHash, _name);</span></a>
|
|
<a name="296"><span class="lineNum"> 296 </span> : }</a>
|
|
<a name="297"><span class="lineNum"> 297 </span> : </a>
|
|
<a name="298"><span class="lineNum"> 298 </span> : function setUniswapFeeOracle(UniswapFeeOracle _uniswapFeeOracle) public virtual onlyGovernance {</a>
|
|
<a name="299"><span class="lineNum"> 299 </span><span class="lineCov"> 2 : uniswapFeeOracle = _uniswapFeeOracle;</span></a>
|
|
<a name="300"><span class="lineNum"> 300 </span><span class="lineCov"> 2 : emit UniswapFeeOracleUpdated(address(_uniswapFeeOracle));</span></a>
|
|
<a name="301"><span class="lineNum"> 301 </span> : }</a>
|
|
<a name="302"><span class="lineNum"> 302 </span> : </a>
|
|
<a name="303"><span class="lineNum"> 303 </span> : function setTornOracleIsUniswap(bool _is) public virtual onlyGovernance {</a>
|
|
<a name="304"><span class="lineNum"> 304 </span><span class="lineCov"> 1 : tornOracleIsUniswap = _is;</span></a>
|
|
<a name="305"><span class="lineNum"> 305 </span><span class="lineCov"> 1 : if (_is) emit TornOracleIsUniswapV3();</span></a>
|
|
<a name="306"><span class="lineNum"> 306 </span><span class="lineNoCov"> 0 : else emit TornOracleIsCurve();</span></a>
|
|
<a name="307"><span class="lineNum"> 307 </span> : }</a>
|
|
<a name="308"><span class="lineNum"> 308 </span> : }</a>
|
|
</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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</table>
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<br>
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</body>
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</html>
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