2023-06-19 00:08:10 +00:00
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< title > LCOV - lcov.info - v2/libraries/UniswapV3OracleHelper.sol< / title >
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< tr > < td class = "title" > LCOV - code coverage report< / td > < / tr >
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< td width = "10%" class = "headerItem" > Current view:< / td >
< td width = "35%" class = "headerValue" > < a href = "../../index.html" > top level< / a > - < a href = "index.html" > v2/libraries< / a > - UniswapV3OracleHelper.sol< span style = "font-size: 80%;" > (source / < a href = "UniswapV3OracleHelper.sol.func-sort-c.html" > functions< / a > )< / span > < / td >
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< td width = "10%" class = "headerCovTableHead" > Hit< / td >
< td width = "10%" class = "headerCovTableHead" > Total< / td >
< td width = "15%" class = "headerCovTableHead" > Coverage< / td >
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< td class = "headerItem" > Test:< / td >
< td class = "headerValue" > lcov.info< / td >
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< td class = "headerCovTableEntryLo" > 71.4 %< / td >
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< td class = "headerItem" > Date:< / td >
2023-06-20 21:04:29 +00:00
< td class = "headerValue" > 2023-06-20 21:04:08< / td >
2023-06-19 00:08:10 +00:00
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< td class = "headerItem" > Functions:< / td >
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< td class = "headerCovTableEntryLo" > 50.0 %< / td >
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< td class = "headerItem" > Legend:< / td >
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< span class = "coverLegendCov" > hit< / span >
< span class = "coverLegendNoCov" > not hit< / span >
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< pre class = "sourceHeading" > Line data Source code< / pre >
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< a name = "1" > < span class = "lineNum" > 1 < / span > : // SPDX-License-Identifier: MIT< / a >
< a name = "2" > < span class = "lineNum" > 2 < / span > : < / a >
< a name = "3" > < span class = "lineNum" > 3 < / span > : pragma solidity ^0.6.12;< / a >
< a name = "4" > < span class = "lineNum" > 4 < / span > : < / a >
< a name = "5" > < span class = "lineNum" > 5 < / span > : import { OracleLibrary } from " @uniswap/v3-periphery/contracts/libraries/OracleLibrary.sol" ;< / a >
< a name = "6" > < span class = "lineNum" > 6 < / span > : import { IUniswapV3Factory } from " @uniswap/v3-core/contracts/interfaces/IUniswapV3Factory.sol" ;< / a >
< a name = "7" > < span class = "lineNum" > 7 < / span > : import { LowGasSafeMath } from " @uniswap/v3-core/contracts/libraries/LowGasSafeMath.sol" ;< / a >
< a name = "8" > < span class = "lineNum" > 8 < / span > : < / a >
< a name = "9" > < span class = "lineNum" > 9 < / span > : interface IERC20Decimals {< / a >
< a name = "10" > < span class = "lineNum" > 10 < / span > : function decimals() external view returns (uint8);< / a >
< a name = "11" > < span class = "lineNum" > 11 < / span > : }< / a >
< a name = "12" > < span class = "lineNum" > 12 < / span > : < / a >
< a name = "13" > < span class = "lineNum" > 13 < / span > : library UniswapV3OracleHelper {< / a >
< a name = "14" > < span class = "lineNum" > 14 < / span > : using LowGasSafeMath for uint256;< / a >
< a name = "15" > < span class = "lineNum" > 15 < / span > : < / a >
< a name = "16" > < span class = "lineNum" > 16 < / span > : IUniswapV3Factory internal constant UniswapV3Factory =< / a >
< a name = "17" > < span class = "lineNum" > 17 < / span > : IUniswapV3Factory(0x1F98431c8aD98523631AE4a59f267346ea31F984);< / a >
< a name = "18" > < span class = "lineNum" > 18 < / span > : address internal constant WETH = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;< / a >
< a name = "19" > < span class = "lineNum" > 19 < / span > : uint256 internal constant RATIO_DIVIDER = 1e18;< / a >
< a name = "20" > < span class = "lineNum" > 20 < / span > : < / a >
< a name = "21" > < span class = "lineNum" > 21 < / span > : /**< / a >
< a name = "22" > < span class = "lineNum" > 22 < / span > : * @notice This function should return the price of baseToken in quoteToken, as in: quote/base (WETH/TORN)< / a >
< a name = "23" > < span class = "lineNum" > 23 < / span > : * @dev uses the Uniswap written OracleLibrary " getQuoteAtTick" , does not call external libraries,< / a >
< a name = "24" > < span class = "lineNum" > 24 < / span > : * uses decimals() for the correct power of 10< / a >
< a name = "25" > < span class = "lineNum" > 25 < / span > : * @param baseToken token which will be denominated in quote token< / a >
< a name = "26" > < span class = "lineNum" > 26 < / span > : * @param quoteToken token in which price will be denominated< / a >
< a name = "27" > < span class = "lineNum" > 27 < / span > : * @param fee the uniswap pool fee, pools have different fees so this is a pool selector for our usecase< / a >
< a name = "28" > < span class = "lineNum" > 28 < / span > : * @param period the amount of seconds we are going to look into the past for the new token price< / a >
< a name = "29" > < span class = "lineNum" > 29 < / span > : * @return returns the price of baseToken in quoteToken< / a >
< a name = "30" > < span class = "lineNum" > 30 < / span > : *< / a >
< a name = "31" > < span class = "lineNum" > 31 < / span > : */< / a >
< a name = "32" > < span class = "lineNum" > 32 < / span > : function getPriceOfTokenInToken(address baseToken, address quoteToken, uint24 fee, uint32 period)< / a >
< a name = "33" > < span class = "lineNum" > 33 < / span > : internal< / a >
< a name = "34" > < span class = "lineNum" > 34 < / span > : view< / a >
< a name = "35" > < span class = "lineNum" > 35 < / span > : returns (uint256)< / a >
< a name = "36" > < span class = "lineNum" > 36 < / span > : {< / a >
< a name = "37" > < span class = "lineNum" > 37 < / span > < span class = "lineCov" > 64 : uint128 base = uint128(10) ** uint128(IERC20Decimals(quoteToken).decimals());< / span > < / a >
< a name = "38" > < span class = "lineNum" > 38 < / span > < span class = "lineCov" > 64 : if (baseToken == quoteToken) {< / span > < / a >
< a name = "39" > < span class = "lineNum" > 39 < / span > < span class = "lineCov" > 39 : return base;< / span > < / a >
< a name = "40" > < span class = "lineNum" > 40 < / span > : } else {< / a >
< a name = "41" > < span class = "lineNum" > 41 < / span > < span class = "lineCov" > 25 : return OracleLibrary.getQuoteAtTick(< / span > < / a >
< a name = "42" > < span class = "lineNum" > 42 < / span > : OracleLibrary.consult(UniswapV3Factory.getPool(baseToken, quoteToken, fee), period),< / a >
< a name = "43" > < span class = "lineNum" > 43 < / span > : base,< / a >
< a name = "44" > < span class = "lineNum" > 44 < / span > : baseToken,< / a >
< a name = "45" > < span class = "lineNum" > 45 < / span > : quoteToken< / a >
< a name = "46" > < span class = "lineNum" > 46 < / span > : );< / a >
< a name = "47" > < span class = "lineNum" > 47 < / span > : }< / a >
< a name = "48" > < span class = "lineNum" > 48 < / span > : }< / a >
< a name = "49" > < span class = "lineNum" > 49 < / span > : < / a >
< a name = "50" > < span class = "lineNum" > 50 < / span > : /**< / a >
< a name = "51" > < span class = "lineNum" > 51 < / span > : * @notice This function should return the price of token in WETH< / a >
< a name = "52" > < span class = "lineNum" > 52 < / span > : * @dev simply feeds WETH in to the above function< / a >
< a name = "53" > < span class = "lineNum" > 53 < / span > : * @param token token which will be denominated in WETH< / a >
< a name = "54" > < span class = "lineNum" > 54 < / span > : * @param fee the uniswap pool fee, pools have different fees so this is a pool selector for our usecase< / a >
< a name = "55" > < span class = "lineNum" > 55 < / span > : * @param period the amount of seconds we are going to look into the past for the new token price< / a >
< a name = "56" > < span class = "lineNum" > 56 < / span > : * @return returns the price of token in WETH< / a >
< a name = "57" > < span class = "lineNum" > 57 < / span > : *< / a >
< a name = "58" > < span class = "lineNum" > 58 < / span > : */< / a >
< a name = "59" > < span class = "lineNum" > 59 < / span > : function getPriceOfTokenInWETH(address token, uint24 fee, uint32 period)< / a >
< a name = "60" > < span class = "lineNum" > 60 < / span > : internal< / a >
< a name = "61" > < span class = "lineNum" > 61 < / span > : view< / a >
< a name = "62" > < span class = "lineNum" > 62 < / span > : returns (uint256)< / a >
< a name = "63" > < span class = "lineNum" > 63 < / span > : {< / a >
< a name = "64" > < span class = "lineNum" > 64 < / span > < span class = "lineCov" > 64 : return getPriceOfTokenInToken(token, WETH, fee, period);< / span > < / a >
< a name = "65" > < span class = "lineNum" > 65 < / span > : }< / a >
< a name = "66" > < span class = "lineNum" > 66 < / span > : < / a >
< a name = "67" > < span class = "lineNum" > 67 < / span > : /**< / a >
< a name = "68" > < span class = "lineNum" > 68 < / span > : * @notice This function should return the price of WETH in token< / a >
< a name = "69" > < span class = "lineNum" > 69 < / span > : * @dev simply feeds WETH into getPriceOfTokenInToken< / a >
< a name = "70" > < span class = "lineNum" > 70 < / span > : * @param token token which WETH will be denominated in< / a >
< a name = "71" > < span class = "lineNum" > 71 < / span > : * @param fee the uniswap pool fee, pools have different fees so this is a pool selector for our usecase< / a >
< a name = "72" > < span class = "lineNum" > 72 < / span > : * @param period the amount of seconds we are going to look into the past for the new token price< / a >
< a name = "73" > < span class = "lineNum" > 73 < / span > : * @return returns the price of token in WETH< / a >
< a name = "74" > < span class = "lineNum" > 74 < / span > : *< / a >
< a name = "75" > < span class = "lineNum" > 75 < / span > : */< / a >
< a name = "76" > < span class = "lineNum" > 76 < / span > : function getPriceOfWETHInToken(address token, uint24 fee, uint32 period)< / a >
< a name = "77" > < span class = "lineNum" > 77 < / span > : internal< / a >
< a name = "78" > < span class = "lineNum" > 78 < / span > : view< / a >
< a name = "79" > < span class = "lineNum" > 79 < / span > : returns (uint256)< / a >
< a name = "80" > < span class = "lineNum" > 80 < / span > : {< / a >
< a name = "81" > < span class = "lineNum" > 81 < / span > < span class = "lineNoCov" > 0 : return getPriceOfTokenInToken(WETH, token, fee, period);< / span > < / a >
< a name = "82" > < span class = "lineNum" > 82 < / span > : }< / a >
< a name = "83" > < span class = "lineNum" > 83 < / span > : < / a >
< a name = "84" > < span class = "lineNum" > 84 < / span > : /**< / a >
< a name = "85" > < span class = "lineNum" > 85 < / span > : * @notice This function returns the price of token[0] in token[1], but more precisely and importantly the< / a >
< a name = "86" > < span class = "lineNum" > 86 < / span > : * price ratio of the tokens in WETH< / a >
< a name = "87" > < span class = "lineNum" > 87 < / span > : * @dev this is done as to always have good prices due to WETH-token pools mostly always having the most< / a >
< a name = "88" > < span class = "lineNum" > 88 < / span > : * liquidity< / a >
< a name = "89" > < span class = "lineNum" > 89 < / span > : * @param tokens array of tokens to get ratio for< / a >
< a name = "90" > < span class = "lineNum" > 90 < / span > : * @param fees the uniswap pool FEES, since these are two independent tokens< / a >
< a name = "91" > < span class = "lineNum" > 91 < / span > : * @param period the amount of seconds we are going to look into the past for the new token price< / a >
< a name = "92" > < span class = "lineNum" > 92 < / span > : * @return returns the price of token[0] in token[1]< / a >
< a name = "93" > < span class = "lineNum" > 93 < / span > : *< / a >
< a name = "94" > < span class = "lineNum" > 94 < / span > : */< / a >
< a name = "95" > < span class = "lineNum" > 95 < / span > : function getPriceRatioOfTokens(address[2] memory tokens, uint24[2] memory fees, uint32 period)< / a >
< a name = "96" > < span class = "lineNum" > 96 < / span > : internal< / a >
< a name = "97" > < span class = "lineNum" > 97 < / span > : view< / a >
< a name = "98" > < span class = "lineNum" > 98 < / span > : returns (uint256)< / a >
< a name = "99" > < span class = "lineNum" > 99 < / span > : {< / a >
< a name = "100" > < span class = "lineNum" > 100 < / span > < span class = "lineNoCov" > 0 : return getPriceOfTokenInWETH(tokens[0], fees[0], period).mul(RATIO_DIVIDER)< / span > < / a >
< a name = "101" > < span class = "lineNum" > 101 < / span > : / getPriceOfTokenInWETH(tokens[1], fees[1], period);< / a >
< a name = "102" > < span class = "lineNum" > 102 < / span > : }< / a >
< a name = "103" > < span class = "lineNum" > 103 < / span > : }< / a >
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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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