2023-06-19 03:08:10 +03:00
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< title > LCOV - lcov.info - v2/UniswapFeeOracle.sol< / title >
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< td width = "35%" class = "headerValue" > < a href = "../index.html" > top level< / a > - < a href = "index.html" > v2< / a > - UniswapFeeOracle.sol< span style = "font-size: 80%;" > (source / < a href = "UniswapFeeOracle.sol.func-sort-c.html" > functions< / a > )< / span > < / td >
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2023-06-21 00:04:29 +03:00
< td class = "headerValue" > 2023-06-20 21:04:08< / td >
2023-06-19 03:08:10 +03:00
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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 > : pragma experimental ABIEncoderV2;< / a >
< a name = "5" > < span class = "lineNum" > 5 < / span > : < / a >
< a name = "6" > < span class = "lineNum" > 6 < / span > : import { console2 } from " forge-std/console2.sol" ;< / a >
< a name = "7" > < span class = "lineNum" > 7 < / span > : // OZ imports< / a >
< a name = "8" > < span class = "lineNum" > 8 < / span > : < / a >
< a name = "9" > < span class = "lineNum" > 9 < / span > : import { SafeMath } from " @openzeppelin/contracts/math/SafeMath.sol" ;< / a >
< a name = "10" > < span class = "lineNum" > 10 < / span > : import { IERC20 } from " @openzeppelin/contracts/token/ERC20/IERC20.sol" ;< / a >
< a name = "11" > < span class = "lineNum" > 11 < / span > : < / a >
< a name = "12" > < span class = "lineNum" > 12 < / span > : // Uniswap imports< / a >
< a name = "13" > < span class = "lineNum" > 13 < / span > : < / a >
< a name = "14" > < span class = "lineNum" > 14 < / span > : import { IUniswapV3Factory } from " @uniswap/v3-core/contracts/interfaces/IUniswapV3Factory.sol" ;< / a >
< a name = "15" > < span class = "lineNum" > 15 < / span > : import { IUniswapV3PoolState } from " @uniswap/v3-core/contracts/interfaces/pool/IUniswapV3PoolState.sol" ;< / a >
< a name = "16" > < span class = "lineNum" > 16 < / span > : < / a >
< a name = "17" > < span class = "lineNum" > 17 < / span > : // Tornado imports< / a >
< a name = "18" > < span class = "lineNum" > 18 < / span > : < / a >
< a name = "19" > < span class = "lineNum" > 19 < / span > : import { ITornadoInstance } from " tornado-anonymity-mining/contracts/interfaces/ITornadoInstance.sol" ;< / a >
< a name = "20" > < span class = "lineNum" > 20 < / span > : < / a >
< a name = "21" > < span class = "lineNum" > 21 < / span > : // Local imports< / a >
< a name = "22" > < span class = "lineNum" > 22 < / span > : < / a >
< a name = "23" > < span class = "lineNum" > 23 < / span > : import { IUniswapV2Pair } from " ./interfaces/IUniswapV2Pair.sol" ;< / a >
< a name = "24" > < span class = "lineNum" > 24 < / span > : < / a >
< a name = "25" > < span class = "lineNum" > 25 < / span > : import { IFeeOracle, InstanceWithFee } from " ./interfaces/IFeeOracle.sol" ;< / a >
< a name = "26" > < span class = "lineNum" > 26 < / span > : < / a >
< a name = "27" > < span class = "lineNum" > 27 < / span > : import { UniswapV3OracleHelper } from " ./libraries/UniswapV3OracleHelper.sol" ;< / a >
< a name = "28" > < span class = "lineNum" > 28 < / span > : < / a >
< a name = "29" > < span class = "lineNum" > 29 < / span > : import { UniswapV2OracleLibrary } from " ./libraries/UniswapV2OracleLibrary.sol" ;< / a >
< a name = "30" > < span class = "lineNum" > 30 < / span > : < / a >
< a name = "31" > < span class = "lineNum" > 31 < / span > : import { FixedPoint } from " ./libraries/FixedPoint.sol" ;< / a >
< a name = "32" > < span class = "lineNum" > 32 < / span > : < / a >
< a name = "33" > < span class = "lineNum" > 33 < / span > : import { InstanceState } from " ./InstanceRegistry.sol" ;< / a >
< a name = "34" > < span class = "lineNum" > 34 < / span > : < / a >
< a name = "35" > < span class = "lineNum" > 35 < / span > : /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ OUR CONTRACT ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */< / a >
< a name = "36" > < span class = "lineNum" > 36 < / span > : < / a >
< a name = "37" > < span class = "lineNum" > 37 < / span > : struct TWAPData {< / a >
< a name = "38" > < span class = "lineNum" > 38 < / span > : FixedPoint.uq112x112 averagePrice;< / a >
< a name = "39" > < span class = "lineNum" > 39 < / span > : uint32 updatedTimestamp;< / a >
< a name = "40" > < span class = "lineNum" > 40 < / span > : }< / a >
< a name = "41" > < span class = "lineNum" > 41 < / span > : < / a >
< a name = "42" > < span class = "lineNum" > 42 < / span > : contract UniswapFeeOracle is IFeeOracle {< / a >
< a name = "43" > < span class = "lineNum" > 43 < / span > : using SafeMath for uint256;< / a >
< a name = "44" > < span class = "lineNum" > 44 < / span > : using FixedPoint for *;< / a >
< a name = "45" > < span class = "lineNum" > 45 < / span > : < / a >
< a name = "46" > < span class = "lineNum" > 46 < / span > : /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ VARIABLES ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */< / 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 > : * @notice The precision when calculating TWAP without some factor is 3 digits. We use this to scale,< / a >
< a name = "50" > < span class = "lineNum" > 50 < / span > : * while being aware of uint224 max size.< / a >
< a name = "51" > < span class = "lineNum" > 51 < / span > : */< / a >
< a name = "52" > < span class = "lineNum" > 52 < / span > : uint256 public constant Q112Ratio = 1_000_000_000;< / a >
< a name = "53" > < span class = "lineNum" > 53 < / span > : < / a >
< a name = "54" > < span class = "lineNum" > 54 < / span > : /**< / a >
< a name = "55" > < span class = "lineNum" > 55 < / span > : * @notice Address of the Uniswap V2 TORN/ETH pool< / a >
< a name = "56" > < span class = "lineNum" > 56 < / span > : */< / a >
< a name = "57" > < span class = "lineNum" > 57 < / span > : address public constant UNIV2_TORN_ETH_ADDR = 0x0C722a487876989Af8a05FFfB6e32e45cc23FB3A;< / a >
< a name = "58" > < span class = "lineNum" > 58 < / span > : < / a >
< a name = "59" > < span class = "lineNum" > 59 < / span > : /**< / a >
< a name = "60" > < span class = "lineNum" > 60 < / span > : * @notice The Governance Proxy address< / a >
< a name = "61" > < span class = "lineNum" > 61 < / span > : */< / a >
< a name = "62" > < span class = "lineNum" > 62 < / span > : address public immutable governanceProxyAddress;< / a >
< a name = "63" > < span class = "lineNum" > 63 < / span > : < / a >
< a name = "64" > < span class = "lineNum" > 64 < / span > : /**< / a >
< a name = "65" > < span class = "lineNum" > 65 < / span > : * @notice The Fee Oracle Manager address< / a >
< a name = "66" > < span class = "lineNum" > 66 < / span > : */< / a >
< a name = "67" > < span class = "lineNum" > 67 < / span > : address public feeOracleManagerAddress;< / a >
< a name = "68" > < span class = "lineNum" > 68 < / span > : < / a >
< a name = "69" > < span class = "lineNum" > 69 < / span > : /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ V3 ORACLE ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */< / a >
< a name = "70" > < span class = "lineNum" > 70 < / span > : < / a >
< a name = "71" > < span class = "lineNum" > 71 < / span > : /**< / a >
< a name = "72" > < span class = "lineNum" > 72 < / span > : * @notice Uniswap V3 pool fees for each token registered< / a >
< a name = "73" > < span class = "lineNum" > 73 < / span > : */< / a >
< a name = "74" > < span class = "lineNum" > 74 < / span > : mapping(IERC20 => uint24) public poolFeesByToken;< / a >
< a name = "75" > < span class = "lineNum" > 75 < / span > : < / a >
< a name = "76" > < span class = "lineNum" > 76 < / span > : /**< / a >
< a name = "77" > < span class = "lineNum" > 77 < / span > : * @notice The minimum observation cardinality for other pools< / a >
< a name = "78" > < span class = "lineNum" > 78 < / span > : */< / a >
< a name = "79" > < span class = "lineNum" > 79 < / span > : uint16 public minObservationCardinality;< / a >
< a name = "80" > < span class = "lineNum" > 80 < / span > : < / a >
< a name = "81" > < span class = "lineNum" > 81 < / span > : /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ V2 TWAP ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */< / 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 > : * @notice Uniswap V2 torn pool cumulative price last< / a >
< a name = "85" > < span class = "lineNum" > 85 < / span > : */< / a >
< a name = "86" > < span class = "lineNum" > 86 < / span > : uint256 public lastCumulativeTORNPriceInETH;< / a >
< a name = "87" > < span class = "lineNum" > 87 < / span > : < / a >
< a name = "88" > < span class = "lineNum" > 88 < / span > : /**< / a >
< a name = "89" > < span class = "lineNum" > 89 < / span > : * @notice Last TWAP data< / a >
< a name = "90" > < span class = "lineNum" > 90 < / span > : */< / a >
< a name = "91" > < span class = "lineNum" > 91 < / span > : TWAPData public last;< / a >
< a name = "92" > < span class = "lineNum" > 92 < / span > : < / a >
< a name = "93" > < span class = "lineNum" > 93 < / span > : /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ EVENTS ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */< / a >
< a name = "94" > < span class = "lineNum" > 94 < / span > : < / a >
< a name = "95" > < span class = "lineNum" > 95 < / span > : event PoolFeeUpdated(IERC20 token, uint24 newPoolFee);< / a >
< a name = "96" > < span class = "lineNum" > 96 < / span > : event MinObservationCardinalityUpdated(uint16 newMinObservationCardinality);< / a >
< a name = "97" > < span class = "lineNum" > 97 < / span > : event FeeOracleManagerAddressUpdated(address newFeeOracleManagerAddress);< / a >
< a name = "98" > < span class = "lineNum" > 98 < / span > : < / a >
< a name = "99" > < span class = "lineNum" > 99 < / span > : /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ LOGIC ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */< / a >
< a name = "100" > < span class = "lineNum" > 100 < / span > : < / a >
< a name = "101" > < span class = "lineNum" > 101 < / span > : constructor(address _governanceProxyAddress, address _feeOracleManagerAddress) public {< / a >
< a name = "102" > < span class = "lineNum" > 102 < / span > : governanceProxyAddress = _governanceProxyAddress;< / a >
< a name = "103" > < span class = "lineNum" > 103 < / span > : feeOracleManagerAddress = _feeOracleManagerAddress;< / a >
< a name = "104" > < span class = "lineNum" > 104 < / span > : < / a >
< a name = "105" > < span class = "lineNum" > 105 < / span > : // We're immediately doing this because we want to immediately be ready with a price on execution< / a >
< a name = "106" > < span class = "lineNum" > 106 < / span > : < / a >
< a name = "107" > < span class = "lineNum" > 107 < / span > : (, uint256 _price1CumulativeLast, uint32 _timestamp) =< / a >
< a name = "108" > < span class = "lineNum" > 108 < / span > : UniswapV2OracleLibrary.currentCumulativePrices(UNIV2_TORN_ETH_ADDR);< / a >
< a name = "109" > < span class = "lineNum" > 109 < / span > : < / a >
< a name = "110" > < span class = "lineNum" > 110 < / span > : lastCumulativeTORNPriceInETH = _price1CumulativeLast;< / a >
< a name = "111" > < span class = "lineNum" > 111 < / span > : < / a >
< a name = "112" > < span class = "lineNum" > 112 < / span > : last.updatedTimestamp = _timestamp;< / a >
< a name = "113" > < span class = "lineNum" > 113 < / span > : }< / a >
< a name = "114" > < span class = "lineNum" > 114 < / span > : < / a >
< a name = "115" > < span class = "lineNum" > 115 < / span > : modifier onlyGovernance() {< / a >
< a name = "116" > < span class = "lineNum" > 116 < / span > : require(msg.sender == governanceProxyAddress, " UniswapFeeOracle: onlyGovernance" );< / a >
< a name = "117" > < span class = "lineNum" > 117 < / span > : _;< / a >
< a name = "118" > < span class = "lineNum" > 118 < / span > : }< / a >
< a name = "119" > < span class = "lineNum" > 119 < / span > : < / a >
< a name = "120" > < span class = "lineNum" > 120 < / span > : modifier onlyFeeOracleManager() {< / a >
< a name = "121" > < span class = "lineNum" > 121 < / span > : require(msg.sender == feeOracleManagerAddress, " UniswapFeeOracle: onlyFeeOracleManager" );< / a >
< a name = "122" > < span class = "lineNum" > 122 < / span > : _;< / a >
< a name = "123" > < span class = "lineNum" > 123 < / span > : }< / a >
< a name = "124" > < span class = "lineNum" > 124 < / span > : < / a >
< a name = "125" > < span class = "lineNum" > 125 < / span > : /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ MAIN ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */< / a >
< a name = "126" > < span class = "lineNum" > 126 < / span > : < / a >
< a name = "127" > < span class = "lineNum" > 127 < / span > : function getFee(IERC20, InstanceWithFee memory _instance)< / a >
< a name = "128" > < span class = "lineNum" > 128 < / span > : public< / a >
< a name = "129" > < span class = "lineNum" > 129 < / span > : view< / a >
< a name = "130" > < span class = "lineNum" > 130 < / span > : virtual< / a >
< a name = "131" > < span class = "lineNum" > 131 < / span > : override< / a >
< a name = "132" > < span class = "lineNum" > 132 < / span > : returns (uint160)< / a >
< a name = "133" > < span class = "lineNum" > 133 < / span > : {< / a >
< a name = "134" > < span class = "lineNum" > 134 < / span > : // If 0%, 0< / a >
< a name = "135" > < span class = "lineNum" > 135 < / span > < span class = "lineCov" > 58 : if (_instance.fee.percent == 0) return 0;< / span > < / a >
< a name = "136" > < span class = "lineNum" > 136 < / span > : < / a >
< a name = "137" > < span class = "lineNum" > 137 < / span > : // If it's not an ERC20 it has to be ETH, use the WETH token< / a >
< a name = "138" > < span class = "lineNum" > 138 < / span > < span class = "lineCov" > 49 : _instance.state.token =< / span > < / a >
< a name = "139" > < span class = "lineNum" > 139 < / span > : _instance.state.isERC20 ? _instance.state.token : IERC20(UniswapV3OracleHelper.WETH);< / a >
< a name = "140" > < span class = "lineNum" > 140 < / span > : < / a >
< a name = "141" > < span class = "lineNum" > 141 < / span > : // Now get the number of TORN per TOKEN< / a >
< a name = "142" > < span class = "lineNum" > 142 < / span > < span class = "lineCov" > 49 : uint256 tornPerToken = getTORNPerToken(_instance.state.token, _instance.fee.updateInterval);< / span > < / a >
< a name = "143" > < span class = "lineNum" > 143 < / span > : < / a >
< a name = "144" > < span class = "lineNum" > 144 < / span > : // DENOMINATION IN TOKEN * TORN PER TOKEN * FEE_NUMERATOR / FEE_DIVISOR = FEE IN TORN< / a >
< a name = "145" > < span class = "lineNum" > 145 < / span > < span class = "lineCov" > 49 : return uint160(< / span > < / a >
< a name = "146" > < span class = "lineNum" > 146 < / span > : _instance.logic.denomination().mul(tornPerToken).div(1e18).mul(uint256(_instance.fee.percent)).div(< / a >
< a name = "147" > < span class = "lineNum" > 147 < / span > : uint256(_instance.fee.divisor)< / a >
< a name = "148" > < span class = "lineNum" > 148 < / span > : )< / a >
< a name = "149" > < span class = "lineNum" > 149 < / span > : );< / a >
< a name = "150" > < span class = "lineNum" > 150 < / span > : }< / a >
< a name = "151" > < span class = "lineNum" > 151 < / span > : < / a >
< a name = "152" > < span class = "lineNum" > 152 < / span > : function update(IERC20, InstanceWithFee memory _instance) public virtual override onlyFeeOracleManager {< / a >
< a name = "153" > < span class = "lineNum" > 153 < / span > : // Get the timestamp of the last update< / a >
< a name = "154" > < span class = "lineNum" > 154 < / span > < span class = "lineCov" > 77 : uint32 timestampLastUpdate = last.updatedTimestamp;< / span > < / a >
< a name = "155" > < span class = "lineNum" > 155 < / span > : < / a >
< a name = "156" > < span class = "lineNum" > 156 < / span > : // Get the current one by Uniswaps logic, has inbuilt overflow< / a >
< a name = "157" > < span class = "lineNum" > 157 < / span > < span class = "lineCov" > 77 : uint32 currentTimestamp = UniswapV2OracleLibrary.currentBlockTimestamp();< / span > < / a >
< a name = "158" > < span class = "lineNum" > 158 < / span > : < / a >
< a name = "159" > < span class = "lineNum" > 159 < / span > : // Calculate elapsed time, no matter whether overflow (uniswap logic)< / a >
< a name = "160" > < span class = "lineNum" > 160 < / span > < span class = "lineCov" > 77 : uint32 elapsed = currentTimestamp - timestampLastUpdate;< / span > < / a >
< a name = "161" > < span class = "lineNum" > 161 < / span > : < / a >
< a name = "162" > < span class = "lineNum" > 162 < / span > : // Multiple instances may refer to this oracle< / a >
< a name = "163" > < span class = "lineNum" > 163 < / span > : // For this reason we will basically allow only one to update< / a >
< a name = "164" > < span class = "lineNum" > 164 < / span > < span class = "lineCov" > 77 : if (_instance.fee.updateInterval < = elapsed) {< / span > < / a >
< a name = "165" > < span class = "lineNum" > 165 < / span > : // Get last token0/token1 meaning TORN per ETH counterfactually< / a >
< a name = "166" > < span class = "lineNum" > 166 < / span > < span class = "lineCov" > 8 : (, uint256 _price1CumulativeLast,) =< / span > < / a >
< a name = "167" > < span class = "lineNum" > 167 < / span > < span class = "lineCov" > 8 : UniswapV2OracleLibrary.currentCumulativePrices(UNIV2_TORN_ETH_ADDR);< / span > < / a >
< a name = "168" > < span class = "lineNum" > 168 < / span > : < / a >
< a name = "169" > < span class = "lineNum" > 169 < / span > : // Save TWAP data, meaning the average price (TORN per ETH)< / a >
< a name = "170" > < span class = "lineNum" > 170 < / span > < span class = "lineCov" > 8 : last = TWAPData({< / span > < / a >
< a name = "171" > < span class = "lineNum" > 171 < / span > : averagePrice: FixedPoint.uq112x112(< / a >
< a name = "172" > < span class = "lineNum" > 172 < / span > : uint224(((_price1CumulativeLast - lastCumulativeTORNPriceInETH) * Q112Ratio) / elapsed)< / a >
< a name = "173" > < span class = "lineNum" > 173 < / span > : ),< / a >
< a name = "174" > < span class = "lineNum" > 174 < / span > : updatedTimestamp: currentTimestamp< / a >
< a name = "175" > < span class = "lineNum" > 175 < / span > : });< / a >
< a name = "176" > < span class = "lineNum" > 176 < / span > : < / a >
< a name = "177" > < span class = "lineNum" > 177 < / span > : // Update the cumulative value< / a >
< a name = "178" > < span class = "lineNum" > 178 < / span > < span class = "lineCov" > 8 : lastCumulativeTORNPriceInETH = _price1CumulativeLast;< / span > < / a >
< a name = "179" > < span class = "lineNum" > 179 < / span > : }< / a >
< a name = "180" > < span class = "lineNum" > 180 < / span > : }< / a >
< a name = "181" > < span class = "lineNum" > 181 < / span > : < / a >
< a name = "182" > < span class = "lineNum" > 182 < / span > : function getTORNPerToken(IERC20 _token, uint32 _interval) public view virtual returns (uint256) {< / a >
< a name = "183" > < span class = "lineNum" > 183 < / span > : // Get the average price of TOKEN in WETH< / a >
< a name = "184" > < span class = "lineNum" > 184 < / span > < span class = "lineCov" > 64 : uint256 ethPerTokenAverage =< / span > < / a >
< a name = "185" > < span class = "lineNum" > 185 < / span > < span class = "lineCov" > 64 : UniswapV3OracleHelper.getPriceOfTokenInWETH(address(_token), poolFeesByToken[_token], _interval);< / span > < / a >
< a name = "186" > < span class = "lineNum" > 186 < / span > : < / a >
< a name = "187" > < span class = "lineNum" > 187 < / span > : // TORN PER ETH * ETH PER TOKEN = TORN per TOKEN< / a >
< a name = "188" > < span class = "lineNum" > 188 < / span > < span class = "lineCov" > 64 : return ethPerTokenAverage * last.averagePrice.decode() / Q112Ratio;< / span > < / a >
< a name = "189" > < span class = "lineNum" > 189 < / span > : }< / a >
< a name = "190" > < span class = "lineNum" > 190 < / span > : < / a >
< a name = "191" > < span class = "lineNum" > 191 < / span > : /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ SETTERS ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */< / a >
< a name = "192" > < span class = "lineNum" > 192 < / span > : < / a >
< a name = "193" > < span class = "lineNum" > 193 < / span > : function setPoolFeeForToken(IERC20 _token, uint24 _tokenPoolFee) public virtual onlyGovernance {< / a >
< a name = "194" > < span class = "lineNum" > 194 < / span > : // Check whether cardinality is initialized< / a >
< a name = "195" > < span class = "lineNum" > 195 < / span > < span class = "lineCov" > 68 : require(minObservationCardinality != 0, " UniswapFeeOracle: cardinality not initialized" );< / span > < / a >
< a name = "196" > < span class = "lineNum" > 196 < / span > : < / a >
< a name = "197" > < span class = "lineNum" > 197 < / span > : // Only do this if not zeroing out< / a >
< a name = "198" > < span class = "lineNum" > 198 < / span > < span class = "lineCov" > 68 : if (_tokenPoolFee != 0) {< / span > < / a >
< a name = "199" > < span class = "lineNum" > 199 < / span > : // Check whether a pool exists for the token + fee combination< / a >
< a name = "200" > < span class = "lineNum" > 200 < / span > : < / a >
< a name = "201" > < span class = "lineNum" > 201 < / span > < span class = "lineCov" > 52 : address poolAddress = UniswapV3OracleHelper.UniswapV3Factory.getPool(< / span > < / a >
< a name = "202" > < span class = "lineNum" > 202 < / span > : address(_token), UniswapV3OracleHelper.WETH, _tokenPoolFee< / a >
< a name = "203" > < span class = "lineNum" > 203 < / span > : );< / a >
< a name = "204" > < span class = "lineNum" > 204 < / span > : < / a >
< a name = "205" > < span class = "lineNum" > 205 < / span > < span class = "lineCov" > 52 : require(poolAddress != address(0), " UniswapFeeOracle: pool for token and fee does not exist" );< / span > < / a >
< a name = "206" > < span class = "lineNum" > 206 < / span > : < / a >
< a name = "207" > < span class = "lineNum" > 207 < / span > : // Check whether the pool has a large enough observation cardinality< / a >
< a name = "208" > < span class = "lineNum" > 208 < / span > : < / a >
< a name = "209" > < span class = "lineNum" > 209 < / span > < span class = "lineCov" > 52 : (,,,, uint16 observationCardinalityNext,,) = IUniswapV3PoolState(poolAddress).slot0();< / span > < / a >
< a name = "210" > < span class = "lineNum" > 210 < / span > : < / a >
< a name = "211" > < span class = "lineNum" > 211 < / span > < span class = "lineCov" > 52 : require(< / span > < / a >
< a name = "212" > < span class = "lineNum" > 212 < / span > : minObservationCardinality < = observationCardinalityNext,< / a >
< a name = "213" > < span class = "lineNum" > 213 < / span > : " UniswapFeeOracle: pool observation cardinality low" < / a >
< a name = "214" > < span class = "lineNum" > 214 < / span > : );< / a >
< a name = "215" > < span class = "lineNum" > 215 < / span > : }< / a >
< a name = "216" > < span class = "lineNum" > 216 < / span > : < / a >
< a name = "217" > < span class = "lineNum" > 217 < / span > : // Store & log< / a >
< a name = "218" > < span class = "lineNum" > 218 < / span > : < / a >
< a name = "219" > < span class = "lineNum" > 219 < / span > < span class = "lineCov" > 68 : poolFeesByToken[_token] = _tokenPoolFee;< / span > < / a >
< a name = "220" > < span class = "lineNum" > 220 < / span > : < / a >
< a name = "221" > < span class = "lineNum" > 221 < / span > < span class = "lineCov" > 68 : emit PoolFeeUpdated(_token, _tokenPoolFee);< / span > < / a >
< a name = "222" > < span class = "lineNum" > 222 < / span > : }< / a >
< a name = "223" > < span class = "lineNum" > 223 < / span > : < / a >
< a name = "224" > < span class = "lineNum" > 224 < / span > : function setMinObservationCardinality(uint16 _newGlobalMinObservationCardinality)< / a >
< a name = "225" > < span class = "lineNum" > 225 < / span > : public< / a >
< a name = "226" > < span class = "lineNum" > 226 < / span > : virtual< / a >
< a name = "227" > < span class = "lineNum" > 227 < / span > : onlyGovernance< / a >
< a name = "228" > < span class = "lineNum" > 228 < / span > : {< / a >
< a name = "229" > < span class = "lineNum" > 229 < / span > < span class = "lineCov" > 8 : minObservationCardinality = _newGlobalMinObservationCardinality;< / span > < / a >
< a name = "230" > < span class = "lineNum" > 230 < / span > < span class = "lineCov" > 8 : emit MinObservationCardinalityUpdated(_newGlobalMinObservationCardinality);< / span > < / a >
< a name = "231" > < span class = "lineNum" > 231 < / span > : }< / a >
< a name = "232" > < span class = "lineNum" > 232 < / span > : < / a >
< a name = "233" > < span class = "lineNum" > 233 < / span > : function setFeeOracleManagerAddress(address _newFeeOracleManagerAddress) public virtual onlyGovernance {< / a >
< a name = "234" > < span class = "lineNum" > 234 < / span > < span class = "lineCov" > 1 : feeOracleManagerAddress = _newFeeOracleManagerAddress;< / span > < / a >
< a name = "235" > < span class = "lineNum" > 235 < / span > < span class = "lineCov" > 1 : emit FeeOracleManagerAddressUpdated(_newFeeOracleManagerAddress);< / span > < / a >
< a name = "236" > < span class = "lineNum" > 236 < / span > : }< / a >
< a name = "237" > < span class = "lineNum" > 237 < / span > : < / a >
< a name = "238" > < span class = "lineNum" > 238 < / span > : /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ GETTERS ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */< / a >
< a name = "239" > < span class = "lineNum" > 239 < / span > : < / a >
< a name = "240" > < span class = "lineNum" > 240 < / span > : function getTWAPData() public view virtual returns (TWAPData memory) {< / a >
< a name = "241" > < span class = "lineNum" > 241 < / span > < span class = "lineCov" > 1 : return last;< / span > < / a >
< a name = "242" > < span class = "lineNum" > 242 < / span > : }< / a >
< a name = "243" > < span class = "lineNum" > 243 < / span > : < / a >
< a name = "244" > < span class = "lineNum" > 244 < / span > : function getAverageTORNPerETH() public view virtual returns (uint256) {< / a >
< a name = "245" > < span class = "lineNum" > 245 < / span > < span class = "lineCov" > 1 : return last.averagePrice.decode();< / span > < / a >
< a name = "246" > < span class = "lineNum" > 246 < / span > : }< / a >
< a name = "247" > < span class = "lineNum" > 247 < / span > : < / a >
< a name = "248" > < span class = "lineNum" > 248 < / span > : function getLastUpdatedTime() public view virtual returns (uint32) {< / a >
< a name = "249" > < span class = "lineNum" > 249 < / span > < span class = "lineCov" > 1 : return last.updatedTimestamp;< / span > < / a >
< a name = "250" > < span class = "lineNum" > 250 < / span > : }< / a >
< a name = "251" > < span class = "lineNum" > 251 < / span > : }< / a >
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< tr > < td class = "ruler" > < img src = "../glass.png" width = 3 height = 3 alt = "" > < / td > < / tr >
< 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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