{"abi":[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"previousAdmin","type":"address"},{"indexed":false,"internalType":"address","name":"newAdmin","type":"address"}],"name":"AdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"contract IAssetRegistry","name":"oldVal","type":"address"},{"indexed":true,"internalType":"contract IAssetRegistry","name":"newVal","type":"address"}],"name":"AssetRegistrySet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"contract IBackingManager","name":"oldVal","type":"address"},{"indexed":true,"internalType":"contract IBackingManager","name":"newVal","type":"address"}],"name":"BackingManagerSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"contract IBasketHandler","name":"oldVal","type":"address"},{"indexed":true,"internalType":"contract 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IFurnace","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleAdmin","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"grantRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"hasRole","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"contract IRToken","name":"rToken","type":"address"},{"internalType":"contract IStRSR","name":"stRSR","type":"address"},{"internalType":"contract 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IERC20","name":"rsr_","type":"address"},{"internalType":"uint48","name":"shortFreeze_","type":"uint48"},{"internalType":"uint48","name":"longFreeze_","type":"uint48"}],"name":"init","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"longFreeze","outputs":[{"internalType":"uint48","name":"","type":"uint48"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"longFreezes","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pausedOrFrozen","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"poke","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"proxiableUUID","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rToken","outputs":[{"internalType":"contract IRToken","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rTokenTrader","outputs":[{"internalType":"contract IRevenueTrader","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"renounceRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"revokeRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"rsr","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rsrTrader","outputs":[{"internalType":"contract IRevenueTrader","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint48","name":"longFreeze_","type":"uint48"}],"name":"setLongFreeze","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint48","name":"shortFreeze_","type":"uint48"}],"name":"setShortFreeze","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"shortFreeze","outputs":[{"internalType":"uint48","name":"","type":"uint48"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"stRSR","outputs":[{"internalType":"contract IStRSR","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"unfreeze","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"unfreezeAt","outputs":[{"internalType":"uint48","name":"","type":"uint48"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"unpause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"}],"additional_sources":[{"file_path":"/IRewardable.sol","source_code":"// SPDX-License-Identifier: BlueOak-1.0.0\npragma solidity 0.8.17;\n\nimport \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\nimport \"./IComponent.sol\";\nimport \"./IMain.sol\";\n\n/**\n * @title IRewardable\n * @notice A simple interface mixin to support claiming of rewards.\n */\ninterface IRewardable {\n /// Emitted whenever a reward token balance is claimed\n event RewardsClaimed(IERC20 indexed erc20, uint256 indexed amount);\n\n /// Claim rewards earned by holding a balance of the ERC20 token\n /// Must emit `RewardsClaimed` for each token rewards are claimed for\n /// @dev delegatecall: there be dragons here!\n /// @custom:interaction\n function claimRewards() external;\n}\n\n/**\n * @title IRewardableComponent\n * @notice A simple interface mixin to support claiming of rewards.\n */\ninterface IRewardableComponent is IRewardable {\n /// Claim rewards for a single ERC20\n /// Must emit `RewardsClaimed` for each token rewards are claimed for\n /// @dev delegatecall: there be dragons here!\n /// @custom:interaction\n function claimRewardsSingle(IERC20 erc20) external;\n}\n"},{"file_path":"/IGnosis.sol","source_code":"// SPDX-License-Identifier: BlueOak-1.0.0\npragma solidity 0.8.17;\n\nimport \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\n\nstruct GnosisAuctionData {\n IERC20 auctioningToken;\n IERC20 biddingToken;\n uint256 orderCancellationEndDate;\n uint256 auctionEndDate;\n bytes32 initialAuctionOrder;\n uint256 minimumBiddingAmountPerOrder;\n uint256 interimSumBidAmount;\n bytes32 interimOrder;\n bytes32 clearingPriceOrder;\n uint96 volumeClearingPriceOrder;\n bool minFundingThresholdNotReached;\n bool isAtomicClosureAllowed;\n uint256 feeNumerator;\n uint256 minFundingThreshold;\n}\n\n/// The relevant portion of the interface of the live Gnosis EasyAuction contract\n/// https://github.com/gnosis/ido-contracts/blob/main/contracts/EasyAuction.sol\ninterface IGnosis {\n function initiateAuction(\n IERC20 auctioningToken,\n IERC20 biddingToken,\n uint256 orderCancellationEndDate,\n uint256 auctionEndDate,\n uint96 auctionedSellAmount,\n uint96 minBuyAmount,\n uint256 minimumBiddingAmountPerOrder,\n uint256 minFundingThreshold,\n bool isAtomicClosureAllowed,\n address accessManagerContract,\n bytes memory accessManagerContractData\n ) external returns (uint256 auctionId);\n\n function auctionData(uint256 auctionId) external view returns (GnosisAuctionData memory);\n\n /// @param auctionId The external auction id\n /// @dev See here for decoding: https://git.io/JMang\n /// @return encodedOrder The order, encoded in a bytes 32\n function settleAuction(uint256 auctionId) external returns (bytes32 encodedOrder);\n\n /// @return The numerator over a 1000-valued denominator\n function feeNumerator() external returns (uint256);\n}\n"},{"file_path":"/IBroker.sol","source_code":"// SPDX-License-Identifier: BlueOak-1.0.0\npragma solidity 0.8.17;\n\nimport \"./IAsset.sol\";\nimport \"./IComponent.sol\";\nimport \"./IGnosis.sol\";\nimport \"./ITrade.sol\";\n\n/// The data format that describes a request for trade with the Broker\nstruct TradeRequest {\n IAsset sell;\n IAsset buy;\n uint256 sellAmount; // {qSellTok}\n uint256 minBuyAmount; // {qBuyTok}\n}\n\n/**\n * @title IBroker\n * @notice The Broker deploys oneshot Trade contracts for Traders and monitors\n * the continued proper functioning of trading platforms.\n */\ninterface IBroker is IComponent {\n event AuctionLengthSet(uint48 indexed oldVal, uint48 indexed newVal);\n event DisabledSet(bool indexed prevVal, bool indexed newVal);\n\n // Initialization\n function init(\n IMain main_,\n IGnosis gnosis_,\n ITrade tradeImplementation_,\n uint48 auctionLength_\n ) external;\n\n /// Request a trade from the broker\n /// @dev Requires setting an allowance in advance\n /// @custom:interaction\n function openTrade(TradeRequest memory req) external returns (ITrade);\n\n /// Only callable by one of the trading contracts the broker deploys\n function reportViolation() external;\n\n function disabled() external view returns (bool);\n}\n\ninterface TestIBroker is IBroker {\n function gnosis() external view returns (IGnosis);\n\n function auctionLength() external view returns (uint48);\n\n function setAuctionLength(uint48 newAuctionLength) external;\n\n function setDisabled(bool disabled_) external;\n}\n"},{"file_path":"/Fixed.sol","source_code":"// SPDX-License-Identifier: BlueOak-1.0.0\n// solhint-disable func-name-mixedcase func-visibility\npragma solidity ^0.8.17;\n\n/// @title FixedPoint, a fixed-point arithmetic library defining the custom type uint192\n/// @author Matt Elder and the Reserve Team \n\n/** The logical type `uint192 ` is a 192 bit value, representing an 18-decimal Fixed-point\n fractional value. This is what's described in the Solidity documentation as\n \"fixed192x18\" -- a value represented by 192 bits, that makes 18 digits available to\n the right of the decimal point.\n\n The range of values that uint192 can represent is about [-1.7e20, 1.7e20].\n Unless a function explicitly says otherwise, it will fail on overflow.\n To be clear, the following should hold:\n toFix(0) == 0\n toFix(1) == 1e18\n*/\n\n// Analysis notes:\n// Every function should revert iff its result is out of bounds.\n// Unless otherwise noted, when a rounding mode is given, that mode is applied to\n// a single division that may happen as the last step in the computation.\n// Unless otherwise noted, when a rounding mode is *not* given but is needed, it's FLOOR.\n// For each, we comment:\n// - @return is the value expressed in \"value space\", where uint192(1e18) \"is\" 1.0\n// - as-ints: is the value expressed in \"implementation space\", where uint192(1e18) \"is\" 1e18\n// The \"@return\" expression is suitable for actually using the library\n// The \"as-ints\" expression is suitable for testing\n\n// A uint value passed to this library was out of bounds for uint192 operations\nerror UIntOutOfBounds();\nbytes32 constant UIntOutofBoundsHash = keccak256(abi.encodeWithSignature(\"UIntOutOfBounds()\"));\n\n// Used by P1 implementation for easier casting\nuint256 constant FIX_ONE_256 = 1e18;\nuint8 constant FIX_DECIMALS = 18;\n\n// If a particular uint192 is represented by the uint192 n, then the uint192 represents the\n// value n/FIX_SCALE.\nuint64 constant FIX_SCALE = 1e18;\n\n// FIX_SCALE Squared:\nuint128 constant FIX_SCALE_SQ = 1e36;\n\n// The largest integer that can be converted to uint192 .\n// This is a bit bigger than 3.1e39\nuint192 constant FIX_MAX_INT = type(uint192).max / FIX_SCALE;\n\nuint192 constant FIX_ZERO = 0; // The uint192 representation of zero.\nuint192 constant FIX_ONE = FIX_SCALE; // The uint192 representation of one.\nuint192 constant FIX_MAX = type(uint192).max; // The largest uint192. (Not an integer!)\nuint192 constant FIX_MIN = 0; // The smallest uint192.\n\n/// An enum that describes a rounding approach for converting to ints\nenum RoundingMode {\n FLOOR, // Round towards zero\n ROUND, // Round to the nearest int\n CEIL // Round away from zero\n}\n\nRoundingMode constant FLOOR = RoundingMode.FLOOR;\nRoundingMode constant ROUND = RoundingMode.ROUND;\nRoundingMode constant CEIL = RoundingMode.CEIL;\n\n/* @dev Solidity 0.8.x only allows you to change one of type or size per type conversion.\n Thus, all the tedious-looking double conversions like uint256(uint256 (foo))\n See: https://docs.soliditylang.org/en/v0.8.17/080-breaking-changes.html#new-restrictions\n */\n\n/// Explicitly convert a uint256 to a uint192. Revert if the input is out of bounds.\nfunction _safeWrap(uint256 x) pure returns (uint192) {\n if (FIX_MAX < x) revert UIntOutOfBounds();\n return uint192(x);\n}\n\n/// Convert a uint to its Fix representation.\n/// @return x\n// as-ints: x * 1e18\nfunction toFix(uint256 x) pure returns (uint192) {\n return _safeWrap(x * FIX_SCALE);\n}\n\n/// Convert a uint to its fixed-point representation, and left-shift its value `shiftLeft`\n/// decimal digits.\n/// @return x * 10**shiftLeft\n// as-ints: x * 10**(shiftLeft + 18)\nfunction shiftl_toFix(uint256 x, int8 shiftLeft) pure returns (uint192) {\n return shiftl_toFix(x, shiftLeft, FLOOR);\n}\n\n/// @return x * 10**shiftLeft\n// as-ints: x * 10**(shiftLeft + 18)\nfunction shiftl_toFix(\n uint256 x,\n int8 shiftLeft,\n RoundingMode rounding\n) pure returns (uint192) {\n // conditions for avoiding overflow\n if (x == 0) return 0;\n if (shiftLeft <= -96) return (rounding == CEIL ? 1 : 0); // 0 < uint.max / 10**77 < 0.5\n if (40 <= shiftLeft) revert UIntOutOfBounds(); // 10**56 < FIX_MAX < 10**57\n\n shiftLeft += 18;\n\n uint256 coeff = 10**abs(shiftLeft);\n uint256 shifted = (shiftLeft >= 0) ? x * coeff : _divrnd(x, coeff, rounding);\n\n return _safeWrap(shifted);\n}\n\n/// Divide a uint by a uint192, yielding a uint192\n/// This may also fail if the result is MIN_uint192! not fixing this for optimization's sake.\n/// @return x / y\n// as-ints: x * 1e36 / y\nfunction divFix(uint256 x, uint192 y) pure returns (uint192) {\n // If we didn't have to worry about overflow, we'd just do `return x * 1e36 / _y`\n // If it's safe to do this operation the easy way, do it:\n if (x < uint256(type(uint256).max / FIX_SCALE_SQ)) {\n return _safeWrap(uint256(x * FIX_SCALE_SQ) / y);\n } else {\n return _safeWrap(mulDiv256(x, FIX_SCALE_SQ, y));\n }\n}\n\n/// Divide a uint by a uint, yielding a uint192\n/// @return x / y\n// as-ints: x * 1e18 / y\nfunction divuu(uint256 x, uint256 y) pure returns (uint192) {\n return _safeWrap(mulDiv256(FIX_SCALE, x, y));\n}\n\n/// @return min(x,y)\n// as-ints: min(x,y)\nfunction fixMin(uint192 x, uint192 y) pure returns (uint192) {\n return x < y ? x : y;\n}\n\n/// @return max(x,y)\n// as-ints: max(x,y)\nfunction fixMax(uint192 x, uint192 y) pure returns (uint192) {\n return x > y ? x : y;\n}\n\n/// @return absoluteValue(x,y)\n// as-ints: absoluteValue(x,y)\nfunction abs(int256 x) pure returns (uint256) {\n return x < 0 ? uint256(-x) : uint256(x);\n}\n\n/// Divide two uints, returning a uint, using rounding mode `rounding`.\n/// @return numerator / divisor\n// as-ints: numerator / divisor\nfunction _divrnd(\n uint256 numerator,\n uint256 divisor,\n RoundingMode rounding\n) pure returns (uint256) {\n uint256 result = numerator / divisor;\n\n if (rounding == FLOOR) return result;\n\n if (rounding == ROUND) {\n if (numerator % divisor > (divisor - 1) / 2) {\n result++;\n }\n } else {\n if (numerator % divisor > 0) {\n result++;\n }\n }\n\n return result;\n}\n\nlibrary FixLib {\n /// Again, all arithmetic functions fail if and only if the result is out of bounds.\n\n /// Convert this fixed-point value to a uint. Round towards zero if needed.\n /// @return x\n // as-ints: x / 1e18\n function toUint(uint192 x) internal pure returns (uint136) {\n return toUint(x, FLOOR);\n }\n\n /// Convert this uint192 to a uint\n /// @return x\n // as-ints: x / 1e18 with rounding\n function toUint(uint192 x, RoundingMode rounding) internal pure returns (uint136) {\n return uint136(_divrnd(uint256(x), FIX_SCALE, rounding));\n }\n\n /// Return the uint192 shifted to the left by `decimal` digits\n /// (Similar to a bitshift but in base 10)\n /// @return x * 10**decimals\n // as-ints: x * 10**decimals\n function shiftl(uint192 x, int8 decimals) internal pure returns (uint192) {\n return shiftl(x, decimals, FLOOR);\n }\n\n /// Return the uint192 shifted to the left by `decimal` digits\n /// (Similar to a bitshift but in base 10)\n /// @return x * 10**decimals\n // as-ints: x * 10**decimals\n function shiftl(\n uint192 x,\n int8 decimals,\n RoundingMode rounding\n ) internal pure returns (uint192) {\n // Handle overflow cases\n if (x == 0) return 0;\n if (decimals <= -59) return (rounding == CEIL ? 1 : 0); // 59, because 1e58 > 2**192\n if (58 <= decimals) revert UIntOutOfBounds(); // 58, because x * 1e58 > 2 ** 192 if x != 0\n\n uint256 coeff = uint256(10**abs(decimals));\n return _safeWrap(decimals >= 0 ? x * coeff : _divrnd(x, coeff, rounding));\n }\n\n /// Add a uint192 to this uint192\n /// @return x + y\n // as-ints: x + y\n function plus(uint192 x, uint192 y) internal pure returns (uint192) {\n return x + y;\n }\n\n /// Add a uint to this uint192\n /// @return x + y\n // as-ints: x + y*1e18\n function plusu(uint192 x, uint256 y) internal pure returns (uint192) {\n return _safeWrap(x + y * FIX_SCALE);\n }\n\n /// Subtract a uint192 from this uint192\n /// @return x - y\n // as-ints: x - y\n function minus(uint192 x, uint192 y) internal pure returns (uint192) {\n return x - y;\n }\n\n /// Subtract a uint from this uint192\n /// @return x - y\n // as-ints: x - y*1e18\n function minusu(uint192 x, uint256 y) internal pure returns (uint192) {\n return _safeWrap(uint256(x) - uint256(y * FIX_SCALE));\n }\n\n /// Multiply this uint192 by a uint192\n /// Round truncated values to the nearest available value. 5e-19 rounds away from zero.\n /// @return x * y\n // as-ints: x * y/1e18 [division using ROUND, not FLOOR]\n function mul(uint192 x, uint192 y) internal pure returns (uint192) {\n return mul(x, y, ROUND);\n }\n\n /// Multiply this uint192 by a uint192\n /// @return x * y\n // as-ints: x * y/1e18\n function mul(\n uint192 x,\n uint192 y,\n RoundingMode rounding\n ) internal pure returns (uint192) {\n return _safeWrap(_divrnd(uint256(x) * uint256(y), FIX_SCALE, rounding));\n }\n\n /// Multiply this uint192 by a uint\n /// @return x * y\n // as-ints: x * y\n function mulu(uint192 x, uint256 y) internal pure returns (uint192) {\n return _safeWrap(x * y);\n }\n\n /// Divide this uint192 by a uint192\n /// @return x / y\n // as-ints: x * 1e18 / y\n function div(uint192 x, uint192 y) internal pure returns (uint192) {\n return div(x, y, FLOOR);\n }\n\n /// Divide this uint192 by a uint192\n /// @return x / y\n // as-ints: x * 1e18 / y\n function div(\n uint192 x,\n uint192 y,\n RoundingMode rounding\n ) internal pure returns (uint192) {\n // Multiply-in FIX_SCALE before dividing by y to preserve precision.\n return _safeWrap(_divrnd(uint256(x) * FIX_SCALE, y, rounding));\n }\n\n /// Divide this uint192 by a uint\n /// @return x / y\n // as-ints: x / y\n function divu(uint192 x, uint256 y) internal pure returns (uint192) {\n return divu(x, y, FLOOR);\n }\n\n /// Divide this uint192 by a uint\n /// @return x / y\n // as-ints: x / y\n function divu(\n uint192 x,\n uint256 y,\n RoundingMode rounding\n ) internal pure returns (uint192) {\n return _safeWrap(_divrnd(x, y, rounding));\n }\n\n uint64 constant FIX_HALF = uint64(FIX_SCALE) / 2;\n\n /// Raise this uint192 to a nonnegative integer power. Requires that x_ <= FIX_ONE\n /// Gas cost is O(lg(y)), precision is +- 1e-18.\n /// @return x_ ** y\n // as-ints: x_ ** y / 1e18**(y-1) <- technically correct for y = 0. :D\n function powu(uint192 x_, uint48 y) internal pure returns (uint192) {\n require(x_ <= FIX_ONE);\n if (y == 1) return x_;\n if (x_ == FIX_ONE || y == 0) return FIX_ONE;\n uint256 x = uint256(x_) * FIX_SCALE; // x is D36\n uint256 result = FIX_SCALE_SQ; // result is D36\n while (true) {\n if (y & 1 == 1) result = (result * x + FIX_SCALE_SQ / 2) / FIX_SCALE_SQ;\n if (y <= 1) break;\n y = (y >> 1);\n x = (x * x + FIX_SCALE_SQ / 2) / FIX_SCALE_SQ;\n }\n return _safeWrap(result / FIX_SCALE);\n }\n\n /// Comparison operators...\n function lt(uint192 x, uint192 y) internal pure returns (bool) {\n return x < y;\n }\n\n function lte(uint192 x, uint192 y) internal pure returns (bool) {\n return x <= y;\n }\n\n function gt(uint192 x, uint192 y) internal pure returns (bool) {\n return x > y;\n }\n\n function gte(uint192 x, uint192 y) internal pure returns (bool) {\n return x >= y;\n }\n\n function eq(uint192 x, uint192 y) internal pure returns (bool) {\n return x == y;\n }\n\n function neq(uint192 x, uint192 y) internal pure returns (bool) {\n return x != y;\n }\n\n /// Return whether or not this uint192 is less than epsilon away from y.\n /// @return |x - y| < epsilon\n // as-ints: |x - y| < epsilon\n function near(\n uint192 x,\n uint192 y,\n uint192 epsilon\n ) internal pure returns (bool) {\n uint192 diff = x <= y ? y - x : x - y;\n return diff < epsilon;\n }\n\n // ================ Chained Operations ================\n // The operation foo_bar() always means:\n // Do foo() followed by bar(), and overflow only if the _end_ result doesn't fit in an uint192\n\n /// Shift this uint192 left by `decimals` digits, and convert to a uint\n /// @return x * 10**decimals\n // as-ints: x * 10**(decimals - 18)\n function shiftl_toUint(uint192 x, int8 decimals) internal pure returns (uint256) {\n return shiftl_toUint(x, decimals, FLOOR);\n }\n\n /// Shift this uint192 left by `decimals` digits, and convert to a uint.\n /// @return x * 10**decimals\n // as-ints: x * 10**(decimals - 18)\n function shiftl_toUint(\n uint192 x,\n int8 decimals,\n RoundingMode rounding\n ) internal pure returns (uint256) {\n // Handle overflow cases\n if (x == 0) return 0; // always computable, no matter what decimals is\n if (decimals <= -42) return (rounding == CEIL ? 1 : 0);\n if (96 <= decimals) revert UIntOutOfBounds();\n\n decimals -= 18; // shift so that toUint happens at the same time.\n\n uint256 coeff = uint256(10**abs(decimals));\n return decimals >= 0 ? uint256(x * coeff) : uint256(_divrnd(x, coeff, rounding));\n }\n\n /// Multiply this uint192 by a uint, and output the result as a uint\n /// @return x * y\n // as-ints: x * y / 1e18\n function mulu_toUint(uint192 x, uint256 y) internal pure returns (uint256) {\n return mulDiv256(uint256(x), y, FIX_SCALE);\n }\n\n /// Multiply this uint192 by a uint, and output the result as a uint\n /// @return x * y\n // as-ints: x * y / 1e18\n function mulu_toUint(\n uint192 x,\n uint256 y,\n RoundingMode rounding\n ) internal pure returns (uint256) {\n return mulDiv256(uint256(x), y, FIX_SCALE, rounding);\n }\n\n /// Multiply this uint192 by a uint192 and output the result as a uint\n /// @return x * y\n // as-ints: x * y / 1e36\n function mul_toUint(uint192 x, uint192 y) internal pure returns (uint256) {\n return mulDiv256(uint256(x), uint256(y), FIX_SCALE_SQ);\n }\n\n /// Multiply this uint192 by a uint192 and output the result as a uint\n /// @return x * y\n // as-ints: x * y / 1e36\n function mul_toUint(\n uint192 x,\n uint192 y,\n RoundingMode rounding\n ) internal pure returns (uint256) {\n return mulDiv256(uint256(x), uint256(y), FIX_SCALE_SQ, rounding);\n }\n\n /// Compute x * y / z avoiding intermediate overflow\n /// @dev Only use if you need to avoid overflow; costlier than x * y / z\n /// @return x * y / z\n // as-ints: x * y / z\n function muluDivu(\n uint192 x,\n uint256 y,\n uint256 z\n ) internal pure returns (uint192) {\n return muluDivu(x, y, z, FLOOR);\n }\n\n /// Compute x * y / z, avoiding intermediate overflow\n /// @dev Only use if you need to avoid overflow; costlier than x * y / z\n /// @return x * y / z\n // as-ints: x * y / z\n function muluDivu(\n uint192 x,\n uint256 y,\n uint256 z,\n RoundingMode rounding\n ) internal pure returns (uint192) {\n return _safeWrap(mulDiv256(x, y, z, rounding));\n }\n\n /// Compute x * y / z on Fixes, avoiding intermediate overflow\n /// @dev Only use if you need to avoid overflow; costlier than x * y / z\n /// @return x * y / z\n // as-ints: x * y / z\n function mulDiv(\n uint192 x,\n uint192 y,\n uint192 z\n ) internal pure returns (uint192) {\n return mulDiv(x, y, z, FLOOR);\n }\n\n /// Compute x * y / z on Fixes, avoiding intermediate overflow\n /// @dev Only use if you need to avoid overflow; costlier than x * y / z\n /// @return x * y / z\n // as-ints: x * y / z\n function mulDiv(\n uint192 x,\n uint192 y,\n uint192 z,\n RoundingMode rounding\n ) internal pure returns (uint192) {\n return _safeWrap(mulDiv256(x, y, z, rounding));\n }\n}\n\n// ================ a couple pure-uint helpers================\n// as-ints comments are omitted here, because they're the same as @return statements, because\n// these are all pure uint functions\n\n/// Return (x*y/z), avoiding intermediate overflow.\n// Adapted from sources:\n// https://medium.com/coinmonks/4db014e080b1, https://medium.com/wicketh/afa55870a65\n// and quite a few of the other excellent \"Mathemagic\" posts from https://medium.com/wicketh\n/// @dev Only use if you need to avoid overflow; costlier than x * y / z\n/// @return result x * y / z\nfunction mulDiv256(\n uint256 x,\n uint256 y,\n uint256 z\n) pure returns (uint256 result) {\n unchecked {\n (uint256 hi, uint256 lo) = fullMul(x, y);\n if (hi >= z) revert UIntOutOfBounds();\n uint256 mm = mulmod(x, y, z);\n if (mm > lo) hi -= 1;\n lo -= mm;\n uint256 pow2 = z & (0 - z);\n z /= pow2;\n lo /= pow2;\n lo += hi * ((0 - pow2) / pow2 + 1);\n uint256 r = 1;\n r *= 2 - z * r;\n r *= 2 - z * r;\n r *= 2 - z * r;\n r *= 2 - z * r;\n r *= 2 - z * r;\n r *= 2 - z * r;\n r *= 2 - z * r;\n r *= 2 - z * r;\n result = lo * r;\n }\n}\n\n/// Return (x*y/z), avoiding intermediate overflow.\n/// @dev Only use if you need to avoid overflow; costlier than x * y / z\n/// @return x * y / z\nfunction mulDiv256(\n uint256 x,\n uint256 y,\n uint256 z,\n RoundingMode rounding\n) pure returns (uint256) {\n uint256 result = mulDiv256(x, y, z);\n if (rounding == FLOOR) return result;\n\n uint256 mm = mulmod(x, y, z);\n if (rounding == CEIL) {\n if (mm > 0) result += 1;\n } else {\n if (mm > ((z - 1) / 2)) result += 1; // z should be z-1\n }\n return result;\n}\n\n/// Return (x*y) as a \"virtual uint512\" (lo, hi), representing (hi*2**256 + lo)\n/// Adapted from sources:\n/// https://medium.com/wicketh/27650fec525d, https://medium.com/coinmonks/4db014e080b1\n/// @dev Intended to be internal to this library\n/// @return hi (hi, lo) satisfies hi*(2**256) + lo == x * y\n/// @return lo (paired with `hi`)\nfunction fullMul(uint256 x, uint256 y) pure returns (uint256 hi, uint256 lo) {\n unchecked {\n uint256 mm = mulmod(x, y, uint256(0) - uint256(1));\n lo = x * y;\n hi = mm - lo;\n if (mm < lo) hi -= 1;\n }\n}\n"},{"file_path":"/IVersioned.sol","source_code":"// SPDX-License-Identifier: BlueOak-1.0.0\npragma solidity 0.8.17;\n\ninterface IVersioned {\n function version() external view returns (string memory);\n}\n"},{"file_path":"/IStRSR.sol","source_code":"// SPDX-License-Identifier: BlueOak-1.0.0\npragma solidity 0.8.17;\n\nimport \"@openzeppelin/contracts-upgradeable/token/ERC20/extensions/IERC20MetadataUpgradeable.sol\";\n// solhint-disable-next-line max-line-length\nimport \"@openzeppelin/contracts-upgradeable/token/ERC20/extensions/draft-IERC20PermitUpgradeable.sol\";\nimport \"../libraries/Fixed.sol\";\nimport \"./IComponent.sol\";\nimport \"./IMain.sol\";\n\n/**\n * @title IStRSR\n * @notice An ERC20 token representing shares of the RSR over-collateralization pool.\n *\n * StRSR permits the BackingManager to take RSR in times of need. In return, the BackingManager\n * benefits the StRSR pool with RSR rewards purchased with a portion of its revenue.\n *\n * In the absence of collateral default or losses due to slippage, StRSR should have a\n * monotonically increasing exchange rate with respect to RSR, meaning that over time\n * StRSR is redeemable for more RSR. It is non-rebasing.\n */\ninterface IStRSR is IERC20MetadataUpgradeable, IERC20PermitUpgradeable, IComponent {\n /// Emitted when RSR is staked\n /// @param era The era at time of staking\n /// @param staker The address of the staker\n /// @param rsrAmount {qRSR} How much RSR was staked\n /// @param stRSRAmount {qStRSR} How much stRSR was minted by this staking\n event Staked(\n uint256 indexed era,\n address indexed staker,\n uint256 rsrAmount,\n uint256 indexed stRSRAmount\n );\n\n /// Emitted when an unstaking is started\n /// @param draftId The id of the draft.\n /// @param draftEra The era of the draft.\n /// @param staker The address of the unstaker\n /// The triple (staker, draftEra, draftId) is a unique ID\n /// @param rsrAmount {qRSR} How much RSR this unstaking will be worth, absent seizures\n /// @param stRSRAmount {qStRSR} How much stRSR was burned by this unstaking\n event UnstakingStarted(\n uint256 indexed draftId,\n uint256 indexed draftEra,\n address indexed staker,\n uint256 rsrAmount,\n uint256 stRSRAmount,\n uint256 availableAt\n );\n\n /// Emitted when RSR is unstaked\n /// @param firstId The beginning of the range of draft IDs withdrawn in this transaction\n /// @param endId The end of range of draft IDs withdrawn in this transaction\n /// (ID i was withdrawn if firstId <= i < endId)\n /// @param draftEra The era of the draft.\n /// The triple (staker, draftEra, id) is a unique ID among drafts\n /// @param staker The address of the unstaker\n\n /// @param rsrAmount {qRSR} How much RSR this unstaking was worth\n event UnstakingCompleted(\n uint256 indexed firstId,\n uint256 indexed endId,\n uint256 draftEra,\n address indexed staker,\n uint256 rsrAmount\n );\n\n /// Emitted whenever the exchange rate changes\n event ExchangeRateSet(uint192 indexed oldVal, uint192 indexed newVal);\n\n /// Emitted whenever RSR are paids out\n event RewardsPaid(uint256 indexed rsrAmt);\n\n /// Emitted if all the RSR in the staking pool is seized and all balances are reset to zero.\n event AllBalancesReset(uint256 indexed newEra);\n /// Emitted if all the RSR in the unstakin pool is seized, and all ongoing unstaking is voided.\n event AllUnstakingReset(uint256 indexed newEra);\n\n event UnstakingDelaySet(uint48 indexed oldVal, uint48 indexed newVal);\n event RewardRatioSet(uint192 indexed oldVal, uint192 indexed newVal);\n\n // Initialization\n function init(\n IMain main_,\n string memory name_,\n string memory symbol_,\n uint48 unstakingDelay_,\n uint192 rewardRatio_\n ) external;\n\n /// Gather and payout rewards from rsrTrader\n /// @custom:interaction\n function payoutRewards() external;\n\n /// Stakes an RSR `amount` on the corresponding RToken to earn yield and over-collateralized\n /// the system\n /// @param amount {qRSR}\n /// @custom:interaction\n function stake(uint256 amount) external;\n\n /// Begins a delayed unstaking for `amount` stRSR\n /// @param amount {qStRSR}\n /// @custom:interaction\n function unstake(uint256 amount) external;\n\n /// Complete delayed unstaking for the account, up to (but not including!) `endId`\n /// @custom:interaction\n function withdraw(address account, uint256 endId) external;\n\n /// Seize RSR, only callable by main.backingManager()\n /// @custom:protected\n function seizeRSR(uint256 amount) external;\n\n /// Return the maximum valid value of endId such that withdraw(endId) should immediately work\n function endIdForWithdraw(address account) external view returns (uint256 endId);\n\n /// @return {qRSR/qStRSR} The exchange rate between RSR and StRSR\n function exchangeRate() external view returns (uint192);\n}\n\ninterface TestIStRSR is IStRSR {\n function rewardRatio() external view returns (uint192);\n\n function setRewardRatio(uint192) external;\n\n function unstakingDelay() external view returns (uint48);\n\n function setUnstakingDelay(uint48) external;\n\n function increaseAllowance(address, uint256) external returns (bool);\n\n function decreaseAllowance(address, uint256) external returns (bool);\n\n /// @return {qStRSR/qRSR} The exchange rate between StRSR and RSR\n function exchangeRate() external view returns (uint192);\n}\n"},{"file_path":"/ERC165Upgradeable.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC165Upgradeable.sol\";\nimport \"../../proxy/utils/Initializable.sol\";\n\n/**\n * @dev Implementation of the {IERC165} interface.\n *\n * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check\n * for the additional interface id that will be supported. For example:\n *\n * ```solidity\n * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);\n * }\n * ```\n *\n * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.\n */\nabstract contract ERC165Upgradeable is Initializable, IERC165Upgradeable {\n function __ERC165_init() internal onlyInitializing {\n }\n\n function __ERC165_init_unchained() internal onlyInitializing {\n }\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n return interfaceId == type(IERC165Upgradeable).interfaceId;\n }\n\n /**\n * @dev This empty reserved space is put in place to allow future versions to add new\n * variables without shifting down storage in the inheritance chain.\n * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n */\n uint256[50] private __gap;\n}\n"},{"file_path":"/ContextUpgradeable.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)\n\npragma solidity ^0.8.0;\nimport \"../proxy/utils/Initializable.sol\";\n\n/**\n * @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n *\n * This contract is only required for intermediate, library-like contracts.\n */\nabstract contract ContextUpgradeable is Initializable {\n function __Context_init() internal onlyInitializing {\n }\n\n function __Context_init_unchained() internal onlyInitializing {\n }\n function _msgSender() internal view virtual returns (address) {\n return msg.sender;\n }\n\n function _msgData() internal view virtual returns (bytes calldata) {\n return msg.data;\n }\n\n /**\n * @dev This empty reserved space is put in place to allow future versions to add new\n * variables without shifting down storage in the inheritance chain.\n * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n */\n uint256[50] private __gap;\n}\n"},{"file_path":"/IERC20Upgradeable.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC20 standard as defined in the EIP.\n */\ninterface IERC20Upgradeable {\n /**\n * @dev Emitted when `value` tokens are moved from one account (`from`) to\n * another (`to`).\n *\n * Note that `value` may be zero.\n */\n event Transfer(address indexed from, address indexed to, uint256 value);\n\n /**\n * @dev Emitted when the allowance of a `spender` for an `owner` is set by\n * a call to {approve}. `value` is the new allowance.\n */\n event Approval(address indexed owner, address indexed spender, uint256 value);\n\n /**\n * @dev Returns the amount of tokens in existence.\n */\n function totalSupply() external view returns (uint256);\n\n /**\n * @dev Returns the amount of tokens owned by `account`.\n */\n function balanceOf(address account) external view returns (uint256);\n\n /**\n * @dev Moves `amount` tokens from the caller's account to `to`.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transfer(address to, uint256 amount) external returns (bool);\n\n /**\n * @dev Returns the remaining number of tokens that `spender` will be\n * allowed to spend on behalf of `owner` through {transferFrom}. This is\n * zero by default.\n *\n * This value changes when {approve} or {transferFrom} are called.\n */\n function allowance(address owner, address spender) external view returns (uint256);\n\n /**\n * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * IMPORTANT: Beware that changing an allowance with this method brings the risk\n * that someone may use both the old and the new allowance by unfortunate\n * transaction ordering. One possible solution to mitigate this race\n * condition is to first reduce the spender's allowance to 0 and set the\n * desired value afterwards:\n * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n *\n * Emits an {Approval} event.\n */\n function approve(address spender, uint256 amount) external returns (bool);\n\n /**\n * @dev Moves `amount` tokens from `from` to `to` using the\n * allowance mechanism. `amount` is then deducted from the caller's\n * allowance.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(\n address from,\n address to,\n uint256 amount\n ) external returns (bool);\n}\n"},{"file_path":"/extensions/IERC20MetadataUpgradeable.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC20Upgradeable.sol\";\n\n/**\n * @dev Interface for the optional metadata functions from the ERC20 standard.\n *\n * _Available since v4.1._\n */\ninterface IERC20MetadataUpgradeable is IERC20Upgradeable {\n /**\n * @dev Returns the name of the token.\n */\n function name() external view returns (string memory);\n\n /**\n * @dev Returns the symbol of the token.\n */\n function symbol() external view returns (string memory);\n\n /**\n * @dev Returns the decimals places of the token.\n */\n function decimals() external view returns (uint8);\n}\n"},{"file_path":"/IRToken.sol","source_code":"// SPDX-License-Identifier: BlueOak-1.0.0\npragma solidity 0.8.17;\n\nimport \"@openzeppelin/contracts-upgradeable/token/ERC20/extensions/IERC20MetadataUpgradeable.sol\";\n// solhint-disable-next-line max-line-length\nimport \"@openzeppelin/contracts-upgradeable/token/ERC20/extensions/draft-IERC20PermitUpgradeable.sol\";\nimport \"../libraries/Fixed.sol\";\nimport \"../libraries/Throttle.sol\";\nimport \"./IAsset.sol\";\nimport \"./IComponent.sol\";\nimport \"./IMain.sol\";\nimport \"./IRewardable.sol\";\n\n/**\n * @title IRToken\n * @notice An RToken is an ERC20 that is permissionlessly issuable/redeemable and tracks an\n * exchange rate against a single unit: baskets, or {BU} in our type notation.\n */\ninterface IRToken is IComponent, IERC20MetadataUpgradeable, IERC20PermitUpgradeable {\n /// Emitted when an issuance of RToken occurs, whether it occurs via slow minting or not\n /// @param issuer The address holding collateral tokens\n /// @param recipient The address of the recipient of the RTokens\n /// @param amount The quantity of RToken being issued\n /// @param baskets The corresponding number of baskets\n event Issuance(\n address indexed issuer,\n address indexed recipient,\n uint256 indexed amount,\n uint192 baskets\n );\n\n /// Emitted when a redemption of RToken occurs\n /// @param redeemer The address holding RToken\n /// @param recipient The address of the account receiving the backing collateral tokens\n /// @param amount The quantity of RToken being redeemed\n /// @param baskets The corresponding number of baskets\n /// @param amount {qRTok} The amount of RTokens canceled\n event Redemption(\n address indexed redeemer,\n address indexed recipient,\n uint256 indexed amount,\n uint192 baskets\n );\n\n /// Emitted when the number of baskets needed changes\n /// @param oldBasketsNeeded Previous number of baskets units needed\n /// @param newBasketsNeeded New number of basket units needed\n event BasketsNeededChanged(uint192 oldBasketsNeeded, uint192 newBasketsNeeded);\n\n /// Emitted when RToken is melted, i.e the RToken supply is decreased but basketsNeeded is not\n /// @param amount {qRTok}\n event Melted(uint256 amount);\n\n /// Emitted when issuance SupplyThrottle params are set\n event IssuanceThrottleSet(ThrottleLib.Params oldVal, ThrottleLib.Params newVal);\n\n /// Emitted when redemption SupplyThrottle params are set\n event RedemptionThrottleSet(ThrottleLib.Params oldVal, ThrottleLib.Params newVal);\n\n // Initialization\n function init(\n IMain main_,\n string memory name_,\n string memory symbol_,\n string memory mandate_,\n ThrottleLib.Params calldata issuanceThrottleParams,\n ThrottleLib.Params calldata redemptionThrottleParams\n ) external;\n\n /// Issue an RToken with basket collateral\n /// @param amount {qRTok} The quantity of RToken to issue\n /// @custom:interaction\n function issue(uint256 amount) external;\n\n /// Issue an RToken with basket collateral, to a particular recipient\n /// @param recipient The address to receive the issued RTokens\n /// @param amount {qRTok} The quantity of RToken to issue\n /// @custom:interaction\n function issueTo(address recipient, uint256 amount) external;\n\n /// Redeem RToken for basket collateral\n /// @param amount {qRTok} The quantity {qRToken} of RToken to redeem\n /// @param basketNonce The nonce of the basket the redemption should be from; else reverts\n /// @custom:interaction\n function redeem(uint256 amount, uint48 basketNonce) external;\n\n /// Redeem RToken for basket collateral to a particular recipient\n /// @param recipient The address to receive the backing collateral tokens\n /// @param amount {qRTok} The quantity {qRToken} of RToken to redeem\n /// @param basketNonce The nonce of the basket the redemption should be from; else reverts\n /// @custom:interaction\n function redeemTo(\n address recipient,\n uint256 amount,\n uint48 basketNonce\n ) external;\n\n /// Mints a quantity of RToken to the `recipient`, callable only by the BackingManager\n /// @param recipient The recipient of the newly minted RToken\n /// @param amount {qRTok} The amount to be minted\n /// @custom:protected\n function mint(address recipient, uint256 amount) external;\n\n /// Melt a quantity of RToken from the caller's account\n /// @param amount {qRTok} The amount to be melted\n function melt(uint256 amount) external;\n\n /// Set the number of baskets needed directly, callable only by the BackingManager\n /// @param basketsNeeded {BU} The number of baskets to target\n /// needed range: pretty interesting\n /// @custom:protected\n function setBasketsNeeded(uint192 basketsNeeded) external;\n\n /// @return {BU} How many baskets are being targeted\n function basketsNeeded() external view returns (uint192);\n\n /// @return {qRTok} The maximum issuance that can be performed in the current block\n function issuanceAvailable() external view returns (uint256);\n\n /// @return {qRTok} The maximum redemption that can be performed in the current block\n function redemptionAvailable() external view returns (uint256);\n}\n\ninterface TestIRToken is IRToken {\n function setIssuanceThrottleParams(ThrottleLib.Params calldata) external;\n\n function setRedemptionThrottleParams(ThrottleLib.Params calldata) external;\n\n function issuanceThrottleParams() external view returns (ThrottleLib.Params memory);\n\n function redemptionThrottleParams() external view returns (ThrottleLib.Params memory);\n\n function increaseAllowance(address, uint256) external returns (bool);\n\n function decreaseAllowance(address, uint256) external returns (bool);\n\n function monetizeDonations(IERC20) external;\n}\n"},{"file_path":"/IMain.sol","source_code":"// SPDX-License-Identifier: BlueOak-1.0.0\npragma solidity 0.8.17;\n\nimport \"@openzeppelin/contracts-upgradeable/access/IAccessControlUpgradeable.sol\";\nimport \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\nimport \"./IAssetRegistry.sol\";\nimport \"./IBasketHandler.sol\";\nimport \"./IBackingManager.sol\";\nimport \"./IBroker.sol\";\nimport \"./IGnosis.sol\";\nimport \"./IFurnace.sol\";\nimport \"./IDistributor.sol\";\nimport \"./IRToken.sol\";\nimport \"./IRevenueTrader.sol\";\nimport \"./IStRSR.sol\";\nimport \"./ITrading.sol\";\nimport \"./IVersioned.sol\";\n\n// === Auth roles ===\n\nbytes32 constant OWNER = bytes32(bytes(\"OWNER\"));\nbytes32 constant SHORT_FREEZER = bytes32(bytes(\"SHORT_FREEZER\"));\nbytes32 constant LONG_FREEZER = bytes32(bytes(\"LONG_FREEZER\"));\nbytes32 constant PAUSER = bytes32(bytes(\"PAUSER\"));\n\n/**\n * Main is a central hub that maintains a list of Component contracts.\n *\n * Components:\n * - perform a specific function\n * - defer auth to Main\n * - usually (but not always) contain sizeable state that require a proxy\n */\nstruct Components {\n // Definitely need proxy\n IRToken rToken;\n IStRSR stRSR;\n IAssetRegistry assetRegistry;\n IBasketHandler basketHandler;\n IBackingManager backingManager;\n IDistributor distributor;\n IFurnace furnace;\n IBroker broker;\n IRevenueTrader rsrTrader;\n IRevenueTrader rTokenTrader;\n}\n\ninterface IAuth is IAccessControlUpgradeable {\n /// Emitted when `unfreezeAt` is changed\n /// @param oldVal The old value of `unfreezeAt`\n /// @param newVal The new value of `unfreezeAt`\n event UnfreezeAtSet(uint48 indexed oldVal, uint48 indexed newVal);\n\n /// Emitted when the short freeze duration governance param is changed\n /// @param oldDuration The old short freeze duration\n /// @param newDuration The new short freeze duration\n event ShortFreezeDurationSet(uint48 indexed oldDuration, uint48 indexed newDuration);\n\n /// Emitted when the long freeze duration governance param is changed\n /// @param oldDuration The old long freeze duration\n /// @param newDuration The new long freeze duration\n event LongFreezeDurationSet(uint48 indexed oldDuration, uint48 indexed newDuration);\n\n /// Emitted when the system is paused or unpaused\n /// @param oldVal The old value of `paused`\n /// @param newVal The new value of `paused`\n event PausedSet(bool indexed oldVal, bool indexed newVal);\n\n /**\n * Paused: Disable everything except for OWNER actions, RToken.redeem, StRSR.stake,\n * and StRSR.payoutRewards\n * Frozen: Disable everything except for OWNER actions + StRSR.stake (for governance)\n */\n\n function pausedOrFrozen() external view returns (bool);\n\n function frozen() external view returns (bool);\n\n function shortFreeze() external view returns (uint48);\n\n function longFreeze() external view returns (uint48);\n\n // ====\n\n // onlyRole(OWNER)\n function freezeForever() external;\n\n // onlyRole(SHORT_FREEZER)\n function freezeShort() external;\n\n // onlyRole(LONG_FREEZER)\n function freezeLong() external;\n\n // onlyRole(OWNER)\n function unfreeze() external;\n\n function pause() external;\n\n function unpause() external;\n}\n\ninterface IComponentRegistry {\n // === Component setters/getters ===\n\n event RTokenSet(IRToken indexed oldVal, IRToken indexed newVal);\n\n function rToken() external view returns (IRToken);\n\n event StRSRSet(IStRSR indexed oldVal, IStRSR indexed newVal);\n\n function stRSR() external view returns (IStRSR);\n\n event AssetRegistrySet(IAssetRegistry indexed oldVal, IAssetRegistry indexed newVal);\n\n function assetRegistry() external view returns (IAssetRegistry);\n\n event BasketHandlerSet(IBasketHandler indexed oldVal, IBasketHandler indexed newVal);\n\n function basketHandler() external view returns (IBasketHandler);\n\n event BackingManagerSet(IBackingManager indexed oldVal, IBackingManager indexed newVal);\n\n function backingManager() external view returns (IBackingManager);\n\n event DistributorSet(IDistributor indexed oldVal, IDistributor indexed newVal);\n\n function distributor() external view returns (IDistributor);\n\n event RSRTraderSet(IRevenueTrader indexed oldVal, IRevenueTrader indexed newVal);\n\n function rsrTrader() external view returns (IRevenueTrader);\n\n event RTokenTraderSet(IRevenueTrader indexed oldVal, IRevenueTrader indexed newVal);\n\n function rTokenTrader() external view returns (IRevenueTrader);\n\n event FurnaceSet(IFurnace indexed oldVal, IFurnace indexed newVal);\n\n function furnace() external view returns (IFurnace);\n\n event BrokerSet(IBroker indexed oldVal, IBroker indexed newVal);\n\n function broker() external view returns (IBroker);\n}\n\n/**\n * @title IMain\n * @notice The central hub for the entire system. Maintains components and an owner singleton role\n */\ninterface IMain is IVersioned, IAuth, IComponentRegistry {\n function poke() external; // not used in p1\n\n // === Initialization ===\n\n event MainInitialized();\n\n function init(\n Components memory components,\n IERC20 rsr_,\n uint48 shortFreeze_,\n uint48 longFreeze_\n ) external;\n\n function rsr() external view returns (IERC20);\n}\n\ninterface TestIMain is IMain {\n /// @custom:governance\n function setShortFreeze(uint48) external;\n\n /// @custom:governance\n function setLongFreeze(uint48) external;\n\n function shortFreeze() external view returns (uint48);\n\n function longFreeze() external view returns (uint48);\n\n function longFreezes(address account) external view returns (uint256);\n\n function paused() external view returns (bool);\n}\n"},{"file_path":"/IFurnace.sol","source_code":"// SPDX-License-Identifier: BlueOak-1.0.0\npragma solidity 0.8.17;\n\nimport \"../libraries/Fixed.sol\";\nimport \"./IComponent.sol\";\n\n/**\n * @title IFurnace\n * @notice A helper contract to burn RTokens slowly and permisionlessly.\n */\ninterface IFurnace is IComponent {\n // Initialization\n function init(IMain main_, uint192 ratio_) external;\n\n /// Emitted when the melting ratio is changed\n /// @param oldRatio The old ratio\n /// @param newRatio The new ratio\n event RatioSet(uint192 indexed oldRatio, uint192 indexed newRatio);\n\n function ratio() external view returns (uint192);\n\n /// Needed value range: [0, 1], granularity 1e-9\n /// @custom:governance\n function setRatio(uint192) external;\n\n /// Performs any RToken melting that has vested since the last payout.\n /// @custom:refresher\n function melt() external;\n}\n\ninterface TestIFurnace is IFurnace {\n function lastPayout() external view returns (uint256);\n\n function lastPayoutBal() external view returns (uint256);\n}\n"},{"file_path":"/IAsset.sol","source_code":"// SPDX-License-Identifier: BlueOak-1.0.0\npragma solidity 0.8.17;\n\nimport \"@chainlink/contracts/src/v0.8/interfaces/AggregatorV3Interface.sol\";\nimport \"@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol\";\nimport \"../libraries/Fixed.sol\";\nimport \"./IMain.sol\";\nimport \"./IRewardable.sol\";\n\n/**\n * @title IAsset\n * @notice Supertype. Any token that interacts with our system must be wrapped in an asset,\n * whether it is used as RToken backing or not. Any token that can report a price in the UoA\n * is eligible to be an asset.\n */\ninterface IAsset is IRewardable {\n /// Refresh saved price\n /// The Reserve protocol calls this at least once per transaction, before relying on\n /// the Asset's other functions.\n /// @dev Called immediately after deployment, before use\n function refresh() external;\n\n /// Should not revert\n /// @return low {UoA/tok} The lower end of the price estimate\n /// @return high {UoA/tok} The upper end of the price estimate\n function price() external view returns (uint192 low, uint192 high);\n\n /// Should not revert\n /// lotLow should be nonzero when the asset might be worth selling\n /// @return lotLow {UoA/tok} The lower end of the lot price estimate\n /// @return lotHigh {UoA/tok} The upper end of the lot price estimate\n function lotPrice() external view returns (uint192 lotLow, uint192 lotHigh);\n\n /// @return {tok} The balance of the ERC20 in whole tokens\n function bal(address account) external view returns (uint192);\n\n /// @return The ERC20 contract of the token with decimals() available\n function erc20() external view returns (IERC20Metadata);\n\n /// @return The number of decimals in the ERC20; just for gas optimization\n function erc20Decimals() external view returns (uint8);\n\n /// @return If the asset is an instance of ICollateral or not\n function isCollateral() external view returns (bool);\n\n /// @param {UoA} The max trade volume, in UoA\n function maxTradeVolume() external view returns (uint192);\n}\n\ninterface TestIAsset is IAsset {\n function chainlinkFeed() external view returns (AggregatorV3Interface);\n}\n\n/// CollateralStatus must obey a linear ordering. That is:\n/// - being DISABLED is worse than being IFFY, or SOUND\n/// - being IFFY is worse than being SOUND.\nenum CollateralStatus {\n SOUND,\n IFFY, // When a peg is not holding or a chainlink feed is stale\n DISABLED // When the collateral has completely defaulted\n}\n\n/// Upgrade-safe maximum operator for CollateralStatus\nlibrary CollateralStatusComparator {\n /// @return Whether a is worse than b\n function worseThan(CollateralStatus a, CollateralStatus b) internal pure returns (bool) {\n return uint256(a) > uint256(b);\n }\n}\n\n/**\n * @title ICollateral\n * @notice A subtype of Asset that consists of the tokens eligible to back the RToken.\n */\ninterface ICollateral is IAsset {\n /// Emitted whenever the collateral status is changed\n /// @param newStatus The old CollateralStatus\n /// @param newStatus The updated CollateralStatus\n event CollateralStatusChanged(\n CollateralStatus indexed oldStatus,\n CollateralStatus indexed newStatus\n );\n\n /// @dev refresh()\n /// Refresh exchange rates and update default status.\n /// VERY IMPORTANT: In any valid implemntation, status() MUST become DISABLED in refresh() if\n /// refPerTok() has ever decreased since last call.\n\n /// @return The canonical name of this collateral's target unit.\n function targetName() external view returns (bytes32);\n\n /// @return The status of this collateral asset. (Is it defaulting? Might it soon?)\n function status() external view returns (CollateralStatus);\n\n // ==== Exchange Rates ====\n\n /// @return {ref/tok} Quantity of whole reference units per whole collateral tokens\n function refPerTok() external view returns (uint192);\n\n /// @return {target/ref} Quantity of whole target units per whole reference unit in the peg\n function targetPerRef() external view returns (uint192);\n}\n"},{"file_path":"/IERC20.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC20 standard as defined in the EIP.\n */\ninterface IERC20 {\n /**\n * @dev Emitted when `value` tokens are moved from one account (`from`) to\n * another (`to`).\n *\n * Note that `value` may be zero.\n */\n event Transfer(address indexed from, address indexed to, uint256 value);\n\n /**\n * @dev Emitted when the allowance of a `spender` for an `owner` is set by\n * a call to {approve}. `value` is the new allowance.\n */\n event Approval(address indexed owner, address indexed spender, uint256 value);\n\n /**\n * @dev Returns the amount of tokens in existence.\n */\n function totalSupply() external view returns (uint256);\n\n /**\n * @dev Returns the amount of tokens owned by `account`.\n */\n function balanceOf(address account) external view returns (uint256);\n\n /**\n * @dev Moves `amount` tokens from the caller's account to `to`.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transfer(address to, uint256 amount) external returns (bool);\n\n /**\n * @dev Returns the remaining number of tokens that `spender` will be\n * allowed to spend on behalf of `owner` through {transferFrom}. This is\n * zero by default.\n *\n * This value changes when {approve} or {transferFrom} are called.\n */\n function allowance(address owner, address spender) external view returns (uint256);\n\n /**\n * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * IMPORTANT: Beware that changing an allowance with this method brings the risk\n * that someone may use both the old and the new allowance by unfortunate\n * transaction ordering. One possible solution to mitigate this race\n * condition is to first reduce the spender's allowance to 0 and set the\n * desired value afterwards:\n * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n *\n * Emits an {Approval} event.\n */\n function approve(address spender, uint256 amount) external returns (bool);\n\n /**\n * @dev Moves `amount` tokens from `from` to `to` using the\n * allowance mechanism. `amount` is then deducted from the caller's\n * allowance.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(\n address from,\n address to,\n uint256 amount\n ) external returns (bool);\n}\n"},{"file_path":"/OwnableUpgradeable.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/ContextUpgradeable.sol\";\nimport \"../proxy/utils/Initializable.sol\";\n\n/**\n * @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n *\n * By default, the owner account will be the one that deploys the contract. This\n * can later be changed with {transferOwnership}.\n *\n * This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be applied to your functions to restrict their use to\n * the owner.\n */\nabstract contract OwnableUpgradeable is Initializable, ContextUpgradeable {\n address private _owner;\n\n event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n /**\n * @dev Initializes the contract setting the deployer as the initial owner.\n */\n function __Ownable_init() internal onlyInitializing {\n __Ownable_init_unchained();\n }\n\n function __Ownable_init_unchained() internal onlyInitializing {\n _transferOwnership(_msgSender());\n }\n\n /**\n * @dev Throws if called by any account other than the owner.\n */\n modifier onlyOwner() {\n _checkOwner();\n _;\n }\n\n /**\n * @dev Returns the address of the current owner.\n */\n function owner() public view virtual returns (address) {\n return _owner;\n }\n\n /**\n * @dev Throws if the sender is not the owner.\n */\n function _checkOwner() internal view virtual {\n require(owner() == _msgSender(), \"Ownable: caller is not the owner\");\n }\n\n /**\n * @dev Leaves the contract without owner. It will not be possible to call\n * `onlyOwner` functions anymore. Can only be called by the current owner.\n *\n * NOTE: Renouncing ownership will leave the contract without an owner,\n * thereby removing any functionality that is only available to the owner.\n */\n function renounceOwnership() public virtual onlyOwner {\n _transferOwnership(address(0));\n }\n\n /**\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Can only be called by the current owner.\n */\n function transferOwnership(address newOwner) public virtual onlyOwner {\n require(newOwner != address(0), \"Ownable: new owner is the zero address\");\n _transferOwnership(newOwner);\n }\n\n /**\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Internal function without access restriction.\n */\n function _transferOwnership(address newOwner) internal virtual {\n address oldOwner = _owner;\n _owner = newOwner;\n emit OwnershipTransferred(oldOwner, newOwner);\n }\n\n /**\n * @dev This empty reserved space is put in place to allow future versions to add new\n * variables without shifting down storage in the inheritance chain.\n * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n */\n uint256[49] private __gap;\n}\n"},{"file_path":"/ITrading.sol","source_code":"// SPDX-License-Identifier: BlueOak-1.0.0\npragma solidity 0.8.17;\n\nimport \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\nimport \"../libraries/Fixed.sol\";\nimport \"./IAsset.sol\";\nimport \"./IComponent.sol\";\nimport \"./ITrade.sol\";\nimport \"./IRewardable.sol\";\n\n/**\n * @title ITrading\n * @notice Common events and refresher function for all Trading contracts\n */\ninterface ITrading is IComponent, IRewardableComponent {\n event MaxTradeSlippageSet(uint192 indexed oldVal, uint192 indexed newVal);\n event MinTradeVolumeSet(uint192 indexed oldVal, uint192 indexed newVal);\n\n /// Emitted when a trade is started\n /// @param trade The one-time-use trade contract that was just deployed\n /// @param sell The token to sell\n /// @param buy The token to buy\n /// @param sellAmount {qSellTok} The quantity of the selling token\n /// @param minBuyAmount {qBuyTok} The minimum quantity of the buying token to accept\n event TradeStarted(\n ITrade indexed trade,\n IERC20 indexed sell,\n IERC20 indexed buy,\n uint256 sellAmount,\n uint256 minBuyAmount\n );\n\n /// Emitted after a trade ends\n /// @param trade The one-time-use trade contract\n /// @param sell The token to sell\n /// @param buy The token to buy\n /// @param sellAmount {qSellTok} The quantity of the token sold\n /// @param buyAmount {qBuyTok} The quantity of the token bought\n event TradeSettled(\n ITrade indexed trade,\n IERC20 indexed sell,\n IERC20 indexed buy,\n uint256 sellAmount,\n uint256 buyAmount\n );\n\n /// Settle a single trade, expected to be used with multicall for efficient mass settlement\n /// @custom:refresher\n function settleTrade(IERC20 sell) external;\n\n /// @return {%} The maximum trade slippage acceptable\n function maxTradeSlippage() external view returns (uint192);\n\n /// @return {UoA} The minimum trade volume in UoA, applies to all assets\n function minTradeVolume() external view returns (uint192);\n\n /// @return The ongoing trade for a sell token, or the zero address\n function trades(IERC20 sell) external view returns (ITrade);\n\n /// Light wrapper around FixLib.mulDiv to support try-catch\n function mulDivCeil(\n uint192 x,\n uint192 y,\n uint192 z\n ) external pure returns (uint192);\n}\n\ninterface TestITrading is ITrading {\n /// @custom:governance\n function setMaxTradeSlippage(uint192 val) external;\n\n /// @custom:governance\n function setMinTradeVolume(uint192 val) external;\n\n /// @return The number of ongoing trades open\n function tradesOpen() external view returns (uint48);\n}\n"},{"file_path":"/IAssetRegistry.sol","source_code":"// SPDX-License-Identifier: BlueOak-1.0.0\npragma solidity 0.8.17;\n\nimport \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\nimport \"./IAsset.sol\";\nimport \"./IComponent.sol\";\n\n/// A serialization of the AssetRegistry to be passed around in the P1 impl for gas optimization\nstruct Registry {\n IERC20[] erc20s;\n IAsset[] assets;\n}\n\n/**\n * @title IAssetRegistry\n * @notice The AssetRegistry is in charge of maintaining the ERC20 tokens eligible\n * to be handled by the rest of the system. If an asset is in the registry, this means:\n * 1. Its ERC20 contract has been vetted\n * 2. The asset is the only asset for that ERC20\n * 3. The asset can be priced in the UoA, usually via an oracle\n */\ninterface IAssetRegistry is IComponent {\n /// Emitted when an asset is added to the registry\n /// @param erc20 The ERC20 contract for the asset\n /// @param asset The asset contract added to the registry\n event AssetRegistered(IERC20 indexed erc20, IAsset indexed asset);\n\n /// Emitted when an asset is removed from the registry\n /// @param erc20 The ERC20 contract for the asset\n /// @param asset The asset contract removed from the registry\n event AssetUnregistered(IERC20 indexed erc20, IAsset indexed asset);\n\n // Initialization\n function init(IMain main_, IAsset[] memory assets_) external;\n\n /// Fully refresh all asset state\n /// @custom:interaction\n function refresh() external;\n\n /// @return The corresponding asset for ERC20, or reverts if not registered\n function toAsset(IERC20 erc20) external view returns (IAsset);\n\n /// @return The corresponding collateral, or reverts if unregistered or not collateral\n function toColl(IERC20 erc20) external view returns (ICollateral);\n\n /// @return If the ERC20 is registered\n function isRegistered(IERC20 erc20) external view returns (bool);\n\n /// @return A list of all registered ERC20s\n function erc20s() external view returns (IERC20[] memory);\n\n /// @return reg The list of registered ERC20s and Assets, in the same order\n function getRegistry() external view returns (Registry memory reg);\n\n function register(IAsset asset) external returns (bool);\n\n function swapRegistered(IAsset asset) external returns (bool swapped);\n\n function unregister(IAsset asset) external;\n}\n"},{"file_path":"/extensions/IERC20Metadata.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC20.sol\";\n\n/**\n * @dev Interface for the optional metadata functions from the ERC20 standard.\n *\n * _Available since v4.1._\n */\ninterface IERC20Metadata is IERC20 {\n /**\n * @dev Returns the name of the token.\n */\n function name() external view returns (string memory);\n\n /**\n * @dev Returns the symbol of the token.\n */\n function symbol() external view returns (string memory);\n\n /**\n * @dev Returns the decimals places of the token.\n */\n function decimals() external view returns (uint8);\n}\n"},{"file_path":"/AddressUpgradeable.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol)\n\npragma solidity ^0.8.1;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary AddressUpgradeable {\n /**\n * @dev Returns true if `account` is a contract.\n *\n * [IMPORTANT]\n * ====\n * It is unsafe to assume that an address for which this function returns\n * false is an externally-owned account (EOA) and not a contract.\n *\n * Among others, `isContract` will return false for the following\n * types of addresses:\n *\n * - an externally-owned account\n * - a contract in construction\n * - an address where a contract will be created\n * - an address where a contract lived, but was destroyed\n * ====\n *\n * [IMPORTANT]\n * ====\n * You shouldn't rely on `isContract` to protect against flash loan attacks!\n *\n * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets\n * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract\n * constructor.\n * ====\n */\n function isContract(address account) internal view returns (bool) {\n // This method relies on extcodesize/address.code.length, which returns 0\n // for contracts in construction, since the code is only stored at the end\n // of the constructor execution.\n\n return account.code.length > 0;\n }\n\n /**\n * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n *\n * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n *\n * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n *\n * IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n */\n function sendValue(address payable recipient, uint256 amount) internal {\n require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n require(success, \"Address: unable to send value, recipient may have reverted\");\n }\n\n /**\n * @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n *\n * If `target` reverts with a revert reason, it is bubbled up by this\n * function (like regular Solidity function calls).\n *\n * Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n *\n * Requirements:\n *\n * - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n *\n * _Available since v3.1._\n */\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCall(target, data, \"Address: low-level call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n * `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n *\n * Requirements:\n *\n * - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n * with `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(address(this).balance >= value, \"Address: insufficient balance for call\");\n require(isContract(target), \"Address: call to non-contract\");\n\n (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n return functionStaticCall(target, data, \"Address: low-level static call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n require(isContract(target), \"Address: static call to non-contract\");\n\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the\n * revert reason using the provided one.\n *\n * _Available since v4.3._\n */\n function verifyCallResult(\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal pure returns (bytes memory) {\n if (success) {\n return returndata;\n } else {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n /// @solidity memory-safe-assembly\n assembly {\n let returndata_size := mload(returndata)\n revert(add(32, returndata), returndata_size)\n }\n } else {\n revert(errorMessage);\n }\n }\n }\n}\n"},{"file_path":"/ERC1967UpgradeUpgradeable.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0) (proxy/ERC1967/ERC1967Upgrade.sol)\n\npragma solidity ^0.8.2;\n\nimport \"../beacon/IBeaconUpgradeable.sol\";\nimport \"../../interfaces/draft-IERC1822Upgradeable.sol\";\nimport \"../../utils/AddressUpgradeable.sol\";\nimport \"../../utils/StorageSlotUpgradeable.sol\";\nimport \"../utils/Initializable.sol\";\n\n/**\n * @dev This abstract contract provides getters and event emitting update functions for\n * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.\n *\n * _Available since v4.1._\n *\n * @custom:oz-upgrades-unsafe-allow delegatecall\n */\nabstract contract ERC1967UpgradeUpgradeable is Initializable {\n function __ERC1967Upgrade_init() internal onlyInitializing {\n }\n\n function __ERC1967Upgrade_init_unchained() internal onlyInitializing {\n }\n // This is the keccak-256 hash of \"eip1967.proxy.rollback\" subtracted by 1\n bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143;\n\n /**\n * @dev Storage slot with the address of the current implementation.\n * This is the keccak-256 hash of \"eip1967.proxy.implementation\" subtracted by 1, and is\n * validated in the constructor.\n */\n bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;\n\n /**\n * @dev Emitted when the implementation is upgraded.\n */\n event Upgraded(address indexed implementation);\n\n /**\n * @dev Returns the current implementation address.\n */\n function _getImplementation() internal view returns (address) {\n return StorageSlotUpgradeable.getAddressSlot(_IMPLEMENTATION_SLOT).value;\n }\n\n /**\n * @dev Stores a new address in the EIP1967 implementation slot.\n */\n function _setImplementation(address newImplementation) private {\n require(AddressUpgradeable.isContract(newImplementation), \"ERC1967: new implementation is not a contract\");\n StorageSlotUpgradeable.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;\n }\n\n /**\n * @dev Perform implementation upgrade\n *\n * Emits an {Upgraded} event.\n */\n function _upgradeTo(address newImplementation) internal {\n _setImplementation(newImplementation);\n emit Upgraded(newImplementation);\n }\n\n /**\n * @dev Perform implementation upgrade with additional setup call.\n *\n * Emits an {Upgraded} event.\n */\n function _upgradeToAndCall(\n address newImplementation,\n bytes memory data,\n bool forceCall\n ) internal {\n _upgradeTo(newImplementation);\n if (data.length > 0 || forceCall) {\n _functionDelegateCall(newImplementation, data);\n }\n }\n\n /**\n * @dev Perform implementation upgrade with security checks for UUPS proxies, and additional setup call.\n *\n * Emits an {Upgraded} event.\n */\n function _upgradeToAndCallUUPS(\n address newImplementation,\n bytes memory data,\n bool forceCall\n ) internal {\n // Upgrades from old implementations will perform a rollback test. This test requires the new\n // implementation to upgrade back to the old, non-ERC1822 compliant, implementation. Removing\n // this special case will break upgrade paths from old UUPS implementation to new ones.\n if (StorageSlotUpgradeable.getBooleanSlot(_ROLLBACK_SLOT).value) {\n _setImplementation(newImplementation);\n } else {\n try IERC1822ProxiableUpgradeable(newImplementation).proxiableUUID() returns (bytes32 slot) {\n require(slot == _IMPLEMENTATION_SLOT, \"ERC1967Upgrade: unsupported proxiableUUID\");\n } catch {\n revert(\"ERC1967Upgrade: new implementation is not UUPS\");\n }\n _upgradeToAndCall(newImplementation, data, forceCall);\n }\n }\n\n /**\n * @dev Storage slot with the admin of the contract.\n * This is the keccak-256 hash of \"eip1967.proxy.admin\" subtracted by 1, and is\n * validated in the constructor.\n */\n bytes32 internal constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;\n\n /**\n * @dev Emitted when the admin account has changed.\n */\n event AdminChanged(address previousAdmin, address newAdmin);\n\n /**\n * @dev Returns the current admin.\n */\n function _getAdmin() internal view returns (address) {\n return StorageSlotUpgradeable.getAddressSlot(_ADMIN_SLOT).value;\n }\n\n /**\n * @dev Stores a new address in the EIP1967 admin slot.\n */\n function _setAdmin(address newAdmin) private {\n require(newAdmin != address(0), \"ERC1967: new admin is the zero address\");\n StorageSlotUpgradeable.getAddressSlot(_ADMIN_SLOT).value = newAdmin;\n }\n\n /**\n * @dev Changes the admin of the proxy.\n *\n * Emits an {AdminChanged} event.\n */\n function _changeAdmin(address newAdmin) internal {\n emit AdminChanged(_getAdmin(), newAdmin);\n _setAdmin(newAdmin);\n }\n\n /**\n * @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy.\n * This is bytes32(uint256(keccak256('eip1967.proxy.beacon')) - 1)) and is validated in the constructor.\n */\n bytes32 internal constant _BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50;\n\n /**\n * @dev Emitted when the beacon is upgraded.\n */\n event BeaconUpgraded(address indexed beacon);\n\n /**\n * @dev Returns the current beacon.\n */\n function _getBeacon() internal view returns (address) {\n return StorageSlotUpgradeable.getAddressSlot(_BEACON_SLOT).value;\n }\n\n /**\n * @dev Stores a new beacon in the EIP1967 beacon slot.\n */\n function _setBeacon(address newBeacon) private {\n require(AddressUpgradeable.isContract(newBeacon), \"ERC1967: new beacon is not a contract\");\n require(\n AddressUpgradeable.isContract(IBeaconUpgradeable(newBeacon).implementation()),\n \"ERC1967: beacon implementation is not a contract\"\n );\n StorageSlotUpgradeable.getAddressSlot(_BEACON_SLOT).value = newBeacon;\n }\n\n /**\n * @dev Perform beacon upgrade with additional setup call. Note: This upgrades the address of the beacon, it does\n * not upgrade the implementation contained in the beacon (see {UpgradeableBeacon-_setImplementation} for that).\n *\n * Emits a {BeaconUpgraded} event.\n */\n function _upgradeBeaconToAndCall(\n address newBeacon,\n bytes memory data,\n bool forceCall\n ) internal {\n _setBeacon(newBeacon);\n emit BeaconUpgraded(newBeacon);\n if (data.length > 0 || forceCall) {\n _functionDelegateCall(IBeaconUpgradeable(newBeacon).implementation(), data);\n }\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function _functionDelegateCall(address target, bytes memory data) private returns (bytes memory) {\n require(AddressUpgradeable.isContract(target), \"Address: delegate call to non-contract\");\n\n // solhint-disable-next-line avoid-low-level-calls\n (bool success, bytes memory returndata) = target.delegatecall(data);\n return AddressUpgradeable.verifyCallResult(success, returndata, \"Address: low-level delegate call failed\");\n }\n\n /**\n * @dev This empty reserved space is put in place to allow future versions to add new\n * variables without shifting down storage in the inheritance chain.\n * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n */\n uint256[50] private __gap;\n}\n"},{"file_path":"/AccessControlUpgradeable.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (access/AccessControl.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IAccessControlUpgradeable.sol\";\nimport \"../utils/ContextUpgradeable.sol\";\nimport \"../utils/StringsUpgradeable.sol\";\nimport \"../utils/introspection/ERC165Upgradeable.sol\";\nimport \"../proxy/utils/Initializable.sol\";\n\n/**\n * @dev Contract module that allows children to implement role-based access\n * control mechanisms. This is a lightweight version that doesn't allow enumerating role\n * members except through off-chain means by accessing the contract event logs. Some\n * applications may benefit from on-chain enumerability, for those cases see\n * {AccessControlEnumerable}.\n *\n * Roles are referred to by their `bytes32` identifier. These should be exposed\n * in the external API and be unique. The best way to achieve this is by\n * using `public constant` hash digests:\n *\n * ```\n * bytes32 public constant MY_ROLE = keccak256(\"MY_ROLE\");\n * ```\n *\n * Roles can be used to represent a set of permissions. To restrict access to a\n * function call, use {hasRole}:\n *\n * ```\n * function foo() public {\n * require(hasRole(MY_ROLE, msg.sender));\n * ...\n * }\n * ```\n *\n * Roles can be granted and revoked dynamically via the {grantRole} and\n * {revokeRole} functions. Each role has an associated admin role, and only\n * accounts that have a role's admin role can call {grantRole} and {revokeRole}.\n *\n * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means\n * that only accounts with this role will be able to grant or revoke other\n * roles. More complex role relationships can be created by using\n * {_setRoleAdmin}.\n *\n * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to\n * grant and revoke this role. Extra precautions should be taken to secure\n * accounts that have been granted it.\n */\nabstract contract AccessControlUpgradeable is Initializable, ContextUpgradeable, IAccessControlUpgradeable, ERC165Upgradeable {\n function __AccessControl_init() internal onlyInitializing {\n }\n\n function __AccessControl_init_unchained() internal onlyInitializing {\n }\n struct RoleData {\n mapping(address => bool) members;\n bytes32 adminRole;\n }\n\n mapping(bytes32 => RoleData) private _roles;\n\n bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;\n\n /**\n * @dev Modifier that checks that an account has a specific role. Reverts\n * with a standardized message including the required role.\n *\n * The format of the revert reason is given by the following regular expression:\n *\n * /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/\n *\n * _Available since v4.1._\n */\n modifier onlyRole(bytes32 role) {\n _checkRole(role);\n _;\n }\n\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n return interfaceId == type(IAccessControlUpgradeable).interfaceId || super.supportsInterface(interfaceId);\n }\n\n /**\n * @dev Returns `true` if `account` has been granted `role`.\n */\n function hasRole(bytes32 role, address account) public view virtual override returns (bool) {\n return _roles[role].members[account];\n }\n\n /**\n * @dev Revert with a standard message if `_msgSender()` is missing `role`.\n * Overriding this function changes the behavior of the {onlyRole} modifier.\n *\n * Format of the revert message is described in {_checkRole}.\n *\n * _Available since v4.6._\n */\n function _checkRole(bytes32 role) internal view virtual {\n _checkRole(role, _msgSender());\n }\n\n /**\n * @dev Revert with a standard message if `account` is missing `role`.\n *\n * The format of the revert reason is given by the following regular expression:\n *\n * /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/\n */\n function _checkRole(bytes32 role, address account) internal view virtual {\n if (!hasRole(role, account)) {\n revert(\n string(\n abi.encodePacked(\n \"AccessControl: account \",\n StringsUpgradeable.toHexString(uint160(account), 20),\n \" is missing role \",\n StringsUpgradeable.toHexString(uint256(role), 32)\n )\n )\n );\n }\n }\n\n /**\n * @dev Returns the admin role that controls `role`. See {grantRole} and\n * {revokeRole}.\n *\n * To change a role's admin, use {_setRoleAdmin}.\n */\n function getRoleAdmin(bytes32 role) public view virtual override returns (bytes32) {\n return _roles[role].adminRole;\n }\n\n /**\n * @dev Grants `role` to `account`.\n *\n * If `account` had not been already granted `role`, emits a {RoleGranted}\n * event.\n *\n * Requirements:\n *\n * - the caller must have ``role``'s admin role.\n *\n * May emit a {RoleGranted} event.\n */\n function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {\n _grantRole(role, account);\n }\n\n /**\n * @dev Revokes `role` from `account`.\n *\n * If `account` had been granted `role`, emits a {RoleRevoked} event.\n *\n * Requirements:\n *\n * - the caller must have ``role``'s admin role.\n *\n * May emit a {RoleRevoked} event.\n */\n function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {\n _revokeRole(role, account);\n }\n\n /**\n * @dev Revokes `role` from the calling account.\n *\n * Roles are often managed via {grantRole} and {revokeRole}: this function's\n * purpose is to provide a mechanism for accounts to lose their privileges\n * if they are compromised (such as when a trusted device is misplaced).\n *\n * If the calling account had been revoked `role`, emits a {RoleRevoked}\n * event.\n *\n * Requirements:\n *\n * - the caller must be `account`.\n *\n * May emit a {RoleRevoked} event.\n */\n function renounceRole(bytes32 role, address account) public virtual override {\n require(account == _msgSender(), \"AccessControl: can only renounce roles for self\");\n\n _revokeRole(role, account);\n }\n\n /**\n * @dev Grants `role` to `account`.\n *\n * If `account` had not been already granted `role`, emits a {RoleGranted}\n * event. Note that unlike {grantRole}, this function doesn't perform any\n * checks on the calling account.\n *\n * May emit a {RoleGranted} event.\n *\n * [WARNING]\n * ====\n * This function should only be called from the constructor when setting\n * up the initial roles for the system.\n *\n * Using this function in any other way is effectively circumventing the admin\n * system imposed by {AccessControl}.\n * ====\n *\n * NOTE: This function is deprecated in favor of {_grantRole}.\n */\n function _setupRole(bytes32 role, address account) internal virtual {\n _grantRole(role, account);\n }\n\n /**\n * @dev Sets `adminRole` as ``role``'s admin role.\n *\n * Emits a {RoleAdminChanged} event.\n */\n function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {\n bytes32 previousAdminRole = getRoleAdmin(role);\n _roles[role].adminRole = adminRole;\n emit RoleAdminChanged(role, previousAdminRole, adminRole);\n }\n\n /**\n * @dev Grants `role` to `account`.\n *\n * Internal function without access restriction.\n *\n * May emit a {RoleGranted} event.\n */\n function _grantRole(bytes32 role, address account) internal virtual {\n if (!hasRole(role, account)) {\n _roles[role].members[account] = true;\n emit RoleGranted(role, account, _msgSender());\n }\n }\n\n /**\n * @dev Revokes `role` from `account`.\n *\n * Internal function without access restriction.\n *\n * May emit a {RoleRevoked} event.\n */\n function _revokeRole(bytes32 role, address account) internal virtual {\n if (hasRole(role, account)) {\n _roles[role].members[account] = false;\n emit RoleRevoked(role, account, _msgSender());\n }\n }\n\n /**\n * @dev This empty reserved space is put in place to allow future versions to add new\n * variables without shifting down storage in the inheritance chain.\n * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n */\n uint256[49] private __gap;\n}\n"},{"file_path":"/Auth.sol","source_code":"// SPDX-License-Identifier: BlueOak-1.0.0\npragma solidity 0.8.17;\n\nimport \"@openzeppelin/contracts-upgradeable/access/AccessControlUpgradeable.sol\";\nimport \"../interfaces/IMain.sol\";\n\nuint256 constant LONG_FREEZE_CHARGES = 6; // 6 uses\nuint48 constant MAX_UNFREEZE_AT = type(uint48).max;\nuint48 constant MAX_SHORT_FREEZE = 2592000; // 1 month\nuint48 constant MAX_LONG_FREEZE = 31536000; // 1 year\n\n/**\n * @title Auth\n * @notice Provides fine-grained access controls and exports frozen/paused states to Components.\n */\nabstract contract Auth is AccessControlUpgradeable, IAuth {\n /**\n * System-wide states (does not impact ERC20 functions)\n * - Frozen: only allow OWNER actions and staking\n * - Paused: only allow OWNER actions, redemption, staking, and rewards payout\n *\n * Typically freezing thaws on its own in a predetemined number of blocks.\n * However, OWNER can also freeze forever.\n */\n\n /// The rest of the contract uses the shorthand; these declarations are here for getters\n bytes32 public constant OWNER_ROLE = OWNER;\n bytes32 public constant SHORT_FREEZER_ROLE = SHORT_FREEZER;\n bytes32 public constant LONG_FREEZER_ROLE = LONG_FREEZER;\n bytes32 public constant PAUSER_ROLE = PAUSER;\n\n // === Freezing ===\n\n mapping(address => uint256) public longFreezes;\n\n uint48 public unfreezeAt; // {s} uint48.max to pause indefinitely\n uint48 public shortFreeze; // {s} length of an initial freeze\n uint48 public longFreeze; // {s} length of a freeze extension\n\n // === Pausing ===\n\n bool public paused;\n\n /* ==== Invariants ====\n 0 <= longFreeze[a] <= LONG_FREEZE_CHARGES for all addrs a\n set{a has LONG_FREEZER} == set{a : longFreeze[a] == 0}\n */\n\n // checks:\n // - __Auth_init has not previously been called\n // - 0 < shortFreeze_ <= MAX_SHORT_FREEZE\n // - 0 < longFreeze_ <= MAX_LONG_FREEZE\n // effects:\n // - caller has all roles\n // - OWNER is the admin role for all roles\n // - longFreezes[caller] == LONG_FREEZE_CHARGES\n // - shortFreeze' == shortFreeze_\n // - longFreeze' == longFreeze_\n // questions: (what do I know about the values of paused and unfreezeAt?)\n // untestable:\n // `else` branch of `onlyInitializing` (ie. revert) is currently untestable.\n // This function is only called inside other `init` functions, each of which is wrapped\n // in an `initializer` modifier, which would fail first.\n // solhint-disable-next-line func-name-mixedcase\n function __Auth_init(uint48 shortFreeze_, uint48 longFreeze_) internal onlyInitializing {\n __AccessControl_init();\n\n // Role setup\n _setRoleAdmin(OWNER, OWNER);\n _setRoleAdmin(SHORT_FREEZER, OWNER);\n _setRoleAdmin(LONG_FREEZER, OWNER);\n _setRoleAdmin(PAUSER, OWNER);\n\n address msgSender = _msgSender();\n _grantRole(OWNER, msgSender);\n _grantRole(SHORT_FREEZER, msgSender);\n _grantRole(LONG_FREEZER, msgSender);\n _grantRole(PAUSER, msgSender);\n longFreezes[msgSender] = LONG_FREEZE_CHARGES;\n\n setShortFreeze(shortFreeze_);\n setLongFreeze(longFreeze_);\n }\n\n // checks: caller is an admin for role, account is not 0\n // effects:\n // - account has the `role` role\n // - if role is LONG_FREEZER, then longFreezes'[account] == LONG_FREEZE_CHARGES\n function grantRole(bytes32 role, address account)\n public\n override(AccessControlUpgradeable, IAccessControlUpgradeable)\n onlyRole(getRoleAdmin(role))\n {\n require(account != address(0), \"cannot grant role to address 0\");\n if (role == LONG_FREEZER) longFreezes[account] = LONG_FREEZE_CHARGES;\n _grantRole(role, account);\n }\n\n // ==== System-wide views ====\n // returns: bool(main is frozen) == now < unfreezeAt\n function frozen() external view returns (bool) {\n return block.timestamp < unfreezeAt;\n }\n\n /// @dev This -or- condition is a performance optimization for the consuming Component\n // returns: bool(main is frozen or paused) == paused || (now < unfreezeAt)\n function pausedOrFrozen() public view returns (bool) {\n return paused || block.timestamp < unfreezeAt;\n }\n\n // === Freezing ===\n\n /// Enter a freeze for the `shortFreeze` duration\n // checks:\n // - caller has the SHORT_FREEZER role\n // - now + shortFreeze >= unfreezeAt (that is, this call should increase unfreezeAt)\n // effects:\n // - unfreezeAt' = now + shortFreeze\n // - after, caller does not have the SHORT_FREEZER role\n function freezeShort() external onlyRole(SHORT_FREEZER) {\n // Revoke short freezer role after one use\n _revokeRole(SHORT_FREEZER, _msgSender());\n freezeUntil(uint48(block.timestamp) + shortFreeze);\n }\n\n /// Enter a freeze by the `longFreeze` duration\n // checks:\n // - caller has the LONG_FREEZER role\n // - longFreezes[caller] > 0\n // - now + longFreeze >= unfreezeAt (that is, this call should increase unfreezeAt)\n // effects:\n // - unfreezeAt' = now + longFreeze\n // - longFreezes'[caller] = longFreezes[caller] - 1\n // - if longFreezes'[caller] == 0 then caller loses the LONG_FREEZER role\n function freezeLong() external onlyRole(LONG_FREEZER) {\n longFreezes[_msgSender()] -= 1; // reverts on underflow\n\n // Revoke on 0 charges as a cleanup step\n if (longFreezes[_msgSender()] == 0) _revokeRole(LONG_FREEZER, _msgSender());\n freezeUntil(uint48(block.timestamp) + longFreeze);\n }\n\n /// Enter a permanent freeze\n // checks:\n // - caller has the OWNER role\n // - unfreezeAt != type(uint48).max\n // effects: unfreezeAt' = type(uint48).max\n function freezeForever() external onlyRole(OWNER) {\n freezeUntil(MAX_UNFREEZE_AT);\n }\n\n /// End all freezes\n // checks:\n // - unfreezeAt > now (i.e, frozen() == true before the call)\n // - caller has the OWNER role\n // effects: unfreezeAt' = now (i.e, frozen() == false after the call)\n function unfreeze() external onlyRole(OWNER) {\n emit UnfreezeAtSet(unfreezeAt, uint48(block.timestamp));\n unfreezeAt = uint48(block.timestamp);\n }\n\n // === Pausing ===\n // checks: caller has PAUSER\n // effects: paused' = true\n function pause() external onlyRole(PAUSER) {\n emit PausedSet(paused, true);\n paused = true;\n }\n\n // checks: caller has PAUSER\n // effects: paused' = false\n function unpause() external onlyRole(PAUSER) {\n emit PausedSet(paused, false);\n paused = false;\n }\n\n // === Gov params ===\n\n /// @custom:governance\n function setShortFreeze(uint48 shortFreeze_) public onlyRole(OWNER) {\n require(shortFreeze_ > 0 && shortFreeze_ <= MAX_SHORT_FREEZE, \"short freeze out of range\");\n emit ShortFreezeDurationSet(shortFreeze, shortFreeze_);\n shortFreeze = shortFreeze_;\n }\n\n /// @custom:governance\n function setLongFreeze(uint48 longFreeze_) public onlyRole(OWNER) {\n require(longFreeze_ > 0 && longFreeze_ <= MAX_LONG_FREEZE, \"long freeze out of range\");\n emit LongFreezeDurationSet(longFreeze, longFreeze_);\n longFreeze = longFreeze_;\n }\n\n // === Private Helper ===\n // checks: newUnfreezeAt > unfreezeAt\n // effects: unfreezeAt' = newUnfreezeAt\n function freezeUntil(uint48 newUnfreezeAt) private {\n require(newUnfreezeAt > unfreezeAt, \"frozen\");\n emit UnfreezeAtSet(unfreezeAt, newUnfreezeAt);\n unfreezeAt = newUnfreezeAt;\n }\n\n /**\n * @dev This empty reserved space is put in place to allow future versions to add new\n * variables without shifting down storage in the inheritance chain.\n * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n */\n uint256[48] private __gap;\n}\n"},{"file_path":"/IBackingManager.sol","source_code":"// SPDX-License-Identifier: BlueOak-1.0.0\npragma solidity 0.8.17;\n\nimport \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\nimport \"./IComponent.sol\";\nimport \"./ITrading.sol\";\n\n/**\n * @title IBackingManager\n * @notice The BackingManager handles changes in the ERC20 balances that back an RToken.\n * - It computes which trades to perform, if any, and initiates these trades with the Broker.\n * - If already collateralized, excess assets are transferred to RevenueTraders.\n *\n * `manageTokens(erc20s)` and `manageTokensSortedOrder(erc20s)` are handles for getting at the\n * same underlying functionality. The former allows an ERC20 list in any order, while the\n * latter requires a sorted array, and executes in O(n) rather than O(n^2) time. In the\n * vast majority of cases we expect the the O(n^2) function to be acceptable.\n */\ninterface IBackingManager is IComponent, ITrading {\n event TradingDelaySet(uint48 indexed oldVal, uint48 indexed newVal);\n event BackingBufferSet(uint192 indexed oldVal, uint192 indexed newVal);\n\n // Initialization\n function init(\n IMain main_,\n uint48 tradingDelay_,\n uint192 backingBuffer_,\n uint192 maxTradeSlippage_,\n uint192 minTradeVolume_\n ) external;\n\n // Give RToken max allowance over a registered token\n /// @custom:refresher\n /// @custom:interaction\n function grantRTokenAllowance(IERC20) external;\n\n /// Maintain the overall backing policy; handout assets otherwise\n /// @dev Performs a uniqueness check on the erc20s list in O(n^2)\n /// @custom:interaction\n function manageTokens(IERC20[] memory erc20s) external;\n\n /// Maintain the overall backing policy; handout assets otherwise\n /// @dev Tokens must be in sorted order!\n /// @dev Performs a uniqueness check on the erc20s list in O(n)\n /// @custom:interaction\n function manageTokensSortedOrder(IERC20[] memory erc20s) external;\n}\n\ninterface TestIBackingManager is IBackingManager, TestITrading {\n function tradingDelay() external view returns (uint48);\n\n function backingBuffer() external view returns (uint192);\n\n function setTradingDelay(uint48 val) external;\n\n function setBackingBuffer(uint192 val) external;\n}\n"},{"file_path":"/StorageSlotUpgradeable.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (utils/StorageSlot.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Library for reading and writing primitive types to specific storage slots.\n *\n * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.\n * This library helps with reading and writing to such slots without the need for inline assembly.\n *\n * The functions in this library return Slot structs that contain a `value` member that can be used to read or write.\n *\n * Example usage to set ERC1967 implementation slot:\n * ```\n * contract ERC1967 {\n * bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;\n *\n * function _getImplementation() internal view returns (address) {\n * return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;\n * }\n *\n * function _setImplementation(address newImplementation) internal {\n * require(Address.isContract(newImplementation), \"ERC1967: new implementation is not a contract\");\n * StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;\n * }\n * }\n * ```\n *\n * _Available since v4.1 for `address`, `bool`, `bytes32`, and `uint256`._\n */\nlibrary StorageSlotUpgradeable {\n struct AddressSlot {\n address value;\n }\n\n struct BooleanSlot {\n bool value;\n }\n\n struct Bytes32Slot {\n bytes32 value;\n }\n\n struct Uint256Slot {\n uint256 value;\n }\n\n /**\n * @dev Returns an `AddressSlot` with member `value` located at `slot`.\n */\n function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /**\n * @dev Returns an `BooleanSlot` with member `value` located at `slot`.\n */\n function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /**\n * @dev Returns an `Bytes32Slot` with member `value` located at `slot`.\n */\n function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n\n /**\n * @dev Returns an `Uint256Slot` with member `value` located at `slot`.\n */\n function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {\n /// @solidity memory-safe-assembly\n assembly {\n r.slot := slot\n }\n }\n}\n"},{"file_path":"/extensions/draft-IERC20PermitUpgradeable.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in\n * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].\n *\n * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by\n * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't\n * need to send a transaction, and thus is not required to hold Ether at all.\n */\ninterface IERC20PermitUpgradeable {\n /**\n * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,\n * given ``owner``'s signed approval.\n *\n * IMPORTANT: The same issues {IERC20-approve} has related to transaction\n * ordering also apply here.\n *\n * Emits an {Approval} event.\n *\n * Requirements:\n *\n * - `spender` cannot be the zero address.\n * - `deadline` must be a timestamp in the future.\n * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`\n * over the EIP712-formatted function arguments.\n * - the signature must use ``owner``'s current nonce (see {nonces}).\n *\n * For more information on the signature format, see the\n * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP\n * section].\n */\n function permit(\n address owner,\n address spender,\n uint256 value,\n uint256 deadline,\n uint8 v,\n bytes32 r,\n bytes32 s\n ) external;\n\n /**\n * @dev Returns the current nonce for `owner`. This value must be\n * included whenever a signature is generated for {permit}.\n *\n * Every successful call to {permit} increases ``owner``'s nonce by one. This\n * prevents a signature from being used multiple times.\n */\n function nonces(address owner) external view returns (uint256);\n\n /**\n * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.\n */\n // solhint-disable-next-line func-name-mixedcase\n function DOMAIN_SEPARATOR() external view returns (bytes32);\n}\n"},{"file_path":"/UUPSUpgradeable.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0) (proxy/utils/UUPSUpgradeable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../interfaces/draft-IERC1822Upgradeable.sol\";\nimport \"../ERC1967/ERC1967UpgradeUpgradeable.sol\";\nimport \"./Initializable.sol\";\n\n/**\n * @dev An upgradeability mechanism designed for UUPS proxies. The functions included here can perform an upgrade of an\n * {ERC1967Proxy}, when this contract is set as the implementation behind such a proxy.\n *\n * A security mechanism ensures that an upgrade does not turn off upgradeability accidentally, although this risk is\n * reinstated if the upgrade retains upgradeability but removes the security mechanism, e.g. by replacing\n * `UUPSUpgradeable` with a custom implementation of upgrades.\n *\n * The {_authorizeUpgrade} function must be overridden to include access restriction to the upgrade mechanism.\n *\n * _Available since v4.1._\n */\nabstract contract UUPSUpgradeable is Initializable, IERC1822ProxiableUpgradeable, ERC1967UpgradeUpgradeable {\n function __UUPSUpgradeable_init() internal onlyInitializing {\n }\n\n function __UUPSUpgradeable_init_unchained() internal onlyInitializing {\n }\n /// @custom:oz-upgrades-unsafe-allow state-variable-immutable state-variable-assignment\n address private immutable __self = address(this);\n\n /**\n * @dev Check that the execution is being performed through a delegatecall call and that the execution context is\n * a proxy contract with an implementation (as defined in ERC1967) pointing to self. This should only be the case\n * for UUPS and transparent proxies that are using the current contract as their implementation. Execution of a\n * function through ERC1167 minimal proxies (clones) would not normally pass this test, but is not guaranteed to\n * fail.\n */\n modifier onlyProxy() {\n require(address(this) != __self, \"Function must be called through delegatecall\");\n require(_getImplementation() == __self, \"Function must be called through active proxy\");\n _;\n }\n\n /**\n * @dev Check that the execution is not being performed through a delegate call. This allows a function to be\n * callable on the implementing contract but not through proxies.\n */\n modifier notDelegated() {\n require(address(this) == __self, \"UUPSUpgradeable: must not be called through delegatecall\");\n _;\n }\n\n /**\n * @dev Implementation of the ERC1822 {proxiableUUID} function. This returns the storage slot used by the\n * implementation. It is used to validate that the this implementation remains valid after an upgrade.\n *\n * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks\n * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this\n * function revert if invoked through a proxy. This is guaranteed by the `notDelegated` modifier.\n */\n function proxiableUUID() external view virtual override notDelegated returns (bytes32) {\n return _IMPLEMENTATION_SLOT;\n }\n\n /**\n * @dev Upgrade the implementation of the proxy to `newImplementation`.\n *\n * Calls {_authorizeUpgrade}.\n *\n * Emits an {Upgraded} event.\n */\n function upgradeTo(address newImplementation) external virtual onlyProxy {\n _authorizeUpgrade(newImplementation);\n _upgradeToAndCallUUPS(newImplementation, new bytes(0), false);\n }\n\n /**\n * @dev Upgrade the implementation of the proxy to `newImplementation`, and subsequently execute the function call\n * encoded in `data`.\n *\n * Calls {_authorizeUpgrade}.\n *\n * Emits an {Upgraded} event.\n */\n function upgradeToAndCall(address newImplementation, bytes memory data) external payable virtual onlyProxy {\n _authorizeUpgrade(newImplementation);\n _upgradeToAndCallUUPS(newImplementation, data, true);\n }\n\n /**\n * @dev Function that should revert when `msg.sender` is not authorized to upgrade the contract. Called by\n * {upgradeTo} and {upgradeToAndCall}.\n *\n * Normally, this function will use an xref:access.adoc[access control] modifier such as {Ownable-onlyOwner}.\n *\n * ```solidity\n * function _authorizeUpgrade(address) internal override onlyOwner {}\n * ```\n */\n function _authorizeUpgrade(address newImplementation) internal virtual;\n\n /**\n * @dev This empty reserved space is put in place to allow future versions to add new\n * variables without shifting down storage in the inheritance chain.\n * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n */\n uint256[50] private __gap;\n}\n"},{"file_path":"/Initializable.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (proxy/utils/Initializable.sol)\n\npragma solidity ^0.8.2;\n\nimport \"../../utils/AddressUpgradeable.sol\";\n\n/**\n * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed\n * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an\n * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer\n * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.\n *\n * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be\n * reused. This mechanism prevents re-execution of each \"step\" but allows the creation of new initialization steps in\n * case an upgrade adds a module that needs to be initialized.\n *\n * For example:\n *\n * [.hljs-theme-light.nopadding]\n * ```\n * contract MyToken is ERC20Upgradeable {\n * function initialize() initializer public {\n * __ERC20_init(\"MyToken\", \"MTK\");\n * }\n * }\n * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {\n * function initializeV2() reinitializer(2) public {\n * __ERC20Permit_init(\"MyToken\");\n * }\n * }\n * ```\n *\n * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as\n * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.\n *\n * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure\n * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.\n *\n * [CAUTION]\n * ====\n * Avoid leaving a contract uninitialized.\n *\n * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation\n * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke\n * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:\n *\n * [.hljs-theme-light.nopadding]\n * ```\n * /// @custom:oz-upgrades-unsafe-allow constructor\n * constructor() {\n * _disableInitializers();\n * }\n * ```\n * ====\n */\nabstract contract Initializable {\n /**\n * @dev Indicates that the contract has been initialized.\n * @custom:oz-retyped-from bool\n */\n uint8 private _initialized;\n\n /**\n * @dev Indicates that the contract is in the process of being initialized.\n */\n bool private _initializing;\n\n /**\n * @dev Triggered when the contract has been initialized or reinitialized.\n */\n event Initialized(uint8 version);\n\n /**\n * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,\n * `onlyInitializing` functions can be used to initialize parent contracts. Equivalent to `reinitializer(1)`.\n */\n modifier initializer() {\n bool isTopLevelCall = !_initializing;\n require(\n (isTopLevelCall && _initialized < 1) || (!AddressUpgradeable.isContract(address(this)) && _initialized == 1),\n \"Initializable: contract is already initialized\"\n );\n _initialized = 1;\n if (isTopLevelCall) {\n _initializing = true;\n }\n _;\n if (isTopLevelCall) {\n _initializing = false;\n emit Initialized(1);\n }\n }\n\n /**\n * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the\n * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be\n * used to initialize parent contracts.\n *\n * `initializer` is equivalent to `reinitializer(1)`, so a reinitializer may be used after the original\n * initialization step. This is essential to configure modules that are added through upgrades and that require\n * initialization.\n *\n * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in\n * a contract, executing them in the right order is up to the developer or operator.\n */\n modifier reinitializer(uint8 version) {\n require(!_initializing && _initialized < version, \"Initializable: contract is already initialized\");\n _initialized = version;\n _initializing = true;\n _;\n _initializing = false;\n emit Initialized(version);\n }\n\n /**\n * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the\n * {initializer} and {reinitializer} modifiers, directly or indirectly.\n */\n modifier onlyInitializing() {\n require(_initializing, \"Initializable: contract is not initializing\");\n _;\n }\n\n /**\n * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.\n * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized\n * to any version. It is recommended to use this to lock implementation contracts that are designed to be called\n * through proxies.\n */\n function _disableInitializers() internal virtual {\n require(!_initializing, \"Initializable: contract is initializing\");\n if (_initialized < type(uint8).max) {\n _initialized = type(uint8).max;\n emit Initialized(type(uint8).max);\n }\n }\n}\n"},{"file_path":"/IAccessControlUpgradeable.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev External interface of AccessControl declared to support ERC165 detection.\n */\ninterface IAccessControlUpgradeable {\n /**\n * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`\n *\n * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite\n * {RoleAdminChanged} not being emitted signaling this.\n *\n * _Available since v3.1._\n */\n event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);\n\n /**\n * @dev Emitted when `account` is granted `role`.\n *\n * `sender` is the account that originated the contract call, an admin role\n * bearer except when using {AccessControl-_setupRole}.\n */\n event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);\n\n /**\n * @dev Emitted when `account` is revoked `role`.\n *\n * `sender` is the account that originated the contract call:\n * - if using `revokeRole`, it is the admin role bearer\n * - if using `renounceRole`, it is the role bearer (i.e. `account`)\n */\n event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);\n\n /**\n * @dev Returns `true` if `account` has been granted `role`.\n */\n function hasRole(bytes32 role, address account) external view returns (bool);\n\n /**\n * @dev Returns the admin role that controls `role`. See {grantRole} and\n * {revokeRole}.\n *\n * To change a role's admin, use {AccessControl-_setRoleAdmin}.\n */\n function getRoleAdmin(bytes32 role) external view returns (bytes32);\n\n /**\n * @dev Grants `role` to `account`.\n *\n * If `account` had not been already granted `role`, emits a {RoleGranted}\n * event.\n *\n * Requirements:\n *\n * - the caller must have ``role``'s admin role.\n */\n function grantRole(bytes32 role, address account) external;\n\n /**\n * @dev Revokes `role` from `account`.\n *\n * If `account` had been granted `role`, emits a {RoleRevoked} event.\n *\n * Requirements:\n *\n * - the caller must have ``role``'s admin role.\n */\n function revokeRole(bytes32 role, address account) external;\n\n /**\n * @dev Revokes `role` from the calling account.\n *\n * Roles are often managed via {grantRole} and {revokeRole}: this function's\n * purpose is to provide a mechanism for accounts to lose their privileges\n * if they are compromised (such as when a trusted device is misplaced).\n *\n * If the calling account had been granted `role`, emits a {RoleRevoked}\n * event.\n *\n * Requirements:\n *\n * - the caller must be `account`.\n */\n function renounceRole(bytes32 role, address account) external;\n}\n"},{"file_path":"/StringsUpgradeable.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (utils/Strings.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev String operations.\n */\nlibrary StringsUpgradeable {\n bytes16 private constant _HEX_SYMBOLS = \"0123456789abcdef\";\n uint8 private constant _ADDRESS_LENGTH = 20;\n\n /**\n * @dev Converts a `uint256` to its ASCII `string` decimal representation.\n */\n function toString(uint256 value) internal pure returns (string memory) {\n // Inspired by OraclizeAPI's implementation - MIT licence\n // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol\n\n if (value == 0) {\n return \"0\";\n }\n uint256 temp = value;\n uint256 digits;\n while (temp != 0) {\n digits++;\n temp /= 10;\n }\n bytes memory buffer = new bytes(digits);\n while (value != 0) {\n digits -= 1;\n buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));\n value /= 10;\n }\n return string(buffer);\n }\n\n /**\n * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.\n */\n function toHexString(uint256 value) internal pure returns (string memory) {\n if (value == 0) {\n return \"0x00\";\n }\n uint256 temp = value;\n uint256 length = 0;\n while (temp != 0) {\n length++;\n temp >>= 8;\n }\n return toHexString(value, length);\n }\n\n /**\n * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.\n */\n function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {\n bytes memory buffer = new bytes(2 * length + 2);\n buffer[0] = \"0\";\n buffer[1] = \"x\";\n for (uint256 i = 2 * length + 1; i > 1; --i) {\n buffer[i] = _HEX_SYMBOLS[value & 0xf];\n value >>= 4;\n }\n require(value == 0, \"Strings: hex length insufficient\");\n return string(buffer);\n }\n\n /**\n * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.\n */\n function toHexString(address addr) internal pure returns (string memory) {\n return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);\n }\n}\n"},{"file_path":"/IERC165Upgradeable.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\n *\n * Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n *\n * For an implementation, see {ERC165}.\n */\ninterface IERC165Upgradeable {\n /**\n * @dev Returns true if this contract implements the interface defined by\n * `interfaceId`. See the corresponding\n * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]\n * to learn more about how these ids are created.\n *\n * This function call must use less than 30 000 gas.\n */\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n"},{"file_path":"/draft-IERC1822Upgradeable.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0) (interfaces/draft-IERC1822.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev ERC1822: Universal Upgradeable Proxy Standard (UUPS) documents a method for upgradeability through a simplified\n * proxy whose upgrades are fully controlled by the current implementation.\n */\ninterface IERC1822ProxiableUpgradeable {\n /**\n * @dev Returns the storage slot that the proxiable contract assumes is being used to store the implementation\n * address.\n *\n * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks\n * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this\n * function revert if invoked through a proxy.\n */\n function proxiableUUID() external view returns (bytes32);\n}\n"},{"file_path":"/ComponentRegistry.sol","source_code":"// SPDX-License-Identifier: BlueOak-1.0.0\npragma solidity 0.8.17;\n\nimport \"@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol\";\nimport \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\nimport \"../interfaces/IMain.sol\";\nimport \"./Auth.sol\";\n\n/**\n * @title ComponentRegistry\n */\nabstract contract ComponentRegistry is Initializable, Auth, IComponentRegistry {\n // untestable:\n // `else` branch of `onlyInitializing` (ie. revert) is currently untestable.\n // This function is only called inside other `init` functions, each of which is wrapped\n // in an `initializer` modifier, which would fail first.\n // solhint-disable-next-line func-name-mixedcase\n function __ComponentRegistry_init(Components memory components_) internal onlyInitializing {\n _setBackingManager(components_.backingManager);\n _setBasketHandler(components_.basketHandler);\n _setRSRTrader(components_.rsrTrader);\n _setRTokenTrader(components_.rTokenTrader);\n _setAssetRegistry(components_.assetRegistry);\n _setDistributor(components_.distributor);\n _setFurnace(components_.furnace);\n _setBroker(components_.broker);\n _setStRSR(components_.stRSR);\n _setRToken(components_.rToken);\n }\n\n // === Components ===\n\n IRToken public rToken;\n\n function _setRToken(IRToken val) private {\n require(address(val) != address(0), \"invalid RToken address\");\n emit RTokenSet(rToken, val);\n rToken = val;\n }\n\n IStRSR public stRSR;\n\n function _setStRSR(IStRSR val) private {\n require(address(val) != address(0), \"invalid StRSR address\");\n emit StRSRSet(stRSR, val);\n stRSR = val;\n }\n\n IAssetRegistry public assetRegistry;\n\n function _setAssetRegistry(IAssetRegistry val) private {\n require(address(val) != address(0), \"invalid AssetRegistry address\");\n emit AssetRegistrySet(assetRegistry, val);\n assetRegistry = val;\n }\n\n IBasketHandler public basketHandler;\n\n function _setBasketHandler(IBasketHandler val) private {\n require(address(val) != address(0), \"invalid BasketHandler address\");\n emit BasketHandlerSet(basketHandler, val);\n basketHandler = val;\n }\n\n IBackingManager public backingManager;\n\n function _setBackingManager(IBackingManager val) private {\n require(address(val) != address(0), \"invalid BackingManager address\");\n emit BackingManagerSet(backingManager, val);\n backingManager = val;\n }\n\n IDistributor public distributor;\n\n function _setDistributor(IDistributor val) private {\n require(address(val) != address(0), \"invalid Distributor address\");\n emit DistributorSet(distributor, val);\n distributor = val;\n }\n\n IRevenueTrader public rsrTrader;\n\n function _setRSRTrader(IRevenueTrader val) private {\n require(address(val) != address(0), \"invalid RSRTrader address\");\n emit RSRTraderSet(rsrTrader, val);\n rsrTrader = val;\n }\n\n IRevenueTrader public rTokenTrader;\n\n function _setRTokenTrader(IRevenueTrader val) private {\n require(address(val) != address(0), \"invalid RTokenTrader address\");\n emit RTokenTraderSet(rTokenTrader, val);\n rTokenTrader = val;\n }\n\n IFurnace public furnace;\n\n function _setFurnace(IFurnace val) private {\n require(address(val) != address(0), \"invalid Furnace address\");\n emit FurnaceSet(furnace, val);\n furnace = val;\n }\n\n IBroker public broker;\n\n function _setBroker(IBroker val) private {\n require(address(val) != address(0), \"invalid Broker address\");\n emit BrokerSet(broker, val);\n broker = val;\n }\n\n /**\n * @dev This empty reserved space is put in place to allow future versions to add new\n * variables without shifting down storage in the inheritance chain.\n * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n */\n uint256[40] private __gap;\n}\n"},{"file_path":"/interfaces/AggregatorV3Interface.sol","source_code":"// SPDX-License-Identifier: MIT\npragma solidity ^0.8.0;\n\ninterface AggregatorV3Interface {\n function decimals() external view returns (uint8);\n\n function description() external view returns (string memory);\n\n function version() external view returns (uint256);\n\n // getRoundData and latestRoundData should both raise \"No data present\"\n // if they do not have data to report, instead of returning unset values\n // which could be misinterpreted as actual reported values.\n function getRoundData(uint80 _roundId)\n external\n view\n returns (\n uint80 roundId,\n int256 answer,\n uint256 startedAt,\n uint256 updatedAt,\n uint80 answeredInRound\n );\n\n function latestRoundData()\n external\n view\n returns (\n uint80 roundId,\n int256 answer,\n uint256 startedAt,\n uint256 updatedAt,\n uint80 answeredInRound\n );\n}\n"},{"file_path":"/Throttle.sol","source_code":"// SPDX-License-Identifier: BlueOak-1.0.0\npragma solidity 0.8.17;\n\nimport \"./Fixed.sol\";\n\nuint48 constant ONE_HOUR = 3600; // {seconds/hour}\n\n/**\n * @title ThrottleLib\n * A library that implements a usage throttle that can be used to ensure net issuance\n * or net redemption for an RToken never exceeds some bounds per unit time (hour).\n *\n * It is expected for the RToken to use this library with two instances, one for issuance\n * and one for redemption. Issuance causes the available redemption amount to increase, and\n * visa versa.\n */\nlibrary ThrottleLib {\n using FixLib for uint192;\n\n struct Params {\n uint256 amtRate; // {qRTok/hour} a quantity of RToken hourly; cannot be 0\n uint192 pctRate; // {1/hour} a fraction of RToken hourly; can be 0\n }\n\n struct Throttle {\n // === Gov params ===\n Params params;\n // === Cache ===\n uint48 lastTimestamp; // {seconds}\n uint256 lastAvailable; // {qRTok}\n }\n\n /// Reverts if usage amount exceeds available amount\n /// @param supply {qRTok} Total RToken supply beforehand\n /// @param amount {qRTok} Amount of RToken to use. Should be negative for the issuance\n /// throttle during redemption and for the redemption throttle during issuance.\n function useAvailable(\n Throttle storage throttle,\n uint256 supply,\n int256 amount\n ) internal {\n // untestable: amtRate will always be greater > 0 due to previous validations\n if (throttle.params.amtRate == 0 && throttle.params.pctRate == 0) return;\n\n // Calculate hourly limit\n uint256 limit = hourlyLimit(throttle, supply); // {qRTok}\n\n // Calculate available amount before supply change\n uint256 available = currentlyAvailable(throttle, limit);\n\n // Calculate available amount after supply change\n if (amount > 0) {\n require(uint256(amount) <= available, \"supply change throttled\");\n available -= uint256(amount);\n // untestable: the final else statement, amount will never be 0\n } else if (amount < 0) {\n available += uint256(-amount);\n }\n\n // Update cached values\n throttle.lastAvailable = available;\n throttle.lastTimestamp = uint48(block.timestamp);\n }\n\n /// @param limit {qRTok/hour} The hourly limit\n /// @return available {qRTok} Amount currently available for consumption\n function currentlyAvailable(Throttle storage throttle, uint256 limit)\n internal\n view\n returns (uint256 available)\n {\n uint48 delta = uint48(block.timestamp) - throttle.lastTimestamp; // {seconds}\n available = throttle.lastAvailable + (limit * delta) / ONE_HOUR;\n if (available > limit) available = limit;\n }\n\n /// @return limit {qRTok} The hourly limit\n function hourlyLimit(Throttle storage throttle, uint256 supply)\n internal\n view\n returns (uint256 limit)\n {\n Params storage params = throttle.params;\n\n // Calculate hourly limit as: max(params.amtRate, supply.mul(params.pctRate))\n limit = (supply * params.pctRate) / FIX_ONE_256; // {qRTok}\n if (params.amtRate > limit) limit = params.amtRate;\n }\n}\n"},{"file_path":"/IRevenueTrader.sol","source_code":"// SPDX-License-Identifier: BlueOak-1.0.0\npragma solidity 0.8.17;\n\nimport \"./IComponent.sol\";\nimport \"./ITrading.sol\";\n\n/**\n * @title IRevenueTrader\n * @notice The RevenueTrader is an extension of the trading mixin that trades all\n * assets at its address for a single target asset. There are two runtime instances\n * of the RevenueTrader, 1 for RToken and 1 for RSR.\n */\ninterface IRevenueTrader is IComponent, ITrading {\n // Initialization\n function init(\n IMain main_,\n IERC20 tokenToBuy_,\n uint192 maxTradeSlippage_,\n uint192 minTradeVolume_\n ) external;\n\n /// Processes a single token; unpermissioned\n /// @dev Intended to be used with multicall\n /// @custom:interaction\n function manageToken(IERC20 sell) external;\n}\n\n// solhint-disable-next-line no-empty-blocks\ninterface TestIRevenueTrader is IRevenueTrader, TestITrading {\n function tokenToBuy() external view returns (IERC20);\n}\n"},{"file_path":"/IDistributor.sol","source_code":"// SPDX-License-Identifier: BlueOak-1.0.0\npragma solidity 0.8.17;\n\nimport \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\nimport \"./IComponent.sol\";\n\nstruct RevenueShare {\n uint16 rTokenDist; // {revShare} A value between [0, 10,000]\n uint16 rsrDist; // {revShare} A value between [0, 10,000]\n}\n\n/// Assumes no more than 1024 independent distributions.\nstruct RevenueTotals {\n uint24 rTokenTotal; // {revShare}\n uint24 rsrTotal; // {revShare}\n}\n\n/**\n * @title IDistributor\n * @notice The Distributor Component maintains a revenue distribution table that dictates\n * how to divide revenue across the Furnace, StRSR, and any other destinations.\n */\ninterface IDistributor is IComponent {\n /// Emitted when a distribution is set\n /// @param dest The address set to receive the distribution\n /// @param rTokenDist The distribution of RToken that should go to `dest`\n /// @param rsrDist The distribution of RSR that should go to `dest`\n event DistributionSet(address dest, uint16 rTokenDist, uint16 rsrDist);\n\n /// Emitted when revenue is distributed\n /// @param erc20 The token being distributed, either RSR or the RToken itself\n /// @param source The address providing the revenue\n /// @param amount The amount of the revenue\n event RevenueDistributed(IERC20 indexed erc20, address indexed source, uint256 indexed amount);\n\n // Initialization\n function init(IMain main_, RevenueShare memory dist) external;\n\n /// @custom:governance\n function setDistribution(address dest, RevenueShare memory share) external;\n\n /// Distribute the `erc20` token across all revenue destinations\n /// @custom:interaction\n function distribute(IERC20 erc20, uint256 amount) external;\n\n /// @return revTotals The total of all destinations\n function totals() external view returns (RevenueTotals memory revTotals);\n}\n\ninterface TestIDistributor is IDistributor {\n // solhint-disable-next-line func-name-mixedcase\n function FURNACE() external view returns (address);\n\n // solhint-disable-next-line func-name-mixedcase\n function ST_RSR() external view returns (address);\n\n /// @return rTokenDist The RToken distribution for the address\n /// @return rsrDist The RSR distribution for the address\n function distribution(address) external view returns (uint16 rTokenDist, uint16 rsrDist);\n}\n"},{"file_path":"/ITrade.sol","source_code":"// SPDX-License-Identifier: BlueOak-1.0.0\npragma solidity 0.8.17;\n\nimport \"@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol\";\n\n/**\n * Simple generalized trading interface for all Trade contracts to obey\n *\n * Usage: if (canSettle()) settle()\n */\ninterface ITrade {\n function sell() external view returns (IERC20Metadata);\n\n function buy() external view returns (IERC20Metadata);\n\n /// @return The timestamp at which the trade is projected to become settle-able\n function endTime() external view returns (uint48);\n\n /// @return True if the trade can be settled\n /// @dev Should be guaranteed to be true eventually as an invariant\n function canSettle() external view returns (bool);\n\n /// Complete the trade and transfer tokens back to the origin trader\n /// @return soldAmt {qSellTok} The quantity of tokens sold\n /// @return boughtAmt {qBuyTok} The quantity of tokens bought\n function settle() external returns (uint256 soldAmt, uint256 boughtAmt);\n}\n"},{"file_path":"/IComponent.sol","source_code":"// SPDX-License-Identifier: BlueOak-1.0.0\npragma solidity 0.8.17;\n\nimport \"./IMain.sol\";\nimport \"./IVersioned.sol\";\n\n/**\n * @title IComponent\n * @notice A Component is the central building block of all our system contracts. Components\n * contain important state that must be migrated during upgrades, and they delegate\n * their ownership to Main's owner.\n */\ninterface IComponent is IVersioned {\n function main() external view returns (IMain);\n}\n"},{"file_path":"/IBeaconUpgradeable.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (proxy/beacon/IBeacon.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev This is the interface that {BeaconProxy} expects of its beacon.\n */\ninterface IBeaconUpgradeable {\n /**\n * @dev Must return an address that can be used as a delegate call target.\n *\n * {BeaconProxy} will check that this address is a contract.\n */\n function implementation() external view returns (address);\n}\n"},{"file_path":"/IBasketHandler.sol","source_code":"// SPDX-License-Identifier: BlueOak-1.0.0\npragma solidity 0.8.17;\n\nimport \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\nimport \"../libraries/Fixed.sol\";\nimport \"./IAsset.sol\";\nimport \"./IComponent.sol\";\n\nstruct BasketRange {\n uint192 bottom; // {BU}\n uint192 top; // {BU}\n}\n\n/**\n * @title IBasketHandler\n * @notice The BasketHandler aims to maintain a reference basket of constant target unit amounts.\n * When a collateral token defaults, a new reference basket of equal target units is set.\n * When _all_ collateral tokens default for a target unit, only then is the basket allowed to fall\n * in terms of target unit amounts. The basket is considered defaulted in this case.\n */\ninterface IBasketHandler is IComponent {\n /// Emitted when the prime basket is set\n /// @param erc20s The collateral tokens for the prime basket\n /// @param targetAmts {target/BU} A list of quantities of target unit per basket unit\n /// @param targetNames Each collateral token's targetName\n event PrimeBasketSet(IERC20[] erc20s, uint192[] targetAmts, bytes32[] targetNames);\n\n /// Emitted when the reference basket is set\n /// @param nonce The basket nonce\n /// @param erc20s The list of collateral tokens in the reference basket\n /// @param refAmts {ref/BU} The reference amounts of the basket collateral tokens\n /// @param disabled True when the list of erc20s + refAmts may not be correct\n event BasketSet(uint256 indexed nonce, IERC20[] erc20s, uint192[] refAmts, bool disabled);\n\n /// Emitted when a backup config is set for a target unit\n /// @param targetName The name of the target unit as a bytes32\n /// @param max The max number to use from `erc20s`\n /// @param erc20s The set of backup collateral tokens\n event BackupConfigSet(bytes32 indexed targetName, uint256 indexed max, IERC20[] erc20s);\n\n // Initialization\n function init(IMain main_) external;\n\n /// Set the prime basket\n /// @param erc20s The collateral tokens for the new prime basket\n /// @param targetAmts The target amounts (in) {target/BU} for the new prime basket\n /// required range: 1e9 values; absolute range irrelevant.\n /// @custom:governance\n function setPrimeBasket(IERC20[] memory erc20s, uint192[] memory targetAmts) external;\n\n /// Set the backup configuration for a given target\n /// @param targetName The name of the target as a bytes32\n /// @param max The maximum number of collateral tokens to use from this target\n /// Required range: 1-255\n /// @param erc20s A list of ordered backup collateral tokens\n /// @custom:governance\n function setBackupConfig(\n bytes32 targetName,\n uint256 max,\n IERC20[] calldata erc20s\n ) external;\n\n /// Default the basket in order to schedule a basket refresh\n /// @custom:protected\n function disableBasket() external;\n\n /// Governance-controlled setter to cause a basket switch explicitly\n /// @custom:governance\n /// @custom:interaction\n function refreshBasket() external;\n\n /// @return If the BackingManager has sufficient collateral to redeem the entire RToken supply\n function fullyCollateralized() external view returns (bool);\n\n /// @return status The worst CollateralStatus of all collateral in the basket\n function status() external view returns (CollateralStatus status);\n\n /// @param erc20 The ERC20 token contract for the asset\n /// @return {tok/BU} The whole token quantity of token in the reference basket\n /// Returns 0 if erc20 is not registered or not in the basket\n /// Returns FIX_MAX (in lieu of +infinity) if Collateral.refPerTok() is 0.\n /// Otherwise, returns (token's basket.refAmts / token's Collateral.refPerTok())\n function quantity(IERC20 erc20) external view returns (uint192);\n\n /// Like quantity(), but unsafe because it DOES NOT CONFIRM THAT THE ASSET IS CORRECT\n /// @param erc20 The ERC20 token contract for the asset\n /// @param asset The registered asset plugin contract for the erc20\n /// @return {tok/BU} The whole token quantity of token in the reference basket\n /// Returns 0 if erc20 is not registered or not in the basket\n /// Returns FIX_MAX (in lieu of +infinity) if Collateral.refPerTok() is 0.\n /// Otherwise, returns (token's basket.refAmts / token's Collateral.refPerTok())\n function quantityUnsafe(IERC20 erc20, IAsset asset) external view returns (uint192);\n\n /// @param amount {BU}\n /// @return erc20s The addresses of the ERC20 tokens in the reference basket\n /// @return quantities {qTok} The quantity of each ERC20 token to issue `amount` baskets\n function quote(uint192 amount, RoundingMode rounding)\n external\n view\n returns (address[] memory erc20s, uint256[] memory quantities);\n\n /// @return top {BU} The number of partial basket units: e.g max(coll.map((c) => c.balAsBUs())\n /// bottom {BU} The number of whole basket units held by the account\n function basketsHeldBy(address account) external view returns (BasketRange memory);\n\n /// Should not revert\n /// @return low {UoA/BU} The lower end of the price estimate\n /// @return high {UoA/BU} The upper end of the price estimate\n function price() external view returns (uint192 low, uint192 high);\n\n /// Should not revert\n /// lotLow should be nonzero if a BU could be worth selling\n /// @return lotLow {UoA/tok} The lower end of the lot price estimate\n /// @return lotHigh {UoA/tok} The upper end of the lot price estimate\n function lotPrice() external view returns (uint192 lotLow, uint192 lotHigh);\n\n /// @return timestamp The timestamp at which the basket was last set\n function timestamp() external view returns (uint48);\n\n /// @return The current basket nonce, regardless of status\n function nonce() external view returns (uint48);\n}\n"},{"file_path":"/Versioned.sol","source_code":"// SPDX-License-Identifier: BlueOak-1.0.0\npragma solidity 0.8.17;\n\nimport \"../interfaces/IVersioned.sol\";\n\n// This value should be updated on each release\nstring constant VERSION = \"2.0.0\";\n\n/**\n * @title Versioned\n * @notice A mix-in to track semantic versioning uniformly across contracts.\n */\nabstract contract Versioned is IVersioned {\n function version() public pure virtual override returns (string memory) {\n return VERSION;\n 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SPDX-License-Identifier: BlueOak-1.0.0\npragma solidity 0.8.17;\n\nimport \"@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol\";\nimport \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\nimport \"../interfaces/IMain.sol\";\nimport \"../mixins/ComponentRegistry.sol\";\nimport \"../mixins/Auth.sol\";\nimport \"../mixins/Versioned.sol\";\n\n/**\n * @title Main\n * @notice The center of the system around which Components orbit.\n */\n// solhint-disable max-states-count\ncontract MainP1 is Versioned, Initializable, Auth, ComponentRegistry, UUPSUpgradeable, IMain {\n IERC20 public rsr;\n\n /// @custom:oz-upgrades-unsafe-allow constructor\n // solhint-disable-next-line no-empty-blocks\n constructor() initializer {}\n\n /// Initializer\n function init(\n Components memory components,\n IERC20 rsr_,\n uint48 shortFreeze_,\n uint48 longFreeze_\n ) public virtual initializer {\n require(address(rsr_) != address(0), \"invalid RSR address\");\n __Auth_init(shortFreeze_, longFreeze_);\n __ComponentRegistry_init(components);\n __UUPSUpgradeable_init();\n\n rsr = rsr_;\n emit MainInitialized();\n }\n\n /// @custom:refresher\n /// @custom:interaction CEI\n function poke() external {\n // == Refresher ==\n assetRegistry.refresh();\n\n // == CE block ==\n require(!pausedOrFrozen(), \"paused or frozen\");\n furnace.melt();\n stRSR.payoutRewards();\n }\n\n function hasRole(bytes32 role, address account)\n public\n view\n override(IAccessControlUpgradeable, AccessControlUpgradeable)\n returns (bool)\n {\n return super.hasRole(role, account);\n }\n\n // === Upgradeability ===\n // solhint-disable-next-line no-empty-blocks\n function _authorizeUpgrade(address newImplementation) internal override onlyRole(OWNER) {}\n\n /**\n * @dev This empty reserved space is put in place to allow future versions to add new\n * variables without shifting down storage in the inheritance chain.\n * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n */\n uint256[49] private __gap;\n}\n","sourcify_repo_url":"https://repo.sourcify.dev/contracts/full_match/369/0x143C35bFe04720394eBd18AbECa83eA9D8BEdE2F/","verified_at":"2026-05-17T10:32:06.505943Z","verified_twin_address_hash":null}