mirror of
https://github.com/Instadapp/fluid-contracts-public.git
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d7a58e88ff
ARB: deploy protocols
66 lines
45 KiB
JSON
66 lines
45 KiB
JSON
{
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"language": "Solidity",
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"sources": {
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"@openzeppelin/contracts/token/ERC20/IERC20.sol": {
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"content": "// 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"
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},
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"contracts/infiniteProxy/interfaces/iProxy.sol": {
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"content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.21;\n\ninterface IProxy {\n function setAdmin(address newAdmin_) external;\n\n function setDummyImplementation(address newDummyImplementation_) external;\n\n function addImplementation(address implementation_, bytes4[] calldata sigs_) external;\n\n function removeImplementation(address implementation_) external;\n\n function getAdmin() external view returns (address);\n\n function getDummyImplementation() external view returns (address);\n\n function getImplementationSigs(address impl_) external view returns (bytes4[] memory);\n\n function getSigsImplementation(bytes4 sig_) external view returns (address);\n\n function readFromStorage(bytes32 slot_) external view returns (uint256 result_);\n}\n"
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},
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"contracts/liquidity/adminModule/structs.sol": {
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"content": "// SPDX-License-Identifier: BUSL-1.1\npragma solidity 0.8.21;\n\nabstract contract Structs {\n struct AddressBool {\n address addr;\n bool value;\n }\n\n struct AddressUint256 {\n address addr;\n uint256 value;\n }\n\n /// @notice struct to set borrow rate data for version 1\n struct RateDataV1Params {\n ///\n /// @param token for rate data\n address token;\n ///\n /// @param kink in borrow rate. in 1e2: 100% = 10_000; 1% = 100\n /// utilization below kink usually means slow increase in rate, once utilization is above kink borrow rate increases fast\n uint256 kink;\n ///\n /// @param rateAtUtilizationZero desired borrow rate when utilization is zero. in 1e2: 100% = 10_000; 1% = 100\n /// i.e. constant minimum borrow rate\n /// e.g. at utilization = 0.01% rate could still be at least 4% (rateAtUtilizationZero would be 400 then)\n uint256 rateAtUtilizationZero;\n ///\n /// @param rateAtUtilizationKink borrow rate when utilization is at kink. in 1e2: 100% = 10_000; 1% = 100\n /// e.g. when rate should be 7% at kink then rateAtUtilizationKink would be 700\n uint256 rateAtUtilizationKink;\n ///\n /// @param rateAtUtilizationMax borrow rate when utilization is maximum at 100%. in 1e2: 100% = 10_000; 1% = 100\n /// e.g. when rate should be 125% at 100% then rateAtUtilizationMax would be 12_500\n uint256 rateAtUtilizationMax;\n }\n\n /// @notice struct to set borrow rate data for version 2\n struct RateDataV2Params {\n ///\n /// @param token for rate data\n address token;\n ///\n /// @param kink1 first kink in borrow rate. in 1e2: 100% = 10_000; 1% = 100\n /// utilization below kink 1 usually means slow increase in rate, once utilization is above kink 1 borrow rate increases faster\n uint256 kink1;\n ///\n /// @param kink2 second kink in borrow rate. in 1e2: 100% = 10_000; 1% = 100\n /// utilization below kink 2 usually means slow / medium increase in rate, once utilization is above kink 2 borrow rate increases fast\n uint256 kink2;\n ///\n /// @param rateAtUtilizationZero desired borrow rate when utilization is zero. in 1e2: 100% = 10_000; 1% = 100\n /// i.e. constant minimum borrow rate\n /// e.g. at utilization = 0.01% rate could still be at least 4% (rateAtUtilizationZero would be 400 then)\n uint256 rateAtUtilizationZero;\n ///\n /// @param rateAtUtilizationKink1 desired borrow rate when utilization is at first kink. in 1e2: 100% = 10_000; 1% = 100\n /// e.g. when rate should be 7% at first kink then rateAtUtilizationKink would be 700\n uint256 rateAtUtilizationKink1;\n ///\n /// @param rateAtUtilizationKink2 desired borrow rate when utilization is at second kink. in 1e2: 100% = 10_000; 1% = 100\n /// e.g. when rate should be 7% at second kink then rateAtUtilizationKink would be 1_200\n uint256 rateAtUtilizationKink2;\n ///\n /// @param rateAtUtilizationMax desired borrow rate when utilization is maximum at 100%. in 1e2: 100% = 10_000; 1% = 100\n /// e.g. when rate should be 125% at 100% then rateAtUtilizationMax would be 12_500\n uint256 rateAtUtilizationMax;\n }\n\n /// @notice struct to set token config\n struct TokenConfig {\n ///\n /// @param token address\n address token;\n ///\n /// @param fee charges on borrower's interest. in 1e2: 100% = 10_000; 1% = 100\n uint256 fee;\n ///\n /// @param threshold on when to update the storage slot. in 1e2: 100% = 10_000; 1% = 100\n uint256 threshold;\n }\n\n /// @notice struct to set user supply & withdrawal config\n struct UserSupplyConfig {\n ///\n /// @param user address\n address user;\n ///\n /// @param token address\n address token;\n ///\n /// @param mode: 0 = without interest. 1 = with interest\n uint8 mode;\n ///\n /// @param expandPercent withdrawal limit expand percent. in 1e2: 100% = 10_000; 1% = 100\n /// Also used to calculate rate at which withdrawal limit should decrease (instant).\n uint256 expandPercent;\n ///\n /// @param expandDuration withdrawal limit expand duration in seconds.\n /// used to calculate rate together with expandPercent\n uint256 expandDuration;\n ///\n /// @param baseWithdrawalLimit base limit, below this, user can withdraw the entire amount.\n /// amount in raw (to be multiplied with exchange price) or normal depends on configured mode in user config for the token:\n /// with interest -> raw, without interest -> normal\n uint256 baseWithdrawalLimit;\n }\n\n /// @notice struct to set user borrow & payback config\n struct UserBorrowConfig {\n ///\n /// @param user address\n address user;\n ///\n /// @param token address\n address token;\n ///\n /// @param mode: 0 = without interest. 1 = with interest\n uint8 mode;\n ///\n /// @param expandPercent debt limit expand percent. in 1e2: 100% = 10_000; 1% = 100\n /// Also used to calculate rate at which debt limit should decrease (instant).\n uint256 expandPercent;\n ///\n /// @param expandDuration debt limit expand duration in seconds.\n /// used to calculate rate together with expandPercent\n uint256 expandDuration;\n ///\n /// @param baseDebtCeiling base borrow limit. until here, borrow limit remains as baseDebtCeiling\n /// (user can borrow until this point at once without stepped expansion). Above this, automated limit comes in place.\n /// amount in raw (to be multiplied with exchange price) or normal depends on configured mode in user config for the token:\n /// with interest -> raw, without interest -> normal\n uint256 baseDebtCeiling;\n ///\n /// @param maxDebtCeiling max borrow ceiling, maximum amount the user can borrow.\n /// amount in raw (to be multiplied with exchange price) or normal depends on configured mode in user config for the token:\n /// with interest -> raw, without interest -> normal\n uint256 maxDebtCeiling;\n }\n}\n"
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},
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"contracts/liquidity/interfaces/iLiquidity.sol": {
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"content": "//SPDX-License-Identifier: MIT\npragma solidity 0.8.21;\n\nimport { IProxy } from \"../../infiniteProxy/interfaces/iProxy.sol\";\nimport { Structs as AdminModuleStructs } from \"../adminModule/structs.sol\";\n\ninterface IFluidLiquidityAdmin {\n /// @notice adds/removes auths. Auths generally could be contracts which can have restricted actions defined on contract.\n /// auths can be helpful in reducing governance overhead where it's not needed.\n /// @param authsStatus_ array of structs setting allowed status for an address.\n /// status true => add auth, false => remove auth\n function updateAuths(AdminModuleStructs.AddressBool[] calldata authsStatus_) external;\n\n /// @notice adds/removes guardians. Only callable by Governance.\n /// @param guardiansStatus_ array of structs setting allowed status for an address.\n /// status true => add guardian, false => remove guardian\n function updateGuardians(AdminModuleStructs.AddressBool[] calldata guardiansStatus_) external;\n\n /// @notice changes the revenue collector address (contract that is sent revenue). Only callable by Governance.\n /// @param revenueCollector_ new revenue collector address\n function updateRevenueCollector(address revenueCollector_) external;\n\n /// @notice changes current status, e.g. for pausing or unpausing all user operations. Only callable by Auths.\n /// @param newStatus_ new status\n /// status = 2 -> pause, status = 1 -> resume.\n function changeStatus(uint256 newStatus_) external;\n\n /// @notice update tokens rate data version 1. Only callable by Auths.\n /// @param tokensRateData_ array of RateDataV1Params with rate data to set for each token\n function updateRateDataV1s(AdminModuleStructs.RateDataV1Params[] calldata tokensRateData_) external;\n\n /// @notice update tokens rate data version 2. Only callable by Auths.\n /// @param tokensRateData_ array of RateDataV2Params with rate data to set for each token\n function updateRateDataV2s(AdminModuleStructs.RateDataV2Params[] calldata tokensRateData_) external;\n\n /// @notice updates token configs: fee charge on borrowers interest & storage update utilization threshold.\n /// Only callable by Auths.\n /// @param tokenConfigs_ contains token address, fee & utilization threshold\n function updateTokenConfigs(AdminModuleStructs.TokenConfig[] calldata tokenConfigs_) external;\n\n /// @notice updates user classes: 0 is for new protocols, 1 is for established protocols.\n /// Only callable by Auths.\n /// @param userClasses_ struct array of uint256 value to assign for each user address\n function updateUserClasses(AdminModuleStructs.AddressUint256[] calldata userClasses_) external;\n\n /// @notice sets user supply configs per token basis. Eg: with interest or interest-free and automated limits.\n /// Only callable by Auths.\n /// @param userSupplyConfigs_ struct array containing user supply config, see `UserSupplyConfig` struct for more info\n function updateUserSupplyConfigs(AdminModuleStructs.UserSupplyConfig[] memory userSupplyConfigs_) external;\n\n /// @notice setting user borrow configs per token basis. Eg: with interest or interest-free and automated limits.\n /// Only callable by Auths.\n /// @param userBorrowConfigs_ struct array containing user borrow config, see `UserBorrowConfig` struct for more info\n function updateUserBorrowConfigs(AdminModuleStructs.UserBorrowConfig[] memory userBorrowConfigs_) external;\n\n /// @notice pause operations for a particular user in class 0 (class 1 users can't be paused by guardians).\n /// Only callable by Guardians.\n /// @param user_ address of user to pause operations for\n /// @param supplyTokens_ token addresses to pause withdrawals for\n /// @param borrowTokens_ token addresses to pause borrowings for\n function pauseUser(address user_, address[] calldata supplyTokens_, address[] calldata borrowTokens_) external;\n\n /// @notice unpause operations for a particular user in class 0 (class 1 users can't be paused by guardians).\n /// Only callable by Guardians.\n /// @param user_ address of user to unpause operations for\n /// @param supplyTokens_ token addresses to unpause withdrawals for\n /// @param borrowTokens_ token addresses to unpause borrowings for\n function unpauseUser(address user_, address[] calldata supplyTokens_, address[] calldata borrowTokens_) external;\n\n /// @notice collects revenue for tokens to configured revenueCollector address.\n /// @param tokens_ array of tokens to collect revenue for\n /// @dev Note that this can revert if token balance is < revenueAmount (utilization > 100%)\n function collectRevenue(address[] calldata tokens_) external;\n\n /// @notice gets the current updated exchange prices for n tokens and updates all prices, rates related data in storage.\n /// @param tokens_ tokens to update exchange prices for\n /// @return supplyExchangePrices_ new supply rates of overall system for each token\n /// @return borrowExchangePrices_ new borrow rates of overall system for each token\n function updateExchangePrices(\n address[] calldata tokens_\n ) external returns (uint256[] memory supplyExchangePrices_, uint256[] memory borrowExchangePrices_);\n}\n\ninterface IFluidLiquidityLogic is IFluidLiquidityAdmin {\n /// @notice Single function which handles supply, withdraw, borrow & payback\n /// @param token_ address of token (0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE for native)\n /// @param supplyAmount_ if +ve then supply, if -ve then withdraw, if 0 then nothing\n /// @param borrowAmount_ if +ve then borrow, if -ve then payback, if 0 then nothing\n /// @param withdrawTo_ if withdrawal then to which address\n /// @param borrowTo_ if borrow then to which address\n /// @param callbackData_ callback data passed to `liquidityCallback` method of protocol\n /// @return memVar3_ updated supplyExchangePrice\n /// @return memVar4_ updated borrowExchangePrice\n /// @dev to trigger skipping in / out transfers when in&out amounts balance themselves out (gas optimization):\n /// - supply(+) == borrow(+), withdraw(-) == payback(-).\n /// - `withdrawTo_` / `borrowTo_` must be msg.sender (protocol)\n /// - `callbackData_` MUST be encoded so that \"from\" address is at last 20 bytes (if this optimization is desired),\n /// also for native token operations where liquidityCallback is not triggered!\n /// from address must come at last position if there is more data. I.e. encode like:\n /// abi.encode(otherVar1, otherVar2, FROM_ADDRESS). Note dynamic types used with abi.encode come at the end\n /// so if dynamic types are needed, you must use abi.encodePacked to ensure the from address is at the end.\n function operate(\n address token_,\n int256 supplyAmount_,\n int256 borrowAmount_,\n address withdrawTo_,\n address borrowTo_,\n bytes calldata callbackData_\n ) external payable returns (uint256 memVar3_, uint256 memVar4_);\n}\n\ninterface IFluidLiquidity is IProxy, IFluidLiquidityLogic {}\n"
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"contracts/periphery/resolvers/liquidity/iLiquidityResolver.sol": {
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"content": "//SPDX-License-Identifier: MIT\npragma solidity 0.8.21;\n\nimport { Structs as LiquidityStructs } from \"../../../periphery/resolvers/liquidity/structs.sol\";\n\ninterface IFluidLiquidityResolver {\n /// @notice gets the `revenueAmount_` for a `token_`.\n function getRevenue(address token_) external view returns (uint256 revenueAmount_);\n\n /// @notice address of contract that gets sent the revenue. Configurable by governance\n function getRevenueCollector() external view returns (address);\n\n /// @notice Liquidity contract paused status: status = 1 -> normal. status = 2 -> paused.\n function getStatus() external view returns (uint256);\n\n /// @notice checks if `auth_` is an allowed auth on Liquidity.\n /// Auths can set most config values. E.g. contracts that automate certain flows like e.g. adding a new fToken.\n /// Governance can add/remove auths. Governance is auth by default.\n function isAuth(address auth_) external view returns (uint256);\n\n /// @notice checks if `guardian_` is an allowed Guardian on Liquidity.\n /// Guardians can pause lower class users.\n /// Governance can add/remove guardians. Governance is guardian by default.\n function isGuardian(address guardian_) external view returns (uint256);\n\n /// @notice gets user class for `user_`. Class defines which protocols can be paused by guardians.\n /// Currently there are 2 classes: 0 can be paused by guardians. 1 cannot be paused by guardians.\n /// New protocols are added as class 0 and will be upgraded to 1 over time.\n function getUserClass(address user_) external view returns (uint256);\n\n /// @notice gets exchangePricesAndConfig packed uint256 storage slot for `token_`.\n function getExchangePricesAndConfig(address token_) external view returns (uint256);\n\n /// @notice gets rateConfig packed uint256 storage slot for `token_`.\n function getRateConfig(address token_) external view returns (uint256);\n\n /// @notice gets totalAmounts packed uint256 storage slot for `token_`.\n function getTotalAmounts(address token_) external view returns (uint256);\n\n /// @notice gets userSupply data packed uint256 storage slot for `user_` and `token_`.\n function getUserSupply(address user_, address token_) external view returns (uint256);\n\n /// @notice gets userBorrow data packed uint256 storage slot for `user_` and `token_`.\n function getUserBorrow(address user_, address token_) external view returns (uint256);\n\n /// @notice returns all `listedTokens_` at the Liquidity contract. Once configured, a token can never be removed.\n function listedTokens() external view returns (address[] memory listedTokens_);\n\n /// @notice get the Rate config data `rateData_` for a `token_` compiled from the packed uint256 rateConfig storage slot\n function getTokenRateData(address token_) external view returns (LiquidityStructs.RateData memory rateData_);\n\n /// @notice get the Rate config datas `rateDatas_` for multiple `tokens_` compiled from the packed uint256 rateConfig storage slot\n function getTokensRateData(\n address[] calldata tokens_\n ) external view returns (LiquidityStructs.RateData[] memory rateDatas_);\n\n /// @notice returns general data for `token_` such as rates, exchange prices, utilization, fee, total amounts etc.\n function getOverallTokenData(\n address token_\n ) external view returns (LiquidityStructs.OverallTokenData memory overallTokenData_);\n\n /// @notice returns general data for multiple `tokens_` such as rates, exchange prices, utilization, fee, total amounts etc.\n function getOverallTokensData(\n address[] calldata tokens_\n ) external view returns (LiquidityStructs.OverallTokenData[] memory overallTokensData_);\n\n /// @notice returns `user_` supply data and general data (such as rates, exchange prices, utilization, fee, total amounts etc.) for `token_`\n function getUserSupplyData(\n address user_,\n address token_\n )\n external\n view\n returns (\n LiquidityStructs.UserSupplyData memory userSupplyData_,\n LiquidityStructs.OverallTokenData memory overallTokenData_\n );\n\n /// @notice returns `user_` supply data and general data (such as rates, exchange prices, utilization, fee, total amounts etc.) for multiple `tokens_`\n function getUserMultipleSupplyData(\n address user_,\n address[] calldata tokens_\n )\n external\n view\n returns (\n LiquidityStructs.UserSupplyData[] memory userSuppliesData_,\n LiquidityStructs.OverallTokenData[] memory overallTokensData_\n );\n\n /// @notice returns `user_` borrow data and general data (such as rates, exchange prices, utilization, fee, total amounts etc.) for `token_`\n function getUserBorrowData(\n address user_,\n address token_\n )\n external\n view\n returns (\n LiquidityStructs.UserBorrowData memory userBorrowData_,\n LiquidityStructs.OverallTokenData memory overallTokenData_\n );\n\n /// @notice returns `user_` borrow data and general data (such as rates, exchange prices, utilization, fee, total amounts etc.) for multiple `tokens_`\n function getUserMultipleBorrowData(\n address user_,\n address[] calldata tokens_\n )\n external\n view\n returns (\n LiquidityStructs.UserBorrowData[] memory userBorrowingsData_,\n LiquidityStructs.OverallTokenData[] memory overallTokensData_\n );\n\n /// @notice returns `user_` supply data and general data (such as rates, exchange prices, utilization, fee, total amounts etc.) for multiple `supplyTokens_`\n /// and returns `user_` borrow data and general data (such as rates, exchange prices, utilization, fee, total amounts etc.) for multiple `borrowTokens_`\n function getUserMultipleBorrowSupplyData(\n address user_,\n address[] calldata supplyTokens_,\n address[] calldata borrowTokens_\n )\n external\n view\n returns (\n LiquidityStructs.UserSupplyData[] memory userSuppliesData_,\n LiquidityStructs.OverallTokenData[] memory overallSupplyTokensData_,\n LiquidityStructs.UserBorrowData[] memory userBorrowingsData_,\n LiquidityStructs.OverallTokenData[] memory overallBorrowTokensData_\n );\n}\n"
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"contracts/periphery/resolvers/liquidity/structs.sol": {
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"content": "// SPDX-License-Identifier: BUSL-1.1\npragma solidity 0.8.21;\n\nimport { Structs as AdminModuleStructs } from \"../../../liquidity/adminModule/structs.sol\";\n\nabstract contract Structs {\n struct RateData {\n uint256 version;\n AdminModuleStructs.RateDataV1Params rateDataV1;\n AdminModuleStructs.RateDataV2Params rateDataV2;\n }\n\n struct OverallTokenData {\n uint256 borrowRate;\n uint256 supplyRate;\n uint256 fee; // revenue fee\n uint256 lastStoredUtilization;\n uint256 storageUpdateThreshold;\n uint256 lastUpdateTimestamp;\n uint256 supplyExchangePrice;\n uint256 borrowExchangePrice;\n uint256 supplyRawInterest;\n uint256 supplyInterestFree;\n uint256 borrowRawInterest;\n uint256 borrowInterestFree;\n uint256 totalSupply;\n uint256 totalBorrow;\n uint256 revenue;\n RateData rateData;\n }\n\n // amounts are always in normal (for withInterest already multiplied with exchange price)\n struct UserSupplyData {\n bool modeWithInterest; // true if mode = with interest, false = without interest\n uint256 supply; // user supply amount\n // the withdrawal limit (e.g. if 10% is the limit, and 100M is supplied, it would be 90M)\n uint256 withdrawalLimit;\n uint256 lastUpdateTimestamp;\n uint256 expandPercent; // withdrawal limit expand percent in 1e2\n uint256 expandDuration; // withdrawal limit expand duration in seconds\n uint256 baseWithdrawalLimit;\n // the current actual max withdrawable amount (e.g. if 10% is the limit, and 100M is supplied, it would be 10M)\n uint256 withdrawableUntilLimit;\n uint256 withdrawable; // actual currently withdrawable amount (supply - withdrawal Limit) & considering balance\n }\n\n // amounts are always in normal (for withInterest already multiplied with exchange price)\n struct UserBorrowData {\n bool modeWithInterest; // true if mode = with interest, false = without interest\n uint256 borrow; // user borrow amount\n uint256 borrowLimit;\n uint256 lastUpdateTimestamp;\n uint256 expandPercent;\n uint256 expandDuration;\n uint256 baseBorrowLimit;\n uint256 maxBorrowLimit;\n uint256 borrowableUntilLimit;\n uint256 borrowable; // actual currently borrowable amount (borrow limit - already borrowed) & considering balance\n }\n}\n"
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"contracts/periphery/resolvers/steth/iStETHResolver.sol": {
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"content": "//SPDX-License-Identifier: MIT\npragma solidity 0.8.21;\n\nimport { IERC20 } from \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\n\nimport { IFluidLiquidityResolver } from \"../liquidity/iLiquidityResolver.sol\";\nimport { IFluidStETHQueue } from \"../../../protocols/steth/interfaces/iStETHQueue.sol\";\nimport { ILidoWithdrawalQueue } from \"../../../protocols/steth/interfaces/external/iLidoWithdrawalQueue.sol\";\nimport { IFluidLiquidity } from \"../../../liquidity/interfaces/iLiquidity.sol\";\nimport { Structs as StETHQueueStructs } from \"../../../protocols/steth/structs.sol\";\nimport { Structs as LiquidityStructs } from \"../liquidity/structs.sol\";\n\ninterface IFluidStETHResolver {\n /// @notice address of the stETHQueue contract\n function STETH_QUEUE() external view returns (IFluidStETHQueue);\n\n /// @notice address of the Lido Withdrawal Queue contract (0x889edC2eDab5f40e902b864aD4d7AdE8E412F9B1)\n function LIDO_WITHDRAWAL_QUEUE() external view returns (ILidoWithdrawalQueue);\n\n /// @notice address of the LiquidityResolver\n function LIQUIDITY_RESOLVER() external view returns (IFluidLiquidityResolver);\n\n /// @notice returns all constants and config values\n function config()\n external\n view\n returns (\n IFluidLiquidity liquidity_,\n ILidoWithdrawalQueue lidoWithdrawalQueue_,\n IERC20 stETH_,\n address owner_,\n uint16 maxLTV_,\n bool allowListActive_,\n bool isPaused_,\n LiquidityStructs.UserBorrowData memory userBorrowData_,\n LiquidityStructs.OverallTokenData memory overallTokenData_\n );\n\n /// @notice checks if a linked claim for `claimTo_` and `claimTo_` is ready to be processed at Lido Withdrawal Queue\n /// @param claimTo_ claimTo receiver to process the claim for\n /// @param requestIdFrom_ Lido requestId from (start), as emitted at time of queuing via `LogQueue`\n function isClaimable(address claimTo_, uint256 requestIdFrom_) external view returns (bool);\n\n /// @notice reads if a certain `auth_` address is an allowed auth or not\n function isAuth(address auth_) external view returns (bool);\n\n /// @notice reads if a certain `guardian_` address is an allowed guardian or not\n function isGuardian(address guardian_) external view returns (bool);\n\n /// @notice reads if a certain `user_` address is an allowed user or not\n function isUserAllowed(address user_) external view returns (bool);\n\n /// @notice reads if the protocol is paused or not\n function isPaused() external view returns (bool);\n\n /// @notice reads a Claim struct containing necessary information for executing the claim process from the mapping\n /// claimTo and requestIdFrom -> claims and the claimable status.\n function claim(\n address claimTo_,\n uint256 requestIdFrom_\n ) external view returns (StETHQueueStructs.Claim memory claim_, bool isClaimable_);\n\n /// @notice returns borrow data and general data (such as rates, exchange prices, utilization, fee, total amounts etc.) for native token\n function getUserBorrowData()\n external\n view\n returns (\n LiquidityStructs.UserBorrowData memory userBorrowData_,\n LiquidityStructs.OverallTokenData memory overallTokenData_\n );\n}\n"
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},
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"contracts/periphery/resolvers/steth/main.sol": {
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"content": "// SPDX-License-Identifier: BUSL-1.1\npragma solidity 0.8.21;\n\nimport { IERC20 } from \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\n\nimport { IFluidLiquidityResolver } from \"../liquidity/iLiquidityResolver.sol\";\nimport { IFluidStETHResolver } from \"./iStETHResolver.sol\";\nimport { IFluidStETHQueue } from \"../../../protocols/steth/interfaces/iStETHQueue.sol\";\nimport { Structs as StETHQueueStructs } from \"../../../protocols/steth/structs.sol\";\nimport { ILidoWithdrawalQueue } from \"../../../protocols/steth/interfaces/external/iLidoWithdrawalQueue.sol\";\nimport { IFluidLiquidity } from \"../../../liquidity/interfaces/iLiquidity.sol\";\nimport { Structs as LiquidityStructs } from \"../liquidity/structs.sol\";\n\n/// @notice Fluid StETH protocol resolver\n/// Implements various view-only methods to give easy access to StETH protocol data.\ncontract FluidStETHResolver is IFluidStETHResolver {\n /// @inheritdoc IFluidStETHResolver\n IFluidStETHQueue public immutable STETH_QUEUE;\n\n /// @inheritdoc IFluidStETHResolver\n ILidoWithdrawalQueue public immutable LIDO_WITHDRAWAL_QUEUE;\n\n /// @inheritdoc IFluidStETHResolver\n IFluidLiquidityResolver public immutable LIQUIDITY_RESOLVER;\n\n /// @dev address that is mapped to the chain native token at Liquidity\n address internal constant NATIVE_TOKEN_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;\n\n /// @notice thrown if an input param address is zero\n error FluidStETHResolver__AddressZero();\n /// @notice thrown if there is no Claim queued for the given input data\n error FluidStETHResolver__NoClaimQueued();\n\n constructor(IFluidStETHQueue stEthQueue_, IFluidLiquidityResolver liquidityResolver_, ILidoWithdrawalQueue lidoWithdrawalQueue_) {\n if (address(stEthQueue_) == address(0) || address(liquidityResolver_) == address(0) || address(lidoWithdrawalQueue_) == address(0)) {\n revert FluidStETHResolver__AddressZero();\n }\n\n STETH_QUEUE = stEthQueue_;\n LIQUIDITY_RESOLVER = liquidityResolver_;\n LIDO_WITHDRAWAL_QUEUE = lidoWithdrawalQueue_;\n }\n\n /// @inheritdoc IFluidStETHResolver\n function isClaimable(address claimTo_, uint256 requestIdFrom_) public view returns (bool) {\n StETHQueueStructs.Claim memory claim_ = STETH_QUEUE.claims(claimTo_, requestIdFrom_);\n\n if (claim_.checkpoint == 0) {\n revert FluidStETHResolver__NoClaimQueued();\n }\n\n uint256 requestsLength_ = claim_.requestIdTo - requestIdFrom_ + 1;\n uint256[] memory requestIds_;\n if (requestsLength_ == 1) {\n // only one request id\n requestIds_ = new uint256[](1);\n requestIds_[0] = requestIdFrom_;\n return LIDO_WITHDRAWAL_QUEUE.getWithdrawalStatus(requestIds_)[0].isFinalized;\n }\n\n // build requestIds array from `requestIdFrom` to `requestIdTo`\n uint256 curRequest_ = requestIdFrom_;\n for (uint256 i; i < requestsLength_; ) {\n requestIds_[i] = curRequest_;\n\n unchecked {\n ++i;\n ++curRequest_;\n }\n }\n\n // get requests statuses\n ILidoWithdrawalQueue.WithdrawalRequestStatus[] memory statuses_ = LIDO_WITHDRAWAL_QUEUE.getWithdrawalStatus(\n requestIds_\n );\n\n // check for each status that it is finalized\n for (uint256 i; i < requestsLength_; ) {\n if (!statuses_[i].isFinalized) {\n return false;\n }\n\n unchecked {\n ++i;\n }\n }\n\n return true;\n }\n\n /// @inheritdoc IFluidStETHResolver\n function config()\n public\n view\n returns (\n IFluidLiquidity liquidity_,\n ILidoWithdrawalQueue lidoWithdrawalQueue_,\n IERC20 stETH_,\n address owner_,\n uint16 maxLTV_,\n bool allowListActive_,\n bool isPaused_,\n LiquidityStructs.UserBorrowData memory userBorrowData_,\n LiquidityStructs.OverallTokenData memory overallTokenData_\n )\n {\n (liquidity_, lidoWithdrawalQueue_, stETH_) = STETH_QUEUE.constantsView();\n maxLTV_ = STETH_QUEUE.maxLTV();\n allowListActive_ = STETH_QUEUE.allowListActive();\n owner_ = STETH_QUEUE.owner();\n isPaused_ = STETH_QUEUE.isPaused();\n (userBorrowData_, overallTokenData_) = getUserBorrowData();\n }\n\n /// @inheritdoc IFluidStETHResolver\n function isAuth(address auth_) public view returns (bool) {\n return STETH_QUEUE.isAuth(auth_);\n }\n\n /// @inheritdoc IFluidStETHResolver\n function isGuardian(address guardian_) public view returns (bool) {\n return STETH_QUEUE.isGuardian(guardian_);\n }\n\n /// @inheritdoc IFluidStETHResolver\n function isUserAllowed(address user_) public view returns (bool) {\n return STETH_QUEUE.isUserAllowed(user_);\n }\n\n /// @inheritdoc IFluidStETHResolver\n function isPaused() public view returns (bool) {\n return STETH_QUEUE.isPaused();\n }\n\n /// @inheritdoc IFluidStETHResolver\n function claim(\n address claimTo_,\n uint256 requestIdFrom_\n ) public view returns (StETHQueueStructs.Claim memory claim_, bool isClaimable_) {\n claim_ = STETH_QUEUE.claims(claimTo_, requestIdFrom_);\n isClaimable_ = isClaimable(claimTo_, requestIdFrom_);\n }\n\n /// @inheritdoc IFluidStETHResolver\n function getUserBorrowData()\n public\n view\n returns (\n LiquidityStructs.UserBorrowData memory userBorrowData_,\n LiquidityStructs.OverallTokenData memory overallTokenData_\n )\n {\n (userBorrowData_, overallTokenData_) = LIQUIDITY_RESOLVER.getUserBorrowData(\n address(STETH_QUEUE),\n NATIVE_TOKEN_ADDRESS\n );\n }\n}\n"
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},
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"contracts/protocols/steth/interfaces/external/iLidoWithdrawalQueue.sol": {
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"content": "//SPDX-License-Identifier: MIT\npragma solidity 0.8.21;\n\ninterface ILidoWithdrawalQueue {\n function balanceOf(address) external view returns (uint);\n\n /**\n * @dev Returns the owner of the `tokenId` token.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function ownerOf(uint256 tokenId) external view returns (address owner);\n\n // code below based on Lido WithdrawalQueueBase.sol\n // see https://github.com/lidofinance/lido-dao/blob/v2.0.0/contracts/0.8.9/WithdrawalQueueBase.sol\n\n /// @notice output format struct for `_getWithdrawalStatus()` method\n struct WithdrawalRequestStatus {\n /// @notice stETH token amount that was locked on withdrawal queue for this request\n uint256 amountOfStETH;\n /// @notice amount of stETH shares locked on withdrawal queue for this request\n uint256 amountOfShares;\n /// @notice address that can claim or transfer this request\n address owner;\n /// @notice timestamp of when the request was created, in seconds\n uint256 timestamp;\n /// @notice true, if request is finalized\n bool isFinalized;\n /// @notice true, if request is claimed. Request is claimable if (isFinalized && !isClaimed)\n bool isClaimed;\n }\n\n /// @notice length of the checkpoint array. Last possible value for the hint.\n /// NB! checkpoints are indexed from 1, so it returns 0 if there is no checkpoints\n function getLastCheckpointIndex() external view returns (uint256);\n\n // code below based on Lido WithdrawalQueue.sol\n // see https://github.com/lidofinance/lido-dao/blob/v2.0.0/contracts/0.8.9/WithdrawalQueue.sol\n\n /// @notice Request the batch of stETH for withdrawal. Approvals for the passed amounts should be done before.\n /// @param _amounts an array of stETH amount values.\n /// The standalone withdrawal request will be created for each item in the passed list.\n /// @param _owner address that will be able to manage the created requests.\n /// If `address(0)` is passed, `msg.sender` will be used as owner.\n /// @return requestIds an array of the created withdrawal request ids\n function requestWithdrawals(\n uint256[] calldata _amounts,\n address _owner\n ) external returns (uint256[] memory requestIds);\n\n /// @notice Claim one`_requestId` request once finalized sending locked ether to the owner\n /// @param _requestId request id to claim\n /// @dev use unbounded loop to find a hint, which can lead to OOG\n /// @dev\n /// Reverts if requestId or hint are not valid\n /// Reverts if request is not finalized or already claimed\n /// Reverts if msg sender is not an owner of request\n function claimWithdrawal(uint256 _requestId) external;\n\n /// @notice Claim a batch of withdrawal requests if they are finalized sending locked ether to the owner\n /// @param _requestIds array of request ids to claim\n /// @param _hints checkpoint hint for each id. Can be obtained with `findCheckpointHints()`\n /// @dev\n /// Reverts if requestIds and hints arrays length differs\n /// Reverts if any requestId or hint in arguments are not valid\n /// Reverts if any request is not finalized or already claimed\n /// Reverts if msg sender is not an owner of the requests\n function claimWithdrawals(uint256[] calldata _requestIds, uint256[] calldata _hints) external;\n\n //// @notice Returns all withdrawal requests that belongs to the `_owner` address\n ///\n /// WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed\n /// to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that\n /// this function has an unbounded cost, and using it as part of a state-changing function may render the function\n /// uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.\n function getWithdrawalRequests(address _owner) external view returns (uint256[] memory requestsIds);\n\n /// @notice Finds the list of hints for the given `_requestIds` searching among the checkpoints with indices\n /// in the range `[_firstIndex, _lastIndex]`.\n /// NB! Array of request ids should be sorted\n /// NB! `_firstIndex` should be greater than 0, because checkpoint list is 1-based array\n /// Usage: findCheckpointHints(_requestIds, 1, getLastCheckpointIndex())\n /// @param _requestIds ids of the requests sorted in the ascending order to get hints for\n /// @param _firstIndex left boundary of the search range. Should be greater than 0\n /// @param _lastIndex right boundary of the search range. Should be less than or equal to getLastCheckpointIndex()\n /// @return hintIds array of hints used to find required checkpoint for the request\n function findCheckpointHints(\n uint256[] calldata _requestIds,\n uint256 _firstIndex,\n uint256 _lastIndex\n ) external view returns (uint256[] memory hintIds);\n\n /// @notice Returns status for requests with provided ids\n /// @param _requestIds array of withdrawal request ids\n function getWithdrawalStatus(\n uint256[] calldata _requestIds\n ) external view returns (WithdrawalRequestStatus[] memory statuses);\n\n /// @notice maximum amount of stETH that is possible to withdraw by a single request\n /// Prevents accumulating too much funds per single request fulfillment in the future.\n /// @dev To withdraw larger amounts, it's recommended to split it to several requests\n function MAX_STETH_WITHDRAWAL_AMOUNT() external view returns (uint256);\n\n /// @notice minimum amount of stETH that is possible to withdraw by a single request\n function MIN_STETH_WITHDRAWAL_AMOUNT() external view returns (uint256);\n\n // code below based on Lido WithdrawalQueueERC721.sol\n // see https://github.com/lidofinance/lido-dao/blob/v2.0.0/contracts/0.8.9/WithdrawalQueueERC721.sol\n\n /// @notice Finalize requests from last finalized one up to `_lastRequestIdToBeFinalized`\n /// @dev ether to finalize all the requests should be calculated using `prefinalize()` and sent along\n function finalize(uint256 _lastRequestIdToBeFinalized, uint256 _maxShareRate) external payable;\n}\n"
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},
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"contracts/protocols/steth/interfaces/iStETHQueue.sol": {
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"content": "//SPDX-License-Identifier: MIT\npragma solidity 0.8.21;\n\nimport { IERC20 } from \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\n\nimport { Structs } from \"../structs.sol\";\nimport { IFluidLiquidity } from \"../../../liquidity/interfaces/iLiquidity.sol\";\nimport { ILidoWithdrawalQueue } from \"../interfaces/external/iLidoWithdrawalQueue.sol\";\n\ninterface IFluidStETHQueue {\n /// @notice returns the constant values for LIQUIDITY, LIDO_WITHDRAWAL_QUEUE, STETH\n function constantsView() external view returns (IFluidLiquidity, ILidoWithdrawalQueue, IERC20);\n\n /// @notice gets an open Claim for `claimTo_` and `requestIdFrom_`\n function claims(address claimTo_, uint256 requestIdFrom_) external view returns (Structs.Claim memory);\n\n /// @notice reads if a certain `auth_` address is an allowed auth or not\n function isAuth(address auth_) external view returns (bool);\n\n /// @notice reads if a certain `guardian_` address is an allowed guardian or not\n function isGuardian(address guardian_) external view returns (bool);\n\n /// @notice reads if a certain `user_` address is an allowed user or not\n function isUserAllowed(address user_) external view returns (bool);\n\n /// @notice maximum allowed percentage of LTV (loan-to-value). E.g. 90% -> max. 90 ETH can be borrowed with 100 stETH\n /// as collateral in withdrawal queue. ETH will be received at time of claim to cover the paid borrowed ETH amount.\n /// In 1e2 (1% = 100, 90% = 9_000, 100% = 10_000).\n /// Configurable by auths.\n function maxLTV() external view returns (uint16);\n\n /// @notice flag whether allow list behavior is enabled or not.\n function allowListActive() external view returns (bool);\n\n /// @notice reads if the protocol is paused or not\n function isPaused() external view returns (bool);\n\n /// @notice reads owner address\n function owner() external view returns (address);\n}\n"
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},
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"contracts/protocols/steth/structs.sol": {
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"content": "// SPDX-License-Identifier: BUSL-1.1\npragma solidity 0.8.21;\n\nabstract contract Structs {\n /// @notice Claim data struct for storage link to owner address\n struct Claim {\n /// @param borrowAmountRaw raw borrow amount at Liquidity. Multiply with borrowExchangePrice to get normal borrow amount\n uint128 borrowAmountRaw;\n /// @param checkpoint checkpoint at time of queue. optimizes finding checkpoint hints range at claim time.\n uint48 checkpoint;\n /// @param requestIdTo last request Id linked to the claim\n uint40 requestIdTo;\n // 5 bytes empty\n }\n}\n"
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}
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},
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"settings": {
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"optimizer": {
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"enabled": true,
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"runs": 10000000
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},
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"evmVersion": "paris",
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"outputSelection": {
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"*": {
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"*": [
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"abi",
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"evm.bytecode",
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"evm.deployedBytecode",
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"evm.methodIdentifiers",
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"metadata",
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"devdoc",
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"userdoc",
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"storageLayout",
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"evm.gasEstimates"
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],
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"": [
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"ast"
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]
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}
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},
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"metadata": {
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"useLiteralContent": true
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}
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}
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} |