{ "address": "0xfB20Ff156Abe35aABaf6c2E9F798413aC90176fA", "abi": [ { "inputs": [ { "internalType": "uint256", "name": "duration_", "type": "uint256" }, { "internalType": "uint256", "name": "startTvl_", "type": "uint256" }, { "internalType": "uint256", "name": "rewardAmount_", "type": "uint256" }, { "internalType": "address", "name": "initiator_", "type": "address" } ], "stateMutability": "nonpayable", "type": "constructor" }, { "inputs": [ { "internalType": "uint256", "name": "errorId_", "type": "uint256" } ], "name": "FluidLendingError", "type": "error" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "uint256", "name": "startTime", "type": "uint256" }, { "indexed": false, "internalType": "uint256", "name": "endTime", "type": "uint256" } ], "name": "LogRewardsStarted", "type": "event" }, { "inputs": [], "name": "getConfig", "outputs": [ { "internalType": "uint256", "name": "duration_", "type": "uint256" }, { "internalType": "uint256", "name": "startTime_", "type": "uint256" }, { "internalType": "uint256", "name": "endTime_", "type": "uint256" }, { "internalType": "uint256", "name": "startTvl_", "type": "uint256" }, { "internalType": "uint256", "name": "maxRate_", "type": "uint256" }, { "internalType": "uint256", "name": "rewardAmount_", "type": "uint256" }, { "internalType": "address", "name": "initiator_", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "totalAssets_", "type": "uint256" } ], "name": "getRate", "outputs": [ { "internalType": "uint256", "name": "rate_", "type": "uint256" }, { "internalType": "bool", "name": "ended_", "type": "bool" }, { "internalType": "uint256", "name": "startTime_", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "start", "outputs": [], "stateMutability": "nonpayable", "type": "function" } ], "transactionHash": "0x3119a874c0691c6e0f9db5060247cd8c3dcf02f2211867058341df7c0185305d", "receipt": { "to": "0x4e59b44847b379578588920cA78FbF26c0B4956C", "from": "0x0Ed35B1609Ec45c7079E80d11149a52717e4859A", "contractAddress": null, "transactionIndex": 98, "gasUsed": "373607", "logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000", "blockHash": "0x14ed6daa99efb629460dbca4582d0672d948c4721f915dc7876187268124888e", "transactionHash": "0x3119a874c0691c6e0f9db5060247cd8c3dcf02f2211867058341df7c0185305d", "logs": [], "blockNumber": 19245681, "cumulativeGasUsed": "15244520", "status": 1, "byzantium": true }, "args": [ 7776000, "1000000000", "250000000000", "0x4F6F977aCDD1177DCD81aB83074855EcB9C2D49e" ], "numDeployments": 1, "solcInputHash": "1f22fdbe9105b3785c386ffdea0d074f", "metadata": "{\"compiler\":{\"version\":\"0.8.21+commit.d9974bed\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"duration_\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"startTvl_\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"rewardAmount_\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"initiator_\",\"type\":\"address\"}],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"errorId_\",\"type\":\"uint256\"}],\"name\":\"FluidLendingError\",\"type\":\"error\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"startTime\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"endTime\",\"type\":\"uint256\"}],\"name\":\"LogRewardsStarted\",\"type\":\"event\"},{\"inputs\":[],\"name\":\"getConfig\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"duration_\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"startTime_\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"endTime_\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"startTvl_\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"maxRate_\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"rewardAmount_\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"initiator_\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"totalAssets_\",\"type\":\"uint256\"}],\"name\":\"getRate\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"rate_\",\"type\":\"uint256\"},{\"internalType\":\"bool\",\"name\":\"ended_\",\"type\":\"bool\"},{\"internalType\":\"uint256\",\"name\":\"startTime_\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"start\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],\"devdoc\":{\"kind\":\"dev\",\"methods\":{\"constructor\":{\"params\":{\"duration_\":\"for how long rewards should run\",\"initiator_\":\"address which has access to kickstart the rewards\",\"rewardAmount_\":\"total amount of underlying asset to be distributed as rewards\",\"startTvl_\":\"tvl below which rate is 0\"}},\"getRate(uint256)\":{\"params\":{\"totalAssets_\":\"amount of assets in the lending\"},\"returns\":{\"ended_\":\"flag to signal that rewards have ended (always 0 going forward)\",\"rate_\":\"rewards rate percentage per year with 1e12 RATE_PRECISION, e.g. 1e12 = 1%, 1e14 = 100%\",\"startTime_\":\"start time of rewards to compare against last update timestamp\"}}},\"stateVariables\":{\"DURATION\":{\"details\":\"for how long rewards should run\"},\"INITIATOR\":{\"details\":\"address which has access to call start() which kickstarts the rewards\"},\"MAX_RATE\":{\"details\":\"maximum rewards rate is 50%. no config higher than this should be possible.\"},\"RATE_PRECISION\":{\"details\":\"precision decimals for rewards rate\"},\"REWARD_AMOUNT\":{\"details\":\"total amounts to be distributed. not needed but stored for easier tracking via `getConfig`\"},\"START_TVL\":{\"details\":\"tvl below which rewards rate is 0\"},\"YEARLY_REWARD\":{\"details\":\"annualized reward based on constructor input params (duration, rewardAmount)\"},\"endTime\":{\"details\":\"when rewards will get over\"},\"startTime\":{\"details\":\"when rewards got started\"}},\"title\":\"LendingRewardsRateModel\",\"version\":1},\"userdoc\":{\"events\":{\"LogRewardsStarted(uint256,uint256)\":{\"notice\":\"Emitted when rewards are started\"}},\"kind\":\"user\",\"methods\":{\"constructor\":{\"notice\":\"sets immutable vars for rewards rate config based on input params.\"},\"getConfig()\":{\"notice\":\"Returns config constants for rewards rate model\"},\"getRate(uint256)\":{\"notice\":\"Calculates the current rewards rate (APR)\"}},\"notice\":\"Calculates rewards rate used for an fToken based on a rewardAmount over a given duration. Rewards start once the allowed initiator address triggers `start()` and only accrue above a certain startTVL. Max rate cap is at 50%.\",\"version\":1}},\"settings\":{\"compilationTarget\":{\"contracts/protocols/lending/lendingRewardsRateModel/main.sol\":\"FluidLendingRewardsRateModel\"},\"evmVersion\":\"paris\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\",\"useLiteralContent\":true},\"optimizer\":{\"enabled\":true,\"runs\":10000000},\"remappings\":[]},\"sources\":{\"contracts/protocols/lending/error.sol\":{\"content\":\"// SPDX-License-Identifier: BUSL-1.1\\npragma solidity 0.8.21;\\n\\nabstract contract Error {\\n error FluidLendingError(uint256 errorId_);\\n}\\n\",\"keccak256\":\"0x8bbab41073bf694d12cc3ce8581ce657ae0eb3ded19677bcce438d2299835a98\",\"license\":\"BUSL-1.1\"},\"contracts/protocols/lending/errorTypes.sol\":{\"content\":\"// SPDX-License-Identifier: BUSL-1.1\\npragma solidity 0.8.21;\\n\\nlibrary ErrorTypes {\\n /***********************************|\\n | fToken | \\n |__________________________________*/\\n\\n /// @notice thrown when a deposit amount is too small to increase BigMath stored balance in Liquidity.\\n /// precision of BigMath is 1e12, so if token holds 120_000_000_000 USDC, min amount to make a difference would be 0.1 USDC.\\n /// i.e. user would send a very small deposit which mints no shares -> revert\\n uint256 internal constant fToken__DepositInsignificant = 20001;\\n\\n /// @notice thrown when minimum output amount is not reached, e.g. for minimum shares minted (deposit) or\\n /// minimum assets received (redeem)\\n uint256 internal constant fToken__MinAmountOut = 20002;\\n\\n /// @notice thrown when maximum amount is surpassed, e.g. for maximum shares burned (withdraw) or\\n /// maximum assets input (mint)\\n uint256 internal constant fToken__MaxAmount = 20003;\\n\\n /// @notice thrown when invalid params are sent to a method, e.g. zero address\\n uint256 internal constant fToken__InvalidParams = 20004;\\n\\n /// @notice thrown when an unauthorized caller is trying to execute an auth-protected method\\n uint256 internal constant fToken__Unauthorized = 20005;\\n\\n /// @notice thrown when a with permit / signature method is called from msg.sender that is the owner.\\n /// Should call the method without permit instead if msg.sender is the owner.\\n uint256 internal constant fToken__PermitFromOwnerCall = 20006;\\n\\n /// @notice thrown when a reentrancy is detected.\\n uint256 internal constant fToken__Reentrancy = 20007;\\n\\n /// @notice thrown when _tokenExchangePrice overflows type(uint64).max\\n uint256 internal constant fToken__ExchangePriceOverflow = 20008;\\n\\n /// @notice thrown when msg.sender is not rebalancer\\n uint256 internal constant fToken__NotRebalancer = 20009;\\n\\n /// @notice thrown when rebalance is called with msg.value > 0 for non NativeUnderlying fToken\\n uint256 internal constant fToken__NotNativeUnderlying = 20010;\\n\\n /// @notice thrown when the received new liquidity exchange price is of unexpected value (< than the old one)\\n uint256 internal constant fToken__LiquidityExchangePriceUnexpected = 20011;\\n\\n /***********************************|\\n | fToken Native Underlying | \\n |__________________________________*/\\n\\n /// @notice thrown when native deposit is called but sent along `msg.value` does not cover the deposit amount\\n uint256 internal constant fTokenNativeUnderlying__TransferInsufficient = 21001;\\n\\n /// @notice thrown when a liquidity callback is called for a native token operation\\n uint256 internal constant fTokenNativeUnderlying__UnexpectedLiquidityCallback = 21002;\\n\\n /***********************************|\\n | Lending Factory | \\n |__________________________________*/\\n\\n /// @notice thrown when a method is called with invalid params\\n uint256 internal constant LendingFactory__InvalidParams = 22001;\\n\\n /// @notice thrown when the provided input param address is zero\\n uint256 internal constant LendingFactory__ZeroAddress = 22002;\\n\\n /// @notice thrown when the token already exists\\n uint256 internal constant LendingFactory__TokenExists = 22003;\\n\\n /// @notice thrown when the fToken has not yet been configured at Liquidity\\n uint256 internal constant LendingFactory__LiquidityNotConfigured = 22004;\\n\\n /// @notice thrown when an unauthorized caller is trying to execute an auth-protected method\\n uint256 internal constant LendingFactory__Unauthorized = 22005;\\n\\n /***********************************|\\n | Lending Rewards Rate Model | \\n |__________________________________*/\\n\\n /// @notice thrown when invalid params are given as input\\n uint256 internal constant LendingRewardsRateModel__InvalidParams = 23001;\\n\\n /// @notice thrown when calculated rewards rate is exceeding the maximum rate\\n uint256 internal constant LendingRewardsRateModel__MaxRate = 23002;\\n\\n /// @notice thrown when start is called by any other address other than initiator\\n uint256 internal constant LendingRewardsRateModel__NotTheInitiator = 23003;\\n\\n /// @notice thrown when start is called after the rewards are already started\\n uint256 internal constant LendingRewardsRateModel__AlreadyStarted = 23004;\\n\\n /// @notice thrown when the provided input param address is zero\\n uint256 internal constant LendingRewardsRateModel__ZeroAddress = 23005;\\n}\\n\",\"keccak256\":\"0x433407a36dd63694d7b18185e5c5508f39c98599975b98ede0077aab9f69b952\",\"license\":\"BUSL-1.1\"},\"contracts/protocols/lending/interfaces/iLendingRewardsRateModel.sol\":{\"content\":\"//SPDX-License-Identifier: MIT\\npragma solidity 0.8.21;\\n\\ninterface IFluidLendingRewardsRateModel {\\n /// @notice Calculates the current rewards rate (APR)\\n /// @param totalAssets_ amount of assets in the lending\\n /// @return rate_ rewards rate percentage per year with 1e12 RATE_PRECISION, e.g. 1e12 = 1%, 1e14 = 100%\\n /// @return ended_ flag to signal that rewards have ended (always 0 going forward)\\n /// @return startTime_ start time of rewards to compare against last update timestamp\\n function getRate(uint256 totalAssets_) external view returns (uint256 rate_, bool ended_, uint256 startTime_);\\n\\n /// @notice Returns config constants for rewards rate model\\n function getConfig()\\n external\\n view\\n returns (\\n uint256 duration_,\\n uint256 startTime_,\\n uint256 endTime_,\\n uint256 startTvl_,\\n uint256 maxRate_,\\n uint256 rewardAmount_,\\n address initiator_\\n );\\n}\\n\",\"keccak256\":\"0x04a6f1df74f55ba643f27ff08cd5bb9722c31d16b4782d1b090335845359196d\",\"license\":\"MIT\"},\"contracts/protocols/lending/lendingRewardsRateModel/main.sol\":{\"content\":\"// SPDX-License-Identifier: BUSL-1.1\\npragma solidity 0.8.21;\\n\\nimport { IFluidLendingRewardsRateModel } from \\\"../interfaces/iLendingRewardsRateModel.sol\\\";\\nimport { ErrorTypes } from \\\"../errorTypes.sol\\\";\\nimport { Error } from \\\"../error.sol\\\";\\n\\n/// @title LendingRewardsRateModel\\n/// @notice Calculates rewards rate used for an fToken based on a rewardAmount over a given duration. \\n/// Rewards start once the allowed initiator address triggers `start()` and only accrue above a certain startTVL.\\n/// Max rate cap is at 50%.\\ncontract FluidLendingRewardsRateModel is IFluidLendingRewardsRateModel, Error {\\n /// @notice Emitted when rewards are started\\n event LogRewardsStarted(uint256 startTime, uint256 endTime);\\n\\n /// @dev precision decimals for rewards rate\\n uint256 internal constant RATE_PRECISION = 1e12;\\n\\n uint256 internal constant SECONDS_PER_YEAR = 365 days;\\n\\n /// @dev maximum rewards rate is 50%. no config higher than this should be possible.\\n uint256 internal constant MAX_RATE = 50 * RATE_PRECISION; // 1e12 = 1%, this is 50%.\\n\\n /// @dev tvl below which rewards rate is 0\\n uint256 internal immutable START_TVL;\\n\\n /// @dev for how long rewards should run\\n uint256 internal immutable DURATION;\\n\\n /// @dev annualized reward based on constructor input params (duration, rewardAmount)\\n uint256 internal immutable YEARLY_REWARD;\\n\\n /// @dev total amounts to be distributed. not needed but stored for easier tracking via `getConfig`\\n uint256 internal immutable REWARD_AMOUNT;\\n\\n /// @dev address which has access to call start() which kickstarts the rewards\\n address internal immutable INITIATOR;\\n\\n /// @dev when rewards got started\\n uint96 internal startTime;\\n /// @dev when rewards will get over\\n uint96 internal endTime;\\n\\n /// @dev Validates that an address is not the zero address\\n modifier validAddress(address value_) {\\n if (value_ == address(0)) {\\n revert FluidLendingError(ErrorTypes.LendingRewardsRateModel__ZeroAddress);\\n }\\n _;\\n }\\n\\n /// @notice sets immutable vars for rewards rate config based on input params.\\n /// @param duration_ for how long rewards should run\\n /// @param startTvl_ tvl below which rate is 0\\n /// @param rewardAmount_ total amount of underlying asset to be distributed as rewards\\n /// @param initiator_ address which has access to kickstart the rewards\\n constructor(uint256 duration_, uint256 startTvl_, uint256 rewardAmount_, address initiator_) validAddress(initiator_) {\\n // sanity checks\\n if (duration_ == 0 || rewardAmount_ == 0 || startTvl_ == 0) {\\n revert FluidLendingError(ErrorTypes.LendingRewardsRateModel__InvalidParams);\\n }\\n\\n START_TVL = startTvl_;\\n DURATION = duration_;\\n REWARD_AMOUNT = rewardAmount_;\\n INITIATOR = initiator_;\\n\\n YEARLY_REWARD = (rewardAmount_ * SECONDS_PER_YEAR) / DURATION;\\n }\\n\\n /// @inheritdoc IFluidLendingRewardsRateModel\\n function getConfig()\\n external\\n view\\n returns (\\n uint256 duration_,\\n uint256 startTime_,\\n uint256 endTime_,\\n uint256 startTvl_,\\n uint256 maxRate_,\\n uint256 rewardAmount_,\\n address initiator_\\n )\\n {\\n return (DURATION, startTime, endTime, START_TVL, MAX_RATE, REWARD_AMOUNT, INITIATOR);\\n }\\n\\n /// @inheritdoc IFluidLendingRewardsRateModel\\n function getRate(uint256 totalAssets_) public view returns (uint256 rate_, bool ended_, uint256 startTime_) {\\n startTime_ = startTime;\\n uint endTime_ = endTime;\\n if (startTime_ == 0 || endTime_ == 0) {\\n return (0, false, startTime_);\\n }\\n if (block.timestamp > endTime_) {\\n return (0, true, startTime_);\\n }\\n if (block.timestamp < startTime_) {\\n return (0, false, startTime_);\\n }\\n if (totalAssets_ < START_TVL) {\\n return (0, false, startTime_);\\n }\\n\\n rate_ = (YEARLY_REWARD * 1e14) / totalAssets_;\\n\\n return (rate_ > MAX_RATE ? MAX_RATE : rate_, false, startTime_);\\n }\\n\\n function start() external {\\n if (msg.sender != INITIATOR) {\\n revert FluidLendingError(ErrorTypes.LendingRewardsRateModel__NotTheInitiator);\\n }\\n if (startTime > 0 || endTime > 0) {\\n revert FluidLendingError(ErrorTypes.LendingRewardsRateModel__AlreadyStarted);\\n }\\n startTime = uint96(block.timestamp);\\n endTime = uint96(block.timestamp + DURATION);\\n\\n emit LogRewardsStarted(startTime, endTime);\\n }\\n\\n}\\n\",\"keccak256\":\"0x7db8eb8a3cee6adb90fe202ad826dff481f2383d1c7ce0e351aabd73b14b0c56\",\"license\":\"BUSL-1.1\"}},\"version\":1}", "bytecode": 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"devdoc": { "kind": "dev", "methods": { "constructor": { "params": { "duration_": "for how long rewards should run", "initiator_": "address which has access to kickstart the rewards", "rewardAmount_": "total amount of underlying asset to be distributed as rewards", "startTvl_": "tvl below which rate is 0" } }, "getRate(uint256)": { "params": { "totalAssets_": "amount of assets in the lending" }, "returns": { "ended_": "flag to signal that rewards have ended (always 0 going forward)", "rate_": "rewards rate percentage per year with 1e12 RATE_PRECISION, e.g. 1e12 = 1%, 1e14 = 100%", "startTime_": "start time of rewards to compare against last update timestamp" } } }, "stateVariables": { "DURATION": { "details": "for how long rewards should run" }, "INITIATOR": { "details": "address which has access to call start() which kickstarts the rewards" }, "MAX_RATE": { "details": "maximum rewards rate is 50%. no config higher than this should be possible." }, "RATE_PRECISION": { "details": "precision decimals for rewards rate" }, "REWARD_AMOUNT": { "details": "total amounts to be distributed. not needed but stored for easier tracking via `getConfig`" }, "START_TVL": { "details": "tvl below which rewards rate is 0" }, "YEARLY_REWARD": { "details": "annualized reward based on constructor input params (duration, rewardAmount)" }, "endTime": { "details": "when rewards will get over" }, "startTime": { "details": "when rewards got started" } }, "title": "LendingRewardsRateModel", "version": 1 }, "userdoc": { "events": { "LogRewardsStarted(uint256,uint256)": { "notice": "Emitted when rewards are started" } }, "kind": "user", "methods": { "constructor": { "notice": "sets immutable vars for rewards rate config based on input params." }, "getConfig()": { "notice": "Returns config constants for rewards rate model" }, "getRate(uint256)": { "notice": "Calculates the current rewards rate (APR)" } }, "notice": "Calculates rewards rate used for an fToken based on a rewardAmount over a given duration. Rewards start once the allowed initiator address triggers `start()` and only accrue above a certain startTVL. Max rate cap is at 50%.", "version": 1 }, "storageLayout": { "storage": [ { "astId": 20010, "contract": "contracts/protocols/lending/lendingRewardsRateModel/main.sol:FluidLendingRewardsRateModel", "label": "startTime", "offset": 0, "slot": "0", "type": "t_uint96" }, { "astId": 20013, "contract": "contracts/protocols/lending/lendingRewardsRateModel/main.sol:FluidLendingRewardsRateModel", "label": "endTime", "offset": 12, "slot": "0", "type": "t_uint96" } ], "types": { "t_uint96": { "encoding": "inplace", "label": "uint96", "numberOfBytes": "12" } } } }