{
    "Function": "slitherConstructorConstantVariables",
    "File": "contracts/InterestRateModel.sol",
    "Parent Contracts": [],
    "High-Level Calls": [],
    "Internal Calls": [],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "contract InterestRateModel {\n\n  // Per block\n  uint public constant MIN_RATE  = 0;\n  uint public constant LOW_RATE  = 8371385083713;   // 20%    / year = 20e18   / 365 / 86400 * 13.2 (block time)\n  uint public constant HIGH_RATE = 418569254185692; // 1,000% / year = 1000e18 / 365 / 86400 * 13.2 (block time)\n\n  uint public constant TARGET_UTILIZATION = 80e18; // 80%\n  uint public constant SYSTEM_RATE        = 50e18; // share of fees earned by the system\n\n  function supplyRatePerBlock(ILendingPair _pair, address _token) external view returns(uint) {\n    return borrowRatePerBlock(_pair, _token) * (100e18 - SYSTEM_RATE) / 100e18;\n  }\n\n  function borrowRatePerBlock(ILendingPair _pair, address _token) public view returns(uint) {\n    uint debt = _pair.totalDebt(_token);\n    uint supply = IERC20(_pair.lpToken(_token)).totalSupply();\n\n    if (supply == 0 || debt == 0) { return MIN_RATE; }\n\n    uint utilization = Math.min(debt * 100e18 / supply, 100e18);\n\n    if (utilization < TARGET_UTILIZATION) {\n      uint rate = LOW_RATE * utilization / 100e18;\n      return (rate < MIN_RATE) ? MIN_RATE : rate;\n    } else {\n      utilization = 100e18 * ( debt - (supply * TARGET_UTILIZATION / 100e18) ) / (supply * (100e18 - TARGET_UTILIZATION) / 100e18);\n      utilization = Math.min(utilization, 100e18);\n      return LOW_RATE + (HIGH_RATE - LOW_RATE) * utilization / 100e18;\n    }\n  }\n\n  function utilizationRate(ILendingPair _pair, address _token) external view returns(uint) {\n    uint debt = _pair.totalDebt(_token);\n    uint supply = IERC20(_pair.lpToken(_token)).totalSupply();\n\n    if (supply == 0 || debt == 0) { return 0; }\n\n    return Math.min(debt * 100e18 / supply, 100e18);\n  }\n\n  // InterestRateModel can later be replaced for more granular fees per _lendingPair\n  function systemRate(ILendingPair _pair, address _token) external pure returns(uint) {\n    return SYSTEM_RATE;\n  }\n}"
}