InterestRateModel

Compound's InterestRateModel Interface

Solidity API

getBorrowRate

Calculates the current borrow interest rate per block

function getBorrowRate(uint256 cash, uint256 borrows, uint256 reserves, uint256 badDebt) external view virtual returns (uint256)

Parameters

Name	Type	Description
cash	uint256	The total amount of cash the market has
borrows	uint256	The total amount of borrows the market has outstanding
reserves	uint256	The total amount of reserves the market has
badDebt	uint256	The amount of badDebt in the market

Return Values

Name	Type	Description
[0]	uint256	The borrow rate per block (as a percentage, and scaled by 1e18)

---

getSupplyRate

Calculates the current supply interest rate per block

function getSupplyRate(uint256 cash, uint256 borrows, uint256 reserves, uint256 reserveFactorMantissa, uint256 badDebt) external view virtual returns (uint256)

Parameters

Name	Type	Description
cash	uint256	The total amount of cash the market has
borrows	uint256	The total amount of borrows the market has outstanding
reserves	uint256	The total amount of reserves the market has
reserveFactorMantissa	uint256	The current reserve factor the market has
badDebt	uint256	The amount of badDebt in the market

Return Values

Name	Type	Description
[0]	uint256	The supply rate per block (as a percentage, and scaled by 1e18)

---

isInterestRateModel

Indicator that this is an InterestRateModel contract (for inspection)

function isInterestRateModel() external pure virtual returns (bool)

Return Values

Name	Type	Description
[0]	bool	Always true