Function: setInterestRate(address _debtor, uint96 _rate)

Available only for minters or callers with an access to this function. Allows to update the compounding interest rate for a debtor. Before the update of debtor.rate, the _debtor.interestCheckpoint will be updated by the current rate, and only after, the new one will be set.

Inputs

• _debtor

  • Constraints: No constraints.

  • Impact: The _debtor for which the interest rate will be updated.

• _rate

  • Constraints: _rate cannot be more than MAX_INTEREST_RATE.

  • Impact: The rate at which interest will be accrued to the debtor.

Branches and code coverage

Intended branches

• Validate that interestCheckpoint was updated using an old rate.

  Test coverage

• The rate was set properly.

  Test coverage

Negative behavior

• Non-whitelisted caller

  Negative test

• The rate is invalid

  Negative test