20,000 USDC
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Submission Details
Severity: medium
Valid

Pool manager can hike interest rates without user knowing

A pool manager can frontrun borrow with updateInterestRate by setting 
a really high interest rate. Then they can switch it back to normal. That way a user won't have a clue about astronomical interest rates until they have to pay the loan.

Mitigation steps:

Add aggreedInterestRate inside borrow and compare it with the one in the pool

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