Fast Fiery Crane

High

Lenders can't accept bids

Summary

In the submitBid(with collateral) function of TellerV2.sol, approving process is missing.

https://github.com/sherlock-audit/2024-11-teller-finance-update/blob/main/teller-protocol-v2-audit-2024/packages/contracts/contracts/TellerV2.sol#L306-L335

This makes impossible for lenders to accept bids, because the following code will be reverted.

https://github.com/sherlock-audit/2024-11-teller-finance-update/blob/main/teller-protocol-v2-audit-2024/packages/contracts/contracts/CollateralManager.sol#L405-L409

Root Cause

In TellerV2.sol:335, there is a missing process to approve for CollateralManager.

Impact

Lenders can't accept borrower's bids.

Mitigation

Add approve process in TellerV2.sol:335.