# `AuraLiquidity.exit` exercise Write your code inside the [`AuraLiquidity` contract](https://github.com/Cyfrin/defi-reth/blob/main/foundry/src/exercises/AuraLiquidity.sol) This exercise is design for you to gain experience removing liquidity from Aura. ```solidity function exit(uint256 shares, uint256 minRethAmountOut) external auth { // Write your code here } ``` ## Instructions 1. **Withdraw BPT from Aura** - Withdraw BPT from Aura by calling `rewardPool.withdrawAndUnwrap`. - Check that `withdrawAndUnwrap` returns `true`. 2. **Get BPT balance** - Get BPT balance of this contract. 3. **Remove liquidity from Balancer** - Withdraw liquidity all in rETH from Balancer to `msg.sender`. > **Hint:** - See exercise on Balancer to see how to prepare parameters to remove liquidity. ## Testing ```shell forge test --fork-url $FORK_URL --match-path test/exercise-aura.sol --match-test test_depositAndExit -vvv ```