exercise-aura-deposit.md

AuraLiquidity.deposit exercise

Write your code inside the AuraLiquidity contract

This exercise is designed for you to gain experience adding liquidity to Aura.

function deposit(uint256 rethAmount) external returns (uint256 shares) {
  // Write your code here
}

Instructions

1. Transfer rETH from msg.sender

   • Transfer rETH from msg.sender.
   • Approve Aura (address(depositWrapper)) to spend rETH.

2. Add liquidity

   • Call depositWrapper.depositSingle to add liquidity.

   Hint:

   • See IRewardPoolDepostiWrapper for how to call depositSingle.
   • See exercise on Balancer to see how to prepare parameters to add liquidity.

3. Refund

   • Send any left over rETH in this contract to msg.sender.

4. Return shares

   • Fetch and return the amount of shares this contract holds by calling rewardPool.balanceOf.