Damn Vulnerable DeFi — Challenge #5 Walkthrough

Let’s continue our journey of learning about vulnerable DeFi applications. The next exercise, the-rewarder, challenges us to cheat at getting all of the rewards in a stripped down liquidity pool app:

There's a pool offering rewards in tokens every 5 days for those who deposit their DVT tokens into it.
Alice, Bob, Charlie and David have already deposited some DVT tokens, and have won their rewards!
You don't have any DVT tokens. Luckily, these are really popular nowadays, so there's another pool…