Since it's deterministic, you can get a good estimate (in fact exact as long as ...

3np on March 29, 2022 | parent | context | favorite | on: $625M worth of ETH drained on Axie Infinity's Roni...

Since it's deterministic, you can get a good estimate (in fact exact as long as you are not front-run) by simulating the execution locally before submitting it. All major wallets do this.