HuffChallenge

Huff Challenge

Challenge #1

https://twitter.com/huff_language/status/1559658361469095936

Huff challenge #1: Write the minimal Huff code for a contract that returns the current block number if called

forge test --match-contract Challenge1Test -vvvv

Challenge #2

https://twitter.com/huff_language/status/1560015751989211136

Huff challenge #2 (getting slightly harder but still going easy): Write the most efficient possible Huff contract that returns true (1) if the input is an even number and false (0) if it is odd.

forge test --match-contract Challenge2Test -vvvv

Challenge #3

https://twitter.com/huff_language/status/1560750533811376128

Huff Challenge #3 (a bit harder... and much more real) Exploit this contract and steal the Ether inside. It's deployed at 0xae7e201257f3f7918e9e8f2f3de998e3d75f7a1d and has 0.1 ETH for you :) Interface: deposit(), withdraw(), and setWithdrawer(address)

forge test --match-contract Challenge3Test -vvvv

Challenge #4

https://twitter.com/huff_language/status/1583894073487654913

Huff challenge #4 🗿🍾⛳️: Write the minimal OR most efficient Huff smart contract that reverses all calldata that it receives

forge test --match-contract Challenge4Test -vvvv

Challenge #5

https://twitter.com/huff_language/status/1586401774927126528

Huff challenge #5 🗿🍾⛳️ : We got another fun one for ya Implement the most gas efficient contract that returns true if the calldata represents a signed message from the sender of the tx. If it isn't, do something that makes the transaction run out of gas.

forge test --match-contract Challenge5Test -vvvv