Top 5 Bugs from Fuel Attackathon 33227-2(poc).rs

contract;

//Setup
use std::{
    asset::mint_to,
    constants::DEFAULT_SUB_ID
};

abi PowBug {
    fn demonstrate_bug_u8(recipient: Identity, a: u8) -> AssetId;
    fn demonstrate_bug_u32(a: u32) -> u32;
}

impl PowBug for Contract {
    fn demonstrate_bug_u8(recipient: Identity, a: u8) -> AssetId { 
        let result_u8 = a.pow(2);
        let coins_to_mint = result_u8.as_u64() * 100;

        if result_u8 > u8::max() {
            revert(1337);
        }

        mint_to(recipient, DEFAULT_SUB_ID, coins_to_mint); 
        AssetId::new(ContractId::this(), DEFAULT_SUB_ID) 
    }

    fn demonstrate_bug_u32(a: u32) -> u32 { 
        let coins_to_keep = a.pow(4);

        if coins_to_keep <= u32::max() {
            revert(1337)
        }

        coins_to_keep 
    }
}