share.rs

#![no_main]
use libfuzzer_sys::fuzz_target;
use ethereum_types::U256;
use myproject::convert_wei_to_satoshis;

fuzz_target!(|data: &[u8]| {
    // fuzzed code goes here

    if let Ok(s) = std::str::from_utf8(data) {
      let ptoken = U256::from_dec_str(s).unwrap();
      let _ = convert_wei_to_satoshis(ptokens);
    }
});


use ethereum_types::U256;

pub fn convert_wei_to_satoshis(ptoken: U256) -> u64 {
    match ptoken.checked_div(U256::from(
        10u64.pow(PTOKEN_ERC777_NUM_DECIMALS - BTC_NUM_DECIMALS as u32),
    )) {
        Some(amount) => amount.as_u64(),
        None => 0,
    }
}

pub const PTOKEN_ERC777_NUM_DECIMALS: u32 = 18;
pub const BTC_NUM_DECIMALS: usize = 8;

ethereum-types = "0.12.1"