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use std::{cmp, fmt};

pub(crate) const MAX_DEBUG_ACCOUNT_DATA: usize = 64;

pub fn debug_account_data(data: &[u8], f: &mut fmt::DebugStruct<'_, '_>) {
    let data_len = cmp::min(MAX_DEBUG_ACCOUNT_DATA, data.len());
    if data_len > 0 {
        f.field("data", &Hex(&data[..data_len]));
    }
}

pub(crate) struct Hex<'a>(pub(crate) &'a [u8]);
impl fmt::Debug for Hex<'_> {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        for &byte in self.0 {
            write!(f, "{:02x}", byte)?;
        }
        Ok(())
    }
}