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feat: Refactor is_zero implementation #1615

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feat: Refactor is_zero implementation #1615

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14 changes: 3 additions & 11 deletions sdk/src/utils/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -35,16 +35,8 @@ pub mod test;
#[cfg(test)]
pub(crate) mod test_signer;

// fast 0 vector test using byte alignment to perform faster native byte align comparison
/// Check if the provided byte slice is empty or contains all zeros.
#[inline]
pub(crate) fn is_zero(bytes: &[u8]) -> bool {
if bytes.is_empty() {
return true;
}

unsafe {
let (prefix, aligned, suffix) = bytes.align_to::<u64>();
prefix.iter().all(|&x| x == 0)
&& aligned.iter().all(|&x| x == 0u64)
&& suffix.iter().all(|&x| x == 0u8)
}
bytes.iter().all(|b| *b == 0)
}