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use serde::ser::{Serialize, Serializer};
use subtle_encoding::{Encoding, Hex};

pub fn ser_hex_upper<S, T>(data: T, serializer: S) -> Result<S::Ok, S::Error>
where
    S: Serializer,
    T: AsRef<[u8]>,
{
    let hex = Hex::upper_case().encode_to_string(data).unwrap();
    hex.serialize(serializer)
}