eternalfest_core 0.18.2

Core crate for Eternalfest
Documentation 
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use hex::FromHex;
use serde::{Deserialize, Deserializer, Serializer};
use std::borrow::Cow;

/// Serializes `buffer` to a lowercase hex string.
pub fn buffer_to_hex<T, S>(buffer: &T, serializer: S) -> Result<S::Ok, S::Error>
where
  T: AsRef<[u8]>,
  S: Serializer,
{
  serializer.serialize_str(hex::encode(buffer).as_ref())
}

/// Deserializes a lowercase hex string to a `Vec<u8>`.
pub fn hex_to_buffer<'de, D>(deserializer: D) -> Result<Vec<u8>, D::Error>
where
  D: Deserializer<'de>,
{
  use serde::de::Error;
  Cow::<str>::deserialize(deserializer)
    .and_then(|string| Vec::from_hex(string.as_ref()).map_err(|err| Error::custom(err.to_string())))
}