automerge/rust/automerge/src/legacy/serde_impls/change_hash.rs
2022-11-05 22:48:43 +00:00

29 lines
834 B
Rust

use std::convert::TryInto;
use serde::{de, Deserialize, Deserializer, Serialize, Serializer};
use crate::ChangeHash;
impl Serialize for ChangeHash {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
hex::encode(self.0).serialize(serializer)
}
}
impl<'de> Deserialize<'de> for ChangeHash {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: Deserializer<'de>,
{
let s = String::deserialize(deserializer)?;
let vec = hex::decode(&s).map_err(|_| {
de::Error::invalid_value(de::Unexpected::Str(&s), &"A valid hex string")
})?;
vec.as_slice().try_into().map_err(|_| {
de::Error::invalid_value(de::Unexpected::Str(&s), &"A 32 byte hex encoded string")
})
}
}