pub(crate) fn public_key_to_b58<S: serde::Serializer>(
key: &[u8],
serializer: S,
) -> Result<S::Ok, S::Error> {
serializer.serialize_str(&bs58::encode(key).into_string())
}
pub(crate) fn b58_to_public_key<'de, D: serde::Deserializer<'de>>(
deserializer: D,
) -> Result<Box<[u8]>, D::Error> {
deserializer.deserialize_str(PublicKeyVisitor)
}
struct PublicKeyVisitor;
impl serde::de::Visitor<'_> for PublicKeyVisitor {
type Value = Box<[u8]>;
fn expecting(&self, formatter: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
formatter.write_str("a base58-encoded public key string")
}
fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
where
E: serde::de::Error,
{
use serde::de;
bs58::decode(v)
.into_vec()
.map(Into::into)
.map_err(|_| de::Error::invalid_value(de::Unexpected::Str(v), &self))
}
}
pub(crate) fn signature_to_b58<S: serde::Serializer>(
signature: &[u8],
serializer: S,
) -> Result<S::Ok, S::Error> {
serializer.serialize_str(&bs58::encode(signature).into_string())
}
pub(crate) fn b58_to_signature<'de, D: serde::Deserializer<'de>>(
deserializer: D,
) -> Result<Box<[u8]>, D::Error> {
deserializer.deserialize_str(SignatureVisitor)
}
struct SignatureVisitor;
impl serde::de::Visitor<'_> for SignatureVisitor {
type Value = Box<[u8]>;
fn expecting(&self, formatter: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
formatter.write_str("expecting a base58-encoded signature string")
}
fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
where
E: serde::de::Error,
{
use serde::de;
bs58::decode(v)
.into_vec()
.map(Into::into)
.map_err(|_| de::Error::invalid_value(de::Unexpected::Str(v), &self))
}
}