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use crate::{block, hash, rpc, Hash};
use serde::{de::Error as _, Deserialize, Deserializer, Serialize, Serializer};
use subtle_encoding::base64;
#[derive(Clone, Debug, Deserialize, Eq, PartialEq, Serialize)]
pub struct Request;
impl rpc::Request for Request {
type Response = Response;
fn method(&self) -> rpc::Method {
rpc::Method::AbciInfo
}
}
#[derive(Clone, Debug, Deserialize, Serialize)]
pub struct Response {
pub response: AbciInfo,
}
impl rpc::Response for Response {}
#[derive(Clone, Debug, Deserialize, Serialize)]
pub struct AbciInfo {
pub data: String,
pub version: Option<String>,
pub last_block_height: block::Height,
#[serde(
serialize_with = "serialize_app_hash",
deserialize_with = "parse_app_hash"
)]
pub last_block_app_hash: Hash,
}
#[cfg(feature = "rpc")]
pub(crate) fn parse_app_hash<'de, D>(deserializer: D) -> Result<Hash, D::Error>
where
D: Deserializer<'de>,
{
let bytes = base64::decode(String::deserialize(deserializer)?.as_bytes())
.map_err(|e| D::Error::custom(format!("{}", e)))?;
Hash::new(hash::Algorithm::Sha256, &bytes).map_err(|e| D::Error::custom(format!("{}", e)))
}
#[cfg(feature = "rpc")]
pub(crate) fn serialize_app_hash<S>(hash: &Hash, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
hash.as_bytes()
.map(|bytes| String::from_utf8(base64::encode(bytes)).unwrap())
.unwrap_or_default()
.serialize(serializer)
}