cometbft-rpc 0.1.0-alpha.2

cometbft-rpc contains the core types returned by a CometBFT node's RPC endpoint. All networking related features are feature guarded to keep the dependencies small in cases where only the core types are needed.
Documentation 
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//! Encoding/decoding Option CometBFT hashes to/from base64.
use cometbft::hash::Hash;
use serde::{Deserialize, Deserializer, Serialize, Serializer};

use crate::prelude::*;

#[derive(Serialize, Deserialize)]
struct Helper(#[serde(with = "crate::serializers::tm_hash_base64")] Hash);

/// Deserialize base64-encoded string into an Option<cometbft::Hash>
pub fn deserialize<'de, D>(deserializer: D) -> Result<Option<Hash>, D::Error>
where
    D: Deserializer<'de>,
{
    let helper: Option<Helper> = Option::deserialize(deserializer)?;
    Ok(helper.map(|Helper(hash)| hash))
}

/// Serialize from an Option<cometbft::Hash> into a base64-encoded string
pub fn serialize<S>(value: &Option<Hash>, serializer: S) -> Result<S::Ok, S::Error>
where
    S: Serializer,
{
    value.map(Helper).serialize(serializer)
}