tendermint 0.10.1

Tendermint is a high-performance blockchain consensus engine that powers Byzantine fault tolerant applications written in any programming language. This crate provides core types for representing information about Tendermint blockchain networks, including chain information types, secret connections, and remote procedure calls (JSONRPC).
Documentation 
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//! ABCI response types used by the `/block_results` RPC endpoint.

use super::{code::Code, data::Data, gas::Gas, info::Info, log::Log, tag::Tag};
use crate::{consensus, validator};
use serde::{Deserialize, Deserializer, Serialize};
use std::fmt::{self, Display};

/// Responses for ABCI calls which occur during block processing.
///
/// Returned from the `/block_results` RPC endpoint.
#[derive(Clone, Debug, Serialize, Deserialize)]
pub struct Responses {
    /// Deliver TX response.
    // TODO(tarcieri): remove the `alias` attribute when this lands upstream:
    // <https://github.com/tendermint/tendermint/pull/3708/files>
    #[serde(alias = "DeliverTx")]
    #[serde(default, deserialize_with = "deserialize_deliver_tx")]
    pub deliver_tx: Vec<DeliverTx>,

    /// Begin block response.
    // TODO(tarcieri): remove the `alias` attribute when this lands upstream:
    // <https://github.com/tendermint/tendermint/pull/3708/files>
    #[serde(alias = "BeginBlock")]
    pub begin_block: Option<BeginBlock>,

    /// End block response.
    // TODO(tarcieri): remove the `alias` attribute when this lands upstream:
    // <https://github.com/tendermint/tendermint/pull/3708/files>
    #[serde(alias = "EndBlock")]
    pub end_block: Option<EndBlock>,
}

/// Return an empty vec in the event `deliver_tx` is `null`
fn deserialize_deliver_tx<'de, D>(deserializer: D) -> Result<Vec<DeliverTx>, D::Error>
where
    D: Deserializer<'de>,
{
    Ok(Option::deserialize(deserializer)?.unwrap_or_default())
}

/// Deliver TX response.
///
/// This type corresponds to the `ResponseDeliverTx` proto from:
///
/// <https://github.com/tendermint/tendermint/blob/develop/abci/types/types.proto>
// TODO(tarcieri): generate this automatically from the proto
#[derive(Clone, Debug, Serialize, Deserialize)]
pub struct DeliverTx {
    /// ABCI application response code
    pub code: Option<Code>,

    /// ABCI application data
    pub data: Option<Data>,

    /// ABCI log data (nondeterministic)
    pub log: Option<Log>,

    /// ABCI info (nondeterministic)
    pub info: Option<Info>,

    /// Amount of gas wanted
    #[serde(default, rename = "gasWanted")]
    pub gas_wanted: Gas,

    /// Amount of gas used
    #[serde(default, rename = "gasUsed")]
    pub gas_used: Gas,

    /// Tags
    #[serde(default)]
    pub tags: Vec<Tag>,

    /// Codespace
    pub codespace: Option<Codespace>,
}

/// Begin block response.
///
/// This type corresponds to the `ResponseBeginBlock` proto from:
///
/// <https://github.com/tendermint/tendermint/blob/develop/abci/types/types.proto>
// TODO(tarcieri): generate this automatically from the proto
#[derive(Clone, Debug, Serialize, Deserialize)]
pub struct BeginBlock {
    /// Tags
    #[serde(default)]
    pub tags: Vec<Tag>,
}

/// End block response.
///
/// This type corresponds to the `ResponseEndBlock` proto from:
///
/// <https://github.com/tendermint/tendermint/blob/develop/abci/types/types.proto>
// TODO(tarcieri): generate this automatically from the proto
#[derive(Clone, Debug, Serialize, Deserialize)]
pub struct EndBlock {
    /// Validator updates
    #[serde(deserialize_with = "deserialize_validator_updates")]
    pub validator_updates: Vec<validator::Update>,

    /// New consensus params
    pub consensus_param_updates: Option<consensus::Params>,

    /// Tags
    #[serde(default)]
    pub tags: Vec<Tag>,
}

/// Return an empty vec in the event `validator_updates` is `null`
fn deserialize_validator_updates<'de, D>(
    deserializer: D,
) -> Result<Vec<validator::Update>, D::Error>
where
    D: Deserializer<'de>,
{
    Ok(Option::deserialize(deserializer)?.unwrap_or_default())
}

/// Codespace
#[derive(Clone, Debug, Deserialize, Eq, PartialEq, Serialize)]
pub struct Codespace(String);

impl AsRef<str> for Codespace {
    fn as_ref(&self) -> &str {
        self.0.as_ref()
    }
}

impl Display for Codespace {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        write!(f, "{}", self.0)
    }
}