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// Copyright 2020 ChainSafe Systems
// SPDX-License-Identifier: Apache-2.0

//! Types related to the Mina protocol state

use crate::{json::*, v1::*};
use mina_serialization_types_macros::AutoFrom;
use serde::{Deserialize, Serialize};
use versioned::*;

/// This structure can be thought of like the block header. It contains the most essential information of a block.
#[derive(Clone, Debug, Serialize, Deserialize, Eq, PartialEq)]
pub struct ProtocolState {
    /// Commitment to previous block (hash of previous protocol state hash and body hash)
    pub previous_state_hash: HashV1,
    /// The body of the protocol state
    pub body: ProtocolStateBodyV1,
}

/// This structure can be thought of like the block header. It contains the most essential information of a block (v1)
pub type ProtocolStateV1 = Versioned<Versioned<ProtocolState, 1>, 1>;

/// This structure can be thought of like the block header. It contains the most essential information of a block. (json)
#[derive(Clone, Debug, Serialize, Deserialize, Eq, PartialEq, AutoFrom)]
#[auto_from(ProtocolState)]
pub struct ProtocolStateJson {
    /// Commitment to previous block (hash of previous protocol state hash and body hash)
    pub previous_state_hash: StateHashV1Json,
    /// The body of the protocol state
    pub body: ProtocolStateBodyJson,
}