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// Copyright (c) 2022 MASSA LABS <info@massa.net>

use massa_models::address::Address;
use serde::{Deserialize, Serialize};

/// Datastore entry query input structure
#[derive(Debug, Deserialize, Clone, Serialize)]
pub struct DatastoreEntryInput {
    /// associated address of the entry
    pub address: Address,
    /// datastore key
    pub key: Vec<u8>,
}

/// Datastore entry query output structure
#[derive(Debug, Deserialize, Clone, Serialize)]
pub struct DatastoreEntryOutput {
    /// final datastore entry value
    pub final_value: Option<Vec<u8>>,
    /// candidate datastore entry value
    pub candidate_value: Option<Vec<u8>>,
}

impl std::fmt::Display for DatastoreEntryOutput {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        writeln!(f, "final value: {:?}", self.final_value)?;
        writeln!(f, "candidate value: {:?}", self.candidate_value)?;
        Ok(())
    }
}