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

//! User commands are how external users can mutate the state of the Mina ledger
//! This module contains the command data structures and helpers to create and
//! serialize new commands to broadcast to the network

pub mod memo;
pub mod payment;
pub mod signed_command;

use crate::verifiable::Verifiable;
pub use memo::SignedCommandMemo;
pub use payment::PaymentPayload;
pub use signed_command::{
    SignedCommand, SignedCommandPayload, SignedCommandPayloadBody, SignedCommandPayloadCommon,
};

use mina_serialization_types::json::UserCommandJson;
use mina_serialization_types_macros::AutoFrom;
use proof_systems::mina_signer::Signer;
use versioned::*;

/// The top level user command type
/// This is the output of the command builders
#[derive(Clone, Eq, PartialEq, Debug, AutoFrom)]
#[auto_from(mina_serialization_types::staged_ledger_diff::UserCommand)]
pub enum UserCommand {
    /// A command signed by a private key
    SignedCommand(SignedCommand),
    // FIXME: other variants are not covered by current test block
}

impl_from_with_proxy!(
    UserCommand,
    mina_serialization_types::staged_ledger_diff::UserCommand,
    UserCommandJson
);

impl<CTX> Verifiable<CTX> for UserCommand
where
    CTX: Signer<SignedCommandPayload>,
{
    fn verify(&self, ctx: &mut CTX) -> bool {
        match self {
            UserCommand::SignedCommand(sc) => sc.verify(ctx),
        }
    }
}