tari_core 0.8.1

//  Copyright 2019 The Tari Project
//
//  Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
//  following conditions are met:
//
//  1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following
//  disclaimer.
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//  2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
//  following disclaimer in the documentation and/or other materials provided with the distribution.
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//  3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote
//  products derived from this software without specific prior written permission.
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//  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
//  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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use crate::transactions::{transaction::Transaction, types::Signature};
use core::fmt::{Display, Error, Formatter};
use serde::{Deserialize, Serialize};
use tari_common_types::waiting_requests::RequestKey;
use tari_crypto::tari_utilities::hex::Hex;

/// API Request enum for Mempool requests.
#[derive(Debug, Serialize, Deserialize)]
#[allow(clippy::large_enum_variant)]
pub enum MempoolRequest {
    GetStats,
    GetState,
    GetTxStateByExcessSig(Signature),
    SubmitTransaction(Transaction),
}

impl Display for MempoolRequest {
    fn fmt(&self, f: &mut Formatter) -> Result<(), Error> {
        match self {
            MempoolRequest::GetStats => f.write_str("GetStats"),
            MempoolRequest::GetState => f.write_str("GetState"),
            MempoolRequest::GetTxStateByExcessSig(sig) => {
                f.write_str(&format!("GetTxStateByExcessSig ({})", sig.get_signature().to_hex()))
            },
            MempoolRequest::SubmitTransaction(tx) => f.write_str(&format!(
                "SubmitTransaction ({})",
                tx.body.kernels()[0].excess_sig.get_signature().to_hex()
            )),
        }
    }
}

/// Request type for a received MempoolService request.
#[derive(Debug, Serialize, Deserialize)]
pub struct MempoolServiceRequest {
    pub request_key: RequestKey,
    pub request: MempoolRequest,
}