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// Copyright (c) 2021 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#ifndef BITCOIN_POLICY_PACKAGES_H
#define BITCOIN_POLICY_PACKAGES_H

#include <consensus/validation.h>
#include <primitives/transaction.h>

#include <vector>

/** A "reason" why a package was invalid. It may be that one or more of the included
 * transactions is invalid or the package itself violates our rules.
 * We don't distinguish between consensus and policy violations right now.
 */
enum class PackageValidationResult {
    PCKG_RESULT_UNSET = 0,        //!< Initial value. The package has not yet been rejected.
    PCKG_POLICY,                  //!< The package itself is invalid (e.g. too many transactions).
    PCKG_TX,                      //!< At least one tx is invalid.
};

/** A package is an ordered list of transactions. The transactions cannot conflict with (spend the
 * same inputs as) one another. */
using Package = std::vector<CTransactionRef>;

class PackageValidationState : public ValidationState<PackageValidationResult> {};

#endif // BITCOIN_POLICY_PACKAGES_H