packages.h

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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 <policy/policy.h>
#include <primitives/transaction.h>
 
#include <vector>
 
static constexpr uint32_t MAX_PACKAGE_COUNT{50};
static constexpr uint32_t MAX_PACKAGE_SIZE{101};
static_assert(MAX_PACKAGE_SIZE * 1000 >= MAX_STANDARD_TX_SIZE);
 
enum class PackageValidationResult {
    PCKG_RESULT_UNSET = 0,
    PCKG_POLICY,
    PCKG_TX,
    PCKG_MEMPOOL_ERROR,
};
 
using Package = std::vector<CTransactionRef>;
 
class PackageValidationState : public ValidationState<PackageValidationResult> {
};
 
bool CheckPackage(const Package &txns, PackageValidationState &state);
 
bool IsChildWithParents(const Package &package);
 
bool IsChildWithParentsTree(const Package &package);
 
/*
 * Get the hash of these transactions' txids, concatenated in lexicographical
 * order (treating the txids as little endian encoded uint256, smallest to
 * largest).
 *
 * TODO Create a PackageHash class so we are type safe
 */
uint256 GetPackageHash(const Package &package);
 
#endif // BITCOIN_POLICY_PACKAGES_H