txmempool.h

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// Copyright (c) 2022-present 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_TEST_UTIL_TXMEMPOOL_H
#define BITCOIN_TEST_UTIL_TXMEMPOOL_H
 
#include <policy/packages.h>
#include <txmempool.h>
#include <util/time.h>
 
namespace node {
struct NodeContext;
}
struct PackageMempoolAcceptResult;
 
CTxMemPool::Options MemPoolOptionsForTest(const node::NodeContext& node);
 
struct TestMemPoolEntryHelper {
    // Default values
    CAmount nFee{0};
    NodeSeconds time{};
    unsigned int nHeight{1};
    uint64_t m_sequence{0};
    bool spendsCoinbase{false};
    unsigned int sigOpCost{4};
    LockPoints lp;
 
    CTxMemPoolEntry FromTx(const CMutableTransaction& tx) const;
    CTxMemPoolEntry FromTx(const CTransactionRef& tx) const;
 
    // Change the default value
    TestMemPoolEntryHelper& Fee(CAmount _fee) { nFee = _fee; return *this; }
    TestMemPoolEntryHelper& Time(NodeSeconds tp) { time = tp; return *this; }
    TestMemPoolEntryHelper& Height(unsigned int _height) { nHeight = _height; return *this; }
    TestMemPoolEntryHelper& Sequence(uint64_t _seq) { m_sequence = _seq; return *this; }
    TestMemPoolEntryHelper& SpendsCoinbase(bool _flag) { spendsCoinbase = _flag; return *this; }
    TestMemPoolEntryHelper& SigOpsCost(unsigned int _sigopsCost) { sigOpCost = _sigopsCost; return *this; }
};

std::optional<std::string>  CheckPackageMempoolAcceptResult(const Package& txns,
                                                            const PackageMempoolAcceptResult& result,
                                                            bool expect_valid,
                                                            const CTxMemPool* mempool);

void CheckMempoolEphemeralInvariants(const CTxMemPool& tx_pool);

void CheckMempoolTRUCInvariants(const CTxMemPool& tx_pool);

void TryAddToMempool(CTxMemPool& tx_pool, const CTxMemPoolEntry& entry);

void MockMempoolMinFee(const CFeeRate& target_feerate, CTxMemPool& mempool);
 
#endif // BITCOIN_TEST_UTIL_TXMEMPOOL_H