aboutsummaryrefslogtreecommitdiff
path: root/src/test/util/setup_common.h
blob: a09c8c122d63f45a680da817ebe5014fb916ea9d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
// Copyright (c) 2015-2020 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_SETUP_COMMON_H
#define BITCOIN_TEST_UTIL_SETUP_COMMON_H

#include <chainparamsbase.h>
#include <fs.h>
#include <key.h>
#include <node/context.h>
#include <pubkey.h>
#include <random.h>
#include <txmempool.h>
#include <util/check.h>
#include <util/string.h>

#include <type_traits>

#include <boost/thread/thread.hpp>

/** This is connected to the logger. Can be used to redirect logs to any other log */
extern const std::function<void(const std::string&)> G_TEST_LOG_FUN;

// Enable BOOST_CHECK_EQUAL for enum class types
template <typename T>
std::ostream& operator<<(typename std::enable_if<std::is_enum<T>::value, std::ostream>::type& stream, const T& e)
{
    return stream << static_cast<typename std::underlying_type<T>::type>(e);
}

/**
 * This global and the helpers that use it are not thread-safe.
 *
 * If thread-safety is needed, the global could be made thread_local (given
 * that thread_local is supported on all architectures we support) or a
 * per-thread instance could be used in the multi-threaded test.
 */
extern FastRandomContext g_insecure_rand_ctx;

/**
 * Flag to make GetRand in random.h return the same number
 */
extern bool g_mock_deterministic_tests;

enum class SeedRand {
    ZEROS, //!< Seed with a compile time constant of zeros
    SEED,  //!< Call the Seed() helper
};

/** Seed the given random ctx or use the seed passed in via an environment var */
void Seed(FastRandomContext& ctx);

static inline void SeedInsecureRand(SeedRand seed = SeedRand::SEED)
{
    if (seed == SeedRand::ZEROS) {
        g_insecure_rand_ctx = FastRandomContext(/* deterministic */ true);
    } else {
        Seed(g_insecure_rand_ctx);
    }
}

static inline uint32_t InsecureRand32() { return g_insecure_rand_ctx.rand32(); }
static inline uint256 InsecureRand256() { return g_insecure_rand_ctx.rand256(); }
static inline uint64_t InsecureRandBits(int bits) { return g_insecure_rand_ctx.randbits(bits); }
static inline uint64_t InsecureRandRange(uint64_t range) { return g_insecure_rand_ctx.randrange(range); }
static inline bool InsecureRandBool() { return g_insecure_rand_ctx.randbool(); }

static constexpr CAmount CENT{1000000};

/** Basic testing setup.
 * This just configures logging, data dir and chain parameters.
 */
struct BasicTestingSetup {
    ECCVerifyHandle globalVerifyHandle;
    NodeContext m_node;

    explicit BasicTestingSetup(const std::string& chainName = CBaseChainParams::MAIN, const std::vector<const char*>& extra_args = {});
    ~BasicTestingSetup();

private:
    const fs::path m_path_root;
};

/** Testing setup that configures a complete environment.
 * Included are coins database, script check threads setup.
 */
struct TestingSetup : public BasicTestingSetup {
    boost::thread_group threadGroup;

    explicit TestingSetup(const std::string& chainName = CBaseChainParams::MAIN, const std::vector<const char*>& extra_args = {});
    ~TestingSetup();
};

/** Identical to TestingSetup, but chain set to regtest */
struct RegTestingSetup : public TestingSetup {
    RegTestingSetup()
        : TestingSetup{CBaseChainParams::REGTEST} {}
};

class CBlock;
struct CMutableTransaction;
class CScript;

/**
 * Testing fixture that pre-creates a 100-block REGTEST-mode block chain
 */
struct TestChain100Setup : public RegTestingSetup {
    TestChain100Setup();

    /**
     * Create a new block with just given transactions, coinbase paying to
     * scriptPubKey, and try to add it to the current chain.
     */
    CBlock CreateAndProcessBlock(const std::vector<CMutableTransaction>& txns,
                                 const CScript& scriptPubKey);

    ~TestChain100Setup();

    std::vector<CTransactionRef> m_coinbase_txns; // For convenience, coinbase transactions
    CKey coinbaseKey; // private/public key needed to spend coinbase transactions
};

class CTxMemPoolEntry;

struct TestMemPoolEntryHelper
{
    // Default values
    CAmount nFee;
    int64_t nTime;
    unsigned int nHeight;
    bool spendsCoinbase;
    unsigned int sigOpCost;
    LockPoints lp;

    TestMemPoolEntryHelper() :
        nFee(0), nTime(0), nHeight(1),
        spendsCoinbase(false), sigOpCost(4) { }

    CTxMemPoolEntry FromTx(const CMutableTransaction& tx);
    CTxMemPoolEntry FromTx(const CTransactionRef& tx);

    // Change the default value
    TestMemPoolEntryHelper &Fee(CAmount _fee) { nFee = _fee; return *this; }
    TestMemPoolEntryHelper &Time(int64_t _time) { nTime = _time; return *this; }
    TestMemPoolEntryHelper &Height(unsigned int _height) { nHeight = _height; return *this; }
    TestMemPoolEntryHelper &SpendsCoinbase(bool _flag) { spendsCoinbase = _flag; return *this; }
    TestMemPoolEntryHelper &SigOpsCost(unsigned int _sigopsCost) { sigOpCost = _sigopsCost; return *this; }
};

CBlock getBlock13b8a();

// define an implicit conversion here so that uint256 may be used directly in BOOST_CHECK_*
std::ostream& operator<<(std::ostream& os, const uint256& num);

/**
 * BOOST_CHECK_EXCEPTION predicates to check the specific validation error.
 * Use as
 * BOOST_CHECK_EXCEPTION(code that throws, exception type, HasReason("foo"));
 */
class HasReason {
public:
    explicit HasReason(const std::string& reason) : m_reason(reason) {}
    template <typename E>
    bool operator() (const E& e) const {
        return std::string(e.what()).find(m_reason) != std::string::npos;
    };
private:
    const std::string m_reason;
};

#endif