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// 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 <util/system.h>
#include <node/context.h>
#include <pubkey.h>
#include <random.h>
#include <stdexcept>
#include <txmempool.h>
#include <util/check.h>
#include <util/string.h>
#include <util/vector.h>
#include <type_traits>
#include <vector>
/** 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();
const fs::path m_path_root;
ArgsManager m_args;
};
/** Testing setup that performs all steps up until right before
* ChainstateManager gets initialized. Meant for testing ChainstateManager
* initialization behaviour.
*/
struct ChainTestingSetup : public BasicTestingSetup {
explicit ChainTestingSetup(const std::string& chainName = CBaseChainParams::MAIN, const std::vector<const char*>& extra_args = {});
~ChainTestingSetup();
};
/** Testing setup that configures a complete environment.
*/
struct TestingSetup : public ChainTestingSetup {
explicit TestingSetup(const std::string& chainName = CBaseChainParams::MAIN, const std::vector<const char*>& extra_args = {});
};
/** 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 TestingSetup {
TestChain100Setup(const std::vector<const char*>& extra_args = {});
/**
* Create a new block with just given transactions, coinbase paying to
* scriptPubKey, and try to add it to the current chain.
* If no chainstate is specified, default to the active.
*/
CBlock CreateAndProcessBlock(const std::vector<CMutableTransaction>& txns,
const CScript& scriptPubKey,
CChainState* chainstate = nullptr);
/**
* Create a new block with just given transactions, coinbase paying to
* scriptPubKey.
*/
CBlock CreateBlock(
const std::vector<CMutableTransaction>& txns,
const CScript& scriptPubKey,
CChainState& chainstate);
//! Mine a series of new blocks on the active chain.
void mineBlocks(int num_blocks);
/**
* Create a transaction and submit to the mempool.
*
* @param input_transaction The transaction to spend
* @param input_vout The vout to spend from the input_transaction
* @param input_height The height of the block that included the input_transaction
* @param input_signing_key The key to spend the input_transaction
* @param output_destination Where to send the output
* @param output_amount How much to send
* @param submit Whether or not to submit to mempool
*/
CMutableTransaction CreateValidMempoolTransaction(CTransactionRef input_transaction,
int input_vout,
int input_height,
CKey input_signing_key,
CScript output_destination,
CAmount output_amount = CAmount(1 * COIN),
bool submit = true);
std::vector<CTransactionRef> m_coinbase_txns; // For convenience, coinbase transactions
CKey coinbaseKey; // private/public key needed to spend coinbase transactions
};
/**
* Make a test setup that has disk access to the debug.log file disabled. Can
* be used in "hot loops", for example fuzzing or benchmarking.
*/
template <class T = const BasicTestingSetup>
std::unique_ptr<T> MakeNoLogFileContext(const std::string& chain_name = CBaseChainParams::REGTEST, const std::vector<const char*>& extra_args = {})
{
const std::vector<const char*> arguments = Cat(
{
"-nodebuglogfile",
"-nodebug",
},
extra_args);
return std::make_unique<T>(chain_name, arguments);
}
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) const;
CTxMemPoolEntry FromTx(const CTransactionRef& tx) const;
// 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) {}
bool operator()(const std::exception& e) const
{
return std::string(e.what()).find(m_reason) != std::string::npos;
};
private:
const std::string m_reason;
};
#endif // BITCOIN_TEST_UTIL_SETUP_COMMON_H
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