src/test/test_bitcoin.h

   1 // Copyright (c) 2015-2016 The Bitcoin Core developers
   2 // Distributed under the MIT software license, see the accompanying
   3 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
   4
   5 #ifndef BITCOIN_TEST_TEST_BITCOIN_H
   6 #define BITCOIN_TEST_TEST_BITCOIN_H
   7
   8 #include "chainparamsbase.h"
   9 #include "fs.h"
  10 #include "key.h"
  11 #include "pubkey.h"
  12 #include "random.h"
  13 #include "scheduler.h"
  14 #include "txdb.h"
  15 #include "txmempool.h"
  16
  17 #include <boost/thread.hpp>
  18
  19 extern uint256 insecure_rand_seed;
  20 extern FastRandomContext insecure_rand_ctx;
  21
  22 static inline void SeedInsecureRand(bool fDeterministic = false)
  23 {
  24     if (fDeterministic) {
  25         insecure_rand_seed = uint256();
  26     } else {
  27         insecure_rand_seed = GetRandHash();
  28     }
  29     insecure_rand_ctx = FastRandomContext(insecure_rand_seed);
  30 }
  31
  32 static inline uint32_t InsecureRand32() { return insecure_rand_ctx.rand32(); }
  33 static inline uint256 InsecureRand256() { return insecure_rand_ctx.rand256(); }
  34 static inline uint64_t InsecureRandBits(int bits) { return insecure_rand_ctx.randbits(bits); }
  35 static inline uint64_t InsecureRandRange(uint64_t range) { return insecure_rand_ctx.randrange(range); }
  36 static inline bool InsecureRandBool() { return insecure_rand_ctx.randbool(); }
  37
  38 /** Basic testing setup.
  39  * This just configures logging and chain parameters.
  40  */
  41 struct BasicTestingSetup {
  42     ECCVerifyHandle globalVerifyHandle;
  43
  44     explicit BasicTestingSetup(const std::string& chainName = CBaseChainParams::MAIN);
  45     ~BasicTestingSetup();
  46 };
  47
  48 /** Testing setup that configures a complete environment.
  49  * Included are data directory, coins database, script check threads setup.
  50  */
  51 class CConnman;
  52 class PeerLogicValidation;
  53 struct TestingSetup: public BasicTestingSetup {
  54     CCoinsViewDB *pcoinsdbview;
  55     fs::path pathTemp;
  56     boost::thread_group threadGroup;
  57     CConnman* connman;
  58     CScheduler scheduler;
  59     std::unique_ptr<PeerLogicValidation> peerLogic;
  60
  61     explicit TestingSetup(const std::string& chainName = CBaseChainParams::MAIN);
  62     ~TestingSetup();
  63 };
  64
  65 class CBlock;
  66 struct CMutableTransaction;
  67 class CScript;
  68
  69 //
  70 // Testing fixture that pre-creates a
  71 // 100-block REGTEST-mode block chain
  72 //
  73 struct TestChain100Setup : public TestingSetup {
  74     TestChain100Setup();
  75
  76     // Create a new block with just given transactions, coinbase paying to
  77     // scriptPubKey, and try to add it to the current chain.
  78     CBlock CreateAndProcessBlock(const std::vector<CMutableTransaction>& txns,
  79                                  const CScript& scriptPubKey);
  80
  81     ~TestChain100Setup();
  82
  83     std::vector<CTransaction> coinbaseTxns; // For convenience, coinbase transactions
  84     CKey coinbaseKey; // private/public key needed to spend coinbase transactions
  85 };
  86
  87 class CTxMemPoolEntry;
  88
  89 struct TestMemPoolEntryHelper
  90 {
  91     // Default values
  92     CAmount nFee;
  93     int64_t nTime;
  94     unsigned int nHeight;
  95     bool spendsCoinbase;
  96     unsigned int sigOpCost;
  97     LockPoints lp;
  98
  99     TestMemPoolEntryHelper() :
 100         nFee(0), nTime(0), nHeight(1),
 101         spendsCoinbase(false), sigOpCost(4) { }
 102
 103     CTxMemPoolEntry FromTx(const CMutableTransaction &tx);
 104     CTxMemPoolEntry FromTx(const CTransaction &tx);
 105
 106     // Change the default value
 107     TestMemPoolEntryHelper &Fee(CAmount _fee) { nFee = _fee; return *this; }
 108     TestMemPoolEntryHelper &Time(int64_t _time) { nTime = _time; return *this; }
 109     TestMemPoolEntryHelper &Height(unsigned int _height) { nHeight = _height; return *this; }
 110     TestMemPoolEntryHelper &SpendsCoinbase(bool _flag) { spendsCoinbase = _flag; return *this; }
 111     TestMemPoolEntryHelper &SigOpsCost(unsigned int _sigopsCost) { sigOpCost = _sigopsCost; return *this; }
 112 };
 113
 114 CBlock getBlock13b8a();
 115
 116 #endif