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