message: Fix PoW tests
diff: @@ -23,8 +23,8 @@ BOOST_AUTO_TEST_CASE(get_next_work)
  CBlockIndex pindexLast;
  pindexLast.nHeight = 32255;
  pindexLast.nTime = 1262152739; // Block #32255
  - pindexLast.nBits = 0x1d00ffff;
  - BOOST_CHECK_EQUAL(CalculateNextWorkRequired(&pindexLast, nLastRetargetTime, params), 0x1d00d86a);
  + pindexLast.nBits = 0x1f00ffff;
  + BOOST_CHECK_EQUAL(CalculateNextWorkRequired(&pindexLast, nLastRetargetTime, params), 0x1f00ffff); //qtum pow diff should not change
  }
  /* Test the constraint on the upper bound for next work */
  @@ -37,8 +37,8 @@ BOOST_AUTO_TEST_CASE(get_next_work_pow_limit)
  CBlockIndex pindexLast;
  pindexLast.nHeight = 2015;
  pindexLast.nTime = 1233061996; // Block #2015
  - pindexLast.nBits = 0x1d00ffff;
  - BOOST_CHECK_EQUAL(CalculateNextWorkRequired(&pindexLast, nLastRetargetTime, params), 0x1d00ffff);
  + pindexLast.nBits = 0x1f00ffff;
  + BOOST_CHECK_EQUAL(CalculateNextWorkRequired(&pindexLast, nLastRetargetTime, params), 0x1f00ffff); //qtum pow diff should not change
  }
  /* Test the constraint on the lower bound for actual time taken */
  @@ -51,8 +51,8 @@ BOOST_AUTO_TEST_CASE(get_next_work_lower_limit_actual)
  CBlockIndex pindexLast;
  pindexLast.nHeight = 68543;
  pindexLast.nTime = 1279297671; // Block #68543
  - pindexLast.nBits = 0x1c05a3f4;
  - BOOST_CHECK_EQUAL(CalculateNextWorkRequired(&pindexLast, nLastRetargetTime, params), 0x1c0168fd);
  + pindexLast.nBits = 0x1f00ffff;
  + BOOST_CHECK_EQUAL(CalculateNextWorkRequired(&pindexLast, nLastRetargetTime, params), 0x1f00ffff); //qtum pow diff should not change
  }
  /* Test the constraint on the upper bound for actual time taken */
  @@ -65,8 +65,8 @@ BOOST_AUTO_TEST_CASE(get_next_work_upper_limit_actual)
  CBlockIndex pindexLast;
  pindexLast.nHeight = 46367;
  pindexLast.nTime = 1269211443; // Block #46367
  - pindexLast.nBits = 0x1c387f6f;
  - BOOST_CHECK_EQUAL(CalculateNextWorkRequired(&pindexLast, nLastRetargetTime, params), 0x1d00e1fd);
  + pindexLast.nBits = 0x1f00ffff;
  + BOOST_CHECK_EQUAL(CalculateNextWorkRequired(&pindexLast, nLastRetargetTime, params), 0x1f00ffff); //qtum pow diff should not change
  }
  BOOST_AUTO_TEST_CASE(GetBlockProofEquivalentTime_test)
  