message: DRY: Implement GetRand using FastRandomContext::randrange
diff: @@ -503,17 +503,7 @@ void RandAddSeedSleep() { ProcRand(nullptr, 0, RNGLevel::SLEEP); }
  uint64_t GetRand(uint64_t nMax) noexcept
  {
  - if (nMax == 0)
  - return 0;
  -
  - // The range of the random source must be a multiple of the modulus
  - // to give every possible output value an equal possibility
  - uint64_t nRange = (std::numeric_limits<uint64_t>::max() / nMax) * nMax;
  - uint64_t nRand = 0;
  - do {
  - GetRandBytes((unsigned char*)&nRand, sizeof(nRand));
  - } while (nRand >= nRange);
  - return (nRand % nMax);
  + return FastRandomContext().randrange(nMax);
  }
  int GetRandInt(int nMax) noexcept
  