Browse Source

Introduce FastRandomContext::randbool()

pull/1/head
Pieter Wuille 5 years ago
parent
commit
c21cbe61c6
  1. 4
      src/random.h
  2. 2
      src/wallet/wallet.cpp

4
src/random.h

@ -42,6 +42,10 @@ public: @@ -42,6 +42,10 @@ public:
return (Rw << 16) + Rz;
}
bool randbool() {
return rand32() & 1;
}
uint32_t Rz;
uint32_t Rw;
};

2
src/wallet/wallet.cpp

@ -2048,7 +2048,7 @@ static void ApproximateBestSubset(const std::vector<std::pair<CAmount, std::pair @@ -2048,7 +2048,7 @@ static void ApproximateBestSubset(const std::vector<std::pair<CAmount, std::pair
//that the rng is fast. We do not use a constant random sequence,
//because there may be some privacy improvement by making
//the selection random.
if (nPass == 0 ? insecure_rand.rand32()&1 : !vfIncluded[i])
if (nPass == 0 ? insecure_rand.randbool() : !vfIncluded[i])
{
nTotal += vValue[i].first;
vfIncluded[i] = true;

Loading…
Cancel
Save