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random: move rand256() and randbytes() to .h file

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This commit is contained in:
Pieter Wuille 2024-06-08 07:46:47 -04:00
parent 493a2e024e
commit b3b382dde2
2 changed files with 12 additions and 19 deletions
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17
src/random.cpp
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@ -659,23 +659,6 @@ void FastRandomContext::RandomSeed()
requires_seed = false; requires_seed = false;
} }
uint256 FastRandomContext::rand256() noexcept
{
uint256 ret;
fillrand(MakeWritableByteSpan(ret));
return ret;
}
template <typename B>
std::vector<B> FastRandomContext::randbytes(size_t len)
{
std::vector<B> ret(len);
fillrand(MakeWritableByteSpan(ret));
return ret;
}
template std::vector<unsigned char> FastRandomContext::randbytes(size_t);
template std::vector<std::byte> FastRandomContext::randbytes(size_t);
void FastRandomContext::fillrand(Span<std::byte> output) void FastRandomContext::fillrand(Span<std::byte> output)
{ {
if (requires_seed) RandomSeed(); if (requires_seed) RandomSeed();

14
src/random.h
View File

@ -213,7 +213,12 @@ public:
/** Generate random bytes. */ /** Generate random bytes. */
template <typename B = unsigned char> template <typename B = unsigned char>
std::vector<B> randbytes(size_t len); std::vector<B> randbytes(size_t len)
{
std::vector<B> ret(len);
fillrand(MakeWritableByteSpan(ret));
return ret;
}
/** Fill a byte Span with random bytes. */ /** Fill a byte Span with random bytes. */
void fillrand(Span<std::byte> output); void fillrand(Span<std::byte> output);
@ -222,7 +227,12 @@ public:
uint32_t rand32() noexcept { return randbits(32); } uint32_t rand32() noexcept { return randbits(32); }
/** generate a random uint256. */ /** generate a random uint256. */
uint256 rand256() noexcept; uint256 rand256() noexcept
{
uint256 ret;
fillrand(MakeWritableByteSpan(ret));
return ret;
}
/** Generate a random boolean. */ /** Generate a random boolean. */
bool randbool() noexcept { return randbits(1); } bool randbool() noexcept { return randbits(1); }