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doxygen documentation for difficulty functions

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This commit is contained in:
Thomas Winget
2015-10-07 22:28:43 -04:00
parent 37fa7b44d6
commit f2cc3a9eaf
2 changed files with 42 additions and 3 deletions
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8
src/cryptonote_core/difficulty.cpp
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@@ -116,8 +116,8 @@ namespace cryptonote {
return !carry;
}
difficulty_type next_difficulty(vector<uint64_t> timestamps, vector<difficulty_type> cumulative_difficulties, size_t target_seconds) {
//cutoff DIFFICULTY_LAG
difficulty_type next_difficulty(std::vector<std::uint64_t> timestamps, std::vector<difficulty_type> cumulative_difficulties, size_t target_seconds) {
if(timestamps.size() > DIFFICULTY_WINDOW)
{
timestamps.resize(DIFFICULTY_WINDOW);
@@ -151,13 +151,15 @@ namespace cryptonote {
assert(total_work > 0);
uint64_t low, high;
mul(total_work, target_seconds, low, high);
// blockchain errors "difficulty overhead" if this function returns zero.
// TODO: consider throwing an exception instead
if (high != 0 || low + time_span - 1 < low) {
return 0;
}
return (low + time_span - 1) / time_span;
}
difficulty_type next_difficulty(vector<uint64_t> timestamps, vector<difficulty_type> cumulative_difficulties)
difficulty_type next_difficulty(std::vector<std::uint64_t> timestamps, std::vector<difficulty_type> cumulative_difficulties)
{
return next_difficulty(std::move(timestamps), std::move(cumulative_difficulties), DIFFICULTY_TARGET);
}