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Merge pull request #749

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bfd4a28 Update BlockchainDB documentation (Thomas Winget)
797357e Change Doxyfile, Blockchain not blockchain_storage (Thomas Winget)
c835215 remove defunct code from cryptonote::core (Thomas Winget)
50dba6d cryptonote::core doxygen documentation (Thomas Winget)
8ac329d doxygen documentation for difficulty functions (Thomas Winget)
540a76c Move checkpoint functions into checkpoints class (Thomas Winget)
1b0c98e doxygen documentation for checkpoints.{h,cpp} (Thomas Winget)
89c24ac Remove unnecessary or defunct code (Thomas Winget)
ab0ed14 doxygen include private and static members (Thomas Winget)
3a48449 Updated documentation for blockchain.* (Thomas Winget)
This commit is contained in:
Riccardo Spagni 2016-03-25 08:22:06 +02:00
parent 46d4fd000c
commit 0d30b65785
15 changed files with 2920 additions and 605 deletions
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6
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);
@ -151,6 +151,8 @@ 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;
}