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refactor calculate_vesting_factor

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Alfredo 2019-01-26 11:51:15 -03:00
parent 30c95f6010
commit ec64df7889
1 changed files with 12 additions and 25 deletions
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37
libraries/chain/db_maint.cpp
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@ -746,42 +746,29 @@ double calculate_vesting_factor(const database& d, const account_object& stake_a
FC_ASSERT(period_start <= now && now <= period_end);
// get in what period we are
uint32_t current_period = 0;
// get in what sub period we are
uint32_t current_subperiod = 0;
std::list<uint32_t> period_list(number_of_subperiods);
std::iota(period_list.begin(), period_list.end(), 1); // todo: std::iota(period_list, 1); ??
std::iota(period_list.begin(), period_list.end(), 1);
std::for_each(period_list.begin(), period_list.end(),[&](uint32_t period) {
if(seconds_since_period_start > vesting_subperiod * (period - 1) &&
seconds_since_period_start < vesting_subperiod * period)
current_period = period;
current_subperiod = period;
});
if(current_period == 0 || current_period > number_of_subperiods) return 0;
if(current_subperiod == 0 || current_subperiod > number_of_subperiods) return 0;
// coefficient calculation is: (n-1)/number_of_subperiods
double n = number_of_subperiods + 1;
double numerator = number_of_subperiods - current_subperiod + 1;
// todo: improve this loop
std::list<uint32_t> subperiod_list(current_period);
std::iota(subperiod_list.begin(), subperiod_list.end(), 1);
auto last_period_start = period_start + fc::seconds(vesting_subperiod * (current_subperiod - 1));
auto last_period_end = period_start + fc::seconds(vesting_subperiod * (current_subperiod));
for(auto subperiod: subperiod_list)
{
if (current_period - subperiod > 0) {
n = number_of_subperiods - current_period + 2;
// reset n if account voted last period
if (last_date_voted < last_period_start && last_date_voted >= last_period_end)
numerator = number_of_subperiods;
if (last_date_voted <
(period_start + fc::seconds(vesting_subperiod * (current_period - subperiod - 1))) &&
last_date_voted >= (period_start + fc::seconds(vesting_subperiod * (current_period - subperiod))) &&
last_date_voted >= period_start) {
n = number_of_subperiods + 1;
break;
}
}
}
vesting_factor = (n - 1) / number_of_subperiods;
vesting_factor = numerator / number_of_subperiods;
return vesting_factor;
}