void database::pay_workers( share_type& budget )
{
// ilog("Processing payroll! Available budget is ${b}", ("b", budget));
vector<std::reference_wrapper<const worker_object>> active_workers;
get_index_type<worker_index>().inspect_all_objects([this, &active_workers](const object& o) {
const worker_object& w = static_cast<const worker_object&>(o);
auto now = _pending_block.timestamp;
if( w.is_active(now) && w.approving_stake(_vote_tally_buffer) > 0 )
active_workers.emplace_back(w);
});
// worker with more votes is preferred
// if two workers exactly tie for votes, worker with lower ID is preferred
std::sort(active_workers.begin(), active_workers.end(), [this](const worker_object& wa, const worker_object& wb) {
share_type wa_vote = wa.approving_stake(_vote_tally_buffer);
share_type wb_vote = wb.approving_stake(_vote_tally_buffer);
if( wa_vote != wb_vote )
return wa_vote > wb_vote;
return wa.id < wb.id;
});
for( int i = 0; i < active_workers.size() && budget > 0; ++i )
{
const worker_object& active_worker = active_workers[i];
share_type requested_pay = active_worker.daily_pay;
if( _pending_block.timestamp - get_dynamic_global_properties().last_budget_time != fc::days(1) )
{
fc::uint128 pay(requested_pay.value);
pay *= (_pending_block.timestamp - get_dynamic_global_properties().last_budget_time).count();
pay /= fc::days(1).count();
requested_pay = pay.to_uint64();
}
share_type actual_pay = std::min(budget, requested_pay);
//ilog(" ==> Paying ${a} to worker ${w}", ("w", active_worker.id)("a", actual_pay));
modify(active_worker, [&](worker_object& w) {
w.worker.visit(worker_pay_visitor(actual_pay, *this));
});
budget -= actual_pay;
}
}
void database::update_maintenance_flag( bool new_maintenance_flag )
{
modify( get_dynamic_global_properties(), [&]( dynamic_global_property_object& dpo )
{
auto maintenance_flag = dynamic_global_property_object::maintenance_flag;
dpo.dynamic_flags =
(dpo.dynamic_flags & ~maintenance_flag)
| (new_maintenance_flag ? maintenance_flag : 0);
} );
return;
}
void database::update_signing_witness(const witness_object& signing_witness, const signed_block& new_block)
{
const global_property_object& gpo = get_global_properties();
const dynamic_global_property_object& dpo = get_dynamic_global_properties();
uint64_t new_block_aslot = dpo.current_aslot + get_slot_at_time( new_block.timestamp );
share_type witness_pay = std::min( gpo.parameters.witness_pay_per_block, dpo.witness_budget );
modify( dpo, [&]( dynamic_global_property_object& _dpo )
{
_dpo.witness_budget -= witness_pay;
} );
deposit_witness_pay( signing_witness, witness_pay );
modify( signing_witness, [&]( witness_object& _wit )
{
_wit.last_aslot = new_block_aslot;
} );
}
block_id_type database::head_block_id()const
{
return get_dynamic_global_properties().head_block_id;
}
uint32_t database::head_block_num()const
{
return get_dynamic_global_properties().head_block_number;
}
time_point_sec database::head_block_time()const
{
return get_dynamic_global_properties().time;
}
