peerplays_migrated/libraries/chain/affiliate_payout.cpp
2019-07-30 11:43:31 -04:00

95 lines
3.5 KiB
C++

/*
* Copyright (c) 2018 Peerplays Blockchain Standards Association, and contributors.
*
* The MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <graphene/chain/account_object.hpp>
#include <graphene/chain/affiliate_payout.hpp>
#include <graphene/chain/database.hpp>
#include <fc/uint128.hpp>
namespace graphene { namespace chain {
share_type affiliate_payout_helper::payout( account_id_type player, share_type amount )
{
return payout( player(_db), amount );
}
share_type affiliate_payout_helper::payout( const account_object& player, share_type amount )
{
if( !player.affiliate_distributions.valid() )
return 0;
const auto& dist = player.affiliate_distributions->_dists.find( tag );
if( dist == player.affiliate_distributions->_dists.end() || dist->second._dist.empty() )
return 0;
amount = amount.value / 5; // 20% fixed
if( amount <= 0 )
return 0;
uint16_t remaining = GRAPHENE_100_PERCENT;
share_type paid = 0;
share_type to_pay = amount;
for( const auto& entry : dist->second._dist )
{
const account_id_type affiliate = entry.first;
const uint16_t share = entry.second;
fc::uint128_t payout = to_pay.value;
if( share != remaining )
{
FC_ASSERT( share < remaining );
payout *= share;
payout /= remaining;
//ilog("Paying ${p} of ${P} for ${s} of ${r}", ("p",payout.to_uint64())("P",to_pay.value)("s",share)("r",remaining) );
remaining -= share;
}
FC_ASSERT( payout.to_uint64() <= to_pay );
if( payout > 0 )
{
if ( accumulator.find(affiliate) == accumulator.end() )
accumulator[affiliate] = payout.to_uint64();
else
accumulator[affiliate] += payout.to_uint64();
to_pay -= payout.to_uint64();
paid += payout.to_uint64();
}
}
FC_ASSERT( to_pay == 0 );
FC_ASSERT( paid == amount );
_db.push_applied_operation( affiliate_referral_payout_operation( player.id, asset( amount, payout_asset ) ) );
return paid;
}
void affiliate_payout_helper::commit()
{
for( const auto& entry : accumulator )
{
asset payout = asset( entry.second, payout_asset );
_db.adjust_balance( entry.first, payout );
_db.push_applied_operation( affiliate_payout_operation( entry.first, tag, payout ) );
}
accumulator.clear();
}
} } // graphene::chain