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chain_database_v1.cpp
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chain_database_v1.cpp
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#include <bts/blockchain/chain_database_impl.hpp>
#include <bts/blockchain/fork_blocks.hpp>
#include <bts/blockchain/market_engine_v1.hpp>
#include <bts/blockchain/market_engine_v2.hpp>
#include <bts/blockchain/market_engine_v3.hpp>
#include <bts/blockchain/market_engine_v4.hpp>
#include <bts/blockchain/market_engine_v5.hpp>
#include <bts/blockchain/market_engine_v6.hpp>
#include <bts/blockchain/market_engine_v7.hpp>
#include <bts/blockchain/market_engine.hpp>
namespace bts { namespace blockchain { namespace detail {
void chain_database_impl::pay_delegate_v1( const block_id_type& block_id,
const public_key_type& block_signee,
const pending_chain_state_ptr& pending_state,
oblock_record& record )const
{ try {
oaccount_record delegate_record = self->get_account_record( address( block_signee ) );
FC_ASSERT( delegate_record.valid() );
delegate_record = pending_state->get_account_record( delegate_record->id );
FC_ASSERT( delegate_record.valid() && delegate_record->is_delegate() && delegate_record->delegate_info.valid() );
const uint8_t pay_rate_percent = delegate_record->delegate_info->pay_rate;
FC_ASSERT( pay_rate_percent >= 0 && pay_rate_percent <= 100 );
const share_type max_available_paycheck = pending_state->get_delegate_pay_rate_v1();
const share_type accepted_paycheck = (max_available_paycheck * pay_rate_percent) / 100;
const share_type burned_paycheck = max_available_paycheck - accepted_paycheck;
FC_ASSERT( max_available_paycheck >= accepted_paycheck );
FC_ASSERT( accepted_paycheck >= 0 );
oasset_record base_asset_record = pending_state->get_asset_record( asset_id_type( 0 ) );
FC_ASSERT( base_asset_record.valid() );
base_asset_record->current_share_supply -= burned_paycheck;
if( pending_state->get_head_block_num() >= BTS_V0_4_16_FORK_BLOCK_NUM )
{
base_asset_record->collected_fees -= max_available_paycheck;
delegate_record->delegate_info->total_burned += burned_paycheck;
}
else
{
base_asset_record->collected_fees -= accepted_paycheck;
}
pending_state->store_asset_record( *base_asset_record );
delegate_record->delegate_info->votes_for += accepted_paycheck;
delegate_record->delegate_info->pay_balance += accepted_paycheck;
delegate_record->delegate_info->total_paid += accepted_paycheck;
pending_state->store_account_record( *delegate_record );
if( record.valid() )
{
record->signee_shares_issued = 0;
record->signee_fees_collected = accepted_paycheck;
record->signee_fees_destroyed = burned_paycheck;
}
} FC_CAPTURE_AND_RETHROW( (block_id)(block_signee)(record) ) }
void chain_database_impl::execute_markets_v1( const fc::time_point_sec timestamp,
const pending_chain_state_ptr& pending_state )const
{ try {
vector<market_transaction> market_transactions;
const auto pending_block_num = pending_state->get_head_block_num();
if( pending_block_num == BTS_V0_4_17_FORK_BLOCK_NUM )
{
market_engine_v4 engine( pending_state, *this );
engine.cancel_all_shorts( self->get_block_header( BTS_V0_4_16_FORK_BLOCK_NUM ).timestamp );
market_transactions.insert( market_transactions.end(), engine._market_transactions.begin(), engine._market_transactions.end() );
}
else if( pending_block_num == BTS_V0_4_21_FORK_BLOCK_NUM )
{
market_engine_v6 engine( pending_state, *this );
engine.cancel_all_shorts();
market_transactions.insert( market_transactions.end(), engine._market_transactions.begin(), engine._market_transactions.end() );
}
else if( pending_block_num == BTS_SHORTFIX_FORK_BLOCK_NUM )
{
market_engine_v7 engine( pending_state, *this );
engine.cancel_high_apr_shorts();
market_transactions.insert( market_transactions.end(), engine._market_transactions.begin(), engine._market_transactions.end() );
}
const auto dirty_markets = self->get_dirty_markets();
for( const auto& market_pair : dirty_markets )
{
FC_ASSERT( market_pair.first > market_pair.second );
if( pending_block_num > BTS_V0_4_21_FORK_BLOCK_NUM && pending_block_num != BTS_SHORTFIX_FORK_BLOCK_NUM )
{
market_engine_v7 engine( pending_state, *this );
if( engine.execute( market_pair.first, market_pair.second, timestamp ) )
{
market_transactions.insert( market_transactions.end(), engine._market_transactions.begin(), engine._market_transactions.end() );
}
}
else if( pending_block_num == BTS_V0_4_21_FORK_BLOCK_NUM )
{
// Cancel all shorts before BTS_V0_4_21_FORK_BLOCK_NUM -- see above
}
else if( pending_block_num >= BTS_V0_4_19_FORK_BLOCK_NUM )
{
market_engine_v6 engine( pending_state, *this );
if( engine.execute( market_pair.first, market_pair.second, timestamp ) )
{
market_transactions.insert( market_transactions.end(), engine._market_transactions.begin(), engine._market_transactions.end() );
}
}
else if( pending_block_num > BTS_V0_4_17_FORK_BLOCK_NUM )
{
market_engine_v5 engine( pending_state, *this );
if( engine.execute( market_pair.first, market_pair.second, timestamp ) )
{
market_transactions.insert( market_transactions.end(), engine._market_transactions.begin(), engine._market_transactions.end() );
}
}
else if( pending_block_num == BTS_V0_4_17_FORK_BLOCK_NUM )
{
// Cancel all shorts before BTS_V0_4_16_FORK_BLOCK_NUM -- see above
}
else if( pending_block_num > BTS_V0_4_16_FORK_BLOCK_NUM )
{
market_engine_v4 engine( pending_state, *this );
if( engine.execute( market_pair.first, market_pair.second, timestamp ) )
{
market_transactions.insert( market_transactions.end(), engine._market_transactions.begin(), engine._market_transactions.end() );
}
}
else if( pending_block_num == BTS_V0_4_16_FORK_BLOCK_NUM )
{
// Should have canceled all shorts but we missed it
}
else if( pending_block_num >= BTS_V0_4_13_FORK_BLOCK_NUM )
{
market_engine_v3 engine( pending_state, *this );
if( engine.execute( market_pair.first, market_pair.second, timestamp ) )
{
market_transactions.insert( market_transactions.end(), engine._market_transactions.begin(), engine._market_transactions.end() );
}
}
else if( pending_block_num >= BTS_V0_4_0_FORK_BLOCK_NUM )
{
market_engine_v2 engine( pending_state, *this );
if( engine.execute( market_pair.first, market_pair.second, timestamp ) )
{
market_transactions.insert( market_transactions.end(), engine._market_transactions.begin(), engine._market_transactions.end() );
}
}
else
{
market_engine_v1 engine( pending_state, *this );
if( engine.execute( market_pair.first, market_pair.second, timestamp ) )
{
market_transactions.insert( market_transactions.end(), engine._market_transactions.begin(), engine._market_transactions.end() );
}
}
}
if( pending_block_num < BTS_V0_4_9_FORK_BLOCK_NUM )
pending_state->set_dirty_markets( pending_state->_dirty_markets );
pending_state->set_market_transactions( std::move( market_transactions ) );
} FC_CAPTURE_AND_RETHROW( (timestamp) ) }
void chain_database_impl::update_active_delegate_list_v1( const uint32_t block_num,
const pending_chain_state_ptr& pending_state )const
{ try {
if( block_num % BTS_BLOCKCHAIN_NUM_DELEGATES != 0 )
return;
auto active_del = self->next_round_active_delegates();
const size_t num_del = active_del.size();
// Perform a random shuffle of the sorted delegate list.
fc::sha256 rand_seed = fc::sha256::hash( pending_state->get_current_random_seed() );
for( uint32_t i = 0; i < num_del; ++i )
{
for( uint32_t x = 0; x < 4 && i < num_del; ++x, ++i )
std::swap( active_del[ i ], active_del[ rand_seed._hash[ x ] % num_del ] );
rand_seed = fc::sha256::hash( rand_seed );
}
pending_state->set_active_delegates( active_del );
} FC_CAPTURE_AND_RETHROW( (block_num) ) }
} } } // bts::blockchain::detail