peerplays_migrated/libraries/chain/db_debug.cpp
2017-05-25 12:13:59 +03:00

201 lines
7 KiB
C++

/*
* Copyright (c) 2015 Cryptonomex, Inc., 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/database.hpp>
#include <graphene/chain/account_object.hpp>
#include <graphene/chain/asset_object.hpp>
#include <graphene/chain/market_object.hpp>
#include <graphene/chain/vesting_balance_object.hpp>
#include <graphene/chain/witness_object.hpp>
namespace graphene { namespace chain {
/**
* This method dumps the state of the blockchain in a semi-human readable form for the
* purpose of tracking down funds and mismatches in currency allocation
*/
void database::debug_dump()
{
const auto& db = *this;
const asset_dynamic_data_object& core_asset_data = db.get_core_asset().dynamic_asset_data_id(db);
const auto& balance_index = db.get_index_type<account_balance_index>().indices();
const simple_index<account_statistics_object>& statistics_index = db.get_index_type<simple_index<account_statistics_object>>();
map<asset_id_type,share_type> total_balances;
map<asset_id_type,share_type> total_debts;
share_type core_in_orders;
share_type reported_core_in_orders;
for( const account_balance_object& a : balance_index )
{
// idump(("balance")(a));
total_balances[a.asset_type] += a.balance;
}
for( const account_statistics_object& s : statistics_index )
{
// idump(("statistics")(s));
reported_core_in_orders += s.total_core_in_orders;
}
for( const limit_order_object& o : db.get_index_type<limit_order_index>().indices() )
{
// idump(("limit_order")(o));
auto for_sale = o.amount_for_sale();
if( for_sale.asset_id == asset_id_type() ) core_in_orders += for_sale.amount;
total_balances[for_sale.asset_id] += for_sale.amount;
}
for( const call_order_object& o : db.get_index_type<call_order_index>().indices() )
{
// idump(("call_order")(o));
auto col = o.get_collateral();
if( col.asset_id == asset_id_type() ) core_in_orders += col.amount;
total_balances[col.asset_id] += col.amount;
total_debts[o.get_debt().asset_id] += o.get_debt().amount;
}
for( const asset_object& asset_obj : db.get_index_type<asset_index>().indices() )
{
total_balances[asset_obj.id] += asset_obj.dynamic_asset_data_id(db).accumulated_fees;
total_balances[asset_id_type()] += asset_obj.dynamic_asset_data_id(db).fee_pool;
// edump((total_balances[asset_obj.id])(asset_obj.dynamic_asset_data_id(db).current_supply ) );
}
if( total_balances[asset_id_type()].value != core_asset_data.current_supply.value )
{
edump( (total_balances[asset_id_type()].value)(core_asset_data.current_supply.value ));
}
/*
const auto& vbidx = db.get_index_type<simple_index<vesting_balance_object>>();
for( const auto& s : vbidx )
{
// idump(("vesting_balance")(s));
}
*/
}
void debug_apply_update( database& db, const fc::variant_object& vo )
{
static const uint8_t
db_action_nil = 0,
db_action_create = 1,
db_action_write = 2,
db_action_update = 3,
db_action_delete = 4;
// "_action" : "create" object must not exist, unspecified fields take defaults
// "_action" : "write" object may exist, is replaced entirely, unspecified fields take defaults
// "_action" : "update" object must exist, unspecified fields don't change
// "_action" : "delete" object must exist, will be deleted
// if _action is unspecified:
// - delete if object contains only ID field
// - otherwise, write
object_id_type oid;
uint8_t action = db_action_nil;
auto it_id = vo.find("id");
FC_ASSERT( it_id != vo.end() );
from_variant( it_id->value(), oid );
action = ( vo.size() == 1 ) ? db_action_delete : db_action_write;
from_variant( vo["id"], oid );
if( vo.size() == 1 )
action = db_action_delete;
auto it_action = vo.find("_action" );
if( it_action != vo.end() )
{
const std::string& str_action = it_action->value().get_string();
if( str_action == "create" )
action = db_action_create;
else if( str_action == "write" )
action = db_action_write;
else if( str_action == "update" )
action = db_action_update;
else if( str_action == "delete" )
action = db_action_delete;
}
auto& idx = db.get_index( oid );
switch( action )
{
case db_action_create:
/*
idx.create( [&]( object& obj )
{
idx.object_from_variant( vo, obj );
} );
*/
FC_ASSERT( false );
break;
case db_action_write:
db.modify( db.get_object( oid ), [&]( object& obj )
{
idx.object_default( obj );
idx.object_from_variant( vo, obj );
} );
break;
case db_action_update:
db.modify( db.get_object( oid ), [&]( object& obj )
{
idx.object_from_variant( vo, obj );
} );
break;
case db_action_delete:
db.remove( db.get_object( oid ) );
break;
default:
FC_ASSERT( false );
}
}
void database::apply_debug_updates()
{
block_id_type head_id = head_block_id();
auto it = _node_property_object.debug_updates.find( head_id );
if( it == _node_property_object.debug_updates.end() )
return;
for( const fc::variant_object& update : it->second )
debug_apply_update( *this, update );
}
void database::debug_update( const fc::variant_object& update )
{
block_id_type head_id = head_block_id();
auto it = _node_property_object.debug_updates.find( head_id );
if( it == _node_property_object.debug_updates.end() )
it = _node_property_object.debug_updates.emplace( head_id, std::vector< fc::variant_object >() ).first;
it->second.emplace_back( update );
optional<signed_block> head_block = fetch_block_by_id( head_id );
FC_ASSERT( head_block.valid() );
// What the last block does has been changed by adding to node_property_object, so we have to re-apply it
pop_block();
push_block( *head_block );
}
} }