74 lines
2.8 KiB
C++
74 lines
2.8 KiB
C++
/*
|
|
* Copyright (c) 2015, Cryptonomex, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This source code is provided for evaluation in private test networks only, until September 8, 2015. After this date, this license expires and
|
|
* the code may not be used, modified or distributed for any purpose. Redistribution and use in source and binary forms, with or without modification,
|
|
* are permitted until September 8, 2015, provided that the following conditions are met:
|
|
*
|
|
* 1. The code and/or derivative works are used only for private test networks consisting of no more than 10 P2P nodes.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
|
|
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
|
|
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
|
|
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <graphene/chain/assert_evaluator.hpp>
|
|
#include <graphene/chain/database.hpp>
|
|
#include <graphene/chain/predicate.hpp>
|
|
|
|
#include <sstream>
|
|
|
|
namespace graphene { namespace chain {
|
|
|
|
struct predicate_evaluator
|
|
{
|
|
typedef bool result_type;
|
|
const database& db;
|
|
|
|
predicate_evaluator( const database& d ):db(d){}
|
|
|
|
template< typename T >
|
|
bool operator()( const T& p )const
|
|
{
|
|
return p.evaluate( db );
|
|
}
|
|
};
|
|
|
|
void_result assert_evaluator::do_evaluate( const assert_operation& o )
|
|
{
|
|
const database& _db = db();
|
|
uint32_t skip = _db.get_node_properties().skip_flags;
|
|
auto max_predicate_opcode = _db.get_global_properties().parameters.max_predicate_opcode;
|
|
|
|
if( skip & database::skip_assert_evaluation )
|
|
return void_result();
|
|
|
|
for( const vector<char>& pdata : o.predicates )
|
|
{
|
|
fc::datastream<const char*> ds( pdata.data(), pdata.size() );
|
|
predicate p;
|
|
//
|
|
// FC_ASSERT deep in the bowels of static_variant implementation
|
|
// will trip if we get a predicate which isn't in our code's
|
|
// static_variant. This is desired behavior.
|
|
//
|
|
fc::raw::unpack( ds, p );
|
|
|
|
FC_ASSERT( p.which() >= 0 );
|
|
FC_ASSERT( unsigned(p.which()) < max_predicate_opcode );
|
|
FC_ASSERT( p.visit( predicate_evaluator( _db ) ) );
|
|
}
|
|
return void_result();
|
|
}
|
|
|
|
void_result assert_evaluator::do_apply( const assert_operation& o )
|
|
{
|
|
// assert_operation is always a no-op
|
|
return void_result();
|
|
}
|
|
|
|
} } // graphene::chain
|