peerplays_migrated/libraries/chain/witness_evaluator.cpp
2015-08-26 17:43:00 -04:00

70 lines
3.1 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/witness_evaluator.hpp>
#include <graphene/chain/witness_object.hpp>
#include <graphene/chain/committee_member_object.hpp>
#include <graphene/chain/account_object.hpp>
#include <graphene/chain/database.hpp>
#include <graphene/chain/protocol/vote.hpp>
namespace graphene { namespace chain {
void_result witness_create_evaluator::do_evaluate( const witness_create_operation& op )
{ try {
FC_ASSERT(db().get(op.witness_account).is_lifetime_member());
return void_result();
} FC_CAPTURE_AND_RETHROW( (op) ) }
object_id_type witness_create_evaluator::do_apply( const witness_create_operation& op )
{ try {
vote_id_type vote_id;
db().modify(db().get_global_properties(), [&vote_id](global_property_object& p) {
vote_id = get_next_vote_id(p, vote_id_type::witness);
});
const auto& new_witness_object = db().create<witness_object>( [&]( witness_object& obj ){
obj.witness_account = op.witness_account;
obj.signing_key = op.block_signing_key;
obj.vote_id = vote_id;
obj.url = op.url;
});
return new_witness_object.id;
} FC_CAPTURE_AND_RETHROW( (op) ) }
void_result witness_update_evaluator::do_evaluate( const witness_update_operation& op )
{ try {
FC_ASSERT(db().get(op.witness).witness_account == op.witness_account);
return void_result();
} FC_CAPTURE_AND_RETHROW( (op) ) }
void_result witness_update_evaluator::do_apply( const witness_update_operation& op )
{ try {
database& _db = db();
_db.modify(
_db.get(op.witness),
[&]( witness_object& wit )
{
if( op.new_url.valid() )
wit.url = *op.new_url;
if( op.new_signing_key.valid() )
wit.signing_key = *op.new_signing_key;
});
return void_result();
} FC_CAPTURE_AND_RETHROW( (op) ) }
} } // graphene::chain