peerplays_migrated/libraries/chain/witness_evaluator.cpp

80 lines
3.2 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/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.previous_secret = secret_hash_type();
obj.next_secret_hash = secret_hash_type::hash( op.initial_secret );
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;
if( op.new_initial_secret.valid() )
wit.next_secret_hash = *op.new_initial_secret;
});
return void_result();
} FC_CAPTURE_AND_RETHROW( (op) ) }
} } // graphene::chain