103 lines
4.6 KiB
C++
103 lines
4.6 KiB
C++
/*
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* Copyright (c) 2015 Cryptonomex, Inc., and contributors.
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*
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* The MIT License
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <graphene/chain/database.hpp>
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#include <graphene/chain/evaluator.hpp>
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#include <graphene/chain/fba_object.hpp>
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namespace graphene { namespace chain {
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bool fba_accumulator_object::is_configured( const database& db )const
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{
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if( !designated_asset.valid() )
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{
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ilog( "FBA fee in block ${b} not paid because designated asset was not configured", ("b", db.head_block_num()) );
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return false;
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}
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const asset_object* dasset = db.find(*designated_asset);
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if( dasset == nullptr )
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{
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ilog( "FBA fee in block ${b} not paid because of FBA misconfiguration: designated asset does not exist", ("b", db.head_block_num()) );
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return false;
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}
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if( dasset->is_market_issued() )
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{
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ilog( "FBA fee in block ${b} not paid because of FBA misconfiguration: FBA is a BitAsset", ("b", db.head_block_num()) );
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return false;
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}
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const uint16_t allowed_flags = charge_market_fee;
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// check enabled issuer_permissions bits is subset of allowed_flags bits
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if( (dasset->options.issuer_permissions & allowed_flags) != dasset->options.issuer_permissions )
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{
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ilog( "FBA fee in block ${b} not paid because of FBA misconfiguration: Disallowed permissions enabled", ("b", db.head_block_num()) );
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return false;
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}
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// check enabled issuer_permissions bits is subset of allowed_flags bits
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if( (dasset->options.flags & allowed_flags) != dasset->options.flags )
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{
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ilog( "FBA fee in block ${b} not paid because of FBA misconfiguration: Disallowed flags enabled", ("b", db.head_block_num()) );
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return false;
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}
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if( !dasset->buyback_account.valid() )
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{
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ilog( "FBA fee in block ${b} not paid because of FBA misconfiguration: designated asset does not have a buyback account", ("b", db.head_block_num()) );
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return false;
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}
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const account_object& issuer_acct = dasset->issuer(db);
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if( issuer_acct.owner_special_authority.which() != special_authority::tag< top_holders_special_authority >::value )
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{
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ilog( "FBA fee in block ${b} not paid because of FBA misconfiguration: designated asset issuer has not set owner top_n control", ("b", db.head_block_num()) );
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return false;
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}
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if( issuer_acct.active_special_authority.which() != special_authority::tag< top_holders_special_authority >::value )
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{
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ilog( "FBA fee in block ${b} not paid because of FBA misconfiguration: designated asset issuer has not set active top_n control", ("b", db.head_block_num()) );
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return false;
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}
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if( issuer_acct.owner_special_authority.get< top_holders_special_authority >().asset != *designated_asset )
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{
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ilog( "FBA fee in block ${b} not paid because of FBA misconfiguration: designated asset issuer's top_n_control is not set to designated asset", ("b", db.head_block_num()) );
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return false;
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}
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if( issuer_acct.active_special_authority.get< top_holders_special_authority >().asset != *designated_asset )
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{
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ilog( "FBA fee in block ${b} not paid because of FBA misconfiguration: designated asset issuer's top_n_control is not set to designated asset", ("b", db.head_block_num()) );
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return false;
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}
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if( issuer_acct.top_n_control_flags != (account_object::top_n_control_owner | account_object::top_n_control_active) )
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{
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ilog( "FBA fee in block ${b} not paid because designated asset's top_n control has not yet activated (wait until next maintenance interval)", ("b", db.head_block_num()) );
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return false;
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}
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return true;
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}
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} }
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