265 lines
8.1 KiB
C++
265 lines
8.1 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/protocol/asset_ops.hpp>
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#include <graphene/chain/database.hpp>
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namespace graphene { namespace chain {
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/**
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* Valid symbols can contain [A-Z0-9], and '.'
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* They must start with [A, Z]
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* They must end with [A, Z]
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* They can contain a maximum of one '.'
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*/
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bool is_valid_symbol( const string& symbol )
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{
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if( symbol.size() < GRAPHENE_MIN_ASSET_SYMBOL_LENGTH )
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return false;
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if( symbol.substr(0,3) == "BIT" )
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return false;
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if( symbol.size() > GRAPHENE_MAX_ASSET_SYMBOL_LENGTH )
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return false;
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if( !isalpha( symbol.front() ) )
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return false;
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if( !isalpha( symbol.back() ) )
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return false;
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bool dot_already_present = false;
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for( const auto c : symbol )
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{
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if( (isalpha( c ) && isupper( c )) || isdigit(c) )
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continue;
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if( c == '.' )
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{
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if( dot_already_present )
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return false;
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dot_already_present = true;
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continue;
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}
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return false;
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}
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return true;
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}
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share_type asset_issue_operation::calculate_fee(const fee_parameters_type& k)const
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{
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return k.fee + calculate_data_fee( fc::raw::pack_size(memo), k.price_per_kbyte );
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}
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share_type asset_create_operation::calculate_fee(const asset_create_operation::fee_parameters_type& param)const
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{
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auto core_fee_required = param.long_symbol;
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if( extension.which() == asset_extension::tag<lottery_asset_options>::value ) {
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core_fee_required = param.lottery_asset;
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} else {
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switch(symbol.size()) {
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case 3: core_fee_required = param.symbol3;
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break;
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case 4: core_fee_required = param.symbol4;
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break;
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default:
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break;
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}
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}
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// common_options contains several lists and a string. Charge fees for its size
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core_fee_required += calculate_data_fee( fc::raw::pack_size(*this), param.price_per_kbyte );
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return core_fee_required;
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}
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void asset_create_operation::validate()const
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{
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FC_ASSERT( fee.amount >= 0 );
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FC_ASSERT( is_valid_symbol(symbol) );
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common_options.validate();
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if( common_options.issuer_permissions & (disable_force_settle|global_settle) )
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FC_ASSERT( bitasset_opts.valid() );
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if( is_prediction_market )
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{
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FC_ASSERT( bitasset_opts.valid(), "Cannot have a User-Issued Asset implement a prediction market." );
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FC_ASSERT( common_options.issuer_permissions & global_settle );
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}
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if( bitasset_opts ) bitasset_opts->validate();
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asset dummy = asset(1) * common_options.core_exchange_rate;
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FC_ASSERT(dummy.asset_id == asset_id_type(1));
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FC_ASSERT(precision <= 12);
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}
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void asset_update_operation::validate()const
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{
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FC_ASSERT( fee.amount >= 0 );
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if( new_issuer )
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FC_ASSERT(issuer != *new_issuer);
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new_options.validate();
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asset dummy = asset(1, asset_to_update) * new_options.core_exchange_rate;
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FC_ASSERT(dummy.asset_id == asset_id_type());
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}
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share_type asset_update_operation::calculate_fee(const asset_update_operation::fee_parameters_type& k)const
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{
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return k.fee + calculate_data_fee( fc::raw::pack_size(*this), k.price_per_kbyte );
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}
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void asset_publish_feed_operation::validate()const
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{
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FC_ASSERT( fee.amount >= 0 );
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feed.validate();
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// maybe some of these could be moved to feed.validate()
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if( !feed.core_exchange_rate.is_null() )
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{
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feed.core_exchange_rate.validate();
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}
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if( (!feed.settlement_price.is_null()) && (!feed.core_exchange_rate.is_null()) )
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{
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FC_ASSERT( feed.settlement_price.base.asset_id == feed.core_exchange_rate.base.asset_id );
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}
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FC_ASSERT( !feed.settlement_price.is_null() );
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FC_ASSERT( !feed.core_exchange_rate.is_null() );
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FC_ASSERT( feed.is_for( asset_id ) );
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}
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void asset_reserve_operation::validate()const
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{
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FC_ASSERT( fee.amount >= 0 );
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FC_ASSERT( amount_to_reserve.amount.value <= GRAPHENE_MAX_SHARE_SUPPLY );
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FC_ASSERT( amount_to_reserve.amount.value > 0 );
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}
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void asset_issue_operation::validate()const
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{
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FC_ASSERT( fee.amount >= 0 );
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FC_ASSERT( asset_to_issue.amount.value <= GRAPHENE_MAX_SHARE_SUPPLY );
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FC_ASSERT( asset_to_issue.amount.value > 0 );
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FC_ASSERT( asset_to_issue.asset_id != asset_id_type(0) );
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}
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void asset_fund_fee_pool_operation::validate() const
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{
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FC_ASSERT( fee.amount >= 0 );
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FC_ASSERT( fee.asset_id == asset_id_type() );
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FC_ASSERT( amount > 0 );
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}
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void asset_settle_operation::validate() const
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{
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FC_ASSERT( fee.amount >= 0 );
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FC_ASSERT( amount.amount >= 0 );
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}
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void asset_update_bitasset_operation::validate() const
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{
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FC_ASSERT( fee.amount >= 0 );
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new_options.validate();
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}
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void asset_update_dividend_operation::validate() const
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{
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FC_ASSERT( fee.amount >= 0 );
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new_options.validate();
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}
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void asset_update_feed_producers_operation::validate() const
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{
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FC_ASSERT( fee.amount >= 0 );
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}
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void asset_global_settle_operation::validate()const
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{
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FC_ASSERT( fee.amount >= 0 );
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FC_ASSERT( asset_to_settle == settle_price.base.asset_id );
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}
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void bitasset_options::validate() const
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{
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FC_ASSERT(minimum_feeds > 0);
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FC_ASSERT(force_settlement_offset_percent <= GRAPHENE_100_PERCENT);
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FC_ASSERT(maximum_force_settlement_volume <= GRAPHENE_100_PERCENT);
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}
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void dividend_asset_options::validate() const
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{
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}
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void asset_options::validate()const
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{
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FC_ASSERT( max_supply > 0 );
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FC_ASSERT( max_supply <= GRAPHENE_MAX_SHARE_SUPPLY );
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FC_ASSERT( market_fee_percent <= GRAPHENE_100_PERCENT );
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FC_ASSERT( max_market_fee >= 0 && max_market_fee <= GRAPHENE_MAX_SHARE_SUPPLY );
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// There must be no high bits in permissions whose meaning is not known.
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FC_ASSERT( !(issuer_permissions & ~ASSET_ISSUER_PERMISSION_MASK) );
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// The global_settle flag may never be set (this is a permission only)
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FC_ASSERT( !(flags & global_settle) );
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// the witness_fed and committee_fed flags cannot be set simultaneously
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FC_ASSERT( (flags & (witness_fed_asset | committee_fed_asset)) != (witness_fed_asset | committee_fed_asset) );
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core_exchange_rate.validate();
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FC_ASSERT( core_exchange_rate.base.asset_id.instance.value == 0 ||
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core_exchange_rate.quote.asset_id.instance.value == 0 );
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if(!whitelist_authorities.empty() || !blacklist_authorities.empty())
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FC_ASSERT( flags & white_list );
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for( auto item : whitelist_markets )
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{
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FC_ASSERT( blacklist_markets.find(item) == blacklist_markets.end() );
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}
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for( auto item : blacklist_markets )
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{
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FC_ASSERT( whitelist_markets.find(item) == whitelist_markets.end() );
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}
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}
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void asset_claim_fees_operation::validate()const {
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FC_ASSERT( fee.amount >= 0 );
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FC_ASSERT( amount_to_claim.amount > 0 );
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}
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void lottery_asset_options::validate() const
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{
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FC_ASSERT( winning_tickets.size() <= 64 );
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uint16_t total = 0;
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for( auto benefactor : benefactors ) {
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total += benefactor.share;
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}
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for( auto share : winning_tickets ) {
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total += share;
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}
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FC_ASSERT( total == GRAPHENE_100_PERCENT, "distribution amount not equals GRAPHENE_100_PERCENT" );
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}
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} } // namespace graphene::chain
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