234 lines
7.6 KiB
C++
234 lines
7.6 KiB
C++
/*
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* Copyright (c) 2015 Cryptonomex, Inc., and contributors.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
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*
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* 1. Any modified source or binaries are used only with the BitShares network.
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*
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* 2. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
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*
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* 3. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <graphene/chain/protocol/asset_ops.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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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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// 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 != 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_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 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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} } // namespace graphene::chain
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