127 lines
5.3 KiB
C++
127 lines
5.3 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/transfer_evaluator.hpp>
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#include <graphene/chain/account_object.hpp>
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#include <graphene/chain/exceptions.hpp>
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namespace graphene { namespace chain {
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void_result transfer_evaluator::do_evaluate( const transfer_operation& op )
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{ try {
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database& d = db();
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const account_object& from_account = op.from(d);
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const account_object& to_account = op.to(d);
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const asset_object& asset_type = op.amount.asset_id(d);
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const asset_object& fee_asset_type = op.fee.asset_id(d);
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try {
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if( asset_type.options.flags & white_list )
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{
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GRAPHENE_ASSERT(
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from_account.is_authorized_asset( asset_type ),
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transfer_from_account_not_whitelisted,
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"'from' account ${from} is not whitelisted for asset ${asset}",
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("from",op.from)
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("asset",op.amount.asset_id)
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);
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GRAPHENE_ASSERT(
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to_account.is_authorized_asset( asset_type ),
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transfer_to_account_not_whitelisted,
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"'to' account ${to} is not whitelisted for asset ${asset}",
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("to",op.to)
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("asset",op.amount.asset_id)
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);
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}
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if( fee_asset_type.options.flags & white_list )
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FC_ASSERT( from_account.is_authorized_asset( asset_type ) );
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if( asset_type.is_transfer_restricted() )
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{
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GRAPHENE_ASSERT(
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from_account.id == asset_type.issuer || to_account.id == asset_type.issuer,
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transfer_restricted_transfer_asset,
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"Asset {asset} has transfer_restricted flag enabled",
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("asset", op.amount.asset_id)
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);
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}
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bool insufficient_balance = d.get_balance( from_account, asset_type ).amount >= op.amount.amount;
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FC_ASSERT( insufficient_balance,
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"Insufficient Balance: ${balance}, unable to transfer '${total_transfer}' from account '${a}' to '${t}'",
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("a",from_account.name)("t",to_account.name)("total_transfer",d.to_pretty_string(op.amount))("balance",d.to_pretty_string(d.get_balance(from_account, asset_type))) );
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return void_result();
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} FC_RETHROW_EXCEPTIONS( error, "Unable to transfer ${a} from ${f} to ${t}", ("a",d.to_pretty_string(op.amount))("f",op.from(d).name)("t",op.to(d).name) );
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} FC_CAPTURE_AND_RETHROW( (op) ) }
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void_result transfer_evaluator::do_apply( const transfer_operation& o )
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{ try {
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db().adjust_balance( o.from, -o.amount );
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db().adjust_balance( o.to, o.amount );
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return void_result();
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} FC_CAPTURE_AND_RETHROW( (o) ) }
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void_result override_transfer_evaluator::do_evaluate( const override_transfer_operation& op )
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{ try {
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database& d = db();
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const asset_object& asset_type = op.amount.asset_id(d);
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GRAPHENE_ASSERT(
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asset_type.can_override(),
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override_transfer_not_permitted,
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"override_transfer not permitted for asset ${asset}",
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("asset", op.amount.asset_id)
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);
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FC_ASSERT( asset_type.issuer == op.issuer );
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const account_object& from_account = op.from(d);
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const account_object& to_account = op.to(d);
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const asset_object& fee_asset_type = op.fee.asset_id(d);
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if( asset_type.options.flags & white_list )
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{
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FC_ASSERT( to_account.is_authorized_asset( asset_type ) );
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FC_ASSERT( from_account.is_authorized_asset( asset_type ) );
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}
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if( fee_asset_type.options.flags & white_list )
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FC_ASSERT( from_account.is_authorized_asset( asset_type ) );
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FC_ASSERT( d.get_balance( from_account, asset_type ).amount >= op.amount.amount,
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"", ("total_transfer",op.amount)("balance",d.get_balance(from_account, asset_type).amount) );
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return void_result();
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} FC_CAPTURE_AND_RETHROW( (op) ) }
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void_result override_transfer_evaluator::do_apply( const override_transfer_operation& o )
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{ try {
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db().adjust_balance( o.from, -o.amount );
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db().adjust_balance( o.to, o.amount );
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return void_result();
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} FC_CAPTURE_AND_RETHROW( (o) ) }
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} } // graphene::chain
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