124 lines
4.9 KiB
C++
124 lines
4.9 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/transfer_evaluator.hpp>
|
|
#include <graphene/chain/account_object.hpp>
|
|
#include <graphene/chain/exceptions.hpp>
|
|
#include <graphene/chain/hardfork.hpp>
|
|
#include <graphene/chain/is_authorized_asset.hpp>
|
|
|
|
namespace graphene { namespace chain {
|
|
void_result transfer_evaluator::do_evaluate( const transfer_operation& op )
|
|
{ try {
|
|
|
|
const database& d = db();
|
|
|
|
const account_object& from_account = op.from(d);
|
|
const account_object& to_account = op.to(d);
|
|
const asset_object& asset_type = op.amount.asset_id(d);
|
|
|
|
try {
|
|
|
|
GRAPHENE_ASSERT(
|
|
is_authorized_asset( d, from_account, asset_type ),
|
|
transfer_from_account_not_whitelisted,
|
|
"'from' account ${from} is not whitelisted for asset ${asset}",
|
|
("from",op.from)
|
|
("asset",op.amount.asset_id)
|
|
);
|
|
GRAPHENE_ASSERT(
|
|
is_authorized_asset( d, to_account, asset_type ),
|
|
transfer_to_account_not_whitelisted,
|
|
"'to' account ${to} is not whitelisted for asset ${asset}",
|
|
("to",op.to)
|
|
("asset",op.amount.asset_id)
|
|
);
|
|
|
|
if( asset_type.is_transfer_restricted() )
|
|
{
|
|
GRAPHENE_ASSERT(
|
|
from_account.id == asset_type.issuer || to_account.id == asset_type.issuer,
|
|
transfer_restricted_transfer_asset,
|
|
"Asset {asset} has transfer_restricted flag enabled",
|
|
("asset", op.amount.asset_id)
|
|
);
|
|
}
|
|
|
|
bool insufficient_balance = d.get_balance( from_account, asset_type ).amount >= op.amount.amount;
|
|
FC_ASSERT( insufficient_balance,
|
|
"Insufficient Balance: ${balance}, unable to transfer '${total_transfer}' from account '${a}' to '${t}'",
|
|
("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))) );
|
|
|
|
return void_result();
|
|
} 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) );
|
|
|
|
} FC_CAPTURE_AND_RETHROW( (op) ) }
|
|
|
|
void_result transfer_evaluator::do_apply( const transfer_operation& o )
|
|
{ try {
|
|
db().adjust_balance( o.from, -o.amount );
|
|
db().adjust_balance( o.to, o.amount );
|
|
return void_result();
|
|
} FC_CAPTURE_AND_RETHROW( (o) ) }
|
|
|
|
|
|
|
|
void_result override_transfer_evaluator::do_evaluate( const override_transfer_operation& op )
|
|
{ try {
|
|
const database& d = db();
|
|
|
|
const asset_object& asset_type = op.amount.asset_id(d);
|
|
GRAPHENE_ASSERT(
|
|
asset_type.can_override(),
|
|
override_transfer_not_permitted,
|
|
"override_transfer not permitted for asset ${asset}",
|
|
("asset", op.amount.asset_id)
|
|
);
|
|
FC_ASSERT( asset_type.issuer == op.issuer );
|
|
|
|
const account_object& from_account = op.from(d);
|
|
const account_object& to_account = op.to(d);
|
|
|
|
FC_ASSERT( is_authorized_asset( d, to_account, asset_type ) );
|
|
FC_ASSERT( is_authorized_asset( d, from_account, asset_type ) );
|
|
|
|
if( d.head_block_time() <= HARDFORK_419_TIME )
|
|
{
|
|
FC_ASSERT( is_authorized_asset( d, from_account, asset_type ) );
|
|
}
|
|
// the above becomes no-op after hardfork because this check will then be performed in evaluator
|
|
|
|
FC_ASSERT( d.get_balance( from_account, asset_type ).amount >= op.amount.amount,
|
|
"", ("total_transfer",op.amount)("balance",d.get_balance(from_account, asset_type).amount) );
|
|
|
|
return void_result();
|
|
} FC_CAPTURE_AND_RETHROW( (op) ) }
|
|
|
|
void_result override_transfer_evaluator::do_apply( const override_transfer_operation& o )
|
|
{ try {
|
|
db().adjust_balance( o.from, -o.amount );
|
|
db().adjust_balance( o.to, o.amount );
|
|
return void_result();
|
|
} FC_CAPTURE_AND_RETHROW( (o) ) }
|
|
|
|
} } // graphene::chain
|