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Add more checks when placing bets

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This commit is contained in:
Eric Frias 2017-03-21 19:47:57 -04:00
parent 06c56484de
commit 46ef911f8e
2 changed files with 16 additions and 3 deletions
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15
libraries/chain/betting_market_evaluator.cpp
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@ -94,10 +94,15 @@ object_id_type betting_market_create_evaluator::do_apply(const betting_market_cr
void_result bet_place_evaluator::do_evaluate(const bet_place_operation& op)
{ try {
FC_ASSERT( db().find_object(op.bettor_id), "Invalid betting_market_group specified" );
FC_ASSERT( db().find_object(op.betting_market_id), "Invalid betting_market specified" );
const database& d = db();
const chain_parameters& current_params = db().get_global_properties().parameters;
_betting_market = &op.betting_market_id(d);
_betting_market_group = &_betting_market->group_id(d);
_asset = &_betting_market->asset_id(d);
FC_ASSERT( is_authorized_asset( d, *fee_paying_account, *_asset ) );
const chain_parameters& current_params = d.get_global_properties().parameters;
FC_ASSERT( op.backer_multiplier >= current_params.min_bet_multiplier &&
op.backer_multiplier <= current_params.max_bet_multiplier,
"Bet odds are outside the blockchain's limits" );
@ -113,6 +118,10 @@ void_result bet_place_evaluator::do_evaluate(const bet_place_operation& op)
FC_ASSERT(op.backer_multiplier % allowed_increment == 0, "Bet odds must be a multiple of ${allowed_increment}", ("allowed_increment", allowed_increment));
}
share_type stake_plus_fees = op.amount_to_bet + op.amount_reserved_for_fees;
FC_ASSERT( d.get_balance( *fee_paying_account, *_asset ).amount >= stake_plus_fees, "insufficient balance",
("balance", d.get_balance(*fee_paying_account, *_asset))("stake_plus_fees", stake_plus_fees) );
return void_result();
} FC_CAPTURE_AND_RETHROW( (op) ) }

4
libraries/chain/include/graphene/chain/betting_market_evaluator.hpp
View file

@ -58,6 +58,10 @@ namespace graphene { namespace chain {
void_result do_evaluate( const bet_place_operation& o );
object_id_type do_apply( const bet_place_operation& o );
private:
const betting_market_group_object* _betting_market_group;
const betting_market_object* _betting_market;
const asset_object* _asset;
};
} } // graphene::chain