code.vegaprotocol.io/vega@v0.79.0/datanode/gateway/graphql/tradable_instrument_resolver.go (about)

     1  // Copyright (C) 2023 Gobalsky Labs Limited
     2  //
     3  // This program is free software: you can redistribute it and/or modify
     4  // it under the terms of the GNU Affero General Public License as
     5  // published by the Free Software Foundation, either version 3 of the
     6  // License, or (at your option) any later version.
     7  //
     8  // This program is distributed in the hope that it will be useful,
     9  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    10  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    11  // GNU Affero General Public License for more details.
    12  //
    13  // You should have received a copy of the GNU Affero General Public License
    14  // along with this program.  If not, see <http://www.gnu.org/licenses/>.
    15  
    16  package gql
    17  
    18  import (
    19  	"context"
    20  	"errors"
    21  
    22  	proto "code.vegaprotocol.io/vega/protos/vega"
    23  )
    24  
    25  type myTradableInstrumentResolver VegaResolverRoot
    26  
    27  func (r *myTradableInstrumentResolver) RiskModel(ctx context.Context, obj *proto.TradableInstrument) (RiskModel, error) {
    28  	switch rm := obj.RiskModel.(type) {
    29  	case *proto.TradableInstrument_LogNormalRiskModel:
    30  		return rm.LogNormalRiskModel, nil
    31  	case *proto.TradableInstrument_SimpleRiskModel:
    32  		return rm.SimpleRiskModel, nil
    33  	default:
    34  		return nil, errors.New("invalid risk model")
    35  	}
    36  }