code.vegaprotocol.io/vega@v0.79.0/datanode/sqlsubscribers/risk_factors.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 sqlsubscribers
    17  
    18  import (
    19  	"context"
    20  
    21  	"code.vegaprotocol.io/vega/core/events"
    22  	"code.vegaprotocol.io/vega/datanode/entities"
    23  	"code.vegaprotocol.io/vega/protos/vega"
    24  
    25  	"github.com/pkg/errors"
    26  )
    27  
    28  type RiskFactorEvent interface {
    29  	events.Event
    30  	RiskFactor() vega.RiskFactor
    31  }
    32  
    33  type RiskFactorStore interface {
    34  	Upsert(context.Context, *entities.RiskFactor) error
    35  }
    36  
    37  type RiskFactor struct {
    38  	subscriber
    39  	store RiskFactorStore
    40  }
    41  
    42  func NewRiskFactor(store RiskFactorStore) *RiskFactor {
    43  	return &RiskFactor{
    44  		store: store,
    45  	}
    46  }
    47  
    48  func (rf *RiskFactor) Types() []events.Type {
    49  	return []events.Type{events.RiskFactorEvent}
    50  }
    51  
    52  func (rf *RiskFactor) Push(ctx context.Context, evt events.Event) error {
    53  	return rf.consume(ctx, evt.(RiskFactorEvent))
    54  }
    55  
    56  func (rf *RiskFactor) consume(ctx context.Context, event RiskFactorEvent) error {
    57  	riskFactor := event.RiskFactor()
    58  	record, err := entities.RiskFactorFromProto(&riskFactor, entities.TxHash(event.TxHash()), rf.vegaTime)
    59  	if err != nil {
    60  		return errors.Wrap(err, "converting risk factor proto to database entity failed")
    61  	}
    62  
    63  	return errors.Wrap(rf.store.Upsert(ctx, record), "inserting risk factor to SQL store failed")
    64  }
    65  
    66  func (rf *RiskFactor) Name() string {
    67  	return "RiskFactor"
    68  }