code.vegaprotocol.io/vega@v0.79.0/datanode/sqlsubscribers/liquidity_provision.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 LiquidityProvisionEvent interface {
    29  	events.Event
    30  	LiquidityProvision() *vega.LiquidityProvision
    31  }
    32  
    33  type LiquidityProvisionStore interface {
    34  	Upsert(context.Context, entities.LiquidityProvision) error
    35  	Flush(ctx context.Context) error
    36  }
    37  
    38  type LiquidityProvision struct {
    39  	subscriber
    40  	store LiquidityProvisionStore
    41  }
    42  
    43  func NewLiquidityProvision(store LiquidityProvisionStore) *LiquidityProvision {
    44  	return &LiquidityProvision{
    45  		store: store,
    46  	}
    47  }
    48  
    49  func (lp *LiquidityProvision) Types() []events.Type {
    50  	return []events.Type{events.LiquidityProvisionEvent}
    51  }
    52  
    53  func (lp *LiquidityProvision) Flush(ctx context.Context) error {
    54  	err := lp.flush(ctx)
    55  	if err != nil {
    56  		return errors.Wrap(err, "flushing liquidity provisions")
    57  	}
    58  
    59  	return nil
    60  }
    61  
    62  func (lp *LiquidityProvision) Push(ctx context.Context, evt events.Event) error {
    63  	return lp.consume(ctx, evt.(LiquidityProvisionEvent))
    64  }
    65  
    66  func (lp *LiquidityProvision) flush(ctx context.Context) error {
    67  	return errors.Wrap(lp.store.Flush(ctx), "flushing liquidity provisions")
    68  }
    69  
    70  func (lp *LiquidityProvision) consume(ctx context.Context, event LiquidityProvisionEvent) error {
    71  	entity, err := entities.LiquidityProvisionFromProto(event.LiquidityProvision(), entities.TxHash(event.TxHash()), lp.vegaTime)
    72  	if err != nil {
    73  		return errors.Wrap(err, "converting liquidity provision event to database entity failed")
    74  	}
    75  
    76  	err = lp.store.Upsert(ctx, entity)
    77  	return errors.Wrap(err, "adding liquidity provision to store")
    78  }
    79  
    80  func (lp *LiquidityProvision) Name() string {
    81  	return "LiquidityProvision"
    82  }