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liquidity_provision.go
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liquidity_provision.go
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// Copyright (c) 2022 Gobalsky Labs Limited
//
// Use of this software is governed by the Business Source License included
// in the LICENSE.DATANODE file and at https://www.mariadb.com/bsl11.
//
// Change Date: 18 months from the later of the date of the first publicly
// available Distribution of this version of the repository, and 25 June 2022.
//
// On the date above, in accordance with the Business Source License, use
// of this software will be governed by version 3 or later of the GNU General
// Public License.
package sqlstore
import (
"context"
"errors"
"fmt"
"code.vegaprotocol.io/vega/datanode/entities"
"code.vegaprotocol.io/vega/datanode/metrics"
"code.vegaprotocol.io/vega/datanode/utils"
"code.vegaprotocol.io/vega/logging"
v2 "code.vegaprotocol.io/vega/protos/data-node/api/v2"
"github.com/georgysavva/scany/pgxscan"
)
var lpOrdering = TableOrdering{
ColumnOrdering{Name: "vega_time", Sorting: ASC},
ColumnOrdering{Name: "id", Sorting: ASC},
}
type LiquidityProvision struct {
*ConnectionSource
batcher MapBatcher[entities.LiquidityProvisionKey, entities.LiquidityProvision]
observer utils.Observer[entities.LiquidityProvision]
}
const (
sqlOracleLiquidityProvisionColumns = `id, party_id, created_at, updated_at, market_id,
commitment_amount, fee, sells, buys, version, status, reference, tx_hash, vega_time`
)
func NewLiquidityProvision(connectionSource *ConnectionSource, log *logging.Logger) *LiquidityProvision {
return &LiquidityProvision{
ConnectionSource: connectionSource,
batcher: NewMapBatcher[entities.LiquidityProvisionKey, entities.LiquidityProvision](
"liquidity_provisions", entities.LiquidityProvisionColumns),
observer: utils.NewObserver[entities.LiquidityProvision]("liquidity_provisions", log, 10, 10),
}
}
func (lp *LiquidityProvision) Flush(ctx context.Context) error {
defer metrics.StartSQLQuery("LiquidityProvision", "Flush")()
flushed, err := lp.batcher.Flush(ctx, lp.Connection)
if err != nil {
return err
}
lp.observer.Notify(flushed)
return nil
}
func (lp *LiquidityProvision) ObserveLiquidityProvisions(ctx context.Context, retries int,
market *string, party *string,
) (<-chan []entities.LiquidityProvision, uint64) {
ch, ref := lp.observer.Observe(
ctx,
retries,
func(lp entities.LiquidityProvision) bool {
marketOk := market == nil || lp.MarketID.String() == *market
partyOk := party == nil || lp.PartyID.String() == *party
return marketOk && partyOk
})
return ch, ref
}
func (lp *LiquidityProvision) Upsert(ctx context.Context, liquidityProvision entities.LiquidityProvision) error {
lp.batcher.Add(liquidityProvision)
return nil
}
func (lp *LiquidityProvision) Get(ctx context.Context, partyID entities.PartyID, marketID entities.MarketID,
reference string,
live bool,
pagination entities.Pagination,
) ([]entities.LiquidityProvision, entities.PageInfo, error) {
if len(partyID) == 0 && len(marketID) == 0 {
return nil, entities.PageInfo{}, errors.New("market or party filters are required")
}
switch p := pagination.(type) {
case entities.CursorPagination:
return lp.getWithCursorPagination(ctx, partyID, marketID, reference, live, p)
default:
panic("unsupported pagination")
}
}
func (lp *LiquidityProvision) GetByTxHash(ctx context.Context, txHash entities.TxHash) ([]entities.LiquidityProvision, error) {
defer metrics.StartSQLQuery("LiquidityProvision", "GetByTxHash")()
var liquidityProvisions []entities.LiquidityProvision
query := fmt.Sprintf(`SELECT %s FROM liquidity_provisions WHERE tx_hash = $1`, sqlOracleLiquidityProvisionColumns)
err := pgxscan.Select(ctx, lp.Connection, &liquidityProvisions, query, txHash)
if err != nil {
return nil, err
}
return liquidityProvisions, nil
}
func (lp *LiquidityProvision) getWithCursorPagination(ctx context.Context, partyID entities.PartyID, marketID entities.MarketID,
reference string, live bool, pagination entities.CursorPagination,
) ([]entities.LiquidityProvision, entities.PageInfo, error) {
query, bindVars := lp.buildLiquidityProvisionsSelect(partyID, marketID, reference, live)
var err error
var pageInfo entities.PageInfo
query, bindVars, err = PaginateQuery[entities.LiquidityProvisionCursor](query, bindVars, lpOrdering, pagination)
if err != nil {
return nil, pageInfo, err
}
var liquidityProvisions []entities.LiquidityProvision
if err = pgxscan.Select(ctx, lp.Connection, &liquidityProvisions, query, bindVars...); err != nil {
return nil, entities.PageInfo{}, err
}
pagedLiquidityProvisions, pageInfo := entities.PageEntities[*v2.LiquidityProvisionsEdge](liquidityProvisions, pagination)
return pagedLiquidityProvisions, pageInfo, nil
}
func (lp *LiquidityProvision) buildLiquidityProvisionsSelect(partyID entities.PartyID, marketID entities.MarketID,
reference string, live bool,
) (string, []interface{}) {
var bindVars []interface{}
selectSQL := ""
if live {
selectSQL = fmt.Sprintf(`select %s
from live_liquidity_provisions`, sqlOracleLiquidityProvisionColumns)
} else {
selectSQL = fmt.Sprintf(`select %s
from liquidity_provisions`, sqlOracleLiquidityProvisionColumns)
}
where := ""
if partyID != "" {
where = fmt.Sprintf("%s party_id=%s", where, nextBindVar(&bindVars, partyID))
}
if marketID != "" {
if len(where) > 0 {
where = where + " and "
}
where = fmt.Sprintf("%s market_id=%s", where, nextBindVar(&bindVars, marketID))
}
if reference != "" {
if len(where) > 0 {
where = where + " and "
}
where = fmt.Sprintf("%s reference=%s", where, nextBindVar(&bindVars, reference))
}
if len(where) > 0 {
where = fmt.Sprintf("where %s", where)
}
query := fmt.Sprintf(`%s %s`, selectSQL, where)
return query, bindVars
}