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positions.go
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positions.go
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// Copyright (C) 2023 Gobalsky Labs Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package sqlstore
import (
"context"
"fmt"
"strings"
"code.vegaprotocol.io/vega/datanode/entities"
"code.vegaprotocol.io/vega/datanode/metrics"
v2 "code.vegaprotocol.io/vega/protos/data-node/api/v2"
"github.com/georgysavva/scany/pgxscan"
)
var positionsOrdering = TableOrdering{
ColumnOrdering{Name: "vega_time", Sorting: ASC},
ColumnOrdering{Name: "party_id", Sorting: ASC},
ColumnOrdering{Name: "market_id", Sorting: ASC},
}
type Positions struct {
*ConnectionSource
batcher MapBatcher[entities.PositionKey, entities.Position]
}
func NewPositions(connectionSource *ConnectionSource) *Positions {
a := &Positions{
ConnectionSource: connectionSource,
batcher: NewMapBatcher[entities.PositionKey, entities.Position](
"positions",
entities.PositionColumns),
}
return a
}
func (ps *Positions) Flush(ctx context.Context) ([]entities.Position, error) {
defer metrics.StartSQLQuery("Positions", "Flush")()
return ps.batcher.Flush(ctx, ps.Connection)
}
func (ps *Positions) Add(ctx context.Context, p entities.Position) error {
ps.batcher.Add(p)
return nil
}
func (ps *Positions) GetByMarketAndParty(ctx context.Context,
marketIDRaw string,
partyIDRaw string,
) (entities.Position, error) {
var (
position = entities.Position{}
marketID = entities.MarketID(marketIDRaw)
partyID = entities.PartyID(partyIDRaw)
)
defer metrics.StartSQLQuery("Positions", "GetByMarketAndParty")()
return position, ps.wrapE(pgxscan.Get(ctx, ps.Connection, &position,
`SELECT * FROM positions_current WHERE market_id=$1 AND party_id=$2`,
marketID, partyID))
}
func (ps *Positions) GetByMarketAndParties(ctx context.Context, marketIDRaw string, partyIDsRaw []string) ([]entities.Position, error) {
marketID := entities.MarketID(marketIDRaw)
partyIDs := make([]interface{}, 0, len(partyIDsRaw))
in := make([]string, 0, len(partyIDsRaw))
bindNum := 2
for _, p := range partyIDsRaw {
partyIDs = append(partyIDs, entities.PartyID(p))
in = append(in, fmt.Sprintf("$%d", bindNum))
bindNum++
}
bind := make([]interface{}, 0, len(in)+1)
// set all bind vars
bind = append(bind, marketID)
bind = append(bind, partyIDs...)
positions := []entities.Position{}
// build the query
q := fmt.Sprintf(`SELECT * FROM positions_current WHERE market_id = $1 AND party_id IN (%s)`, strings.Join(in, ", "))
err := pgxscan.Select(ctx, ps.Connection, &positions, q, bind...)
return positions, err
}
func (ps *Positions) GetByMarket(ctx context.Context, marketID string) ([]entities.Position, error) {
defer metrics.StartSQLQuery("Positions", "GetByMarket")()
positions := []entities.Position{}
err := pgxscan.Select(ctx, ps.Connection, &positions,
`SELECT * FROM positions_current WHERE market_id=$1`,
entities.MarketID(marketID))
return positions, err
}
func (ps *Positions) GetByParty(ctx context.Context, partyID string) ([]entities.Position, error) {
defer metrics.StartSQLQuery("Positions", "GetByParty")()
positions := []entities.Position{}
err := pgxscan.Select(ctx, ps.Connection, &positions,
`SELECT * FROM positions_current WHERE party_id=$1`,
entities.PartyID(partyID))
return positions, err
}
func stringToPartyID(s ...string) [][]byte {
partyIDs := make([][]byte, 0, len(s))
for _, v := range s {
if v == "" {
continue
}
id := entities.PartyID(v)
bs, err := id.Bytes()
if err != nil {
continue
}
partyIDs = append(partyIDs, bs)
}
return partyIDs
}
func stringToMarketID(s ...string) [][]byte {
marketIDs := make([][]byte, 0, len(s))
for _, v := range s {
if v == "" {
continue
}
id := entities.MarketID(v)
bs, err := id.Bytes()
if err != nil {
continue
}
marketIDs = append(marketIDs, bs)
}
return marketIDs
}
func (ps *Positions) GetByPartyConnection(ctx context.Context, partyIDRaw []string, marketIDRaw []string, pagination entities.CursorPagination) ([]entities.Position, entities.PageInfo, error) {
var (
args []interface{}
pageInfo entities.PageInfo
query = `select * from positions_current`
where string
partyID = stringToPartyID(partyIDRaw...)
marketID = stringToMarketID(marketIDRaw...)
err error
)
if len(partyID) > 0 && len(marketID) == 0 {
where = fmt.Sprintf(" where party_id = ANY(%s::bytea[])", nextBindVar(&args, partyID))
} else if len(partyID) > 0 && len(marketID) > 0 {
where = fmt.Sprintf(" where party_id = ANY(%s::bytea[]) and market_id = ANY(%s::bytea[])", nextBindVar(&args, partyID), nextBindVar(&args, marketID))
} else if len(partyID) == 0 && len(marketID) > 0 {
where = fmt.Sprintf(" where market_id = ANY(%s::bytea[])", nextBindVar(&args, marketID))
}
if where != "" {
query = fmt.Sprintf("%s %s", query, where)
}
query, args, err = PaginateQuery[entities.PositionCursor](query, args, positionsOrdering, pagination)
if err != nil {
return nil, pageInfo, err
}
var positions []entities.Position
if err = pgxscan.Select(ctx, ps.Connection, &positions, query, args...); err != nil {
return nil, pageInfo, err
}
positions, pageInfo = entities.PageEntities[*v2.PositionEdge](positions, pagination)
return positions, pageInfo, nil
}
func (ps *Positions) GetByTxHash(ctx context.Context, txHash entities.TxHash) ([]entities.Position, error) {
defer metrics.StartSQLQuery("Positions", "GetByTxHash")()
positions := []entities.Position{}
err := pgxscan.Select(ctx, ps.Connection, &positions, `SELECT * FROM positions WHERE tx_hash=$1`, txHash)
return positions, err
}
func (ps *Positions) GetAll(ctx context.Context) ([]entities.Position, error) {
defer metrics.StartSQLQuery("Positions", "GetAll")()
positions := []entities.Position{}
err := pgxscan.Select(ctx, ps.Connection, &positions,
`SELECT * FROM positions_current`)
return positions, err
}