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position_resolution_event.go
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/
position_resolution_event.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 events
import (
"context"
"fmt"
"code.vegaprotocol.io/vega/libs/num"
eventspb "code.vegaprotocol.io/vega/protos/vega/events/v1"
)
type PosRes struct {
*Base
distressed, closed int
marketID string
markPrice *num.Uint
}
func NewPositionResolution(ctx context.Context, distressed, closed int, markPrice *num.Uint, marketID string) *PosRes {
base := newBase(ctx, PositionResolution)
return &PosRes{
Base: base,
distressed: distressed,
closed: closed,
markPrice: markPrice,
marketID: marketID,
}
}
// MarketEvent implement the MarketEvent interface.
func (p PosRes) MarketEvent() string {
return fmt.Sprintf("Market %s entered position resolution, %d parties were distressed, %d of which were closed out at mark price %s", p.marketID, p.distressed, p.closed, p.markPrice.String())
}
func (p PosRes) MarketID() string {
return p.marketID
}
func (p PosRes) MarkPrice() *num.Uint {
return p.markPrice.Clone()
}
func (p PosRes) Distressed() int {
return p.distressed
}
func (p PosRes) Closed() int {
return p.closed
}
func (p PosRes) Proto() eventspb.PositionResolution {
return eventspb.PositionResolution{
MarketId: p.marketID,
Closed: int64(p.closed),
Distressed: int64(p.distressed),
MarkPrice: p.markPrice.String(),
}
}
func (p PosRes) MarketProto() eventspb.MarketEvent {
return eventspb.MarketEvent{
MarketId: p.marketID,
Payload: p.MarketEvent(),
}
}
func (p PosRes) StreamMessage() *eventspb.BusEvent {
pr := p.Proto()
busEvent := newBusEventFromBase(p.Base)
busEvent.Event = &eventspb.BusEvent_PositionResolution{
PositionResolution: &pr,
}
return busEvent
}
func (p PosRes) StreamMarketMessage() *eventspb.BusEvent {
msg := p.MarketProto()
busEvent := newBusEventFromBase(p.Base)
busEvent.Type = eventspb.BusEventType_BUS_EVENT_TYPE_MARKET
busEvent.Event = &eventspb.BusEvent_Market{
Market: &msg,
}
return busEvent
}
func PositionResolutionEventFromStream(ctx context.Context, be *eventspb.BusEvent) *PosRes {
base := newBaseFromBusEvent(ctx, PositionResolution, be)
mp, _ := num.UintFromString(be.GetPositionResolution().GetMarkPrice(), 10)
return &PosRes{
Base: base,
distressed: int(be.GetPositionResolution().Distressed),
closed: int(be.GetPositionResolution().Closed),
markPrice: mp,
marketID: be.GetPositionResolution().MarketId,
}
}