code.vegaprotocol.io/vega@v0.79.0/core/events/trade.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 events
    17  
    18  import (
    19  	"context"
    20  
    21  	"code.vegaprotocol.io/vega/core/types"
    22  	ptypes "code.vegaprotocol.io/vega/protos/vega"
    23  	eventspb "code.vegaprotocol.io/vega/protos/vega/events/v1"
    24  )
    25  
    26  type Trade struct {
    27  	*Base
    28  	t ptypes.Trade
    29  }
    30  
    31  func NewTradeEvent(ctx context.Context, t types.Trade) *Trade {
    32  	p := t.IntoProto()
    33  	p.Price = t.MarketPrice.String()
    34  	p.AssetPrice = t.Price.String()
    35  	return &Trade{
    36  		Base: newBase(ctx, TradeEvent),
    37  		t:    *p,
    38  	}
    39  }
    40  
    41  func (t Trade) MarketID() string {
    42  	return t.t.MarketId
    43  }
    44  
    45  func (t Trade) IsParty(id string) bool {
    46  	return t.t.Buyer == id || t.t.Seller == id
    47  }
    48  
    49  func (t *Trade) Trade() ptypes.Trade {
    50  	return t.t
    51  }
    52  
    53  func (t Trade) Proto() ptypes.Trade {
    54  	return t.t
    55  }
    56  
    57  func (t Trade) StreamMessage() *eventspb.BusEvent {
    58  	busEvent := newBusEventFromBase(t.Base)
    59  	busEvent.Event = &eventspb.BusEvent_Trade{
    60  		Trade: &t.t,
    61  	}
    62  
    63  	return busEvent
    64  }
    65  
    66  func TradeEventFromStream(ctx context.Context, be *eventspb.BusEvent) *Trade {
    67  	return &Trade{
    68  		Base: newBaseFromBusEvent(ctx, TradeEvent, be),
    69  		t:    *be.GetTrade(),
    70  	}
    71  }