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executor.go
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executor.go
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package matcher
import (
"context"
"encoding/json"
"log"
"strings"
"github.com/coreos/etcd/clientv3"
"github.com/rudeigerc/broker-gateway/mapper"
"github.com/rudeigerc/broker-gateway/model"
"github.com/rudeigerc/broker-gateway/service"
"github.com/satori/go.uuid"
"github.com/shopspring/decimal"
"github.com/spf13/viper"
)
type Executor struct {
EtcdClient *clientv3.Client
}
func NewExecutor() *Executor {
return &Executor{
EtcdClient: mapper.NewEtcdClient(),
}
}
func (e *Executor) NewTrade(initiator *model.Order, completion *model.Order, price decimal.Decimal, quantity decimal.Decimal) error {
trade := &model.Trade{
TradeID: uuid.NewV1(),
Quantity: quantity,
Price: price,
FuturesID: initiator.FuturesID,
InitiatorID: initiator.FirmID,
InitiatorSide: initiator.Side,
InitiatorName: initiator.TraderName,
InitiatorCommission: decimal.Zero,
InitiatorOrderID: initiator.OrderID,
CompletionID: completion.FirmID,
CompletionSide: completion.Side,
CompletionName: completion.TraderName,
CompletionCommission: decimal.Zero,
CompletionOrderID: completion.OrderID,
}
service.Trade{}.NewTrade(trade)
marshaled, err := json.Marshal(trade)
if err != nil {
log.Printf("[matcher.executor.NewTrade] [ERROR] %s", err)
}
key := strings.Replace(viper.GetString("etcd.keys.trade"), "futures_id", trade.FuturesID, -1)
e.EtcdClient.Put(context.Background(), key, string(marshaled))
service.Order{}.SaveOrder(initiator)
service.Order{}.SaveOrder(completion)
return nil
}