func main() {
info := gofighter.TradingInfo{
Account: ACCOUNT,
Venue: VENUE,
Symbol: SYMBOL,
ApiKey: KEY,
BaseURL: BASE_URL,
WebSocketURL: WS_URL,
}
// The market and position will be watched by 2 goroutines. In order to get info
// back from them, we create 2 channels that we can use to request the current
// state from them. We request the state by sending... a channel, of course.
market_queries := make(chan chan gofighter.Market)
go gofighter.MarketWatch(info, market_queries)
position_queries := make(chan chan gofighter.Position)
go gofighter.PositionWatch(info, position_queries)
for {
market := gofighter.GetMarket(market_queries) // Behind the scenes, this sends a channel
// and gets the response through it.
// The .Last member of the quote gets set to -1 if not present in the JSON from the server,
// which usually means there is no activity yet...
if market.Quote.Last == -1 {
fmt.Printf("Waiting for market action to start...\n")
time.Sleep(1 * time.Second)
continue
}
pos := gofighter.GetPosition(position_queries) // This works like .GetMarket() above, but for position
pos.Print(market.Quote.Last) // The argument here is the price to use when calculating NAV
var order gofighter.ShortOrder
order.OrderType = "limit"
order.Qty = 50 + rand.Intn(50)
// Buy if short. Sell if long. If neither, flip a coin...
if pos.Shares > 0 || (pos.Shares == 0 && rand.Intn(2) == 0) {
order.Direction = "sell"
order.Price = market.Quote.Last + 50
} else {
order.Direction = "buy"
order.Price = market.Quote.Last - 50
}
if order.Price < 0 {
order.Price = 0
}
go order_and_cancel(info, order)
time.Sleep(500 * time.Millisecond)
}
}
func main() {
// The following assumes game_start.exe has already been called, and thus that
// there exists a file in the /gm/ directory which contains info about the level.
info := gofighter.GetUserSelection("known_levels.json")
position_queries := make(chan chan gofighter.Position)
go gofighter.PositionWatch(info, position_queries)
// How this works: the goroutine PositionWatch uses a WebSocket to keep track of
// the position, and when we send a channel to it via its input channel, it sends
// a copy of the position back to us along the channel we provided.
for {
position := gofighter.GetPosition(position_queries) // Behind the scenes, this sends a
// one-time channel to the goroutine
fmt.Printf(time.Now().Format("2006-01-02 15:04:05 ... "))
fmt.Printf("Shares: %d, Dollars: $%d\n", position.Shares, position.Cents/100)
time.Sleep(2 * time.Second)
}
}