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app.go
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app.go
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// App for testing quotes drivers.
// Set your driver here or as a console argument: `go run . index`
package main
import (
"encoding/json"
"log/slog"
"net/http"
_ "net/http/pprof"
"os"
"github.com/ipfs/go-log/v2"
"github.com/layer-3/clearsync/pkg/quotes"
)
// Usage example: `go run . binance syncswap`
func main() {
go func() {
// Start pprof server
if err := http.ListenAndServe("localhost:8080", nil); err != nil {
panic(err)
}
}()
if err := log.SetLogLevel("*", "info"); err != nil {
panic(err)
}
var drivers []quotes.DriverType
if len(os.Args) >= 2 {
drivers = make([]quotes.DriverType, 0, len(os.Args[1:]))
for _, arg := range os.Args[1:] {
parsedDriver, err := quotes.ToDriverType(arg)
if err != nil {
panic(err)
}
drivers = append(drivers, parsedDriver)
}
}
config, err := quotes.NewConfigFromEnv()
if err != nil {
panic(err)
}
if len(drivers) > 0 {
// Override default values only if drivers are provided
config.Drivers = drivers
}
outbox := make(chan quotes.TradeEvent, 128)
outboxStop := make(chan struct{}, 1)
go func() {
// You may add a lot of markets to subscribe
// and considering imposed rate limits
// it may take a while to get the first trade
// if you run outbox processing AFTER subscriptions.
// That's why we start processing in an async manner beforehand.
for e := range outbox {
slog.Info("new trade",
"source", e.Source,
"market", e.Market,
"side", e.TakerType.String(),
"price", e.Price.String(),
"amount", e.Amount.String())
}
outboxStop <- struct{}{}
}()
driver, err := quotes.NewDriver(config, outbox)
if err != nil {
panic(err)
}
jsonConfig, err := json.Marshal(config)
if err != nil {
panic(err)
}
slog.Info("starting", "config", jsonConfig)
if err := driver.Start(); err != nil {
panic(err)
}
markets := []quotes.Market{
// Add your markets here
quotes.NewMarket("eth", "usd"),
quotes.NewMarket("btc", "usd"),
quotes.NewMarket("lube", "usdc"),
quotes.NewMarket("linda", "usdc"),
}
// atLeastOne := false
for _, market := range markets {
if err = driver.Subscribe(market); err != nil {
slog.Warn("failed to subscribe", "market", market, "err", err)
continue
}
// atLeastOne = true
slog.Info("subscribed", "market", market.String())
}
// if !atLeastOne {
// panic("failed to subscribe to at least one market")
// }
slog.Info("waiting for trades")
<-outboxStop
}