0g-chain/helper/da/main.go

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2024-04-24 07:10:22 +00:00
package main
import (
"context"
"flag"
"fmt"
"io"
"log"
"net/url"
"os"
"os/signal"
"time"
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"github.com/0glabs/0g-chain/helper/da/service"
"github.com/0glabs/0g-chain/helper/da/types"
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"github.com/lesismal/nbio/nbhttp"
"github.com/lesismal/nbio/nbhttp/websocket"
)
const (
subscribeMsg = "{\"jsonrpc\":\"2.0\",\"method\":\"subscribe\",\"id\":1,\"params\":{\"query\":\"tm.event='Tx'\"}}"
)
var (
rpcAddress = flag.String("rpc-address", "34.214.2.28:32001", "address of da-light rpc server")
wsAddress = flag.String("ws-address", "127.0.0.1:26657", "address of emvos ws server")
relativePath = flag.String("relative-path", "", "relative path of evmosd")
account = flag.String("account", "", "account to run evmosd cli")
keyring = flag.String("keyring", "", "keyring to run evmosd cli")
homePath = flag.String("home", "", "home path of evmosd node")
)
func newUpgrader() *websocket.Upgrader {
u := websocket.NewUpgrader()
u.OnMessage(func(c *websocket.Conn, messageType websocket.MessageType, data []byte) {
log.Println("onEcho:", string(data))
ctx := context.WithValue(context.Background(), types.DA_RPC_ADDRESS, *rpcAddress)
ctx = context.WithValue(ctx, types.NODE_CLI_RELATIVE_PATH, *relativePath)
ctx = context.WithValue(ctx, types.NODE_CLI_EXEC_ACCOUNT, *account)
ctx = context.WithValue(ctx, types.NODE_CLI_EXEC_KEYRING, *keyring)
ctx = context.WithValue(ctx, types.NODE_HOME_PATH, *homePath)
go func() { service.OnMessage(ctx, c, messageType, data) }()
})
u.OnClose(func(c *websocket.Conn, err error) {
fmt.Println("OnClose:", c.RemoteAddr().String(), err)
service.OnClose()
})
return u
}
func main() {
flag.Parse()
engine := nbhttp.NewEngine(nbhttp.Config{})
err := engine.Start()
if err != nil {
fmt.Printf("nbio.Start failed: %v\n", err)
return
}
go func() {
u := url.URL{Scheme: "ws", Host: *wsAddress, Path: "/websocket"}
dialer := &websocket.Dialer{
Engine: engine,
Upgrader: newUpgrader(),
DialTimeout: time.Second * 3,
}
c, res, err := dialer.Dial(u.String(), nil)
if err != nil {
if res != nil && res.Body != nil {
bReason, _ := io.ReadAll(res.Body)
fmt.Printf("dial failed: %v, reason: %v\n", err, string(bReason))
} else {
fmt.Printf("dial failed: %v\n", err)
}
return
}
c.WriteMessage(websocket.TextMessage, []byte(subscribeMsg))
}()
interrupt := make(chan os.Signal, 1)
signal.Notify(interrupt, os.Interrupt)
<-interrupt
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
engine.Shutdown(ctx)
}