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cmd_custom.go
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/
cmd_custom.go
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package main
import (
"encoding/hex"
"fmt"
"github.com/brsuite/lnd/lnrpc"
"github.com/urfave/cli"
)
var sendCustomCommand = cli.Command{
Name: "sendcustom",
Flags: []cli.Flag{
cli.StringFlag{
Name: "peer",
},
cli.Uint64Flag{
Name: "type",
},
cli.StringFlag{
Name: "data",
},
},
Action: actionDecorator(sendCustom),
}
func sendCustom(ctx *cli.Context) error {
ctxc := getContext()
client, cleanUp := getClient(ctx)
defer cleanUp()
peer, err := hex.DecodeString(ctx.String("peer"))
if err != nil {
return err
}
msgType := ctx.Uint64("type")
data, err := hex.DecodeString(ctx.String("data"))
if err != nil {
return err
}
_, err = client.SendCustomMessage(
ctxc,
&lnrpc.SendCustomMessageRequest{
Peer: peer,
Type: uint32(msgType),
Data: data,
},
)
return err
}
var subscribeCustomCommand = cli.Command{
Name: "subscribecustom",
Action: actionDecorator(subscribeCustom),
}
func subscribeCustom(ctx *cli.Context) error {
ctxc := getContext()
client, cleanUp := getClient(ctx)
defer cleanUp()
stream, err := client.SubscribeCustomMessages(
ctxc,
&lnrpc.SubscribeCustomMessagesRequest{},
)
if err != nil {
return err
}
for {
msg, err := stream.Recv()
if err != nil {
return err
}
fmt.Printf("Received from peer %x: type=%d, data=%x\n",
msg.Peer, msg.Type, msg.Data)
}
}