lnd wip invoice watcher
parent
ea20251d07
commit
23abc0b369
@ -0,0 +1,77 @@
|
|||||||
|
package lndrpc
|
||||||
|
|
||||||
|
import (
|
||||||
|
"io"
|
||||||
|
"log"
|
||||||
|
|
||||||
|
"git.sp4ke.com/sp4ke/bit4sat/db"
|
||||||
|
lnrpc "github.com/lightningnetwork/lnd/lnrpc"
|
||||||
|
"github.com/mediocregopher/radix/v3"
|
||||||
|
"golang.org/x/net/context"
|
||||||
|
)
|
||||||
|
|
||||||
|
const (
|
||||||
|
LastSettledInvoiceIndexKey = "last_invoice_settled_index_cursor"
|
||||||
|
)
|
||||||
|
|
||||||
|
// Last watched invoice
|
||||||
|
func getLastSettledInvoiceIndex() uint64 {
|
||||||
|
var cursor uint64
|
||||||
|
|
||||||
|
err := db.DB.Redis.Do(radix.FlatCmd(&cursor, "GET", LastSettledInvoiceIndexKey))
|
||||||
|
if err != nil {
|
||||||
|
log.Fatal(err)
|
||||||
|
}
|
||||||
|
|
||||||
|
return cursor
|
||||||
|
}
|
||||||
|
|
||||||
|
func setLastSettledInvoiceIndex(index uint64) {
|
||||||
|
err := db.DB.Redis.Do(radix.FlatCmd(nil, "SET", LastSettledInvoiceIndexKey, index))
|
||||||
|
if err != nil {
|
||||||
|
log.Fatal(err)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Runs in a goroutine and keep swatching invoices
|
||||||
|
func WatchInvoice(settleIndex uint64) {
|
||||||
|
|
||||||
|
// Get the last invoice index cursor
|
||||||
|
cursor := getLastSettledInvoiceIndex()
|
||||||
|
log.Println(cursor)
|
||||||
|
|
||||||
|
ctxb := context.Background()
|
||||||
|
client, cleanUp := getClient()
|
||||||
|
defer cleanUp()
|
||||||
|
|
||||||
|
subscription := &lnrpc.InvoiceSubscription{}
|
||||||
|
|
||||||
|
invoiceStream, err := client.SubscribeInvoices(ctxb, subscription)
|
||||||
|
if err != nil {
|
||||||
|
//return nil, err
|
||||||
|
}
|
||||||
|
|
||||||
|
for {
|
||||||
|
invoice, err := invoiceStream.Recv()
|
||||||
|
if err == io.EOF {
|
||||||
|
break
|
||||||
|
}
|
||||||
|
|
||||||
|
if err != nil {
|
||||||
|
log.Printf("error invoice stream %s", err)
|
||||||
|
break
|
||||||
|
}
|
||||||
|
|
||||||
|
log.Printf("Received invoice \n%s\n", invoice)
|
||||||
|
|
||||||
|
// We are only interested in settled invoices
|
||||||
|
if !invoice.Settled {
|
||||||
|
continue
|
||||||
|
}
|
||||||
|
|
||||||
|
// Invoice was settled we need to save it and also notify the pubsub channel
|
||||||
|
// Save last settled index
|
||||||
|
setLastSettledInvoiceIndex(invoice.SettleIndex)
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
@ -1,14 +1,14 @@
|
|||||||
package main
|
package main
|
||||||
|
|
||||||
import (
|
import "git.sp4ke.com/sp4ke/bit4sat/lndrpc"
|
||||||
"git.sp4ke.com/sp4ke/bit4sat/api"
|
|
||||||
"git.sp4ke.com/sp4ke/bit4sat/db"
|
|
||||||
)
|
|
||||||
|
|
||||||
func main() {
|
func main() {
|
||||||
|
|
||||||
defer db.DB.Sql.Close()
|
go lndrpc.WatchInvoice(0)
|
||||||
|
<-make(chan bool)
|
||||||
|
|
||||||
api := api.NewAPI()
|
//defer db.DB.Sql.Close()
|
||||||
api.Run()
|
|
||||||
|
//api := api.NewAPI()
|
||||||
|
//api.Run()
|
||||||
}
|
}
|
||||||
|
Loading…
Reference in New Issue