lnd.xprv/cmd/lncli/invoicesrpc_active.go
2019-02-06 07:29:38 +01:00

83 lines
1.6 KiB
Go

// +build invoicesrpc
package main
import (
"context"
"encoding/hex"
"fmt"
"github.com/lightningnetwork/lnd/lnrpc/invoicesrpc"
"github.com/urfave/cli"
)
// invoicesCommands will return nil for non-invoicesrpc builds.
func invoicesCommands() []cli.Command {
return []cli.Command{
cancelInvoiceCommand,
}
}
func getInvoicesClient(ctx *cli.Context) (invoicesrpc.InvoicesClient, func()) {
conn := getClientConn(ctx, false)
cleanUp := func() {
conn.Close()
}
return invoicesrpc.NewInvoicesClient(conn), cleanUp
}
var cancelInvoiceCommand = cli.Command{
Name: "cancelinvoice",
Category: "Payments",
Usage: "Cancels a (hold) invoice",
Description: `
Todo.`,
ArgsUsage: "paymenthash",
Flags: []cli.Flag{
cli.StringFlag{
Name: "paymenthash",
Usage: "the hex-encoded payment hash (32 byte) for which the " +
"corresponding invoice will be canceled.",
},
},
Action: actionDecorator(cancelInvoice),
}
func cancelInvoice(ctx *cli.Context) error {
var (
paymentHash []byte
err error
)
client, cleanUp := getInvoicesClient(ctx)
defer cleanUp()
args := ctx.Args()
switch {
case ctx.IsSet("paymenthash"):
paymentHash, err = hex.DecodeString(ctx.String("paymenthash"))
case args.Present():
paymentHash, err = hex.DecodeString(args.First())
}
if err != nil {
return fmt.Errorf("unable to parse preimage: %v", err)
}
invoice := &invoicesrpc.CancelInvoiceMsg{
PaymentHash: paymentHash,
}
resp, err := client.CancelInvoice(context.Background(), invoice)
if err != nil {
return err
}
printJSON(resp)
return nil
}