lnd.xprv/cmd/lncli/cmd_query_probability.go

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// +build routerrpc
package main
import (
"context"
"fmt"
"strconv"
"github.com/btcsuite/btcutil"
"github.com/lightningnetwork/lnd/lnrpc/routerrpc"
"github.com/lightningnetwork/lnd/lnwire"
"github.com/lightningnetwork/lnd/routing/route"
"github.com/urfave/cli"
)
var queryProbCommand = cli.Command{
Name: "queryprob",
Category: "Payments",
Usage: "Estimate a success probability.",
ArgsUsage: "from-node to-node amt",
Action: actionDecorator(queryProb),
}
func queryProb(ctx *cli.Context) error {
args := ctx.Args()
if len(args) != 3 {
return cli.ShowCommandHelp(ctx, "queryprob")
}
fromNode, err := route.NewVertexFromStr(args.Get(0))
if err != nil {
return fmt.Errorf("invalid from node key: %v", err)
}
toNode, err := route.NewVertexFromStr(args.Get(1))
if err != nil {
return fmt.Errorf("invalid to node key: %v", err)
}
amtSat, err := strconv.ParseUint(args.Get(2), 10, 64)
if err != nil {
return fmt.Errorf("invalid amt: %v", err)
}
amtMsat := lnwire.NewMSatFromSatoshis(
btcutil.Amount(amtSat),
)
conn := getClientConn(ctx, false)
defer conn.Close()
client := routerrpc.NewRouterClient(conn)
req := &routerrpc.QueryProbabilityRequest{
FromNode: fromNode[:],
ToNode: toNode[:],
AmtMsat: int64(amtMsat),
}
rpcCtx := context.Background()
response, err := client.QueryProbability(rpcCtx, req)
if err != nil {
return err
}
printJSON(response)
return nil
}