lnd.xprv/cmd/lncli/cmd_mc_cfg_set.go

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package main
import (
"context"
"github.com/lightningnetwork/lnd/lnrpc/routerrpc"
"github.com/urfave/cli"
)
var setCfgCommand = cli.Command{
Name: "setmccfg",
Usage: "Set mission control's config.",
Description: `
Update the config values being used by mission control to calculate
the probability that payment routes will succeed.
`,
Flags: []cli.Flag{
cli.DurationFlag{
Name: "halflife",
Usage: "the amount of time taken to restore a node " +
"or channel to 50% probability of success.",
},
cli.Float64Flag{
Name: "hopprob",
Usage: "the probability of success assigned " +
"to hops that we have no information about",
},
cli.Float64Flag{
Name: "weight",
Usage: "the degree to which mission control should " +
"rely on historical results, expressed as " +
"value in [0;1]",
}, cli.UintFlag{
Name: "pmtnr",
Usage: "the number of payments mission control " +
"should store",
},
cli.DurationFlag{
Name: "failrelax",
Usage: "the amount of time to wait after a failure " +
"before raising failure amount",
},
},
Action: actionDecorator(setCfg),
}
func setCfg(ctx *cli.Context) error {
conn := getClientConn(ctx, false)
defer conn.Close()
client := routerrpc.NewRouterClient(conn)
ctxb := context.Background()
resp, err := client.GetMissionControlConfig(
ctxb, &routerrpc.GetMissionControlConfigRequest{},
)
if err != nil {
return err
}
var haveValue bool
if ctx.IsSet("halflife") {
haveValue = true
resp.Config.HalfLifeSeconds = uint64(ctx.Duration(
"halflife",
).Seconds())
}
if ctx.IsSet("hopprob") {
haveValue = true
resp.Config.HopProbability = float32(ctx.Float64("hopprob"))
}
if ctx.IsSet("weight") {
haveValue = true
resp.Config.Weight = float32(ctx.Float64("weight"))
}
if ctx.IsSet("pmtnr") {
haveValue = true
resp.Config.MaximumPaymentResults = uint32(ctx.Int("pmtnr"))
}
if ctx.IsSet("failrelax") {
haveValue = true
resp.Config.MinimumFailureRelaxInterval = uint64(ctx.Duration(
"failrelax",
).Seconds())
}
if !haveValue {
return cli.ShowCommandHelp(ctx, "setmccfg")
}
_, err = client.SetMissionControlConfig(
ctxb, &routerrpc.SetMissionControlConfigRequest{
Config: resp.Config,
},
)
return err
}