mirror of https://github.com/lightninglabs/loop
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
358 lines
8.6 KiB
Go
358 lines
8.6 KiB
Go
package main
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"strconv"
|
|
|
|
"github.com/lightninglabs/loop/liquidity"
|
|
"github.com/lightninglabs/loop/looprpc"
|
|
"github.com/urfave/cli"
|
|
)
|
|
|
|
var getLiquidityParamsCommand = cli.Command{
|
|
Name: "getparams",
|
|
Usage: "show liquidity manager parameters",
|
|
Description: "Displays the current set of parameters that are set " +
|
|
"for the liquidity manager.",
|
|
Action: getParams,
|
|
}
|
|
|
|
func getParams(ctx *cli.Context) error {
|
|
client, cleanup, err := getClient(ctx)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer cleanup()
|
|
|
|
cfg, err := client.GetLiquidityParams(
|
|
context.Background(), &looprpc.GetLiquidityParamsRequest{},
|
|
)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
printRespJSON(cfg)
|
|
|
|
return nil
|
|
}
|
|
|
|
var setLiquidityRuleCommand = cli.Command{
|
|
Name: "setrule",
|
|
Usage: "set liquidity manager rule for a channel",
|
|
Description: "Update or remove the liquidity rule for a channel.",
|
|
ArgsUsage: "shortchanid",
|
|
Flags: []cli.Flag{
|
|
cli.IntFlag{
|
|
Name: "incoming_threshold",
|
|
Usage: "the minimum percentage of incoming liquidity " +
|
|
"to total capacity beneath which to " +
|
|
"recommend loop out to acquire incoming.",
|
|
},
|
|
cli.IntFlag{
|
|
Name: "outgoing_threshold",
|
|
Usage: "the minimum percentage of outbound liquidity " +
|
|
"that we do not want to drop below.",
|
|
},
|
|
cli.BoolFlag{
|
|
Name: "clear",
|
|
Usage: "remove the rule currently set for the channel.",
|
|
},
|
|
},
|
|
Action: setRule,
|
|
}
|
|
|
|
func setRule(ctx *cli.Context) error {
|
|
// We require that a channel ID is set for this rule update.
|
|
if ctx.NArg() != 1 {
|
|
return fmt.Errorf("please set a channel id for the rule " +
|
|
"update")
|
|
}
|
|
|
|
chanID, err := strconv.ParseUint(ctx.Args().First(), 10, 64)
|
|
if err != nil {
|
|
return fmt.Errorf("could not parse channel ID: %v", err)
|
|
}
|
|
|
|
client, cleanup, err := getClient(ctx)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer cleanup()
|
|
|
|
// We need to set the full set of current parameters every time we call
|
|
// SetParameters. To allow users to set only individual fields on the
|
|
// cli, we lookup our current params, then update individual values.
|
|
params, err := client.GetLiquidityParams(
|
|
context.Background(), &looprpc.GetLiquidityParamsRequest{},
|
|
)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
var (
|
|
inboundSet = ctx.IsSet("incoming_threshold")
|
|
outboundSet = ctx.IsSet("outgoing_threshold")
|
|
ruleSet bool
|
|
otherRules []*looprpc.LiquidityRule
|
|
)
|
|
|
|
// Run through our current set of rules and check whether we have a rule
|
|
// currently set for this channel. We also track a slice containing all
|
|
// of the rules we currently have set for other channels, because we
|
|
// want to leave these rules untouched.
|
|
for _, rule := range params.Rules {
|
|
if rule.ChannelId == chanID {
|
|
ruleSet = true
|
|
} else {
|
|
otherRules = append(otherRules, rule)
|
|
}
|
|
}
|
|
|
|
// If we want to clear the rule for this channel, check that we had a
|
|
// rule set in the first place, and set our parameters to the current
|
|
// set excluding the channel specified.
|
|
if ctx.IsSet("clear") {
|
|
if !ruleSet {
|
|
return fmt.Errorf("cannot clear channel: %v, no rule "+
|
|
"set at present", chanID)
|
|
}
|
|
|
|
if inboundSet || outboundSet {
|
|
return fmt.Errorf("do not set other flags with clear " +
|
|
"flag")
|
|
}
|
|
|
|
params.Rules = otherRules
|
|
_, err = client.SetLiquidityParams(
|
|
context.Background(),
|
|
&looprpc.SetLiquidityParamsRequest{
|
|
Parameters: params,
|
|
},
|
|
)
|
|
return err
|
|
}
|
|
|
|
// If we are setting a rule for this channel (not clearing it), check
|
|
// that at least one value is set.
|
|
if !inboundSet && !outboundSet {
|
|
return fmt.Errorf("provide at least one flag to set rules or " +
|
|
"use the --clear flag to remove rules")
|
|
}
|
|
|
|
// Create a new rule which will be used to overwrite our current rule.
|
|
newRule := &looprpc.LiquidityRule{
|
|
ChannelId: chanID,
|
|
Type: looprpc.LiquidityRuleType_THRESHOLD,
|
|
}
|
|
|
|
if inboundSet {
|
|
newRule.IncomingThreshold = uint32(
|
|
ctx.Int("incoming_threshold"),
|
|
)
|
|
}
|
|
|
|
if outboundSet {
|
|
newRule.OutgoingThreshold = uint32(
|
|
ctx.Int("outgoing_threshold"),
|
|
)
|
|
}
|
|
|
|
// Just set the rules on our current set of parameters and leave the
|
|
// other values untouched.
|
|
otherRules = append(otherRules, newRule)
|
|
params.Rules = otherRules
|
|
|
|
// Update our parameters to the existing set, plus our new rule.
|
|
_, err = client.SetLiquidityParams(
|
|
context.Background(),
|
|
&looprpc.SetLiquidityParamsRequest{
|
|
Parameters: params,
|
|
},
|
|
)
|
|
|
|
return err
|
|
}
|
|
|
|
var setParamsCommand = cli.Command{
|
|
Name: "setparams",
|
|
Usage: "update the parameters set for the liquidity manager",
|
|
Description: "Updates the parameters set for the liquidity manager.",
|
|
Flags: []cli.Flag{
|
|
cli.IntFlag{
|
|
Name: "sweeplimit",
|
|
Usage: "the limit placed on our estimated sweep fee " +
|
|
"in sat/vByte.",
|
|
},
|
|
cli.Float64Flag{
|
|
Name: "maxswapfee",
|
|
Usage: "the maximum percentage of swap volume we are " +
|
|
"willing to pay in server fees.",
|
|
},
|
|
cli.Float64Flag{
|
|
Name: "maxroutingfee",
|
|
Usage: "the maximum percentage of off-chain payment " +
|
|
"volume that are are willing to pay in " +
|
|
"routing fees.",
|
|
},
|
|
cli.Float64Flag{
|
|
Name: "maxprepayfee",
|
|
Usage: "the maximum percentage of off-chain prepay " +
|
|
"volume that are are willing to pay in " +
|
|
"routing fees.",
|
|
},
|
|
cli.Uint64Flag{
|
|
Name: "maxprepay",
|
|
Usage: "the maximum no-show (prepay) in satoshis that " +
|
|
"swap suggestions should be limited to.",
|
|
},
|
|
cli.Uint64Flag{
|
|
Name: "maxminer",
|
|
Usage: "the maximum miner fee in satoshis that swap " +
|
|
"suggestions should be limited to.",
|
|
},
|
|
cli.IntFlag{
|
|
Name: "sweepconf",
|
|
Usage: "the number of blocks from htlc height that " +
|
|
"swap suggestion sweeps should target, used " +
|
|
"to estimate max miner fee.",
|
|
},
|
|
cli.Uint64Flag{
|
|
Name: "failurebackoff",
|
|
Usage: "the amount of time, in seconds, that " +
|
|
"should pass before a channel that " +
|
|
"previously had a failed swap will be " +
|
|
"included in suggestions.",
|
|
},
|
|
},
|
|
Action: setParams,
|
|
}
|
|
|
|
func setParams(ctx *cli.Context) error {
|
|
client, cleanup, err := getClient(ctx)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer cleanup()
|
|
|
|
// We need to set the full set of current parameters every time we call
|
|
// SetParameters. To allow users to set only individual fields on the
|
|
// cli, we lookup our current params, then update individual values.
|
|
params, err := client.GetLiquidityParams(
|
|
context.Background(), &looprpc.GetLiquidityParamsRequest{},
|
|
)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
var flagSet bool
|
|
|
|
if ctx.IsSet("maxswapfee") {
|
|
feeRate := ctx.Float64("maxswapfee")
|
|
params.MaxSwapFeePpm, err = ppmFromPercentage(feeRate)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
flagSet = true
|
|
}
|
|
|
|
if ctx.IsSet("sweeplimit") {
|
|
satPerVByte := ctx.Int("sweeplimit")
|
|
params.SweepFeeRateSatPerVbyte = uint64(satPerVByte)
|
|
|
|
flagSet = true
|
|
}
|
|
|
|
if ctx.IsSet("maxroutingfee") {
|
|
feeRate := ctx.Float64("maxroutingfee")
|
|
params.MaxRoutingFeePpm, err = ppmFromPercentage(feeRate)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
flagSet = true
|
|
}
|
|
|
|
if ctx.IsSet("maxprepayfee") {
|
|
feeRate := ctx.Float64("maxprepayfee")
|
|
params.MaxPrepayRoutingFeePpm, err = ppmFromPercentage(feeRate)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
flagSet = true
|
|
}
|
|
|
|
if ctx.IsSet("maxprepay") {
|
|
params.MaxPrepaySat = ctx.Uint64("maxprepay")
|
|
flagSet = true
|
|
}
|
|
|
|
if ctx.IsSet("maxminer") {
|
|
params.MaxMinerFeeSat = ctx.Uint64("maxminer")
|
|
flagSet = true
|
|
}
|
|
|
|
if ctx.IsSet("sweepconf") {
|
|
params.SweepConfTarget = int32(ctx.Int("sweepconf"))
|
|
flagSet = true
|
|
}
|
|
|
|
if ctx.IsSet("failurebackoff") {
|
|
params.FailureBackoffSec = ctx.Uint64("failurebackoff")
|
|
flagSet = true
|
|
}
|
|
|
|
if !flagSet {
|
|
return fmt.Errorf("at least one flag required to set params")
|
|
}
|
|
|
|
// Update our parameters to our mutated values.
|
|
_, err = client.SetLiquidityParams(
|
|
context.Background(), &looprpc.SetLiquidityParamsRequest{
|
|
Parameters: params,
|
|
},
|
|
)
|
|
|
|
return err
|
|
}
|
|
|
|
// ppmFromPercentage converts a percentage, expressed as a float, to parts
|
|
// per million.
|
|
func ppmFromPercentage(percentage float64) (uint64, error) {
|
|
if percentage <= 0 || percentage >= 100 {
|
|
return 0, fmt.Errorf("fee percentage must be in (0;100)")
|
|
}
|
|
|
|
return uint64(percentage / 100 * liquidity.FeeBase), nil
|
|
}
|
|
|
|
var suggestSwapCommand = cli.Command{
|
|
Name: "suggestswaps",
|
|
Usage: "show a list of suggested swaps",
|
|
Description: "Displays a list of suggested swaps that aim to obtain " +
|
|
"the liquidity balance as specified by the rules set in " +
|
|
"the liquidity manager.",
|
|
Action: suggestSwap,
|
|
}
|
|
|
|
func suggestSwap(ctx *cli.Context) error {
|
|
client, cleanup, err := getClient(ctx)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer cleanup()
|
|
|
|
resp, err := client.SuggestSwaps(
|
|
context.Background(), &looprpc.SuggestSwapsRequest{},
|
|
)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
printJSON(resp)
|
|
|
|
return nil
|
|
}
|