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239 lines
5.3 KiB
Go
239 lines
5.3 KiB
Go
package main
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import (
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"context"
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"encoding/hex"
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"fmt"
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"strconv"
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"strings"
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"github.com/lightninglabs/loop/looprpc"
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"github.com/lightningnetwork/lnd/lntypes"
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"github.com/lightningnetwork/lnd/routing/route"
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"github.com/urfave/cli"
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)
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var listSwapsCommand = cli.Command{
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Name: "listswaps",
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Usage: "list all swaps in the local database",
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Description: "Allows the user to get a list of all swaps that are " +
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"currently stored in the database",
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Action: listSwaps,
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Flags: []cli.Flag{
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cli.BoolFlag{
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Name: "loop_out_only",
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Usage: "only list swaps that are loop out swaps",
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},
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cli.BoolFlag{
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Name: "loop_in_only",
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Usage: "only list swaps that are loop in swaps",
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},
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cli.BoolFlag{
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Name: "pending_only",
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Usage: "only list pending swaps",
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},
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labelFlag,
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channelFlag,
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lastHopFlag,
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},
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}
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func listSwaps(ctx *cli.Context) error {
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client, cleanup, err := getClient(ctx)
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if err != nil {
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return err
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}
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defer cleanup()
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if ctx.Bool("loop_out_only") && ctx.Bool("loop_in_only") {
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return fmt.Errorf("only one of loop_out_only and loop_in_only " +
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"can be set")
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}
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filter := &looprpc.ListSwapsFilter{}
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// Set the swap type filter.
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switch {
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case ctx.Bool("loop_out_only"):
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filter.SwapType = looprpc.ListSwapsFilter_LOOP_OUT
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case ctx.Bool("loop_in_only"):
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filter.SwapType = looprpc.ListSwapsFilter_LOOP_IN
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}
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// Set the pending only filter.
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filter.PendingOnly = ctx.Bool("pending_only")
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// Parse outgoing channel set. Don't string split if the flag is empty.
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// Otherwise, strings.Split returns a slice of length one with an empty
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// element.
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var outgoingChanSet []uint64
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if ctx.IsSet(channelFlag.Name) {
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chanStrings := strings.Split(ctx.String(channelFlag.Name), ",")
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for _, chanString := range chanStrings {
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chanID, err := strconv.ParseUint(chanString, 10, 64)
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if err != nil {
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return fmt.Errorf("error parsing channel id "+
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"\"%v\"", chanString)
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}
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outgoingChanSet = append(outgoingChanSet, chanID)
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}
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filter.OutgoingChanSet = outgoingChanSet
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}
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// Parse last hop.
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var lastHop []byte
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if ctx.IsSet(lastHopFlag.Name) {
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lastHopVertex, err := route.NewVertexFromStr(
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ctx.String(lastHopFlag.Name),
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)
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if err != nil {
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return err
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}
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lastHop = lastHopVertex[:]
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filter.LoopInLastHop = lastHop
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}
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// Parse label.
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if ctx.IsSet(labelFlag.Name) {
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filter.Label = ctx.String(labelFlag.Name)
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}
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resp, err := client.ListSwaps(
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context.Background(), &looprpc.ListSwapsRequest{
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ListSwapFilter: filter,
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},
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)
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if err != nil {
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return err
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}
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printRespJSON(resp)
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return nil
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}
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var swapInfoCommand = cli.Command{
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Name: "swapinfo",
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Usage: "show the status of a swap",
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ArgsUsage: "id",
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Description: "Allows the user to get the status of a single swap " +
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"currently stored in the database",
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Flags: []cli.Flag{
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cli.Uint64Flag{
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Name: "id",
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Usage: "the ID of the swap",
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},
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},
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Action: swapInfo,
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}
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func swapInfo(ctx *cli.Context) error {
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args := ctx.Args()
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var id string
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switch {
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case ctx.IsSet("id"):
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id = ctx.String("id")
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case ctx.NArg() > 0:
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id = args[0]
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args = args.Tail() // nolint:wastedassign
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default:
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// Show command help if no arguments and flags were provided.
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return cli.ShowCommandHelp(ctx, "swapinfo")
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}
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if len(id) != hex.EncodedLen(lntypes.HashSize) {
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return fmt.Errorf("invalid swap ID")
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}
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idBytes, err := hex.DecodeString(id)
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if err != nil {
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return fmt.Errorf("cannot hex decode id: %v", err)
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}
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client, cleanup, err := getClient(ctx)
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if err != nil {
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return err
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}
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defer cleanup()
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resp, err := client.SwapInfo(
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context.Background(), &looprpc.SwapInfoRequest{Id: idBytes},
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)
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if err != nil {
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return err
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}
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printRespJSON(resp)
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return nil
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}
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var abandonSwapCommand = cli.Command{
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Name: "abandonswap",
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Usage: "abandon a swap with a given swap hash",
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Description: "This command overrides the database and abandons a " +
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"swap with a given swap hash.\n\n" +
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"!!! This command might potentially lead to loss of funds if " +
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"it is applied to swaps that are still waiting for pending " +
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"user funds. Before executing this command make sure that " +
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"no funds are locked by the swap.",
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ArgsUsage: "ID",
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Flags: []cli.Flag{
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cli.BoolFlag{
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Name: "i_know_what_i_am_doing",
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Usage: "Specify this flag if you made sure that you " +
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"read and understood the following " +
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"consequence of applying this command.",
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},
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},
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Action: abandonSwap,
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}
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func abandonSwap(ctx *cli.Context) error {
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args := ctx.Args()
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var id string
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switch {
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case ctx.IsSet("id"):
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id = ctx.String("id")
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case ctx.NArg() > 0:
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id = args[0]
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args = args.Tail() // nolint:wastedassign
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default:
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// Show command help if no arguments and flags were provided.
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return cli.ShowCommandHelp(ctx, "abandonswap")
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}
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if len(id) != hex.EncodedLen(lntypes.HashSize) {
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return fmt.Errorf("invalid swap ID")
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}
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idBytes, err := hex.DecodeString(id)
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if err != nil {
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return fmt.Errorf("cannot hex decode id: %v", err)
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}
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client, cleanup, err := getClient(ctx)
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if err != nil {
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return err
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}
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defer cleanup()
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if !ctx.Bool("i_know_what_i_am_doing") {
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return cli.ShowCommandHelp(ctx, "abandonswap")
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}
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resp, err := client.AbandonSwap(
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context.Background(), &looprpc.AbandonSwapRequest{
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Id: idBytes,
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IKnowWhatIAmDoing: ctx.Bool("i_know_what_i_am_doing"),
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},
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)
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if err != nil {
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return err
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}
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printRespJSON(resp)
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return nil
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}
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