lnd.xprv/cmd/lncli/commands.go

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package main
import (
"bytes"
"encoding/hex"
"encoding/json"
"fmt"
"io"
"os"
"strings"
2016-01-16 21:45:54 +03:00
"github.com/lightningnetwork/lnd/lnrpc"
"github.com/roasbeef/btcd/chaincfg/chainhash"
"github.com/urfave/cli"
"golang.org/x/net/context"
)
// TODO(roasbeef): cli logic for supporting both positional and unix style
// arguments.
func printRespJson(resp interface{}) {
b, err := json.Marshal(resp)
if err != nil {
fatal(err)
}
// TODO(roasbeef): disable 'omitempty' like behavior
var out bytes.Buffer
json.Indent(&out, b, "", "\t")
out.WriteTo(os.Stdout)
}
var NewAddressCommand = cli.Command{
Name: "newaddress",
Usage: "generates a new address. Three address types are supported: p2wkh, np2wkh, p2pkh",
Action: newAddress,
}
func newAddress(ctx *cli.Context) error {
client := getClient(ctx)
stringAddrType := ctx.Args().Get(0)
// Map the string encoded address type, to the concrete typed address
// type enum. An unrecognized address type will result in an error.
var addrType lnrpc.NewAddressRequest_AddressType
switch stringAddrType { // TODO(roasbeef): make them ints on the cli?
case "p2wkh":
addrType = lnrpc.NewAddressRequest_WITNESS_PUBKEY_HASH
case "np2wkh":
addrType = lnrpc.NewAddressRequest_NESTED_PUBKEY_HASH
case "p2pkh":
addrType = lnrpc.NewAddressRequest_PUBKEY_HASH
default:
return fmt.Errorf("invalid address type %v, support address type "+
"are: p2wkh, np2wkh, p2pkh", stringAddrType)
}
ctxb := context.Background()
addr, err := client.NewAddress(ctxb, &lnrpc.NewAddressRequest{
Type: addrType,
})
if err != nil {
return err
}
printRespJson(addr)
return nil
}
var SendCoinsCommand = cli.Command{
Name: "sendcoins",
Description: "send a specified amount of bitcoin to the passed address",
Usage: "sendcoins --addr=<bitcoin addresss> --amt=<num coins in satoshis>",
Flags: []cli.Flag{
cli.StringFlag{
Name: "addr",
Usage: "the bitcoin address to send coins to on-chain",
},
// TODO(roasbeef): switch to BTC on command line? int may not be sufficient
cli.IntFlag{
Name: "amt",
Usage: "the number of bitcoin denominated in satoshis to send",
},
},
Action: sendCoins,
}
func sendCoins(ctx *cli.Context) error {
ctxb := context.Background()
client := getClient(ctx)
req := &lnrpc.SendCoinsRequest{
Addr: ctx.String("addr"),
Amount: int64(ctx.Int("amt")),
}
txid, err := client.SendCoins(ctxb, req)
if err != nil {
return err
}
printRespJson(txid)
return nil
}
var SendManyCommand = cli.Command{
Name: "sendmany",
Description: "create and broadcast a transaction paying the specified " +
"amount(s) to the passed address(es)",
Usage: `sendmany '{"ExampleAddr": NumCoinsInSatoshis, "SecondAddr": NumCoins}'`,
Action: sendMany,
}
func sendMany(ctx *cli.Context) error {
var amountToAddr map[string]int64
jsonMap := ctx.Args().Get(0)
if err := json.Unmarshal([]byte(jsonMap), &amountToAddr); err != nil {
return err
}
ctxb := context.Background()
client := getClient(ctx)
txid, err := client.SendMany(ctxb, &lnrpc.SendManyRequest{amountToAddr})
if err != nil {
return err
}
printRespJson(txid)
return nil
}
var ConnectCommand = cli.Command{
Name: "connect",
Usage: "connect to a remote lnd peer: <pubkey>@host",
Action: connectPeer,
}
func connectPeer(ctx *cli.Context) error {
ctxb := context.Background()
client := getClient(ctx)
targetAddress := ctx.Args().Get(0)
splitAddr := strings.Split(targetAddress, "@")
if len(splitAddr) != 2 {
return fmt.Errorf("target address expected in format: " +
"pubkey@host:port")
}
addr := &lnrpc.LightningAddress{
Pubkey: splitAddr[0],
Host: splitAddr[1],
}
req := &lnrpc.ConnectPeerRequest{addr}
lnid, err := client.ConnectPeer(ctxb, req)
if err != nil {
return err
}
printRespJson(lnid)
return nil
}
// TODO(roasbeef): default number of confirmations
var OpenChannelCommand = cli.Command{
Name: "openchannel",
Description: "Attempt to open a new channel to an existing peer, " +
"optionally blocking until the channel is 'open'. Once the " +
"channel is open, a channelPoint (txid:vout) of the funding " +
"output is returned. NOTE: peer_id and node_key are " +
"mutually exclusive, only one should be used, not both.",
Usage: "openchannel --node_key=X --local_amt=N --remote_amt=N --num_confs=N",
Flags: []cli.Flag{
cli.IntFlag{
Name: "peer_id",
Usage: "the relative id of the peer to open a channel with",
},
cli.StringFlag{
Name: "node_key",
Usage: "the identity public key of the target peer " +
"serialized in compressed format",
},
cli.IntFlag{
Name: "local_amt",
Usage: "the number of satoshis the wallet should commit to the channel",
},
cli.IntFlag{
Name: "remote_amt",
Usage: "the number of satoshis the remote peer should commit to the channel",
},
cli.IntFlag{
Name: "num_confs",
Usage: "the number of confirmations required before the " +
"channel is considered 'open'",
},
cli.BoolFlag{
Name: "block",
Usage: "block and wait until the channel is fully open",
},
},
Action: openChannel,
}
func openChannel(ctx *cli.Context) error {
// TODO(roasbeef): add deadline to context
ctxb := context.Background()
client := getClient(ctx)
if ctx.Int("peer_id") != 0 && ctx.String("node_key") != "" {
return fmt.Errorf("both peer_id and lightning_id cannot be set " +
"at the same time, only one can be specified")
}
req := &lnrpc.OpenChannelRequest{
LocalFundingAmount: int64(ctx.Int("local_amt")),
RemoteFundingAmount: int64(ctx.Int("remote_amt")),
NumConfs: uint32(ctx.Int("num_confs")),
}
if ctx.Int("peer_id") != 0 {
req.TargetPeerId = int32(ctx.Int("peer_id"))
} else {
nodePubHex, err := hex.DecodeString(ctx.String("node_key"))
if err != nil {
return fmt.Errorf("unable to decode lightning id: %v", err)
}
req.NodePubkey = nodePubHex
}
stream, err := client.OpenChannel(ctxb, req)
if err != nil {
return err
}
if !ctx.Bool("block") {
return nil
}
for {
resp, err := stream.Recv()
if err == io.EOF {
return nil
} else if err != nil {
return err
}
switch update := resp.Update.(type) {
case *lnrpc.OpenStatusUpdate_ChanOpen:
channelPoint := update.ChanOpen.ChannelPoint
txid, err := chainhash.NewHash(channelPoint.FundingTxid)
if err != nil {
return err
}
index := channelPoint.OutputIndex
printRespJson(struct {
ChannelPoint string `json:"channel_point"`
}{
ChannelPoint: fmt.Sprintf("%v:%v", txid, index),
},
)
}
}
return nil
}
// TODO(roasbeef): also allow short relative channel ID.
var CloseChannelCommand = cli.Command{
Name: "closechannel",
Description: "Close an existing channel. The channel can be closed either " +
"cooperatively, or uncooperatively (forced).",
Usage: "closechannel funding_txid output_index time_limit allow_force",
Flags: []cli.Flag{
cli.StringFlag{
Name: "funding_txid",
Usage: "the txid of the channel's funding transaction",
},
cli.IntFlag{
Name: "output_index",
Usage: "the output index for the funding output of the funding " +
"transaction",
},
cli.StringFlag{
Name: "time_limit",
Usage: "a relative deadline afterwhich the attempt should be " +
"abandonded",
},
cli.BoolFlag{
Name: "force",
Usage: "after the time limit has passed, attempt an " +
"uncooperative closure",
},
cli.BoolFlag{
Name: "block",
Usage: "block until the channel is closed",
},
},
Action: closeChannel,
}
func closeChannel(ctx *cli.Context) error {
ctxb := context.Background()
client := getClient(ctx)
txid, err := chainhash.NewHashFromStr(ctx.String("funding_txid"))
if err != nil {
return err
}
// TODO(roasbeef): implement time deadline within server
req := &lnrpc.CloseChannelRequest{
ChannelPoint: &lnrpc.ChannelPoint{
FundingTxid: txid[:],
OutputIndex: uint32(ctx.Int("output_index")),
},
Force: ctx.Bool("force"),
}
stream, err := client.CloseChannel(ctxb, req)
if err != nil {
return err
}
if !ctx.Bool("block") {
return nil
}
for {
resp, err := stream.Recv()
if err == io.EOF {
return nil
} else if err != nil {
return err
}
switch update := resp.Update.(type) {
case *lnrpc.CloseStatusUpdate_ChanClose:
closingHash := update.ChanClose.ClosingTxid
txid, err := chainhash.NewHash(closingHash)
if err != nil {
return err
}
printRespJson(struct {
ClosingTXID string `json:"closing_txid"`
}{
ClosingTXID: txid.String(),
})
}
}
return nil
}
var ListPeersCommand = cli.Command{
Name: "listpeers",
Description: "List all active, currently connected peers.",
Action: listPeers,
}
func listPeers(ctx *cli.Context) error {
ctxb := context.Background()
client := getClient(ctx)
req := &lnrpc.ListPeersRequest{}
resp, err := client.ListPeers(ctxb, req)
if err != nil {
return err
}
printRespJson(resp)
return nil
}
var WalletBalanceCommand = cli.Command{
Name: "walletbalance",
Description: "compute and display the wallet's current balance",
Usage: "walletbalance --witness_only=[true|false]",
Flags: []cli.Flag{
cli.BoolFlag{
Name: "witness_only",
Usage: "if only witness outputs should be considered when " +
"calculating the wallet's balance",
},
},
Action: walletBalance,
}
func walletBalance(ctx *cli.Context) error {
ctxb := context.Background()
client := getClient(ctx)
req := &lnrpc.WalletBalanceRequest{
WitnessOnly: ctx.Bool("witness_only"),
}
resp, err := client.WalletBalance(ctxb, req)
if err != nil {
return err
}
printRespJson(resp)
return nil
}
var ChannelBalanceCommand = cli.Command{
Name: "channelbalance",
Description: "returns the sum of the total available channel balance across all open channels",
Action: channelBalance,
}
func channelBalance(ctx *cli.Context) error {
ctxb := context.Background()
client := getClient(ctx)
req := &lnrpc.ChannelBalanceRequest{}
resp, err := client.ChannelBalance(ctxb, req)
if err != nil {
return err
}
printRespJson(resp)
return nil
}
var GetInfoCommand = cli.Command{
Name: "getinfo",
Description: "returns basic information related to the active daemon",
Action: getInfo,
}
func getInfo(ctx *cli.Context) error {
ctxb := context.Background()
client := getClient(ctx)
req := &lnrpc.GetInfoRequest{}
resp, err := client.GetInfo(ctxb, req)
if err != nil {
return err
}
printRespJson(resp)
return nil
}
var PendingChannelsCommand = cli.Command{
Name: "pendingchannels",
Description: "display information pertaining to pending channels",
Usage: "pendingchannels --status=[all|opening|closing]",
Flags: []cli.Flag{
cli.BoolFlag{
Name: "open, o",
Usage: "display the status of new pending channels",
},
cli.BoolFlag{
Name: "close, c",
Usage: "display the status of channels being closed",
},
cli.BoolFlag{
Name: "all, a",
Usage: "display the status of channels in the " +
"process of being opened or closed",
},
},
Action: pendingChannels,
}
func pendingChannels(ctx *cli.Context) error {
ctxb := context.Background()
client := getClient(ctx)
var channelStatus lnrpc.ChannelStatus
switch {
case ctx.Bool("all"):
channelStatus = lnrpc.ChannelStatus_ALL
case ctx.Bool("open"):
channelStatus = lnrpc.ChannelStatus_OPENING
case ctx.Bool("close"):
channelStatus = lnrpc.ChannelStatus_CLOSING
default:
channelStatus = lnrpc.ChannelStatus_ALL
}
req := &lnrpc.PendingChannelRequest{channelStatus}
resp, err := client.PendingChannels(ctxb, req)
if err != nil {
return err
}
printRespJson(resp)
return nil
}
var ListChannelsCommand = cli.Command{
Name: "listchannels",
Description: "list all open channels",
Usage: "listchannels --active_only",
Flags: []cli.Flag{
cli.BoolFlag{
Name: "active_only, a",
Usage: "only list channels which are currently active",
},
},
Action: listChannels,
}
func listChannels(ctx *cli.Context) error {
ctxb := context.Background()
client := getClient(ctx)
req := &lnrpc.ListChannelsRequest{}
resp, err := client.ListChannels(ctxb, req)
if err != nil {
return err
}
printRespJson(resp)
return nil
}
var SendPaymentCommand = cli.Command{
Name: "sendpayment",
Description: "send a payment over lightning",
Usage: "sendpayment --dest=[node_key] --amt=[in_satoshis] --payment_hash=[hash] --debug_send=[true|false]",
Flags: []cli.Flag{
cli.StringFlag{
Name: "dest, d",
Usage: "the compressed identity pubkey of the " +
"payment recipient",
},
cli.IntFlag{ // TODO(roasbeef): float64?
Name: "amt, a",
Usage: "number of satoshis to send",
},
cli.StringFlag{
Name: "payment_hash, r",
Usage: "the hash to use within the payment's HTLC",
},
cli.BoolFlag{
Name: "debug_send",
Usage: "use the debug rHash when sending the HTLC",
},
cli.StringFlag{
Name: "pay_req",
Usage: "a zbase32-check encoded payment request to fulfill",
},
},
Action: sendPaymentCommand,
}
func sendPaymentCommand(ctx *cli.Context) error {
client := getClient(ctx)
var req *lnrpc.SendRequest
if ctx.String("pay_req") != "" {
req = &lnrpc.SendRequest{
PaymentRequest: ctx.String("pay_req"),
}
} else {
destNode, err := hex.DecodeString(ctx.String("dest"))
if err != nil {
return err
}
if len(destNode) != 33 {
return fmt.Errorf("dest node pubkey must be exactly 33 bytes, is "+
"instead: %v", len(destNode))
}
req = &lnrpc.SendRequest{
Dest: destNode,
Amt: int64(ctx.Int("amt")),
}
if !ctx.Bool("debug_send") {
rHash, err := hex.DecodeString(ctx.String("payment_hash"))
if err != nil {
return err
}
if len(rHash) != 32 {
return fmt.Errorf("payment hash must be exactly 32 "+
"bytes, is instead %v", len(rHash))
}
req.PaymentHash = rHash
}
}
paymentStream, err := client.SendPayment(context.Background())
if err != nil {
return err
}
if err := paymentStream.Send(req); err != nil {
return err
}
resp, err := paymentStream.Recv()
if err != nil {
return err
}
paymentStream.CloseSend()
printRespJson(resp)
return nil
}
var AddInvoiceCommand = cli.Command{
Name: "addinvoice",
Description: "add a new invoice, expressing intent for a future payment",
Usage: "addinvoice --memo=[note] --receipt=[sig+contract hash] --value=[in_satoshis] --preimage=[32_byte_hash]",
Flags: []cli.Flag{
cli.StringFlag{
Name: "memo",
Usage: "an optional memo to attach along with the invoice",
},
cli.StringFlag{
Name: "receipt",
Usage: "an optional cryptographic receipt of payment",
},
cli.StringFlag{
Name: "preimage",
Usage: "the hex-encoded preimage which will allow settling an incoming HTLC payable to this preimage",
},
cli.IntFlag{
Name: "value",
Usage: "the value of this invoice in satoshis",
},
},
Action: addInvoice,
}
func addInvoice(ctx *cli.Context) error {
client := getClient(ctx)
preimage, err := hex.DecodeString(ctx.String("preimage"))
if err != nil {
return fmt.Errorf("unable to parse preimage: %v", err)
}
receipt, err := hex.DecodeString(ctx.String("receipt"))
if err != nil {
return fmt.Errorf("unable to parse receipt: %v", err)
}
invoice := &lnrpc.Invoice{
Memo: ctx.String("memo"),
Receipt: receipt,
RPreimage: preimage,
Value: int64(ctx.Int("value")),
}
resp, err := client.AddInvoice(context.Background(), invoice)
if err != nil {
return err
}
printRespJson(struct {
RHash string `json:"r_hash"`
PayReq string `json:"pay_req"`
}{
RHash: hex.EncodeToString(resp.RHash),
PayReq: resp.PaymentRequest,
})
return nil
}
var LookupInvoiceCommand = cli.Command{
Name: "lookupinvoice",
Description: "lookup an existing invoice by its payment hash",
Usage: "lookupinvoice --rhash=[32_byte_hash]",
Flags: []cli.Flag{
cli.StringFlag{
Name: "rhash",
Usage: "the payment hash of the invoice to query for, the hash " +
"should be a hex-encoded string",
},
},
Action: lookupInvoice,
}
func lookupInvoice(ctx *cli.Context) error {
client := getClient(ctx)
rHash, err := hex.DecodeString(ctx.String("rhash"))
if err != nil {
return err
}
req := &lnrpc.PaymentHash{
RHash: rHash,
}
invoice, err := client.LookupInvoice(context.Background(), req)
if err != nil {
return err
}
printRespJson(invoice)
return nil
}
var ListInvoicesCommand = cli.Command{
Name: "listinvoices",
Usage: "listinvoice --pending_only=[true|false]",
Description: "list all invoices currently stored",
Flags: []cli.Flag{
cli.BoolFlag{
Name: "pending_only",
Usage: "toggles if all invoices should be returned, or only " +
"those that are currently unsettled",
},
},
Action: listInvoices,
}
func listInvoices(ctx *cli.Context) error {
client := getClient(ctx)
pendingOnly := true
if !ctx.Bool("pending_only") {
pendingOnly = false
}
req := &lnrpc.ListInvoiceRequest{
PendingOnly: pendingOnly,
}
invoices, err := client.ListInvoices(context.Background(), req)
if err != nil {
return err
}
printRespJson(invoices)
return nil
}
var DescribeGraphCommand = cli.Command{
Name: "describegraph",
Description: "prints a human readable version of the known channel " +
"graph from the PoV of the node",
Usage: "describegraph",
Action: describeGraph,
}
func describeGraph(ctx *cli.Context) error {
client := getClient(ctx)
req := &lnrpc.ChannelGraphRequest{}
graph, err := client.DescribeGraph(context.Background(), req)
if err != nil {
return err
}
printRespJson(graph)
return nil
}
var ListPaymentsCommand = cli.Command{
Name: "listpayments",
Usage: "listpayments",
Description: "list all outgoing payments",
Action: listPayments,
}
func listPayments(ctx *cli.Context) error {
client := getClient(ctx)
req := &lnrpc.ListPaymentsRequest{}
payments, err := client.ListPayments(context.Background(), req)
if err != nil {
return err
}
printRespJson(payments)
return nil
}
var GetChanInfoCommand = cli.Command{
Name: "getchaninfo",
Usage: "getchaninfo --chand_id=[8_byte_channel_id]",
Description: "prints out the latest authenticated state for a " +
"particular channel",
Flags: []cli.Flag{
cli.IntFlag{
Name: "chan_id",
Usage: "the 8-byte compact channel ID to query for",
},
},
Action: getChanInfo,
}
func getChanInfo(ctx *cli.Context) error {
ctxb := context.Background()
client := getClient(ctx)
req := &lnrpc.ChanInfoRequest{
ChanId: uint64(ctx.Int("chan_id")),
}
chanInfo, err := client.GetChanInfo(ctxb, req)
if err != nil {
return err
}
printRespJson(chanInfo)
return nil
}
var GetNodeInfoCommand = cli.Command{
Name: "getnodeinfo",
Usage: "getnodeinfo --pub_key=[33_byte_serialized_pub_lky]",
Description: "prints out the latest authenticated node state for an " +
"advertised node",
Flags: []cli.Flag{
cli.StringFlag{
Name: "pub_key",
Usage: "the 33-byte hex-encoded compressed public of the target " +
"node",
},
},
Action: getNodeInfo,
}
func getNodeInfo(ctx *cli.Context) error {
ctxb := context.Background()
client := getClient(ctx)
req := &lnrpc.NodeInfoRequest{
PubKey: ctx.String("pub_key"),
}
nodeInfo, err := client.GetNodeInfo(ctxb, req)
if err != nil {
return err
}
printRespJson(nodeInfo)
return nil
}
var QueryRouteCommand = cli.Command{
Name: "queryroute",
Usage: "queryroute --dest=[dest_pub_key] --amt=[amt_to_send_in_satoshis]",
Description: "queries the channel router for a potential path to the destination that has sufficient flow for the amount including fees",
Flags: []cli.Flag{
cli.StringFlag{
Name: "dest",
Usage: "the 33-byte hex-encoded public key for the payment " +
"destination",
},
cli.IntFlag{
Name: "amt",
Usage: "the amount to send expressed in satoshis",
},
},
Action: queryRoute,
}
func queryRoute(ctx *cli.Context) error {
ctxb := context.Background()
client := getClient(ctx)
req := &lnrpc.RouteRequest{
PubKey: ctx.String("dest"),
Amt: int64(ctx.Int("amt")),
}
route, err := client.QueryRoute(ctxb, req)
if err != nil {
return err
}
printRespJson(route)
return nil
}
var GetNetworkInfoCommand = cli.Command{
Name: "getnetworkinfo",
Usage: "getnetworkinfo",
Description: "returns a set of statistics pertaining to the known channel " +
"graph",
Action: getNetworkInfo,
}
func getNetworkInfo(ctx *cli.Context) error {
ctxb := context.Background()
client := getClient(ctx)
req := &lnrpc.NetworkInfoRequest{}
netInfo, err := client.GetNetworkInfo(ctxb, req)
if err != nil {
return err
}
printRespJson(netInfo)
return nil
}