routerrpc

config/defaults.js

@@ -35,6 +35,7 @@ module.exports = (mainnet = false) => {
     maxNumRoutesToQuery: 20,
     lndProto: parsePath(`${__dirname}/rpc.proto`),
     routerProto: parsePath(`${__dirname}/router.proto`),
+    invoicesProto: parsePath(`${__dirname}/invoices.proto`),
     walletUnlockerProto: parsePath(`${__dirname}/walletunlocker.proto`),
     lndHost: "localhost:10009",
     lndCertPath: parsePath(`${lndDirectory}/tls.cert`),

config/invoices.proto

@@ -0,0 +1,122 @@
+syntax = "proto3";
+
+import "rpc.proto";
+
+package invoicesrpc;
+
+option go_package = "github.com/lightningnetwork/lnd/lnrpc/invoicesrpc";
+
+// Invoices is a service that can be used to create, accept, settle and cancel
+// invoices.
+service Invoices {
+    /*
+    SubscribeSingleInvoice returns a uni-directional stream (server -> client)
+    to notify the client of state transitions of the specified invoice.
+    Initially the current invoice state is always sent out.
+    */
+    rpc SubscribeSingleInvoice (SubscribeSingleInvoiceRequest)
+        returns (stream lnrpc.Invoice);
+
+    /*
+    CancelInvoice cancels a currently open invoice. If the invoice is already
+    canceled, this call will succeed. If the invoice is already settled, it will
+    fail.
+    */
+    rpc CancelInvoice (CancelInvoiceMsg) returns (CancelInvoiceResp);
+
+    /*
+    AddHoldInvoice creates a hold invoice. It ties the invoice to the hash
+    supplied in the request.
+    */
+    rpc AddHoldInvoice (AddHoldInvoiceRequest) returns (AddHoldInvoiceResp);
+
+    /*
+    SettleInvoice settles an accepted invoice. If the invoice is already
+    settled, this call will succeed.
+    */
+    rpc SettleInvoice (SettleInvoiceMsg) returns (SettleInvoiceResp);
+}
+
+message CancelInvoiceMsg {
+    // Hash corresponding to the (hold) invoice to cancel.
+    bytes payment_hash = 1;
+}
+message CancelInvoiceResp {
+}
+
+message AddHoldInvoiceRequest {
+    /*
+    An optional memo to attach along with the invoice. Used for record keeping
+    purposes for the invoice's creator, and will also be set in the description
+    field of the encoded payment request if the description_hash field is not
+    being used.
+    */
+    string memo = 1;
+
+    // The hash of the preimage
+    bytes hash = 2;
+
+    /*
+    The value of this invoice in satoshis
+
+    The fields value and value_msat are mutually exclusive.
+    */
+    int64 value = 3;
+
+    /*
+    The value of this invoice in millisatoshis
+
+    The fields value and value_msat are mutually exclusive.
+    */
+    int64 value_msat = 10;
+
+    /*
+    Hash (SHA-256) of a description of the payment. Used if the description of
+    payment (memo) is too long to naturally fit within the description field
+    of an encoded payment request.
+    */
+    bytes description_hash = 4;
+
+    // Payment request expiry time in seconds. Default is 3600 (1 hour).
+    int64 expiry = 5;
+
+    // Fallback on-chain address.
+    string fallback_addr = 6;
+
+    // Delta to use for the time-lock of the CLTV extended to the final hop.
+    uint64 cltv_expiry = 7;
+
+    /*
+    Route hints that can each be individually used to assist in reaching the
+    invoice's destination.
+    */
+    repeated lnrpc.RouteHint route_hints = 8;
+
+    // Whether this invoice should include routing hints for private channels.
+    bool private = 9;
+}
+
+message AddHoldInvoiceResp {
+    /*
+    A bare-bones invoice for a payment within the Lightning Network.  With the
+    details of the invoice, the sender has all the data necessary to send a
+    payment to the recipient.
+    */
+    string payment_request = 1;
+}
+
+message SettleInvoiceMsg {
+    // Externally discovered pre-image that should be used to settle the hold
+    // invoice.
+    bytes preimage = 1;
+}
+
+message SettleInvoiceResp {
+}
+
+message SubscribeSingleInvoiceRequest {
+    reserved 1;
+
+    // Hash corresponding to the (hold) invoice to subscribe to.
+    bytes r_hash = 2;
+}

services/lnd/lightning.js

@@ -10,6 +10,7 @@ const errorConstants = require("../../constants/errors");
  * @typedef LightningConfig
  * @prop {string} lnrpcProtoPath
  * @prop {string} routerProtoPath
+ * @prop {string} invoicesProtoPath
  * @prop {string} walletUnlockerProtoPath
  * @prop {string} lndHost
  * @prop {string} lndCertPath
@@ -31,6 +32,7 @@ const errorConstants = require("../../constants/errors");
 module.exports = async ({
   lnrpcProtoPath,
   routerProtoPath,
+  invoicesProtoPath,
   walletUnlockerProtoPath,
   lndHost,
   lndCertPath,
@@ -47,9 +49,15 @@ module.exports = async ({
       includeDirs: ["node_modules/google-proto-files", "proto", Path.resolve(__dirname, "../../config")]
     }
 
-    const [lnrpcProto, routerProto, walletUnlockerProto] = await Promise.all([protoLoader.load(lnrpcProtoPath, protoLoaderConfig), protoLoader.load(routerProtoPath, protoLoaderConfig), protoLoader.load(walletUnlockerProtoPath, protoLoaderConfig)]);
+    const [lnrpcProto, routerProto, walletUnlockerProto, invoicesProto] = await Promise.all([
+      protoLoader.load(lnrpcProtoPath, protoLoaderConfig),
+      protoLoader.load(routerProtoPath, protoLoaderConfig),
+      protoLoader.load(walletUnlockerProtoPath, protoLoaderConfig),
+      protoLoader.load(invoicesProtoPath, protoLoaderConfig)
+    ]);
     const { lnrpc } = grpc.loadPackageDefinition(lnrpcProto);
     const { routerrpc } = grpc.loadPackageDefinition(routerProto);
+    const { invoicesrpc } = grpc.loadPackageDefinition(invoicesProto);
     const { lnrpc: walletunlockerrpc } = grpc.loadPackageDefinition(walletUnlockerProto);
 
     const getCredentials = async () => {
@@ -94,10 +102,8 @@ module.exports = async ({
         const walletUnlocker = new walletunlockerrpc.WalletUnlocker(lndHost, credentials);
         // @ts-ignore
         const router = new routerrpc.Router(lndHost, credentials);
-        // @ts-expect-error
-        const invoices = new lnrpc.Invoices(lndHost, credentials)
-
-
+        // @ts-ignore
+        const invoices = new invoicesrpc.Invoices(lndHost, credentials);
         return {
           lightning,
           walletUnlocker,

utils/lightningServices/lightning-services.js

@@ -18,6 +18,7 @@ const lnrpc = require('../../services/lnd/lightning')
  * @prop {string} macaroonPath
  * @prop {string} lndProto
  * @prop {string} routerProto
+ * @prop {string} invoicesProto
  * @prop {string} walletUnlockerProto
  */
 
@@ -119,6 +120,7 @@ class LightningServices {
     const lnServices = await lnrpc({
       lnrpcProtoPath: this.defaults.lndProto,
       routerProtoPath: this.defaults.routerProto,
+      invoicesProtoPath: this.defaults.invoicesProto,
       walletUnlockerProtoPath: this.defaults.walletUnlockerProto,
       lndHost,
       lndCertPath,