ZEUS-2371: LND v0.18.3: blinded paths for BOLT 11

backends/CLNRest.ts

@@ -416,6 +416,7 @@ export default class CLNRest {
     supportsChannelBatching = () => false;
     supportsLSPS1customMessage = () => false;
     supportsLSPS1rest = () => true;
+    supportsBolt11BlindedRoutes = () => false;
     supportsOffers = async () => {
         const { configs } = await this.postRequest('/v1/listconfigs');
 

backends/CLightningREST.ts

@@ -304,6 +304,7 @@ export default class CLightningREST extends LND {
     supportsChannelBatching = () => false;
     supportsLSPS1customMessage = () => false;
     supportsLSPS1rest = () => true;
+    supportsBolt11BlindedRoutes = () => false;
     supportsOffers = async () => {
         const res = await this.getRequest('/v1/utility/listConfigs');
         const supportsOffers: boolean = res['experimental-offers'] || false;

backends/Eclair.ts

@@ -508,6 +508,7 @@ export default class Eclair {
     supportsChannelBatching = () => false;
     supportsLSPS1customMessage = () => false;
     supportsLSPS1rest = () => true;
+    supportsBolt11BlindedRoutes = () => false;
     supportsOffers = () => false;
     isLNDBased = () => false;
 }

backends/EmbeddedLND.ts

@@ -85,6 +85,7 @@ export default class EmbeddedLND extends LND {
             memo: data.memo,
             expiry: data.expiry,
             is_amp: data.is_amp,
+            is_blinded: data.is_blinded,
             is_private: data.private,
             preimage: data.preimage,
             route_hints: data.route_hints
@@ -299,5 +300,6 @@ export default class EmbeddedLND extends LND {
     supportsLSPS1customMessage = () => true;
     supportsLSPS1rest = () => false;
     supportsOffers = () => false;
+    supportsBolt11BlindedRoutes = () => this.supports('v0.18.3');
     isLNDBased = () => true;
 }

backends/LND.ts

@@ -316,6 +316,7 @@ export default class LND {
             value_msat: data.value_msat || Number(data.value) * 1000,
             expiry: data.expiry,
             is_amp: data.is_amp,
+            is_blinded: data.is_blinded,
             private: data.private,
             r_preimage: data.preimage
                 ? Base64Utils.hexToBase64(data.preimage)
@@ -672,5 +673,6 @@ export default class LND {
     supportsLSPS1customMessage = () => true;
     supportsLSPS1rest = () => false;
     supportsOffers = (): Promise<boolean> | boolean => false;
+    supportsBolt11BlindedRoutes = () => this.supports('v0.18.3');
     isLNDBased = () => true;
 }

backends/LightningNodeConnect.ts

@@ -152,6 +152,7 @@ export default class LightningNodeConnect {
                 value_msat: data.value_msat || Number(data.value) * 1000,
                 expiry: data.expiry,
                 is_amp: data.is_amp,
+                is_blinded: data.is_blinded,
                 private: data.private,
                 r_preimage: data.preimage
                     ? Base64Utils.hexToBase64(data.preimage)
@@ -494,5 +495,6 @@ export default class LightningNodeConnect {
     supportsLSPS1customMessage = () => true;
     supportsLSPS1rest = () => false;
     supportsOffers = () => false;
+    supportsBolt11BlindedRoutes = () => this.supports('v0.18.3');
     isLNDBased = () => true;
 }

backends/LndHub.ts

@@ -157,6 +157,7 @@ export default class LndHub extends LND {
     supportsChannelBatching = () => true;
     supportsLSPS1customMessage = () => false;
     supportsLSPS1rest = () => false;
+    supportsBolt11BlindedRoutes = () => false;
     supportsOffers = () => false;
     isLNDBased = () => false;
 }

backends/Spark.ts

@@ -382,6 +382,7 @@ export default class Spark {
     supportsChannelBatching = () => true;
     supportsLSPS1customMessage = () => false;
     supportsLSPS1rest = () => true;
+    supportsBolt11BlindedRoutes = () => false;
     supportsOffers = () => false;
     isLNDBased = () => false;
 }

lndmobile/LndMobileInjection.ts

@@ -133,6 +133,7 @@ export interface ILndMobileInjections {
             memo,
             expiry,
             is_amp,
+            is_blinded,
             is_private,
             preimage,
             route_hints
@@ -142,6 +143,7 @@ export interface ILndMobileInjections {
             memo: string;
             expiry?: number;
             is_amp?: boolean;
+            is_blinded?: boolean;
             is_private?: boolean;
             preimage?: string;
             route_hints?: lnrpc.IRouteHint[] | null;

lndmobile/index.ts

@@ -568,6 +568,7 @@ export const addInvoice = async ({
     memo,
     expiry = 3600,
     is_amp,
+    is_blinded,
     is_private,
     preimage,
     route_hints
@@ -577,6 +578,7 @@ export const addInvoice = async ({
     memo: string;
     expiry: number;
     is_amp?: boolean;
+    is_blinded?: boolean;
     is_private?: boolean;
     preimage?: string;
     route_hints?: lnrpc.IRouteHint[] | null;
@@ -597,6 +599,7 @@ export const addInvoice = async ({
             private: is_private,
             min_hop_hints: is_private ? 6 : 0,
             is_amp,
+            is_blinded,
             r_preimage: preimage ? Base64Utils.hexToBytes(preimage) : undefined,
             route_hints
         }

locales/en.json

@@ -606,6 +606,9 @@
     "views.Receive.ampSwitchExplainer2": "Please note that AMP invoices are currently only compatible with LND nodes.",
     "views.Receive.lspZeroAmt": "The LSP is incompatible with zero amounts. An unwrapped invoice has been generated. Your node's public key will be exposed.",
     "views.Receive.createLightningAddress": "Create lightning address",
+    "views.Receive.blindedPaths": "Blinded paths",
+    "views.Receive.blindedPathsExplainer1": "Using blinded paths in your invoice is an advanced privacy technique that allows you to hide your node's' public key, which is typically revealed in most lightning invoices.",
+    "views.Receive.blindedPathsExplainer2": "Note that not all wallets support paying BOLT 11 invoices with blinded paths yet, and that the possiblity of payment success may decrease.",
     "views.Send.title": "Send",
     "views.Send.rPreimage": "R Preimage",
     "views.Send.lnPayment": "Lightning payment request",

models/Invoice.ts

@@ -52,6 +52,7 @@ export default class Invoice extends BaseModel {
     public cltv_expiry: string;
     public htlcs: Array<HTLC>;
     public is_amp?: boolean;
+    public is_blinded?: boolean;
     // c-lightning, eclair
     public bolt11: string;
     public label: string;

stores/InvoicesStore.ts

@@ -120,31 +120,45 @@ export default class InvoicesStore {
     };
 
     @action
-    public createUnifiedInvoice = (
-        memo: string,
-        value: string,
+    public createUnifiedInvoice = ({
+        memo,
+        value,
         expiry = '3600',
-        lnurl?: LNURLWithdrawParams,
-        ampInvoice?: boolean,
-        routeHints?: boolean,
-        routeHintChannels?: Channel[],
-        addressType?: string,
-        customPreimage?: string,
-        noLsp?: boolean
-    ) => {
+        lnurl,
+        ampInvoice,
+        blindedPaths,
+        routeHints,
+        routeHintChannels,
+        addressType,
+        customPreimage,
+        noLsp
+    }: {
+        memo: string;
+        value: string;
+        expiry: string;
+        lnurl?: LNURLWithdrawParams;
+        ampInvoice?: boolean;
+        blindedPaths?: boolean;
+        routeHints?: boolean;
+        routeHintChannels?: Channel[];
+        addressType?: string;
+        customPreimage?: string;
+        noLsp?: boolean;
+    }) => {
         this.creatingInvoice = true;
-        return this.createInvoice(
+        return this.createInvoice({
             memo,
             value,
             expiry,
             lnurl,
             ampInvoice,
+            blindedPaths,
             routeHints,
             routeHintChannels,
-            true,
+            unified: true,
             customPreimage,
             noLsp
-        ).then(
+        }).then(
             ({
                 rHash,
                 paymentRequest
@@ -179,18 +193,31 @@ export default class InvoicesStore {
     };
 
     @action
-    public createInvoice = async (
-        memo: string,
-        value: string,
+    public createInvoice = async ({
+        memo,
+        value,
         expiry = '3600',
-        lnurl?: LNURLWithdrawParams,
-        ampInvoice?: boolean,
-        routeHints?: boolean,
-        routeHintChannels?: Channel[],
-        unified?: boolean,
-        customPreimage?: string,
-        noLsp?: boolean
-    ) => {
+        lnurl,
+        ampInvoice,
+        blindedPaths,
+        routeHints,
+        routeHintChannels,
+        unified,
+        customPreimage,
+        noLsp
+    }: {
+        memo: string;
+        value: string;
+        expiry: string;
+        lnurl?: LNURLWithdrawParams;
+        ampInvoice?: boolean;
+        blindedPaths?: boolean;
+        routeHints?: boolean;
+        routeHintChannels?: Channel[];
+        unified?: boolean;
+        customPreimage?: string;
+        noLsp?: boolean;
+    }) => {
         this.lspStore?.resetFee();
         this.payment_request = null;
         this.payment_request_amt = null;
@@ -205,6 +232,7 @@ export default class InvoicesStore {
         };
 
         if (ampInvoice) req.is_amp = true;
+        if (blindedPaths) req.is_blinded = true;
         if (routeHints) {
             if (routeHintChannels?.length) {
                 const routeHints = [];

stores/SettingsStore.ts

@@ -82,6 +82,7 @@ interface InvoicesSettings {
     expirySeconds?: string;
     routeHints?: boolean;
     ampInvoice?: boolean;
+    blindedPaths: boolean;
     showCustomPreimageField?: boolean;
 }
 
@@ -1093,6 +1094,7 @@ export default class SettingsStore {
             expirySeconds: '3600',
             routeHints: false,
             ampInvoice: false,
+            blindedPaths: false,
             showCustomPreimageField: false
         },
         channels: {

utils/BackendUtils.ts

@@ -169,6 +169,8 @@ class BackendUtils {
     supportsOnchainBatching = () => this.call('supportsOnchainBatching');
     supportsChannelBatching = () => this.call('supportsChannelBatching');
     supportsOffers = () => this.call('supportsOffers');
+    supportsBolt11BlindedRoutes = () =>
+        this.call('supportsBolt11BlindedRoutes');
     isLNDBased = () => this.call('isLNDBased');
 
     // LNC