feat: LNC wallet

packages/app/package.json

@@ -7,6 +7,7 @@
     "@fortawesome/free-solid-svg-icons": "^6.2.1",
     "@fortawesome/react-fontawesome": "^0.2.0",
     "@jukben/emoji-search": "^2.0.1",
+    "@lightninglabs/lnc-web": "^0.2.3-alpha",
     "@noble/hashes": "^1.2.0",
     "@noble/secp256k1": "^1.7.0",
     "@protobufjs/base64": "^1.1.2",

packages/app/src/Element/SendSats.tsx

@@ -19,7 +19,7 @@ import { LNURL, LNURLError, LNURLErrorCode, LNURLInvoice, LNURLSuccessAction } f
 import { debounce } from "Util";
 
 import messages from "./messages";
-import { openWallet } from "Wallet";
+import { useWallet } from "Wallet";
 
 enum ZapType {
   PublicZap = 1,
@@ -81,6 +81,7 @@ export default function SendSats(props: SendSatsProps) {
   const { formatMessage } = useIntl();
   const publisher = useEventPublisher();
   const canComment = handler ? (handler.canZap && zapType !== ZapType.NonZap) || handler.maxCommentLength > 0 : false;
+  const wallet = useWallet();
 
   useEffect(() => {
     if (props.show) {
@@ -298,11 +299,9 @@ export default function SendSats(props: SendSatsProps) {
       </>
     );
   }
-  
+
   async function payWithWallet(pr: string) {
-    const cfg = window.localStorage.getItem("wallet-lndhub");
-    if (cfg) {
-      const wallet = await openWallet(cfg);
+    if (wallet) {
       const rsp = await wallet.payInvoice(pr);
       console.debug(rsp);
       setSuccess(rsp as LNURLSuccessAction);
@@ -332,9 +331,11 @@ export default function SendSats(props: SendSatsProps) {
                 <button className="wallet-action" type="button" onClick={() => window.open(`lightning:${invoice}`)}>
                   <FormattedMessage {...messages.OpenWallet} />
                 </button>
-                <button className="wallet-action" type="button" onClick={() => payWithWallet(pr)}>
-                  <FormattedMessage defaultMessage="Pay with Snort" />
-                </button>
+                {wallet && (
+                  <button className="wallet-action" type="button" onClick={() => payWithWallet(invoice)}>
+                    <FormattedMessage defaultMessage="Pay with Wallet" />
+                  </button>
+                )}
               </>
             )}
           </div>
@@ -365,9 +366,9 @@ export default function SendSats(props: SendSatsProps) {
   const defaultTitle = handler?.canZap ? formatMessage(messages.SendZap) : formatMessage(messages.SendSats);
   const title = target
     ? formatMessage(messages.ToTarget, {
-      action: defaultTitle,
-      target,
-    })
+        action: defaultTitle,
+        target,
+      })
     : defaultTitle;
   if (!(props.show ?? false)) return null;
   return (

packages/app/src/Pages/Layout.tsx

@@ -45,9 +45,6 @@ export default function Layout() {
   const [pageClass, setPageClass] = useState("page");
   const pub = useEventPublisher();
   useLoginFeed();
-  useEffect(() => {
-    System.nip42Auth = pub.nip42Auth;
-  }, [pub]);
 
   const shouldHideNoteCreator = useMemo(() => {
     const hideOn = ["/settings", "/messages", "/new", "/login", "/donate", "/p/"];

packages/app/src/Pages/WalletPage.tsx

@@ -6,7 +6,7 @@ import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
 import { faCheck, faClock, faXmark } from "@fortawesome/free-solid-svg-icons";
 
 import NoteTime from "Element/NoteTime";
-import { openWallet, WalletInvoice, Sats, WalletInfo, WalletInvoiceState, useWallet, LNWallet } from "Wallet";
+import { WalletInvoice, Sats, WalletInfo, WalletInvoiceState, useWallet, LNWallet } from "Wallet";
 
 export const WalletRoutes: RouteObject[] = [
   {
@@ -51,9 +51,7 @@ export default function WalletPage() {
   }
 
   async function createInvoice() {
-    const cfg = window.localStorage.getItem("wallet-lndhub");
-    if (cfg) {
-      const wallet = await openWallet(cfg);
+    if (wallet) {
       const rsp = await wallet.createInvoice({
         memo: "test",
         amount: 100,

packages/app/src/Wallet/LNCWallet.ts

@@ -0,0 +1,84 @@
+import { InvoiceRequest, LNWallet, Login, WalletError, WalletInfo, WalletInvoice, WalletInvoiceState } from "Wallet";
+
+import LNC from "@lightninglabs/lnc-web";
+export class LNCWallet implements LNWallet {
+  #lnc: LNC;
+
+  private constructor(pairingPhrase?: string, password?: string) {
+    this.#lnc = new LNC({
+      pairingPhrase,
+      password,
+    });
+  }
+
+  static async Initialize(pairingPhrase: string, password: string) {
+    const lnc = new LNCWallet(pairingPhrase, password);
+    await lnc.login();
+    return lnc;
+  }
+
+  static async Connect(password: string) {
+    const lnc = new LNCWallet(undefined, password);
+    await lnc.login();
+    return lnc;
+  }
+
+  createAccount(): Promise<WalletError | Login> {
+    throw new Error("Not implemented");
+  }
+
+  async getInfo(): Promise<WalletInfo | WalletError> {
+    const nodeInfo = await this.#lnc.lnd.lightning.getInfo();
+    return {
+      nodePubKey: nodeInfo.identityPubkey,
+      alias: nodeInfo.alias,
+    } as WalletInfo;
+  }
+
+  close(): Promise<boolean | WalletError> {
+    if (this.#lnc.isConnected) {
+      this.#lnc.disconnect();
+    }
+    return Promise.resolve(true);
+  }
+
+  async login(): Promise<boolean | WalletError> {
+    await this.#lnc.connect();
+    while (!this.#lnc.isConnected) {
+      await new Promise(resolve => {
+        setTimeout(resolve, 100);
+      });
+    }
+    return true;
+  }
+
+  async getBalance(): Promise<number | WalletError> {
+    const rsp = await this.#lnc.lnd.lightning.channelBalance();
+    console.debug(rsp);
+    return parseInt(rsp.localBalance?.sat ?? "0");
+  }
+
+  createInvoice(req: InvoiceRequest): Promise<WalletInvoice | WalletError> {
+    throw new Error("Not implemented");
+  }
+
+  payInvoice(pr: string): Promise<WalletInvoice | WalletError> {
+    throw new Error("Not implemented");
+  }
+
+  async getInvoices(): Promise<WalletInvoice[] | WalletError> {
+    const invoices = await this.#lnc.lnd.lightning.listPayments({
+      includeIncomplete: true,
+      maxPayments: "10",
+      reversed: true,
+    });
+
+    return invoices.payments.map(a => {
+      return {
+        amount: parseInt(a.valueSat),
+        state: a.status === "SUCCEEDED" ? WalletInvoiceState.Paid : WalletInvoiceState.Pending,
+        timestamp: parseInt(a.creationTimeNs) / 1e9,
+      } as WalletInvoice;
+    });
+  }
+}

packages/app/src/Wallet/LNDHub.ts

@@ -1,5 +1,4 @@
 import { EventPublisher } from "Feed/EventPublisher";
-import EventKind from "Nostr/EventKind";
 import {
   InvoiceRequest,
   LNWallet,
@@ -48,6 +47,10 @@ export default class LNDHubWallet implements LNWallet {
     }
   }
 
+  close(): Promise<boolean | WalletError> {
+    throw new Error("Not implemented");
+  }
+
   async createAccount() {
     return Promise.resolve(UnknownWalletError);
   }
@@ -136,7 +139,7 @@ export default class LNDHubWallet implements LNWallet {
   private async getJson<T>(method: "GET" | "POST", path: string, body?: any): Promise<T | WalletError> {
     let auth = `Bearer ${this.auth?.access_token}`;
     if (this.type === "snort") {
-      const ev = await this.publisher?.generic(`${new URL(this.url).pathname}${path}`, EventKind.Ephemeral);
+      const ev = await this.publisher?.generic(`${new URL(this.url).pathname}${path}`, 30_000);
       auth = JSON.stringify(ev?.ToObject());
     }
     const rsp = await fetch(`${this.url}${path}`, {

packages/app/src/Wallet/index.ts

@@ -1,7 +1,3 @@
-import useEventPublisher, { EventPublisher } from "Feed/EventPublisher";
-import { useEffect, useState } from "react";
-import LNDHubWallet from "./LNDHub";
-
 export enum WalletErrorCode {
   BadAuth = 1,
   NotEnoughBalance = 2,
@@ -70,32 +66,13 @@ export interface LNWallet {
   createAccount: () => Promise<Login | WalletError>;
   getInfo: () => Promise<WalletInfo | WalletError>;
   login: () => Promise<boolean | WalletError>;
+  close: () => Promise<boolean | WalletError>;
   getBalance: () => Promise<Sats | WalletError>;
   createInvoice: (req: InvoiceRequest) => Promise<WalletInvoice | WalletError>;
   payInvoice: (pr: string) => Promise<WalletInvoice | WalletError>;
   getInvoices: () => Promise<WalletInvoice[] | WalletError>;
 }
 
-export async function openWallet(config: string, publisher?: EventPublisher) {
-  const wallet = new LNDHubWallet(config, publisher);
-  await wallet.login();
-  return wallet;
-}
-
-export function useWallet() {
-  const [wallet, setWallet] = useState<LNWallet>();
-  const publisher = useEventPublisher();
-
-  useEffect(() => {
-    if (publisher) {
-      const cfg = window.localStorage.getItem("wallet-lndhub");
-      if (cfg) {
-        openWallet(cfg, publisher)
-          .then(a => setWallet(a))
-          .catch(console.error);
-      }
-    }
-  }, [publisher]);
-
-  return wallet;
+export function useWallet(): LNWallet | undefined {
+  return undefined;
 }