Merge pull request #78 from v0l/zaps

feat: zaps
2023-02-04 13:53:59 +00:00 · 2023-02-04 13:53:59 +00:00 · 529074e0c6
parent d1087d0405 140d87e071
commit 529074e0c6
20 changed files with 372 additions and 22 deletions
--- a/package.json
+++ b/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",
+    "@noble/hashes": "^1.2.0",
    "@noble/secp256k1": "^1.7.0",
    "@protobufjs/base64": "^1.1.2",
    "@reduxjs/toolkit": "^1.9.1",
--- a/src/Element/HyperText.tsx
+++ b/src/Element/HyperText.tsx
@ -103,4 +103,4 @@ export default function HyperText({ link, creator }: { link: string, creator: He
    }, [link]);

    return render();
-}
+}
--- a/src/Element/LNURLTip.tsx
+++ b/src/Element/LNURLTip.tsx
@ -1,12 +1,16 @@
 import "./LNURLTip.css";
 import { useEffect, useMemo, useState } from "react";
 import { bech32ToText } from "Util";
+import { HexKey } from "Nostr";
+import useEventPublisher from "Feed/EventPublisher";
 import Modal from "Element/Modal";
 import QrCode from "Element/QrCode";
 import Copy from "Element/Copy";
 import useWebln from "Hooks/useWebln";

 interface LNURLService {
+    allowsNostr?: boolean
+    nostrPubkey?: HexKey
    minSendable?: number,
    maxSendable?: number,
    metadata: string,
@ -31,12 +35,15 @@ export interface LNURLTipProps {
    invoice?: string, // shortcut to invoice qr tab
    title?: string,
    notice?: string
+    note?: HexKey
+    author?: HexKey
 }

 export default function LNURLTip(props: LNURLTipProps) {
    const onClose = props.onClose || (() => { });
    const service = props.svc;
    const show = props.show || false;
+    const { note, author } = props
    const amounts = [50, 100, 500, 1_000, 5_000, 10_000, 50_000];
    const [payService, setPayService] = useState<LNURLService>();
    const [amount, setAmount] = useState<number>();
@ -46,6 +53,7 @@ export default function LNURLTip(props: LNURLTipProps) {
    const [error, setError] = useState<string>();
    const [success, setSuccess] = useState<LNURLSuccessAction>();
    const webln = useWebln(show);
+    const publisher = useEventPublisher();

    useEffect(() => {
        if (show && !props.invoice) {
@ -117,7 +125,16 @@ export default function LNURLTip(props: LNURLTipProps) {

    async function loadInvoice() {
        if (!amount || !payService) return null;
-        const url = `${payService.callback}?amount=${Math.floor(amount * 1000)}${comment ? `&comment=${encodeURIComponent(comment)}` : ""}`;
+        let url = ''
+        const amountParam = `amount=${Math.floor(amount * 1000)}`
+        const commentParam = comment ? `&comment=${encodeURIComponent(comment)}` : ""
+        if (payService.allowsNostr && payService.nostrPubkey && author) {
+            const ev = await publisher.zap(author, note, comment)
+            const nostrParam = ev && `&nostr=${encodeURIComponent(JSON.stringify(ev.ToObject()))}`
+            url = `${payService.callback}?${amountParam}${commentParam}${nostrParam}`;
+        } else {
+            url = `${payService.callback}?${amountParam}${commentParam}`;
+        }
        try {
            let rsp = await fetch(url);
            if (rsp.ok) {
@ -235,4 +252,4 @@ export default function LNURLTip(props: LNURLTipProps) {
            </div>
        </Modal>
    )
-}
+}
--- a/src/Element/NoteFooter.tsx
+++ b/src/Element/NoteFooter.tsx
@ -14,6 +14,7 @@ import useEventPublisher from "Feed/EventPublisher";
 import { getReactions, hexToBech32, normalizeReaction, Reaction } from "Util";
 import { NoteCreator } from "Element/NoteCreator";
 import LNURLTip from "Element/LNURLTip";
+import { parseZap, ZapsSummary } from "Element/Zap";
 import { useUserProfile } from "Feed/ProfileFeed";
 import { default as NEvent } from "Nostr/Event";
 import { RootState } from "State/Store";
@ -50,6 +51,9 @@ export default function NoteFooter(props: NoteFooterProps) {
  const langNames = new Intl.DisplayNames([...window.navigator.languages], { type: "language" });
  const reactions = useMemo(() => getReactions(related, ev.Id, EventKind.Reaction), [related, ev]);
  const reposts = useMemo(() => getReactions(related, ev.Id, EventKind.Repost), [related, ev]);
+  const zaps = useMemo(() => getReactions(related, ev.Id, EventKind.ZapReceipt).map(parseZap).filter(z => z.valid), [related]);
+  const zapTotal = zaps.reduce((acc, z) => acc + z.amount, 0)
+  const didZap = zaps.some(a => a.zapper === login);
  const groupReactions = useMemo(() => {
    return reactions?.reduce((acc, { content }) => {
      let r = normalizeReaction(content);
@ -97,10 +101,11 @@ export default function NoteFooter(props: NoteFooterProps) {
    if (service) {
      return (
        <>
-          <div className="reaction-pill" onClick={() => setTip(true)}>
+          <div className={`reaction-pill ${didZap ? 'reacted' : ''}`} onClick={() => setTip(true)}>
            <div className="reaction-pill-icon">
              <Zap />
            </div>
+            {zapTotal > 0 && (<div className="reaction-pill-number">{formatShort(zapTotal)}</div>)}
          </div>
        </>
      )
@ -233,6 +238,7 @@ export default function NoteFooter(props: NoteFooterProps) {
  }

  return (
+    <>
    <div className="footer">
      <div className="footer-reactions">
        {tipButton()}
@ -259,7 +265,11 @@ export default function NoteFooter(props: NoteFooterProps) {
        show={reply}
        setShow={setReply}
      />
-      <LNURLTip svc={author?.lud16 || author?.lud06} onClose={() => setTip(false)} show={tip} />
+      <LNURLTip svc={author?.lud16 || author?.lud06} onClose={() => setTip(false)} show={tip} author={author?.pubkey} note={ev.Id} />
    </div>
+    <div className="zaps-container">
+     <ZapsSummary zaps={zaps} />
+    </div>
+    </>
  )
 }
--- a/src/Element/Timeline.tsx
+++ b/src/Element/Timeline.tsx
@ -7,6 +7,7 @@ import useTimelineFeed, { TimelineSubject } from "Feed/TimelineFeed";
 import { TaggedRawEvent } from "Nostr";
 import EventKind from "Nostr/EventKind";
 import LoadMore from "Element/LoadMore";
+import Zap, { parseZap } from "Element/Zap";
 import Note from "Element/Note";
 import NoteReaction from "Element/NoteReaction";
 import useModeration from "Hooks/useModeration";
@ -45,15 +46,19 @@ export default function Timeline({ subject, postsOnly = false, method, ignoreMod
    function eventElement(e: TaggedRawEvent) {
        switch (e.kind) {
            case EventKind.SetMetadata: {
-                return <ProfilePreview pubkey={e.pubkey} className="card"/>
+                return <ProfilePreview pubkey={e.pubkey} className="card" />
            }
            case EventKind.TextNote: {
                return <Note key={e.id} data={e} related={related.notes} ignoreModeration={ignoreModeration} />
            }
+            case EventKind.ZapReceipt: {
+                const zap = parseZap(e)
+                return zap.e ? null : <Zap zap={zap} key={e.id} />
+            }
            case EventKind.Reaction:
            case EventKind.Repost: {
                let eRef = e.tags.find(a => a[0] === "e")?.at(1);
-                return <NoteReaction data={e} key={e.id} root={parent.notes.find(a => a.id === eRef)}/>
+                return <NoteReaction data={e} key={e.id} root={parent.notes.find(a => a.id === eRef)} />
            }
        }
    }
@ -61,12 +66,12 @@ export default function Timeline({ subject, postsOnly = false, method, ignoreMod
    return (
        <div className="main-content">
            {latestFeed.length > 1 && (<div className="card latest-notes pointer" onClick={() => showLatest()}>
-                <FontAwesomeIcon icon={faForward}  size="xl"/>
+                <FontAwesomeIcon icon={faForward} size="xl" />
                &nbsp;
                Show latest {latestFeed.length - 1} notes
            </div>)}
            {mainFeed.map(eventElement)}
-            <LoadMore onLoadMore={loadMore} shouldLoadMore={main.end}/>
+            <LoadMore onLoadMore={loadMore} shouldLoadMore={main.end} />
        </div>
    );
 }
--- a/src/Element/Zap.css
+++ b/src/Element/Zap.css
@ -0,0 +1,84 @@
+.zap {
+  min-height: unset;
+}
+
+@media (max-width: 520px) {
+  .zap .header {
+    flex-direction: column;
+  }
+  .zap .header .pfp {
+    width: 100%;
+    padding: 4px;
+  }
+  .zap .header .amount {
+    font-size: 32px;
+  }
+}
+
+.zap .summary {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+}
+
+.zap .amount {
+  font-size: 18px;
+}
+
+.zap .amount:before {
+  content: '⚡️ ';
+}
+
+.top-zap .amount:before {
+  content: '';
+}
+
+.zaps-summary {
+  margin-top: 8px;
+  display: flex;
+  flex-direction: row;
+  align-items: center;
+  justify-content: center;
+}
+
+.top-zap {
+  font-size: 14px;
+  border: none;
+  margin: 0;
+}
+
+.top-zap .pfp {
+  margin-right: .3em;
+}
+
+.top-zap .summary {
+  display: flex;
+  flex-direction: row;
+  align-items: center;
+  justify-content: center;
+}
+
+.top-zap .avatar {
+  width: 21px;
+  height: 21px;
+}
+
+.top-zap .nip05 {
+  display: none;
+}
+
+.amount-number {
+  font-weight: bold;
+}
+
+.rest-zaps:before {
+  content: ", ";
+}
+
+.note.zap > .header {
+  align-items: center;
+}
+
+.note.zap > .body {
+  margin-bottom: 0;
+}
--- a/src/Element/Zap.tsx
+++ b/src/Element/Zap.tsx
@ -0,0 +1,155 @@
+import "./Zap.css";
+import { useMemo } from "react";
+import { useSelector } from "react-redux";
+// @ts-expect-error
+import { decode as invoiceDecode } from "light-bolt11-decoder";
+import { bytesToHex } from "@noble/hashes/utils";
+import { sha256 } from "Util";
+
+//import { sha256 } from "Util";
+import { formatShort } from "Number";
+import { HexKey, TaggedRawEvent } from "Nostr";
+import Event from "Nostr/Event";
+import Text from "Element/Text";
+import ProfileImage from "Element/ProfileImage";
+import { RootState } from "State/Store";
+
+function findTag(e: TaggedRawEvent, tag: string) {
+  const maybeTag = e.tags.find((evTag) => {
+    return evTag[0] === tag
+  })
+  return maybeTag && maybeTag[1]
+}
+
+function getInvoice(zap: TaggedRawEvent) {
+  const bolt11 = findTag(zap, 'bolt11')
+  const decoded = invoiceDecode(bolt11)
+
+  const amount = decoded.sections.find((section: any) => section.name === 'amount')?.value
+  const hash = decoded.sections.find((section: any) => section.name === 'description_hash')?.value;
+
+  return { amount, hash: hash ? bytesToHex(hash) : undefined };
+}
+
+interface Zapper {
+  pubkey?: HexKey,
+  isValid: boolean
+}
+
+function getZapper(zap: TaggedRawEvent, dhash: string): Zapper {
+  const zapRequest = findTag(zap, 'description')
+  if (zapRequest) {
+    const rawEvent: TaggedRawEvent = JSON.parse(zapRequest);
+    if (Array.isArray(rawEvent)) {
+      // old format, ignored
+      return { isValid: false };
+    }
+    const metaHash = sha256(zapRequest);
+    const ev = new Event(rawEvent)
+    return { pubkey: ev.PubKey, isValid: dhash === metaHash };
+  }
+  return { isValid: false }
+}
+
+interface ParsedZap {
+  id: HexKey
+  e?: HexKey
+  p: HexKey
+  amount: number
+  content: string
+  zapper?: HexKey
+  valid: boolean
+}
+
+export function parseZap(zap: TaggedRawEvent): ParsedZap {
+  const { amount, hash } = getInvoice(zap)
+  const zapper = hash ? getZapper(zap, hash) : { isValid: false };
+  const e = findTag(zap, 'e')
+  const p = findTag(zap, 'p')!
+  return {
+    id: zap.id,
+    e,
+    p,
+    amount: Number(amount) / 1000,
+    zapper: zapper.pubkey,
+    content: zap.content,
+    valid: zapper.isValid,
+  }
+}
+
+const Zap = ({ zap, showZapped = true }: { zap: ParsedZap, showZapped?: boolean }) => {
+  const { amount, content, zapper, valid, p } = zap
+  const pubKey = useSelector((s: RootState) => s.login.publicKey)
+
+  return valid ? (
+    <div className="zap note card">
+      <div className="header">
+        {zapper ? <ProfileImage pubkey={zapper} /> : <div>Anon&nbsp;</div>}
+        {p !== pubKey && showZapped && <ProfileImage pubkey={p} />}
+        <div className="amount">
+          <span className="amount-number">{formatShort(amount)}</span> sats
+        </div>
+      </div>
+      <div className="body">
+        <Text
+          creator={zapper || ""}
+          content={content}
+          tags={[]}
+          users={new Map()}
+        />
+      </div>
+    </div>
+  ) : null
+}
+
+interface ZapsSummaryProps { zaps: ParsedZap[] }
+
+export const ZapsSummary = ({ zaps }: ZapsSummaryProps) => {
+  const sortedZaps = useMemo(() => {
+    const pub = [...zaps.filter(z => z.zapper)]
+    const priv = [...zaps.filter(z => !z.zapper)]
+    pub.sort((a, b) => b.amount - a.amount)
+    return pub.concat(priv)
+  }, [zaps])
+
+  if (zaps.length === 0) {
+    return null
+  }
+
+  const [topZap, ...restZaps] = sortedZaps
+  const restZapsTotal = restZaps.reduce((acc, z) => acc + z.amount, 0)
+  const { zapper, amount, content, valid } = topZap
+
+  return (
+    <div className="zaps-summary">
+      {amount && (
+        <div className={`top-zap`}>
+          <div className="summary">
+            {zapper ? <ProfileImage pubkey={zapper} /> : <div>Anon&nbsp;</div>}
+            <div className="amount">
+              zapped <span className="amount-number">{formatShort(amount)}</span> sats
+            </div>
+          </div>
+          <div className="body">
+            {content && (
+              <Text
+                creator={zapper || ""}
+                content={content}
+                tags={[]}
+                users={new Map()}
+              />
+            )}
+          </div>
+        </div>
+      )}
+      {restZapsTotal > 0 && (
+        <div className="rest-zaps">
+          {restZaps.length} other{restZaps.length > 1 ? 's' : ''} zapped&nbsp;
+          <span className="amount-number">{formatShort(restZapsTotal)}</span> sats
+        </div>
+      )}
+    </div>
+  )
+}
+
+export default Zap
--- a/src/Element/ZapButton.tsx
+++ b/src/Element/ZapButton.tsx
@ -19,7 +19,7 @@ const ZapButton = ({ pubkey, svc }: { pubkey?: HexKey, svc?: string }) => {
            <div className="zap-button" onClick={(e) => setZap(true)}>
                <FontAwesomeIcon icon={faBolt} />
            </div>
-            <LNURLTip svc={service} show={zap} onClose={() => setZap(false)} />
+            <LNURLTip svc={service} show={zap} onClose={() => setZap(false)} author={pubkey} />
        </>
    )
 }
--- a/src/Feed/EventPublisher.ts
+++ b/src/Feed/EventPublisher.ts
@ -144,6 +144,24 @@ export default function useEventPublisher() {
                return await signEvent(ev);
            }
        },
+        zap: async (author: HexKey, note?: HexKey, msg?: string) => {
+            if (pubKey) {
+                let ev = NEvent.ForPubKey(pubKey);
+                ev.Kind = EventKind.ZapRequest;
+                if (note) {
+                  // @ts-ignore
+                  ev.Tags.push(new Tag(["e", note]))
+                }
+                // @ts-ignore
+                ev.Tags.push(new Tag(["p", author]))
+                // @ts-ignore
+                const relayTag = ['relays', ...Object.keys(relays).slice(0, 10)]
+                // @ts-ignore
+                ev.Tags.push(new Tag(relayTag))
+                processContent(ev, msg || '');
+                return await signEvent(ev);
+            }
+       },
        /**
         * Reply to a note
         */
--- a/src/Feed/LoginFeed.ts
+++ b/src/Feed/LoginFeed.ts
@ -41,6 +41,7 @@ export default function useLoginFeed() {

    let sub = new Subscriptions();
    sub.Id = "login:notifications";
+    // todo: add zaps
    sub.Kinds = new Set([EventKind.TextNote]);
    sub.PTags = new Set([pubKey]);
    sub.Limit = 1;
--- a/src/Feed/ThreadFeed.ts
+++ b/src/Feed/ThreadFeed.ts
@ -31,7 +31,7 @@ export default function useThreadFeed(id: u256) {

        // get replies to this event
        const subRelated = new Subscriptions();
-        subRelated.Kinds = new Set(pref.enableReactions ? [EventKind.Reaction, EventKind.TextNote, EventKind.Deletion, EventKind.Repost] : [EventKind.TextNote]);
+        subRelated.Kinds = new Set(pref.enableReactions ? [EventKind.Reaction, EventKind.TextNote, EventKind.Deletion, EventKind.Repost, EventKind.ZapReceipt] : [EventKind.TextNote]);
        subRelated.ETags = thisSub.Ids;
        thisSub.AddSubscription(subRelated);

@ -56,4 +56,4 @@ export default function useThreadFeed(id: u256) {
    }, [main.store]);

    return main.store;
-}
+}
--- a/src/Feed/TimelineFeed.ts
+++ b/src/Feed/TimelineFeed.ts
@ -35,7 +35,7 @@ export default function useTimelineFeed(subject: TimelineSubject, options: Timel

        let sub = new Subscriptions();
        sub.Id = `timeline:${subject.type}:${subject.discriminator}`;
-        sub.Kinds = new Set([EventKind.TextNote, EventKind.Repost]);
+        sub.Kinds = new Set([EventKind.TextNote, EventKind.Repost, EventKind.ZapReceipt]);
        switch (subject.type) {
            case "pubkey": {
                sub.Authors = new Set(subject.items);
@ -107,7 +107,7 @@ export default function useTimelineFeed(subject: TimelineSubject, options: Timel
        if (trackingEvents.length > 0 && pref.enableReactions) {
            sub = new Subscriptions();
            sub.Id = `timeline-related:${subject.type}`;
-            sub.Kinds = new Set([EventKind.Reaction, EventKind.Deletion]);
+            sub.Kinds = new Set([EventKind.Reaction, EventKind.Deletion, EventKind.ZapReceipt]);
            sub.ETags = new Set(trackingEvents);
        }
        return sub ?? null;
--- a/src/Feed/ZapsFeed.ts
+++ b/src/Feed/ZapsFeed.ts
@ -0,0 +1,17 @@
+import { useMemo } from "react";
+import { HexKey } from "Nostr";
+import EventKind from "Nostr/EventKind";
+import { Subscriptions } from "Nostr/Subscriptions";
+import useSubscription from "./Subscription";
+
+export default function useZapsFeed(pubkey: HexKey) {
+    const sub = useMemo(() => {
+        let x = new Subscriptions();
+        x.Id = `zaps:${pubkey}`;
+        x.Kinds = new Set([EventKind.ZapReceipt]);
+        x.PTags = new Set([pubkey]);
+        return x;
+    }, [pubkey]);
+
+    return useSubscription(sub, { leaveOpen: true, cache: true });
+}
--- a/src/Nostr/EventKind.ts
+++ b/src/Nostr/EventKind.ts
@ -10,6 +10,8 @@ const enum EventKind {
    Reaction = 7, // NIP-25
    Auth = 22242, // NIP-42
    Lists = 30000, // NIP-51
+    ZapRequest = 9734, // NIP tba
+    ZapReceipt = 9735 // NIP tba
 };

 export default EventKind;
--- a/src/Number.ts
+++ b/src/Number.ts
@ -4,11 +4,11 @@ const intl = new Intl.NumberFormat("en", {
 });

 export function formatShort(n: number) {
-  if (n < 999) {
+  if (n < 2e3) {
    return n
  } else if (n < 1e8) {
-    return `${intl.format(Math.floor(n / 1e3))}K`
+    return `${intl.format(n / 1e3)}K`
  } else {
-    return `${intl.format(Math.floor(n / 1e6))}M`
+    return `${intl.format(n / 1e6)}M`
  }
 }
--- a/src/Pages/DonatePage.tsx
+++ b/src/Pages/DonatePage.tsx
@ -71,7 +71,10 @@ const DonatePage = () => {
            </p>
            <div className="flex">
                <div className="mr10">Lightning Donation: </div>
-                <ZapButton svc={"donate@snort.social"} />
+                <ZapButton
+                  pubkey={"84de35e2584d2b144aae823c9ed0b0f3deda09648530b93d1a2a146d1dea9864"}
+                  svc={"donate@snort.social"}
+                />
            </div>
            {today && (<small>Total today (UTC): {today.donations.toLocaleString()} sats</small>)}
            <h3>Primary Developers</h3>
--- a/src/Pages/ProfilePage.css
+++ b/src/Pages/ProfilePage.css
@ -213,3 +213,8 @@
 .qr-modal .modal-body {
  width: unset;
 }
+
+.profile .zap-amount {
+  font-weight: normal;
+  margin-left: 4px;
+}
--- a/src/Pages/ProfilePage.tsx
+++ b/src/Pages/ProfilePage.tsx
@ -4,11 +4,14 @@ import { useEffect, useMemo, useState } from "react";
 import { useSelector } from "react-redux";
 import { useNavigate, useParams } from "react-router-dom";

+import { formatShort } from "Number";
 import Link from "Icons/Link";
 import Qr from "Icons/Qr";
 import Zap from "Icons/Zap";
 import Envelope from "Icons/Envelope";
 import { useUserProfile } from "Feed/ProfileFeed";
+import useZapsFeed from "Feed/ZapsFeed";
+import { default as ZapElement, parseZap } from "Element/Zap";
 import FollowButton from "Element/FollowButton";
 import { extractLnAddress, parseId, hexToBech32 } from "Util";
 import Avatar from "Element/Avatar";
@ -36,6 +39,7 @@ enum ProfileTab {
  Reactions = "Reactions",
  Followers = "Followers",
  Follows = "Follows",
+  Zaps = "Zaps",
  Muted = "Muted",
  Blocked = "Blocked"
 };
@ -58,6 +62,13 @@ export default function ProfilePage() {
  const website_url = (user?.website && !user.website.startsWith("http"))
  ? "https://" + user.website
  : user?.website || "";
+  const zapFeed = useZapsFeed(id)
+  const zaps = useMemo(() => {
+    const profileZaps = zapFeed.store.notes.map(parseZap).filter(z => z.valid && z.p === id && !z.e && z.zapper !== id)
+    profileZaps.sort((a, b) => b.amount - a.amount)
+    return profileZaps
+  }, [zapFeed.store.notes, id])
+  const zapsTotal = zaps.reduce((acc, z) => acc + z.amount, 0)

  useEffect(() => {
    setTab(ProfileTab.Notes);
@ -89,7 +100,7 @@ export default function ProfilePage() {
          </div>
        )}

-        <LNURLTip svc={lnurl} show={showLnQr} onClose={() => setShowLnQr(false)} />
+        <LNURLTip svc={lnurl} show={showLnQr} onClose={() => setShowLnQr(false)} author={id} />
      </div>
    )
  }
@ -109,6 +120,14 @@ export default function ProfilePage() {
    switch (tab) {
      case ProfileTab.Notes:
        return <Timeline key={id} subject={{ type: "pubkey", items: [id], discriminator: id.slice(0, 12) }} postsOnly={false} method={"LIMIT_UNTIL"} ignoreModeration={true} />;
+      case ProfileTab.Zaps: {
+        return (
+          <div className="main-content">
+            {zaps.map(z => <ZapElement showZapped={false} zap={z} />)}
+          </div>
+        )
+      }
+
      case ProfileTab.Follows: {
        if (isMe) {
          return (
@ -163,6 +182,9 @@ export default function ProfilePage() {
          <>
            <IconButton onClick={() => setShowLnQr(true)}>
              <Zap width={14} height={16} />
+              <span className="zap-amount">
+                {zapsTotal > 0 && formatShort(zapsTotal)}
+               </span>
            </IconButton>
            {!loggedOut && (
              <>
@ -205,7 +227,7 @@ export default function ProfilePage() {
        </div>
      </div>
      <div className="tabs">
-        {[ProfileTab.Notes, ProfileTab.Followers, ProfileTab.Follows, ProfileTab.Muted].map(renderTab)}
+        {[ProfileTab.Notes, ProfileTab.Followers, ProfileTab.Follows, ProfileTab.Zaps, ProfileTab.Muted].map(renderTab)}
        {isMe && renderTab(ProfileTab.Blocked)}
      </div>
      {tabContent()}
--- a/src/Util.ts
+++ b/src/Util.ts
@ -1,8 +1,13 @@
 import * as secp from "@noble/secp256k1";
+import { sha256 as hash } from '@noble/hashes/sha256';
 import { bech32 } from "bech32";
-import { HexKey, TaggedRawEvent, u256 } from "Nostr";
+import { HexKey, RawEvent, TaggedRawEvent, u256 } from "Nostr";
 import EventKind from "Nostr/EventKind";

+export const sha256 = (str: string) => {
+  return secp.utils.bytesToHex(hash(str))
+}
+
 export async function openFile(): Promise<File | undefined> {
    return new Promise((resolve, reject) => {
        let elm = document.createElement("input");
@ -156,4 +161,4 @@ export function unixNow() {
 export function debounce(timeout: number, fn: () => void) {
    let t = setTimeout(fn, timeout);
    return () => clearTimeout(t);
-}
+}
--- a/yarn.lock
+++ b/yarn.lock
@ -1569,6 +1569,11 @@
  dependencies:
    eslint-scope "5.1.1"

+"@noble/hashes@^1.2.0":
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/@noble/hashes/-/hashes-1.2.0.tgz#a3150eeb09cc7ab207ebf6d7b9ad311a9bdbed12"
+  integrity sha512-FZfhjEDbT5GRswV3C6uvLPHMiVD6lQBmpoX5+eSiPaMTXte/IKqI5dykDxzZB/WBeK/CDuQRBWarPdi3FNY2zQ==
+
 "@noble/secp256k1@^1.7.0":
  version "1.7.1"
  resolved "https://registry.yarnpkg.com/@noble/secp256k1/-/secp256k1-1.7.1.tgz#b251c70f824ce3ca7f8dc3df08d58f005cc0507c"