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parse tokens

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This commit is contained in:
callebtc
2023-04-04 22:29:21 +02:00
committed by Kieran
parent ca1bb86036
commit 4f8f472e84
5 changed files with 2042 additions and 1942 deletions
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69
packages/app/src/Element/Text.tsx
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@ -4,11 +4,13 @@ import { Link, useLocation } from "react-router-dom";
import ReactMarkdown from "react-markdown";
import { visit, SKIP } from "unist-util-visit";
import * as unist from "unist";
import base64 from "@protobufjs/base64";
import { HexKey, NostrPrefix } from "@snort/nostr";
import { MentionRegex, InvoiceRegex, HashtagRegex, Base64Regex } from "Const";
import { eventLink, hexToBech32, splitByUrl, unwrap, validateNostrLink } from "Util";
import { getDecodedToken } from "@cashu/cashu-ts";
import { FormattedMessage } from "react-intl";
import { MentionRegex, InvoiceRegex, HashtagRegex, CashuRegex } from "Const";
import { eventLink, hexToBech32, splitByUrl, unwrap } from "Util";
import Invoice from "Element/Invoice";
import Hashtag from "Element/Hashtag";
import Mention from "Element/Mention";
@ -69,33 +71,46 @@ export default function Text({ content, tags, creator, disableMedia, depth }: Te
.flat();
}
function extractBase64Strings(fragments: Fragment[]) {
function extractCashuTokens(fragments: Fragment[]) {
async function copyToken(token: string) {
await navigator.clipboard.writeText(token);
}
async function redeemToken(token: string) {
const url = `https://redeem.cashu.me?token=${encodeURIComponent(token)}&lightning=${encodeURIComponent(
"callebtc@ln.tips"
)}`;
window.open(url, "_blank");
}
return fragments
.map(f => {
if (typeof f === "string") {
return f.split(Base64Regex).map(a => {
const parsed = base64.test(a);
if (parsed && a.length > 0) {
const buff = new Uint8Array(3 * (a.length / 4));
const len = base64.decode(a, buff, 0);
const text = new TextDecoder().decode(buff.slice(0, len));
if (text.startsWith("{") && text.endsWith("}") && text.includes("proofs")) {
const data = JSON.parse(text) as {
proofs: [
{
amount: number;
}
];
};
return (
<div className="note-invoice">
<h4>Cashu tokens</h4>
<p>Amount: {data.proofs.reduce((acc, v) => (acc += v.amount), 0)} sats</p>
</div>
);
}
if (typeof f === "string" && f.includes("cashuA")) {
return f.split(CashuRegex).map(a => {
if (!a.startsWith("cashuA") || a.length < 10) {
return a;
}
const cashu = getDecodedToken(a);
if (cashu && cashu.token[0].proofs) {
return (
<div className="note-invoice">
<div className="flex f-between">
<div>
<h4>Cashu token</h4>
<p>Amount: {cashu.token[0].proofs.reduce((acc, v) => (acc += v.amount), 0)} sats</p>
<p style={{ fontSize: "0.7em" }}>Mint: {cashu.token[0].mint}</p>
</div>
<div style={{ marginLeft: "auto" }}>
<button type="button" onClick={() => copyToken(a)}>
<FormattedMessage defaultMessage="Copy" description="Button: Copy Cashu token" />
</button>
<button type="button" onClick={() => redeemToken(a)}>
<FormattedMessage defaultMessage="Redeem" description="Button: Redeem Cashu token" />
</button>
</div>
</div>
</div>
);
}
return a;
});
}
@ -199,7 +214,7 @@ export default function Text({ content, tags, creator, disableMedia, depth }: Te
fragments = extractLinks(fragments);
fragments = extractInvoices(fragments);
fragments = extractHashtags(fragments);
fragments = extractBase64Strings(fragments);
fragments = extractCashuTokens(fragments);
return fragments;
}