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feat: render embed for zapstr replies

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Kieran
2023-05-15 13:52:29 +01:00
parent 323d4e761e
commit d8fc92fafc
10 changed files with 33 additions and 39 deletions
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12
packages/nostr/src/legacy/Links.ts
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@ -27,13 +27,9 @@ export interface TLVEntry {
value: string | HexKey | number;
}
export function encodeTLV(hex: string, prefix: NostrPrefix, relays?: string[], kind?: number) {
if (typeof hex !== "string" || hex.length === 0 || hex.length % 2 !== 0) {
return "";
}
export function encodeTLV(prefix: NostrPrefix, id: string, relays?: string[], kind?: number, author?: string) {
const enc = new TextEncoder();
const buf = secp.utils.hexToBytes(hex);
const buf = prefix === NostrPrefix.Address ? enc.encode(id) : secp.utils.hexToBytes(id);
const tl0 = [0, buf.length, ...buf];
const tl1 =
@ -43,9 +39,11 @@ export function encodeTLV(hex: string, prefix: NostrPrefix, relays?: string[], k
return [1, data.length, ...data];
})
.flat() ?? [];
const tl2 = author ? [2, 32, ...secp.utils.hexToBytes(author)] : [];
const tl3 = kind ? [3, 4, ...new Uint8Array(new Uint32Array([kind]).buffer).reverse()] : []
return bech32.encode(prefix, bech32.toWords([...tl0, ...tl1, ...tl3]), 1_000);
return bech32.encode(prefix, bech32.toWords([...tl0, ...tl1, ...tl2, ...tl3]), 1_000);
}
export function decodeTLV(str: string) {