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fix: tlv max length

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kieran
2024-09-16 12:30:00 +01:00
parent b0d2081b45
commit 0fc99a2a53
2 changed files with 7 additions and 14 deletions
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9
packages/system/src/links.ts
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@ -30,6 +30,9 @@ export interface TLVEntry {
value: string | HexKey | number; value: string | HexKey | number;
} }
// Max length of any nostr link in chars
const MaxLength = 10_000;
export function encodeTLV(prefix: NostrPrefix, id: string, relays?: string[], kind?: number, author?: string) { export function encodeTLV(prefix: NostrPrefix, id: string, relays?: string[], kind?: number, author?: string) {
const enc = new TextEncoder(); const enc = new TextEncoder();
const buf = prefix === NostrPrefix.Address ? enc.encode(id) : utils.hexToBytes(id); const buf = prefix === NostrPrefix.Address ? enc.encode(id) : utils.hexToBytes(id);
@ -46,7 +49,7 @@ export function encodeTLV(prefix: NostrPrefix, id: string, relays?: string[], ki
const tl2 = author ? [2, 32, ...utils.hexToBytes(author)] : []; const tl2 = author ? [2, 32, ...utils.hexToBytes(author)] : [];
const tl3 = kind ? [3, 4, ...new Uint8Array(new Uint32Array([kind]).buffer).reverse()] : []; const tl3 = kind ? [3, 4, ...new Uint8Array(new Uint32Array([kind]).buffer).reverse()] : [];
return bech32.encode(prefix, bech32.toWords(new Uint8Array([...tl0, ...tl1, ...tl2, ...tl3])), 1_000); return bech32.encode(prefix, bech32.toWords(new Uint8Array([...tl0, ...tl1, ...tl2, ...tl3])), MaxLength);
} }
export function encodeTLVEntries(prefix: NostrPrefix, ...entries: Array<TLVEntry>) { export function encodeTLVEntries(prefix: NostrPrefix, ...entries: Array<TLVEntry>) {
@ -80,11 +83,11 @@ export function encodeTLVEntries(prefix: NostrPrefix, ...entries: Array<TLVEntry
} }
} }
} }
return bech32.encode(prefix, bech32.toWords(new Uint8Array(buffers)), 1_000); return bech32.encode(prefix, bech32.toWords(new Uint8Array(buffers)), MaxLength);
} }
export function decodeTLV(str: string) { export function decodeTLV(str: string) {
const decoded = bech32.decode(str, 1_000); const decoded = bech32.decode(str, MaxLength);
const data = bech32.fromWords(decoded.words); const data = bech32.fromWords(decoded.words);
const entries: TLVEntry[] = []; const entries: TLVEntry[] = [];

12
packages/system/src/nostr-link.ts
View File

@ -1,15 +1,5 @@
import { bech32ToHex, hexToBech32, isHex, removeUndefined, unwrap, Bech32Regex } from "@snort/shared"; import { bech32ToHex, hexToBech32, isHex, removeUndefined, unwrap, Bech32Regex } from "@snort/shared";
import { import { decodeTLV, encodeTLV, EventExt, EventKind, NostrEvent, NostrPrefix, TaggedNostrEvent, TLVEntryType } from ".";
decodeTLV,
encodeTLV,
EventExt,
EventKind,
NostrEvent,
NostrPrefix,
Tag,
TaggedNostrEvent,
TLVEntryType,
} from ".";
import { findTag } from "./utils"; import { findTag } from "./utils";
/** /**