create daemon
This commit is contained in:
Your Name
196
thrower_daemon/node_modules/nostr-tools/lib/esm/nip19.js
generated
vendored
Normal file
196
thrower_daemon/node_modules/nostr-tools/lib/esm/nip19.js
generated
vendored
Normal file
@@ -0,0 +1,196 @@
|
||||
// nip19.ts
|
||||
import { bytesToHex as bytesToHex2, concatBytes, hexToBytes as hexToBytes2 } from "@noble/hashes/utils";
|
||||
import { bech32 } from "@scure/base";
|
||||
|
||||
// utils.ts
|
||||
import { bytesToHex, hexToBytes } from "@noble/hashes/utils";
|
||||
var utf8Decoder = new TextDecoder("utf-8");
|
||||
var utf8Encoder = new TextEncoder();
|
||||
|
||||
// nip19.ts
|
||||
var NostrTypeGuard = {
|
||||
isNProfile: (value) => /^nprofile1[a-z\d]+$/.test(value || ""),
|
||||
isNEvent: (value) => /^nevent1[a-z\d]+$/.test(value || ""),
|
||||
isNAddr: (value) => /^naddr1[a-z\d]+$/.test(value || ""),
|
||||
isNSec: (value) => /^nsec1[a-z\d]{58}$/.test(value || ""),
|
||||
isNPub: (value) => /^npub1[a-z\d]{58}$/.test(value || ""),
|
||||
isNote: (value) => /^note1[a-z\d]+$/.test(value || ""),
|
||||
isNcryptsec: (value) => /^ncryptsec1[a-z\d]+$/.test(value || "")
|
||||
};
|
||||
var Bech32MaxSize = 5e3;
|
||||
var BECH32_REGEX = /[\x21-\x7E]{1,83}1[023456789acdefghjklmnpqrstuvwxyz]{6,}/;
|
||||
function integerToUint8Array(number) {
|
||||
const uint8Array = new Uint8Array(4);
|
||||
uint8Array[0] = number >> 24 & 255;
|
||||
uint8Array[1] = number >> 16 & 255;
|
||||
uint8Array[2] = number >> 8 & 255;
|
||||
uint8Array[3] = number & 255;
|
||||
return uint8Array;
|
||||
}
|
||||
function decodeNostrURI(nip19code) {
|
||||
try {
|
||||
if (nip19code.startsWith("nostr:"))
|
||||
nip19code = nip19code.substring(6);
|
||||
return decode(nip19code);
|
||||
} catch (_err) {
|
||||
return { type: "invalid", data: null };
|
||||
}
|
||||
}
|
||||
function decode(code) {
|
||||
let { prefix, words } = bech32.decode(code, Bech32MaxSize);
|
||||
let data = new Uint8Array(bech32.fromWords(words));
|
||||
switch (prefix) {
|
||||
case "nprofile": {
|
||||
let tlv = parseTLV(data);
|
||||
if (!tlv[0]?.[0])
|
||||
throw new Error("missing TLV 0 for nprofile");
|
||||
if (tlv[0][0].length !== 32)
|
||||
throw new Error("TLV 0 should be 32 bytes");
|
||||
return {
|
||||
type: "nprofile",
|
||||
data: {
|
||||
pubkey: bytesToHex2(tlv[0][0]),
|
||||
relays: tlv[1] ? tlv[1].map((d) => utf8Decoder.decode(d)) : []
|
||||
}
|
||||
};
|
||||
}
|
||||
case "nevent": {
|
||||
let tlv = parseTLV(data);
|
||||
if (!tlv[0]?.[0])
|
||||
throw new Error("missing TLV 0 for nevent");
|
||||
if (tlv[0][0].length !== 32)
|
||||
throw new Error("TLV 0 should be 32 bytes");
|
||||
if (tlv[2] && tlv[2][0].length !== 32)
|
||||
throw new Error("TLV 2 should be 32 bytes");
|
||||
if (tlv[3] && tlv[3][0].length !== 4)
|
||||
throw new Error("TLV 3 should be 4 bytes");
|
||||
return {
|
||||
type: "nevent",
|
||||
data: {
|
||||
id: bytesToHex2(tlv[0][0]),
|
||||
relays: tlv[1] ? tlv[1].map((d) => utf8Decoder.decode(d)) : [],
|
||||
author: tlv[2]?.[0] ? bytesToHex2(tlv[2][0]) : void 0,
|
||||
kind: tlv[3]?.[0] ? parseInt(bytesToHex2(tlv[3][0]), 16) : void 0
|
||||
}
|
||||
};
|
||||
}
|
||||
case "naddr": {
|
||||
let tlv = parseTLV(data);
|
||||
if (!tlv[0]?.[0])
|
||||
throw new Error("missing TLV 0 for naddr");
|
||||
if (!tlv[2]?.[0])
|
||||
throw new Error("missing TLV 2 for naddr");
|
||||
if (tlv[2][0].length !== 32)
|
||||
throw new Error("TLV 2 should be 32 bytes");
|
||||
if (!tlv[3]?.[0])
|
||||
throw new Error("missing TLV 3 for naddr");
|
||||
if (tlv[3][0].length !== 4)
|
||||
throw new Error("TLV 3 should be 4 bytes");
|
||||
return {
|
||||
type: "naddr",
|
||||
data: {
|
||||
identifier: utf8Decoder.decode(tlv[0][0]),
|
||||
pubkey: bytesToHex2(tlv[2][0]),
|
||||
kind: parseInt(bytesToHex2(tlv[3][0]), 16),
|
||||
relays: tlv[1] ? tlv[1].map((d) => utf8Decoder.decode(d)) : []
|
||||
}
|
||||
};
|
||||
}
|
||||
case "nsec":
|
||||
return { type: prefix, data };
|
||||
case "npub":
|
||||
case "note":
|
||||
return { type: prefix, data: bytesToHex2(data) };
|
||||
default:
|
||||
throw new Error(`unknown prefix ${prefix}`);
|
||||
}
|
||||
}
|
||||
function parseTLV(data) {
|
||||
let result = {};
|
||||
let rest = data;
|
||||
while (rest.length > 0) {
|
||||
let t = rest[0];
|
||||
let l = rest[1];
|
||||
let v = rest.slice(2, 2 + l);
|
||||
rest = rest.slice(2 + l);
|
||||
if (v.length < l)
|
||||
throw new Error(`not enough data to read on TLV ${t}`);
|
||||
result[t] = result[t] || [];
|
||||
result[t].push(v);
|
||||
}
|
||||
return result;
|
||||
}
|
||||
function nsecEncode(key) {
|
||||
return encodeBytes("nsec", key);
|
||||
}
|
||||
function npubEncode(hex) {
|
||||
return encodeBytes("npub", hexToBytes2(hex));
|
||||
}
|
||||
function noteEncode(hex) {
|
||||
return encodeBytes("note", hexToBytes2(hex));
|
||||
}
|
||||
function encodeBech32(prefix, data) {
|
||||
let words = bech32.toWords(data);
|
||||
return bech32.encode(prefix, words, Bech32MaxSize);
|
||||
}
|
||||
function encodeBytes(prefix, bytes) {
|
||||
return encodeBech32(prefix, bytes);
|
||||
}
|
||||
function nprofileEncode(profile) {
|
||||
let data = encodeTLV({
|
||||
0: [hexToBytes2(profile.pubkey)],
|
||||
1: (profile.relays || []).map((url) => utf8Encoder.encode(url))
|
||||
});
|
||||
return encodeBech32("nprofile", data);
|
||||
}
|
||||
function neventEncode(event) {
|
||||
let kindArray;
|
||||
if (event.kind !== void 0) {
|
||||
kindArray = integerToUint8Array(event.kind);
|
||||
}
|
||||
let data = encodeTLV({
|
||||
0: [hexToBytes2(event.id)],
|
||||
1: (event.relays || []).map((url) => utf8Encoder.encode(url)),
|
||||
2: event.author ? [hexToBytes2(event.author)] : [],
|
||||
3: kindArray ? [new Uint8Array(kindArray)] : []
|
||||
});
|
||||
return encodeBech32("nevent", data);
|
||||
}
|
||||
function naddrEncode(addr) {
|
||||
let kind = new ArrayBuffer(4);
|
||||
new DataView(kind).setUint32(0, addr.kind, false);
|
||||
let data = encodeTLV({
|
||||
0: [utf8Encoder.encode(addr.identifier)],
|
||||
1: (addr.relays || []).map((url) => utf8Encoder.encode(url)),
|
||||
2: [hexToBytes2(addr.pubkey)],
|
||||
3: [new Uint8Array(kind)]
|
||||
});
|
||||
return encodeBech32("naddr", data);
|
||||
}
|
||||
function encodeTLV(tlv) {
|
||||
let entries = [];
|
||||
Object.entries(tlv).reverse().forEach(([t, vs]) => {
|
||||
vs.forEach((v) => {
|
||||
let entry = new Uint8Array(v.length + 2);
|
||||
entry.set([parseInt(t)], 0);
|
||||
entry.set([v.length], 1);
|
||||
entry.set(v, 2);
|
||||
entries.push(entry);
|
||||
});
|
||||
});
|
||||
return concatBytes(...entries);
|
||||
}
|
||||
export {
|
||||
BECH32_REGEX,
|
||||
Bech32MaxSize,
|
||||
NostrTypeGuard,
|
||||
decode,
|
||||
decodeNostrURI,
|
||||
encodeBytes,
|
||||
naddrEncode,
|
||||
neventEncode,
|
||||
noteEncode,
|
||||
nprofileEncode,
|
||||
npubEncode,
|
||||
nsecEncode
|
||||
};
|
||||
Reference in New Issue
Block a user