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nip19/nip49: remove nrelay and move bech32 string guard methods from core to nip19.

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This commit is contained in:
fiatjaf
2024-09-09 14:20:12 -03:00
parent ee76d69b4b
commit 45b25c5bf5
6 changed files with 22 additions and 52 deletions
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39
nip19.ts
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@@ -2,7 +2,26 @@ import { bytesToHex, concatBytes, hexToBytes } from '@noble/hashes/utils'
import { bech32 } from '@scure/base'
import { utf8Decoder, utf8Encoder } from './utils.ts'
import { NAddr, NEvent, Note, NProfile, NPub, NRelay, NSec } from './core.ts'
export type NProfile = `nprofile1${string}`
export type NRelay = `nrelay1${string}`
export type NEvent = `nevent1${string}`
export type NAddr = `naddr1${string}`
export type NSec = `nsec1${string}`
export type NPub = `npub1${string}`
export type Note = `note1${string}`
export type Ncryptsec = `ncryptsec1${string}`
export const NostrTypeGuard = {
isNProfile: (value?: string | null): value is NProfile => /^nprofile1[a-z\d]+$/.test(value || ''),
isNRelay: (value?: string | null): value is NRelay => /^nrelay1[a-z\d]+$/.test(value || ''),
isNEvent: (value?: string | null): value is NEvent => /^nevent1[a-z\d]+$/.test(value || ''),
isNAddr: (value?: string | null): value is NAddr => /^naddr1[a-z\d]+$/.test(value || ''),
isNSec: (value?: string | null): value is NSec => /^nsec1[a-z\d]{58}$/.test(value || ''),
isNPub: (value?: string | null): value is NPub => /^npub1[a-z\d]{58}$/.test(value || ''),
isNote: (value?: string | null): value is Note => /^note1[a-z\d]+$/.test(value || ''),
isNcryptsec: (value?: string | null): value is Note => /^ncryptsec1[a-z\d]+$/.test(value || ''),
}
export const Bech32MaxSize = 5000
@@ -46,7 +65,6 @@ export type AddressPointer = {
type Prefixes = {
nprofile: ProfilePointer
nrelay: string
nevent: EventPointer
naddr: AddressPointer
nsec: Uint8Array
@@ -120,16 +138,6 @@ export function decode(nip19: string): DecodeResult {
}
}
case 'nrelay': {
let tlv = parseTLV(data)
if (!tlv[0]?.[0]) throw new Error('missing TLV 0 for nrelay')
return {
type: 'nrelay',
data: utf8Decoder.decode(tlv[0][0]),
}
}
case 'nsec':
return { type: prefix, data }
@@ -217,13 +225,6 @@ export function naddrEncode(addr: AddressPointer): NAddr {
return encodeBech32('naddr', data)
}
export function nrelayEncode(url: string): NRelay {
let data = encodeTLV({
0: [utf8Encoder.encode(url)],
})
return encodeBech32('nrelay', data)
}
function encodeTLV(tlv: TLV): Uint8Array {
let entries: Uint8Array[] = []