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nip19: add bech32 TLV url parsing

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Create shortened URLs for bech32 with TLV data strings. Additionally,
upon clicking on an nevent URL the user is directed to the note.

Lightning-url: LNURL1DP68GURN8GHJ7EM9W3SKCCNE9E3K7MF0D3H82UNVWQHKWUN9V4HXGCTHDC6RZVGR8SW3G
Signed-off-by: kernelkind <kernelkind@gmail.com>
Reviewed-by: William Casarin <jb55@jb55.com>
Signed-off-by: William Casarin <jb55@jb55.com>
This commit is contained in:
kernelkind
2024-01-18 14:59:27 -05:00
committed by William Casarin
parent af75eed83a
commit d07ad67778
9 changed files with 285 additions and 88 deletions
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46
damus/Types/Block.swift
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@@ -150,47 +150,18 @@ fileprivate extension Block {
self = .invoice(Invoice(description: description, amount: amount, string: invstr, expiry: b11.expiry, payment_hash: payment_hash, created_at: created_at))
}
}
fileprivate extension Block {
/// Failable initializer for the C-backed type `mention_bech32_block_t`. This initializer will inspect the
/// bech32 type code and build the appropriate enum type.
init?(bech32 b: mention_bech32_block_t) {
switch b.bech32.type {
case NOSTR_BECH32_NOTE:
let note = b.bech32.data.note;
let note_id = NoteId(Data(bytes: note.event_id, count: 32))
self = .mention(.any(.note(note_id)))
case NOSTR_BECH32_NEVENT:
let nevent = b.bech32.data.nevent;
let note_id = NoteId(Data(bytes: nevent.event_id, count: 32))
self = .mention(.any(.note(note_id)))
case NOSTR_BECH32_NPUB:
let npub = b.bech32.data.npub
let pubkey = Pubkey(Data(bytes: npub.pubkey, count: 32))
self = .mention(.any(.pubkey(pubkey)))
case NOSTR_BECH32_NSEC:
let nsec = b.bech32.data.nsec
let privkey = Privkey(Data(bytes: nsec.nsec, count: 32))
guard let pubkey = privkey_to_pubkey(privkey: privkey) else { return nil }
self = .mention(.any(.pubkey(pubkey)))
case NOSTR_BECH32_NPROFILE:
let nprofile = b.bech32.data.nprofile
let pubkey = Pubkey(Data(bytes: nprofile.pubkey, count: 32))
self = .mention(.any(.pubkey(pubkey)))
case NOSTR_BECH32_NRELAY:
let nrelay = b.bech32.data.nrelay
guard let relay_str = String(nrelay.relay) else {
return nil
}
self = .relay(relay_str)
case NOSTR_BECH32_NADDR:
// TODO: wtf do I do with this
guard let naddr = String(b.str) else {
return nil
}
self = .text("nostr:" + naddr)
default:
guard let decoded = decodeCBech32(b.bech32) else {
return nil
}
guard let ref = decoded.toMentionRef() else {
return nil
}
self = .mention(.any(ref))
}
}
extension Block {
@@ -201,10 +172,7 @@ extension Block {
return "#[\(idx)]"
}
switch m.ref {
case .pubkey(let pk): return "nostr:\(pk.npub)"
case .note(let note_id): return "nostr:\(note_id.bech32)"
}
return "nostr:" + Bech32Object.encode(m.ref.toBech32Object())
case .relay(let relay):
return relay
case .text(let txt):