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feat(base): NostrTransportService — nip44 v2 kind-21000 RPC client for LNbits

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Generic client for LNbits's nostr-transport (landed upstream Sun May
24, commit f235966c). Encrypts a request envelope to the server's
transport pubkey with NIP-44 v2, signs a kind-21000 event with the
current user's Nostr key, publishes via RelayHub, and listens for a
signed response addressed back to us. Shards (Lightning.Pub's
`{part, index, totalShards, shardsId}` wrapper) are reassembled
before parsing.

Activities ticket scanner is the first consumer; wallet ops + event
CRUD are obvious next adopters (file as follow-up). Server pubkey
discovery is currently env-var (VITE_LNBITS_NOSTR_TRANSPORT_PUBKEY)
— see also the follow-up to add a `.well-known` discovery endpoint
on LNbits.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Padreug 2026-05-24 16:46:31 +02:00
commit 02c1be0ba7
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7
.env.example
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@ -11,6 +11,13 @@ VITE_API_KEY=your-api-key-here
VITE_LNBITS_DEBUG=false
VITE_WEBSOCKET_ENABLED=true
# LNbits Nostr-transport server pubkey (kind-21000 RPC endpoint).
# Logged by the LNbits server at startup:
# `Nostr transport: starting with pubkey <hex>... on N relay(s)`
# Required for the activities ticket scanner; legacy HTTP path still
# works without it.
VITE_LNBITS_NOSTR_TRANSPORT_PUBKEY=
# Lightning Address Domain (optional)
# Override the domain used for Lightning Addresses
# If not set, domain will be extracted from VITE_LNBITS_BASE_URL