91 lines
2.5 KiB
TypeScript
91 lines
2.5 KiB
TypeScript
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import { ref } from 'vue'
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import { storeApiKey, getApiKey, deleteApiKey } from '@/utils/key-vault'
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const VAULT_PROVIDER = 'nwc'
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export interface NWCConnection {
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relayUrl: string
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walletPubkey: string
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secret: string
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}
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const isConnected = ref(false)
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const balance = ref<number | null>(null)
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const connectionString = ref<string | null>(null)
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async function loadConnection(): Promise<NWCConnection | null> {
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try {
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const stored = await getApiKey(VAULT_PROVIDER)
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if (stored) {
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connectionString.value = stored
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isConnected.value = true
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return parseConnectionString(stored)
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}
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} catch { /* ignore */ }
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return null
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}
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function parseConnectionString(str: string): NWCConnection | null {
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// Format: nostr+walletconnect://pubkey?relay=wss://...&secret=hex
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try {
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const url = new URL(str)
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const walletPubkey = url.hostname || url.pathname.replace('//', '')
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const relayUrl = url.searchParams.get('relay') ?? ''
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const secret = url.searchParams.get('secret') ?? ''
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if (!walletPubkey || !relayUrl || !secret) return null
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return { relayUrl, walletPubkey, secret }
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} catch {
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return null
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}
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}
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export function useNWC() {
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async function connect(nwcString: string): Promise<boolean> {
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const parsed = parseConnectionString(nwcString)
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if (!parsed) return false
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await storeApiKey(VAULT_PROVIDER, nwcString)
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connectionString.value = nwcString
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isConnected.value = true
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return true
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}
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async function disconnect() {
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await deleteApiKey(VAULT_PROVIDER)
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connectionString.value = null
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isConnected.value = false
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balance.value = null
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}
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async function getBalance(): Promise<number | null> {
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const conn = await loadConnection()
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if (!conn) return null
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// NIP-47: Send get_balance request via relay
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// This is a simplified version — full implementation needs NIP-47 event signing
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return null
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}
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async function payInvoice(bolt11: string): Promise<{ success: boolean; preimage?: string; error?: string }> {
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const conn = await loadConnection()
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if (!conn) return { success: false, error: 'Not connected' }
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// NIP-47: Send pay_invoice request via relay
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// Full implementation requires NIP-47 event creation and signing with the secret
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return { success: false, error: 'NWC pay requires NIP-47 event signing' }
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}
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// Load on init
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loadConnection()
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return {
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isConnected,
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balance,
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connectionString,
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connect,
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disconnect,
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getBalance,
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payInvoice,
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}
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}
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