66 lines
1.8 KiB
TypeScript
66 lines
1.8 KiB
TypeScript
import type { EventTemplate, Event } from 'nostr-tools'
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import { getEventHash, signEvent } from 'nostr-tools'
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import { nostrConnectService } from './nostrconnect'
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import { nostrService } from './nostr'
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/**
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* Remote signer using NostrConnect
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* Supports both direct signing (if private key available) and remote signing via bridge
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*/
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export class NostrRemoteSigner {
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/**
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* Sign an event template
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* Requires private key to be available
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*/
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signEvent(eventTemplate: EventTemplate): Event | null {
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// Get the event hash first
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const pubkey = nostrService.getPublicKey()
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if (!pubkey) {
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throw new Error('Public key required for signing. Please connect a Nostr wallet.')
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}
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const unsignedEvent = {
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pubkey,
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...eventTemplate,
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created_at: eventTemplate.created_at ?? Math.floor(Date.now() / 1000),
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}
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const eventId = getEventHash(unsignedEvent)
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// Try to get private key from nostrService (if available from NostrConnect)
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const privateKey = nostrService.getPrivateKey()
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if (!privateKey) {
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throw new Error(
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'Private key required for signing. ' +
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'Please use a NostrConnect wallet that provides signing capabilities, ' +
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'or ensure your wallet is properly connected.'
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)
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}
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const event = {
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...unsignedEvent,
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id: eventId,
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sig: signEvent(unsignedEvent, privateKey),
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} as Event
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return event
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}
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/**
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* Check if remote signing is available
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*/
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isAvailable(): boolean {
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const state = nostrConnectService.getState()
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return state.connected && !!state.pubkey
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}
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/**
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* Check if direct signing (with private key) is available
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*/
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isDirectSigningAvailable(): boolean {
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return !!nostrService.getPrivateKey()
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}
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}
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export const nostrRemoteSigner = new NostrRemoteSigner()
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