43 lines
844 B
JavaScript
43 lines
844 B
JavaScript
import * as secp256k1 from '@noble/secp256k1'
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import {sha256} from './utils'
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export function getBlankEvent() {
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return {
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kind: 255,
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pubkey: null,
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content: '',
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tags: [],
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created_at: 0
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}
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}
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export function serializeEvent(evt) {
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return JSON.stringify([
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0,
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evt.pubkey,
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evt.created_at,
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evt.kind,
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evt.tags || [],
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evt.content
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])
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}
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export async function getEventHash(event) {
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let eventHash = await sha256(Buffer.from(serializeEvent(event)))
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return Buffer.from(eventHash).toString('hex')
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}
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export async function verifySignature(event) {
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return await secp256k1.schnorr.verify(
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event.sig,
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await getEventHash(event),
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event.pubkey
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)
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}
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export async function signEvent(event, key) {
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let eventHash = await getEventHash(event)
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return await secp256k1.schnorr.sign(eventHash, key)
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}
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