mirror of
https://github.com/fiatjaf/nak.git
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82 lines
2.1 KiB
JavaScript
82 lines
2.1 KiB
JavaScript
import React, {useState, useEffect} from 'react'
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import useBooleanState from 'use-boolean-state'
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import useComputedState from 'use-computed-state'
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import {
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getPublicKey,
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getEventHash,
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serializeEvent,
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verifySignature,
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signEvent
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} from 'nostr-tools'
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import Item from '../components/item'
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export default function EventSigning({value}) {
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let [privateKey, setPrivateKey] = useState(
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'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'
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)
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let [isValidSignature, signatureGood, signatureBad] = useBooleanState(false)
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let privateKeyIsValid = useComputedState(
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() => privateKey.match(/[a-f0-9]{64}/),
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[privateKey]
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)
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let publicKey = useComputedState(
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() => (privateKeyIsValid ? getPublicKey(privateKey) : null),
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[privateKeyIsValid]
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)
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let signature = useComputedState(async () => {
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evt.pubkey = publicKey
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return await signEvent(evt, privateKey)
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}, [value, privateKey])
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let evt = JSON.parse(value)
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useEffect(() => {
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verifySignature(evt)
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.then(ok => (ok ? signatureGood() : signatureBad()))
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.catch(signatureBad)
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}, [value])
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return (
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<>
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<Item
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label="serialized event"
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hint="according to nip-01 signature algorithm"
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>
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{serializeEvent(evt)}
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</Item>
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<Item label="event id" hint="sha256 hash of serialized event">
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{getEventHash(evt)}
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</Item>
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{evt.sig ? (
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<Item label="signature valid">{isValidSignature.toString()}</Item>
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) : (
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<>
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<Item
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label="private key"
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hint="paste any private key here (32 bytes hex-encoded)"
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>
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<input
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value={privateKey}
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onChange={e => setPrivateKey(e.target.value.toLowerCase())}
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/>{' '}
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{privateKeyIsValid ? 'valid' : 'invalid'}
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</Item>
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<Item label="public key">{publicKey}</Item>
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<Item label="signature">{privateKeyIsValid ? signature : ''}</Item>
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</>
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)}
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</>
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)
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}
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EventSigning.match = value => {
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try {
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let evt = JSON.parse(value)
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return evt.kind && evt.content && evt.tags
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} catch (err) {
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/**/
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}
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return false
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}
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