mirror of
https://github.com/vitorpamplona/Nostryfied.git
synced 2025-04-19 18:31:17 +00:00
order of functions
This commit is contained in:
Vitor Pamplona
parent
23a501f0e3
commit
0d8073db51
@ -1,434 +1,436 @@
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// from https://github.com/paulmillr/noble-secp256k1/blob/main/index.ts#L803
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function hexToBytes(hex) {
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if (typeof hex !== 'string') {
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throw new TypeError('hexToBytes: expected string, got ' + typeof hex)
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}
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if (hex.length % 2)
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throw new Error('hexToBytes: received invalid unpadded hex' + hex.length)
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const array = new Uint8Array(hex.length / 2)
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for (let i = 0; i < array.length; i++) {
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const j = i * 2
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const hexByte = hex.slice(j, j + 2)
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const byte = Number.parseInt(hexByte, 16)
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if (Number.isNaN(byte) || byte < 0) throw new Error('Invalid byte sequence')
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array[i] = byte
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}
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return array
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if (typeof hex !== 'string') {
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throw new TypeError('hexToBytes: expected string, got ' + typeof hex)
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}
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if (hex.length % 2)
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throw new Error('hexToBytes: received invalid unpadded hex' + hex.length)
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const array = new Uint8Array(hex.length / 2)
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for (let i = 0; i < array.length; i++) {
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const j = i * 2
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const hexByte = hex.slice(j, j + 2)
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const byte = Number.parseInt(hexByte, 16)
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if (Number.isNaN(byte) || byte < 0) throw new Error('Invalid byte sequence')
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array[i] = byte
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}
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return array
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}
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// decode nip19 ('npub') to hex
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const npub2hexa = (npub) => {
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let { prefix, words } = bech32.bech32.decode(npub, 90)
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if (prefix === 'npub') {
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let data = new Uint8Array(bech32.bech32.fromWords(words))
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return buffer.Buffer.from(data).toString('hex')
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}
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}
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// decode nip19 ('npub') to hex
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const npub2hexa = (npub) => {
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let { prefix, words } = bech32.bech32.decode(npub, 90)
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if (prefix === 'npub') {
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let data = new Uint8Array(bech32.bech32.fromWords(words))
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return buffer.Buffer.from(data).toString('hex')
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}
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}
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// encode hex to nip19 ('npub')
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const hexa2npub = (hex) => {
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const data = hexToBytes(hex)
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const words = bech32.bech32.toWords(data)
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const prefix = 'npub'
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return bech32.bech32.encode(prefix, words, 90)
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}
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// encode hex to nip19 ('npub')
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const hexa2npub = (hex) => {
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const data = hexToBytes(hex)
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const words = bech32.bech32.toWords(data)
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const prefix = 'npub'
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return bech32.bech32.encode(prefix, words, 90)
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}
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// parse inserted pubkey
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const parsePubkey = (pubkey) =>
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pubkey.match('npub1') ? npub2hexa(pubkey) : pubkey
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// download js file
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const downloadFile = (data, fileName) => {
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const prettyJs = 'const data = ' + JSON.stringify(data, null, 2)
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const tempLink = document.createElement('a')
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const taBlob = new Blob([prettyJs], { type: 'text/javascript' })
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tempLink.setAttribute('href', URL.createObjectURL(taBlob))
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tempLink.setAttribute('download', fileName)
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tempLink.click()
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// parse inserted pubkey
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const parsePubkey = (pubkey) =>
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pubkey.match('npub1') ? npub2hexa(pubkey) : pubkey
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// download js file
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const downloadFile = (data, fileName) => {
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const prettyJs = 'const data = ' + JSON.stringify(data, null, 2)
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const tempLink = document.createElement('a')
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const taBlob = new Blob([prettyJs], { type: 'text/javascript' })
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tempLink.setAttribute('href', URL.createObjectURL(taBlob))
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tempLink.setAttribute('download', fileName)
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tempLink.click()
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}
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const updateRelayStatus = (relay, status, addToCount, until, relayStatusAndCount) => {
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if (relayStatusAndCount[relay] == undefined) {
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relayStatusAndCount[relay] = {}
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}
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const updateRelayStatus = (relay, status, addToCount, until, relayStatusAndCount) => {
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if (relayStatusAndCount[relay] == undefined) {
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relayStatusAndCount[relay] = {}
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}
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if (status)
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relayStatusAndCount[relay].status = status
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if (status)
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relayStatusAndCount[relay].status = status
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relayStatusAndCount[relay].until = until
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relayStatusAndCount[relay].until = until
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if (relayStatusAndCount[relay].count != undefined)
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relayStatusAndCount[relay].count = relayStatusAndCount[relay].count + addToCount
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else
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relayStatusAndCount[relay].count = addToCount
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if (relayStatusAndCount[relay].count != undefined)
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relayStatusAndCount[relay].count = relayStatusAndCount[relay].count + addToCount
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else
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relayStatusAndCount[relay].count = addToCount
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displayRelayStatus(relayStatusAndCount)
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}
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displayRelayStatus(relayStatusAndCount)
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const displayRelayStatus = (relayStatusAndCount) => {
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if (Object.keys(relayStatusAndCount).length > 0) {
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const newText = Object.keys(relayStatusAndCount).map(
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it => {
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let untilStr = "";
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if (relayStatusAndCount[it].until)
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untilStr = " <" + new Date(relayStatusAndCount[it].until * 1000).toLocaleDateString("en-US")
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const relayName = it.replace("wss://", "").replace("ws://", "")
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const line = "<td>" + relayName + "</td><td>" + relayStatusAndCount[it].status + "</td><td>" + untilStr + "</td><td>" + relayStatusAndCount[it].count + "</td>"
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return "<tr>" +line+ "</tr>"
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}
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).join("<br />")
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$('#checking-relays').html(newText)
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} else {
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$('#checking-relays-header').html("")
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$('#checking-relays').html("")
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}
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}
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const displayRelayStatus = (relayStatusAndCount) => {
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if (Object.keys(relayStatusAndCount).length > 0) {
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const newText = Object.keys(relayStatusAndCount).map(
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it => {
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let untilStr = "";
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// fetch events from relay, returns a promise
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const fetchFromRelay = async (relay, filters, pubkey, events, relayStatus) =>
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new Promise((resolve, reject) => {
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try {
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updateRelayStatus(relay, "Starting", 0, undefined, relayStatus)
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// open websocket
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const ws = new WebSocket(relay)
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if (relayStatusAndCount[it].until)
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untilStr = " <" + new Date(relayStatusAndCount[it].until * 1000).toLocaleDateString("en-US")
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// prevent hanging forever
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let myTimeout = setTimeout(() => {
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ws.close()
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reject(relay)
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}, 10_000)
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const relayName = it.replace("wss://", "").replace("ws://", "")
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const line = "<td>" + relayName + "</td><td>" + relayStatusAndCount[it].status + "</td><td>" + untilStr + "</td><td>" + relayStatusAndCount[it].count + "</td>"
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return "<tr>" +line+ "</tr>"
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}
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).join("<br />")
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$('#checking-relays').html(newText)
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} else {
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$('#checking-relays-header').html("")
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$('#checking-relays').html("")
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}
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}
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const subscriptions = Object.fromEntries(filters.map ( (filter, index) => {
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let id = "my-sub-"+index
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// fetch events from relay, returns a promise
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const fetchFromRelay = async (relay, filters, pubkey, events, relayStatus) =>
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new Promise((resolve, reject) => {
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try {
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updateRelayStatus(relay, "Starting", 0, undefined, relayStatus)
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// open websocket
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const ws = new WebSocket(relay)
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// prevent hanging forever
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let myTimeout = setTimeout(() => {
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return [
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id, {
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id: id,
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counter: 0,
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lastEvent: null,
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done: false,
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filter: filter,
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eventIds: new Set()
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}
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]
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}))
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// subscribe to events filtered by author
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ws.onopen = () => {
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clearTimeout(myTimeout)
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myTimeout = setTimeout(() => {
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ws.close()
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reject(relay)
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}, 10_000)
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const subscriptions = Object.fromEntries(filters.map ( (filter, index) => {
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let id = "my-sub-"+index
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return [
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id, {
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id: id,
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counter: 0,
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lastEvent: null,
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done: false,
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filter: filter,
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eventIds: new Set()
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}
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]
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}))
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updateRelayStatus(relay, "Downloading", 0, undefined, relayStatus)
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// subscribe to events filtered by author
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ws.onopen = () => {
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for (const [key, sub] of Object.entries(subscriptions)) {
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ws.send(JSON.stringify(['REQ', sub.id, sub.filter]))
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}
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}
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// Listen for messages
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ws.onmessage = (event) => {
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const [msgType, subscriptionId, data] = JSON.parse(event.data)
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// event messages
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if (msgType === 'EVENT') {
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clearTimeout(myTimeout)
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myTimeout = setTimeout(() => {
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ws.close()
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reject(relay)
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}, 10_000)
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updateRelayStatus(relay, "Downloading", 0, undefined, relayStatus)
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for (const [key, sub] of Object.entries(subscriptions)) {
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ws.send(JSON.stringify(['REQ', sub.id, sub.filter]))
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}
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}
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// Listen for messages
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ws.onmessage = (event) => {
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const [msgType, subscriptionId, data] = JSON.parse(event.data)
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// event messages
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if (msgType === 'EVENT') {
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clearTimeout(myTimeout)
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myTimeout = setTimeout(() => {
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ws.close()
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reject(relay)
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}, 10_000)
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try {
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const { id } = data
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try {
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const { id } = data
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if (!subscriptions[subscriptionId].lastEvent || data.created_at < subscriptions[subscriptionId].lastEvent.created_at)
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subscriptions[subscriptionId].lastEvent = data
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if (!subscriptions[subscriptionId].lastEvent || data.created_at < subscriptions[subscriptionId].lastEvent.created_at)
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subscriptions[subscriptionId].lastEvent = data
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if (data.id in subscriptions[subscriptionId].eventIds) return
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if (data.id in subscriptions[subscriptionId].eventIds) return
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subscriptions[subscriptionId].eventIds.add(data.id)
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subscriptions[subscriptionId].counter++
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subscriptions[subscriptionId].eventIds.add(data.id)
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subscriptions[subscriptionId].counter++
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// don't save/reboradcast kind 3s that are not from the author.
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// their are too big.
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if (data.kind == 3 && data.pubkey != pubkey) {
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return
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}
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let until = undefined
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if (subscriptions[subscriptionId].lastEvent) {
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until = subscriptions[subscriptionId].lastEvent.created_at
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}
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updateRelayStatus(relay, undefined, 1, until, relayStatus)
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// prevent duplicated events
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if (events[id]) return
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else events[id] = data
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// show how many events were found until this moment
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$('#events-found').text(`${Object.keys(events).length} events found`)
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} catch(err) {
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console.log(err, event)
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// don't save/reboradcast kind 3s that are not from the author.
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// their are too big.
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if (data.kind == 3 && data.pubkey != pubkey) {
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return
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}
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}
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// end of subscription messages
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if (msgType === 'EOSE') {
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// Restarting the filter is necessary to go around Max Limits for each relay.
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if (subscriptions[subscriptionId].counter < 2) {
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subscriptions[subscriptionId].done = true
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console.log(relay, subscriptionId, event.data)
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let until = undefined
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let alldone = Object.values(subscriptions).every(filter => filter.done === true);
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if (alldone) {
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updateRelayStatus(relay, "Done", 0, undefined, relayStatus)
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ws.close()
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resolve(relay)
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}
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} else {
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//console.log("Limit: ", { ...filters[0], until: lastSub1Event.created_at })
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subscriptions[subscriptionId].counter = 0
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ws.send(JSON.stringify(['REQ', subscriptions[subscriptionId].id, { ...subscriptions[subscriptionId].filter, until: subscriptions[subscriptionId].lastEvent.created_at } ]))
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if (subscriptions[subscriptionId].lastEvent) {
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until = subscriptions[subscriptionId].lastEvent.created_at
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}
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}
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if (msgType === 'AUTH') {
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signNostrAuthEvent(relay, subscriptionId).then(
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(event) => {
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if (event)
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ws.send(JSON.stringify(['EVENT', event]))
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else {
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updateRelayStatus(relay, "AUTH Req", 0, undefined, relayStatus)
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ws.close()
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reject(relay)
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}
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},
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(reason) => {
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updateRelayStatus(relay, undefined, 1, until, relayStatus)
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// prevent duplicated events
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if (events[id]) return
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else events[id] = data
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// show how many events were found until this moment
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$('#events-found').text(`${Object.keys(events).length} events found`)
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} catch(err) {
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console.log(err, event)
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return
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}
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}
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// end of subscription messages
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if (msgType === 'EOSE') {
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// Restarting the filter is necessary to go around Max Limits for each relay.
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if (subscriptions[subscriptionId].counter < 2) {
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subscriptions[subscriptionId].done = true
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console.log(relay, subscriptionId, event.data)
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let alldone = Object.values(subscriptions).every(filter => filter.done === true);
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if (alldone) {
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updateRelayStatus(relay, "Done", 0, undefined, relayStatus)
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ws.close()
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resolve(relay)
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}
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} else {
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//console.log("Limit: ", { ...filters[0], until: lastSub1Event.created_at })
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subscriptions[subscriptionId].counter = 0
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ws.send(JSON.stringify(['REQ', subscriptions[subscriptionId].id, { ...subscriptions[subscriptionId].filter, until: subscriptions[subscriptionId].lastEvent.created_at } ]))
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}
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}
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if (msgType === 'AUTH') {
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signNostrAuthEvent(relay, subscriptionId).then(
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(event) => {
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if (event)
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ws.send(JSON.stringify(['EVENT', event]))
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else {
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updateRelayStatus(relay, "AUTH Req", 0, undefined, relayStatus)
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ws.close()
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reject(relay)
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},
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)
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}
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}
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},
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(reason) => {
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updateRelayStatus(relay, "AUTH Req", 0, undefined, relayStatus)
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ws.close()
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reject(relay)
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},
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)
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}
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ws.onerror = (err) => {
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updateRelayStatus(relay, "Done", 0, undefined, relayStatus)
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try {
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ws.close()
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reject(relay)
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} catch {
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reject(relay)
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}
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}
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ws.onclose = (socket, event) => {
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updateRelayStatus(relay, "Done", 0, undefined, relayStatus)
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resolve(relay)
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}
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} catch (exception) {
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console.log(exception)
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updateRelayStatus(relay, "Error", 0, undefined, relayStatus)
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}
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ws.onerror = (err) => {
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updateRelayStatus(relay, "Done", 0, undefined, relayStatus)
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try {
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ws.close()
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} catch (exception) {
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}
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reject(relay)
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}
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})
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// query relays for events published by this pubkey
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const getEvents = async (filters, pubkey) => {
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// events hash
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const events = {}
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// batch processing of 10 relays
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await processInPool(relays, (relay, poolStatus) => fetchFromRelay(relay, filters, pubkey, events, poolStatus), 10)
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displayRelayStatus({})
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// return data as an array of events
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return Object.keys(events).map((id) => events[id])
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}
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const processInPool = async (items, processItem, poolSize) => {
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let pool = {};
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let poolStatus = {}
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let remaining = [...items]
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while (remaining.length) {
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let processing = remaining.splice(0, 1)
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let item = processing[0]
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pool[item] = processItem(item, poolStatus);
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if (Object.keys(pool).length > poolSize - 1) {
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try {
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const resolvedId = await Promise.race(Object.values(pool)); // wait for one Promise to finish
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delete pool[resolvedId]; // remove that Promise from the pool
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} catch (resolvedId) {
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delete pool[resolvedId]; // remove that Promise from the pool
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reject(relay)
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||||
} catch {
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reject(relay)
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||||
}
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}
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||||
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$('#fetching-progress').val(items.length - remaining.length)
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ws.onclose = (socket, event) => {
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updateRelayStatus(relay, "Done", 0, undefined, relayStatus)
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resolve(relay)
|
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}
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} catch (exception) {
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console.log(exception)
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updateRelayStatus(relay, "Error", 0, undefined, relayStatus)
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||||
try {
|
||||
ws.close()
|
||||
} catch (exception) {
|
||||
}
|
||||
|
||||
reject(relay)
|
||||
}
|
||||
})
|
||||
|
||||
await Promise.allSettled(Object.values(pool));
|
||||
// query relays for events published by this pubkey
|
||||
const getEvents = async (filters, pubkey) => {
|
||||
// events hash
|
||||
const events = {}
|
||||
|
||||
// batch processing of 10 relays
|
||||
await processInPool(relays, (relay, poolStatus) => fetchFromRelay(relay, filters, pubkey, events, poolStatus), 10)
|
||||
|
||||
displayRelayStatus({})
|
||||
|
||||
// return data as an array of events
|
||||
return Object.keys(events).map((id) => events[id])
|
||||
}
|
||||
|
||||
const sendAllEvents = async (relay, data, relayStatus, ws) => {
|
||||
console.log("Sending:", data.length, " events")
|
||||
for (evnt of data) {
|
||||
ws.send(JSON.stringify(['EVENT', evnt]))
|
||||
}
|
||||
}
|
||||
const processInPool = async (items, processItem, poolSize) => {
|
||||
let pool = {};
|
||||
let poolStatus = {}
|
||||
let remaining = [...items]
|
||||
|
||||
// send events to a relay, returns a promisse
|
||||
const sendToRelay = async (relay, data, relayStatus) =>
|
||||
new Promise((resolve, reject) => {
|
||||
while (remaining.length) {
|
||||
let processing = remaining.splice(0, 1)
|
||||
let item = processing[0]
|
||||
pool[item] = processItem(item, poolStatus);
|
||||
|
||||
if (Object.keys(pool).length > poolSize - 1) {
|
||||
try {
|
||||
const ws = new WebSocket(relay)
|
||||
const resolvedId = await Promise.race(Object.values(pool)); // wait for one Promise to finish
|
||||
|
||||
updateRelayStatus(relay, "Starting", 0, undefined, relayStatus)
|
||||
delete pool[resolvedId]; // remove that Promise from the pool
|
||||
} catch (resolvedId) {
|
||||
delete pool[resolvedId]; // remove that Promise from the pool
|
||||
}
|
||||
}
|
||||
|
||||
// prevent hanging forever
|
||||
let myTimeout = setTimeout(() => {
|
||||
$('#fetching-progress').val(items.length - remaining.length)
|
||||
}
|
||||
|
||||
await Promise.allSettled(Object.values(pool));
|
||||
}
|
||||
|
||||
const sendAllEvents = async (relay, data, relayStatus, ws) => {
|
||||
console.log("Sending:", data.length, " events")
|
||||
for (evnt of data) {
|
||||
ws.send(JSON.stringify(['EVENT', evnt]))
|
||||
}
|
||||
}
|
||||
|
||||
// send events to a relay, returns a promisse
|
||||
const sendToRelay = async (relay, data, relayStatus) =>
|
||||
new Promise((resolve, reject) => {
|
||||
try {
|
||||
const ws = new WebSocket(relay)
|
||||
|
||||
updateRelayStatus(relay, "Starting", 0, undefined, relayStatus)
|
||||
|
||||
// prevent hanging forever
|
||||
let myTimeout = setTimeout(() => {
|
||||
ws.close()
|
||||
reject('timeout')
|
||||
}, 10_000)
|
||||
|
||||
// fetch events from relay
|
||||
ws.onopen = () => {
|
||||
updateRelayStatus(relay, "Sending", 0, undefined, relayStatus)
|
||||
|
||||
clearTimeout(myTimeout)
|
||||
myTimeout = setTimeout(() => {
|
||||
ws.close()
|
||||
reject('timeout')
|
||||
}, 10_000)
|
||||
|
||||
// fetch events from relay
|
||||
ws.onopen = () => {
|
||||
updateRelayStatus(relay, "Sending", 0, undefined, relayStatus)
|
||||
sendAllEvents(relay, data, relayStatus, ws)
|
||||
}
|
||||
// Listen for messages
|
||||
ws.onmessage = (event) => {
|
||||
clearTimeout(myTimeout)
|
||||
myTimeout = setTimeout(() => {
|
||||
ws.close()
|
||||
reject('timeout')
|
||||
}, 10_000)
|
||||
|
||||
clearTimeout(myTimeout)
|
||||
myTimeout = setTimeout(() => {
|
||||
ws.close()
|
||||
reject('timeout')
|
||||
}, 10_000)
|
||||
|
||||
sendAllEvents(relay, data, relayStatus, ws)
|
||||
}
|
||||
// Listen for messages
|
||||
ws.onmessage = (event) => {
|
||||
clearTimeout(myTimeout)
|
||||
myTimeout = setTimeout(() => {
|
||||
ws.close()
|
||||
reject('timeout')
|
||||
}, 10_000)
|
||||
|
||||
const [msgType, subscriptionId, inserted] = JSON.parse(event.data)
|
||||
// event messages
|
||||
// end of subscription messages
|
||||
if (msgType === 'OK') {
|
||||
if (inserted == true) {
|
||||
updateRelayStatus(relay, undefined, 1, undefined, relayStatus)
|
||||
} else {
|
||||
console.log(relay, event.data)
|
||||
}
|
||||
const [msgType, subscriptionId, inserted] = JSON.parse(event.data)
|
||||
// event messages
|
||||
// end of subscription messages
|
||||
if (msgType === 'OK') {
|
||||
if (inserted == true) {
|
||||
updateRelayStatus(relay, undefined, 1, undefined, relayStatus)
|
||||
} else {
|
||||
console.log(relay, event.data)
|
||||
}
|
||||
} else {
|
||||
console.log(relay, event.data)
|
||||
}
|
||||
ws.onerror = (err) => {
|
||||
updateRelayStatus(relay, "Error", 0, undefined, relayStatus)
|
||||
console.log("Error", err)
|
||||
ws.close()
|
||||
reject(err)
|
||||
}
|
||||
ws.onclose = (socket, event) => {
|
||||
updateRelayStatus(relay, "Done", 0, undefined, relayStatus)
|
||||
console.log("OnClose", relayStatus)
|
||||
resolve()
|
||||
}
|
||||
} catch (exception) {
|
||||
console.log(exception)
|
||||
}
|
||||
ws.onerror = (err) => {
|
||||
updateRelayStatus(relay, "Error", 0, undefined, relayStatus)
|
||||
try {
|
||||
ws.close()
|
||||
} catch (exception) {
|
||||
}
|
||||
reject(exception)
|
||||
console.log("Error", err)
|
||||
ws.close()
|
||||
reject(err)
|
||||
}
|
||||
})
|
||||
|
||||
// broadcast events to list of relays
|
||||
const broadcastEvents = async (data) => {
|
||||
// batch processing of 10 relays
|
||||
let broadcastFunctions = [...relays]
|
||||
let relayStatus = {}
|
||||
while (broadcastFunctions.length) {
|
||||
let relaysForThisRound = broadcastFunctions.splice(0, 10)
|
||||
$('#broadcasting-progress').val(relays.length - broadcastFunctions.length)
|
||||
await Promise.allSettled( relaysForThisRound.map((relay) => sendToRelay(relay, data, relayStatus)) )
|
||||
ws.onclose = (socket, event) => {
|
||||
updateRelayStatus(relay, "Done", 0, undefined, relayStatus)
|
||||
console.log("OnClose", relayStatus)
|
||||
resolve()
|
||||
}
|
||||
} catch (exception) {
|
||||
console.log(exception)
|
||||
updateRelayStatus(relay, "Error", 0, undefined, relayStatus)
|
||||
try {
|
||||
ws.close()
|
||||
} catch (exception) {
|
||||
}
|
||||
reject(exception)
|
||||
}
|
||||
})
|
||||
|
||||
// broadcast events to list of relays
|
||||
const broadcastEvents = async (data) => {
|
||||
// batch processing of 10 relays
|
||||
let broadcastFunctions = [...relays]
|
||||
let relayStatus = {}
|
||||
while (broadcastFunctions.length) {
|
||||
let relaysForThisRound = broadcastFunctions.splice(0, 10)
|
||||
$('#broadcasting-progress').val(relays.length - broadcastFunctions.length)
|
||||
await Promise.allSettled( relaysForThisRound.map((relay) => sendToRelay(relay, data, relayStatus)) )
|
||||
}
|
||||
|
||||
displayRelayStatus(relayStatus)
|
||||
}
|
||||
|
||||
|
||||
|
||||
async function generateNostrEventId(msg) {
|
||||
const digest = [
|
||||
0,
|
||||
msg.pubkey,
|
||||
msg.created_at,
|
||||
msg.kind,
|
||||
msg.tags,
|
||||
msg.content,
|
||||
];
|
||||
const digest_str = JSON.stringify(digest);
|
||||
const hash = await sha256Hex(digest_str);
|
||||
|
||||
return hash;
|
||||
}
|
||||
|
||||
function sha256Hex(string) {
|
||||
const utf8 = new TextEncoder().encode(string);
|
||||
|
||||
return crypto.subtle.digest('SHA-256', utf8).then((hashBuffer) => {
|
||||
const hashArray = Array.from(new Uint8Array(hashBuffer));
|
||||
const hashHex = hashArray
|
||||
.map((bytes) => bytes.toString(16).padStart(2, '0'))
|
||||
.join('');
|
||||
|
||||
return hashHex;
|
||||
});
|
||||
}
|
||||
|
||||
async function signNostrAuthEvent(relay, auth_challenge) {
|
||||
try {
|
||||
|
||||
if (!window.nostr) {
|
||||
throw "Nostr extension not loaded or available"
|
||||
}
|
||||
|
||||
displayRelayStatus(relayStatus)
|
||||
let msg = {
|
||||
kind: 22243, // NIP-42++
|
||||
content: "",
|
||||
tags: [
|
||||
["relay", relay]
|
||||
["challenge", auth_challenge]
|
||||
],
|
||||
};
|
||||
|
||||
// set msg fields
|
||||
msg.created_at = Math.floor((new Date()).getTime() / 1000);
|
||||
msg.pubkey = await window.nostr.getPublicKey();
|
||||
|
||||
// Generate event id
|
||||
msg.id = await generateNostrEventId(msg);
|
||||
|
||||
// Sign event
|
||||
signed_msg = await window.nostr.signEvent(msg);
|
||||
|
||||
} catch (e) {
|
||||
console.log("Failed to sign message with browser extension", e);
|
||||
return undefined;
|
||||
}
|
||||
|
||||
async function signNostrAuthEvent(relay, auth_challenge) {
|
||||
try {
|
||||
|
||||
if (!window.nostr) {
|
||||
throw "Nostr extension not loaded or available"
|
||||
}
|
||||
|
||||
let msg = {
|
||||
kind: 22243, // NIP-42++
|
||||
content: "",
|
||||
tags: [
|
||||
["relay", relay]
|
||||
["challenge", auth_challenge]
|
||||
],
|
||||
};
|
||||
|
||||
// set msg fields
|
||||
msg.created_at = Math.floor((new Date()).getTime() / 1000);
|
||||
msg.pubkey = await window.nostr.getPublicKey();
|
||||
|
||||
// Generate event id
|
||||
msg.id = await generateNostrEventId(msg);
|
||||
|
||||
// Sign event
|
||||
signed_msg = await window.nostr.signEvent(msg);
|
||||
|
||||
} catch (e) {
|
||||
console.log("Failed to sign message with browser extension", e);
|
||||
return undefined;
|
||||
}
|
||||
|
||||
return signed_msg;
|
||||
}
|
||||
|
||||
async function generateNostrEventId(msg) {
|
||||
const digest = [
|
||||
0,
|
||||
msg.pubkey,
|
||||
msg.created_at,
|
||||
msg.kind,
|
||||
msg.tags,
|
||||
msg.content,
|
||||
];
|
||||
const digest_str = JSON.stringify(digest);
|
||||
const hash = await sha256Hex(digest_str);
|
||||
|
||||
return hash;
|
||||
}
|
||||
|
||||
function sha256Hex(string) {
|
||||
const utf8 = new TextEncoder().encode(string);
|
||||
|
||||
return crypto.subtle.digest('SHA-256', utf8).then((hashBuffer) => {
|
||||
const hashArray = Array.from(new Uint8Array(hashBuffer));
|
||||
const hashHex = hashArray
|
||||
.map((bytes) => bytes.toString(16).padStart(2, '0'))
|
||||
.join('');
|
||||
|
||||
return hashHex;
|
||||
});
|
||||
}
|
||||
return signed_msg;
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user