support _ names in nip05.

nip05.js

@@ -1,52 +1,32 @@
-import {Buffer} from 'buffer'
-import dnsPacket from 'dns-packet'
-
-const dohProviders = [
-  'cloudflare-dns.com',
-  'fi.doh.dns.snopyta.org',
-  'basic.bravedns.com',
-  'hydra.plan9-ns1.com',
-  'doh.pl.ahadns.net',
-  'dns.flatuslifir.is',
-  'doh.dns.sb',
-  'doh.li'
-]
-
-let counter = 0
-
-export async function keyFromDomain(domain) {
-  let host = dohProviders[counter % dohProviders.length]
-
-  let buf = dnsPacket.encode({
-    type: 'query',
-    id: Math.floor(Math.random() * 65534),
-    flags: dnsPacket.RECURSION_DESIRED,
-    questions: [
-      {
-        type: 'TXT',
-        name: `_nostrkey.${domain}`
-      }
-    ]
-  })
-
-  let fetching = fetch(`https://${host}/dns-query`, {
-    method: 'POST',
-    headers: {
-      'Content-Type': 'application/dns-message',
-      'Content-Length': Buffer.byteLength(buf)
-    },
-    body: buf
-  })
-
-  counter++
+import fetch from 'cross-fetch'
 
+export async function searchDomain(domain, query = '') {
   try {
-    let response = Buffer.from(await (await fetching).arrayBuffer())
-    let {answers} = dnsPacket.decode(response)
-    if (answers.length === 0) return null
-    return Buffer.from(answers[0].data[0]).toString()
-  } catch (err) {
-    console.log(`error querying DNS for ${domain} on ${host}`, err)
+    let res = await (
+      await fetch(`https://${domain}/.well-known/nostr.json?name=${query}`)
+    ).json()
+
+    return res.names
+  } catch (_) {
+    return []
+  }
+}
+
+export async function queryName(fullname) {
+  try {
+    let [name, domain] = fullname.split('@')
+
+    if (!domain) {
+      domain = name
+      name = '_'
+    }
+
+    let res = await (
+      await fetch(`https://${domain}/.well-known/nostr.json?name=${name}`)
+    ).json()
+
+    return res.names && res.names[name]
+  } catch (_) {
     return null
   }
 }

nip06.js

@@ -8,13 +8,13 @@ import {HDKey} from 'micro-bip32'
 
 export function privateKeyFromSeed(seed) {
   let root = HDKey.fromMasterSeed(Buffer.from(seed, 'hex'))
-  return Buffer.from(root.derive(`m/44'/1237'/0'/0'`).privateKey).toString(
+  return Buffer.from(root.derive(`m/44'/1237'/0'/0/0`).privateKey).toString(
     'hex'
   )
 }
 
 export function seedFromWords(mnemonic) {
-  return Buffer.from(mnemonicToSeedSync(mnemonic, wordlist)).toString('hex')
+  return Buffer.from(mnemonicToSeedSync(mnemonic)).toString('hex')
 }
 
 export function generateSeedWords() {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "nostr-tools",
-  "version": "0.16.2",
+  "version": "0.20.1",
   "description": "Tools for making a Nostr client.",
   "repository": {
     "type": "git",
@@ -12,7 +12,7 @@
     "browserify-cipher": ">=1",
     "buffer": ">=5",
     "create-hash": "^1.2.0",
-    "dns-packet": "^5.2.4",
+    "cross-fetch": "^3.1.4",
     "micro-bip32": "^0.1.0",
     "micro-bip39": "^0.1.3",
     "websocket-polyfill": "^0.0.3"

pool.js

@@ -1,12 +1,18 @@
-import {getEventHash, signEvent} from './event'
+import {getEventHash, verifySignature, signEvent} from './event'
 import {relayConnect, normalizeRelayURL} from './relay'
 
 export function relayPool() {
   var globalPrivateKey
+  var globalSigningFunction
+
   const poolPolicy = {
     // setting this to a number will cause events to be published to a random
     // set of relays only, instead of publishing to all relays all the time
-    randomChoice: null
+    randomChoice: null,
+
+    // setting this to true will cause .publish() calls to wait until the event has
+    // been published -- or at least attempted to be published -- to all relays
+    wait: false
   }
   const relays = {}
   const noticeCallbacks = []
@@ -72,6 +78,9 @@ export function relayPool() {
     setPrivateKey(privateKey) {
       globalPrivateKey = privateKey
     },
+    registerSigningFunction(fn) {
+      globalSigningFunction = fn
+    },
     setPolicy(key, value) {
       poolPolicy[key] = value
     },
@@ -111,7 +120,7 @@ export function relayPool() {
       let index = noticeCallbacks.indexOf(cb)
       if (index !== -1) noticeCallbacks.splice(index, 1)
     },
-    async publish(event, statusCallback = (status, relayURL) => {}) {
+    async publish(event, statusCallback) {
       event.id = getEventHash(event)
 
       if (!event.sig) {
@@ -119,9 +128,21 @@ export function relayPool() {
 
         if (globalPrivateKey) {
           event.sig = await signEvent(event, globalPrivateKey)
+        } else if (globalSigningFunction) {
+          event.sig = await globalSigningFunction(event)
+          if (!event.sig) {
+            // abort here
+            return
+          } else {
+            // check
+            if (!(await verifySignature(event)))
+              throw new Error(
+                'signature provided by custom signing function is invalid.'
+              )
+          }
         } else {
           throw new Error(
-            "can't publish unsigned event. either sign this event beforehand or pass a private key while initializing this relay pool so it can be signed automatically."
+            "can't publish unsigned event. either sign this event beforehand, provide a signing function or pass a private key while initializing this relay pool so it can be signed automatically."
           )
         }
       }
@@ -136,6 +157,7 @@ export function relayPool() {
 
       let successes = 0
 
+      if (poolPolicy.wait) {
         for (let i = 0; i < writeable.length; i++) {
           let {relay} = writeable[i]
 
@@ -143,11 +165,11 @@ export function relayPool() {
             await new Promise(async (resolve, reject) => {
               try {
                 await relay.publish(event, status => {
-                statusCallback(status, relay.url)
+                  if (statusCallback) statusCallback(status, relay.url)
                   resolve()
                 })
               } catch (err) {
-              statusCallback(-1, relay.url)
+                if (statusCallback) statusCallback(-1, relay.url)
               }
             })
 
@@ -159,6 +181,14 @@ export function relayPool() {
             /***/
           }
         }
+      } else {
+        writeable.forEach(async ({relay}) => {
+          let callback = statusCallback
+            ? status => statusCallback(status, relay.url)
+            : null
+          relay.publish(event, callback)
+        })
+      }
 
       return event
     }