Update nostr gem, switch to Ruby for bech32 encoding

Gemfile

@@ -62,7 +62,7 @@ gem "sentry-rails"
 gem 'discourse_api'
 gem "lnurl"
 gem 'manifique', git: 'https://gitea.kosmos.org/5apps/manifique.git', branch: 'master'
-gem 'nostr', git: 'https://gitea.kosmos.org/kosmos/nostr-gem.git', branch: 'feature/ruby_2.7_compat'
+gem 'nostr', git: 'https://gitea.kosmos.org/kosmos/nostr-gem.git', ref: 'd59f31a'
 
 group :development, :test do
   # Use sqlite3 as the database for Active Record

Gemfile.lock

@@ -10,12 +10,12 @@ GIT
 
 GIT
   remote: https://gitea.kosmos.org/kosmos/nostr-gem.git
-  revision: 596529d9eb50d13b3f385245636698fccf37b442
+  revision: d59f31a3c63c7642fe2d3eb50b785da54fdabfab
-  branch: feature/ruby_2.7_compat
+  ref: d59f31a
   specs:
-    nostr (0.4.0)
+    nostr (0.5.0)
-      bech32 (~> 1.3)
+      bech32 (~> 1.4)
-      bip-schnorr (~> 0.4)
+      bip-schnorr (~> 0.6)
       ecdsa (~> 1.2)
       event_emitter (~> 0.2)
       faye-websocket (~> 0.11)
@@ -115,7 +115,7 @@ GEM
       thor (>= 1.1.0)
     benchmark (0.2.1)
     bindex (0.8.1)
-    bip-schnorr (0.6.0)
+    bip-schnorr (0.7.0)
       ecdsa_ext (~> 0.5.0)
     brow (0.4.1)
     builder (3.2.4)
@@ -259,6 +259,7 @@ GEM
     method_source (1.0.0)
     mini_magick (4.12.0)
     mini_mime (1.1.5)
+    mini_portile2 (2.8.5)
     minitest (5.20.0)
     multipart-post (2.3.0)
     net-imap (0.3.7)
@@ -272,6 +273,9 @@ GEM
     net-smtp (0.4.0)
       net-protocol
     nio4r (2.5.9)
+    nokogiri (1.15.4)
+      mini_portile2 (~> 2.8.2)
+      racc (~> 1.4)
     nokogiri (1.15.4-arm64-darwin)
       racc (~> 1.4)
     nokogiri (1.15.4-x86_64-linux)
@@ -422,6 +426,8 @@ GEM
       actionpack (>= 5.2)
       activesupport (>= 5.2)
       sprockets (>= 3.0.0)
+    sqlite3 (1.6.7)
+      mini_portile2 (~> 2.8.0)
     sqlite3 (1.6.7-arm64-darwin)
     sqlite3 (1.6.7-x86_64-linux)
     stimulus-rails (1.3.0)

app/javascript/controllers/settings/nostr_pubkey_controller.js

@@ -1,5 +1,4 @@
 import { Controller } from "@hotwired/stimulus"
-import { bech32 } from "bech32"
 
 function hexToBytes (hex) {
   let bytes = []
@@ -15,10 +14,6 @@ export default class extends Controller {
   static values  = { userAddress: String, pubkeyHex: String, sharedSecret: String }
 
   connect () {
-    if (this.hasPubkeyHexValue && this.pubkeyHexValue.length > 0) {
-      this.pubkeyBech32InputTarget.value = this.pubkeyBech32
-    }
-
     if (window.nostr) {
       if (this.hasSetPubkeyTarget) {
         this.setPubkeyTarget.disabled = false
@@ -53,11 +48,6 @@ export default class extends Controller {
     }
   }
 
-  get pubkeyBech32 () {
-    const words = bech32.toWords(hexToBytes(this.pubkeyHexValue))
-    return bech32.encode('npub', words)
-  }
-
   get csrfToken () {
     const element = document.head.querySelector('meta[name="csrf-token"]')
     return element.getAttribute("content")

app/models/user.rb

@@ -1,3 +1,5 @@
+require 'nostr'
+
 class User < ApplicationRecord
   include EmailValidatable
 
@@ -185,6 +187,11 @@ class User < ApplicationRecord
     ldap.delete_attribute(dn,:service)
   end
 
+  def nostr_pubkey_bech32
+    return nil unless nostr_pubkey.present?
+    Nostr::PublicKey.new(nostr_pubkey).to_bech32
+  end
+
   private
 
     def ldap

app/views/settings/_experiments.html.erb

@@ -7,7 +7,7 @@
        data-settings--nostr-pubkey-pubkey-hex-value="<%= current_user.nostr_pubkey %>">
 
     <p class="<%= current_user.nostr_pubkey.present? ? '' : 'hidden' %> mt-2 flex gap-1">
-      <input type="text" value="<%= current_user.nostr_pubkey %>" disabled
+      <input type="text" value="<%= current_user.nostr_pubkey_bech32 %>" disabled
              data-settings--nostr-pubkey-target="pubkeyBech32Input"
              name="nostr_public_key" class="relative grow" />
       <%= link_to nostr_pubkey_settings_path,

config/importmap.rb

@@ -5,5 +5,4 @@ pin "@hotwired/turbo-rails", to: "turbo.min.js", preload: true
 pin "@hotwired/stimulus", to: "stimulus.min.js", preload: true
 pin "@hotwired/stimulus-loading", to: "stimulus-loading.js", preload: true
 pin_all_from "app/javascript/controllers", under: "controllers"
-pin "bech32" # @2.0.0
 pin "tailwindcss-stimulus-components" # @4.0.3

spec/features/settings/experiments_spec.rb

@@ -28,7 +28,7 @@ RSpec.describe 'Experimental Settings', type: :feature do
     scenario 'Remove nostr pubkey from account' do
       visit setting_path(:experiments)
       expect(page).to have_field("nostr_public_key",
-        with: "07e188a1ff87ce171d517b8ed2bb7a31b1d3453a0db3b15379ec07b724d232f3",
+        with: "npub1qlsc3g0lsl8pw8230w8d9wm6xxcax3f6pkemz5measrmwfxjxteslf2hac",
         disabled: true)
 
       click_link "Remove"

spec/models/user_spec.rb

@@ -205,4 +205,14 @@ RSpec.describe User, type: :model do
       end
     end
   end
+
+  describe "#nostr_pubkey_bech32" do
+    before do
+      user.update! nostr_pubkey: "07e188a1ff87ce171d517b8ed2bb7a31b1d3453a0db3b15379ec07b724d232f3"
+    end
+
+    it "encodes the hexadecimal pubkey to bech32" do
+      expect(user.nostr_pubkey_bech32).to eq("npub1qlsc3g0lsl8pw8230w8d9wm6xxcax3f6pkemz5measrmwfxjxteslf2hac")
+    end
+  end
 end

vendor/javascript/bech32.js

@@ -1,2 +0,0 @@
-var e={};Object.defineProperty(e,"__esModule",{value:true});e.bech32m=e.bech32=void 0;const r="qpzry9x8gf2tvdw0s3jn54khce6mua7l";const t={};for(let e=0;e<r.length;e++){const o=r.charAt(e);t[o]=e}function polymodStep(e){const r=e>>25;return(33554431&e)<<5^996825010&-(r>>0&1)^642813549&-(r>>1&1)^513874426&-(r>>2&1)^1027748829&-(r>>3&1)^705979059&-(r>>4&1)}function prefixChk(e){let r=1;for(let t=0;t<e.length;++t){const o=e.charCodeAt(t);if(o<33||o>126)return"Invalid prefix ("+e+")";r=polymodStep(r)^o>>5}r=polymodStep(r);for(let t=0;t<e.length;++t){const o=e.charCodeAt(t);r=polymodStep(r)^31&o}return r}function convert(e,r,t,o){let n=0;let c=0;const s=(1<<t)-1;const f=[];for(let o=0;o<e.length;++o){n=n<<r|e[o];c+=r;while(c>=t){c-=t;f.push(n>>c&s)}}if(o)c>0&&f.push(n<<t-c&s);else{if(c>=r)return"Excess padding";if(n<<t-c&s)return"Non-zero padding"}return f}function toWords(e){return convert(e,8,5,true)}function fromWordsUnsafe(e){const r=convert(e,5,8,false);if(Array.isArray(r))return r}function fromWords(e){const r=convert(e,5,8,false);if(Array.isArray(r))return r;throw new Error(r)}function getLibraryFromEncoding(e){let o;o="bech32"===e?1:734539939;function encode(e,t,n){n=n||90;if(e.length+7+t.length>n)throw new TypeError("Exceeds length limit");e=e.toLowerCase();let c=prefixChk(e);if("string"===typeof c)throw new Error(c);let s=e+"1";for(let e=0;e<t.length;++e){const o=t[e];if(o>>5!==0)throw new Error("Non 5-bit word");c=polymodStep(c)^o;s+=r.charAt(o)}for(let e=0;e<6;++e)c=polymodStep(c);c^=o;for(let e=0;e<6;++e){const t=c>>5*(5-e)&31;s+=r.charAt(t)}return s}function __decode(e,r){r=r||90;if(e.length<8)return e+" too short";if(e.length>r)return"Exceeds length limit";const n=e.toLowerCase();const c=e.toUpperCase();if(e!==n&&e!==c)return"Mixed-case string "+e;e=n;const s=e.lastIndexOf("1");if(-1===s)return"No separator character for "+e;if(0===s)return"Missing prefix for "+e;const f=e.slice(0,s);const i=e.slice(s+1);if(i.length<6)return"Data too short";let d=prefixChk(f);if("string"===typeof d)return d;const l=[];for(let e=0;e<i.length;++e){const r=i.charAt(e);const o=t[r];if(void 0===o)return"Unknown character "+r;d=polymodStep(d)^o;e+6>=i.length||l.push(o)}return d!==o?"Invalid checksum for "+e:{prefix:f,words:l}}function decodeUnsafe(e,r){const t=__decode(e,r);if("object"===typeof t)return t}function decode(e,r){const t=__decode(e,r);if("object"===typeof t)return t;throw new Error(t)}return{decodeUnsafe:decodeUnsafe,decode:decode,encode:encode,toWords:toWords,fromWordsUnsafe:fromWordsUnsafe,fromWords:fromWords}}e.bech32=getLibraryFromEncoding("bech32");e.bech32m=getLibraryFromEncoding("bech32m");const o=e.__esModule,n=e.bech32m,c=e.bech32;export default e;export{o as __esModule,c as bech32,n as bech32m};
-