Offer lnurl-pay QR codes for download on the Lightning page
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parent
8eb5f093a4
commit
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3
Gemfile
3
Gemfile
@ -58,6 +58,9 @@ gem 'discourse_api'
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gem "sentry-ruby"
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gem "sentry-rails"
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# Lightning
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gem "lnurl"
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group :development, :test do
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# Use sqlite3 as the database for Active Record
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gem 'sqlite3', '~> 1.4'
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@ -180,6 +180,8 @@ GEM
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listen (3.7.1)
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rb-fsevent (~> 0.10, >= 0.10.3)
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rb-inotify (~> 0.9, >= 0.9.10)
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lnurl (1.0.1)
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bech32 (~> 1.1)
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lockbox (1.1.0)
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loofah (2.19.0)
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crass (~> 1.0.2)
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@ -409,6 +411,7 @@ DEPENDENCIES
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letter_opener
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letter_opener_web
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listen (~> 3.2)
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lnurl
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lockbox
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net-ldap
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pagy (~> 6.0, >= 6.0.2)
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@ -1,4 +1,5 @@
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require "rqrcode"
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require "lnurl"
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class Services::LightningController < ApplicationController
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before_action :authenticate_user!
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@ -8,9 +9,55 @@ class Services::LightningController < ApplicationController
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def index
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@wallet_url = "lndhub://#{current_user.ln_account}:#{current_user.ln_password}@#{ENV['LNDHUB_PUBLIC_URL']}"
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initialize_lndhub_qr_code
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end
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qrcode = RQRCode::QRCode.new(@wallet_url)
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@svg = qrcode.as_svg(
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def transactions
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@transactions = fetch_transactions
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end
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def qr_lnurlp
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lnurlp_url = "https://kosmos.org/.well-known/lnurlp/#{current_user.cn}"
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lnurlp_bech32 = Lnurl.new(lnurlp_url).to_bech32
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qr_code = RQRCode::QRCode.new("lightning:" + lnurlp_bech32)
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if params[:format] == "svg"
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qr_svg = qr_code.as_svg(
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color: "000",
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shape_rendering: "crispEdges",
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module_size: 6,
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standalone: true,
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use_path: true,
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svg_attributes: {
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class: 'inline-block'
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}
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)
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send_data(
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qr_svg,
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filename: "bitcoin-lightning-#{current_user.address}.svg",
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type: "image/svg+xml"
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)
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elsif params[:format] == "png"
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qr_png = qr_code.as_png(
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fill: "white",
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color: "black",
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size: 1024,
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)
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send_data(
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qr_png,
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filename: "bitcoin-lightning-#{current_user.address}.png",
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type: "image/png"
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)
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else
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http_status :not_found
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end
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end
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private
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def initialize_lndhub_qr_code
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qr_code = RQRCode::QRCode.new(@wallet_url)
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@lndhub_qr_svg = qr_code.as_svg(
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color: "000",
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shape_rendering: "crispEdges",
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module_size: 6,
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@ -22,12 +69,6 @@ class Services::LightningController < ApplicationController
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)
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end
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def transactions
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@transactions = fetch_transactions
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end
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private
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def authenticate_with_lndhub(options={})
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if session[:ln_auth_token].present? && !options[:force_reauth]
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@ln_auth_token = session[:ln_auth_token]
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@ -39,7 +39,7 @@
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<button id="hide-setup-code" class="hidden btn-md btn-blue w-full sm:w-auto">Hide setup QR code</button>
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</p>
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<p id="setup-code" class="hidden my-10 w-full text-center">
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<%= raw @svg %>
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<%= raw @lndhub_qr_svg %>
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</p>
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</section>
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@ -88,6 +88,24 @@
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</p>
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</div>
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</section>
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<section class="mb-12">
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<h3>QR Code for Donations/Tips</h3>
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<p>
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You can print out or publish a QR code for people to scan with their
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wallet apps, so they can send you sats without a direct personal
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interaction (for example at a concert, or on your website).
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</p>
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<p class="my-6 text-center md:text-left">
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<%= link_to "Download SVG file",
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qr_lnurlp_services_lightning_index_path(format: "svg"),
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class: "btn-md btn-blue w-full sm:w-auto"%>
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<span class="mx-2 my-2 md:my-0 block md:inline">or</span>
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<%= link_to "Download PNG file",
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qr_lnurlp_services_lightning_index_path(format: "png"),
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class: "btn-md btn-blue w-full sm:w-auto"%>
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</p>
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</section>
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<% end %>
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<script type="text/javascript">
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@ -24,6 +24,7 @@ Rails.application.routes.draw do
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resources :lightning, only: [:index] do
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collection do
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get 'transactions'
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get 'qr_lnurlp'
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end
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end
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end
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