92 lines
2.5 KiB
Ruby
92 lines
2.5 KiB
Ruby
require "rqrcode"
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class WalletController < ApplicationController
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before_action :require_user_signed_in
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before_action :authenticate_with_lndhub
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before_action :set_current_section
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before_action :fetch_balance
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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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qrcode = RQRCode::QRCode.new(@wallet_url)
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@svg = qrcode.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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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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else
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lndhub = Lndhub.new
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auth_token = lndhub.authenticate(current_user)
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session[:ln_auth_token] = auth_token
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@ln_auth_token = auth_token
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end
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rescue
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# TODO add exception tracking
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end
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def set_current_section
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@current_section = :wallet
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end
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def fetch_balance
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lndhub = Lndhub.new
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data = lndhub.balance @ln_auth_token
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@balance = data["BTC"]["AvailableBalance"] rescue nil
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rescue
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authenticate_with_lndhub(force_reauth: true)
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return nil if @fetch_balance_retried
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@fetch_balance_retried = true
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fetch_balance
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end
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def fetch_transactions
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lndhub = Lndhub.new
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txs = lndhub.gettxs @ln_auth_token
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invoices = lndhub.getuserinvoices(@ln_auth_token).select{|i| i["ispaid"]}
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process_transactions(txs + invoices)
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rescue
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authenticate_with_lndhub(force_reauth: true)
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return [] if @fetch_transactions_retried
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@fetch_transactions_retried = true
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fetch_transactions
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end
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def process_transactions(txs)
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txs.collect do |tx|
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if tx["type"] == "bitcoind_tx"
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tx["amount_sats"] = (tx["amount"] * 100000000).to_i
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tx["datetime"] = Time.at(tx["time"].to_i)
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tx["title"] = "Received"
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tx["description"] = "On-chain topup"
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tx["received"] = true
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else
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tx["amount_sats"] = tx["value"] || tx["amt"]
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tx["fee"] = tx["type"] == "paid_invoice" ? tx["fee"] : nil
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tx["datetime"] = Time.at(tx["timestamp"].to_i)
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tx["title"] = tx["type"] == "paid_invoice" ? "Sent" : "Received"
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tx["description"] = tx["memo"] || tx["description"]
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tx["received"] = tx["type"] == "user_invoice"
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end
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end
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txs.sort{ |a,b| b["datetime"] <=> a["datetime"] }
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end
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end
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