From d9970c126a0b62dba43d0ac361eeb23fde538eb3 Mon Sep 17 00:00:00 2001
From: Sebastian Kippe <sebastian@kip.pe>
Date: Tue, 12 Apr 2022 15:36:45 +0200
Subject: [PATCH 1/3] List balances of LndHub accounts

---
 lib/tasks/lndhub.rake | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/lib/tasks/lndhub.rake b/lib/tasks/lndhub.rake
index 5b30082..bee07d1 100644
--- a/lib/tasks/lndhub.rake
+++ b/lib/tasks/lndhub.rake
@@ -5,4 +5,15 @@ namespace :lndhub do
       CreateLndhubWalletJob.perform_later(user)
     end
   end
+
+  desc "List wallet balances"
+  task :balances => :environment do |t, args|
+    User.all.each do |user|
+      lndhub = Lndhub.new
+      auth_token = lndhub.authenticate(user)
+      data = lndhub.balance(auth_token)
+      balance = data["BTC"]["AvailableBalance"] rescue nil
+      puts "#{user.address}: #{balance}" if balance && balance > 0
+    end
+  end
 end

From 8773bf5f9e4d50803f5545afb0d368166de1f211 Mon Sep 17 00:00:00 2001
From: Sebastian Kippe <sebastian@kip.pe>
Date: Tue, 12 Apr 2022 15:42:44 +0200
Subject: [PATCH 2/3] Slow down LndHub auth requests in task

---
 lib/tasks/lndhub.rake | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/tasks/lndhub.rake b/lib/tasks/lndhub.rake
index bee07d1..bac03dd 100644
--- a/lib/tasks/lndhub.rake
+++ b/lib/tasks/lndhub.rake
@@ -14,6 +14,7 @@ namespace :lndhub do
       data = lndhub.balance(auth_token)
       balance = data["BTC"]["AvailableBalance"] rescue nil
       puts "#{user.address}: #{balance}" if balance && balance > 0
+      sleep 0.5
     end
   end
 end

From 2a2793ae44c94c0bab9f8796ca7fc356c7c0a790 Mon Sep 17 00:00:00 2001
From: Sebastian Kippe <sebastian@kip.pe>
Date: Tue, 12 Apr 2022 16:04:19 +0200
Subject: [PATCH 3/3] Print sum of user balances

---
 lib/tasks/lndhub.rake | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/lib/tasks/lndhub.rake b/lib/tasks/lndhub.rake
index bac03dd..54d8a05 100644
--- a/lib/tasks/lndhub.rake
+++ b/lib/tasks/lndhub.rake
@@ -8,13 +8,17 @@ namespace :lndhub do
 
   desc "List wallet balances"
   task :balances => :environment do |t, args|
+    sum = 0
     User.all.each do |user|
       lndhub = Lndhub.new
       auth_token = lndhub.authenticate(user)
       data = lndhub.balance(auth_token)
       balance = data["BTC"]["AvailableBalance"] rescue nil
-      puts "#{user.address}: #{balance}" if balance && balance > 0
-      sleep 0.5
+      if balance && balance > 0
+        sum += balance
+        puts "#{user.address}: #{balance} sats"
+      end
     end
+    puts "--\nSum of user balances: #{sum} sats"
   end
 end