Merge pull request 'Fixes/improvements for lnurl-pay' (#49) from feature/lnurlp_improvements into master

Reviewed-on: #49

app/controllers/lnurlpay_controller.rb

@@ -6,8 +6,8 @@ class LnurlpayController < ApplicationController
       status: "OK",
       callback: "https://accounts.kosmos.org/lnurlpay/#{@user.address}/invoice",
       tag: "payRequest",
-      maxSendable: 1000000,
-      minSendable: 1000,
+      maxSendable: 1000000 * 1000, # msat
+      minSendable: 100 * 1000, # msat
       metadata: metadata(@user.address),
       commentAllowed: 0
     }
@@ -28,7 +28,7 @@ class LnurlpayController < ApplicationController
       status: "OK",
       successAction: {
         tag: "message",
-        message: "Payment received. Thanks!"
+        message: "Sats received. Thank you!"
       },
       routes: [],
       pr: payment_request
@@ -44,7 +44,7 @@ class LnurlpayController < ApplicationController
   end
 
   def metadata(address)
-    "[[\"text/identifier\", \"#{address}\"], [\"text/plain\", \"Sats for #{address}\"]]"
+    "[[\"text/identifier\", \"#{address}\"], [\"text/plain\", \"Send sats, receive thanks.\"]]"
   end
 
   def validate_amount(amount)