Fix lndhub balances with on-chain topups

Removes the bitcoind RPC config entirely, so lndhub only uses LND's
transaction monitoring. The bitcoind integration is broken as is.

site-cookbooks/kosmos-bitcoin/recipes/lndhub.rb

@@ -11,7 +11,6 @@ app_dir       = "/opt/#{app_name}"
 lnd_dir       = node['lnd']['lnd_dir']
 bitcoin_user  = node['bitcoin']['username']
 bitcoin_group = node['bitcoin']['usergroup']
-bitcoin_credentials = Chef::EncryptedDataBagItem.load('credentials', 'bitcoin')
 
 application app_dir do
   owner bitcoin_user
@@ -46,10 +45,7 @@ application app_dir do
     owner bitcoin_user
     group bitcoin_group
     mode '0600'
-    variables bitcoin_rpc_host: node['bitcoin']['conf']['rpcbind'],
-              bitcoin_rpc_user: node['bitcoin']['conf']['rpcuser'],
-              bitcoin_rpc_pass: bitcoin_credentials["rpcpassword"],
-              lnd_rpc_host: '127.0.0.1:10009'
+    variables lnd_rpc_host: '127.0.0.1:10009'
     notifies :restart, "systemd_unit[lndhub.service]", :delayed
   end
 

site-cookbooks/kosmos-bitcoin/templates/lndhub.config.js.erb

@@ -4,9 +4,6 @@ let config = {
   rateLimit: 200,
   forwardReserveFee: 0.01, // default 0.01
   intraHubFee: 0.003, // default 0.003
-  bitcoind: {
-    rpc: 'http://<%= @bitcoin_rpc_user %>:<%= @bitcoin_rpc_pass %>@<%= @bitcoin_rpc_host %>/wallet/wallet.dat',
-  },
   redis: {
     port: 6379,
     host: '127.0.0.1',