fixes for pruned node start (#149)

* increase required space for pruned chain download

* don't protect home as bitcoind binary is there

* format UDPATE menu

scripts/_functions.bitcoincore.sh

@@ -185,8 +185,6 @@ StandardError=journal
 PrivateTmp=true
 # Mount /usr, /boot/ and /etc read-only for the process.
 ProtectSystem=full
-# Deny access to /home, /root and /run/user
-ProtectHome=true
 # Disallow the process and all of its children to gain
 # new privileges through execve().
 NoNewPrivileges=true

scripts/menu.update.sh

@@ -4,7 +4,7 @@ source /home/joinmarket/_functions.sh
 
 # BASIC MENU INFO
 HEIGHT=15
-WIDTH=56
+WIDTH=57
 CHOICE_HEIGHT=4
 TITLE="Update options"
 MENU="

scripts/standalone/_functions.standalone.sh

@@ -49,13 +49,13 @@ function downloadSnapShot() {
 
   echo "# Check available diskspace"
   FREE=$(df -k --output=avail "$PWD" | tail -n1) # df -k not df -h
-  if [ $FREE -lt 12582912 ]; then                # 12G = 12*1024*1024k
+  if [ $FREE -lt 21000000 ]; then
     echo "# The free space is only $FREE bytes!"
-    echo "# Would need ~12GB free space to download and extract the snapshot."
+    echo "# Would need ~21GB free space to download and extract the snapshot."
     echo "# Press ENTER to continue to download regardless or CTRL+C to exit."
     read key
   else
-    echo "# OK, more than 12GB is free!"
+    echo "# OK, more than 21GB is free!"
   fi
   sudo -u joinmarket mkdir /home/joinmarket/download 2>/dev/null
   cd /home/joinmarket/download || exit 1
@@ -107,13 +107,13 @@ function downloadSnapShot() {
 
   echo "# Extracting to /home/store/app-data/.bitcoin ..."
   FREE=$(df -k --output=avail "$PWD" | tail -n1) # df -k not df -h
-  if [ $FREE -lt 7340032 ]; then                 # 7G = 7*1024*1024k
+  if [ $FREE -lt 11000000 ]; then
     echo "# The free space is only $FREE bytes!"
-    echo "# Would need ~7GB free space to extract the snapshot."
-    echo "# Press ENTER to continue to download regardless or CTRL+C to exit."
+    echo "# Would need ~11GB free space to extract the snapshot."
+    echo "# Press ENTER to continue to extract it regardless or CTRL+C to exit."
     read key
   else
-    echo "# OK, more than 7GB is free!"
+    echo "# OK, more than 11GB is free!"
   fi
   addUserStore
   if [ ! -d /home/store/app-data/.bitcoin ]; then