Add service to fix invalid blocks

rootfs/standard/etc/systemd/system/invalid_block_check.service

@@ -0,0 +1,23 @@
+# myNode invalid block service
+# /etc/systemd/system/invalid_block_check.service
+
+[Unit]
+Description=myNode Bitcoin Invalid Block Check
+After=network.target mynode.service
+
+[Service]
+Type=simple
+KillMode=process
+ExecStart=/usr/bin/mynode_invalid_block_check.sh
+User=root
+Group=root
+TimeoutSec=300
+Restart=always
+RestartSec=30
+Nice=5
+StandardOutput=syslog
+StandardError=syslog
+SyslogIdentifier=bitcoind
+
+[Install]
+WantedBy=multi-user.target

rootfs/standard/usr/bin/mynode_invalid_block_check.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+set -e
+
+sleep 5m
+
+while [ 1 ]; do
+    if [ -f /mnt/hdd/mynode/bitcoin/debug.log ]; then
+        log=$(tail -n 10 /mnt/hdd/mynode/bitcoin/debug.log | grep "ERROR: AcceptBlockHeader")
+        if [ $? == 0 ]; then
+            block=$(tail -n 10 /mnt/hdd/mynode/bitcoin/debug.log | grep "ERROR: AcceptBlockHeader" | tail -n 1 | egrep -o "block [0-9a-f]+" | awk '{print $2}')
+            echo "INVALID BLOCK FOUND: $block"
+            echo "Fixing..."
+            bitcoin-cli -rpccookiefile=/mnt/hdd/mynode/bitcoin/.cookie invalidateblock $block
+            bitcoin-cli -rpccookiefile=/mnt/hdd/mynode/bitcoin/.cookie reconsiderblock $block
+            echo "Done fixing block $block"
+            sleep 10m
+        fi
+    fi
+    sleep 5m
+done

rootfs/standard/usr/bin/mynode_post_upgrade.sh

@@ -134,6 +134,7 @@ fi
 
 # Enable any new/required services
 systemctl enable firewall
+systemctl enable invalid_block_check
 
 # Disable any old services
 sudo systemctl disable hitch

setup/setup_device.sh

@@ -338,6 +338,7 @@ systemctl enable tls_proxy
 systemctl enable rtl
 systemctl enable lnd_admin
 systemctl enable tor
+systemctl enable invalid_block_check
 
 
 # Delete junk