Add block height workflow

scripts/get_block_tip_height.sh

@@ -0,0 +1,24 @@
+BASE_HEIGHT=$(curl -sk https://node202.tk7.mempool.space/api/v1/blocks/tip/height)
+IN_SYNC=true
+echo "Base height (node202.tk7): $BASE_HEIGHT"
+
+for LOCATION in fmt va1 fra tk7
+do
+  for NODE in 201 202 203 204 205 206
+  do
+    NODE_HEIGHT=$(curl -sk https://node$NODE.$LOCATION.mempool.space/api/v1/blocks/tip/height)
+    echo $(echo node$NODE.$LOCATION.mempool.space) - $NODE_HEIGHT
+    if [ "$NODE_HEIGHT" -ne "$BASE_HEIGHT" ]; then
+      echo $(echo node$NODE.$LOCATION.mempool.space) is not in sync
+      IN_SYNC=false
+    fi
+  done
+done
+
+if [ "$IN_SYNC" = false ]; then
+  echo "One or more servers are out of sync. Check the logs."
+  exit -1
+else
+  echo "All servers are in sync."
+fi
+