Add 630000 main checkpoint

lib/src/lightclient/checkpoints.rs

@@ -24,7 +24,10 @@ fn get_main_checkpoint(height: u64) ->  Option<(u64, &'static str, &'static str)
     let checkpoints: Vec<(u64, &str, &str)> = vec![
         (610000, "000000000218882f481e3b49ca3df819734b8d74aac91f69e848d7499b34b472",
                  "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"
-        )
+        ),
+        (630000, "00000000015493abba3e3bb384562f09141548f60581e06d4056993388d2ea2f",
+                 "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"
+        ),
     ];
 
     find_checkpoint(height, checkpoints)