add new checkpoints

lib/src/lightclient/checkpoints.rs

@@ -81,6 +81,15 @@ fn get_main_checkpoint(height: u64) ->  Option<(u64, &'static str, &'static str)
 
 "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"
 ),
+
+(280000,  "000000036b2c0edb762736b4243cdba4d5b576456cc4c6b6a29ed69d27f0c4d9",
+
+"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"
+),
+(290000,  "00000000c9bd5248099f4caca2a5b1da88548cd1824bb22a0efa6c30cf6ccfce",
+
+"014dfd7871fcfe6dd86dd1e61f67a7a0947127eeea52248449974ef0381365c42301d0488b8b1e3ff3e65dead63d9c1352575352a0921e8072f679a513e62bd7344511000001f2922fb7e1c2b071e3281ed70b532d03d3e09cb0a8b4273b001bc3ac4026ce48000001570a88b589167eaa5e8a5b446fdf6bd3aa4936157acb790b81c6ae46f2359f6701f505693c3478a50e3de6ee934592b09e2854071d4ecb27209474ef86adebdd5201c76e39bb424abf87767a048b6b4037a335a92fe72e2ab0aab0955636f3946120019e79f50fb85eb3440a5f1d9ce7fbd28b7ead8fff7c8327ccb60f7615d7abc671000169685f032b7645d1f91a8e5607ce3e051bd3fddb793da404d82beafa40aa701c013925686dae0e4aa89561983dc4ab0b8e94ba75571f41edad029f3c47401a2d4d01e4eb56b101d0d5966f1fea09f426680440aa847debd0df4c24bbcb9e745b7b040000000199d67314660501d57c69466623f01bea8f1ba1fd96f9fceb98d545e7632d9841"
+),
 ];
 
     find_checkpoint(height, checkpoints)