update checkpoints

src/checkpoints/checkpoints.cpp

@@ -235,6 +235,10 @@ namespace cryptonote
     ADD_CHECKPOINT2(497100,  "2c4c70ac1ada94151f19d67ccf1aa4e846e6067f49f67c85cc03f78e768ea42b", "0x116906bc97a751");
     ADD_CHECKPOINT2(500000,  "f4f771261b8c13cd83a9d8fa22e3cfe988564ad4b57dd90e79d5c0e77d61cf6a", "0x1185e7f2357a03");
     ADD_CHECKPOINT2(503500,  "776f36a17056c3e22bbfb51d5aeabb58000731e9ad549f0f2f8ad1e1bcedf312", "0x11a4884467f53d");
+    ADD_CHECKPOINT2(509900,  "59520faa272fc68e0426c827a38b21cdc1df8f5a37c5fdcbbe00350fece5f3ae", "0x11dc780bd1b580");
+    ADD_CHECKPOINT2(514000,  "1569e712750f19e57aee3f73cc3091a0eea392740bd396ad3570bc96e0e6ffb5", "0x11fff58abe0a82"); //Hard fork to v20
+    ADD_CHECKPOINT2(516700,  "0443c47c5a4e344c3f68a491a3b2f6b78a769cdf9076249c93f187ececf9cc7c", "0x12128a532a59a6");
+    ADD_CHECKPOINT2(522000,  "8c15ae514063bf05e7662ab33b86a4131aa89df0784ce3da7876c5339bc1de3d", "0x123d9c604a7be6");
     return true;
   }
 

src/cryptonote_core/blockchain.cpp

@@ -5672,7 +5672,7 @@ void Blockchain::cancel()
 }
 
 #if defined(PER_BLOCK_CHECKPOINT)
-static const char expected_block_hashes_hash[] = "758b237b54248c7d47c699156ea8a77db0dc04cc4f89783cc2b1a5b1a9658e18";
+static const char expected_block_hashes_hash[] = "ba330ed9cd10aabcbfd4a501d5271caecc56999fe4b2863d6c99f871b7282014";
 void Blockchain::load_compiled_in_block_hashes(const GetCheckpointsCallback& get_checkpoints)
 {
   if (get_checkpoints == nullptr || !m_fast_sync)