add checkpoints for testnet and mainnet

src/checkpoints/checkpoints.cpp

@@ -165,6 +165,7 @@ namespace cryptonote
     {
       ADD_CHECKPOINT(0,     "48ca7cd3c8de5b6a4d53d2861fbdaedca141553559f9be9520068053cda8430b");
       ADD_CHECKPOINT(1000000, "46b690b710a07ea051bc4a6b6842ac37be691089c0f7758cfeec4d5fc0b4a258");
+      ADD_CHECKPOINT(1058600, "12904f6b4d9e60fd875674e07147d2c83d6716253f046af7b894c3e81da7e1bd");
       return true;
     }
     if (nettype == STAGENET)
@@ -208,7 +209,7 @@ namespace cryptonote
     ADD_CHECKPOINT(1450000, "ac94e8860093bc7c83e4e91215cba1d663421ecf4067a0ae609c3a8b52bcfac2");
     ADD_CHECKPOINT(1530000, "01759bce497ec38e63c78b1038892169203bb78f87e488172f6b854fcd63ba7e");
     ADD_CHECKPOINT(1579000, "7d0d7a2346373afd41ed1e744a939fc5d474a7dbaa257be5c6fff4009e789241");
-
+    ADD_CHECKPOINT(1668900, "ac2dcaf3d2f58ffcf8391639f0f1ebafcb8eac43c49479c7c37f611868d07568");
     return true;
   }