update checkpoints

src/chainparams.cpp

@@ -5637,6 +5637,7 @@ void *chainparams_commandline() {
                     (2835000,     uint256S("0x0000000000bb3a3f83293fcc69cebef2a791876efde146d271ce3dd7c1fb4d08"))
                     (2836000,     uint256S("0x00000000004f1a5b9b0fad39c6751db29b99bfcb045181b6077d791ee0cf91f2"))
                     (2837000,     uint256S("0x000000000027c61ed8745c18d6b00edec9414e30dd880d92d598a6a0ce0fc238"))
+                    (2838000,     uint256S("0x00000000010947813b04f02da1166a07ba213369ec83695f4d8a6270c57f1141"))
                     ,(int64_t)  1770622731, // time of last checkpointed block
                     (int64_t) 2940000,      // total txs
                     (double)  4576        // txs in the last day before block 2838000