Add checkpoint

Author: ComputerCraftr

src/chainparams.cpp

@@ -130,8 +130,8 @@ class CMainParams : public CChainParams {
         consensus.mTreasuryPayees.emplace(CScript() << OP_0 << ParseHex("978a5064cd1fdf8c2510fe3fcbd65eaa5e98b32d"), 100); // 10% (full reward) for ep1qj799qexdrl0ccfgslcluh4j74f0f3vedatcv0k
         consensus.nTreasuryRewardPercentage = 10; // 10% of block reward goes to treasury
 
-        consensus.nMinimumChainWork = uint256S("0x000000000000000000000000000000000000000000003fa7ba3d05488b7c8c43");
-        consensus.defaultAssumeValid = uint256S("0xcf9360a5acf99d45a8d2f86c0f8141734c61088294fb1934b6ca7dce8617968c"); // 400000
+        consensus.nMinimumChainWork = uint256S("0x000000000000000000000000000000000000000000004d4a27e34ba8c684ba2b");
+        consensus.defaultAssumeValid = uint256S("0x5fbff547e15f6ad22cad7dad4a79dd5ed893552ea809a10400cc618e52a2be91"); // 450000
 
         /**
          * The message start string is designed to be unlikely to occur in normal data.
@@ -201,14 +201,15 @@ class CMainParams : public CChainParams {
                 { 300000, uint256S("46c0269c51758613e434ed68460a14237e783280d4b23328ae64cf6177aca609")},
                 { 350000, uint256S("7ece4c4e3332cde2a53ef8ebaa1de6744482d946de38aa76586913fb0a97ab05")},
                 { 400000, uint256S("cf9360a5acf99d45a8d2f86c0f8141734c61088294fb1934b6ca7dce8617968c")},
+                { 450000, uint256S("5fbff547e15f6ad22cad7dad4a79dd5ed893552ea809a10400cc618e52a2be91")},
             }
         };
 
         chainTxData = ChainTxData{
-            // Data from RPC: getchaintxstats 30720 cf9360a5acf99d45a8d2f86c0f8141734c61088294fb1934b6ca7dce8617968c
-            /* nTime    */ 1640996208,
-            /* nTxCount */ 816818,
-            /* dTxRate  */ 0.02559833039273345,
+            // Data from RPC: getchaintxstats 30720 5fbff547e15f6ad22cad7dad4a79dd5ed893552ea809a10400cc618e52a2be91
+            /* nTime    */ 1644990128,
+            /* nTxCount */ 920206,
+            /* dTxRate  */ 0.02603273603057632,
         };
     }
 };

src/kernel.cpp

@@ -28,6 +28,7 @@ static const std::map<int, unsigned int> mapStakeModifierCheckpoints = {
     { 300000, 0x9bb2d8e3u },
     { 350000, 0x4d95e3f4u },
     { 400000, 0x13ac8c66u },
+    { 450000, 0xc85e93eau },
 };
 
 static const std::map<int, unsigned int> mapStakeModifierTestnetCheckpoints = {