Update checkpoints and chain params, adding a new checkpoint at block 885,248

Author: luke-jr

src/kernel/chainparams.cpp

@@ -115,8 +115,8 @@ class CMainParams : public CChainParams {
         consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nTimeout = 1628640000; // August 11th, 2021
         consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].min_activation_height = 709632; // Approximately November 12th, 2021
 
-        consensus.nMinimumChainWork = uint256{"000000000000000000000000000000000000000088e186b70e0862c193ec44d6"};
-        consensus.defaultAssumeValid = uint256{"000000000000000000011c5890365bdbe5d25b97ce0057589acaef4f1a57263f"}; // 856760
+        consensus.nMinimumChainWork = uint256{"0000000000000000000000000000000000000000b08ea5865bede3101629fa0e"};
+        consensus.defaultAssumeValid = uint256{"000000000000000000006e926737e6a349f7581525ad36e743dfe5f4bc3abbb7"}; // 885248
 
         /**
          * The message start string is designed to be unlikely to occur in normal data.
@@ -129,7 +129,7 @@ class CMainParams : public CChainParams {
         pchMessageStart[3] = 0xd9;
         nDefaultPort = 8333;
         nPruneAfterHeight = 100000;
-        m_assumed_blockchain_size = 620;
+        m_assumed_blockchain_size = 810;
         m_assumed_chain_state_size = 14;
 
         genesis = CreateGenesisBlock(1231006505, 2083236893, 0x1d00ffff, 1, 50 * COIN);
@@ -180,6 +180,31 @@ class CMainParams : public CChainParams {
                 {250000, uint256{"000000000000003887df1f29024b06fc2200b55f8af8f35453d7be294df2d214"}},
                 {279000, uint256{"0000000000000001ae8c72a0b0c301f67e3afca10e819efa9041e458e9bd7e40"}},
                 {295000, uint256{"00000000000000004d9b4ef50f0f9d686fd69db2e03af35a100370c64632a983"}},
+                {393216, uint256{"00000000000000000390df7d2bdc06b9fcb260b39e3fb15b4bc9f62572553924"}},
+                {421888, uint256{"000000000000000004b232ad9492d0729d7f9d6737399ffcdaac1c8160db5ef6"}},
+                {438784, uint256{"0000000000000000040d6ef667d7a52caf93d8e0d1e40fd7155c787b42667179"}},
+                {451840, uint256{"0000000000000000029103c8ade7786e7379623465c72d71d84624eb9c159bea"}},
+                {469766, uint256{"000000000000000000130b2bd812c6a7ae9c02a74fc111806b1dd11e8975da45"}},
+                {481824, uint256{"0000000000000000001c8018d9cb3b742ef25114f27563e3fc4a1902167f9893"}},
+                {514048, uint256{"00000000000000000022fe630be397a62c58972bb81f0a2d1ae8c968511a4659"}},
+                {553472, uint256{"0000000000000000000e06b6698a4f65ab9915f24b23ca2f9d1abf30cc3e9173"}},
+                {571392, uint256{"00000000000000000019c18b43077775fc299a6646ab0e9dbbd5770bf6ca392d"}},
+                {596000, uint256{"0000000000000000000706f93dc673ca366c810f317e7cfe8d951c0107b65223"}},
+                {601723, uint256{"000000000000000000009837f74796532b21d8ccf7def3dcfcb45aa92cd86b9e"}},
+                {617056, uint256{"0000000000000000000ca51b293fb2be2fbaf1acc76dcbbbff7e4d7796380b9e"}},
+                {632549, uint256{"00000000000000000001bae1b2b73ec3fde475c1ed7fdd382c2c49860ec19920"}},
+                {643700, uint256{"00000000000000000002959e9b44507120453344794df09bd1276eb325ed7110"}},
+                {667811, uint256{"00000000000000000007888a9d01313d69d6335df46ea33e875ee6832670c596"}},
+                {688888, uint256{"0000000000000000000e1e3bd783ce0de7b0cdabf2034723595dbcd5a28cf831"}},
+                {704256, uint256{"0000000000000000000465f5acfcd603337994261a4d67a647cb49866c98b538"}},
+                {714000, uint256{"0000000000000000000184f9b9da75c3ab764438f4f3ecd766637648a3a44d0d"}},
+                {737232, uint256{"0000000000000000000709881cc8d33f84815fe8ea1baad9889042146b4d3042"}},
+                {803584, uint256{"000000000000000000003d97a46dbbb4cca4b3e23c39c446df75cfe726163bb5"}},
+                {832080, uint256{"00000000000000000003349bda23ed5efc98145c10620c247ec93896ac249e22"}},
+                {843264, uint256{"0000000000000000000101209b4ab3570862dc3fac8633eb62938a541c55a2ff"}},
+                {846679, uint256{"000000000000000000032b91acdaaf16f8c40d46afeb835c3ac604860f905d56"}},
+                {855000, uint256{"0000000000000000000233ea80aa10d38aa4486cd7033fffc2c4df556d0b9138"}},
+                {885248, uint256{"000000000000000000006e926737e6a349f7581525ad36e743dfe5f4bc3abbb7"}},
             }
         };
 
@@ -193,10 +218,10 @@ class CMainParams : public CChainParams {
         };
 
         chainTxData = ChainTxData{
-            // Data from RPC: getchaintxstats 4096 000000000000000000011c5890365bdbe5d25b97ce0057589acaef4f1a57263f
-            .nTime    = 1723649144,
-            .tx_count = 1059312821,
-            .dTxRate  = 6.721086701157182,
+            // Data from RPC: getchaintxstats 4096 00000000000000000000ab8f76c0f2786ee0272b394ef8ee677f340918fb567a
+            .nTime    = 1740536534,
+            .tx_count = 1160003905,
+            .dTxRate  = 6.721086701157182,  // held back due to present abnormal tx rate
         };
     }
 };