params: Update assumevalid and minimum chainwork

Author: achow101

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{"000000000000000000000000000000000000000063c4ebd298db40af57541800"};
-        consensus.defaultAssumeValid = uint256{"000000000000000000026811d149d4d261995ec5b3f64f439a0a10e1a464af9a"}; // 824000
+        consensus.nMinimumChainWork = uint256{"000000000000000000000000000000000000000088e186b70e0862c193ec44d6"};
+        consensus.defaultAssumeValid = uint256{"000000000000000000011c5890365bdbe5d25b97ce0057589acaef4f1a57263f"}; // 856760
 
         /**
          * The message start string is designed to be unlikely to occur in normal data.
@@ -240,8 +240,8 @@ class CTestNetParams : public CChainParams {
         consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nTimeout = 1628640000; // August 11th, 2021
         consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].min_activation_height = 0; // No activation delay
 
-        consensus.nMinimumChainWork = uint256{"000000000000000000000000000000000000000000000c59b14e264ba6c15db9"};
-        consensus.defaultAssumeValid = uint256{"000000000001323071f38f21ea5aae529ece491eadaccce506a59bcc2d968917"}; // 2550000
+        consensus.nMinimumChainWork = uint256{"000000000000000000000000000000000000000000000f209695166be8b61fa9"};
+        consensus.defaultAssumeValid = uint256{"000000000000000465b1a66c9f386308e8c75acef9201f3f577811da09fc90ad"}; // 2873500
 
         pchMessageStart[0] = 0x0b;
         pchMessageStart[1] = 0x11;
@@ -339,8 +339,8 @@ class CTestNet4Params : public CChainParams {
         consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
         consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].min_activation_height = 0; // No activation delay
 
-        consensus.nMinimumChainWork = uint256{"000000000000000000000000000000000000000000000056faca98a0cd9bdf5f"};
-        consensus.defaultAssumeValid = uint256{};
+        consensus.nMinimumChainWork = uint256{"00000000000000000000000000000000000000000000005faa15d02e6202f3ba"};
+        consensus.defaultAssumeValid = uint256{"000000005be348057db991fa5d89fe7c4695b667cfb311391a8db374b6f681fd"}; // 39550
 
         pchMessageStart[0] = 0x1c;
         pchMessageStart[1] = 0x16;
@@ -421,8 +421,8 @@ class SigNetParams : public CChainParams {
             vSeeds.emplace_back("178.128.221.177");
             vSeeds.emplace_back("v7ajjeirttkbnt32wpy3c6w3emwnfr3fkla7hpxcfokr3ysd3kqtzmqd.onion:38333");
 
-            consensus.nMinimumChainWork = uint256{"00000000000000000000000000000000000000000000000000000206e86f08e8"};
-            consensus.defaultAssumeValid = uint256{"0000000870f15246ba23c16e370a7ffb1fc8a3dcf8cb4492882ed4b0e3d4cd26"}; // 180000
+            consensus.nMinimumChainWork = uint256{"0000000000000000000000000000000000000000000000000000025dbd66e58f"};
+            consensus.defaultAssumeValid = uint256{"0000014aad1d58dddcb964dd749b073374c6306e716b22f573a2efe68d414539"}; // 208800
             m_assumed_blockchain_size = 2;
             m_assumed_chain_state_size = 0;
             chainTxData = ChainTxData{