kernel: update nMinimumChainWork & defaultAssumeValid for 26.x

Author: fanquake

src/kernel/chainparams.cpp

@@ -104,8 +104,8 @@ 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 = uint256S("0x000000000000000000000000000000000000000044a50fe819c39ad624021859");
-        consensus.defaultAssumeValid = uint256S("0x000000000000000000035c3f0d31e71a5ee24c5aaf3354689f65bd7b07dee632"); // 784000
+        consensus.nMinimumChainWork = uint256S("0x000000000000000000000000000000000000000052b2559353df4117b7348b64");
+        consensus.defaultAssumeValid = uint256S("0x00000000000000000001a0a448d6cf2546b06801389cc030b2b18c6491266815"); // 804000
 
         /**
          * The message start string is designed to be unlikely to occur in normal data.
@@ -222,8 +222,8 @@ 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 = uint256S("0x000000000000000000000000000000000000000000000977edb0244170858d07");
-        consensus.defaultAssumeValid = uint256S("0x0000000000000021bc50a89cde4870d4a81ffe0153b3c8de77b435a2fd3f6761"); // 2429000
+        consensus.nMinimumChainWork = uint256S("0x000000000000000000000000000000000000000000000b6a51f415a67c0da307");
+        consensus.defaultAssumeValid = uint256S("0x0000000000000093bcb68c03a9a168ae252572d348a2eaeba2cdf9231d73206f"); // 2500000
 
         pchMessageStart[0] = 0x0b;
         pchMessageStart[1] = 0x11;
@@ -302,8 +302,8 @@ class SigNetParams : public CChainParams {
             vSeeds.emplace_back("178.128.221.177");
             vSeeds.emplace_back("v7ajjeirttkbnt32wpy3c6w3emwnfr3fkla7hpxcfokr3ysd3kqtzmqd.onion:38333");
 
-            consensus.nMinimumChainWork = uint256S("0x000000000000000000000000000000000000000000000000000001899d8142b0");
-            consensus.defaultAssumeValid = uint256S("0x0000004429ef154f7e00b4f6b46bfbe2d2678ecd351d95bbfca437ab9a5b84ec"); // 138000
+            consensus.nMinimumChainWork = uint256S("0x000000000000000000000000000000000000000000000000000001ad46be4862");
+            consensus.defaultAssumeValid = uint256S("0x0000013d778ba3f914530f11f6b69869c9fab54acff85acd7b8201d111f19b7f"); // 150000
             m_assumed_blockchain_size = 1;
             m_assumed_chain_state_size = 0;
             chainTxData = ChainTxData{