message: Update assumed chain params
  Note: 10% overhead to the base value of `mainnet` in `m_assumed_blockchain_size`
diff: @@ -302,15 +302,15 @@ public:
  vSeeds.emplace_back("2a01:7c8:d005:390::5");
  vSeeds.emplace_back("v7ajjeirttkbnt32wpy3c6w3emwnfr3fkla7hpxcfokr3ysd3kqtzmqd.onion:38333");
  - consensus.nMinimumChainWork = uint256S("0x00000000000000000000000000000000000000000000000000000019fd16269a");
  - consensus.defaultAssumeValid = uint256S("0x0000002a1de0f46379358c1fd09906f7ac59adf3712323ed90eb59e4c183c020"); // 9434
  + consensus.nMinimumChainWork = uint256S("0x0000000000000000000000000000000000000000000000000000008546553c03");
  + consensus.defaultAssumeValid = uint256S("0x000000187d4440e5bff91488b700a140441e089a8aaea707414982460edbfe54"); // 47200
  m_assumed_blockchain_size = 1;
  m_assumed_chain_state_size = 0;
  chainTxData = ChainTxData{
  - // Data from RPC: getchaintxstats 4096 0000002a1de0f46379358c1fd09906f7ac59adf3712323ed90eb59e4c183c020
  - /* nTime */ 1603986000,
  - /* nTxCount */ 9582,
  - /* dTxRate */ 0.00159272030651341,
  + // Data from RPC: getchaintxstats 4096 000000187d4440e5bff91488b700a140441e089a8aaea707414982460edbfe54
  + /* nTime */ 1626696658,
  + /* nTxCount */ 387761,
  + /* dTxRate */ 0.04035946932424404,
  };
  } else {
  const auto signet_challenge = args.GetArgs("-signetchallenge");
  