message: Add mainnet and testnet taproot activation params
diff: @@ -87,9 +87,9 @@ public:
  // Deployment of Taproot (BIPs 340-342)
  consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].bit = 2;
  - consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
  - consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
  - consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].min_activation_height = 0; // No activation delay
  + consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nStartTime = 1619222400; // April 24th, 2021
  + 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("0x000000000000000000000000000000000000000000000000002a0fac8b39f476"); // 350000
  consensus.defaultAssumeValid = uint256S("0xa3a0ffa0dbca75923ad6a53d3878d62f8b35c363282df3f13ded9e4fda921e63"); // 380000
  @@ -206,8 +206,8 @@ public:
  // Deployment of Taproot (BIPs 340-342)
  consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].bit = 2;
  - consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
  - consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
  + consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nStartTime = 1619222400; // April 24th, 2021
  + 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("0x00");
  