text: // Copyright (c) 2009-2010 Satoshi Nakamoto
  // Copyright (c) 2009-2014 The Bitcoin Core developers
  // Copyright (c) 2017-2018 The Cuckoocoin Core Developers
  // Distributed under the MIT software license, see the accompanying
  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
  
  #ifndef CUCKOOCOIN_CHAINPARAMS_H
  #define CUCKOOCOIN_CHAINPARAMS_H
  
  #include "chainparamsbase.h"
  #include "checkpoints.h"
  #include "consensus/params.h"
  #include "primitives/block.h"
  #include "protocol.h"
  
  #include <vector>
  
  struct CDNSSeedData {
      std::string name, host;
      CDNSSeedData(const std::string &strName, const std::string &strHost) : name(strName), host(strHost) {}
  };
  
  struct SeedSpec6 {
      uint8_t addr[16];
      uint16_t port;
  };
  
  
  /**
   * CChainParams defines various tweakable parameters of a given instance of the
   * Cuckoocoin system. There are three: the main network on which people trade goods
   * and services, the public test network which gets reset from time to time and
   * a regression test mode which is intended for private networks only. It has
   * minimal difficulty to ensure that blocks can be found instantly.
   */
  class CChainParams
  {
  public:
      enum Base58Type {
          PUBKEY_ADDRESS,
          SCRIPT_ADDRESS,
          SECRET_KEY,
          EXT_PUBLIC_KEY,
          EXT_SECRET_KEY,
  
          MAX_BASE58_TYPES
      };
  
      const Consensus::Params& GetConsensus() const { return consensus; }
      const CMessageHeader::MessageStartChars& MessageStart() const { return pchMessageStart; }
      const std::vector<unsigned char>& AlertKey() const { return vAlertPubKey; }
      int GetDefaultPort() const { return nDefaultPort; }
  
      /** Used if GenerateCuckoocoins is called with a negative number of threads */
      int DefaultMinerThreads() const { return nMinerThreads; }
      const CBlock& GenesisBlock() const { return genesis; }
      bool RequireRPCPassword() const { return fRequireRPCPassword; }
      /** Make miner wait to have peers to avoid wasting work */
      bool MiningRequiresPeers() const { return fMiningRequiresPeers; }
      /** Default value for -checkmempool and -checkblockindex argument */
      bool DefaultConsistencyChecks() const { return fDefaultConsistencyChecks; }
      /** Policy: Filter transactions that do not match well-defined patterns */
      bool RequireStandard() const { return fRequireStandard; }
      int64_t MaxTipAge() const { return nMaxTipAge; }
      int64_t PruneAfterHeight() const { return nPruneAfterHeight; }
      /** Make miner stop after a block is found. In RPC, don't return until nGenProcLimit blocks are generated */
      bool MineBlocksOnDemand() const { return fMineBlocksOnDemand; }
      /** In the future use NetworkIDString() for RPC fields */
      bool TestnetToBeDeprecatedFieldRPC() const { return fTestnetToBeDeprecatedFieldRPC; }
      /** Return the BIP70 network string (main, test or regtest) */
      std::string NetworkIDString() const { return strNetworkID; }
      const std::vector<CDNSSeedData>& DNSSeeds() const { return vSeeds; }
      const std::vector<unsigned char>& Base58Prefix(Base58Type type) const { return base58Prefixes[type]; }
      const std::vector<SeedSpec6>& FixedSeeds() const { return vFixedSeeds; }
      const Checkpoints::CCheckpointData& Checkpoints() const { return checkpointData; }
      /** Return the founder's reward address and script for a given block height */
      std::string GetFoundersRewardAddressAtHeight(int height) const;
      CScript GetFoundersRewardScriptAtHeight(int height) const;
      std::string GetFoundersRewardAddressAtIndex(int i) const;
  protected:
      CChainParams() {}
  
      Consensus::Params consensus;
      CMessageHeader::MessageStartChars pchMessageStart;
      //! Raw pub key bytes for the broadcast alert signing key.
      std::vector<unsigned char> vAlertPubKey;
      int nDefaultPort;
      int nMinerThreads;
      long nMaxTipAge;
      uint64_t nPruneAfterHeight;
      std::vector<CDNSSeedData> vSeeds;
      std::vector<unsigned char> base58Prefixes[MAX_BASE58_TYPES];
      std::string strNetworkID;
      CBlock genesis;
      std::vector<SeedSpec6> vFixedSeeds;
      bool fRequireRPCPassword;
      bool fMiningRequiresPeers;
      bool fDefaultConsistencyChecks;
      bool fRequireStandard;
      bool fMineBlocksOnDemand;
      bool fTestnetToBeDeprecatedFieldRPC;
      Checkpoints::CCheckpointData checkpointData;
      std::vector<std::string> vFoundersRewardAddress;
  };
  
  /**
   * Return the currently selected parameters. This won't change after app
   * startup, except for unit tests.
   */
  const CChainParams &Params();
  
  /** Return parameters for the given network. */
  CChainParams &Params(CBaseChainParams::Network network);
  
  /** Sets the params returned by Params() to those for the given network. */
  void SelectParams(CBaseChainParams::Network network);
  
  /**
   * Looks for -regtest or -testnet and then calls SelectParams as appropriate.
   * Returns false if an invalid combination is given.
   */
  bool SelectParamsFromCommandLine();
  
  #endif // CUCKOOCOIN_CHAINPARAMS_H
  