chainparams.h

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// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2016 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
#ifndef BITCOIN_CHAINPARAMS_H
#define BITCOIN_CHAINPARAMS_H
 
#include "chainparamsbase.h"
#include "consensus/params.h"
#include "primitives/block.h"
#include "protocol.h"
 
#include <vector>
 
struct CDNSSeedData {
    std::string name, host;
    bool supportsServiceBitsFiltering;
    CDNSSeedData(const std::string &strName, const std::string &strHost, bool supportsServiceBitsFilteringIn = false) : name(strName), host(strHost), supportsServiceBitsFiltering(supportsServiceBitsFilteringIn) {}
};
 
struct SeedSpec6 {
    uint8_t addr[16];
    uint16_t port;
};
 
typedef std::map<int, uint256> MapCheckpoints;
 
struct CCheckpointData {
    MapCheckpoints mapCheckpoints;
};
 
struct ChainTxData {
    int64_t nTime;
    int64_t nTxCount;
    double dTxRate;
};
 
class CChainParams
{
public:
    enum Base58Type {
        PUBKEY_ADDRESS,
        SCRIPT_ADDRESS,
        SECRET_KEY,
        EXT_PUBLIC_KEY,
        EXT_SECRET_KEY,
 
        MAX_BASE58_TYPES
    };
 
    const Consensus::Params& GetConsensus(uint32_t nTargetHeight) const {
        return *(pConsensusRoot -> GetConsensus(nTargetHeight));
    }
 
    const CMessageHeader::MessageStartChars& MessageStart() const { return pchMessageStart; }
    const std::vector<unsigned char>& AlertKey() const { return vAlertPubKey; }
    int GetDefaultPort() const { return nDefaultPort; }
 
    const CBlock& GenesisBlock() const { return genesis; }
    bool MiningRequiresPeers() const { return fMiningRequiresPeers; }
    bool DefaultConsistencyChecks() const { return fDefaultConsistencyChecks; }
    bool RequireStandard() const { return fRequireStandard; }
    uint64_t PruneAfterHeight() const { return nPruneAfterHeight; }
    bool MineBlocksOnDemand() const { return fMineBlocksOnDemand; }
    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 CCheckpointData& Checkpoints() const { return checkpointData; }
    const ChainTxData& TxData() const { return chainTxData; }
 
protected:
    CChainParams() {}
 
    Consensus::Params consensus;
    Consensus::Params *pConsensusRoot; // Binary search tree root
    CMessageHeader::MessageStartChars pchMessageStart;
    std::vector<unsigned char> vAlertPubKey;
    int nDefaultPort;
    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 fMiningRequiresPeers;
    bool fDefaultConsistencyChecks;
    bool fRequireStandard;
    bool fMineBlocksOnDemand;
    CCheckpointData checkpointData;
    ChainTxData chainTxData;
};
 
const CChainParams &Params();
 
CChainParams& Params(const std::string& chain);
 
void SelectParams(const std::string& chain);
 
void UpdateRegtestBIP9Parameters(Consensus::DeploymentPos d, int64_t nStartTime, int64_t nTimeout);
 
#endif // BITCOIN_CHAINPARAMS_H