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122 lines
4.2 KiB
122 lines
4.2 KiB
// Copyright (c) 2009-2010 Satoshi Nakamoto |
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// Copyright (c) 2009-2016 The Bitcoin Core developers |
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// Distributed under the MIT software license, see the accompanying |
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// file COPYING or http://www.opensource.org/licenses/mit-license.php. |
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#ifndef BITCOIN_CHAINPARAMS_H |
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#define BITCOIN_CHAINPARAMS_H |
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#include "chainparamsbase.h" |
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#include "consensus/params.h" |
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#include "primitives/block.h" |
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#include "protocol.h" |
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#include <vector> |
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struct CDNSSeedData { |
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std::string name, host; |
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bool supportsServiceBitsFiltering; |
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CDNSSeedData(const std::string &strName, const std::string &strHost, bool supportsServiceBitsFilteringIn = false) : name(strName), host(strHost), supportsServiceBitsFiltering(supportsServiceBitsFilteringIn) {} |
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}; |
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struct SeedSpec6 { |
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uint8_t addr[16]; |
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uint16_t port; |
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}; |
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typedef std::map<int, uint256> MapCheckpoints; |
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struct CCheckpointData { |
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MapCheckpoints mapCheckpoints; |
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}; |
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struct ChainTxData { |
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int64_t nTime; |
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int64_t nTxCount; |
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double dTxRate; |
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}; |
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/** |
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* CChainParams defines various tweakable parameters of a given instance of the |
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* Bitcoin system. There are three: the main network on which people trade goods |
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* and services, the public test network which gets reset from time to time and |
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* a regression test mode which is intended for private networks only. It has |
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* minimal difficulty to ensure that blocks can be found instantly. |
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*/ |
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class CChainParams |
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{ |
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public: |
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enum Base58Type { |
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PUBKEY_ADDRESS, |
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SCRIPT_ADDRESS, |
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SECRET_KEY, |
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EXT_PUBLIC_KEY, |
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EXT_SECRET_KEY, |
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MAX_BASE58_TYPES |
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}; |
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const Consensus::Params& GetConsensus() const { return consensus; } |
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const CMessageHeader::MessageStartChars& MessageStart() const { return pchMessageStart; } |
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int GetDefaultPort() const { return nDefaultPort; } |
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const CBlock& GenesisBlock() const { return genesis; } |
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/** Make miner wait to have peers to avoid wasting work */ |
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bool MiningRequiresPeers() const { return fMiningRequiresPeers; } |
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/** Default value for -checkmempool and -checkblockindex argument */ |
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bool DefaultConsistencyChecks() const { return fDefaultConsistencyChecks; } |
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/** Policy: Filter transactions that do not match well-defined patterns */ |
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bool RequireStandard() const { return fRequireStandard; } |
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uint64_t PruneAfterHeight() const { return nPruneAfterHeight; } |
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/** Make miner stop after a block is found. In RPC, don't return until nGenProcLimit blocks are generated */ |
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bool MineBlocksOnDemand() const { return fMineBlocksOnDemand; } |
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/** Return the BIP70 network string (main, test or regtest) */ |
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std::string NetworkIDString() const { return strNetworkID; } |
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const std::vector<CDNSSeedData>& DNSSeeds() const { return vSeeds; } |
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const std::vector<unsigned char>& Base58Prefix(Base58Type type) const { return base58Prefixes[type]; } |
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const std::vector<SeedSpec6>& FixedSeeds() const { return vFixedSeeds; } |
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const CCheckpointData& Checkpoints() const { return checkpointData; } |
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const ChainTxData& TxData() const { return chainTxData; } |
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protected: |
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CChainParams() {} |
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Consensus::Params consensus; |
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CMessageHeader::MessageStartChars pchMessageStart; |
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int nDefaultPort; |
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uint64_t nPruneAfterHeight; |
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std::vector<CDNSSeedData> vSeeds; |
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std::vector<unsigned char> base58Prefixes[MAX_BASE58_TYPES]; |
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std::string strNetworkID; |
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CBlock genesis; |
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std::vector<SeedSpec6> vFixedSeeds; |
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bool fMiningRequiresPeers; |
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bool fDefaultConsistencyChecks; |
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bool fRequireStandard; |
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bool fMineBlocksOnDemand; |
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CCheckpointData checkpointData; |
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ChainTxData chainTxData; |
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}; |
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/** |
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* Return the currently selected parameters. This won't change after app |
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* startup, except for unit tests. |
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*/ |
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const CChainParams &Params(); |
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/** |
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* @returns CChainParams for the given BIP70 chain name. |
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*/ |
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CChainParams& Params(const std::string& chain); |
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/** |
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* Sets the params returned by Params() to those for the given BIP70 chain name. |
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* @throws std::runtime_error when the chain is not supported. |
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*/ |
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void SelectParams(const std::string& chain); |
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/** |
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* Allows modifying the BIP9 regtest parameters. |
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*/ |
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void UpdateRegtestBIP9Parameters(Consensus::DeploymentPos d, int64_t nStartTime, int64_t nTimeout); |
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#endif // BITCOIN_CHAINPARAMS_H
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