173 lines
6.8 KiB
C++
173 lines
6.8 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2015 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 <memory>
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#include <vector>
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struct CDNSSeedData {
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std::string host;
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bool supportsServiceBitsFiltering;
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CDNSSeedData(const std::string &strHost, bool supportsServiceBitsFilteringIn) : 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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* Dash 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, // BIP16
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EXT_PUBLIC_KEY, // BIP32
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EXT_SECRET_KEY, // BIP32
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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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const CBlock& DevNetGenesisBlock() const { return devnetGenesis; }
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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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/** Require addresses specified with "-externalip" parameter to be routable */
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bool RequireRoutableExternalIP() const { return fRequireRoutableExternalIP; }
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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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/** Allow multiple addresses to be selected from the same network group (e.g. 192.168.x.x) */
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bool AllowMultipleAddressesFromGroup() const { return fAllowMultipleAddressesFromGroup; }
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/** Allow nodes with the same address and multiple ports */
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bool AllowMultiplePorts() const { return fAllowMultiplePorts; }
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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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int ExtCoinType() const { return nExtCoinType; }
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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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void UpdateVersionBitsParameters(Consensus::DeploymentPos d, int64_t nStartTime, int64_t nTimeout, int64_t nWindowSize, int64_t nThreshold);
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void UpdateDIP3Parameters(int nActivationHeight, int nEnforcementHeight);
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void UpdateBudgetParameters(int nMasternodePaymentsStartBlock, int nBudgetPaymentsStartBlock, int nSuperblockStartBlock);
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void UpdateSubsidyAndDiffParams(int nMinimumDifficultyBlocks, int nHighSubsidyBlocks, int nHighSubsidyFactor);
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void UpdateLLMQChainLocks(Consensus::LLMQType llmqType);
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int PoolMinParticipants() const { return nPoolMinParticipants; }
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int PoolMaxParticipants() const { return nPoolMaxParticipants; }
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int FulfilledRequestExpireTime() const { return nFulfilledRequestExpireTime; }
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const std::vector<std::string>& SporkAddresses() const { return vSporkAddresses; }
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int MinSporkKeys() const { return nMinSporkKeys; }
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bool BIP9CheckMasternodesUpgraded() const { return fBIP9CheckMasternodesUpgraded; }
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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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int nExtCoinType;
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std::string strNetworkID;
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CBlock genesis;
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CBlock devnetGenesis;
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std::vector<SeedSpec6> vFixedSeeds;
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bool fDefaultConsistencyChecks;
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bool fRequireStandard;
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bool fRequireRoutableExternalIP;
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bool fMineBlocksOnDemand;
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bool fAllowMultipleAddressesFromGroup;
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bool fAllowMultiplePorts;
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CCheckpointData checkpointData;
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ChainTxData chainTxData;
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int nPoolMinParticipants;
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int nPoolMaxParticipants;
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int nFulfilledRequestExpireTime;
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std::vector<std::string> vSporkAddresses;
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int nMinSporkKeys;
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bool fBIP9CheckMasternodesUpgraded;
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};
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/**
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* Creates and returns a std::unique_ptr<CChainParams> of the chosen chain.
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* @returns a CChainParams* of the chosen chain.
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* @throws a std::runtime_error if the chain is not supported.
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*/
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std::unique_ptr<CChainParams> CreateChainParams(const std::string& chain);
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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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* 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 Version Bits regtest parameters.
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*/
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void UpdateVersionBitsParameters(Consensus::DeploymentPos d, int64_t nStartTime, int64_t nTimeout, int64_t nWindowSize, int64_t nThreshold);
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/**
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* Allows modifying the DIP3 activation and enforcement height
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*/
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void UpdateDIP3Parameters(int nActivationHeight, int nEnforcementHeight);
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/**
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* Allows modifying the budget regtest parameters.
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*/
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void UpdateBudgetParameters(int nMasternodePaymentsStartBlock, int nBudgetPaymentsStartBlock, int nSuperblockStartBlock);
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/**
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* Allows modifying the subsidy and difficulty devnet parameters.
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*/
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void UpdateDevnetSubsidyAndDiffParams(int nMinimumDifficultyBlocks, int nHighSubsidyBlocks, int nHighSubsidyFactor);
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/**
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* Allows modifying the LLMQ type for ChainLocks.
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*/
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void UpdateDevnetLLMQChainLocks(Consensus::LLMQType llmqType);
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#endif // BITCOIN_CHAINPARAMS_H
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