51ed9ec971
Use misc methods of avoiding unnecesary header includes. Replace int typedefs with int##_t from stdint.h. Replace PRI64[xdu] with PRI[xdu]64 from inttypes.h. Normalize QT_VERSION ifs where possible. Resolve some indirect dependencies as direct ones. Remove extern declarations from .cpp files.
109 lines
3.3 KiB
C++
109 lines
3.3 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2013 The Bitcoin developers
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// Distributed under the MIT/X11 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_CHAIN_PARAMS_H
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#define BITCOIN_CHAIN_PARAMS_H
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#include "bignum.h"
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#include "uint256.h"
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#include <vector>
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using namespace std;
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#define MESSAGE_START_SIZE 4
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typedef unsigned char MessageStartChars[MESSAGE_START_SIZE];
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class CAddress;
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class CBlock;
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struct CDNSSeedData {
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string name, host;
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CDNSSeedData(const string &strName, const string &strHost) : name(strName), host(strHost) {}
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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 Network {
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MAIN,
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TESTNET,
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REGTEST,
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MAX_NETWORK_TYPES
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};
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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 uint256& HashGenesisBlock() const { return hashGenesisBlock; }
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const MessageStartChars& MessageStart() const { return pchMessageStart; }
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const vector<unsigned char>& AlertKey() const { return vAlertPubKey; }
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int GetDefaultPort() const { return nDefaultPort; }
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const CBigNum& ProofOfWorkLimit() const { return bnProofOfWorkLimit; }
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int SubsidyHalvingInterval() const { return nSubsidyHalvingInterval; }
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virtual const CBlock& GenesisBlock() const = 0;
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virtual bool RequireRPCPassword() const { return true; }
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const string& DataDir() const { return strDataDir; }
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virtual Network NetworkID() const = 0;
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const 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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virtual const vector<CAddress>& FixedSeeds() const = 0;
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int RPCPort() const { return nRPCPort; }
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protected:
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CChainParams() {}
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uint256 hashGenesisBlock;
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MessageStartChars pchMessageStart;
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// Raw pub key bytes for the broadcast alert signing key.
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vector<unsigned char> vAlertPubKey;
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int nDefaultPort;
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int nRPCPort;
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CBigNum bnProofOfWorkLimit;
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int nSubsidyHalvingInterval;
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string strDataDir;
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vector<CDNSSeedData> vSeeds;
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std::vector<unsigned char> base58Prefixes[MAX_BASE58_TYPES];
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};
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/**
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* Return the currently selected parameters. This won't change after app startup
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* outside of the unit tests.
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*/
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const CChainParams &Params();
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/** Sets the params returned by Params() to those for the given network. */
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void SelectParams(CChainParams::Network network);
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/**
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* Looks for -regtest or -testnet and then calls SelectParams as appropriate.
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* Returns false if an invalid combination is given.
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*/
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bool SelectParamsFromCommandLine();
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inline bool TestNet() {
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// Note: it's deliberate that this returns "false" for regression test mode.
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return Params().NetworkID() == CChainParams::TESTNET;
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}
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inline bool RegTest() {
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return Params().NetworkID() == CChainParams::REGTEST;
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}
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#endif
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