tomFlowee
0a2e552168
This introduces a new BlockHeader helper class which Block and MutableBlock can both produce, which helps a lot of methods to be ported to no longer be dependent on us using a MutableBlock object, which is too costly to use when we have no intention to alter the block.
137 lines
4.9 KiB
C++
137 lines
4.9 KiB
C++
/*
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* This file is part of the Flowee project
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* Copyright (c) 2009-2010 Satoshi Nakamoto
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* Copyright (c) 2009-2015 The Bitcoin Core developers
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* Copyright (C) 2017 Tom Zander <tom@flowee.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef FLOWEE_CHAINPARAMS_H
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#define FLOWEE_CHAINPARAMS_H
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#include "chainparamsbase.h"
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#include "consensus/params.h"
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#include "primitives/MutableBlock.h"
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#include "protocol.h"
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struct CDNSSeedData {
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std::string name, host;
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CDNSSeedData(const std::string &strName, const std::string &strHost) : name(strName), host(strHost) {}
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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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int64_t nTimeLastCheckpoint;
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int64_t nTransactionsLastCheckpoint;
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double fTransactionsPerDay;
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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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/// return the original message-start
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const CMessageHeader::MessageStartChars& MessageStart() const { return pchMessageStart; }
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/// return either of the MessageStart/CashMessageStart based on config options.
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inline const CMessageHeader::MessageStartChars& magic() const { return pchMessageStartCash; }
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int GetDefaultPort() const { return nDefaultPort; }
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Block 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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int64_t MaxTipAge() const { return nMaxTipAge; }
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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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/** In the future use NetworkIDString() for RPC fields */
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bool TestnetToBeDeprecatedFieldRPC() const { return fTestnetToBeDeprecatedFieldRPC; }
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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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protected:
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CChainParams() {}
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Consensus::Params consensus;
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CMessageHeader::MessageStartChars pchMessageStart;
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CMessageHeader::MessageStartChars pchMessageStartCash;
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int nDefaultPort;
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long nMaxTipAge;
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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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Block 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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bool fTestnetToBeDeprecatedFieldRPC;
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CCheckpointData checkpointData;
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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 chain name.
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*/
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CChainParams& Params(const std::string& chain);
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bool ParamsConfigured();
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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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#endif
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