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Consensus: Refactor: Introduce Consensus::Params class

tags/v0.15.1
Jorge Timón 5 years ago
parent
commit
bd006110fb
4 changed files with 70 additions and 49 deletions
  1. 1
    0
      src/Makefile.am
  2. 23
    28
      src/chainparams.cpp
  3. 14
    21
      src/chainparams.h
  4. 32
    0
      src/consensus/params.h

+ 1
- 0
src/Makefile.am View File

@@ -87,6 +87,7 @@ BITCOIN_CORE_H = \
coins.h \
compat.h \
compressor.h \
consensus/params.h \
core_io.h \
wallet/db.h \
eccryptoverify.h \

+ 23
- 28
src/chainparams.cpp View File

@@ -101,6 +101,14 @@ class CMainParams : public CChainParams {
public:
CMainParams() {
strNetworkID = "main";
consensus.nSubsidyHalvingInterval = 210000;
consensus.nMajorityEnforceBlockUpgrade = 750;
consensus.nMajorityRejectBlockOutdated = 950;
consensus.nMajorityWindow = 1000;
consensus.powLimit = ~arith_uint256(0) >> 32;
consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
consensus.nPowTargetSpacing = 10 * 60;
consensus.fPowAllowMinDifficultyBlocks = false;
/**
* The message start string is designed to be unlikely to occur in normal data.
* The characters are rarely used upper ASCII, not valid as UTF-8, and produce
@@ -112,14 +120,7 @@ public:
pchMessageStart[3] = 0xd9;
vAlertPubKey = ParseHex("04fc9702847840aaf195de8442ebecedf5b095cdbb9bc716bda9110971b28a49e0ead8564ff0db22209e0374782c093bb899692d524e9d6a6956e7c5ecbcd68284");
nDefaultPort = 8333;
bnProofOfWorkLimit = ~arith_uint256(0) >> 32;
nSubsidyHalvingInterval = 210000;
nEnforceBlockUpgradeMajority = 750;
nRejectBlockOutdatedMajority = 950;
nToCheckBlockUpgradeMajority = 1000;
nMinerThreads = 0;
nTargetTimespan = 14 * 24 * 60 * 60; // two weeks
nTargetSpacing = 10 * 60;

/**
* Build the genesis block. Note that the output of the genesis coinbase cannot
@@ -146,8 +147,8 @@ public:
genesis.nBits = 0x1d00ffff;
genesis.nNonce = 2083236893;

hashGenesisBlock = genesis.GetHash();
assert(hashGenesisBlock == uint256S("0x000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f"));
consensus.hashGenesisBlock = genesis.GetHash();
assert(consensus.hashGenesisBlock == uint256S("0x000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f"));
assert(genesis.hashMerkleRoot == uint256S("0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"));

vSeeds.push_back(CDNSSeedData("bitcoin.sipa.be", "seed.bitcoin.sipa.be"));
@@ -167,7 +168,6 @@ public:
fRequireRPCPassword = true;
fMiningRequiresPeers = true;
fDefaultCheckMemPool = false;
fAllowMinDifficultyBlocks = false;
fRequireStandard = true;
fMineBlocksOnDemand = false;
fTestnetToBeDeprecatedFieldRPC = false;
@@ -187,24 +187,23 @@ class CTestNetParams : public CMainParams {
public:
CTestNetParams() {
strNetworkID = "test";
consensus.nMajorityEnforceBlockUpgrade = 51;
consensus.nMajorityRejectBlockOutdated = 75;
consensus.nMajorityWindow = 100;
consensus.fPowAllowMinDifficultyBlocks = true;
pchMessageStart[0] = 0x0b;
pchMessageStart[1] = 0x11;
pchMessageStart[2] = 0x09;
pchMessageStart[3] = 0x07;
vAlertPubKey = ParseHex("04302390343f91cc401d56d68b123028bf52e5fca1939df127f63c6467cdf9c8e2c14b61104cf817d0b780da337893ecc4aaff1309e536162dabbdb45200ca2b0a");
nDefaultPort = 18333;
nEnforceBlockUpgradeMajority = 51;
nRejectBlockOutdatedMajority = 75;
nToCheckBlockUpgradeMajority = 100;
nMinerThreads = 0;
nTargetTimespan = 14 * 24 * 60 * 60; //! two weeks
nTargetSpacing = 10 * 60;

//! Modify the testnet genesis block so the timestamp is valid for a later start.
genesis.nTime = 1296688602;
genesis.nNonce = 414098458;
hashGenesisBlock = genesis.GetHash();
assert(hashGenesisBlock == uint256S("0x000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943"));
consensus.hashGenesisBlock = genesis.GetHash();
assert(consensus.hashGenesisBlock == uint256S("0x000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943"));

vFixedSeeds.clear();
vSeeds.clear();
@@ -224,7 +223,6 @@ public:
fRequireRPCPassword = true;
fMiningRequiresPeers = true;
fDefaultCheckMemPool = false;
fAllowMinDifficultyBlocks = true;
fRequireStandard = false;
fMineBlocksOnDemand = false;
fTestnetToBeDeprecatedFieldRPC = true;
@@ -243,24 +241,22 @@ class CRegTestParams : public CTestNetParams {
public:
CRegTestParams() {
strNetworkID = "regtest";
consensus.nSubsidyHalvingInterval = 150;
consensus.nMajorityEnforceBlockUpgrade = 750;
consensus.nMajorityRejectBlockOutdated = 950;
consensus.nMajorityWindow = 1000;
consensus.powLimit = ~arith_uint256(0) >> 1;
pchMessageStart[0] = 0xfa;
pchMessageStart[1] = 0xbf;
pchMessageStart[2] = 0xb5;
pchMessageStart[3] = 0xda;
nSubsidyHalvingInterval = 150;
nEnforceBlockUpgradeMajority = 750;
nRejectBlockOutdatedMajority = 950;
nToCheckBlockUpgradeMajority = 1000;
nMinerThreads = 1;
nTargetTimespan = 14 * 24 * 60 * 60; //! two weeks
nTargetSpacing = 10 * 60;
bnProofOfWorkLimit = ~arith_uint256(0) >> 1;
genesis.nTime = 1296688602;
genesis.nBits = 0x207fffff;
genesis.nNonce = 2;
hashGenesisBlock = genesis.GetHash();
consensus.hashGenesisBlock = genesis.GetHash();
nDefaultPort = 18444;
assert(hashGenesisBlock == uint256S("0x0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206"));
assert(consensus.hashGenesisBlock == uint256S("0x0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206"));

vFixedSeeds.clear(); //! Regtest mode doesn't have any fixed seeds.
vSeeds.clear(); //! Regtest mode doesn't have any DNS seeds.
@@ -268,7 +264,6 @@ public:
fRequireRPCPassword = false;
fMiningRequiresPeers = false;
fDefaultCheckMemPool = true;
fAllowMinDifficultyBlocks = true;
fRequireStandard = false;
fMineBlocksOnDemand = true;
fTestnetToBeDeprecatedFieldRPC = false;

+ 14
- 21
src/chainparams.h View File

@@ -6,11 +6,12 @@
#ifndef BITCOIN_CHAINPARAMS_H
#define BITCOIN_CHAINPARAMS_H

#include "arith_uint256.h"
#include "chainparamsbase.h"
#include "checkpoints.h"
#include "consensus/params.h"
#include "primitives/block.h"
#include "protocol.h"
#include "arith_uint256.h"

#include <vector>

@@ -39,16 +40,16 @@ public:
MAX_BASE58_TYPES
};

const uint256& HashGenesisBlock() const { return hashGenesisBlock; }
const Consensus::Params& GetConsensus() const { return consensus; }
const uint256& HashGenesisBlock() const { return consensus.hashGenesisBlock; }
const CMessageHeader::MessageStartChars& MessageStart() const { return pchMessageStart; }
const std::vector<unsigned char>& AlertKey() const { return vAlertPubKey; }
int GetDefaultPort() const { return nDefaultPort; }
const arith_uint256& ProofOfWorkLimit() const { return bnProofOfWorkLimit; }
int SubsidyHalvingInterval() const { return nSubsidyHalvingInterval; }
/** Used to check majorities for block version upgrade */
int EnforceBlockUpgradeMajority() const { return nEnforceBlockUpgradeMajority; }
int RejectBlockOutdatedMajority() const { return nRejectBlockOutdatedMajority; }
int ToCheckBlockUpgradeMajority() const { return nToCheckBlockUpgradeMajority; }
const arith_uint256& ProofOfWorkLimit() const { return consensus.powLimit; }
int SubsidyHalvingInterval() const { return consensus.nSubsidyHalvingInterval; }
int EnforceBlockUpgradeMajority() const { return consensus.nMajorityEnforceBlockUpgrade; }
int RejectBlockOutdatedMajority() const { return consensus.nMajorityRejectBlockOutdated; }
int ToCheckBlockUpgradeMajority() const { return consensus.nMajorityWindow; }

/** Used if GenerateBitcoins is called with a negative number of threads */
int DefaultMinerThreads() const { return nMinerThreads; }
@@ -59,12 +60,12 @@ public:
/** Default value for -checkmempool argument */
bool DefaultCheckMemPool() const { return fDefaultCheckMemPool; }
/** Allow mining of a min-difficulty block */
bool AllowMinDifficultyBlocks() const { return fAllowMinDifficultyBlocks; }
bool AllowMinDifficultyBlocks() const { return consensus.fPowAllowMinDifficultyBlocks; }
/** Make standard checks */
bool RequireStandard() const { return fRequireStandard; }
int64_t TargetTimespan() const { return nTargetTimespan; }
int64_t TargetSpacing() const { return nTargetSpacing; }
int64_t DifficultyAdjustmentInterval() const { return nTargetTimespan / nTargetSpacing; }
int64_t TargetTimespan() const { return consensus.nPowTargetTimespan; }
int64_t TargetSpacing() const { return consensus.nPowTargetSpacing; }
int64_t DifficultyAdjustmentInterval() const { return consensus.nPowTargetTimespan / consensus.nPowTargetSpacing; }
/** Make miner stop after a block is found. In RPC, don't return until nGenProcLimit blocks are generated */
bool MineBlocksOnDemand() const { return fMineBlocksOnDemand; }
/** In the future use NetworkIDString() for RPC fields */
@@ -78,18 +79,11 @@ public:
protected:
CChainParams() {}

uint256 hashGenesisBlock;
Consensus::Params consensus;
CMessageHeader::MessageStartChars pchMessageStart;
//! Raw pub key bytes for the broadcast alert signing key.
std::vector<unsigned char> vAlertPubKey;
int nDefaultPort;
arith_uint256 bnProofOfWorkLimit;
int nSubsidyHalvingInterval;
int nEnforceBlockUpgradeMajority;
int nRejectBlockOutdatedMajority;
int nToCheckBlockUpgradeMajority;
int64_t nTargetTimespan;
int64_t nTargetSpacing;
int nMinerThreads;
std::vector<CDNSSeedData> vSeeds;
std::vector<unsigned char> base58Prefixes[MAX_BASE58_TYPES];
@@ -99,7 +93,6 @@ protected:
bool fRequireRPCPassword;
bool fMiningRequiresPeers;
bool fDefaultCheckMemPool;
bool fAllowMinDifficultyBlocks;
bool fRequireStandard;
bool fMineBlocksOnDemand;
bool fTestnetToBeDeprecatedFieldRPC;

+ 32
- 0
src/consensus/params.h View File

@@ -0,0 +1,32 @@
// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2014 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_CONSENSUS_CONSENSUS_PARAMS_H
#define BITCOIN_CONSENSUS_CONSENSUS_PARAMS_H

#include "arith_uint256.h"
#include "uint256.h"

namespace Consensus {
/**
* Parameters that influence chain consensus.
*/
struct Params {
uint256 hashGenesisBlock;
int nSubsidyHalvingInterval;
/** Used to check majorities for block version upgrade */
int nMajorityEnforceBlockUpgrade;
int nMajorityRejectBlockOutdated;
int nMajorityWindow;
/** Proof of work parameters */
arith_uint256 powLimit;
bool fPowAllowMinDifficultyBlocks;
int64_t nPowTargetSpacing;
int64_t nPowTargetTimespan;
int64_t DifficultyAdjustmentInterval() const { return nPowTargetTimespan / nPowTargetSpacing; }
};
} // namespace Consensus

#endif // BITCOIN_CONSENSUS_CONSENSUS_PARAMS_H

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