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elements/src/chainparams.cpp
Matt Corallo 1950b69e6e Add base58 support for blinded addresses
2017-06-15 14:30:12 -04:00

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// Copyright (c) 2010 Satoshi Nakamoto
// Copyright (c) 2009-2016 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "chainparams.h"
#include "consensus/merkle.h"
#include "tinyformat.h"
#include "util.h"
#include "utilstrencodings.h"
#include <assert.h>
#include <boost/assign/list_of.hpp>
#include "chainparamsseeds.h"
static CBlock CreateGenesisBlock(const char* pszTimestamp, const CScript& genesisOutputScript, uint32_t nTime, uint32_t nNonce, uint32_t nBits, int32_t nVersion, const CAmount& genesisReward)
{
CMutableTransaction txNew;
txNew.nVersion = 1;
txNew.vin.resize(1);
txNew.vout.resize(1);
txNew.vin[0].scriptSig = CScript() << 486604799 << CScriptNum(4) << std::vector<unsigned char>((const unsigned char*)pszTimestamp, (const unsigned char*)pszTimestamp + strlen(pszTimestamp));
txNew.vout[0].nValue = genesisReward;
txNew.vout[0].scriptPubKey = genesisOutputScript;
CBlock genesis;
genesis.nTime = nTime;
genesis.proof = CProof(nBits, nNonce);
genesis.nVersion = nVersion;
genesis.vtx.push_back(MakeTransactionRef(std::move(txNew)));
genesis.hashPrevBlock.SetNull();
genesis.hashMerkleRoot = BlockMerkleRoot(genesis);
return genesis;
}
void CChainParams::UpdateBIP9Parameters(Consensus::DeploymentPos d, int64_t nStartTime, int64_t nTimeout)
{
consensus.vDeployments[d].nStartTime = nStartTime;
consensus.vDeployments[d].nTimeout = nTimeout;
}
/**
* Elements Beta.
*/
class CElementsParams : public CChainParams {
public:
CElementsParams() {
strNetworkID = CHAINPARAMS_ELEMENTS;
consensus.nSubsidyHalvingInterval = 210000;
consensus.BIP34Height = 227931;
consensus.BIP34Hash = uint256S("0x000000000000024b89b42a942fe0d9fea3bb44ab7bd1b19115dd6a759c0808b8");
consensus.BIP65Height = 388381; // 000000000000000004c2b624ed5d7756c508d90fd0da2c7c679febfa6c4735f0
consensus.BIP66Height = 363725; // 00000000000000000379eaa19dce8c9b722d46ae6a57c2f1a988119488b50931
consensus.powLimit = uint256S("00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
consensus.nPowTargetSpacing = 10 * 60;
consensus.fPowAllowMinDifficultyBlocks = false;
consensus.fPowNoRetargeting = false;
consensus.nRuleChangeActivationThreshold = 1916; // 95% of 2016
consensus.nMinerConfirmationWindow = 2016; // nPowTargetTimespan / nPowTargetSpacing
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = 1199145601; // January 1, 2008
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = 1230767999; // December 31, 2008
// Deployment of BIP68, BIP112, and BIP113.
consensus.vDeployments[Consensus::DEPLOYMENT_CSV].bit = 0;
consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nStartTime = 1462060800; // May 1st, 2016
consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nTimeout = 1493596800; // May 1st, 2017
// Deployment of SegWit (BIP141, BIP143, and BIP147)
consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].bit = 1;
consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nStartTime = 1479168000; // November 15th, 2016.
consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nTimeout = 1510704000; // November 15th, 2017.
// The best chain should have at least this much work.
consensus.nMinimumChainWork = uint256S("0x0000000000000000000000000000000000000000003f94d1ad391682fe038bf5");
// By default assume that the signatures in ancestors of this block are valid.
consensus.defaultAssumeValid = uint256S("0x00000000000000000013176bf8d7dfeab4e1db31dc93bc311b436e82ab226b90"); //453354
/**
* 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
* a large 32-bit integer with any alignment.
*/
pchMessageStart[0] = 0xee;
pchMessageStart[1] = 0xa1;
pchMessageStart[2] = 0x1f;
pchMessageStart[3] = 0xfa;
nDefaultPort = 4242;
nPruneAfterHeight = 100000;
CScript scriptDestination(CScript() << OP_TRUE);
genesis = CreateGenesisBlock(strNetworkID.c_str(), scriptDestination, 1231006505, 2083236893, 0x1d00ffff, 1, MAX_MONEY);
consensus.hashGenesisBlock = genesis.GetHash();
vFixedSeeds.clear(); //! TODO
vSeeds.clear(); //! TODO
fMiningRequiresPeers = true;
fDefaultConsistencyChecks = false;
fRequireStandard = true;
fMineBlocksOnDemand = false;
checkpointData = (CCheckpointData){
boost::assign::map_list_of
( 0, consensus.hashGenesisBlock)
};
chainTxData = ChainTxData{
0,
0,
0
};
base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
base58Prefixes[BLINDED_ADDRESS]= std::vector<unsigned char>(1,26);
base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,239);
base58Prefixes[EXT_PUBLIC_KEY] = boost::assign::list_of(0x04)(0x35)(0x87)(0xCF).convert_to_container<std::vector<unsigned char> >();
base58Prefixes[EXT_SECRET_KEY] = boost::assign::list_of(0x04)(0x35)(0x83)(0x94).convert_to_container<std::vector<unsigned char> >();
}
};
/**
* Use production base58 for tests
*/
class CMainParams : public CElementsParams {
public:
CMainParams() : CElementsParams() {
strNetworkID = CHAINPARAMS_OLD_MAIN;
base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,0);
base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,5);
base58Prefixes[BLINDED_ADDRESS]= std::vector<unsigned char>(1,11);
base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,128);
base58Prefixes[EXT_PUBLIC_KEY] = boost::assign::list_of(0x04)(0x88)(0xB2)(0x1E).convert_to_container<std::vector<unsigned char> >();
base58Prefixes[EXT_SECRET_KEY] = boost::assign::list_of(0x04)(0x88)(0xAD)(0xE4).convert_to_container<std::vector<unsigned char> >();
}
};
/**
* Regression test
*/
class CRegTestParams : public CChainParams {
public:
CRegTestParams() {
strNetworkID = CHAINPARAMS_REGTEST;
consensus.nSubsidyHalvingInterval = 150;
consensus.BIP34Height = 100000000; // BIP34 has not activated on regtest (far in the future so block v1 are not rejected in tests)
consensus.BIP34Hash = uint256();
consensus.BIP65Height = 1351; // BIP65 activated on regtest (Used in rpc activation tests)
consensus.BIP66Height = 1251; // BIP66 activated on regtest (Used in rpc activation tests)
consensus.powLimit = uint256S("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
consensus.nPowTargetSpacing = 10 * 60;
consensus.fPowAllowMinDifficultyBlocks = true;
consensus.fPowNoRetargeting = true;
consensus.nRuleChangeActivationThreshold = 108; // 75% for testchains
consensus.nMinerConfirmationWindow = 144; // Faster than normal for regtest (144 instead of 2016)
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = 0;
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = 999999999999ULL;
consensus.vDeployments[Consensus::DEPLOYMENT_CSV].bit = 0;
consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nStartTime = 0;
consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nTimeout = 999999999999ULL;
consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].bit = 1;
consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nStartTime = 0;
consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nTimeout = 999999999999ULL;
// The best chain should have at least this much work.
consensus.nMinimumChainWork = uint256S("0x00");
// By default assume that the signatures in ancestors of this block are valid.
consensus.defaultAssumeValid = uint256S("0x00");
pchMessageStart[0] = 0xfa;
pchMessageStart[1] = 0xbf;
pchMessageStart[2] = 0xb5;
pchMessageStart[3] = 0xda;
nDefaultPort = 18444;
nPruneAfterHeight = 1000;
CScript scriptDestination(CScript() << OP_TRUE);
genesis = CreateGenesisBlock(strNetworkID.c_str(), scriptDestination, 1296688602, 2, 0x207fffff, 1, MAX_MONEY);
consensus.hashGenesisBlock = genesis.GetHash();
vFixedSeeds.clear(); //!< Regtest mode doesn't have any fixed seeds.
vSeeds.clear(); //!< Regtest mode doesn't have any DNS seeds.
fMiningRequiresPeers = false;
fDefaultConsistencyChecks = true;
fRequireStandard = false;
fMineBlocksOnDemand = true;
checkpointData = (CCheckpointData){
boost::assign::map_list_of
( 0, consensus.hashGenesisBlock),
};
chainTxData = ChainTxData{
0,
0,
0
};
base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
base58Prefixes[BLINDED_ADDRESS]= std::vector<unsigned char>(1,27);
base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,239);
base58Prefixes[EXT_PUBLIC_KEY] = boost::assign::list_of(0x04)(0x35)(0x87)(0xCF).convert_to_container<std::vector<unsigned char> >();
base58Prefixes[EXT_SECRET_KEY] = boost::assign::list_of(0x04)(0x35)(0x83)(0x94).convert_to_container<std::vector<unsigned char> >();
}
};
/**
* Custom params for testing.
*/
class CCustomParams : public CChainParams {
void UpdateFromArgs()
{
strNetworkID = GetArg("-chainpetname", "custom");
consensus.fPowAllowMinDifficultyBlocks = GetBoolArg("-con_fpowallowmindifficultyblocks", true);
consensus.fPowNoRetargeting = GetBoolArg("-con_fpownoretargeting", true);
consensus.nSubsidyHalvingInterval = GetArg("-con_nsubsidyhalvinginterval", 150);
consensus.BIP34Height = GetArg("-con_bip34height", 100000000);
consensus.BIP65Height = GetArg("-con_bip65height", 1351);
consensus.BIP66Height = GetArg("-con_bip66height", 1251);
consensus.nPowTargetTimespan = GetArg("-con_npowtargettimespan", 14 * 24 * 60 * 60); // two weeks
consensus.nPowTargetSpacing = GetArg("-con_npowtargetspacing", 10 * 60);
consensus.nRuleChangeActivationThreshold = GetArg("-con_nrulechangeactivationthreshold", 108); // 75% for testchains
consensus.nMinerConfirmationWindow = GetArg("-con_nminerconfirmationwindow", 144); // Faster than normal for custom (144 instead of 2016)
consensus.powLimit = uint256S(GetArg("-con_powlimit", "7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"));
consensus.BIP34Hash = uint256S(GetArg("-con_bip34hash", "0x0"));
consensus.nMinimumChainWork = uint256S(GetArg("-con_nminimumchainwork", "0x0"));
// By default assume that the signatures in ancestors of this block are valid.
consensus.defaultAssumeValid = uint256S(GetArg("-con_defaultassumevalid", "0x00"));
nDefaultPort = GetArg("-ndefaultport", 18444);
nPruneAfterHeight = GetArg("-npruneafterheight", 1000);
fDefaultConsistencyChecks = GetBoolArg("-fdefaultconsistencychecks", true);
fRequireStandard = GetBoolArg("-frequirestandard", false);
fMineBlocksOnDemand = GetBoolArg("-fmineblocksondemand", true);
}
public:
CCustomParams()
{
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = 0;
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = 999999999999ULL;
consensus.vDeployments[Consensus::DEPLOYMENT_CSV].bit = 0;
consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nStartTime = 0;
consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nTimeout = 999999999999ULL;
consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].bit = 1;
consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nStartTime = 0;
consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nTimeout = 999999999999ULL;
pchMessageStart[0] = 0xfa;
pchMessageStart[1] = 0xbf;
pchMessageStart[2] = 0xb5;
pchMessageStart[3] = 0xda;
vFixedSeeds.clear(); //!< Custom mode doesn't have any fixed seeds.
vSeeds.clear(); //!< Custom mode doesn't have any DNS seeds.
chainTxData = ChainTxData{
0,
0,
0
};
base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,239);
base58Prefixes[EXT_PUBLIC_KEY] = boost::assign::list_of(0x04)(0x35)(0x87)(0xCF).convert_to_container<std::vector<unsigned char> >();
base58Prefixes[EXT_SECRET_KEY] = boost::assign::list_of(0x04)(0x35)(0x83)(0x94).convert_to_container<std::vector<unsigned char> >();
UpdateFromArgs();
genesis = CreateGenesisBlock(strNetworkID.c_str(), CScript(OP_TRUE), 1296688602, 2, 0x207fffff, 1, 50 * COIN);
consensus.hashGenesisBlock = genesis.GetHash();
}
};
const std::map<std::string, uint256> CChainParams::supportedChains =
boost::assign::map_list_of
( CHAINPARAMS_ELEMENTS, CElementsParams().GenesisBlock().GetHash())
( CHAINPARAMS_REGTEST, CRegTestParams().GenesisBlock().GetHash())
;
static std::unique_ptr<CChainParams> globalChainParams;
const CChainParams &Params() {
assert(globalChainParams);
return *globalChainParams;
}
std::unique_ptr<CChainParams> CreateChainParams(const std::string& chain)
{
if (chain == CBaseChainParams::MAIN)
return std::unique_ptr<CChainParams>(new CMainParams());
else if (chain == CHAINPARAMS_ELEMENTS)
return std::unique_ptr<CChainParams>(new CElementsParams());
else if (chain == CBaseChainParams::REGTEST)
return std::unique_ptr<CChainParams>(new CRegTestParams());
else if (chain == CBaseChainParams::CUSTOM) {
return std::unique_ptr<CChainParams>(new CCustomParams());
}
throw std::runtime_error(strprintf("%s: Unknown chain %s.", __func__, chain));
}
void SelectParams(const std::string& network)
{
SelectBaseParams(network);
globalChainParams = CreateChainParams(network);
}
void UpdateBIP9Parameters(Consensus::DeploymentPos d, int64_t nStartTime, int64_t nTimeout)
{
globalChainParams->UpdateBIP9Parameters(d, nStartTime, nTimeout);
}
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