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chainparams.cpp
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chainparams.cpp
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// Copyright (c) 2010 Satoshi Nakamoto
// Copyright (c) 2009-2018 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 <key_io.h>
#include <assert.h>
#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.nBits = nBits;
genesis.nNonce = nNonce;
genesis.nVersion = nVersion;
genesis.vtx.push_back(MakeTransactionRef(std::move(txNew)));
genesis.hashPrevBlock.SetNull();
genesis.hashMerkleRoot = BlockMerkleRoot(genesis);
return genesis;
}
/**
* Build the genesis block. Note that the output of its generation
* transaction cannot be spent since it did not originally exist in the
* database.
*/
static CBlock CreateGenesisBlock(uint32_t nTime, uint32_t nNonce, uint32_t nBits, int32_t nVersion, const CAmount& genesisReward)
{
const char* pszTimestamp = "1May launch of guncoin";
const CScript genesisOutputScript = CScript() << ParseHex("040184710fa689ad5023690c80f3a49c8f13f8d45b8c857fbcbc8bc4a8e4d3eb4b10f4d4604fa08dce601aaf0f470216fe1b51850b4acf21b179c45070ac7b03a9") << OP_CHECKSIG;
return CreateGenesisBlock(pszTimestamp, genesisOutputScript, nTime, nNonce, nBits, nVersion, genesisReward);
}
void CChainParams::UpdateVersionBitsParameters(Consensus::DeploymentPos d, int64_t nStartTime, int64_t nTimeout)
{
consensus.vDeployments[d].nStartTime = nStartTime;
consensus.vDeployments[d].nTimeout = nTimeout;
}
/**
* Main network
*/
/**
* What makes a good checkpoint block?
* + Is surrounded by blocks with reasonable timestamps
* (no blocks before with a timestamp after, none after with
* timestamp before)
* + Contains no strange transactions
*/
class CMainParams : public CChainParams {
public:
CMainParams() {
strNetworkID = "main";
consensus.nSubsidyHalvingInterval = 1000000;
consensus.BIP16Exception = uint256();
consensus.BIP34Height = 951;
consensus.BIP34Hash = uint256S("0x787d245e4a83412ed32cad11171b8f312a489f2f2e655a7ade7d57e4edc0157c ");
consensus.BIP65Height = 845000; // fe1250d69e8541ceb38eff15cecc632353df02c8efdb12de612e498b160eeeb7
consensus.BIP66Height = 845000; // fe1250d69e8541ceb38eff15cecc632353df02c8efdb12de612e498b160eeeb7
consensus.powLimit = uint256S("00000fffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
consensus.powNeoScryptLimit = uint256S("0000000fffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
consensus.nDiffChange = 850000;
consensus.nNeoScryptHeight = 120000;
consensus.nNeoScryptFork = 1414482565;
consensus.nReplacementFunds = 1097000;
consensus.nPowTargetTimespan = 2 * 60;
consensus.nPowTargetSpacing = 2 * 60;
consensus.checkpointPubKey = "0405f97712fd241d9af801b5839955c6a55ce742a34eb7074610a703c18202faa769e08ba30e055b925fc5b546393e1b7374e5c54f0f095104da8f96124acf4c40";
consensus.vAlertPubKey = ParseHex("045a8927ef4e11ac24f4e65de016ae415fb3eb7ac0396b2dcf9f8451d96caf58908f8925811dea37f6c5b5789a2b4f78c7a1b5f56f019554061bbd01924612b4a0");
consensus.fPowAllowMinDifficultyBlocks = false;
consensus.fPowNoRetargeting = false;
consensus.nRuleChangeActivationThreshold = 7560; // 75% of 10080
consensus.nMinerConfirmationWindow = 10080; // Two weeks
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 = 1517443200; // Feb 1st, 2018
consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nTimeout = 1548979200; // Feb 1st, 2019
// Deployment of SegWit (BIP141, BIP143, and BIP147)
consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].bit = 1;
consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nStartTime = 1517443200; // Feb 1st, 2018
consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nTimeout = 1548979200; // Feb 1st, 2019
// The best chain should have at least this much work.
consensus.nMinimumChainWork = uint256S("00000000000000000000000000000000000000000000000000227fa1111b690b");
// By default assume that the signatures in ancestors of this block are valid.
consensus.defaultAssumeValid = uint256S("0x96de9fbb9e521d5aa25d9c074ba97700042d99cc0bdfff331b1db48cefa5133e"); //1177283
/**
* 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] = 0xaa;
pchMessageStart[1] = 0xc3;
pchMessageStart[2] = 0xc6;
pchMessageStart[3] = 0xab;
nDefaultPort = 42954;
nPruneAfterHeight = 100000;
genesis = CreateGenesisBlock(1397923502, 2085244361, 0x1e0ffff0, 1, 50 * COIN);
consensus.hashGenesisBlock = genesis.GetHash();
assert(consensus.hashGenesisBlock == uint256S("0x55a9b3b171a6dfc95d59e07fa23736f44cd745f896e86491982ad6d043c58ba6"));
assert(genesis.hashMerkleRoot == uint256S("0x9279661f2031143951417ef97ea70bcd7172f1bff7831c339c97e0e8392a926a"));
// Note that of those which support the service bits prefix, most only support a subset of
// possible options.
// This is fine at runtime as we'll fall back to using them as a oneshot if they don't support the
// service bits we want, but we should get them updated to support all service bits wanted by any
// release ASAP to avoid it where possible.
vSeeds.emplace_back("seed.guncoin.info");
vSeeds.emplace_back("seed2.guncoin.info");
base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,39);
base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,5);
base58Prefixes[SCRIPT_ADDRESS2] = std::vector<unsigned char>(1,38);
base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,167);
base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x88, 0xB2, 0x1E};
base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x88, 0xAD, 0xE4};
bech32_hrp = "gc";
vFixedSeeds = std::vector<SeedSpec6>(pnSeed6_main, pnSeed6_main + ARRAYLEN(pnSeed6_main));
fDefaultConsistencyChecks = false;
fRequireStandard = true;
fMineBlocksOnDemand = false;
checkpointData = {
{
{ 800000, uint256S("0x35d92e51ad6cf189662c332fcdd61c1d90fee7c2914b42fa29d22c271159c066")},
}
};
chainTxData = ChainTxData{
/* nTime */ 1510084820,
/* nTxCount */ 1141114,
/* dTxRate */ 0.007
};
/* disable fallback fee on mainnet */
m_fallback_fee_enabled = true;
}
};
/**
* Testnet (v3)
*/
class CTestNetParams : public CChainParams {
public:
CTestNetParams() {
strNetworkID = "test";
consensus.nSubsidyHalvingInterval = 1000000;
consensus.BIP16Exception = uint256();
consensus.BIP34Height = 0;
consensus.BIP34Hash = uint256S("0x765d9ec322c494d36d36f300c209f13b787b6f67bf978c5b9ab09bc9e10f52b8");
consensus.BIP65Height = 751;
consensus.BIP66Height = 751;
consensus.powLimit = uint256S("00000fffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
consensus.powNeoScryptLimit = uint256S("0000000fffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
consensus.nDiffChange = 100;
consensus.nReplacementFunds = 1713;
consensus.nNeoScryptHeight = 1;
consensus.nNeoScryptFork = 1397925815;
consensus.nPowTargetTimespan = 2 * 60;
consensus.nPowTargetSpacing = 2 * 60;
consensus.checkpointPubKey = "04b0c74b4334f0fd96f09070fbc28dc61a7dc1fbe8988ac98321f45fdd8ce8fed848f04ecaa398bfadb51b5f5adf706e9507f403ab5dce3c57bccf6c3a7db7e7a9";
consensus.vAlertPubKey = ParseHex("04e4f58b6a870d4ac13b35ca00f390c674561fea1c161b0c28b34c22ebb34afa5c8d874d12106c34a06c06d20a32d863079a4162003961a88bae4655ebd6a0440f");
consensus.fPowAllowMinDifficultyBlocks = true;
consensus.fPowNoRetargeting = false;
consensus.nRuleChangeActivationThreshold = 375;
consensus.nMinerConfirmationWindow = 500;
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 = 1517011200; // Jan 27th, 2018
consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nTimeout = 1548547200; // Jan 27th, 2019
// Deployment of SegWit (BIP141, BIP143, and BIP147)
consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].bit = 1;
consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nStartTime = 1517011200; // Jan 27th, 2018
consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nTimeout = 1548547200; // Jan 27th, 2019
// The best chain should have at least this much work.
consensus.nMinimumChainWork = uint256S("0x0000000000000000000000000000000000000000000000000000000000001000");
// By default assume that the signatures in ancestors of this block are valid.
consensus.defaultAssumeValid = uint256S("0x765d9ec322c494d36d36f300c209f13b787b6f67bf978c5b9ab09bc9e10f52b8");
pchMessageStart[0] = 0xdd;
pchMessageStart[1] = 0xbb;
pchMessageStart[2] = 0xcc;
pchMessageStart[3] = 0xad;
nDefaultPort = 52954;
nPruneAfterHeight = 1000;
genesis = CreateGenesisBlock(1397925814, 385915966, 0x1e0ffff0, 1, 50 * COIN);
consensus.hashGenesisBlock = genesis.GetHash();
assert(consensus.hashGenesisBlock == uint256S("0x765d9ec322c494d36d36f300c209f13b787b6f67bf978c5b9ab09bc9e10f52b8"));
assert(genesis.hashMerkleRoot == uint256S("0x9279661f2031143951417ef97ea70bcd7172f1bff7831c339c97e0e8392a926a"));
vFixedSeeds.clear();
vSeeds.clear();
// nodes with support for servicebits filtering should be at the top
vSeeds.emplace_back("testnet-seed.guncoin.info");
base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
base58Prefixes[SCRIPT_ADDRESS2] = std::vector<unsigned char>(1,127);
base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,239);
base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
bech32_hrp = "tg";
vFixedSeeds = std::vector<SeedSpec6>(pnSeed6_test, pnSeed6_test + ARRAYLEN(pnSeed6_test));
fDefaultConsistencyChecks = false;
fRequireStandard = false;
fMineBlocksOnDemand = false;
checkpointData = {
{
{0, uint256S("765d9ec322c494d36d36f300c209f13b787b6f67bf978c5b9ab09bc9e10f52b8")},
}
};
chainTxData = ChainTxData{
/* nTime */ 1397925814,
/* nTxCount */ 1,
/* dTxRate */ 0.001
};
/* enable fallback fee on testnet */
m_fallback_fee_enabled = true;
}
};
/**
* Regression test
*/
class CRegTestParams : public CChainParams {
public:
CRegTestParams() {
strNetworkID = "regtest";
consensus.nSubsidyHalvingInterval = 150;
consensus.BIP16Exception = uint256();
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.powNeoScryptLimit = uint256S("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
consensus.nDiffChange = 1;
consensus.nReplacementFunds = 1000;
consensus.nNeoScryptHeight = 1;
consensus.nPowTargetTimespan = 2 * 60;
consensus.nPowTargetSpacing = 2 * 60;
consensus.checkpointPubKey = "04b0c74b4334f0fd96f09070fbc28dc61a7dc1fbe8988ac98321f45fdd8ce8fed848f04ecaa398bfadb51b5f5adf706e9507f403ab5dce3c57bccf6c3a7db7e7a9";
consensus.vAlertPubKey = ParseHex("04e4f58b6a870d4ac13b35ca00f390c674561fea1c161b0c28b34c22ebb34afa5c8d874d12106c34a06c06d20a32d863079a4162003961a88bae4655ebd6a0440f");
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 = Consensus::BIP9Deployment::NO_TIMEOUT;
consensus.vDeployments[Consensus::DEPLOYMENT_CSV].bit = 0;
consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nStartTime = 0;
consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].bit = 1;
consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nStartTime = Consensus::BIP9Deployment::ALWAYS_ACTIVE;
consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
// 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;
genesis = CreateGenesisBlock(1296688602, 1, 0x207fffff, 1, 50 * COIN);
consensus.hashGenesisBlock = genesis.GetHash();
assert(consensus.hashGenesisBlock == uint256S("0x2d9964969932dde0b499c5c7c073c7c7df3435e31b00135f5c9088ac5d2e1035"));
assert(genesis.hashMerkleRoot == uint256S("0x9279661f2031143951417ef97ea70bcd7172f1bff7831c339c97e0e8392a926a"));
vFixedSeeds.clear(); //!< Regtest mode doesn't have any fixed seeds.
vSeeds.clear(); //!< Regtest mode doesn't have any DNS seeds.
fDefaultConsistencyChecks = true;
fRequireStandard = false;
fMineBlocksOnDemand = true;
checkpointData = {
{
{0, uint256S("2d9964969932dde0b499c5c7c073c7c7df3435e31b00135f5c9088ac5d2e1035")},
}
};
chainTxData = ChainTxData{
0,
0,
0
};
base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
base58Prefixes[SCRIPT_ADDRESS2] = std::vector<unsigned char>(1,127);
base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,239);
base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
bech32_hrp = "gcrt";
/* enable fallback fee on regtest */
m_fallback_fee_enabled = true;
}
};
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 == CBaseChainParams::TESTNET)
return std::unique_ptr<CChainParams>(new CTestNetParams());
else if (chain == CBaseChainParams::REGTEST)
return std::unique_ptr<CChainParams>(new CRegTestParams());
throw std::runtime_error(strprintf("%s: Unknown chain %s.", __func__, chain));
}
void SelectParams(const std::string& network)
{
SelectBaseParams(network);
globalChainParams = CreateChainParams(network);
}
void UpdateVersionBitsParameters(Consensus::DeploymentPos d, int64_t nStartTime, int64_t nTimeout)
{
globalChainParams->UpdateVersionBitsParameters(d, nStartTime, nTimeout);
}
CScript CChainParams::GetRewardScriptAtHeight(int nHeight) const {
assert(nHeight == consensus.nReplacementFunds);
CTxDestination destination;
if (Params().NetworkIDString() == CBaseChainParams::MAIN)
destination = DecodeDestination("GtoEJDevx7sd4xGLXykL7wRV4JJopXYvYT");
else if (Params().NetworkIDString() == CBaseChainParams::TESTNET)
destination = DecodeDestination("mh5BZckayvuKSkJSr1ALTkWkJe4LacaD2j");
else if (Params().NetworkIDString() == CBaseChainParams::REGTEST)
destination = DecodeDestination("tHbHVEfnapHgkAm6eL6FSGkYEDhVBmDeBe");
assert(IsValidDestination(destination));
return GetScriptForDestination(destination);
}