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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 <chainparamsseeds.h>
- #include <consensus/merkle.h>
- #include <tinyformat.h>
- #include <util/system.h>
- #include <util/strencodings.h>
- #include <versionbitsinfo.h>
- #include <assert.h>
- #include <boost/algorithm/string/classification.hpp>
- #include <boost/algorithm/string/split.hpp>
- 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.
- *
- * CBlock(hash=000000000019d6, ver=1, hashPrevBlock=00000000000000, hashMerkleRoot=4a5e1e, nTime=1231006505, nBits=1d00ffff, nNonce=2083236893, vtx=1)
- * CTransaction(hash=4a5e1e, ver=1, vin.size=1, vout.size=1, nLockTime=0)
- * CTxIn(COutPoint(000000, -1), coinbase 04ffff001d0104455468652054696d65732030332f4a616e2f32303039204368616e63656c6c6f72206f6e206272696e6b206f66207365636f6e64206261696c6f757420666f722062616e6b73)
- * CTxOut(nValue=50.00000000, scriptPubKey=0x5F1DF16B2B704C8A578D0B)
- * vMerkleTree: 4a5e1e
- */
- static CBlock CreateGenesisBlock(uint32_t nTime, uint32_t nNonce, uint32_t nBits, int32_t nVersion, const CAmount& genesisReward)
- {
- const char* pszTimestamp = "G1 03/Jan /2021 India approves emergency use of Oxford vaccine and immunizer made in the country";
- const CScript genesisOutputScript = CScript() << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f") << OP_CHECKSIG;
- return CreateGenesisBlock(pszTimestamp, genesisOutputScript, nTime, nNonce, nBits, nVersion, genesisReward);
- }
- /**
- * Main network
- */
- class CMainParams : public CChainParams {
- public:
- CMainParams() {
- strNetworkID = "main";
- consensus.nSubsidyHalvingInterval = 840000;
- consensus.BIP16Height = 218579; // 87afb798a3ad9378fcd56123c81fb31cfd9a8df4719b9774d71730c16315a092 - October 1, 2012
- consensus.BIP34Height = 710000;
- consensus.BIP34Hash = uint256S("fa09d204a83a768ed5a7c8d441fa62f2043abf420cff1226c7b4329aeb9d51cf");
- consensus.BIP65Height = 918684; // bab3041e8977e0dc3eeff63fe707b92bde1dd449d8efafb248c27c8264cc311a
- consensus.BIP66Height = 811879; // 7aceee012833fa8952f8835d8b1b3ae233cd6ab08fdb27a771d2bd7bdc491894
- consensus.powLimit = uint256S("00000fffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
- consensus.nPowTargetTimespan = 3.5 * 24 * 60 * 60; // 3.5 days
- consensus.nPowTargetSpacing = 2.5 * 60;
- consensus.fPowAllowMinDifficultyBlocks = false;
- consensus.fPowNoRetargeting = false;
- consensus.nRuleChangeActivationThreshold = 6048; // 75% of 8064
- consensus.nMinerConfirmationWindow = 8064; // nPowTargetTimespan / nPowTargetSpacing * 4
- 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 = 1485561600; // January 28, 2017
- consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nTimeout = 1517356801; // January 31st, 2018
- // Deployment of SegWit (BIP141, BIP143, and BIP147)
- consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].bit = 1;
- consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nStartTime = 1485561600; // January 28, 2017
- consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nTimeout = 1517356801; // January 31st, 2018
- // 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("0x00fef8713b8f2c058c6980a756b24f5b8dcb9eb2328605b3be6ea58baf9ba06d"); //1683528
- /**
- * 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] = 0xf1;
- pchMessageStart[1] = 0xc4;
- pchMessageStart[2] = 0xb3;
- pchMessageStart[3] = 0xd2;
- nDefaultPort = 2333;
- nPruneAfterHeight = 100000;
- m_assumed_blockchain_size = 22;
- m_assumed_chain_state_size = 3;
- genesis = CreateGenesisBlock(1609630317, 115800, 0x1e0ffff0, 1, 50 * COIN);
- consensus.hashGenesisBlock = genesis.GetHash();
- assert(consensus.hashGenesisBlock == uint256S("0xc04c5e4dce4b9f43c9a30e1bb25444a26b5438acdbafdd58a3da734ec81cb715"));
- assert(genesis.hashMerkleRoot == uint256S("0x320b3649c83eaf5e53aa2281744becf6ee644046a2d97d10f418d8198a22ec9a"));
- // 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("");
- base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,25);
- base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,5);
- base58Prefixes[SCRIPT_ADDRESS2] = std::vector<unsigned char>(1,50);
- base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,176);
- base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x88, 0xB2, 0x1E};
- base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x88, 0xAD, 0xE4};
- bech32_hrp = "xpi";
- vFixedSeeds = std::vector<SeedSpec6>(pnSeed6_main, pnSeed6_main + ARRAYLEN(pnSeed6_main));
- fDefaultConsistencyChecks = false;
- fRequireStandard = true;
- fMineBlocksOnDemand = false;
- checkpointData = {
- {
- {0, uint256S("0x")}
- }
- };
- chainTxData = ChainTxData{
- // Data from rpc: getchaintxstats 4096 2cdba8c47858d34cf0e02dfb8733263a3ed8705b1663ec7c158783d77b93e7ee
- // nTime 1565379143,
- // nTxCount 36299075,
- // dTxRate 0.388813310286546
- };
- /* disable fallback fee on mainnet */
- m_fallback_fee_enabled = false;
- }
- };
- /**
- * Testnet (v3)
- */
- class CTestNetParams : public CChainParams {
- public:
- CTestNetParams() {
- strNetworkID = "test";
- consensus.nSubsidyHalvingInterval = 840000;
- consensus.BIP16Height = 0; // always enforce P2SH BIP16 on testnet
- consensus.BIP34Height = 76;
- consensus.BIP34Hash = uint256S("8075c771ed8b495ffd943980a95f702ab34fce3c8c54e379548bda33cc8c0573");
- consensus.BIP65Height = 76; // 8075c771ed8b495ffd943980a95f702ab34fce3c8c54e379548bda33cc8c0573
- consensus.BIP66Height = 76; // 8075c771ed8b495ffd943980a95f702ab34fce3c8c54e379548bda33cc8c0573
- consensus.powLimit = uint256S("00000fffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
- consensus.nPowTargetTimespan = 3.5 * 24 * 60 * 60; // 3.5 days
- consensus.nPowTargetSpacing = 2.5 * 60;
- consensus.fPowAllowMinDifficultyBlocks = true;
- consensus.fPowNoRetargeting = false;
- consensus.nRuleChangeActivationThreshold = 1512; // 75% for testchains
- 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 = 1483228800; // January 1, 2017
- consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nTimeout = 1517356801; // January 31st, 2018
- // Deployment of SegWit (BIP141, BIP143, and BIP147)
- consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].bit = 1;
- consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nStartTime = 1483228800; // January 1, 2017
- consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nTimeout = 1517356801; // January 31st, 2018
- // The best chain should have at least this much work.
- consensus.nMinimumChainWork = uint256S("0x0000000000000000000000000000000000000000000000000035ed7ece35dc93");
- // By default assume that the signatures in ancestors of this block are valid.
- consensus.defaultAssumeValid = uint256S("0xf19dfbdc0e6c399ef45d315d89fc3e972dd8da74503252bacaf664f64d86e6f6"); //1174621
- pchMessageStart[0] = 0xfd;
- pchMessageStart[1] = 0xd2;
- pchMessageStart[2] = 0xc8;
- pchMessageStart[3] = 0xf1;
- nDefaultPort = 19335;
- nPruneAfterHeight = 1000;
- m_assumed_blockchain_size = 2;
- m_assumed_chain_state_size = 1;
- genesis = CreateGenesisBlock(1609630317, 115800, 0x1e0ffff0, 1, 50 * COIN);
- consensus.hashGenesisBlock = genesis.GetHash();
- assert(consensus.hashGenesisBlock == uint256S("0xc04c5e4dce4b9f43c9a30e1bb25444a26b5438acdbafdd58a3da734ec81cb715"));
- assert(genesis.hashMerkleRoot == uint256S("0x320b3649c83eaf5e53aa2281744becf6ee644046a2d97d10f418d8198a22ec9a"));
- vFixedSeeds.clear();
- vSeeds.clear();
- // nodes with support for servicebits filtering should be at the top
- vSeeds.emplace_back("");
- base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,85);
- base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
- base58Prefixes[SCRIPT_ADDRESS2] = std::vector<unsigned char>(1,58);
- 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 = "tltc";
- vFixedSeeds = std::vector<SeedSpec6>(pnSeed6_test, pnSeed6_test + ARRAYLEN(pnSeed6_test));
- fDefaultConsistencyChecks = false;
- fRequireStandard = false;
- fMineBlocksOnDemand = false;
- checkpointData = {
- {
- { 0, uint256S("0x")}
- }
- };
- chainTxData = ChainTxData{
- // Data from rpc: getchaintxstats 4096 e79561972208ba3a02c308482176b33f3ec841d4213ea7bbaa3f22b7c8a16f32
- /* nTime */ 1565582448,
- /* nTxCount */ 2848910,
- /* dTxRate */ 0.02265200874042768
- };
- /* enable fallback fee on testnet */
- m_fallback_fee_enabled = true;
- }
- };
- /**
- * Regression test
- */
- class CRegTestParams : public CChainParams {
- public:
- explicit CRegTestParams(const ArgsManager& args) {
- strNetworkID = "regtest";
- consensus.nSubsidyHalvingInterval = 150;
- consensus.BIP16Height = 0;
- consensus.BIP34Height = 500; // BIP34 activated on regtest (Used in functional tests)
- consensus.BIP34Hash = uint256();
- consensus.BIP65Height = 1351; // BIP65 activated on regtest (Used in functional tests)
- consensus.BIP66Height = 1251; // BIP66 activated on regtest (Used in functional tests)
- consensus.powLimit = uint256S("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
- consensus.nPowTargetTimespan = 3.5 * 24 * 60 * 60; // two weeks
- consensus.nPowTargetSpacing = 2.5 * 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 = 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 = 19444;
- nPruneAfterHeight = 1000;
- m_assumed_blockchain_size = 0;
- m_assumed_chain_state_size = 0;
- UpdateVersionBitsParametersFromArgs(args);
- genesis = CreateGenesisBlock(1609630317, 0, 0x207fffff, 1, 50 * COIN);
- consensus.hashGenesisBlock = genesis.GetHash();
- //assert(consensus.hashGenesisBlock == uint256S("0x"));
- //assert(genesis.hashMerkleRoot == uint256S("0x"));
- 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 = {
- {
- }
- };
- 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>(1,58);
- 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 = "rltc";
- /* enable fallback fee on regtest */
- m_fallback_fee_enabled = true;
- }
- /**
- * Allows modifying the Version Bits regtest parameters.
- */
- void UpdateVersionBitsParameters(Consensus::DeploymentPos d, int64_t nStartTime, int64_t nTimeout)
- {
- consensus.vDeployments[d].nStartTime = nStartTime;
- consensus.vDeployments[d].nTimeout = nTimeout;
- }
- void UpdateVersionBitsParametersFromArgs(const ArgsManager& args);
- };
- void CRegTestParams::UpdateVersionBitsParametersFromArgs(const ArgsManager& args)
- {
- if (!args.IsArgSet("-vbparams")) return;
- for (const std::string& strDeployment : args.GetArgs("-vbparams")) {
- std::vector<std::string> vDeploymentParams;
- boost::split(vDeploymentParams, strDeployment, boost::is_any_of(":"));
- if (vDeploymentParams.size() != 3) {
- throw std::runtime_error("Version bits parameters malformed, expecting deployment:start:end");
- }
- int64_t nStartTime, nTimeout;
- if (!ParseInt64(vDeploymentParams[1], &nStartTime)) {
- throw std::runtime_error(strprintf("Invalid nStartTime (%s)", vDeploymentParams[1]));
- }
- if (!ParseInt64(vDeploymentParams[2], &nTimeout)) {
- throw std::runtime_error(strprintf("Invalid nTimeout (%s)", vDeploymentParams[2]));
- }
- bool found = false;
- for (int j=0; j < (int)Consensus::MAX_VERSION_BITS_DEPLOYMENTS; ++j) {
- if (vDeploymentParams[0] == VersionBitsDeploymentInfo[j].name) {
- UpdateVersionBitsParameters(Consensus::DeploymentPos(j), nStartTime, nTimeout);
- found = true;
- LogPrintf("Setting version bits activation parameters for %s to start=%ld, timeout=%ld\n", vDeploymentParams[0], nStartTime, nTimeout);
- break;
- }
- }
- if (!found) {
- throw std::runtime_error(strprintf("Invalid deployment (%s)", vDeploymentParams[0]));
- }
- }
- }
- static std::unique_ptr<const CChainParams> globalChainParams;
- const CChainParams &Params() {
- assert(globalChainParams);
- return *globalChainParams;
- }
- std::unique_ptr<const 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(gArgs));
- throw std::runtime_error(strprintf("%s: Unknown chain %s.", __func__, chain));
- }
- void SelectParams(const std::string& network)
- {
- SelectBaseParams(network);
- globalChainParams = CreateChainParams(network);
- }
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