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Diffstat (limited to 'src/chainparams.cpp')
| -rw-r--r-- | src/chainparams.cpp | 514 |
1 files changed, 514 insertions, 0 deletions
diff --git a/src/chainparams.cpp b/src/chainparams.cpp new file mode 100644 index 0000000000..ef501e9de2 --- /dev/null +++ b/src/chainparams.cpp @@ -0,0 +1,514 @@ +// Copyright (c) 2010 Satoshi Nakamoto +// Copyright (c) 2009-2020 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 <hash.h> // for signet block challenge hash +#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 = "The Times 03/Jan/2009 Chancellor on brink of second bailout for banks"; + 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 = CBaseChainParams::MAIN; + consensus.signet_blocks = false; + consensus.signet_challenge.clear(); + consensus.nSubsidyHalvingInterval = 210000; + consensus.BIP16Exception = uint256S("0x00000000000002dc756eebf4f49723ed8d30cc28a5f108eb94b1ba88ac4f9c22"); + consensus.BIP34Height = 227931; + consensus.BIP34Hash = uint256S("0x000000000000024b89b42a942fe0d9fea3bb44ab7bd1b19115dd6a759c0808b8"); + consensus.BIP65Height = 388381; // 000000000000000004c2b624ed5d7756c508d90fd0da2c7c679febfa6c4735f0 + consensus.BIP66Height = 363725; // 00000000000000000379eaa19dce8c9b722d46ae6a57c2f1a988119488b50931 + consensus.CSVHeight = 419328; // 000000000000000004a1b34462cb8aeebd5799177f7a29cf28f2d1961716b5b5 + consensus.SegwitHeight = 481824; // 0000000000000000001c8018d9cb3b742ef25114f27563e3fc4a1902167f9893 + consensus.MinBIP9WarningHeight = 483840; // segwit activation height + miner confirmation window + 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 + + // The best chain should have at least this much work. + consensus.nMinimumChainWork = uint256S("0x00000000000000000000000000000000000000000e1ab5ec9348e9f4b8eb8154"); + + // By default assume that the signatures in ancestors of this block are valid. + consensus.defaultAssumeValid = uint256S("0x0000000000000000000f2adce67e49b0b6bdeb9de8b7c3d7e93b21e7fc1e819d"); // 623950 + + /** + * 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] = 0xf9; + pchMessageStart[1] = 0xbe; + pchMessageStart[2] = 0xb4; + pchMessageStart[3] = 0xd9; + nDefaultPort = 8333; + nPruneAfterHeight = 100000; + m_assumed_blockchain_size = 320; + m_assumed_chain_state_size = 4; + + genesis = CreateGenesisBlock(1231006505, 2083236893, 0x1d00ffff, 1, 50 * COIN); + consensus.hashGenesisBlock = genesis.GetHash(); + assert(consensus.hashGenesisBlock == uint256S("0x000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f")); + assert(genesis.hashMerkleRoot == uint256S("0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b")); + + // 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 an addrfetch 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.bitcoin.sipa.be"); // Pieter Wuille, only supports x1, x5, x9, and xd + vSeeds.emplace_back("dnsseed.bluematt.me"); // Matt Corallo, only supports x9 + vSeeds.emplace_back("dnsseed.bitcoin.dashjr.org"); // Luke Dashjr + vSeeds.emplace_back("seed.bitcoinstats.com"); // Christian Decker, supports x1 - xf + vSeeds.emplace_back("seed.bitcoin.jonasschnelli.ch"); // Jonas Schnelli, only supports x1, x5, x9, and xd + vSeeds.emplace_back("seed.btc.petertodd.org"); // Peter Todd, only supports x1, x5, x9, and xd + vSeeds.emplace_back("seed.bitcoin.sprovoost.nl"); // Sjors Provoost + vSeeds.emplace_back("dnsseed.emzy.de"); // Stephan Oeste + vSeeds.emplace_back("seed.bitcoin.wiz.biz"); // Jason Maurice + + base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,0); + base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,5); + base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,128); + base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x88, 0xB2, 0x1E}; + base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x88, 0xAD, 0xE4}; + + bech32_hrp = "bc"; + + vFixedSeeds = std::vector<SeedSpec6>(pnSeed6_main, pnSeed6_main + ARRAYLEN(pnSeed6_main)); + + fDefaultConsistencyChecks = false; + fRequireStandard = true; + m_is_test_chain = false; + m_is_mockable_chain = false; + + checkpointData = { + { + { 11111, uint256S("0x0000000069e244f73d78e8fd29ba2fd2ed618bd6fa2ee92559f542fdb26e7c1d")}, + { 33333, uint256S("0x000000002dd5588a74784eaa7ab0507a18ad16a236e7b1ce69f00d7ddfb5d0a6")}, + { 74000, uint256S("0x0000000000573993a3c9e41ce34471c079dcf5f52a0e824a81e7f953b8661a20")}, + {105000, uint256S("0x00000000000291ce28027faea320c8d2b054b2e0fe44a773f3eefb151d6bdc97")}, + {134444, uint256S("0x00000000000005b12ffd4cd315cd34ffd4a594f430ac814c91184a0d42d2b0fe")}, + {168000, uint256S("0x000000000000099e61ea72015e79632f216fe6cb33d7899acb35b75c8303b763")}, + {193000, uint256S("0x000000000000059f452a5f7340de6682a977387c17010ff6e6c3bd83ca8b1317")}, + {210000, uint256S("0x000000000000048b95347e83192f69cf0366076336c639f9b7228e9ba171342e")}, + {216116, uint256S("0x00000000000001b4f4b433e81ee46494af945cf96014816a4e2370f11b23df4e")}, + {225430, uint256S("0x00000000000001c108384350f74090433e7fcf79a606b8e797f065b130575932")}, + {250000, uint256S("0x000000000000003887df1f29024b06fc2200b55f8af8f35453d7be294df2d214")}, + {279000, uint256S("0x0000000000000001ae8c72a0b0c301f67e3afca10e819efa9041e458e9bd7e40")}, + {295000, uint256S("0x00000000000000004d9b4ef50f0f9d686fd69db2e03af35a100370c64632a983")}, + } + }; + + chainTxData = ChainTxData{ + // Data from RPC: getchaintxstats 4096 0000000000000000000f2adce67e49b0b6bdeb9de8b7c3d7e93b21e7fc1e819d + /* nTime */ 1585764811, + /* nTxCount */ 517186863, + /* dTxRate */ 3.305709665792344, + }; + } +}; + +/** + * Testnet (v3) + */ +class CTestNetParams : public CChainParams { +public: + CTestNetParams() { + strNetworkID = CBaseChainParams::TESTNET; + consensus.signet_blocks = false; + consensus.signet_challenge.clear(); + consensus.nSubsidyHalvingInterval = 210000; + consensus.BIP16Exception = uint256S("0x00000000dd30457c001f4095d208cc1296b0eed002427aa599874af7a432b105"); + consensus.BIP34Height = 21111; + consensus.BIP34Hash = uint256S("0x0000000023b3a96d3484e5abb3755c413e7d41500f8e2a5c3f0dd01299cd8ef8"); + consensus.BIP65Height = 581885; // 00000000007f6655f22f98e72ed80d8b06dc761d5da09df0fa1dc4be4f861eb6 + consensus.BIP66Height = 330776; // 000000002104c8c45e99a8853285a3b592602a3ccde2b832481da85e9e4ba182 + consensus.CSVHeight = 770112; // 00000000025e930139bac5c6c31a403776da130831ab85be56578f3fa75369bb + consensus.SegwitHeight = 834624; // 00000000002b980fcd729daaa248fd9316a5200e9b367f4ff2c42453e84201ca + consensus.MinBIP9WarningHeight = 836640; // segwit activation height + miner confirmation window + consensus.powLimit = uint256S("00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff"); + consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks + consensus.nPowTargetSpacing = 10 * 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 + + // The best chain should have at least this much work. + consensus.nMinimumChainWork = uint256S("0x0000000000000000000000000000000000000000000001495c1d5a01e2af8a23"); + + // By default assume that the signatures in ancestors of this block are valid. + consensus.defaultAssumeValid = uint256S("0x000000000000056c49030c174179b52a928c870e6e8a822c75973b7970cfbd01"); // 1692000 + + pchMessageStart[0] = 0x0b; + pchMessageStart[1] = 0x11; + pchMessageStart[2] = 0x09; + pchMessageStart[3] = 0x07; + nDefaultPort = 18333; + nPruneAfterHeight = 1000; + m_assumed_blockchain_size = 40; + m_assumed_chain_state_size = 2; + + genesis = CreateGenesisBlock(1296688602, 414098458, 0x1d00ffff, 1, 50 * COIN); + consensus.hashGenesisBlock = genesis.GetHash(); + assert(consensus.hashGenesisBlock == uint256S("0x000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943")); + assert(genesis.hashMerkleRoot == uint256S("0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b")); + + vFixedSeeds.clear(); + vSeeds.clear(); + // nodes with support for servicebits filtering should be at the top + vSeeds.emplace_back("testnet-seed.bitcoin.jonasschnelli.ch"); + vSeeds.emplace_back("seed.tbtc.petertodd.org"); + vSeeds.emplace_back("seed.testnet.bitcoin.sprovoost.nl"); + vSeeds.emplace_back("testnet-seed.bluematt.me"); // Just a static list of stable node(s), only supports x9 + + 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] = {0x04, 0x35, 0x87, 0xCF}; + base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94}; + + bech32_hrp = "tb"; + + vFixedSeeds = std::vector<SeedSpec6>(pnSeed6_test, pnSeed6_test + ARRAYLEN(pnSeed6_test)); + + fDefaultConsistencyChecks = false; + fRequireStandard = false; + m_is_test_chain = true; + m_is_mockable_chain = false; + + checkpointData = { + { + {546, uint256S("000000002a936ca763904c3c35fce2f3556c559c0214345d31b1bcebf76acb70")}, + } + }; + + chainTxData = ChainTxData{ + // Data from RPC: getchaintxstats 4096 000000000000056c49030c174179b52a928c870e6e8a822c75973b7970cfbd01 + /* nTime */ 1585561140, + /* nTxCount */ 13483, + /* dTxRate */ 0.08523187013249722, + }; + } +}; + +/** + * Signet + */ +class SigNetParams : public CChainParams { +public: + explicit SigNetParams(const ArgsManager& args) { + std::vector<uint8_t> bin; + vSeeds.clear(); + + if (!args.IsArgSet("-signetchallenge")) { + bin = ParseHex("512103ad5e0edad18cb1f0fc0d28a3d4f1f3e445640337489abb10404f2d1e086be430210359ef5021964fe22d6f8e05b2463c9540ce96883fe3b278760f048f5189f2e6c452ae"); + vSeeds.emplace_back("178.128.221.177"); + vSeeds.emplace_back("2a01:7c8:d005:390::5"); + vSeeds.emplace_back("ntv3mtqw5wt63red.onion:38333"); + + consensus.nMinimumChainWork = uint256S("0x0000000000000000000000000000000000000000000000000000000d145533ce"); + consensus.defaultAssumeValid = uint256S("0x00000128807d9175c494e24d805fc7854f7d79aa965cbb128342ad8b70cecfa5"); // 5348 + m_assumed_blockchain_size = 1; + m_assumed_chain_state_size = 0; + chainTxData = ChainTxData{ + // Data from RPC: getchaintxstats 4096 00000128807d9175c494e24d805fc7854f7d79aa965cbb128342ad8b70cecfa5 + /* nTime */ 1601382000, + /* nTxCount */ 5435, + /* dTxRate */ 0.001898346323372538, + }; + } else { + const auto signet_challenge = args.GetArgs("-signetchallenge"); + if (signet_challenge.size() != 1) { + throw std::runtime_error(strprintf("%s: -signetchallenge cannot be multiple values.", __func__)); + } + bin = ParseHex(signet_challenge[0]); + + m_assumed_blockchain_size = 0; + m_assumed_chain_state_size = 0; + chainTxData = ChainTxData{ + 0, + 0, + 0, + }; + LogPrintf("Signet with challenge %s\n", signet_challenge[0]); + } + + if (args.IsArgSet("-signetseednode")) { + vSeeds = args.GetArgs("-signetseednode"); + } + + strNetworkID = CBaseChainParams::SIGNET; + consensus.signet_blocks = true; + consensus.signet_challenge.assign(bin.begin(), bin.end()); + consensus.nSubsidyHalvingInterval = 210000; + consensus.BIP34Height = 1; + consensus.BIP65Height = 1; + consensus.BIP66Height = 1; + consensus.CSVHeight = 1; + consensus.SegwitHeight = 1; + consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks + consensus.nPowTargetSpacing = 10 * 60; + consensus.fPowAllowMinDifficultyBlocks = false; + consensus.fPowNoRetargeting = false; + consensus.nRuleChangeActivationThreshold = 1916; + consensus.nMinerConfirmationWindow = 2016; + consensus.powLimit = uint256S("00000377ae000000000000000000000000000000000000000000000000000000"); + 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 + + // message start is defined as the first 4 bytes of the sha256d of the block script + CHashWriter h(SER_DISK, 0); + h << consensus.signet_challenge; + uint256 hash = h.GetHash(); + memcpy(pchMessageStart, hash.begin(), 4); + + nDefaultPort = 38333; + nPruneAfterHeight = 1000; + + genesis = CreateGenesisBlock(1598918400, 52613770, 0x1e0377ae, 1, 50 * COIN); + consensus.hashGenesisBlock = genesis.GetHash(); + assert(consensus.hashGenesisBlock == uint256S("0x00000008819873e925422c1ff0f99f7cc9bbb232af63a077a480a3633bee1ef6")); + assert(genesis.hashMerkleRoot == uint256S("0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b")); + + vFixedSeeds.clear(); + + 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] = {0x04, 0x35, 0x87, 0xCF}; + base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94}; + + bech32_hrp = "tb"; + + fDefaultConsistencyChecks = false; + fRequireStandard = true; + m_is_test_chain = true; + m_is_mockable_chain = false; + } +}; + +/** + * Regression test + */ +class CRegTestParams : public CChainParams { +public: + explicit CRegTestParams(const ArgsManager& args) { + strNetworkID = CBaseChainParams::REGTEST; + consensus.signet_blocks = false; + consensus.signet_challenge.clear(); + consensus.nSubsidyHalvingInterval = 150; + consensus.BIP16Exception = uint256(); + 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.CSVHeight = 432; // CSV activated on regtest (Used in rpc activation tests) + consensus.SegwitHeight = 0; // SEGWIT is always activated on regtest unless overridden + consensus.MinBIP9WarningHeight = 0; + 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 = 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; + m_assumed_blockchain_size = 0; + m_assumed_chain_state_size = 0; + + UpdateActivationParametersFromArgs(args); + + genesis = CreateGenesisBlock(1296688602, 2, 0x207fffff, 1, 50 * COIN); + consensus.hashGenesisBlock = genesis.GetHash(); + assert(consensus.hashGenesisBlock == uint256S("0x0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206")); + assert(genesis.hashMerkleRoot == uint256S("0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b")); + + vFixedSeeds.clear(); //!< Regtest mode doesn't have any fixed seeds. + vSeeds.clear(); //!< Regtest mode doesn't have any DNS seeds. + + fDefaultConsistencyChecks = true; + fRequireStandard = true; + m_is_test_chain = true; + m_is_mockable_chain = true; + + checkpointData = { + { + {0, uint256S("0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206")}, + } + }; + + 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] = {0x04, 0x35, 0x87, 0xCF}; + base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94}; + + bech32_hrp = "bcrt"; + } + + /** + * 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 UpdateActivationParametersFromArgs(const ArgsManager& args); +}; + +void CRegTestParams::UpdateActivationParametersFromArgs(const ArgsManager& args) +{ + if (args.IsArgSet("-segwitheight")) { + int64_t height = args.GetArg("-segwitheight", consensus.SegwitHeight); + if (height < -1 || height >= std::numeric_limits<int>::max()) { + throw std::runtime_error(strprintf("Activation height %ld for segwit is out of valid range. Use -1 to disable segwit.", height)); + } else if (height == -1) { + LogPrintf("Segwit disabled for testing\n"); + height = std::numeric_limits<int>::max(); + } + consensus.SegwitHeight = static_cast<int>(height); + } + + 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 ArgsManager& args, 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::SIGNET) { + return std::unique_ptr<CChainParams>(new SigNetParams(args)); + } else if (chain == CBaseChainParams::REGTEST) { + return std::unique_ptr<CChainParams>(new CRegTestParams(args)); + } + throw std::runtime_error(strprintf("%s: Unknown chain %s.", __func__, chain)); +} + +void SelectParams(const std::string& network) +{ + SelectBaseParams(network); + globalChainParams = CreateChainParams(gArgs, network); +} |