/
chainparams.cpp
658 lines (575 loc) · 35.9 KB
/
chainparams.cpp
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// 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)
{
int64_t nChainStartTime = 1391393673;
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;
txNew.nTime = nChainStartTime;
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 = "31/5";
const CScript genesisOutputScript = CScript() << ParseHex("040184710fa689ad5023690c80f3a49c8f13f8d45b8c857fbcbc8bc4a8e4d3eb4b10f4d4604fa08dce601aaf0f470216fe1b51850b4acf21b179c45070ac7b03a9") << 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"); // P2SH
consensus.BIP34Height = 227931;
consensus.BIP34Height = 0;
consensus.BIP34Hash = uint256S("0x000000000000024b89b42a942fe0d9fea3bb44ab7bd1b19115dd6a759c0808b8");
consensus.BIP34Hash = uint256S("0x2d8251121940abce6e28df134c6432e8c5a00d59989a2451806c2778c3a06112"); // Block v2, Height in Coinbase [using genesis]
consensus.BIP65Height = 388381; // 000000000000000004c2b624ed5d7756c508d90fd0da2c7c679febfa6c4735f0 consensus.BIP65Height = 388381; // OP_CHECKLOCKTIMEVERIFY [Consensus (soft fork)] - forced far into future for now
consensus.BIP66Height = 363725; // 00000000000000000379eaa19dce8c9b722d46ae6a57c2f1a988119488b50931 consensus.BIP66Height = 363725; // Strict DER signatures [Consensus (soft fork)] - forced far into future for now
consensus.nProofOfStakeLimit = UintToArith256(uint256S("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"));
consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks consensus.nPowTargetTimespan = 3.5 * 24 * 60 * 60; // 3.5 days
consensus.nPowTargetSpacing = 10 * 60;
consensus.nPowTargetSpacing = 2.5 * 60;
consensus.nProofOfStakeLimit = ~arith_uint256("0") >> 2;
consensus.nProofOfWorkLimit = ~arith_uint256("0") >> 20;
consensus.nPowTargetTimespan = 3.5 * 24 * 60 * 60; // 3.5 days
consensus.nPowTargetSpacing = 2.5 * 60;
consensus.fPowAllowMinDifficultyBlocks = true;
consensus.fPowNoRetargeting = false;
consensus.fPowAllowMinDifficultyBlocks = false;
consensus.fPowNoRetargeting = false;
consensus.nRuleChangeActivationThreshold = 6048; // 75% of 8064
consensus.nMinerConfirmationWindow = 2016; // nPowTargetTimespan / nPowTargetSpacing
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
// Proof of stake
consensus.posLimit = uint256S("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
consensus.nStakeMinAge = 60 * 60 * 1 * 1; // 1h, minimum age for coin age: 6h
consensus.nStakeMaxAge = 60 * 60 * 8 * 1; // 8h, stake age of full weight: 4d 60*60*24*1
consensus.nStakeTargetSpacing = 60; // 60 sec block spacing
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
consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nTimeout = 1809129600; // May 1st, 2027
// Deployment of SegWit (BIP141, BIP143, and BIP147) // Deployment of SegWit (BIP141, BIP143, and BIP147)
consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].bit = 1;
consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].bit = 1;
consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nStartTime = 1479168000; // November 15th, 2016. consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nStartTime = 1794700800000; // November 15th, 2026.
consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nTimeout = 1510704000; // November 15th, 2017. consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nTimeout = 1826236800; // November 15th, 2027.
// The best chain should have at least this much work. // The best chain should have at least this much work.
consensus.nMinimumChainWork = uint256S("0x0000000000000000000000000000000000000000028822fef1c230963535a90d"); //consensus.nMinimumChainWork = uint256S("0x0000000000000000000000000000000000000000028822fef1c230963535a90d");
consensus.nMinimumChainWork = uint256S("0x0000000000000000000000000000000000000000000000000000000000000000"); // TODO: [rzr] check this value as it should probably correspond to the actual work of the last checkpointed block
// By default assume that the signatures in ancestors of this block are valid. // By default assume that the signatures in ancestors of this block are valid.
consensus.defaultAssumeValid = uint256S("0x0000000000000000002e63058c023a9a1de233554f28c7b21380b6c9003f36a8"); //534292 consensus.defaultAssumeValid = uint256S("0x00000000001bd0502781789a5e148136fb6e071576e5ed4764186db7e474accb "); // 1000
/** /**
* The message start string is designed to be unlikely to occur in normal data. * 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 * The characters are rarely used upper ASCII, not valid as UTF-8, and produce
* a large 32-bit integer with any alignment. * a large 32-bit integer with any alignment.
*/
* /
pchMessageStart[0] = 0xf9;
pchMessageStart[0] = 0x70;
pchMessageStart[1] = 0xbe;
pchMessageStart[1] = 0x35;
pchMessageStart[2] = 0xb4;
pchMessageStart[2] = 0x22;
pchMessageStart[3] = 0xd9;
pchMessageStart[3] = 0x05;
nDefaultPort = 8333;
nDefaultPort = 29662;
nPruneAfterHeight = 100000;
nPruneAfterHeight = 100000;
genesis = CreateGenesisBlock(1231006505, 2083236893, 0x1d00ffff, 1, 50 * COIN);
genesis = CreateGenesisBlock(1401537155, 1363322, 504365055, 1, 0);
consensus.hashGenesisBlock = genesis.GetHash();
consensus.hashGenesisBlock = genesis.GetHash();
assert(consensus.hashGenesisBlock == uint256S("0x000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f"));
assert(consensus.hashGenesisBlock == uint256S("0x2d8251121940abce6e28df134c6432e8c5a00d59989a2451806c2778c3a06112"));
assert(genesis.hashMerkleRoot == uint256S("0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"));
assert(genesis.hashMerkleRoot == uint256S("0x1831d9f590f8b705ed996fcaa37ece517cfa6eb619af6738b2606383eab5a619"));
// Note that of those which support the service bits prefix, most only support a subset of // Note that of those which support the service bits prefix, most only support a subset of
// possible options. // possible options.
// This is fine at runtime as we'll fall back to using them as a oneshot if they don't support the // 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 // 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. // 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("101.183.63.13");
vSeeds.emplace_back("dnsseed.bitcoin.dashjr.org"); // Luke Dashjr vSeeds.emplace_back("104.159.171.182");
vSeeds.emplace_back("seed.bitcoinstats.com"); // Christian Decker, supports x1 - xf vSeeds.emplace_back("104.254.41.191");
vSeeds.emplace_back("seed.bitcoin.jonasschnelli.ch"); // Jonas Schnelli, only supports x1, x5, x9, and xd vSeeds.emplace_back("107.207.166.81");
vSeeds.emplace_back("seed.btc.petertodd.org"); // Peter Todd, only supports x1, x5, x9, and xd vSeeds.emplace_back("108.170.32.130");
vSeeds.emplace_back("seed.bitcoin.sprovoost.nl"); // Sjors Provoost
vSeeds.emplace_back("node1.cloakcoin.com");
base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1, 0);
vSeeds.emplace_back("node2.cloakcoin.com");
base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1, 5);
vSeeds.emplace_back("node3.cloakcoin.com");
base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1, 128);
vSeeds.emplace_back("node4.cloakcoin.com");
base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x88, 0xB2, 0x1E};
vSeeds.emplace_back("node5.cloakcoin.com");
base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x88, 0xAD, 0xE4};
vSeeds.emplace_back("173.212.243.180");
vSeeds.emplace_back("213.136.75.147");
bech32_hrp = "bc";
/*
PUBKEY_ADDRESS = 27, // CloakCoin: address begin with 'C'
SCRIPT_ADDRESS = 85,
PUBKEY_ADDRESS_TEST = 111,
SCRIPT_ADDRESS_TEST = 196,
*/
base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1, 27);
base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1, 85);
base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1, 176); // TODO: check if value should be changed
base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x88, 0xB2, 0x1E}; // TODO: check if value should be changed
base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x88, 0xAD, 0xE4}; // TODO: check if value should be changed
bech32_hrp = "cc";
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;
fMiningRequiresPeers = true;
m_fallback_fee_enabled = false;
checkpointData = {
{
{0, consensus.hashGenesisBlock},
{33333, uint256S("0x000000002dd5588a74784eaa7ab0507a18ad16a236e7b1ce69f00d7ddfb5d0a6")},
{7900, uint256S("0x00000000000b3e4280fb009d24dfc90c563a225f3ef8dcefb230ab0fa1b820d6")},
{74000, uint256S("0x0000000000573993a3c9e41ce34471c079dcf5f52a0e824a81e7f953b8661a20")},
{25000, uint256S("0x977d97d18c3666fe6747e178b54959edf1d15ac282a0b3e052adcf1aaaf5fbe1")},
{105000, uint256S("0x00000000000291ce28027faea320c8d2b054b2e0fe44a773f3eefb151d6bdc97")},
{50000, uint256S("0xdd6cf2ae0ad0ed2356a0f580f2cda34bfeb7d5a4d871f9a324b979e31c516082")},
{134444, uint256S("0x00000000000005b12ffd4cd315cd34ffd4a594f430ac814c91184a0d42d2b0fe")},
{75000, uint256S("0x4ce8ef2b38bbc7db5993a4ad3a83d2086294d5724acf2791f385e86da2e5fe50")},
{168000, uint256S("0x000000000000099e61ea72015e79632f216fe6cb33d7899acb35b75c8303b763")},
{100000, uint256S("0x2c8022b567300009600eb640d6eba9e7d6604ac2d81905325caf0df1bb521fc8")},
{193000, uint256S("0x000000000000059f452a5f7340de6682a977387c17010ff6e6c3bd83ca8b1317")},
{125000, uint256S("0x28bd26bee8d3792d2696447b7d8e09efd6a27be16e5d65f68b0731fb054c7bdc")},
{210000, uint256S("0x000000000000048b95347e83192f69cf0366076336c639f9b7228e9ba171342e")},
{150000, uint256S("0xb3d59f85fb1aee62e875a551a416fc8a6e518901e9a41a91cba1b18591eecbac")},
{216116, uint256S("0x00000000000001b4f4b433e81ee46494af945cf96014816a4e2370f11b23df4e")},
{175000, uint256S("0x94b5c48efa1cb5cd7d878d2b5481efc02844ea87eebb7706d51a291e6c691853")},
{225430, uint256S("0x00000000000001c108384350f74090433e7fcf79a606b8e797f065b130575932")},
{200000, uint256S("0x07a0aacedd13fee9a2e997c96d9b573db7a5a787338c6877d520987c0e56801c")},
{250000, uint256S("0x000000000000003887df1f29024b06fc2200b55f8af8f35453d7be294df2d214")},
{225000, uint256S("0xd76864a1e67afeac7a5cef5fd767f8dd407c9e79155a74b0645da9d7c85738f7")},
{279000, uint256S("0x0000000000000001ae8c72a0b0c301f67e3afca10e819efa9041e458e9bd7e40")},
{250000, uint256S("0xddf556bb8cbd6252d79dbef076d538b15d96434039de96c63841e2c0563cc458")},
{295000, uint256S("0x00000000000000004d9b4ef50f0f9d686fd69db2e03af35a100370c64632a983")},
{275000, uint256S("0xf83b1cc58226913005991ca37227ef848d0309fa2cbbf2589837270f9b243cc7")},
{300000, uint256S("0x5f1e1cb6a93c3233669f039eba558998f8ec6a76e19b96c9ae4eae808bd346f1")},
{325000, uint256S("0xe1d7090e2385a7278cd4a160379b451faedf45609bf0049248553bddcb869f14")},
{350000, uint256S("0x2ad2d16cae48a283b1a5292fb48436750f32dcf2e7dcbbf259f58f2ce14448f1")},
{375000, uint256S("0x39847cb2e1dee0c3726578a9540c69ce93de7514fd2462422da0c9a834d8e203")},
{400000, uint256S("0x6dafff13cb9548aaaf49ed83ecdcc2684f9baf8e7f1170a3b9e2a16b71d80fcb")},
{425000, uint256S("0xf897e4b075350b2166e1c0dcb9496a5ea32611b3519da87a7b4f006b56f3f310")},
{450000, uint256S("0xc7d4889dc95111d442dffc310820add69bc9826297235c9629aa83f890cd5047")},
{475000, uint256S("0x2cbc03b78cfd38f6d3e6bbc4006ed82762e12b575f99407ef60a498396f36420")},
{500000, uint256S("0xbccd07f2827937007a6662cd1fb38da7316940fa963fa1c5180d8bb2a28878d7")},
{525000, uint256S("0x50ac7a25eb435b427720e5d64889d98a968495282d53ad69b2c2d293b1ee0e10")},
{550000, uint256S("0xfc1959eef795b528753afbf69c421b8996e106652004087fbd4e530b62b3836f")},
{575000, uint256S("0xae397e88688fc09f7df96020fee7d8311a0365ab7a95dac324fa155065580961")},
{600000, uint256S("0xd2d5877d281e2b664c3666fc5edc7099ad9ec6ccb701259e68ec291aa77d9fe0")},
{625000, uint256S("0x29023ccc4d3e037b1cf1bd4393b16b7926a00f3480b4e4b327138961260d0848")},
{650000, uint256S("0xa8193ee04d8dec5fdd21af5923aabbff3f8d02bd30ebf425903efc50f7f242f7")},
{675000, uint256S("0x8832f8e6c9c446e9370040b31c540e459a5a5d108eedf1136189a7aa6a10bb8a")},
{700000, uint256S("0x3008cf349da9ed1395911404aec5610784c97afbee2e99fe38595456a9783fd8")},
{725000, uint256S("0x06ff2fd9b59a509ce3330e2eec1074d3f56be47c0d0b01c97038db5d884a4129")},
{750000, uint256S("0x678a68f20275265991408d6002c8d3a60426503f1d23869b3d18d40f73d59665")},
{775000, uint256S("0x6f3a67246cd3efb1d1cc3267d41cafdceac76cfc89821db892b66ecd33bb8664")},
{800000, uint256S("0xb306a358dded8e42d7480162566ea0f08a05e937ff502c53ffe91d6c60672784")},
{805000, uint256S("0xd3ea3b2f0e2fe2a6072c6c5df0f1ad2149d300a36e1142c867156df67dcc50cf")},
{810000, uint256S("0xd969eda363dc90373c5a65288e6889bbd96103a70c9c821127533fbe13770fa0")},
}
};
chainTxData = ChainTxData{
// Data from RPC: getchaintxstats 4096 0000000000000000000b9d2ec5a352ecba0592946514a92f14319dc2b367fc72
/* nTime */ 1603995752,
/* nTxCount */ 582083445,
/* dTxRate */ 3.508976121410527,
};
}
};
/**
* 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.nProofOfStakeLimit = UintToArith256(uint256S("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"));
consensus.nPowTargetTimespan = 3.5 * 24 * 60 * 60; // 3.5 days
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
// Proof of stake
consensus.posLimit = uint256S("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
consensus.nStakeMinAge = 60 * 60 * 1 * 1; // 1h, minimum age for coin age: 6h
consensus.nStakeMaxAge = 60 * 60 * 8 * 1; // 8h, stake age of full weight: 4d 60*60*24*1
consensus.nStakeTargetSpacing = 60; // 60 sec block spacing
// Deployment of Taproot (BIPs 340-342)
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].bit = 2;
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nStartTime = 1777593600; // January 1, 2008
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nTimeout = 1809129600; // December 31, 2008
consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].bit = 1;
consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nStartTime = 1794700800000; // November 15th, 2026.
consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nTimeout = 1826236800; // November 15th, 2027.
consensus.nMinimumChainWork = uint256S("0x0000000000000000000000000000000000000000000000000000000000000000");
consensus.defaultAssumeValid = uint256S("0x000000000000006433d1efec504c53ca332b64963c425395515b01977bd7b3b0"); // 1864000
consensus.nProofOfWorkLimit = ~arith_uint256("0") >> 2;
consensus.nPowTargetTimespan = 60 * 30; // 30 blocks
consensus.nPowTargetSpacing = 3 * consensus.nStakeTargetSpacing;
consensus.fPowAllowMinDifficultyBlocks = false;
consensus.fPowNoRetargeting = false;
pchMessageStart[0] = 0x27;
pchMessageStart[1] = 0xF0;
pchMessageStart[2] = 0x75;
pchMessageStart[3] = 0x2A;
nDefaultPort = 29664;
nPruneAfterHeight = 1000;
m_assumed_blockchain_size = 40;
m_assumed_chain_state_size = 2;
fMiningRequiresPeers = true;
m_fallback_fee_enabled = false;
genesis = CreateGenesisBlock(1436293363, 1363323, 541065215, 1, 0);
consensus.hashGenesisBlock = genesis.GetHash();
assert(consensus.hashGenesisBlock == uint256S("0xe0b104aef9b6c0dd6e2e05a10fa2c7b34406c8be8b3e09e9135ef91e0c576c10"));
assert(genesis.hashMerkleRoot == uint256S("0x1831d9f590f8b705ed996fcaa37ece517cfa6eb619af6738b2606383eab5a619"));
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 = "cct";
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 000000000000006433d1efec504c53ca332b64963c425395515b01977bd7b3b0
/* nTime */ 1603359686,
/* nTxCount */ 58090238,
/* dTxRate */ 0.1232886622799463,
};
}
};
/**
* 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("v7ajjeirttkbnt32wpy3c6w3emwnfr3fkla7hpxcfokr3ysd3kqtzmqd.onion:38333");
fMiningRequiresPeers = true;
m_fallback_fee_enabled = false;
consensus.nMinimumChainWork = uint256S("0x00000000000000000000000000000000000000000000000000000019fd16269a");
consensus.defaultAssumeValid = uint256S("0x0000002a1de0f46379358c1fd09906f7ac59adf3712323ed90eb59e4c183c020"); // 9434
m_assumed_blockchain_size = 1;
m_assumed_chain_state_size = 0;
chainTxData = ChainTxData{
// Data from RPC: getchaintxstats 4096 0000002a1de0f46379358c1fd09906f7ac59adf3712323ed90eb59e4c183c020
/* nTime */ 1603986000,
/* nTxCount */ 9582,
/* dTxRate */ 0.00159272030651341,
};
} 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]);
fMiningRequiresPeers = true;
m_fallback_fee_enabled = false;
consensus.nMinimumChainWork = uint256{};
consensus.defaultAssumeValid = uint256{};
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.BIP16Exception = uint256{};
consensus.BIP34Height = 1;
consensus.BIP34Hash = uint256{};
consensus.BIP65Height = 1;
consensus.BIP66Height = 1;
consensus.CSVHeight = 1;
consensus.SegwitHeight = 1;
consensus.nPowTargetSpacing = 10 * 60;
consensus.fPowAllowMinDifficultyBlocks = false;
consensus.fPowNoRetargeting = false;
consensus.nRuleChangeActivationThreshold = 1916; // 95% of 2016
consensus.nMinerConfirmationWindow = 2016;
consensus.MinBIP9WarningHeight = 0;
onsensus.nProofOfStakeLimit = UintToArith256(uint256S("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"));
consensus.nStakeMinAge = 60 * 60 * 1 * 1; // 1h, minimum age for coin age: 6h
consensus.nStakeMaxAge = 60 * 60 * 8 * 1; // 8h, stake age of full weight: 4d 60*60*24*1
consensus.nStakeTargetSpacing = 60; // 60 sec block spacing
// Proof of work
consensus.nProofOfWorkLimit = UintToArith256(uint256S("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"));
consensus.nPowTargetTimespan = 60 * 30; // 30 blocks
consensus.nPowTargetSpacing = 3 * consensus.nStakeTargetSpacing;
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
// Activation of Taproot (BIPs 340-342)
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].bit = 2;
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nStartTime = Consensus::BIP9Deployment::ALWAYS_ACTIVE;
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
// 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;
m_fallback_fee_enabled = true;
fMiningRequiresPeers = 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.nProofOfWorkLimit = UintToArith256(uint256S("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"));
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;
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].bit = 2;
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nStartTime = Consensus::BIP9Deployment::ALWAYS_ACTIVE;
consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
consensus.nMinimumChainWork = uint256{};
consensus.defaultAssumeValid = uint256{};
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("0x2e4b4c8f25132141584245e7513fe4b9ea6b771ae4c654a1ab5186ebf1a789b2"));
assert(genesis.hashMerkleRoot == uint256S("0x1831d9f590f8b705ed996fcaa37ece517cfa6eb619af6738b2606383eab5a619"));
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("2e4b4c8f25132141584245e7513fe4b9ea6b771ae4c654a1ab5186ebf1a789b2")},
}
};
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 = "ccrt";
}
/**
* 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);
}