/
chainparams.cpp
628 lines (543 loc) · 30 KB
/
chainparams.cpp
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// Copyright (c) 2010 Satoshi Nakamoto
// Copyright (c) 2009-2022 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 <deploymentinfo.h>
#include <hash.h> // for signet block challenge hash
#include <script/interpreter.h>
#include <util/string.h>
#include <util/system.h>
#include <assert.h>
#include <stdio.h>
#include <inttypes.h>
#include <cinttypes>
#include <arith_uint256.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.
*
* 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 = "Segwit added to Bitnet restart 02-26-2023";
const CScript genesisOutputScript = CScript() << ParseHex("04594c39e7eacaa78d2bb0073725c1b75187a1a5b12a8e78d5222c9efacd7e37bb1455a582c2f6b2ac6b60d2899376780367f2a9aad91d42f23cd9f60663575bad") << OP_CHECKSIG;
return CreateGenesisBlock(pszTimestamp, genesisOutputScript, nTime, nNonce, nBits, nVersion, genesisReward);
}
/**
* Main network on which people trade goods and services.
*/
class CMainParams : public CChainParams {
public:
CMainParams() {
strNetworkID = CBaseChainParams::MAIN;
consensus.signet_blocks = false;
consensus.signet_challenge.clear();
// consensus.nSubsidyHalvingInterval = 210000;
consensus.nSubsidyHalvingInterval = 6000000;
consensus.script_flag_exceptions.emplace( // BIP16 exception
uint256S("0x00000000000002dc756eebf4f49723ed8d30cc28a5f108eb94b1ba88ac4f9c22"), SCRIPT_VERIFY_NONE);
consensus.script_flag_exceptions.emplace( // Taproot exception
uint256S("0x0000000000000000000f14c35b2d841e986ab5441de8c585d5ffe55ea1e395ad"), SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_WITNESS);
consensus.BIP34Height = 0;
consensus.BIP34Hash = uint256S("0x00000caff19214512f927af2b7cead4b33a54c096e432a275628cb4cf8d4b73c");
consensus.BIP65Height = 0; // 000000000000000004c2b624ed5d7756c508d90fd0da2c7c679febfa6c4735f0
consensus.BIP66Height = 0; // 00000000000000000379eaa19dce8c9b722d46ae6a57c2f1a988119488b50931
consensus.CSVHeight = 10; // 000000000000000004a1b34462cb8aeebd5799177f7a29cf28f2d1961716b5b5
consensus.SegwitHeight = 10; // 0000000000000000001c8018d9cb3b742ef25114f27563e3fc4a1902167f9893
// consensus.switchAlgoHeight = std::numeric_limits<int>::max();
consensus.switchAlgoHeight = 125000; // activate aurum @ 125,000 height
consensus.MinBIP9WarningHeight = 2026; // segwit activation height + miner confirmation window
consensus.powLimit = uint256S("00ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"); // sha256d
// consensus.powLimit = uint256S("00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff"); // bitcoin original powlimit
consensus.powLimit2 = uint256S("0000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"); // aurum
consensus.nPowTargetTimespan = 24 * 60 * 60; // 24 * 60 * 60 one day
consensus.nPowTargetSpacing = 3.5 * 60; // 3.5 * 60 3.5 minutes
consensus.fPowAllowMinDifficultyBlocks = false;
consensus.fPowNoRetargeting = false; //no more Pow retargeting our chain works
consensus.nPowKGWHeight = 11625;
consensus.nPowDGWHeight = 11625;
consensus.nRuleChangeActivationThreshold = 1916; // 95% of 2016
consensus.nMinerConfirmationWindow = 2016; // nPowTargetTimespan / nPowTargetSpacing
// consensus.nMinerConfirmationWindow = 100; // nPowTargetTimespan / nPowTargetSpacing
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
// consensus.nMinimumChainWork = uint256S("0x00000000000000000000000000000000000000003404ba0801921119f903495e");
consensus.nMinimumChainWork = uint256S("0x0000000000000000000000000000000000000000000001c098a087afb5f07823");
consensus.defaultAssumeValid = uint256S("0x000000000000002d05e938bb1360c7dea3f15628eacb260fd5657d839c4e58c6"); // 92345 current 10-24-2023
/**
* 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] = 0xd1;
pchMessageStart[1] = 0xe1;
pchMessageStart[2] = 0xd1;
pchMessageStart[3] = 0xe1;
nDefaultPort = 13333;
nPruneAfterHeight = 100000;
m_assumed_blockchain_size = 496;
m_assumed_chain_state_size = 6;
genesis = CreateGenesisBlock(1677414786, 1196422, 0x1e0ffff0, 1, 88 * COIN);
/*
consensus.hashGenesisBlock = uint256S("0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
if (true && (genesis.GetHash() != consensus.hashGenesisBlock)) {
std::cout << std::string("Begin calculating Mainnet Genesis Block:\n");
arith_uint256 hashTarget = arith_uint256().SetCompact(genesis.nBits);
uint256 hash;
genesis.nNonce = 0;
while (UintToArith256(genesis.GetHash()) > hashTarget) {
++genesis.nNonce;
if (genesis.nNonce == 0) {
std::cout << std::string("NONCE WRAPPED, incrementing time:\n");
++genesis.nTime;
}
if (genesis.nNonce % 1000 == 0) {
std::cout << strNetworkID << " nonce: " << genesis.nNonce << " time: " << genesis.nTime << " hash: " << genesis.GetHash().ToString().c_str() << "\n";
}
}
printf(" Mainnet ---\n");
std::cout << std::string(" main_nonce: ") << ("%" PRIu32, genesis.nNonce) << std::endl;
std::cout << std::string(" main_time: ") << ("%" PRIu32, genesis.nTime) << std::endl;
std::cout << std::string(" main_hash: ") << ("%" PRIu32, genesis.GetHash().ToString().c_str()) << std::endl;
std::cout << std::string(" main_merklehash: ") << ("%" PRIu32, genesis.hashMerkleRoot.ToString().c_str()) << std::endl;
printf("min Main nBit: %08x\n", consensus.powLimit);
std::cout << std::string("Finished calculating Mainnet Genesis Block for SED replacement of current assertion and values:") << std::endl;
}
*/
/*
Mainnet ---
main_nonce: 1196422
main_time: 1677414786
main_hash: 00000caff19214512f927af2b7cead4b33a54c096e432a275628cb4cf8d4b73c
main_merklehash: b7421cb345a400ccd9e924c4c5afad4114be25f7a928956f52df5524bb1ca181
min Main nBit: 1b172947
*/
consensus.hashGenesisBlock = genesis.GetHash();
assert(consensus.hashGenesisBlock == uint256S("0x00000caff19214512f927af2b7cead4b33a54c096e432a275628cb4cf8d4b73c"));
assert(genesis.hashMerkleRoot == uint256S("0xb7421cb345a400ccd9e924c4c5afad4114be25f7a928956f52df5524bb1ca181"));
// 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.
base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,25);
base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,22);
base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,158);
base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x88, 0xB2, 0x1E};
base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x88, 0xAD, 0xE4};
bech32_hrp = "bit";
vFixedSeeds = std::vector<uint8_t>(std::begin(chainparams_seed_main), std::end(chainparams_seed_main));
fDefaultConsistencyChecks = false;
fRequireStandard = true;
m_is_test_chain = false;
m_is_mockable_chain = false;
checkpointData = {
{
// { 11614, uint256S("0x00000000000000026851db0a5df86ec01d797889678612d7cb48bddc3e79f115")},
// { 34700, uint256S("0x0000000000000077e0bdbcfd186e5ecd6c389b2d8d41eca88f604f5e1133e73d")},
{ 92345, uint256S("0x000000000000002d05e938bb1360c7dea3f15628eacb260fd5657d839c4e58c6")},/*
{ 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")},
*/
}
};
m_assumeutxo_data = MapAssumeutxo{
// TODO to be specified in a future patch.
};
chainTxData = ChainTxData{
// Data from rpc: getchaintxstats
/* nTime */ 1684633076,
/* nTxCount */ 43308,
/* dTxRate */ 0.005
};
// void UpdateDevnetSubsidyAndDiffParameters(int nMinimumDifficultyBlocks, int nHighSubsidyBlocks, int nHighSubsidyFactor)
// {
// consensus.nMinimumDifficultyBlocks = nMinimumDifficultyBlocks;
// consensus.nHighSubsidyBlocks = nHighSubsidyBlocks;
// consensus.nHighSubsidyFactor = nHighSubsidyFactor;
// }
}
};
/**
* Testnet (v3): public test network which is reset from time to time.
*/
class CTestNetParams : public CChainParams {
public:
CTestNetParams() {
strNetworkID = CBaseChainParams::TESTNET;
consensus.signet_blocks = false;
consensus.signet_challenge.clear();
consensus.nSubsidyHalvingInterval = 210000;
consensus.script_flag_exceptions.emplace( // BIP16 exception
uint256S("0x00000000dd30457c001f4095d208cc1296b0eed002427aa599874af7a432b105"), SCRIPT_VERIFY_NONE);
consensus.BIP34Height = 21111;
consensus.BIP34Hash = uint256S("0x0000000023b3a96d3484e5abb3755c413e7d41500f8e2a5c3f0dd01299cd8ef8");
consensus.BIP65Height = 581885; // 00000000007f6655f22f98e72ed80d8b06dc761d5da09df0fa1dc4be4f861eb6
consensus.BIP66Height = 330776; // 000000002104c8c45e99a8853285a3b592602a3ccde2b832481da85e9e4ba182
consensus.CSVHeight = 770112; // 00000000025e930139bac5c6c31a403776da130831ab85be56578f3fa75369bb
consensus.SegwitHeight = 20;
consensus.switchAlgoHeight = 20;
consensus.MinBIP9WarningHeight = 836640; // segwit activation height + miner confirmation window
consensus.powLimit = uint256S("0000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"); // sha256d
consensus.powLimit2 = uint256S("0000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"); // aurum
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 = Consensus::BIP9Deployment::NEVER_ACTIVE;
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
consensus.nMinimumChainWork = uint256S("0x0000000000000000000000000000000000000000000000000000000000000000");
consensus.defaultAssumeValid = uint256S("0x0000000000000000000000000000000000000000000000000000000000000000");
pchMessageStart[0] = 0x0b;
pchMessageStart[1] = 0x11;
pchMessageStart[2] = 0x09;
pchMessageStart[3] = 0x07;
nDefaultPort = 18333;
nPruneAfterHeight = 1000;
m_assumed_blockchain_size = 42;
m_assumed_chain_state_size = 2;
genesis = CreateGenesisBlock(1703637179, 141719, 0x1f00ffff, 1, 50 * COIN);
consensus.hashGenesisBlock = genesis.GetHash();
assert(consensus.hashGenesisBlock == uint256S("0x00001049a8f7bf91ae5f771c4a32fce66edc61fbdfb6ecd07a191a502604a874"));
vFixedSeeds.clear();
vSeeds.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";
//vFixedSeeds = std::vector<uint8_t>(std::begin(chainparams_seed_test), std::end(chainparams_seed_test));
fDefaultConsistencyChecks = false;
fRequireStandard = false;
m_is_test_chain = true;
m_is_mockable_chain = false;
checkpointData = {
{
{546, uint256S("000000002a936ca763904c3c35fce2f3556c559c0214345d31b1bcebf76acb70")},
}
};
m_assumeutxo_data = MapAssumeutxo{
// TODO to be specified in a future patch.
};
chainTxData = ChainTxData{
// Data from RPC: getchaintxstats 4096 0000000000000004877fa2d36316398528de4f347df2f8a96f76613a298ce060
.nTime = 1661705221,
.nTxCount = 63531852,
.dTxRate = 0.1079119341520164,
};
}
};
/**
* Signet: test network with an additional consensus parameter (see BIP325).
*/
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("seed.signet.bitcoin.sprovoost.nl.");
// Hardcoded nodes can be removed once there are more DNS seeds
vSeeds.emplace_back("178.128.221.177");
vSeeds.emplace_back("v7ajjeirttkbnt32wpy3c6w3emwnfr3fkla7hpxcfokr3ysd3kqtzmqd.onion:38333");
consensus.nMinimumChainWork = uint256S("0x000000000000000000000000000000000000000000000000000001291fc22898");
consensus.defaultAssumeValid = uint256S("0x000000d1a0e224fa4679d2fb2187ba55431c284fa1b74cbc8cfda866fd4d2c09"); // 105495
m_assumed_blockchain_size = 1;
m_assumed_chain_state_size = 0;
chainTxData = ChainTxData{
// Data from RPC: getchaintxstats 4096 000000d1a0e224fa4679d2fb2187ba55431c284fa1b74cbc8cfda866fd4d2c09
.nTime = 1661702566,
.nTxCount = 1903567,
.dTxRate = 0.02336701143027275,
};
} 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]);
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.BIP34Height = 1;
consensus.BIP34Hash = uint256{};
consensus.BIP65Height = 1;
consensus.BIP66Height = 1;
consensus.CSVHeight = 1;
consensus.SegwitHeight = 1;
consensus.switchAlgoHeight = std::numeric_limits<int>::max();
consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
consensus.nPowTargetSpacing = 10 * 60;
consensus.fPowAllowMinDifficultyBlocks = false;
consensus.fPowNoRetargeting = false;
consensus.nRuleChangeActivationThreshold = 1815; // 90% of 2016
consensus.nMinerConfirmationWindow = 2016; // nPowTargetTimespan / nPowTargetSpacing
consensus.MinBIP9WarningHeight = 0;
consensus.powLimit = uint256S("00000377ae000000000000000000000000000000000000000000000000000000"); // sha256d
consensus.powLimit2 = uint256S("0000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"); // aurum
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
// message start is defined as the first 4 bytes of the sha256d of the block script
HashWriter h{};
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: intended for private networks only. Has minimal difficulty to ensure that
* blocks can be found instantly.
*/
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.BIP34Height = 1; // Always active unless overridden
consensus.BIP34Hash = uint256();
consensus.BIP65Height = 1; // Always active unless overridden
consensus.BIP66Height = 1; // Always active unless overridden
consensus.CSVHeight = 1; // Always active unless overridden
consensus.SegwitHeight = 0; // Always active unless overridden
consensus.switchAlgoHeight = std::numeric_limits<int>::max();
consensus.MinBIP9WarningHeight = 0;
consensus.powLimit = uint256S("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"); // sha256d
consensus.powLimit2 = uint256S("0000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"); // aurum
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_TESTDUMMY].min_activation_height = 0; // No activation delay
consensus.nMinimumChainWork = uint256{};
consensus.defaultAssumeValid = uint256{};
pchMessageStart[0] = 0xfa;
pchMessageStart[1] = 0xbf;
pchMessageStart[2] = 0xb5;
pchMessageStart[3] = 0xda;
nDefaultPort = 18444;
nPruneAfterHeight = args.GetBoolArg("-fastprune", false) ? 100 : 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();
vSeeds.emplace_back("dummySeed.invalid.");
fDefaultConsistencyChecks = true;
fRequireStandard = true;
m_is_test_chain = true;
m_is_mockable_chain = true;
checkpointData = {
{
{0, uint256S("0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206")},
}
};
m_assumeutxo_data = MapAssumeutxo{
{
110,
{AssumeutxoHash{uint256S("0x1ebbf5850204c0bdb15bf030f47c7fe91d45c44c712697e4509ba67adb01c618")}, 110},
},
{
200,
{AssumeutxoHash{uint256S("0x51c8d11d8b5c1de51543c579736e786aa2736206d1e11e627568029ce092cf62")}, 200},
},
};
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, int min_activation_height)
{
consensus.vDeployments[d].nStartTime = nStartTime;
consensus.vDeployments[d].nTimeout = nTimeout;
consensus.vDeployments[d].min_activation_height = min_activation_height;
}
void UpdateActivationParametersFromArgs(const ArgsManager& args);
};
static void MaybeUpdateHeights(const ArgsManager& args, Consensus::Params& consensus)
{
for (const std::string& arg : args.GetArgs("-testactivationheight")) {
const auto found{arg.find('@')};
if (found == std::string::npos) {
throw std::runtime_error(strprintf("Invalid format (%s) for -testactivationheight=name@height.", arg));
}
const auto name{arg.substr(0, found)};
const auto value{arg.substr(found + 1)};
int32_t height;
if (!ParseInt32(value, &height) || height < 0 || height >= std::numeric_limits<int>::max()) {
throw std::runtime_error(strprintf("Invalid height value (%s) for -testactivationheight=name@height.", arg));
}
if (name == "segwit") {
consensus.SegwitHeight = int{height};
} else if (name == "bip34") {
consensus.BIP34Height = int{height};
} else if (name == "dersig") {
consensus.BIP66Height = int{height};
} else if (name == "cltv") {
consensus.BIP65Height = int{height};
} else if (name == "csv") {
consensus.CSVHeight = int{height};
} else {
throw std::runtime_error(strprintf("Invalid name (%s) for -testactivationheight=name@height.", arg));
}
}
}
void CRegTestParams::UpdateActivationParametersFromArgs(const ArgsManager& args)
{
MaybeUpdateHeights(args, consensus);
if (!args.IsArgSet("-vbparams")) return;
for (const std::string& strDeployment : args.GetArgs("-vbparams")) {
std::vector<std::string> vDeploymentParams = SplitString(strDeployment, ':');
if (vDeploymentParams.size() < 3 || 4 < vDeploymentParams.size()) {
throw std::runtime_error("Version bits parameters malformed, expecting deployment:start:end[:min_activation_height]");
}
int64_t nStartTime, nTimeout;
int min_activation_height = 0;
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]));
}
if (vDeploymentParams.size() >= 4 && !ParseInt32(vDeploymentParams[3], &min_activation_height)) {
throw std::runtime_error(strprintf("Invalid min_activation_height (%s)", vDeploymentParams[3]));
}
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, min_activation_height);
found = true;
LogPrintf("Setting version bits activation parameters for %s to start=%ld, timeout=%ld, min_activation_height=%d\n", vDeploymentParams[0], nStartTime, nTimeout, min_activation_height);
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);
}