Branch data Line data Source code
1 : : // Copyright (c) 2010 Satoshi Nakamoto
2 : : // Copyright (c) 2009-present The Bitcoin Core developers
3 : : // Distributed under the MIT software license, see the accompanying
4 : : // file COPYING or http://www.opensource.org/licenses/mit-license.php.
5 : :
6 : : #include <kernel/chainparams.h>
7 : :
8 : : #include <chainparamsseeds.h>
9 : : #include <consensus/amount.h>
10 : : #include <consensus/merkle.h>
11 : : #include <consensus/params.h>
12 : : #include <hash.h>
13 : : #include <kernel/messagestartchars.h>
14 : : #include <logging.h>
15 : : #include <primitives/block.h>
16 : : #include <primitives/transaction.h>
17 : : #include <script/interpreter.h>
18 : : #include <script/script.h>
19 : : #include <uint256.h>
20 : : #include <util/chaintype.h>
21 : : #include <util/strencodings.h>
22 : :
23 : : #include <algorithm>
24 : : #include <cassert>
25 : : #include <cstdint>
26 : : #include <cstring>
27 : : #include <type_traits>
28 : :
29 : : using namespace util::hex_literals;
30 : :
31 : : // Workaround MSVC bug triggering C7595 when calling consteval constructors in
32 : : // initializer lists.
33 : : // https://developercommunity.visualstudio.com/t/Bogus-C7595-error-on-valid-C20-code/10906093
34 : : #if defined(_MSC_VER)
35 : : auto consteval_ctor(auto&& input) { return input; }
36 : : #else
37 : : #define consteval_ctor(input) (input)
38 : : #endif
39 : :
40 : 10831 : static CBlock CreateGenesisBlock(const char* pszTimestamp, const CScript& genesisOutputScript, uint32_t nTime, uint32_t nNonce, uint32_t nBits, int32_t nVersion, const CAmount& genesisReward)
41 : : {
42 : 10831 : CMutableTransaction txNew;
43 : 10831 : txNew.version = 1;
44 [ + - ]: 10831 : txNew.vin.resize(1);
45 [ + - ]: 10831 : txNew.vout.resize(1);
46 [ + - + - : 10831 : txNew.vin[0].scriptSig = CScript() << 486604799 << CScriptNum(4) << std::vector<unsigned char>((const unsigned char*)pszTimestamp, (const unsigned char*)pszTimestamp + strlen(pszTimestamp));
+ - ]
47 : 10831 : txNew.vout[0].nValue = genesisReward;
48 : 10831 : txNew.vout[0].scriptPubKey = genesisOutputScript;
49 : :
50 : 10831 : CBlock genesis;
51 : 10831 : genesis.nTime = nTime;
52 : 10831 : genesis.nBits = nBits;
53 : 10831 : genesis.nNonce = nNonce;
54 : 10831 : genesis.nVersion = nVersion;
55 [ + - + - : 21662 : genesis.vtx.push_back(MakeTransactionRef(std::move(txNew)));
- + ]
56 : 10831 : genesis.hashPrevBlock.SetNull();
57 [ + - ]: 10831 : genesis.hashMerkleRoot = BlockMerkleRoot(genesis);
58 : 10831 : return genesis;
59 : 10831 : }
60 : :
61 : : /**
62 : : * Build the genesis block. Note that the output of its generation
63 : : * transaction cannot be spent since it did not originally exist in the
64 : : * database.
65 : : *
66 : : * CBlock(hash=000000000019d6, ver=1, hashPrevBlock=00000000000000, hashMerkleRoot=4a5e1e, nTime=1231006505, nBits=1d00ffff, nNonce=2083236893, vtx=1)
67 : : * CTransaction(hash=4a5e1e, ver=1, vin.size=1, vout.size=1, nLockTime=0)
68 : : * CTxIn(COutPoint(000000, -1), coinbase 04ffff001d0104455468652054696d65732030332f4a616e2f32303039204368616e63656c6c6f72206f6e206272696e6b206f66207365636f6e64206261696c6f757420666f722062616e6b73)
69 : : * CTxOut(nValue=50.00000000, scriptPubKey=0x5F1DF16B2B704C8A578D0B)
70 : : * vMerkleTree: 4a5e1e
71 : : */
72 : 9076 : static CBlock CreateGenesisBlock(uint32_t nTime, uint32_t nNonce, uint32_t nBits, int32_t nVersion, const CAmount& genesisReward)
73 : : {
74 : 9076 : const char* pszTimestamp = "The Times 03/Jan/2009 Chancellor on brink of second bailout for banks";
75 [ + - ]: 9076 : const CScript genesisOutputScript = CScript() << "04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f"_hex << OP_CHECKSIG;
76 [ + - ]: 9076 : return CreateGenesisBlock(pszTimestamp, genesisOutputScript, nTime, nNonce, nBits, nVersion, genesisReward);
77 : 9076 : }
78 : :
79 : : /**
80 : : * Main network on which people trade goods and services.
81 : : */
82 : 0 : class CMainParams : public CChainParams {
83 : : public:
84 : 2468 : CMainParams() {
85 : 2468 : m_chain_type = ChainType::MAIN;
86 : 2468 : consensus.signet_blocks = false;
87 [ - + ]: 2468 : consensus.signet_challenge.clear();
88 : 2468 : consensus.nSubsidyHalvingInterval = 210000;
89 : 2468 : consensus.script_flag_exceptions.emplace( // BIP16 exception
90 [ + - ]: 2468 : uint256{"00000000000002dc756eebf4f49723ed8d30cc28a5f108eb94b1ba88ac4f9c22"}, SCRIPT_VERIFY_NONE);
91 : 2468 : consensus.script_flag_exceptions.emplace( // Taproot exception
92 [ + - ]: 2468 : uint256{"0000000000000000000f14c35b2d841e986ab5441de8c585d5ffe55ea1e395ad"}, SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_WITNESS);
93 : 2468 : consensus.BIP34Height = 227931;
94 : 2468 : consensus.BIP34Hash = uint256{"000000000000024b89b42a942fe0d9fea3bb44ab7bd1b19115dd6a759c0808b8"};
95 : 2468 : consensus.BIP65Height = 388381; // 000000000000000004c2b624ed5d7756c508d90fd0da2c7c679febfa6c4735f0
96 : 2468 : consensus.BIP66Height = 363725; // 00000000000000000379eaa19dce8c9b722d46ae6a57c2f1a988119488b50931
97 : 2468 : consensus.CSVHeight = 419328; // 000000000000000004a1b34462cb8aeebd5799177f7a29cf28f2d1961716b5b5
98 : 2468 : consensus.SegwitHeight = 481824; // 0000000000000000001c8018d9cb3b742ef25114f27563e3fc4a1902167f9893
99 : 2468 : consensus.MinBIP9WarningHeight = 483840; // segwit activation height + miner confirmation window
100 : 2468 : consensus.powLimit = uint256{"00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff"};
101 : 2468 : consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
102 : 2468 : consensus.nPowTargetSpacing = 10 * 60;
103 : 2468 : consensus.fPowAllowMinDifficultyBlocks = false;
104 : 2468 : consensus.enforce_BIP94 = false;
105 : 2468 : consensus.fPowNoRetargeting = false;
106 [ + - ]: 2468 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
107 : 2468 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
108 : 2468 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
109 : 2468 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
110 : 2468 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].threshold = 1815; // 90%
111 : 2468 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].period = 2016;
112 : :
113 : : // Deployment of Taproot (BIPs 340-342)
114 : 2468 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].bit = 2;
115 : 2468 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nStartTime = 1619222400; // April 24th, 2021
116 : 2468 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nTimeout = 1628640000; // August 11th, 2021
117 : 2468 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].min_activation_height = 709632; // Approximately November 12th, 2021
118 : 2468 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].threshold = 1815; // 90%
119 : 2468 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].period = 2016;
120 : :
121 : 2468 : consensus.nMinimumChainWork = uint256{"0000000000000000000000000000000000000000b1f3b93b65b16d035a82be84"};
122 : 2468 : consensus.defaultAssumeValid = uint256{"00000000000000000001b658dd1120e82e66d2790811f89ede9742ada3ed6d77"}; // 886157
123 : :
124 : : /**
125 : : * The message start string is designed to be unlikely to occur in normal data.
126 : : * The characters are rarely used upper ASCII, not valid as UTF-8, and produce
127 : : * a large 32-bit integer with any alignment.
128 : : */
129 : 2468 : pchMessageStart[0] = 0xf9;
130 : 2468 : pchMessageStart[1] = 0xbe;
131 : 2468 : pchMessageStart[2] = 0xb4;
132 : 2468 : pchMessageStart[3] = 0xd9;
133 : 2468 : nDefaultPort = 8333;
134 : 2468 : nPruneAfterHeight = 100000;
135 : 2468 : m_assumed_blockchain_size = 720;
136 : 2468 : m_assumed_chain_state_size = 14;
137 : :
138 [ + - ]: 2468 : genesis = CreateGenesisBlock(1231006505, 2083236893, 0x1d00ffff, 1, 50 * COIN);
139 [ + - ]: 2468 : consensus.hashGenesisBlock = genesis.GetHash();
140 [ - + ]: 2468 : assert(consensus.hashGenesisBlock == uint256{"000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f"});
141 [ - + ]: 2468 : assert(genesis.hashMerkleRoot == uint256{"4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"});
142 : :
143 : : // Note that of those which support the service bits prefix, most only support a subset of
144 : : // possible options.
145 : : // This is fine at runtime as we'll fall back to using them as an addrfetch if they don't support the
146 : : // service bits we want, but we should get them updated to support all service bits wanted by any
147 : : // release ASAP to avoid it where possible.
148 [ + - ]: 2468 : vSeeds.emplace_back("seed.bitcoin.sipa.be."); // Pieter Wuille, only supports x1, x5, x9, and xd
149 [ + - ]: 2468 : vSeeds.emplace_back("dnsseed.bluematt.me."); // Matt Corallo, only supports x9
150 [ + - ]: 2468 : vSeeds.emplace_back("dnsseed.bitcoin.dashjr-list-of-p2p-nodes.us."); // Luke Dashjr
151 [ + - ]: 2468 : vSeeds.emplace_back("seed.bitcoin.jonasschnelli.ch."); // Jonas Schnelli, only supports x1, x5, x9, and xd
152 [ + - ]: 2468 : vSeeds.emplace_back("seed.btc.petertodd.net."); // Peter Todd, only supports x1, x5, x9, and xd
153 [ + - ]: 2468 : vSeeds.emplace_back("seed.bitcoin.sprovoost.nl."); // Sjors Provoost
154 [ + - ]: 2468 : vSeeds.emplace_back("dnsseed.emzy.de."); // Stephan Oeste
155 [ + - ]: 2468 : vSeeds.emplace_back("seed.bitcoin.wiz.biz."); // Jason Maurice
156 [ + - ]: 2468 : vSeeds.emplace_back("seed.mainnet.achownodes.xyz."); // Ava Chow, only supports x1, x5, x9, x49, x809, x849, xd, x400, x404, x408, x448, xc08, xc48, x40c
157 : :
158 [ + - + - ]: 2468 : base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,0);
159 [ + - + - ]: 2468 : base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,5);
160 [ + - + - ]: 2468 : base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,128);
161 [ + - ]: 2468 : base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x88, 0xB2, 0x1E};
162 [ + - ]: 2468 : base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x88, 0xAD, 0xE4};
163 : :
164 [ + - ]: 2468 : bech32_hrp = "bc";
165 : :
166 [ + - + - ]: 2468 : vFixedSeeds = std::vector<uint8_t>(std::begin(chainparams_seed_main), std::end(chainparams_seed_main));
167 : :
168 : 2468 : fDefaultConsistencyChecks = false;
169 : 2468 : m_is_mockable_chain = false;
170 : :
171 : 2468 : m_assumeutxo_data = {
172 : : {
173 : : .height = 840'000,
174 [ + - ]: 2468 : .hash_serialized = AssumeutxoHash{uint256{"a2a5521b1b5ab65f67818e5e8eccabb7171a517f9e2382208f77687310768f96"}},
175 : : .m_chain_tx_count = 991032194,
176 : : .blockhash = consteval_ctor(uint256{"0000000000000000000320283a032748cef8227873ff4872689bf23f1cda83a5"}),
177 : : },
178 : : {
179 : : .height = 880'000,
180 : 2468 : .hash_serialized = AssumeutxoHash{uint256{"dbd190983eaf433ef7c15f78a278ae42c00ef52e0fd2a54953782175fbadcea9"}},
181 : : .m_chain_tx_count = 1145604538,
182 : : .blockhash = consteval_ctor(uint256{"000000000000000000010b17283c3c400507969a9c2afd1dcf2082ec5cca2880"}),
183 : : }
184 [ + - ]: 2468 : };
185 : :
186 : 2468 : chainTxData = ChainTxData{
187 : : // Data from RPC: getchaintxstats 4096 00000000000000000001b658dd1120e82e66d2790811f89ede9742ada3ed6d77
188 : : .nTime = 1741017141,
189 : : .tx_count = 1161875261,
190 : : .dTxRate = 4.620728156243148,
191 : : };
192 : 2468 : }
193 : : };
194 : :
195 : : /**
196 : : * Testnet (v3): public test network which is reset from time to time.
197 : : */
198 : 0 : class CTestNetParams : public CChainParams {
199 : : public:
200 : 1788 : CTestNetParams() {
201 : 1788 : m_chain_type = ChainType::TESTNET;
202 : 1788 : consensus.signet_blocks = false;
203 [ - + ]: 1788 : consensus.signet_challenge.clear();
204 : 1788 : consensus.nSubsidyHalvingInterval = 210000;
205 : 1788 : consensus.script_flag_exceptions.emplace( // BIP16 exception
206 [ + - ]: 1788 : uint256{"00000000dd30457c001f4095d208cc1296b0eed002427aa599874af7a432b105"}, SCRIPT_VERIFY_NONE);
207 : 1788 : consensus.BIP34Height = 21111;
208 : 1788 : consensus.BIP34Hash = uint256{"0000000023b3a96d3484e5abb3755c413e7d41500f8e2a5c3f0dd01299cd8ef8"};
209 : 1788 : consensus.BIP65Height = 581885; // 00000000007f6655f22f98e72ed80d8b06dc761d5da09df0fa1dc4be4f861eb6
210 : 1788 : consensus.BIP66Height = 330776; // 000000002104c8c45e99a8853285a3b592602a3ccde2b832481da85e9e4ba182
211 : 1788 : consensus.CSVHeight = 770112; // 00000000025e930139bac5c6c31a403776da130831ab85be56578f3fa75369bb
212 : 1788 : consensus.SegwitHeight = 834624; // 00000000002b980fcd729daaa248fd9316a5200e9b367f4ff2c42453e84201ca
213 : 1788 : consensus.MinBIP9WarningHeight = 836640; // segwit activation height + miner confirmation window
214 : 1788 : consensus.powLimit = uint256{"00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff"};
215 : 1788 : consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
216 : 1788 : consensus.nPowTargetSpacing = 10 * 60;
217 : 1788 : consensus.fPowAllowMinDifficultyBlocks = true;
218 : 1788 : consensus.enforce_BIP94 = false;
219 : 1788 : consensus.fPowNoRetargeting = false;
220 [ + - ]: 1788 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
221 : 1788 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
222 : 1788 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
223 : 1788 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
224 : 1788 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].threshold = 1512; // 75%
225 : 1788 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].period = 2016;
226 : :
227 : : // Deployment of Taproot (BIPs 340-342)
228 : 1788 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].bit = 2;
229 : 1788 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nStartTime = 1619222400; // April 24th, 2021
230 : 1788 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nTimeout = 1628640000; // August 11th, 2021
231 : 1788 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].min_activation_height = 0; // No activation delay
232 : 1788 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].threshold = 1512; // 75%
233 : 1788 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].period = 2016;
234 : :
235 : 1788 : consensus.nMinimumChainWork = uint256{"0000000000000000000000000000000000000000000015f5e0c9f13455b0eb17"};
236 : 1788 : consensus.defaultAssumeValid = uint256{"00000000000003fc7967410ba2d0a8a8d50daedc318d43e8baf1a9782c236a57"}; // 3974606
237 : :
238 : 1788 : pchMessageStart[0] = 0x0b;
239 : 1788 : pchMessageStart[1] = 0x11;
240 : 1788 : pchMessageStart[2] = 0x09;
241 : 1788 : pchMessageStart[3] = 0x07;
242 : 1788 : nDefaultPort = 18333;
243 : 1788 : nPruneAfterHeight = 1000;
244 : 1788 : m_assumed_blockchain_size = 200;
245 : 1788 : m_assumed_chain_state_size = 19;
246 : :
247 [ + - ]: 1788 : genesis = CreateGenesisBlock(1296688602, 414098458, 0x1d00ffff, 1, 50 * COIN);
248 [ + - ]: 1788 : consensus.hashGenesisBlock = genesis.GetHash();
249 [ - + ]: 1788 : assert(consensus.hashGenesisBlock == uint256{"000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943"});
250 [ - + ]: 1788 : assert(genesis.hashMerkleRoot == uint256{"4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"});
251 : :
252 [ - + ]: 1788 : vFixedSeeds.clear();
253 : 1788 : vSeeds.clear();
254 : : // nodes with support for servicebits filtering should be at the top
255 [ + - ]: 1788 : vSeeds.emplace_back("testnet-seed.bitcoin.jonasschnelli.ch.");
256 [ + - ]: 1788 : vSeeds.emplace_back("seed.tbtc.petertodd.net.");
257 [ + - ]: 1788 : vSeeds.emplace_back("seed.testnet.bitcoin.sprovoost.nl.");
258 [ + - ]: 1788 : vSeeds.emplace_back("testnet-seed.bluematt.me."); // Just a static list of stable node(s), only supports x9
259 [ + - ]: 1788 : vSeeds.emplace_back("seed.testnet.achownodes.xyz."); // Ava Chow, only supports x1, x5, x9, x49, x809, x849, xd, x400, x404, x408, x448, xc08, xc48, x40c
260 : :
261 [ + - + - ]: 1788 : base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
262 [ + - + - ]: 1788 : base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
263 [ + - + - ]: 1788 : base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,239);
264 [ + - ]: 1788 : base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
265 [ + - ]: 1788 : base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
266 : :
267 [ + - ]: 1788 : bech32_hrp = "tb";
268 : :
269 [ + - + - ]: 1788 : vFixedSeeds = std::vector<uint8_t>(std::begin(chainparams_seed_test), std::end(chainparams_seed_test));
270 : :
271 : 1788 : fDefaultConsistencyChecks = false;
272 : 1788 : m_is_mockable_chain = false;
273 : :
274 : 1788 : m_assumeutxo_data = {
275 : : {
276 : : .height = 2'500'000,
277 [ + - ]: 1788 : .hash_serialized = AssumeutxoHash{uint256{"f841584909f68e47897952345234e37fcd9128cd818f41ee6c3ca68db8071be7"}},
278 : : .m_chain_tx_count = 66484552,
279 : : .blockhash = consteval_ctor(uint256{"0000000000000093bcb68c03a9a168ae252572d348a2eaeba2cdf9231d73206f"}),
280 : : }
281 [ + - ]: 1788 : };
282 : :
283 : 1788 : chainTxData = ChainTxData{
284 : : // Data from RPC: getchaintxstats 4096 00000000000003fc7967410ba2d0a8a8d50daedc318d43e8baf1a9782c236a57
285 : : .nTime = 1741042082,
286 : : .tx_count = 475477615,
287 : : .dTxRate = 17.15933950357594,
288 : : };
289 : 1788 : }
290 : : };
291 : :
292 : : /**
293 : : * Testnet (v4): public test network which is reset from time to time.
294 : : */
295 : 0 : class CTestNet4Params : public CChainParams {
296 : : public:
297 : 1755 : CTestNet4Params() {
298 : 1755 : m_chain_type = ChainType::TESTNET4;
299 : 1755 : consensus.signet_blocks = false;
300 [ - + ]: 1755 : consensus.signet_challenge.clear();
301 : 1755 : consensus.nSubsidyHalvingInterval = 210000;
302 : 1755 : consensus.BIP34Height = 1;
303 : 1755 : consensus.BIP34Hash = uint256{};
304 : 1755 : consensus.BIP65Height = 1;
305 : 1755 : consensus.BIP66Height = 1;
306 : 1755 : consensus.CSVHeight = 1;
307 : 1755 : consensus.SegwitHeight = 1;
308 : 1755 : consensus.MinBIP9WarningHeight = 0;
309 : 1755 : consensus.powLimit = uint256{"00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff"};
310 : 1755 : consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
311 : 1755 : consensus.nPowTargetSpacing = 10 * 60;
312 : 1755 : consensus.fPowAllowMinDifficultyBlocks = true;
313 : 1755 : consensus.enforce_BIP94 = true;
314 : 1755 : consensus.fPowNoRetargeting = false;
315 : :
316 : 1755 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
317 : 1755 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
318 : 1755 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
319 : 1755 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
320 : 1755 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].threshold = 1512; // 75%
321 : 1755 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].period = 2016;
322 : :
323 : : // Deployment of Taproot (BIPs 340-342)
324 : 1755 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].bit = 2;
325 : 1755 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nStartTime = Consensus::BIP9Deployment::ALWAYS_ACTIVE;
326 : 1755 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
327 : 1755 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].min_activation_height = 0; // No activation delay
328 : 1755 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].threshold = 1512; // 75%
329 : 1755 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].period = 2016;
330 : :
331 : 1755 : consensus.nMinimumChainWork = uint256{"0000000000000000000000000000000000000000000001d6dce8651b6094e4c1"};
332 : 1755 : consensus.defaultAssumeValid = uint256{"0000000000003ed4f08dbdf6f7d6b271a6bcffce25675cb40aa9fa43179a89f3"}; // 72600
333 : :
334 : 1755 : pchMessageStart[0] = 0x1c;
335 : 1755 : pchMessageStart[1] = 0x16;
336 : 1755 : pchMessageStart[2] = 0x3f;
337 : 1755 : pchMessageStart[3] = 0x28;
338 : 1755 : nDefaultPort = 48333;
339 : 1755 : nPruneAfterHeight = 1000;
340 : 1755 : m_assumed_blockchain_size = 11;
341 : 1755 : m_assumed_chain_state_size = 1;
342 : :
343 : 1755 : const char* testnet4_genesis_msg = "03/May/2024 000000000000000000001ebd58c244970b3aa9d783bb001011fbe8ea8e98e00e";
344 [ + - ]: 1755 : const CScript testnet4_genesis_script = CScript() << "000000000000000000000000000000000000000000000000000000000000000000"_hex << OP_CHECKSIG;
345 : 3510 : genesis = CreateGenesisBlock(testnet4_genesis_msg,
346 : : testnet4_genesis_script,
347 : : 1714777860,
348 : : 393743547,
349 : : 0x1d00ffff,
350 : : 1,
351 [ + - ]: 1755 : 50 * COIN);
352 [ + - ]: 1755 : consensus.hashGenesisBlock = genesis.GetHash();
353 [ - + ]: 1755 : assert(consensus.hashGenesisBlock == uint256{"00000000da84f2bafbbc53dee25a72ae507ff4914b867c565be350b0da8bf043"});
354 [ - + ]: 1755 : assert(genesis.hashMerkleRoot == uint256{"7aa0a7ae1e223414cb807e40cd57e667b718e42aaf9306db9102fe28912b7b4e"});
355 : :
356 [ - + ]: 1755 : vFixedSeeds.clear();
357 : 1755 : vSeeds.clear();
358 : : // nodes with support for servicebits filtering should be at the top
359 [ + - ]: 1755 : vSeeds.emplace_back("seed.testnet4.bitcoin.sprovoost.nl."); // Sjors Provoost
360 [ + - ]: 1755 : vSeeds.emplace_back("seed.testnet4.wiz.biz."); // Jason Maurice
361 : :
362 [ + - + - ]: 1755 : base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
363 [ + - + - ]: 1755 : base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
364 [ + - + - ]: 1755 : base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,239);
365 [ + - ]: 1755 : base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
366 [ + - ]: 1755 : base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
367 : :
368 [ + - ]: 1755 : bech32_hrp = "tb";
369 : :
370 [ + - + - ]: 1755 : vFixedSeeds = std::vector<uint8_t>(std::begin(chainparams_seed_testnet4), std::end(chainparams_seed_testnet4));
371 : :
372 : 1755 : fDefaultConsistencyChecks = false;
373 : 1755 : m_is_mockable_chain = false;
374 : :
375 : 1755 : m_assumeutxo_data = {
376 : : {}
377 [ + - ]: 1755 : };
378 : :
379 : 1755 : chainTxData = ChainTxData{
380 : : // Data from RPC: getchaintxstats 4096 0000000000003ed4f08dbdf6f7d6b271a6bcffce25675cb40aa9fa43179a89f3
381 : : .nTime = 1741070246,
382 : : .tx_count = 7653966,
383 : : .dTxRate = 1.239174414591965,
384 : : };
385 : 1755 : }
386 : : };
387 : :
388 : : /**
389 : : * Signet: test network with an additional consensus parameter (see BIP325).
390 : : */
391 : 0 : class SigNetParams : public CChainParams {
392 : : public:
393 : 1833 : explicit SigNetParams(const SigNetOptions& options)
394 : 1833 : {
395 : 1833 : std::vector<uint8_t> bin;
396 [ - + ]: 1833 : vFixedSeeds.clear();
397 : 1833 : vSeeds.clear();
398 : :
399 [ + + ]: 1833 : if (!options.challenge) {
400 [ + - ]: 3652 : bin = "512103ad5e0edad18cb1f0fc0d28a3d4f1f3e445640337489abb10404f2d1e086be430210359ef5021964fe22d6f8e05b2463c9540ce96883fe3b278760f048f5189f2e6c452ae"_hex_v_u8;
401 [ + - + - ]: 1826 : vFixedSeeds = std::vector<uint8_t>(std::begin(chainparams_seed_signet), std::end(chainparams_seed_signet));
402 [ + - ]: 1826 : vSeeds.emplace_back("seed.signet.bitcoin.sprovoost.nl.");
403 [ + - ]: 1826 : vSeeds.emplace_back("seed.signet.achownodes.xyz."); // Ava Chow, only supports x1, x5, x9, x49, x809, x849, xd, x400, x404, x408, x448, xc08, xc48, x40c
404 : :
405 : 1826 : consensus.nMinimumChainWork = uint256{"000000000000000000000000000000000000000000000000000002b517f3d1a1"};
406 : 1826 : consensus.defaultAssumeValid = uint256{"000000895a110f46e59eb82bbc5bfb67fa314656009c295509c21b4999f5180a"}; // 237722
407 : 1826 : m_assumed_blockchain_size = 9;
408 : 1826 : m_assumed_chain_state_size = 1;
409 : 1826 : chainTxData = ChainTxData{
410 : : // Data from RPC: getchaintxstats 4096 000000895a110f46e59eb82bbc5bfb67fa314656009c295509c21b4999f5180a
411 : : .nTime = 1741019645,
412 : : .tx_count = 16540736,
413 : : .dTxRate = 1.064918879911595,
414 : : };
415 : : } else {
416 [ + - ]: 7 : bin = *options.challenge;
417 [ + - ]: 7 : consensus.nMinimumChainWork = uint256{};
418 : 7 : consensus.defaultAssumeValid = uint256{};
419 : 7 : m_assumed_blockchain_size = 0;
420 : 7 : m_assumed_chain_state_size = 0;
421 : 7 : chainTxData = ChainTxData{
422 : : 0,
423 : : 0,
424 : : 0,
425 : : };
426 [ + - + - ]: 14 : LogPrintf("Signet with challenge %s\n", HexStr(bin));
427 : : }
428 : :
429 [ - + ]: 1833 : if (options.seeds) {
430 [ # # ]: 0 : vSeeds = *options.seeds;
431 : : }
432 : :
433 : 1833 : m_chain_type = ChainType::SIGNET;
434 : 1833 : consensus.signet_blocks = true;
435 [ + - ]: 1833 : consensus.signet_challenge.assign(bin.begin(), bin.end());
436 : 1833 : consensus.nSubsidyHalvingInterval = 210000;
437 : 1833 : consensus.BIP34Height = 1;
438 [ + - ]: 1833 : consensus.BIP34Hash = uint256{};
439 : 1833 : consensus.BIP65Height = 1;
440 : 1833 : consensus.BIP66Height = 1;
441 : 1833 : consensus.CSVHeight = 1;
442 : 1833 : consensus.SegwitHeight = 1;
443 : 1833 : consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
444 : 1833 : consensus.nPowTargetSpacing = 10 * 60;
445 : 1833 : consensus.fPowAllowMinDifficultyBlocks = false;
446 : 1833 : consensus.enforce_BIP94 = false;
447 : 1833 : consensus.fPowNoRetargeting = false;
448 : 1833 : consensus.MinBIP9WarningHeight = 0;
449 : 1833 : consensus.powLimit = uint256{"00000377ae000000000000000000000000000000000000000000000000000000"};
450 [ + - ]: 1833 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
451 : 1833 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
452 : 1833 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
453 : 1833 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
454 : 1833 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].threshold = 1815; // 90%
455 : 1833 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].period = 2016;
456 : :
457 : : // Activation of Taproot (BIPs 340-342)
458 : 1833 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].bit = 2;
459 : 1833 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nStartTime = Consensus::BIP9Deployment::ALWAYS_ACTIVE;
460 : 1833 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
461 : 1833 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].min_activation_height = 0; // No activation delay
462 : 1833 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].threshold = 1815; // 90%
463 : 1833 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].period = 2016;
464 : :
465 : : // message start is defined as the first 4 bytes of the sha256d of the block script
466 [ + - ]: 1833 : HashWriter h{};
467 [ + - ]: 1833 : h << consensus.signet_challenge;
468 [ + - ]: 1833 : uint256 hash = h.GetHash();
469 : 1833 : std::copy_n(hash.begin(), 4, pchMessageStart.begin());
470 : :
471 : 1833 : nDefaultPort = 38333;
472 : 1833 : nPruneAfterHeight = 1000;
473 : :
474 [ + - ]: 1833 : genesis = CreateGenesisBlock(1598918400, 52613770, 0x1e0377ae, 1, 50 * COIN);
475 [ + - ]: 1833 : consensus.hashGenesisBlock = genesis.GetHash();
476 [ - + ]: 1833 : assert(consensus.hashGenesisBlock == uint256{"00000008819873e925422c1ff0f99f7cc9bbb232af63a077a480a3633bee1ef6"});
477 [ - + ]: 1833 : assert(genesis.hashMerkleRoot == uint256{"4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"});
478 : :
479 : 1833 : m_assumeutxo_data = {
480 : : {
481 : : .height = 160'000,
482 [ + - ]: 1833 : .hash_serialized = AssumeutxoHash{uint256{"fe0a44309b74d6b5883d246cb419c6221bcccf0b308c9b59b7d70783dbdf928a"}},
483 : : .m_chain_tx_count = 2289496,
484 : : .blockhash = consteval_ctor(uint256{"0000003ca3c99aff040f2563c2ad8f8ec88bd0fd6b8f0895cfaf1ef90353a62c"}),
485 : : }
486 [ + - ]: 1833 : };
487 : :
488 [ + - + - ]: 1833 : base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
489 [ + - + - ]: 1833 : base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
490 [ + - + - ]: 1833 : base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,239);
491 [ + - ]: 1833 : base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
492 [ + - ]: 1833 : base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
493 : :
494 [ + - ]: 1833 : bech32_hrp = "tb";
495 : :
496 : 1833 : fDefaultConsistencyChecks = false;
497 : 1833 : m_is_mockable_chain = false;
498 : 1833 : }
499 : : };
500 : :
501 : : /**
502 : : * Regression test: intended for private networks only. Has minimal difficulty to ensure that
503 : : * blocks can be found instantly.
504 : : */
505 : 0 : class CRegTestParams : public CChainParams
506 : : {
507 : : public:
508 : 2987 : explicit CRegTestParams(const RegTestOptions& opts)
509 : 2987 : {
510 : 2987 : m_chain_type = ChainType::REGTEST;
511 : 2987 : consensus.signet_blocks = false;
512 [ - + ]: 2987 : consensus.signet_challenge.clear();
513 : 2987 : consensus.nSubsidyHalvingInterval = 150;
514 : 2987 : consensus.BIP34Height = 1; // Always active unless overridden
515 [ + + ]: 2987 : consensus.BIP34Hash = uint256();
516 : 2987 : consensus.BIP65Height = 1; // Always active unless overridden
517 : 2987 : consensus.BIP66Height = 1; // Always active unless overridden
518 : 2987 : consensus.CSVHeight = 1; // Always active unless overridden
519 : 2987 : consensus.SegwitHeight = 0; // Always active unless overridden
520 : 2987 : consensus.MinBIP9WarningHeight = 0;
521 : 2987 : consensus.powLimit = uint256{"7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"};
522 : 2987 : consensus.nPowTargetTimespan = 24 * 60 * 60; // one day
523 : 2987 : consensus.nPowTargetSpacing = 10 * 60;
524 : 2987 : consensus.fPowAllowMinDifficultyBlocks = true;
525 : 2987 : consensus.enforce_BIP94 = opts.enforce_bip94;
526 : 2987 : consensus.fPowNoRetargeting = true;
527 : :
528 [ + + ]: 2987 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
529 : 2987 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = 0;
530 : 2987 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
531 : 2987 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
532 : 2987 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].threshold = 108; // 75%
533 : 2987 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].period = 144; // Faster than normal for regtest (144 instead of 2016)
534 : :
535 : 2987 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].bit = 2;
536 : 2987 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nStartTime = Consensus::BIP9Deployment::ALWAYS_ACTIVE;
537 : 2987 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
538 : 2987 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].min_activation_height = 0; // No activation delay
539 : 2987 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].threshold = 108; // 75%
540 : 2987 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].period = 144;
541 : :
542 : 2987 : consensus.nMinimumChainWork = uint256{};
543 : 2987 : consensus.defaultAssumeValid = uint256{};
544 : :
545 : 2987 : pchMessageStart[0] = 0xfa;
546 : 2987 : pchMessageStart[1] = 0xbf;
547 : 2987 : pchMessageStart[2] = 0xb5;
548 : 2987 : pchMessageStart[3] = 0xda;
549 : 2987 : nDefaultPort = 18444;
550 [ + + ]: 2987 : nPruneAfterHeight = opts.fastprune ? 100 : 1000;
551 : 2987 : m_assumed_blockchain_size = 0;
552 : 2987 : m_assumed_chain_state_size = 0;
553 : :
554 [ + + + + : 3019 : for (const auto& [dep, height] : opts.activation_heights) {
+ + + - ]
555 [ + + + + : 32 : switch (dep) {
+ - ]
556 : 15 : case Consensus::BuriedDeployment::DEPLOYMENT_SEGWIT:
557 : 15 : consensus.SegwitHeight = int{height};
558 : 15 : break;
559 : 3 : case Consensus::BuriedDeployment::DEPLOYMENT_HEIGHTINCB:
560 : 3 : consensus.BIP34Height = int{height};
561 : 3 : break;
562 : 6 : case Consensus::BuriedDeployment::DEPLOYMENT_DERSIG:
563 : 6 : consensus.BIP66Height = int{height};
564 : 6 : break;
565 : 3 : case Consensus::BuriedDeployment::DEPLOYMENT_CLTV:
566 : 3 : consensus.BIP65Height = int{height};
567 : 3 : break;
568 : 5 : case Consensus::BuriedDeployment::DEPLOYMENT_CSV:
569 : 5 : consensus.CSVHeight = int{height};
570 : 5 : break;
571 : : }
572 : : }
573 : :
574 [ + + ]: 2989 : for (const auto& [deployment_pos, version_bits_params] : opts.version_bits_parameters) {
575 : 2 : consensus.vDeployments[deployment_pos].nStartTime = version_bits_params.start_time;
576 : 2 : consensus.vDeployments[deployment_pos].nTimeout = version_bits_params.timeout;
577 : 2 : consensus.vDeployments[deployment_pos].min_activation_height = version_bits_params.min_activation_height;
578 : : }
579 : :
580 [ + - ]: 2987 : genesis = CreateGenesisBlock(1296688602, 2, 0x207fffff, 1, 50 * COIN);
581 [ + - ]: 2987 : consensus.hashGenesisBlock = genesis.GetHash();
582 [ - + ]: 2987 : assert(consensus.hashGenesisBlock == uint256{"0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206"});
583 [ - + ]: 2987 : assert(genesis.hashMerkleRoot == uint256{"4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"});
584 : :
585 [ - + ]: 2987 : vFixedSeeds.clear(); //!< Regtest mode doesn't have any fixed seeds.
586 : 2987 : vSeeds.clear();
587 [ + - ]: 2987 : vSeeds.emplace_back("dummySeed.invalid.");
588 : :
589 : 2987 : fDefaultConsistencyChecks = true;
590 : 2987 : m_is_mockable_chain = true;
591 : :
592 : 2987 : m_assumeutxo_data = {
593 : : { // For use by unit tests
594 : : .height = 110,
595 [ + - ]: 2987 : .hash_serialized = AssumeutxoHash{uint256{"b952555c8ab81fec46f3d4253b7af256d766ceb39fb7752b9d18cdf4a0141327"}},
596 : : .m_chain_tx_count = 111,
597 : : .blockhash = consteval_ctor(uint256{"6affe030b7965ab538f820a56ef56c8149b7dc1d1c144af57113be080db7c397"}),
598 : : },
599 : : {
600 : : // For use by fuzz target src/test/fuzz/utxo_snapshot.cpp
601 : : .height = 200,
602 : 2987 : .hash_serialized = AssumeutxoHash{uint256{"17dcc016d188d16068907cdeb38b75691a118d43053b8cd6a25969419381d13a"}},
603 : : .m_chain_tx_count = 201,
604 : : .blockhash = consteval_ctor(uint256{"385901ccbd69dff6bbd00065d01fb8a9e464dede7cfe0372443884f9b1dcf6b9"}),
605 : : },
606 : : {
607 : : // For use by test/functional/feature_assumeutxo.py
608 : : .height = 299,
609 : 2987 : .hash_serialized = AssumeutxoHash{uint256{"d2b051ff5e8eef46520350776f4100dd710a63447a8e01d917e92e79751a63e2"}},
610 : : .m_chain_tx_count = 334,
611 : : .blockhash = consteval_ctor(uint256{"7cc695046fec709f8c9394b6f928f81e81fd3ac20977bb68760fa1faa7916ea2"}),
612 : : },
613 [ + - ]: 2987 : };
614 : :
615 : 2987 : chainTxData = ChainTxData{
616 : : .nTime = 0,
617 : : .tx_count = 0,
618 : : .dTxRate = 0.001, // Set a non-zero rate to make it testable
619 : : };
620 : :
621 [ + - + - ]: 2987 : base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
622 [ + - + - ]: 2987 : base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
623 [ + - + - ]: 2987 : base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,239);
624 [ + - ]: 2987 : base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
625 [ + - ]: 2987 : base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
626 : :
627 [ + - ]: 2987 : bech32_hrp = "bcrt";
628 : 2987 : }
629 : : };
630 : :
631 : 1833 : std::unique_ptr<const CChainParams> CChainParams::SigNet(const SigNetOptions& options)
632 : : {
633 : 1833 : return std::make_unique<const SigNetParams>(options);
634 : : }
635 : :
636 : 2987 : std::unique_ptr<const CChainParams> CChainParams::RegTest(const RegTestOptions& options)
637 : : {
638 : 2987 : return std::make_unique<const CRegTestParams>(options);
639 : : }
640 : :
641 : 2468 : std::unique_ptr<const CChainParams> CChainParams::Main()
642 : : {
643 : 2468 : return std::make_unique<const CMainParams>();
644 : : }
645 : :
646 : 1788 : std::unique_ptr<const CChainParams> CChainParams::TestNet()
647 : : {
648 : 1788 : return std::make_unique<const CTestNetParams>();
649 : : }
650 : :
651 : 1755 : std::unique_ptr<const CChainParams> CChainParams::TestNet4()
652 : : {
653 : 1755 : return std::make_unique<const CTestNet4Params>();
654 : : }
655 : :
656 : 15 : std::vector<int> CChainParams::GetAvailableSnapshotHeights() const
657 : : {
658 : 15 : std::vector<int> heights;
659 [ + - ]: 15 : heights.reserve(m_assumeutxo_data.size());
660 : :
661 [ + + ]: 60 : for (const auto& data : m_assumeutxo_data) {
662 [ + - ]: 45 : heights.emplace_back(data.height);
663 : : }
664 : 15 : return heights;
665 : 0 : }
666 : :
667 : 8 : std::optional<ChainType> GetNetworkForMagic(const MessageStartChars& message)
668 : : {
669 : 8 : const auto mainnet_msg = CChainParams::Main()->MessageStart();
670 : 8 : const auto testnet_msg = CChainParams::TestNet()->MessageStart();
671 : 8 : const auto testnet4_msg = CChainParams::TestNet4()->MessageStart();
672 : 8 : const auto regtest_msg = CChainParams::RegTest({})->MessageStart();
673 : 8 : const auto signet_msg = CChainParams::SigNet({})->MessageStart();
674 : :
675 [ + + ]: 8 : if (std::ranges::equal(message, mainnet_msg)) {
676 : 1 : return ChainType::MAIN;
677 [ - + ]: 7 : } else if (std::ranges::equal(message, testnet_msg)) {
678 : 0 : return ChainType::TESTNET;
679 [ + + ]: 7 : } else if (std::ranges::equal(message, testnet4_msg)) {
680 : 1 : return ChainType::TESTNET4;
681 [ + + ]: 6 : } else if (std::ranges::equal(message, regtest_msg)) {
682 : 3 : return ChainType::REGTEST;
683 [ + + ]: 3 : } else if (std::ranges::equal(message, signet_msg)) {
684 : 1 : return ChainType::SIGNET;
685 : : }
686 : 2 : return std::nullopt;
687 [ + - + - ]: 16 : }
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