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 <crypto/hex_base.h>
13 : : #include <hash.h>
14 : : #include <kernel/messagestartchars.h>
15 : : #include <primitives/block.h>
16 : : #include <primitives/transaction.h>
17 : : #include <script/interpreter.h>
18 : : #include <script/script.h>
19 : : #include <script/verify_flags.h>
20 : : #include <uint256.h>
21 : : #include <util/chaintype.h>
22 : : #include <util/log.h>
23 : : #include <util/strencodings.h>
24 : :
25 : : #include <algorithm>
26 : : #include <array>
27 : : #include <cassert>
28 : : #include <cstdint>
29 : : #include <cstring>
30 : : #include <iterator>
31 : : #include <map>
32 : : #include <span>
33 : : #include <utility>
34 : :
35 : : using namespace util::hex_literals;
36 : :
37 : 8098 : static CBlock CreateGenesisBlock(const char* pszTimestamp, const CScript& genesisOutputScript, uint32_t nTime, uint32_t nNonce, uint32_t nBits, int32_t nVersion, const CAmount& genesisReward)
38 : : {
39 : 8098 : CMutableTransaction txNew;
40 : 8098 : txNew.version = 1;
41 [ + - ]: 8098 : txNew.vin.resize(1);
42 [ + - ]: 8098 : txNew.vout.resize(1);
43 [ + - + - : 16196 : txNew.vin[0].scriptSig = CScript() << 486604799 << CScriptNum(4) << std::vector<unsigned char>((const unsigned char*)pszTimestamp, (const unsigned char*)pszTimestamp + strlen(pszTimestamp));
+ - ]
44 : 8098 : txNew.vout[0].nValue = genesisReward;
45 : 8098 : txNew.vout[0].scriptPubKey = genesisOutputScript;
46 : :
47 : 8098 : CBlock genesis;
48 : 8098 : genesis.nTime = nTime;
49 : 8098 : genesis.nBits = nBits;
50 : 8098 : genesis.nNonce = nNonce;
51 : 8098 : genesis.nVersion = nVersion;
52 [ + - + - : 16196 : genesis.vtx.push_back(MakeTransactionRef(std::move(txNew)));
- + ]
53 : 8098 : genesis.hashPrevBlock.SetNull();
54 [ + - ]: 8098 : genesis.hashMerkleRoot = BlockMerkleRoot(genesis);
55 : 8098 : return genesis;
56 : 8098 : }
57 : :
58 : : /**
59 : : * Build the genesis block. Note that the output of its generation
60 : : * transaction cannot be spent since it did not originally exist in the
61 : : * database.
62 : : *
63 : : * CBlock(hash=000000000019d6, ver=1, hashPrevBlock=00000000000000, hashMerkleRoot=4a5e1e, nTime=1231006505, nBits=1d00ffff, nNonce=2083236893, vtx=1)
64 : : * CTransaction(hash=4a5e1e, ver=1, vin.size=1, vout.size=1, nLockTime=0)
65 : : * CTxIn(COutPoint(000000, -1), coinbase 04ffff001d0104455468652054696d65732030332f4a616e2f32303039204368616e63656c6c6f72206f6e206272696e6b206f66207365636f6e64206261696c6f757420666f722062616e6b73)
66 : : * CTxOut(nValue=50.00000000, scriptPubKey=0x5F1DF16B2B704C8A578D0B)
67 : : * vMerkleTree: 4a5e1e
68 : : */
69 : 6731 : static CBlock CreateGenesisBlock(uint32_t nTime, uint32_t nNonce, uint32_t nBits, int32_t nVersion, const CAmount& genesisReward)
70 : : {
71 : 6731 : const char* pszTimestamp = "The Times 03/Jan/2009 Chancellor on brink of second bailout for banks";
72 [ + - ]: 6731 : const CScript genesisOutputScript = CScript() << "04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f"_hex << OP_CHECKSIG;
73 [ + - ]: 6731 : return CreateGenesisBlock(pszTimestamp, genesisOutputScript, nTime, nNonce, nBits, nVersion, genesisReward);
74 : 6731 : }
75 : :
76 : 8098 : void CChainParams::ApplyDeploymentOptions(const DeploymentOptions& opts)
77 : : {
78 [ + + - + : 9244 : for (const auto& [dep, height] : opts.activation_heights) {
- - - - ]
79 [ - + - - : 1146 : switch (dep) {
- - ]
80 : 0 : case Consensus::BuriedDeployment::DEPLOYMENT_SEGWIT:
81 : 0 : consensus.SegwitHeight = int{height};
82 : 0 : break;
83 : 1146 : case Consensus::BuriedDeployment::DEPLOYMENT_HEIGHTINCB:
84 : 1146 : consensus.BIP34Height = int{height};
85 : 1146 : break;
86 : 0 : case Consensus::BuriedDeployment::DEPLOYMENT_DERSIG:
87 : 0 : consensus.BIP66Height = int{height};
88 : 0 : break;
89 : 0 : case Consensus::BuriedDeployment::DEPLOYMENT_CLTV:
90 : 0 : consensus.BIP65Height = int{height};
91 : 0 : break;
92 : 0 : case Consensus::BuriedDeployment::DEPLOYMENT_CSV:
93 : 0 : consensus.CSVHeight = int{height};
94 : 0 : break;
95 : : }
96 : : }
97 : :
98 [ - + ]: 8098 : for (const auto& [deployment_pos, version_bits_params] : opts.version_bits_parameters) {
99 : 0 : consensus.vDeployments[deployment_pos].nStartTime = version_bits_params.start_time;
100 : 0 : consensus.vDeployments[deployment_pos].nTimeout = version_bits_params.timeout;
101 : 0 : consensus.vDeployments[deployment_pos].min_activation_height = version_bits_params.min_activation_height;
102 : : }
103 : 8098 : }
104 : :
105 : : /**
106 : : * Main network on which people trade goods and services.
107 : : */
108 : 0 : class CMainParams : public CChainParams {
109 : : public:
110 : 1380 : CMainParams(const MainNetOptions& opts) {
111 : 1380 : m_chain_type = ChainType::MAIN;
112 : 1380 : consensus.signet_blocks = false;
113 [ - + ]: 1380 : consensus.signet_challenge.clear();
114 : 1380 : consensus.nSubsidyHalvingInterval = 210000;
115 : 1380 : consensus.script_flag_exceptions.emplace( // BIP16 exception
116 [ + - ]: 1380 : uint256{"00000000000002dc756eebf4f49723ed8d30cc28a5f108eb94b1ba88ac4f9c22"}, SCRIPT_VERIFY_NONE);
117 : 1380 : consensus.script_flag_exceptions.emplace( // Taproot exception
118 [ + - ]: 1380 : uint256{"0000000000000000000f14c35b2d841e986ab5441de8c585d5ffe55ea1e395ad"}, SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_WITNESS);
119 : 1380 : consensus.BIP34Height = 227931;
120 : 1380 : consensus.BIP34Hash = uint256{"000000000000024b89b42a942fe0d9fea3bb44ab7bd1b19115dd6a759c0808b8"};
121 : 1380 : consensus.BIP65Height = 388381; // 000000000000000004c2b624ed5d7756c508d90fd0da2c7c679febfa6c4735f0
122 : 1380 : consensus.BIP66Height = 363725; // 00000000000000000379eaa19dce8c9b722d46ae6a57c2f1a988119488b50931
123 : 1380 : consensus.CSVHeight = 419328; // 000000000000000004a1b34462cb8aeebd5799177f7a29cf28f2d1961716b5b5
124 : 1380 : consensus.SegwitHeight = 481824; // 0000000000000000001c8018d9cb3b742ef25114f27563e3fc4a1902167f9893
125 : 1380 : consensus.MinBIP9WarningHeight = 711648; // taproot activation height + miner confirmation window
126 : 1380 : consensus.powLimit = uint256{"00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff"};
127 : 1380 : consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
128 : 1380 : consensus.nPowTargetSpacing = 10 * 60;
129 : 1380 : consensus.fPowAllowMinDifficultyBlocks = false;
130 : 1380 : consensus.enforce_BIP94 = false;
131 : 1380 : consensus.fPowNoRetargeting = false;
132 [ + - ]: 1380 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
133 : 1380 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
134 : 1380 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
135 : 1380 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
136 : 1380 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].threshold = 1815; // 90%
137 : 1380 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].period = 2016;
138 : :
139 [ + - ]: 1380 : ApplyDeploymentOptions(opts.dep_opts);
140 : :
141 : 1380 : consensus.nMinimumChainWork = uint256{"0000000000000000000000000000000000000001128750f82f4c366153a3a030"};
142 : 1380 : consensus.defaultAssumeValid = uint256{"00000000000000000000ccebd6d74d9194d8dcdc1d177c478e094bfad51ba5ac"}; // 938343
143 : :
144 : : /**
145 : : * The message start string is designed to be unlikely to occur in normal data.
146 : : * The characters are rarely used upper ASCII, not valid as UTF-8, and produce
147 : : * a large 32-bit integer with any alignment.
148 : : */
149 [ + - ]: 1380 : pchMessageStart[0] = 0xf9;
150 : 1380 : pchMessageStart[1] = 0xbe;
151 : 1380 : pchMessageStart[2] = 0xb4;
152 : 1380 : pchMessageStart[3] = 0xd9;
153 : 1380 : nDefaultPort = 8333;
154 : 1380 : nPruneAfterHeight = 100000;
155 : 1380 : m_assumed_blockchain_size = 856;
156 : 1380 : m_assumed_chain_state_size = 14;
157 : :
158 [ + - ]: 1380 : genesis = CreateGenesisBlock(1231006505, 2083236893, 0x1d00ffff, 1, 50 * COIN);
159 [ + - ]: 1380 : consensus.hashGenesisBlock = genesis.GetHash();
160 [ - + ]: 1380 : assert(consensus.hashGenesisBlock == uint256{"000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f"});
161 [ - + ]: 1380 : assert(genesis.hashMerkleRoot == uint256{"4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"});
162 : :
163 : : // Note that of those which support the service bits prefix, most only support a subset of
164 : : // possible options.
165 : : // This is fine at runtime as we'll fall back to using them as an addrfetch if they don't support the
166 : : // service bits we want, but we should get them updated to support all service bits wanted by any
167 : : // release ASAP to avoid it where possible.
168 [ + - ]: 1380 : vSeeds.emplace_back("seed.bitcoin.sipa.be."); // Pieter Wuille, only supports x1, x5, x9, and xd
169 [ + - ]: 1380 : vSeeds.emplace_back("dnsseed.bluematt.me."); // Matt Corallo, only supports x9
170 [ + - ]: 1380 : vSeeds.emplace_back("seed.bitcoin.jonasschnelli.ch."); // Jonas Schnelli, only supports x1, x5, x9, and xd
171 [ + - ]: 1380 : vSeeds.emplace_back("seed.btc.petertodd.net."); // Peter Todd, only supports x1, x5, x9, and xd
172 [ + - ]: 1380 : vSeeds.emplace_back("seed.bitcoin.sprovoost.nl."); // Sjors Provoost
173 [ + - ]: 1380 : vSeeds.emplace_back("dnsseed.emzy.de."); // Stephan Oeste
174 [ + - ]: 1380 : vSeeds.emplace_back("seed.bitcoin.wiz.biz."); // Jason Maurice
175 [ + - ]: 1380 : 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
176 : :
177 [ + - + - ]: 1380 : base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,0);
178 [ + - + - ]: 1380 : base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,5);
179 [ + - + - ]: 1380 : base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,128);
180 [ + - ]: 1380 : base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x88, 0xB2, 0x1E};
181 [ + - ]: 1380 : base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x88, 0xAD, 0xE4};
182 : :
183 [ + - ]: 1380 : bech32_hrp = "bc";
184 : :
185 [ + - + - ]: 1380 : vFixedSeeds = std::vector<uint8_t>(std::begin(chainparams_seed_main), std::end(chainparams_seed_main));
186 : :
187 : 1380 : fDefaultConsistencyChecks = false;
188 : 1380 : m_is_mockable_chain = false;
189 : :
190 : 1380 : m_assumeutxo_data = {
191 : : {
192 : : .height = 840'000,
193 : 1380 : .hash_serialized = AssumeutxoHash{uint256{"a2a5521b1b5ab65f67818e5e8eccabb7171a517f9e2382208f77687310768f96"}},
194 : : .m_chain_tx_count = 991032194,
195 : : .blockhash = uint256{"0000000000000000000320283a032748cef8227873ff4872689bf23f1cda83a5"},
196 : : },
197 : : {
198 : : .height = 880'000,
199 : 1380 : .hash_serialized = AssumeutxoHash{uint256{"dbd190983eaf433ef7c15f78a278ae42c00ef52e0fd2a54953782175fbadcea9"}},
200 : : .m_chain_tx_count = 1145604538,
201 : : .blockhash = uint256{"000000000000000000010b17283c3c400507969a9c2afd1dcf2082ec5cca2880"},
202 : : },
203 : : {
204 : : .height = 910'000,
205 : 1380 : .hash_serialized = AssumeutxoHash{uint256{"4daf8a17b4902498c5787966a2b51c613acdab5df5db73f196fa59a4da2f1568"}},
206 : : .m_chain_tx_count = 1226586151,
207 : : .blockhash = uint256{"0000000000000000000108970acb9522ffd516eae17acddcb1bd16469194a821"},
208 : : },
209 : : {
210 : : .height = 935'000,
211 [ + - ]: 1380 : .hash_serialized = AssumeutxoHash{uint256{"e4b90ef9eae834f56c4b64d2d50143cee10ad87994c614d7d04125e2a6025050"}},
212 : : .m_chain_tx_count = 1305397408,
213 : : .blockhash = uint256{"0000000000000000000147034958af1652b2b91bba607beacc5e72a56f0fb5ee"},
214 : : }
215 [ + - ]: 1380 : };
216 : :
217 : 1380 : chainTxData = ChainTxData{
218 : : // Data from RPC: getchaintxstats 4096 00000000000000000000ccebd6d74d9194d8dcdc1d177c478e094bfad51ba5ac
219 : : .nTime = 1772055173,
220 : : .tx_count = 1315805869,
221 : : .dTxRate = 5.40111006496122,
222 : : };
223 : :
224 : : // Generated by headerssync-params.py on 2026-02-25.
225 : 1380 : m_headers_sync_params = HeadersSyncParams{
226 : : .commitment_period = 641,
227 : : .redownload_buffer_size = 15218, // 15218/641 = ~23.7 commitments
228 : : };
229 : 1380 : }
230 : : };
231 : :
232 : : /**
233 : : * Testnet (v3): public test network which is reset from time to time.
234 : : */
235 : 0 : class CTestNetParams : public CChainParams {
236 : : public:
237 : 1367 : CTestNetParams(const TestNetOptions& opts) {
238 : 1367 : m_chain_type = ChainType::TESTNET;
239 : 1367 : consensus.signet_blocks = false;
240 [ - + ]: 1367 : consensus.signet_challenge.clear();
241 : 1367 : consensus.nSubsidyHalvingInterval = 210000;
242 : 1367 : consensus.script_flag_exceptions.emplace( // BIP16 exception
243 [ + - ]: 1367 : uint256{"00000000dd30457c001f4095d208cc1296b0eed002427aa599874af7a432b105"}, SCRIPT_VERIFY_NONE);
244 : 1367 : consensus.BIP34Height = 21111;
245 : 1367 : consensus.BIP34Hash = uint256{"0000000023b3a96d3484e5abb3755c413e7d41500f8e2a5c3f0dd01299cd8ef8"};
246 : 1367 : consensus.BIP65Height = 581885; // 00000000007f6655f22f98e72ed80d8b06dc761d5da09df0fa1dc4be4f861eb6
247 : 1367 : consensus.BIP66Height = 330776; // 000000002104c8c45e99a8853285a3b592602a3ccde2b832481da85e9e4ba182
248 : 1367 : consensus.CSVHeight = 770112; // 00000000025e930139bac5c6c31a403776da130831ab85be56578f3fa75369bb
249 : 1367 : consensus.SegwitHeight = 834624; // 00000000002b980fcd729daaa248fd9316a5200e9b367f4ff2c42453e84201ca
250 : 1367 : consensus.MinBIP9WarningHeight = 2013984; // taproot activation height + miner confirmation window
251 : 1367 : consensus.powLimit = uint256{"00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff"};
252 : 1367 : consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
253 : 1367 : consensus.nPowTargetSpacing = 10 * 60;
254 : 1367 : consensus.fPowAllowMinDifficultyBlocks = true;
255 : 1367 : consensus.enforce_BIP94 = false;
256 : 1367 : consensus.fPowNoRetargeting = false;
257 [ + - ]: 1367 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
258 : 1367 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
259 : 1367 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
260 : 1367 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
261 : 1367 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].threshold = 1512; // 75%
262 : 1367 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].period = 2016;
263 : :
264 [ + - ]: 1367 : ApplyDeploymentOptions(opts.dep_opts);
265 : :
266 : 1367 : consensus.nMinimumChainWork = uint256{"0000000000000000000000000000000000000000000017dde1c649f3708d14b6"};
267 : 1367 : consensus.defaultAssumeValid = uint256{"000000007a61e4230b28ac5cb6b5e5a0130de37ac1faf2f8987d2fa6505b67f4"}; // 4842348
268 : :
269 [ + - ]: 1367 : pchMessageStart[0] = 0x0b;
270 : 1367 : pchMessageStart[1] = 0x11;
271 : 1367 : pchMessageStart[2] = 0x09;
272 : 1367 : pchMessageStart[3] = 0x07;
273 : 1367 : nDefaultPort = 18333;
274 : 1367 : nPruneAfterHeight = 1000;
275 : 1367 : m_assumed_blockchain_size = 245;
276 : 1367 : m_assumed_chain_state_size = 19;
277 : :
278 [ + - ]: 1367 : genesis = CreateGenesisBlock(1296688602, 414098458, 0x1d00ffff, 1, 50 * COIN);
279 [ + - ]: 1367 : consensus.hashGenesisBlock = genesis.GetHash();
280 [ - + ]: 1367 : assert(consensus.hashGenesisBlock == uint256{"000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943"});
281 [ - + ]: 1367 : assert(genesis.hashMerkleRoot == uint256{"4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"});
282 : :
283 [ - + ]: 1367 : vFixedSeeds.clear();
284 : 1367 : vSeeds.clear();
285 : : // nodes with support for servicebits filtering should be at the top
286 [ + - ]: 1367 : vSeeds.emplace_back("testnet-seed.bitcoin.jonasschnelli.ch.");
287 [ + - ]: 1367 : vSeeds.emplace_back("seed.tbtc.petertodd.net.");
288 [ + - ]: 1367 : vSeeds.emplace_back("seed.testnet.bitcoin.sprovoost.nl.");
289 [ + - ]: 1367 : vSeeds.emplace_back("testnet-seed.bluematt.me."); // Just a static list of stable node(s), only supports x9
290 [ + - ]: 1367 : 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
291 : :
292 [ + - + - ]: 1367 : base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
293 [ + - + - ]: 1367 : base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
294 [ + - + - ]: 1367 : base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,239);
295 [ + - ]: 1367 : base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
296 [ + - ]: 1367 : base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
297 : :
298 [ + - ]: 1367 : bech32_hrp = "tb";
299 : :
300 [ + - + - ]: 1367 : vFixedSeeds = std::vector<uint8_t>(std::begin(chainparams_seed_test), std::end(chainparams_seed_test));
301 : :
302 : 1367 : fDefaultConsistencyChecks = false;
303 : 1367 : m_is_mockable_chain = false;
304 : :
305 : 1367 : m_assumeutxo_data = {
306 : : {
307 : : .height = 2'500'000,
308 : 1367 : .hash_serialized = AssumeutxoHash{uint256{"f841584909f68e47897952345234e37fcd9128cd818f41ee6c3ca68db8071be7"}},
309 : : .m_chain_tx_count = 66484552,
310 : : .blockhash = uint256{"0000000000000093bcb68c03a9a168ae252572d348a2eaeba2cdf9231d73206f"},
311 : : },
312 : : {
313 : : .height = 4'840'000,
314 [ + - ]: 1367 : .hash_serialized = AssumeutxoHash{uint256{"ce6bb677bb2ee9789c4a1c9d73e6683c53fc20e8fdbedbdaaf468982a0c8db2a"}},
315 : : .m_chain_tx_count = 536078574,
316 : : .blockhash = uint256{"00000000000000f4971a7fb37fbdff89315b69a2e1920c467654a382f0d64786"},
317 : : }
318 [ + - ]: 1367 : };
319 : :
320 : 1367 : chainTxData = ChainTxData{
321 : : // Data from RPC: getchaintxstats 4096 000000007a61e4230b28ac5cb6b5e5a0130de37ac1faf2f8987d2fa6505b67f4
322 : : .nTime = 1772051651,
323 : : .tx_count = 536108416,
324 : : .dTxRate = 0.02691479016257117,
325 : : };
326 : :
327 : : // Generated by headerssync-params.py on 2026-02-25.
328 : 1367 : m_headers_sync_params = HeadersSyncParams{
329 : : .commitment_period = 673,
330 : : .redownload_buffer_size = 14460, // 14460/673 = ~21.5 commitments
331 : : };
332 : 1367 : }
333 : : };
334 : :
335 : : /**
336 : : * Testnet (v4): public test network which is reset from time to time.
337 : : */
338 : 0 : class CTestNet4Params : public CChainParams {
339 : : public:
340 : 1367 : CTestNet4Params(const TestNetOptions& opts) {
341 : 1367 : m_chain_type = ChainType::TESTNET4;
342 : 1367 : consensus.signet_blocks = false;
343 [ - + ]: 1367 : consensus.signet_challenge.clear();
344 : 1367 : consensus.nSubsidyHalvingInterval = 210000;
345 : 1367 : consensus.BIP34Height = 1;
346 : 1367 : consensus.BIP34Hash = uint256{};
347 : 1367 : consensus.BIP65Height = 1;
348 : 1367 : consensus.BIP66Height = 1;
349 : 1367 : consensus.CSVHeight = 1;
350 : 1367 : consensus.SegwitHeight = 1;
351 : 1367 : consensus.MinBIP9WarningHeight = 0;
352 : 1367 : consensus.powLimit = uint256{"00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff"};
353 : 1367 : consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
354 : 1367 : consensus.nPowTargetSpacing = 10 * 60;
355 : 1367 : consensus.fPowAllowMinDifficultyBlocks = true;
356 : 1367 : consensus.enforce_BIP94 = true;
357 : 1367 : consensus.fPowNoRetargeting = false;
358 : :
359 [ + - ]: 1367 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
360 : 1367 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
361 : 1367 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
362 : 1367 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
363 : 1367 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].threshold = 1512; // 75%
364 : 1367 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].period = 2016;
365 : :
366 [ + - ]: 1367 : ApplyDeploymentOptions(opts.dep_opts);
367 : :
368 : 1367 : consensus.nMinimumChainWork = uint256{"0000000000000000000000000000000000000000000009a0fe15d0177d086304"};
369 : 1367 : consensus.defaultAssumeValid = uint256{"0000000002368b1e4ee27e2e85676ae6f9f9e69579b29093e9a82c170bf7cf8a"}; // 123613
370 : :
371 : 1367 : pchMessageStart[0] = 0x1c;
372 : 1367 : pchMessageStart[1] = 0x16;
373 : 1367 : pchMessageStart[2] = 0x3f;
374 : 1367 : pchMessageStart[3] = 0x28;
375 : 1367 : nDefaultPort = 48333;
376 : 1367 : nPruneAfterHeight = 1000;
377 : 1367 : m_assumed_blockchain_size = 31;
378 : 1367 : m_assumed_chain_state_size = 2;
379 : :
380 : 1367 : const char* testnet4_genesis_msg = "03/May/2024 000000000000000000001ebd58c244970b3aa9d783bb001011fbe8ea8e98e00e";
381 [ + - ]: 1367 : const CScript testnet4_genesis_script = CScript() << "000000000000000000000000000000000000000000000000000000000000000000"_hex << OP_CHECKSIG;
382 : 2734 : genesis = CreateGenesisBlock(testnet4_genesis_msg,
383 : : testnet4_genesis_script,
384 : : 1714777860,
385 : : 393743547,
386 : : 0x1d00ffff,
387 : : 1,
388 [ + - ]: 1367 : 50 * COIN);
389 [ + - ]: 1367 : consensus.hashGenesisBlock = genesis.GetHash();
390 [ - + ]: 1367 : assert(consensus.hashGenesisBlock == uint256{"00000000da84f2bafbbc53dee25a72ae507ff4914b867c565be350b0da8bf043"});
391 [ - + ]: 1367 : assert(genesis.hashMerkleRoot == uint256{"7aa0a7ae1e223414cb807e40cd57e667b718e42aaf9306db9102fe28912b7b4e"});
392 : :
393 [ - + ]: 1367 : vFixedSeeds.clear();
394 : 1367 : vSeeds.clear();
395 : : // nodes with support for servicebits filtering should be at the top
396 [ + - ]: 1367 : vSeeds.emplace_back("seed.testnet4.bitcoin.sprovoost.nl."); // Sjors Provoost
397 [ + - ]: 1367 : vSeeds.emplace_back("seed.testnet4.wiz.biz."); // Jason Maurice
398 : :
399 [ + - + - ]: 1367 : base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
400 [ + - + - ]: 1367 : base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
401 [ + - + - ]: 1367 : base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,239);
402 [ + - ]: 1367 : base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
403 [ + - ]: 1367 : base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
404 : :
405 [ + - ]: 1367 : bech32_hrp = "tb";
406 : :
407 [ + - + - ]: 1367 : vFixedSeeds = std::vector<uint8_t>(std::begin(chainparams_seed_testnet4), std::end(chainparams_seed_testnet4));
408 : :
409 : 1367 : fDefaultConsistencyChecks = false;
410 : 1367 : m_is_mockable_chain = false;
411 : :
412 : 1367 : m_assumeutxo_data = {
413 : : {
414 : : .height = 90'000,
415 : 1367 : .hash_serialized = AssumeutxoHash{uint256{"784fb5e98241de66fdd429f4392155c9e7db5c017148e66e8fdbc95746f8b9b5"}},
416 : : .m_chain_tx_count = 11347043,
417 : : .blockhash = uint256{"0000000002ebe8bcda020e0dd6ccfbdfac531d2f6a81457191b99fc2df2dbe3b"},
418 : : },
419 : : {
420 : : .height = 120'000,
421 [ + - ]: 1367 : .hash_serialized = AssumeutxoHash{uint256{"10b05d05ad468d0971162e1b222a4aa66caca89da2bb2a93f8f37fb29c4794b0"}},
422 : : .m_chain_tx_count = 14141057,
423 : : .blockhash = uint256{"000000000bd2317e51b3c5794981c35ba894ce27d3e772d5c39ecd9cbce01dc8"},
424 : : }
425 [ + - ]: 1367 : };
426 : :
427 : 1367 : chainTxData = ChainTxData{
428 : : // Data from RPC: getchaintxstats 4096 0000000002368b1e4ee27e2e85676ae6f9f9e69579b29093e9a82c170bf7cf8a
429 : : .nTime = 1772013387,
430 : : .tx_count = 14191421,
431 : : .dTxRate = 0.01848579579528412,
432 : : };
433 : :
434 : : // Generated by headerssync-params.py on 2026-02-25.
435 : 1367 : m_headers_sync_params = HeadersSyncParams{
436 : : .commitment_period = 606,
437 : : .redownload_buffer_size = 16092, // 16092/606 = ~26.6 commitments
438 : : };
439 : 1367 : }
440 : : };
441 : :
442 : : /**
443 : : * Signet: test network with an additional consensus parameter (see BIP325).
444 : : */
445 : 0 : class SigNetParams : public CChainParams {
446 : : public:
447 : 1368 : explicit SigNetParams(const SigNetOptions& options)
448 : 1368 : {
449 : 1368 : std::vector<uint8_t> bin;
450 [ - + ]: 1368 : vFixedSeeds.clear();
451 : 1368 : vSeeds.clear();
452 : :
453 [ + - ]: 1368 : if (!options.challenge) {
454 [ + - ]: 2736 : bin = "512103ad5e0edad18cb1f0fc0d28a3d4f1f3e445640337489abb10404f2d1e086be430210359ef5021964fe22d6f8e05b2463c9540ce96883fe3b278760f048f5189f2e6c452ae"_hex_v_u8;
455 [ + - + - ]: 1368 : vFixedSeeds = std::vector<uint8_t>(std::begin(chainparams_seed_signet), std::end(chainparams_seed_signet));
456 [ + - ]: 1368 : vSeeds.emplace_back("seed.signet.bitcoin.sprovoost.nl.");
457 [ + - ]: 1368 : 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
458 : :
459 : 1368 : consensus.nMinimumChainWork = uint256{"00000000000000000000000000000000000000000000000000000b463ea0a4b8"};
460 : 1368 : consensus.defaultAssumeValid = uint256{"00000008414aab61092ef93f1aacc54cf9e9f16af29ddad493b908a01ff5c329"}; // 293175
461 : 1368 : m_assumed_blockchain_size = 24;
462 : 1368 : m_assumed_chain_state_size = 4;
463 : 1368 : chainTxData = ChainTxData{
464 : : // Data from RPC: getchaintxstats 4096 00000008414aab61092ef93f1aacc54cf9e9f16af29ddad493b908a01ff5c329
465 : : .nTime = 1772055248,
466 : : .tx_count = 28676833,
467 : : .dTxRate = 0.06736623436338929,
468 : : };
469 : : } else {
470 [ # # ]: 0 : bin = *options.challenge;
471 : 0 : consensus.nMinimumChainWork = uint256{};
472 : 0 : consensus.defaultAssumeValid = uint256{};
473 : 0 : m_assumed_blockchain_size = 0;
474 : 0 : m_assumed_chain_state_size = 0;
475 : 0 : chainTxData = ChainTxData{
476 : : 0,
477 : : 0,
478 : : 0,
479 : : };
480 [ # # # # : 0 : LogInfo("Signet with challenge %s", HexStr(bin));
# # ]
481 : : }
482 : :
483 [ - + ]: 1368 : if (options.seeds) {
484 [ # # ]: 0 : vSeeds = *options.seeds;
485 : : }
486 : :
487 : 1368 : m_chain_type = ChainType::SIGNET;
488 : 1368 : consensus.signet_blocks = true;
489 [ + - ]: 1368 : consensus.signet_challenge.assign(bin.begin(), bin.end());
490 : 1368 : consensus.nSubsidyHalvingInterval = 210000;
491 : 1368 : consensus.BIP34Height = 1;
492 : 1368 : consensus.BIP34Hash = uint256{};
493 : 1368 : consensus.BIP65Height = 1;
494 : 1368 : consensus.BIP66Height = 1;
495 : 1368 : consensus.CSVHeight = 1;
496 : 1368 : consensus.SegwitHeight = 1;
497 : 1368 : consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
498 : 1368 : consensus.nPowTargetSpacing = 10 * 60;
499 : 1368 : consensus.fPowAllowMinDifficultyBlocks = false;
500 : 1368 : consensus.enforce_BIP94 = false;
501 : 1368 : consensus.fPowNoRetargeting = false;
502 : 1368 : consensus.MinBIP9WarningHeight = 0;
503 : 1368 : consensus.powLimit = uint256{"00000377ae000000000000000000000000000000000000000000000000000000"};
504 [ + - ]: 1368 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
505 : 1368 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
506 : 1368 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
507 : 1368 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
508 : 1368 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].threshold = 1815; // 90%
509 : 1368 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].period = 2016;
510 : :
511 [ + - ]: 1368 : ApplyDeploymentOptions(options.dep_opts);
512 : :
513 : : // message start is defined as the first 4 bytes of the sha256d of the block script
514 [ + - ]: 1368 : HashWriter h{};
515 [ + - ]: 1368 : h << consensus.signet_challenge;
516 [ + - ]: 1368 : uint256 hash = h.GetHash();
517 : 1368 : std::copy_n(hash.begin(), 4, pchMessageStart.begin());
518 : :
519 : 1368 : nDefaultPort = 38333;
520 : 1368 : nPruneAfterHeight = 1000;
521 : :
522 [ + - ]: 1368 : genesis = CreateGenesisBlock(1598918400, 52613770, 0x1e0377ae, 1, 50 * COIN);
523 [ + - ]: 1368 : consensus.hashGenesisBlock = genesis.GetHash();
524 [ - + ]: 1368 : assert(consensus.hashGenesisBlock == uint256{"00000008819873e925422c1ff0f99f7cc9bbb232af63a077a480a3633bee1ef6"});
525 [ - + ]: 1368 : assert(genesis.hashMerkleRoot == uint256{"4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"});
526 : :
527 : 1368 : m_assumeutxo_data = {
528 : : {
529 : : .height = 160'000,
530 : 1368 : .hash_serialized = AssumeutxoHash{uint256{"fe0a44309b74d6b5883d246cb419c6221bcccf0b308c9b59b7d70783dbdf928a"}},
531 : : .m_chain_tx_count = 2289496,
532 : : .blockhash = uint256{"0000003ca3c99aff040f2563c2ad8f8ec88bd0fd6b8f0895cfaf1ef90353a62c"},
533 : : },
534 : : {
535 : : .height = 290'000,
536 [ + - ]: 1368 : .hash_serialized = AssumeutxoHash{uint256{"97267e000b4b876800167e71b9123f1529d13b14308abec2888bbd2160d14545"}},
537 : : .m_chain_tx_count = 28547497,
538 : : .blockhash = uint256{"0000000577f2741bb30cd9d39d6d71b023afbeb9764f6260786a97969d5c9ac0"},
539 : : }
540 [ + - ]: 1368 : };
541 : :
542 [ + - + - ]: 1368 : base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
543 [ + - + - ]: 1368 : base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
544 [ + - + - ]: 1368 : base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,239);
545 [ + - ]: 1368 : base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
546 [ + - ]: 1368 : base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
547 : :
548 [ + - ]: 1368 : bech32_hrp = "tb";
549 : :
550 : 1368 : fDefaultConsistencyChecks = false;
551 : 1368 : m_is_mockable_chain = false;
552 : :
553 : : // Generated by headerssync-params.py on 2026-02-25.
554 : 1368 : m_headers_sync_params = HeadersSyncParams{
555 : : .commitment_period = 620,
556 : : .redownload_buffer_size = 15724, // 15724/620 = ~25.4 commitments
557 : : };
558 : 1368 : }
559 : : };
560 : :
561 : : /**
562 : : * Regression test: intended for private networks only. Has minimal difficulty to ensure that
563 : : * blocks can be found instantly.
564 : : */
565 : 0 : class CRegTestParams : public CChainParams
566 : : {
567 : : public:
568 : 2616 : explicit CRegTestParams(const RegTestOptions& opts)
569 : 2616 : {
570 : 2616 : m_chain_type = ChainType::REGTEST;
571 : 2616 : consensus.signet_blocks = false;
572 [ - + ]: 2616 : consensus.signet_challenge.clear();
573 : 2616 : consensus.nSubsidyHalvingInterval = 150;
574 : 2616 : consensus.BIP34Height = 1; // Always active unless overridden
575 : 2616 : consensus.BIP34Hash = uint256();
576 : 2616 : consensus.BIP65Height = 1; // Always active unless overridden
577 : 2616 : consensus.BIP66Height = 1; // Always active unless overridden
578 : 2616 : consensus.CSVHeight = 1; // Always active unless overridden
579 : 2616 : consensus.SegwitHeight = 0; // Always active unless overridden
580 : 2616 : consensus.MinBIP9WarningHeight = 0;
581 : 2616 : consensus.powLimit = uint256{"7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"};
582 : 2616 : consensus.nPowTargetTimespan = 24 * 60 * 60; // one day
583 : 2616 : consensus.nPowTargetSpacing = 10 * 60;
584 : 2616 : consensus.fPowAllowMinDifficultyBlocks = true;
585 : 2616 : consensus.enforce_BIP94 = opts.enforce_bip94;
586 : 2616 : consensus.fPowNoRetargeting = true;
587 : :
588 [ + - ]: 2616 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
589 : 2616 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = 0;
590 : 2616 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
591 : 2616 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
592 : 2616 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].threshold = 108; // 75%
593 : 2616 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].period = 144; // Faster than normal for regtest (144 instead of 2016)
594 : :
595 : 2616 : consensus.nMinimumChainWork = uint256{};
596 : 2616 : consensus.defaultAssumeValid = uint256{};
597 : :
598 : 2616 : pchMessageStart[0] = 0xfa;
599 : 2616 : pchMessageStart[1] = 0xbf;
600 : 2616 : pchMessageStart[2] = 0xb5;
601 : 2616 : pchMessageStart[3] = 0xda;
602 : 2616 : nDefaultPort = 18444;
603 [ + - ]: 2616 : nPruneAfterHeight = opts.fastprune ? 100 : 1000;
604 : 2616 : m_assumed_blockchain_size = 0;
605 : 2616 : m_assumed_chain_state_size = 0;
606 : :
607 [ + - ]: 2616 : ApplyDeploymentOptions(opts.dep_opts);
608 : :
609 [ + - ]: 2616 : genesis = CreateGenesisBlock(1296688602, 2, 0x207fffff, 1, 50 * COIN);
610 [ + - ]: 2616 : consensus.hashGenesisBlock = genesis.GetHash();
611 [ - + ]: 2616 : assert(consensus.hashGenesisBlock == uint256{"0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206"});
612 [ - + ]: 2616 : assert(genesis.hashMerkleRoot == uint256{"4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"});
613 : :
614 [ - + ]: 2616 : vFixedSeeds.clear(); //!< Regtest mode doesn't have any fixed seeds.
615 : 2616 : vSeeds.clear();
616 [ + - ]: 2616 : vSeeds.emplace_back("dummySeed.invalid.");
617 : :
618 : 2616 : fDefaultConsistencyChecks = true;
619 : 2616 : m_is_mockable_chain = true;
620 : :
621 : 2616 : m_assumeutxo_data = {
622 : : { // For use by unit tests
623 : : .height = 110,
624 : 2616 : .hash_serialized = AssumeutxoHash{uint256{"86e9a1205b418b16dde3a18a78c730e30137e28466bda5dbf6b33ab8fc05447c"}},
625 : : .m_chain_tx_count = 111,
626 : : .blockhash = uint256{"135eec25a6fb277884e5824e7aa7d052c4868161c99a5122170b5266f86c273d"},
627 : : },
628 : : {
629 : : // For use by fuzz target src/test/fuzz/utxo_snapshot.cpp
630 : : .height = 200,
631 : 2616 : .hash_serialized = AssumeutxoHash{uint256{"17dcc016d188d16068907cdeb38b75691a118d43053b8cd6a25969419381d13a"}},
632 : : .m_chain_tx_count = 201,
633 : : .blockhash = uint256{"385901ccbd69dff6bbd00065d01fb8a9e464dede7cfe0372443884f9b1dcf6b9"},
634 : : },
635 : : {
636 : : // For use by test/functional/feature_assumeutxo.py and test/functional/tool_bitcoin_chainstate.py
637 : : .height = 299,
638 [ + - ]: 2616 : .hash_serialized = AssumeutxoHash{uint256{"106b2c56233e378a824cf0d5ff2be42ed32c72f1605c9be288d00942908a40ac"}},
639 : : .m_chain_tx_count = 334,
640 : : .blockhash = uint256{"0c552ced4721c249a389eb9b08cb8da261cd46f0e7b5f9d064d48f3113406853"},
641 : : },
642 [ + - ]: 2616 : };
643 : :
644 : 2616 : chainTxData = ChainTxData{
645 : : .nTime = 0,
646 : : .tx_count = 0,
647 : : .dTxRate = 0.001, // Set a non-zero rate to make it testable
648 : : };
649 : :
650 [ + - + - ]: 2616 : base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
651 [ + - + - ]: 2616 : base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
652 [ + - + - ]: 2616 : base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,239);
653 [ + - ]: 2616 : base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
654 [ + - ]: 2616 : base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
655 : :
656 [ + - ]: 2616 : bech32_hrp = "bcrt";
657 : :
658 : : // Copied from Testnet4.
659 : 2616 : m_headers_sync_params = HeadersSyncParams{
660 : : .commitment_period = 275,
661 : : .redownload_buffer_size = 7017, // 7017/275 = ~25.5 commitments
662 : : };
663 : 2616 : }
664 : : };
665 : :
666 : 1368 : std::unique_ptr<const CChainParams> CChainParams::SigNet(const SigNetOptions& options)
667 : : {
668 : 1368 : return std::make_unique<const SigNetParams>(options);
669 : : }
670 : :
671 : 2616 : std::unique_ptr<const CChainParams> CChainParams::RegTest(const RegTestOptions& options)
672 : : {
673 : 2616 : return std::make_unique<const CRegTestParams>(options);
674 : : }
675 : :
676 : 1380 : std::unique_ptr<const CChainParams> CChainParams::Main(const MainNetOptions& options)
677 : : {
678 : 1380 : return std::make_unique<const CMainParams>(options);
679 : : }
680 : :
681 : 1367 : std::unique_ptr<const CChainParams> CChainParams::TestNet(const TestNetOptions& options)
682 : : {
683 : 1367 : return std::make_unique<const CTestNetParams>(options);
684 : : }
685 : :
686 : 1367 : std::unique_ptr<const CChainParams> CChainParams::TestNet4(const TestNetOptions& options)
687 : : {
688 : 1367 : return std::make_unique<const CTestNet4Params>(options);
689 : : }
690 : :
691 : 218 : std::vector<int> CChainParams::GetAvailableSnapshotHeights() const
692 : : {
693 : 218 : std::vector<int> heights;
694 [ - + + - ]: 218 : heights.reserve(m_assumeutxo_data.size());
695 : :
696 [ + + ]: 872 : for (const auto& data : m_assumeutxo_data) {
697 [ + - ]: 654 : heights.emplace_back(data.height);
698 : : }
699 : 218 : return heights;
700 : 0 : }
701 : :
702 : 128 : std::optional<ChainType> GetNetworkForMagic(const MessageStartChars& message)
703 : : {
704 : 128 : const auto mainnet_msg = CChainParams::Main()->MessageStart();
705 : 128 : const auto testnet_msg = CChainParams::TestNet()->MessageStart();
706 : 128 : const auto testnet4_msg = CChainParams::TestNet4()->MessageStart();
707 : 128 : const auto regtest_msg = CChainParams::RegTest()->MessageStart();
708 : 128 : const auto signet_msg = CChainParams::SigNet()->MessageStart();
709 : :
710 [ + + ]: 128 : if (std::ranges::equal(message, mainnet_msg)) {
711 : 17 : return ChainType::MAIN;
712 [ + + ]: 111 : } else if (std::ranges::equal(message, testnet_msg)) {
713 : 13 : return ChainType::TESTNET;
714 [ + + ]: 98 : } else if (std::ranges::equal(message, testnet4_msg)) {
715 : 13 : return ChainType::TESTNET4;
716 [ + + ]: 85 : } else if (std::ranges::equal(message, regtest_msg)) {
717 : 52 : return ChainType::REGTEST;
718 [ + + ]: 33 : } else if (std::ranges::equal(message, signet_msg)) {
719 : 9 : return ChainType::SIGNET;
720 : : }
721 : 24 : return std::nullopt;
722 : : }
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