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 <kernel/messagestartchars.h>
14 : : #include <kernel/signet.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 : 5117 : 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 : 5117 : CMutableTransaction txNew;
40 : 5117 : txNew.version = 1;
41 [ + - ]: 5117 : txNew.vin.resize(1);
42 [ + - ]: 5117 : txNew.vout.resize(1);
43 [ + - + - : 10234 : txNew.vin[0].scriptSig = CScript() << 486604799 << CScriptNum(4) << std::vector<unsigned char>((const unsigned char*)pszTimestamp, (const unsigned char*)pszTimestamp + strlen(pszTimestamp));
+ - ]
44 : 5117 : txNew.vout[0].nValue = genesisReward;
45 : 5117 : txNew.vout[0].scriptPubKey = genesisOutputScript;
46 : :
47 : 5117 : CBlock genesis;
48 : 5117 : genesis.nTime = nTime;
49 : 5117 : genesis.nBits = nBits;
50 : 5117 : genesis.nNonce = nNonce;
51 : 5117 : genesis.nVersion = nVersion;
52 [ + - + - : 10234 : genesis.vtx.push_back(MakeTransactionRef(std::move(txNew)));
- + ]
53 : 5117 : genesis.hashPrevBlock.SetNull();
54 [ + - ]: 5117 : genesis.hashMerkleRoot = BlockMerkleRoot(genesis);
55 : 5117 : return genesis;
56 : 5117 : }
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 : 4302 : static CBlock CreateGenesisBlock(uint32_t nTime, uint32_t nNonce, uint32_t nBits, int32_t nVersion, const CAmount& genesisReward)
70 : : {
71 : 4302 : const char* pszTimestamp = "The Times 03/Jan/2009 Chancellor on brink of second bailout for banks";
72 [ + - ]: 4302 : const CScript genesisOutputScript = CScript() << "04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f"_hex << OP_CHECKSIG;
73 [ + - ]: 4302 : return CreateGenesisBlock(pszTimestamp, genesisOutputScript, nTime, nNonce, nBits, nVersion, genesisReward);
74 : 4302 : }
75 : :
76 : 5117 : void CChainParams::ApplyDeploymentOptions(const DeploymentOptions& opts)
77 : : {
78 [ + + - - : 5119 : for (const auto& [dep, height] : opts.activation_heights) {
+ - - - ]
79 [ - - + - : 2 : switch (dep) {
- - ]
80 : 0 : case Consensus::BuriedDeployment::DEPLOYMENT_SEGWIT:
81 : 0 : consensus.SegwitHeight = int{height};
82 : 0 : break;
83 : 0 : case Consensus::BuriedDeployment::DEPLOYMENT_HEIGHTINCB:
84 : 0 : consensus.BIP34Height = int{height};
85 : 0 : break;
86 : 2 : case Consensus::BuriedDeployment::DEPLOYMENT_DERSIG:
87 : 2 : consensus.BIP66Height = int{height};
88 : 2 : 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 [ + + ]: 5119 : for (const auto& [deployment_pos, version_bits_params] : opts.version_bits_parameters) {
99 : 2 : consensus.vDeployments[deployment_pos].nStartTime = version_bits_params.start_time;
100 : 2 : consensus.vDeployments[deployment_pos].nTimeout = version_bits_params.timeout;
101 : 2 : consensus.vDeployments[deployment_pos].min_activation_height = version_bits_params.min_activation_height;
102 : : }
103 : 5117 : }
104 : :
105 : : /**
106 : : * Main network on which people trade goods and services.
107 : : */
108 : 0 : class CMainParams : public CChainParams {
109 : : public:
110 : 1565 : CMainParams(const MainNetOptions& opts) {
111 : 1565 : m_chain_type = ChainType::MAIN;
112 : 1565 : consensus.signet_blocks = false;
113 [ - + ]: 1565 : consensus.signet_challenge.clear();
114 : 1565 : consensus.nSubsidyHalvingInterval = 210000;
115 : 1565 : consensus.script_flag_exceptions.emplace( // BIP16 exception
116 [ + - ]: 1565 : uint256{"00000000000002dc756eebf4f49723ed8d30cc28a5f108eb94b1ba88ac4f9c22"}, SCRIPT_VERIFY_NONE);
117 : 1565 : consensus.script_flag_exceptions.emplace( // Taproot exception
118 [ + - ]: 1565 : uint256{"0000000000000000000f14c35b2d841e986ab5441de8c585d5ffe55ea1e395ad"}, SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_WITNESS);
119 : 1565 : consensus.BIP34Height = 227931;
120 : 1565 : consensus.BIP34Hash = uint256{"000000000000024b89b42a942fe0d9fea3bb44ab7bd1b19115dd6a759c0808b8"};
121 : 1565 : consensus.BIP65Height = 388381; // 000000000000000004c2b624ed5d7756c508d90fd0da2c7c679febfa6c4735f0
122 : 1565 : consensus.BIP66Height = 363725; // 00000000000000000379eaa19dce8c9b722d46ae6a57c2f1a988119488b50931
123 : 1565 : consensus.CSVHeight = 419328; // 000000000000000004a1b34462cb8aeebd5799177f7a29cf28f2d1961716b5b5
124 : 1565 : consensus.SegwitHeight = 481824; // 0000000000000000001c8018d9cb3b742ef25114f27563e3fc4a1902167f9893
125 : 1565 : consensus.MinBIP9WarningHeight = 711648; // taproot activation height + miner confirmation window
126 : 1565 : consensus.powLimit = uint256{"00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff"};
127 : 1565 : consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
128 : 1565 : consensus.nPowTargetSpacing = 10 * 60;
129 : 1565 : consensus.fPowAllowMinDifficultyBlocks = false;
130 : 1565 : consensus.enforce_BIP94 = false;
131 : 1565 : consensus.fPowNoRetargeting = false;
132 [ + - ]: 1565 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
133 : 1565 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
134 : 1565 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
135 : 1565 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
136 : 1565 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].threshold = 1815; // 90%
137 : 1565 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].period = 2016;
138 : :
139 [ + - ]: 1565 : ApplyDeploymentOptions(opts.dep_opts);
140 : :
141 : 1565 : consensus.nMinimumChainWork = uint256{"000000000000000000000000000000000000000145ec036acc5ba740052af1a0"};
142 : 1565 : consensus.defaultAssumeValid = uint256{"00000000000000000000748969ec33043c0e52a763c6dd5193861f559f2c72e3"}; // 966143
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 [ + - ]: 1565 : pchMessageStart[0] = 0xf9;
150 : 1565 : pchMessageStart[1] = 0xbe;
151 : 1565 : pchMessageStart[2] = 0xb4;
152 : 1565 : pchMessageStart[3] = 0xd9;
153 : 1565 : nDefaultPort = 8333;
154 : 1565 : nPruneAfterHeight = 100000;
155 : 1565 : m_assumed_blockchain_size = 897;
156 : 1565 : m_assumed_chain_state_size = 14;
157 : :
158 [ + - ]: 1565 : genesis = CreateGenesisBlock(1231006505, 2083236893, 0x1d00ffff, 1, 50 * COIN);
159 [ + - ]: 1565 : consensus.hashGenesisBlock = genesis.GetHash();
160 [ - + ]: 1565 : assert(consensus.hashGenesisBlock == uint256{"000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f"});
161 [ - + ]: 1565 : 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 [ + - ]: 1565 : vSeeds.emplace_back("dnsseed.bluematt.me."); // Matt Corallo, only supports x9
169 [ + - ]: 1565 : vSeeds.emplace_back("seed.bitcoin.jonasschnelli.ch."); // Jonas Schnelli, only supports x1, x5, x9, and xd
170 [ + - ]: 1565 : vSeeds.emplace_back("seed.btc.petertodd.net."); // Peter Todd, only supports x1, x5, x9, and xd
171 [ + - ]: 1565 : vSeeds.emplace_back("seed.bitcoin.sprovoost.nl."); // Sjors Provoost
172 [ + - ]: 1565 : vSeeds.emplace_back("dnsseed.emzy.de."); // Stephan Oeste
173 [ + - ]: 1565 : vSeeds.emplace_back("seed.bitcoin.wiz.biz."); // Jason Maurice
174 [ + - ]: 1565 : 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
175 : :
176 [ + - + - ]: 1565 : base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,0);
177 [ + - + - ]: 1565 : base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,5);
178 [ + - + - ]: 1565 : base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,128);
179 [ + - ]: 1565 : base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x88, 0xB2, 0x1E};
180 [ + - ]: 1565 : base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x88, 0xAD, 0xE4};
181 : :
182 [ + - ]: 1565 : bech32_hrp = "bc";
183 [ + - ]: 1565 : silent_payments_hrp = "sp";
184 : :
185 [ + - + - ]: 1565 : vFixedSeeds = std::vector<uint8_t>(std::begin(chainparams_seed_main), std::end(chainparams_seed_main));
186 : :
187 : 1565 : fDefaultConsistencyChecks = false;
188 : 1565 : m_is_mockable_chain = false;
189 : :
190 : 1565 : m_assumeutxo_data = {
191 : : {
192 : : .height = 840'000,
193 : 1565 : .hash_serialized = AssumeutxoHash{uint256{"a2a5521b1b5ab65f67818e5e8eccabb7171a517f9e2382208f77687310768f96"}},
194 : : .m_chain_tx_count = 991032194,
195 : : .blockhash = uint256{"0000000000000000000320283a032748cef8227873ff4872689bf23f1cda83a5"},
196 : : },
197 : : {
198 : : .height = 880'000,
199 : 1565 : .hash_serialized = AssumeutxoHash{uint256{"dbd190983eaf433ef7c15f78a278ae42c00ef52e0fd2a54953782175fbadcea9"}},
200 : : .m_chain_tx_count = 1145604538,
201 : : .blockhash = uint256{"000000000000000000010b17283c3c400507969a9c2afd1dcf2082ec5cca2880"},
202 : : },
203 : : {
204 : : .height = 910'000,
205 : 1565 : .hash_serialized = AssumeutxoHash{uint256{"4daf8a17b4902498c5787966a2b51c613acdab5df5db73f196fa59a4da2f1568"}},
206 : : .m_chain_tx_count = 1226586151,
207 : : .blockhash = uint256{"0000000000000000000108970acb9522ffd516eae17acddcb1bd16469194a821"},
208 : : },
209 : : {
210 : : .height = 935'000,
211 : 1565 : .hash_serialized = AssumeutxoHash{uint256{"e4b90ef9eae834f56c4b64d2d50143cee10ad87994c614d7d04125e2a6025050"}},
212 : : .m_chain_tx_count = 1305397408,
213 : : .blockhash = uint256{"0000000000000000000147034958af1652b2b91bba607beacc5e72a56f0fb5ee"},
214 : : },
215 : : {
216 : : .height = 965'000,
217 [ + - ]: 1565 : .hash_serialized = AssumeutxoHash{uint256{"4a8d794337118c0c615b574f817c7306c687584a537184b8d233df42bf477ec2"}},
218 : : .m_chain_tx_count = 1429611231,
219 : : .blockhash = uint256{"00000000000000000001595977e6000ce56129f5c9b4073e31ccc30b90b97da9"},
220 : : }
221 [ + - ]: 1565 : };
222 : :
223 : 1565 : chainTxData = ChainTxData{
224 : : // Data from RPC: getchaintxstats 4096 00000000000000000000748969ec33043c0e52a763c6dd5193861f559f2c72e3
225 : : .nTime = 1788925573,
226 : : .tx_count = 1434982600,
227 : : .dTxRate = 7.851784479579372,
228 : : };
229 : :
230 : : // Generated by headerssync-params.py on 2026-09-08.
231 : 1565 : m_headers_sync_params = HeadersSyncParams{
232 : : .commitment_period = 649,
233 : : .redownload_buffer_size = 15400, // 15400/649 = ~23.7 commitments
234 : : };
235 : 1565 : }
236 : : };
237 : :
238 : : /**
239 : : * Testnet (v3): public test network which is reset from time to time.
240 : : */
241 : 0 : class CTestNetParams : public CChainParams {
242 : : public:
243 : 847 : CTestNetParams(const TestNetOptions& opts) {
244 : 847 : m_chain_type = ChainType::TESTNET;
245 : 847 : consensus.signet_blocks = false;
246 [ - + ]: 847 : consensus.signet_challenge.clear();
247 : 847 : consensus.nSubsidyHalvingInterval = 210000;
248 : 847 : consensus.script_flag_exceptions.emplace( // BIP16 exception
249 [ + - ]: 847 : uint256{"00000000dd30457c001f4095d208cc1296b0eed002427aa599874af7a432b105"}, SCRIPT_VERIFY_NONE);
250 : 847 : consensus.BIP34Height = 21111;
251 : 847 : consensus.BIP34Hash = uint256{"0000000023b3a96d3484e5abb3755c413e7d41500f8e2a5c3f0dd01299cd8ef8"};
252 : 847 : consensus.BIP65Height = 581885; // 00000000007f6655f22f98e72ed80d8b06dc761d5da09df0fa1dc4be4f861eb6
253 : 847 : consensus.BIP66Height = 330776; // 000000002104c8c45e99a8853285a3b592602a3ccde2b832481da85e9e4ba182
254 : 847 : consensus.CSVHeight = 770112; // 00000000025e930139bac5c6c31a403776da130831ab85be56578f3fa75369bb
255 : 847 : consensus.SegwitHeight = 834624; // 00000000002b980fcd729daaa248fd9316a5200e9b367f4ff2c42453e84201ca
256 : 847 : consensus.MinBIP9WarningHeight = 2013984; // taproot activation height + miner confirmation window
257 : 847 : consensus.powLimit = uint256{"00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff"};
258 : 847 : consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
259 : 847 : consensus.nPowTargetSpacing = 10 * 60;
260 : 847 : consensus.fPowAllowMinDifficultyBlocks = true;
261 : 847 : consensus.enforce_BIP94 = false;
262 : 847 : consensus.fPowNoRetargeting = false;
263 [ + - ]: 847 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
264 : 847 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
265 : 847 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
266 : 847 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
267 : 847 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].threshold = 1512; // 75%
268 : 847 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].period = 2016;
269 : :
270 [ + - ]: 847 : ApplyDeploymentOptions(opts.dep_opts);
271 : :
272 : 847 : consensus.nMinimumChainWork = uint256{"0000000000000000000000000000000000000000000017f49f702147f10c0eb6"};
273 : 847 : consensus.defaultAssumeValid = uint256{"00000000b318a3703d14a844c55ef507f4c2fc8f8766e24271fd43c180c51637"}; // 5128859
274 : :
275 [ + - ]: 847 : pchMessageStart[0] = 0x0b;
276 : 847 : pchMessageStart[1] = 0x11;
277 : 847 : pchMessageStart[2] = 0x09;
278 : 847 : pchMessageStart[3] = 0x07;
279 : 847 : nDefaultPort = 18333;
280 : 847 : nPruneAfterHeight = 1000;
281 : 847 : m_assumed_blockchain_size = 245;
282 : 847 : m_assumed_chain_state_size = 19;
283 : :
284 [ + - ]: 847 : genesis = CreateGenesisBlock(1296688602, 414098458, 0x1d00ffff, 1, 50 * COIN);
285 [ + - ]: 847 : consensus.hashGenesisBlock = genesis.GetHash();
286 [ - + ]: 847 : assert(consensus.hashGenesisBlock == uint256{"000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943"});
287 [ - + ]: 847 : assert(genesis.hashMerkleRoot == uint256{"4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"});
288 : :
289 [ - + ]: 847 : vFixedSeeds.clear();
290 : 847 : vSeeds.clear();
291 : : // nodes with support for servicebits filtering should be at the top
292 [ + - ]: 847 : vSeeds.emplace_back("testnet-seed.bitcoin.jonasschnelli.ch.");
293 [ + - ]: 847 : vSeeds.emplace_back("seed.tbtc.petertodd.net.");
294 [ + - ]: 847 : vSeeds.emplace_back("testnet-seed.bluematt.me."); // Just a static list of stable node(s), only supports x9
295 [ + - ]: 847 : 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
296 : :
297 [ + - + - ]: 847 : base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
298 [ + - + - ]: 847 : base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
299 [ + - + - ]: 847 : base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,239);
300 [ + - ]: 847 : base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
301 [ + - ]: 847 : base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
302 : :
303 [ + - ]: 847 : bech32_hrp = "tb";
304 [ + - ]: 847 : silent_payments_hrp = "tsp";
305 : :
306 [ + - + - ]: 847 : vFixedSeeds = std::vector<uint8_t>(std::begin(chainparams_seed_test), std::end(chainparams_seed_test));
307 : :
308 : 847 : fDefaultConsistencyChecks = false;
309 : 847 : m_is_mockable_chain = false;
310 : :
311 : 847 : m_assumeutxo_data = {
312 : : {
313 : : .height = 2'500'000,
314 : 847 : .hash_serialized = AssumeutxoHash{uint256{"f841584909f68e47897952345234e37fcd9128cd818f41ee6c3ca68db8071be7"}},
315 : : .m_chain_tx_count = 66484552,
316 : : .blockhash = uint256{"0000000000000093bcb68c03a9a168ae252572d348a2eaeba2cdf9231d73206f"},
317 : : },
318 : : {
319 : : .height = 4'840'000,
320 : 847 : .hash_serialized = AssumeutxoHash{uint256{"ce6bb677bb2ee9789c4a1c9d73e6683c53fc20e8fdbedbdaaf468982a0c8db2a"}},
321 : : .m_chain_tx_count = 536078574,
322 : : .blockhash = uint256{"00000000000000f4971a7fb37fbdff89315b69a2e1920c467654a382f0d64786"},
323 : : },
324 : : {
325 : : .height = 5'125'000,
326 [ + - ]: 847 : .hash_serialized = AssumeutxoHash{uint256{"d05430f34c9b7dd7eb98c0718cdf03782bcce8273847557d68ac2efc1365d4b8"}},
327 : : .m_chain_tx_count = 536708663,
328 : : .blockhash = uint256{"00000000000009ad1946e21cb4f1a6323ee99c89017b59d5166472672b868133"},
329 : : }
330 [ + - ]: 847 : };
331 : :
332 : 847 : chainTxData = ChainTxData{
333 : : // Data from RPC: getchaintxstats 4096 00000000b318a3703d14a844c55ef507f4c2fc8f8766e24271fd43c180c51637
334 : : .nTime = 1788932318,
335 : : .tx_count = 536748780,
336 : : .dTxRate = 0.02306697351149596,
337 : : };
338 : :
339 : : // Generated by headerssync-params.py on 2026-09-08.
340 : 847 : m_headers_sync_params = HeadersSyncParams{
341 : : .commitment_period = 682,
342 : : .redownload_buffer_size = 14613, // 14613/682 = ~21.4 commitments
343 : : };
344 : 847 : }
345 : : };
346 : :
347 : : /**
348 : : * Testnet (v4): public test network which is reset from time to time.
349 : : */
350 : 0 : class CTestNet4Params : public CChainParams {
351 : : public:
352 : 815 : CTestNet4Params(const TestNetOptions& opts) {
353 : 815 : m_chain_type = ChainType::TESTNET4;
354 : 815 : consensus.signet_blocks = false;
355 [ - + ]: 815 : consensus.signet_challenge.clear();
356 : 815 : consensus.nSubsidyHalvingInterval = 210000;
357 : 815 : consensus.BIP34Height = 1;
358 : 815 : consensus.BIP34Hash = uint256{};
359 : 815 : consensus.BIP65Height = 1;
360 : 815 : consensus.BIP66Height = 1;
361 : 815 : consensus.CSVHeight = 1;
362 : 815 : consensus.SegwitHeight = 1;
363 : 815 : consensus.MinBIP9WarningHeight = 0;
364 : 815 : consensus.powLimit = uint256{"00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff"};
365 : 815 : consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
366 : 815 : consensus.nPowTargetSpacing = 10 * 60;
367 : 815 : consensus.fPowAllowMinDifficultyBlocks = true;
368 : 815 : consensus.enforce_BIP94 = true;
369 : 815 : consensus.fPowNoRetargeting = false;
370 : :
371 [ + - ]: 815 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
372 : 815 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
373 : 815 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
374 : 815 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
375 : 815 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].threshold = 1512; // 75%
376 : 815 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].period = 2016;
377 : :
378 [ + - ]: 815 : ApplyDeploymentOptions(opts.dep_opts);
379 : :
380 : 815 : consensus.nMinimumChainWork = uint256{"000000000000000000000000000000000000000000000e346a558455ade8eca9"};
381 : 815 : consensus.defaultAssumeValid = uint256{"0000000021df65b91665a342e26ceb05e54826ad7d8fcd40316230058fa3b865"}; // 151604
382 : :
383 : 815 : pchMessageStart[0] = 0x1c;
384 : 815 : pchMessageStart[1] = 0x16;
385 : 815 : pchMessageStart[2] = 0x3f;
386 : 815 : pchMessageStart[3] = 0x28;
387 : 815 : nDefaultPort = 48333;
388 : 815 : nPruneAfterHeight = 1000;
389 : 815 : m_assumed_blockchain_size = 31;
390 : 815 : m_assumed_chain_state_size = 2;
391 : :
392 : 815 : const char* testnet4_genesis_msg = "03/May/2024 000000000000000000001ebd58c244970b3aa9d783bb001011fbe8ea8e98e00e";
393 [ + - ]: 815 : const CScript testnet4_genesis_script = CScript() << "000000000000000000000000000000000000000000000000000000000000000000"_hex << OP_CHECKSIG;
394 : 1630 : genesis = CreateGenesisBlock(testnet4_genesis_msg,
395 : : testnet4_genesis_script,
396 : : 1714777860,
397 : : 393743547,
398 : : 0x1d00ffff,
399 : : 1,
400 [ + - ]: 815 : 50 * COIN);
401 [ + - ]: 815 : consensus.hashGenesisBlock = genesis.GetHash();
402 [ - + ]: 815 : assert(consensus.hashGenesisBlock == uint256{"00000000da84f2bafbbc53dee25a72ae507ff4914b867c565be350b0da8bf043"});
403 [ - + ]: 815 : assert(genesis.hashMerkleRoot == uint256{"7aa0a7ae1e223414cb807e40cd57e667b718e42aaf9306db9102fe28912b7b4e"});
404 : :
405 [ - + ]: 815 : vFixedSeeds.clear();
406 : 815 : vSeeds.clear();
407 : : // nodes with support for servicebits filtering should be at the top
408 [ + - ]: 815 : vSeeds.emplace_back("seed.testnet4.bitcoin.sprovoost.nl."); // Sjors Provoost
409 [ + - ]: 815 : vSeeds.emplace_back("seed.testnet4.wiz.biz."); // Jason Maurice
410 : :
411 [ + - + - ]: 815 : base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
412 [ + - + - ]: 815 : base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
413 [ + - + - ]: 815 : base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,239);
414 [ + - ]: 815 : base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
415 [ + - ]: 815 : base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
416 : :
417 [ + - ]: 815 : bech32_hrp = "tb";
418 [ + - ]: 815 : silent_payments_hrp = "tsp";
419 : :
420 [ + - + - ]: 815 : vFixedSeeds = std::vector<uint8_t>(std::begin(chainparams_seed_testnet4), std::end(chainparams_seed_testnet4));
421 : :
422 : 815 : fDefaultConsistencyChecks = false;
423 : 815 : m_is_mockable_chain = false;
424 : :
425 : 815 : m_assumeutxo_data = {
426 : : {
427 : : .height = 90'000,
428 : 815 : .hash_serialized = AssumeutxoHash{uint256{"784fb5e98241de66fdd429f4392155c9e7db5c017148e66e8fdbc95746f8b9b5"}},
429 : : .m_chain_tx_count = 11347043,
430 : : .blockhash = uint256{"0000000002ebe8bcda020e0dd6ccfbdfac531d2f6a81457191b99fc2df2dbe3b"},
431 : : },
432 : : {
433 : : .height = 120'000,
434 : 815 : .hash_serialized = AssumeutxoHash{uint256{"10b05d05ad468d0971162e1b222a4aa66caca89da2bb2a93f8f37fb29c4794b0"}},
435 : : .m_chain_tx_count = 14141057,
436 : : .blockhash = uint256{"000000000bd2317e51b3c5794981c35ba894ce27d3e772d5c39ecd9cbce01dc8"},
437 : : },
438 : : {
439 : : .height = 150'000,
440 [ + - ]: 815 : .hash_serialized = AssumeutxoHash{uint256{"ca068cae50679d7c947454bbe4f0e6aeec1fbe2c6c2735a08bb988623649f950"}},
441 : : .m_chain_tx_count = 14810011,
442 : : .blockhash = uint256{"0000000000d9877342754dea8ec1eb24631517d38e3443c370465ee53a8b7434"},
443 : : }
444 [ + - ]: 815 : };
445 : :
446 : 815 : chainTxData = ChainTxData{
447 : : // Data from RPC: getchaintxstats 4096 0000000021df65b91665a342e26ceb05e54826ad7d8fcd40316230058fa3b865
448 : : .nTime = 1788932739,
449 : : .tx_count = 14825119,
450 : : .dTxRate = 0.1148250171344748,
451 : : };
452 : :
453 : : // Generated by headerssync-params.py on 2026-09-08.
454 : 815 : m_headers_sync_params = HeadersSyncParams{
455 : : .commitment_period = 616,
456 : : .redownload_buffer_size = 16199, // 16199/616 = ~26.3 commitments
457 : : };
458 : 815 : }
459 : : };
460 : :
461 : : /**
462 : : * Signet: test network with an additional consensus parameter (see BIP325).
463 : : */
464 : 0 : class SigNetParams : public CChainParams {
465 : : public:
466 : 887 : explicit SigNetParams(const SigNetOptions& options)
467 : 887 : {
468 : 887 : std::vector<uint8_t> bin;
469 [ - + ]: 887 : vFixedSeeds.clear();
470 : 887 : vSeeds.clear();
471 : :
472 [ + + ]: 887 : if (!options.challenge) {
473 [ + - ]: 885 : bin = kernel::SIGNET_DEFAULT_CHALLENGE;
474 [ + - + - ]: 885 : vFixedSeeds = std::vector<uint8_t>(std::begin(chainparams_seed_signet), std::end(chainparams_seed_signet));
475 [ + - ]: 885 : vSeeds.emplace_back("seed.signet.bitcoin.sprovoost.nl.");
476 [ + - ]: 885 : 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
477 : :
478 : 885 : consensus.nMinimumChainWork = uint256{"00000000000000000000000000000000000000000000000000001090e9dc1520"};
479 : 885 : consensus.defaultAssumeValid = uint256{"00000002a5e0ba0498f1e9f4591af0b66b63c654665efe65206fd0ae7bbaf923"}; // 321295
480 : 885 : m_assumed_blockchain_size = 25;
481 : 885 : m_assumed_chain_state_size = 5;
482 : 885 : chainTxData = ChainTxData{
483 : : // Data from RPC: getchaintxstats 4096 00000002a5e0ba0498f1e9f4591af0b66b63c654665efe65206fd0ae7bbaf923
484 : : .nTime = 1788925860,
485 : : .tx_count = 32273793,
486 : : .dTxRate = 0.3977566114505673,
487 : : };
488 : : } else {
489 [ + - ]: 2 : bin = *options.challenge;
490 : 2 : consensus.nMinimumChainWork = uint256{};
491 : 2 : consensus.defaultAssumeValid = uint256{};
492 : 2 : m_assumed_blockchain_size = 0;
493 : 2 : m_assumed_chain_state_size = 0;
494 : 2 : chainTxData = ChainTxData{
495 : : 0,
496 : : 0,
497 : : 0,
498 : : };
499 [ - + + - : 2 : LogInfo("Signet with challenge %s", HexStr(bin));
+ - ]
500 : : }
501 : :
502 [ - + ]: 887 : if (options.seeds) {
503 [ # # ]: 0 : vSeeds = *options.seeds;
504 : : }
505 : :
506 : 887 : m_chain_type = ChainType::SIGNET;
507 : 887 : consensus.signet_blocks = true;
508 [ + - ]: 887 : consensus.signet_challenge.assign(bin.begin(), bin.end());
509 : 887 : consensus.nSubsidyHalvingInterval = 210000;
510 : 887 : consensus.BIP34Height = 1;
511 : 887 : consensus.BIP34Hash = uint256{};
512 : 887 : consensus.BIP65Height = 1;
513 : 887 : consensus.BIP66Height = 1;
514 : 887 : consensus.CSVHeight = 1;
515 : 887 : consensus.SegwitHeight = 1;
516 : 887 : consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
517 : 887 : consensus.nPowTargetSpacing = 10 * 60;
518 : 887 : consensus.fPowAllowMinDifficultyBlocks = false;
519 : 887 : consensus.enforce_BIP94 = false;
520 : 887 : consensus.fPowNoRetargeting = false;
521 : 887 : consensus.MinBIP9WarningHeight = 0;
522 : 887 : consensus.powLimit = uint256{"00000377ae000000000000000000000000000000000000000000000000000000"};
523 [ + - ]: 887 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
524 : 887 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
525 : 887 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
526 : 887 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
527 : 887 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].threshold = 1815; // 90%
528 : 887 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].period = 2016;
529 : :
530 [ + - ]: 887 : ApplyDeploymentOptions(options.dep_opts);
531 : :
532 [ + - ]: 887 : pchMessageStart = kernel::GetSignetMessageStart(consensus.signet_challenge);
533 : :
534 : 887 : nDefaultPort = 38333;
535 : 887 : nPruneAfterHeight = 1000;
536 : :
537 [ + - ]: 887 : genesis = CreateGenesisBlock(1598918400, 52613770, 0x1e0377ae, 1, 50 * COIN);
538 [ + - ]: 887 : consensus.hashGenesisBlock = genesis.GetHash();
539 [ - + ]: 887 : assert(consensus.hashGenesisBlock == uint256{"00000008819873e925422c1ff0f99f7cc9bbb232af63a077a480a3633bee1ef6"});
540 [ - + ]: 887 : assert(genesis.hashMerkleRoot == uint256{"4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"});
541 : :
542 : 887 : m_assumeutxo_data = {
543 : : {
544 : : .height = 160'000,
545 : 887 : .hash_serialized = AssumeutxoHash{uint256{"fe0a44309b74d6b5883d246cb419c6221bcccf0b308c9b59b7d70783dbdf928a"}},
546 : : .m_chain_tx_count = 2289496,
547 : : .blockhash = uint256{"0000003ca3c99aff040f2563c2ad8f8ec88bd0fd6b8f0895cfaf1ef90353a62c"},
548 : : },
549 : : {
550 : : .height = 290'000,
551 : 887 : .hash_serialized = AssumeutxoHash{uint256{"97267e000b4b876800167e71b9123f1529d13b14308abec2888bbd2160d14545"}},
552 : : .m_chain_tx_count = 28547497,
553 : : .blockhash = uint256{"0000000577f2741bb30cd9d39d6d71b023afbeb9764f6260786a97969d5c9ac0"},
554 : : },
555 : : {
556 : : .height = 320'000,
557 [ + - ]: 887 : .hash_serialized = AssumeutxoHash{uint256{"1aaf72ecb376cc16957fbb8d5d406bfd6e3165510e2fc83879b6d14cd20b4462"}},
558 : : .m_chain_tx_count = 32079110,
559 : : .blockhash = uint256{"0000000740ae66b284da84387dcfa14d7b1385b0bad482005ba4e770ea6c4b95"},
560 : : }
561 [ + - ]: 887 : };
562 : :
563 [ + - + - ]: 887 : base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
564 [ + - + - ]: 887 : base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
565 [ + - + - ]: 887 : base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,239);
566 [ + - ]: 887 : base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
567 [ + - ]: 887 : base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
568 : :
569 [ + - ]: 887 : bech32_hrp = "tb";
570 [ + - ]: 887 : silent_payments_hrp = "tsp";
571 : :
572 : 887 : fDefaultConsistencyChecks = false;
573 : 887 : m_is_mockable_chain = false;
574 : :
575 : : // Generated by headerssync-params.py on 2026-09-08.
576 : 887 : m_headers_sync_params = HeadersSyncParams{
577 : : .commitment_period = 629,
578 : : .redownload_buffer_size = 15885, // 15885/629 = ~25.3 commitments
579 : : };
580 : 887 : }
581 : : };
582 : :
583 : : /**
584 : : * Regression test: intended for private networks only. Has minimal difficulty to ensure that
585 : : * blocks can be found instantly.
586 : : */
587 : 0 : class CRegTestParams : public CChainParams
588 : : {
589 : : public:
590 : 1003 : explicit CRegTestParams(const RegTestOptions& opts)
591 : 1003 : {
592 : 1003 : m_chain_type = ChainType::REGTEST;
593 : 1003 : consensus.signet_blocks = false;
594 [ - + ]: 1003 : consensus.signet_challenge.clear();
595 : 1003 : consensus.nSubsidyHalvingInterval = 150;
596 : 1003 : consensus.BIP34Height = 1; // Always active unless overridden
597 : 1003 : consensus.BIP34Hash = uint256();
598 : 1003 : consensus.BIP65Height = 1; // Always active unless overridden
599 : 1003 : consensus.BIP66Height = 1; // Always active unless overridden
600 : 1003 : consensus.CSVHeight = 1; // Always active unless overridden
601 : 1003 : consensus.SegwitHeight = 0; // Always active unless overridden
602 : 1003 : consensus.MinBIP9WarningHeight = 0;
603 : 1003 : consensus.powLimit = uint256{"7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"};
604 : 1003 : consensus.nPowTargetTimespan = 24 * 60 * 60; // one day
605 : 1003 : consensus.nPowTargetSpacing = 10 * 60;
606 : 1003 : consensus.fPowAllowMinDifficultyBlocks = true;
607 : 1003 : consensus.enforce_BIP94 = opts.enforce_bip94;
608 : 1003 : consensus.fPowNoRetargeting = true;
609 : :
610 [ + - ]: 1003 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
611 : 1003 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = 0;
612 : 1003 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
613 : 1003 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
614 : 1003 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].threshold = 108; // 75%
615 : 1003 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].period = 144; // Faster than normal for regtest (144 instead of 2016)
616 : :
617 : 1003 : consensus.nMinimumChainWork = uint256{};
618 : 1003 : consensus.defaultAssumeValid = uint256{};
619 : :
620 : 1003 : pchMessageStart[0] = 0xfa;
621 : 1003 : pchMessageStart[1] = 0xbf;
622 : 1003 : pchMessageStart[2] = 0xb5;
623 : 1003 : pchMessageStart[3] = 0xda;
624 : 1003 : nDefaultPort = 18444;
625 [ + - ]: 1003 : nPruneAfterHeight = opts.fastprune ? 100 : 1000;
626 : 1003 : m_assumed_blockchain_size = 0;
627 : 1003 : m_assumed_chain_state_size = 0;
628 : :
629 [ + - ]: 1003 : ApplyDeploymentOptions(opts.dep_opts);
630 : :
631 [ + - ]: 1003 : genesis = CreateGenesisBlock(1296688602, 2, 0x207fffff, 1, 50 * COIN);
632 [ + - ]: 1003 : consensus.hashGenesisBlock = genesis.GetHash();
633 [ - + ]: 1003 : assert(consensus.hashGenesisBlock == uint256{"0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206"});
634 [ - + ]: 1003 : assert(genesis.hashMerkleRoot == uint256{"4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"});
635 : :
636 [ - + ]: 1003 : vFixedSeeds.clear(); //!< Regtest mode doesn't have any fixed seeds.
637 : 1003 : vSeeds.clear();
638 [ + - ]: 1003 : vSeeds.emplace_back("dummySeed.invalid.");
639 : :
640 : 1003 : fDefaultConsistencyChecks = true;
641 : 1003 : m_is_mockable_chain = true;
642 : :
643 : 1003 : m_assumeutxo_data = {
644 : : { // For use by unit tests
645 : : .height = 110,
646 : 1003 : .hash_serialized = AssumeutxoHash{uint256{"86e9a1205b418b16dde3a18a78c730e30137e28466bda5dbf6b33ab8fc05447c"}},
647 : : .m_chain_tx_count = 111,
648 : : .blockhash = uint256{"135eec25a6fb277884e5824e7aa7d052c4868161c99a5122170b5266f86c273d"},
649 : : },
650 : : {
651 : : // For use by fuzz target src/test/fuzz/utxo_snapshot.cpp
652 : : .height = 200,
653 : 1003 : .hash_serialized = AssumeutxoHash{uint256{"17dcc016d188d16068907cdeb38b75691a118d43053b8cd6a25969419381d13a"}},
654 : : .m_chain_tx_count = 201,
655 : : .blockhash = uint256{"385901ccbd69dff6bbd00065d01fb8a9e464dede7cfe0372443884f9b1dcf6b9"},
656 : : },
657 : : {
658 : : // For use by test/functional/feature_assumeutxo.py and test/functional/tool_bitcoin_chainstate.py
659 : : .height = 299,
660 [ + - ]: 1003 : .hash_serialized = AssumeutxoHash{uint256{"106b2c56233e378a824cf0d5ff2be42ed32c72f1605c9be288d00942908a40ac"}},
661 : : .m_chain_tx_count = 334,
662 : : .blockhash = uint256{"0c552ced4721c249a389eb9b08cb8da261cd46f0e7b5f9d064d48f3113406853"},
663 : : },
664 [ + - ]: 1003 : };
665 : :
666 : 1003 : chainTxData = ChainTxData{
667 : : .nTime = 0,
668 : : .tx_count = 0,
669 : : .dTxRate = 0.001, // Set a non-zero rate to make it testable
670 : : };
671 : :
672 [ + - + - ]: 1003 : base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
673 [ + - + - ]: 1003 : base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
674 [ + - + - ]: 1003 : base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,239);
675 [ + - ]: 1003 : base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
676 [ + - ]: 1003 : base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
677 : :
678 [ + - ]: 1003 : bech32_hrp = "bcrt";
679 [ + - ]: 1003 : silent_payments_hrp = "sprt";
680 : :
681 : : // Copied from Testnet4.
682 : 1003 : m_headers_sync_params = HeadersSyncParams{
683 : : .commitment_period = 275,
684 : : .redownload_buffer_size = 7017, // 7017/275 = ~25.5 commitments
685 : : };
686 : 1003 : }
687 : : };
688 : :
689 : 887 : std::unique_ptr<const CChainParams> CChainParams::SigNet(const SigNetOptions& options)
690 : : {
691 : 887 : return std::make_unique<const SigNetParams>(options);
692 : : }
693 : :
694 : 1003 : std::unique_ptr<const CChainParams> CChainParams::RegTest(const RegTestOptions& options)
695 : : {
696 : 1003 : return std::make_unique<const CRegTestParams>(options);
697 : : }
698 : :
699 : 1565 : std::unique_ptr<const CChainParams> CChainParams::Main(const MainNetOptions& options)
700 : : {
701 : 1565 : return std::make_unique<const CMainParams>(options);
702 : : }
703 : :
704 : 847 : std::unique_ptr<const CChainParams> CChainParams::TestNet(const TestNetOptions& options)
705 : : {
706 : 847 : return std::make_unique<const CTestNetParams>(options);
707 : : }
708 : :
709 : 815 : std::unique_ptr<const CChainParams> CChainParams::TestNet4(const TestNetOptions& options)
710 : : {
711 : 815 : return std::make_unique<const CTestNet4Params>(options);
712 : : }
713 : :
714 : 12 : std::vector<int> CChainParams::GetAvailableSnapshotHeights() const
715 : : {
716 : 12 : std::vector<int> heights;
717 [ - + + - ]: 12 : heights.reserve(m_assumeutxo_data.size());
718 : :
719 [ + + ]: 48 : for (const auto& data : m_assumeutxo_data) {
720 [ + - ]: 36 : heights.emplace_back(data.height);
721 : : }
722 : 12 : return heights;
723 : 0 : }
724 : :
725 : 0 : std::optional<ChainType> GetNetworkForMagic(const MessageStartChars& message)
726 : : {
727 : 0 : const auto mainnet_msg = CChainParams::Main()->MessageStart();
728 : 0 : const auto testnet_msg = CChainParams::TestNet()->MessageStart();
729 : 0 : const auto testnet4_msg = CChainParams::TestNet4()->MessageStart();
730 : 0 : const auto regtest_msg = CChainParams::RegTest()->MessageStart();
731 : 0 : const auto signet_msg = CChainParams::SigNet()->MessageStart();
732 : :
733 [ # # ]: 0 : if (std::ranges::equal(message, mainnet_msg)) {
734 : 0 : return ChainType::MAIN;
735 [ # # ]: 0 : } else if (std::ranges::equal(message, testnet_msg)) {
736 : 0 : return ChainType::TESTNET;
737 [ # # ]: 0 : } else if (std::ranges::equal(message, testnet4_msg)) {
738 : 0 : return ChainType::TESTNET4;
739 [ # # ]: 0 : } else if (std::ranges::equal(message, regtest_msg)) {
740 : 0 : return ChainType::REGTEST;
741 [ # # ]: 0 : } else if (std::ranges::equal(message, signet_msg)) {
742 : 0 : return ChainType::SIGNET;
743 : : }
744 : 0 : return std::nullopt;
745 : : }
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