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 : 9363 : 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 : 9363 : CMutableTransaction txNew;
40 : 9363 : txNew.version = 1;
41 [ + - ]: 9363 : txNew.vin.resize(1);
42 [ + - ]: 9363 : txNew.vout.resize(1);
43 [ + - + - : 18726 : txNew.vin[0].scriptSig = CScript() << 486604799 << CScriptNum(4) << std::vector<unsigned char>((const unsigned char*)pszTimestamp, (const unsigned char*)pszTimestamp + strlen(pszTimestamp));
+ - ]
44 : 9363 : txNew.vout[0].nValue = genesisReward;
45 : 9363 : txNew.vout[0].scriptPubKey = genesisOutputScript;
46 : :
47 : 9363 : CBlock genesis;
48 : 9363 : genesis.nTime = nTime;
49 : 9363 : genesis.nBits = nBits;
50 : 9363 : genesis.nNonce = nNonce;
51 : 9363 : genesis.nVersion = nVersion;
52 [ + - + - : 18726 : genesis.vtx.push_back(MakeTransactionRef(std::move(txNew)));
- + ]
53 : 9363 : genesis.hashPrevBlock.SetNull();
54 [ + - ]: 9363 : genesis.hashMerkleRoot = BlockMerkleRoot(genesis);
55 : 9363 : return genesis;
56 : 9363 : }
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 : 7790 : static CBlock CreateGenesisBlock(uint32_t nTime, uint32_t nNonce, uint32_t nBits, int32_t nVersion, const CAmount& genesisReward)
70 : : {
71 : 7790 : const char* pszTimestamp = "The Times 03/Jan/2009 Chancellor on brink of second bailout for banks";
72 [ + - ]: 7790 : const CScript genesisOutputScript = CScript() << "04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f"_hex << OP_CHECKSIG;
73 [ + - ]: 7790 : return CreateGenesisBlock(pszTimestamp, genesisOutputScript, nTime, nNonce, nBits, nVersion, genesisReward);
74 : 7790 : }
75 : :
76 : 9363 : void CChainParams::ApplyDeploymentOptions(const DeploymentOptions& opts)
77 : : {
78 [ + + - + : 10739 : for (const auto& [dep, height] : opts.activation_heights) {
- - - - ]
79 [ - + - - : 1376 : switch (dep) {
- - ]
80 : 0 : case Consensus::BuriedDeployment::DEPLOYMENT_SEGWIT:
81 : 0 : consensus.SegwitHeight = int{height};
82 : 0 : break;
83 : 1376 : case Consensus::BuriedDeployment::DEPLOYMENT_HEIGHTINCB:
84 : 1376 : consensus.BIP34Height = int{height};
85 : 1376 : 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 [ - + ]: 9363 : 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 : 9363 : }
104 : :
105 : : /**
106 : : * Main network on which people trade goods and services.
107 : : */
108 : 0 : class CMainParams : public CChainParams {
109 : : public:
110 : 1586 : CMainParams(const MainNetOptions& opts) {
111 : 1586 : m_chain_type = ChainType::MAIN;
112 : 1586 : consensus.signet_blocks = false;
113 [ - + ]: 1586 : consensus.signet_challenge.clear();
114 : 1586 : consensus.nSubsidyHalvingInterval = 210000;
115 : 1586 : consensus.script_flag_exceptions.emplace( // BIP16 exception
116 [ + - ]: 1586 : uint256{"00000000000002dc756eebf4f49723ed8d30cc28a5f108eb94b1ba88ac4f9c22"}, SCRIPT_VERIFY_NONE);
117 : 1586 : consensus.script_flag_exceptions.emplace( // Taproot exception
118 [ + - ]: 1586 : uint256{"0000000000000000000f14c35b2d841e986ab5441de8c585d5ffe55ea1e395ad"}, SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_WITNESS);
119 : 1586 : consensus.BIP34Height = 227931;
120 : 1586 : consensus.BIP34Hash = uint256{"000000000000024b89b42a942fe0d9fea3bb44ab7bd1b19115dd6a759c0808b8"};
121 : 1586 : consensus.BIP65Height = 388381; // 000000000000000004c2b624ed5d7756c508d90fd0da2c7c679febfa6c4735f0
122 : 1586 : consensus.BIP66Height = 363725; // 00000000000000000379eaa19dce8c9b722d46ae6a57c2f1a988119488b50931
123 : 1586 : consensus.CSVHeight = 419328; // 000000000000000004a1b34462cb8aeebd5799177f7a29cf28f2d1961716b5b5
124 : 1586 : consensus.SegwitHeight = 481824; // 0000000000000000001c8018d9cb3b742ef25114f27563e3fc4a1902167f9893
125 : 1586 : consensus.MinBIP9WarningHeight = 711648; // taproot activation height + miner confirmation window
126 : 1586 : consensus.powLimit = uint256{"00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff"};
127 : 1586 : consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
128 : 1586 : consensus.nPowTargetSpacing = 10 * 60;
129 : 1586 : consensus.fPowAllowMinDifficultyBlocks = false;
130 : 1586 : consensus.enforce_BIP94 = false;
131 : 1586 : consensus.fPowNoRetargeting = false;
132 [ + - ]: 1586 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
133 : 1586 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
134 : 1586 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
135 : 1586 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
136 : 1586 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].threshold = 1815; // 90%
137 : 1586 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].period = 2016;
138 : :
139 [ + - ]: 1586 : ApplyDeploymentOptions(opts.dep_opts);
140 : :
141 : 1586 : consensus.nMinimumChainWork = uint256{"000000000000000000000000000000000000000145ec036acc5ba740052af1a0"};
142 : 1586 : 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 [ + - ]: 1586 : pchMessageStart[0] = 0xf9;
150 : 1586 : pchMessageStart[1] = 0xbe;
151 : 1586 : pchMessageStart[2] = 0xb4;
152 : 1586 : pchMessageStart[3] = 0xd9;
153 : 1586 : nDefaultPort = 8333;
154 : 1586 : nPruneAfterHeight = 100000;
155 : 1586 : m_assumed_blockchain_size = 897;
156 : 1586 : m_assumed_chain_state_size = 14;
157 : :
158 [ + - ]: 1586 : genesis = CreateGenesisBlock(1231006505, 2083236893, 0x1d00ffff, 1, 50 * COIN);
159 [ + - ]: 1586 : consensus.hashGenesisBlock = genesis.GetHash();
160 [ - + ]: 1586 : assert(consensus.hashGenesisBlock == uint256{"000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f"});
161 [ - + ]: 1586 : 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 [ + - ]: 1586 : vSeeds.emplace_back("dnsseed.bluematt.me."); // Matt Corallo, only supports x9
169 [ + - ]: 1586 : vSeeds.emplace_back("seed.bitcoin.jonasschnelli.ch."); // Jonas Schnelli, only supports x1, x5, x9, and xd
170 [ + - ]: 1586 : vSeeds.emplace_back("seed.btc.petertodd.net."); // Peter Todd, only supports x1, x5, x9, and xd
171 [ + - ]: 1586 : vSeeds.emplace_back("seed.bitcoin.sprovoost.nl."); // Sjors Provoost
172 [ + - ]: 1586 : vSeeds.emplace_back("dnsseed.emzy.de."); // Stephan Oeste
173 [ + - ]: 1586 : vSeeds.emplace_back("seed.bitcoin.wiz.biz."); // Jason Maurice
174 [ + - ]: 1586 : 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 [ + - + - ]: 1586 : base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,0);
177 [ + - + - ]: 1586 : base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,5);
178 [ + - + - ]: 1586 : base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,128);
179 [ + - ]: 1586 : base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x88, 0xB2, 0x1E};
180 [ + - ]: 1586 : base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x88, 0xAD, 0xE4};
181 : :
182 [ + - ]: 1586 : bech32_hrp = "bc";
183 : :
184 [ + - + - ]: 1586 : vFixedSeeds = std::vector<uint8_t>(std::begin(chainparams_seed_main), std::end(chainparams_seed_main));
185 : :
186 : 1586 : fDefaultConsistencyChecks = false;
187 : 1586 : m_is_mockable_chain = false;
188 : :
189 : 1586 : m_assumeutxo_data = {
190 : : {
191 : : .height = 840'000,
192 : 1586 : .hash_serialized = AssumeutxoHash{uint256{"a2a5521b1b5ab65f67818e5e8eccabb7171a517f9e2382208f77687310768f96"}},
193 : : .m_chain_tx_count = 991032194,
194 : : .blockhash = uint256{"0000000000000000000320283a032748cef8227873ff4872689bf23f1cda83a5"},
195 : : },
196 : : {
197 : : .height = 880'000,
198 : 1586 : .hash_serialized = AssumeutxoHash{uint256{"dbd190983eaf433ef7c15f78a278ae42c00ef52e0fd2a54953782175fbadcea9"}},
199 : : .m_chain_tx_count = 1145604538,
200 : : .blockhash = uint256{"000000000000000000010b17283c3c400507969a9c2afd1dcf2082ec5cca2880"},
201 : : },
202 : : {
203 : : .height = 910'000,
204 : 1586 : .hash_serialized = AssumeutxoHash{uint256{"4daf8a17b4902498c5787966a2b51c613acdab5df5db73f196fa59a4da2f1568"}},
205 : : .m_chain_tx_count = 1226586151,
206 : : .blockhash = uint256{"0000000000000000000108970acb9522ffd516eae17acddcb1bd16469194a821"},
207 : : },
208 : : {
209 : : .height = 935'000,
210 : 1586 : .hash_serialized = AssumeutxoHash{uint256{"e4b90ef9eae834f56c4b64d2d50143cee10ad87994c614d7d04125e2a6025050"}},
211 : : .m_chain_tx_count = 1305397408,
212 : : .blockhash = uint256{"0000000000000000000147034958af1652b2b91bba607beacc5e72a56f0fb5ee"},
213 : : },
214 : : {
215 : : .height = 965'000,
216 [ + - ]: 1586 : .hash_serialized = AssumeutxoHash{uint256{"4a8d794337118c0c615b574f817c7306c687584a537184b8d233df42bf477ec2"}},
217 : : .m_chain_tx_count = 1429611231,
218 : : .blockhash = uint256{"00000000000000000001595977e6000ce56129f5c9b4073e31ccc30b90b97da9"},
219 : : }
220 [ + - ]: 1586 : };
221 : :
222 : 1586 : chainTxData = ChainTxData{
223 : : // Data from RPC: getchaintxstats 4096 00000000000000000000748969ec33043c0e52a763c6dd5193861f559f2c72e3
224 : : .nTime = 1788925573,
225 : : .tx_count = 1434982600,
226 : : .dTxRate = 7.851784479579372,
227 : : };
228 : :
229 : : // Generated by headerssync-params.py on 2026-09-08.
230 : 1586 : m_headers_sync_params = HeadersSyncParams{
231 : : .commitment_period = 649,
232 : : .redownload_buffer_size = 15400, // 15400/649 = ~23.7 commitments
233 : : };
234 : 1586 : }
235 : : };
236 : :
237 : : /**
238 : : * Testnet (v3): public test network which is reset from time to time.
239 : : */
240 : 0 : class CTestNetParams : public CChainParams {
241 : : public:
242 : 1573 : CTestNetParams(const TestNetOptions& opts) {
243 : 1573 : m_chain_type = ChainType::TESTNET;
244 : 1573 : consensus.signet_blocks = false;
245 [ - + ]: 1573 : consensus.signet_challenge.clear();
246 : 1573 : consensus.nSubsidyHalvingInterval = 210000;
247 : 1573 : consensus.script_flag_exceptions.emplace( // BIP16 exception
248 [ + - ]: 1573 : uint256{"00000000dd30457c001f4095d208cc1296b0eed002427aa599874af7a432b105"}, SCRIPT_VERIFY_NONE);
249 : 1573 : consensus.BIP34Height = 21111;
250 : 1573 : consensus.BIP34Hash = uint256{"0000000023b3a96d3484e5abb3755c413e7d41500f8e2a5c3f0dd01299cd8ef8"};
251 : 1573 : consensus.BIP65Height = 581885; // 00000000007f6655f22f98e72ed80d8b06dc761d5da09df0fa1dc4be4f861eb6
252 : 1573 : consensus.BIP66Height = 330776; // 000000002104c8c45e99a8853285a3b592602a3ccde2b832481da85e9e4ba182
253 : 1573 : consensus.CSVHeight = 770112; // 00000000025e930139bac5c6c31a403776da130831ab85be56578f3fa75369bb
254 : 1573 : consensus.SegwitHeight = 834624; // 00000000002b980fcd729daaa248fd9316a5200e9b367f4ff2c42453e84201ca
255 : 1573 : consensus.MinBIP9WarningHeight = 2013984; // taproot activation height + miner confirmation window
256 : 1573 : consensus.powLimit = uint256{"00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff"};
257 : 1573 : consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
258 : 1573 : consensus.nPowTargetSpacing = 10 * 60;
259 : 1573 : consensus.fPowAllowMinDifficultyBlocks = true;
260 : 1573 : consensus.enforce_BIP94 = false;
261 : 1573 : consensus.fPowNoRetargeting = false;
262 [ + - ]: 1573 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
263 : 1573 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
264 : 1573 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
265 : 1573 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
266 : 1573 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].threshold = 1512; // 75%
267 : 1573 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].period = 2016;
268 : :
269 [ + - ]: 1573 : ApplyDeploymentOptions(opts.dep_opts);
270 : :
271 : 1573 : consensus.nMinimumChainWork = uint256{"0000000000000000000000000000000000000000000017f49f702147f10c0eb6"};
272 : 1573 : consensus.defaultAssumeValid = uint256{"00000000b318a3703d14a844c55ef507f4c2fc8f8766e24271fd43c180c51637"}; // 5128859
273 : :
274 [ + - ]: 1573 : pchMessageStart[0] = 0x0b;
275 : 1573 : pchMessageStart[1] = 0x11;
276 : 1573 : pchMessageStart[2] = 0x09;
277 : 1573 : pchMessageStart[3] = 0x07;
278 : 1573 : nDefaultPort = 18333;
279 : 1573 : nPruneAfterHeight = 1000;
280 : 1573 : m_assumed_blockchain_size = 245;
281 : 1573 : m_assumed_chain_state_size = 19;
282 : :
283 [ + - ]: 1573 : genesis = CreateGenesisBlock(1296688602, 414098458, 0x1d00ffff, 1, 50 * COIN);
284 [ + - ]: 1573 : consensus.hashGenesisBlock = genesis.GetHash();
285 [ - + ]: 1573 : assert(consensus.hashGenesisBlock == uint256{"000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943"});
286 [ - + ]: 1573 : assert(genesis.hashMerkleRoot == uint256{"4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"});
287 : :
288 [ - + ]: 1573 : vFixedSeeds.clear();
289 : 1573 : vSeeds.clear();
290 : : // nodes with support for servicebits filtering should be at the top
291 [ + - ]: 1573 : vSeeds.emplace_back("testnet-seed.bitcoin.jonasschnelli.ch.");
292 [ + - ]: 1573 : vSeeds.emplace_back("seed.tbtc.petertodd.net.");
293 [ + - ]: 1573 : vSeeds.emplace_back("testnet-seed.bluematt.me."); // Just a static list of stable node(s), only supports x9
294 [ + - ]: 1573 : 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
295 : :
296 [ + - + - ]: 1573 : base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
297 [ + - + - ]: 1573 : base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
298 [ + - + - ]: 1573 : base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,239);
299 [ + - ]: 1573 : base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
300 [ + - ]: 1573 : base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
301 : :
302 [ + - ]: 1573 : bech32_hrp = "tb";
303 : :
304 [ + - + - ]: 1573 : vFixedSeeds = std::vector<uint8_t>(std::begin(chainparams_seed_test), std::end(chainparams_seed_test));
305 : :
306 : 1573 : fDefaultConsistencyChecks = false;
307 : 1573 : m_is_mockable_chain = false;
308 : :
309 : 1573 : m_assumeutxo_data = {
310 : : {
311 : : .height = 2'500'000,
312 : 1573 : .hash_serialized = AssumeutxoHash{uint256{"f841584909f68e47897952345234e37fcd9128cd818f41ee6c3ca68db8071be7"}},
313 : : .m_chain_tx_count = 66484552,
314 : : .blockhash = uint256{"0000000000000093bcb68c03a9a168ae252572d348a2eaeba2cdf9231d73206f"},
315 : : },
316 : : {
317 : : .height = 4'840'000,
318 : 1573 : .hash_serialized = AssumeutxoHash{uint256{"ce6bb677bb2ee9789c4a1c9d73e6683c53fc20e8fdbedbdaaf468982a0c8db2a"}},
319 : : .m_chain_tx_count = 536078574,
320 : : .blockhash = uint256{"00000000000000f4971a7fb37fbdff89315b69a2e1920c467654a382f0d64786"},
321 : : },
322 : : {
323 : : .height = 5'125'000,
324 [ + - ]: 1573 : .hash_serialized = AssumeutxoHash{uint256{"d05430f34c9b7dd7eb98c0718cdf03782bcce8273847557d68ac2efc1365d4b8"}},
325 : : .m_chain_tx_count = 536708663,
326 : : .blockhash = uint256{"00000000000009ad1946e21cb4f1a6323ee99c89017b59d5166472672b868133"},
327 : : }
328 [ + - ]: 1573 : };
329 : :
330 : 1573 : chainTxData = ChainTxData{
331 : : // Data from RPC: getchaintxstats 4096 00000000b318a3703d14a844c55ef507f4c2fc8f8766e24271fd43c180c51637
332 : : .nTime = 1788932318,
333 : : .tx_count = 536748780,
334 : : .dTxRate = 0.02306697351149596,
335 : : };
336 : :
337 : : // Generated by headerssync-params.py on 2026-09-08.
338 : 1573 : m_headers_sync_params = HeadersSyncParams{
339 : : .commitment_period = 682,
340 : : .redownload_buffer_size = 14613, // 14613/682 = ~21.4 commitments
341 : : };
342 : 1573 : }
343 : : };
344 : :
345 : : /**
346 : : * Testnet (v4): public test network which is reset from time to time.
347 : : */
348 : 0 : class CTestNet4Params : public CChainParams {
349 : : public:
350 : 1573 : CTestNet4Params(const TestNetOptions& opts) {
351 : 1573 : m_chain_type = ChainType::TESTNET4;
352 : 1573 : consensus.signet_blocks = false;
353 [ - + ]: 1573 : consensus.signet_challenge.clear();
354 : 1573 : consensus.nSubsidyHalvingInterval = 210000;
355 : 1573 : consensus.BIP34Height = 1;
356 : 1573 : consensus.BIP34Hash = uint256{};
357 : 1573 : consensus.BIP65Height = 1;
358 : 1573 : consensus.BIP66Height = 1;
359 : 1573 : consensus.CSVHeight = 1;
360 : 1573 : consensus.SegwitHeight = 1;
361 : 1573 : consensus.MinBIP9WarningHeight = 0;
362 : 1573 : consensus.powLimit = uint256{"00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff"};
363 : 1573 : consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
364 : 1573 : consensus.nPowTargetSpacing = 10 * 60;
365 : 1573 : consensus.fPowAllowMinDifficultyBlocks = true;
366 : 1573 : consensus.enforce_BIP94 = true;
367 : 1573 : consensus.fPowNoRetargeting = false;
368 : :
369 [ + - ]: 1573 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
370 : 1573 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
371 : 1573 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
372 : 1573 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
373 : 1573 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].threshold = 1512; // 75%
374 : 1573 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].period = 2016;
375 : :
376 [ + - ]: 1573 : ApplyDeploymentOptions(opts.dep_opts);
377 : :
378 : 1573 : consensus.nMinimumChainWork = uint256{"000000000000000000000000000000000000000000000e346a558455ade8eca9"};
379 : 1573 : consensus.defaultAssumeValid = uint256{"0000000021df65b91665a342e26ceb05e54826ad7d8fcd40316230058fa3b865"}; // 151604
380 : :
381 : 1573 : pchMessageStart[0] = 0x1c;
382 : 1573 : pchMessageStart[1] = 0x16;
383 : 1573 : pchMessageStart[2] = 0x3f;
384 : 1573 : pchMessageStart[3] = 0x28;
385 : 1573 : nDefaultPort = 48333;
386 : 1573 : nPruneAfterHeight = 1000;
387 : 1573 : m_assumed_blockchain_size = 31;
388 : 1573 : m_assumed_chain_state_size = 2;
389 : :
390 : 1573 : const char* testnet4_genesis_msg = "03/May/2024 000000000000000000001ebd58c244970b3aa9d783bb001011fbe8ea8e98e00e";
391 [ + - ]: 1573 : const CScript testnet4_genesis_script = CScript() << "000000000000000000000000000000000000000000000000000000000000000000"_hex << OP_CHECKSIG;
392 : 3146 : genesis = CreateGenesisBlock(testnet4_genesis_msg,
393 : : testnet4_genesis_script,
394 : : 1714777860,
395 : : 393743547,
396 : : 0x1d00ffff,
397 : : 1,
398 [ + - ]: 1573 : 50 * COIN);
399 [ + - ]: 1573 : consensus.hashGenesisBlock = genesis.GetHash();
400 [ - + ]: 1573 : assert(consensus.hashGenesisBlock == uint256{"00000000da84f2bafbbc53dee25a72ae507ff4914b867c565be350b0da8bf043"});
401 [ - + ]: 1573 : assert(genesis.hashMerkleRoot == uint256{"7aa0a7ae1e223414cb807e40cd57e667b718e42aaf9306db9102fe28912b7b4e"});
402 : :
403 [ - + ]: 1573 : vFixedSeeds.clear();
404 : 1573 : vSeeds.clear();
405 : : // nodes with support for servicebits filtering should be at the top
406 [ + - ]: 1573 : vSeeds.emplace_back("seed.testnet4.bitcoin.sprovoost.nl."); // Sjors Provoost
407 [ + - ]: 1573 : vSeeds.emplace_back("seed.testnet4.wiz.biz."); // Jason Maurice
408 : :
409 [ + - + - ]: 1573 : base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
410 [ + - + - ]: 1573 : base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
411 [ + - + - ]: 1573 : base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,239);
412 [ + - ]: 1573 : base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
413 [ + - ]: 1573 : base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
414 : :
415 [ + - ]: 1573 : bech32_hrp = "tb";
416 : :
417 [ + - + - ]: 1573 : vFixedSeeds = std::vector<uint8_t>(std::begin(chainparams_seed_testnet4), std::end(chainparams_seed_testnet4));
418 : :
419 : 1573 : fDefaultConsistencyChecks = false;
420 : 1573 : m_is_mockable_chain = false;
421 : :
422 : 1573 : m_assumeutxo_data = {
423 : : {
424 : : .height = 90'000,
425 : 1573 : .hash_serialized = AssumeutxoHash{uint256{"784fb5e98241de66fdd429f4392155c9e7db5c017148e66e8fdbc95746f8b9b5"}},
426 : : .m_chain_tx_count = 11347043,
427 : : .blockhash = uint256{"0000000002ebe8bcda020e0dd6ccfbdfac531d2f6a81457191b99fc2df2dbe3b"},
428 : : },
429 : : {
430 : : .height = 120'000,
431 : 1573 : .hash_serialized = AssumeutxoHash{uint256{"10b05d05ad468d0971162e1b222a4aa66caca89da2bb2a93f8f37fb29c4794b0"}},
432 : : .m_chain_tx_count = 14141057,
433 : : .blockhash = uint256{"000000000bd2317e51b3c5794981c35ba894ce27d3e772d5c39ecd9cbce01dc8"},
434 : : },
435 : : {
436 : : .height = 150'000,
437 [ + - ]: 1573 : .hash_serialized = AssumeutxoHash{uint256{"ca068cae50679d7c947454bbe4f0e6aeec1fbe2c6c2735a08bb988623649f950"}},
438 : : .m_chain_tx_count = 14810011,
439 : : .blockhash = uint256{"0000000000d9877342754dea8ec1eb24631517d38e3443c370465ee53a8b7434"},
440 : : }
441 [ + - ]: 1573 : };
442 : :
443 : 1573 : chainTxData = ChainTxData{
444 : : // Data from RPC: getchaintxstats 4096 0000000021df65b91665a342e26ceb05e54826ad7d8fcd40316230058fa3b865
445 : : .nTime = 1788932739,
446 : : .tx_count = 14825119,
447 : : .dTxRate = 0.1148250171344748,
448 : : };
449 : :
450 : : // Generated by headerssync-params.py on 2026-09-08.
451 : 1573 : m_headers_sync_params = HeadersSyncParams{
452 : : .commitment_period = 616,
453 : : .redownload_buffer_size = 16199, // 16199/616 = ~26.3 commitments
454 : : };
455 : 1573 : }
456 : : };
457 : :
458 : : /**
459 : : * Signet: test network with an additional consensus parameter (see BIP325).
460 : : */
461 : 0 : class SigNetParams : public CChainParams {
462 : : public:
463 : 1574 : explicit SigNetParams(const SigNetOptions& options)
464 : 1574 : {
465 : 1574 : std::vector<uint8_t> bin;
466 [ - + ]: 1574 : vFixedSeeds.clear();
467 : 1574 : vSeeds.clear();
468 : :
469 [ + - ]: 1574 : if (!options.challenge) {
470 [ + - ]: 1574 : bin = kernel::SIGNET_DEFAULT_CHALLENGE;
471 [ + - + - ]: 1574 : vFixedSeeds = std::vector<uint8_t>(std::begin(chainparams_seed_signet), std::end(chainparams_seed_signet));
472 [ + - ]: 1574 : vSeeds.emplace_back("seed.signet.bitcoin.sprovoost.nl.");
473 [ + - ]: 1574 : 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
474 : :
475 : 1574 : consensus.nMinimumChainWork = uint256{"00000000000000000000000000000000000000000000000000001090e9dc1520"};
476 : 1574 : consensus.defaultAssumeValid = uint256{"00000002a5e0ba0498f1e9f4591af0b66b63c654665efe65206fd0ae7bbaf923"}; // 321295
477 : 1574 : m_assumed_blockchain_size = 25;
478 : 1574 : m_assumed_chain_state_size = 5;
479 : 1574 : chainTxData = ChainTxData{
480 : : // Data from RPC: getchaintxstats 4096 00000002a5e0ba0498f1e9f4591af0b66b63c654665efe65206fd0ae7bbaf923
481 : : .nTime = 1788925860,
482 : : .tx_count = 32273793,
483 : : .dTxRate = 0.3977566114505673,
484 : : };
485 : : } else {
486 [ # # ]: 0 : bin = *options.challenge;
487 : 0 : consensus.nMinimumChainWork = uint256{};
488 : 0 : consensus.defaultAssumeValid = uint256{};
489 : 0 : m_assumed_blockchain_size = 0;
490 : 0 : m_assumed_chain_state_size = 0;
491 : 0 : chainTxData = ChainTxData{
492 : : 0,
493 : : 0,
494 : : 0,
495 : : };
496 [ # # # # : 0 : LogInfo("Signet with challenge %s", HexStr(bin));
# # ]
497 : : }
498 : :
499 [ - + ]: 1574 : if (options.seeds) {
500 [ # # ]: 0 : vSeeds = *options.seeds;
501 : : }
502 : :
503 : 1574 : m_chain_type = ChainType::SIGNET;
504 : 1574 : consensus.signet_blocks = true;
505 [ + - ]: 1574 : consensus.signet_challenge.assign(bin.begin(), bin.end());
506 : 1574 : consensus.nSubsidyHalvingInterval = 210000;
507 : 1574 : consensus.BIP34Height = 1;
508 : 1574 : consensus.BIP34Hash = uint256{};
509 : 1574 : consensus.BIP65Height = 1;
510 : 1574 : consensus.BIP66Height = 1;
511 : 1574 : consensus.CSVHeight = 1;
512 : 1574 : consensus.SegwitHeight = 1;
513 : 1574 : consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
514 : 1574 : consensus.nPowTargetSpacing = 10 * 60;
515 : 1574 : consensus.fPowAllowMinDifficultyBlocks = false;
516 : 1574 : consensus.enforce_BIP94 = false;
517 : 1574 : consensus.fPowNoRetargeting = false;
518 : 1574 : consensus.MinBIP9WarningHeight = 0;
519 : 1574 : consensus.powLimit = uint256{"00000377ae000000000000000000000000000000000000000000000000000000"};
520 [ + - ]: 1574 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
521 : 1574 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
522 : 1574 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
523 : 1574 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
524 : 1574 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].threshold = 1815; // 90%
525 : 1574 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].period = 2016;
526 : :
527 [ + - ]: 1574 : ApplyDeploymentOptions(options.dep_opts);
528 : :
529 [ + - ]: 1574 : pchMessageStart = kernel::GetSignetMessageStart(consensus.signet_challenge);
530 : :
531 : 1574 : nDefaultPort = 38333;
532 : 1574 : nPruneAfterHeight = 1000;
533 : :
534 [ + - ]: 1574 : genesis = CreateGenesisBlock(1598918400, 52613770, 0x1e0377ae, 1, 50 * COIN);
535 [ + - ]: 1574 : consensus.hashGenesisBlock = genesis.GetHash();
536 [ - + ]: 1574 : assert(consensus.hashGenesisBlock == uint256{"00000008819873e925422c1ff0f99f7cc9bbb232af63a077a480a3633bee1ef6"});
537 [ - + ]: 1574 : assert(genesis.hashMerkleRoot == uint256{"4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"});
538 : :
539 : 1574 : m_assumeutxo_data = {
540 : : {
541 : : .height = 160'000,
542 : 1574 : .hash_serialized = AssumeutxoHash{uint256{"fe0a44309b74d6b5883d246cb419c6221bcccf0b308c9b59b7d70783dbdf928a"}},
543 : : .m_chain_tx_count = 2289496,
544 : : .blockhash = uint256{"0000003ca3c99aff040f2563c2ad8f8ec88bd0fd6b8f0895cfaf1ef90353a62c"},
545 : : },
546 : : {
547 : : .height = 290'000,
548 : 1574 : .hash_serialized = AssumeutxoHash{uint256{"97267e000b4b876800167e71b9123f1529d13b14308abec2888bbd2160d14545"}},
549 : : .m_chain_tx_count = 28547497,
550 : : .blockhash = uint256{"0000000577f2741bb30cd9d39d6d71b023afbeb9764f6260786a97969d5c9ac0"},
551 : : },
552 : : {
553 : : .height = 320'000,
554 [ + - ]: 1574 : .hash_serialized = AssumeutxoHash{uint256{"1aaf72ecb376cc16957fbb8d5d406bfd6e3165510e2fc83879b6d14cd20b4462"}},
555 : : .m_chain_tx_count = 32079110,
556 : : .blockhash = uint256{"0000000740ae66b284da84387dcfa14d7b1385b0bad482005ba4e770ea6c4b95"},
557 : : }
558 [ + - ]: 1574 : };
559 : :
560 [ + - + - ]: 1574 : base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
561 [ + - + - ]: 1574 : base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
562 [ + - + - ]: 1574 : base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,239);
563 [ + - ]: 1574 : base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
564 [ + - ]: 1574 : base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
565 : :
566 [ + - ]: 1574 : bech32_hrp = "tb";
567 : :
568 : 1574 : fDefaultConsistencyChecks = false;
569 : 1574 : m_is_mockable_chain = false;
570 : :
571 : : // Generated by headerssync-params.py on 2026-09-08.
572 : 1574 : m_headers_sync_params = HeadersSyncParams{
573 : : .commitment_period = 629,
574 : : .redownload_buffer_size = 15885, // 15885/629 = ~25.3 commitments
575 : : };
576 : 1574 : }
577 : : };
578 : :
579 : : /**
580 : : * Regression test: intended for private networks only. Has minimal difficulty to ensure that
581 : : * blocks can be found instantly.
582 : : */
583 : 0 : class CRegTestParams : public CChainParams
584 : : {
585 : : public:
586 : 3057 : explicit CRegTestParams(const RegTestOptions& opts)
587 : 3057 : {
588 : 3057 : m_chain_type = ChainType::REGTEST;
589 : 3057 : consensus.signet_blocks = false;
590 [ - + ]: 3057 : consensus.signet_challenge.clear();
591 : 3057 : consensus.nSubsidyHalvingInterval = 150;
592 : 3057 : consensus.BIP34Height = 1; // Always active unless overridden
593 : 3057 : consensus.BIP34Hash = uint256();
594 : 3057 : consensus.BIP65Height = 1; // Always active unless overridden
595 : 3057 : consensus.BIP66Height = 1; // Always active unless overridden
596 : 3057 : consensus.CSVHeight = 1; // Always active unless overridden
597 : 3057 : consensus.SegwitHeight = 0; // Always active unless overridden
598 : 3057 : consensus.MinBIP9WarningHeight = 0;
599 : 3057 : consensus.powLimit = uint256{"7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"};
600 : 3057 : consensus.nPowTargetTimespan = 24 * 60 * 60; // one day
601 : 3057 : consensus.nPowTargetSpacing = 10 * 60;
602 : 3057 : consensus.fPowAllowMinDifficultyBlocks = true;
603 : 3057 : consensus.enforce_BIP94 = opts.enforce_bip94;
604 : 3057 : consensus.fPowNoRetargeting = true;
605 : :
606 [ + - ]: 3057 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
607 : 3057 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = 0;
608 : 3057 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
609 : 3057 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
610 : 3057 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].threshold = 108; // 75%
611 : 3057 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].period = 144; // Faster than normal for regtest (144 instead of 2016)
612 : :
613 : 3057 : consensus.nMinimumChainWork = uint256{};
614 : 3057 : consensus.defaultAssumeValid = uint256{};
615 : :
616 : 3057 : pchMessageStart[0] = 0xfa;
617 : 3057 : pchMessageStart[1] = 0xbf;
618 : 3057 : pchMessageStart[2] = 0xb5;
619 : 3057 : pchMessageStart[3] = 0xda;
620 : 3057 : nDefaultPort = 18444;
621 [ + - ]: 3057 : nPruneAfterHeight = opts.fastprune ? 100 : 1000;
622 : 3057 : m_assumed_blockchain_size = 0;
623 : 3057 : m_assumed_chain_state_size = 0;
624 : :
625 [ + - ]: 3057 : ApplyDeploymentOptions(opts.dep_opts);
626 : :
627 [ + - ]: 3057 : genesis = CreateGenesisBlock(1296688602, 2, 0x207fffff, 1, 50 * COIN);
628 [ + - ]: 3057 : consensus.hashGenesisBlock = genesis.GetHash();
629 [ - + ]: 3057 : assert(consensus.hashGenesisBlock == uint256{"0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206"});
630 [ - + ]: 3057 : assert(genesis.hashMerkleRoot == uint256{"4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"});
631 : :
632 [ - + ]: 3057 : vFixedSeeds.clear(); //!< Regtest mode doesn't have any fixed seeds.
633 : 3057 : vSeeds.clear();
634 [ + - ]: 3057 : vSeeds.emplace_back("dummySeed.invalid.");
635 : :
636 : 3057 : fDefaultConsistencyChecks = true;
637 : 3057 : m_is_mockable_chain = true;
638 : :
639 : 3057 : m_assumeutxo_data = {
640 : : { // For use by unit tests
641 : : .height = 110,
642 : 3057 : .hash_serialized = AssumeutxoHash{uint256{"86e9a1205b418b16dde3a18a78c730e30137e28466bda5dbf6b33ab8fc05447c"}},
643 : : .m_chain_tx_count = 111,
644 : : .blockhash = uint256{"135eec25a6fb277884e5824e7aa7d052c4868161c99a5122170b5266f86c273d"},
645 : : },
646 : : {
647 : : // For use by fuzz target src/test/fuzz/utxo_snapshot.cpp
648 : : .height = 200,
649 : 3057 : .hash_serialized = AssumeutxoHash{uint256{"17dcc016d188d16068907cdeb38b75691a118d43053b8cd6a25969419381d13a"}},
650 : : .m_chain_tx_count = 201,
651 : : .blockhash = uint256{"385901ccbd69dff6bbd00065d01fb8a9e464dede7cfe0372443884f9b1dcf6b9"},
652 : : },
653 : : {
654 : : // For use by test/functional/feature_assumeutxo.py and test/functional/tool_bitcoin_chainstate.py
655 : : .height = 299,
656 [ + - ]: 3057 : .hash_serialized = AssumeutxoHash{uint256{"106b2c56233e378a824cf0d5ff2be42ed32c72f1605c9be288d00942908a40ac"}},
657 : : .m_chain_tx_count = 334,
658 : : .blockhash = uint256{"0c552ced4721c249a389eb9b08cb8da261cd46f0e7b5f9d064d48f3113406853"},
659 : : },
660 [ + - ]: 3057 : };
661 : :
662 : 3057 : chainTxData = ChainTxData{
663 : : .nTime = 0,
664 : : .tx_count = 0,
665 : : .dTxRate = 0.001, // Set a non-zero rate to make it testable
666 : : };
667 : :
668 [ + - + - ]: 3057 : base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
669 [ + - + - ]: 3057 : base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
670 [ + - + - ]: 3057 : base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,239);
671 [ + - ]: 3057 : base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
672 [ + - ]: 3057 : base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
673 : :
674 [ + - ]: 3057 : bech32_hrp = "bcrt";
675 : :
676 : : // Copied from Testnet4.
677 : 3057 : m_headers_sync_params = HeadersSyncParams{
678 : : .commitment_period = 275,
679 : : .redownload_buffer_size = 7017, // 7017/275 = ~25.5 commitments
680 : : };
681 : 3057 : }
682 : : };
683 : :
684 : 1574 : std::unique_ptr<const CChainParams> CChainParams::SigNet(const SigNetOptions& options)
685 : : {
686 : 1574 : return std::make_unique<const SigNetParams>(options);
687 : : }
688 : :
689 : 3057 : std::unique_ptr<const CChainParams> CChainParams::RegTest(const RegTestOptions& options)
690 : : {
691 : 3057 : return std::make_unique<const CRegTestParams>(options);
692 : : }
693 : :
694 : 1586 : std::unique_ptr<const CChainParams> CChainParams::Main(const MainNetOptions& options)
695 : : {
696 : 1586 : return std::make_unique<const CMainParams>(options);
697 : : }
698 : :
699 : 1573 : std::unique_ptr<const CChainParams> CChainParams::TestNet(const TestNetOptions& options)
700 : : {
701 : 1573 : return std::make_unique<const CTestNetParams>(options);
702 : : }
703 : :
704 : 1573 : std::unique_ptr<const CChainParams> CChainParams::TestNet4(const TestNetOptions& options)
705 : : {
706 : 1573 : return std::make_unique<const CTestNet4Params>(options);
707 : : }
708 : :
709 : 158 : std::vector<int> CChainParams::GetAvailableSnapshotHeights() const
710 : : {
711 : 158 : std::vector<int> heights;
712 [ - + + - ]: 158 : heights.reserve(m_assumeutxo_data.size());
713 : :
714 [ + + ]: 632 : for (const auto& data : m_assumeutxo_data) {
715 [ + - ]: 474 : heights.emplace_back(data.height);
716 : : }
717 : 158 : return heights;
718 : 0 : }
719 : :
720 : 99 : std::optional<ChainType> GetNetworkForMagic(const MessageStartChars& message)
721 : : {
722 : 99 : const auto mainnet_msg = CChainParams::Main()->MessageStart();
723 : 99 : const auto testnet_msg = CChainParams::TestNet()->MessageStart();
724 : 99 : const auto testnet4_msg = CChainParams::TestNet4()->MessageStart();
725 : 99 : const auto regtest_msg = CChainParams::RegTest()->MessageStart();
726 : 99 : const auto signet_msg = CChainParams::SigNet()->MessageStart();
727 : :
728 [ + + ]: 99 : if (std::ranges::equal(message, mainnet_msg)) {
729 : 15 : return ChainType::MAIN;
730 [ + + ]: 84 : } else if (std::ranges::equal(message, testnet_msg)) {
731 : 11 : return ChainType::TESTNET;
732 [ + + ]: 73 : } else if (std::ranges::equal(message, testnet4_msg)) {
733 : 11 : return ChainType::TESTNET4;
734 [ + + ]: 62 : } else if (std::ranges::equal(message, regtest_msg)) {
735 : 44 : return ChainType::REGTEST;
736 [ + + ]: 18 : } else if (std::ranges::equal(message, signet_msg)) {
737 : 7 : return ChainType::SIGNET;
738 : : }
739 : 11 : return std::nullopt;
740 : : }
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