Branch data Line data Source code
1 : : // Copyright (c) 2010 Satoshi Nakamoto
2 : : // Copyright (c) 2009-2021 The Bitcoin Core developers
3 : : // Distributed under the MIT software license, see the accompanying
4 : : // file COPYING or http://www.opensource.org/licenses/mit-license.php.
5 : :
6 : : #include <kernel/chainparams.h>
7 : :
8 : : #include <chainparamsseeds.h>
9 : : #include <consensus/amount.h>
10 : : #include <consensus/merkle.h>
11 : : #include <consensus/params.h>
12 : : #include <hash.h>
13 : : #include <kernel/messagestartchars.h>
14 : : #include <logging.h>
15 : : #include <primitives/block.h>
16 : : #include <primitives/transaction.h>
17 : : #include <script/interpreter.h>
18 : : #include <script/script.h>
19 : : #include <uint256.h>
20 : : #include <util/chaintype.h>
21 : : #include <util/strencodings.h>
22 : :
23 : : #include <algorithm>
24 : : #include <cassert>
25 : : #include <cstdint>
26 : : #include <cstring>
27 : : #include <type_traits>
28 : :
29 : : using namespace util::hex_literals;
30 : :
31 : : // Workaround MSVC bug triggering C7595 when calling consteval constructors in
32 : : // initializer lists.
33 : : // A fix may be on the way:
34 : : // https://developercommunity.visualstudio.com/t/consteval-conversion-function-fails/1579014
35 : : #if defined(_MSC_VER)
36 : : auto consteval_ctor(auto&& input) { return input; }
37 : : #else
38 : : #define consteval_ctor(input) (input)
39 : : #endif
40 : :
41 : 10370 : static CBlock CreateGenesisBlock(const char* pszTimestamp, const CScript& genesisOutputScript, uint32_t nTime, uint32_t nNonce, uint32_t nBits, int32_t nVersion, const CAmount& genesisReward)
42 : : {
43 : 10370 : CMutableTransaction txNew;
44 : 10370 : txNew.version = 1;
45 [ + - ]: 10370 : txNew.vin.resize(1);
46 [ + - ]: 10370 : txNew.vout.resize(1);
47 [ + - + - : 10370 : txNew.vin[0].scriptSig = CScript() << 486604799 << CScriptNum(4) << std::vector<unsigned char>((const unsigned char*)pszTimestamp, (const unsigned char*)pszTimestamp + strlen(pszTimestamp));
+ - ]
48 : 10370 : txNew.vout[0].nValue = genesisReward;
49 : 10370 : txNew.vout[0].scriptPubKey = genesisOutputScript;
50 : :
51 : 10370 : CBlock genesis;
52 : 10370 : genesis.nTime = nTime;
53 : 10370 : genesis.nBits = nBits;
54 : 10370 : genesis.nNonce = nNonce;
55 : 10370 : genesis.nVersion = nVersion;
56 [ + - + - : 20740 : genesis.vtx.push_back(MakeTransactionRef(std::move(txNew)));
- + ]
57 : 10370 : genesis.hashPrevBlock.SetNull();
58 [ + - ]: 10370 : genesis.hashMerkleRoot = BlockMerkleRoot(genesis);
59 : 10370 : return genesis;
60 : 10370 : }
61 : :
62 : : /**
63 : : * Build the genesis block. Note that the output of its generation
64 : : * transaction cannot be spent since it did not originally exist in the
65 : : * database.
66 : : *
67 : : * CBlock(hash=000000000019d6, ver=1, hashPrevBlock=00000000000000, hashMerkleRoot=4a5e1e, nTime=1231006505, nBits=1d00ffff, nNonce=2083236893, vtx=1)
68 : : * CTransaction(hash=4a5e1e, ver=1, vin.size=1, vout.size=1, nLockTime=0)
69 : : * CTxIn(COutPoint(000000, -1), coinbase 04ffff001d0104455468652054696d65732030332f4a616e2f32303039204368616e63656c6c6f72206f6e206272696e6b206f66207365636f6e64206261696c6f757420666f722062616e6b73)
70 : : * CTxOut(nValue=50.00000000, scriptPubKey=0x5F1DF16B2B704C8A578D0B)
71 : : * vMerkleTree: 4a5e1e
72 : : */
73 : 8728 : static CBlock CreateGenesisBlock(uint32_t nTime, uint32_t nNonce, uint32_t nBits, int32_t nVersion, const CAmount& genesisReward)
74 : : {
75 : 8728 : const char* pszTimestamp = "The Times 03/Jan/2009 Chancellor on brink of second bailout for banks";
76 [ + - ]: 8728 : const CScript genesisOutputScript = CScript() << "04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f"_hex << OP_CHECKSIG;
77 [ + - ]: 8728 : return CreateGenesisBlock(pszTimestamp, genesisOutputScript, nTime, nNonce, nBits, nVersion, genesisReward);
78 : 8728 : }
79 : :
80 : : /**
81 : : * Main network on which people trade goods and services.
82 : : */
83 : 0 : class CMainParams : public CChainParams {
84 : : public:
85 : 2369 : CMainParams() {
86 : 2369 : m_chain_type = ChainType::MAIN;
87 : 2369 : consensus.signet_blocks = false;
88 [ - + ]: 2369 : consensus.signet_challenge.clear();
89 : 2369 : consensus.nSubsidyHalvingInterval = 210000;
90 : 2369 : consensus.script_flag_exceptions.emplace( // BIP16 exception
91 [ + - ]: 2369 : uint256{"00000000000002dc756eebf4f49723ed8d30cc28a5f108eb94b1ba88ac4f9c22"}, SCRIPT_VERIFY_NONE);
92 : 2369 : consensus.script_flag_exceptions.emplace( // Taproot exception
93 [ + - ]: 2369 : uint256{"0000000000000000000f14c35b2d841e986ab5441de8c585d5ffe55ea1e395ad"}, SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_WITNESS);
94 : 2369 : consensus.BIP34Height = 227931;
95 : 2369 : consensus.BIP34Hash = uint256{"000000000000024b89b42a942fe0d9fea3bb44ab7bd1b19115dd6a759c0808b8"};
96 : 2369 : consensus.BIP65Height = 388381; // 000000000000000004c2b624ed5d7756c508d90fd0da2c7c679febfa6c4735f0
97 : 2369 : consensus.BIP66Height = 363725; // 00000000000000000379eaa19dce8c9b722d46ae6a57c2f1a988119488b50931
98 : 2369 : consensus.CSVHeight = 419328; // 000000000000000004a1b34462cb8aeebd5799177f7a29cf28f2d1961716b5b5
99 : 2369 : consensus.SegwitHeight = 481824; // 0000000000000000001c8018d9cb3b742ef25114f27563e3fc4a1902167f9893
100 : 2369 : consensus.MinBIP9WarningHeight = 483840; // segwit activation height + miner confirmation window
101 : 2369 : consensus.powLimit = uint256{"00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff"};
102 : 2369 : consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
103 : 2369 : consensus.nPowTargetSpacing = 10 * 60;
104 : 2369 : consensus.fPowAllowMinDifficultyBlocks = false;
105 : 2369 : consensus.enforce_BIP94 = false;
106 : 2369 : consensus.fPowNoRetargeting = false;
107 : 2369 : consensus.nRuleChangeActivationThreshold = 1815; // 90% of 2016
108 : 2369 : consensus.nMinerConfirmationWindow = 2016; // nPowTargetTimespan / nPowTargetSpacing
109 : 2369 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
110 : 2369 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
111 : 2369 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
112 : 2369 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
113 : :
114 : : // Deployment of Taproot (BIPs 340-342)
115 : 2369 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].bit = 2;
116 : 2369 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nStartTime = 1619222400; // April 24th, 2021
117 : 2369 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nTimeout = 1628640000; // August 11th, 2021
118 : 2369 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].min_activation_height = 709632; // Approximately November 12th, 2021
119 : :
120 : 2369 : consensus.nMinimumChainWork = uint256{"000000000000000000000000000000000000000088e186b70e0862c193ec44d6"};
121 : 2369 : consensus.defaultAssumeValid = uint256{"000000000000000000011c5890365bdbe5d25b97ce0057589acaef4f1a57263f"}; // 856760
122 : :
123 : : /**
124 : : * The message start string is designed to be unlikely to occur in normal data.
125 : : * The characters are rarely used upper ASCII, not valid as UTF-8, and produce
126 : : * a large 32-bit integer with any alignment.
127 : : */
128 [ + - ]: 2369 : pchMessageStart[0] = 0xf9;
129 : 2369 : pchMessageStart[1] = 0xbe;
130 : 2369 : pchMessageStart[2] = 0xb4;
131 : 2369 : pchMessageStart[3] = 0xd9;
132 : 2369 : nDefaultPort = 8333;
133 : 2369 : nPruneAfterHeight = 100000;
134 : 2369 : m_assumed_blockchain_size = 620;
135 : 2369 : m_assumed_chain_state_size = 14;
136 : :
137 [ + - ]: 2369 : genesis = CreateGenesisBlock(1231006505, 2083236893, 0x1d00ffff, 1, 50 * COIN);
138 [ + - ]: 2369 : consensus.hashGenesisBlock = genesis.GetHash();
139 [ - + ]: 2369 : assert(consensus.hashGenesisBlock == uint256{"000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f"});
140 [ - + ]: 2369 : assert(genesis.hashMerkleRoot == uint256{"4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"});
141 : :
142 : : // Note that of those which support the service bits prefix, most only support a subset of
143 : : // possible options.
144 : : // This is fine at runtime as we'll fall back to using them as an addrfetch if they don't support the
145 : : // service bits we want, but we should get them updated to support all service bits wanted by any
146 : : // release ASAP to avoid it where possible.
147 [ + - ]: 2369 : vSeeds.emplace_back("seed.bitcoin.sipa.be."); // Pieter Wuille, only supports x1, x5, x9, and xd
148 [ + - ]: 2369 : vSeeds.emplace_back("dnsseed.bluematt.me."); // Matt Corallo, only supports x9
149 [ + - ]: 2369 : vSeeds.emplace_back("dnsseed.bitcoin.dashjr-list-of-p2p-nodes.us."); // Luke Dashjr
150 [ + - ]: 2369 : vSeeds.emplace_back("seed.bitcoin.jonasschnelli.ch."); // Jonas Schnelli, only supports x1, x5, x9, and xd
151 [ + - ]: 2369 : vSeeds.emplace_back("seed.btc.petertodd.net."); // Peter Todd, only supports x1, x5, x9, and xd
152 [ + - ]: 2369 : vSeeds.emplace_back("seed.bitcoin.sprovoost.nl."); // Sjors Provoost
153 [ + - ]: 2369 : vSeeds.emplace_back("dnsseed.emzy.de."); // Stephan Oeste
154 [ + - ]: 2369 : vSeeds.emplace_back("seed.bitcoin.wiz.biz."); // Jason Maurice
155 [ + - ]: 2369 : 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
156 : :
157 [ + - + - ]: 2369 : base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,0);
158 [ + - + - ]: 2369 : base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,5);
159 [ + - + - ]: 2369 : base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,128);
160 [ + - ]: 2369 : base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x88, 0xB2, 0x1E};
161 [ + - ]: 2369 : base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x88, 0xAD, 0xE4};
162 : :
163 [ + - ]: 2369 : bech32_hrp = "bc";
164 : :
165 [ + - + - ]: 2369 : vFixedSeeds = std::vector<uint8_t>(std::begin(chainparams_seed_main), std::end(chainparams_seed_main));
166 : :
167 : 2369 : fDefaultConsistencyChecks = false;
168 : 2369 : m_is_mockable_chain = false;
169 : :
170 : 2369 : checkpointData = {
171 : : {
172 [ + - ]: 2369 : { 11111, uint256{"0000000069e244f73d78e8fd29ba2fd2ed618bd6fa2ee92559f542fdb26e7c1d"}},
173 : 2369 : { 33333, uint256{"000000002dd5588a74784eaa7ab0507a18ad16a236e7b1ce69f00d7ddfb5d0a6"}},
174 : 2369 : { 74000, uint256{"0000000000573993a3c9e41ce34471c079dcf5f52a0e824a81e7f953b8661a20"}},
175 : 2369 : {105000, uint256{"00000000000291ce28027faea320c8d2b054b2e0fe44a773f3eefb151d6bdc97"}},
176 : 2369 : {134444, uint256{"00000000000005b12ffd4cd315cd34ffd4a594f430ac814c91184a0d42d2b0fe"}},
177 : 2369 : {168000, uint256{"000000000000099e61ea72015e79632f216fe6cb33d7899acb35b75c8303b763"}},
178 : 2369 : {193000, uint256{"000000000000059f452a5f7340de6682a977387c17010ff6e6c3bd83ca8b1317"}},
179 : 2369 : {210000, uint256{"000000000000048b95347e83192f69cf0366076336c639f9b7228e9ba171342e"}},
180 : 2369 : {216116, uint256{"00000000000001b4f4b433e81ee46494af945cf96014816a4e2370f11b23df4e"}},
181 : 2369 : {225430, uint256{"00000000000001c108384350f74090433e7fcf79a606b8e797f065b130575932"}},
182 : 2369 : {250000, uint256{"000000000000003887df1f29024b06fc2200b55f8af8f35453d7be294df2d214"}},
183 : 2369 : {279000, uint256{"0000000000000001ae8c72a0b0c301f67e3afca10e819efa9041e458e9bd7e40"}},
184 : 2369 : {295000, uint256{"00000000000000004d9b4ef50f0f9d686fd69db2e03af35a100370c64632a983"}},
185 : : }
186 : 2369 : };
187 : :
188 : 2369 : m_assumeutxo_data = {
189 : : {
190 : : .height = 840'000,
191 [ + - ]: 2369 : .hash_serialized = AssumeutxoHash{uint256{"a2a5521b1b5ab65f67818e5e8eccabb7171a517f9e2382208f77687310768f96"}},
192 : : .m_chain_tx_count = 991032194,
193 : : .blockhash = consteval_ctor(uint256{"0000000000000000000320283a032748cef8227873ff4872689bf23f1cda83a5"}),
194 : : }
195 [ + - ]: 2369 : };
196 : :
197 : 2369 : chainTxData = ChainTxData{
198 : : // Data from RPC: getchaintxstats 4096 000000000000000000011c5890365bdbe5d25b97ce0057589acaef4f1a57263f
199 : : .nTime = 1723649144,
200 : : .tx_count = 1059312821,
201 : : .dTxRate = 6.721086701157182,
202 : : };
203 [ + - ]: 4738 : }
204 : : };
205 : :
206 : : /**
207 : : * Testnet (v3): public test network which is reset from time to time.
208 : : */
209 : 0 : class CTestNetParams : public CChainParams {
210 : : public:
211 : 1751 : CTestNetParams() {
212 : 1751 : m_chain_type = ChainType::TESTNET;
213 : 1751 : consensus.signet_blocks = false;
214 [ - + ]: 1751 : consensus.signet_challenge.clear();
215 : 1751 : consensus.nSubsidyHalvingInterval = 210000;
216 : 1751 : consensus.script_flag_exceptions.emplace( // BIP16 exception
217 [ + - ]: 1751 : uint256{"00000000dd30457c001f4095d208cc1296b0eed002427aa599874af7a432b105"}, SCRIPT_VERIFY_NONE);
218 : 1751 : consensus.BIP34Height = 21111;
219 : 1751 : consensus.BIP34Hash = uint256{"0000000023b3a96d3484e5abb3755c413e7d41500f8e2a5c3f0dd01299cd8ef8"};
220 : 1751 : consensus.BIP65Height = 581885; // 00000000007f6655f22f98e72ed80d8b06dc761d5da09df0fa1dc4be4f861eb6
221 : 1751 : consensus.BIP66Height = 330776; // 000000002104c8c45e99a8853285a3b592602a3ccde2b832481da85e9e4ba182
222 : 1751 : consensus.CSVHeight = 770112; // 00000000025e930139bac5c6c31a403776da130831ab85be56578f3fa75369bb
223 : 1751 : consensus.SegwitHeight = 834624; // 00000000002b980fcd729daaa248fd9316a5200e9b367f4ff2c42453e84201ca
224 : 1751 : consensus.MinBIP9WarningHeight = 836640; // segwit activation height + miner confirmation window
225 : 1751 : consensus.powLimit = uint256{"00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff"};
226 : 1751 : consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
227 : 1751 : consensus.nPowTargetSpacing = 10 * 60;
228 : 1751 : consensus.fPowAllowMinDifficultyBlocks = true;
229 : 1751 : consensus.enforce_BIP94 = false;
230 : 1751 : consensus.fPowNoRetargeting = false;
231 : 1751 : consensus.nRuleChangeActivationThreshold = 1512; // 75% for testchains
232 : 1751 : consensus.nMinerConfirmationWindow = 2016; // nPowTargetTimespan / nPowTargetSpacing
233 : 1751 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
234 : 1751 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
235 : 1751 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
236 : 1751 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
237 : :
238 : : // Deployment of Taproot (BIPs 340-342)
239 : 1751 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].bit = 2;
240 : 1751 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nStartTime = 1619222400; // April 24th, 2021
241 : 1751 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nTimeout = 1628640000; // August 11th, 2021
242 : 1751 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].min_activation_height = 0; // No activation delay
243 : :
244 : 1751 : consensus.nMinimumChainWork = uint256{"000000000000000000000000000000000000000000000f209695166be8b61fa9"};
245 : 1751 : consensus.defaultAssumeValid = uint256{"000000000000000465b1a66c9f386308e8c75acef9201f3f577811da09fc90ad"}; // 2873500
246 : :
247 [ + - ]: 1751 : pchMessageStart[0] = 0x0b;
248 : 1751 : pchMessageStart[1] = 0x11;
249 : 1751 : pchMessageStart[2] = 0x09;
250 : 1751 : pchMessageStart[3] = 0x07;
251 : 1751 : nDefaultPort = 18333;
252 : 1751 : nPruneAfterHeight = 1000;
253 : 1751 : m_assumed_blockchain_size = 93;
254 : 1751 : m_assumed_chain_state_size = 19;
255 : :
256 [ + - ]: 1751 : genesis = CreateGenesisBlock(1296688602, 414098458, 0x1d00ffff, 1, 50 * COIN);
257 [ + - ]: 1751 : consensus.hashGenesisBlock = genesis.GetHash();
258 [ - + ]: 1751 : assert(consensus.hashGenesisBlock == uint256{"000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943"});
259 [ - + ]: 1751 : assert(genesis.hashMerkleRoot == uint256{"4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"});
260 : :
261 [ - + ]: 1751 : vFixedSeeds.clear();
262 : 1751 : vSeeds.clear();
263 : : // nodes with support for servicebits filtering should be at the top
264 [ + - ]: 1751 : vSeeds.emplace_back("testnet-seed.bitcoin.jonasschnelli.ch.");
265 [ + - ]: 1751 : vSeeds.emplace_back("seed.tbtc.petertodd.net.");
266 [ + - ]: 1751 : vSeeds.emplace_back("seed.testnet.bitcoin.sprovoost.nl.");
267 [ + - ]: 1751 : vSeeds.emplace_back("testnet-seed.bluematt.me."); // Just a static list of stable node(s), only supports x9
268 [ + - ]: 1751 : 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
269 : :
270 [ + - + - ]: 1751 : base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
271 [ + - + - ]: 1751 : base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
272 [ + - + - ]: 1751 : base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,239);
273 [ + - ]: 1751 : base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
274 [ + - ]: 1751 : base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
275 : :
276 [ + - ]: 1751 : bech32_hrp = "tb";
277 : :
278 [ + - + - ]: 1751 : vFixedSeeds = std::vector<uint8_t>(std::begin(chainparams_seed_test), std::end(chainparams_seed_test));
279 : :
280 : 1751 : fDefaultConsistencyChecks = false;
281 : 1751 : m_is_mockable_chain = false;
282 : :
283 : 1751 : checkpointData = {
284 : : {
285 [ + - ]: 1751 : {546, uint256{"000000002a936ca763904c3c35fce2f3556c559c0214345d31b1bcebf76acb70"}},
286 : : }
287 : 1751 : };
288 : :
289 : 1751 : m_assumeutxo_data = {
290 : : {
291 : : .height = 2'500'000,
292 [ + - ]: 1751 : .hash_serialized = AssumeutxoHash{uint256{"f841584909f68e47897952345234e37fcd9128cd818f41ee6c3ca68db8071be7"}},
293 : : .m_chain_tx_count = 66484552,
294 : : .blockhash = consteval_ctor(uint256{"0000000000000093bcb68c03a9a168ae252572d348a2eaeba2cdf9231d73206f"}),
295 : : }
296 [ + - ]: 1751 : };
297 : :
298 : 1751 : chainTxData = ChainTxData{
299 : : // Data from RPC: getchaintxstats 4096 000000000000000465b1a66c9f386308e8c75acef9201f3f577811da09fc90ad
300 : : .nTime = 1723613341,
301 : : .tx_count = 187917082,
302 : : .dTxRate = 3.265051477698455,
303 : : };
304 [ + - ]: 3502 : }
305 : : };
306 : :
307 : : /**
308 : : * Testnet (v4): public test network which is reset from time to time.
309 : : */
310 : 0 : class CTestNet4Params : public CChainParams {
311 : : public:
312 : 1642 : CTestNet4Params() {
313 : 1642 : m_chain_type = ChainType::TESTNET4;
314 : 1642 : consensus.signet_blocks = false;
315 [ - + ]: 1642 : consensus.signet_challenge.clear();
316 : 1642 : consensus.nSubsidyHalvingInterval = 210000;
317 : 1642 : consensus.BIP34Height = 1;
318 : 1642 : consensus.BIP34Hash = uint256{};
319 : 1642 : consensus.BIP65Height = 1;
320 : 1642 : consensus.BIP66Height = 1;
321 : 1642 : consensus.CSVHeight = 1;
322 : 1642 : consensus.SegwitHeight = 1;
323 : 1642 : consensus.MinBIP9WarningHeight = 0;
324 : 1642 : consensus.powLimit = uint256{"00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff"};
325 : 1642 : consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
326 : 1642 : consensus.nPowTargetSpacing = 10 * 60;
327 : 1642 : consensus.fPowAllowMinDifficultyBlocks = true;
328 : 1642 : consensus.enforce_BIP94 = true;
329 : 1642 : consensus.fPowNoRetargeting = false;
330 : 1642 : consensus.nRuleChangeActivationThreshold = 1512; // 75% for testchains
331 : 1642 : consensus.nMinerConfirmationWindow = 2016; // nPowTargetTimespan / nPowTargetSpacing
332 : 1642 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
333 : 1642 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
334 : 1642 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
335 : 1642 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
336 : :
337 : : // Deployment of Taproot (BIPs 340-342)
338 : 1642 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].bit = 2;
339 : 1642 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nStartTime = Consensus::BIP9Deployment::ALWAYS_ACTIVE;
340 : 1642 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
341 : 1642 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].min_activation_height = 0; // No activation delay
342 : :
343 : 1642 : consensus.nMinimumChainWork = uint256{"00000000000000000000000000000000000000000000005faa15d02e6202f3ba"};
344 : 1642 : consensus.defaultAssumeValid = uint256{"000000005be348057db991fa5d89fe7c4695b667cfb311391a8db374b6f681fd"}; // 39550
345 : :
346 : 1642 : pchMessageStart[0] = 0x1c;
347 : 1642 : pchMessageStart[1] = 0x16;
348 : 1642 : pchMessageStart[2] = 0x3f;
349 : 1642 : pchMessageStart[3] = 0x28;
350 : 1642 : nDefaultPort = 48333;
351 : 1642 : nPruneAfterHeight = 1000;
352 : 1642 : m_assumed_blockchain_size = 1;
353 : 1642 : m_assumed_chain_state_size = 0;
354 : :
355 : 1642 : const char* testnet4_genesis_msg = "03/May/2024 000000000000000000001ebd58c244970b3aa9d783bb001011fbe8ea8e98e00e";
356 [ + - ]: 1642 : const CScript testnet4_genesis_script = CScript() << "000000000000000000000000000000000000000000000000000000000000000000"_hex << OP_CHECKSIG;
357 : 3284 : genesis = CreateGenesisBlock(testnet4_genesis_msg,
358 : : testnet4_genesis_script,
359 : : 1714777860,
360 : : 393743547,
361 : : 0x1d00ffff,
362 : : 1,
363 [ + - ]: 1642 : 50 * COIN);
364 [ + - ]: 1642 : consensus.hashGenesisBlock = genesis.GetHash();
365 [ - + ]: 1642 : assert(consensus.hashGenesisBlock == uint256{"00000000da84f2bafbbc53dee25a72ae507ff4914b867c565be350b0da8bf043"});
366 [ - + ]: 1642 : assert(genesis.hashMerkleRoot == uint256{"7aa0a7ae1e223414cb807e40cd57e667b718e42aaf9306db9102fe28912b7b4e"});
367 : :
368 [ - + ]: 1642 : vFixedSeeds.clear();
369 : 1642 : vSeeds.clear();
370 : : // nodes with support for servicebits filtering should be at the top
371 [ + - ]: 1642 : vSeeds.emplace_back("seed.testnet4.bitcoin.sprovoost.nl."); // Sjors Provoost
372 [ + - ]: 1642 : vSeeds.emplace_back("seed.testnet4.wiz.biz."); // Jason Maurice
373 : :
374 [ + - + - ]: 1642 : base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
375 [ + - + - ]: 1642 : base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
376 [ + - + - ]: 1642 : base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,239);
377 [ + - ]: 1642 : base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
378 [ + - ]: 1642 : base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
379 : :
380 [ + - ]: 1642 : bech32_hrp = "tb";
381 : :
382 [ + - + - ]: 1642 : vFixedSeeds = std::vector<uint8_t>(std::begin(chainparams_seed_testnet4), std::end(chainparams_seed_testnet4));
383 : :
384 : 1642 : fDefaultConsistencyChecks = false;
385 : 1642 : m_is_mockable_chain = false;
386 : :
387 : 1642 : checkpointData = {
388 : : {
389 : : {},
390 : : }
391 : 1642 : };
392 : :
393 : 1642 : m_assumeutxo_data = {
394 : : {}
395 [ + - ]: 1642 : };
396 : :
397 : 1642 : chainTxData = ChainTxData{
398 : : // Data from RPC: getchaintxstats 4096 000000005be348057db991fa5d89fe7c4695b667cfb311391a8db374b6f681fd
399 : : .nTime = 1723651702,
400 : : .tx_count = 757229,
401 : : .dTxRate = 0.01570402633472492,
402 : : };
403 [ + - ]: 3284 : }
404 : : };
405 : :
406 : : /**
407 : : * Signet: test network with an additional consensus parameter (see BIP325).
408 : : */
409 : 0 : class SigNetParams : public CChainParams {
410 : : public:
411 : 1755 : explicit SigNetParams(const SigNetOptions& options)
412 : 1755 : {
413 : 1755 : std::vector<uint8_t> bin;
414 : 1755 : vSeeds.clear();
415 : :
416 [ + + ]: 1755 : if (!options.challenge) {
417 [ + - ]: 3496 : bin = "512103ad5e0edad18cb1f0fc0d28a3d4f1f3e445640337489abb10404f2d1e086be430210359ef5021964fe22d6f8e05b2463c9540ce96883fe3b278760f048f5189f2e6c452ae"_hex_v_u8;
418 [ + - ]: 1748 : vSeeds.emplace_back("seed.signet.bitcoin.sprovoost.nl.");
419 [ + - ]: 1748 : 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
420 : :
421 : : // Hardcoded nodes can be removed once there are more DNS seeds
422 [ + - ]: 1748 : vSeeds.emplace_back("178.128.221.177");
423 [ + - ]: 1748 : vSeeds.emplace_back("v7ajjeirttkbnt32wpy3c6w3emwnfr3fkla7hpxcfokr3ysd3kqtzmqd.onion:38333");
424 : :
425 : 1748 : consensus.nMinimumChainWork = uint256{"0000000000000000000000000000000000000000000000000000025dbd66e58f"};
426 : 1748 : consensus.defaultAssumeValid = uint256{"0000014aad1d58dddcb964dd749b073374c6306e716b22f573a2efe68d414539"}; // 208800
427 : 1748 : m_assumed_blockchain_size = 2;
428 : 1748 : m_assumed_chain_state_size = 0;
429 : 1748 : chainTxData = ChainTxData{
430 : : // Data from RPC: getchaintxstats 4096 0000014aad1d58dddcb964dd749b073374c6306e716b22f573a2efe68d414539
431 : : .nTime = 1723655233,
432 : : .tx_count = 5507045,
433 : : .dTxRate = 0.06271073277261494,
434 : : };
435 : : } else {
436 [ + - ]: 7 : bin = *options.challenge;
437 [ + - ]: 7 : consensus.nMinimumChainWork = uint256{};
438 : 7 : consensus.defaultAssumeValid = uint256{};
439 : 7 : m_assumed_blockchain_size = 0;
440 : 7 : m_assumed_chain_state_size = 0;
441 : 7 : chainTxData = ChainTxData{
442 : : 0,
443 : : 0,
444 : : 0,
445 : : };
446 [ + - + - ]: 14 : LogPrintf("Signet with challenge %s\n", HexStr(bin));
447 : : }
448 : :
449 [ - + ]: 1755 : if (options.seeds) {
450 [ # # ]: 0 : vSeeds = *options.seeds;
451 : : }
452 : :
453 : 1755 : m_chain_type = ChainType::SIGNET;
454 : 1755 : consensus.signet_blocks = true;
455 [ + - ]: 1755 : consensus.signet_challenge.assign(bin.begin(), bin.end());
456 : 1755 : consensus.nSubsidyHalvingInterval = 210000;
457 : 1755 : consensus.BIP34Height = 1;
458 [ + - ]: 1755 : consensus.BIP34Hash = uint256{};
459 : 1755 : consensus.BIP65Height = 1;
460 : 1755 : consensus.BIP66Height = 1;
461 : 1755 : consensus.CSVHeight = 1;
462 : 1755 : consensus.SegwitHeight = 1;
463 : 1755 : consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
464 : 1755 : consensus.nPowTargetSpacing = 10 * 60;
465 : 1755 : consensus.fPowAllowMinDifficultyBlocks = false;
466 : 1755 : consensus.enforce_BIP94 = false;
467 : 1755 : consensus.fPowNoRetargeting = false;
468 : 1755 : consensus.nRuleChangeActivationThreshold = 1815; // 90% of 2016
469 : 1755 : consensus.nMinerConfirmationWindow = 2016; // nPowTargetTimespan / nPowTargetSpacing
470 : 1755 : consensus.MinBIP9WarningHeight = 0;
471 : 1755 : consensus.powLimit = uint256{"00000377ae000000000000000000000000000000000000000000000000000000"};
472 : 1755 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
473 : 1755 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
474 : 1755 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
475 : 1755 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
476 : :
477 : : // Activation of Taproot (BIPs 340-342)
478 : 1755 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].bit = 2;
479 : 1755 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nStartTime = Consensus::BIP9Deployment::ALWAYS_ACTIVE;
480 : 1755 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
481 : 1755 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].min_activation_height = 0; // No activation delay
482 : :
483 : : // message start is defined as the first 4 bytes of the sha256d of the block script
484 [ + - ]: 1755 : HashWriter h{};
485 [ + - ]: 1755 : h << consensus.signet_challenge;
486 [ + - ]: 1755 : uint256 hash = h.GetHash();
487 : 1755 : std::copy_n(hash.begin(), 4, pchMessageStart.begin());
488 : :
489 : 1755 : nDefaultPort = 38333;
490 : 1755 : nPruneAfterHeight = 1000;
491 : :
492 [ + - ]: 1755 : genesis = CreateGenesisBlock(1598918400, 52613770, 0x1e0377ae, 1, 50 * COIN);
493 [ + - ]: 1755 : consensus.hashGenesisBlock = genesis.GetHash();
494 [ - + ]: 1755 : assert(consensus.hashGenesisBlock == uint256{"00000008819873e925422c1ff0f99f7cc9bbb232af63a077a480a3633bee1ef6"});
495 [ - + ]: 1755 : assert(genesis.hashMerkleRoot == uint256{"4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"});
496 : :
497 [ - + ]: 1755 : vFixedSeeds.clear();
498 : :
499 : 1755 : m_assumeutxo_data = {
500 : : {
501 : : .height = 160'000,
502 [ + - ]: 1755 : .hash_serialized = AssumeutxoHash{uint256{"fe0a44309b74d6b5883d246cb419c6221bcccf0b308c9b59b7d70783dbdf928a"}},
503 : : .m_chain_tx_count = 2289496,
504 : : .blockhash = consteval_ctor(uint256{"0000003ca3c99aff040f2563c2ad8f8ec88bd0fd6b8f0895cfaf1ef90353a62c"}),
505 : : }
506 [ + - ]: 1755 : };
507 : :
508 [ + - + - ]: 1755 : base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
509 [ + - + - ]: 1755 : base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
510 [ + - + - ]: 1755 : base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,239);
511 [ + - ]: 1755 : base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
512 [ + - ]: 1755 : base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
513 : :
514 [ + - ]: 1755 : bech32_hrp = "tb";
515 : :
516 : 1755 : fDefaultConsistencyChecks = false;
517 : 1755 : m_is_mockable_chain = false;
518 : 1755 : }
519 : : };
520 : :
521 : : /**
522 : : * Regression test: intended for private networks only. Has minimal difficulty to ensure that
523 : : * blocks can be found instantly.
524 : : */
525 : 0 : class CRegTestParams : public CChainParams
526 : : {
527 : : public:
528 : 2853 : explicit CRegTestParams(const RegTestOptions& opts)
529 : 2853 : {
530 : 2853 : m_chain_type = ChainType::REGTEST;
531 : 2853 : consensus.signet_blocks = false;
532 [ - + ]: 2853 : consensus.signet_challenge.clear();
533 : 2853 : consensus.nSubsidyHalvingInterval = 150;
534 : 2853 : consensus.BIP34Height = 1; // Always active unless overridden
535 [ + + ]: 2853 : consensus.BIP34Hash = uint256();
536 : 2853 : consensus.BIP65Height = 1; // Always active unless overridden
537 : 2853 : consensus.BIP66Height = 1; // Always active unless overridden
538 : 2853 : consensus.CSVHeight = 1; // Always active unless overridden
539 : 2853 : consensus.SegwitHeight = 0; // Always active unless overridden
540 : 2853 : consensus.MinBIP9WarningHeight = 0;
541 : 2853 : consensus.powLimit = uint256{"7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"};
542 : 2853 : consensus.nPowTargetTimespan = 24 * 60 * 60; // one day
543 : 2853 : consensus.nPowTargetSpacing = 10 * 60;
544 : 2853 : consensus.fPowAllowMinDifficultyBlocks = true;
545 : 2853 : consensus.enforce_BIP94 = opts.enforce_bip94;
546 : 2853 : consensus.fPowNoRetargeting = true;
547 : 2853 : consensus.nRuleChangeActivationThreshold = 108; // 75% for testchains
548 : 2853 : consensus.nMinerConfirmationWindow = 144; // Faster than normal for regtest (144 instead of 2016)
549 : :
550 : 2853 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
551 : 2853 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = 0;
552 : 2853 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
553 : 2853 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
554 : :
555 : 2853 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].bit = 2;
556 : 2853 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nStartTime = Consensus::BIP9Deployment::ALWAYS_ACTIVE;
557 : 2853 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
558 : 2853 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].min_activation_height = 0; // No activation delay
559 : :
560 : 2853 : consensus.nMinimumChainWork = uint256{};
561 : 2853 : consensus.defaultAssumeValid = uint256{};
562 : :
563 [ + + ]: 2853 : pchMessageStart[0] = 0xfa;
564 : 2853 : pchMessageStart[1] = 0xbf;
565 : 2853 : pchMessageStart[2] = 0xb5;
566 : 2853 : pchMessageStart[3] = 0xda;
567 : 2853 : nDefaultPort = 18444;
568 [ + + ]: 2853 : nPruneAfterHeight = opts.fastprune ? 100 : 1000;
569 : 2853 : m_assumed_blockchain_size = 0;
570 : 2853 : m_assumed_chain_state_size = 0;
571 : :
572 [ + + + + : 2885 : for (const auto& [dep, height] : opts.activation_heights) {
+ - + + ]
573 [ + + + + : 32 : switch (dep) {
+ - ]
574 : 15 : case Consensus::BuriedDeployment::DEPLOYMENT_SEGWIT:
575 : 15 : consensus.SegwitHeight = int{height};
576 : 15 : break;
577 : 3 : case Consensus::BuriedDeployment::DEPLOYMENT_HEIGHTINCB:
578 : 3 : consensus.BIP34Height = int{height};
579 : 3 : break;
580 : 6 : case Consensus::BuriedDeployment::DEPLOYMENT_DERSIG:
581 : 6 : consensus.BIP66Height = int{height};
582 : 6 : break;
583 : 3 : case Consensus::BuriedDeployment::DEPLOYMENT_CLTV:
584 : 3 : consensus.BIP65Height = int{height};
585 : 3 : break;
586 : 5 : case Consensus::BuriedDeployment::DEPLOYMENT_CSV:
587 : 5 : consensus.CSVHeight = int{height};
588 : 5 : break;
589 : : }
590 : : }
591 : :
592 [ + + ]: 2855 : for (const auto& [deployment_pos, version_bits_params] : opts.version_bits_parameters) {
593 : 2 : consensus.vDeployments[deployment_pos].nStartTime = version_bits_params.start_time;
594 : 2 : consensus.vDeployments[deployment_pos].nTimeout = version_bits_params.timeout;
595 : 2 : consensus.vDeployments[deployment_pos].min_activation_height = version_bits_params.min_activation_height;
596 : : }
597 : :
598 [ + - ]: 2853 : genesis = CreateGenesisBlock(1296688602, 2, 0x207fffff, 1, 50 * COIN);
599 [ + - ]: 2853 : consensus.hashGenesisBlock = genesis.GetHash();
600 [ - + ]: 2853 : assert(consensus.hashGenesisBlock == uint256{"0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206"});
601 [ - + ]: 2853 : assert(genesis.hashMerkleRoot == uint256{"4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"});
602 : :
603 [ - + ]: 2853 : vFixedSeeds.clear(); //!< Regtest mode doesn't have any fixed seeds.
604 : 2853 : vSeeds.clear();
605 [ + - ]: 2853 : vSeeds.emplace_back("dummySeed.invalid.");
606 : :
607 : 2853 : fDefaultConsistencyChecks = true;
608 : 2853 : m_is_mockable_chain = true;
609 : :
610 : 2853 : checkpointData = {
611 : : {
612 [ + - ]: 2853 : {0, uint256{"0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206"}},
613 : : }
614 : 2853 : };
615 : :
616 : 2853 : m_assumeutxo_data = {
617 : : { // For use by unit tests
618 : : .height = 110,
619 [ + - ]: 2853 : .hash_serialized = AssumeutxoHash{uint256{"6657b736d4fe4db0cbc796789e812d5dba7f5c143764b1b6905612f1830609d1"}},
620 : : .m_chain_tx_count = 111,
621 : : .blockhash = consteval_ctor(uint256{"696e92821f65549c7ee134edceeeeaaa4105647a3c4fd9f298c0aec0ab50425c"}),
622 : : },
623 : : {
624 : : // For use by fuzz target src/test/fuzz/utxo_snapshot.cpp
625 : : .height = 200,
626 : 2853 : .hash_serialized = AssumeutxoHash{uint256{"4f34d431c3e482f6b0d67b64609ece3964dc8d7976d02ac68dd7c9c1421738f2"}},
627 : : .m_chain_tx_count = 201,
628 : : .blockhash = consteval_ctor(uint256{"5e93653318f294fb5aa339d00bbf8cf1c3515488ad99412c37608b139ea63b27"}),
629 : : },
630 : : {
631 : : // For use by test/functional/feature_assumeutxo.py
632 : : .height = 299,
633 : 2853 : .hash_serialized = AssumeutxoHash{uint256{"a4bf3407ccb2cc0145c49ebba8fa91199f8a3903daf0883875941497d2493c27"}},
634 : : .m_chain_tx_count = 334,
635 : : .blockhash = consteval_ctor(uint256{"3bb7ce5eba0be48939b7a521ac1ba9316afee2c7bada3a0cca24188e6d7d96c0"}),
636 : : },
637 [ + - ]: 2853 : };
638 : :
639 : 2853 : chainTxData = ChainTxData{
640 : : 0,
641 : : 0,
642 : : 0
643 : : };
644 : :
645 [ + - + - ]: 2853 : base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
646 [ + - + - ]: 2853 : base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
647 [ + - + - ]: 2853 : base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,239);
648 [ + - ]: 2853 : base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
649 [ + - ]: 2853 : base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
650 : :
651 [ + - ]: 2853 : bech32_hrp = "bcrt";
652 [ + - ]: 5706 : }
653 : : };
654 : :
655 : 1755 : std::unique_ptr<const CChainParams> CChainParams::SigNet(const SigNetOptions& options)
656 : : {
657 : 1755 : return std::make_unique<const SigNetParams>(options);
658 : : }
659 : :
660 : 2853 : std::unique_ptr<const CChainParams> CChainParams::RegTest(const RegTestOptions& options)
661 : : {
662 : 2853 : return std::make_unique<const CRegTestParams>(options);
663 : : }
664 : :
665 : 2369 : std::unique_ptr<const CChainParams> CChainParams::Main()
666 : : {
667 : 2369 : return std::make_unique<const CMainParams>();
668 : : }
669 : :
670 : 1751 : std::unique_ptr<const CChainParams> CChainParams::TestNet()
671 : : {
672 : 1751 : return std::make_unique<const CTestNetParams>();
673 : : }
674 : :
675 : 1642 : std::unique_ptr<const CChainParams> CChainParams::TestNet4()
676 : : {
677 : 1642 : return std::make_unique<const CTestNet4Params>();
678 : : }
679 : :
680 : 15 : std::vector<int> CChainParams::GetAvailableSnapshotHeights() const
681 : : {
682 : 15 : std::vector<int> heights;
683 [ + - ]: 15 : heights.reserve(m_assumeutxo_data.size());
684 : :
685 [ + + ]: 60 : for (const auto& data : m_assumeutxo_data) {
686 [ + - ]: 45 : heights.emplace_back(data.height);
687 : : }
688 : 15 : return heights;
689 : 0 : }
690 : :
691 : 8 : std::optional<ChainType> GetNetworkForMagic(const MessageStartChars& message)
692 : : {
693 : 8 : const auto mainnet_msg = CChainParams::Main()->MessageStart();
694 : 8 : const auto testnet_msg = CChainParams::TestNet()->MessageStart();
695 : 8 : const auto testnet4_msg = CChainParams::TestNet4()->MessageStart();
696 : 8 : const auto regtest_msg = CChainParams::RegTest({})->MessageStart();
697 : 8 : const auto signet_msg = CChainParams::SigNet({})->MessageStart();
698 : :
699 [ + + ]: 8 : if (std::ranges::equal(message, mainnet_msg)) {
700 : 1 : return ChainType::MAIN;
701 [ + + ]: 7 : } else if (std::ranges::equal(message, testnet_msg)) {
702 : 1 : return ChainType::TESTNET;
703 [ - + ]: 6 : } else if (std::ranges::equal(message, testnet4_msg)) {
704 : 0 : return ChainType::TESTNET4;
705 [ + + ]: 6 : } else if (std::ranges::equal(message, regtest_msg)) {
706 : 3 : return ChainType::REGTEST;
707 [ + + ]: 3 : } else if (std::ranges::equal(message, signet_msg)) {
708 : 1 : return ChainType::SIGNET;
709 : : }
710 : 2 : return std::nullopt;
711 [ + - + - ]: 16 : }
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