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 : : // Workaround MSVC bug triggering C7595 when calling consteval constructors in
30 : : // initializer lists.
31 : : // A fix may be on the way:
32 : : // https://developercommunity.visualstudio.com/t/consteval-conversion-function-fails/1579014
33 : : #if defined(_MSC_VER)
34 : : auto consteval_ctor(auto&& input) { return input; }
35 : : #else
36 : : #define consteval_ctor(input) (input)
37 : : #endif
38 : :
39 : 4050 : static CBlock CreateGenesisBlock(const char* pszTimestamp, const CScript& genesisOutputScript, uint32_t nTime, uint32_t nNonce, uint32_t nBits, int32_t nVersion, const CAmount& genesisReward)
40 : : {
41 : 4050 : CMutableTransaction txNew;
42 : 4050 : txNew.version = 1;
43 [ + - ]: 4050 : txNew.vin.resize(1);
44 [ + - ]: 4050 : txNew.vout.resize(1);
45 [ + - + - : 4050 : txNew.vin[0].scriptSig = CScript() << 486604799 << CScriptNum(4) << std::vector<unsigned char>((const unsigned char*)pszTimestamp, (const unsigned char*)pszTimestamp + strlen(pszTimestamp));
+ - ]
46 : 4050 : txNew.vout[0].nValue = genesisReward;
47 : 4050 : txNew.vout[0].scriptPubKey = genesisOutputScript;
48 : :
49 : 4050 : CBlock genesis;
50 : 4050 : genesis.nTime = nTime;
51 : 4050 : genesis.nBits = nBits;
52 : 4050 : genesis.nNonce = nNonce;
53 : 4050 : genesis.nVersion = nVersion;
54 [ + - + - : 8100 : genesis.vtx.push_back(MakeTransactionRef(std::move(txNew)));
- + ]
55 : 4050 : genesis.hashPrevBlock.SetNull();
56 [ + - ]: 4050 : genesis.hashMerkleRoot = BlockMerkleRoot(genesis);
57 : 4050 : return genesis;
58 : 4050 : }
59 : :
60 : : /**
61 : : * Build the genesis block. Note that the output of its generation
62 : : * transaction cannot be spent since it did not originally exist in the
63 : : * database.
64 : : *
65 : : * CBlock(hash=000000000019d6, ver=1, hashPrevBlock=00000000000000, hashMerkleRoot=4a5e1e, nTime=1231006505, nBits=1d00ffff, nNonce=2083236893, vtx=1)
66 : : * CTransaction(hash=4a5e1e, ver=1, vin.size=1, vout.size=1, nLockTime=0)
67 : : * CTxIn(COutPoint(000000, -1), coinbase 04ffff001d0104455468652054696d65732030332f4a616e2f32303039204368616e63656c6c6f72206f6e206272696e6b206f66207365636f6e64206261696c6f757420666f722062616e6b73)
68 : : * CTxOut(nValue=50.00000000, scriptPubKey=0x5F1DF16B2B704C8A578D0B)
69 : : * vMerkleTree: 4a5e1e
70 : : */
71 : 3465 : static CBlock CreateGenesisBlock(uint32_t nTime, uint32_t nNonce, uint32_t nBits, int32_t nVersion, const CAmount& genesisReward)
72 : : {
73 : 3465 : const char* pszTimestamp = "The Times 03/Jan/2009 Chancellor on brink of second bailout for banks";
74 [ + - + - ]: 3465 : const CScript genesisOutputScript = CScript() << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f") << OP_CHECKSIG;
75 [ + - ]: 3465 : return CreateGenesisBlock(pszTimestamp, genesisOutputScript, nTime, nNonce, nBits, nVersion, genesisReward);
76 : 3465 : }
77 : :
78 : : /**
79 : : * Main network on which people trade goods and services.
80 : : */
81 : 0 : class CMainParams : public CChainParams {
82 : : public:
83 : 1308 : CMainParams() {
84 : 1308 : m_chain_type = ChainType::MAIN;
85 : 1308 : consensus.signet_blocks = false;
86 [ - + ]: 1308 : consensus.signet_challenge.clear();
87 : 1308 : consensus.nSubsidyHalvingInterval = 210000;
88 : 1308 : consensus.script_flag_exceptions.emplace( // BIP16 exception
89 [ + - ]: 1308 : uint256{"00000000000002dc756eebf4f49723ed8d30cc28a5f108eb94b1ba88ac4f9c22"}, SCRIPT_VERIFY_NONE);
90 : 1308 : consensus.script_flag_exceptions.emplace( // Taproot exception
91 [ + - ]: 1308 : uint256{"0000000000000000000f14c35b2d841e986ab5441de8c585d5ffe55ea1e395ad"}, SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_WITNESS);
92 : 1308 : consensus.BIP34Height = 227931;
93 : 1308 : consensus.BIP34Hash = uint256{"000000000000024b89b42a942fe0d9fea3bb44ab7bd1b19115dd6a759c0808b8"};
94 : 1308 : consensus.BIP65Height = 388381; // 000000000000000004c2b624ed5d7756c508d90fd0da2c7c679febfa6c4735f0
95 : 1308 : consensus.BIP66Height = 363725; // 00000000000000000379eaa19dce8c9b722d46ae6a57c2f1a988119488b50931
96 : 1308 : consensus.CSVHeight = 419328; // 000000000000000004a1b34462cb8aeebd5799177f7a29cf28f2d1961716b5b5
97 : 1308 : consensus.SegwitHeight = 481824; // 0000000000000000001c8018d9cb3b742ef25114f27563e3fc4a1902167f9893
98 : 1308 : consensus.MinBIP9WarningHeight = 483840; // segwit activation height + miner confirmation window
99 : 1308 : consensus.powLimit = uint256{"00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff"};
100 : 1308 : consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
101 : 1308 : consensus.nPowTargetSpacing = 10 * 60;
102 : 1308 : consensus.fPowAllowMinDifficultyBlocks = false;
103 : 1308 : consensus.enforce_BIP94 = false;
104 : 1308 : consensus.fPowNoRetargeting = false;
105 : 1308 : consensus.nRuleChangeActivationThreshold = 1815; // 90% of 2016
106 : 1308 : consensus.nMinerConfirmationWindow = 2016; // nPowTargetTimespan / nPowTargetSpacing
107 : 1308 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
108 : 1308 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
109 : 1308 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
110 : 1308 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
111 : :
112 : : // Deployment of Taproot (BIPs 340-342)
113 : 1308 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].bit = 2;
114 : 1308 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nStartTime = 1619222400; // April 24th, 2021
115 : 1308 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nTimeout = 1628640000; // August 11th, 2021
116 : 1308 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].min_activation_height = 709632; // Approximately November 12th, 2021
117 : :
118 : 1308 : consensus.nMinimumChainWork = uint256{"000000000000000000000000000000000000000088e186b70e0862c193ec44d6"};
119 : 1308 : consensus.defaultAssumeValid = uint256{"000000000000000000011c5890365bdbe5d25b97ce0057589acaef4f1a57263f"}; // 856760
120 : :
121 : : /**
122 : : * The message start string is designed to be unlikely to occur in normal data.
123 : : * The characters are rarely used upper ASCII, not valid as UTF-8, and produce
124 : : * a large 32-bit integer with any alignment.
125 : : */
126 [ + - ]: 1308 : pchMessageStart[0] = 0xf9;
127 : 1308 : pchMessageStart[1] = 0xbe;
128 : 1308 : pchMessageStart[2] = 0xb4;
129 : 1308 : pchMessageStart[3] = 0xd9;
130 : 1308 : nDefaultPort = 8333;
131 : 1308 : nPruneAfterHeight = 100000;
132 : 1308 : m_assumed_blockchain_size = 620;
133 : 1308 : m_assumed_chain_state_size = 14;
134 : :
135 [ + - ]: 1308 : genesis = CreateGenesisBlock(1231006505, 2083236893, 0x1d00ffff, 1, 50 * COIN);
136 [ + - ]: 1308 : consensus.hashGenesisBlock = genesis.GetHash();
137 [ - + ]: 1308 : assert(consensus.hashGenesisBlock == uint256{"000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f"});
138 [ - + ]: 1308 : assert(genesis.hashMerkleRoot == uint256{"4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"});
139 : :
140 : : // Note that of those which support the service bits prefix, most only support a subset of
141 : : // possible options.
142 : : // This is fine at runtime as we'll fall back to using them as an addrfetch if they don't support the
143 : : // service bits we want, but we should get them updated to support all service bits wanted by any
144 : : // release ASAP to avoid it where possible.
145 [ + - ]: 1308 : vSeeds.emplace_back("seed.bitcoin.sipa.be."); // Pieter Wuille, only supports x1, x5, x9, and xd
146 [ + - ]: 1308 : vSeeds.emplace_back("dnsseed.bluematt.me."); // Matt Corallo, only supports x9
147 [ + - ]: 1308 : vSeeds.emplace_back("dnsseed.bitcoin.dashjr-list-of-p2p-nodes.us."); // Luke Dashjr
148 [ + - ]: 1308 : vSeeds.emplace_back("seed.bitcoin.jonasschnelli.ch."); // Jonas Schnelli, only supports x1, x5, x9, and xd
149 [ + - ]: 1308 : vSeeds.emplace_back("seed.btc.petertodd.net."); // Peter Todd, only supports x1, x5, x9, and xd
150 [ + - ]: 1308 : vSeeds.emplace_back("seed.bitcoin.sprovoost.nl."); // Sjors Provoost
151 [ + - ]: 1308 : vSeeds.emplace_back("dnsseed.emzy.de."); // Stephan Oeste
152 [ + - ]: 1308 : vSeeds.emplace_back("seed.bitcoin.wiz.biz."); // Jason Maurice
153 [ + - ]: 1308 : 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
154 : :
155 [ + - + - ]: 1308 : base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,0);
156 [ + - + - ]: 1308 : base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,5);
157 [ + - + - ]: 1308 : base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,128);
158 [ + - ]: 1308 : base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x88, 0xB2, 0x1E};
159 [ + - ]: 1308 : base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x88, 0xAD, 0xE4};
160 : :
161 [ + - ]: 1308 : bech32_hrp = "bc";
162 : :
163 [ + - + - ]: 1308 : vFixedSeeds = std::vector<uint8_t>(std::begin(chainparams_seed_main), std::end(chainparams_seed_main));
164 : :
165 : 1308 : fDefaultConsistencyChecks = false;
166 : 1308 : m_is_mockable_chain = false;
167 : :
168 : 1308 : checkpointData = {
169 : : {
170 [ + - ]: 1308 : { 11111, uint256{"0000000069e244f73d78e8fd29ba2fd2ed618bd6fa2ee92559f542fdb26e7c1d"}},
171 : 1308 : { 33333, uint256{"000000002dd5588a74784eaa7ab0507a18ad16a236e7b1ce69f00d7ddfb5d0a6"}},
172 : 1308 : { 74000, uint256{"0000000000573993a3c9e41ce34471c079dcf5f52a0e824a81e7f953b8661a20"}},
173 : 1308 : {105000, uint256{"00000000000291ce28027faea320c8d2b054b2e0fe44a773f3eefb151d6bdc97"}},
174 : 1308 : {134444, uint256{"00000000000005b12ffd4cd315cd34ffd4a594f430ac814c91184a0d42d2b0fe"}},
175 : 1308 : {168000, uint256{"000000000000099e61ea72015e79632f216fe6cb33d7899acb35b75c8303b763"}},
176 : 1308 : {193000, uint256{"000000000000059f452a5f7340de6682a977387c17010ff6e6c3bd83ca8b1317"}},
177 : 1308 : {210000, uint256{"000000000000048b95347e83192f69cf0366076336c639f9b7228e9ba171342e"}},
178 : 1308 : {216116, uint256{"00000000000001b4f4b433e81ee46494af945cf96014816a4e2370f11b23df4e"}},
179 : 1308 : {225430, uint256{"00000000000001c108384350f74090433e7fcf79a606b8e797f065b130575932"}},
180 : 1308 : {250000, uint256{"000000000000003887df1f29024b06fc2200b55f8af8f35453d7be294df2d214"}},
181 : 1308 : {279000, uint256{"0000000000000001ae8c72a0b0c301f67e3afca10e819efa9041e458e9bd7e40"}},
182 : 1308 : {295000, uint256{"00000000000000004d9b4ef50f0f9d686fd69db2e03af35a100370c64632a983"}},
183 : : }
184 : 1308 : };
185 : :
186 : 1308 : m_assumeutxo_data = {
187 : : {
188 : : .height = 840'000,
189 [ + - ]: 1308 : .hash_serialized = AssumeutxoHash{uint256{"a2a5521b1b5ab65f67818e5e8eccabb7171a517f9e2382208f77687310768f96"}},
190 : : .m_chain_tx_count = 991032194,
191 : : .blockhash = consteval_ctor(uint256{"0000000000000000000320283a032748cef8227873ff4872689bf23f1cda83a5"}),
192 : : }
193 [ + - ]: 1308 : };
194 : :
195 : 1308 : chainTxData = ChainTxData{
196 : : // Data from RPC: getchaintxstats 4096 000000000000000000011c5890365bdbe5d25b97ce0057589acaef4f1a57263f
197 : : .nTime = 1723649144,
198 : : .tx_count = 1059312821,
199 : : .dTxRate = 6.721086701157182,
200 : : };
201 [ + - ]: 2616 : }
202 : : };
203 : :
204 : : /**
205 : : * Testnet (v3): public test network which is reset from time to time.
206 : : */
207 : 0 : class CTestNetParams : public CChainParams {
208 : : public:
209 : 691 : CTestNetParams() {
210 : 691 : m_chain_type = ChainType::TESTNET;
211 : 691 : consensus.signet_blocks = false;
212 [ - + ]: 691 : consensus.signet_challenge.clear();
213 : 691 : consensus.nSubsidyHalvingInterval = 210000;
214 : 691 : consensus.script_flag_exceptions.emplace( // BIP16 exception
215 [ + - ]: 691 : uint256{"00000000dd30457c001f4095d208cc1296b0eed002427aa599874af7a432b105"}, SCRIPT_VERIFY_NONE);
216 : 691 : consensus.BIP34Height = 21111;
217 : 691 : consensus.BIP34Hash = uint256{"0000000023b3a96d3484e5abb3755c413e7d41500f8e2a5c3f0dd01299cd8ef8"};
218 : 691 : consensus.BIP65Height = 581885; // 00000000007f6655f22f98e72ed80d8b06dc761d5da09df0fa1dc4be4f861eb6
219 : 691 : consensus.BIP66Height = 330776; // 000000002104c8c45e99a8853285a3b592602a3ccde2b832481da85e9e4ba182
220 : 691 : consensus.CSVHeight = 770112; // 00000000025e930139bac5c6c31a403776da130831ab85be56578f3fa75369bb
221 : 691 : consensus.SegwitHeight = 834624; // 00000000002b980fcd729daaa248fd9316a5200e9b367f4ff2c42453e84201ca
222 : 691 : consensus.MinBIP9WarningHeight = 836640; // segwit activation height + miner confirmation window
223 : 691 : consensus.powLimit = uint256{"00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff"};
224 : 691 : consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
225 : 691 : consensus.nPowTargetSpacing = 10 * 60;
226 : 691 : consensus.fPowAllowMinDifficultyBlocks = true;
227 : 691 : consensus.enforce_BIP94 = false;
228 : 691 : consensus.fPowNoRetargeting = false;
229 : 691 : consensus.nRuleChangeActivationThreshold = 1512; // 75% for testchains
230 : 691 : consensus.nMinerConfirmationWindow = 2016; // nPowTargetTimespan / nPowTargetSpacing
231 : 691 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
232 : 691 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
233 : 691 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
234 : 691 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
235 : :
236 : : // Deployment of Taproot (BIPs 340-342)
237 : 691 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].bit = 2;
238 : 691 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nStartTime = 1619222400; // April 24th, 2021
239 : 691 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nTimeout = 1628640000; // August 11th, 2021
240 : 691 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].min_activation_height = 0; // No activation delay
241 : :
242 : 691 : consensus.nMinimumChainWork = uint256{"000000000000000000000000000000000000000000000f209695166be8b61fa9"};
243 : 691 : consensus.defaultAssumeValid = uint256{"000000000000000465b1a66c9f386308e8c75acef9201f3f577811da09fc90ad"}; // 2873500
244 : :
245 [ + - ]: 691 : pchMessageStart[0] = 0x0b;
246 : 691 : pchMessageStart[1] = 0x11;
247 : 691 : pchMessageStart[2] = 0x09;
248 : 691 : pchMessageStart[3] = 0x07;
249 : 691 : nDefaultPort = 18333;
250 : 691 : nPruneAfterHeight = 1000;
251 : 691 : m_assumed_blockchain_size = 93;
252 : 691 : m_assumed_chain_state_size = 19;
253 : :
254 [ + - ]: 691 : genesis = CreateGenesisBlock(1296688602, 414098458, 0x1d00ffff, 1, 50 * COIN);
255 [ + - ]: 691 : consensus.hashGenesisBlock = genesis.GetHash();
256 [ - + ]: 691 : assert(consensus.hashGenesisBlock == uint256{"000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943"});
257 [ - + ]: 691 : assert(genesis.hashMerkleRoot == uint256{"4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"});
258 : :
259 [ - + ]: 691 : vFixedSeeds.clear();
260 : 691 : vSeeds.clear();
261 : : // nodes with support for servicebits filtering should be at the top
262 [ + - ]: 691 : vSeeds.emplace_back("testnet-seed.bitcoin.jonasschnelli.ch.");
263 [ + - ]: 691 : vSeeds.emplace_back("seed.tbtc.petertodd.net.");
264 [ + - ]: 691 : vSeeds.emplace_back("seed.testnet.bitcoin.sprovoost.nl.");
265 [ + - ]: 691 : vSeeds.emplace_back("testnet-seed.bluematt.me."); // Just a static list of stable node(s), only supports x9
266 [ + - ]: 691 : 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
267 : :
268 [ + - + - ]: 691 : base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
269 [ + - + - ]: 691 : base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
270 [ + - + - ]: 691 : base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,239);
271 [ + - ]: 691 : base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
272 [ + - ]: 691 : base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
273 : :
274 [ + - ]: 691 : bech32_hrp = "tb";
275 : :
276 [ + - + - ]: 691 : vFixedSeeds = std::vector<uint8_t>(std::begin(chainparams_seed_test), std::end(chainparams_seed_test));
277 : :
278 : 691 : fDefaultConsistencyChecks = false;
279 : 691 : m_is_mockable_chain = false;
280 : :
281 : 691 : checkpointData = {
282 : : {
283 [ + - ]: 691 : {546, uint256{"000000002a936ca763904c3c35fce2f3556c559c0214345d31b1bcebf76acb70"}},
284 : : }
285 : 691 : };
286 : :
287 : 691 : m_assumeutxo_data = {
288 : : {
289 : : .height = 2'500'000,
290 [ + - ]: 691 : .hash_serialized = AssumeutxoHash{uint256{"f841584909f68e47897952345234e37fcd9128cd818f41ee6c3ca68db8071be7"}},
291 : : .m_chain_tx_count = 66484552,
292 : : .blockhash = consteval_ctor(uint256{"0000000000000093bcb68c03a9a168ae252572d348a2eaeba2cdf9231d73206f"}),
293 : : }
294 [ + - ]: 691 : };
295 : :
296 : 691 : chainTxData = ChainTxData{
297 : : // Data from RPC: getchaintxstats 4096 000000000000000465b1a66c9f386308e8c75acef9201f3f577811da09fc90ad
298 : : .nTime = 1723613341,
299 : : .tx_count = 187917082,
300 : : .dTxRate = 3.265051477698455,
301 : : };
302 [ + - ]: 1382 : }
303 : : };
304 : :
305 : : /**
306 : : * Testnet (v4): public test network which is reset from time to time.
307 : : */
308 : 0 : class CTestNet4Params : public CChainParams {
309 : : public:
310 : 585 : CTestNet4Params() {
311 : 585 : m_chain_type = ChainType::TESTNET4;
312 : 585 : consensus.signet_blocks = false;
313 [ - + ]: 585 : consensus.signet_challenge.clear();
314 : 585 : consensus.nSubsidyHalvingInterval = 210000;
315 : 585 : consensus.BIP34Height = 1;
316 [ + - ]: 585 : consensus.BIP34Hash = uint256{};
317 : 585 : consensus.BIP65Height = 1;
318 : 585 : consensus.BIP66Height = 1;
319 : 585 : consensus.CSVHeight = 1;
320 : 585 : consensus.SegwitHeight = 1;
321 : 585 : consensus.MinBIP9WarningHeight = 0;
322 [ + - ]: 585 : consensus.powLimit = uint256S("00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
323 : 585 : consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
324 : 585 : consensus.nPowTargetSpacing = 10 * 60;
325 : 585 : consensus.fPowAllowMinDifficultyBlocks = true;
326 : 585 : consensus.enforce_BIP94 = true;
327 : 585 : consensus.fPowNoRetargeting = false;
328 : 585 : consensus.nRuleChangeActivationThreshold = 1512; // 75% for testchains
329 : 585 : consensus.nMinerConfirmationWindow = 2016; // nPowTargetTimespan / nPowTargetSpacing
330 : 585 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
331 : 585 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
332 : 585 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
333 : 585 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
334 : :
335 : : // Deployment of Taproot (BIPs 340-342)
336 : 585 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].bit = 2;
337 : 585 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nStartTime = Consensus::BIP9Deployment::ALWAYS_ACTIVE;
338 : 585 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
339 : 585 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].min_activation_height = 0; // No activation delay
340 : :
341 : 585 : consensus.nMinimumChainWork = uint256{"00000000000000000000000000000000000000000000005faa15d02e6202f3ba"};
342 : 585 : consensus.defaultAssumeValid = uint256{"000000005be348057db991fa5d89fe7c4695b667cfb311391a8db374b6f681fd"}; // 39550
343 : :
344 [ + - ]: 585 : pchMessageStart[0] = 0x1c;
345 : 585 : pchMessageStart[1] = 0x16;
346 : 585 : pchMessageStart[2] = 0x3f;
347 : 585 : pchMessageStart[3] = 0x28;
348 : 585 : nDefaultPort = 48333;
349 : 585 : nPruneAfterHeight = 1000;
350 : 585 : m_assumed_blockchain_size = 1;
351 : 585 : m_assumed_chain_state_size = 0;
352 : :
353 : 585 : const char* testnet4_genesis_msg = "03/May/2024 000000000000000000001ebd58c244970b3aa9d783bb001011fbe8ea8e98e00e";
354 [ + - + - ]: 585 : const CScript testnet4_genesis_script = CScript() << ParseHex("000000000000000000000000000000000000000000000000000000000000000000") << OP_CHECKSIG;
355 : 1170 : genesis = CreateGenesisBlock(testnet4_genesis_msg,
356 : : testnet4_genesis_script,
357 : : 1714777860,
358 : : 393743547,
359 : : 0x1d00ffff,
360 : : 1,
361 [ + - ]: 585 : 50 * COIN);
362 [ + - ]: 585 : consensus.hashGenesisBlock = genesis.GetHash();
363 [ + - - + ]: 1170 : assert(consensus.hashGenesisBlock == uint256S("0x00000000da84f2bafbbc53dee25a72ae507ff4914b867c565be350b0da8bf043"));
364 [ + - - + ]: 1170 : assert(genesis.hashMerkleRoot == uint256S("0x7aa0a7ae1e223414cb807e40cd57e667b718e42aaf9306db9102fe28912b7b4e"));
365 : :
366 [ - + ]: 585 : vFixedSeeds.clear();
367 : 585 : vSeeds.clear();
368 : : // nodes with support for servicebits filtering should be at the top
369 [ + - ]: 585 : vSeeds.emplace_back("seed.testnet4.bitcoin.sprovoost.nl."); // Sjors Provoost
370 [ + - ]: 585 : vSeeds.emplace_back("seed.testnet4.wiz.biz."); // Jason Maurice
371 : :
372 [ + - + - ]: 585 : base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
373 [ + - + - ]: 585 : base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
374 [ + - + - ]: 585 : base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,239);
375 [ + - ]: 585 : base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
376 [ + - ]: 585 : base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
377 : :
378 [ + - ]: 585 : bech32_hrp = "tb";
379 : :
380 [ + - + - ]: 585 : vFixedSeeds = std::vector<uint8_t>(std::begin(chainparams_seed_testnet4), std::end(chainparams_seed_testnet4));
381 : :
382 : 585 : fDefaultConsistencyChecks = false;
383 : 585 : m_is_mockable_chain = false;
384 : :
385 : 585 : checkpointData = {
386 : : {
387 : : {},
388 : : }
389 : 585 : };
390 : :
391 : 585 : m_assumeutxo_data = {
392 : : {}
393 [ + - ]: 585 : };
394 : :
395 : 585 : chainTxData = ChainTxData{
396 : : // Data from RPC: getchaintxstats 4096 000000005be348057db991fa5d89fe7c4695b667cfb311391a8db374b6f681fd
397 : : .nTime = 1723651702,
398 : : .tx_count = 757229,
399 : : .dTxRate = 0.01570402633472492,
400 : : };
401 [ + - ]: 1170 : }
402 : : };
403 : :
404 : : /**
405 : : * Signet: test network with an additional consensus parameter (see BIP325).
406 : : */
407 : 0 : class SigNetParams : public CChainParams {
408 : : public:
409 : 692 : explicit SigNetParams(const SigNetOptions& options)
410 : 692 : {
411 : 692 : std::vector<uint8_t> bin;
412 : 692 : vSeeds.clear();
413 : :
414 [ + + ]: 692 : if (!options.challenge) {
415 [ + - ]: 1382 : bin = ParseHex("512103ad5e0edad18cb1f0fc0d28a3d4f1f3e445640337489abb10404f2d1e086be430210359ef5021964fe22d6f8e05b2463c9540ce96883fe3b278760f048f5189f2e6c452ae");
416 [ + - ]: 691 : vSeeds.emplace_back("seed.signet.bitcoin.sprovoost.nl.");
417 [ + - ]: 691 : 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
418 : :
419 : : // Hardcoded nodes can be removed once there are more DNS seeds
420 [ + - ]: 691 : vSeeds.emplace_back("178.128.221.177");
421 [ + - ]: 691 : vSeeds.emplace_back("v7ajjeirttkbnt32wpy3c6w3emwnfr3fkla7hpxcfokr3ysd3kqtzmqd.onion:38333");
422 : :
423 : 691 : consensus.nMinimumChainWork = uint256{"0000000000000000000000000000000000000000000000000000025dbd66e58f"};
424 : 691 : consensus.defaultAssumeValid = uint256{"0000014aad1d58dddcb964dd749b073374c6306e716b22f573a2efe68d414539"}; // 208800
425 : 691 : m_assumed_blockchain_size = 2;
426 : 691 : m_assumed_chain_state_size = 0;
427 : 691 : chainTxData = ChainTxData{
428 : : // Data from RPC: getchaintxstats 4096 0000014aad1d58dddcb964dd749b073374c6306e716b22f573a2efe68d414539
429 : : .nTime = 1723655233,
430 : : .tx_count = 5507045,
431 : : .dTxRate = 0.06271073277261494,
432 : : };
433 : : } else {
434 [ + - ]: 1 : bin = *options.challenge;
435 [ + - ]: 1 : consensus.nMinimumChainWork = uint256{};
436 : 1 : consensus.defaultAssumeValid = uint256{};
437 : 1 : m_assumed_blockchain_size = 0;
438 : 1 : m_assumed_chain_state_size = 0;
439 : 1 : chainTxData = ChainTxData{
440 : : 0,
441 : : 0,
442 : : 0,
443 : : };
444 [ + - + - ]: 2 : LogPrintf("Signet with challenge %s\n", HexStr(bin));
445 : : }
446 : :
447 [ - + ]: 692 : if (options.seeds) {
448 [ # # ]: 0 : vSeeds = *options.seeds;
449 : : }
450 : :
451 : 692 : m_chain_type = ChainType::SIGNET;
452 : 692 : consensus.signet_blocks = true;
453 [ + - ]: 692 : consensus.signet_challenge.assign(bin.begin(), bin.end());
454 : 692 : consensus.nSubsidyHalvingInterval = 210000;
455 : 692 : consensus.BIP34Height = 1;
456 [ + - ]: 692 : consensus.BIP34Hash = uint256{};
457 : 692 : consensus.BIP65Height = 1;
458 : 692 : consensus.BIP66Height = 1;
459 : 692 : consensus.CSVHeight = 1;
460 : 692 : consensus.SegwitHeight = 1;
461 : 692 : consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
462 : 692 : consensus.nPowTargetSpacing = 10 * 60;
463 : 692 : consensus.fPowAllowMinDifficultyBlocks = false;
464 : 692 : consensus.enforce_BIP94 = false;
465 : 692 : consensus.fPowNoRetargeting = false;
466 : 692 : consensus.nRuleChangeActivationThreshold = 1815; // 90% of 2016
467 : 692 : consensus.nMinerConfirmationWindow = 2016; // nPowTargetTimespan / nPowTargetSpacing
468 : 692 : consensus.MinBIP9WarningHeight = 0;
469 : 692 : consensus.powLimit = uint256{"00000377ae000000000000000000000000000000000000000000000000000000"};
470 : 692 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
471 : 692 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = Consensus::BIP9Deployment::NEVER_ACTIVE;
472 : 692 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
473 : 692 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
474 : :
475 : : // Activation of Taproot (BIPs 340-342)
476 : 692 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].bit = 2;
477 : 692 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nStartTime = Consensus::BIP9Deployment::ALWAYS_ACTIVE;
478 : 692 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
479 : 692 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].min_activation_height = 0; // No activation delay
480 : :
481 : : // message start is defined as the first 4 bytes of the sha256d of the block script
482 [ + - ]: 692 : HashWriter h{};
483 [ + - ]: 692 : h << consensus.signet_challenge;
484 [ + - ]: 692 : uint256 hash = h.GetHash();
485 : 692 : std::copy_n(hash.begin(), 4, pchMessageStart.begin());
486 : :
487 : 692 : nDefaultPort = 38333;
488 : 692 : nPruneAfterHeight = 1000;
489 : :
490 [ + - ]: 692 : genesis = CreateGenesisBlock(1598918400, 52613770, 0x1e0377ae, 1, 50 * COIN);
491 [ + - ]: 692 : consensus.hashGenesisBlock = genesis.GetHash();
492 [ - + ]: 692 : assert(consensus.hashGenesisBlock == uint256{"00000008819873e925422c1ff0f99f7cc9bbb232af63a077a480a3633bee1ef6"});
493 [ - + ]: 692 : assert(genesis.hashMerkleRoot == uint256{"4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"});
494 : :
495 [ - + ]: 692 : vFixedSeeds.clear();
496 : :
497 : 692 : m_assumeutxo_data = {
498 : : {
499 : : .height = 160'000,
500 [ + - ]: 692 : .hash_serialized = AssumeutxoHash{uint256{"fe0a44309b74d6b5883d246cb419c6221bcccf0b308c9b59b7d70783dbdf928a"}},
501 : : .m_chain_tx_count = 2289496,
502 : : .blockhash = consteval_ctor(uint256{"0000003ca3c99aff040f2563c2ad8f8ec88bd0fd6b8f0895cfaf1ef90353a62c"}),
503 : : }
504 [ + - ]: 692 : };
505 : :
506 [ + - + - ]: 692 : base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
507 [ + - + - ]: 692 : base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
508 [ + - + - ]: 692 : base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,239);
509 [ + - ]: 692 : base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
510 [ + - ]: 692 : base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
511 : :
512 [ + - ]: 692 : bech32_hrp = "tb";
513 : :
514 : 692 : fDefaultConsistencyChecks = false;
515 : 692 : m_is_mockable_chain = false;
516 : 692 : }
517 : : };
518 : :
519 : : /**
520 : : * Regression test: intended for private networks only. Has minimal difficulty to ensure that
521 : : * blocks can be found instantly.
522 : : */
523 : 0 : class CRegTestParams : public CChainParams
524 : : {
525 : : public:
526 : 774 : explicit CRegTestParams(const RegTestOptions& opts)
527 : 774 : {
528 : 774 : m_chain_type = ChainType::REGTEST;
529 : 774 : consensus.signet_blocks = false;
530 [ - + ]: 774 : consensus.signet_challenge.clear();
531 : 774 : consensus.nSubsidyHalvingInterval = 150;
532 : 774 : consensus.BIP34Height = 1; // Always active unless overridden
533 [ + - ]: 774 : consensus.BIP34Hash = uint256();
534 : 774 : consensus.BIP65Height = 1; // Always active unless overridden
535 : 774 : consensus.BIP66Height = 1; // Always active unless overridden
536 : 774 : consensus.CSVHeight = 1; // Always active unless overridden
537 : 774 : consensus.SegwitHeight = 0; // Always active unless overridden
538 : 774 : consensus.MinBIP9WarningHeight = 0;
539 : 774 : consensus.powLimit = uint256{"7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"};
540 : 774 : consensus.nPowTargetTimespan = 24 * 60 * 60; // one day
541 : 774 : consensus.nPowTargetSpacing = 10 * 60;
542 : 774 : consensus.fPowAllowMinDifficultyBlocks = true;
543 : 774 : consensus.enforce_BIP94 = true;
544 : 774 : consensus.fPowNoRetargeting = true;
545 : 774 : consensus.nRuleChangeActivationThreshold = 108; // 75% for testchains
546 : 774 : consensus.nMinerConfirmationWindow = 144; // Faster than normal for regtest (144 instead of 2016)
547 : :
548 : 774 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
549 : 774 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = 0;
550 : 774 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
551 : 774 : consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].min_activation_height = 0; // No activation delay
552 : :
553 : 774 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].bit = 2;
554 : 774 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nStartTime = Consensus::BIP9Deployment::ALWAYS_ACTIVE;
555 : 774 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
556 : 774 : consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].min_activation_height = 0; // No activation delay
557 : :
558 : 774 : consensus.nMinimumChainWork = uint256{};
559 : 774 : consensus.defaultAssumeValid = uint256{};
560 : :
561 [ + - ]: 774 : pchMessageStart[0] = 0xfa;
562 : 774 : pchMessageStart[1] = 0xbf;
563 : 774 : pchMessageStart[2] = 0xb5;
564 : 774 : pchMessageStart[3] = 0xda;
565 : 774 : nDefaultPort = 18444;
566 [ + - ]: 774 : nPruneAfterHeight = opts.fastprune ? 100 : 1000;
567 : 774 : m_assumed_blockchain_size = 0;
568 : 774 : m_assumed_chain_state_size = 0;
569 : :
570 [ - - + - : 777 : for (const auto& [dep, height] : opts.activation_heights) {
- - + + ]
571 [ - - + - : 3 : switch (dep) {
- - ]
572 : 0 : case Consensus::BuriedDeployment::DEPLOYMENT_SEGWIT:
573 : 0 : consensus.SegwitHeight = int{height};
574 : 0 : break;
575 : 0 : case Consensus::BuriedDeployment::DEPLOYMENT_HEIGHTINCB:
576 : 0 : consensus.BIP34Height = int{height};
577 : 0 : break;
578 : 3 : case Consensus::BuriedDeployment::DEPLOYMENT_DERSIG:
579 : 3 : consensus.BIP66Height = int{height};
580 : 3 : break;
581 : 0 : case Consensus::BuriedDeployment::DEPLOYMENT_CLTV:
582 : 0 : consensus.BIP65Height = int{height};
583 : 0 : break;
584 : 0 : case Consensus::BuriedDeployment::DEPLOYMENT_CSV:
585 : 0 : consensus.CSVHeight = int{height};
586 : 0 : break;
587 : : }
588 : : }
589 : :
590 [ + + ]: 776 : for (const auto& [deployment_pos, version_bits_params] : opts.version_bits_parameters) {
591 : 2 : consensus.vDeployments[deployment_pos].nStartTime = version_bits_params.start_time;
592 : 2 : consensus.vDeployments[deployment_pos].nTimeout = version_bits_params.timeout;
593 : 2 : consensus.vDeployments[deployment_pos].min_activation_height = version_bits_params.min_activation_height;
594 : : }
595 : :
596 [ + - ]: 774 : genesis = CreateGenesisBlock(1296688602, 2, 0x207fffff, 1, 50 * COIN);
597 [ + - ]: 774 : consensus.hashGenesisBlock = genesis.GetHash();
598 [ - + ]: 774 : assert(consensus.hashGenesisBlock == uint256{"0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206"});
599 [ - + ]: 774 : assert(genesis.hashMerkleRoot == uint256{"4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"});
600 : :
601 [ - + ]: 774 : vFixedSeeds.clear(); //!< Regtest mode doesn't have any fixed seeds.
602 : 774 : vSeeds.clear();
603 [ + - ]: 774 : vSeeds.emplace_back("dummySeed.invalid.");
604 : :
605 : 774 : fDefaultConsistencyChecks = true;
606 : 774 : m_is_mockable_chain = true;
607 : :
608 : 774 : checkpointData = {
609 : : {
610 [ + - ]: 774 : {0, uint256{"0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206"}},
611 : : }
612 : 774 : };
613 : :
614 : 774 : m_assumeutxo_data = {
615 : : { // For use by unit tests
616 : : .height = 110,
617 [ + - ]: 774 : .hash_serialized = AssumeutxoHash{uint256{"6657b736d4fe4db0cbc796789e812d5dba7f5c143764b1b6905612f1830609d1"}},
618 : : .m_chain_tx_count = 111,
619 : : .blockhash = consteval_ctor(uint256{"696e92821f65549c7ee134edceeeeaaa4105647a3c4fd9f298c0aec0ab50425c"}),
620 : : },
621 : : {
622 : : // For use by fuzz target src/test/fuzz/utxo_snapshot.cpp
623 : : .height = 200,
624 : 774 : .hash_serialized = AssumeutxoHash{uint256{"4f34d431c3e482f6b0d67b64609ece3964dc8d7976d02ac68dd7c9c1421738f2"}},
625 : : .m_chain_tx_count = 201,
626 : : .blockhash = consteval_ctor(uint256{"5e93653318f294fb5aa339d00bbf8cf1c3515488ad99412c37608b139ea63b27"}),
627 : : },
628 : : {
629 : : // For use by test/functional/feature_assumeutxo.py
630 : : .height = 299,
631 : 774 : .hash_serialized = AssumeutxoHash{uint256{"a4bf3407ccb2cc0145c49ebba8fa91199f8a3903daf0883875941497d2493c27"}},
632 : : .m_chain_tx_count = 334,
633 : : .blockhash = consteval_ctor(uint256{"3bb7ce5eba0be48939b7a521ac1ba9316afee2c7bada3a0cca24188e6d7d96c0"}),
634 : : },
635 [ + - ]: 774 : };
636 : :
637 : 774 : chainTxData = ChainTxData{
638 : : 0,
639 : : 0,
640 : : 0
641 : : };
642 : :
643 [ + - + - ]: 774 : base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
644 [ + - + - ]: 774 : base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
645 [ + - + - ]: 774 : base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,239);
646 [ + - ]: 774 : base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
647 [ + - ]: 774 : base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
648 : :
649 [ + - ]: 774 : bech32_hrp = "bcrt";
650 [ + - ]: 1548 : }
651 : : };
652 : :
653 : 692 : std::unique_ptr<const CChainParams> CChainParams::SigNet(const SigNetOptions& options)
654 : : {
655 : 692 : return std::make_unique<const SigNetParams>(options);
656 : : }
657 : :
658 : 774 : std::unique_ptr<const CChainParams> CChainParams::RegTest(const RegTestOptions& options)
659 : : {
660 : 774 : return std::make_unique<const CRegTestParams>(options);
661 : : }
662 : :
663 : 1308 : std::unique_ptr<const CChainParams> CChainParams::Main()
664 : : {
665 : 1308 : return std::make_unique<const CMainParams>();
666 : : }
667 : :
668 : 691 : std::unique_ptr<const CChainParams> CChainParams::TestNet()
669 : : {
670 : 691 : return std::make_unique<const CTestNetParams>();
671 : : }
672 : :
673 : 585 : std::unique_ptr<const CChainParams> CChainParams::TestNet4()
674 : : {
675 : 585 : return std::make_unique<const CTestNet4Params>();
676 : : }
677 : :
678 : 12 : std::vector<int> CChainParams::GetAvailableSnapshotHeights() const
679 : : {
680 : 12 : std::vector<int> heights;
681 [ + - ]: 12 : heights.reserve(m_assumeutxo_data.size());
682 : :
683 [ + + ]: 48 : for (const auto& data : m_assumeutxo_data) {
684 [ + - ]: 36 : heights.emplace_back(data.height);
685 : : }
686 : 12 : return heights;
687 : 0 : }
688 : :
689 : 0 : std::optional<ChainType> GetNetworkForMagic(const MessageStartChars& message)
690 : : {
691 : 0 : const auto mainnet_msg = CChainParams::Main()->MessageStart();
692 : 0 : const auto testnet_msg = CChainParams::TestNet()->MessageStart();
693 : 0 : const auto testnet4_msg = CChainParams::TestNet4()->MessageStart();
694 : 0 : const auto regtest_msg = CChainParams::RegTest({})->MessageStart();
695 : 0 : const auto signet_msg = CChainParams::SigNet({})->MessageStart();
696 : :
697 [ # # ]: 0 : if (std::equal(message.begin(), message.end(), mainnet_msg.data())) {
698 : 0 : return ChainType::MAIN;
699 [ # # ]: 0 : } else if (std::equal(message.begin(), message.end(), testnet_msg.data())) {
700 : 0 : return ChainType::TESTNET;
701 [ # # ]: 0 : } else if (std::equal(message.begin(), message.end(), testnet4_msg.data())) {
702 : 0 : return ChainType::TESTNET4;
703 [ # # ]: 0 : } else if (std::equal(message.begin(), message.end(), regtest_msg.data())) {
704 : 0 : return ChainType::REGTEST;
705 [ # # ]: 0 : } else if (std::equal(message.begin(), message.end(), signet_msg.data())) {
706 : 0 : return ChainType::SIGNET;
707 : : }
708 : 0 : return std::nullopt;
709 [ # # # # ]: 0 : }
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