You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

chainparams.cpp 14KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293
  1. // Copyright (c) 2010 Satoshi Nakamoto
  2. // Copyright (c) 2009-2015 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. #include "chainparams.h"
  6. #include "consensus/merkle.h"
  7. #include "tinyformat.h"
  8. #include "util.h"
  9. #include "utilstrencodings.h"
  10. #include <assert.h>
  11. #include <boost/assign/list_of.hpp>
  12. #include "chainparamsseeds.h"
  13. static CBlock CreateGenesisBlock(const char* pszTimestamp, const CScript& genesisOutputScript, uint32_t nTime, uint32_t nNonce, uint32_t nBits, int32_t nVersion, const CAmount& genesisReward)
  14. {
  15. CMutableTransaction txNew;
  16. txNew.nVersion = 1;
  17. txNew.vin.resize(1);
  18. txNew.vout.resize(1);
  19. txNew.vin[0].scriptSig = CScript() << 486604799 << CScriptNum(4) << std::vector<unsigned char>((const unsigned char*)pszTimestamp, (const unsigned char*)pszTimestamp + strlen(pszTimestamp));
  20. txNew.vout[0].nValue = genesisReward;
  21. txNew.vout[0].scriptPubKey = genesisOutputScript;
  22. CBlock genesis;
  23. genesis.nTime = nTime;
  24. genesis.nBits = nBits;
  25. genesis.nNonce = nNonce;
  26. genesis.nVersion = nVersion;
  27. genesis.vtx.push_back(txNew);
  28. genesis.hashPrevBlock.SetNull();
  29. genesis.hashMerkleRoot = BlockMerkleRoot(genesis);
  30. return genesis;
  31. }
  32. /**
  33. * Build the genesis block. Note that the output of its generation
  34. * transaction cannot be spent since it did not originally exist in the
  35. * database.
  36. *
  37. * CBlock(hash=000000000019d6, ver=1, hashPrevBlock=00000000000000, hashMerkleRoot=4a5e1e, nTime=1231006505, nBits=1d00ffff, nNonce=2083236893, vtx=1)
  38. * CTransaction(hash=4a5e1e, ver=1, vin.size=1, vout.size=1, nLockTime=0)
  39. * CTxIn(COutPoint(000000, -1), coinbase 04ffff001d0104455468652054696d65732030332f4a616e2f32303039204368616e63656c6c6f72206f6e206272696e6b206f66207365636f6e64206261696c6f757420666f722062616e6b73)
  40. * CTxOut(nValue=50.00000000, scriptPubKey=0x5F1DF16B2B704C8A578D0B)
  41. * vMerkleTree: 4a5e1e
  42. */
  43. static CBlock CreateGenesisBlock(uint32_t nTime, uint32_t nNonce, uint32_t nBits, int32_t nVersion, const CAmount& genesisReward)
  44. {
  45. const char* pszTimestamp = "The Times 03/Jan/2009 Chancellor on brink of second bailout for banks";
  46. const CScript genesisOutputScript = CScript() << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f") << OP_CHECKSIG;
  47. return CreateGenesisBlock(pszTimestamp, genesisOutputScript, nTime, nNonce, nBits, nVersion, genesisReward);
  48. }
  49. /**
  50. * Main network
  51. */
  52. /**
  53. * What makes a good checkpoint block?
  54. * + Is surrounded by blocks with reasonable timestamps
  55. * (no blocks before with a timestamp after, none after with
  56. * timestamp before)
  57. * + Contains no strange transactions
  58. */
  59. class CMainParams : public CChainParams {
  60. public:
  61. CMainParams() {
  62. strNetworkID = "main";
  63. consensus.nSubsidyHalvingInterval = 210000;
  64. consensus.nMajorityEnforceBlockUpgrade = 750;
  65. consensus.nMajorityRejectBlockOutdated = 950;
  66. consensus.nMajorityWindow = 1000;
  67. consensus.BIP34Height = 227931;
  68. consensus.BIP34Hash = uint256S("0x000000000000024b89b42a942fe0d9fea3bb44ab7bd1b19115dd6a759c0808b8");
  69. consensus.powLimit = uint256S("00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
  70. consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
  71. consensus.nPowTargetSpacing = 10 * 60;
  72. consensus.fPowAllowMinDifficultyBlocks = false;
  73. consensus.fPowNoRetargeting = false;
  74. /**
  75. * The message start string is designed to be unlikely to occur in normal data.
  76. * The characters are rarely used upper ASCII, not valid as UTF-8, and produce
  77. * a large 32-bit integer with any alignment.
  78. */
  79. pchMessageStart[0] = 0xf9;
  80. pchMessageStart[1] = 0xbe;
  81. pchMessageStart[2] = 0xb4;
  82. pchMessageStart[3] = 0xd9;
  83. vAlertPubKey = ParseHex("04fc9702847840aaf195de8442ebecedf5b095cdbb9bc716bda9110971b28a49e0ead8564ff0db22209e0374782c093bb899692d524e9d6a6956e7c5ecbcd68284");
  84. nDefaultPort = 8333;
  85. nMaxTipAge = 24 * 60 * 60;
  86. nPruneAfterHeight = 100000;
  87. genesis = CreateGenesisBlock(1231006505, 2083236893, 0x1d00ffff, 1, 50 * COIN);
  88. consensus.hashGenesisBlock = genesis.GetHash();
  89. assert(consensus.hashGenesisBlock == uint256S("0x000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f"));
  90. assert(genesis.hashMerkleRoot == uint256S("0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"));
  91. vSeeds.push_back(CDNSSeedData("bitcoin.sipa.be", "seed.bitcoin.sipa.be")); // Pieter Wuille
  92. vSeeds.push_back(CDNSSeedData("bluematt.me", "dnsseed.bluematt.me")); // Matt Corallo
  93. vSeeds.push_back(CDNSSeedData("dashjr.org", "dnsseed.bitcoin.dashjr.org")); // Luke Dashjr
  94. vSeeds.push_back(CDNSSeedData("bitcoinstats.com", "seed.bitcoinstats.com")); // Christian Decker
  95. vSeeds.push_back(CDNSSeedData("xf2.org", "bitseed.xf2.org")); // Jeff Garzik
  96. vSeeds.push_back(CDNSSeedData("bitcoin.jonasschnelli.ch", "seed.bitcoin.jonasschnelli.ch")); // Jonas Schnelli
  97. base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,0);
  98. base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,5);
  99. base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,128);
  100. base58Prefixes[EXT_PUBLIC_KEY] = boost::assign::list_of(0x04)(0x88)(0xB2)(0x1E).convert_to_container<std::vector<unsigned char> >();
  101. base58Prefixes[EXT_SECRET_KEY] = boost::assign::list_of(0x04)(0x88)(0xAD)(0xE4).convert_to_container<std::vector<unsigned char> >();
  102. vFixedSeeds = std::vector<SeedSpec6>(pnSeed6_main, pnSeed6_main + ARRAYLEN(pnSeed6_main));
  103. fMiningRequiresPeers = true;
  104. fDefaultConsistencyChecks = false;
  105. fRequireStandard = true;
  106. fMineBlocksOnDemand = false;
  107. fTestnetToBeDeprecatedFieldRPC = false;
  108. checkpointData = (CCheckpointData) {
  109. boost::assign::map_list_of
  110. ( 11111, uint256S("0x0000000069e244f73d78e8fd29ba2fd2ed618bd6fa2ee92559f542fdb26e7c1d"))
  111. ( 33333, uint256S("0x000000002dd5588a74784eaa7ab0507a18ad16a236e7b1ce69f00d7ddfb5d0a6"))
  112. ( 74000, uint256S("0x0000000000573993a3c9e41ce34471c079dcf5f52a0e824a81e7f953b8661a20"))
  113. (105000, uint256S("0x00000000000291ce28027faea320c8d2b054b2e0fe44a773f3eefb151d6bdc97"))
  114. (134444, uint256S("0x00000000000005b12ffd4cd315cd34ffd4a594f430ac814c91184a0d42d2b0fe"))
  115. (168000, uint256S("0x000000000000099e61ea72015e79632f216fe6cb33d7899acb35b75c8303b763"))
  116. (193000, uint256S("0x000000000000059f452a5f7340de6682a977387c17010ff6e6c3bd83ca8b1317"))
  117. (210000, uint256S("0x000000000000048b95347e83192f69cf0366076336c639f9b7228e9ba171342e"))
  118. (216116, uint256S("0x00000000000001b4f4b433e81ee46494af945cf96014816a4e2370f11b23df4e"))
  119. (225430, uint256S("0x00000000000001c108384350f74090433e7fcf79a606b8e797f065b130575932"))
  120. (250000, uint256S("0x000000000000003887df1f29024b06fc2200b55f8af8f35453d7be294df2d214"))
  121. (279000, uint256S("0x0000000000000001ae8c72a0b0c301f67e3afca10e819efa9041e458e9bd7e40"))
  122. (295000, uint256S("0x00000000000000004d9b4ef50f0f9d686fd69db2e03af35a100370c64632a983")),
  123. 1397080064, // * UNIX timestamp of last checkpoint block
  124. 36544669, // * total number of transactions between genesis and last checkpoint
  125. // (the tx=... number in the SetBestChain debug.log lines)
  126. 60000.0 // * estimated number of transactions per day after checkpoint
  127. };
  128. }
  129. };
  130. static CMainParams mainParams;
  131. /**
  132. * Testnet (v3)
  133. */
  134. class CTestNetParams : public CChainParams {
  135. public:
  136. CTestNetParams() {
  137. strNetworkID = "test";
  138. consensus.nSubsidyHalvingInterval = 210000;
  139. consensus.nMajorityEnforceBlockUpgrade = 51;
  140. consensus.nMajorityRejectBlockOutdated = 75;
  141. consensus.nMajorityWindow = 100;
  142. consensus.BIP34Height = 21111;
  143. consensus.BIP34Hash = uint256S("0x0000000023b3a96d3484e5abb3755c413e7d41500f8e2a5c3f0dd01299cd8ef8");
  144. consensus.powLimit = uint256S("00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
  145. consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
  146. consensus.nPowTargetSpacing = 10 * 60;
  147. consensus.fPowAllowMinDifficultyBlocks = true;
  148. consensus.fPowNoRetargeting = false;
  149. pchMessageStart[0] = 0x0b;
  150. pchMessageStart[1] = 0x11;
  151. pchMessageStart[2] = 0x09;
  152. pchMessageStart[3] = 0x07;
  153. vAlertPubKey = ParseHex("04302390343f91cc401d56d68b123028bf52e5fca1939df127f63c6467cdf9c8e2c14b61104cf817d0b780da337893ecc4aaff1309e536162dabbdb45200ca2b0a");
  154. nDefaultPort = 18333;
  155. nMaxTipAge = 0x7fffffff;
  156. nPruneAfterHeight = 1000;
  157. genesis = CreateGenesisBlock(1296688602, 414098458, 0x1d00ffff, 1, 50 * COIN);
  158. consensus.hashGenesisBlock = genesis.GetHash();
  159. assert(consensus.hashGenesisBlock == uint256S("0x000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943"));
  160. assert(genesis.hashMerkleRoot == uint256S("0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"));
  161. vFixedSeeds.clear();
  162. vSeeds.clear();
  163. vSeeds.push_back(CDNSSeedData("alexykot.me", "testnet-seed.alexykot.me"));
  164. vSeeds.push_back(CDNSSeedData("bitcoin.petertodd.org", "testnet-seed.bitcoin.petertodd.org"));
  165. vSeeds.push_back(CDNSSeedData("bluematt.me", "testnet-seed.bluematt.me"));
  166. vSeeds.push_back(CDNSSeedData("bitcoin.schildbach.de", "testnet-seed.bitcoin.schildbach.de"));
  167. base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
  168. base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
  169. base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,239);
  170. base58Prefixes[EXT_PUBLIC_KEY] = boost::assign::list_of(0x04)(0x35)(0x87)(0xCF).convert_to_container<std::vector<unsigned char> >();
  171. base58Prefixes[EXT_SECRET_KEY] = boost::assign::list_of(0x04)(0x35)(0x83)(0x94).convert_to_container<std::vector<unsigned char> >();
  172. vFixedSeeds = std::vector<SeedSpec6>(pnSeed6_test, pnSeed6_test + ARRAYLEN(pnSeed6_test));
  173. fMiningRequiresPeers = true;
  174. fDefaultConsistencyChecks = false;
  175. fRequireStandard = false;
  176. fMineBlocksOnDemand = false;
  177. fTestnetToBeDeprecatedFieldRPC = true;
  178. checkpointData = (CCheckpointData) {
  179. boost::assign::map_list_of
  180. ( 546, uint256S("000000002a936ca763904c3c35fce2f3556c559c0214345d31b1bcebf76acb70")),
  181. 1337966069,
  182. 1488,
  183. 300
  184. };
  185. }
  186. };
  187. static CTestNetParams testNetParams;
  188. /**
  189. * Regression test
  190. */
  191. class CRegTestParams : public CChainParams {
  192. public:
  193. CRegTestParams() {
  194. strNetworkID = "regtest";
  195. consensus.nSubsidyHalvingInterval = 150;
  196. consensus.nMajorityEnforceBlockUpgrade = 750;
  197. consensus.nMajorityRejectBlockOutdated = 950;
  198. consensus.nMajorityWindow = 1000;
  199. consensus.BIP34Height = -1; // BIP34 has not necessarily activated on regtest
  200. consensus.BIP34Hash = uint256();
  201. consensus.powLimit = uint256S("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
  202. consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
  203. consensus.nPowTargetSpacing = 10 * 60;
  204. consensus.fPowAllowMinDifficultyBlocks = true;
  205. consensus.fPowNoRetargeting = true;
  206. pchMessageStart[0] = 0xfa;
  207. pchMessageStart[1] = 0xbf;
  208. pchMessageStart[2] = 0xb5;
  209. pchMessageStart[3] = 0xda;
  210. nMaxTipAge = 24 * 60 * 60;
  211. nDefaultPort = 18444;
  212. nPruneAfterHeight = 1000;
  213. genesis = CreateGenesisBlock(1296688602, 2, 0x207fffff, 1, 50 * COIN);
  214. consensus.hashGenesisBlock = genesis.GetHash();
  215. assert(consensus.hashGenesisBlock == uint256S("0x0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206"));
  216. assert(genesis.hashMerkleRoot == uint256S("0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"));
  217. vFixedSeeds.clear(); //! Regtest mode doesn't have any fixed seeds.
  218. vSeeds.clear(); //! Regtest mode doesn't have any DNS seeds.
  219. fMiningRequiresPeers = false;
  220. fDefaultConsistencyChecks = true;
  221. fRequireStandard = false;
  222. fMineBlocksOnDemand = true;
  223. fTestnetToBeDeprecatedFieldRPC = false;
  224. checkpointData = (CCheckpointData){
  225. boost::assign::map_list_of
  226. ( 0, uint256S("0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206")),
  227. 0,
  228. 0,
  229. 0
  230. };
  231. base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
  232. base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
  233. base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,239);
  234. base58Prefixes[EXT_PUBLIC_KEY] = boost::assign::list_of(0x04)(0x35)(0x87)(0xCF).convert_to_container<std::vector<unsigned char> >();
  235. base58Prefixes[EXT_SECRET_KEY] = boost::assign::list_of(0x04)(0x35)(0x83)(0x94).convert_to_container<std::vector<unsigned char> >();
  236. }
  237. };
  238. static CRegTestParams regTestParams;
  239. static CChainParams *pCurrentParams = 0;
  240. const CChainParams &Params() {
  241. assert(pCurrentParams);
  242. return *pCurrentParams;
  243. }
  244. CChainParams& Params(const std::string& chain)
  245. {
  246. if (chain == CBaseChainParams::MAIN)
  247. return mainParams;
  248. else if (chain == CBaseChainParams::TESTNET)
  249. return testNetParams;
  250. else if (chain == CBaseChainParams::REGTEST)
  251. return regTestParams;
  252. else
  253. throw std::runtime_error(strprintf("%s: Unknown chain %s.", __func__, chain));
  254. }
  255. void SelectParams(const std::string& network)
  256. {
  257. SelectBaseParams(network);
  258. pCurrentParams = &Params(network);
  259. }