diff options
Diffstat (limited to 'src/chainparams.cpp')
| -rw-r--r-- | src/chainparams.cpp | 368 |
1 files changed, 368 insertions, 0 deletions
diff --git a/src/chainparams.cpp b/src/chainparams.cpp new file mode 100644 index 000000000..3abc569dc --- /dev/null +++ b/src/chainparams.cpp @@ -0,0 +1,368 @@ +// Copyright (c) 2010 Satoshi Nakamoto +// Copyright (c) 2009-2014 The Bitcoin Core developers +// Distributed under the MIT software license, see the accompanying +// file COPYING or http://www.opensource.org/licenses/mit-license.php. + +#include "chainparams.h" + +#include "random.h" +#include "util.h" +#include "utilstrencodings.h" + +#include <assert.h> + +#include <boost/assign/list_of.hpp> + +using namespace std; +using namespace boost::assign; + +struct SeedSpec6 { + uint8_t addr[16]; + uint16_t port; +}; + +#include "chainparamsseeds.h" + +/** + * Main network + */ + +//! Convert the pnSeeds6 array into usable address objects. +static void convertSeed6(std::vector<CAddress> &vSeedsOut, const SeedSpec6 *data, unsigned int count) +{ + // It'll only connect to one or two seed nodes because once it connects, + // it'll get a pile of addresses with newer timestamps. + // Seed nodes are given a random 'last seen time' of between one and two + // weeks ago. + const int64_t nOneWeek = 7*24*60*60; + for (unsigned int i = 0; i < count; i++) + { + struct in6_addr ip; + memcpy(&ip, data[i].addr, sizeof(ip)); + CAddress addr(CService(ip, data[i].port)); + addr.nTime = GetTime() - GetRand(nOneWeek) - nOneWeek; + vSeedsOut.push_back(addr); + } +} + +/** + * What makes a good checkpoint block? + * + Is surrounded by blocks with reasonable timestamps + * (no blocks before with a timestamp after, none after with + * timestamp before) + * + Contains no strange transactions + */ +static Checkpoints::MapCheckpoints mapCheckpoints = + boost::assign::map_list_of + ( 11111, uint256S("0x0000000069e244f73d78e8fd29ba2fd2ed618bd6fa2ee92559f542fdb26e7c1d")) + ( 33333, uint256S("0x000000002dd5588a74784eaa7ab0507a18ad16a236e7b1ce69f00d7ddfb5d0a6")) + ( 74000, uint256S("0x0000000000573993a3c9e41ce34471c079dcf5f52a0e824a81e7f953b8661a20")) + (105000, uint256S("0x00000000000291ce28027faea320c8d2b054b2e0fe44a773f3eefb151d6bdc97")) + (134444, uint256S("0x00000000000005b12ffd4cd315cd34ffd4a594f430ac814c91184a0d42d2b0fe")) + (168000, uint256S("0x000000000000099e61ea72015e79632f216fe6cb33d7899acb35b75c8303b763")) + (193000, uint256S("0x000000000000059f452a5f7340de6682a977387c17010ff6e6c3bd83ca8b1317")) + (210000, uint256S("0x000000000000048b95347e83192f69cf0366076336c639f9b7228e9ba171342e")) + (216116, uint256S("0x00000000000001b4f4b433e81ee46494af945cf96014816a4e2370f11b23df4e")) + (225430, uint256S("0x00000000000001c108384350f74090433e7fcf79a606b8e797f065b130575932")) + (250000, uint256S("0x000000000000003887df1f29024b06fc2200b55f8af8f35453d7be294df2d214")) + (279000, uint256S("0x0000000000000001ae8c72a0b0c301f67e3afca10e819efa9041e458e9bd7e40")) + (295000, uint256S("0x00000000000000004d9b4ef50f0f9d686fd69db2e03af35a100370c64632a983")) + ; +static const Checkpoints::CCheckpointData data = { + &mapCheckpoints, + 1397080064, // * UNIX timestamp of last checkpoint block + 36544669, // * total number of transactions between genesis and last checkpoint + // (the tx=... number in the SetBestChain debug.log lines) + 60000.0 // * estimated number of transactions per day after checkpoint + }; + +static Checkpoints::MapCheckpoints mapCheckpointsTestnet = + boost::assign::map_list_of + ( 546, uint256S("000000002a936ca763904c3c35fce2f3556c559c0214345d31b1bcebf76acb70")) + ; +static const Checkpoints::CCheckpointData dataTestnet = { + &mapCheckpointsTestnet, + 1337966069, + 1488, + 300 + }; + +static Checkpoints::MapCheckpoints mapCheckpointsRegtest = + boost::assign::map_list_of + ( 0, uint256S("0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206")) + ; +static const Checkpoints::CCheckpointData dataRegtest = { + &mapCheckpointsRegtest, + 0, + 0, + 0 + }; + +class CMainParams : public CChainParams { +public: + CMainParams() { + networkID = CBaseChainParams::MAIN; + strNetworkID = "main"; + /** + * The message start string is designed to be unlikely to occur in normal data. + * The characters are rarely used upper ASCII, not valid as UTF-8, and produce + * a large 4-byte int at any alignment. + */ + pchMessageStart[0] = 0xf9; + pchMessageStart[1] = 0xbe; + pchMessageStart[2] = 0xb4; + pchMessageStart[3] = 0xd9; + vAlertPubKey = ParseHex("04fc9702847840aaf195de8442ebecedf5b095cdbb9bc716bda9110971b28a49e0ead8564ff0db22209e0374782c093bb899692d524e9d6a6956e7c5ecbcd68284"); + nDefaultPort = 8333; + bnProofOfWorkLimit = ~arith_uint256(0) >> 32; + nSubsidyHalvingInterval = 210000; + nEnforceBlockUpgradeMajority = 750; + nRejectBlockOutdatedMajority = 950; + nToCheckBlockUpgradeMajority = 1000; + nMinerThreads = 0; + nTargetTimespan = 14 * 24 * 60 * 60; // two weeks + nTargetSpacing = 10 * 60; + + /** + * Build the genesis block. Note that the output of the genesis coinbase cannot + * be spent as it did not originally exist in the database. + * + * CBlock(hash=000000000019d6, ver=1, hashPrevBlock=00000000000000, hashMerkleRoot=4a5e1e, nTime=1231006505, nBits=1d00ffff, nNonce=2083236893, vtx=1) + * CTransaction(hash=4a5e1e, ver=1, vin.size=1, vout.size=1, nLockTime=0) + * CTxIn(COutPoint(000000, -1), coinbase 04ffff001d0104455468652054696d65732030332f4a616e2f32303039204368616e63656c6c6f72206f6e206272696e6b206f66207365636f6e64206261696c6f757420666f722062616e6b73) + * CTxOut(nValue=50.00000000, scriptPubKey=0x5F1DF16B2B704C8A578D0B) + * vMerkleTree: 4a5e1e + */ + const char* pszTimestamp = "The Times 03/Jan/2009 Chancellor on brink of second bailout for banks"; + CMutableTransaction txNew; + txNew.vin.resize(1); + txNew.vout.resize(1); + txNew.vin[0].scriptSig = CScript() << 486604799 << CScriptNum(4) << vector<unsigned char>((const unsigned char*)pszTimestamp, (const unsigned char*)pszTimestamp + strlen(pszTimestamp)); + txNew.vout[0].nValue = 50 * COIN; + txNew.vout[0].scriptPubKey = CScript() << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f") << OP_CHECKSIG; + genesis.vtx.push_back(txNew); + genesis.hashPrevBlock.SetNull(); + genesis.hashMerkleRoot = genesis.BuildMerkleTree(); + genesis.nVersion = 1; + genesis.nTime = 1231006505; + genesis.nBits = 0x1d00ffff; + genesis.nNonce = 2083236893; + + hashGenesisBlock = genesis.GetHash(); + assert(hashGenesisBlock == uint256S("0x000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f")); + assert(genesis.hashMerkleRoot == uint256S("0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b")); + + vSeeds.push_back(CDNSSeedData("bitcoin.sipa.be", "seed.bitcoin.sipa.be")); + vSeeds.push_back(CDNSSeedData("bluematt.me", "dnsseed.bluematt.me")); + vSeeds.push_back(CDNSSeedData("dashjr.org", "dnsseed.bitcoin.dashjr.org")); + vSeeds.push_back(CDNSSeedData("bitcoinstats.com", "seed.bitcoinstats.com")); + vSeeds.push_back(CDNSSeedData("xf2.org", "bitseed.xf2.org")); + + base58Prefixes[PUBKEY_ADDRESS] = list_of(0); + base58Prefixes[SCRIPT_ADDRESS] = list_of(5); + base58Prefixes[SECRET_KEY] = list_of(128); + base58Prefixes[EXT_PUBLIC_KEY] = list_of(0x04)(0x88)(0xB2)(0x1E); + base58Prefixes[EXT_SECRET_KEY] = list_of(0x04)(0x88)(0xAD)(0xE4); + + convertSeed6(vFixedSeeds, pnSeed6_main, ARRAYLEN(pnSeed6_main)); + + fRequireRPCPassword = true; + fMiningRequiresPeers = true; + fDefaultCheckMemPool = false; + fAllowMinDifficultyBlocks = false; + fRequireStandard = true; + fMineBlocksOnDemand = false; + fSkipProofOfWorkCheck = false; + fTestnetToBeDeprecatedFieldRPC = false; + } + + const Checkpoints::CCheckpointData& Checkpoints() const + { + return data; + } +}; +static CMainParams mainParams; + +/** + * Testnet (v3) + */ +class CTestNetParams : public CMainParams { +public: + CTestNetParams() { + networkID = CBaseChainParams::TESTNET; + strNetworkID = "test"; + pchMessageStart[0] = 0x0b; + pchMessageStart[1] = 0x11; + pchMessageStart[2] = 0x09; + pchMessageStart[3] = 0x07; + vAlertPubKey = ParseHex("04302390343f91cc401d56d68b123028bf52e5fca1939df127f63c6467cdf9c8e2c14b61104cf817d0b780da337893ecc4aaff1309e536162dabbdb45200ca2b0a"); + nDefaultPort = 18333; + nEnforceBlockUpgradeMajority = 51; + nRejectBlockOutdatedMajority = 75; + nToCheckBlockUpgradeMajority = 100; + nMinerThreads = 0; + nTargetTimespan = 14 * 24 * 60 * 60; //! two weeks + nTargetSpacing = 10 * 60; + + //! Modify the testnet genesis block so the timestamp is valid for a later start. + genesis.nTime = 1296688602; + genesis.nNonce = 414098458; + hashGenesisBlock = genesis.GetHash(); + assert(hashGenesisBlock == uint256S("0x000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943")); + + vFixedSeeds.clear(); + vSeeds.clear(); + vSeeds.push_back(CDNSSeedData("alexykot.me", "testnet-seed.alexykot.me")); + vSeeds.push_back(CDNSSeedData("bitcoin.petertodd.org", "testnet-seed.bitcoin.petertodd.org")); + vSeeds.push_back(CDNSSeedData("bluematt.me", "testnet-seed.bluematt.me")); + vSeeds.push_back(CDNSSeedData("bitcoin.schildbach.de", "testnet-seed.bitcoin.schildbach.de")); + + base58Prefixes[PUBKEY_ADDRESS] = list_of(111); + base58Prefixes[SCRIPT_ADDRESS] = list_of(196); + base58Prefixes[SECRET_KEY] = list_of(239); + base58Prefixes[EXT_PUBLIC_KEY] = list_of(0x04)(0x35)(0x87)(0xCF); + base58Prefixes[EXT_SECRET_KEY] = list_of(0x04)(0x35)(0x83)(0x94); + + convertSeed6(vFixedSeeds, pnSeed6_test, ARRAYLEN(pnSeed6_test)); + + fRequireRPCPassword = true; + fMiningRequiresPeers = true; + fDefaultCheckMemPool = false; + fAllowMinDifficultyBlocks = true; + fRequireStandard = false; + fMineBlocksOnDemand = false; + fTestnetToBeDeprecatedFieldRPC = true; + } + const Checkpoints::CCheckpointData& Checkpoints() const + { + return dataTestnet; + } +}; +static CTestNetParams testNetParams; + +/** + * Regression test + */ +class CRegTestParams : public CTestNetParams { +public: + CRegTestParams() { + networkID = CBaseChainParams::REGTEST; + strNetworkID = "regtest"; + pchMessageStart[0] = 0xfa; + pchMessageStart[1] = 0xbf; + pchMessageStart[2] = 0xb5; + pchMessageStart[3] = 0xda; + nSubsidyHalvingInterval = 150; + nEnforceBlockUpgradeMajority = 750; + nRejectBlockOutdatedMajority = 950; + nToCheckBlockUpgradeMajority = 1000; + nMinerThreads = 1; + nTargetTimespan = 14 * 24 * 60 * 60; //! two weeks + nTargetSpacing = 10 * 60; + bnProofOfWorkLimit = ~arith_uint256(0) >> 1; + genesis.nTime = 1296688602; + genesis.nBits = 0x207fffff; + genesis.nNonce = 2; + hashGenesisBlock = genesis.GetHash(); + nDefaultPort = 18444; + assert(hashGenesisBlock == uint256S("0x0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206")); + + vFixedSeeds.clear(); //! Regtest mode doesn't have any fixed seeds. + vSeeds.clear(); //! Regtest mode doesn't have any DNS seeds. + + fRequireRPCPassword = false; + fMiningRequiresPeers = false; + fDefaultCheckMemPool = true; + fAllowMinDifficultyBlocks = true; + fRequireStandard = false; + fMineBlocksOnDemand = true; + fTestnetToBeDeprecatedFieldRPC = false; + } + const Checkpoints::CCheckpointData& Checkpoints() const + { + return dataRegtest; + } +}; +static CRegTestParams regTestParams; + +/** + * Unit test + */ +class CUnitTestParams : public CMainParams, public CModifiableParams { +public: + CUnitTestParams() { + networkID = CBaseChainParams::UNITTEST; + strNetworkID = "unittest"; + nDefaultPort = 18445; + vFixedSeeds.clear(); //! Unit test mode doesn't have any fixed seeds. + vSeeds.clear(); //! Unit test mode doesn't have any DNS seeds. + + fRequireRPCPassword = false; + fMiningRequiresPeers = false; + fDefaultCheckMemPool = true; + fAllowMinDifficultyBlocks = false; + fMineBlocksOnDemand = true; + } + + const Checkpoints::CCheckpointData& Checkpoints() const + { + // UnitTest share the same checkpoints as MAIN + return data; + } + + //! Published setters to allow changing values in unit test cases + virtual void setSubsidyHalvingInterval(int anSubsidyHalvingInterval) { nSubsidyHalvingInterval=anSubsidyHalvingInterval; } + virtual void setEnforceBlockUpgradeMajority(int anEnforceBlockUpgradeMajority) { nEnforceBlockUpgradeMajority=anEnforceBlockUpgradeMajority; } + virtual void setRejectBlockOutdatedMajority(int anRejectBlockOutdatedMajority) { nRejectBlockOutdatedMajority=anRejectBlockOutdatedMajority; } + virtual void setToCheckBlockUpgradeMajority(int anToCheckBlockUpgradeMajority) { nToCheckBlockUpgradeMajority=anToCheckBlockUpgradeMajority; } + virtual void setDefaultCheckMemPool(bool afDefaultCheckMemPool) { fDefaultCheckMemPool=afDefaultCheckMemPool; } + virtual void setAllowMinDifficultyBlocks(bool afAllowMinDifficultyBlocks) { fAllowMinDifficultyBlocks=afAllowMinDifficultyBlocks; } + virtual void setSkipProofOfWorkCheck(bool afSkipProofOfWorkCheck) { fSkipProofOfWorkCheck = afSkipProofOfWorkCheck; } +}; +static CUnitTestParams unitTestParams; + + +static CChainParams *pCurrentParams = 0; + +CModifiableParams *ModifiableParams() +{ + assert(pCurrentParams); + assert(pCurrentParams==&unitTestParams); + return (CModifiableParams*)&unitTestParams; +} + +const CChainParams &Params() { + assert(pCurrentParams); + return *pCurrentParams; +} + +CChainParams &Params(CBaseChainParams::Network network) { + switch (network) { + case CBaseChainParams::MAIN: + return mainParams; + case CBaseChainParams::TESTNET: + return testNetParams; + case CBaseChainParams::REGTEST: + return regTestParams; + case CBaseChainParams::UNITTEST: + return unitTestParams; + default: + assert(false && "Unimplemented network"); + return mainParams; + } +} + +void SelectParams(CBaseChainParams::Network network) { + SelectBaseParams(network); + pCurrentParams = &Params(network); +} + +bool SelectParamsFromCommandLine() +{ + CBaseChainParams::Network network = NetworkIdFromCommandLine(); + if (network == CBaseChainParams::MAX_NETWORK_TYPES) + return false; + + SelectParams(network); + return true; +} |