367 lines
15 KiB
C++
367 lines
15 KiB
C++
// Copyright (c) 2010 Satoshi Nakamoto
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// Copyright (c) 2009-2014 The Bitcoin developers
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// Distributed under the MIT/X11 software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include "chainparams.h"
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#include "random.h"
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#include "util.h"
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#include <assert.h>
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#include <boost/assign/list_of.hpp>
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using namespace std;
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using namespace boost::assign;
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struct SeedSpec6 {
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uint8_t addr[16];
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uint16_t port;
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};
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#include "chainparamsseeds.h"
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//
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// Main network
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//
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// Convert the pnSeeds6 array into usable address objects.
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static void convertSeed6(std::vector<CAddress> &vSeedsOut, const SeedSpec6 *data, unsigned int count)
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{
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// It'll only connect to one or two seed nodes because once it connects,
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// it'll get a pile of addresses with newer timestamps.
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// Seed nodes are given a random 'last seen time' of between one and two
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// weeks ago.
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const int64_t nOneWeek = 7*24*60*60;
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for (unsigned int i = 0; i < count; i++)
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{
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struct in6_addr ip;
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memcpy(&ip, data[i].addr, sizeof(ip));
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CAddress addr(CService(ip, data[i].port));
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addr.nTime = GetTime() - GetRand(nOneWeek) - nOneWeek;
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vSeedsOut.push_back(addr);
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}
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}
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// What makes a good checkpoint block?
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// + Is surrounded by blocks with reasonable timestamps
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// (no blocks before with a timestamp after, none after with
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// timestamp before)
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// + Contains no strange transactions
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static Checkpoints::MapCheckpoints mapCheckpoints =
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boost::assign::map_list_of
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( 11111, uint256("0x0000000069e244f73d78e8fd29ba2fd2ed618bd6fa2ee92559f542fdb26e7c1d"))
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( 33333, uint256("0x000000002dd5588a74784eaa7ab0507a18ad16a236e7b1ce69f00d7ddfb5d0a6"))
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( 74000, uint256("0x0000000000573993a3c9e41ce34471c079dcf5f52a0e824a81e7f953b8661a20"))
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(105000, uint256("0x00000000000291ce28027faea320c8d2b054b2e0fe44a773f3eefb151d6bdc97"))
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(134444, uint256("0x00000000000005b12ffd4cd315cd34ffd4a594f430ac814c91184a0d42d2b0fe"))
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(168000, uint256("0x000000000000099e61ea72015e79632f216fe6cb33d7899acb35b75c8303b763"))
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(193000, uint256("0x000000000000059f452a5f7340de6682a977387c17010ff6e6c3bd83ca8b1317"))
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(210000, uint256("0x000000000000048b95347e83192f69cf0366076336c639f9b7228e9ba171342e"))
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(216116, uint256("0x00000000000001b4f4b433e81ee46494af945cf96014816a4e2370f11b23df4e"))
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(225430, uint256("0x00000000000001c108384350f74090433e7fcf79a606b8e797f065b130575932"))
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(250000, uint256("0x000000000000003887df1f29024b06fc2200b55f8af8f35453d7be294df2d214"))
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(279000, uint256("0x0000000000000001ae8c72a0b0c301f67e3afca10e819efa9041e458e9bd7e40"))
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(295000, uint256("0x00000000000000004d9b4ef50f0f9d686fd69db2e03af35a100370c64632a983"))
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;
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static const Checkpoints::CCheckpointData data = {
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&mapCheckpoints,
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1397080064, // * UNIX timestamp of last checkpoint block
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36544669, // * total number of transactions between genesis and last checkpoint
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// (the tx=... number in the SetBestChain debug.log lines)
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60000.0 // * estimated number of transactions per day after checkpoint
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};
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static Checkpoints::MapCheckpoints mapCheckpointsTestnet =
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boost::assign::map_list_of
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( 546, uint256("000000002a936ca763904c3c35fce2f3556c559c0214345d31b1bcebf76acb70"))
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;
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static const Checkpoints::CCheckpointData dataTestnet = {
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&mapCheckpointsTestnet,
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1337966069,
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1488,
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300
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};
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static Checkpoints::MapCheckpoints mapCheckpointsRegtest =
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boost::assign::map_list_of
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( 0, uint256("0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206"))
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;
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static const Checkpoints::CCheckpointData dataRegtest = {
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&mapCheckpointsRegtest,
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0,
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0,
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0
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};
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class CMainParams : public CChainParams {
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public:
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CMainParams() {
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networkID = CBaseChainParams::MAIN;
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strNetworkID = "main";
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// The message start string is designed to be unlikely to occur in normal data.
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// The characters are rarely used upper ASCII, not valid as UTF-8, and produce
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// a large 4-byte int at any alignment.
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pchMessageStart[0] = 0xf9;
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pchMessageStart[1] = 0xbe;
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pchMessageStart[2] = 0xb4;
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pchMessageStart[3] = 0xd9;
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vAlertPubKey = ParseHex("04fc9702847840aaf195de8442ebecedf5b095cdbb9bc716bda9110971b28a49e0ead8564ff0db22209e0374782c093bb899692d524e9d6a6956e7c5ecbcd68284");
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nDefaultPort = 8333;
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bnProofOfWorkLimit = ~uint256(0) >> 32;
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nSubsidyHalvingInterval = 210000;
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nEnforceBlockUpgradeMajority = 750;
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nRejectBlockOutdatedMajority = 950;
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nToCheckBlockUpgradeMajority = 1000;
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nMinerThreads = 0;
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nTargetTimespan = 14 * 24 * 60 * 60; // two weeks
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nTargetSpacing = 10 * 60;
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// Build the genesis block. Note that the output of the genesis coinbase cannot
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// be spent as it did not originally exist in the database.
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//
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// CBlock(hash=000000000019d6, ver=1, hashPrevBlock=00000000000000, hashMerkleRoot=4a5e1e, nTime=1231006505, nBits=1d00ffff, nNonce=2083236893, vtx=1)
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// CTransaction(hash=4a5e1e, ver=1, vin.size=1, vout.size=1, nLockTime=0)
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// CTxIn(COutPoint(000000, -1), coinbase 04ffff001d0104455468652054696d65732030332f4a616e2f32303039204368616e63656c6c6f72206f6e206272696e6b206f66207365636f6e64206261696c6f757420666f722062616e6b73)
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// CTxOut(nValue=50.00000000, scriptPubKey=0x5F1DF16B2B704C8A578D0B)
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// vMerkleTree: 4a5e1e
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const char* pszTimestamp = "The Times 03/Jan/2009 Chancellor on brink of second bailout for banks";
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CMutableTransaction txNew;
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txNew.vin.resize(1);
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txNew.vout.resize(1);
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txNew.vin[0].scriptSig = CScript() << 486604799 << CScriptNum(4) << vector<unsigned char>((const unsigned char*)pszTimestamp, (const unsigned char*)pszTimestamp + strlen(pszTimestamp));
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txNew.vout[0].nValue = 50 * COIN;
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txNew.vout[0].scriptPubKey = CScript() << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f") << OP_CHECKSIG;
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genesis.vtx.push_back(txNew);
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genesis.hashPrevBlock = 0;
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genesis.hashMerkleRoot = genesis.BuildMerkleTree();
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genesis.nVersion = 1;
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genesis.nTime = 1231006505;
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genesis.nBits = 0x1d00ffff;
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genesis.nNonce = 2083236893;
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hashGenesisBlock = genesis.GetHash();
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assert(hashGenesisBlock == uint256("0x000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f"));
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assert(genesis.hashMerkleRoot == uint256("0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"));
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vSeeds.push_back(CDNSSeedData("bitcoin.sipa.be", "seed.bitcoin.sipa.be"));
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vSeeds.push_back(CDNSSeedData("bluematt.me", "dnsseed.bluematt.me"));
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vSeeds.push_back(CDNSSeedData("dashjr.org", "dnsseed.bitcoin.dashjr.org"));
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vSeeds.push_back(CDNSSeedData("bitcoinstats.com", "seed.bitcoinstats.com"));
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vSeeds.push_back(CDNSSeedData("bitnodes.io", "seed.bitnodes.io"));
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vSeeds.push_back(CDNSSeedData("xf2.org", "bitseed.xf2.org"));
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base58Prefixes[PUBKEY_ADDRESS] = list_of(0);
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base58Prefixes[SCRIPT_ADDRESS] = list_of(5);
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base58Prefixes[SECRET_KEY] = list_of(128);
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base58Prefixes[EXT_PUBLIC_KEY] = list_of(0x04)(0x88)(0xB2)(0x1E);
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base58Prefixes[EXT_SECRET_KEY] = list_of(0x04)(0x88)(0xAD)(0xE4);
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convertSeed6(vFixedSeeds, pnSeed6_main, ARRAYLEN(pnSeed6_main));
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fRequireRPCPassword = true;
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fMiningRequiresPeers = true;
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fDefaultCheckMemPool = false;
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fAllowMinDifficultyBlocks = false;
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fRequireStandard = true;
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fMineBlocksOnDemand = false;
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fSkipProofOfWorkCheck = false;
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fTestnetToBeDeprecatedFieldRPC = false;
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}
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const Checkpoints::CCheckpointData& Checkpoints() const
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{
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return data;
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}
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};
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static CMainParams mainParams;
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//
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// Testnet (v3)
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//
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class CTestNetParams : public CMainParams {
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public:
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CTestNetParams() {
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networkID = CBaseChainParams::TESTNET;
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strNetworkID = "test";
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// The message start string is designed to be unlikely to occur in normal data.
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// The characters are rarely used upper ASCII, not valid as UTF-8, and produce
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// a large 4-byte int at any alignment.
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pchMessageStart[0] = 0x0b;
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pchMessageStart[1] = 0x11;
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pchMessageStart[2] = 0x09;
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pchMessageStart[3] = 0x07;
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vAlertPubKey = ParseHex("04302390343f91cc401d56d68b123028bf52e5fca1939df127f63c6467cdf9c8e2c14b61104cf817d0b780da337893ecc4aaff1309e536162dabbdb45200ca2b0a");
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nDefaultPort = 18333;
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nEnforceBlockUpgradeMajority = 51;
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nRejectBlockOutdatedMajority = 75;
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nToCheckBlockUpgradeMajority = 100;
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nMinerThreads = 0;
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nTargetTimespan = 14 * 24 * 60 * 60; // two weeks
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nTargetSpacing = 10 * 60;
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// Modify the testnet genesis block so the timestamp is valid for a later start.
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genesis.nTime = 1296688602;
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genesis.nNonce = 414098458;
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hashGenesisBlock = genesis.GetHash();
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assert(hashGenesisBlock == uint256("0x000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943"));
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vFixedSeeds.clear();
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vSeeds.clear();
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vSeeds.push_back(CDNSSeedData("alexykot.me", "testnet-seed.alexykot.me"));
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vSeeds.push_back(CDNSSeedData("bitcoin.petertodd.org", "testnet-seed.bitcoin.petertodd.org"));
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vSeeds.push_back(CDNSSeedData("bluematt.me", "testnet-seed.bluematt.me"));
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vSeeds.push_back(CDNSSeedData("bitcoin.schildbach.de", "testnet-seed.bitcoin.schildbach.de"));
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base58Prefixes[PUBKEY_ADDRESS] = list_of(111);
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base58Prefixes[SCRIPT_ADDRESS] = list_of(196);
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base58Prefixes[SECRET_KEY] = list_of(239);
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base58Prefixes[EXT_PUBLIC_KEY] = list_of(0x04)(0x35)(0x87)(0xCF);
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base58Prefixes[EXT_SECRET_KEY] = list_of(0x04)(0x35)(0x83)(0x94);
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convertSeed6(vFixedSeeds, pnSeed6_test, ARRAYLEN(pnSeed6_test));
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fRequireRPCPassword = true;
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fMiningRequiresPeers = true;
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fDefaultCheckMemPool = false;
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fAllowMinDifficultyBlocks = true;
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fRequireStandard = false;
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fMineBlocksOnDemand = false;
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fTestnetToBeDeprecatedFieldRPC = true;
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}
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const Checkpoints::CCheckpointData& Checkpoints() const
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{
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return dataTestnet;
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}
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};
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static CTestNetParams testNetParams;
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//
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// Regression test
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//
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class CRegTestParams : public CTestNetParams {
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public:
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CRegTestParams() {
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networkID = CBaseChainParams::REGTEST;
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strNetworkID = "regtest";
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pchMessageStart[0] = 0xfa;
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pchMessageStart[1] = 0xbf;
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pchMessageStart[2] = 0xb5;
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pchMessageStart[3] = 0xda;
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nSubsidyHalvingInterval = 150;
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nEnforceBlockUpgradeMajority = 750;
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nRejectBlockOutdatedMajority = 950;
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nToCheckBlockUpgradeMajority = 1000;
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nMinerThreads = 1;
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nTargetTimespan = 14 * 24 * 60 * 60; // two weeks
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nTargetSpacing = 10 * 60;
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bnProofOfWorkLimit = ~uint256(0) >> 1;
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genesis.nTime = 1296688602;
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genesis.nBits = 0x207fffff;
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genesis.nNonce = 2;
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hashGenesisBlock = genesis.GetHash();
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nDefaultPort = 18444;
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assert(hashGenesisBlock == uint256("0x0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206"));
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vSeeds.clear(); // Regtest mode doesn't have any DNS seeds.
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fRequireRPCPassword = false;
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fMiningRequiresPeers = false;
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fDefaultCheckMemPool = true;
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fAllowMinDifficultyBlocks = true;
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fRequireStandard = false;
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fMineBlocksOnDemand = true;
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fTestnetToBeDeprecatedFieldRPC = false;
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}
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const Checkpoints::CCheckpointData& Checkpoints() const
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{
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return dataRegtest;
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}
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};
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static CRegTestParams regTestParams;
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//
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// Unit test
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//
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class CUnitTestParams : public CMainParams, public CModifiableParams {
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public:
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CUnitTestParams() {
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networkID = CBaseChainParams::UNITTEST;
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strNetworkID = "unittest";
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nDefaultPort = 18445;
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vFixedSeeds.clear();
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vSeeds.clear(); // Regtest mode doesn't have any DNS seeds.
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fRequireRPCPassword = false;
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fMiningRequiresPeers = false;
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fDefaultCheckMemPool = true;
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fAllowMinDifficultyBlocks = false;
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fMineBlocksOnDemand = true;
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}
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const Checkpoints::CCheckpointData& Checkpoints() const
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{
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// UnitTest share the same checkpoints as MAIN
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return data;
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}
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// Published setters to allow changing values in unit test cases
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virtual void setSubsidyHalvingInterval(int anSubsidyHalvingInterval) { nSubsidyHalvingInterval=anSubsidyHalvingInterval; }
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virtual void setEnforceBlockUpgradeMajority(int anEnforceBlockUpgradeMajority) { nEnforceBlockUpgradeMajority=anEnforceBlockUpgradeMajority; }
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virtual void setRejectBlockOutdatedMajority(int anRejectBlockOutdatedMajority) { nRejectBlockOutdatedMajority=anRejectBlockOutdatedMajority; }
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virtual void setToCheckBlockUpgradeMajority(int anToCheckBlockUpgradeMajority) { nToCheckBlockUpgradeMajority=anToCheckBlockUpgradeMajority; }
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virtual void setDefaultCheckMemPool(bool afDefaultCheckMemPool) { fDefaultCheckMemPool=afDefaultCheckMemPool; }
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virtual void setAllowMinDifficultyBlocks(bool afAllowMinDifficultyBlocks) { fAllowMinDifficultyBlocks=afAllowMinDifficultyBlocks; }
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virtual void setSkipProofOfWorkCheck(bool afSkipProofOfWorkCheck) { fSkipProofOfWorkCheck = afSkipProofOfWorkCheck; }
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};
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static CUnitTestParams unitTestParams;
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static CChainParams *pCurrentParams = 0;
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CModifiableParams *ModifiableParams()
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{
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assert(pCurrentParams);
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assert(pCurrentParams==&unitTestParams);
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return (CModifiableParams*)&unitTestParams;
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}
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const CChainParams &Params() {
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assert(pCurrentParams);
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return *pCurrentParams;
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}
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CChainParams &Params(CBaseChainParams::Network network) {
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switch (network) {
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case CBaseChainParams::MAIN:
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return mainParams;
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case CBaseChainParams::TESTNET:
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return testNetParams;
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case CBaseChainParams::REGTEST:
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return regTestParams;
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case CBaseChainParams::UNITTEST:
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return unitTestParams;
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default:
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assert(false && "Unimplemented network");
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return mainParams;
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}
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}
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void SelectParams(CBaseChainParams::Network network) {
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SelectBaseParams(network);
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pCurrentParams = &Params(network);
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}
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bool SelectParamsFromCommandLine()
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{
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CBaseChainParams::Network network = NetworkIdFromCommandLine();
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if (network == CBaseChainParams::MAX_NETWORK_TYPES)
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return false;
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SelectBaseParams(network);
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SelectParams(network);
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return true;
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}
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