aboutsummaryrefslogtreecommitdiff
path: root/src/chainparams.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/chainparams.cpp')
-rw-r--r--src/chainparams.cpp369
1 files changed, 369 insertions, 0 deletions
diff --git a/src/chainparams.cpp b/src/chainparams.cpp
new file mode 100644
index 000000000..8a6a061ea
--- /dev/null
+++ b/src/chainparams.cpp
@@ -0,0 +1,369 @@
+// Copyright (c) 2010 Satoshi Nakamoto
+// Copyright (c) 2009-2014 The Bitcoin 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, uint256("0x0000000069e244f73d78e8fd29ba2fd2ed618bd6fa2ee92559f542fdb26e7c1d"))
+ ( 33333, uint256("0x000000002dd5588a74784eaa7ab0507a18ad16a236e7b1ce69f00d7ddfb5d0a6"))
+ ( 74000, uint256("0x0000000000573993a3c9e41ce34471c079dcf5f52a0e824a81e7f953b8661a20"))
+ (105000, uint256("0x00000000000291ce28027faea320c8d2b054b2e0fe44a773f3eefb151d6bdc97"))
+ (134444, uint256("0x00000000000005b12ffd4cd315cd34ffd4a594f430ac814c91184a0d42d2b0fe"))
+ (168000, uint256("0x000000000000099e61ea72015e79632f216fe6cb33d7899acb35b75c8303b763"))
+ (193000, uint256("0x000000000000059f452a5f7340de6682a977387c17010ff6e6c3bd83ca8b1317"))
+ (210000, uint256("0x000000000000048b95347e83192f69cf0366076336c639f9b7228e9ba171342e"))
+ (216116, uint256("0x00000000000001b4f4b433e81ee46494af945cf96014816a4e2370f11b23df4e"))
+ (225430, uint256("0x00000000000001c108384350f74090433e7fcf79a606b8e797f065b130575932"))
+ (250000, uint256("0x000000000000003887df1f29024b06fc2200b55f8af8f35453d7be294df2d214"))
+ (279000, uint256("0x0000000000000001ae8c72a0b0c301f67e3afca10e819efa9041e458e9bd7e40"))
+ (295000, uint256("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, uint256("000000002a936ca763904c3c35fce2f3556c559c0214345d31b1bcebf76acb70"))
+ ;
+static const Checkpoints::CCheckpointData dataTestnet = {
+ &mapCheckpointsTestnet,
+ 1337966069,
+ 1488,
+ 300
+ };
+
+static Checkpoints::MapCheckpoints mapCheckpointsRegtest =
+ boost::assign::map_list_of
+ ( 0, uint256("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 = ~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 = 0;
+ genesis.hashMerkleRoot = genesis.BuildMerkleTree();
+ genesis.nVersion = 1;
+ genesis.nTime = 1231006505;
+ genesis.nBits = 0x1d00ffff;
+ genesis.nNonce = 2083236893;
+
+ hashGenesisBlock = genesis.GetHash();
+ assert(hashGenesisBlock == uint256("0x000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f"));
+ assert(genesis.hashMerkleRoot == uint256("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("bitnodes.io", "seed.bitnodes.io"));
+ 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 == uint256("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 = ~uint256(0) >> 1;
+ genesis.nTime = 1296688602;
+ genesis.nBits = 0x207fffff;
+ genesis.nNonce = 2;
+ hashGenesisBlock = genesis.GetHash();
+ nDefaultPort = 18444;
+ assert(hashGenesisBlock == uint256("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;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2026-04-28 12:33:05 +0000