385 lines
19 KiB
C++
385 lines
19 KiB
C++
// Copyright (c) 2010 Satoshi Nakamoto
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// Copyright (c) 2009-2017 The Bitcoin Core developers
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// Distributed under the MIT 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 <consensus/merkle.h>
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#include <tinyformat.h>
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#include <util.h>
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#include <utilstrencodings.h>
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#include <assert.h>
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#include <chainparamsseeds.h>
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static CBlock CreateGenesisBlock(const char* pszTimestamp, const CScript& genesisOutputScript, uint32_t nTime, uint32_t nNonce, uint32_t nBits, int32_t nVersion, const CAmount& genesisReward)
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{
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CMutableTransaction txNew;
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txNew.nVersion = 1;
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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) << std::vector<unsigned char>((const unsigned char*)pszTimestamp, (const unsigned char*)pszTimestamp + strlen(pszTimestamp));
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txNew.vout[0].nValue = genesisReward;
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txNew.vout[0].scriptPubKey = genesisOutputScript;
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CBlock genesis;
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genesis.nTime = nTime;
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genesis.nBits = nBits;
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genesis.nNonce = nNonce;
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genesis.nVersion = nVersion;
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genesis.vtx.push_back(MakeTransactionRef(std::move(txNew)));
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genesis.hashPrevBlock.SetNull();
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genesis.hashMerkleRoot = BlockMerkleRoot(genesis);
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return genesis;
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}
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/**
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* Build the genesis block. Note that the output of its generation
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* transaction cannot be spent since it did not originally exist in the
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* 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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*/
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static CBlock CreateGenesisBlock(uint32_t nTime, uint32_t nNonce, uint32_t nBits, int32_t nVersion, const CAmount& genesisReward)
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{
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const char* pszTimestamp = "The Times 03/Jan/2009 Chancellor on brink of second bailout for banks";
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const CScript genesisOutputScript = CScript() << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f") << OP_CHECKSIG;
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return CreateGenesisBlock(pszTimestamp, genesisOutputScript, nTime, nNonce, nBits, nVersion, genesisReward);
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}
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void CChainParams::UpdateVersionBitsParameters(Consensus::DeploymentPos d, int64_t nStartTime, int64_t nTimeout)
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{
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consensus.vDeployments[d].nStartTime = nStartTime;
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consensus.vDeployments[d].nTimeout = nTimeout;
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}
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/**
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* Main network
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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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*/
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class CMainParams : public CChainParams {
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public:
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CMainParams() {
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strNetworkID = "main";
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consensus.nSubsidyHalvingInterval = 210000;
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consensus.BIP16Exception = uint256S("0x00000000000002dc756eebf4f49723ed8d30cc28a5f108eb94b1ba88ac4f9c22");
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consensus.BIP34Height = 227931;
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consensus.BIP34Hash = uint256S("0x000000000000024b89b42a942fe0d9fea3bb44ab7bd1b19115dd6a759c0808b8");
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consensus.BIP65Height = 388381; // 000000000000000004c2b624ed5d7756c508d90fd0da2c7c679febfa6c4735f0
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consensus.BIP66Height = 363725; // 00000000000000000379eaa19dce8c9b722d46ae6a57c2f1a988119488b50931
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consensus.powLimit = uint256S("00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
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consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
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consensus.nPowTargetSpacing = 10 * 60;
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consensus.fPowAllowMinDifficultyBlocks = false;
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consensus.fPowNoRetargeting = false;
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consensus.nRuleChangeActivationThreshold = 1916; // 95% of 2016
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consensus.nMinerConfirmationWindow = 2016; // nPowTargetTimespan / nPowTargetSpacing
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consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
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consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = 1199145601; // January 1, 2008
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consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = 1230767999; // December 31, 2008
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// Deployment of BIP68, BIP112, and BIP113.
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consensus.vDeployments[Consensus::DEPLOYMENT_CSV].bit = 0;
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consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nStartTime = 1462060800; // May 1st, 2016
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consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nTimeout = 1493596800; // May 1st, 2017
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// Deployment of SegWit (BIP141, BIP143, and BIP147)
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consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].bit = 1;
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consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nStartTime = 1479168000; // November 15th, 2016.
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consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nTimeout = 1510704000; // November 15th, 2017.
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// The best chain should have at least this much work.
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consensus.nMinimumChainWork = uint256S("0x000000000000000000000000000000000000000000f91c579d57cad4bc5278cc");
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// By default assume that the signatures in ancestors of this block are valid.
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consensus.defaultAssumeValid = uint256S("0x0000000000000000005214481d2d96f898e3d5416e43359c145944a909d242e0"); //506067
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/**
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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 32-bit integer with any alignment.
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*/
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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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nDefaultPort = 8333;
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nPruneAfterHeight = 100000;
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genesis = CreateGenesisBlock(1231006505, 2083236893, 0x1d00ffff, 1, 50 * COIN);
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consensus.hashGenesisBlock = genesis.GetHash();
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assert(consensus.hashGenesisBlock == uint256S("0x000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f"));
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assert(genesis.hashMerkleRoot == uint256S("0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"));
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// Note that of those which support the service bits prefix, most only support a subset of
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// possible options.
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// This is fine at runtime as we'll fall back to using them as a oneshot if they don't support the
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// service bits we want, but we should get them updated to support all service bits wanted by any
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// release ASAP to avoid it where possible.
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vSeeds.emplace_back("seed.bitcoin.sipa.be"); // Pieter Wuille, only supports x1, x5, x9, and xd
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vSeeds.emplace_back("dnsseed.bluematt.me"); // Matt Corallo, only supports x9
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vSeeds.emplace_back("dnsseed.bitcoin.dashjr.org"); // Luke Dashjr
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vSeeds.emplace_back("seed.bitcoinstats.com"); // Christian Decker, supports x1 - xf
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vSeeds.emplace_back("seed.bitcoin.jonasschnelli.ch"); // Jonas Schnelli, only supports x1, x5, x9, and xd
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vSeeds.emplace_back("seed.btc.petertodd.org"); // Peter Todd, only supports x1, x5, x9, and xd
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vSeeds.emplace_back("seed.bitcoin.sprovoost.nl"); // Sjors Provoost
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base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,0);
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base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,5);
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base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,128);
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base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x88, 0xB2, 0x1E};
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base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x88, 0xAD, 0xE4};
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bech32_hrp = "bc";
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vFixedSeeds = std::vector<SeedSpec6>(pnSeed6_main, pnSeed6_main + ARRAYLEN(pnSeed6_main));
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fDefaultConsistencyChecks = false;
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fRequireStandard = true;
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fMineBlocksOnDemand = false;
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checkpointData = {
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{
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{ 11111, uint256S("0x0000000069e244f73d78e8fd29ba2fd2ed618bd6fa2ee92559f542fdb26e7c1d")},
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{ 33333, uint256S("0x000000002dd5588a74784eaa7ab0507a18ad16a236e7b1ce69f00d7ddfb5d0a6")},
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{ 74000, uint256S("0x0000000000573993a3c9e41ce34471c079dcf5f52a0e824a81e7f953b8661a20")},
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{105000, uint256S("0x00000000000291ce28027faea320c8d2b054b2e0fe44a773f3eefb151d6bdc97")},
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{134444, uint256S("0x00000000000005b12ffd4cd315cd34ffd4a594f430ac814c91184a0d42d2b0fe")},
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{168000, uint256S("0x000000000000099e61ea72015e79632f216fe6cb33d7899acb35b75c8303b763")},
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{193000, uint256S("0x000000000000059f452a5f7340de6682a977387c17010ff6e6c3bd83ca8b1317")},
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{210000, uint256S("0x000000000000048b95347e83192f69cf0366076336c639f9b7228e9ba171342e")},
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{216116, uint256S("0x00000000000001b4f4b433e81ee46494af945cf96014816a4e2370f11b23df4e")},
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{225430, uint256S("0x00000000000001c108384350f74090433e7fcf79a606b8e797f065b130575932")},
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{250000, uint256S("0x000000000000003887df1f29024b06fc2200b55f8af8f35453d7be294df2d214")},
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{279000, uint256S("0x0000000000000001ae8c72a0b0c301f67e3afca10e819efa9041e458e9bd7e40")},
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{295000, uint256S("0x00000000000000004d9b4ef50f0f9d686fd69db2e03af35a100370c64632a983")},
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}
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};
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chainTxData = ChainTxData{
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// Data as of block 0000000000000000002d6cca6761c99b3c2e936f9a0e304b7c7651a993f461de (height 506081).
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1516903077, // * UNIX timestamp of last known number of transactions
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295363220, // * total number of transactions between genesis and that timestamp
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// (the tx=... number in the ChainStateFlushed debug.log lines)
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3.5 // * estimated number of transactions per second after that timestamp
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};
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/* disable fallback fee on mainnet */
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m_fallback_fee_enabled = false;
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}
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};
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/**
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* Testnet (v3)
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*/
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class CTestNetParams : public CChainParams {
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public:
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CTestNetParams() {
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strNetworkID = "test";
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consensus.nSubsidyHalvingInterval = 210000;
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consensus.BIP16Exception = uint256S("0x00000000dd30457c001f4095d208cc1296b0eed002427aa599874af7a432b105");
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consensus.BIP34Height = 21111;
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consensus.BIP34Hash = uint256S("0x0000000023b3a96d3484e5abb3755c413e7d41500f8e2a5c3f0dd01299cd8ef8");
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consensus.BIP65Height = 581885; // 00000000007f6655f22f98e72ed80d8b06dc761d5da09df0fa1dc4be4f861eb6
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consensus.BIP66Height = 330776; // 000000002104c8c45e99a8853285a3b592602a3ccde2b832481da85e9e4ba182
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consensus.powLimit = uint256S("00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
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consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
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consensus.nPowTargetSpacing = 10 * 60;
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consensus.fPowAllowMinDifficultyBlocks = true;
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consensus.fPowNoRetargeting = false;
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consensus.nRuleChangeActivationThreshold = 1512; // 75% for testchains
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consensus.nMinerConfirmationWindow = 2016; // nPowTargetTimespan / nPowTargetSpacing
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consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
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consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = 1199145601; // January 1, 2008
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consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = 1230767999; // December 31, 2008
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// Deployment of BIP68, BIP112, and BIP113.
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consensus.vDeployments[Consensus::DEPLOYMENT_CSV].bit = 0;
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consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nStartTime = 1456790400; // March 1st, 2016
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consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nTimeout = 1493596800; // May 1st, 2017
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// Deployment of SegWit (BIP141, BIP143, and BIP147)
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consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].bit = 1;
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consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nStartTime = 1462060800; // May 1st 2016
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consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nTimeout = 1493596800; // May 1st 2017
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// The best chain should have at least this much work.
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consensus.nMinimumChainWork = uint256S("0x00000000000000000000000000000000000000000000002830dab7f76dbb7d63");
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// By default assume that the signatures in ancestors of this block are valid.
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consensus.defaultAssumeValid = uint256S("0x0000000002e9e7b00e1f6dc5123a04aad68dd0f0968d8c7aa45f6640795c37b1"); //1135275
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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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nDefaultPort = 18333;
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nPruneAfterHeight = 1000;
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genesis = CreateGenesisBlock(1296688602, 414098458, 0x1d00ffff, 1, 50 * COIN);
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consensus.hashGenesisBlock = genesis.GetHash();
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assert(consensus.hashGenesisBlock == uint256S("0x000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943"));
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assert(genesis.hashMerkleRoot == uint256S("0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"));
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vFixedSeeds.clear();
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vSeeds.clear();
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// nodes with support for servicebits filtering should be at the top
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vSeeds.emplace_back("testnet-seed.bitcoin.jonasschnelli.ch");
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vSeeds.emplace_back("seed.tbtc.petertodd.org");
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vSeeds.emplace_back("seed.testnet.bitcoin.sprovoost.nl");
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vSeeds.emplace_back("testnet-seed.bluematt.me"); // Just a static list of stable node(s), only supports x9
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base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
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base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
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base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,239);
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base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
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base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
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bech32_hrp = "tb";
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vFixedSeeds = std::vector<SeedSpec6>(pnSeed6_test, pnSeed6_test + ARRAYLEN(pnSeed6_test));
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fDefaultConsistencyChecks = false;
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fRequireStandard = false;
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fMineBlocksOnDemand = false;
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checkpointData = {
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{
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{546, uint256S("000000002a936ca763904c3c35fce2f3556c559c0214345d31b1bcebf76acb70")},
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}
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};
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chainTxData = ChainTxData{
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// Data as of block 000000000000033cfa3c975eb83ecf2bb4aaedf68e6d279f6ed2b427c64caff9 (height 1260526)
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1516903490,
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17082348,
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0.09
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};
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/* enable fallback fee on testnet */
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m_fallback_fee_enabled = true;
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}
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};
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/**
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* Regression test
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*/
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class CRegTestParams : public CChainParams {
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public:
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CRegTestParams() {
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strNetworkID = "regtest";
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consensus.nSubsidyHalvingInterval = 150;
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consensus.BIP16Exception = uint256();
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consensus.BIP34Height = 100000000; // BIP34 has not activated on regtest (far in the future so block v1 are not rejected in tests)
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consensus.BIP34Hash = uint256();
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consensus.BIP65Height = 1351; // BIP65 activated on regtest (Used in rpc activation tests)
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consensus.BIP66Height = 1251; // BIP66 activated on regtest (Used in rpc activation tests)
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consensus.powLimit = uint256S("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
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consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
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consensus.nPowTargetSpacing = 10 * 60;
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consensus.fPowAllowMinDifficultyBlocks = true;
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consensus.fPowNoRetargeting = true;
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consensus.nRuleChangeActivationThreshold = 108; // 75% for testchains
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consensus.nMinerConfirmationWindow = 144; // Faster than normal for regtest (144 instead of 2016)
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consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28;
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consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = 0;
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consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
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consensus.vDeployments[Consensus::DEPLOYMENT_CSV].bit = 0;
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consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nStartTime = 0;
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consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
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consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].bit = 1;
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consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nStartTime = Consensus::BIP9Deployment::ALWAYS_ACTIVE;
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consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nTimeout = Consensus::BIP9Deployment::NO_TIMEOUT;
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// The best chain should have at least this much work.
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consensus.nMinimumChainWork = uint256S("0x00");
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// By default assume that the signatures in ancestors of this block are valid.
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consensus.defaultAssumeValid = uint256S("0x00");
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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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nDefaultPort = 18444;
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nPruneAfterHeight = 1000;
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genesis = CreateGenesisBlock(1296688602, 2, 0x207fffff, 1, 50 * COIN);
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consensus.hashGenesisBlock = genesis.GetHash();
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assert(consensus.hashGenesisBlock == uint256S("0x0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206"));
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assert(genesis.hashMerkleRoot == uint256S("0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"));
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vFixedSeeds.clear(); //!< Regtest mode doesn't have any fixed seeds.
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vSeeds.clear(); //!< Regtest mode doesn't have any DNS seeds.
|
|
|
|
fDefaultConsistencyChecks = true;
|
|
fRequireStandard = false;
|
|
fMineBlocksOnDemand = true;
|
|
|
|
checkpointData = {
|
|
{
|
|
{0, uint256S("0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206")},
|
|
}
|
|
};
|
|
|
|
chainTxData = ChainTxData{
|
|
0,
|
|
0,
|
|
0
|
|
};
|
|
|
|
base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
|
|
base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
|
|
base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,239);
|
|
base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
|
|
base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
|
|
|
|
bech32_hrp = "bcrt";
|
|
|
|
/* enable fallback fee on regtest */
|
|
m_fallback_fee_enabled = true;
|
|
}
|
|
};
|
|
|
|
static std::unique_ptr<CChainParams> globalChainParams;
|
|
|
|
const CChainParams &Params() {
|
|
assert(globalChainParams);
|
|
return *globalChainParams;
|
|
}
|
|
|
|
std::unique_ptr<CChainParams> CreateChainParams(const std::string& chain)
|
|
{
|
|
if (chain == CBaseChainParams::MAIN)
|
|
return std::unique_ptr<CChainParams>(new CMainParams());
|
|
else if (chain == CBaseChainParams::TESTNET)
|
|
return std::unique_ptr<CChainParams>(new CTestNetParams());
|
|
else if (chain == CBaseChainParams::REGTEST)
|
|
return std::unique_ptr<CChainParams>(new CRegTestParams());
|
|
throw std::runtime_error(strprintf("%s: Unknown chain %s.", __func__, chain));
|
|
}
|
|
|
|
void SelectParams(const std::string& network)
|
|
{
|
|
SelectBaseParams(network);
|
|
globalChainParams = CreateChainParams(network);
|
|
}
|
|
|
|
void UpdateVersionBitsParameters(Consensus::DeploymentPos d, int64_t nStartTime, int64_t nTimeout)
|
|
{
|
|
globalChainParams->UpdateVersionBitsParameters(d, nStartTime, nTimeout);
|
|
}
|