barrystyle
231 lines
9.2 KiB
C++
231 lines
9.2 KiB
C++
// Copyright (c) 2010 Satoshi Nakamoto
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// Copyright (c) 2009-2018 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 <arith_uint256.h>
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#include <chainparamsseeds.h>
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#include <consensus/merkle.h>
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#include <tinyformat.h>
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#include <util/system.h>
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#include <util/strencodings.h>
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#include <versionbitsinfo.h>
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#include <assert.h>
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#include <boost/algorithm/string/classification.hpp>
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#include <boost/algorithm/string/split.hpp>
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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=17e7131a4eb39658cca55c136f59d2cf795db379f3cb4fa640b171ee4ae90e9a, ver=0x00000001,
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* hashPrevBlock=0000000000000000000000000000000000000000000000000000000000000000,
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* hashMerkleRoot=dfd0e8579d4f22ce8fb4a7c2e372469d027e2a4954b6a3ef302c698052bdae1f,
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* nTime=1559078000, nBits=1f00ffff, nNonce=26552, vtx=1)
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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 = "nyc3 2019";
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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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/**
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* Main network
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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.powLimit = uint256S("0000fffff0000000000000000000000000000000000000000000000000000000");
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consensus.nPowTargetTimespan = 10; // you read correctly..
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consensus.nPowTargetSpacing = consensus.nPowTargetTimespan;
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consensus.fPowAllowMinDifficultyBlocks = false;
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consensus.fPowNoRetargeting = false;
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consensus.nRuleChangeActivationThreshold = 1916;
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consensus.nMinerConfirmationWindow = 2016;
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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("0x0000000000000000000000000000000000000000000000000000000000000000");
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// By default assume that the signatures in ancestors of this block are valid.
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consensus.defaultAssumeValid = uint256S("0x0000000000000000000000000000000000000000000000000000000000000000");
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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] = 0x1f;
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pchMessageStart[1] = 0xbe;
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pchMessageStart[2] = 0xef;
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pchMessageStart[3] = 0xf1;
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nDefaultPort = 55555;
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nPruneAfterHeight = 100000;
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m_assumed_blockchain_size = 240;
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m_assumed_chain_state_size = 3;
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genesis = CreateGenesisBlock(1559078000, 26552, 0x1f00ffff, 1, 0 * COIN);
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consensus.hashGenesisBlock = genesis.GetHash();
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assert(consensus.hashGenesisBlock == uint256S("0x17e7131a4eb39658cca55c136f59d2cf795db379f3cb4fa640b171ee4ae90e9a"));
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assert(genesis.hashMerkleRoot == uint256S("0xdfd0e8579d4f22ce8fb4a7c2e372469d027e2a4954b6a3ef302c698052bdae1f"));
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// vSeeds.emplace_back("");
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base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,53);
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base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,5);
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base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,181);
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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 = "ny";
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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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{ 0, consensus.hashGenesisBlock }
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}
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};
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chainTxData = ChainTxData{
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/* nTime */ 1559078000,
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/* nTxCount */ 1,
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/* dTxRate */ 1,
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};
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/* disable fallback fee on mainnet */
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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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* 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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}
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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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explicit CRegTestParams(const ArgsManager& args) {
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strNetworkID = "regtest";
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}
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/**
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* Allows modifying the Version Bits regtest parameters.
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*/
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void 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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void UpdateVersionBitsParametersFromArgs(const ArgsManager& args);
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};
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void CRegTestParams::UpdateVersionBitsParametersFromArgs(const ArgsManager& args)
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{
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if (!args.IsArgSet("-vbparams")) return;
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for (const std::string& strDeployment : args.GetArgs("-vbparams")) {
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std::vector<std::string> vDeploymentParams;
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boost::split(vDeploymentParams, strDeployment, boost::is_any_of(":"));
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if (vDeploymentParams.size() != 3) {
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throw std::runtime_error("Version bits parameters malformed, expecting deployment:start:end");
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}
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int64_t nStartTime, nTimeout;
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if (!ParseInt64(vDeploymentParams[1], &nStartTime)) {
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throw std::runtime_error(strprintf("Invalid nStartTime (%s)", vDeploymentParams[1]));
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}
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if (!ParseInt64(vDeploymentParams[2], &nTimeout)) {
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throw std::runtime_error(strprintf("Invalid nTimeout (%s)", vDeploymentParams[2]));
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}
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bool found = false;
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for (int j=0; j < (int)Consensus::MAX_VERSION_BITS_DEPLOYMENTS; ++j) {
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if (vDeploymentParams[0] == VersionBitsDeploymentInfo[j].name) {
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UpdateVersionBitsParameters(Consensus::DeploymentPos(j), nStartTime, nTimeout);
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found = true;
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LogPrintf("Setting version bits activation parameters for %s to start=%ld, timeout=%ld\n", vDeploymentParams[0], nStartTime, nTimeout);
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break;
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}
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}
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if (!found) {
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throw std::runtime_error(strprintf("Invalid deployment (%s)", vDeploymentParams[0]));
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}
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}
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}
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static std::unique_ptr<const CChainParams> globalChainParams;
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const CChainParams &Params() {
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assert(globalChainParams);
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return *globalChainParams;
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}
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std::unique_ptr<const CChainParams> CreateChainParams(const std::string& chain)
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{
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if (chain == CBaseChainParams::MAIN)
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return std::unique_ptr<CChainParams>(new CMainParams());
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else if (chain == CBaseChainParams::TESTNET)
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return std::unique_ptr<CChainParams>(new CTestNetParams());
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else if (chain == CBaseChainParams::REGTEST)
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return std::unique_ptr<CChainParams>(new CRegTestParams(gArgs));
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throw std::runtime_error(strprintf("%s: Unknown chain %s.", __func__, chain));
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}
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void SelectParams(const std::string& network)
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{
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SelectBaseParams(network);
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globalChainParams = CreateChainParams(network);
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}
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