367 lines
18 KiB
C++
367 lines
18 KiB
C++
// Copyright (c) 2010 Satoshi Nakamoto
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// Copyright (c) 2009-2015 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 = "NY Times 05/Oct/2011 Steve Jobs, Apple’s Visionary, Dies at 56";
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const CScript genesisOutputScript = CScript() << ParseHex("040184710fa689ad5023690c80f3a49c8f13f8d45b8c857fbcbc8bc4a8e4d3eb4b10f4d4604fa08dce601aaf0f470216fe1b51850b4acf21b179c45070ac7b03a9") << 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 = 840000;
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consensus.BIP34Height = 710000;
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consensus.BIP34Hash = uint256S("fa09d204a83a768ed5a7c8d441fa62f2043abf420cff1226c7b4329aeb9d51cf");
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consensus.BIP65Height = 918684; // bab3041e8977e0dc3eeff63fe707b92bde1dd449d8efafb248c27c8264cc311a
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consensus.BIP66Height = 811879; // 7aceee012833fa8952f8835d8b1b3ae233cd6ab08fdb27a771d2bd7bdc491894
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consensus.powLimit = uint256S("00000fffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
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consensus.nPowTargetTimespan = 3.5 * 24 * 60 * 60; // 3.5 days
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consensus.nPowTargetSpacing = 2.5 * 60;
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consensus.fPowAllowMinDifficultyBlocks = false;
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consensus.fPowNoRetargeting = false;
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consensus.nRuleChangeActivationThreshold = 6048; // 75% of 8064
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consensus.nMinerConfirmationWindow = 8064; // nPowTargetTimespan / nPowTargetSpacing * 4
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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 = 1485561600; // January 28, 2017
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consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nTimeout = 1517356801; // January 31st, 2018
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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 = 1485561600; // January 28, 2017
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consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nTimeout = 1517356801; // January 31st, 2018
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// The best chain should have at least this much work.
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consensus.nMinimumChainWork = uint256S("0x00000000000000000000000000000000000000000000000ba50a60f8b56c7fe0");
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// By default assume that the signatures in ancestors of this block are valid.
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consensus.defaultAssumeValid = uint256S("0x29c8c00e1a5f446a6364a29633d3f1ee16428d87c8d3851a1c570be8170b04c2"); //1259849
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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] = 0xfb;
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pchMessageStart[1] = 0xc0;
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pchMessageStart[2] = 0xb6;
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pchMessageStart[3] = 0xdb;
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nDefaultPort = 9333;
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nPruneAfterHeight = 100000;
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genesis = CreateGenesisBlock(1317972665, 2084524493, 0x1e0ffff0, 1, 50 * COIN);
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consensus.hashGenesisBlock = genesis.GetHash();
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assert(consensus.hashGenesisBlock == uint256S("0x12a765e31ffd4059bada1e25190f6e98c99d9714d334efa41a195a7e7e04bfe2"));
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assert(genesis.hashMerkleRoot == uint256S("0x97ddfbbae6be97fd6cdf3e7ca13232a3afff2353e29badfab7f73011edd4ced9"));
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// Note that of those with the service bits flag, most only support a subset of possible options
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vSeeds.emplace_back("seed-a.litecoin.loshan.co.uk", true);
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vSeeds.emplace_back("dnsseed.thrasher.io", true);
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vSeeds.emplace_back("dnsseed.litecointools.com", true);
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vSeeds.emplace_back("dnsseed.litecoinpool.org", true);
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vSeeds.emplace_back("dnsseed.koin-project.com", false);
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base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,48);
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base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,5);
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base58Prefixes[SCRIPT_ADDRESS2] = std::vector<unsigned char>(1,50);
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base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,176);
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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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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 = (CCheckpointData) {
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{
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{ 1500, uint256S("0x841a2965955dd288cfa707a755d05a54e45f8bd476835ec9af4402a2b59a2967")},
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{ 4032, uint256S("0x9ce90e427198fc0ef05e5905ce3503725b80e26afd35a987965fd7e3d9cf0846")},
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{ 8064, uint256S("0xeb984353fc5190f210651f150c40b8a4bab9eeeff0b729fcb3987da694430d70")},
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{ 16128, uint256S("0x602edf1859b7f9a6af809f1d9b0e6cb66fdc1d4d9dcd7a4bec03e12a1ccd153d")},
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{ 23420, uint256S("0xd80fdf9ca81afd0bd2b2a90ac3a9fe547da58f2530ec874e978fce0b5101b507")},
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{ 50000, uint256S("0x69dc37eb029b68f075a5012dcc0419c127672adb4f3a32882b2b3e71d07a20a6")},
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{ 80000, uint256S("0x4fcb7c02f676a300503f49c764a89955a8f920b46a8cbecb4867182ecdb2e90a")},
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{120000, uint256S("0xbd9d26924f05f6daa7f0155f32828ec89e8e29cee9e7121b026a7a3552ac6131")},
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{161500, uint256S("0xdbe89880474f4bb4f75c227c77ba1cdc024991123b28b8418dbbf7798471ff43")},
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{179620, uint256S("0x2ad9c65c990ac00426d18e446e0fd7be2ffa69e9a7dcb28358a50b2b78b9f709")},
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{240000, uint256S("0x7140d1c4b4c2157ca217ee7636f24c9c73db39c4590c4e6eab2e3ea1555088aa")},
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{383640, uint256S("0x2b6809f094a9215bafc65eb3f110a35127a34be94b7d0590a096c3f126c6f364")},
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{409004, uint256S("0x487518d663d9f1fa08611d9395ad74d982b667fbdc0e77e9cf39b4f1355908a3")},
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{456000, uint256S("0xbf34f71cc6366cd487930d06be22f897e34ca6a40501ac7d401be32456372004")},
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{638902, uint256S("0x15238656e8ec63d28de29a8c75fcf3a5819afc953dcd9cc45cecc53baec74f38")},
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{721000, uint256S("0x198a7b4de1df9478e2463bd99d75b714eab235a2e63e741641dc8a759a9840e5")},
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}
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};
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chainTxData = ChainTxData{
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// Data as of block db42d00d824950a125f9b08b6b6c282c484781562fa8b3bd29d6ce4a2627c348 (height 1259851).
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1502955334, // * UNIX timestamp of last known number of transactions
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11428845, // * total number of transactions between genesis and that timestamp
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// (the tx=... number in the SetBestChain debug.log lines)
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0.06 // * estimated number of transactions per second after that timestamp
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};
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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 = 840000;
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consensus.BIP34Height = 76;
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consensus.BIP34Hash = uint256S("8075c771ed8b495ffd943980a95f702ab34fce3c8c54e379548bda33cc8c0573");
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consensus.BIP65Height = 76; // 8075c771ed8b495ffd943980a95f702ab34fce3c8c54e379548bda33cc8c0573
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consensus.BIP66Height = 76; // 8075c771ed8b495ffd943980a95f702ab34fce3c8c54e379548bda33cc8c0573
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consensus.powLimit = uint256S("00000fffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
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consensus.nPowTargetTimespan = 3.5 * 24 * 60 * 60; // 3.5 days
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consensus.nPowTargetSpacing = 2.5 * 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 = 1483228800; // January 1, 2017
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consensus.vDeployments[Consensus::DEPLOYMENT_CSV].nTimeout = 1517356801; // January 31st, 2018
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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 = 1483228800; // January 1, 2017
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consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nTimeout = 1517356801; // January 31st, 2018
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// The best chain should have at least this much work.
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consensus.nMinimumChainWork = uint256S("0x0000000000000000000000000000000000000000000000000000364b0cbc3568");
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// By default assume that the signatures in ancestors of this block are valid.
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consensus.defaultAssumeValid = uint256S("0xad8ff6c2f5580d2b50bd881e11312425ea84fa99f322bf132beb722f97971bba"); //153490
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pchMessageStart[0] = 0xfd;
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pchMessageStart[1] = 0xd2;
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pchMessageStart[2] = 0xc8;
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pchMessageStart[3] = 0xf1;
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nDefaultPort = 19335;
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nPruneAfterHeight = 1000;
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genesis = CreateGenesisBlock(1486949366, 293345, 0x1e0ffff0, 1, 50 * COIN);
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consensus.hashGenesisBlock = genesis.GetHash();
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assert(consensus.hashGenesisBlock == uint256S("0x4966625a4b2851d9fdee139e56211a0d88575f59ed816ff5e6a63deb4e3e29a0"));
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assert(genesis.hashMerkleRoot == uint256S("0x97ddfbbae6be97fd6cdf3e7ca13232a3afff2353e29badfab7f73011edd4ced9"));
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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.litecointools.com", true);
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vSeeds.emplace_back("seed-b.litecoin.loshan.co.uk", true);
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vSeeds.emplace_back("dnsseed-testnet.thrasher.io", true);
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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[SCRIPT_ADDRESS2] = std::vector<unsigned char>(1,58);
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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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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 = (CCheckpointData) {
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{
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{2056, uint256S("17748a31ba97afdc9a4f86837a39d287e3e7c7290a08a1d816c5969c78a83289")},
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}
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};
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chainTxData = ChainTxData{
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// Data as of block 3351b6229da00b47ad7a8d7e1323b0e2874744b5296e3d6448293463ab758624 (height 153489)
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1502953751,
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382986,
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0.01
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};
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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.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 = 3.5 * 24 * 60 * 60; // two weeks
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consensus.nPowTargetSpacing = 2.5 * 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 = 999999999999ULL;
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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 = 999999999999ULL;
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consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].bit = 1;
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consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nStartTime = 0;
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consensus.vDeployments[Consensus::DEPLOYMENT_SEGWIT].nTimeout = 999999999999ULL;
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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 = 19444;
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nPruneAfterHeight = 1000;
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genesis = CreateGenesisBlock(1296688602, 0, 0x207fffff, 1, 50 * COIN);
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consensus.hashGenesisBlock = genesis.GetHash();
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assert(consensus.hashGenesisBlock == uint256S("0x530827f38f93b43ed12af0b3ad25a288dc02ed74d6d7857862df51fc56c416f9"));
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assert(genesis.hashMerkleRoot == uint256S("0x97ddfbbae6be97fd6cdf3e7ca13232a3afff2353e29badfab7f73011edd4ced9"));
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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.
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fDefaultConsistencyChecks = true;
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fRequireStandard = false;
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fMineBlocksOnDemand = true;
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checkpointData = (CCheckpointData) {
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{
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{0, uint256S("530827f38f93b43ed12af0b3ad25a288dc02ed74d6d7857862df51fc56c416f9")},
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}
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};
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chainTxData = ChainTxData{
|
||
0,
|
||
0,
|
||
0
|
||
};
|
||
|
||
base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
|
||
base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
|
||
base58Prefixes[SCRIPT_ADDRESS2] = std::vector<unsigned char>(1,58);
|
||
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};
|
||
}
|
||
};
|
||
|
||
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);
|
||
}
|