387 lines
16 KiB
C++
387 lines
16 KiB
C++
// Copyright (c) 2010 Satoshi Nakamoto
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// Copyright (c) 2009-2014 The Bitcoin developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include "chainparams.h"
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#include "random.h"
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#include "util.h"
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#include "utilstrencodings.h"
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#include <assert.h>
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#include <boost/assign/list_of.hpp>
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using namespace std;
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using namespace boost::assign;
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struct SeedSpec6 {
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uint8_t addr[16];
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uint16_t port;
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};
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#include "chainparamsseeds.h"
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/**
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* Main network
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*/
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//! Convert the pnSeeds6 array into usable address objects.
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static void convertSeed6(std::vector<CAddress> &vSeedsOut, const SeedSpec6 *data, unsigned int count)
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{
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// It'll only connect to one or two seed nodes because once it connects,
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// it'll get a pile of addresses with newer timestamps.
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// Seed nodes are given a random 'last seen time' of between one and two
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// weeks ago.
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const int64_t nOneWeek = 7*24*60*60;
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for (unsigned int i = 0; i < count; i++)
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{
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struct in6_addr ip;
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memcpy(&ip, data[i].addr, sizeof(ip));
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CAddress addr(CService(ip, data[i].port));
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addr.nTime = GetTime() - GetRand(nOneWeek) - nOneWeek;
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vSeedsOut.push_back(addr);
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}
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}
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/**
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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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static Checkpoints::MapCheckpoints mapCheckpoints =
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boost::assign::map_list_of
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( 1500, uint256("0x841a2965955dd288cfa707a755d05a54e45f8bd476835ec9af4402a2b59a2967"))
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( 4032, uint256("0x9ce90e427198fc0ef05e5905ce3503725b80e26afd35a987965fd7e3d9cf0846"))
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( 8064, uint256("0xeb984353fc5190f210651f150c40b8a4bab9eeeff0b729fcb3987da694430d70"))
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( 16128, uint256("0x602edf1859b7f9a6af809f1d9b0e6cb66fdc1d4d9dcd7a4bec03e12a1ccd153d"))
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( 23420, uint256("0xd80fdf9ca81afd0bd2b2a90ac3a9fe547da58f2530ec874e978fce0b5101b507"))
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( 50000, uint256("0x69dc37eb029b68f075a5012dcc0419c127672adb4f3a32882b2b3e71d07a20a6"))
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( 80000, uint256("0x4fcb7c02f676a300503f49c764a89955a8f920b46a8cbecb4867182ecdb2e90a"))
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(120000, uint256("0xbd9d26924f05f6daa7f0155f32828ec89e8e29cee9e7121b026a7a3552ac6131"))
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(161500, uint256("0xdbe89880474f4bb4f75c227c77ba1cdc024991123b28b8418dbbf7798471ff43"))
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(179620, uint256("0x2ad9c65c990ac00426d18e446e0fd7be2ffa69e9a7dcb28358a50b2b78b9f709"))
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(240000, uint256("0x7140d1c4b4c2157ca217ee7636f24c9c73db39c4590c4e6eab2e3ea1555088aa"))
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(383640, uint256("0x2b6809f094a9215bafc65eb3f110a35127a34be94b7d0590a096c3f126c6f364"))
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(409004, uint256("0x487518d663d9f1fa08611d9395ad74d982b667fbdc0e77e9cf39b4f1355908a3"))
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(456000, uint256("0xbf34f71cc6366cd487930d06be22f897e34ca6a40501ac7d401be32456372004"))
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(638902, uint256("0x15238656e8ec63d28de29a8c75fcf3a5819afc953dcd9cc45cecc53baec74f38"))
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(721000, uint256("0x198a7b4de1df9478e2463bd99d75b714eab235a2e63e741641dc8a759a9840e5"))
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;
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static const Checkpoints::CCheckpointData data = {
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&mapCheckpoints,
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1422681363, // * UNIX timestamp of last checkpoint block
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5502192, // * total number of transactions between genesis and last checkpoint
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// (the tx=... number in the SetBestChain debug.log lines)
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5500.0 // * estimated number of transactions per day after checkpoint
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};
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static Checkpoints::MapCheckpoints mapCheckpointsTestnet =
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boost::assign::map_list_of
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( 546, uint256("0xa0fea99a6897f531600c8ae53367b126824fd6a847b2b2b73817a95b8e27e602"))
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;
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static const Checkpoints::CCheckpointData dataTestnet = {
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&mapCheckpointsTestnet,
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1365458829,
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547,
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576
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};
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static Checkpoints::MapCheckpoints mapCheckpointsRegtest =
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boost::assign::map_list_of
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( 0, uint256("0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206"))
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;
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static const Checkpoints::CCheckpointData dataRegtest = {
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&mapCheckpointsRegtest,
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0,
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0,
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0
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};
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class CMainParams : public CChainParams {
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public:
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CMainParams() {
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networkID = CBaseChainParams::MAIN;
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strNetworkID = "main";
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/**
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* The message start string is designed to be unlikely to occur in normal data.
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* The characters are rarely used upper ASCII, not valid as UTF-8, and produce
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* a large 4-byte int at any alignment.
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*/
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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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vAlertPubKey = ParseHex("040184710fa689ad5023690c80f3a49c8f13f8d45b8c857fbcbc8bc4a8e4d3eb4b10f4d4604fa08dce601aaf0f470216fe1b51850b4acf21b179c45070ac7b03a9");
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nDefaultPort = 9333;
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bnProofOfWorkLimit = ~uint256(0) >> 20;
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nSubsidyHalvingInterval = 840000;
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nEnforceBlockUpgradeMajority = 750;
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nRejectBlockOutdatedMajority = 950;
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nToCheckBlockUpgradeMajority = 1000;
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nMinerThreads = 0;
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nTargetTimespan = 3.5 * 24 * 60 * 60; // 3.5 days
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nTargetSpacing = 2.5 * 60; // 2.5 minutes
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nMaxTipAge = 24 * 60 * 60;
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/**
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* Build the genesis block. Note that the output of the genesis coinbase cannot
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* be spent as it did not originally exist in the database.
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*
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* CBlock(hash=000000000019d6, ver=1, hashPrevBlock=00000000000000, hashMerkleRoot=4a5e1e, nTime=1231006505, nBits=1d00ffff, nNonce=2083236893, vtx=1)
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* CTransaction(hash=4a5e1e, ver=1, vin.size=1, vout.size=1, nLockTime=0)
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* CTxIn(COutPoint(000000, -1), coinbase 04ffff001d0104455468652054696d65732030332f4a616e2f32303039204368616e63656c6c6f72206f6e206272696e6b206f66207365636f6e64206261696c6f757420666f722062616e6b73)
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* CTxOut(nValue=50.00000000, scriptPubKey=0x5F1DF16B2B704C8A578D0B)
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* vMerkleTree: 4a5e1e
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*/
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const char* pszTimestamp = "NY Times 05/Oct/2011 Steve Jobs, Apple’s Visionary, Dies at 56";
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CMutableTransaction txNew;
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txNew.vin.resize(1);
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txNew.vout.resize(1);
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txNew.vin[0].scriptSig = CScript() << 486604799 << CScriptNum(4) << vector<unsigned char>((const unsigned char*)pszTimestamp, (const unsigned char*)pszTimestamp + strlen(pszTimestamp));
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txNew.vout[0].nValue = 50 * COIN;
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txNew.vout[0].scriptPubKey = CScript() << ParseHex("040184710fa689ad5023690c80f3a49c8f13f8d45b8c857fbcbc8bc4a8e4d3eb4b10f4d4604fa08dce601aaf0f470216fe1b51850b4acf21b179c45070ac7b03a9") << OP_CHECKSIG;
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genesis.vtx.push_back(txNew);
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genesis.hashPrevBlock = 0;
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genesis.hashMerkleRoot = genesis.BuildMerkleTree();
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genesis.nVersion = 1;
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genesis.nTime = 1317972665;
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genesis.nBits = 0x1e0ffff0;
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genesis.nNonce = 2084524493;
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hashGenesisBlock = genesis.GetHash();
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assert(hashGenesisBlock == uint256("0x12a765e31ffd4059bada1e25190f6e98c99d9714d334efa41a195a7e7e04bfe2"));
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assert(genesis.hashMerkleRoot == uint256("0x97ddfbbae6be97fd6cdf3e7ca13232a3afff2353e29badfab7f73011edd4ced9"));
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vSeeds.push_back(CDNSSeedData("litecointools.com", "dnsseed.litecointools.com"));
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vSeeds.push_back(CDNSSeedData("litecoinpool.org", "dnsseed.litecoinpool.org"));
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vSeeds.push_back(CDNSSeedData("xurious.com", "dnsseed.ltc.xurious.com"));
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vSeeds.push_back(CDNSSeedData("koin-project.com", "dnsseed.koin-project.com"));
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vSeeds.push_back(CDNSSeedData("weminemnc.com", "dnsseed.weminemnc.com"));
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vSeeds.push_back(CDNSSeedData("loshan.co.uk", "seed-a.litecoin.loshan.co.uk"));
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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[SECRET_KEY] = std::vector<unsigned char>(1,176);
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base58Prefixes[EXT_PUBLIC_KEY] = boost::assign::list_of(0x04)(0x88)(0xB2)(0x1E).convert_to_container<std::vector<unsigned char> >();
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base58Prefixes[EXT_SECRET_KEY] = boost::assign::list_of(0x04)(0x88)(0xAD)(0xE4).convert_to_container<std::vector<unsigned char> >();
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convertSeed6(vFixedSeeds, pnSeed6_main, ARRAYLEN(pnSeed6_main));
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fRequireRPCPassword = true;
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fMiningRequiresPeers = true;
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fAllowMinDifficultyBlocks = false;
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fDefaultConsistencyChecks = false;
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fRequireStandard = true;
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fMineBlocksOnDemand = false;
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fSkipProofOfWorkCheck = false;
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fTestnetToBeDeprecatedFieldRPC = false;
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// Litecoin: Mainnet v2 enforced as of block 710k
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nEnforceV2AfterHeight = 710000;
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}
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const Checkpoints::CCheckpointData& Checkpoints() const
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{
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return data;
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}
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};
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static CMainParams mainParams;
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/**
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* Testnet (v3)
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*/
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class CTestNetParams : public CMainParams {
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public:
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CTestNetParams() {
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networkID = CBaseChainParams::TESTNET;
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strNetworkID = "test";
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pchMessageStart[0] = 0xfc;
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pchMessageStart[1] = 0xc1;
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pchMessageStart[2] = 0xb7;
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pchMessageStart[3] = 0xdc;
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vAlertPubKey = ParseHex("0449623fc74489a947c4b15d579115591add020e53b3490bf47297dfa3762250625f8ecc2fb4fc59f69bdce8f7080f3167808276ed2c79d297054367566038aa82");
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nDefaultPort = 19333;
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nEnforceBlockUpgradeMajority = 51;
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nRejectBlockOutdatedMajority = 75;
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nToCheckBlockUpgradeMajority = 100;
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nMinerThreads = 0;
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nTargetTimespan = 3.5 * 24 * 60 * 60; // 3.5 days
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nTargetSpacing = 2.5 * 60; // 2.5 minutes
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nMaxTipAge = 0x7fffffff;
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//! Modify the testnet genesis block so the timestamp is valid for a later start.
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genesis.nTime = 1317798646;
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genesis.nNonce = 385270584;
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hashGenesisBlock = genesis.GetHash();
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assert(hashGenesisBlock == uint256("0xf5ae71e26c74beacc88382716aced69cddf3dffff24f384e1808905e0188f68f"));
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vFixedSeeds.clear();
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vSeeds.clear();
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vSeeds.push_back(CDNSSeedData("litecointools.com", "testnet-seed.litecointools.com"));
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vSeeds.push_back(CDNSSeedData("xurious.com", "testnet-seed.ltc.xurious.com"));
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vSeeds.push_back(CDNSSeedData("wemine-testnet.com", "dnsseed.wemine-testnet.com"));
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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] = boost::assign::list_of(0x04)(0x35)(0x87)(0xCF).convert_to_container<std::vector<unsigned char> >();
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base58Prefixes[EXT_SECRET_KEY] = boost::assign::list_of(0x04)(0x35)(0x83)(0x94).convert_to_container<std::vector<unsigned char> >();
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convertSeed6(vFixedSeeds, pnSeed6_test, ARRAYLEN(pnSeed6_test));
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fRequireRPCPassword = true;
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fMiningRequiresPeers = true;
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fAllowMinDifficultyBlocks = true;
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fDefaultConsistencyChecks = false;
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fRequireStandard = false;
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fMineBlocksOnDemand = false;
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fTestnetToBeDeprecatedFieldRPC = true;
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// Litecoin: Testnet v2 enforced as of block 400k
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nEnforceV2AfterHeight = 400000;
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}
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const Checkpoints::CCheckpointData& Checkpoints() const
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{
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return dataTestnet;
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}
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};
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static CTestNetParams testNetParams;
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/**
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* Regression test
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*/
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class CRegTestParams : public CTestNetParams {
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public:
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CRegTestParams() {
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networkID = CBaseChainParams::REGTEST;
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strNetworkID = "regtest";
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pchMessageStart[0] = 0xfa;
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pchMessageStart[1] = 0xbf;
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pchMessageStart[2] = 0xb5;
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pchMessageStart[3] = 0xda;
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nSubsidyHalvingInterval = 150;
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nEnforceBlockUpgradeMajority = 750;
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nRejectBlockOutdatedMajority = 950;
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nToCheckBlockUpgradeMajority = 1000;
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nMinerThreads = 1;
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nTargetTimespan = 3.5 * 24 * 60 * 60; // 3.5 days
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nTargetSpacing = 2.5 * 60; // 2.5 minutes
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bnProofOfWorkLimit = ~uint256(0) >> 1;
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nMaxTipAge = 24 * 60 * 60;
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genesis.nTime = 1296688602;
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genesis.nBits = 0x207fffff;
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genesis.nNonce = 0;
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hashGenesisBlock = genesis.GetHash();
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nDefaultPort = 19444;
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assert(hashGenesisBlock == uint256("0x530827f38f93b43ed12af0b3ad25a288dc02ed74d6d7857862df51fc56c416f9"));
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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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fRequireRPCPassword = false;
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fMiningRequiresPeers = false;
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fAllowMinDifficultyBlocks = true;
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fDefaultConsistencyChecks = true;
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fRequireStandard = false;
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fMineBlocksOnDemand = true;
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fTestnetToBeDeprecatedFieldRPC = false;
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// Litecoin: v2 enforced using Bitcoin's supermajority rule
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nEnforceV2AfterHeight = -1;
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}
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const Checkpoints::CCheckpointData& Checkpoints() const
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{
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return dataRegtest;
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}
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};
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static CRegTestParams regTestParams;
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/**
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* Unit test
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*/
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class CUnitTestParams : public CMainParams, public CModifiableParams {
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public:
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CUnitTestParams() {
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networkID = CBaseChainParams::UNITTEST;
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strNetworkID = "unittest";
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nDefaultPort = 18445;
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vFixedSeeds.clear(); //! Unit test mode doesn't have any fixed seeds.
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vSeeds.clear(); //! Unit test mode doesn't have any DNS seeds.
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fRequireRPCPassword = false;
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fMiningRequiresPeers = false;
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fDefaultConsistencyChecks = true;
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fAllowMinDifficultyBlocks = false;
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fMineBlocksOnDemand = true;
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// Litecoin: v2 enforced using Bitcoin's supermajority rule
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nEnforceV2AfterHeight = -1;
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}
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const Checkpoints::CCheckpointData& Checkpoints() const
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{
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// UnitTest share the same checkpoints as MAIN
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return data;
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}
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//! Published setters to allow changing values in unit test cases
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virtual void setSubsidyHalvingInterval(int anSubsidyHalvingInterval) { nSubsidyHalvingInterval=anSubsidyHalvingInterval; }
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virtual void setEnforceBlockUpgradeMajority(int anEnforceBlockUpgradeMajority) { nEnforceBlockUpgradeMajority=anEnforceBlockUpgradeMajority; }
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virtual void setRejectBlockOutdatedMajority(int anRejectBlockOutdatedMajority) { nRejectBlockOutdatedMajority=anRejectBlockOutdatedMajority; }
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virtual void setToCheckBlockUpgradeMajority(int anToCheckBlockUpgradeMajority) { nToCheckBlockUpgradeMajority=anToCheckBlockUpgradeMajority; }
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virtual void setDefaultConsistencyChecks(bool afDefaultConsistencyChecks) { fDefaultConsistencyChecks=afDefaultConsistencyChecks; }
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virtual void setAllowMinDifficultyBlocks(bool afAllowMinDifficultyBlocks) { fAllowMinDifficultyBlocks=afAllowMinDifficultyBlocks; }
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virtual void setSkipProofOfWorkCheck(bool afSkipProofOfWorkCheck) { fSkipProofOfWorkCheck = afSkipProofOfWorkCheck; }
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};
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static CUnitTestParams unitTestParams;
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static CChainParams *pCurrentParams = 0;
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CModifiableParams *ModifiableParams()
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{
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assert(pCurrentParams);
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assert(pCurrentParams==&unitTestParams);
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return (CModifiableParams*)&unitTestParams;
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}
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const CChainParams &Params() {
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assert(pCurrentParams);
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return *pCurrentParams;
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}
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CChainParams &Params(CBaseChainParams::Network network) {
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switch (network) {
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case CBaseChainParams::MAIN:
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return mainParams;
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case CBaseChainParams::TESTNET:
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return testNetParams;
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case CBaseChainParams::REGTEST:
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return regTestParams;
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case CBaseChainParams::UNITTEST:
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return unitTestParams;
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default:
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assert(false && "Unimplemented network");
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return mainParams;
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}
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}
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void SelectParams(CBaseChainParams::Network network) {
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SelectBaseParams(network);
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pCurrentParams = &Params(network);
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}
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bool SelectParamsFromCommandLine()
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{
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CBaseChainParams::Network network = NetworkIdFromCommandLine();
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if (network == CBaseChainParams::MAX_NETWORK_TYPES)
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return false;
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SelectParams(network);
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return true;
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}
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