354 lines
16 KiB
C++
354 lines
16 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 <boost/assign/list_of.hpp>
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#include <stdio.h>
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#include "chainparamsseeds.h"
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#include "arith_uint256.h"
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#define GENESIS_MERKLE_ROOT "b8211c82c3d15bcd78bba57005b86fed515149a53a425eb592c07af99fe559cc"
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#define MAINNET_GENESIS_HASH "0000678ddce6b9b57e58fab6b89a1cf63519ffb4bc097debb1836577ead9a3be"
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#define MAINNET_GENESIS_NONCE 71748
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#define REGTEST_GENESIS_HASH "6e3fcf1299d4ec5d79c3a4c91d624a4acf9e2e173d95a1a0504f677669687556"
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#define REGTEST_GENESIS_NONCE 1
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bool CheckProofOfWork2(uint256 hash, unsigned int nBits, const Consensus::Params& params)
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{
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bool fNegative;
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bool fOverflow;
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arith_uint256 bnTarget;
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bnTarget.SetCompact(nBits, &fNegative, &fOverflow);
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// Check range
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if (fNegative || bnTarget == 0 || fOverflow || bnTarget > UintToArith256(params.powLimit))
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return error("CheckProofOfWork(): nBits below minimum work");
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// Check proof of work matches claimed amount
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if (UintToArith256(hash) > bnTarget)
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return error("CheckProofOfWork(): hash doesn't match nBits");
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return true;
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}
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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, const Consensus::Params& consensus)
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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 = CScript() << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f") << OP_CHECKSIG;
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//txNew.vout[0].scriptPubKey = CScript() << ParseHex("0425caecb9fbf6cf50979644e85c11e3ec9007fd477fab9683648c6539e59b59c3a4d9b9c0b552c37eee6476f3e0d8425ac0346fe69ad61628b8c340d42fbfa3fd") << OP_CHECKSIG;
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//txNew.vout[0].scriptPubKey = CScript() << OP_DUP << OP_HASH160 << ParseHex("e5ff2d9e3a254622ae493573169c0fa94c82fe4f") << OP_EQUALVERIFY << OP_CHECKSIG;
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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(txNew);
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genesis.hashPrevBlock.SetNull();
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genesis.hashMerkleRoot = BlockMerkleRoot(genesis);
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genesis.hashClaimTrie = uint256S("0x0000000000000000000000000000000000000000000000000000000000000001");
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/*while (true)
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{
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genesis.nNonce += 1;
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if (CheckProofOfWork2(genesis.GetPoWHash(), nBits, consensus))
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{
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std::cout << "nonce: " << genesis.nNonce << std::endl;
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std::cout << "hex: " << genesis.GetHash().GetHex() << std::endl;
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std::cout << "pow hash: " << genesis.GetPoWHash().GetHex() << std::endl;
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break;
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}
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}*/
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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, const Consensus::Params& consensus)
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{
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const char* pszTimestamp = "insert timestamp string";//"The Times 03/Jan/2009 Chancellor on brink of second bailout for banks";
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const CScript genesisOutputScript = CScript() << OP_DUP << OP_HASH160 << ParseHex("345991dbf57bfb014b87006acdfafbfc5fe8292f") << OP_EQUALVERIFY << OP_CHECKSIG;
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return CreateGenesisBlock(pszTimestamp, genesisOutputScript, nTime, nNonce, nBits, nVersion, genesisReward, consensus);
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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 = "lbrycrd";
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consensus.nSubsidyLevelInterval = 1<<5;
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consensus.nMajorityEnforceBlockUpgrade = 750;
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consensus.nMajorityRejectBlockOutdated = 950;
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consensus.nMajorityWindow = 1000;
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consensus.BIP34Height = 227931;
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consensus.BIP34Hash = uint256S("0x000000000000024b89b42a942fe0d9fea3bb44ab7bd1b19115dd6a759c0808b8");
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consensus.powLimit = uint256S("0000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
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consensus.nPowTargetTimespan = 150 * 24 * 2; // 2 hours
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consensus.nPowTargetSpacing = 150;
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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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/**
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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] = 0xfa;
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pchMessageStart[1] = 0xe4;
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pchMessageStart[2] = 0xaa;
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pchMessageStart[3] = 0xf1;
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nDefaultPort = 9246;
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nPruneAfterHeight = 100000;
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genesis = CreateGenesisBlock(1446058291, MAINNET_GENESIS_NONCE, 0x1f00ffff, 1, 400000000 * COIN, consensus);
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consensus.hashGenesisBlock = genesis.GetHash();
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//std::cout << "hex: " << consensus.hashGenesisBlock.GetHex() << std::endl;
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//std::cout << "merkle root: " << genesis.hashMerkleRoot.GetHex() << std::endl;
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assert(consensus.hashGenesisBlock == uint256S(MAINNET_GENESIS_HASH));
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assert(genesis.hashMerkleRoot == uint256S(GENESIS_MERKLE_ROOT));
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vSeeds.clear();
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vFixedSeeds.clear();
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vSeeds.push_back(CDNSSeedData("lbrycrd.lbry.io", "seed.lbrycrd.lbry.io")); // lbry.io
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base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,0x55);
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base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,0x7a);
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base58Prefixes[SECRET_KEY] = std::vector<unsigned char>(1,0x1c);
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base58Prefixes[EXT_PUBLIC_KEY] = boost::assign::list_of(0x01)(0x9C)(0x35)(0x4f).convert_to_container<std::vector<unsigned char> >();
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base58Prefixes[EXT_SECRET_KEY] = boost::assign::list_of(0x01)(0x9C)(0x31)(0x18).convert_to_container<std::vector<unsigned char> >();
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vFixedSeeds = std::vector<SeedSpec6>(pnSeed6_main, pnSeed6_main + ARRAYLEN(pnSeed6_main));
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fMiningRequiresPeers = true;
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fDefaultConsistencyChecks = false;
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fRequireStandard = true;
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fMineBlocksOnDemand = false;
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fTestnetToBeDeprecatedFieldRPC = false;
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checkpointData = (CCheckpointData) {
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boost::assign::map_list_of
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( 0, uint256S("0x0000343f59c49eb433ba3a37ee4b3493ff014ee9b266f610bb3cd1b36927787a")),
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1417453734, // * UNIX timestamp of last checkpoint block
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1, // * 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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0.0 // * estimated number of transactions per day after checkpoint
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};
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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 CChainParams {
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public:
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CTestNetParams() {
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strNetworkID = "test";
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consensus.nSubsidyLevelInterval = 1 << 5;
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consensus.nMajorityEnforceBlockUpgrade = 51;
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consensus.nMajorityRejectBlockOutdated = 75;
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consensus.nMajorityWindow = 100;
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consensus.BIP34Height = 21111;
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consensus.BIP34Hash = uint256S("0x0000000023b3a96d3484e5abb3755c413e7d41500f8e2a5c3f0dd01299cd8ef8");
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consensus.powLimit = uint256S("0000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
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consensus.nPowTargetTimespan = 30 * 60 * 12;//14 * 24 * 60 * 60; // two weeks
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consensus.nPowTargetSpacing = 30;
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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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pchMessageStart[0] = 0x1d;
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pchMessageStart[1] = 0x0c;
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pchMessageStart[2] = 0xaa;
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pchMessageStart[3] = 0xd1;
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nDefaultPort = 19246;
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nPruneAfterHeight = 1000;
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genesis = CreateGenesisBlock(1446058291, MAINNET_GENESIS_NONCE, 0x1f00ffff, 1, 400000000 * COIN, consensus);
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consensus.hashGenesisBlock = genesis.GetHash();
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//std::cout << "testnet genesis hash: " << genesis.GetHash().GetHex() << std::endl;
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//std::cout << "testnet merkle hash: " << genesis.hashMerkleRoot.GetHex() << std::endl;
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assert(consensus.hashGenesisBlock == uint256S(MAINNET_GENESIS_HASH));
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assert(genesis.hashMerkleRoot == uint256S(GENESIS_MERKLE_ROOT));
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vFixedSeeds.clear();
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vSeeds.clear();
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//vSeeds.push_back(CDNSSeedData("bitcoin.petertodd.org", "testnet-seed.bitcoin.petertodd.org"));
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//vSeeds.push_back(CDNSSeedData("bluematt.me", "testnet-seed.bluematt.me"));
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//vSeeds.push_back(CDNSSeedData("bitcoin.schildbach.de", "testnet-seed.bitcoin.schildbach.de"));
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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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vFixedSeeds = std::vector<SeedSpec6>(pnSeed6_test, pnSeed6_test + ARRAYLEN(pnSeed6_test));
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fMiningRequiresPeers = 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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checkpointData = (CCheckpointData) {
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boost::assign::map_list_of
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( 546, uint256S("000000002a936ca763904c3c35fce2f3556c559c0214345d31b1bcebf76acb70")),
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1337966069,
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1488,
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300
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};
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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 CChainParams {
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public:
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CRegTestParams() {
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strNetworkID = "regtest";
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consensus.nSubsidyLevelInterval = 1 << 4;
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consensus.nMajorityEnforceBlockUpgrade = 750;
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consensus.nMajorityRejectBlockOutdated = 950;
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consensus.nMajorityWindow = 1000;
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consensus.BIP34Height = -1; // BIP34 has not necessarily activated on regtest
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consensus.BIP34Hash = uint256();
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consensus.powLimit = uint256S("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
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consensus.nPowTargetTimespan = 30 * 60 * 12;//14 * 24 * 60 * 60; // two weeks
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consensus.nPowTargetSpacing = 30;
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consensus.fPowAllowMinDifficultyBlocks = false;
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consensus.fPowNoRetargeting = false;
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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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pchMessageStart[0] = 0xfb;
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pchMessageStart[1] = 0xbe;
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pchMessageStart[2] = 0xbf;
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pchMessageStart[3] = 0xd9;
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nDefaultPort = 29246;
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nPruneAfterHeight = 1000;
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genesis = CreateGenesisBlock(1446058291, REGTEST_GENESIS_NONCE, 0x207fffff, 1, 400000000 * COIN, consensus);
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consensus.hashGenesisBlock = genesis.GetHash();
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//std::cout << "regtest genensis hash: " << genesis.GetHash().GetHex() << std::endl;
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//std::cout << "regtest hashmerkleroot: " << genesis.hashMerkleRoot.GetHex() << std::endl;
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assert(consensus.hashGenesisBlock == uint256S(REGTEST_GENESIS_HASH));
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assert(genesis.hashMerkleRoot == uint256S(GENESIS_MERKLE_ROOT));
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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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fMiningRequiresPeers = false;
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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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checkpointData = (CCheckpointData){
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boost::assign::map_list_of
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( 0, uint256S("0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206")),
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0,
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0,
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0
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};
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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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}
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};
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static CRegTestParams regTestParams;
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static CChainParams *pCurrentParams = 0;
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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(const std::string& chain)
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{
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if (chain == CBaseChainParams::MAIN)
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return mainParams;
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else if (chain == CBaseChainParams::TESTNET)
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return testNetParams;
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else if (chain == CBaseChainParams::REGTEST)
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return regTestParams;
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else
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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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pCurrentParams = &Params(network);
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}
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