hush/src/chainparams.cpp

// Copyright (c) 2010 Satoshi Nakamoto
// Copyright (c) 2009-2014 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#include "main.h"
#include "crypto/equihash.h"

#include "util.h"
#include "utilstrencodings.h"

#include <assert.h>

#include <boost/assign/list_of.hpp>

#include "base58.h"

using namespace std;

#include "chainparamsseeds.h"

/**
 * Main network
 */
/**
 * What makes a good checkpoint block?
 * + Is surrounded by blocks with reasonable timestamps
 *   (no blocks before with a timestamp after, none after with
 *    timestamp before)
 * + Contains no strange transactions
 */

const arith_uint256 maxUint = UintToArith256(uint256S("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"));

class CMainParams : public CChainParams {
public:
    CMainParams() {
        strNetworkID = "main";
        strCurrencyUnits = "ZEC";
        consensus.fCoinbaseMustBeProtected = true;
        consensus.nSubsidySlowStartInterval = 2;
        consensus.nSubsidyHalvingInterval = 840000;
        consensus.nMajorityEnforceBlockUpgrade = 750;
        consensus.nMajorityRejectBlockOutdated = 950;
        consensus.nMajorityWindow = 4000;
        consensus.powLimit = uint256S("0007fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
        consensus.nPowAveragingWindow = 17;
        //assert(maxUint/UintToArith256(consensus.powLimit) >= consensus.nPowAveragingWindow);
        consensus.nPowMaxAdjustDown = 32; // 32% adjustment down
        consensus.nPowMaxAdjustUp = 16; // 16% adjustment up
        consensus.nPowTargetSpacing = 2.5 * 60;
        consensus.fPowAllowMinDifficultyBlocks = false;
        /**
         * The message start string should be awesome! ⓩ❤
         */
        pchMessageStart[0] = 0x24;
        pchMessageStart[1] = 0xe9;
        pchMessageStart[2] = 0x27;
        pchMessageStart[3] = 0x64;
        vAlertPubKey = ParseHex("0411ef848a72e48fb2d8216c6698a030dedbef16ac6cd9d739a7b4e346735a8edf252223bac64093f49616050df642c61ae5b5e2bd3654d7dde05a5e296f79950b");
        nDefaultPort = 8888;
        nMinerThreads = 0;
        nMaxTipAge = 24 * 60 * 60;
        nPruneAfterHeight = 100000;
        const size_t N = 200, K = 9;
        BOOST_STATIC_ASSERT(equihash_parameters_acceptable(N, K));
        nEquihashN = N;
        nEquihashK = K;

        /**
         * Build the genesis block. Note that the output of its generation
         * transaction cannot be spent since it did not originally exist in the
         * database (and is in any case of zero value).
         *
         * >>> from pyblake2 import blake2s
         * >>> 'Zcash' + blake2s(b'Reuters:... ').hexdigest()
         */
        const char* pszTimestamp = "Zdashe540ecf100001889836c7d491a2f44e6bc6076d59e5e317255946b71be3fc516";
        CMutableTransaction txNew;
        txNew.vin.resize(1);
        txNew.vout.resize(1);
        txNew.vin[0].scriptSig = CScript() << 520617983 << CScriptNum(4) << vector<unsigned char>((const unsigned char*)pszTimestamp, (const unsigned char*)pszTimestamp + strlen(pszTimestamp));
        txNew.vout[0].nValue = 0;
        txNew.vout[0].scriptPubKey = CScript() << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f") << OP_CHECKSIG;
        genesis.vtx.push_back(txNew);
        genesis.hashPrevBlock.SetNull();
        genesis.hashMerkleRoot = genesis.BuildMerkleTree();
        genesis.nVersion = 4;
        genesis.nTime    = 1479401611;
        genesis.nBits    = 0x1f07ffff;
        genesis.nNonce   = uint256S("0x1205000000000000000000000000000000000000000000000000000000000000");
        genesis.nSolution = ParseHex("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");
       
        consensus.hashGenesisBlock = genesis.GetHash();
        assert(consensus.hashGenesisBlock == uint256S("0x0003a67bc26fe564b75daf11186d360652eb435a35ba3d9d3e7e5d5f8e62dc17"));
        assert(genesis.hashMerkleRoot == uint256S("0x830539f9ec196f36a2759638b674a51b668eba7bbf6af10c56fed4af666be177"));


  
        vFixedSeeds.clear();
        vSeeds.clear();
        vSeeds.push_back(CDNSSeedData("zdash.tk", "142.4.212.68")); // node1
        vSeeds.push_back(CDNSSeedData("node2", "192.99.3.29")); // node2
        //vSeeds.push_back(CDNSSeedData("znodes.org", "dnsseed.znodes.org")); //

        // guarantees the first 2 characters, when base58 encoded, are "t1"
        base58Prefixes[PUBKEY_ADDRESS]     = {0x1C,0xB8};
        // guarantees the first 2 characters, when base58 encoded, are "t3"
        base58Prefixes[SCRIPT_ADDRESS]     = {0x1C,0xBD};
        // the first character, when base58 encoded, is "5" or "K" or "L" (as in Bitcoin)
        base58Prefixes[SECRET_KEY]         = {0x80};
        // do not rely on these BIP32 prefixes; they are not specified and may change
        base58Prefixes[EXT_PUBLIC_KEY]     = {0x04,0x88,0xB2,0x1E};
        base58Prefixes[EXT_SECRET_KEY]     = {0x04,0x88,0xAD,0xE4};
        // guarantees the first 2 characters, when base58 encoded, are "zc"
        base58Prefixes[ZCPAYMENT_ADDRRESS] = {0x16,0x9A};
        // guarantees the first 2 characters, when base58 encoded, are "SK"
        base58Prefixes[ZCSPENDING_KEY]     = {0xAB,0x36};

        vFixedSeeds = std::vector<SeedSpec6>(pnSeed6_main, pnSeed6_main + ARRAYLEN(pnSeed6_main));

        fRequireRPCPassword = true;
        fMiningRequiresPeers = true;
        fDefaultConsistencyChecks = false;
        fRequireStandard = true;
        fMineBlocksOnDemand = false;
        fTestnetToBeDeprecatedFieldRPC = false;

        checkpointData = (Checkpoints::CCheckpointData) {
            boost::assign::map_list_of
            (0, consensus.hashGenesisBlock)
            (120, uint256S("0x01e107af8605050c438e904a145e0e6479077bb2b4abbed8f9067adbeb37dd77")),
            1479655018, // * UNIX timestamp of last checkpoint block
            127, // * total number of transactions between genesis and last checkpoint
                 //   (the tx=... number in the SetBestChain debug.log lines)
            848 // * estimated number of transactions per day after checkpoint
        };

        // Founders reward script expects a vector of 2-of-3 multisig addresses
        vFoundersRewardAddress = {
            "t3Vz22vK5z2LcKEdg16Yv4FFneEL1zg9ojd", /* main-index: 0*/
            "t3cL9AucCajm3HXDhb5jBnJK2vapVoXsop3", /* main-index: 1*/
            "t3fqvkzrrNaMcamkQMwAyHRjfDdM2xQvDTR", /* main-index: 2*/
            "t3TgZ9ZT2CTSK44AnUPi6qeNaHa2eC7pUyF", /* main-index: 3*/
            "t3SpkcPQPfuRYHsP5vz3Pv86PgKo5m9KVmx", /* main-index: 4*/
            "t3Xt4oQMRPagwbpQqkgAViQgtST4VoSWR6S", /* main-index: 5*/
            "t3ayBkZ4w6kKXynwoHZFUSSgXRKtogTXNgb", /* main-index: 6*/
            "t3adJBQuaa21u7NxbR8YMzp3km3TbSZ4MGB", /* main-index: 7*/
            "t3K4aLYagSSBySdrfAGGeUd5H9z5Qvz88t2", /* main-index: 8*/
            "t3RYnsc5nhEvKiva3ZPhfRSk7eyh1CrA6Rk", /* main-index: 9*/
            "t3Ut4KUq2ZSMTPNE67pBU5LqYCi2q36KpXQ", /* main-index: 10*/
            "t3ZnCNAvgu6CSyHm1vWtrx3aiN98dSAGpnD", /* main-index: 11*/
            "t3fB9cB3eSYim64BS9xfwAHQUKLgQQroBDG", /* main-index: 12*/
            "t3cwZfKNNj2vXMAHBQeewm6pXhKFdhk18kD", /* main-index: 13*/
            "t3YcoujXfspWy7rbNUsGKxFEWZqNstGpeG4", /* main-index: 14*/
            "t3bLvCLigc6rbNrUTS5NwkgyVrZcZumTRa4", /* main-index: 15*/
            "t3VvHWa7r3oy67YtU4LZKGCWa2J6eGHvShi", /* main-index: 16*/
            "t3eF9X6X2dSo7MCvTjfZEzwWrVzquxRLNeY", /* main-index: 17*/
            "t3esCNwwmcyc8i9qQfyTbYhTqmYXZ9AwK3X", /* main-index: 18*/
            "t3M4jN7hYE2e27yLsuQPPjuVek81WV3VbBj", /* main-index: 19*/
            "t3gGWxdC67CYNoBbPjNvrrWLAWxPqZLxrVY", /* main-index: 20*/
            "t3LTWeoxeWPbmdkUD3NWBquk4WkazhFBmvU", /* main-index: 21*/
            "t3P5KKX97gXYFSaSjJPiruQEX84yF5z3Tjq", /* main-index: 22*/
            "t3f3T3nCWsEpzmD35VK62JgQfFig74dV8C9", /* main-index: 23*/
            "t3Rqonuzz7afkF7156ZA4vi4iimRSEn41hj", /* main-index: 24*/
            "t3fJZ5jYsyxDtvNrWBeoMbvJaQCj4JJgbgX", /* main-index: 25*/
            "t3Pnbg7XjP7FGPBUuz75H65aczphHgkpoJW", /* main-index: 26*/
            "t3WeKQDxCijL5X7rwFem1MTL9ZwVJkUFhpF", /* main-index: 27*/
            "t3Y9FNi26J7UtAUC4moaETLbMo8KS1Be6ME", /* main-index: 28*/
            "t3aNRLLsL2y8xcjPheZZwFy3Pcv7CsTwBec", /* main-index: 29*/
            "t3gQDEavk5VzAAHK8TrQu2BWDLxEiF1unBm", /* main-index: 30*/
            "t3Rbykhx1TUFrgXrmBYrAJe2STxRKFL7G9r", /* main-index: 31*/
            "t3aaW4aTdP7a8d1VTE1Bod2yhbeggHgMajR", /* main-index: 32*/
            "t3YEiAa6uEjXwFL2v5ztU1fn3yKgzMQqNyo", /* main-index: 33*/
            "t3g1yUUwt2PbmDvMDevTCPWUcbDatL2iQGP", /* main-index: 34*/
            "t3dPWnep6YqGPuY1CecgbeZrY9iUwH8Yd4z", /* main-index: 35*/
            "t3QRZXHDPh2hwU46iQs2776kRuuWfwFp4dV", /* main-index: 36*/
            "t3enhACRxi1ZD7e8ePomVGKn7wp7N9fFJ3r", /* main-index: 37*/
            "t3PkLgT71TnF112nSwBToXsD77yNbx2gJJY", /* main-index: 38*/
            "t3LQtHUDoe7ZhhvddRv4vnaoNAhCr2f4oFN", /* main-index: 39*/
            "t3fNcdBUbycvbCtsD2n9q3LuxG7jVPvFB8L", /* main-index: 40*/
            "t3dKojUU2EMjs28nHV84TvkVEUDu1M1FaEx", /* main-index: 41*/
            "t3aKH6NiWN1ofGd8c19rZiqgYpkJ3n679ME", /* main-index: 42*/
            "t3MEXDF9Wsi63KwpPuQdD6by32Mw2bNTbEa", /* main-index: 43*/
            "t3WDhPfik343yNmPTqtkZAoQZeqA83K7Y3f", /* main-index: 44*/
            "t3PSn5TbMMAEw7Eu36DYctFezRzpX1hzf3M", /* main-index: 45*/
            "t3R3Y5vnBLrEn8L6wFjPjBLnxSUQsKnmFpv", /* main-index: 46*/
            "t3Pcm737EsVkGTbhsu2NekKtJeG92mvYyoN", /* main-index: 47*/
//            "t3PZ9PPcLzgL57XRSG5ND4WNBC9UTFb8DXv", /* main-index: 48*/
//            "t3L1WgcyQ95vtpSgjHfgANHyVYvffJZ9iGb", /* main-index: 49*/
//            "t3JtoXqsv3FuS7SznYCd5pZJGU9di15mdd7", /* main-index: 50*/
//            "t3hLJHrHs3ytDgExxr1mD8DYSrk1TowGV25", /* main-index: 51*/
//            "t3fmYHU2DnVaQgPhDs6TMFVmyC3qbWEWgXN", /* main-index: 52*/
//            "t3T4WmAp6nrLkJ24iPpGeCe1fSWTPv47ASG", /* main-index: 53*/
//            "t3fP6GrDM4QVwdjFhmCxGNbe7jXXXSDQ5dv", /* main-index: 54*/
};
        assert(vFoundersRewardAddress.size() <= consensus.GetLastFoundersRewardBlockHeight());
    }
};
static CMainParams mainParams;

/**
 * Testnet (v3)
 */
class CTestNetParams : public CMainParams {
public:
    CTestNetParams() {
        strNetworkID = "test";
        strCurrencyUnits = "TAZ";
        consensus.nMajorityEnforceBlockUpgrade = 51;
        consensus.nMajorityRejectBlockOutdated = 75;
        consensus.nMajorityWindow = 400;
        consensus.powLimit = uint256S("07ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
        assert(maxUint/UintToArith256(consensus.powLimit) >= consensus.nPowAveragingWindow);
        consensus.fPowAllowMinDifficultyBlocks = true;
        pchMessageStart[0] = 0xfa;
        pchMessageStart[1] = 0x1a;
        pchMessageStart[2] = 0xf9;
        pchMessageStart[3] = 0xbf;
        vAlertPubKey = ParseHex("040c2275ef276b57c646edd5d4441b911c6b166596b0ee853e67842c580b9ed14dab42c7db0985afa1454f9480004e9597178ad4c51d54069bc1013909818a7b81");
        nDefaultPort = 18888;
        nMinerThreads = 0;
        nPruneAfterHeight = 1000;

        //! Modify the testnet genesis block so the timestamp is valid for a later start.
        genesis.nTime = 1477648033;
        genesis.nBits = 0x2007ffff;
        genesis.nNonce = uint256S("0x0000000000000000000000000000000000000000000000000000000000000006");
        genesis.nSolution = ParseHex("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");
        consensus.hashGenesisBlock = genesis.GetHash();
        assert(consensus.hashGenesisBlock == uint256S("0x" + consensus.hashGenesisBlock.ToString()));

        vFixedSeeds.clear();
        vSeeds.clear();
        vSeeds.push_back(CDNSSeedData("z.cash", "dnsseed.testnet.z.cash")); // Zcash

        // guarantees the first 2 characters, when base58 encoded, are "tm"
        base58Prefixes[PUBKEY_ADDRESS]     = {0x1D,0x25};
        // guarantees the first 2 characters, when base58 encoded, are "t2"
        base58Prefixes[SCRIPT_ADDRESS]     = {0x1C,0xBA};
        // the first character, when base58 encoded, is "9" or "c" (as in Bitcoin)
        base58Prefixes[SECRET_KEY]         = {0xEF};
        // do not rely on these BIP32 prefixes; they are not specified and may change
        base58Prefixes[EXT_PUBLIC_KEY]     = {0x04,0x35,0x87,0xCF};
        base58Prefixes[EXT_SECRET_KEY]     = {0x04,0x35,0x83,0x94};
        // guarantees the first 2 characters, when base58 encoded, are "zt"
        base58Prefixes[ZCPAYMENT_ADDRRESS] = {0x16,0xB6};
        // guarantees the first 2 characters, when base58 encoded, are "ST"
        base58Prefixes[ZCSPENDING_KEY]     = {0xAC,0x08};

        vFixedSeeds = std::vector<SeedSpec6>(pnSeed6_test, pnSeed6_test + ARRAYLEN(pnSeed6_test));

        fRequireRPCPassword = true;
        fMiningRequiresPeers = true;
        fDefaultConsistencyChecks = false;
        fRequireStandard = true;
        fMineBlocksOnDemand = false;
        fTestnetToBeDeprecatedFieldRPC = true;

        checkpointData = (Checkpoints::CCheckpointData) {
            boost::assign::map_list_of
            ( 0, consensus.hashGenesisBlock),
            genesis.nTime,
            0,
            0
        };

        // Founders reward script expects a vector of 2-of-3 multisig addresses
        vFoundersRewardAddress = {
            "t2UNzUUx8mWBCRYPRezvA363EYXyEpHokyi", "t2N9PH9Wk9xjqYg9iin1Ua3aekJqfAtE543", "t2NGQjYMQhFndDHguvUw4wZdNdsssA6K7x2", "t27ktmq1kbeCWiQ5TZ7w5npSzcdbBmTB7v6",
            "t2GcBttAKD2WTHka8HyGc2dfvVTKYZUfHmJ", "t2Q3vxWaD9LrdqUE8Xd9Ddjpr9pUQ2aGotK", "t2TTfWDsYu998fHWzVP9Gns4fgxXXRi1Wzu", "t2KS6R4MMWdSBMjLCiw2iMyhWGRQPmyRqDn",
            "t2Q2ELrgotWv3Eec6LEtMMiiQ8dtW38u8Tj", "t2AEgJA88vTWAKqxJDFUEJWyHUtQAZi5G1D", "t2HCSdmpq1TQKksuwPQevwAzPTgfJ2rkMbG", "t2HQCPFAUQaUdJWHPhg5pPBxit7inaJzubE",
            "t2Fzqvq8Y9e6Mn3JNPb982aYsLmq4b5HmhH", "t2HEz7YZQqDUgC5h4y2WSD3mWneqJNVRjjJ", "t2GCR1SCk687Eeo5NEZ23MLsms7JjVWBgfG", "t2KyiPR9Lztq2w1w747X6W4nkUMAGL8M9KN",
            "t2UxymadyxSyVihmbq7S1yxw5dCBqJ1S4jT", "t2AVeMy7fdmTcJhckqiKRG8B7F1vccEhSqU", "t26m7LwihQzD2sH7ZVhYpPJM5j7kzwbfKW9", "t2DgwUNTe7NxuyPU6fxsB5xJXap3E4yWXrN",
            "t2U6funcXA11fC9SZehyvUL3rk3Vhuh7fzS", "t284JhyS8LGM72Tx1porSqwrcq3CejthP1p", "t29egu8QcpzKeLoPLqWS6QVMnUUPQdF6eNm", "t29LqD9p9D3B26euBwFi6mfcWu8HPA38VNs",
            "t28GsAMCxAyLy85XaasddDzaYFTtfewr86y", "t2GV44QyaikQPLUfm6oTfZnw71LLjnR7gDG", "t2U2QzNLQ1jtAu4L6xxVnRXLBsQpQvGRR2g", "t2QKGr5PNan7nrwDgseyHMN9NFeeuUjCh8b",
            "t2AfS8u6HwBeJpKpbuxztvRjupKQDXqnrwa", "t2CTRQUViQd3CWMhnKhFnUHqDLUyTxmWhJs", "t2CbM9EqszNURqh1UXZBXYhwp1R4GwEhWRE", "t2LM7uYiAsKDU42GNSnMwDxbZ8s1DowQzYH",
            "t2AgvT35LHR378AE3ouz6xKMhkTLHLJC6nD", "t285EAQXUVyi4NMddJv2QqTrnv45GRMbP8e", "t2EpMRCD5b8f2DCQ37npNULcpZhkjC8muqA", "t2BCmWXrRPiCeQTpizSWKKRPM5X6PS7umDY",
            "t2DN7X6wDFn5hYKBiBmn3Z98st419yaTVTH", "t2QJj8HeCwQ6mHwqekxxDLZntYpZTHNU62t", "t2QdHBR1Yciqn4j8gpS8DcQZZtYetKvfNj3", "t2E5cpLA1ey5VNxFNcuopeQMq2rH2NHiPdu",
            "t2EVRGtzjFAyz8CF8ndvLuiJu7qZUfDa93H", "t2KoQDk3BSFadBkuaWdLwchFuQamzw9RE4L", "t2FnR3yhTmuiejEJeu6qpidWTghRd1HpjLt", "t2BAuBAAospDc9d1u5nNGEi6x4NRJBD2PQ2",
            "t2RtKrLCGcyPkm4a4APg1YY9Wu2m4R2PgrB", "t28aUbSteZzBq2pFgj1K1XNZRZP5mMMyakV", "t2Urdy1ERfkvsFuy6Z4BkhvYGzWdmivfAFR", "t2ADinR4JrvCMd4Q1XGALPajzFrirqvhED6",
        };
        assert(vFoundersRewardAddress.size() <= consensus.GetLastFoundersRewardBlockHeight());
    }
};
static CTestNetParams testNetParams;

/**
 * Regression test
 */
class CRegTestParams : public CTestNetParams {
public:
    CRegTestParams() {
        strNetworkID = "regtest";
        strCurrencyUnits = "REG";
        consensus.fCoinbaseMustBeProtected = false;
        consensus.nSubsidySlowStartInterval = 0;
        consensus.nSubsidyHalvingInterval = 150;
        consensus.nMajorityEnforceBlockUpgrade = 750;
        consensus.nMajorityRejectBlockOutdated = 950;
        consensus.nMajorityWindow = 1000;
        consensus.powLimit = uint256S("0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f");
        assert(maxUint/UintToArith256(consensus.powLimit) >= consensus.nPowAveragingWindow);
        consensus.nPowMaxAdjustDown = 0; // Turn off adjustment down
        consensus.nPowMaxAdjustUp = 0; // Turn off adjustment up
        pchMessageStart[0] = 0xaa;
        pchMessageStart[1] = 0xe8;
        pchMessageStart[2] = 0x3f;
        pchMessageStart[3] = 0x5f;
        nMinerThreads = 1;
        nMaxTipAge = 24 * 60 * 60;
        const size_t N = 48, K = 5;
        BOOST_STATIC_ASSERT(equihash_parameters_acceptable(N, K));
        nEquihashN = N;
        nEquihashK = K;
        genesis.nTime = 1296688602;
        genesis.nBits = 0x200f0f0f;
        genesis.nNonce = uint256S("0x0000000000000000000000000000000000000000000000000000000000000009");
        genesis.nSolution = ParseHex("01936b7db1eb4ac39f151b8704642d0a8bda13ec547d54cd5e43ba142fc6d8877cab07b3");
        consensus.hashGenesisBlock = genesis.GetHash();
        nDefaultPort = 18444;
        assert(consensus.hashGenesisBlock == uint256S("0x" + consensus.hashGenesisBlock.ToString()));
        nPruneAfterHeight = 1000;

        vFixedSeeds.clear(); //! Regtest mode doesn't have any fixed seeds.
        vSeeds.clear();  //! Regtest mode doesn't have any DNS seeds.

        fRequireRPCPassword = false;
        fMiningRequiresPeers = false;
        fDefaultConsistencyChecks = true;
        fRequireStandard = false;
        fMineBlocksOnDemand = true;
        fTestnetToBeDeprecatedFieldRPC = false;

        checkpointData = (Checkpoints::CCheckpointData){
            boost::assign::map_list_of
            ( 0, uint256S("0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206")),
            0,
            0,
            0
        };

        // Founders reward script expects a vector of 2-of-3 multisig addresses
        vFoundersRewardAddress = { "t2FwcEhFdNXuFMv1tcYwaBJtYVtMj8b1uTg" };
        assert(vFoundersRewardAddress.size() <= consensus.GetLastFoundersRewardBlockHeight());
    }
};
static CRegTestParams regTestParams;

static CChainParams *pCurrentParams = 0;

const CChainParams &Params() {
    assert(pCurrentParams);
    return *pCurrentParams;
}

CChainParams &Params(CBaseChainParams::Network network) {
    switch (network) {
        case CBaseChainParams::MAIN:
            return mainParams;
        case CBaseChainParams::TESTNET:
            return testNetParams;
        case CBaseChainParams::REGTEST:
            return regTestParams;
        default:
            assert(false && "Unimplemented network");
            return mainParams;
    }
}

void SelectParams(CBaseChainParams::Network network) {
    SelectBaseParams(network);
    pCurrentParams = &Params(network);

    // Some python qa rpc tests need to enforce the coinbase consensus rule
    if (network == CBaseChainParams::REGTEST && mapArgs.count("-regtestprotectcoinbase")) {
        regTestParams.SetRegTestCoinbaseMustBeProtected();
    }
}

bool SelectParamsFromCommandLine()
{
    CBaseChainParams::Network network = NetworkIdFromCommandLine();
    if (network == CBaseChainParams::MAX_NETWORK_TYPES)
        return false;

    SelectParams(network);
    return true;
}


// Block height must be >0 and <=last founders reward block height
// Index variable i ranges from 0 - (vFoundersRewardAddress.size()-1)
std::string CChainParams::GetFoundersRewardAddressAtHeight(int nHeight) const {
    int maxHeight = consensus.GetLastFoundersRewardBlockHeight();
    assert(nHeight > 0 && nHeight <= maxHeight);

    size_t addressChangeInterval = (maxHeight + vFoundersRewardAddress.size()) / vFoundersRewardAddress.size();
    size_t i = nHeight / addressChangeInterval;
    return vFoundersRewardAddress[i];
}

// Block height must be >0 and <=last founders reward block height
// The founders reward address is expected to be a multisig (P2SH) address
CScript CChainParams::GetFoundersRewardScriptAtHeight(int nHeight) const {
    assert(nHeight > 0 && nHeight <= consensus.GetLastFoundersRewardBlockHeight());

    CBitcoinAddress address(GetFoundersRewardAddressAtHeight(nHeight).c_str());
    assert(address.IsValid());
    assert(address.IsScript());
    CScriptID scriptID = get<CScriptID>(address.Get()); // Get() returns a boost variant
    CScript script = CScript() << OP_HASH160 << ToByteVector(scriptID) << OP_EQUAL;
    return script;
}

std::string CChainParams::GetFoundersRewardAddressAtIndex(int i) const {
    assert(i >= 0 && i < vFoundersRewardAddress.size());
    return vFoundersRewardAddress[i];
}