hush3/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";
        consensus.fCoinbaseMustBeProtected = false;//true;
        consensus.nSubsidySlowStartInterval = 20000;
        consensus.nSubsidyHalvingInterval = 840000;
        consensus.nMajorityEnforceBlockUpgrade = 750;
        consensus.nMajorityRejectBlockOutdated = 950;
        consensus.nMajorityWindow = 4000;
        consensus.powLimit = uint256S("0007ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
        consensus.nPowAveragingWindow = 17;
        assert(maxUint/UintToArith256(consensus.powLimit) >= consensus.nPowAveragingWindow);
        consensus.nPowMaxAdjustDown = 32; // 32% adjustment down
        consensus.nPowMaxAdjustUp = 16; // 16% adjustment up
        consensus.nPowTargetSpacing = 1 * 60;
        consensus.fPowAllowMinDifficultyBlocks = true; //false;
        /** 
         * The message start string is designed to be unlikely to occur in normal data.
         * The characters are rarely used upper ASCII, not valid as UTF-8, and produce
         * a large 32-bit integer with any alignment.
         */
        pchMessageStart[0] = 0xf9;
        pchMessageStart[1] = 0xee;
        pchMessageStart[2] = 0xe4;
        pchMessageStart[3] = 0x8d;
        vAlertPubKey = ParseHex("020e46e79a2a8d12b9b5d12c7a91adb4e454edfae43c0a0cb805427d2ac7613fd9");
        nDefaultPort = 7770;

        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).
         * CBlock(hash=000000000019d6, ver=1, hashPrevBlock=00000000000000, hashMerkleRoot=4a5e1e, nTime=1231006505, nBits=1d00ffff, nNonce=2083236893, vtx=1)
         *   CTransaction(hash=4a5e1e, ver=1, vin.size=1, vout.size=1, nLockTime=0)
         *     CTxIn(COutPoint(000000, -1), coinbase 04ffff001d0104455468652054696d65732030332f4a616e2f32303039204368616e63656c6c6f72206f6e206272696e6b206f66207365636f6e64206261696c6f757420666f722062616e6b73)
         *     CTxOut(nValue=50.00000000, scriptPubKey=0x5F1DF16B2B704C8A578D0B)
         *   vMerkleTree: 4a5e1e
         */
        const char* pszTimestamp = "The Times 03/Jan/2009 Chancellor on brink of second bailout for banks";
        CMutableTransaction txNew;
        txNew.vin.resize(1);
        txNew.vout.resize(1);
        txNew.vin[0].scriptSig = CScript() << 486604799 << CScriptNum(4) << vector<unsigned char>((const unsigned char*)pszTimestamp, (const unsigned char*)pszTimestamp + strlen(pszTimestamp));
        txNew.vout[0].nValue = 50 * COIN;
        
        /*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 = 1;
        genesis.nTime    = 1231006505;
        // TODO generate harder genesis block
        //genesis.nBits    = 0x1d00ffff;
        genesis.nBits    = KOMODO_MINDIFF_NBITS;
        genesis.nNonce   = uint256S("0x000000000000000000000000000000000000000000000000000000000000000b");
        genesis.nSolution = ParseHex("000d5ba7cda5d473947263bf194285317179d2b0d307119c2e7cc4bd8ac456f0774bd52b0cd9249be9d40718b6397a4c7bbd8f2b3272fed2823cd2af4bd1632200ba4bf796727d6347b225f670f292343274cc35099466f5fb5f0cd1c105121b28213d15db2ed7bdba490b4cedc69742a57b7c25af24485e523aadbb77a0144fc76f79ef73bd8530d42b9f3b9bed1c135ad1fe152923fafe98f95f76f1615e64c4abb1137f4c31b218ba2782bc15534788dda2cc08a0ee2987c8b27ff41bd4e31cd5fb5643dfe862c9a02ca9f90c8c51a6671d681d04ad47e4b53b1518d4befafefe8cadfb912f3d03051b1efbf1dfe37b56e93a741d8dfd80d576ca250bee55fab1311fc7b3255977558cdda6f7d6f875306e43a14413facdaed2f46093e0ef1e8f8a963e1632dcbeebd8e49fd16b57d49b08f9762de89157c65233f60c8e38a1f503a48c555f8ec45dedecd574a37601323c27be597b956343107f8bd80f3a925afaf30811df83c402116bb9c1e5231c70fff899a7c82f73c902ba54da53cc459b7bf1113db65cc8f6914d3618560ea69abd13658fa7b6af92d374d6eca9529f8bd565166e4fcbf2a8dfb3c9b69539d4d2ee2e9321b85b331925df195915f2757637c2805e1d4131e1ad9ef9bc1bb1c732d8dba4738716d351ab30c996c8657bab39567ee3b29c6d054b711495c0d52e1cd5d8e55b4f0f0325b97369280755b46a02afd54be4ddd9f77c22272b8bbb17ff5118fedbae2564524e797bd28b5f74f7079d532ccc059807989f94d267f47e724b3f1ecfe00ec9e6541c961080d8891251b84b4480bc292f6a180bea089fef5bbda56e1e41390d7c0e85ba0ef530f7177413481a226465a36ef6afe1e2bca69d2078712b3912bba1a99b1fbff0d355d6ffe726d2bb6fbc103c4ac5756e5bee6e47e17424ebcbf1b63d8cb90ce2e40198b4f4198689daea254307e52a25562f4c1455340f0ffeb10f9d8e914775e37d0edca019fb1b9c6ef81255ed86bc51c5391e0591480f66e2d88c5f4fd7277697968656a9b113ab97f874fdd5f2465e5559533e01ba13ef4a8f7a21d02c30c8ded68e8c54603ab9c8084ef6d9eb4e92c75b078539e2ae786ebab6dab73a09e0aa9ac575bcefb29e930ae656e58bcb513f7e3c17e079dce4f05b5dbc18c2a872b22509740ebe6a3903e00ad1abc55076441862643f93606e3dc35e8d9f2caef3ee6be14d513b2e062b21d0061de3bd56881713a1a5c17f5ace05e1ec09da53f99442df175a49bd154aa96e4949decd52fed79ccf7ccbce32941419c314e374e4a396ac553e17b5340336a1a25c22f9e42a243ba5404450b650acfc826a6e432971ace776e15719515e1634ceb9a4a35061b668c74998d3dfb5827f6238ec015377e6f9c94f38108768cf6e5c8b132e0303fb5a200368f845ad9d46343035a6ff94031df8d8309415bb3f6cd5ede9c135fdabcc030599858d803c0f85be7661c88984d88faa3d26fb0e9aac0056a53f1b5d0baed713c853c4a2726869a0a124a8a5bbc0fc0ef80c8ae4cb53636aa02503b86a1eb9836fcc259823e2692d921d88e1ffc1e6cb2bde43939ceb3f32a611686f539f8f7c9f0bf00381f743607d40960f06d347d1cd8ac8a51969c25e37150efdf7aa4c2037a2fd0516fb444525ab157a0ed0a7412b2fa69b217fe397263153782c0f64351fbdf2678fa0dc8569912dcd8e3ccad38f34f23bbbce14c6a26ac24911b308b82c7e43062d180baeac4ba7153858365c72c63dcf5f6a5b08070b730adb017aeae925b7d0439979e2679f45ed2f25a7edcfd2fb77a8794630285ccb0a071f5cce410b46dbf9750b0354aae8b65574501cc69efb5b6a43444074fee116641bb29da56c2b4a7f456991fc92b2");

        consensus.hashGenesisBlock = genesis.GetHash();

        assert(consensus.hashGenesisBlock == uint256S("0x027e3758c3a65b12aa1046462b486d0a63bfa1beae327897f56c5cfb7daaae71"));
        assert(genesis.hashMerkleRoot == uint256S("0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"));
        vFixedSeeds.clear();
        vSeeds.clear();

        // TODO: set up bootstrapping for mainnet
        base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,60);
        base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,85);
        base58Prefixes[SECRET_KEY] =     std::vector<unsigned char>(1,188);
        base58Prefixes[EXT_PUBLIC_KEY] = boost::assign::list_of(0x04)(0x88)(0xB2)(0x1E).convert_to_container<std::vector<unsigned char> >();
        base58Prefixes[EXT_SECRET_KEY] = boost::assign::list_of(0x04)(0x88)(0xAD)(0xE4).convert_to_container<std::vector<unsigned char> >();
        // guarantees the first two characters, when base58 encoded, are "zc"
        base58Prefixes[ZCPAYMENT_ADDRRESS] = {22,154};
        // guarantees the first two characters, when base58 encoded, are "SK"
        base58Prefixes[ZCSPENDING_KEY] = {171,54};

        /*
        // 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),
            genesis.nTime, // * UNIX timestamp of last checkpoint block
            0,   // * total number of transactions between genesis and last checkpoint
                 //   (the tx=... number in the SetBestChain debug.log lines)
            0    // * estimated number of transactions per day after checkpoint
        };
    }
};
static CMainParams mainParams;

/**
 * Testnet (v3)
 */
class CTestNetParams : public CMainParams {
public:
    CTestNetParams() {
        strNetworkID = "test";
        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] = 0x5A;
        pchMessageStart[1] = 0x1F;
        pchMessageStart[2] = 0x7E;
        pchMessageStart[3] = 0x62;
        vAlertPubKey = ParseHex("00");
        nDefaultPort = 17770;
        nMinerThreads = 0;
        nPruneAfterHeight = 1000;

        //! Modify the testnet genesis block so the timestamp is valid for a later start.
        genesis.nTime = 1296688602;
        genesis.nBits = KOMODO_MINDIFF_NBITS;
        genesis.nNonce = uint256S("0x0000000000000000000000000000000000000000000000000000000000000009");
        genesis.nSolution = ParseHex("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");
        consensus.hashGenesisBlock = genesis.GetHash();
        assert(consensus.hashGenesisBlock == uint256S("0x05a60a92d99d85997cce3b87616c089f6124d7342af37106edc76126334a2c38"));

        vFixedSeeds.clear();
        vSeeds.clear();
        //vSeeds.push_back(CDNSSeedData("z.cash", "dns.testnet.z.cash")); // Komodo

        base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,0);
        base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,5);
        base58Prefixes[SECRET_KEY] =     std::vector<unsigned char>(1,128);
        base58Prefixes[EXT_PUBLIC_KEY] = boost::assign::list_of(0x04)(0x35)(0x87)(0xCF).convert_to_container<std::vector<unsigned char> >();
        base58Prefixes[EXT_SECRET_KEY] = boost::assign::list_of(0x04)(0x35)(0x83)(0x94).convert_to_container<std::vector<unsigned char> >();
        base58Prefixes[ZCPAYMENT_ADDRRESS] = {20,81};
        base58Prefixes[ZCSPENDING_KEY] = {177,235};

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

        fRequireRPCPassword = true;
        fMiningRequiresPeers = false;//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";
        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] = 0x8e;
        pchMessageStart[2] = 0xf3;
        pchMessageStart[3] = 0xf5;
        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 = KOMODO_MINDIFF_NBITS;
        genesis.nNonce = uint256S("0x0000000000000000000000000000000000000000000000000000000000000021");
        genesis.nSolution = ParseHex("0f2a976db4c4263da10fd5d38eb1790469cf19bdb4bf93450e09a72fdff17a3454326399");
        consensus.hashGenesisBlock = genesis.GetHash();
        nDefaultPort = 17779;
        assert(consensus.hashGenesisBlock == uint256S("0x00a215b4fe36f5d2f829d43e587bf10e89e64f9f48a5b6ce18559089e8fd643d"));
        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];
}