dash/src/test/test_dash.cpp

// Copyright (c) 2011-2015 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 <test/test_dash.h>

#include <banman.h>
#include <chainparams.h>
#include <consensus/consensus.h>
#include <consensus/params.h>
#include <consensus/validation.h>
#include <crypto/sha256.h>
#include <index/txindex.h>
#include <miner.h>
#include <net_processing.h>
#include <noui.h>
#include <pow.h>
#include <rpc/register.h>
#include <rpc/server.h>
#include <script/sigcache.h>
#include <streams.h>
#include <ui_interface.h>
#include <validation.h>

#include <util/validation.h>

#include <coinjoin/coinjoin.h>
#include <evo/specialtx.h>
#include <evo/deterministicmns.h>
#include <evo/cbtx.h>
#include <llmq/quorums_init.h>

const std::function<std::string(const char*)> G_TRANSLATION_FUN = nullptr;

FastRandomContext g_insecure_rand_ctx;

std::ostream& operator<<(std::ostream& os, const uint256& num)
{
    os << num.ToString();
    return os;
}

BasicTestingSetup::BasicTestingSetup(const std::string& chainName)
    : m_path_root(fs::temp_directory_path() / "test_dash" / strprintf("%lu_%i", (unsigned long)GetTime(), (int)(InsecureRandRange(1 << 30))))
{
    SHA256AutoDetect();
    ECC_Start();
    BLSInit();
    SetupEnvironment();
    SetupNetworking();
    InitSignatureCache();
    InitScriptExecutionCache();
    CCoinJoin::InitStandardDenominations();
    fCheckBlockIndex = true;
    // Make sure CreateAndProcessBlock() support building <deployment_name> blocks before activating it in these tests.
    //gArgs.ForceSetArg("-vbparams", strprintf("deployment_name:0:%d", (int64_t)Consensus::BIP9Deployment::NO_TIMEOUT));
    SelectParams(chainName);
    evoDb.reset(new CEvoDB(1 << 20, true, true));
    deterministicMNManager.reset(new CDeterministicMNManager(*evoDb));
    noui_connect();
}

BasicTestingSetup::~BasicTestingSetup()
{
    deterministicMNManager.reset();
    evoDb.reset();

    fs::remove_all(m_path_root);
    ECC_Stop();
}

fs::path BasicTestingSetup::SetDataDir(const std::string& name)
{
    fs::path ret = m_path_root / name;
    fs::create_directories(ret);
    gArgs.ForceSetArg("-datadir", ret.string());
    return ret;
}

TestingSetup::TestingSetup(const std::string& chainName) : BasicTestingSetup(chainName)
{
    SetDataDir("tempdir");
    const CChainParams& chainparams = Params();
    // Ideally we'd move all the RPC tests to the functional testing framework
    // instead of unit tests, but for now we need these here.
    RegisterAllCoreRPCCommands(tableRPC);
    ClearDatadirCache();

    // We have to run a scheduler thread to prevent ActivateBestChain
    // from blocking due to queue overrun.
    threadGroup.create_thread(std::bind(&CScheduler::serviceQueue, &scheduler));
    GetMainSignals().RegisterBackgroundSignalScheduler(scheduler);
    mempool.setSanityCheck(1.0);
    g_banman = MakeUnique<BanMan>(GetDataDir() / "banlist.dat", nullptr, DEFAULT_MISBEHAVING_BANTIME);
    g_connman = MakeUnique<CConnman>(0x1337, 0x1337); // Deterministic randomness for tests.
    pblocktree.reset(new CBlockTreeDB(1 << 20, true));
    pcoinsdbview.reset(new CCoinsViewDB(1 << 23, true));
    g_txindex = MakeUnique<TxIndex>(1 << 20, true);
    g_txindex->Start();
    llmq::InitLLMQSystem(*evoDb, true);
    pcoinsTip.reset(new CCoinsViewCache(pcoinsdbview.get()));
    if (!LoadGenesisBlock(chainparams)) {
        throw std::runtime_error("LoadGenesisBlock failed.");
    }
    {
        CValidationState state;
        if (!ActivateBestChain(state, chainparams)) {
            throw std::runtime_error(strprintf("ActivateBestChain failed. (%s)", FormatStateMessage(state)));
        }
    }
    // Start script-checking threads. Set g_parallel_script_checks to true so they are used.
    constexpr int script_check_threads = 2;
    StartScriptCheckWorkerThreads(script_check_threads);
    g_parallel_script_checks = true;
}

TestingSetup::~TestingSetup()
{
    llmq::InterruptLLMQSystem();
    llmq::StopLLMQSystem();
    g_txindex->Interrupt();
    g_txindex->Stop();
    g_txindex.reset();
    threadGroup.interrupt_all();
    threadGroup.join_all();
    StopScriptCheckWorkerThreads();
    GetMainSignals().FlushBackgroundCallbacks();
    GetMainSignals().UnregisterBackgroundSignalScheduler();
    g_connman.reset();
    g_banman.reset();
    UnloadBlockIndex();
    pcoinsTip.reset();
    llmq::DestroyLLMQSystem();
    pcoinsdbview.reset();
    pblocktree.reset();
}

TestChainSetup::TestChainSetup(int blockCount) : TestingSetup(CBaseChainParams::REGTEST)
{
    // Generate a 100-block chain:
    coinbaseKey.MakeNewKey(true);
    CScript scriptPubKey = CScript() << ToByteVector(coinbaseKey.GetPubKey()) << OP_CHECKSIG;
    for (int i = 0; i < blockCount; i++)
    {
        std::vector<CMutableTransaction> noTxns;
        CBlock b = CreateAndProcessBlock(noTxns, scriptPubKey);
        m_coinbase_txns.push_back(b.vtx[0]);
    }
    // Allow tx index to catch up with the block index.
    constexpr int64_t timeout_ms = 10 * 1000;
    int64_t time_start = GetTimeMillis();
    while (!g_txindex->BlockUntilSyncedToCurrentChain()) {
        assert(time_start + timeout_ms > GetTimeMillis());
        UninterruptibleSleep(std::chrono::milliseconds{100});
    }
}

//
// Create a new block with just given transactions, coinbase paying to
// scriptPubKey, and try to add it to the current chain.
//
CBlock
TestChainSetup::CreateAndProcessBlock(const std::vector<CMutableTransaction>& txns, const CScript& scriptPubKey)
{
    const CChainParams& chainparams = Params();
    auto block = CreateBlock(txns, scriptPubKey);

    std::shared_ptr<const CBlock> shared_pblock = std::make_shared<const CBlock>(block);
    ProcessNewBlock(chainparams, shared_pblock, true, nullptr);

    CBlock result = block;
    return result;
}

CBlock TestChainSetup::CreateAndProcessBlock(const std::vector<CMutableTransaction>& txns, const CKey& scriptKey)
{
    CScript scriptPubKey = CScript() <<  ToByteVector(coinbaseKey.GetPubKey()) << OP_CHECKSIG;
    return CreateAndProcessBlock(txns, scriptPubKey);
}

CBlock TestChainSetup::CreateBlock(const std::vector<CMutableTransaction>& txns, const CScript& scriptPubKey)
{
    const CChainParams& chainparams = Params();
    std::unique_ptr<CBlockTemplate> pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey);
    CBlock& block = pblocktemplate->block;

    std::vector<CTransactionRef> llmqCommitments;
    for (const auto& tx : block.vtx) {
        if (tx->nVersion == 3 && tx->nType == TRANSACTION_QUORUM_COMMITMENT) {
            llmqCommitments.emplace_back(tx);
        }
    }

    // Replace mempool-selected txns with just coinbase plus passed-in txns:
    block.vtx.resize(1);
    // Re-add quorum commitments
    block.vtx.insert(block.vtx.end(), llmqCommitments.begin(), llmqCommitments.end());
    for (const CMutableTransaction& tx : txns)
        block.vtx.push_back(MakeTransactionRef(tx));

    // Manually update CbTx as we modified the block here
    if (block.vtx[0]->nType == TRANSACTION_COINBASE) {
        LOCK(cs_main);
        CCbTx cbTx;
        if (!GetTxPayload(*block.vtx[0], cbTx)) {
            BOOST_ASSERT(false);
        }
        CValidationState state;
        if (!CalcCbTxMerkleRootMNList(block, chainActive.Tip(), cbTx.merkleRootMNList, state, *pcoinsTip.get())) {
            BOOST_ASSERT(false);
        }
        if (!CalcCbTxMerkleRootQuorums(block, chainActive.Tip(), cbTx.merkleRootQuorums, state)) {
            BOOST_ASSERT(false);
        }
        CMutableTransaction tmpTx{*block.vtx[0]};
        SetTxPayload(tmpTx, cbTx);
        block.vtx[0] = MakeTransactionRef(tmpTx);
    }

    // IncrementExtraNonce creates a valid coinbase and merkleRoot
    {
        LOCK(cs_main);
        unsigned int extraNonce = 0;
        IncrementExtraNonce(&block, chainActive.Tip(), extraNonce);
    }

    while (!CheckProofOfWork(block.GetHash(), block.nBits, chainparams.GetConsensus())) ++block.nNonce;

    CBlock result = block;
    return result;
}

CBlock TestChainSetup::CreateBlock(const std::vector<CMutableTransaction>& txns, const CKey& scriptKey)
{
    CScript scriptPubKey = CScript() <<  ToByteVector(coinbaseKey.GetPubKey()) << OP_CHECKSIG;
    return CreateBlock(txns, scriptPubKey);
}

TestChainSetup::~TestChainSetup()
{
}


CTxMemPoolEntry TestMemPoolEntryHelper::FromTx(const CMutableTransaction &tx) {
    return FromTx(MakeTransactionRef(tx));
}

CTxMemPoolEntry TestMemPoolEntryHelper::FromTx(const CTransactionRef& tx)
{
    return CTxMemPoolEntry(tx, nFee, nTime, nHeight,
                           spendsCoinbase, sigOpCount, lp);
}

/**
 * @returns a real block (0000000000013b8ab2cd513b0261a14096412195a72a0c4827d229dcc7e0f7af)
 *      with 9 txs.
 */
CBlock getBlock13b8a()
{
    CBlock block;
    CDataStream stream(ParseHex("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
    stream >> block;
    return block;
}