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// Copyright (c) 2011-2016 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_bitcoin.h"
#include "chainparams.h"
#include "consensus/consensus.h"
#include "consensus/validation.h"
#include "crypto/sha256.h"
#include "fs.h"
#include "key.h"
#include "validation.h"
#include "miner.h"
#include "net_processing.h"
#include "pubkey.h"
#include "random.h"
#include "txdb.h"
#include "txmempool.h"
#include "ui_interface.h"
#include "rpc/server.h"
#include "rpc/register.h"
#include "script/sigcache.h"
#include "test/testutil.h"
#include <memory>
uint256 insecure_rand_seed = GetRandHash();
FastRandomContext insecure_rand_ctx(insecure_rand_seed);
extern bool fPrintToConsole;
extern void noui_connect();
BasicTestingSetup::BasicTestingSetup(const std::string& chainName)
{
SHA256AutoDetect();
RandomInit();
ECC_Start();
SetupEnvironment();
SetupNetworking();
InitSignatureCache();
InitScriptExecutionCache();
fPrintToDebugLog = false; // don't want to write to debug.log file
fCheckBlockIndex = true;
SelectParams(chainName);
noui_connect();
}
BasicTestingSetup::~BasicTestingSetup()
{
ECC_Stop();
g_connman.reset();
}
TestingSetup::TestingSetup(const std::string& chainName) : BasicTestingSetup(chainName)
{
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();
pathTemp = GetTempPath() / strprintf("test_bitcoin_%lu_%i", (unsigned long)GetTime(), (int)(InsecureRandRange(100000)));
fs::create_directories(pathTemp);
ForceSetArg("-datadir", pathTemp.string());
// Note that because we don't bother running a scheduler thread here,
// callbacks via CValidationInterface are unreliable, but that's OK,
// our unit tests aren't testing multiple parts of the code at once.
GetMainSignals().RegisterBackgroundSignalScheduler(scheduler);
mempool.setSanityCheck(1.0);
pblocktree = new CBlockTreeDB(1 << 20, true);
pcoinsdbview = new CCoinsViewDB(1 << 23, true);
pcoinsTip = new CCoinsViewCache(pcoinsdbview);
if (!InitBlockIndex(chainparams)) {
throw std::runtime_error("InitBlockIndex failed.");
}
{
CValidationState state;
if (!ActivateBestChain(state, chainparams)) {
throw std::runtime_error("ActivateBestChain failed.");
}
}
nScriptCheckThreads = 3;
for (int i=0; i < nScriptCheckThreads-1; i++)
threadGroup.create_thread(&ThreadScriptCheck);
g_connman = std::unique_ptr<CConnman>(new CConnman(0x1337, 0x1337)); // Deterministic randomness for tests.
connman = g_connman.get();
RegisterNodeSignals(GetNodeSignals());
}
TestingSetup::~TestingSetup()
{
UnregisterNodeSignals(GetNodeSignals());
threadGroup.interrupt_all();
threadGroup.join_all();
GetMainSignals().FlushBackgroundCallbacks();
GetMainSignals().UnregisterBackgroundSignalScheduler();
UnloadBlockIndex();
delete pcoinsTip;
delete pcoinsdbview;
delete pblocktree;
fs::remove_all(pathTemp);
}
TestChain100Setup::TestChain100Setup() : TestingSetup(CBaseChainParams::REGTEST)
{
// Generate a 100-block chain:
coinbaseKey.MakeNewKey(true);
CScript scriptPubKey = CScript() << ToByteVector(coinbaseKey.GetPubKey()) << OP_CHECKSIG;
for (int i = 0; i < COINBASE_MATURITY; i++)
{
std::vector<CMutableTransaction> noTxns;
CBlock b = CreateAndProcessBlock(noTxns, scriptPubKey);
coinbaseTxns.push_back(*b.vtx[0]);
}
}
//
// Create a new block with just given transactions, coinbase paying to
// scriptPubKey, and try to add it to the current chain.
//
CBlock
TestChain100Setup::CreateAndProcessBlock(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;
// Replace mempool-selected txns with just coinbase plus passed-in txns:
block.vtx.resize(1);
for (const CMutableTransaction& tx : txns)
block.vtx.push_back(MakeTransactionRef(tx));
// IncrementExtraNonce creates a valid coinbase and merkleRoot
unsigned int extraNonce = 0;
IncrementExtraNonce(&block, chainActive.Tip(), extraNonce);
while (!CheckProofOfWork(block.GetHash(), block.nBits, chainparams.GetConsensus())) ++block.nNonce;
std::shared_ptr<const CBlock> shared_pblock = std::make_shared<const CBlock>(block);
ProcessNewBlock(chainparams, shared_pblock, true, NULL);
CBlock result = block;
return result;
}
TestChain100Setup::~TestChain100Setup()
{
}
CTxMemPoolEntry TestMemPoolEntryHelper::FromTx(const CMutableTransaction &tx) {
CTransaction txn(tx);
return FromTx(txn);
}
CTxMemPoolEntry TestMemPoolEntryHelper::FromTx(const CTransaction &txn) {
return CTxMemPoolEntry(MakeTransactionRef(txn), nFee, nTime, nHeight,
spendsCoinbase, sigOpCost, lp);
}
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