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block_assemble.cpp
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block_assemble.cpp
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// Copyright (c) 2011-2017 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 <bench/bench.h>
#include <config.h>
#include <consensus/validation.h>
#include <script/standard.h>
#include <test/util/mining.h>
#include <test/util/setup_common.h>
#include <test/util/wallet.h>
#include <txmempool.h>
#include <validation.h>
#include <vector>
static void AssembleBlock(benchmark::Bench &bench) {
const Config &config = GetConfig();
TestingSetup test_setup{
CBaseChainParams::REGTEST,
/* extra_args */
{
"-nodebuglogfile",
"-nodebug",
},
};
const CScript redeemScript = CScript() << OP_DROP << OP_TRUE;
const CScript SCRIPT_PUB =
CScript() << OP_HASH160 << ToByteVector(CScriptID(redeemScript))
<< OP_EQUAL;
const CScript scriptSig = CScript() << std::vector<uint8_t>(100, 0xff)
<< ToByteVector(redeemScript);
// Collect some loose transactions that spend the coinbases of our mined
// blocks
constexpr size_t NUM_BLOCKS{200};
std::array<CTransactionRef, NUM_BLOCKS - COINBASE_MATURITY + 1> txs;
for (size_t b = 0; b < NUM_BLOCKS; ++b) {
CMutableTransaction tx;
tx.vin.push_back(MineBlock(config, test_setup.m_node, SCRIPT_PUB));
tx.vin.back().scriptSig = scriptSig;
tx.vout.emplace_back(1337 * SATOSHI, SCRIPT_PUB);
if (NUM_BLOCKS - b >= COINBASE_MATURITY) {
txs.at(b) = MakeTransactionRef(tx);
}
}
{
// Required for ::AcceptToMemoryPool.
LOCK(::cs_main);
for (const auto &txr : txs) {
TxValidationState vstate;
bool ret{::AcceptToMemoryPool(::ChainstateActive(), config,
*test_setup.m_node.mempool, vstate,
txr, false /* bypass_limits */)};
assert(ret);
}
}
bench.run([&] { PrepareBlock(config, test_setup.m_node, SCRIPT_PUB); });
}
BENCHMARK(AssembleBlock);

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