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	// (https://github.com/bitcoin/bitcoin/issues/7883#issuecomment-224807484)			// (https://github.com/bitcoin/bitcoin/issues/7883#issuecomment-224807484)
	static void CoinSelection(benchmark::State &state) {			static void CoinSelection(benchmark::State &state) {
	SelectParams(CBaseChainParams::REGTEST);			SelectParams(CBaseChainParams::REGTEST);
	const CWallet wallet(Params());			const CWallet wallet(Params());
	std::vector<COutput> vCoins;			std::vector<COutput> vCoins;
	LOCK(wallet.cs_wallet);			LOCK(wallet.cs_wallet);

	while (state.KeepRunning()) {			while (state.KeepRunning()) {
	// Empty wallet.
	for (COutput output : vCoins) {
	delete output.tx;
	}

	vCoins.clear();

	// Add coins.			// Add coins.
	for (int i = 0; i < 1000; i++)			for (int i = 0; i < 1000; i++)
	addCoin(1000 * COIN, wallet, vCoins);			addCoin(1000 * COIN, wallet, vCoins);
	addCoin(3 * COIN, wallet, vCoins);			addCoin(3 * COIN, wallet, vCoins);

	std::set<CInputCoin> setCoinsRet;			std::set<CInputCoin> setCoinsRet;
	Amount nValueRet;			Amount nValueRet;
	bool success = wallet.SelectCoinsMinConf(1003 * COIN, 1, 6, 0, vCoins,			bool success = wallet.SelectCoinsMinConf(1003 * COIN, 1, 6, 0, vCoins,
	setCoinsRet, nValueRet);			setCoinsRet, nValueRet);
	assert(success);			assert(success);
	assert(nValueRet == 1003 * COIN);			assert(nValueRet == 1003 * COIN);
	assert(setCoinsRet.size() == 2);			assert(setCoinsRet.size() == 2);

				// Empty wallet.
				for (COutput output : vCoins) {
				delete output.tx;
				}
				vCoins.clear();
	}			}
	}			}

	BENCHMARK(CoinSelection, 650);			BENCHMARK(CoinSelection, 650);