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	// Simple benchmark for wallet coin selection. Note that it maybe be necessary			// Simple benchmark for wallet coin selection. Note that it maybe be necessary
	// to build up more complicated scenarios in order to get meaningful			// to build up more complicated scenarios in order to get meaningful
	// measurements of performance. From laanwj, "Wallet coin selection is probably			// measurements of performance. From laanwj, "Wallet coin selection is probably
	// the hardest, as you need a wider selection of scenarios, just testing the			// the hardest, as you need a wider selection of scenarios, just testing the
	// same one over and over isn't too useful. Generating random isn't useful			// same one over and over isn't too useful. Generating random isn't useful
	// either for measurements."			// either for measurements."
	// (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);
	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.			// Empty wallet.
	for (COutput output : vCoins) {			for (COutput output : vCoins) {
	delete output.tx;			delete output.tx;
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