https://travis-ci.org/github/MarcoFalke/btc_nightly/jobs/680655419#L412
#include <util/string.h>
#include <util/system.h>
#include <validationinterface.h>
#include <wallet/coinselection.h>
#include <wallet/crypter.h>
#include <wallet/scriptpubkeyman.h>
#include <wallet/walletdb.h>
#include <wallet/walletutil.h>
#include <algorithm>
#include <atomic>
#include <map>
#include <memory>
#include <set>
#include <stdexcept>
#include <stdint.h>
#include <string>
#include <utility>
#include <vector>
#include <boost/signals2/signal.hpp>
using LoadWalletFn = std::function<void(std::unique_ptr<interfaces::Wallet> wallet)>;
struct bilingual_str;
void UnloadWallet(std::shared_ptr<CWallet>&& wallet);
bool AddWallet(const std::shared_ptr<CWallet>& wallet);
bool RemoveWallet(const std::shared_ptr<CWallet>& wallet);
bool HasWallets();
std::vector<std::shared_ptr<CWallet>> GetWallets();
std::shared_ptr<CWallet> GetWallet(const std::string& name);
std::shared_ptr<CWallet> LoadWallet(interfaces::Chain& chain, const WalletLocation& location, bilingual_str& error, std::vector<bilingual_str>& warnings);
std::unique_ptr<interfaces::Handler> HandleLoadWallet(LoadWalletFn load_wallet);
enum class WalletCreationStatus {