Method LoadExisting

src/wallet/wallet.cpp:3157–3198

}

std::shared_ptr<CWallet> CWallet::LoadExisting(WalletContext& context, const std::string& name, std::unique_ptr<WalletDatabase> database, bilingual_str& error, std::vector<bilingual_str>& warnings)
{
    interfaces::Chain* chain = context.chain;
    const std::string& walletFile = database->Filename();

    const auto start{SteadyClock::now()};
    std::shared_ptr<CWallet> walletInstance(new CWallet(chain, name, std::move(database)), FlushAndDeleteWallet);

    if (!LoadWalletArgs(walletInstance, context, error, warnings)) {
        return nullptr;
    }

    // Load wallet
    auto nLoadWalletRet = walletInstance->PopulateWalletFromDB(error, warnings);
    bool rescan_required = nLoadWalletRet == DBErrors::NEED_RESCAN;
    if (nLoadWalletRet != DBErrors::LOAD_OK && nLoadWalletRet != DBErrors::NONCRITICAL_ERROR && !rescan_required) {
        return nullptr;
    }

    if (walletInstance->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
        for (auto spk_man : walletInstance->GetActiveScriptPubKeyMans()) {
            if (spk_man->HavePrivateKeys()) {
                warnings.push_back(strprintf(_("Warning: Private keys detected in wallet {%s} with disabled private keys"), walletFile));
                break;
            }
        }
    }

    walletInstance->WalletLogPrintf("Wallet completed loading in %15dms\n", Ticks<std::chrono::milliseconds>(SteadyClock::now() - start));

    // Try to top up keypool. No-op if the wallet is locked.
    walletInstance->TopUpKeyPool();

    if (chain && !AttachChain(walletInstance, *chain, rescan_required, error, warnings)) {
        walletInstance->DisconnectChainNotifications();
        return nullptr;
    }

    WITH_LOCK(walletInstance->cs_wallet, walletInstance->LogStats());

    return walletInstance;
}


bool CWallet::AttachChain(const std::shared_ptr<CWallet>& walletInstance, interfaces::Chain& chain, const bool rescan_required, bilingual_str& error, std::vector<bilingual_str>& warnings)