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    // Copyright 2015-2017 Parity Technologies (UK) Ltd.
    // This file is part of Parity.

    // Parity is free software: you can redistribute it and/or modify
    // it under the terms of the GNU General Public License as published by
    // the Free Software Foundation, either version 3 of the License, or
    // (at your option) any later version.

    // Parity is distributed in the hope that it will be useful,
    // but WITHOUT ANY WARRANTY; without even the implied warranty of
    // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    // GNU General Public License for more details.

    // You should have received a copy of the GNU General Public License
    // along with Parity.  If not, see <http://www.gnu.org/licenses/>.

    use ethcore::ethstore::{PresaleWallet, EthStore};
    use ethcore::ethstore::dir::RootDiskDirectory;
    use ethcore::account_provider::AccountProvider;
    use helpers::{password_prompt, password_from_file};
    use params::SpecType;

    #[derive(Debug, PartialEq)]
    pub struct ImportWallet {
    	pub iterations: u32,
    	pub path: String,
    	pub spec: SpecType,
    	pub wallet_path: String,
    	pub password_file: Option<String>,
    }

    pub fn execute(cmd: ImportWallet) -> Result<String, String> {
    	let password: String = match cmd.password_file {
    		Some(file) => password_from_file(file)?,
    		None => password_prompt()?,
    	};

    	let dir = Box::new(RootDiskDirectory::create(cmd.path).unwrap());
    	let secret_store = Box::new(EthStore::open_with_iterations(dir, cmd.iterations).unwrap());
    	let acc_provider = AccountProvider::new(secret_store);
    	let wallet = PresaleWallet::open(cmd.wallet_path).map_err(|_| "Unable to open presale wallet.")?;
    	let kp = wallet.decrypt(&password).map_err(|_| "Invalid password.")?;
    	let address = acc_provider.insert_account(kp.secret().clone(), &password).unwrap();
    	Ok(format!("{:?}", address))
    }

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