70 lines
2.2 KiB
Rust
70 lines
2.2 KiB
Rust
// Copyright 2015-2017 Parity Technologies (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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use std::collections::HashSet;
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use ethkey::Address;
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use dir::{GethDirectory, KeyDirectory, DirectoryType};
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use Error;
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pub fn import_accounts(src: &KeyDirectory, dst: &KeyDirectory) -> Result<Vec<Address>, Error> {
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let accounts = src.load()?;
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let existing_accounts = dst.load()?.into_iter().map(|a| a.address).collect::<HashSet<_>>();
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accounts.into_iter()
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.filter(|a| !existing_accounts.contains(&a.address))
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.map(|a| {
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let address = a.address.clone();
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dst.insert(a)?;
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Ok(address)
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}).collect()
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}
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/// Provide a `HashSet` of all accounts available for import from the Geth keystore.
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pub fn read_geth_accounts(testnet: bool) -> Vec<Address> {
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let t = if testnet {
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DirectoryType::Testnet
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} else {
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DirectoryType::Main
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};
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GethDirectory::open(t)
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.load()
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.map(|d| d.into_iter().map(|a| a.address).collect())
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.unwrap_or_else(|_| Vec::new())
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}
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/// Import specific `desired` accounts from the Geth keystore into `dst`.
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pub fn import_geth_accounts(dst: &KeyDirectory, desired: HashSet<Address>, testnet: bool) -> Result<Vec<Address>, Error> {
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let t = if testnet {
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DirectoryType::Testnet
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} else {
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DirectoryType::Main
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};
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let src = GethDirectory::open(t);
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let accounts = src.load()?;
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let existing_accounts = dst.load()?.into_iter().map(|a| a.address).collect::<HashSet<_>>();
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accounts.into_iter()
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.filter(|a| !existing_accounts.contains(&a.address))
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.filter(|a| desired.contains(&a.address))
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.map(|a| {
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let address = a.address.clone();
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dst.insert(a)?;
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Ok(address)
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}).collect()
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}
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