openethereum/json/src/misc/account_meta.rs
Gav Wood ca54b8e493 RPC for importing geth keys (#1916)
* Address book for local addresses.

* Simple disk-backed address book.

* Add test and keep file with keys.

* View and import Geth keys.

* Fix test.

* Fix up author info.

[ci:skip]
2016-08-11 18:31:28 +02:00

59 lines
1.9 KiB
Rust

// Copyright 2015, 2016 Ethcore (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/>.
//! Misc deserialization.
use std::io::{Read, Write};
use std::collections::HashMap;
use serde_json;
use util;
use hash;
/// Collected account metadata
#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
pub struct AccountMeta {
/// The name of the account.
pub name: String,
/// The rest of the metadata of the account.
pub meta: String,
/// The 128-bit UUID of the account, if it has one (brain-wallets don't).
pub uuid: Option<String>,
}
impl Default for AccountMeta {
fn default() -> Self {
AccountMeta {
name: String::new(),
meta: "{}".to_owned(),
uuid: None,
}
}
}
impl AccountMeta {
/// Read a hash map of Address -> AccountMeta.
pub fn read_address_map<R>(reader: R) -> Result<HashMap<util::Address, AccountMeta>, serde_json::Error> where R: Read {
serde_json::from_reader(reader).map(|ok: HashMap<hash::Address, AccountMeta>|
ok.into_iter().map(|(a, m)| (a.into(), m)).collect()
)
}
/// Write a hash map of Address -> AccountMeta.
pub fn write_address_map<W>(m: &HashMap<util::Address, AccountMeta>, writer: &mut W) -> Result<(), serde_json::Error> where W: Write {
serde_json::to_writer(writer, &m.iter().map(|(a, m)| (a.clone().into(), m)).collect::<HashMap<hash::Address, _>>())
}
}