cfxcore_accounts/account_data.rs
1// Copyright 2015-2019 Parity Technologies (UK) Ltd.
2// This file is part of Parity Ethereum.
3
4// Parity Ethereum is free software: you can redistribute it and/or modify
5// it under the terms of the GNU General Public License as published by
6// the Free Software Foundation, either version 3 of the License, or
7// (at your option) any later version.
8
9// Parity Ethereum is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12// GNU General Public License for more details.
13
14// You should have received a copy of the GNU General Public License
15// along with Parity Ethereum. If not, see <http://www.gnu.org/licenses/>.
16
17//! Account Metadata
18
19use std::{collections::HashMap, time::Instant};
20
21use cfxkey::{Address, Password};
22use serde_derive::{Deserialize, Serialize};
23use serde_json;
24
25/// Type of unlock.
26#[derive(Clone, PartialEq)]
27pub enum Unlock {
28 /// If account is unlocked temporarily, it should be locked after first
29 /// usage.
30 OneTime,
31 /// Account unlocked permanently can always sign message.
32 /// Use with caution.
33 Perm,
34 /// Account unlocked with a timeout
35 Timed(Instant),
36}
37
38/// Data associated with account.
39#[derive(Clone)]
40pub struct AccountData {
41 pub unlock: Unlock,
42 pub password: Password,
43}
44
45/// Collected account metadata
46#[derive(Default, Clone, Debug, PartialEq, Serialize, Deserialize)]
47pub struct AccountMeta {
48 /// The name of the account.
49 pub name: String,
50 /// The rest of the metadata of the account.
51 pub meta: String,
52 /// The 128-bit Uuid of the account, if it has one (brain-wallets don't).
53 pub uuid: Option<String>,
54}
55
56impl AccountMeta {
57 /// Read a hash map of Address -> AccountMeta
58 pub fn read<R>(
59 reader: R,
60 ) -> Result<HashMap<Address, Self>, serde_json::Error>
61 where R: ::std::io::Read {
62 serde_json::from_reader(reader)
63 }
64
65 /// Write a hash map of Address -> AccountMeta
66 pub fn write<W>(
67 m: &HashMap<Address, Self>, writer: &mut W,
68 ) -> Result<(), serde_json::Error>
69 where W: ::std::io::Write {
70 serde_json::to_writer(writer, m)
71 }
72}