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};
23
24/// Type of unlock.
25#[derive(Clone, PartialEq)]
26pub enum Unlock {
27 /// If account is unlocked temporarily, it should be locked after first
28 /// usage.
29 OneTime,
30 /// Account unlocked permanently can always sign message.
31 /// Use with caution.
32 Perm,
33 /// Account unlocked with a timeout
34 Timed(Instant),
35}
36
37/// Data associated with account.
38#[derive(Clone)]
39pub struct AccountData {
40 pub unlock: Unlock,
41 pub password: Password,
42}
43
44/// Collected account metadata
45#[derive(Default, Clone, Debug, PartialEq, Serialize, Deserialize)]
46pub struct AccountMeta {
47 /// The name of the account.
48 pub name: String,
49 /// The rest of the metadata of the account.
50 pub meta: String,
51 /// The 128-bit Uuid of the account, if it has one (brain-wallets don't).
52 pub uuid: Option<String>,
53}
54
55impl AccountMeta {
56 /// Read a hash map of Address -> AccountMeta
57 pub fn read<R>(
58 reader: R,
59 ) -> Result<HashMap<Address, Self>, serde_json::Error>
60 where R: ::std::io::Read {
61 serde_json::from_reader(reader)
62 }
63
64 /// Write a hash map of Address -> AccountMeta
65 pub fn write<W>(
66 m: &HashMap<Address, Self>, writer: &mut W,
67 ) -> Result<(), serde_json::Error>
68 where W: ::std::io::Write {
69 serde_json::to_writer(writer, m)
70 }
71}