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