52 lines
1.7 KiB
Rust
52 lines
1.7 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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//! Dapps settings de/serialization.
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use std::io;
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use std::collections::HashMap;
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use serde_json;
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use hash;
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type DappId = String;
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/// Settings for specific dapp.
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#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
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pub struct DappsSettings {
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/// A list of accounts this Dapp can see.
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pub accounts: Vec<hash::Address>,
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}
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impl DappsSettings {
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/// Read a hash map of DappId -> DappsSettings
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pub fn read_dapps_settings<R, S>(reader: R) -> Result<HashMap<DappId, S>, serde_json::Error> where
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R: io::Read,
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S: From<DappsSettings> + Clone,
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{
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serde_json::from_reader(reader).map(|ok: HashMap<DappId, DappsSettings>|
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ok.into_iter().map(|(a, m)| (a.into(), m.into())).collect()
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)
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}
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/// Write a hash map of DappId -> DappsSettings
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pub fn write_dapps_settings<W, S>(m: &HashMap<DappId, S>, writer: &mut W) -> Result<(), serde_json::Error> where
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W: io::Write,
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S: Into<DappsSettings> + Clone,
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{
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serde_json::to_writer(writer, &m.iter().map(|(a, m)| (a.clone().into(), m.clone().into())).collect::<HashMap<DappId, DappsSettings>>())
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}
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}
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