53 lines
1.8 KiB
Rust
53 lines
1.8 KiB
Rust
// Copyright 2015-2019 Parity Technologies (UK) Ltd.
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// This file is part of Parity Ethereum.
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// Parity Ethereum 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 Ethereum 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 Ethereum. If not, see <http://www.gnu.org/licenses/>.
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//! Misc deserialization.
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macro_rules! impl_serialization {
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($key: ty => $name: ty) => {
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impl $name {
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/// Read a hash map of DappId -> $name
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pub fn read<R, S, D>(reader: R) -> Result<::std::collections::HashMap<D, S>, ::serde_json::Error> where
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R: ::std::io::Read,
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D: From<$key> + ::std::hash::Hash + Eq,
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S: From<$name> + Clone,
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{
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::serde_json::from_reader(reader).map(|ok: ::std::collections::HashMap<$key, $name>|
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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 -> $name
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pub fn write<W, S, D>(m: &::std::collections::HashMap<D, S>, writer: &mut W) -> Result<(), ::serde_json::Error> where
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W: ::std::io::Write,
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D: Into<$key> + ::std::hash::Hash + Eq + Clone,
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S: Into<$name> + Clone,
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{
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::serde_json::to_writer(
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writer,
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&m.iter()
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.map(|(a, m)| (a.clone().into(), m.clone().into()))
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.collect::<::std::collections::HashMap<$key, $name>>()
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)
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}
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}
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}
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}
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mod account_meta;
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pub use self::account_meta::AccountMeta;
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