openethereum/rpc/src/v1/impls/rpc.rs

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// Copyright 2015-2017 Parity Technologies (UK) Ltd.
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// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
//! RPC generic methods implementation.
use std::collections::BTreeMap;
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use jsonrpc_core::Result;
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use v1::traits::Rpc;
/// RPC generic methods implementation.
pub struct RpcClient {
modules: BTreeMap<String, String>,
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valid_apis: Vec<String>,
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}
impl RpcClient {
/// Creates new `RpcClient`.
pub fn new(modules: BTreeMap<String, String>) -> Self {
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// geth 1.3.6 fails upon receiving unknown api
let valid_apis = vec!["web3", "eth", "net", "personal", "rpc"];
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RpcClient {
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modules: modules,
valid_apis: valid_apis.into_iter().map(|x| x.to_owned()).collect(),
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}
}
}
impl Rpc for RpcClient {
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fn rpc_modules(&self) -> Result<BTreeMap<String, String>> {
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let modules = self.modules.iter()
.fold(BTreeMap::new(), |mut map, (k, v)| {
map.insert(k.to_owned(), v.to_owned());
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map
});
Ok(modules)
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}
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fn modules(&self) -> Result<BTreeMap<String, String>> {
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let modules = self.modules.iter()
.filter(|&(k, _v)| {
self.valid_apis.contains(k)
})
.fold(BTreeMap::new(), |mut map, (k, v)| {
map.insert(k.to_owned(), v.to_owned());
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map
});
Ok(modules)
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}
}