51 lines
1.6 KiB
Rust
51 lines
1.6 KiB
Rust
// Copyright 2015-2020 Parity Technologies (UK) Ltd.
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// This file is part of OpenEthereum.
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// OpenEthereum 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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// OpenEthereum 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 OpenEthereum. If not, see <http://www.gnu.org/licenses/>.
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//! Parity-specific PUB-SUB rpc interface.
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use jsonrpc_core::{Params, Result, Value};
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use jsonrpc_derive::rpc;
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use jsonrpc_pubsub::{typed::Subscriber, SubscriptionId};
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/// Parity-specific PUB-SUB rpc interface.
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#[rpc(server)]
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pub trait PubSub {
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/// Pub/Sub Metadata
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type Metadata;
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/// Subscribe to changes of any RPC method in Parity.
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#[pubsub(
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subscription = "parity_subscription",
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subscribe,
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name = "parity_subscribe"
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)]
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fn parity_subscribe(
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&self,
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_: Self::Metadata,
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_: Subscriber<Value>,
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_: String,
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_: Option<Params>,
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);
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/// Unsubscribe from existing Parity subscription.
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#[pubsub(
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subscription = "parity_subscription",
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unsubscribe,
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name = "parity_unsubscribe"
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)]
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fn parity_unsubscribe(&self, _: Option<Self::Metadata>, _: SubscriptionId) -> Result<bool>;
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}
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