37 lines
1.5 KiB
Rust
37 lines
1.5 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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//! Parity-specific PUB-SUB rpc interface.
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use jsonrpc_core::{Result, Value, Params};
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use jsonrpc_pubsub::{typed::Subscriber, SubscriptionId};
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use jsonrpc_derive::rpc;
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/// Parity-specific PUB-SUB rpc interface.
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#[rpc]
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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(subscription = "parity_subscription", subscribe, name = "parity_subscribe")]
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fn parity_subscribe(&self, Self::Metadata, Subscriber<Value>, String, Option<Params>);
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/// Unsubscribe from existing Parity subscription.
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#[pubsub(subscription = "parity_subscription", unsubscribe, name = "parity_unsubscribe")]
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fn parity_unsubscribe(&self, Option<Self::Metadata>, SubscriptionId) -> Result<bool>;
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}
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