38 lines
1.4 KiB
JavaScript
38 lines
1.4 KiB
JavaScript
// Copyright 2015-2017 Parity Technologies (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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export default class PubsubBase {
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// Provider for websocket pubsub transport
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constructor (provider) {
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this._provider = provider;
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}
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addListener (module, eventName, handler, eventParams) {
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return eventParams
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? this._provider.subscribe(module, handler, [eventName, eventParams])
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: this._provider.subscribe(module, handler, [eventName, []]);
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// this._transport.subscribe(module, handler, eventName); After Patch from tomac is merged to master! => eth_subscribe does not support empty array as params
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}
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removeListener (subscriptionIds) {
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return this._provider.unsubscribe(subscriptionIds);
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}
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unsubscribe (subscriptionIds) {
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return this.removeListener(subscriptionIds);
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}
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}
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