39 lines
1.2 KiB
JavaScript
39 lines
1.2 KiB
JavaScript
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// 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 PromiseWrapper {
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constructor (provider) {
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this.provider = provider;
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}
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send = (method, ...params) => {
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if (!this.provider.send) {
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// old-style transport interface for backwards compatibility
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return this.provider.execute(method, params);
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}
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return new Promise((resolve, reject) => {
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this.provider.send(method, params, (error, result) => {
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if (error) {
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reject(error);
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} else {
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resolve(result);
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}
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});
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});
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}
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}
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