108 lines
2.7 KiB
JavaScript
108 lines
2.7 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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import store from 'store';
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export const LS_REQUESTS_KEY = '_parity::requests';
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export default class SavedRequests {
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load (api) {
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return this.loadRequests(api)
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.catch((error) => {
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console.error(error);
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return [];
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});
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}
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/**
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* Load the requests of the current network
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*/
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loadRequests (api) {
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const requests = this._get();
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return api.parity.localTransactions()
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.then((localTransactions) => {
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const promises = Object.values(requests).map((request) => {
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const { requestId, transactionHash } = request;
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if (transactionHash) {
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// The transaction might be from an other
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// chain
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if (!localTransactions[transactionHash]) {
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this.remove(requestId);
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return null;
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}
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return request;
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}
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// The request hasn't been signed yet
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return this._requestExists(api, requestId)
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.then((exists) => {
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if (!exists) {
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this.remove(requestId);
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return null;
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}
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return request;
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});
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});
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return Promise.all(promises);
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})
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.then((requests) => requests.filter((request) => request));
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}
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save (requestId, requestData) {
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const requests = this._get();
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requests[requestId] = {
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...(requests[requestId] || {}),
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...requestData
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};
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this._set(requests);
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}
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remove (requestId) {
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const requests = this._get();
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delete requests[requestId];
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this._set(requests);
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}
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_get () {
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return store.get(LS_REQUESTS_KEY) || {};
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}
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_set (requests = {}) {
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if (Object.keys(requests).length > 0) {
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return store.set(LS_REQUESTS_KEY, requests);
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}
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return store.remove(LS_REQUESTS_KEY);
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}
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_requestExists (api, requestId) {
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return api.parity
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.checkRequest(requestId)
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.then(() => true)
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.catch(() => {
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return false;
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});
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}
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}
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