136 lines
3.2 KiB
JavaScript
136 lines
3.2 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 function (rpc) {
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let _subscriptions = [];
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let _pollStatusIntervalId = null;
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let _subscriptionPromises = null;
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function getCoins () {
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return rpc.get('getcoins');
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}
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function getMarketInfo (pair) {
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return rpc.get(`marketinfo/${pair}`);
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}
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function getRpc () {
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return rpc;
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}
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function getStatus (depositAddress) {
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return rpc.get(`txStat/${depositAddress}`);
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}
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function shift (toAddress, returnAddress, pair) {
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return rpc.post('shift', {
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pair,
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returnAddress,
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withdrawal: toAddress
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});
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}
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function subscribe (depositAddress, callback) {
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if (!depositAddress || !callback) {
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return;
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}
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const index = _subscriptions.length;
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_subscriptions.push({
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callback,
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depositAddress,
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index
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});
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if (_pollStatusIntervalId === null) {
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_pollStatusIntervalId = setInterval(_pollStatus, 2000);
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}
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}
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function unsubscribe (depositAddress) {
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_subscriptions = _subscriptions.filter((sub) => sub.depositAddress !== depositAddress);
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if (_subscriptions.length === 0) {
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clearInterval(_pollStatusIntervalId);
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_pollStatusIntervalId = null;
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}
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return true;
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}
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function _getSubscriptionStatus (subscription) {
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if (!subscription) {
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return Promise.resolve();
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}
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return getStatus(subscription.depositAddress)
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.then((result) => {
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switch (result.status) {
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case 'no_deposits':
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case 'received':
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subscription.callback(null, result);
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return true;
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case 'complete':
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subscription.callback(null, result);
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unsubscribe(subscription.depositAddress);
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return true;
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case 'failed':
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subscription.callback({
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message: status.error,
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fatal: true
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});
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unsubscribe(subscription.depositAddress);
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return true;
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}
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})
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.catch(() => {
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return true;
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});
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}
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function _pollStatus () {
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_subscriptionPromises = Promise.all(_subscriptions.map(_getSubscriptionStatus));
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}
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function _getSubscriptions () {
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return _subscriptions;
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}
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function _getSubscriptionPromises () {
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return _subscriptionPromises;
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}
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function _isPolling () {
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return _pollStatusIntervalId !== null;
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}
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return {
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_getSubscriptions,
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_getSubscriptionPromises,
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_isPolling,
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getCoins,
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getMarketInfo,
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getRpc,
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getStatus,
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shift,
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subscribe,
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unsubscribe
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};
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}
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