112 lines
2.7 KiB
JavaScript
112 lines
2.7 KiB
JavaScript
// Copyright 2015, 2016 Ethcore (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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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/${pair}`);
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}
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function getStatus (depositAddress) {
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return rpc.get(`txStat/${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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withdrawal: toAddress,
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pair: pair,
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returnAddress: returnAddress
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});
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}
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function subscribe (depositAddress, callback) {
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const idx = subscriptions.length;
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subscriptions.push({
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depositAddress,
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callback,
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idx
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});
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// Only poll if there are subscriptions...
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if (!pollStatusIntervalId) {
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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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const newSubscriptions = []
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.concat(subscriptions)
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.filter((sub) => sub.depositAddress !== depositAddress);
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subscriptions = newSubscriptions;
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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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}
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function _getSubscriptionStatus (subscription) {
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if (!subscription) {
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return;
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}
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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;
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case 'complete':
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subscription.callback(null, result);
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subscriptions[subscription.idx] = null;
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return;
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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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subscriptions[subscription.idx] = null;
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return;
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}
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})
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.catch(subscription.callback);
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}
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function _pollStatus () {
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subscriptions.forEach(_getSubscriptionStatus);
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}
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return {
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getCoins,
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getMarketInfo,
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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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