MyCrypto/common/sagas/swap/orders.ts

364 lines
12 KiB
TypeScript

import { showNotification } from 'actions/notifications';
import {
bityOrderCreateFailedSwap,
BityOrderCreateRequestedSwapAction,
bityOrderCreateSucceededSwap,
changeStepSwap,
orderTimeSwap,
startOrderTimerSwap,
startPollBityOrderStatus,
stopLoadBityRatesSwap,
stopPollBityOrderStatus,
shapeshiftOrderStatusSucceededSwap,
ShapeshiftOrderCreateRequestedSwapAction,
stopLoadShapeshiftRatesSwap,
shapeshiftOrderCreateFailedSwap,
shapeshiftOrderCreateSucceededSwap,
startPollShapeshiftOrderStatus,
stopPollShapeshiftOrderStatus,
bityOrderStatusRequested,
stopOrderTimerSwap,
bityOrderStatusSucceededSwap,
shapeshiftOrderStatusRequested,
loadShapeshiftRatesRequestedSwap
} from 'actions/swap';
import { getOrderStatus, postOrder } from 'api/bity';
import moment from 'moment';
import { AppState } from 'reducers';
import { State as SwapState } from 'reducers/swap';
import { delay, SagaIterator } from 'redux-saga';
import {
call,
cancel,
apply,
cancelled,
fork,
put,
select,
take,
takeEvery
} from 'redux-saga/effects';
import shapeshift from 'api/shapeshift';
import { TypeKeys } from 'actions/swap/constants';
import { resetWallet } from 'actions/wallet';
import { reset } from 'actions/transaction';
export const getSwap = (state: AppState): SwapState => state.swap;
const ONE_SECOND = 1000;
const TEN_SECONDS = ONE_SECOND * 10;
export const ORDER_TIMEOUT_MESSAGE = `
Time has run out.
If you have already sent, please wait 1 hour.
If your order has not be processed after 1 hour,
please press the orange 'Issue with your Swap?' button.
`;
export const ORDER_RECEIVED_MESSAGE = `
The order was recieved.
It may take some time to process the transaction.
Please wait 1 hour. If your order has not been processed by then,
please press the orange 'Issue with your Swap?' button.
`;
export function* pollBityOrderStatus(): SagaIterator {
try {
let swap = yield select(getSwap);
while (true) {
yield put(bityOrderStatusRequested());
const orderStatus = yield call(getOrderStatus, swap.orderId);
if (orderStatus.error) {
yield put(showNotification('danger', `Bity Error: ${orderStatus.msg}`, TEN_SECONDS));
} else {
yield put(bityOrderStatusSucceededSwap(orderStatus.data));
yield call(delay, ONE_SECOND * 5);
swap = yield select(getSwap);
if (swap === 'CANC') {
break;
}
}
}
} finally {
if (yield cancelled()) {
// TODO - implement request cancel if needed
// yield put(actions.requestFailure('Request cancelled!'))
}
}
}
export function* pollShapeshiftOrderStatus(): SagaIterator {
try {
let swap = yield select(getSwap);
while (true) {
yield put(shapeshiftOrderStatusRequested());
const orderStatus = yield apply(shapeshift, shapeshift.checkStatus, [swap.paymentAddress]);
if (orderStatus.status === 'failed') {
yield put(showNotification('danger', `Shapeshift Error: ${orderStatus.error}`, Infinity));
yield put(stopPollShapeshiftOrderStatus());
} else {
yield put(shapeshiftOrderStatusSucceededSwap(orderStatus));
yield call(delay, ONE_SECOND * 5);
swap = yield select(getSwap);
if (swap === 'CANC') {
break;
}
}
}
} finally {
if (yield cancelled()) {
// Request canclled
}
}
}
export function* pollBityOrderStatusSaga(): SagaIterator {
while (yield take(TypeKeys.SWAP_START_POLL_BITY_ORDER_STATUS)) {
// starts the task in the background
const pollBityOrderStatusTask = yield fork(pollBityOrderStatus);
// wait for the user to get to point where refresh is no longer needed
yield take(TypeKeys.SWAP_STOP_POLL_BITY_ORDER_STATUS);
// cancel the background task
// this will cause the forked loadBityRates task to jump into its finally block
yield cancel(pollBityOrderStatusTask);
}
}
export function* pollShapeshiftOrderStatusSaga(): SagaIterator {
while (yield take(TypeKeys.SWAP_START_POLL_SHAPESHIFT_ORDER_STATUS)) {
const pollShapeshiftOrderStatusTask = yield fork(pollShapeshiftOrderStatus);
yield take(TypeKeys.SWAP_STOP_POLL_SHAPESHIFT_ORDER_STATUS);
yield cancel(pollShapeshiftOrderStatusTask);
}
}
export function* postBityOrderCreate(action: BityOrderCreateRequestedSwapAction): SagaIterator {
const payload = action.payload;
try {
yield put(stopLoadBityRatesSwap());
const order = yield call(
postOrder,
payload.amount,
payload.destinationAddress,
payload.mode,
payload.pair
);
if (order.error) {
// TODO - handle better / like existing site?
yield put(showNotification('danger', `Bity Error: ${order.msg}`, TEN_SECONDS));
yield put(bityOrderCreateFailedSwap());
} else {
yield put(bityOrderCreateSucceededSwap(order.data));
yield put(changeStepSwap(3));
// start countdown
yield put(startOrderTimerSwap());
// start bity order status polling
yield put(startPollBityOrderStatus());
}
} catch (e) {
const message =
'Connection Error. Please check the developer console for more details and/or contact support';
console.error(e);
yield put(showNotification('danger', message, TEN_SECONDS));
yield put(bityOrderCreateFailedSwap());
}
}
export function* postShapeshiftOrderCreate(
action: ShapeshiftOrderCreateRequestedSwapAction
): SagaIterator {
const payload = action.payload;
try {
yield put(stopLoadShapeshiftRatesSwap());
const order = yield apply(shapeshift, shapeshift.sendAmount, [
payload.withdrawal,
payload.originKind,
payload.destinationKind,
payload.destinationAmount
]);
if (order.error) {
yield put(showNotification('danger', `Shapeshift Error: ${order.error}`, TEN_SECONDS));
yield put(shapeshiftOrderCreateFailedSwap());
} else {
yield put(shapeshiftOrderCreateSucceededSwap(order.success));
yield put(changeStepSwap(3));
// start countdown
yield put(startOrderTimerSwap());
// start shapeshift order status polling
yield put(startPollShapeshiftOrderStatus());
}
} catch (e) {
if (e && e.message) {
yield put(showNotification('danger', e.message, TEN_SECONDS));
} else {
const message =
'Connection Error. Please check the developer console for more details and/or contact support';
console.error(e);
yield put(showNotification('danger', message, TEN_SECONDS));
}
yield put(shapeshiftOrderCreateFailedSwap());
}
}
export function* restartSwap() {
yield put(reset());
yield put(resetWallet());
yield put(stopPollShapeshiftOrderStatus());
yield put(stopPollBityOrderStatus());
yield put(loadShapeshiftRatesRequestedSwap());
}
export function* bityOrderTimeRemaining(): SagaIterator {
while (true) {
let hasShownNotification = false;
while (true) {
yield call(delay, ONE_SECOND);
const swap = yield select(getSwap);
const createdTimeStampMoment = moment(swap.orderTimestampCreatedISOString);
const validUntil = moment(createdTimeStampMoment).add(swap.validFor, 's');
const now = moment();
if (validUntil.isAfter(now)) {
const duration = moment.duration(validUntil.diff(now));
const seconds = duration.asSeconds();
yield put(orderTimeSwap(parseInt(seconds.toString(), 10)));
switch (swap.bityOrderStatus) {
case 'CANC':
yield put(stopPollBityOrderStatus());
yield put(stopLoadBityRatesSwap());
yield put(stopOrderTimerSwap());
if (!hasShownNotification) {
hasShownNotification = true;
yield put(showNotification('danger', ORDER_TIMEOUT_MESSAGE, Infinity));
}
break;
case 'FILL':
yield put(stopPollBityOrderStatus());
yield put(stopLoadBityRatesSwap());
yield put(stopOrderTimerSwap());
break;
}
} else {
switch (swap.bityOrderStatus) {
case 'OPEN':
yield put(orderTimeSwap(0));
yield put(stopPollBityOrderStatus());
yield put(stopLoadBityRatesSwap());
if (!hasShownNotification) {
hasShownNotification = true;
yield put(showNotification('danger', ORDER_TIMEOUT_MESSAGE, Infinity));
}
break;
case 'CANC':
yield put(stopPollBityOrderStatus());
yield put(stopLoadBityRatesSwap());
if (!hasShownNotification) {
hasShownNotification = true;
yield put(showNotification('danger', ORDER_TIMEOUT_MESSAGE, Infinity));
}
break;
case 'RCVE':
if (!hasShownNotification) {
hasShownNotification = true;
yield put(showNotification('warning', ORDER_TIMEOUT_MESSAGE, Infinity));
}
break;
case 'FILL':
yield put(stopPollBityOrderStatus());
yield put(stopLoadBityRatesSwap());
yield put(stopOrderTimerSwap());
break;
}
}
}
}
}
export function* shapeshiftOrderTimeRemaining(): SagaIterator {
while (true) {
let hasShownNotification = false;
while (true) {
yield call(delay, ONE_SECOND);
const swap = yield select(getSwap);
const createdTimeStampMoment = moment(swap.orderTimestampCreatedISOString);
const validUntil = moment(createdTimeStampMoment).add(swap.validFor, 's');
const now = moment();
if (validUntil.isAfter(now)) {
const duration = moment.duration(validUntil.diff(now));
const seconds = duration.asSeconds();
yield put(orderTimeSwap(parseInt(seconds.toString(), 10)));
switch (swap.shapeshiftOrderStatus) {
case 'failed':
yield put(stopPollShapeshiftOrderStatus());
yield put(stopLoadShapeshiftRatesSwap());
yield put(stopOrderTimerSwap());
if (!hasShownNotification) {
hasShownNotification = true;
yield put(showNotification('danger', ORDER_TIMEOUT_MESSAGE, Infinity));
}
break;
case 'received':
yield put(stopOrderTimerSwap());
break;
case 'complete':
yield put(stopPollShapeshiftOrderStatus());
yield put(stopLoadShapeshiftRatesSwap());
yield put(stopOrderTimerSwap());
break;
}
} else {
switch (swap.shapeshiftOrderStatus) {
case 'no_deposits':
if (!hasShownNotification) {
hasShownNotification = true;
yield put(orderTimeSwap(0));
yield put(stopPollShapeshiftOrderStatus());
yield put(stopLoadShapeshiftRatesSwap());
yield put(showNotification('danger', ORDER_TIMEOUT_MESSAGE, Infinity));
}
break;
case 'failed':
if (!hasShownNotification) {
hasShownNotification = true;
yield put(stopPollShapeshiftOrderStatus());
yield put(stopLoadShapeshiftRatesSwap());
yield put(showNotification('danger', ORDER_TIMEOUT_MESSAGE, Infinity));
}
break;
case 'received':
if (!hasShownNotification) {
hasShownNotification = true;
yield put(showNotification('warning', ORDER_RECEIVED_MESSAGE, Infinity));
}
break;
case 'complete':
yield put(stopPollShapeshiftOrderStatus());
yield put(stopLoadShapeshiftRatesSwap());
yield put(stopOrderTimerSwap());
break;
}
}
}
}
}
export function* handleOrderTimeRemaining(): SagaIterator {
const swap = yield select(getSwap);
let orderTimeRemainingTask;
if (swap.provider === 'shapeshift') {
orderTimeRemainingTask = yield fork(shapeshiftOrderTimeRemaining);
} else {
orderTimeRemainingTask = yield fork(bityOrderTimeRemaining);
}
yield take(TypeKeys.SWAP_ORDER_STOP_TIMER);
yield cancel(orderTimeRemainingTask);
}
export default function* swapOrders(): SagaIterator {
yield fork(handleOrderTimeRemaining);
yield fork(pollShapeshiftOrderStatusSaga);
yield fork(pollBityOrderStatusSaga);
yield takeEvery(TypeKeys.SWAP_BITY_ORDER_CREATE_REQUESTED, postBityOrderCreate);
yield takeEvery(TypeKeys.SWAP_SHAPESHIFT_ORDER_CREATE_REQUESTED, postShapeshiftOrderCreate);
yield takeEvery(TypeKeys.SWAP_ORDER_START_TIMER, handleOrderTimeRemaining);
yield takeEvery(TypeKeys.SWAP_RESTART, restartSwap);
}