raiden-ts/dist:cjs/transfers/epics/expire.js

Raiden Light Client Typescript/Javascript SDK

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.transferAutoExpireEpic = void 0;
const rxjs_1 = require("rxjs");
const operators_1 = require("rxjs/operators");
const error_1 = require("../../utils/error");
const rx_1 = require("../../utils/rx");
const actions_1 = require("../actions");
const state_1 = require("../state");
/**
 * Process newBlocks, emits transferExpire.request (request to compose&sign LockExpired for a
 * transfer) if pending transfer's lock expired and transfer didn't unlock (succeed) in time
 * Also, emits transfer.failure, to notify users that a transfer has failed (although it'll only be
 * considered as completed with fail once the transferExpireProcessed arrives).
 *
 * @param action$ - Observable of newBlock|transferExpire.success|transferExpire.failure actions
 * @param state$ - Observable of RaidenStates
 * @param deps - Epics dependencies
 * @param deps.config$ - Config observable
 * @returns Observable of transferExpire.request|transfer.failure actions
 */
function transferAutoExpireEpic({}, state$, { config$ }) {
    const transferIsGone$ = ({ key }) => state$.pipe((0, operators_1.filter)(({ transfers }) => !(key in transfers)));
    return state$.pipe((0, operators_1.pluck)('transfers'), (0, operators_1.mergeMap)((transfers) => Object.values(transfers)), (0, operators_1.filter)(({ direction }) => direction === state_1.Direction.SENT), (0, operators_1.groupBy)(({ _id }) => _id, { duration: transferIsGone$ }), (0, operators_1.mergeMap)((grouped$) => grouped$.pipe((0, operators_1.withLatestFrom)(config$), (0, operators_1.exhaustMap)(([{ expiration, transfer: locked }, { httpTimeout }]) => {
        const meta = { secrethash: locked.lock.secrethash, direction: state_1.Direction.SENT };
        return (0, rxjs_1.timer)(new Date((expiration + 1) * 1e3)).pipe((0, operators_1.mergeMapTo)((0, rxjs_1.timer)(httpTimeout).pipe((0, operators_1.mapTo)(actions_1.transferExpire.request(undefined, meta)), (0, operators_1.startWith)(actions_1.transfer.failure(new error_1.RaidenError(error_1.ErrorCodes.XFER_EXPIRED, { expiration }), meta)))));
    }), (0, operators_1.takeUntil)(grouped$.pipe((0, operators_1.filter)((t) => !!(t.unlock || t.expired || t.secretRegistered || t.channelClosed)), (0, operators_1.mergeWith)(transferIsGone$(grouped$)))), (0, rx_1.completeWith)(state$))));
}
exports.transferAutoExpireEpic = transferAutoExpireEpic;
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