@bithomp/xrpl-api/lib/ledger/book_offers.js

A Bithomp JavaScript/TypeScript library for interacting with the XRP Ledger

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
            return ar;
        };
        return ownKeys(o);
    };
    return function (mod) {
        if (mod && mod.__esModule) return mod;
        var result = {};
        if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
        __setModuleDefault(result, mod);
        return result;
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.getBookOffers = getBookOffers;
exports.getOrderbook = getOrderbook;
const Client = __importStar(require("../client"));
const book_offers_1 = require("../models/book_offers");
const utils_1 = require("../common/utils");
const common_1 = require("../common");
async function getBookOffers(taker, takerGets, takerPays, options = {}) {
    const { hash, marker } = (0, utils_1.parseMarker)(options.marker);
    options.marker = marker;
    const connection = Client.findConnection("book_offers", undefined, undefined, hash);
    if (!connection) {
        throw new Error("There is no connection");
    }
    const response = await connection.request({
        command: "book_offers",
        taker,
        taker_gets: takerGets,
        taker_pays: takerPays,
        ledger_index: options.ledgerIndex || "validated",
        limit: options.limit,
        marker: options.marker,
    });
    if (!response) {
        return {
            taker,
            status: "error",
            error: "invalidResponse",
        };
    }
    if (response.error) {
        const { error, error_code, error_message, error_exception, status, validated } = response;
        return (0, common_1.removeUndefined)({
            taker,
            error,
            error_code,
            error_message,
            error_exception,
            status,
            validated,
        });
    }
    const result = response.result;
    const newMarker = (0, utils_1.createMarker)(connection.hash, result.marker);
    if (newMarker) {
        result.marker = newMarker;
    }
    return result;
}
function convertIssueToTakerAmount(obj) {
    const issuer = obj.counterparty != null ? obj.counterparty : obj.issuer != null ? obj.issuer : undefined;
    const withIssuer = Object.assign({}, obj, { issuer });
    delete withIssuer.counterparty;
    return withIssuer;
}
async function getOrderbook(taker, orderbook, options = {}) {
    const [directOfferResults, reverseOfferResults] = await Promise.all([
        getBookOffers(taker, convertIssueToTakerAmount(orderbook.base), convertIssueToTakerAmount(orderbook.counter), options),
        getBookOffers(taker, convertIssueToTakerAmount(orderbook.counter), convertIssueToTakerAmount(orderbook.base), options),
    ]);
    if (directOfferResults.error) {
        return directOfferResults;
    }
    if (reverseOfferResults.error) {
        return reverseOfferResults;
    }
    return (0, book_offers_1.formatBidsAndAsks)(orderbook, [...directOfferResults.offers, ...reverseOfferResults.offers]);
}