@bithomp/xrpl-api/lib/models/transaction/quality.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) {
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}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
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}));
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 (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
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var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.parseQuality = void 0;
const assert = __importStar(require("assert"));
const bignumber_js_1 = __importDefault(require("bignumber.js"));
function adjustQualityForXRP(quality, takerGetsCurrency, takerPaysCurrency) {
    var numeratorShift = (takerPaysCurrency === 'XRP' ? -6 : 0);
    var denominatorShift = (takerGetsCurrency === 'XRP' ? -6 : 0);
    var shift = numeratorShift - denominatorShift;
    return shift === 0 ? (new bignumber_js_1.default(quality)).toString() :
        (new bignumber_js_1.default(quality)).shiftedBy(shift).toString();
}
function parseQuality(qualityHex, takerGetsCurrency, takerPaysCurrency) {
    assert.ok(qualityHex.length === 16);
    var mantissa = new bignumber_js_1.default(qualityHex.substring(2), 16);
    var offset = parseInt(qualityHex.substring(0, 2), 16) - 100;
    var quality = mantissa.toString() + 'e' + offset.toString();
    return adjustQualityForXRP(quality, takerGetsCurrency, takerPaysCurrency);
}
exports.parseQuality = parseQuality;