@bithomp/xrpl-api
Version:
A Bithomp JavaScript/TypeScript library for interacting with the XRP Ledger
93 lines (92 loc) • 3.86 kB
JavaScript
;
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o[k2] = m[k];
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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 = [];
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return function (mod) {
if (mod && mod.__esModule) return mod;
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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.sortHelperAccountNFToken = sortHelperAccountNFToken;
exports.cipheredTaxon = cipheredTaxon;
exports.parseNFTokenID = parseNFTokenID;
exports.buildNFTokenID = buildNFTokenID;
const bignumber_js_1 = __importDefault(require("bignumber.js"));
const AddressCodec = __importStar(require("ripple-address-codec"));
const utils_1 = require("../parse/utils");
function sortHelperAccountNFToken(a, b) {
const cmpIssuer = a.Issuer.localeCompare(b.Issuer);
if (cmpIssuer !== 0) {
return cmpIssuer;
}
if (a.nft_serial < b.nft_serial) {
return -1;
}
if (a.nft_serial > b.nft_serial) {
return 1;
}
return 0;
}
function cipheredTaxon(tokenSeq, taxon) {
const m = 384160001n;
const c = 2459n;
const max = 4294967296n;
const p1 = (m * BigInt(tokenSeq)) % max;
const p2 = (p1 + c) % max;
return (taxon ^ Number(p2)) >>> 0;
}
function parseNFTokenID(nftokenID) {
if (typeof nftokenID !== "string" || nftokenID.length !== 64) {
return null;
}
const flags = new bignumber_js_1.default(nftokenID.slice(0, 4), 16).toNumber();
const transferFee = new bignumber_js_1.default(nftokenID.slice(4, 8), 16).toNumber();
const issuer = AddressCodec.encodeAccountID(Buffer.from(nftokenID.slice(8, 48), "hex"));
const scrambledTaxon = new bignumber_js_1.default(nftokenID.slice(48, 56), 16).toNumber();
const sequence = new bignumber_js_1.default(nftokenID.slice(56, 64), 16).toNumber();
return {
NFTokenID: nftokenID,
Flags: flags,
TransferFee: transferFee,
Issuer: issuer,
NFTokenTaxon: cipheredTaxon(sequence, scrambledTaxon),
Sequence: sequence,
};
}
function buildNFTokenID(flags, transferFee, issuer, taxon, sequence) {
const scrambledTaxon = cipheredTaxon(sequence, taxon);
return (new bignumber_js_1.default(flags).toString(16).padStart(4, "0").toUpperCase() +
new bignumber_js_1.default(transferFee).toString(16).padStart(4, "0").toUpperCase() +
(0, utils_1.bytesToHex)(AddressCodec.decodeAccountID(issuer).buffer) +
new bignumber_js_1.default(scrambledTaxon).toString(16).padStart(8, "0").toUpperCase() +
new bignumber_js_1.default(sequence).toString(16).padStart(8, "0").toUpperCase());
}