cosmic-lib/es5/convert.js

A JavaScript implementation of the CosmicLink protocol for Stellar

"use strict";
/**
 * Contains the methods to convert transactions between various formats.
 *
 * @private
 * @exports convert
 */

require("core-js/modules/es.string.replace.js");

const convert = exports;

const StellarSdk = require("@cosmic-plus/base/es5/stellar-sdk");

const construct = require("./construct");

const decode = require("./decode");

const destruct = require("./destruct");

const encode = require("./encode");

const resolve = require("./resolve");
/** ****************************    URI -> XDR    ******************************/


convert.uriToQuery = function (conf, uri) {
  if (!uri.match(/\?/)) return null;
  const query = uri.replace(/^[^?]*/, "");
  return query;
};

convert.queryToTdesc = decode.query;

convert.tdescToJson = function (conf, tdesc) {
  return JSON.stringify(tdesc, null, 2);
};

convert.tdescToTransaction = construct.transaction;

convert.transactionToXdr = function (conf, transaction) {
  return transaction.toEnvelope().toXDR("base64");
};

convert.xdrToSep7 = function (conf, xdr, options) {
  let sep7 = "web+stellar:tx?xdr=";
  sep7 += encodeURIComponent(xdr);

  if (conf.extra.pubkey) {
    sep7 += "&pubkey=" + encodeURIComponent(conf.extra.pubkey);
  }

  if (conf.extra.msg) {
    sep7 += "&msg=" + encodeURIComponent(conf.extra.msg);
  }

  if (options.network && options.network !== "public") {
    const passphrase = resolve.networkPassphrase(conf, options.network);
    sep7 += "&network_passphrase=" + encodeURIComponent(passphrase);
  }

  if (options.callback) {
    sep7 += "&callback=" + encode.url(conf, "url:".concat(options.callback));
  }

  if (typeof conf.extra.originDomain === "string") {
    sep7 += "&origin_domain=" + conf.extra.originDomain;
    sep7 += "&signature=" + conf.extra.signature;
  } // Not part of the standard.
  // if (options.horizon) sep7 +="&horizon=" + encode.url(conf, options.horizon)


  return sep7;
};
/** ****************************    XDR -> URI    ******************************/


convert.xdrToTransaction = function (conf, xdr, options = {}) {
  const networkPassphrase = resolve.networkPassphrase(conf, options.network);
  const transaction = new StellarSdk.Transaction(xdr, networkPassphrase);

  if (options.strip === "signatures") {
    // transaction.signatures can't be replaced.
    while (transaction.signatures.length) transaction.signatures.pop();
  }

  return transaction;
};

convert.xdrToQuery = function (conf, xdr, options = {}) {
  let query = "?xdr=" + xdr;
  if (options.network) query += "&network=" + encodeURIComponent(options.network);
  if (options.horizon) query += "&horizon=" + encode.url(conf, options.horizon);
  if (options.callback) query += "&callback=" + encode.url(conf, options.callback); // Handle with source-independent transactions.

  if (conf.locker && !conf.locker.source) query += "&strip=source";
  return query;
};

convert.transactionToTdesc = destruct.transaction;

convert.jsonToTdesc = function (conf, json) {
  return JSON.parse(json);
};

convert.tdescToQuery = encode.query;

convert.queryToUri = function (conf, query) {
  const page = conf.page || "https://cosmic.link";
  return page + query;
};