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• .. (вверх)
• [DIR] ..
• [FILE] account_merge.js
• [FILE] allow_trust.js
• [FILE] begin_sponsoring_future_reserves.js
• [FILE] bump_sequence.js
• [FILE] change_trust.js
• [FILE] claim_claimable_balance.js
• [FILE] clawback.js
• [FILE] clawback_claimable_balance.js
• [FILE] create_account.js
• [FILE] create_claimable_balance.js
• [FILE] create_passive_sell_offer.js
• [FILE] end_sponsoring_future_reserves.js
• [FILE] index.js
• [FILE] inflation.js
• [FILE] liquidity_pool_deposit.js
• [FILE] liquidity_pool_withdraw.js
• [FILE] manage_buy_offer.js
• [FILE] manage_data.js
• [FILE] manage_sell_offer.js
• [FILE] path_payment_strict_receive.js
• [FILE] path_payment_strict_send.js
• [FILE] payment.js
• [FILE] revoke_sponsorship.js
• [FILE] set_options.js
• [FILE] set_trustline_flags.js

Просмотр файла: manage_buy_offer.js

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.manageBuyOffer = manageBuyOffer;

var _isUndefined = require('lodash/isUndefined');

var _isUndefined2 = _interopRequireDefault(_isUndefined);

var _jsXdr = require('js-xdr');

var _xdr = require('../xdr');

var _xdr2 = _interopRequireDefault(_xdr);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

/**
 * Returns a XDR ManageBuyOfferOp. A "manage buy offer" operation creates, updates, or
 * deletes a buy offer.
 * @function
 * @alias Operation.manageBuyOffer
 * @param {object} opts Options object
 * @param {Asset} opts.selling - What you're selling.
 * @param {Asset} opts.buying - What you're buying.
 * @param {string} opts.buyAmount - The total amount you're buying. If 0, deletes the offer.
 * @param {number|string|BigNumber|Object} opts.price - Price of 1 unit of `buying` in terms of `selling`.
 * @param {number} opts.price.n - If `opts.price` is an object: the price numerator
 * @param {number} opts.price.d - If `opts.price` is an object: the price denominator
 * @param {number|string} [opts.offerId ] - If `0`, will create a new offer (default). Otherwise, edits an exisiting offer.
 * @param {string} [opts.source] - The source account (defaults to transaction source).
 * @throws {Error} Throws `Error` when the best rational approximation of `price` cannot be found.
 * @returns {xdr.ManageBuyOfferOp} Manage Buy Offer operation
 */
function manageBuyOffer(opts) {
  var attributes = {};
  attributes.selling = opts.selling.toXDRObject();
  attributes.buying = opts.buying.toXDRObject();
  if (!this.isValidAmount(opts.buyAmount, true)) {
    throw new TypeError(this.constructAmountRequirementsError('buyAmount'));
  }
  attributes.buyAmount = this._toXDRAmount(opts.buyAmount);
  if ((0, _isUndefined2.default)(opts.price)) {
    throw new TypeError('price argument is required');
  }
  attributes.price = this._toXDRPrice(opts.price);

  if (!(0, _isUndefined2.default)(opts.offerId)) {
    opts.offerId = opts.offerId.toString();
  } else {
    opts.offerId = '0';
  }

  attributes.offerId = _jsXdr.Hyper.fromString(opts.offerId);
  var manageBuyOfferOp = new _xdr2.default.ManageBuyOfferOp(attributes);

  var opAttributes = {};
  opAttributes.body = _xdr2.default.OperationBody.manageBuyOffer(manageBuyOfferOp);
  this.setSourceAccount(opAttributes, opts);

  return new _xdr2.default.Operation(opAttributes);
}

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