dpayjs/lib/formatter.js

dPay.js the JavaScript API for dPay blockchain

"use strict";

var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();

var _get = require("lodash/get");

var _get2 = _interopRequireDefault(_get);

var _ecc = require("./auth/ecc");

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

module.exports = function (dpayApi) {
  function numberWithCommas(x) {
    return x.replace(/\B(?=(\d{3})+(?!\d))/g, ",");
  }

  function vestingDPay(account, gprops) {
    var vests = parseFloat(account.vesting_shares.split(" ")[0]);
    var total_vests = parseFloat(gprops.total_vesting_shares.split(" ")[0]);
    var total_vest_dpay = parseFloat(gprops.total_vesting_fund_dpay.split(" ")[0]);
    var vesting_dpayf = total_vest_dpay * (vests / total_vests);
    return vesting_dpayf;
  }

  function processOrders(open_orders, assetPrecision) {
    var bbdOrders = !open_orders ? 0 : open_orders.reduce(function (o, order) {
      if (order.sell_price.base.indexOf("BBD") !== -1) {
        o += order.for_sale;
      }
      return o;
    }, 0) / assetPrecision;

    var dpayOrders = !open_orders ? 0 : open_orders.reduce(function (o, order) {
      if (order.sell_price.base.indexOf("BEX") !== -1) {
        o += order.for_sale;
      }
      return o;
    }, 0) / assetPrecision;

    return { dpayOrders: dpayOrders, bbdOrders: bbdOrders };
  }

  function calculateSaving(savings_withdraws) {
    var savings_pending = 0;
    var savings_bbd_pending = 0;
    savings_withdraws.forEach(function (withdraw) {
      var _withdraw$amount$spli = withdraw.amount.split(" "),
          _withdraw$amount$spli2 = _slicedToArray(_withdraw$amount$spli, 2),
          amount = _withdraw$amount$spli2[0],
          asset = _withdraw$amount$spli2[1];

      if (asset === "BEX") savings_pending += parseFloat(amount);else {
        if (asset === "BBD") savings_bbd_pending += parseFloat(amount);
      }
    });
    return { savings_pending: savings_pending, savings_bbd_pending: savings_bbd_pending };
  }

  function estimateAccountValue(account) {
    var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
        gprops = _ref.gprops,
        feed_price = _ref.feed_price,
        open_orders = _ref.open_orders,
        savings_withdraws = _ref.savings_withdraws,
        vesting_dpay = _ref.vesting_dpay;

    var promises = [];
    var username = account.name;
    var assetPrecision = 1000;
    var orders = void 0,
        savings = void 0;

    if (!vesting_dpay || !feed_price) {
      if (!gprops || !feed_price) {
        promises.push(dpayApi.getStateAsync("/@{username}").then(function (data) {
          gprops = data.props;
          feed_price = data.feed_price;
          vesting_dpay = vestingDPay(account, gprops);
        }));
      } else {
        vesting_dpay = vestingDPay(account, gprops);
      }
    }

    if (!open_orders) {
      promises.push(dpayApi.getOpenOrdersAsync(username).then(function (open_orders) {
        orders = processOrders(open_orders, assetPrecision);
      }));
    } else {
      orders = processOrders(open_orders, assetPrecision);
    }

    if (!savings_withdraws) {
      promises.push(dpayApi.getSavingsWithdrawFromAsync(username).then(function (savings_withdraws) {
        savings = calculateSaving(savings_withdraws);
      }));
    } else {
      savings = calculateSaving(savings_withdraws);
    }

    return Promise.all(promises).then(function () {
      var price_per_dpay = undefined;
      var _feed_price = feed_price,
          base = _feed_price.base,
          quote = _feed_price.quote;

      if (/ BBD$/.test(base) && / BEX/.test(quote)) price_per_dpay = parseFloat(base.split(" ")[0]);
      var savings_balance = account.savings_balance;
      var savings_bbd_balance = account.savings_bbd_balance;
      var balance_dpay = parseFloat(account.balance.split(" ")[0]);
      var saving_balance_dpay = parseFloat(savings_balance.split(" ")[0]);
      var bbd_balance = parseFloat(account.bbd_balance);
      var bbd_balance_savings = parseFloat(savings_bbd_balance.split(" ")[0]);

      var conversionValue = 0;
      var currentTime = new Date().getTime();
      (account.other_history || []).reduce(function (out, item) {
        if ((0, _get2.default)(item, [1, "op", 0], "") !== "convert") return out;

        var timestamp = new Date((0, _get2.default)(item, [1, "timestamp"])).getTime();
        var finishTime = timestamp + 86400000 * 3.5; // add 3.5day conversion delay
        if (finishTime < currentTime) return out;

        var amount = parseFloat((0, _get2.default)(item, [1, "op", 1, "amount"]).replace(" SBD", ""));
        conversionValue += amount;
      }, []);

      var total_bbd = bbd_balance + bbd_balance_savings + savings.savings_bbd_pending + orders.bbdOrders + conversionValue;

      var total_dpay = vesting_dpay + balance_dpay + saving_balance_dpay + savings.savings_pending + orders.dpayOrders;

      return (total_dpay * price_per_dpay + total_bbd).toFixed(2);
    });
  }

  function createSuggestedPassword() {
    var PASSWORD_LENGTH = 32;
    var privateKey = _ecc.key_utils.get_random_key();
    return privateKey.toWif().substring(3, 3 + PASSWORD_LENGTH);
  }

  return {
    reputation: function reputation(_reputation) {
      if (_reputation == null) return _reputation;
      _reputation = parseInt(_reputation);
      var rep = String(_reputation);
      var neg = rep.charAt(0) === "-";
      rep = neg ? rep.substring(1) : rep;
      var str = rep;
      var leadingDigits = parseInt(str.substring(0, 4));
      var log = Math.log(leadingDigits) / Math.log(10);
      var n = str.length - 1;
      var out = n + (log - parseInt(log));
      if (isNaN(out)) out = 0;
      out = Math.max(out - 9, 0);
      out = (neg ? -1 : 1) * out;
      out = out * 9 + 25;
      out = parseInt(out);
      return out;
    },

    vestToDPay: function vestToDPay(vestingShares, totalVestingShares, totalVestingFundDPay) {
      return parseFloat(totalVestingFundDPay) * (parseFloat(vestingShares) / parseFloat(totalVestingShares));
    },

    commentPermlink: function commentPermlink(parentAuthor, parentPermlink) {
      var timeStr = new Date().toISOString().replace(/[^a-zA-Z0-9]+/g, "").toLowerCase();
      parentPermlink = parentPermlink.replace(/(-\d{8}t\d{9}z)/g, "");
      return "re-" + parentAuthor + "-" + parentPermlink + "-" + timeStr;
    },

    amount: function amount(_amount, asset) {
      return _amount.toFixed(3) + " " + asset;
    },
    numberWithCommas: numberWithCommas,
    vestingDPay: vestingDPay,
    estimateAccountValue: estimateAccountValue,
    createSuggestedPassword: createSuggestedPassword
  };
};