@provenanceio/wallet-utils/lib/utils/messages/getCoinList.js

Typescript Utilities for Provenance Blockchain Wallet

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.getCoinList = void 0;

var _coin_pb = require("../../proto/cosmos/base/v1beta1/coin_pb");

function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }

function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); }

function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

/**
 * This function accepts a list of fees of any denom and
 * returns a list of Coins
 * @param coinsList: List of coins
 * @returns List of coins of type Coin[].
 */
var getCoinList = function getCoinList(coinsList) {
  return coinsList.reduce(function (agg, curr) {
    // Find if the same coin is already in the aggregated list
    var sameCoin = agg.find(function (i) {
      return i.denom === curr.denom;
    });

    if (sameCoin) {
      // if it is find the index of it
      var sameCoinInd = agg.findIndex(function (i) {
        return i.denom === sameCoin.denom;
      }); // create a new array from the aggregate so we don't mutate it

      var result = _toConsumableArray(agg); // change the item in place to add the current amount to whatever it currently is


      result[sameCoinInd] = {
        amount: +sameCoin.amount + +curr.amount,
        denom: curr.denom
      }; // return the resulting array

      return result;
    } // if the coin wasn't already in the aggregate just add it to the aggregate here


    return [].concat(_toConsumableArray(agg), [curr]);
  }, []) // sort by denom name in ascending order (assumes all denoms are lowercase)
  .sort(function (a, b) {
    return a.denom > b.denom ? 1 : -1;
  }).map(function (feeItem) {
    // map each feeItem and create a coin out of it
    var feeCoin = new _coin_pb.Coin();
    feeCoin.setDenom(feeItem.denom); // since the amount can be a string or number we convert it to a string here

    feeCoin.setAmount(feeItem.amount.toString());
    return feeCoin;
  });
};

exports.getCoinList = getCoinList;