@reef-defi/api-derive/constants/all-currencies.js

Additional polkadot.js derives for Reef Chain

"use strict";

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

var _util = require("@polkadot/api-derive/util");

var _rxjs = require("rxjs");

var _operators = require("rxjs/operators");

function getNativeCurrencyId(api) {
  return api.rpc.system.properties().pipe((0, _operators.switchMap)(properties => {
    const nativeTokenSymbol = properties.tokenSymbol.unwrapOrDefault()[0].toString();
    return (0, _rxjs.of)(api.registry.createType('CurrencyId', api.registry.createType('TokenSymbol', nativeTokenSymbol)));
  }));
}
/**
 * @name nativeCurrencyId
 * @returns native currencyId
 */


function nativeCurrencyId(instanceId, api) {
  return (0, _util.memo)(instanceId, () => {
    return getNativeCurrencyId(api);
  });
}
/**
 * @name stakingCurrencyId
 * @returns staking currencyId in staking pool
 */


function getAllNonNativeCurrencyIds(api) {
  return api.consts.transactionPayment.allNonNativeCurrencyIds;
}
/**
 * @name allNonNativeCurrencyIds
 * @returns all nonnative currencyIds
 */


function allNonNativeCurrencyIds(instanceId, api) {
  return (0, _util.memo)(instanceId, () => {
    return (0, _rxjs.of)(getAllNonNativeCurrencyIds(api));
  });
}
/**
 * @name allCurrencyIds
 * @returns all currencyIds includes stable curerncyId and all nonnative currencyIds
 */


function allCurrencyIds(instanceId, api) {
  return (0, _util.memo)(instanceId, () => {
    return getNativeCurrencyId(api).pipe((0, _operators.switchMap)(nativeCurrencyId => {
      return (0, _rxjs.of)([nativeCurrencyId, ...getAllNonNativeCurrencyIds(api).slice()]);
    }));
  });
}