shared files for seeing account balances

.editorconfig

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+# EditorConfig is awesome: http://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+# Unix-style newlines with a newline ending every file
+[*]
+end_of_line = lf
+insert_final_newline = true
+indent_style = space
+indent_size = 2
+
+# Matches multiple files with brace expansion notation
+# Set default charset
+[*.{js,py}]
+charset = utf-8

.eslintrc

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+{
+  "plugins": ["prettier"],
+  "extends": ["react-app", "prettier"],
+  "rules": {
+    "jsx-a11y/href-no-hash": "off",
+    "array-callback-return": "off",
+    "prettier/prettier": "error"
+  },
+  "globals": {
+    "document": true,
+    "window": true
+  }
+}

.gitignore

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+# See https://help.github.com/ignore-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+
+# testing
+/coverage
+
+# production
+/build
+
+# misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+IGNORE_*
+package-lock.json

.prettierrc

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+{
+  "singleQuote": true,
+  "trailingComma": "all",
+  "parser": "flow"
+}

package.json

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+{
+  "name": "balance-common",
+  "description": "Common library for web and mobile",
+  "version": "0.1.0",
+  "author": "Jin Chung <[email protected]>",
+  "license": "GPL-3",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/balance-io/balance-common.git"
+  },
+  "bugs": {
+    "url": "https://github.com/balance-io/balance-common/issues"
+  },
+  "dependencies": {
+    "axios": "^0.18.0",
+    "bignumber.js": "^7.0.1",
+    "i18next": "^11.3.2",
+    "jsonp": "^0.2.1",
+    "lodash": "^4.17.5",
+    "redux": "^4.0.0"
+  },
+  "scripts": {
+    "precommit": "lint-staged",
+    "format": "prettier --write \"src/**/*.js\"",
+    "lint": "eslint src --ext .js"
+  },
+  "lint-staged": {
+    "src/**/*.js": [
+      "eslint src --ext .js",
+      "prettier --write",
+      "git add"
+    ]
+  },
+  "devDependencies": {
+    "babel-eslint": "^8.2.2",
+    "cross-env": "^5.2.0",
+    "eslint-config-prettier": "^2.9.0",
+    "eslint-config-react-app": "^2.1.0",
+    "eslint-plugin-flowtype": "^2.46.1",
+    "eslint-plugin-import": "^2.9.0",
+    "eslint-plugin-jsx-a11y": "^6.0.3",
+    "eslint-plugin-prettier": "^2.6.0",
+    "eslint-plugin-react": "^7.7.0",
+    "husky": "^0.14.3",
+    "lint-staged": "^7.1.0",
+    "prettier": "^1.13.5"
+  }
+}

src/handlers/api.js

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+import axios from 'axios';
+import { parseAccountAssets } from './parsers';
+import nativeCurrencies from '../references/native-currencies.json';
+
+const cryptocompareApiKey = process.env.REACT_APP_CRYPTOCOMPARE_API_KEY || '';
+
+/**
+ * Configuration for cryptocompare api
+ * @type axios instance
+ */
+const cryptocompare = axios.create({
+  baseURL: 'https://min-api.cryptocompare.com/data/',
+  timeout: 30000, // 30 secs
+  headers: {
+    'Content-Type': 'application/json',
+    Accept: 'application/json',
+  },
+});
+
+/**
+ * @desc get all assets prices
+ * @param  {Array}   [asset=[]]
+ * @return {Promise}
+ */
+export const apiGetPrices = (assets = []) => {
+  const assetsQuery = JSON.stringify(assets).replace(/[[\]"]/gi, '');
+  const nativeQuery = JSON.stringify(Object.keys(nativeCurrencies)).replace(
+    /[[\]"]/gi,
+    '',
+  );
+  return cryptocompare.get(
+    `/pricemultifull?fsyms=${assetsQuery}&tsyms=${nativeQuery}&apiKey=${cryptocompareApiKey}`,
+  );
+};
+
+/**
+ * Configuration for balance api
+ * @type axios instance
+ */
+const api = axios.create({
+  baseURL: 'https://indexer.balance.io',
+  timeout: 30000, // 30 secs
+  headers: {
+    'Content-Type': 'application/json',
+    Accept: 'application/json',
+  },
+});
+
+/**
+ * @desc get account balances
+ * @param  {String}   [address = '']
+ * @param  {String}   [network = 'mainnet']
+ * @return {Promise}
+ */
+export const apiGetAccountBalances = async (
+  address = '',
+  network = 'mainnet',
+) => {
+  try {
+    const { data } = await api.get(`/get_balances/${network}/${address}`);
+    const accountInfo = parseAccountAssets(data, address);
+    const result = { data: accountInfo };
+    return result;
+  } catch (error) {
+    throw error;
+  }
+};

src/handlers/opensea-api.js

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+import axios from 'axios';
+import { parseAccountUniqueTokens } from './parsers';
+
+const openseaApiKey = process.env.REACT_APP_OPENSEA_API_KEY || '';
+
+/**
+ * Configuration for opensea api
+ * @type axios instance
+ */
+const api = axios.create({
+  baseURL: 'https://api.opensea.io/api/v1',
+  timeout: 30000, // 30 secs
+  headers: {
+    Accept: 'application/json',
+    'X-API-KEY': openseaApiKey,
+  },
+});
+
+/**
+ * @desc get opensea unique tokens
+ * @param  {String}   [address='']
+ * @return {Promise}
+ */
+export const apiGetAccountUniqueTokens = async (address = '') => {
+  const data = await api.get(`/assets?owner=${address}`);
+  const result = parseAccountUniqueTokens(data);
+  return result;
+};