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- import { BigNumber } from 'bignumber.js';
- import validator from 'validator';
- import { ADDRESS_PREFIX } from './address.js';
- import { AbiParamsCommon } from '../types/ABI.js';
- import { IBigNumber } from '../types/TronWeb.js';
- import type { EventQueryDataType, MapEventQueryDataType } from '../types/UtilsTypes.js';
- export function isValidURL(url: string): boolean {
- if (typeof url !== 'string') return false;
- return validator.isURL(url.toString(), {
- protocols: ['http', 'https'],
- require_tld: false,
- });
- }
- export function isObject(obj: unknown): obj is Record<number | string | symbol, unknown> {
- return obj === Object(obj) && Object.prototype.toString.call(obj) !== '[object Array]';
- }
- export function isArray(array: unknown): array is unknown[] {
- return Array.isArray(array);
- }
- export function isJson(string: string): boolean {
- try {
- return !!JSON.parse(string);
- } catch (ex) {
- return false;
- }
- }
- export function isBoolean(bool: unknown): bool is boolean {
- return typeof bool === 'boolean';
- }
- export function isBigNumber(number: unknown): number is IBigNumber {
- return !!number && (number instanceof BigNumber || (number.constructor && number.constructor.name === 'BigNumber'));
- }
- export function isString(string: unknown): string is string {
- return typeof string === 'string' || (!!string && string.constructor && string.constructor.name === 'String');
- }
- export function isFunction(obj: unknown): obj is (...args: unknown[]) => unknown {
- return typeof obj === 'function';
- }
- export function isHex(string: string): string is string {
- return typeof string === 'string' && !isNaN(parseInt(string, 16)) && /^(0x|)[a-fA-F0-9]+$/.test(string);
- }
- export function isInteger(number: unknown): number is number {
- if (number === null) return false;
- return Number.isInteger(Number(number));
- }
- export function hasProperty(obj: object, property: string | number | symbol) {
- return Object.prototype.hasOwnProperty.call(obj, property);
- }
- export function hasProperties(obj: object, ...properties: (string | number | symbol)[]) {
- return (
- properties.length &&
- !properties
- .map((property) => {
- return hasProperty(obj, property);
- })
- .includes(false)
- );
- }
- export function mapEvent(event: EventQueryDataType) {
- const data: MapEventQueryDataType = {
- block: event.block_number,
- timestamp: event.block_timestamp,
- contract: event.contract_address,
- name: event.event_name,
- transaction: event.transaction_id,
- result: event.result,
- resourceNode: event.resource_Node || (event._unconfirmed ? 'fullNode' : 'solidityNode'),
- };
- if (event._unconfirmed) {
- data.unconfirmed = event._unconfirmed;
- }
- if (event._fingerprint) {
- data.fingerprint = event._fingerprint;
- }
- return data;
- }
- export function parseEvent(event: EventQueryDataType, { inputs: abi }: { inputs: ReadonlyArray<AbiParamsCommon> }) {
- if (!event.result) return event;
- if (isObject(event.result)) {
- for (let i = 0; i < abi.length; i++) {
- const obj = abi[i];
- if (obj.type == 'address' && obj.name in event.result)
- event.result[obj.name] = ADDRESS_PREFIX + (event.result[obj.name] as string).substr(2).toLowerCase();
- }
- } else if (isArray(event.result)) {
- event.result = (event.result as string[]).reduce<Record<string, string>>((obj, result, index) => {
- const { name, type } = abi[index];
- if (type == 'address') result = ADDRESS_PREFIX + result.substr(2).toLowerCase();
- obj[name] = result;
- return obj;
- }, {});
- }
- return event;
- }
- export function padLeft(input: string | number, padding: string, amount: number): string {
- let res = input.toString();
- while (res.length < amount) res = padding + res;
- return res;
- }
- export function isNotNullOrUndefined(val: unknown): boolean {
- return val !== null && typeof val !== 'undefined';
- }
- export async function sleep(millis = 1000): Promise<any> {
- return new Promise((resolve) => setTimeout(resolve, millis));
- }
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