forthxu’s gists

forthxu / contracts...MyToken.sol

Created August 27, 2024 03:36

Created using remix-ide: Realtime Ethereum Contract Compiler and Runtime. Load this file by pasting this gists URL or ID at https://remix.ethereum.org/#version=soljson-v0.4.26+commit.4563c3fc.js&optimize=false&runs=200&gist=

	/**
	*Submitted for verification at Etherscan.io on 2017-11-28
	*/

	pragma solidity ^0.4.17;

	/**
	* @title SafeMath
	* @dev Math operations with safety checks that throw on error
	*/

forthxu / TaskServer.php

Created April 20, 2023 07:58

swoole-1.8.5 多进程任务处理

	<?php
	/**
	* 任务处理服务
	$taskServer = new \TaskServer(
	100,//工作进程数量
	function($taskServer){//onMaster: 主进程任务
	//测试发任务到工作进程
	swoole_timer_tick(100, function () use ($taskServer) {
	$taskServer->task("hello");
	});

forthxu / date_convert_osx_example.sh

Created September 7, 2022 02:22 — forked from benwei/date_convert_osx_example.sh

MacOS convert timestamp by date command with GNU bash

	#!/bin/bash
	# author: terry, ben
	# tested GNU bash, version 3.2.57(1)-release (x86_64-apple-darwin14)
	# FYR (for Mac OS, may need some change for linux)
	# second -> ISO8601
	date -u -r 1453951368 +%FT%TZ
	## ouptput: 2016-01-28T03:22:48Z
	# ISO8601 -> second
	date -ju -f "%FT%TZ" 2016-01-28T03:22:48Z +%s
	## output: 1453951368

forthxu / subdomains.txt

Created May 15, 2020 01:48

常见子域名，用于蛮力查找

forthxu / openssl-self-signed-certs-cheatsheet.md

Created July 16, 2019 07:54

Create self-signed certificates with OpenSSL

$ openssl genrsa -des3 -out root.key 4096

forthxu / btc.protocol

Created September 26, 2018 02:26

BTC和USDT(OMNI)转账协议分析

	--------------------
	--------------------
	交易：a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d
	raw: https://btc.com/a1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d.rawhex

	01 加锁数量

	输出脚本:
	0010a5d4e8000000 小头，八字节，转出数量 10000.00000000
	19 脚本长度

forthxu / bqt.sol

Created June 20, 2018 07:14

Created using remix-ide: Realtime Ethereum Contract Compiler and Runtime. Load this file by pasting this gists URL or ID at https://remix.ethereum.org/#version=soljson-v0.4.24+commit.e67f0147.js&optimize=false&gist=

	pragma solidity ^0.4.23;

	/**
	* @title ERC20 interface
	*/
	contract ERC20 {
	function totalSupply()
	public view returns (uint256);

	function balanceOf(address who)

forthxu / erc20.sol

Created March 27, 2018 06:27

erc20

	pragma solidity 0.4.16;

	interface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) public; }

	/**
	* owned 是一个管理者
	*/
	contract owned {
	address public owner;

forthxu / Keccak256.php

Created March 7, 2018 09:14

ethereum Keccak256(sha3-256),erc20,erc223,erc721

	<?php
	/**
	* @copyright Bruno Bierbaumer, Vladimir Vyatkin
	* @see https://github.com/0xbb/php-sha3
	*/
	namespace Keccak;

	final class Keccak256
	{
	const KECCAK_ROUNDS = 24;

forthxu / BatchProcessingMysqlTable.sh

Created December 6, 2017 03:32

批量处理mysql数据表

	#!/bin/bash
	tables=`mysql -uroot jipai -e "select table_name from information_schema.tables where table_schema='jipai' and table_type='base table';" --batch --raw --skip-column-names`
	for table in ${tables[@]}
	do
	echo ${table}, `mysql -uroot jipai -e "select count(*) from ${table};" --skip-column-names`
	done