nathan-websculpt

// SPDX-License-Identifier: GPL-3.0

pragma solidity >=0.7.0 <0.9.0;
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/release-v4.3/contracts/security/ReentrancyGuard.sol";

contract Attackee is ReentrancyGuard {
    
    mapping(address => uint) public attackeeBalances; 
    
    function depositIntoAttackee() external payable {

RubenSomsen

Blind Merged Mining with covenants ( sighash_anyprevout / op_ctv )

Update: the content of this gist is also explained in this Spacechains video.

This write-up was also published on bitcoin-dev.

Blind Merged Mining (BMM) is the idea of committing the hash of another blockchain into a unique location on the Bitcoin blockchain, and paying a Bitcoin fee to miners for the privilege of deciding this hash and capturing the fees inside the other blockchain. Since miners don’t have to know what the hash represents and are simply incentivized to choose the highest bidder, it requires no extra validation on their part (“blind”). This idea was originally conceived of by Paul Sztorc, but required a specific soft fork. [0]

In essence, BMM is a mechanism that allows external blockchains (altcoins, tokens) to outsource their mining to the Bitcoin blockchain. Instead of burning electricity with ASICs, th

tpmccallum

//Mozilla Public License 2.0 
//As per https://github.com/ethereumjs/ethereumjs-vm/blob/master/LICENSE
//Requires the following packages to run as nodejs file https://gist.github.com/tpmccallum/0e58fc4ba9061a2e634b7a877e60143a

//Getting the requirements
var Trie = require('merkle-patricia-tree/secure');
var levelup = require('levelup');
var leveldown = require('leveldown');
var utils = require('ethereumjs-util');

linkerlin

package main

import (
	"bytes"
	"encoding/binary"
	"os"
	"sync"
	"fmt"
	"math/rand"
	"path/filepath"

vs9390

package main

import (
	"github.com/syndtr/goleveldb/leveldb"
	"fmt"
	"encoding/binary"
	"github.com/ethereum/go-ethereum/core/types"
	"bytes"
	"github.com/ethereum/go-ethereum/rlp"
)

doitian

package main

import (
  "fmt"
  "crypto/hmac"
  "crypto/sha1"
  "crypto/aes"
  "crypto/cipher"
  "encoding/base64"
  "encoding/hex"

zz

#Shadowsocks服务端性能优化（CentOS6）

##ss加密算法 常用算法aes-256-cfb速度较慢，在路由器等arm平台表现不佳。 用于arm平台时，采用算法rc4-md5即可。 "method":"rc4-md5" 为加速加密速度，安装m2crypto

yum install m2crypto

nonoroazoro

On Error Resume Next

' 1. Change this to your Sublime Text file path.
path = "C:\Program Files\Sublime Text\sublime_text.exe"

' 2. Optional - Change keyboard shortcut here, for example: "F" if you like.
shortcut = "Q"

Sub ElevateUAC
    If Not WScript.Arguments.Named.Exists("elevated") Then

xiaolai

.markdown-here-wrapper {
  font-size: 16px;
  line-height: 1.8em;
  letter-spacing: 0.1em;
}


pre, code {
  font-size: 14px;
  font-family: Roboto, 'Courier New', Consolas, Inconsolata, Courier, monospace;

zhangyangjing

Installing collected packages: requests
#!/usr/bin/env python
# -*- coding: utf-8 -*-


import re
import requests

from datetime import datetime