epogrebnyak

Value what

Adapted from Blockchain revolution:

1. cryptocurrencies (BTC)
2. platforms/smart contracts (ERC-20 + Cosmos, Aion, ICON)
3. work/utility token (FileCoin, Golem) + via Selkix

• “securitized” computing resources

whoisryosuke

class NameForm extends React.Component {
  constructor(props) {
    super(props);
    this.state = { name: '' };
  }

  handleChange = (event) => {
    this.setState({[event.target.name]: event.target.value});
  }

rhlsthrm

pragma solidity ^0.4.23;

import "./HumanStandardToken.sol";

import "../../LedgerChannel.sol";

contract ReentrancyToken is HumanStandardToken {
    LedgerChannel ledgerChannel;
    uint256 constant MAX_REENTRIES = 5;
    uint256 numReentries = 0;

npearce

UPDATE (March 2020, thanks @ic): I don't know the exact AMI version but yum install docker now works on the latest Amazon Linux 2. The instructions below may still be relevant depending on the vintage AMI you are using.

Amazon changed the install in Linux 2. One no-longer using 'yum' See: https://aws.amazon.com/amazon-linux-2/release-notes/

Docker CE Install

sudo amazon-linux-extras install docker
sudo service docker start

mathben

#!/usr/bin/env bash

# French Guide : https://github.com/FredBezies/arch-tuto-installation
# Install ARCH Linux with UEFI
# The official installation guide (https://wiki.archlinux.org/index.php/Installation_Guide) contains a more verbose description.

# Download the archiso image from https://www.archlinux.org/
# Copy to a usb-drive
dd if=archlinux.img of=/dev/sdX bs=16M status=progress && sync # on linux

benjiqq

trading broker spec

proposal version 0.01 this is a rough spec for what a client-side trading infrastructure expects from an interface. There should be a client-side wrapper matching the hosts API. we ignore funding requests here (deposit/withdraw)

Wrapper API

private

gluk64

// This is universal, works with Infura -- set provider accordingly

const ethers = require('ethers')
//const provider = ethers.getDefaultProvider('rinkeby')
const provider = new ethers.providers.JsonRpcProvider(process.env.WEB3_URL)

function hex_to_ascii(str1) {
	var hex  = str1.toString();
	var str = '';
	for (var n = 0; n < hex.length; n += 2) {

ageis

#!/bin/bash
# ~/.bashrc: executed by bash(1) for non-login shells.
# kevin gallagher (@ageis) <kevingallagher@gmail.com>
# normally I divide this into separate files: .bashrc, .bash_profile, .bash_aliases and .bash_functions (also .bash_logout), but it's all concatenated here.

ulimit -s unlimited
export MYUID=$(id -u)
export USER="$(id -un)"

if [[ "$TILIX_ID" ]] || [[ "$VTE_VERSION" ]]; then

JeffBelback

function diff-branch()  {
  if [ -z $1 ]; then
    echo please provide an branch
    read WORKBRANCH
  else
    WORKBRANCH=$1
  fi

  if [ -z $2 ]; then
    STABLEBRANCH='master'

MosheStauber

import json
import os
from collections import defaultdict
from json import JSONDecodeError
from pprint import pprint
from typing import Dict, Union, List

import requests
from bs4 import BeautifulSoup