alexanderattar

const ethers = require('ethers')

const standardPath = "m/44'/60'/0'/0";
const activeIndex = 0;

function generatePath(index) {
  const path = `${standardPath}/${index}`;
  return path;
}

alexanderattar

package main

import (
  "log"
  "fmt"
  "encoding/json"
)

func main() {
  b := []byte(`{"name": "tom", "favNum": 6, "interests": ["knives", "computers"], "usernames": {"github": "TomNomNom", "twitter": "@TomNomNom"}}`)

alexanderattar

# Redis Cheatsheet
# All the commands you need to know


redis-server /path/redis.conf  # start redis with the related configuration file
redis-cli                      # opens a redis prompt


# Strings.

alexanderattar

I couldn't find a good explanation of each step of signTypedData EIP with examples of inputs and outputs at each step. I wanted this so I could keep track.

Say this is our private key

const privKey = new Buffer(
  "c87509a1c067bbde78beb793e6fa76530b6382a4c0241e5e4a9ec0a0f44dc0d3",
  "hex"
);

alexanderattar

package main

import (
	"database/sql"
	"errors"
	"fmt"
	_ "github.com/bmizerany/pq"
	"os"
	"regexp"
	"strings"

alexanderattar

How to update the Go version

System: Mac OS Sierra (10.12.6)

1. Uninstall the exisiting version

As mentioned here, to update a go version you will first need to uninstall the original version.

To uninstall, delete the /usr/local/go directory by:

alexanderattar

// Report on "stuck" ether in empty contracts
// https://github.com/ethereum/EIPs/issues/156

// Usage: node find-stuck-ether.js [startBlock] [endBlock] > report.txt

let Eth = require('ethjs');
let eth = new Eth(new Eth.HttpProvider('http://localhost:8545'));
let ethutil = require('ethereumjs-util')

async function main() {

alexanderattar

layout	title	description	tags
default	SQL Style Guide	A guide to writing clean, clear, and consistent SQL.	data process

Purpose

alexanderattar

The standard names for indexes in PostgreSQL are:

{tablename}_{columnname(s)}_{suffix}

where the suffix is one of the following:

• pkey for a Primary Key constraint;
• key for a Unique constraint;
• excl for an Exclusion constraint;
• idx for any other kind of index;

alexanderattar

Using MongoDB in golang with mgo