Arachnid

// Copyright 2018 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of

Arachnid

from web3 import Web3, HTTPProvider

web3 = Web3(HTTPProvider("http://localhost:8545"))

PERCENTILE = 0.6
NUMBLOCKS = 43200
# NUMBLOCKS = 1000

def getMinGasPrice(block):
    minPrice = None

Arachnid

Install openssl with brew install openssl

Per https://solitum.net/openssl-os-x-el-capitan-and-brew/:

$ cd /usr/local/include
$ ln -s ../opt/openssl/include/openssl . 
$ cd /usr/local/lib
$ $ for i in ../opt/openssl/lib/lib*; do ln -vs $i .; done

Arachnid

Keybase proof

I hereby claim:

• I am arachnid on github.
• I am arachnid (https://keybase.io/arachnid) on keybase.
• I have a public key whose fingerprint is 01D0 4A62 A925 E4E6 9297 0628 A9C0 6CE2 FF8B 0A48

To claim this, I am signing this object:

Arachnid

pragma solidity ^0.4.10;

contract ENS {
    function owner(bytes32 node) constant returns (address);
}

contract Deed {
    address public owner;
    address public previousOwner;
}

Arachnid

// Example usage: `bumpGasPrice(web3.toWei(2, 'gwei'))`
function bumpGasPrice(minprice) {
    for(var i = 0; i < eth.accounts.length; i++) {
        var account = eth.accounts[i];
        var pending = txpool.content.pending[account];
        if(pending === undefined) continue;
        Object.keys(pending).forEach(function(nonce) {
            var tx = pending[nonce];
            var gasPrice = new BigNumber(tx.gasPrice.slice(2), 16);
            if(gasPrice < minprice) {

Arachnid

pragma solidity ^0.4.10;

import "IERC20Token.sol";

/**
 * The problem: Handing out tokens is problematic, because the receiving account
 * also needs enough ether to send a transaction transferring the tokens to the
 * user's account.
 * 
 * The solution: Send the tokens to a 'checking account'. The recipient of the

Arachnid

pragma solidity ^0.4.0;

import "SafeMath.sol";
import "IERC20Token.sol";

/**
 * @dev Implements a capped token sale using a second-price auction.
 * 
 * @author  Nick Johnson <arachnid@notdot.net>
 * 

Arachnid

from pyxdameraulevenshtein import damerau_levenshtein_distance
words = [line.strip().split(" ")[1] for line in open('wordlist.txt')]
out = []
for word in words:
  if len(out) >= 2148: break
  if len(word) < 4 or len(word) > 8: continue
  if len(out) > 0 and min(damerau_levenshtein_distance(x, word) for x in out) < 2: continue
  if any(x.startswith(word[:4]) for x in out): continue
  print word
  out.append(word)

Arachnid

pragma solidity ^0.4.0;

contract BadToken {
    mapping(address=>uint) public balances;
    
    function BadToken() payable {
        balances[msg.sender] = msg.value;
    }

    function transfer(address recipient, uint amount) {