Allan MacGregor amacgregor

Effective Engineer - Notes

	INFO [12-22\|17:07:55] Updated mining threads threads=0
	INFO [12-22\|17:07:55] Transaction pool price threshold updated price=18000000000
	INFO [12-22\|17:07:55] Starting mining operation
	INFO [12-22\|17:07:55] Commit new mining work number=1 txs=0 uncles=0 elapsed=981.307µs
	INFO [12-22\|17:07:57] Generating DAG in progress epoch=0 percentage=0 elapsed=577.592ms
	INFO [12-22\|17:07:57] Generating DAG in progress epoch=0 percentage=1 elapsed=1.168s
	INFO [12-22\|17:07:58] Generating DAG in progress epoch=0 percentage=2 elapsed=1.985s
	INFO [12-22\|17:07:59] Generating DAG in progress epoch=0 percentage=3 elapsed=2.586s

	WARN [12-22\|16:10:27] No etherbase set and no accounts found as default
	INFO [12-22\|16:10:27] Starting peer-to-peer node instance=Geth/HeroNode1/v1.7.3-stable/darwin-amd64/go1.9.2
	INFO [12-22\|16:10:27] Allocated cache and file handles database=/Users/.../ethereum_0hero/TestNetData/geth/chaindata cache=128 handles=1024
	INFO [12-22\|16:10:27] Initialised chain configuration config="{ChainID: 24 Homestead: 0 DAO: <nil> DAOSupport: false EIP150: <nil> EIP155: 0 EIP158: 0 Byzantium: <nil> Engine: unknown}"
	INFO [12-22\|16:10:27] Disk storage enabled for ethash caches dir=/Users/.../ethereum_0hero/TestNetData/geth/ethash count=3
	INFO [12-22\|16:10:27] Disk storage enabled for ethash DAGs dir=/Users/.../.ethash count=2
	INFO [12-22\|16:10:27] Initialising Ethereum protocol versions="[63 62]" network=24
	INFO [12-22\|16:10:27] Loaded most recent local header number=0 hash=6231b0…a0300b td=1024
	INFO [12-22\|16:10:27] Loaded mo

	WARN [12-22\|15:32:55] No etherbase set and no accounts found as default
	INFO [12-22\|15:32:55] Allocated cache and file handles database=/Users/.../ethereum_0hero/TestNetData/geth/chaindata cache=16 handles=16
	INFO [12-22\|15:32:55] Writing custom genesis block
	INFO [12-22\|15:32:55] Successfully wrote genesis state database=chaindata hash=6231b0…a0300b
	INFO [12-22\|15:32:55] Allocated cache and file handles database=/Users/.../ethereum_0hero/TestNetData/geth/lightchaindata cache=16 handles=16
	INFO [12-22\|15:32:55] Writing custom genesis block
	INFO [12-22\|15:32:55] Successfully wrote genesis state database=lightchaindata hash=6231b0…a0300b

	Geth
	Version: 1.7.3-stable
	Architecture: amd64
	Protocol Versions: [63 62]
	Network Id: 1
	Go Version: go1.9.2
	Operating System: darwin
	GOPATH=
	GOROOT=/usr/local/Cellar/go/1.9.2/libexec

	// https://github.com/ethereum/EIPs/issues/20
	contract ERC20 {
	function totalSupply() constant returns (uint totalSupply);
	function balanceOf(address _owner) constant returns (uint balance);
	function transfer(address _to, uint _value) returns (bool success);
	function transferFrom(address _from, address _to, uint _value) returns (bool success);
	function approve(address _spender, uint _value) returns (bool success);
	function allowance(address _owner, address _spender) constant returns (uint remaining);
	event Transfer(address indexed _from, address indexed _to, uint _value);
	event Approval(address indexed _owner, address indexed _spender, uint _value);

	pragma solidity ^0.4.18;

	contract HeroToken {
	/* This creates an array with all balances */
	mapping (address => uint256) public balanceOf;

	/* Initializes contract with initial supply tokens to the creator of the contract */
	function HeroToken(
	uint256 initialSupply
	) public {

	<?php

	class StockItem {

	private $quantity;
	private $status;

	public function __construct($quantity, $status){
	$this->quantity = $quantity;
	$this->status = $status;