I hereby claim:
- I am aunyks on github.
- I am aunyks (https://keybase.io/aunyks) on keybase.
- I have a public key ASAWNctls7QnuFFYVuFN75adE6m5sj8EFb5B0OfVMb2Fngo
To claim this, I am signing this object:
// Grabbed from: https://github.com/ethereum/EIPs/issues/20 | |
contract ERC20 { | |
function totalSupply() constant returns (uint theTotalSupply); | |
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); |
contract MyERCToken { | |
// In this case, the total supply | |
// of MyERCToken is fixed, but | |
// it can very much be changed | |
uint256 _totalSupply = 1000000; | |
function totalSupply() constant returns (uint256 theTotalSupply) { | |
// Because our function signature | |
// states that the returning variable | |
// is "theTotalSupply", we'll just set that variable |
contract MyERCToken { | |
mapping(address => uint256) balances; | |
// Note: This function returns a boolean value | |
// indicating whether the transfer was successful | |
function transfer(address _to, uint256 _amount) returns (bool success) { | |
// If the sender has sufficient funds to send | |
// and the amount is not zero, then send to | |
// the given address | |
if (balances[msg.sender] >= _amount |
contract MyERCToken { | |
// Create a table so that we can map | |
// the addresses of contract owners to | |
// those who are allowed to utilize the owner's contract | |
mapping(address => mapping (address => uint256)) allowed; | |
function approve(address _spender, uint256 _amount) returns (bool success) { | |
allowed[msg.sender][_spender] = _amount; | |
// Fire the event "Approval" to execute any logic | |
// that was listening to it |
0x721Bf4E86Cd05bac632A5B2Efa8fB4A9687e0C9E |
[ | |
{ | |
"constant": false, | |
"inputs": [ | |
{ | |
"name": "addr", | |
"type": "address" | |
} | |
], | |
"name": "getSnippet", |
contract MyERCToken { | |
mapping(address => uint256) balances; | |
function transferFrom(address _from, address _to, uint256 _amount) returns (bool success) { | |
if (balances[_from] >= _amount | |
&& allowed[_from][msg.sender] >= _amount | |
&& _amount > 0 | |
&& balances[_to] + _amount > balances[_to]) { | |
balances[_from] -= _amount; | |
balances[_to] += _amount; |
I hereby claim:
To claim this, I am signing this object:
import datetime | |
import json | |
import requests | |
def unix_to_date(unix_int): | |
if type(unix_int) == type(''): | |
return datetime.datetime.fromtimestamp(int(unix_int)).strftime('%Y-%m-%d %H:%M:%S') | |
elif type(unix_int) == type(0): | |
return datetime.datetime.fromtimestamp(unix_int).strftime('%Y-%m-%d %H:%M:%S') | |
else: |
def to_bin(n): | |
return bin(n)[2:] if n >= 0 else bin(n)[3:] | |
def to_int(b): | |
return int(b, 2) | |
def ones_complement(b): | |
return b.replace('1', '2').replace('0', '1').replace('2', '0') | |
def twos_complement(b): |