icook

icook

Acting as your own Certificate authority

For securing internal services, acting as your own CA can be very convenient. Buying a wildcard SSL cert might be too expensive, or your internal services span multiple domains, etc. A lot of people will simply use self signed certs, which are definitely better than nothing, but leave you open to MITM attacks and require clicking through warning screens frequently.

By acting as your own CA internal services can be tightly secured by requiring

icook

icook

blocks = list of all the blocks in the current chain
fork_number = the block height we'll fork to new adjustment algorithm at

coins_distributed = 0
for block in blocks:
    # This block template doesn't have subsidy information, IE, we don't know
    # how much was paid out in the coinbase
    if block.height < fork_number:
        # using the regular subsidy adjustment schedule and determine what the coinbase would have been at this height
        coins_distributed += subsidy for this block

icook

# Easy alias for switching to perform actions as another
# user, even if they have no login shell
as_other() {
    pushd `eval echo ~$1`
    sudo -H -u $1 -s /bin/bash
    popd
}
alias as=as_other

icook

from multiprocessing import Pool
from vtc_scrypt import getPoWHash
from time import sleep

import gevent
import os
import time

def f(x):
    return getPoWHash(x)

icook

"""
A simple demo for using https://chain.so/api#realtime-balance-updates with Python.

Install my fork of pusherclient with:
pip install git+https://github.com/icook/PythonPusherClient.git
"""
import pusherclient
import time
import json
import pprint

icook

Cryptocurrency is powerful because it gives you complete control over your money, but this also puts the responsibility of proper security and procedures completely with you. As part of SimpleCrypto's goal of advancing cryptocurrency accessibility we've put together an educational article on how to properly secure your wallets and ensure that your funds are safe at all times.

Which wallet?

All cryptocurrencies use a "wallet" of some kind. A wallet is a program that allows you to send and recieve cryptocurrency. Well established currencies

icook

+@manager.command
+def fix_credits():
+    from simplecoin.models import CreditExchange
+    credit_table = Credit.__table__
+    credit_exc_table = CreditExchange.__table__
+    for credit in Credit.query.options(db.joinedload('block')).order_by(Credit.id):
+        correct = 1
+        if credit.block and credit.block.currency == credit.currency:
+            correct = 0
+

icook

diff --git a/manage.py b/manage.py
index 1619883..ad70f5b 100755
--- a/manage.py
+++ b/manage.py
@@ -9,7 +9,7 @@ from flask.ext.migrate import MigrateCommand
 
 from simplecoin import create_manage_app, db, currencies, powerpools
 from simplecoin.scheduler import SchedulerCommand
-from simplecoin.models import Transaction, UserSettings, Credit, ShareSlice, DeviceSlice
+from simplecoin.models import Transaction, UserSettings, Credit, ShareSlice, DeviceSlice, Block