75 lines
1.7 KiB
Python
75 lines
1.7 KiB
Python
import hashlib
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import json
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import random
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import binascii
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def b(string):
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"""Convert a string to bytes"""
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return str.encode(string)
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def x(h):
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"""Convert a hex string to bytes"""
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return binascii.unhexlify(h.encode('utf8'))
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def b2x(b):
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"""Convert bytes to a hex string"""
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return binascii.hexlify(b).decode('utf8')
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def x2s(hexstring):
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"""Convert hex to a utf-8 string"""
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return binascii.unhexlify(hexstring).decode('utf-8')
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def s2x(string):
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"""Convert a utf-8 string to hex"""
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return b2x(b(string))
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######################
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def sha256(secret):
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preimage = secret.encode('utf8')
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h = hashlib.sha256(preimage).digest()
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return h
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def generate_password():
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s = "abcdefghijklmnopqrstuvwxyz01234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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passlen = 8
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p = "".join(random.sample(s,passlen))
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return p
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# TODO: Port these over to leveldb or some other database
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def save_trade(trade):
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with open('xcat.json', 'w') as outfile:
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json.dump(trade, outfile)
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def get_trade():
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with open('xcat.json') as data_file:
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try:
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xcatdb = json.load(data_file)
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return xcatdb
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except:
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return None
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def erase_trade():
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with open('xcat.json', 'w') as outfile:
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outfile.write('')
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# caching the secret locally for now...
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def get_secret():
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with open('secret.json') as data_file:
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for line in data_file:
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return line.strip('\n')
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def save_secret(secret):
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with open('secret.json', 'w') as outfile:
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outfile.write(secret)
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def save(trade):
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print("Saving trade")
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trade = {
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'sell': trade.sellContract.__dict__,
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'buy': trade.buyContract.__dict__
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}
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save_trade(trade)
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