def maketrade(pair, rate):
# parse the pair to determine the starting coin and ending coin
# the starting coin is the coin we're depositing to the exchange
# the ending coin is the coin we're receiving from the exchange
startingcoin = pair.split('_')[0]
endingcoin = pair.split('_')[1]
# initialize the crypto wrappers
startingwallet = electrumapi(startingcoin)
endingwallet = electrumapi(endingcoin)
# get the balace of the starting coin
startingcoinbalance = float(startingwallet.getbalance())
# only initiate a trade if funds are available and all of these funds are confirmed
if not startingcoinbalance:
print datetime.datetime.now(), ": No balance to trade!"
return False
# define withdrawal and return addresses
# the withdrawal address will be denominated in the ending coin
# the return address will be denominated in the starting coin
withdrawaladdress = endingwallet.getrxaddress()
returnaddress = startingwallet.getrxaddress()
# get a deposit address to send funds to
exchange = exchangeapi()
depositaddress = exchange.getdepositaddress(withdrawaladdress, pair, returnaddress)
# determine the amount to send
# take the balance and multiply it by the rate for that coin
# subtract fee amount
txamount = (startingcoinbalance * startingwallet.rate) - float(startingwallet.fee)
# log trade info
print "--------------------------------------"
print datetime.datetime.now()
print "Trade Pair:", pair
print "Withdrawal Address:", withdrawaladdress
print "Return Address:", returnaddress
print "Deposit Address:", depositaddress
print "Amount:", txamount
print "--------------------------------------"
# make and broadcast transaction
tx = startingwallet.mktx(depositaddress, txamount)
if tx:
jsontx = json.loads(tx)
finalresult = startingwallet.broadcast(jsontx['hex'])
# insert the trade into the database
datastore = ratedata()
datastore.tradeinsert(pair, rate, txamount, depositaddress, withdrawaladdress)
import time
import requests
from sqlite_class import ratedata
# setup db
datastore = ratedata()
# define api variables
base_url = "https://shapeshift.io"
pair = "btc_ltc"
apirate = "/rate/" + pair
while True:
try:
response = requests.get(base_url + apirate)
if response.status_code == 200:
content = response.json()
for key, value in content.iteritems():
if key == "rate":
datastore.rateinsert(pair,value)
time.sleep(59)
except:
pass
datastore.dataclose
