Modify checktrade for tests
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@ -74,6 +74,8 @@ def hashtimelockcontract(funder, redeemer, commitment, locktime):
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def fund_htlc(p2sh, amount):
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send_amount = float(amount) * COIN
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fund_txid = bitcoind.sendtoaddress(p2sh, send_amount)
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# Import address at same time that you fund it
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bitcoind.importaddress(p2sh, "", False)
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txid = b2x(lx(b2x(fund_txid)))
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return txid
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63
xcat/cli.py
63
xcat/cli.py
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@ -15,6 +15,7 @@ def save_state(trade, tradeid):
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def checkSellStatus(tradeid):
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trade = db.get(tradeid)
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if trade.buy.get_status() == 'funded':
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input("Authorize retrieve secret:")
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secret = get_secret()
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print("SECRET found in checksellactions", secret)
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trade = seller_redeem_p2sh(trade, secret)
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@ -28,22 +29,24 @@ def checkSellStatus(tradeid):
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# TODO: function to calculate appropriate locktimes between chains
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def checkBuyStatus(tradeid):
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trade = db.get(tradeid)
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if trade.sell.get_status() == 'funded' and trade.buy.get_status() != 'redeemed':
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if trade.sell.get_status() == 'redeemed' and trade.buy.get_status() == 'redeemed':
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print("This trade is complete, both sides redeemed.")
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elif trade.sell.get_status() == 'funded' and trade.buy.get_status() != 'redeemed':
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print("One active trade available, fulfilling buyer contract...")
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# they should calculate redeemScript for themselves
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print("Trade commitment", trade.commitment)
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# TODO: which block to start computation from?
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htlc = create_htlc(trade.buy.currency, trade.buy.fulfiller, trade.buy.initiator, trade.commitment, trade.buy.locktime)
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buyer_p2sh = htlc['p2sh']
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print("Buyer p2sh:", buyer_p2sh)
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# htlc = create_htlc(trade.buy.currency, trade.buy.fulfiller, trade.buy.initiator, trade.commitment, trade.buy.locktime)
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# buyer_p2sh = htlc['p2sh']
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# print("Buyer p2sh:", buyer_p2sh)
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# If the two p2sh match...
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if buyer_p2sh == trade.buy.p2sh:
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# if buyer_p2sh == trade.buy.p2sh:
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fund_tx = fund_contract(trade.buy)
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trade.buy.fund_tx = fund_tx
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print("trade buy with redeemscript?", trade.buy.__dict__)
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save_state(trade, tradeid)
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else:
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print("Compiled p2sh for htlc does not match what seller sent.")
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# else:
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# print("Compiled p2sh for htlc does not match what seller sent.")
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elif trade.buy.get_status() == 'redeemed':
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# TODO: secret parsing
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# secret = parse_secret(trade.buy.currency, trade.buy.redeem_tx)
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@ -56,7 +59,7 @@ def checkBuyStatus(tradeid):
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# Import a trade in hex, and save to db
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def importtrade(hexstr):
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trade = x2s(hexstr)
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trade = instantiateTrade(ast.literal_eval(trade))
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trade = db.instantiate(trade)
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save_state(trade)
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# Export a trade by its tradeid
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@ -67,10 +70,27 @@ def exporttrade(tradeid):
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print(trade)
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print(hexstr)
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def findtrade(key):
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trade = db.get(key)
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def findtrade(tradeid):
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trade = db.get(tradeid)
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print(trade)
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def checktrade(tradeid):
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print("In checktrade")
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trade = db.get(tradeid)
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if find_role(trade.sell) == 'test':
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input("Is this a test? Both buyer and seller addresses are yours, press 'enter' to test.")
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checkBuyStatus(tradeid)
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checkSellStatus(tradeid)
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checkBuyStatus(tradeid)
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elif find_role(trade.sell) == 'initiator':
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print("You are the seller in this trade.")
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role = 'seller'
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checkSellStatus(tradeid)
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else:
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print("You are the buyer in this trade.")
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role = 'buyer'
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checkBuyStatus(tradeid)
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def newtrade(tradeid):
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erase_trade()
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role = 'seller'
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@ -80,18 +100,15 @@ def newtrade(tradeid):
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# db.create(trade)
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save_state(trade, tradeid)
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def instantiateTrade(trade):
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return Trade(buy=Contract(trade['buy']), sell=Contract(trade['sell']))
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def main():
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parser = argparse.ArgumentParser(formatter_class=argparse.RawTextHelpFormatter,
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description=textwrap.dedent('''\
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== Trades ==
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newtrade - create a new trade
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checktrades - check for actions to be taken on existing trades
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newtrade "tradeid" - create a new trade
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checktrade "tradeid"- check for actions to be taken on an existing trade
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importtrade "hexstr" - import an existing trade from a hex string
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exporttrade - export the data of an existing trade as a hex string. Takes the tradeid as an argument
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findtrade - find a trade by the txid of the currency being traded out of
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exporttrade "tradeid" - export the data of an existing trade as a hex string. Takes the tradeid as an argument
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findtrade "tradeid" - find a trade by the tradeid
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'''))
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parser.add_argument("command", action="store", help="list commands")
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@ -113,15 +130,9 @@ def main():
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print("Finding trade")
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key = args.argument[0]
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findtrade(key)
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elif command == 'checktrades':
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trade = get_trade()
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trade = instantiateTrade(trade)
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if find_role(trade.sell) == 'initiator':
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role = 'seller'
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checkSellStatus(trade)
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else:
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role = 'buyer'
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checkBuyStatus(trade)
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elif command == 'checktrade':
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tradeid = args.argument[0]
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checktrade(tradeid)
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elif command == 'newtrade':
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print("in new trade")
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try:
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@ -32,19 +32,16 @@ def get(txid):
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def instantiate(trade):
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if type(trade) == str:
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print(type(trade))
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tradestr = json.loads(trade)
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print(tradestr)
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trade = Trade(buy=Contract(tradestr['buy']), sell=Contract(tradestr['sell']), commitment=tradestr['commitment'])
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print(trade)
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return trade
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# db.delete(b'hello')
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testtrade = get('test')
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testtrade = instantiate(testtrade)
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print(testtrade)
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# testtrade = get('test')
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# testtrade = instantiate(testtrade)
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# print(testtrade)
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# hexstr = get(txid)
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# print(x2s(hexstr))
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@ -1,5 +1,7 @@
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import hashlib, json, random, binascii
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import xcat.trades as trades
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import xcat.bitcoinRPC as bitcoinRPC
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import xcat.zcashRPC as zcashRPC
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############################################
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########### Data conversion utils ##########
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@ -41,16 +43,18 @@ def jsonformat(trade):
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############################################
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def find_role(contract):
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# Obviously when regtest created both addrs on same machine, role is both.
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if parse_addrs(contract.initiator):
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if is_myaddr(contract.initiator) and is_myaddr(contract.fulfiller):
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return 'test'
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elif is_myaddr(contract.initiator):
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return 'initiator'
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else:
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return 'fulfiller'
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def parse_addrs(address):
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def is_myaddr(address):
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if address[:1] == 'm':
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status = bXcat.validateaddress(address)
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status = bitcoinRPC.validateaddress(address)
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else:
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status = zXcat.validateaddress(address)
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status = zcashRPC.validateaddress(address)
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status = status['ismine']
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print("Address {0} is mine: {1}".format(address, status))
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return status
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@ -64,6 +64,8 @@ def hashtimelockcontract(funder, redeemer, commitment, locktime):
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def fund_htlc(p2sh, amount):
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send_amount = float(amount)*COIN
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fund_txid = zcashd.sendtoaddress(p2sh, send_amount)
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# Import addr at same time as you fund
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zcashd.importaddress(p2sh, "", False)
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txid = b2x(lx(b2x(fund_txid)))
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return txid
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