zbxcat/api.py

126 lines
4.9 KiB
Python

import zXcat
import bXcat
from xcat import *
print("Starting test of xcat...")
def get_initiator_addresses():
baddr = bXcat.new_bitcoin_addr()
zaddr = zXcat.new_zcash_addr()
# print("type baddr", type(baddr))
# print("type baddr", type(baddr.to_scriptPubKey()))
return {'bitcoin': baddr.__str__(), 'zcash': zaddr.__str__()}
# return {'bitcoin': 'myfFr5twPYNwgeXyjCmGcrzXtCmfmWXKYp', 'zcash': 'tmFRXyju7ANM7A9mg75ZjyhFW1UJEhUPwfQ'}
def get_fulfiller_addresses():
baddr = bXcat.new_bitcoin_addr()
zaddr = zXcat.new_zcash_addr()
return {'bitcoin': baddr.__str__(), 'zcash': zaddr.__str__()}
# return {'bitcoin': 'myfFr5twPYNwgeXyjCmGcrzXtCmfmWXKYp', 'zcash': 'tmFRXyju7ANM7A9mg75ZjyhFW1UJEhUPwfQ'}
# return {'bitcoin': 'mrQzUGU1dwsWRx5gsKKSDPNtrsP65vCA3Z', 'zcash': 'tmTjZSg4pX2Us6V5HttiwFZwj464fD2ZgpY'}
def initiate():
print("SELLER FUNDING SELL CONTRACT")
print("============================")
trade = Trade()
# Get amounts
amounts = {"sell": {"currency": "zcash", "amount": "0.01"}, "buy": {"currency": "bitcoin", "amount": "1.12"}}
sell = amounts['sell']
buy = amounts['buy']
sell_currency = sell['currency']
buy_currency = buy['currency']
# Get addresses
init_addrs = get_initiator_addresses()
sell['initiator'] = init_addrs[sell_currency]
buy['initiator'] = init_addrs[buy_currency]
fulfill_addrs = get_fulfiller_addresses()
sell['fulfiller'] = fulfill_addrs[sell_currency]
buy['fulfiller'] = fulfill_addrs[buy_currency]
# initializing contract classes with addresses, currencies, and amounts
trade.sellContract = Contract(sell)
trade.buyContract = Contract(buy)
print(trade.sellContract.__dict__)
print(trade.buyContract.__dict__)
secret = generate_password()
print("Generating secret to lock funds:", secret)
save_secret(secret)
# TODO: Implement locktimes and mock block passage of time
seller_locktime = 6 # Must be more than buyer_locktime, so that seller reveal secret before their own locktime
buyer_locktime = 3
create_sell_p2sh(trade, secret, seller_locktime)
txid = fund_sell_contract(trade)
print("Sent fund tx of sell contract:", txid)
create_buy_p2sh(trade, secret, buyer_locktime)
save(trade)
return trade
# buyer checks that seller funded the sell contract, and if so funds the buy contract
def fund_buyer():
print("BUYER FUNDING BUY CONTRACT")
print("==========================")
trade = get_trade()
buy = trade.buyContract
sell = trade.sellContract
# buy_p2sh_balance = check_p2sh(buy.currency, buy.p2sh)
sell_p2sh_balance = check_p2sh(sell.currency, sell.p2sh)
if (sell_p2sh_balance < float(sell.amount)):
raise ValueError("Sell p2sh not funded, buyer cannot redeem")
print("Seller has deposited funds, so funding the buy contract:")
txid = fund_buy_contract(trade)
print("Buyer Fund tx txid:", txid)
def redeem_seller():
trade = get_trade()
print(trade)
print("SELLER REDEEMING BUY CONTRACT")
print("=============================")
buy = trade.buyContract
print(buy)
# if trade.sellContract.get_status() == 'redeemed':
# raise RuntimeError("Sell contract status was already redeemed before seller could redeem buyer's tx")
#else:
secret = get_secret() # Just the seller getting his local copy of the secret
print("SELLER SECRET IN TEST:", secret)
txid = redeem_p2sh(trade.buyContract, secret, trade.sellContract)
setattr(trade.buyContract, 'redeem_tx', txid)
save(trade)
def redeem_buyer():
print("BUYER REDEEMING SELL CONTRACT")
print("=============================")
trade = get_trade()
buyContract = trade.buyContract
sellContract = trade.sellContract
secret = ""
# if sellContract.get_status() == 'redeemed':
# raise RuntimeError("Sell contract was redeemed before buyer could retrieve funds")
# elif buyContract.get_status() == 'refunded':
# print("buyContract was refunded to buyer")
# else:
# Buy contract is where seller disclosed secret in redeeming
if buyContract.currency == 'bitcoin':
if (bXcat.still_locked(buyContract)):
if(not hasattr(buyContract,'fund_tx')):
print("Seems address has not been funded yet. Aborting.")
quit()
secret = bXcat.find_secret(buyContract.p2sh,buyContract.fund_tx)
if(secret != ""):
print("Found secret in seller's redeem tx on bitcoin chain:", secret)
else:
if zXcat.still_locked(buyContract):
secret = zXcat.find_secret(buyContract.p2sh,buyContract.fund_tx)
if(secret != ""):
print("Found secret in seller's redeem tx on zcash chain:", secret)
redeem_tx = redeem_p2sh(sellContract, secret, buyContract)
setattr(trade.sellContract, 'redeem_tx', redeem_tx)
save(trade)
def generate_blocks(num):
bXcat.generate(num)
zXcat.generate(num)