def place_order(self,
order_info: models.OrderInfo,
account=None) -> "order id":
account = account or self.web3.eth.defaultAccount
event_filter = self.contract.eventFilter('OrderInitiated',
{'filter': {
'from': account
}})
offered_price = self.ONE_ETH_IN_WEI * order_info.value
transaction = {'value': offered_price, 'from': account}
tx_hash = self.contract.functions.placeOrder(
order_info.desc_hash, order_info.buyer_rsa_pubkey,
order_info.seller, order_info.proxy, order_info.secondary_proxy,
order_info.proxy_value,
order_info.time_allowed).transact(transaction)
logging.debug(
"Thank you for using CPChain! Initiated Tx hash {tx}".format(
tx=tx_hash))
wait_for_transaction_receipt(self.web3, tx_hash)
order_event_list = event_filter.get_new_entries()
if len(order_event_list) == 0:
order_id = -1
else:
order_id = order_event_list[0]['args']['orderId']
logging.debug("TransactionID: {:d}".format(order_id))
return order_id
def dispute(self, order_id, account=None):
account = account or self.web3.eth.defaultAccount
transaction = {'value': 0, 'from': account}
tx_hash = self.contract.transact(transaction).buyerDispute(order_id)
logging.debug(
"You have started a dispute! Tx hash {tx}".format(tx=tx_hash))
wait_for_transaction_receipt(self.web3, tx_hash)
return tx_hash
def confirm_order(self, order_id, account=None):
account = account or self.web3.eth.defaultAccount
transaction = {'value': 0, 'from': account}
tx_hash = self.contract.transact(transaction).confirmDeliver(order_id)
logging.debug("Thank you for confirming deliver! Tx hash {tx}".format(
tx=tx_hash))
wait_for_transaction_receipt(self.web3, tx_hash)
return tx_hash
def withdraw_order(self, order_id, account=None):
account = account or self.web3.eth.defaultAccount
transaction = {'value': 0, 'from': account}
tx_hash = self.contract.transact(transaction).buyerWithdraw(order_id)
logging.debug(
"Thank you for your using! Order is withdrawn, Tx hash {tx}".
format(tx=tx_hash))
wait_for_transaction_receipt(self.web3, tx_hash)
return tx_hash
def claim_timeout(self, order_id, account=None):
account = account or self.web3.eth.defaultAccount
transaction = {'value': 0, 'from': account}
tx_hash = self.contract.transact(transaction).sellerClaimTimedOut(
order_id)
logging.debug(
"Your money is claimed because of time out! Tx hash {tx}".format(
tx=tx_hash))
wait_for_transaction_receipt(self.web3, tx_hash)
return tx_hash
def handle_dispute(self, order_id, result, account=None):
account = account or self.web3.eth.defaultAccount
transaction = {'value': 0, 'from': account}
tx_hash = self.contract.transact(transaction).proxyJudge(
order_id, result)
logging.debug(
"You have submit the result for dispute on CPChain! Tx hash {tx}".
format(tx=tx_hash))
wait_for_transaction_receipt(self.web3, tx_hash)
return tx_hash
def claim_relay(self, order_id, relay_hash, account=None):
account = account or self.web3.eth.defaultAccount
transaction = {'value': 0, 'from': account}
tx_hash = self.contract.transact(transaction).deliverMsg(
relay_hash, order_id)
logging.debug(
"You have registered relay of file on CPChain! Tx hash {tx}".
format(tx=tx_hash))
wait_for_transaction_receipt(self.web3, tx_hash)
return tx_hash
def get_order_num(self) -> "number of orders":
order_num = self.contract.call().numOrders()
logging.debug("Total number of orders: {:d}\n".format(order_num))
return order_num
def query_order(self, order_id) -> models.OrderInfo:
order_record = self.contract.call().orderRecords(order_id)
logging.debug("Order record NO.{:d}: {record}\n".format(
order_id, record=order_record))
return order_record