def test_sign_transaction(self):
pem = self.testdata.joinpath("keys", "alice.pem")
# With data
transaction = PlainTransaction()
transaction.nonce = 0
transaction.value = "0"
transaction.sender = "erd1l453hd0gt5gzdp7czpuall8ggt2dcv5zwmfdf3sd3lguxseux2fsmsgldz"
transaction.receiver = "erd188nydpkagtpwvfklkl2tn0w6g40zdxkwfgwpjqc2a2m2n7ne9g8q2t22sr"
transaction.gasPrice = 200000000000000
transaction.gasLimit = 500000000
transaction.data = "foo"
payload = TransactionPayloadToSign(transaction)
signature = signing.sign_transaction(payload, pem)
self.assertEqual("8e68002bdd45d04508b7325d1cab9195680acf03a4cd5cba23629a85074bf92a88275f1f2bc3c2bd19d8f5cd62bde83186d86932b04e0f5b88a374a824547009", signature)
# Without data
transaction = PlainTransaction()
transaction.nonce = 0
transaction.value = "0"
transaction.sender = "erd1l453hd0gt5gzdp7czpuall8ggt2dcv5zwmfdf3sd3lguxseux2fsmsgldz"
transaction.receiver = "erd188nydpkagtpwvfklkl2tn0w6g40zdxkwfgwpjqc2a2m2n7ne9g8q2t22sr"
transaction.gasPrice = 200000000000000
transaction.gasLimit = 500000000
transaction.data = ""
payload = TransactionPayloadToSign(transaction)
signature = signing.sign_transaction(payload, pem)
self.assertEqual("4e160bcafb6cb8ab8fc3260d3faf24bf7ce1205b5685adb457803db6d67c648a614308d8354e40b40fbb90c227046d6997493f798b92acb1b4bc49173939e703", signature)
def test_serialize_transaction_payload(self):
# With data field
transaction = PlainTransaction()
transaction.nonce = 0
transaction.value = "42"
transaction.sender = "alice"
transaction.receiver = "bob"
transaction.gasPrice = 43
transaction.gasLimit = 44
transaction.data = "foobar"
serialized = TransactionPayloadToSign(transaction).to_json().decode()
self.assertEqual("""{"nonce":0,"value":"42","receiver":"bob","sender":"alice","gasPrice":43,"gasLimit":44,"data":"foobar"}""", serialized)
# Without data field
transaction.data = ""
serialized = TransactionPayloadToSign(transaction).to_json().decode()
self.assertEqual("""{"nonce":0,"value":"42","receiver":"bob","sender":"alice","gasPrice":43,"gasLimit":44}""", serialized)
# With actual addresses
transaction = PlainTransaction()
transaction.nonce = 0
transaction.value = "0"
transaction.sender = "erd1l453hd0gt5gzdp7czpuall8ggt2dcv5zwmfdf3sd3lguxseux2fsmsgldz"
transaction.receiver = "erd188nydpkagtpwvfklkl2tn0w6g40zdxkwfgwpjqc2a2m2n7ne9g8q2t22sr"
transaction.gasPrice = 200000000000000
transaction.gasLimit = 500000000
transaction.data = "foo"
serialized = TransactionPayloadToSign(transaction).to_json().decode()
self.assertEqual("""{"nonce":0,"value":"0","receiver":"erd188nydpkagtpwvfklkl2tn0w6g40zdxkwfgwpjqc2a2m2n7ne9g8q2t22sr","sender":"erd1l453hd0gt5gzdp7czpuall8ggt2dcv5zwmfdf3sd3lguxseux2fsmsgldz","gasPrice":200000000000000,"gasLimit":500000000,"data":"foo"}""", serialized)
def test_sign_transaction_trust_wallet_scenario(self):
pem = self.testdata.joinpath("keys", "alice.pem")
# With data
transaction = PlainTransaction()
transaction.nonce = 0
transaction.value = "0"
transaction.sender = "erd1l453hd0gt5gzdp7czpuall8ggt2dcv5zwmfdf3sd3lguxseux2fsmsgldz"
transaction.receiver = "erd1cux02zersde0l7hhklzhywcxk4u9n4py5tdxyx7vrvhnza2r4gmq4vw35r"
transaction.gasPrice = 200000000000000
transaction.gasLimit = 500000000
transaction.data = "foo"
payload = TransactionPayloadToSign(transaction)
signature = signing.sign_transaction(payload, pem)
self.assertEqual("3c807eddeb5c9d7864ca3a97da8d2bffcef84826228567d4c7478812fdd09858f438a5cade3341bb2b02a2a8717d271b9163735d65f61795f5dd946f519fc500", signature)
# Without data
transaction = PlainTransaction()
transaction.nonce = 0
transaction.value = "0"
transaction.sender = "erd1l453hd0gt5gzdp7czpuall8ggt2dcv5zwmfdf3sd3lguxseux2fsmsgldz"
transaction.receiver = "erd1cux02zersde0l7hhklzhywcxk4u9n4py5tdxyx7vrvhnza2r4gmq4vw35r"
transaction.gasPrice = 200000000000000
transaction.gasLimit = 500000000
transaction.data = ""
payload = TransactionPayloadToSign(transaction)
signature = signing.sign_transaction(payload, pem)
self.assertEqual("39ab0e18bfce04bf53c9610faa3b9e7cecfca919510a7631e529e9086279b70a4832df32a5d1b8fdceb4e9082f2995da97f9195532c8d611ee749bc312cbf90c", signature)
def send_one_tx(proxy, sender, receiver_address):
plain = PlainTransaction()
plain.nonce = sender.nonce
plain.value = "20000000000000000" # 0.02 ERD
plain.sender = sender.address.bech32()
plain.receiver = receiver_address
plain.gasPrice = 200000000000
plain.gasLimit = 50000
plain.data = ""
payload = TransactionPayloadToSign(plain)
signature = signing.sign_transaction(payload, sender.pem_file)
prepared = PreparedTransaction(plain, signature)
prepared.send(proxy)
global counter
counter += 1
print(f"Sent transaction #{counter}, with nonce = {plain.nonce}.")
def prepare_execute_transaction(self, caller, function, arguments,
gas_price, gas_limit, value):
arguments = arguments or []
gas_price = int(gas_price or config.DEFAULT_GAS_PRICE)
gas_limit = int(gas_limit)
value = str(value or "0")
plain = PlainTransaction()
plain.nonce = caller.nonce
plain.value = value
plain.sender = caller.address.bech32()
plain.receiver = self.address.bech32()
plain.gasPrice = gas_price
plain.gasLimit = gas_limit
plain.data = self.prepare_execute_transaction_data(function, arguments)
payload = TransactionPayloadToSign(plain)
signature = signing.sign_transaction(payload, caller.pem_file)
prepared = PreparedTransaction(plain, signature)
return prepared
def prepare_deploy_transaction(self, owner, arguments, gas_price,
gas_limit, value):
arguments = arguments or []
gas_price = int(gas_price or config.DEFAULT_GAS_PRICE)
gas_limit = int(gas_limit or config.DEFAULT_GAS_LIMIT)
value = str(value or "0")
plain = PlainTransaction()
plain.nonce = owner.nonce
plain.value = value
plain.sender = owner.address.bech32()
plain.receiver = Address.zero().bech32()
plain.gasPrice = gas_price
plain.gasLimit = gas_limit
plain.data = self.prepare_deploy_transaction_data(arguments)
payload = TransactionPayloadToSign(plain)
signature = signing.sign_transaction(payload, owner.pem_file)
prepared = PreparedTransaction(plain, signature)
return prepared