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
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)