def test_transfer():
"""Test transfer of wealth."""
ethereum_api = EthereumApi(**ETHEREUM_TESTNET_CONFIG)
ec1 = EthereumCrypto(private_key_path=ETHEREUM_PRIVATE_KEY_PATH)
ec2 = EthereumCrypto()
amount = 40000
fee = 30000
tx_nonce = ethereum_api.generate_tx_nonce(ec2.address, ec1.address)
tx_digest = ethereum_api.transfer(ec1,
ec2.address,
amount,
fee,
tx_nonce,
chain_id=3)
assert tx_digest is not None, "Failed to submit transfer!"
not_settled = True
elapsed_time = 0
while not_settled and elapsed_time < 180:
elapsed_time += 2
time.sleep(2)
is_settled = ethereum_api.is_transaction_settled(tx_digest)
not_settled = not is_settled
assert is_settled, "Failed to complete tx!"
is_valid = ethereum_api.is_transaction_valid(tx_digest, ec2.address,
ec1.address, tx_nonce, amount)
assert is_valid, "Failed to settle tx correctly!"
def test_construct_sign_and_submit_transfer_transaction():
"""Test the construction, signing and submitting of a transfer transaction."""
account = EthereumCrypto(private_key_path=ETHEREUM_PRIVATE_KEY_PATH)
ec2 = EthereumCrypto()
ethereum_api = EthereumApi(**ETHEREUM_TESTNET_CONFIG)
amount = 40000
tx_nonce = ethereum_api.generate_tx_nonce(ec2.address, account.address)
transfer_transaction = ethereum_api.get_transfer_transaction(
sender_address=account.address,
destination_address=ec2.address,
amount=amount,
tx_fee=30000,
tx_nonce=tx_nonce,
chain_id=3,
)
assert (isinstance(transfer_transaction, dict)
and len(transfer_transaction)
== 7), "Incorrect transfer_transaction constructed."
signed_transaction = account.sign_transaction(transfer_transaction)
assert (isinstance(signed_transaction,
eth_account.datastructures.AttributeDict)
and len(signed_transaction)
== 5), "Incorrect signed_transaction constructed."
transaction_digest = ethereum_api.send_signed_transaction(
signed_transaction)
assert transaction_digest is not None, "Failed to submit transfer transaction!"
not_settled = True
elapsed_time = 0
while not_settled and elapsed_time < 20:
elapsed_time += 1
time.sleep(2)
transaction_receipt = ethereum_api.get_transaction_receipt(
transaction_digest)
if transaction_receipt is None:
continue
is_settled = ethereum_api.is_transaction_settled(transaction_receipt)
not_settled = not is_settled
assert transaction_receipt is not None, "Failed to retrieve transaction receipt."
assert is_settled, "Failed to verify tx!"
tx = ethereum_api.get_transaction(transaction_digest)
is_valid = ethereum_api.is_transaction_valid(tx, ec2.address,
account.address, tx_nonce,
amount)
assert is_valid, "Failed to settle tx correctly!"
assert tx != transaction_receipt, "Should not be same!"
