def test_buy_crowdfund_not_enough_gas(dbsession: Session, eth_network_id: UUID, web3: Web3, eth_service: EthereumService, token, toycrowd, withdraw_address):
"""Perform a crowdfundn buy operation without giving enough gas for the transaction."""
with transaction.manager:
# Create withdraw operation
caccount = dbsession.query(CryptoAddressAccount).one()
# Use 4 as the heurestics for block account that doesn't happen right away, but still sensible to wait for it soonish
asset = toycrowd()
caccount.withdraw(Decimal(0.005), asset.external_id, "Buying Toycrowd", required_confirmation_count=1)
print("Withdrawing")
success_op_count, failed_op_count = eth_service.run_waiting_operations()
assert success_op_count == 1
assert failed_op_count == 0
with transaction.manager:
ops = list(dbsession.query(CryptoOperation).all())
assert len(ops) == 3 # Create + deposit + withdraw
op = ops[-1]
txid = bin_to_txid(op.txid)
# This should make the tx to included in a block
confirm_transaction(web3, txid)
# This should trigger incoming notification
eth_service.run_listener_operations()
# Now we should get block number for the withdraw
updates, failures = eth_service.run_confirmation_updates()
assert failures == 1
with transaction.manager:
op = dbsession.query(CryptoOperation).all()[-1]
assert op.is_failed()
assert "gas" in op.get_failure_reason()
def test_withdraw_eth(dbsession: Session, eth_network_id: UUID, web3: Web3, eth_service: EthereumService, withdraw_address: str, target_account: str):
"""Perform a withdraw operation.
Create a database address with balance.
"""
# First check what's our balance before sending coins back
current_balance = wei_to_eth(web3.eth.getBalance(target_account))
assert current_balance == 0
with transaction.manager:
# Create withdraw operation
caccount = dbsession.query(CryptoAddressAccount).one()
#: We are going to withdraw the full amount on the account
assert caccount.account.get_balance() == TEST_VALUE
# Use 4 as the heurestics for block account that doesn't happen right away, but still sensible to wait for it soonish
op = caccount.withdraw(TEST_VALUE, eth_address_to_bin(target_account), "Getting all the moneys", required_confirmation_count=4)
success_op_count, failed_op_count = eth_service.run_waiting_operations()
assert success_op_count == 1
assert failed_op_count == 0
with transaction.manager:
# We should have now three ops
# One for creating the address
# One for depositing value for the test
# One for withdraw
# We have one complete operation
ops = list(dbsession.query(CryptoOperation).all())
assert len(ops) == 3 # Create + deposit + withdraw
op = ops[-1]
assert isinstance(op, CryptoAddressWithdraw)
assert op.broadcasted_at is not None # This completes instantly, cannot be cancelled
assert op.completed_at is None # We need at least one confirmation
assert op.block is None
assert op.txid is not None
txid = bin_to_txid(op.txid)
# This should make the tx to included in a block
confirm_transaction(web3, txid)
# Now we should get block number for the withdraw
eth_service.run_confirmation_updates()
# Geth reflects the deposit instantly internally, doesn't wait for blocks
fee = get_withdrawal_fee(web3)
new_balance = wei_to_eth(web3.eth.getBalance(target_account))
assert new_balance == current_balance + TEST_VALUE - fee
current_block = web3.eth.blockNumber
with transaction.manager:
# Check we get block and txid
# We have one complete operation
ops = list(dbsession.query(CryptoOperation).all())
assert len(ops) == 3 # Create + deposit + withdraw
op = ops[-1]
assert op.broadcasted_at is not None # This completes instantly, cannot be cancelled
assert op.completed_at is None, "Got confirmation for block {}, current {}, requires {}".format(op.block, current_block, op.required_confirmation_count)
assert op.block is not None
assert op.txid is not None
block_num = op.block
required_conf = op.required_confirmation_count
# Wait block to make the confirmation happen
wait_for_block_number(web3, block_num + required_conf + 1, timeout=60)
# Now we should have enough blocks to mark the transaction as confirmed
eth_service.run_confirmation_updates()
with transaction.manager:
# Check we get block and txid
# We have one complete operation
ops = list(dbsession.query(CryptoOperation).all())
op = ops[-1]
assert op.state == CryptoOperationState.success
assert op.completed_at is not None
def test_buy_crowdfund_with_gas(dbsession: Session, eth_network_id: UUID, web3: Web3, eth_service: EthereumService, token, toycrowd, rich_withdraw_address):
"""Perform a crowdfunnd buy operation without giving enough gas for the transaction."""
with transaction.manager:
# Create withdraw operation
caccount = dbsession.query(CryptoAddressAccount).one()
# Use 4 as the heurestics for block account that doesn't happen right away, but still sensible to wait for it soonish
asset = toycrowd()
op = caccount.withdraw(Decimal(3), asset.external_id, "Buying Toycrowd", required_confirmation_count=1)
op.other_data["gas"] = 2500333 # Limit should be ~100k
success_op_count, failed_op_count = eth_service.run_waiting_operations()
assert failed_op_count == 0
assert success_op_count == 1
with transaction.manager:
ops = list(dbsession.query(CryptoOperation).all())
assert len(ops) == 3 # Create + deposit + withdraw
op = ops[-1]
txid = bin_to_txid(op.txid)
# This should make the tx to included in a block
confirm_transaction(web3, txid)
# Set op.block
eth_service.run_confirmation_updates()
# Grab block number where out tx is
with transaction.manager:
ops = list(dbsession.query(CryptoOperation).all())
op = ops[-1]
block_num = op.block
wallet = get_wallet(web3, rich_withdraw_address)
token_events = token.get_all_events()
wallet_events = wallet.get_all_events()
# Confirm we got it all right
receipt = web3.eth.getTransactionReceipt(txid)
logs = receipt["logs"]
assert logs[0]["topics"][0] == token_events["Buy"]
assert logs[1]["topics"][0] == token_events["Transfer"]
assert logs[2]["topics"][0] == wallet_events["Withdraw"]
data = get_crowdsale_data(token)
assert data["wei_raised"] == to_wei("3", "ether")
# Give tx time to confirm, so all confirmations will be there for db update run
required_conf = 3
wait_for_block_number(web3, block_num + required_conf + 1, timeout=60)
# This should trigger incoming notification
eth_service.run_listener_operations()
updates, failures = eth_service.run_confirmation_updates()
assert failures == 0
assert updates == 2 # 1 eth withdraw, 1 token deposit
# Check our db is updated
with transaction.manager:
# There is now new operation to deposit tokens
ops = list(dbsession.query(CryptoOperation).all())
assert len(ops) == 4
op = ops[-1] # type: CryptoOperation
assert op.operation_type == CryptoOperationType.deposit
assert op.state == CryptoOperationState.success
assert op.amount == 6
asset = toycrowd()
crypto_address = dbsession.query(CryptoAddress).one() # type: CryptoAddress
caccount = crypto_address.get_account(asset)
assert caccount.account.get_balance() == 6
def test_withdraw_eth(dbsession: Session, eth_network_id: UUID, web3: Web3, eth_service: EthereumService, withdraw_address: str, target_account: str):
"""Perform a withdraw operation.
Create a database address with balance.
"""
# First check what's our balance before sending coins back
current_balance = wei_to_eth(web3.eth.getBalance(target_account))
assert current_balance == 0
with transaction.manager:
# Create withdraw operation
caccount = dbsession.query(CryptoAddressAccount).one()
#: We are going to withdraw the full amount on the account
assert caccount.account.get_balance() == TEST_VALUE
# Use 4 as the heurestics for block account that doesn't happen right away, but still sensible to wait for it soonish
op = caccount.withdraw(TEST_VALUE, eth_address_to_bin(target_account), "Getting all the moneys", required_confirmation_count=4)
success_op_count, failed_op_count = eth_service.run_waiting_operations()
assert success_op_count == 1
assert failed_op_count == 0
with transaction.manager:
# We should have now three ops
# One for creating the address
# One for depositing value for the test
# One for withdraw
# We have one complete operation
ops = list(dbsession.query(CryptoOperation).all())
assert len(ops) == 3 # Create + deposit + withdraw
op = ops[-1]
assert isinstance(op, CryptoAddressWithdraw)
assert op.broadcasted_at is not None # This completes instantly, cannot be cancelled
assert op.completed_at is None # We need at least one confirmation
assert op.block is None
assert op.txid is not None
txid = bin_to_txid(op.txid)
# This should make the tx to included in a block
confirm_transaction(web3, txid)
# Now we should get block number for the withdraw
eth_service.run_confirmation_updates()
# Geth reflects the deposit instantly internally, doesn't wait for blocks
fee = get_withdrawal_fee(web3)
new_balance = wei_to_eth(web3.eth.getBalance(target_account))
assert new_balance == current_balance + TEST_VALUE - fee
current_block = web3.eth.blockNumber
with transaction.manager:
# Check we get block and txid
# We have one complete operation
ops = list(dbsession.query(CryptoOperation).all())
assert len(ops) == 3 # Create + deposit + withdraw
op = ops[-1]
assert op.broadcasted_at is not None # This completes instantly, cannot be cancelled
assert op.completed_at is None, "Got confirmation for block {}, current {}, requires {}".format(op.block, current_block, op.required_confirmation_count)
assert op.block is not None
assert op.txid is not None
block_num = op.block
required_conf = op.required_confirmation_count
# Wait block to make the confirmation happen
wait_for_block_number(web3, block_num + required_conf + 1, timeout=60)
# Now we should have enough blocks to mark the transaction as confirmed
eth_service.run_confirmation_updates()
with transaction.manager:
# Check we get block and txid
# We have one complete operation
ops = list(dbsession.query(CryptoOperation).all())
op = ops[-1]
assert op.state == CryptoOperationState.success
assert op.completed_at is not None
