def test_deposit_wrong_channel(
get_accounts: Callable,
token_network: Contract,
create_channel: Callable,
assign_tokens: Callable,
) -> None:
"""setTotalDeposit() with a wrong channelID fails"""
(A, B, C) = get_accounts(3)
channel_identifier = create_channel(A, B)[0]
channel_identifier2 = create_channel(A, C)[0]
assign_tokens(A, 10)
with pytest.raises(TransactionFailed,
match="TN/deposit: channel id mismatch"):
token_network.functions.setTotalDeposit(channel_identifier2, A, 10,
B).call({"from": A})
with pytest.raises(TransactionFailed,
match="TN/deposit: channel id mismatch"):
token_network.functions.setTotalDeposit(channel_identifier, A, 10,
C).call({"from": A})
call_and_transact(
token_network.functions.setTotalDeposit(channel_identifier, A, 10, B),
{"from": A},
)
assert (10 == token_network.functions.getChannelParticipantInfo(
channel_identifier, A, B).call()[0])
def test_withdraw_wrong_signers(
token_network: Contract,
create_channel_and_deposit: Callable,
get_accounts: Callable,
create_withdraw_signatures: Callable,
) -> None:
(A, B, C) = get_accounts(3)
deposit_A = 15
deposit_B = 13
withdraw_A = 5
channel_identifier = create_channel_and_deposit(A, B, deposit_A, deposit_B)
(signature_A_for_A, signature_B_for_A,
signature_C_for_A) = create_withdraw_signatures([A, B, C],
channel_identifier, A,
withdraw_A, UINT256_MAX)
with pytest.raises(TransactionFailed):
token_network.functions.setTotalWithdraw(
channel_identifier, A, withdraw_A, UINT256_MAX, signature_C_for_A,
signature_B_for_A).call({"from": C})
with pytest.raises(TransactionFailed):
token_network.functions.setTotalWithdraw(
channel_identifier, A, withdraw_A, UINT256_MAX, signature_A_for_A,
signature_C_for_A).call({"from": C})
call_and_transact(
token_network.functions.setTotalWithdraw(channel_identifier, A,
withdraw_A, UINT256_MAX,
signature_A_for_A,
signature_B_for_A),
{"from": C},
)
def test_changing_duration(service_registry: Contract, get_accounts: Callable,
custom_token: Contract) -> None:
"""The controller can change the registration period of ServiceRegistry"""
new_duration = 90 * SECONDS_PER_DAY
call_and_transact(
service_registry.functions.changeParameters(
_price_bump_numerator=DEFAULT_BUMP_NUMERATOR,
_price_bump_denominator=DEFAULT_BUMP_DENOMINATOR,
_decay_constant=DEFAULT_DECAY_CONSTANT,
_min_price=DEFAULT_MIN_PRICE,
_registration_duration=new_duration,
),
{"from": DEPLOYER_ADDRESS},
)
# make sure that the duration has changed.
assert service_registry.functions.registration_duration().call(
) == new_duration
(A, ) = get_accounts(1)
call_and_transact(custom_token.functions.mint(2 * SERVICE_DEPOSIT),
{"from": A})
call_and_transact(
custom_token.functions.approve(service_registry.address,
2 * SERVICE_DEPOSIT),
{"from": A},
)
call_and_transact(service_registry.functions.deposit(SERVICE_DEPOSIT),
{"from": A})
first_expiration = service_registry.functions.service_valid_till(A).call()
call_and_transact(service_registry.functions.deposit(SERVICE_DEPOSIT),
{"from": A})
second_expiration = service_registry.functions.service_valid_till(A).call()
assert second_expiration == first_expiration + new_duration
def test_close_second_participant_can_close(
token_network: Contract,
create_channel: Callable,
get_accounts: Callable,
create_close_signature_for_no_balance_proof: Callable,
) -> None:
"""Simplest successful closeChannel by the second participant"""
(A, B) = get_accounts(2)
channel_identifier = create_channel(A, B)[0]
closing_sig = create_close_signature_for_no_balance_proof(
B, channel_identifier)
call_and_transact(
token_network.functions.closeChannel(
channel_identifier=channel_identifier,
non_closing_participant=A,
closing_participant=B,
balance_hash=EMPTY_BALANCE_HASH,
nonce=0,
additional_hash=EMPTY_ADDITIONAL_HASH,
non_closing_signature=EMPTY_SIGNATURE,
closing_signature=closing_sig,
),
{"from": B},
)
def test_internal_min_price(service_registry: Contract) -> None:
"""Calling the internal setMinPrice() must fail"""
with pytest.raises(MismatchedABI):
call_and_transact(
service_registry.functions.setMinPrice(DEFAULT_MIN_PRICE * 2),
{"from": DEPLOYER_ADDRESS},
)
def test_unauthorized_deprecation_switch(
service_registry: Contract, get_accounts: Callable
) -> None:
"""A random account cannot turn on the deprecation switch"""
(A,) = get_accounts(1)
with pytest.raises(TransactionFailed, match="caller is not the controller"):
call_and_transact(service_registry.functions.setDeprecationSwitch(), {"from": A})
def test_monitor_on_wrong_token_network_registry(
token_network_in_another_token_network_registry: Contract,
monitoring_service_external: Contract,
monitor_data: Dict,
ms_address: HexAddress,
web3: Web3,
) -> None:
A, B = monitor_data["participants"]
# wait until MS is allowed to monitor
mine_blocks(web3, monitor_data["first_allowed"] - web3.eth.block_number)
# monitor() call fails because the TokenNetwork is not registered on the
# supposed TokenNetworkRegistry
with pytest.raises(TransactionFailed, match="Unknown TokenNetwork"):
call_and_transact(
monitoring_service_external.functions.monitor(
A,
B,
*monitor_data["balance_proof_B"]._asdict().values(),
monitor_data["non_closing_signature"],
REWARD_AMOUNT,
token_network_in_another_token_network_registry.address,
monitor_data["reward_proof_signature"],
),
{"from": ms_address},
)
def test_internal_set_decay_constant(service_registry: Contract) -> None:
"""Calling the internal setDecayConstant() must fail"""
with pytest.raises(MismatchedABI):
call_and_transact(
service_registry.functions.setDecayConstant(DEFAULT_DECAY_CONSTANT + 100),
{"from": DEPLOYER_ADDRESS},
)
def test_withdraw_call_near_expiration(
token_network: Contract,
create_channel_and_deposit: Callable,
get_accounts: Callable,
create_withdraw_signatures: Callable,
web3: Web3,
) -> None:
"""setTotalWithdraw() succeeds when expiration_block is one block in the future"""
(A, B) = get_accounts(2)
withdraw_A = 3
channel_identifier = create_channel_and_deposit(A, B, 10, 1)
# The block must still be one block in the future when the transaction is
# processed, so we have to choose an expiration two block in the future
expiration = web3.eth.block_number + 2
(signature_A_for_A,
signature_B_for_A) = create_withdraw_signatures([A, B],
channel_identifier, A,
withdraw_A, expiration)
call_and_transact(
token_network.functions.setTotalWithdraw(
channel_identifier=channel_identifier,
participant=A,
total_withdraw=withdraw_A,
expiration_block=expiration,
participant_signature=signature_A_for_A,
partner_signature=signature_B_for_A,
),
{"from": A},
)
def test_deprecation_switch(
get_accounts: Callable,
token_network: Contract,
create_channel: Callable,
channel_deposit: Callable,
) -> None:
"""Test the effects of the deprecation switch on deposits and channel opening"""
controller = token_network.functions.controller().call()
(A, B, C, D) = get_accounts(4)
deposit = 100
bigger_deposit = 200
channel_identifier = create_channel(A, B)[0]
channel_deposit(channel_identifier, A, deposit, B)
channel_deposit(channel_identifier, B, deposit, A)
call_and_transact(token_network.functions.deprecate(),
{"from": controller})
assert token_network.functions.safety_deprecation_switch().call() is True
# Now we cannot deposit in existent channels
with pytest.raises(TransactionFailed, match="TN: network is deprecated"):
channel_deposit(channel_identifier, A, bigger_deposit, B)
with pytest.raises(TransactionFailed, match="TN: network is deprecated"):
channel_deposit(channel_identifier, B, bigger_deposit, A)
# Now we cannot open channels anymore
with pytest.raises(TransactionFailed, match="TN: network is deprecated"):
channel_identifier = create_channel(C, D)[0]
def test_cooperative_settle_channel_state_withdraw(
custom_token: Contract,
token_network: Contract,
create_channel_and_deposit: Callable,
withdraw_channel: Callable,
get_accounts: Callable,
create_withdraw_signatures: Callable,
cooperative_settle_state_tests: Callable,
) -> None:
(A, B, C) = get_accounts(3)
deposit_A = 20
deposit_B = 10
withdraw_A = 3
withdraw_B = 7
balance_A = 5
balance_B = 15
assert deposit_A + deposit_B == withdraw_A + withdraw_B + balance_A + balance_B
channel_identifier = create_channel_and_deposit(A, B, deposit_A, deposit_B)
withdraw_channel(channel_identifier, A, withdraw_A, EXPIRATION, B)
withdraw_channel(channel_identifier, B, withdraw_B, EXPIRATION, A)
# We need to add the already withdrawn amount to the balance as `withdraw_amount`
# is a monotonic value
(signature_A1,
signature_B1) = create_withdraw_signatures([A, B], channel_identifier, A,
balance_A + withdraw_A,
EXPIRATION)
(signature_A2,
signature_B2) = create_withdraw_signatures([A, B], channel_identifier, B,
balance_B + withdraw_B,
EXPIRATION)
pre_account_balance_A = custom_token.functions.balanceOf(A).call()
pre_account_balance_B = custom_token.functions.balanceOf(B).call()
pre_balance_contract = custom_token.functions.balanceOf(
token_network.address).call()
call_and_transact(
token_network.functions.cooperativeSettle(
channel_identifier,
(A, balance_A + withdraw_A, EXPIRATION, signature_A1,
signature_B1),
(B, balance_B + withdraw_B, EXPIRATION, signature_B2,
signature_A2),
),
{"from": C},
)
cooperative_settle_state_tests(
channel_identifier,
A,
balance_A,
B,
balance_B,
pre_account_balance_A,
pre_account_balance_B,
pre_balance_contract,
)
def test_settle2_no_bp_success(
web3: Web3,
custom_token: Contract,
token_network: Contract,
create_channel_and_deposit: Callable,
get_accounts: Callable,
create_close_signature_for_no_balance_proof: Callable,
) -> None:
"""The simplest settlement, tested against the V2 ABI settle"""
(A, B) = get_accounts(2)
deposit_A = 10
deposit_B = 6
settle_timeout = TEST_SETTLE_TIMEOUT_MIN
channel_identifier = create_channel_and_deposit(A, B, deposit_A, deposit_B)
closing_sig = create_close_signature_for_no_balance_proof(
A, channel_identifier)
# Close channel with no balance proof
call_and_transact(
token_network.functions.closeChannel(
channel_identifier,
B,
A,
EMPTY_BALANCE_HASH,
0,
EMPTY_ADDITIONAL_HASH,
EMPTY_SIGNATURE,
closing_sig,
),
{"from": A},
)
# Do not call updateNonClosingBalanceProof
# Settlement window must be over before settling the channel
mine_blocks(web3, settle_timeout + 1)
# Settling the channel should work with no balance proofs
call_and_transact(
token_network.functions.settleChannel2(
channel_identifier=channel_identifier,
participant1_settlement=dict(
participant=A,
transferred_amount=0,
locked_amount=0,
locksroot=LOCKSROOT_OF_NO_LOCKS,
),
participant2_settlement=dict(
participant=B,
transferred_amount=0,
locked_amount=0,
locksroot=LOCKSROOT_OF_NO_LOCKS,
),
),
{"from": A},
)
assert custom_token.functions.balanceOf(A).call() == deposit_A
assert custom_token.functions.balanceOf(B).call() == deposit_B
def test_call_and_transact_does_not_mine(web3: Web3,
custom_token: Contract) -> None:
""" See call_and_transact() does not mine a block """
before = web3.eth.blockNumber
call_and_transact(custom_token.functions.multiplier())
after = web3.eth.blockNumber
assert before + 1 == after
def test_update_channel_fail_no_offchain_transfers(
get_accounts: Callable,
token_network: Contract,
create_channel: Callable,
create_balance_proof: Callable,
create_balance_proof_countersignature: Callable,
create_close_signature_for_no_balance_proof: Callable,
) -> None:
"""Calls to updateNonClosingBalanceProof() fail with the zero nonce"""
(A, B) = get_accounts(2)
channel_identifier = create_channel(A, B)[0]
balance_proof_A = create_balance_proof(channel_identifier, A, 0, 0, 0)
balance_proof_update_signature_B = create_balance_proof_countersignature(
participant=B,
channel_identifier=channel_identifier,
msg_type=MessageTypeId.BALANCE_PROOF_UPDATE,
**balance_proof_A._asdict(),
)
closing_sig = create_close_signature_for_no_balance_proof(
A, channel_identifier)
call_and_transact(
token_network.functions.closeChannel(
channel_identifier,
B,
A,
EMPTY_BALANCE_HASH,
0,
EMPTY_ADDITIONAL_HASH,
EMPTY_SIGNATURE,
closing_sig,
),
{"from": A},
)
with pytest.raises(TransactionFailed,
match="TN/update: balance hash is zero"):
token_network.functions.updateNonClosingBalanceProof(
channel_identifier,
A,
B,
EMPTY_BALANCE_HASH,
0,
EMPTY_ADDITIONAL_HASH,
EMPTY_SIGNATURE,
EMPTY_SIGNATURE,
).call({"from": B})
with pytest.raises(TransactionFailed, match="TN/update: nonce is zero"):
token_network.functions.updateNonClosingBalanceProof(
channel_identifier,
A,
B,
*balance_proof_A._asdict().values(),
balance_proof_update_signature_B,
).call({"from": B})
def get(tx_from: HexAddress, transfers: List[Tuple]) -> None:
for (expiration, _, secrethash, secret) in transfers:
assert web3.eth.blockNumber < expiration
call_and_transact(
secret_registry_contract.functions.registerSecret(secret),
{"from": tx_from})
assert (
secret_registry_contract.functions.getSecretRevealBlockHeight(
secrethash).call() == web3.eth.blockNumber)
def test_calling_internal_bump_paramter_change(
service_registry: Contract) -> None:
"""Calling an internal function setPriceBumpParameters() must fail"""
with pytest.raises(MismatchedABI):
call_and_transact(
service_registry.functions.setPriceBumpParameters(
DEFAULT_BUMP_NUMERATOR + 1, DEFAULT_BUMP_DENOMINATOR),
{"from": DEPLOYER_ADDRESS},
)
def user_deposit_contract(
uninitialized_user_deposit_contract: Contract,
monitoring_service_external: Contract,
one_to_n_contract: Contract,
) -> Contract:
call_and_transact(
uninitialized_user_deposit_contract.functions.init(
monitoring_service_external.address, one_to_n_contract.address))
return uninitialized_user_deposit_contract
def test_cooperative_settle_channel_wrong_balances(
token_network: Contract,
create_channel_and_deposit: Callable,
get_accounts: Callable,
create_cooperative_settle_signatures: Callable,
) -> None:
(A, B, C) = get_accounts(3)
deposit_A = 20
deposit_B = 10
balance_A = 7
balance_B = 23
balance_A_fail1 = 20
balance_B_fail1 = 11
balance_A_fail2 = 6
balance_B_fail2 = 8
channel_identifier = create_channel_and_deposit(A, B, deposit_A, deposit_B)
(signature_A, signature_B) = create_cooperative_settle_signatures(
[A, B], channel_identifier, A, balance_A, B, balance_B
)
(signature_A_fail1, signature_B_fail1) = create_cooperative_settle_signatures(
[A, B], channel_identifier, A, balance_A_fail1, B, balance_B_fail1
)
(signature_A_fail2, signature_B_fail2) = create_cooperative_settle_signatures(
[A, B], channel_identifier, A, balance_A_fail2, B, balance_B_fail2
)
with pytest.raises(TransactionFailed):
token_network.functions.cooperativeSettle(
channel_identifier,
A,
balance_A_fail1,
B,
balance_B_fail1,
signature_A_fail1,
signature_B_fail1,
).call({"from": C})
with pytest.raises(TransactionFailed):
token_network.functions.cooperativeSettle(
channel_identifier,
A,
balance_A_fail2,
B,
balance_B_fail2,
signature_A_fail2,
signature_B_fail2,
).call({"from": C})
call_and_transact(
token_network.functions.cooperativeSettle(
channel_identifier, A, balance_A, B, balance_B, signature_A, signature_B
),
{"from": C},
)
def print_gas_secret_registry(secret_registry_contract: Contract, print_gas: Callable) -> None:
""" Abusing pytest to print gas cost of SecretRegistry's registerSecret() """
secret = b"secretsecretsecretsecretsecretse"
txn_hash = call_and_transact(secret_registry_contract.functions.registerSecret(secret))
print_gas(txn_hash, CONTRACT_SECRET_REGISTRY + ".registerSecret")
for batch_size in (1, 2, 3):
batch = [bytes([batch_size, i] + [0] * 30) for i in range(batch_size)]
txn_hash = call_and_transact(secret_registry_contract.functions.registerSecretBatch(batch))
print_gas(txn_hash, CONTRACT_SECRET_REGISTRY + ".registerSecretBatch" + str(batch_size))
def print_gas_token(get_accounts: Callable, custom_token: Contract, print_gas: Callable) -> None:
(A, B) = get_accounts(2)
tx_hash = call_and_transact(custom_token.functions.mint(100), {"from": A})
print_gas(tx_hash, "CustomToken.mint")
tx_hash = call_and_transact(custom_token.functions.transfer(B, 100), {"from": A})
print_gas(tx_hash, "CustomToken.transfer")
tx_hash = call_and_transact(custom_token.functions.approve(A, 100), {"from": B})
print_gas(tx_hash, "CustomToken.approve")
tx_hash = call_and_transact(custom_token.functions.transferFrom(B, A, 100), {"from": A})
print_gas(tx_hash, "CustomToken.transferFrom")
def test_deprecation_immediate_payout(create_account: Callable,
custom_token: Contract,
service_registry: Contract,
web3: Web3) -> None:
"""When the deprecation switch is on, deposits can be withdrawn immediately."""
# A user makes a deposit
A = create_account()
minted = service_registry.functions.currentPrice().call()
call_and_transact(custom_token.functions.mint(minted), {"from": A})
call_and_transact(
custom_token.functions.approve(service_registry.address, minted),
{"from": A})
deposit_tx = call_and_transact(service_registry.functions.deposit(minted),
{"from": A})
# The user obtains the deposit address
deposit_tx_receipt = web3.eth.get_transaction_receipt(deposit_tx)
contract_manager = ContractManager(
contracts_precompiled_path(version=None))
event_abi = contract_manager.get_event_abi(CONTRACT_SERVICE_REGISTRY,
EVENT_REGISTERED_SERVICE)
event_data = get_event_data(web3.codec, event_abi,
deposit_tx_receipt["logs"][-1])
deposit_address = event_data["args"]["deposit_contract"]
# And obtains the Deposit contract instance
deposit_abi = contract_manager.get_contract_abi(CONTRACT_DEPOSIT)
deposit = web3.eth.contract(abi=deposit_abi, address=deposit_address)
# The controller turns on the deprecation switch
call_and_transact(service_registry.functions.setDeprecationSwitch(),
{"from": DEPLOYER_ADDRESS})
# The user successfully withdraws the deposit
call_and_transact(deposit.functions.withdraw(A), {"from": A})
# The user has all the balance it has minted
assert minted == custom_token.functions.balanceOf(A).call()
# The Deposit contract has destroyed itself
assert web3.eth.get_code(deposit.address) == HexBytes("0x")
def test_setURL(custom_token: Contract, service_registry: Contract,
get_accounts: Callable, web3: Web3) -> None:
"""A ServiceRegistry allows registered service providers to set their URLs"""
(A, ) = get_accounts(1)
url1 = "http://example.com"
url2 = "http://raiden.example.com"
call_and_transact(custom_token.functions.mint(SERVICE_DEPOSIT),
{"from": A})
call_and_transact(
custom_token.functions.approve(service_registry.address,
SERVICE_DEPOSIT),
{"from": A},
)
tx = call_and_transact(service_registry.functions.deposit(SERVICE_DEPOSIT),
{"from": A})
tx_receipt = web3.eth.get_transaction_receipt(tx)
contract_manager = ContractManager(
contracts_precompiled_path(version=None))
event_abi = contract_manager.get_event_abi(CONTRACT_SERVICE_REGISTRY,
EVENT_REGISTERED_SERVICE)
event_data = get_event_data(web3.codec, event_abi, tx_receipt["logs"][-1])
assert event_data["args"]["service"] == A
assert event_data["args"]["deposit_contract"] != EMPTY_ADDRESS
call_and_transact(service_registry.functions.setURL(url1), {"from": A})
assert service_registry.functions.urls(A).call() == url1
call_and_transact(service_registry.functions.setURL(url2), {"from": A})
assert service_registry.functions.urls(A).call() == url2
def f(target: str) -> None:
assert is_address(target)
ethereum_tester.send_transaction({
"from": FAUCET_ADDRESS,
"to": target,
"gas": 21000,
"value": 1 * int(units["ether"])
})
call_and_transact(
custom_token.functions.transfer(_to=target, _value=10000),
{"from": FAUCET_ADDRESS})
def test_withdraw_to_beneficiary(
user_deposit_contract: Contract,
deposit_to_udc: Callable,
get_accounts: Callable,
web3: Web3,
event_handler: Callable,
custom_token: Contract,
) -> None:
"""Test the interaction between planWithdraw, withdrawToBeneficiary and effectiveBalance"""
ev_handler = event_handler(user_deposit_contract)
(A, B) = get_accounts(2)
deposit_to_udc(A, 30)
assert user_deposit_contract.functions.balances(A).call() == 30
assert user_deposit_contract.functions.effectiveBalance(A).call() == 30
# plan withdraw of 20 tokens
tx_hash = call_and_transact(
user_deposit_contract.functions.planWithdraw(20), {"from": A})
ev_handler.assert_event(
tx_hash,
UserDepositEvent.WITHDRAW_PLANNED,
dict(withdrawer=A, plannedBalance=10),
)
assert user_deposit_contract.functions.balances(A).call() == 30
assert user_deposit_contract.functions.effectiveBalance(A).call() == 10
# beneficiary can not be zero address
with pytest.raises(TransactionFailed, match="beneficiary is zero"):
user_deposit_contract.functions.withdrawToBeneficiary(
18, ZERO_ADDRESS).call({"from": A})
# withdraw won't work before withdraw_delay elapsed
withdraw_delay = user_deposit_contract.functions.withdraw_delay().call()
mine_blocks(web3, withdraw_delay - 1)
with pytest.raises(TransactionFailed, match="withdrawing too early"):
user_deposit_contract.functions.withdrawToBeneficiary(18, B).call(
{"from": A})
# can't withdraw more then planned
mine_blocks(web3, 1) # now withdraw_delay is over
with pytest.raises(TransactionFailed,
match="withdrawing more than planned"):
user_deposit_contract.functions.withdrawToBeneficiary(21, B).call(
{"from": A})
# actually withdraw 18 tokens
assert custom_token.functions.balanceOf(B).call() == 0
call_and_transact(
user_deposit_contract.functions.withdrawToBeneficiary(18, B),
{"from": A})
assert user_deposit_contract.functions.balances(A).call() == 12
assert user_deposit_contract.functions.effectiveBalance(A).call() == 12
assert custom_token.functions.balanceOf(B).call() == 18
def send_remaining(
channel_identifier: int, participant1: HexAddress, participant2: HexAddress
) -> None:
remaining_to_reach_limit = remaining()
assign_tokens(participant1, remaining_to_reach_limit)
call_and_transact(
token_network.functions.setTotalDeposit(
channel_identifier, participant1, remaining_to_reach_limit, participant2
),
{"from": participant1},
)
def test_very_big_decay_cosntant(service_registry: Contract) -> None:
"""set a very big decay constant and see very slow price decay"""
call_and_transact(
service_registry.functions.changeParameters(
_price_bump_numerator=DEFAULT_BUMP_NUMERATOR,
_price_bump_denominator=DEFAULT_BUMP_DENOMINATOR,
_decay_constant=2 ** 40 - 1,
_min_price=DEFAULT_MIN_PRICE,
_registration_duration=DEFAULT_REGISTRATION_DURATION,
),
{"from": DEPLOYER_ADDRESS},
)
assert service_registry.functions.decayedPrice(100000, 11990300).call() == 99998
def test_changing_min_price(service_registry: Contract) -> None:
"""The controller can change the min_price"""
call_and_transact(
service_registry.functions.changeParameters(
_price_bump_numerator=DEFAULT_BUMP_NUMERATOR,
_price_bump_denominator=DEFAULT_BUMP_DENOMINATOR,
_decay_constant=DEFAULT_DECAY_CONSTANT,
_min_price=DEFAULT_MIN_PRICE * 2,
_registration_duration=DEFAULT_REGISTRATION_DURATION,
),
{"from": DEPLOYER_ADDRESS},
)
assert service_registry.functions.min_price().call() == DEFAULT_MIN_PRICE * 2
def test_zero_denominator_fail(service_registry: Contract) -> None:
"""changeParameters() fails if the new bump denominator is zero"""
with pytest.raises(TransactionFailed, match="divide by zero"):
call_and_transact(
service_registry.functions.changeParameters(
_price_bump_numerator=DEFAULT_BUMP_NUMERATOR,
_price_bump_denominator=0,
_decay_constant=DEFAULT_DECAY_CONSTANT,
_min_price=DEFAULT_MIN_PRICE,
_registration_duration=DEFAULT_REGISTRATION_DURATION,
),
{"from": DEPLOYER_ADDRESS},
)
def test_too_high_decay_constant_fail(service_registry: Contract) -> None:
"""changeParameters() fails if the new decay constant is too high"""
with pytest.raises(TransactionFailed, match="too big decay constant"):
call_and_transact(
service_registry.functions.changeParameters(
_price_bump_numerator=DEFAULT_BUMP_NUMERATOR,
_price_bump_denominator=DEFAULT_BUMP_DENOMINATOR,
_decay_constant=2**40,
_min_price=DEFAULT_MIN_PRICE,
_registration_duration=DEFAULT_REGISTRATION_DURATION,
),
{"from": DEPLOYER_ADDRESS},
)
def test_changing_too_low_bump_parameter_fail(service_registry: Contract) -> None:
"""changeParameters() fails if the bump numerator is smaller than the bump denominator"""
with pytest.raises(TransactionFailed, match="price dump instead of bump"):
call_and_transact(
service_registry.functions.changeParameters(
_price_bump_numerator=DEFAULT_BUMP_NUMERATOR,
_price_bump_denominator=DEFAULT_BUMP_NUMERATOR + 1,
_decay_constant=DEFAULT_DECAY_CONSTANT,
_min_price=DEFAULT_MIN_PRICE,
_registration_duration=DEFAULT_REGISTRATION_DURATION,
),
{"from": DEPLOYER_ADDRESS},
)