def test_forwarder_to_good_code(accounts, web3):
factory = compile_source(factory_code).Vyper.deploy({"from": accounts[0]})
target = compile_source(good_code).Vyper.deploy({"from": accounts[0]})
tx = factory.make_forwarder(target, {"from": accounts[0]})
bytecode = web3.eth.get_code(tx.return_value)
assert is_cacheable_bytecode(web3, bytecode)
def test_virtual_price_increases_with_balances(bob, swap, wrapped_coins,
initial_amounts):
amount = initial_amounts[0]
virtual_price = swap.get_virtual_price()
compile_source(code,
vyper_version="0.2.8").Vyper.deploy(swap, {
'from': bob,
'value': amount
})
wrapped_coins[1]._mint_for_testing(swap, amount, {'from': bob})
assert swap.get_virtual_price() // 2 == virtual_price
def test_same_topic_different_abi(accounts):
proj = compile_source(
"""
pragma solidity 0.5.0;
contract Foo {
event Baz(uint256 indexed a, uint256 b, uint256 c);
function foo() public {
emit Baz(1, 2, 3);
}
}
contract Bar {
event Baz(uint256 indexed a, uint256 b, uint256 indexed c);
function bar(Foo _addr) public {
_addr.foo();
emit Baz(4, 5, 6);
}
}"""
)
foo = proj.Foo.deploy({"from": accounts[0]})
bar = proj.Bar.deploy({"from": accounts[0]})
tx = bar.bar(foo, {"from": accounts[0]})
assert len(tx.events) == 2
assert tx.events[0].values() == [1, 2, 3]
assert tx.events[1].values() == [4, 5, 6]
def test_remove_liquidity_imbalance(swap, alice, n_coins, pool_token):
code = f"""
# @version ^0.2.0
interface StableSwap:
def remove_liquidity_imbalance(amounts: uint256[{n_coins}], max_burn: uint256): nonpayable
event Callback:
pass
called: bool
@payable
@external
def __default__():
if not self.called:
log Callback()
self.called = True
StableSwap(msg.sender).remove_liquidity_imbalance([{'10**18, ' * n_coins}], MAX_UINT256)
@external
def remove_liquidity_imbalance(_swap: address):
StableSwap(_swap).remove_liquidity_imbalance([{'10**18, ' * n_coins}], MAX_UINT256)
"""
contract = compile_source(code, vyper_version="0.2.4").Vyper.deploy({'from': alice})
pool_token.transfer(contract, pool_token.balanceOf(alice), {'from': alice})
with brownie.reverts():
contract.remove_liquidity_imbalance(swap, {'from': alice})
assert "Callback" in history[-1].events
def target(alice):
source = """
pragma solidity 0.8.0;
contract Tester {
event Data (
bytes data,
uint256 value
);
fallback() external payable {
emit Data(msg.data, msg.value);
}
function doNotPass() external {
revert();
}
function hasReturnData() external returns (uint256) {
return 42;
}
}
"""
Tester = compile_source(source).Tester
yield Tester.deploy({"from": alice})
def param_pool(accounts):
pool_parameters_mock = """
amp: public(uint256)
fee: public(uint256)
admin_fee: public(uint256)
future_amp: public(uint256)
future_fee: public(uint256)
future_admin_fee: public(uint256)
@external
def commit_new_parameters(amplification: uint256, new_fee: uint256, new_admin_fee: uint256):
self.future_amp = amplification
self.future_fee = new_fee
self.future_admin_fee = new_admin_fee
@external
def apply_new_parameters():
self.amp = self.future_amp
self.fee = self.future_fee
self.admin_fee = self.future_admin_fee
self.future_amp = 0
self.future_fee = 0
self.future_admin_fee = 0
@external
def revert_new_parameters():
self.future_amp = 0
self.future_fee = 0
self.future_admin_fee = 0
"""
yield brownie.compile_source(pool_parameters_mock).Vyper.deploy({"from": accounts[0]})
def reward_contract(alice, coin_a, coin_b):
contract = compile_source(code).Vyper.deploy(coin_a, coin_b,
{"from": alice})
coin_a._mint_for_testing(REWARD, {"from": contract})
coin_b._mint_for_testing(REWARD, {"from": contract})
yield contract
def test_admin_balances_do_not_change(bob, swap, wrapped_coins,
initial_amounts, n_coins):
amount = initial_amounts[0]
for i in range(n_coins):
assert swap.admin_balances(i) == 0
compile_source(code,
vyper_version="0.2.8").Vyper.deploy(swap, {
'from': bob,
'value': amount
})
wrapped_coins[1]._mint_for_testing(swap, amount, {'from': bob})
for i in range(n_coins):
assert swap.admin_balances(i) == 0
def burner(accounts, crypto_pool_proxy, coin_a):
contract = brownie.compile_source(burner_mock).Vyper.deploy({"from": accounts[0]})
crypto_pool_proxy.set_burner(coin_a, contract, {"from": accounts[0]})
crypto_pool_proxy.set_burner(ETH_ADDRESS, contract, {"from": accounts[0]})
accounts[0].transfer(crypto_pool_proxy, 31337)
yield contract
def test_gas_limit_automatic(accounts, config, gas_limit, gas_buffer):
"""gas limit is set correctly using web3.eth.estimate_gas"""
config.active_network["settings"]["gas_limit"] = gas_limit
config.active_network["settings"]["gas_buffer"] = gas_buffer
foo = compile_source(code).Foo.deploy({"from": accounts[0]})
tx = accounts[0].transfer(foo, 1000)
assert int(tx.gas_used * gas_buffer) == tx.gas_limit
def meta_sidechain_rebase(
alice,
MetaBalances,
sidechain_meta_gauge,
base_gauge,
base_pool,
base_coins,
lp_token,
pytestconfig,
):
meta_sidechain_rebase_abi = pytestconfig.cache.get(
"meta_sidechain_rebase_abi", False)
meta_sidechain_rebase_bytecode = pytestconfig.cache.get(
"meta_sidechain_rebase_bytecode", False)
if meta_sidechain_rebase_abi and meta_sidechain_rebase_bytecode:
tx = alice.transfer(data=meta_sidechain_rebase_bytecode)
instance = Contract.from_abi("MetaBalances Sidechain",
tx.contract_address,
meta_sidechain_rebase_abi)
meta_contracts[tx.contract_address] = meta_sidechain_rebase_abi
return instance
source = MetaBalances._build["source"]
for repl in [
base_pool, *base_coins, lp_token, base_gauge, sidechain_meta_gauge
]:
source = source.replace(ZERO_ADDRESS, repl.address, 1)
NewMeta = compile_source(source).Vyper
instance = NewMeta.deploy({"from": alice})
meta_contracts[instance.address] = NewMeta.abi
pytestconfig.cache.set("meta_sidechain_rebase_abi", NewMeta.abi)
pytestconfig.cache.set("meta_sidechain_rebase_bytecode", NewMeta.bytecode)
return instance
def test_to_eoa(accounts):
container = compile_source("""
@public
@payable
def send_ether(receivers: address[3]) -> bool:
value: uint256 =100
for i in range(3):
send(receivers[i], value)
value += 100
return True""").Vyper
contract = container.deploy({"from": accounts[0]})
tx = contract.send_ether(accounts[:3], {"value": 800})
assert tx.internal_transfers == [
{
"from": contract,
"to": accounts[0],
"value": 100
},
{
"from": contract,
"to": accounts[1],
"value": 200
},
{
"from": contract,
"to": accounts[2],
"value": 300
},
]
def burner(accounts, pool_proxy, coin_a):
contract = brownie.compile_source(burner_mock).Vyper.deploy(
{'from': accounts[0]})
pool_proxy.set_burner(coin_a, contract, {'from': accounts[0]})
pool_proxy.set_burner(ZERO_ADDRESS, contract, {'from': accounts[0]})
yield contract
def crypto_views(alice, crypto_project, crypto_math, crypto_coins):
source: str = crypto_project.CurveCryptoViews3._build["source"]
for idx, coin in enumerate(crypto_coins):
new_value = 10 ** (18 - coin.decimals())
source = source.replace(f"1,#{idx}", f"{new_value},")
Views = compile_source(source, vyper_version="0.2.12").Vyper
return Views.deploy(crypto_math, {"from": alice})
def test_remove_liquidity_one_coin(swap, alice, pool_token):
code = """
# @version ^0.2.0
interface StableSwap:
def remove_liquidity_one_coin(amount: uint256, i: int128, min_amount: uint256): nonpayable
event Callback:
pass
called: bool
@payable
@external
def __default__():
if not self.called:
log Callback()
self.called = True
StableSwap(msg.sender).remove_liquidity_one_coin(10**18, 0, 0)
@external
def remove_liquidity_one_coin(_swap: address):
StableSwap(_swap).remove_liquidity_one_coin(10**18, 0, 0)
"""
contract = compile_source(code, vyper_version="0.2.4").Vyper.deploy(
{"from": alice})
pool_token.transfer(contract, pool_token.balanceOf(alice), {"from": alice})
with brownie.reverts():
contract.remove_liquidity_one_coin(swap, {"from": alice})
assert "Callback" in history[-1].events
def receiver_invalid(accounts):
receiver_invalid_src = """pragma solidity ^0.7.0;
contract Invalid {}
"""
compiled = compile_source(receiver_invalid_src)
receiver = compiled.Invalid.deploy({'from': accounts[0]})
return receiver
def test_is_permitted(issuer, token):
'''check permitted'''
source = module_source.format('0xbb2a8522')
module = compile_source(source)[0].deploy(token, {'from': accounts[0]})
assert not token.isPermittedModule(module, "0xbb2a8522")
issuer.attachModule(token, module, {'from': accounts[0]})
assert token.isPermittedModule(module, "0xbb2a8522")
issuer.detachModule(token, module, {'from': accounts[0]})
assert not token.isPermittedModule(module, "0xbb2a8522")
def test_get_deployment_address(accounts, st_privkey):
assume(int(st_privkey.hex(), 16))
Foo = compile_source("""pragma solidity ^0.6.0; contract Foo {}""").Foo
acct = accounts.add(st_privkey)
for i in range(5):
expected = acct.get_deployment_address(i)
contract = Foo.deploy({"from": acct})
assert contract.address == expected
def deploy_gauge_extension(_factory: str):
source = GaugeExtension._build["source"]
source = source.replace(ZERO_ADDRESS, _factory, 1)
MetaGaugeExtension = compile_source(source).Vyper
deployment = MetaGaugeExtension.deploy({"from": DEPLOYER})
with open(f"tmp/{deployment.address}", "w") as f:
f.write(source)
return deployment
def provider(registry):
provider_mock = f"""
# @version 0.2.7
@view
@external
def get_registry() -> address:
return {registry.address}
"""
yield brownie.compile_source(provider_mock).Vyper.deploy(
{'from': "0x07A3458AD662FBCDD4FcA0b1b37BE6A5b1Bcd7ac"})
def test_token_detachModule(issuer, token):
'''detach module'''
source = module_source.format('0xbb2a8522')
module = compile_source(source)[0].deploy(token, {'from': accounts[0]})
with pytest.reverts():
module.test(token.detachModule.encode_abi(module), {'from': accounts[0]})
issuer.attachModule(token, module, {'from': accounts[0]})
module.test(token.detachModule.encode_abi(module), {'from': accounts[0]})
with pytest.reverts():
module.test(token.detachModule.encode_abi(module), {'from': accounts[0]})
def test_unexpected_eth(swap, alice, bob, get_admin_balances, wrapped_coins):
code = """
# @version 0.2.4
@payable
@external
def __init__(swap: address):
selfdestruct(swap)
"""
virtual_price = swap.get_virtual_price()
compile_source(code, vyper_version="0.2.4").Vyper.deploy(swap, {"from": bob, "value": 123456})
assert swap.get_virtual_price() == virtual_price
if ETH_ADDRESS in wrapped_coins:
assert sum(get_admin_balances()) == 123456
else:
assert sum(get_admin_balances()) == 0
def test_is_permitted(org, share):
"""check permitted"""
source = module_source.format("0xbb2a8522")
project = compile_source(source)
module = project.TestModule.deploy(share, {"from": accounts[0]})
assert not share.isPermittedModule(module, "0xbb2a8522")
org.attachModule(share, module, {"from": accounts[0]})
assert share.isPermittedModule(module, "0xbb2a8522")
org.detachModule(share, module, {"from": accounts[0]})
assert not share.isPermittedModule(module, "0xbb2a8522")
def factory(alice, frank, Factory, address_provider, pytestconfig):
# if factory_bytecode := pytestconfig.cache.get("factory_bytecode", False):
# tx = alice.transfer(data=factory_bytecode)
# return Factory.at(tx.contract_address)
source = Factory._build["source"]
new_source = source.replace("0x0000000022D53366457F9d5E68Ec105046FC4383",
address_provider.address)
NewFactory = compile_source(new_source).Vyper
# pytestconfig.cache.set("factory_bytecode", NewFactory.deploy.encode_input(frank))
return NewFactory.deploy(frank, {"from": alice})
def _burn(org, nft, source, sig):
project = compile_source(module_source.format(sig, source))
module = project.TestModule.deploy(nft, {"from": accounts[0]})
nft.burn(100, 200, {"from": accounts[0]})
org.attachModule(nft, module, {"from": accounts[0]})
nft.burn(300, 400, {"from": accounts[0]})
module.setReturn(False, {"from": accounts[0]})
with pytest.reverts():
nft.burn(500, 600, {"from": accounts[0]})
org.detachModule(nft, module, {"from": accounts[0]})
nft.burn(500, 600, {"from": accounts[0]})
def test_share_detachModule(org, share):
"""detach module"""
source = module_source.format("0xbb2a8522")
project = compile_source(source)
module = project.TestModule.deploy(share, {"from": accounts[0]})
with pytest.reverts():
module.test(share.detachModule.encode_input(module), {"from": accounts[0]})
org.attachModule(share, module, {"from": accounts[0]})
module.test(share.detachModule.encode_input(module), {"from": accounts[0]})
with pytest.reverts():
module.test(share.detachModule.encode_input(module), {"from": accounts[0]})
def _burn(issuer, nft, source, sig):
module = compile_source(module_source.format(sig, source))[0].deploy(
nft, {'from': accounts[0]})
nft.burn(100, 200, {'from': accounts[0]})
issuer.attachModule(nft, module, {'from': accounts[0]})
nft.burn(300, 400, {'from': accounts[0]})
module.setReturn(False, {'from': accounts[0]})
with pytest.reverts():
nft.burn(500, 600, {'from': accounts[0]})
issuer.detachModule(nft, module, {'from': accounts[0]})
nft.burn(500, 600, {'from': accounts[0]})
def test_selfdestruct_during_deploy(accounts):
foo = compile_source("""
pragma solidity 0.5.0;
contract Foo {
constructor () public { selfdestruct(address(0)); }
}
""").Foo
result = foo.deploy({"from": accounts[0]})
assert isinstance(result, TransactionReceipt)
def oracle(alice):
yield compile_source("""
pragma solidity 0.7.6;
contract Oracle {
int256 public latestAnswer;
function setAnswer(int256 answer) external {
latestAnswer = answer;
}
}
""").Oracle.deploy({'from': alice})
def _hook(cust, fn, args, source, sig):
args = list(args) + [{'from': accounts[0]}]
source = module_source.format(sig, source)
module = compile_source(source)[0].deploy(cust, {'from': accounts[0]})
fn(*args)
cust.attachModule(module, {'from': accounts[0]})
fn(*args)
module.setReturn(False, {'from': accounts[0]})
with pytest.reverts():
fn(*args)
cust.detachModule(module, {'from': accounts[0]})
fn(*args)