def beacon( implementation_address: str, owner_address: str, jsonrpc: str, gas_price: int, nonce: int, keystore: str, ): """Used to deploy an owned beacon pointing to an implementation address""" web3 = connect_to_json_rpc(jsonrpc) private_key = retrieve_private_key(keystore) nonce = get_nonce(web3=web3, nonce=nonce, private_key=private_key) transaction_options = build_transaction_options( gas=None, gas_price=gas_price, nonce=nonce ) beacon = deploy_beacon( web3, implementation_address, owner_address, private_key=private_key, transaction_options=transaction_options, ) click.secho( f"Beacon successfully deployed at address {beacon.address} with owner {beacon.functions.owner().call()}" )
def unfreeze_and_remove_owner( currency_network_address: str, jsonrpc: str, gas_price: int, nonce: int, keystore: str, ): web3 = connect_to_json_rpc(jsonrpc) private_key = retrieve_private_key(keystore) nonce = get_nonce(web3=web3, nonce=nonce, private_key=private_key) transaction_options = build_transaction_options( gas=None, gas_price=gas_price, nonce=nonce ) unfreeze_owned_network( web3=web3, transaction_options=transaction_options, private_key=private_key, currency_network_address=currency_network_address, ) increase_transaction_options_nonce(transaction_options) remove_owner_of_network( web3=web3, transaction_options=transaction_options, private_key=private_key, currency_network_address=currency_network_address, )
def deploy_and_migrate( addresses_file_path: str, output_file_path: str, beacon_address: str, owner_address: str, jsonrpc: str, gas_price: int, nonce: int, keystore: str, ): web3 = connect_to_json_rpc(jsonrpc) private_key = retrieve_private_key(keystore) nonce = get_nonce(web3=web3, nonce=nonce, private_key=private_key) transaction_options = build_transaction_options( gas=None, gas_price=gas_price, nonce=nonce ) deploy_and_migrate_networks_from_file( web3=web3, addresses_file_path=addresses_file_path, beacon_address=beacon_address, owner_address=owner_address, private_key=private_key, transaction_options=transaction_options, output_file_path=output_file_path, )
def close( auction_address, keystore: str, jsonrpc: str, gas: int, gas_price: int, nonce: int, auto_nonce: bool, ): web3 = connect_to_json_rpc(jsonrpc) private_key = retrieve_private_key(keystore) contracts = get_deployed_auction_contracts(web3, auction_address) nonce = get_nonce(web3=web3, nonce=nonce, auto_nonce=auto_nonce, private_key=private_key) transaction_options = build_transaction_options(gas=gas, gas_price=gas_price, nonce=nonce) auction_close = contracts.auction.functions.closeAuction() send_function_call_transaction( auction_close, web3=web3, transaction_options=transaction_options, private_key=private_key, )
def migration( old_addresses_file_path: str, new_addresses_file_path: str, jsonrpc: str, gas_price: int, nonce: int, keystore: str, ): """Used to migrate old currency networks to new ones It will fetch information about users in the old contract and set them in the one The address files should contain currency network addresses with address matching from one file to the other from top to bottom""" web3 = connect_to_json_rpc(jsonrpc) private_key = retrieve_private_key(keystore) nonce = get_nonce(web3=web3, nonce=nonce, private_key=private_key) transaction_options = build_transaction_options( gas=None, gas_price=gas_price, nonce=nonce ) migrate_networks( web3, old_addresses_file_path, new_addresses_file_path, transaction_options, private_key, )
def deploy_foreign( keystore: str, jsonrpc: str, gas: int, gas_price: int, nonce: int, auto_nonce: bool, token_address, ) -> None: web3 = connect_to_json_rpc(jsonrpc) private_key = retrieve_private_key(keystore) nonce = get_nonce( web3=web3, nonce=nonce, auto_nonce=auto_nonce, private_key=private_key ) transaction_options = build_transaction_options( gas=gas, gas_price=gas_price, nonce=nonce ) foreign_bridge_contract = deploy_foreign_bridge_contract( token_contract_address=token_address, web3=web3, transaction_options=transaction_options, private_key=private_key, ) click.echo(f"ForeignBridge address: {foreign_bridge_contract.address}") click.echo(f" deployed at block #{web3.eth.blockNumber}")
def deploy_home( keystore: str, gas: int, gas_price: int, nonce: int, auto_nonce: bool, jsonrpc: str, validator_proxy_address: str, validators_required_percent: int, ) -> None: web3 = connect_to_json_rpc(jsonrpc) private_key = retrieve_private_key(keystore) nonce = get_nonce( web3=web3, nonce=nonce, auto_nonce=auto_nonce, private_key=private_key ) transaction_options = build_transaction_options( gas=gas, gas_price=gas_price, nonce=nonce ) home_bridge_contract = deploy_home_bridge_contract( validator_proxy_contract_address=validator_proxy_address, validators_required_percent=validators_required_percent, web3=web3, transaction_options=transaction_options, private_key=private_key, ) click.echo(f"HomeBridge address: {home_bridge_contract.address}") click.echo(f" deployed at block #{web3.eth.blockNumber}")
def exchange(jsonrpc: str, gas: int, gas_price: int, nonce: int, auto_nonce: bool, keystore: str): """Deploy an exchange contract and a contract to wrap Ether into an ERC 20 token. """ web3 = connect_to_json_rpc(jsonrpc) private_key = retrieve_private_key(keystore) nonce = get_nonce(web3=web3, nonce=nonce, auto_nonce=auto_nonce, private_key=private_key) transaction_options = build_transaction_options(gas=gas, gas_price=gas_price, nonce=nonce) exchange_contract = deploy_exchange( web3=web3, transaction_options=transaction_options, private_key=private_key) exchange_address = exchange_contract.address unw_eth_contract = deploy_unw_eth( web3=web3, transaction_options=transaction_options, private_key=private_key, exchange_address=exchange_address, ) unw_eth_address = unw_eth_contract.address click.echo("Exchange: {}".format(to_checksum_address(exchange_address))) click.echo("Unwrapping ether: {}".format( to_checksum_address(unw_eth_address)))
def report_via_file( keystore: str, gas: int, gas_price: int, nonce: int, auto_nonce: bool, jsonrpc: str, contract_address, equivocation_report, ) -> None: web3 = connect_to_json_rpc(jsonrpc) private_key = retrieve_private_key(keystore) nonce = get_nonce(web3=web3, nonce=nonce, auto_nonce=auto_nonce, private_key=private_key) transaction_options = build_transaction_options(gas=gas, gas_price=gas_price, nonce=nonce) tx_hash = report_malicious_validator( web3, transaction_options, private_key, contract_address, equivocation_report["unsigned_block_header_one"], equivocation_report["signature_one"], equivocation_report["unsigned_block_header_two"], equivocation_report["signature_two"], ) click.echo(f"Transaction hash: {tx_hash}")
def deploy( keystore: str, jsonrpc: str, gas: int, gas_price: int, nonce: int, auto_nonce: bool, token_address: str, airdrop_file_name: str, decay_start_time: int, decay_start_date: pendulum.DateTime, decay_duration: int, ) -> None: if decay_start_date is not None and decay_start_time is not None: raise click.BadParameter( "Both --decay-start-date and --decay-start-time have been specified" ) if decay_start_date is None and decay_start_time is None: raise click.BadParameter( "Please specify a decay start date with --decay-start-date or --decay-start-time" ) if decay_start_date is not None: decay_start_time = int(decay_start_date.timestamp()) web3 = connect_to_json_rpc(jsonrpc) private_key = retrieve_private_key(keystore) nonce = get_nonce(web3=web3, nonce=nonce, auto_nonce=auto_nonce, private_key=private_key) transaction_options = build_transaction_options(gas=gas, gas_price=gas_price, nonce=nonce) airdrop_data = load_airdrop_file(airdrop_file_name) airdrop_items = to_items(airdrop_data) merkle_root = compute_merkle_root(airdrop_items) constructor_args = ( token_address, sum_of_airdropped_tokens(airdrop_items), merkle_root, decay_start_time, decay_duration, ) merkle_drop = deploy_merkle_drop( web3=web3, transaction_options=transaction_options, private_key=private_key, constructor_args=constructor_args, ) click.echo(f"MerkleDrop address: {merkle_drop.address}") click.echo(f"Merkle root: {encode_hex(merkle_root)}")
def identity_proxy_factory( jsonrpc: str, gas: int, gas_price: int, nonce: int, keystore: str ): """Deploy an identity proxy factory, which can be used to create proxies for identity contracts.""" web3 = connect_to_json_rpc(jsonrpc) private_key = retrieve_private_key(keystore) nonce = get_nonce(web3=web3, nonce=nonce, private_key=private_key) transaction_options = build_transaction_options( gas=gas, gas_price=gas_price, nonce=nonce ) identity_proxy_factory = deploy_identity_proxy_factory( web3=web3, transaction_options=transaction_options, private_key=private_key ) click.echo( "Identity proxy factory: {}".format( to_checksum_address(identity_proxy_factory.address) ) )
def identity_implementation(jsonrpc: str, gas: int, gas_price: int, nonce: int, auto_nonce: bool, keystore: str): """Deploy an identity contract without initializing it. Can be used as the implementation for deployed identity proxies. """ web3 = connect_to_json_rpc(jsonrpc) private_key = retrieve_private_key(keystore) nonce = get_nonce(web3=web3, nonce=nonce, auto_nonce=auto_nonce, private_key=private_key) transaction_options = build_transaction_options(gas=gas, gas_price=gas_price, nonce=nonce) identity_implementation = deploy_identity_implementation( web3=web3, transaction_options=transaction_options, private_key=private_key) click.echo("Identity implementation: {}".format( to_checksum_address(identity_implementation.address)))
def whitelist( whitelist_file: str, auction_address: str, batch_size: int, keystore: str, jsonrpc: str, gas: int, gas_price: int, nonce: int, auto_nonce: bool, ) -> None: web3 = connect_to_json_rpc(jsonrpc) whitelist = read_addresses_in_csv(whitelist_file) private_key = retrieve_private_key(keystore) nonce = get_nonce(web3=web3, nonce=nonce, auto_nonce=auto_nonce, private_key=private_key) transaction_options = build_transaction_options(gas=gas, gas_price=gas_price, nonce=nonce) contracts = get_deployed_auction_contracts(web3, auction_address) number_of_whitelisted_addresses = whitelist_addresses( contracts.auction, whitelist, batch_size=batch_size, web3=web3, transaction_options=transaction_options, private_key=private_key, ) click.echo("Number of whitelisted addresses: " + str(number_of_whitelisted_addresses))
def currency_network_proxy( name: str, symbol: str, decimals: int, jsonrpc: str, fee_rate: float, default_interest_rate: float, custom_interests: bool, prevent_mediator_interests: bool, expiration_time: int, expiration_date: pendulum.DateTime, beacon_address: str, owner_address: str, gas: int, gas_price: int, nonce: int, keystore: str, ): """Deploy an AdministrativeProxy contract eventually pointing towards a currency network contract with custom network settings and proxy owner. If the currency network contract is of type AdministrativeProxy, one may need to unfreeze it and remove the owner to use it.""" if custom_interests and default_interest_rate != 0.0: raise click.BadParameter( "Custom interests can only be set without a" " default interest rate, but was {}%.".format(default_interest_rate) ) if prevent_mediator_interests and not custom_interests: raise click.BadParameter( "Prevent mediator interests is not necessary if custom interests are disabled." ) if expiration_date is not None and expiration_time is not None: raise click.BadParameter( "Both --expiration-date and --expiration-times have been specified." ) if expiration_date is None and expiration_time is None: expiration_time = 0 if expiration_date is not None: expiration_time = int(expiration_date.timestamp()) fee_divisor = 1 / fee_rate * 100 if fee_rate != 0 else 0 if int(fee_divisor) != fee_divisor: raise click.BadParameter("This fee rate is not usable") fee_divisor = int(fee_divisor) default_interest_rate = default_interest_rate * 100 if int(default_interest_rate) != default_interest_rate: raise click.BadParameter("This default interest rate is not usable") default_interest_rate = int(default_interest_rate) web3 = connect_to_json_rpc(jsonrpc) private_key = retrieve_private_key(keystore) nonce = get_nonce(web3=web3, nonce=nonce, private_key=private_key) transaction_options = build_transaction_options( gas=gas, gas_price=gas_price, nonce=nonce ) network_settings = NetworkSettings( name=name, symbol=symbol, decimals=decimals, fee_divisor=fee_divisor, default_interest_rate=default_interest_rate, custom_interests=custom_interests, prevent_mediator_interests=prevent_mediator_interests, expiration_time=expiration_time, ) contract = deploy_currency_network_proxy( web3=web3, network_settings=network_settings, beacon_address=beacon_address, owner_address=owner_address, private_key=private_key, transaction_options=transaction_options, ) click.echo( "CurrencyNetwork(name={name}, symbol={symbol}, " "decimals={decimals}, fee_divisor={fee_divisor}, " "default_interest_rate={default_interest_rate}, " "custom_interests={custom_interests}, " "prevent_mediator_interests={prevent_mediator_interests}): {address}".format( name=name, symbol=symbol, decimals=decimals, fee_divisor=fee_divisor, default_interest_rate=default_interest_rate, custom_interests=custom_interests, prevent_mediator_interests=prevent_mediator_interests, address=to_checksum_address(contract.address), ) )
def test( jsonrpc: str, file: str, gas: int, gas_price: int, nonce: int, keystore: str, currency_network_contract_name: str, ): """Deploy three test currency network contracts connected to an exchange contract and an unwrapping ether contract. Also deploys an identity proxy factory and an identity implementation contract. This can be used for testing""" expiration_time = 4_102_444_800 # 01/01/2100 network_settings = [ NetworkSettings( name="Euro", symbol="EUR", decimals=4, fee_divisor=1000, default_interest_rate=0, custom_interests=True, expiration_time=expiration_time, prevent_mediator_interests=False, ), NetworkSettings( name="Hours", symbol="HOURS", decimals=4, fee_divisor=0, default_interest_rate=1000, custom_interests=False, expiration_time=expiration_time, prevent_mediator_interests=False, ), NetworkSettings( name="Beer", symbol="BEER", decimals=0, fee_divisor=0, default_interest_rate=0, custom_interests=False, expiration_time=expiration_time, prevent_mediator_interests=False, ), ] web3 = connect_to_json_rpc(jsonrpc) private_key = retrieve_private_key(keystore) nonce = get_nonce(web3=web3, nonce=nonce, private_key=private_key) transaction_options = build_transaction_options( gas=gas, gas_price=gas_price, nonce=nonce ) networks, exchange, unw_eth = deploy_networks( web3, network_settings, currency_network_contract_name=currency_network_contract_name, transaction_options=transaction_options, ) identity_implementation = deploy_identity_implementation( web3=web3, transaction_options=transaction_options, private_key=private_key ) second_identity_implementation = deploy_identity_implementation( web3=web3, transaction_options=transaction_options, private_key=private_key ) identity_proxy_factory = deploy_identity_proxy_factory( web3=web3, transaction_options=transaction_options, private_key=private_key ) addresses = dict() network_addresses = [network.address for network in networks] exchange_address = exchange.address unw_eth_address = unw_eth.address addresses["networks"] = network_addresses addresses["exchange"] = exchange_address addresses["unwEth"] = unw_eth_address # TODO: remove address["identityImplementation"], left for backward compatibility addresses["identityImplementation"] = identity_implementation.address addresses["identityProxyFactory"] = identity_proxy_factory.address addresses["identityImplementations"] = [ identity_implementation.address, second_identity_implementation.address, ] if file: with open(file, "w") as outfile: json.dump(addresses, outfile) click.echo("Exchange: {}".format(to_checksum_address(exchange_address))) click.echo("Unwrapping ether: {}".format(to_checksum_address(unw_eth_address))) click.echo( "Identity proxy factory: {}".format( to_checksum_address(identity_proxy_factory.address) ) ) click.echo( "Identity implementations: {} and {}".format( to_checksum_address(identity_implementation.address), to_checksum_address(second_identity_implementation.address), ) ) for settings, address in zip(network_settings, network_addresses): click.echo( "CurrencyNetwork({settings}) at {address}".format( settings=settings, address=to_checksum_address(address) ) )
def deploy( start_price: int, auction_duration: int, minimal_number_of_participants: int, maximal_number_of_participants: int, release_timestamp: int, release_date: pendulum.DateTime, keystore: str, jsonrpc: str, gas: int, gas_price: int, nonce: int, auto_nonce: bool, ) -> None: if release_date is not None and release_timestamp is not None: raise click.BadParameter( f"Both --release-date and --release-timestamp have been specified") if release_date is None and release_timestamp is None: raise click.BadParameter( f"Please specify a release date with --release-date or --release-timestamp" ) if release_date is not None: release_timestamp = int(release_date.timestamp()) web3 = connect_to_json_rpc(jsonrpc) private_key = retrieve_private_key(keystore) auction_options = AuctionOptions( start_price * ETH_IN_WEI, auction_duration, minimal_number_of_participants, maximal_number_of_participants, release_timestamp, ) nonce = get_nonce(web3=web3, nonce=nonce, auto_nonce=auto_nonce, private_key=private_key) transaction_options = build_transaction_options(gas=gas, gas_price=gas_price, nonce=nonce) contracts = deploy_auction_contracts( web3=web3, transaction_options=transaction_options, private_key=private_key, auction_options=auction_options, ) initialize_auction_contracts( web3=web3, transaction_options=transaction_options, contracts=contracts, release_timestamp=release_timestamp, private_key=private_key, ) click.echo("Auction address: " + contracts.auction.address) click.echo("Deposit locker address: " + contracts.locker.address) click.echo("Validator slasher address: " + contracts.slasher.address)
def deploy( start_price: int, auction_duration: int, minimal_number_of_participants: int, maximal_number_of_participants: int, use_token: bool, token_address: Optional[str], release_timestamp: int, release_date: pendulum.DateTime, keystore: str, jsonrpc: str, gas: int, gas_price: int, nonce: int, auto_nonce: bool, already_deployed_auction, already_deployed_locker, already_deployed_slasher, ) -> None: if use_token and token_address is None: raise click.BadParameter( "The flag `use-token` was provided, the token address must also be provided via `token-address`" ) if token_address is not None and not use_token: raise click.BadParameter( "A token address has been provided, " "please use the flag --use-token to confirm you want to deploy a token auction" ) if release_date is not None and release_timestamp is not None: raise click.BadParameter( "Both --release-date and --release-timestamp have been specified") if release_date is None and release_timestamp is None: raise click.BadParameter( "Please specify a release date with --release-date or --release-timestamp" ) if already_deployed_auction is not None and already_deployed_locker is None: raise click.BadOptionUsage( "--auction", "Cannot resume deployment from already deployed auction without already deployed locker. " "Locker address is part of auction's constructor argument.", ) if release_date is not None: release_timestamp = int(release_date.timestamp()) web3 = connect_to_json_rpc(jsonrpc) private_key = retrieve_private_key(keystore) auction_options = AuctionOptions( start_price * ETH_IN_WEI, auction_duration, minimal_number_of_participants, maximal_number_of_participants, release_timestamp, token_address, ) nonce = get_nonce(web3=web3, nonce=nonce, auto_nonce=auto_nonce, private_key=private_key) transaction_options = build_transaction_options(gas=gas, gas_price=gas_price, nonce=nonce) contracts = deploy_auction_contracts( web3=web3, transaction_options=transaction_options, private_key=private_key, auction_options=auction_options, already_deployed_contracts=DeployedContractsAddresses( already_deployed_locker, already_deployed_slasher, already_deployed_auction), ) initialize_auction_contracts( web3=web3, transaction_options=transaction_options, contracts=contracts, release_timestamp=release_timestamp, token_address=token_address, private_key=private_key, ) slasher: Contract = contracts.slasher click.echo("Auction address: " + contracts.auction.address) click.echo("Deposit locker address: " + contracts.locker.address) click.echo("Validator slasher address: " + slasher.address) warning_messages = get_errors_messages_on_contracts_links(contracts) if warning_messages: warning_messages.append( "Verify what is wrong with `auction-deploy status`.") click.secho(linesep.join(warning_messages), fg="red")
def test( jsonrpc: str, file: str, gas: int, gas_price: int, nonce: int, auto_nonce: bool, keystore: str, currency_network_contract_name: str, ): """Deploy three test currency network contracts connected to an exchange contract and an unwrapping ether contract. Also deploys an identity proxy factory and a identity implementation contract. This can be used for testing""" expiration_time = 4_102_444_800 # 01/01/2100 network_settings = [ { "name": "Cash", "symbol": "CASH", "decimals": 4, "fee_divisor": 1000, "default_interest_rate": 0, "custom_interests": True, "expiration_time": expiration_time, }, { "name": "Work Hours", "symbol": "HOU", "decimals": 4, "fee_divisor": 0, "default_interest_rate": 1000, "custom_interests": False, "expiration_time": expiration_time, }, { "name": "Beers", "symbol": "BEER", "decimals": 0, "fee_divisor": 0, "custom_interests": False, "expiration_time": expiration_time, }, ] web3 = connect_to_json_rpc(jsonrpc) private_key = retrieve_private_key(keystore) nonce = get_nonce(web3=web3, nonce=nonce, auto_nonce=auto_nonce, private_key=private_key) transaction_options = build_transaction_options(gas=gas, gas_price=gas_price, nonce=nonce) networks, exchange, unw_eth = deploy_networks( web3, network_settings, currency_network_contract_name=currency_network_contract_name, ) identity_implementation = deploy_identity_implementation( web3=web3, transaction_options=transaction_options, private_key=private_key) identity_proxy_factory = deploy_identity_proxy_factory( web3=web3, transaction_options=transaction_options, private_key=private_key) addresses = dict() network_addresses = [network.address for network in networks] exchange_address = exchange.address unw_eth_address = unw_eth.address addresses["networks"] = network_addresses addresses["exchange"] = exchange_address addresses["unwEth"] = unw_eth_address addresses["identityImplementation"] = identity_implementation.address addresses["identityProxyFactory"] = identity_proxy_factory.address if file: with open(file, "w") as outfile: json.dump(addresses, outfile) click.echo("Exchange: {}".format(to_checksum_address(exchange_address))) click.echo("Unwrapping ether: {}".format( to_checksum_address(unw_eth_address))) click.echo("Identity proxy factory: {}".format( to_checksum_address(identity_proxy_factory.address))) click.echo("Identity implementation: {}".format( to_checksum_address(identity_implementation.address))) for settings, address in zip(network_settings, network_addresses): click.echo("CurrencyNetwork({settings}) at {address}".format( settings=settings, address=to_checksum_address(address)))
def currencynetwork( name: str, symbol: str, decimals: int, jsonrpc: str, fee_rate: float, default_interest_rate: float, custom_interests: bool, prevent_mediator_interests: bool, exchange_contract: str, currency_network_contract_name: str, expiration_time: int, expiration_date: pendulum.DateTime, gas: int, gas_price: int, nonce: int, auto_nonce: bool, keystore: str, ): """Deploy a currency network contract with custom settings and optionally connect it to an exchange contract""" if exchange_contract is not None and not is_checksum_address( exchange_contract): raise click.BadParameter( "{} is not a valid address.".format(exchange_contract)) if custom_interests and default_interest_rate != 0.0: raise click.BadParameter("Custom interests can only be set without a" " default interest rate, but was {}%.".format( default_interest_rate)) if prevent_mediator_interests and not custom_interests: raise click.BadParameter( "Prevent mediator interests is not necessary if custom interests are disabled." ) if expiration_date is not None and expiration_time is not None: raise click.BadParameter( f"Both --expiration-date and --expiration-times have been specified." ) if expiration_date is None and expiration_time is None: expiration_time = 0 if expiration_date is not None: expiration_time = int(expiration_date.timestamp()) fee_divisor = 1 / fee_rate * 100 if fee_rate != 0 else 0 if int(fee_divisor) != fee_divisor: raise click.BadParameter("This fee rate is not usable") fee_divisor = int(fee_divisor) default_interest_rate = default_interest_rate * 100 if int(default_interest_rate) != default_interest_rate: raise click.BadParameter("This default interest rate is not usable") default_interest_rate = int(default_interest_rate) web3 = connect_to_json_rpc(jsonrpc) private_key = retrieve_private_key(keystore) nonce = get_nonce(web3=web3, nonce=nonce, auto_nonce=auto_nonce, private_key=private_key) transaction_options = build_transaction_options(gas=gas, gas_price=gas_price, nonce=nonce) contract = deploy_network( web3, name, symbol, decimals, fee_divisor=fee_divisor, default_interest_rate=default_interest_rate, custom_interests=custom_interests, prevent_mediator_interests=prevent_mediator_interests, exchange_address=exchange_contract, currency_network_contract_name=currency_network_contract_name, expiration_time=expiration_time, transaction_options=transaction_options, private_key=private_key, ) click.echo("CurrencyNetwork(name={name}, symbol={symbol}, " "decimals={decimals}, fee_divisor={fee_divisor}, " "default_interest_rate={default_interest_rate}, " "custom_interests={custom_interests}, " "prevent_mediator_interests={prevent_mediator_interests}, " "exchange_address={exchange_address}): {address}".format( name=name, symbol=symbol, decimals=decimals, fee_divisor=fee_divisor, default_interest_rate=default_interest_rate, custom_interests=custom_interests, prevent_mediator_interests=prevent_mediator_interests, exchange_address=exchange_contract, address=to_checksum_address(contract.address), ))