def deploy_dependencies_symbols(all_contract):
dependencies = {}
symbols_to_contract = dict()
for contract_name in all_contract:
symbol = solidity_library_symbol(contract_name)
if symbol in symbols_to_contract:
raise ValueError('Conflicting library names.')
symbols_to_contract[symbol] = contract_name
for contract_name, contract in all_contract.items():
unresolved_symbols = solidity_unresolved_symbols(contract['bin_hex'])
dependencies[contract_name] = [
symbols_to_contract[unresolved]
for unresolved in unresolved_symbols
]
return dependencies
def deploy_solidity_contract(
self, # pylint: disable=too-many-locals
sender,
contract_name,
all_contracts,
libraries,
constructor_parameters,
contract_path=None,
timeout=None,
gasprice=GAS_PRICE):
"""
Deploy a solidity contract.
Args:
sender (address): the sender address
contract_name (str): the name of the contract to compile
all_contracts (dict): the json dictionary containing the result of compiling a file
libraries (list): A list of libraries to use in deployment
constructor_parameters (tuple): A tuple of arguments to pass to the constructor
contract_path (str): If we are dealing with solc >= v0.4.9 then the path
to the contract is a required argument to extract
the contract data from the `all_contracts` dict.
timeout (int): Amount of time to poll the chain to confirm deployment
gasprice: The gasprice to provide for the transaction
"""
if contract_name in all_contracts:
contract_key = contract_name
elif contract_path is not None:
_, filename = os.path.split(contract_path)
contract_key = filename + ':' + contract_name
if contract_key not in all_contracts:
raise ValueError('Unknown contract {}'.format(contract_name))
else:
raise ValueError(
'Unknown contract {} and no contract_path given'.format(
contract_name))
libraries = dict(libraries)
contract = all_contracts[contract_key]
contract_interface = contract['abi']
symbols = solidity_unresolved_symbols(contract['bin_hex'])
if symbols:
available_symbols = map(solidity_library_symbol,
all_contracts.keys())
unknown_symbols = set(symbols) - set(available_symbols)
if unknown_symbols:
msg = 'Cannot deploy contract, known symbols {}, unresolved symbols {}.'.format(
available_symbols,
unknown_symbols,
)
raise Exception(msg)
dependencies = deploy_dependencies_symbols(all_contracts)
deployment_order = dependencies_order_of_build(
contract_key, dependencies)
deployment_order.pop() # remove `contract_name` from the list
log.debug('Deploying dependencies: {}'.format(
str(deployment_order)))
for deploy_contract in deployment_order:
dependency_contract = all_contracts[deploy_contract]
hex_bytecode = solidity_resolve_symbols(
dependency_contract['bin_hex'], libraries)
bytecode = unhexlify(hex_bytecode)
dependency_contract['bin_hex'] = hex_bytecode
dependency_contract['bin'] = bytecode
transaction_hash_hex = self.send_transaction(
sender,
to='',
data=bytecode,
gasprice=gasprice,
)
transaction_hash = unhexlify(transaction_hash_hex)
self.poll(transaction_hash, timeout=timeout)
receipt = self.eth_getTransactionReceipt(transaction_hash)
contract_address = receipt['contractAddress']
# remove the hexadecimal prefix 0x from the address
contract_address = contract_address[2:]
libraries[deploy_contract] = contract_address
deployed_code = self.eth_getCode(unhexlify(contract_address))
if deployed_code == '0x':
raise RuntimeError(
'Contract address has no code, check gas usage.')
hex_bytecode = solidity_resolve_symbols(contract['bin_hex'],
libraries)
bytecode = unhexlify(hex_bytecode)
contract['bin_hex'] = hex_bytecode
contract['bin'] = bytecode
if constructor_parameters:
translator = ContractTranslator(contract_interface)
parameters = translator.encode_constructor_arguments(
constructor_parameters)
bytecode = contract['bin'] + parameters
else:
bytecode = contract['bin']
transaction_hash_hex = self.send_transaction(
sender,
to='',
data=bytecode,
gasprice=gasprice,
)
transaction_hash = unhexlify(transaction_hash_hex)
self.poll(transaction_hash, timeout=timeout)
receipt = self.eth_getTransactionReceipt(transaction_hash)
contract_address = receipt['contractAddress']
deployed_code = self.eth_getCode(unhexlify(contract_address[2:]))
if deployed_code == '0x':
raise RuntimeError(
'Deployment of {} failed. Contract address has no code, check gas usage.'
.format(contract_name, ))
return self.new_contract_proxy(
contract_interface,
contract_address,
)
def deploy_solidity_contract(
self,
sender,
contract_name,
all_contracts, # pylint: disable=too-many-locals
libraries,
constructor_parameters,
timeout=None,
gasprice=denoms.wei):
if contract_name not in all_contracts:
raise ValueError('Unkonwn contract {}'.format(contract_name))
libraries = dict(libraries)
contract = all_contracts[contract_name]
contract_interface = contract['abi']
symbols = solidity_unresolved_symbols(contract['bin_hex'])
if symbols:
available_symbols = map(solidity_library_symbol,
all_contracts.keys()) # pylint: disable=bad-builtin
unknown_symbols = set(symbols) - set(available_symbols)
if unknown_symbols:
msg = 'Cannot deploy contract, known symbols {}, unresolved symbols {}.'.format(
available_symbols,
unknown_symbols,
)
raise Exception(msg)
dependencies = deploy_dependencies_symbols(all_contracts)
deployment_order = dependencies_order_of_build(
contract_name, dependencies)
deployment_order.pop() # remove `contract_name` from the list
log.debug('Deploing dependencies: {}'.format(
str(deployment_order)))
for deploy_contract in deployment_order:
dependency_contract = all_contracts[deploy_contract]
hex_bytecode = solidity_resolve_symbols(
dependency_contract['bin_hex'], libraries)
bytecode = hex_bytecode.decode('hex')
dependency_contract['bin_hex'] = hex_bytecode
dependency_contract['bin'] = bytecode
transaction_hash = self.send_transaction(
sender,
to='',
data=bytecode,
gasprice=gasprice,
)
self.poll(transaction_hash.decode('hex'), timeout=timeout)
receipt = self.call('eth_getTransactionReceipt',
'0x' + transaction_hash)
contract_address = receipt['contractAddress']
contract_address = contract_address[
2:] # remove the hexadecimal prefix 0x from the address
libraries[deploy_contract] = contract_address
deployed_code = self.call('eth_getCode', contract_address,
'latest')
if deployed_code == '0x':
raise RuntimeError(
"Contract address has no code, check gas usage.")
hex_bytecode = solidity_resolve_symbols(contract['bin_hex'],
libraries)
bytecode = hex_bytecode.decode('hex')
contract['bin_hex'] = hex_bytecode
contract['bin'] = bytecode
if constructor_parameters:
translator = ContractTranslator(contract_interface)
parameters = translator.encode_constructor_arguments(
constructor_parameters)
bytecode = contract['bin'] + parameters
else:
bytecode = contract['bin']
transaction_hash = self.send_transaction(
sender,
to='',
data=bytecode,
gasprice=gasprice,
)
self.poll(transaction_hash.decode('hex'), timeout=timeout)
receipt = self.call('eth_getTransactionReceipt',
'0x' + transaction_hash)
contract_address = receipt['contractAddress']
deployed_code = self.call('eth_getCode', contract_address, 'latest')
if deployed_code == '0x':
raise RuntimeError(
"Deployment of {} failed. Contract address has no code, check gas usage."
.format(contract_name))
return ContractProxy(
sender,
contract_interface,
contract_address,
self.eth_call,
self.send_transaction,
)