def get_contract_by_name(chain: BaseChain,
name: str) -> web3.contract.Contract:
"""Get web3.Contract class by its name.
Sanity wrapper over everchanging Populus ABI.
"""
contract_data = chain.provider.get_contract_data(name)
# There's a bug in populus where bytecode and bytecode-runtime can't be linked.
# These fields are not needed during interaction with a smart contract,
# so they can be ignored
contract_factory_fields = filter(
lambda x: x not in CONTRACT_FIELDS_TO_REMOVE, CONTRACT_FACTORY_FIELDS)
factory_kwargs = {
key: contract_data[key]
for key in contract_factory_fields if key in contract_data
}
populus_meta = build_populus_meta(chain, contract_data)
Contract = chain.web3.eth.contract(
ContractFactoryClass=PopulusContract,
populus_meta=populus_meta,
**factory_kwargs,
)
return Contract
def get_contract_by_name(chain: BaseChain,
name: str) -> web3.contract.Contract:
"""Get web3.Contract class by its name.
Sanity wrapper over everchanging Populus ABI.
"""
contract_data = chain.provider.get_contract_data(name)
factory_kwargs = {
key: contract_data[key]
for key in CONTRACT_FACTORY_FIELDS if key in contract_data
}
populus_meta = build_populus_meta(chain, contract_data)
Contract = chain.web3.eth.contract(
ContractFactoryClass=PopulusContract,
populus_meta=populus_meta,
**factory_kwargs,
)
return Contract
def get_contract_by_name(chain: BaseChain, name: str) -> web3.contract.Contract:
"""Get web3.Contract class by its name.
Sanity wrapper over everchanging Populus ABI.
"""
contract_data = chain.provider.get_contract_data(name)
factory_kwargs = {
key: contract_data[key]
for key
in CONTRACT_FACTORY_FIELDS
if key in contract_data
}
populus_meta = build_populus_meta(chain, contract_data)
Contract = chain.web3.eth.contract(
ContractFactoryClass=PopulusContract,
populus_meta=populus_meta,
**factory_kwargs,
)
return Contract