def deploy_contract(self, contract_name: str, abi: dict, note: str, constructor_args=None) -> _PreparedTransaction:
"""Deploys a contract."""
if not constructor_args:
constructor_args = {}
abi_data = abi[contract_name]
assert "source" in abi_data, "We need to have special postprocessed ABI data bundle, as we need the contract source code for EtherScan verification"
contract_class = Contract.factory(
web3=self.web3,
abi=abi_data["abi"],
bytecode=abi_data["bytecode"],
bytecode_runtime=abi_data["bytecode_runtime"],
)
broadcast_account = self.get_or_create_broadcast_account()
next_nonce = self.get_next_nonce()
# Creates a dict for signing
tx_data = self.generate_tx_data(next_nonce, contract_tx=True)
constructed_txn = contract_class.constructor(**constructor_args).buildTransaction(tx_data)
constructor_arguments = get_constructor_arguments(contract_class, kwargs=constructor_args)
derived_contract_address = mk_contract_address(self.address, next_nonce)
derived_contract_address = to_checksum_address(derived_contract_address.lower())
constructed_txn["to"] = "" # Otherwise database serializer complains about bytes string
tx = self.allocate_transaction(
broadcast_account=broadcast_account,
receiver=None,
contract_address=derived_contract_address,
contract_deployment=True,
nonce=next_nonce,
note=note,
unsigned_payload=constructed_txn,
gas_price=self.gas_price,
gas_limit=self.gas_limit,
)
self.dbsession.flush() # Populate other_data
tx.abi = abi_data
tx.constructor_arguments = constructor_arguments
assert tx.compiler_version
assert tx.flattened_source_code
return tx
def deploy_contract(self,
contract_name: str,
abi: dict,
note: str,
constructor_args=None) -> _PreparedTransaction:
"""Deploys a contract."""
if not constructor_args:
constructor_args = {}
abi_data = abi[contract_name]
contract_class = Contract.factory(
web3=self.web3,
abi=abi_data["abi"],
bytecode=abi_data["bytecode"],
bytecode_runtime=abi_data["bytecode_runtime"],
)
broadcast_account = self.get_or_create_broadcast_account()
next_nonce = self.get_next_nonce()
# Creates a dict for signing
tx_data = self.generate_tx_data(next_nonce, contract_tx=True)
constructed_txn = contract_class.constructor(
**constructor_args).buildTransaction(tx_data)
derived_contract_address = mk_contract_address(self.address,
next_nonce)
derived_contract_address = to_checksum_address(
derived_contract_address.lower())
constructed_txn[
"to"] = "" # Otherwise database serializer complains about bytes string
tx = self.allocate_transaction(
broadcast_account=broadcast_account,
receiver=None,
contract_address=derived_contract_address,
contract_deployment=True,
nonce=next_nonce,
note=note,
unsigned_payload=constructed_txn,
gas_price=self.gas_price,
gas_limit=self.gas_limit,
)
self.dbsession.flush()
return tx