from typing import Any
from typing import Dict
from typing import List
from pytezos.context.impl import ExecutionContext
from pytezos.michelson.program import MichelsonProgram
from pytezos.operation.result import OperationResult
[docs]class ContractCallResult(OperationResult):
"""Encapsulates the result of a contract invocation."""
[docs] @classmethod
def from_run_operation(
cls,
operation_group: Dict[str, Any],
context: ExecutionContext,
) -> List['ContractCallResult']:
"""Get a list of results from an operation group content with metadata.
:param operation_group: {..., "contents": [{..., kind: "transaction", ...}]}
:param context: execution context
:rtype: ContractCallResult
"""
results: List['OperationResult'] = []
for content in OperationResult.iter_contents(operation_group):
if content['kind'] == 'transaction':
if content['destination'] == context.address:
results.append(cls.from_transaction(content))
elif content['kind'] == 'origination':
result = cls.get_result(content)
if context.address in result.get('originated_contracts', []):
results.append(cls.from_origination(content))
program = MichelsonProgram.load(context)
def decode_result(res: OperationResult) -> 'ContractCallResult':
kwargs = {} # type: ignore
if hasattr(res, 'storage') and res.storage is not None: # type: ignore
storage = program.storage.from_micheline_value(res.storage) # type: ignore
if hasattr(res, 'lazy_diff'):
kwargs.update(lazy_diff=res.lazy_diff) # type: ignore
storage = storage.merge_lazy_diff(res.lazy_diff) # type: ignore
kwargs.update(storage=storage.to_python_object())
if hasattr(res, 'parameters'):
parameters = program.parameter.from_parameters(res.parameters) # type: ignore
kwargs.update(parameters=parameters)
if hasattr(res, 'operations'):
kwargs.update(operations=res.operations) # type: ignore
return cls(**kwargs)
return list(map(decode_result, results))
[docs] @classmethod
def from_run_code(cls, response: Dict[str, Any], parameters, context: ExecutionContext) -> 'ContractCallResult':
"""Parse a result of :py:meth:`pytezos.contract.call.ContractCall.run_code` execution.
:param response: RPC response (JSON)
:param parameters: {"entrypoint": str, "value": $Micheline}
:param context: execution context
:rtype: ContractCallResult
"""
program = MichelsonProgram.load(context)
parameters = program.parameter.from_parameters(parameters)
storage = program.storage.from_micheline_value(response['storage'])
extended_storage = storage.merge_lazy_diff(response.get('lazy_storage_diff', []))
return cls(
parameters=parameters.to_python_object(),
storage=extended_storage.to_python_object(lazy_diff=True),
lazy_diff=response.get('lazy_storage_diff', []),
operations=response.get('operations', []),
)