def run_view(
entrypoint,
parameter,
storage,
context: ExecutionContext,
) -> Tuple[Any, List[str], Optional[Exception]]:
ctx = ExecutionContext(
shell=context.shell,
key=context.key,
block_id=context.block_id,
script=context.script,
address=context.address,
)
stack = MichelsonStack()
stdout = [] # type: ignore
try:
program = MichelsonProgram.load(ctx, with_code=True)
res = program.instantiate(entrypoint=entrypoint,
parameter=parameter,
storage=storage)
res.begin(stack, stdout, context)
res.execute(stack, stdout, context)
_, _, _, pair = res.end(stack, stdout)
operations = cast(List[OperationType], list(pair.items[0]))
if not len(operations) == 1:
raise Exception(
'Multiple internal operations, not sure which one to pick')
return operations[0].to_python_object(), stdout, None
except MichelsonRuntimeError as e:
stdout.append(e.format_stdout())
return None, stdout, e
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'] = list()
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))
def run_view(
entrypoint: str,
parameter,
storage,
context: ExecutionContext,
) -> Tuple[Any, Any, List[str], Optional[Exception]]:
"""Execute view of contract loaded in context
:param entrypoint: contract entrypoint
:param parameter: parameter section
:param storage: storage section
:param context: execution context
:returns: [operations, storage, stdout, error]
"""
ctx = ExecutionContext(
shell=context.shell,
key=context.key,
block_id=context.block_id,
script=context.script,
address=context.address,
)
stack = MichelsonStack()
stdout = [] # type: ignore
try:
program = MichelsonProgram.load(ctx, with_code=True)
res = program.instantiate(entrypoint=entrypoint, parameter=parameter, storage=storage)
res.begin(stack, stdout, context)
res.execute(stack, stdout, context)
_, _, _, pair = res.end(stack, stdout)
operations = cast(List[OperationType], list(pair.items[0]))
storage = pair.items[1]
return [op.to_python_object() for op in operations], storage.to_python_object(), stdout, None
except MichelsonRuntimeError as e:
stdout.append(e.format_stdout())
return None, None, stdout, e
def from_context(context: ExecutionContext) -> 'ContractInterface':
"""Create contract from the previously loaded context data.
:param context: execution context
:return: ContractInterface
"""
program = MichelsonProgram.load(context, with_code=True)
cls = type(ContractInterface.__name__, (ContractInterface, ),
dict(program=program))
return cls(context)
def run_code(
parameter,
storage,
script: str,
entrypoint='default',
output_mode='readable',
amount=None,
chain_id=None,
source=None,
sender=None,
balance=None,
block_id=None,
**kwargs,
) -> Tuple[List[dict], Any, List[dict], List[str], Optional[Exception]]:
"""Execute contract in interpreter
:param parameter: parameter expression
:param storage: storage expression
:param script: contract's Michelson code
:param entrypoint: contract entrypoint
:param output_mode: one of readable/optimized/legacy_optimized
:param amount: patch AMOUNT
:param chain_id: patch CHAIN_ID
:param source: patch SOURCE
:param sender: patch SENDER
:param balance: patch BALANCE
:param block_id: set block ID
"""
context = ExecutionContext(
amount=amount,
chain_id=chain_id,
source=source,
sender=sender,
balance=balance,
block_id=block_id,
script=dict(code=script),
**kwargs,
)
stack = MichelsonStack()
stdout = [] # type: ignore
try:
program = MichelsonProgram.load(context, with_code=True)
res = program.instantiate(
entrypoint=entrypoint,
parameter=parameter,
storage=storage,
)
res.begin(stack, stdout, context)
res.execute(stack, stdout, context)
operations, storage, lazy_diff, _ = res.end(
stack, stdout, output_mode=output_mode)
return operations, storage, lazy_diff, stdout, None
except MichelsonRuntimeError as e:
stdout.append(e.format_stdout())
return [], None, [], stdout, e
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_diff', []))
return cls(
parameters=parameters.to_python_object(),
storage=extended_storage.to_python_object(lazy_diff=True),
lazy_diff=response.get('lazy_diff', []),
operations=response.get('operations', []),
)
def execute(cls, stack: MichelsonStack, stdout: List[str],
context: AbstractContext):
from pytezos.michelson.program import MichelsonProgram
stack.clear()
entrypoint, parameter_literal, storage_literal = cls.args # type: ignore
entrypoint_str = entrypoint.get_string() # type: ignore
parameter = parameter_literal.as_micheline_expr()
storage = storage_literal.as_micheline_expr()
program = MichelsonProgram.load(context, with_code=True).instantiate(
entrypoint_str, parameter, storage) # type: ignore
program.begin(stack, stdout, context)
program.execute(stack, stdout, context) # type: ignore
operations, storage, lazy_diff, res = program.end(stack, stdout)
return cls(lazy_diff=lazy_diff, result=res)
def run_view(
entrypoint: str,
parameter,
storage,
context: ExecutionContext,
) -> Tuple[Any, Any, List[str], Optional[Exception]]:
"""Execute view of contract loaded in context
:param entrypoint: contract entrypoint
:param parameter: parameter section
:param storage: storage section
:param context: execution context
:returns: [operations, storage, stdout, error]
"""
ctx = ExecutionContext(
shell=context.shell,
key=context.key,
block_id=context.block_id,
script=context.script,
address=context.address,
)
stack = MichelsonStack()
stdout = [] # type: ignore
try:
program = MichelsonProgram.load(ctx, with_code=True)
res = program.instantiate(entrypoint=entrypoint, parameter=parameter, storage=storage)
res.begin(stack, stdout, context)
res.execute(stack, stdout, context)
_, _, _, pair = res.end(stack, stdout)
operations = cast(List[OperationType], list(pair.items[0]))
storage = pair.items[1]
# Note: the `storage` returned by the Michelson interpreter above is not
# required to include the full annotations specified in the contract's storage.
# The lack of annotations affects calls to `to_python_object()`, causing the storage
# you get back from the view to not always be converted to the same object
# as if you called ContractInterface.storage() directly.
# Re-parsing using the contract's storage section here to recover the annotations.
storage = program.storage.from_micheline_value(storage.to_micheline_value())
return [op.to_python_object() for op in operations], storage.to_python_object(), stdout, None
except MichelsonRuntimeError as e:
stdout.append(e.format_stdout())
return None, None, stdout, e
def run_code(
parameter,
storage,
script,
entrypoint='default',
output_mode='readable',
amount=None,
chain_id=None,
source=None,
sender=None,
balance=None,
block_id=None,
**kwargs,
) -> Tuple[List[dict], Any, List[dict], List[str], Optional[Exception]]:
context = ExecutionContext(
amount=amount,
chain_id=chain_id,
source=source,
sender=sender,
balance=balance,
block_id=block_id,
script=dict(code=script),
**kwargs,
)
stack = MichelsonStack()
stdout = [] # type: ignore
try:
program = MichelsonProgram.load(context, with_code=True)
res = program.instantiate(
entrypoint=entrypoint,
parameter=parameter,
storage=storage,
)
res.begin(stack, stdout, context)
res.execute(stack, stdout, context)
operations, storage, lazy_diff, _ = res.end(
stack, stdout, output_mode=output_mode)
return operations, storage, lazy_diff, stdout, None
except MichelsonRuntimeError as e:
stdout.append(e.format_stdout())
return [], None, [], stdout, e