def AsParameterType(type: ContractParameterType, item: StackItem):
"""
Convert a StackItem to a ContractParameter object of a specified ContractParameterType
Args:
type (neo.SmartContract.ContractParameterType): The ContractParameterType to convert to
item (neo.VM.InteropService.StackItem): The item to convert to a ContractParameter object
Returns:
"""
if type == ContractParameterType.Integer:
return ContractParameter(type, value=item.GetBigInteger())
elif type == ContractParameterType.Boolean:
return ContractParameter(type, value=item.GetBoolean())
elif type == ContractParameterType.Array:
output = [
ContractParameter.ToParameter(subitem)
for subitem in item.GetArray()
]
return ContractParameter(type, value=output)
elif type == ContractParameterType.String:
return ContractParameter(type, value=item.GetString())
elif type == ContractParameterType.InteropInterface:
return ContractParameter(type, value=item.GetInterface())
# all other types return a byte array
else:
return ContractParameter(type, value=item.GetByteArray())
def ToParameter(item: StackItem):
"""
Convert a StackItem to a ContractParameter object
Args:
item (neo.VM.InteropService.StackItem) The item to convert to a ContractParameter object
Returns:
ContractParameter
"""
if isinstance(item, Array) or isinstance(item, Struct):
items = item.GetArray()
output = [
ContractParameter.ToParameter(subitem) for subitem in items
]
return ContractParameter(type=ContractParameterType.Array,
value=output)
elif isinstance(item, Boolean):
return ContractParameter(type=ContractParameterType.Boolean,
value=item.GetBoolean())
elif isinstance(item, ByteArray):
return ContractParameter(type=ContractParameterType.ByteArray,
value=item.GetByteArray())
elif isinstance(item, Integer):
return ContractParameter(type=ContractParameterType.Integer,
value=str(item.GetBigInteger()))
elif isinstance(item, InteropInterface):
return ContractParameter(
type=ContractParameterType.InteropInterface,
value=item.GetInterface())