#86dtfv7aw - Error when compiling smart contract with custom class th…

[luc10921]

…at has a method that returns an explicitly typed dict

Summary or solution description
An error was being thrown when using an attribute inside a dict and typing the dict in the return.

How to Reproduce

neo3-boa/boa3_test/test_sc/class_test/ReturnDictWithClassAttributes.py

Lines 1 to 53 in a2e9ac5

	from typing import Any
	from boa3.builtin.compile_time import public
	class Example:
	def __init__(self, shape: str, color: str, background: str, size: str):
	self.shape = shape
	self.color = color
	self.background = background
	self.size = size
	def test_value(self) -> dict[str, str]:
	return {
	'shape': self.shape,
	'color': self.color,
	'background': self.background,
	'size': self.size
	}
	def test_keys(self) -> dict[str, str]:
	return {
	self.shape: 'shape',
	self.color: 'color',
	self.background: 'background',
	self.size: 'size'
	}
	def test_pair(self) -> dict[str, str]:
	return {
	self.shape: self.shape,
	self.color: self.color,
	self.background: self.background,
	self.size: self.size
	}
	@public
	def test_only_values() -> Any:
	example = Example('Rectangle', 'Blue', 'Black', 'Small')
	return example.test_value()
	@public
	def test_only_keys() -> Any:
	example = Example('Rectangle', 'Blue', 'Black', 'Small')
	return example.test_keys()
	@public
	def test_pair() -> Any:
	example = Example('Rectangle', 'Blue', 'Black', 'Small')
	return example.test_pair()

Tests

neo3-boa/boa3_test/tests/compiler_tests/test_class.py

Lines 463 to 491 in a2e9ac5

	async def test_return_dict_with_class_attributes(self):
	await self.set_up_contract('ReturnDictWithClassAttributes.py')
	expected_result = {
	'shape': 'Rectangle',
	'color': 'Blue',
	'background': 'Black',
	'size': 'Small'
	}
	result, _ = await self.call('test_only_values', [], return_type=dict[str,str])
	self.assertEqual(expected_result, result)
	expected_result = {
	'Rectangle': 'shape',
	'Blue': 'color',
	'Black': 'background',
	'Small': 'size'
	}
	result, _ = await self.call('test_only_keys', [], return_type=dict[str,str])
	self.assertEqual(expected_result, result)
	expected_result = {
	'Rectangle': 'Rectangle',
	'Blue': 'Blue',
	'Black': 'Black',
	'Small': 'Small'
	}
	result, _ = await self.call('test_pair', [], return_type=dict[str,str])
	self.assertEqual(expected_result, result)

Platform:

• OS: Windows 11 x64
• Python version: Python 3.11

[melanke]

Task linked: CU-86dtfv7aw Error when compiling smart contract with custom class that has a method that returns an explicitly typed dict

[coveralls]

coverage: 91.195% (+0.001%) from 91.194%
when pulling a2e9ac5 on CU-86dtfv7aw
into 504b102 on development.