Fixed invalid imports and arguments in generated big_map handlers (#171)

* Fix gcodegen of big_map index handlers

* Changelog

Author: droserasprout

CHANGELOG.md

@@ -1,10 +1,11 @@
 # Changelog
 
-## 3.1.3 - [unreleased]
+## 3.1.3 - 2021-11-15
 
 ### Fixed
 
-* Fixed missing imports in handlers generated during init. 
+* codegen: Fixed missing imports in operation handlers. 
+* codegen: Fixed invalid imports and arguments in big_map handlers.
 
 ## 3.1.2 - 2021-11-02
 

src/dipdup/config.py

@@ -667,21 +667,21 @@ def __post_init_post_parse__(self):
 
     @classmethod
     def format_key_import(cls, package: str, module_name: str, path: str) -> Tuple[str, str]:
-        key_cls = f'{snake_to_pascal(module_name)}Key'
-        key_module = f'{path}_key'
+        key_cls = f'{snake_to_pascal(path)}Key'
+        key_module = f'{pascal_to_snake(path)}_key'
         return f'{package}.types.{module_name}.big_map.{key_module}', key_cls
 
     @classmethod
     def format_value_import(cls, package: str, module_name: str, path: str) -> Tuple[str, str]:
-        value_cls = f'{snake_to_pascal(module_name)}Value'
-        value_module = f'{path}_value'
+        value_cls = f'{snake_to_pascal(path)}Value'
+        value_module = f'{pascal_to_snake(path)}_value'
         return f'{package}.types.{module_name}.big_map.{value_module}', value_cls
 
     @classmethod
-    def format_big_map_diff_argument(cls, module_name: str) -> Tuple[str, str]:
-        key_cls = f'{snake_to_pascal(module_name)}Key'
-        value_cls = f'{snake_to_pascal(module_name)}Value'
-        return module_name, f'BigMapDiff[{key_cls}, {value_cls}]'
+    def format_big_map_diff_argument(cls, path: str) -> Tuple[str, str]:
+        key_cls = f'{snake_to_pascal(path)}Key'
+        value_cls = f'{snake_to_pascal(path)}Value'
+        return pascal_to_snake(path), f'BigMapDiff[{key_cls}, {value_cls}]'
 
     def iter_imports(self, package: str) -> Iterator[Tuple[str, str]]:
         yield 'dipdup.context', 'HandlerContext'
@@ -693,7 +693,7 @@ def iter_imports(self, package: str) -> Iterator[Tuple[str, str]]:
 
     def iter_arguments(self) -> Iterator[Tuple[str, str]]:
         yield 'ctx', 'HandlerContext'
-        yield self.format_big_map_diff_argument(self.contract_config.module_name)
+        yield self.format_big_map_diff_argument(self.path)
 
     @property
     def contract_config(self) -> ContractConfig:

src/dipdup/utils/__init__.py

@@ -44,7 +44,7 @@ async def slowdown(seconds: int):
 
 def snake_to_pascal(value: str) -> str:
     """humps wrapper for Python imports"""
-    return humps.pascalize(value)
+    return humps.pascalize(value.replace('.', '_'))
 
 
 def pascal_to_snake(value: str) -> str: