fix: ignore receive and fallback

sample-data/BasicSample.sol

@@ -100,4 +100,14 @@ contract BasicSample is AbstractBasic {
     modifier transferFee(uint256 _receiver) {
         _;
     }
+
+    /**
+     * @dev This func must be ignored
+     */
+    receive() external payable {}
+
+    /**
+     * @dev This func must be ignored
+     */
+    fallback() external {}
 }

src/validator.ts

@@ -18,6 +18,11 @@ export class Validator {
   }
 
   validate(node: NodeToProcess, natspec: Natspec): string[] {
+    // Ignore fallback and receive
+    if (node instanceof FunctionDefinition && (node.kind === 'receive' || node.kind === 'fallback')) {
+      return [];
+    }
+
     // There is inheritdoc, no other validation is needed
     if (natspec.inheritdoc) return [];
 

test/validator.test.ts

@@ -339,6 +339,17 @@ describe('Validator', () => {
     expect(result).toContainEqual(`@param ${paramName2} is missing`);
   });
 
+  it('should ignore receive and fallback', () => {
+    node = contract.vFunctions.find(({ kind }) => kind === 'receive' || kind === 'fallback')!;
+    natspec = {
+      tags: [],
+      params: [],
+      returns: [],
+    };
+    const result = validator.validate(node, natspec);
+    expect(result).toEqual([]);
+  });
+
   describe('with enforced inheritdoc', () => {
     beforeAll(async () => {
       config = {