Merge pull request #158 from open-rpc/feat/rpc-discover

feat(MethodCallValidator): allow rpc discover

src/method-call-validator/method-call-validator.test.ts

@@ -59,11 +59,17 @@ describe("MethodCallValidator", () => {
     expect(result).toEqual([]);
   });
 
+  it("rpc.discover is allowed", () => {
+    const example = getExampleSchema() as any;
+    const methodCallValidator = new MethodCallValidator(example);
+    const result = methodCallValidator.validate("rpc.discover", []);
+    expect(result).toEqual([]);
+  });
+
   it("returns method not found error when the method name is invalid", () => {
     const example = getExampleSchema() as any;
     const methodCallValidator = new MethodCallValidator(example);
     const result = methodCallValidator.validate("boo", ["123"]);
     expect(result).toBeInstanceOf(MethodCallMethodNotFoundError);
   });
-
 });

src/method-call-validator/method-call-validator.ts

@@ -63,6 +63,7 @@ export default class MethodCallValidator {
     methodName: string,
     params: any[],
   ): MethodCallParameterValidationError[] | MethodCallMethodNotFoundError {
+    if (methodName === "rpc.discover") { return []; }
     const method = _.find(this.document.methods, { name: methodName }) as MethodObject;
 
     if (!method) {