feat(PTP-466): Added renounce method

lib/ContractTemplates/ERC721Mintable/ERC721Mintable.js

@@ -504,4 +504,25 @@ export default class ERC721Mintable {
       throw new Error(`[ERC721Mintable.approveTransfer] An error occured: ${error}`);
     }
   }
+
+  /*
+   * Renouncing ownership of the smart contract (will leave the contract without an owner).
+   * @dev Leaves the contract without owner. It will not be possible to call
+   * `onlyOwner` functions anymore. Can only be called by the current owner.
+   *
+   * NOTE: Renouncing ownership will leave the contract without an owner,
+   * thereby removing any functionality that is only available to the owner.
+   * @returns {bool} Success or fail of the operation
+   */
+  async renounceOwnership() {
+    if (!this.contractAddress && !this.#contractDeployed) {
+      throw new Error('[ERC721Mintable.renounceOwnership] Contract needs to be deployed');
+    }
+
+    try {
+      return await this.#contractDeployed.renounceOwnership();
+    } catch (error) {
+      throw new Error(`[ERC721Mintable.renounceOwnership] An error occured: ${error}`);
+    }
+  }
 }

test/ERC721Mintable.test.js

@@ -24,6 +24,7 @@ describe('SDK', () => {
         approve: jest.fn(),
         setRoyalties: jest.fn(),
         royaltyInfo: jest.fn(),
+        renounceOwnership: jest.fn(),
       }),
     }));
 
@@ -689,4 +690,17 @@ describe('SDK', () => {
       );
     });
   });
+  describe('renounceOwnership', () => {
+    it('[renounceOwnership] - should throw when args are missing (contractAddress)', async () => {
+      const contract = new ERC721Mintable(signer);
+      contract.contractAddress = null;
+
+      await expect(() => contract.renounceOwnership()).rejects.toThrow(
+        '[ERC721Mintable.renounceOwnership] Contract needs to be deployed',
+      );
+    });
+    it('[renounceOwnership] - should throw if contract not deployed', async () => {});
+
+    it('[renounceOwnership] - should call renounce ownership', async () => {});
+  });
 });