cleanup

packages/core-cairo/src/erc721.ts

@@ -1,15 +1,13 @@
-import { Contract, ContractBuilder, Impl } from './contract';
+import { Contract, ContractBuilder } from './contract';
 import { Access, requireAccessControl, setAccessControl } from './set-access-control';
 import { addPausable, setPausable } from './add-pausable';
 import { defineFunctions } from './utils/define-functions';
 import { CommonOptions, withCommonDefaults, getSelfArg } from './common-options';
 import { setUpgradeable } from './set-upgradeable';
 import { setInfo } from './set-info';
-import { OptionsError } from './error';
 import { defineComponents } from './utils/define-components';
 import { defaults as commonDefaults } from './common-options';
 import { printContract } from './print';
-// import { importGetCallerAddress } from './common-functions';
 
 export const defaults: Required<ERC721Options> = {
   name: 'MyToken',
@@ -142,6 +140,7 @@ const functions = defineFunctions({
       { name: 'tokenId', type: 'u256' }
     ],
     code: [
+      'let caller = get_caller_address();',
       '// TODO check if caller is the token owner',
       'self.erc721._burn(tokenId);'
     ]