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pragma solidity ^0.8.0; | |
// SPDX-License-Identifier: MIT | |
/** | |
* @dev Interface of the ERC165 standard, as defined in the | |
* https://eips.ethereum.org/EIPS/eip-165[EIP]. | |
* | |
* Implementers can declare support of contract interfaces, which can then be | |
* queried by others ({ERC165Checker}). |
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REMIX EXAMPLE PROJECT | |
Remix example project is present when Remix loads for the very first time or there are no files existing in the File Explorer. | |
It contains 3 directories: | |
1. 'contracts': Holds three contracts with different complexity level, denoted with number prefix in file name. | |
2. 'scripts': Holds two scripts to deploy a contract. It is explained below. | |
3. 'tests': Contains one test file for 'Ballot' contract with unit tests in Solidity. | |
SCRIPTS |
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// SPDX-License-Identifier: MIT | |
pragma solidity ^0.6.0; | |
/** | |
* @dev Interface of the ERC20 standard as defined in the EIP. | |
*/ | |
interface IERC20 { | |
/** | |
* @dev Returns the amount of tokens in existence. | |
*/ |