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// SPDX-License-Identifier: MIT | |
pragma solidity ^0.8.0; | |
contract HelloCelo { | |
string public message; | |
constructor(string memory _message) { | |
message = _message; | |
} | |
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// SPDX-License-Identifier: MIT | |
pragma solidity >=0.4.22 <0.9.0; | |
library console { | |
address constant CONSOLE_ADDRESS = | |
0x000000000000000000636F6e736F6c652e6c6f67; | |
function _sendLogPayloadImplementation(bytes memory payload) internal view { | |
address consoleAddress = CONSOLE_ADDRESS; | |
/// @solidity memory-safe-assembly |
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// SPDX-License-Identifier: MIT | |
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/draft-IERC6093.sol) | |
pragma solidity ^0.8.20; | |
/** | |
* @dev Standard ERC20 Errors | |
* Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC20 tokens. | |
*/ | |
interface IERC20Errors { | |
/** |