5dfe7215a9
* Initial migration to Solidity 0.6.x - v3.0 first steps (#2063) * Initial migration, missing GSN, 721, 777 and Crowdsales. * Add _beforeTokenOperation and _afterTokenOperation. * Add documentation for hooks. * Add hooks doc * Add missing drafts * Add back ERC721 with hooks * Bring back ERC777 * Notes on hooks * Bring back GSN * Make functions virtual * Make GSN overrides explicit * Fix ERC20Pausable tests * Remove virtual from some view functions * Update linter * Delete examples * Remove unnecessary virtual * Remove roles from Pausable * Remove roles * Remove users of roles * Adapt ERC20 tests * Fix ERC721 tests * Add all ERC721 hooks * Add ERC777 hooks * Fix remaining tests * Bump compiler version * Move 721BurnableMock into mocks directory * Remove _before hooks * Fix tests * Upgrade linter * Put modifiers last * Remove _beforeTokenApproval and _beforeOperatorApproval hooks
14 lines
455 B
Solidity
14 lines
455 B
Solidity
pragma solidity ^0.6.0;
|
|
|
|
import "./IERC721.sol";
|
|
|
|
/**
|
|
* @title ERC-721 Non-Fungible Token Standard, optional metadata extension
|
|
* @dev See https://eips.ethereum.org/EIPS/eip-721
|
|
*/
|
|
abstract contract IERC721Metadata is IERC721 {
|
|
function name() external view virtual returns (string memory);
|
|
function symbol() external view virtual returns (string memory);
|
|
function tokenURI(uint256 tokenId) external view virtual returns (string memory);
|
|
}
|