@Openzeppelin:ERC721

官方文档参考

1、接口： IERC721

• 引入使用

import "@openzeppelin/contracts/token/ERC721/IERC721.sol";

• 符合 ERC721 的合约所需的接口函数。

// FUNCTIONS

balanceOf(owner)

ownerOf(tokenId)

safeTransferFrom(from, to, tokenId)

transferFrom(from, to, tokenId)

approve(to, tokenId)

getApproved(tokenId)

setApprovalForAll(operator, _approved)

isApprovedForAll(owner, operator)

safeTransferFrom(from, to, tokenId, data)

//  IERC165
supportsInterface(interfaceId)

• 事件

// EVENTS
Transfer(from, to, tokenId)

Approval(owner, approved, tokenId)

ApprovalForAll(owner, operator, approved)

函数信息

事件信息

IERC721 Metadata

• 使用

import "@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol";

/
///        FUNCTIONS           //
/
name()

symbol()

tokenURI(tokenId)

// IERC721
balanceOf(owner)

ownerOf(tokenId)

safeTransferFrom(from, to, tokenId)

transferFrom(from, to, tokenId)

approve(to, tokenId)

getApproved(tokenId)

setApprovalForAll(operator, _approved)

isApprovedForAll(owner, operator)

safeTransferFrom(from, to, tokenId, data)

// IERC165
supportsInterface(interfaceId)


      EVENTS    ///
///
// IERC721
Transfer(from, to, tokenId)

Approval(owner, approved, tokenId)

ApprovalForAll(owner, operator, approved)