add initializableERC721
This commit is contained in:
owen05
232
contracts/external/ERC721/InitializableERC721.sol
vendored
232
contracts/external/ERC721/InitializableERC721.sol
vendored
@@ -7,29 +7,231 @@
|
||||
|
||||
pragma solidity 0.6.9;
|
||||
|
||||
// import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
|
||||
import {InitializableOwnable} from "../../lib/InitializableOwnable.sol";
|
||||
import {IERC721} from "../../intf/IERC721.sol";
|
||||
import {IERC721Receiver} from "../../intf/IERC721Receiver.sol";
|
||||
import {IERC721Metadata} from "../../intf/IERC721Metadata.sol";
|
||||
import {IERC165} from "../../intf/IERC165.sol";
|
||||
import {Strings} from "../../lib/Strings.sol";
|
||||
import {Address} from "../../lib/Address.sol";
|
||||
|
||||
//TODO:
|
||||
contract InitializableERC721 is InitializableOwnable {
|
||||
|
||||
contract InitializableERC721 is IERC165, IERC721, IERC721Metadata {
|
||||
|
||||
using Address for address;
|
||||
using Strings for uint256;
|
||||
|
||||
// Token name
|
||||
string private _name;
|
||||
|
||||
// Token symbol
|
||||
string private _symbol;
|
||||
|
||||
// Base URI
|
||||
string private _baseURI;
|
||||
|
||||
// Mapping from token ID to owner address
|
||||
mapping (uint256 => address) private _owners;
|
||||
|
||||
// Mapping owner address to token count
|
||||
mapping (address => uint256) private _balances;
|
||||
|
||||
// Mapping from token ID to approved address
|
||||
mapping (uint256 => address) private _tokenApprovals;
|
||||
|
||||
// Mapping from owner to operator approvals
|
||||
mapping (address => mapping (address => bool)) private _operatorApprovals;
|
||||
|
||||
|
||||
function init(
|
||||
address creator,
|
||||
string memory name,
|
||||
string memory symbol,
|
||||
string memory baseUrl
|
||||
string memory baseUrI
|
||||
) public {
|
||||
initOwner(creator);
|
||||
// super(name,symbol);
|
||||
_name = name;
|
||||
_symbol = symbol;
|
||||
_baseURI = baseUrI;
|
||||
_safeMint(msg.sender, 0);
|
||||
}
|
||||
|
||||
// baseUrl overide
|
||||
|
||||
// function mint(string memory _name, address _to) public {
|
||||
// require(msg.sender == gameOwner, "Only game owner can create new monsters");
|
||||
// uint id = monsters.length;
|
||||
// monsters.push(Monster(_name, 1));
|
||||
// _safeMint(_to, id);
|
||||
// }
|
||||
function tokenURI(uint256 tokenId) public view override returns (string memory) {
|
||||
require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");
|
||||
|
||||
string memory baseURI = _baseURI;
|
||||
return bytes(baseURI).length > 0
|
||||
? string(abi.encodePacked(baseURI, tokenId.toString()))
|
||||
: '';
|
||||
}
|
||||
|
||||
|
||||
function supportsInterface(bytes4 interfaceId) public view override returns (bool) {
|
||||
return interfaceId == type(IERC721).interfaceId
|
||||
|| interfaceId == type(IERC721Metadata).interfaceId;
|
||||
}
|
||||
|
||||
|
||||
function balanceOf(address owner) public view virtual override returns (uint256) {
|
||||
require(owner != address(0), "ERC721: balance query for the zero address");
|
||||
return _balances[owner];
|
||||
}
|
||||
|
||||
function ownerOf(uint256 tokenId) public view virtual override returns (address) {
|
||||
address owner = _owners[tokenId];
|
||||
require(owner != address(0), "ERC721: owner query for nonexistent token");
|
||||
return owner;
|
||||
}
|
||||
|
||||
|
||||
function name() public view virtual override returns (string memory) {
|
||||
return _name;
|
||||
}
|
||||
|
||||
|
||||
function symbol() public view virtual override returns (string memory) {
|
||||
return _symbol;
|
||||
}
|
||||
|
||||
|
||||
function approve(address to, uint256 tokenId) public virtual override {
|
||||
address owner = ownerOf(tokenId);
|
||||
require(to != owner, "ERC721: approval to current owner");
|
||||
|
||||
require(msg.sender == owner || isApprovedForAll(owner, msg.sender),
|
||||
"ERC721: approve caller is not owner nor approved for all"
|
||||
);
|
||||
|
||||
_approve(to, tokenId);
|
||||
}
|
||||
|
||||
function getApproved(uint256 tokenId) public view virtual override returns (address) {
|
||||
require(_exists(tokenId), "ERC721: approved query for nonexistent token");
|
||||
|
||||
return _tokenApprovals[tokenId];
|
||||
}
|
||||
|
||||
|
||||
function setApprovalForAll(address operator, bool approved) public virtual override {
|
||||
require(operator != msg.sender, "ERC721: approve to caller");
|
||||
|
||||
_operatorApprovals[msg.sender][operator] = approved;
|
||||
emit ApprovalForAll(msg.sender, operator, approved);
|
||||
}
|
||||
|
||||
function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
|
||||
return _operatorApprovals[owner][operator];
|
||||
}
|
||||
|
||||
|
||||
function transferFrom(address from, address to, uint256 tokenId) public virtual override {
|
||||
//solhint-disable-next-line max-line-length
|
||||
require(_isApprovedOrOwner(msg.sender, tokenId), "ERC721: transfer caller is not owner nor approved");
|
||||
|
||||
_transfer(from, to, tokenId);
|
||||
}
|
||||
|
||||
function safeTransferFrom(address from, address to, uint256 tokenId) public virtual override {
|
||||
safeTransferFrom(from, to, tokenId, "");
|
||||
}
|
||||
|
||||
function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory _data) public virtual override {
|
||||
require(_isApprovedOrOwner(msg.sender, tokenId), "ERC721: transfer caller is not owner nor approved");
|
||||
_safeTransfer(from, to, tokenId, _data);
|
||||
}
|
||||
|
||||
|
||||
// =========== internal ==================
|
||||
|
||||
function _safeTransfer(address from, address to, uint256 tokenId, bytes memory _data) internal virtual {
|
||||
_transfer(from, to, tokenId);
|
||||
require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
|
||||
}
|
||||
|
||||
function _exists(uint256 tokenId) internal view virtual returns (bool) {
|
||||
return _owners[tokenId] != address(0);
|
||||
}
|
||||
|
||||
function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {
|
||||
require(_exists(tokenId), "ERC721: operator query for nonexistent token");
|
||||
address owner = ownerOf(tokenId);
|
||||
return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender));
|
||||
}
|
||||
|
||||
function _safeMint(address to, uint256 tokenId) internal virtual {
|
||||
_safeMint(to, tokenId, "");
|
||||
}
|
||||
|
||||
function _safeMint(address to, uint256 tokenId, bytes memory _data) internal virtual {
|
||||
_mint(to, tokenId);
|
||||
require(_checkOnERC721Received(address(0), to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
|
||||
}
|
||||
|
||||
function _mint(address to, uint256 tokenId) internal virtual {
|
||||
require(to != address(0), "ERC721: mint to the zero address");
|
||||
require(!_exists(tokenId), "ERC721: token already minted");
|
||||
|
||||
_beforeTokenTransfer(address(0), to, tokenId);
|
||||
|
||||
_balances[to] += 1;
|
||||
_owners[tokenId] = to;
|
||||
|
||||
emit Transfer(address(0), to, tokenId);
|
||||
}
|
||||
|
||||
function _burn(uint256 tokenId) internal virtual {
|
||||
address owner = ownerOf(tokenId);
|
||||
|
||||
_beforeTokenTransfer(owner, address(0), tokenId);
|
||||
|
||||
// Clear approvals
|
||||
_approve(address(0), tokenId);
|
||||
|
||||
_balances[owner] -= 1;
|
||||
delete _owners[tokenId];
|
||||
|
||||
emit Transfer(owner, address(0), tokenId);
|
||||
}
|
||||
|
||||
function _transfer(address from, address to, uint256 tokenId) internal virtual {
|
||||
require(ownerOf(tokenId) == from, "ERC721: transfer of token that is not own");
|
||||
require(to != address(0), "ERC721: transfer to the zero address");
|
||||
|
||||
_beforeTokenTransfer(from, to, tokenId);
|
||||
|
||||
// Clear approvals from the previous owner
|
||||
_approve(address(0), tokenId);
|
||||
|
||||
_balances[from] -= 1;
|
||||
_balances[to] += 1;
|
||||
_owners[tokenId] = to;
|
||||
|
||||
emit Transfer(from, to, tokenId);
|
||||
}
|
||||
|
||||
function _approve(address to, uint256 tokenId) internal virtual {
|
||||
_tokenApprovals[tokenId] = to;
|
||||
emit Approval(ownerOf(tokenId), to, tokenId);
|
||||
}
|
||||
|
||||
function _checkOnERC721Received(address from, address to, uint256 tokenId, bytes memory _data)
|
||||
private returns (bool)
|
||||
{
|
||||
if (to.isContract()) {
|
||||
try IERC721Receiver(to).onERC721Received(msg.sender, from, tokenId, _data) returns (bytes4 retval) {
|
||||
return retval == IERC721Receiver(to).onERC721Received.selector;
|
||||
} catch (bytes memory reason) {
|
||||
if (reason.length == 0) {
|
||||
revert("ERC721: transfer to non ERC721Receiver implementer");
|
||||
} else {
|
||||
// solhint-disable-next-line no-inline-assembly
|
||||
assembly {
|
||||
revert(add(32, reason), mload(reason))
|
||||
}
|
||||
}
|
||||
}
|
||||
} else {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
function _beforeTokenTransfer(address from, address to, uint256 tokenId) internal virtual { }
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user