文件 1 的 19：Address.sol
pragma solidity ^0.5.0;
library Address {
function isContract(address account) internal view returns (bool) {
uint256 size;
assembly { size := extcodesize(account) }
return size > 0;
}
}
文件 2 的 19：DotComSeance.sol
pragma solidity ^0.5.0;
import "./Folia.sol";
contract DotComSeance is Folia {
constructor(address _metadata) public Folia("DotCom Seance", "DOTCOM", _metadata){}
}
文件 3 的 19：ERC165.sol
pragma solidity ^0.5.0;
import "./IERC165.sol";
contract ERC165 is IERC165 {
bytes4 private constant _INTERFACE_ID_ERC165 = 0x01ffc9a7;
mapping(bytes4 => bool) private _supportedInterfaces;
constructor () internal {
_registerInterface(_INTERFACE_ID_ERC165);
}
function supportsInterface(bytes4 interfaceId) external view returns (bool) {
return _supportedInterfaces[interfaceId];
}
function _registerInterface(bytes4 interfaceId) internal {
require(interfaceId != 0xffffffff);
_supportedInterfaces[interfaceId] = true;
}
}
文件 4 的 19：ERC721.sol
pragma solidity ^0.5.0;
import "./IERC721.sol";
import "./IERC721Receiver.sol";
import "./SafeMath.sol";
import "./Address.sol";
import "./ERC165.sol";
contract ERC721 is ERC165, IERC721 {
using SafeMath for uint256;
using Address for address;
bytes4 private constant _ERC721_RECEIVED = 0x150b7a02;
mapping (uint256 => address) private _tokenOwner;
mapping (uint256 => address) private _tokenApprovals;
mapping (address => uint256) private _ownedTokensCount;
mapping (address => mapping (address => bool)) private _operatorApprovals;
bytes4 private constant _INTERFACE_ID_ERC721 = 0x80ac58cd;
constructor () public {
_registerInterface(_INTERFACE_ID_ERC721);
}
function balanceOf(address owner) public view returns (uint256) {
require(owner != address(0));
return _ownedTokensCount[owner];
}
function ownerOf(uint256 tokenId) public view returns (address) {
address owner = _tokenOwner[tokenId];
require(owner != address(0));
return owner;
}
function approve(address to, uint256 tokenId) public {
address owner = ownerOf(tokenId);
require(to != owner);
require(msg.sender == owner || isApprovedForAll(owner, msg.sender));
_tokenApprovals[tokenId] = to;
emit Approval(owner, to, tokenId);
}
function getApproved(uint256 tokenId) public view returns (address) {
require(_exists(tokenId));
return _tokenApprovals[tokenId];
}
function setApprovalForAll(address to, bool approved) public {
require(to != msg.sender);
_operatorApprovals[msg.sender][to] = approved;
emit ApprovalForAll(msg.sender, to, approved);
}
function isApprovedForAll(address owner, address operator) public view returns (bool) {
return _operatorApprovals[owner][operator];
}
function transferFrom(address from, address to, uint256 tokenId) public {
require(_isApprovedOrOwner(msg.sender, tokenId));
_transferFrom(from, to, tokenId);
}
function safeTransferFrom(address from, address to, uint256 tokenId) public {
safeTransferFrom(from, to, tokenId, "");
}
function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory _data) public {
transferFrom(from, to, tokenId);
require(_checkOnERC721Received(from, to, tokenId, _data));
}
function _exists(uint256 tokenId) internal view returns (bool) {
address owner = _tokenOwner[tokenId];
return owner != address(0);
}
function _isApprovedOrOwner(address spender, uint256 tokenId) internal view returns (bool) {
address owner = ownerOf(tokenId);
return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender));
}
function _mint(address to, uint256 tokenId) internal {
require(to != address(0));
require(!_exists(tokenId));
_tokenOwner[tokenId] = to;
_ownedTokensCount[to] = _ownedTokensCount[to].add(1);
emit Transfer(address(0), to, tokenId);
}
function _burn(address owner, uint256 tokenId) internal {
require(ownerOf(tokenId) == owner);
_clearApproval(tokenId);
_ownedTokensCount[owner] = _ownedTokensCount[owner].sub(1);
_tokenOwner[tokenId] = address(0);
emit Transfer(owner, address(0), tokenId);
}
function _burn(uint256 tokenId) internal {
_burn(ownerOf(tokenId), tokenId);
}
function _transferFrom(address from, address to, uint256 tokenId) internal {
require(ownerOf(tokenId) == from);
require(to != address(0));
_clearApproval(tokenId);
_ownedTokensCount[from] = _ownedTokensCount[from].sub(1);
_ownedTokensCount[to] = _ownedTokensCount[to].add(1);
_tokenOwner[tokenId] = to;
emit Transfer(from, to, tokenId);
}
function _checkOnERC721Received(address from, address to, uint256 tokenId, bytes memory _data)
internal returns (bool)
{
if (!to.isContract()) {
return true;
}
bytes4 retval = IERC721Receiver(to).onERC721Received(msg.sender, from, tokenId, _data);
return (retval == _ERC721_RECEIVED);
}
function _clearApproval(uint256 tokenId) private {
if (_tokenApprovals[tokenId] != address(0)) {
_tokenApprovals[tokenId] = address(0);
}
}
}
文件 5 的 19：ERC721Enumerable.sol
pragma solidity ^0.5.0;
import "./IERC721Enumerable.sol";
import "./ERC721.sol";
import "./ERC165.sol";
contract ERC721Enumerable is ERC165, ERC721, IERC721Enumerable {
mapping(address => uint256[]) private _ownedTokens;
mapping(uint256 => uint256) private _ownedTokensIndex;
uint256[] private _allTokens;
mapping(uint256 => uint256) private _allTokensIndex;
bytes4 private constant _INTERFACE_ID_ERC721_ENUMERABLE = 0x780e9d63;
constructor () public {
_registerInterface(_INTERFACE_ID_ERC721_ENUMERABLE);
}
function tokenOfOwnerByIndex(address owner, uint256 index) public view returns (uint256) {
require(index < balanceOf(owner));
return _ownedTokens[owner][index];
}
function totalSupply() public view returns (uint256) {
return _allTokens.length;
}
function tokenByIndex(uint256 index) public view returns (uint256) {
require(index < totalSupply());
return _allTokens[index];
}
function _transferFrom(address from, address to, uint256 tokenId) internal {
super._transferFrom(from, to, tokenId);
_removeTokenFromOwnerEnumeration(from, tokenId);
_addTokenToOwnerEnumeration(to, tokenId);
}
function _mint(address to, uint256 tokenId) internal {
super._mint(to, tokenId);
_addTokenToOwnerEnumeration(to, tokenId);
_addTokenToAllTokensEnumeration(tokenId);
}
function _burn(address owner, uint256 tokenId) internal {
super._burn(owner, tokenId);
_removeTokenFromOwnerEnumeration(owner, tokenId);
_ownedTokensIndex[tokenId] = 0;
_removeTokenFromAllTokensEnumeration(tokenId);
}
function _tokensOfOwner(address owner) internal view returns (uint256[] storage) {
return _ownedTokens[owner];
}
function _addTokenToOwnerEnumeration(address to, uint256 tokenId) private {
_ownedTokensIndex[tokenId] = _ownedTokens[to].length;
_ownedTokens[to].push(tokenId);
}
function _addTokenToAllTokensEnumeration(uint256 tokenId) private {
_allTokensIndex[tokenId] = _allTokens.length;
_allTokens.push(tokenId);
}
function _removeTokenFromOwnerEnumeration(address from, uint256 tokenId) private {
uint256 lastTokenIndex = _ownedTokens[from].length.sub(1);
uint256 tokenIndex = _ownedTokensIndex[tokenId];
if (tokenIndex != lastTokenIndex) {
uint256 lastTokenId = _ownedTokens[from][lastTokenIndex];
_ownedTokens[from][tokenIndex] = lastTokenId;
_ownedTokensIndex[lastTokenId] = tokenIndex;
}
_ownedTokens[from].length--;
}
function _removeTokenFromAllTokensEnumeration(uint256 tokenId) private {
uint256 lastTokenIndex = _allTokens.length.sub(1);
uint256 tokenIndex = _allTokensIndex[tokenId];
uint256 lastTokenId = _allTokens[lastTokenIndex];
_allTokens[tokenIndex] = lastTokenId;
_allTokensIndex[lastTokenId] = tokenIndex;
_allTokens.length--;
_allTokensIndex[tokenId] = 0;
}
}
文件 6 的 19：ERC721Full.sol
pragma solidity ^0.5.0;
import "./ERC721.sol";
import "./ERC721Enumerable.sol";
import "./ERC721Metadata.sol";
contract ERC721Full is ERC721, ERC721Enumerable, ERC721Metadata {
constructor (string memory name, string memory symbol) public ERC721Metadata(name, symbol) {
}
}
文件 7 的 19：ERC721Metadata.sol
pragma solidity ^0.5.0;
import "./ERC721.sol";
import "./IERC721Metadata.sol";
import "./ERC165.sol";
contract ERC721Metadata is ERC165, ERC721, IERC721Metadata {
string private _name;
string private _symbol;
mapping(uint256 => string) private _tokenURIs;
bytes4 private constant _INTERFACE_ID_ERC721_METADATA = 0x5b5e139f;
constructor (string memory name, string memory symbol) public {
_name = name;
_symbol = symbol;
_registerInterface(_INTERFACE_ID_ERC721_METADATA);
}
function name() external view returns (string memory) {
return _name;
}
function symbol() external view returns (string memory) {
return _symbol;
}
function tokenURI(uint256 tokenId) external view returns (string memory) {
require(_exists(tokenId));
return _tokenURIs[tokenId];
}
function _setTokenURI(uint256 tokenId, string memory uri) internal {
require(_exists(tokenId));
_tokenURIs[tokenId] = uri;
}
function _burn(address owner, uint256 tokenId) internal {
super._burn(owner, tokenId);
if (bytes(_tokenURIs[tokenId]).length != 0) {
delete _tokenURIs[tokenId];
}
}
}
文件 8 的 19：Folia.sol
pragma solidity ^0.5.0;
import "./ERC721Full.sol";
import "./IERC20.sol";
import "./Ownable.sol";
import "./Roles.sol";
import "./Metadata.sol";
contract Folia is ERC721Full, Ownable {
using Roles for Roles.Role;
Roles.Role private _admins;
uint8 admins;
address public metadata;
address public controller;
modifier onlyAdminOrController() {
require((_admins.has(msg.sender) || msg.sender == controller), "DOES_NOT_HAVE_ADMIN_OR_CONTROLLER_ROLE");
_;
}
constructor(string memory name, string memory symbol, address _metadata) public ERC721Full(name, symbol) {
metadata = _metadata;
_admins.add(msg.sender);
admins += 1;
}
function mint(address recepient, uint256 tokenId) public onlyAdminOrController {
_mint(recepient, tokenId);
}
function burn(uint256 tokenId) public onlyAdminOrController {
_burn(ownerOf(tokenId), tokenId);
}
function updateMetadata(address _metadata) public onlyAdminOrController {
metadata = _metadata;
}
function updateController(address _controller) public onlyAdminOrController {
controller = _controller;
}
function addAdmin(address _admin) public onlyOwner {
_admins.add(_admin);
admins += 1;
}
function removeAdmin(address _admin) public onlyOwner {
require(admins > 1, "CANT_REMOVE_LAST_ADMIN");
_admins.remove(_admin);
admins -= 1;
}
function tokenURI(uint _tokenId) external view returns (string memory _infoUrl) {
return Metadata(metadata).tokenURI(_tokenId);
}
function moveEth(address payable _to, uint256 _amount) public onlyAdminOrController {
require(_amount <= address(this).balance);
_to.transfer(_amount);
}
function moveToken(address _to, uint256 _amount, address _token) public onlyAdminOrController returns (bool) {
require(_amount <= IERC20(_token).balanceOf(address(this)));
return IERC20(_token).transfer(_to, _amount);
}
}
文件 9 的 19：IERC165.sol
pragma solidity ^0.5.0;
interface IERC165 {
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}
文件 10 的 19：IERC20.sol
pragma solidity ^0.5.0;
interface IERC20 {
function transfer(address to, uint256 value) external returns (bool);
function approve(address spender, uint256 value) external returns (bool);
function transferFrom(address from, address to, uint256 value) external returns (bool);
function totalSupply() external view returns (uint256);
function balanceOf(address who) external view returns (uint256);
function allowance(address owner, address spender) external view returns (uint256);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
文件 11 的 19：IERC721.sol
pragma solidity ^0.5.0;
import "./IERC165.sol";
contract IERC721 is IERC165 {
event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);
event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);
event ApprovalForAll(address indexed owner, address indexed operator, bool approved);
function balanceOf(address owner) public view returns (uint256 balance);
function ownerOf(uint256 tokenId) public view returns (address owner);
function approve(address to, uint256 tokenId) public;
function getApproved(uint256 tokenId) public view returns (address operator);
function setApprovalForAll(address operator, bool _approved) public;
function isApprovedForAll(address owner, address operator) public view returns (bool);
function transferFrom(address from, address to, uint256 tokenId) public;
function safeTransferFrom(address from, address to, uint256 tokenId) public;
function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory data) public;
}
文件 12 的 19：IERC721Enumerable.sol
pragma solidity ^0.5.0;
import "./IERC721.sol";
contract IERC721Enumerable is IERC721 {
function totalSupply() public view returns (uint256);
function tokenOfOwnerByIndex(address owner, uint256 index) public view returns (uint256 tokenId);
function tokenByIndex(uint256 index) public view returns (uint256);
}
文件 13 的 19：IERC721Metadata.sol
pragma solidity ^0.5.0;
import "./IERC721.sol";
contract IERC721Metadata is IERC721 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function tokenURI(uint256 tokenId) external view returns (string memory);
}
文件 14 的 19：IERC721Receiver.sol
pragma solidity ^0.5.0;
contract IERC721Receiver {
function onERC721Received(address operator, address from, uint256 tokenId, bytes memory data)
public returns (bytes4);
}
文件 15 的 19：Metadata.sol
pragma solidity ^0.5.0;
import "./strings.sol";
contract Metadata {
using strings for *;
function tokenURI(uint _tokenId) public pure returns (string memory _infoUrl) {
string memory base = "https://folia.app/v1/metadata/";
string memory id = uint2str(_tokenId);
return base.toSlice().concat(id.toSlice());
}
function uint2str(uint i) internal pure returns (string memory) {
if (i == 0) return "0";
uint j = i;
uint length;
while (j != 0) {
length++;
j /= 10;
}
bytes memory bstr = new bytes(length);
uint k = length - 1;
while (i != 0) {
uint _uint = 48 + i % 10;
bstr[k--] = toBytes(_uint)[31];
i /= 10;
}
return string(bstr);
}
function toBytes(uint256 x) public pure returns (bytes memory b) {
b = new bytes(32);
assembly { mstore(add(b, 32), x) }
}
}
文件 16 的 19：Ownable.sol
pragma solidity ^0.5.0;
contract Ownable {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor () internal {
_owner = msg.sender;
emit OwnershipTransferred(address(0), _owner);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(isOwner());
_;
}
function isOwner() public view returns (bool) {
return msg.sender == _owner;
}
function renounceOwnership() public onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
function transferOwnership(address newOwner) public onlyOwner {
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal {
require(newOwner != address(0));
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
文件 17 的 19：Roles.sol
pragma solidity ^0.5.0;
library Roles {
struct Role {
mapping (address => bool) bearer;
}
function add(Role storage role, address account) internal {
require(account != address(0));
require(!has(role, account));
role.bearer[account] = true;
}
function remove(Role storage role, address account) internal {
require(account != address(0));
require(has(role, account));
role.bearer[account] = false;
}
function has(Role storage role, address account) internal view returns (bool) {
require(account != address(0));
return role.bearer[account];
}
}
文件 18 的 19：SafeMath.sol
pragma solidity ^0.5.0;
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0);
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a);
uint256 c = a - b;
return c;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a);
return c;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
return a % b;
}
}
文件 19 的 19：strings.sol
pragma solidity ^0.5.0;
library strings {
struct slice {
uint _len;
uint _ptr;
}
function memcpy(uint dest, uint src, uint len) private pure {
for (; len >= 32; len -= 32) {
assembly {
mstore(dest, mload(src))
}
dest += 32;
src += 32;
}
uint mask = 256 ** (32 - len) - 1;
assembly {
let srcpart := and(mload(src), not(mask))
let destpart := and(mload(dest), mask)
mstore(dest, or(destpart, srcpart))
}
}
function toSlice(string memory self) internal pure returns (slice memory) {
uint ptr;
assembly {
ptr := add(self, 0x20)
}
return slice(bytes(self).length, ptr);
}
function concat(slice memory self, slice memory other) internal pure returns (string memory) {
string memory ret = new string(self._len + other._len);
uint retptr;
assembly {
retptr := add(ret, 32)
}
memcpy(retptr, self._ptr, self._len);
memcpy(retptr + self._len, other._ptr, other._len);
return ret;
}
}
{
"compilationTarget": {
"DotComSeance.sol": "DotComSeance"
},
"evmVersion": "byzantium",
"libraries": {},
"optimizer": {
"enabled": true,
"runs": 2000000
},
"remappings": []
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