Overview
Max Total Supply
11,479 HERO
Holders
0 (0.00%)
Market
Volume (24H)
N/A
Min Price (24H)
N/A
Max Price (24H)
N/A
Other Info
Token Contract
Balance
0 HEROLoading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Name:
ETHero
Compiler Version
v0.4.21+commit.dfe3193c
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity)
/** *Submitted for verification at Etherscan.io on 2018-07-23 */ pragma solidity ^0.4.21; // The contract uses code from zeppelin-solidity library // licensed under MIT license // https://github.com/OpenZeppelin/zeppelin-solidity library SafeMath { function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; assert(c / a == b); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { // assert(b > 0); // Solidity automatically throws when dividing by 0 uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { assert(b <= a); return a - b; } function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; assert(c >= a); return c; } } /** * @title ERC721 Non-Fungible Token Standard basic interface * @dev see https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md */ contract ERC721Basic { event Transfer(address indexed _from, address indexed _to, uint256 _tokenId); event Approval(address indexed _owner, address indexed _approved, uint256 _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 exists(uint256 _tokenId) public view returns (bool _exists); 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 _data) public; } /** * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension * @dev See https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md */ contract ERC721Enumerable is ERC721Basic { 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); } /** * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md */ contract ERC721Metadata is ERC721Basic { function name() public view returns (string _name); function symbol() public view returns (string _symbol); function tokenURI(uint256 _tokenId) public view returns (string); } /** * @title ERC-721 Non-Fungible Token Standard, full implementation interface * @dev See https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md */ contract ERC721 is ERC721Basic, ERC721Enumerable, ERC721Metadata { } /** * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. */ contract ERC721Receiver { /** * @dev Magic value to be returned upon successful reception of an NFT * Equals to `bytes4(keccak256("onERC721Received(address,uint256,bytes)"))`, * which can be also obtained as `ERC721Receiver(0).onERC721Received.selector` */ bytes4 constant ERC721_RECEIVED = 0xf0b9e5ba; /** * @notice Handle the receipt of an NFT * @dev The ERC721 smart contract calls this function on the recipient * after a `safetransfer`. This function MAY throw to revert and reject the * transfer. This function MUST use 50,000 gas or less. Return of other * than the magic value MUST result in the transaction being reverted. * Note: the contract address is always the message sender. * @param _from The sending address * @param _tokenId The NFT identifier which is being transfered * @param _data Additional data with no specified format * @return `bytes4(keccak256("onERC721Received(address,uint256,bytes)"))` */ function onERC721Received(address _from, uint256 _tokenId, bytes _data) public returns(bytes4); } /** * @title ERC721 Non-Fungible Token Standard basic implementation * @dev see https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md */ contract ERC721BasicToken is ERC721Basic { using SafeMath for uint256; // Equals to `bytes4(keccak256("onERC721Received(address,uint256,bytes)"))` // which can be also obtained as `ERC721Receiver(0).onERC721Received.selector` bytes4 constant ERC721_RECEIVED = 0xf0b9e5ba; // Mapping from token ID to owner mapping (uint256 => address) internal tokenOwner; // Mapping from token ID to approved address mapping (uint256 => address) internal tokenApprovals; // Mapping from owner to number of owned token mapping (address => uint256) internal ownedTokensCount; // Mapping from owner to operator approvals mapping (address => mapping (address => bool)) internal operatorApprovals; /** * @dev Guarantees msg.sender is owner of the given token * @param _tokenId uint256 ID of the token to validate its ownership belongs to msg.sender */ modifier onlyOwnerOf(uint256 _tokenId) { require(ownerOf(_tokenId) == msg.sender); _; } /** * @dev Checks msg.sender can transfer a token, by being owner, approved, or operator * @param _tokenId uint256 ID of the token to validate */ modifier canTransfer(uint256 _tokenId) { require(isApprovedOrOwner(msg.sender, _tokenId)); _; } /** * @dev Gets the balance of the specified address * @param _owner address to query the balance of * @return uint256 representing the amount owned by the passed address */ function balanceOf(address _owner) public view returns (uint256) { require(_owner != address(0)); return ownedTokensCount[_owner]; } /** * @dev Gets the owner of the specified token ID * @param _tokenId uint256 ID of the token to query the owner of * @return owner address currently marked as the owner of the given token ID */ function ownerOf(uint256 _tokenId) public view returns (address) { address owner = tokenOwner[_tokenId]; require(owner != address(0)); return owner; } /** * @dev Returns whether the specified token exists * @param _tokenId uint256 ID of the token to query the existance of * @return whether the token exists */ function exists(uint256 _tokenId) public view returns (bool) { address owner = tokenOwner[_tokenId]; return owner != address(0); } /** * @dev Approves another address to transfer the given token ID * @dev The zero address indicates there is no approved address. * @dev There can only be one approved address per token at a given time. * @dev Can only be called by the token owner or an approved operator. * @param _to address to be approved for the given token ID * @param _tokenId uint256 ID of the token to be approved */ function approve(address _to, uint256 _tokenId) public { address owner = ownerOf(_tokenId); require(_to != owner); require(msg.sender == owner || isApprovedForAll(owner, msg.sender)); if (getApproved(_tokenId) != address(0) || _to != address(0)) { tokenApprovals[_tokenId] = _to; emit Approval(owner, _to, _tokenId); } } /** * @dev Gets the approved address for a token ID, or zero if no address set * @param _tokenId uint256 ID of the token to query the approval of * @return address currently approved for a the given token ID */ function getApproved(uint256 _tokenId) public view returns (address) { return tokenApprovals[_tokenId]; } /** * @dev Sets or unsets the approval of a given operator * @dev An operator is allowed to transfer all tokens of the sender on their behalf * @param _to operator address to set the approval * @param _approved representing the status of the approval to be set */ function setApprovalForAll(address _to, bool _approved) public { require(_to != msg.sender); operatorApprovals[msg.sender][_to] = _approved; emit ApprovalForAll(msg.sender, _to, _approved); } /** * @dev Tells whether an operator is approved by a given owner * @param _owner owner address which you want to query the approval of * @param _operator operator address which you want to query the approval of * @return bool whether the given operator is approved by the given owner */ function isApprovedForAll(address _owner, address _operator) public view returns (bool) { return operatorApprovals[_owner][_operator]; } /** * @dev Transfers the ownership of a given token ID to another address * @dev Usage of this method is discouraged, use `safeTransferFrom` whenever possible * @dev Requires the msg sender to be the owner, approved, or operator * @param _from current owner of the token * @param _to address to receive the ownership of the given token ID * @param _tokenId uint256 ID of the token to be transferred */ function transferFrom(address _from, address _to, uint256 _tokenId) public canTransfer(_tokenId) { require(_from != address(0)); require(_to != address(0)); clearApproval(_from, _tokenId); removeTokenFrom(_from, _tokenId); addTokenTo(_to, _tokenId); emit Transfer(_from, _to, _tokenId); } /** * @dev Safely transfers the ownership of a given token ID to another address * @dev If the target address is a contract, it must implement `onERC721Received`, * which is called upon a safe transfer, and return the magic value * `bytes4(keccak256("onERC721Received(address,uint256,bytes)"))`; otherwise, * the transfer is reverted. * @dev Requires the msg sender to be the owner, approved, or operator * @param _from current owner of the token * @param _to address to receive the ownership of the given token ID * @param _tokenId uint256 ID of the token to be transferred */ function safeTransferFrom( address _from, address _to, uint256 _tokenId ) public canTransfer(_tokenId) { safeTransferFrom(_from, _to, _tokenId, ""); } /** * @dev Safely transfers the ownership of a given token ID to another address * @dev If the target address is a contract, it must implement `onERC721Received`, * which is called upon a safe transfer, and return the magic value * `bytes4(keccak256("onERC721Received(address,uint256,bytes)"))`; otherwise, * the transfer is reverted. * @dev Requires the msg sender to be the owner, approved, or operator * @param _from current owner of the token * @param _to address to receive the ownership of the given token ID * @param _tokenId uint256 ID of the token to be transferred * @param _data bytes data to send along with a safe transfer check */ function safeTransferFrom( address _from, address _to, uint256 _tokenId, bytes _data ) public canTransfer(_tokenId) { transferFrom(_from, _to, _tokenId); require(checkAndCallSafeTransfer(_from, _to, _tokenId, _data)); } /** * @dev Returns whether the given spender can transfer a given token ID * @param _spender address of the spender to query * @param _tokenId uint256 ID of the token to be transferred * @return bool whether the msg.sender is approved for the given token ID, * is an operator of the owner, or is the owner of the token */ function isApprovedOrOwner(address _spender, uint256 _tokenId) internal view returns (bool) { address owner = ownerOf(_tokenId); return _spender == owner || getApproved(_tokenId) == _spender || isApprovedForAll(owner, _spender); } /** * @dev Internal function to mint a new token * @dev Reverts if the given token ID already exists * @param _to The address that will own the minted token * @param _tokenId uint256 ID of the token to be minted by the msg.sender */ function _mint(address _to, uint256 _tokenId) internal { require(_to != address(0)); addTokenTo(_to, _tokenId); emit Transfer(address(0), _to, _tokenId); } /** * @dev Internal function to burn a specific token * @dev Reverts if the token does not exist * @param _tokenId uint256 ID of the token being burned by the msg.sender */ function _burn(address _owner, uint256 _tokenId) internal { clearApproval(_owner, _tokenId); removeTokenFrom(_owner, _tokenId); emit Transfer(_owner, address(0), _tokenId); } /** * @dev Internal function to clear current approval of a given token ID * @dev Reverts if the given address is not indeed the owner of the token * @param _owner owner of the token * @param _tokenId uint256 ID of the token to be transferred */ function clearApproval(address _owner, uint256 _tokenId) internal { require(ownerOf(_tokenId) == _owner); if (tokenApprovals[_tokenId] != address(0)) { tokenApprovals[_tokenId] = address(0); emit Approval(_owner, address(0), _tokenId); } } /** * @dev Internal function to add a token ID to the list of a given address * @param _to address representing the new owner of the given token ID * @param _tokenId uint256 ID of the token to be added to the tokens list of the given address */ function addTokenTo(address _to, uint256 _tokenId) internal { require(tokenOwner[_tokenId] == address(0)); tokenOwner[_tokenId] = _to; ownedTokensCount[_to] = ownedTokensCount[_to].add(1); } /** * @dev Internal function to remove a token ID from the list of a given address * @param _from address representing the previous owner of the given token ID * @param _tokenId uint256 ID of the token to be removed from the tokens list of the given address */ function removeTokenFrom(address _from, uint256 _tokenId) internal { require(ownerOf(_tokenId) == _from); ownedTokensCount[_from] = ownedTokensCount[_from].sub(1); tokenOwner[_tokenId] = address(0); } /** * Returns whether the target address is a contract * @dev This function will return false if invoked during the constructor of a contract, * as the code is not actually created until after the constructor finishes. * @param _user address to check * @return whether the target address is a contract */ function _isContract(address _user) internal view returns (bool) { uint size; assembly { size := extcodesize(_user) } return size > 0; } /** * @dev Internal function to invoke `onERC721Received` on a target address * @dev The call is not executed if the target address is not a contract * @param _from address representing the previous owner of the given token ID * @param _to target address that will receive the tokens * @param _tokenId uint256 ID of the token to be transferred * @param _data bytes optional data to send along with the call * @return whether the call correctly returned the expected magic value */ function checkAndCallSafeTransfer( address _from, address _to, uint256 _tokenId, bytes _data ) internal returns (bool) { if (!_isContract(_to)) { return true; } bytes4 retval = ERC721Receiver(_to).onERC721Received(_from, _tokenId, _data); return (retval == ERC721_RECEIVED); } } contract Owned { address owner; modifier onlyOwner { require(msg.sender == owner); _; } /// @dev Contract constructor function Owned() public { owner = msg.sender; } } contract HeroLogicInterface { function isTransferAllowed(address _from, address _to, uint256 _tokenId) public view returns (bool); } contract ETHero is Owned, ERC721, ERC721BasicToken { struct HeroData { uint16 fieldA; uint16 fieldB; uint32 fieldC; uint32 fieldD; uint32 fieldE; uint64 fieldF; uint64 fieldG; } // Token name string internal name_; // Token symbol string internal symbol_; // Mapping from owner to list of owned token IDs mapping (address => uint256[]) internal ownedTokens; // Mapping from token ID to index of the owner tokens list mapping(uint256 => uint256) internal ownedTokensIndex; // Array with all token ids, used for enumeration uint256[] internal allTokens; // Mapping from token id to position in the allTokens array mapping(uint256 => uint256) internal allTokensIndex; // Prefix for token URIs string public tokenUriPrefix = "https://eth.town/hero-image/"; // Interchangeable logic contract address public logicContract; // Incremental uniqueness index for the genome uint32 public uniquenessIndex = 0; // Last token ID uint256 public lastTokenId = 0; // Users' active heroes mapping(address => uint256) public activeHero; // Hero data mapping(uint256 => HeroData) public heroData; // Genomes mapping(uint256 => uint256) public genome; event ActiveHeroChanged(address indexed _from, uint256 _tokenId); modifier onlyLogicContract { require(msg.sender == logicContract || msg.sender == owner); _; } /** * @dev Constructor function */ function ETHero() public { name_ = "ETH.TOWN Hero"; symbol_ = "HERO"; } /** * @dev Sets the token's interchangeable logic contract */ function setLogicContract(address _logicContract) external onlyOwner { logicContract = _logicContract; } /** * @dev Gets the token name * @return string representing the token name */ function name() public view returns (string) { return name_; } /** * @dev Gets the token symbol * @return string representing the token symbol */ function symbol() public view returns (string) { return symbol_; } /** * @dev Internal function to check if transferring a specific token is allowed * @param _from transfer from * @param _to transfer to * @param _tokenId token to transfer */ function _isTransferAllowed(address _from, address _to, uint256 _tokenId) internal view returns (bool) { if (logicContract == address(0)) { return true; } HeroLogicInterface logic = HeroLogicInterface(logicContract); return logic.isTransferAllowed(_from, _to, _tokenId); } /** * @dev Appends uint (in decimal) to a string * @param _str The prefix string * @param _value The uint to append * @return resulting string */ function _appendUintToString(string _str, uint _value) internal pure returns (string) { uint maxLength = 100; bytes memory reversed = new bytes(maxLength); uint i = 0; while (_value != 0) { uint remainder = _value % 10; _value = _value / 10; reversed[i++] = byte(48 + remainder); } i--; bytes memory inStrB = bytes(_str); bytes memory s = new bytes(inStrB.length + i + 1); uint j; for (j = 0; j < inStrB.length; j++) { s[j] = inStrB[j]; } for (j = 0; j <= i; j++) { s[j + inStrB.length] = reversed[i - j]; } return string(s); } /** * @dev Returns an URI for a given token ID * @dev Throws if the token ID does not exist * @param _tokenId uint256 ID of the token to query */ function tokenURI(uint256 _tokenId) public view returns (string) { require(exists(_tokenId)); return _appendUintToString(tokenUriPrefix, genome[_tokenId]); } /** * @dev Gets the token ID at a given index of the tokens list of the requested owner * @param _owner address owning the tokens list to be accessed * @param _index uint256 representing the index to be accessed of the requested tokens list * @return uint256 token ID at the given index of the tokens list owned by the requested address */ function tokenOfOwnerByIndex(address _owner, uint256 _index) public view returns (uint256) { require(_index < balanceOf(_owner)); return ownedTokens[_owner][_index]; } /** * @dev Gets the total amount of tokens stored by the contract * @return uint256 representing the total amount of tokens */ function totalSupply() public view returns (uint256) { return allTokens.length; } /** * @dev Gets the token ID at a given index of all the tokens in this contract * @dev Reverts if the index is greater or equal to the total number of tokens * @param _index uint256 representing the index to be accessed of the tokens list * @return uint256 token ID at the given index of the tokens list */ function tokenByIndex(uint256 _index) public view returns (uint256) { require(_index < totalSupply()); return allTokens[_index]; } /** * @dev Internal function to add a token ID to the list of a given address * @param _to address representing the new owner of the given token ID * @param _tokenId uint256 ID of the token to be added to the tokens list of the given address */ function addTokenTo(address _to, uint256 _tokenId) internal { super.addTokenTo(_to, _tokenId); uint256 length = ownedTokens[_to].length; ownedTokens[_to].push(_tokenId); ownedTokensIndex[_tokenId] = length; if (activeHero[_to] == 0) { activeHero[_to] = _tokenId; emit ActiveHeroChanged(_to, _tokenId); } } /** * @dev Internal function to remove a token ID from the list of a given address * @param _from address representing the previous owner of the given token ID * @param _tokenId uint256 ID of the token to be removed from the tokens list of the given address */ function removeTokenFrom(address _from, uint256 _tokenId) internal { super.removeTokenFrom(_from, _tokenId); uint256 tokenIndex = ownedTokensIndex[_tokenId]; uint256 lastTokenIndex = ownedTokens[_from].length.sub(1); uint256 lastToken = ownedTokens[_from][lastTokenIndex]; ownedTokens[_from][tokenIndex] = lastToken; ownedTokens[_from][lastTokenIndex] = 0; // Note that this will handle single-element arrays. In that case, both tokenIndex and lastTokenIndex are going to // be zero. Then we can make sure that we will remove _tokenId from the ownedTokens list since we are first swapping // the lastToken to the first position, and then dropping the element placed in the last position of the list ownedTokens[_from].length--; ownedTokensIndex[_tokenId] = 0; ownedTokensIndex[lastToken] = tokenIndex; // If a hero is removed from its owner, it no longer can be their active hero if (activeHero[_from] == _tokenId) { activeHero[_from] = 0; emit ActiveHeroChanged(_from, 0); } } /** * @dev Internal function to mint a new token * @dev Reverts if the given token ID already exists * @param _to address the beneficiary that will own the minted token * @param _tokenId uint256 ID of the token to be minted by the msg.sender */ function _mint(address _to, uint256 _tokenId) internal { require(_to != address(0)); addTokenTo(_to, _tokenId); emit Transfer(address(0), _to, _tokenId); allTokensIndex[_tokenId] = allTokens.length; allTokens.push(_tokenId); } /** * @dev External function to mint a new token * @dev Reverts if the given token ID already exists * @param _to address the beneficiary that will own the minted token * @param _tokenId uint256 ID of the token to be minted by the msg.sender */ function mint(address _to, uint256 _tokenId) external onlyLogicContract { _mint(_to, _tokenId); } /** * @dev Internal function to burn a specific token * @dev Reverts if the token does not exist * @param _owner owner of the token to burn * @param _tokenId uint256 ID of the token being burned by the msg.sender */ function _burn(address _owner, uint256 _tokenId) internal { clearApproval(_owner, _tokenId); removeTokenFrom(_owner, _tokenId); emit Transfer(_owner, address(0), _tokenId); // Reorg all tokens array uint256 tokenIndex = allTokensIndex[_tokenId]; uint256 lastTokenIndex = allTokens.length.sub(1); uint256 lastToken = allTokens[lastTokenIndex]; allTokens[tokenIndex] = lastToken; allTokens[lastTokenIndex] = 0; allTokens.length--; allTokensIndex[_tokenId] = 0; allTokensIndex[lastToken] = tokenIndex; // Clear genome data if (genome[_tokenId] != 0) { genome[_tokenId] = 0; } } /** * @dev External function to burn a specific token * @dev Reverts if the token does not exist * @param _owner owner of the token to burn * @param _tokenId uint256 ID of the token being burned by the msg.sender */ function burn(address _owner, uint256 _tokenId) external onlyLogicContract { _burn(_owner, _tokenId); } /** * @dev Transfers the ownership of a given token ID to another address * @dev Usage of this method is discouraged, use `safeTransferFrom` whenever possible * @dev Requires the msg sender to be the owner, approved, or operator * @param _from current owner of the token * @param _to address to receive the ownership of the given token ID * @param _tokenId uint256 ID of the token to be transferred */ function transferFrom(address _from, address _to, uint256 _tokenId) public canTransfer(_tokenId) { require(_isTransferAllowed(_from, _to, _tokenId)); super.transferFrom(_from, _to, _tokenId); } /** * @dev Safely transfers the ownership of a given token ID to another address * @dev If the target address is a contract, it must implement `onERC721Received`, * which is called upon a safe transfer, and return the magic value * `bytes4(keccak256("onERC721Received(address,uint256,bytes)"))`; otherwise, * the transfer is reverted. * @dev Requires the msg sender to be the owner, approved, or operator * @param _from current owner of the token * @param _to address to receive the ownership of the given token ID * @param _tokenId uint256 ID of the token to be transferred */ function safeTransferFrom(address _from, address _to, uint256 _tokenId) public canTransfer(_tokenId) { require(_isTransferAllowed(_from, _to, _tokenId)); super.safeTransferFrom(_from, _to, _tokenId); } /** * @dev Safely transfers the ownership of a given token ID to another address * @dev If the target address is a contract, it must implement `onERC721Received`, * which is called upon a safe transfer, and return the magic value * `bytes4(keccak256("onERC721Received(address,uint256,bytes)"))`; otherwise, * the transfer is reverted. * @dev Requires the msg sender to be the owner, approved, or operator * @param _from current owner of the token * @param _to address to receive the ownership of the given token ID * @param _tokenId uint256 ID of the token to be transferred * @param _data bytes data to send along with a safe transfer check */ function safeTransferFrom(address _from, address _to, uint256 _tokenId, bytes _data) public canTransfer(_tokenId) { require(_isTransferAllowed(_from, _to, _tokenId)); super.safeTransferFrom(_from, _to, _tokenId, _data); } /** * @dev Allows to transfer a token to another owner * @param _to transfer to * @param _tokenId token to transfer */ function transfer(address _to, uint256 _tokenId) external onlyOwnerOf(_tokenId) { require(_isTransferAllowed(msg.sender, _to, _tokenId)); require(_to != address(0)); clearApproval(msg.sender, _tokenId); removeTokenFrom(msg.sender, _tokenId); addTokenTo(_to, _tokenId); emit Transfer(msg.sender, _to, _tokenId); } /** * @dev Sets the specified token as user's active Hero * @param _tokenId the hero token to set as active */ function setActiveHero(uint256 _tokenId) external onlyOwnerOf(_tokenId) { activeHero[msg.sender] = _tokenId; emit ActiveHeroChanged(msg.sender, _tokenId); } /** * @dev Queries list of tokens owned by a specific address * @param _owner the address to get tokens of */ function tokensOfOwner(address _owner) external view returns (uint256[]) { return ownedTokens[_owner]; } /** * @dev Gets the genome of the active hero * @param _owner the address to get hero of */ function activeHeroGenome(address _owner) public view returns (uint256) { uint256 tokenId = activeHero[_owner]; if (tokenId == 0) { return 0; } return genome[tokenId]; } /** * @dev Increments uniqueness index. Overflow intentionally allowed. */ function incrementUniquenessIndex() external onlyLogicContract { uniquenessIndex ++; } /** * @dev Increments lastTokenId */ function incrementLastTokenId() external onlyLogicContract { lastTokenId ++; } /** * @dev Allows (re-)setting the uniqueness index * @param _uniquenessIndex new value */ function setUniquenessIndex(uint32 _uniquenessIndex) external onlyOwner { uniquenessIndex = _uniquenessIndex; } /** * @dev Allows (re-)setting lastTokenId * @param _lastTokenId new value */ function setLastTokenId(uint256 _lastTokenId) external onlyOwner { lastTokenId = _lastTokenId; } /** * @dev Allows setting hero data for a hero * @param _tokenId hero to set data for * @param _fieldA data to set * @param _fieldB data to set * @param _fieldC data to set * @param _fieldD data to set * @param _fieldE data to set * @param _fieldF data to set * @param _fieldG data to set */ function setHeroData( uint256 _tokenId, uint16 _fieldA, uint16 _fieldB, uint32 _fieldC, uint32 _fieldD, uint32 _fieldE, uint64 _fieldF, uint64 _fieldG ) external onlyLogicContract { heroData[_tokenId] = HeroData( _fieldA, _fieldB, _fieldC, _fieldD, _fieldE, _fieldF, _fieldG ); } /** * @dev Allows setting hero genome * @param _tokenId token to set data for * @param _genome genome data to set */ function setGenome(uint256 _tokenId, uint256 _genome) external onlyLogicContract { genome[_tokenId] = _genome; } /** * @dev Allows the admin to forcefully transfer a token from one address to another * @param _from transfer from * @param _to transfer to * @param _tokenId token to transfer */ function forceTransfer(address _from, address _to, uint256 _tokenId) external onlyLogicContract { require(_from != address(0)); require(_to != address(0)); clearApproval(_from, _tokenId); removeTokenFrom(_from, _tokenId); addTokenTo(_to, _tokenId); emit Transfer(_from, _to, _tokenId); } /** * @dev External function to set the token URI prefix for all tokens * @param _uriPrefix prefix string to assign */ function setTokenUriPrefix(string _uriPrefix) external onlyOwner { tokenUriPrefix = _uriPrefix; } }
Contract Security Audit
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Contract Creation Code
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Swarm Source
bzzr://17bfcef20c0dcc7aa0b7d98abedad0970445dcced96cd76799df1f4fc0358e93
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