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TokenTracker
Multi Chain
Multichain Addresses
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Latest 25 from a total of 1,111 transactions
Transaction Hash |
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Block
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Purchase | 5140432 | 1931 days 15 hrs ago | IN | 0.216 ETH | 0.00031708 | ||||
Purchase | 5121344 | 1934 days 21 hrs ago | IN | 0.144 ETH | 0.00912634 | ||||
Purchase | 5120308 | 1935 days 1 hr ago | IN | 0.096 ETH | 0.00028708 | ||||
Purchase | 5120058 | 1935 days 2 hrs ago | IN | 0.064 ETH | 0.00043062 | ||||
Purchase | 5119596 | 1935 days 4 hrs ago | IN | 0.032 ETH | 0.00081355 | ||||
Purchase | 5118821 | 1935 days 7 hrs ago | IN | 0.016 ETH | 0.00089509 | ||||
Purchase | 5118076 | 1935 days 10 hrs ago | IN | 0.008 ETH | 0.00024029 | ||||
Purchase | 5117643 | 1935 days 12 hrs ago | IN | 0.004 ETH | 0.00011242 | ||||
Purchase | 5117625 | 1935 days 12 hrs ago | IN | 0.002 ETH | 0.0002094 | ||||
Purchase | 5117612 | 1935 days 12 hrs ago | IN | 0.001 ETH | 0.0001272 | ||||
Create Contract ... | 5117604 | 1935 days 12 hrs ago | IN | 0 ETH | 0.00046943 | ||||
Purchase | 5110991 | 1936 days 15 hrs ago | IN | 0.486 ETH | 0.00044061 | ||||
Purchase | 5110989 | 1936 days 15 hrs ago | IN | 0.486 ETH | 0.00002319 | ||||
Purchase | 5110958 | 1936 days 15 hrs ago | IN | 0.144 ETH | 0.004638 | ||||
Purchase | 5110958 | 1936 days 15 hrs ago | IN | 0.096 ETH | 0.004638 | ||||
Purchase | 5110958 | 1936 days 15 hrs ago | IN | 0.096 ETH | 0.0034785 | ||||
Purchase | 5110003 | 1936 days 19 hrs ago | IN | 1.42382812 ETH | 0.00009212 | ||||
Purchase | 5109979 | 1936 days 19 hrs ago | IN | 1.42382812 ETH | 0.00018424 | ||||
Purchase | 5109645 | 1936 days 20 hrs ago | IN | 1.1390625 ETH | 0.0003 | ||||
Purchase | 5109354 | 1936 days 21 hrs ago | IN | 0.4 ETH | 0.0002319 | ||||
Purchase | 5109353 | 1936 days 21 hrs ago | IN | 0.55 ETH | 0.00095079 | ||||
Purchase | 5109339 | 1936 days 21 hrs ago | IN | 0.45 ETH | 0.00095079 | ||||
Purchase | 5109336 | 1936 days 21 hrs ago | IN | 0.55 ETH | 0.00095079 | ||||
Purchase | 5109333 | 1936 days 21 hrs ago | IN | 0.799 ETH | 0.00060294 | ||||
Purchase | 5109333 | 1936 days 21 hrs ago | IN | 0.8 ETH | 0.00062613 |
Latest 25 internal transactions (View All)
Parent Txn Hash | Block | From | To | Value | ||
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5140432 | 1931 days 15 hrs ago | 0.00072 ETH | ||||
5140432 | 1931 days 15 hrs ago | 0.0072 ETH | ||||
5140432 | 1931 days 15 hrs ago | 0.0072 ETH | ||||
5140432 | 1931 days 15 hrs ago | 0.0072 ETH | ||||
5140432 | 1931 days 15 hrs ago | 0.0072 ETH | ||||
5140432 | 1931 days 15 hrs ago | 0.0072 ETH | ||||
5140432 | 1931 days 15 hrs ago | 0.17928 ETH | ||||
5121344 | 1934 days 21 hrs ago | 0.00048 ETH | ||||
5121344 | 1934 days 21 hrs ago | 0.0048 ETH | ||||
5121344 | 1934 days 21 hrs ago | 0.0048 ETH | ||||
5121344 | 1934 days 21 hrs ago | 0.0048 ETH | ||||
5121344 | 1934 days 21 hrs ago | 0.0048 ETH | ||||
5121344 | 1934 days 21 hrs ago | 0.0048 ETH | ||||
5121344 | 1934 days 21 hrs ago | 0.11952 ETH | ||||
5120308 | 1935 days 1 hr ago | 0.00032 ETH | ||||
5120308 | 1935 days 1 hr ago | 0.0032 ETH | ||||
5120308 | 1935 days 1 hr ago | 0.0032 ETH | ||||
5120308 | 1935 days 1 hr ago | 0.0032 ETH | ||||
5120308 | 1935 days 1 hr ago | 0.0032 ETH | ||||
5120308 | 1935 days 1 hr ago | 0.0032 ETH | ||||
5120308 | 1935 days 1 hr ago | 0.07968 ETH | ||||
5120058 | 1935 days 2 hrs ago | 0.00032 ETH | ||||
5120058 | 1935 days 2 hrs ago | 0.0032 ETH | ||||
5120058 | 1935 days 2 hrs ago | 0.0032 ETH | ||||
5120058 | 1935 days 2 hrs ago | 0.0032 ETH |
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Contract Name:
EtherColor
Compiler Version
v0.4.18+commit.9cf6e910
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity)
/** *Submitted for verification at Etherscan.io on 2018-02-17 */ pragma solidity ^0.4.18; /// Colors :3 /// @title Interface for contracts conforming to ERC-721: Non-Fungible Tokens /// @author Dieter Shirley <[email protected]> (https://github.com/dete) contract ERC721 { // Required methods function approve(address _to, uint256 _tokenId) public; function balanceOf(address _owner) public view returns (uint256 balance); function implementsERC721() public pure returns (bool); function ownerOf(uint256 _tokenId) public view returns (address addr); function takeOwnership(uint256 _tokenId) public; function totalSupply() public view returns (uint256 total); function transferFrom(address _from, address _to, uint256 _tokenId) public; function transfer(address _to, uint256 _tokenId) public; event Transfer(address indexed from, address indexed to, uint256 tokenId); event Approval(address indexed owner, address indexed approved, uint256 tokenId); // Optional // function name() public view returns (string name); // function symbol() public view returns (string symbol); // function tokenOfOwnerByIndex(address _owner, uint256 _index) external view returns (uint256 tokenId); // function tokenMetadata(uint256 _tokenId) public view returns (string infoUrl); } /// Modified from the CryptoCelebrities contract /// And again modified from the EmojiBlockhain contract contract EtherColor is ERC721 { /*** EVENTS ***/ /// @dev The Birth event is fired whenever a new color comes into existence. event Birth(uint256 tokenId, string name, address owner); /// @dev The TokenSold event is fired whenever a token is sold. event TokenSold(uint256 tokenId, uint256 oldPrice, uint256 newPrice, address prevOwner, address winner, string name); /// @dev Transfer event as defined in current draft of ERC721. /// ownership is assigned, including births. event Transfer(address from, address to, uint256 tokenId); /*** CONSTANTS ***/ /// @notice Name and symbol of the non fungible token, as defined in ERC721. string public constant NAME = "EtherColors"; // solhint-disable-line string public constant SYMBOL = "EtherColor"; // solhint-disable-line uint256 private startingPrice = 0.001 ether; uint256 private firstStepLimit = 0.05 ether; uint256 private secondStepLimit = 0.5 ether; /*** STORAGE ***/ /// @dev A mapping from color IDs to the address that owns them. All colors have /// some valid owner address. mapping (uint256 => address) public colorIndexToOwner; // @dev A mapping from owner address to count of tokens that address owns. // Used internally inside balanceOf() to resolve ownership count. mapping (address => uint256) private ownershipTokenCount; /// @dev A mapping from ColorIDs to an address that has been approved to call /// transferFrom(). Each Color can only have one approved address for transfer /// at any time. A zero value means no approval is outstanding. mapping (uint256 => address) public colorIndexToApproved; // @dev A mapping from ColorIDs to the price of the token. mapping (uint256 => uint256) private colorIndexToPrice; /// @dev A mapping from ColorIDs to the previpus price of the token. Used /// to calculate price delta for payouts mapping (uint256 => uint256) private colorIndexToPreviousPrice; // @dev A mapping from colorId to the 7 last owners. mapping (uint256 => address[5]) private colorIndexToPreviousOwners; // The addresses of the accounts (or contracts) that can execute actions within each roles. address public ceoAddress; address public cooAddress; /*** DATATYPES ***/ struct Color { string name; } Color[] private colors; /*** ACCESS MODIFIERS ***/ /// @dev Access modifier for CEO-only functionality modifier onlyCEO() { require(msg.sender == ceoAddress); _; } /// @dev Access modifier for COO-only functionality modifier onlyCOO() { require(msg.sender == cooAddress); _; } /// Access modifier for contract owner only functionality modifier onlyCLevel() { require( msg.sender == ceoAddress || msg.sender == cooAddress ); _; } /*** CONSTRUCTOR ***/ function EtherColor() public { ceoAddress = msg.sender; cooAddress = msg.sender; } /*** PUBLIC FUNCTIONS ***/ /// @notice Grant another address the right to transfer token via takeOwnership() and transferFrom(). /// @param _to The address to be granted transfer approval. Pass address(0) to /// clear all approvals. /// @param _tokenId The ID of the Token that can be transferred if this call succeeds. /// @dev Required for ERC-721 compliance. function approve( address _to, uint256 _tokenId ) public { // Caller must own token. require(_owns(msg.sender, _tokenId)); colorIndexToApproved[_tokenId] = _to; Approval(msg.sender, _to, _tokenId); } /// For querying balance of a particular account /// @param _owner The address for balance query /// @dev Required for ERC-721 compliance. function balanceOf(address _owner) public view returns (uint256 balance) { return ownershipTokenCount[_owner]; } /// @dev Creates a new Color with the given name. function createContractColor(string _name) public onlyCOO { _createColor(_name, address(this), startingPrice); } /// @notice Returns all the relevant information about a specific color. /// @param _tokenId The tokenId of the color of interest. function getColor(uint256 _tokenId) public view returns ( string colorName, uint256 sellingPrice, address owner, uint256 previousPrice, address[5] previousOwners ) { Color storage color = colors[_tokenId]; colorName = color.name; sellingPrice = colorIndexToPrice[_tokenId]; owner = colorIndexToOwner[_tokenId]; previousPrice = colorIndexToPreviousPrice[_tokenId]; previousOwners = colorIndexToPreviousOwners[_tokenId]; } function implementsERC721() public pure returns (bool) { return true; } /// @dev Required for ERC-721 compliance. function name() public pure returns (string) { return NAME; } /// For querying owner of token /// @param _tokenId The tokenID for owner inquiry /// @dev Required for ERC-721 compliance. function ownerOf(uint256 _tokenId) public view returns (address owner) { owner = colorIndexToOwner[_tokenId]; require(owner != address(0)); } function payout(address _to) public onlyCLevel { _payout(_to); } // Allows someone to send ether and obtain the token function purchase(uint256 _tokenId) public payable { address oldOwner = colorIndexToOwner[_tokenId]; address newOwner = msg.sender; address[5] storage previousOwners = colorIndexToPreviousOwners[_tokenId]; uint256 sellingPrice = colorIndexToPrice[_tokenId]; uint256 previousPrice = colorIndexToPreviousPrice[_tokenId]; // Making sure token owner is not sending to self require(oldOwner != newOwner); // Safety check to prevent against an unexpected 0x0 default. require(_addressNotNull(newOwner)); // Making sure sent amount is greater than or equal to the sellingPrice require(msg.value >= sellingPrice); uint256 priceDelta = SafeMath.sub(sellingPrice, previousPrice); uint256 ownerPayout = SafeMath.add(previousPrice, SafeMath.mul(SafeMath.div(priceDelta, 100), 49)); uint256 purchaseExcess = SafeMath.sub(msg.value, sellingPrice); // Update prices if (sellingPrice < firstStepLimit) { // first stage colorIndexToPrice[_tokenId] = SafeMath.div(SafeMath.mul(sellingPrice, 200), 100); } else if (sellingPrice < secondStepLimit) { // second stage colorIndexToPrice[_tokenId] = SafeMath.div(SafeMath.mul(sellingPrice, 150), 100); } else { // third stage colorIndexToPrice[_tokenId] = SafeMath.div(SafeMath.mul(sellingPrice, 125), 100); } colorIndexToPreviousPrice[_tokenId] = sellingPrice; uint256 fee_for_dev; // Pay previous tokenOwner if owner is not contract // and if previous price is not 0 if (oldOwner != address(this)) { // old owner gets entire initial payment back oldOwner.transfer(ownerPayout); fee_for_dev = SafeMath.mul(SafeMath.div(priceDelta, 100), 1); } else { fee_for_dev = SafeMath.add(ownerPayout, SafeMath.mul(SafeMath.div(priceDelta, 100), 1)); } // Next distribute payout Total among previous Owners for (uint i = 0; i <= 4; i++) { if (previousOwners[i] != address(this)) { previousOwners[i].transfer(uint256(SafeMath.div(SafeMath.mul(priceDelta, 10), 100))); } else { fee_for_dev = SafeMath.add(fee_for_dev, uint256(SafeMath.div(SafeMath.mul(priceDelta, 10), 100))); } } ceoAddress.transfer(fee_for_dev); _transfer(oldOwner, newOwner, _tokenId); //TokenSold(_tokenId, sellingPrice, colorIndexToPrice[_tokenId], oldOwner, newOwner, colors[_tokenId].name); msg.sender.transfer(purchaseExcess); } function priceOf(uint256 _tokenId) public view returns (uint256 price) { return colorIndexToPrice[_tokenId]; } /// @dev Assigns a new address to act as the CEO. Only available to the current CEO. /// @param _newCEO The address of the new CEO function setCEO(address _newCEO) public onlyCEO { require(_newCEO != address(0)); ceoAddress = _newCEO; } /// @dev Assigns a new address to act as the COO. Only available to the current COO. /// @param _newCOO The address of the new COO function setCOO(address _newCOO) public onlyCEO { require(_newCOO != address(0)); cooAddress = _newCOO; } /// @dev Required for ERC-721 compliance. function symbol() public pure returns (string) { return SYMBOL; } /// @notice Allow pre-approved user to take ownership of a token /// @param _tokenId The ID of the Token that can be transferred if this call succeeds. /// @dev Required for ERC-721 compliance. function takeOwnership(uint256 _tokenId) public { address newOwner = msg.sender; address oldOwner = colorIndexToOwner[_tokenId]; // Safety check to prevent against an unexpected 0x0 default. require(_addressNotNull(newOwner)); // Making sure transfer is approved require(_approved(newOwner, _tokenId)); _transfer(oldOwner, newOwner, _tokenId); } /// @param _owner The owner whose color tokens we are interested in. /// @dev This method MUST NEVER be called by smart contract code. First, it's fairly /// expensive (it walks the entire Colors array looking for colors belonging to owner), /// but it also returns a dynamic array, which is only supported for web3 calls, and /// not contract-to-contract calls. function tokensOfOwner(address _owner) public view returns(uint256[] ownerTokens) { uint256 tokenCount = balanceOf(_owner); if (tokenCount == 0) { // Return an empty array return new uint256[](0); } else { uint256[] memory result = new uint256[](tokenCount); uint256 totalColors = totalSupply(); uint256 resultIndex = 0; uint256 colorId; for (colorId = 0; colorId <= totalColors; colorId++) { if (colorIndexToOwner[colorId] == _owner) { result[resultIndex] = colorId; resultIndex++; } } return result; } } /// For querying totalSupply of token /// @dev Required for ERC-721 compliance. function totalSupply() public view returns (uint256 total) { return colors.length; } /// Owner initates the transfer of the token to another account /// @param _to The address for the token to be transferred to. /// @param _tokenId The ID of the Token that can be transferred if this call succeeds. /// @dev Required for ERC-721 compliance. function transfer( address _to, uint256 _tokenId ) public { require(_owns(msg.sender, _tokenId)); require(_addressNotNull(_to)); _transfer(msg.sender, _to, _tokenId); } /// Third-party initiates transfer of token from address _from to address _to /// @param _from The address for the token to be transferred from. /// @param _to The address for the token to be transferred to. /// @param _tokenId The ID of the Token that can be transferred if this call succeeds. /// @dev Required for ERC-721 compliance. function transferFrom( address _from, address _to, uint256 _tokenId ) public { require(_owns(_from, _tokenId)); require(_approved(_to, _tokenId)); require(_addressNotNull(_to)); _transfer(_from, _to, _tokenId); } /*** PRIVATE FUNCTIONS ***/ /// Safety check on _to address to prevent against an unexpected 0x0 default. function _addressNotNull(address _to) private pure returns (bool) { return _to != address(0); } /// For checking approval of transfer for address _to function _approved(address _to, uint256 _tokenId) private view returns (bool) { return colorIndexToApproved[_tokenId] == _to; } /// For creating Color function _createColor(string _name, address _owner, uint256 _price) private { Color memory _color = Color({ name: _name }); uint256 newColorId = colors.push(_color) - 1; // It's probably never going to happen, 4 billion tokens are A LOT, but // let's just be 100% sure we never let this happen. require(newColorId == uint256(uint32(newColorId))); Birth(newColorId, _name, _owner); colorIndexToPrice[newColorId] = _price; colorIndexToPreviousPrice[newColorId] = 0; colorIndexToPreviousOwners[newColorId] = [address(this), address(this), address(this), address(this), address(this)]; // This will assign ownership, and also emit the Transfer event as // per ERC721 draft _transfer(address(0), _owner, newColorId); } /// Check for token ownership function _owns(address claimant, uint256 _tokenId) private view returns (bool) { return claimant == colorIndexToOwner[_tokenId]; } /// For paying out balance on contract function _payout(address _to) private { if (_to == address(0)) { ceoAddress.transfer(this.balance); } else { _to.transfer(this.balance); } } /// @dev Assigns ownership of a specific Color to an address. function _transfer(address _from, address _to, uint256 _tokenId) private { // Since the number of colors is capped to 2^32 we can't overflow this ownershipTokenCount[_to]++; //transfer ownership colorIndexToOwner[_tokenId] = _to; // When creating new colors _from is 0x0, but we can't account that address. if (_from != address(0)) { ownershipTokenCount[_from]--; // clear any previously approved ownership exchange delete colorIndexToApproved[_tokenId]; } // Update the colorIndexToPreviousOwners colorIndexToPreviousOwners[_tokenId][4]=colorIndexToPreviousOwners[_tokenId][3]; colorIndexToPreviousOwners[_tokenId][3]=colorIndexToPreviousOwners[_tokenId][2]; colorIndexToPreviousOwners[_tokenId][2]=colorIndexToPreviousOwners[_tokenId][1]; colorIndexToPreviousOwners[_tokenId][1]=colorIndexToPreviousOwners[_tokenId][0]; // the _from address for creation is 0, so instead set it to the contract address if (_from != address(0)) { colorIndexToPreviousOwners[_tokenId][0]=_from; } else { colorIndexToPreviousOwners[_tokenId][0]=address(this); } // Emit the transfer event. Transfer(_from, _to, _tokenId); } } library SafeMath { /** * @dev Multiplies two numbers, throws on overflow. */ 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; } /** * @dev Integer division of two numbers, truncating the quotient. */ 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; } /** * @dev Substracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend). */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { assert(b <= a); return a - b; } /** * @dev Adds two numbers, throws on overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; assert(c >= a); return c; } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"pure","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_tokenId","type":"uint256"}],"name":"approve","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"ceoAddress","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"}],"name":"payout","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"implementsERC721","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"pure","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"total","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_newCEO","type":"address"}],"name":"setCEO","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_newCOO","type":"address"}],"name":"setCOO","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"name":"owner","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"","type":"uint256"}],"name":"colorIndexToApproved","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_tokenId","type":"uint256"}],"name":"getColor","outputs":[{"name":"colorName","type":"string"},{"name":"sellingPrice","type":"uint256"},{"name":"owner","type":"address"},{"name":"previousPrice","type":"uint256"},{"name":"previousOwners","type":"address[5]"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"tokensOfOwner","outputs":[{"name":"ownerTokens","type":"uint256[]"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"pure","type":"function"},{"constant":true,"inputs":[],"name":"NAME","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_tokenId","type":"uint256"}],"name":"transfer","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"cooAddress","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_tokenId","type":"uint256"}],"name":"takeOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_tokenId","type":"uint256"}],"name":"priceOf","outputs":[{"name":"price","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"","type":"uint256"}],"name":"colorIndexToOwner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_tokenId","type":"uint256"}],"name":"purchase","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[],"name":"SYMBOL","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_name","type":"string"}],"name":"createContractColor","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"name":"tokenId","type":"uint256"},{"indexed":false,"name":"name","type":"string"},{"indexed":false,"name":"owner","type":"address"}],"name":"Birth","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"tokenId","type":"uint256"},{"indexed":false,"name":"oldPrice","type":"uint256"},{"indexed":false,"name":"newPrice","type":"uint256"},{"indexed":false,"name":"prevOwner","type":"address"},{"indexed":false,"name":"winner","type":"address"},{"indexed":false,"name":"name","type":"string"}],"name":"TokenSold","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"from","type":"address"},{"indexed":false,"name":"to","type":"address"},{"indexed":false,"name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"approved","type":"address"},{"indexed":false,"name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"}]
Contract Creation Code
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Swarm Source
bzzr://1a47139f64b5be194eaca80ee0fabcd8c9b9c2f889abe17a3a41348e00289ad0
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.