yuyasugano’s gists

yuyasugano / IERC721

Created January 9, 2019 23:45

ERC721 basic interface

	pragma solidity ^0.4.23;

	import "../../introspection/IERC165.sol";

	/**
	* @title ERC721 Non-Fungible Token Standard basic interface
	* @dev see https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md
	*/
	contract IERC721 is IERC165 {
	event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

yuyasugano / CowOwnership

Created January 9, 2019 23:51

Cow ownership smart contract

	pragma solidity ^0.4.23;

	import "./CowBreeding.sol";
	import "openzeppelin-solidity/contracts/token/ERC721/ERC721.sol";

	/**
	* @title ERC721 compatible Cow Standard Basic Implementation
	* @dev Implements Cow transfer with inherited OpenZeppelin ERC721
	*/
	contract CowOwnership is CowBreeding, ERC721 {

yuyasugano / ERC721 Burnable

Created January 9, 2019 23:56

ERC721 Burnable implementation

	pragma solidity ^0.4.23;

	import "./ERC721.sol";

	/**
	* @title ERC721 Burnable Token
	* @dev ERC721 Token that can be irreversibly burned (destroyed).
	*/
	contract ERC721Burnable is ERC721 {
	/**

yuyasugano / CowBreeding

Created January 11, 2019 03:26

Cow Breeding frontend sample

	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<title>Cow Breeding Front-end</title>
	<script language="javascript" type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
	<script src="https://cdn.jsdelivr.net/gh/ethereum/[email protected]/dist/web3.min.js" integrity="sha256-nWBTbvxhJgjslRyuAKJHK+XcZPlCnmIAAMixz6EefVk=" crossorigin="anonymous"></script>
	<script language="javascript" type="text/javascript" src="cowbreeding_abi.js"></script>
	</head>
	<body>

yuyasugano / CowBreeding Solidity

Created January 11, 2019 03:30

Cow breeding smart contract

	pragma solidity ^0.4.23;

	import "./ownable.sol";
	import "openzeppelin-solidity/contracts/token/ERC721/ERC721.sol";

	/**
	* @title CowBreeding
	* @dev Cow Basic Implementation to breed them and provides basic functions.
	*/
	contract CowBreeding is Ownable {

yuyasugano / ERC721XTokenNFT

Created February 9, 2019 07:01

ERC721XTokenNFT.sol modification for tokenType mapping

	mapping(uint256 => uint256) tokenType;

	uint256 constant NFT = 1;
	uint256 constant FT = 2;

	/**
	* @dev Returns whether the specified token exists
	* @param _tokenId uint256 ID of the token to query the existence of
	* @return whether the token exists
	*/

yuyasugano / CardGame Implementation

Last active February 10, 2019 04:28

CardGame Implementation with multi-fungible token ERC721x

	pragma solidity ^0.4.25;

	import "erc721x/contracts/Core/ERC721X/ERC721XToken.sol";
	import "./Ownable.sol";

	contract CardGame is ERC721XToken, Ownable {

	mapping(uint => uint) internal tokenIdToIndividualSupply;
	mapping(uint => uint) internal nftTokenIdToMouldId;
	uint nftTokenIdIndex = 1000000;

yuyasugano / Loom_dapp_chain

Created February 16, 2019 10:19

Sample code deploy on loom_dapp_chain

	yarn run v1.12.3
	$ truffle deploy --network loom_dapp_chain
	Compiling ./contracts/Migrations.sol...
	Compiling ./contracts/MyCoin.sol...
	Compiling ./contracts/MyRinkebyCoin.sol...
	Compiling ./contracts/MyRinkebyToken.sol...
	Compiling ./contracts/MyToken.sol...
	Compiling ./contracts/SimpleStore.sol...
	Compiling openzeppelin-solidity/contracts/AddressUtils.sol...
	Compiling openzeppelin-solidity/contracts/introspection/ERC165.sol...

yuyasugano / ERC721 Metadata

Created March 2, 2019 06:43

ERC721 Metadata implementation

	pragma solidity ^0.4.23;

	import "./ERC721.sol";
	import "./IERC721Metadata.sol";
	import "../../introspection/ERC165.sol";

	contract ERC721Metadata is ERC165, ERC721, IERC721Metadata {
	// Token name
	string private _name;

yuyasugano / React User Status

Last active April 19, 2019 11:20

Blockstack application React User Status

	render() {
	const { handleSignOut } = this.props;
	const { person } = this.state;
	const { username } = this.state;

	return (
	!isSignInPending() && person ?
	<div className="container">
	<div className="row">
	<div className="col-md-offset-3 col-md-6">

Yuya Sugano yuyasugano