Udacity Blockchain Capstone

The capstone will build upon the knowledge you have gained in the course in order to build a decentralized housing product.

Installation

Download or clone the repo, then:

npm install

Testing

Versions used:

Truffle v5.1.24 (core: 5.1.24)
Solidity - ^0.4.25 (solc-js)
Node v10.7.0
Web3.js v1.2.1

Unit tests are available with:

truffle compile
ganache-cli
cd eth-contracts
truffle test

Contract

Deployed contract on Rinkeby

Contract Address: 0x56d51dfe039f13cc9901d5dd4a07837af922ace8

EREM Token Tracking: 0x56d51dfe039f13cc9901d5dd4a07837af922ace8

Open sea marketplace

OpenSea MarketPlace Storefront: eth-real-estate-marketplace

Minted tokens

Contract ABI

[
    {
    "inputs": [
        {
        "internalType": "string",
        "name": "name",
        "type": "string"
        },
        {
        "internalType": "string",
        "name": "symbol",
        "type": "string"
        },
        {
        "internalType": "string",
        "name": "URI",
        "type": "string"
        }
    ],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "constructor"
    },
    {
    "anonymous": false,
    "inputs": [
        {
        "indexed": true,
        "internalType": "address",
        "name": "owner",
        "type": "address"
        },
        {
        "indexed": true,
        "internalType": "address",
        "name": "approved",
        "type": "address"
        },
        {
        "indexed": true,
        "internalType": "uint256",
        "name": "tokenId",
        "type": "uint256"
        }
    ],
    "name": "Approval",
    "type": "event"
    },
    {
    "anonymous": false,
    "inputs": [
        {
        "indexed": true,
        "internalType": "address",
        "name": "owner",
        "type": "address"
        },
        {
        "indexed": true,
        "internalType": "address",
        "name": "operator",
        "type": "address"
        },
        {
        "indexed": false,
        "internalType": "bool",
        "name": "approved",
        "type": "bool"
        }
    ],
    "name": "ApprovalForAll",
    "type": "event"
    },
    {
    "anonymous": false,
    "inputs": [
        {
        "indexed": true,
        "internalType": "address",
        "name": "caller",
        "type": "address"
        }
    ],
    "name": "Paused",
    "type": "event"
    },
    {
    "anonymous": false,
    "inputs": [
        {
        "indexed": true,
        "internalType": "address",
        "name": "from",
        "type": "address"
        },
        {
        "indexed": true,
        "internalType": "address",
        "name": "to",
        "type": "address"
        },
        {
        "indexed": true,
        "internalType": "uint256",
        "name": "tokenId",
        "type": "uint256"
        }
    ],
    "name": "Transfer",
    "type": "event"
    },
    {
    "anonymous": false,
    "inputs": [
        {
        "indexed": true,
        "internalType": "address",
        "name": "pastOwner",
        "type": "address"
        },
        {
        "indexed": true,
        "internalType": "address",
        "name": "newOwner",
        "type": "address"
        }
    ],
    "name": "TransferedOwnership",
    "type": "event"
    },
    {
    "anonymous": false,
    "inputs": [
        {
        "indexed": true,
        "internalType": "address",
        "name": "caller",
        "type": "address"
        }
    ],
    "name": "Unpaused",
    "type": "event"
    },
    {
    "constant": false,
    "inputs": [
        {
        "internalType": "bytes32",
        "name": "_myid",
        "type": "bytes32"
        },
        {
        "internalType": "string",
        "name": "_result",
        "type": "string"
        }
    ],
    "name": "__callback",
    "outputs": [],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
    },
    {
    "constant": false,
    "inputs": [
        {
        "internalType": "bytes32",
        "name": "_myid",
        "type": "bytes32"
        },
        {
        "internalType": "string",
        "name": "_result",
        "type": "string"
        },
        {
        "internalType": "bytes",
        "name": "_proof",
        "type": "bytes"
        }
    ],
    "name": "__callback",
    "outputs": [],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
    },
    {
    "constant": false,
    "inputs": [
        {
        "internalType": "address",
        "name": "to",
        "type": "address"
        },
        {
        "internalType": "uint256",
        "name": "tokenId",
        "type": "uint256"
        }
    ],
    "name": "approve",
    "outputs": [],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
    },
    {
    "constant": true,
    "inputs": [
        {
        "internalType": "address",
        "name": "owner",
        "type": "address"
        }
    ],
    "name": "balanceOf",
    "outputs": [
        {
        "internalType": "uint256",
        "name": "",
        "type": "uint256"
        }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
    },
    {
    "constant": true,
    "inputs": [
        {
        "internalType": "uint256",
        "name": "tokenId",
        "type": "uint256"
        }
    ],
    "name": "getApproved",
    "outputs": [
        {
        "internalType": "address",
        "name": "",
        "type": "address"
        }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
    },
    {
    "constant": true,
    "inputs": [],
    "name": "getBaseTokenURI",
    "outputs": [
        {
        "internalType": "string",
        "name": "",
        "type": "string"
        }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
    },
    {
    "constant": true,
    "inputs": [],
    "name": "getOwner",
    "outputs": [
        {
        "internalType": "address",
        "name": "",
        "type": "address"
        }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
    },
    {
    "constant": true,
    "inputs": [
        {
        "internalType": "address",
        "name": "owner",
        "type": "address"
        },
        {
        "internalType": "address",
        "name": "operator",
        "type": "address"
        }
    ],
    "name": "isApprovedForAll",
    "outputs": [
        {
        "internalType": "bool",
        "name": "",
        "type": "bool"
        }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
    },
    {
    "constant": true,
    "inputs": [],
    "name": "name",
    "outputs": [
        {
        "internalType": "string",
        "name": "",
        "type": "string"
        }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
    },
    {
    "constant": true,
    "inputs": [
        {
        "internalType": "uint256",
        "name": "tokenId",
        "type": "uint256"
        }
    ],
    "name": "ownerOf",
    "outputs": [
        {
        "internalType": "address",
        "name": "",
        "type": "address"
        }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
    },
    {
    "constant": false,
    "inputs": [
        {
        "internalType": "address",
        "name": "from",
        "type": "address"
        },
        {
        "internalType": "address",
        "name": "to",
        "type": "address"
        },
        {
        "internalType": "uint256",
        "name": "tokenId",
        "type": "uint256"
        }
    ],
    "name": "safeTransferFrom",
    "outputs": [],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
    },
    {
    "constant": false,
    "inputs": [
        {
        "internalType": "address",
        "name": "from",
        "type": "address"
        },
        {
        "internalType": "address",
        "name": "to",
        "type": "address"
        },
        {
        "internalType": "uint256",
        "name": "tokenId",
        "type": "uint256"
        },
        {
        "internalType": "bytes",
        "name": "_data",
        "type": "bytes"
        }
    ],
    "name": "safeTransferFrom",
    "outputs": [],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
    },
    {
    "constant": false,
    "inputs": [
        {
        "internalType": "address",
        "name": "to",
        "type": "address"
        },
        {
        "internalType": "bool",
        "name": "approved",
        "type": "bool"
        }
    ],
    "name": "setApprovalForAll",
    "outputs": [],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
    },
    {
    "constant": false,
    "inputs": [
        {
        "internalType": "bool",
        "name": "status",
        "type": "bool"
        }
    ],
    "name": "setOperatingStatus",
    "outputs": [],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
    },
    {
    "constant": true,
    "inputs": [
        {
        "internalType": "bytes4",
        "name": "interfaceId",
        "type": "bytes4"
        }
    ],
    "name": "supportsInterface",
    "outputs": [
        {
        "internalType": "bool",
        "name": "",
        "type": "bool"
        }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
    },
    {
    "constant": true,
    "inputs": [],
    "name": "symbol",
    "outputs": [
        {
        "internalType": "string",
        "name": "",
        "type": "string"
        }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
    },
    {
    "constant": true,
    "inputs": [
        {
        "internalType": "uint256",
        "name": "index",
        "type": "uint256"
        }
    ],
    "name": "tokenByIndex",
    "outputs": [
        {
        "internalType": "uint256",
        "name": "",
        "type": "uint256"
        }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
    },
    {
    "constant": true,
    "inputs": [
        {
        "internalType": "address",
        "name": "owner",
        "type": "address"
        },
        {
        "internalType": "uint256",
        "name": "index",
        "type": "uint256"
        }
    ],
    "name": "tokenOfOwnerByIndex",
    "outputs": [
        {
        "internalType": "uint256",
        "name": "",
        "type": "uint256"
        }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
    },
    {
    "constant": true,
    "inputs": [
        {
        "internalType": "uint256",
        "name": "tokenId",
        "type": "uint256"
        }
    ],
    "name": "tokenURI",
    "outputs": [
        {
        "internalType": "string",
        "name": "",
        "type": "string"
        }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
    },
    {
    "constant": true,
    "inputs": [],
    "name": "totalSupply",
    "outputs": [
        {
        "internalType": "uint256",
        "name": "",
        "type": "uint256"
        }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
    },
    {
    "constant": false,
    "inputs": [
        {
        "internalType": "address",
        "name": "from",
        "type": "address"
        },
        {
        "internalType": "address",
        "name": "to",
        "type": "address"
        },
        {
        "internalType": "uint256",
        "name": "tokenId",
        "type": "uint256"
        }
    ],
    "name": "transferFrom",
    "outputs": [],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
    },
    {
    "constant": false,
    "inputs": [
        {
        "internalType": "address",
        "name": "newOwner",
        "type": "address"
        }
    ],
    "name": "transferOwnership",
    "outputs": [],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
    },
    {
    "constant": false,
    "inputs": [
        {
        "internalType": "address",
        "name": "to",
        "type": "address"
        },
        {
        "internalType": "uint256",
        "name": "tokenId",
        "type": "uint256"
        }
    ],
    "name": "mint",
    "outputs": [
        {
        "internalType": "bool",
        "name": "",
        "type": "bool"
        }
    ],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
    }
]

RhaXiel/BlockchainND-P5