The capstone will build upon the knowledge gained in the course in order to build a decentralized housing product.
node v14.17.3
npm v6.14.13
truffle v5.4.8
npm install
In the command prompt terminal run:
ganache-cli
In a separate command prompt terminal run:
cd eth-contracts
truffle.cmd test
All 19 tests should pass:
transaction hash: 0xa165b02a0d804342c265b5a9acf686b30b13053fdd68ff69bbddfd54601fbaee
contract address: 0xDe3946a6db6F6aa77BFF34baCa18618724215961
account: 0x6C9D9620f3723E814B96f91d1A16B5348a103F75
contract abi: [ { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "string", "name": "s", "type": "string" } ], "name": "Verified", "type": "event" }, { "constant": false, "inputs": [ { "internalType": "uint256[2]", "name": "a", "type": "uint256[2]" }, { "internalType": "uint256[2]", "name": "a_p", "type": "uint256[2]" }, { "internalType": "uint256[2][2]", "name": "b", "type": "uint256[2][2]" }, { "internalType": "uint256[2]", "name": "b_p", "type": "uint256[2]" }, { "internalType": "uint256[2]", "name": "c", "type": "uint256[2]" }, { "internalType": "uint256[2]", "name": "c_p", "type": "uint256[2]" }, { "internalType": "uint256[2]", "name": "h", "type": "uint256[2]" }, { "internalType": "uint256[2]", "name": "k", "type": "uint256[2]" }, { "internalType": "uint256[2]", "name": "input", "type": "uint256[2]" } ], "name": "verifyTx", "outputs": [ { "internalType": "bool", "name": "r", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" } ]
transaction hash: 0xb1b5da406805d48051a3f36a478f4f8e2c3b4c9301c04e604e7dd032b413ea98
contract address: 0xA1d5cC54146F97Bf1817A958c2fA0eD49682B6EC
account: 0x6C9D9620f3723E814B96f91d1A16B5348a103F75
contract abi: [ { "inputs": [ { "internalType": "address", "name": "veriContract", "type": "address" }, { "internalType": "string", "name": "name", "type": "string" }, { "internalType": "string", "name": "symbol", "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": "newOwner", "type": "address" } ], "name": "OwnerTransferred", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "account", "type": "address" } ], "name": "Paused", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "uint256", "name": "solIndex", "type": "uint256" }, { "indexed": true, "internalType": "address", "name": "solAddress", "type": "address" } ], "name": "SolutionAdded", "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": "account", "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": "getName", "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": [], "name": "getSymbol", "outputs": [ { "internalType": "string", "name": "", "type": "string" } ], "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": 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" }, { "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": [], "name": "setPause", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [], "name": "setUnpause", "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": [ { "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": "uint256[2]", "name": "a", "type": "uint256[2]" }, { "internalType": "uint256[2]", "name": "a_p", "type": "uint256[2]" }, { "internalType": "uint256[2][2]", "name": "b", "type": "uint256[2][2]" }, { "internalType": "uint256[2]", "name": "b_p", "type": "uint256[2]" }, { "internalType": "uint256[2]", "name": "c", "type": "uint256[2]" }, { "internalType": "uint256[2]", "name": "c_p", "type": "uint256[2]" }, { "internalType": "uint256[2]", "name": "h", "type": "uint256[2]" }, { "internalType": "uint256[2]", "name": "k", "type": "uint256[2]" }, { "internalType": "uint256[2]", "name": "input", "type": "uint256[2]" } ], "name": "addSolution", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "uint256", "name": "a", "type": "uint256" }, { "internalType": "uint256", "name": "b", "type": "uint256" }, { "internalType": "address", "name": "to", "type": "address" } ], "name": "mintNFT", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" } ]
OpenSea Storefront URL: https://testnets.opensea.io/collection/unidentified-contract-ub1keslvzr
Transactions Hashes:
0x7d22e8fe04b4c7cddc2a7d19f57ae88b3c494e65beda051e9b802cf0204a6a3e
0xd326c044fb895a6cba29169eeeb14cfe0ff911325b4ee1fbf9286ae5019b0ed8
0xafcbc14ab8b43ecd92c4f8030aff2fb2625667dabcfe6d2f3f63443aa66c5430
0x2c61eb81f3a2c5ccdd4ea524ea96c929b62efe1f030bc662baba689d25f6fe9a
0x2f83e36d8dd11d2db8b4b4d9f52b83cf8df5a01f4320f5f3665a5c06e33a02f4
ZoKrates was used to generate proofs for mining Real Estate Tokens, as depicted in the following screenshots:
Running Docker and setting up Zokrates:
Generating proof and exporting:
