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todofeed/backend-todofeed/build/contracts/Migrations.json Normal file
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todofeed/backend-todofeed/build/contracts/TodoFeed.json Normal file
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todofeed/backend-todofeed/contracts/Migrations.sol Normal file
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pragma solidity >=0.4.21 <0.7.0;
contract Migrations {
address public owner;
uint public last_completed_migration;
constructor() public {
owner = msg.sender;
}
modifier restricted() {
if (msg.sender == owner) _;
}
function setCompleted(uint completed) public restricted {
last_completed_migration = completed;
}
}

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todofeed/backend-todofeed/contracts/TodoFeed.sol Normal file
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pragma solidity 0.4.25;
contract TodoFeed {
event TodoCompleted (uint256 indexed todoId, address owner, string title, bytes photo, uint256 timestamp);
event TodoVerified (uint256 indexed todoId, address verifier);
TodoData[] public todoList;
mapping(uint256 => TodoData) public todoMap;
struct TodoData {
uint256 todoId; // Unique token id
address owner;
string title;
bytes photo; // Image source encoded in uint 8 array format
uint256 timestamp; // Uploaded time
bool isVerified; // check if is verified, default false.
address verifier; // verifier address
}
function writeTodo(string title, bytes photo) public {
uint256 todoId = todoList.length + 1;
TodoData memory newData = TodoData({
todoId : todoId,
owner : msg.sender,
title : title,
photo : photo,
timestamp : now,
isVerified: false,
verifier: address(0)
});
todoList.push(newData);
todoMap[todoId] = newData;
emit TodoCompleted(todoId, msg.sender, title, photo, now);
}
function verifyTodo(uint256 todoId) {
todoMap[todoId].isVerified = true;
todoMap[todoId].verifier = msg.sender;
emit TodoVerified(todoId, msg.sender);
}
function getTotalTodoCount () public view returns (uint) {
return todoList.length;
}
function getTodo (uint todoId) public view
returns(uint256, address, string, bytes, uint256, bool, address) {
require(todoMap[todoId].todoId != 0, "Todo does not exist");
return (
todoMap[todoId].todoId,
todoMap[todoId].owner,
todoMap[todoId].title,
todoMap[todoId].photo,
todoMap[todoId].timestamp,
todoMap[todoId].isVerified,
todoMap[todoId].verifier);
}
}

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[{"constant":true,"inputs":[{"name":"","type":"uint256"}],"name":"todoList","outputs":[{"name":"todoId","type":"uint256"},{"name":"owner","type":"address"},{"name":"title","type":"string"},{"name":"photo","type":"bytes"},{"name":"timestamp","type":"uint256"},{"name":"isVerified","type":"bool"},{"name":"verifier","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"","type":"uint256"}],"name":"todoMap","outputs":[{"name":"todoId","type":"uint256"},{"name":"owner","type":"address"},{"name":"title","type":"string"},{"name":"photo","type":"bytes"},{"name":"timestamp","type":"uint256"},{"name":"isVerified","type":"bool"},{"name":"verifier","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"anonymous":false,"inputs":[{"indexed":true,"name":"todoId","type":"uint256"},{"indexed":false,"name":"owner","type":"address"},{"indexed":false,"name":"title","type":"string"},{"indexed":false,"name":"photo","type":"bytes"},{"indexed":false,"name":"timestamp","type":"uint256"}],"name":"TodoCompleted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"todoId","type":"uint256"},{"indexed":false,"name":"verifier","type":"address"}],"name":"TodoVerified","type":"event"},{"constant":false,"inputs":[{"name":"title","type":"string"},{"name":"photo","type":"bytes"}],"name":"writeTodo","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"todoId","type":"uint256"}],"name":"verifyTodo","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"getTotalTodoCount","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"todoId","type":"uint256"}],"name":"getTodo","outputs":[{"name":"","type":"uint256"},{"name":"","type":"address"},{"name":"","type":"string"},{"name":"","type":"bytes"},{"name":"","type":"uint256"},{"name":"","type":"bool"},{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"}]

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todofeed/backend-todofeed/deployedAddress Normal file
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0xa47898be53fba0fecdb9b4e1dadea5bf0f3c77f7

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todofeed/backend-todofeed/migrations/1_initial_migration.js Normal file
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const Migrations = artifacts.require("Migrations");
module.exports = function(deployer) {
deployer.deploy(Migrations);
};

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todofeed/backend-todofeed/migrations/2_deploy_todofeed.js Normal file
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const TodoFeed = artifacts.require('./TodoFeed.sol')
const fs = require('fs')
module.exports = function (deployer) {
deployer.deploy(TodoFeed)
.then(() => {
if (TodoFeed._json) {
fs.writeFile(
'deployedABI',
JSON.stringify(TodoFeed._json.abi, 2),
(err) => {
if (err) throw err
console.log(`The abi of ${TodoFeed._json.contractName} is recorded on deployedABI file`)
})
}
fs.writeFile(
'deployedAddress',
TodoFeed.address,
(err) => {
if (err) throw err
console.log(`The deployed contract address * ${TodoFeed.address} * is recorded on deployedAddress file`)
})
})
}

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todofeed/backend-todofeed/package-lock.json generated Normal file
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todofeed/backend-todofeed/truffle-config.js Normal file
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/**
* Use this file to configure your truffle project. It's seeded with some
* common settings for different networks and features like migrations,
* compilation and testing. Uncomment the ones you need or modify
* them to suit your project as necessary.
*
* More information about configuration can be found at:
*
* truffleframework.com/docs/advanced/configuration
*
* To deploy via Infura you'll need a wallet provider (like @truffle/hdwallet-provider)
* to sign your transactions before they're sent to a remote public node. Infura accounts
* are available for free at: infura.io/register.
*
* You'll also need a mnemonic - the twelve word phrase the wallet uses to generate
* public/private key pairs. If you're publishing your code to GitHub make sure you load this
* phrase from a file you've .gitignored so it doesn't accidentally become public.
*
*/
// const HDWalletProvider = require('@truffle/hdwallet-provider');
// const infuraKey = "fj4jll3k.....";
//
// const fs = require('fs');
// const mnemonic = fs.readFileSync(".secret").toString().trim();
const HDWalletProvider = require("truffle-hdwallet-provider-klaytn");
const NETWORK_ID = '1001'
const URL = 'https://api.baobab.klaytn.net:8651' // testnet
const PRIVATE_KEY = '0x64f34d1d035e8e329a8633764616d267b61ceb91dfd72dea594da53ae108eca8' //testnet
module.exports = {
/**
* Networks define how you connect to your ethereum client and let you set the
* defaults web3 uses to send transactions. If you don't specify one truffle
* will spin up a development blockchain for you on port 9545 when you
* run `develop` or `test`. You can ask a truffle command to use a specific
* network from the command line, e.g
*
* $ truffle test --network <network-name>
*/
networks: {
klaytn: {
provider: () => new HDWalletProvider(PRIVATE_KEY, URL),
network_id: NETWORK_ID,
gas: '8500000',
gasPrice: null,
},
// Useful for testing. The `development` name is special - truffle uses it by default
// if it's defined here and no other network is specified at the command line.
// You should run a client (like ganache-cli, geth or parity) in a separate terminal
// tab if you use this network and you must also set the `host`, `port` and `network_id`
// options below to some value.
//
// development: {
// host: "127.0.0.1", // Localhost (default: none)
// port: 8545, // Standard Ethereum port (default: none)
// network_id: "*", // Any network (default: none)
// },
// Another network with more advanced options...
// advanced: {
// port: 8777, // Custom port
// network_id: 1342, // Custom network
// gas: 8500000, // Gas sent with each transaction (default: ~6700000)
// gasPrice: 20000000000, // 20 gwei (in wei) (default: 100 gwei)
// from: <address>, // Account to send txs from (default: accounts[0])
// websockets: true // Enable EventEmitter interface for web3 (default: false)
// },
// Useful for deploying to a public network.
// NB: It's important to wrap the provider as a function.
// ropsten: {
// provider: () => new HDWalletProvider(mnemonic, `https://ropsten.infura.io/v3/YOUR-PROJECT-ID`),
// network_id: 3, // Ropsten's id
// gas: 5500000, // Ropsten has a lower block limit than mainnet
// confirmations: 2, // # of confs to wait between deployments. (default: 0)
// timeoutBlocks: 200, // # of blocks before a deployment times out (minimum/default: 50)
// skipDryRun: true // Skip dry run before migrations? (default: false for public nets )
// },
// Useful for private networks
// private: {
// provider: () => new HDWalletProvider(mnemonic, `https://network.io`),
// network_id: 2111, // This network is yours, in the cloud.
// production: true // Treats this network as if it was a public net. (default: false)
// }
},
// Set default mocha options here, use special reporters etc.
mocha: {
// timeout: 100000
},
// Configure your compilers
compilers: {
solc: {
// version: "0.5.1", // Fetch exact version from solc-bin (default: truffle's version)
// docker: true, // Use "0.5.1" you've installed locally with docker (default: false)
// settings: { // See the solidity docs for advice about optimization and evmVersion
// optimizer: {
// enabled: false,
// runs: 200
// },
// evmVersion: "byzantium"
// }
}
}
}