mayorcoded

pragma solidity ^0.4.0;
contract Ballot {

    struct Voter {
        uint weight;
        bool voted;
        uint8 vote;
        address delegate;
    }
    struct Proposal {

mayorcoded

pragma solidity ^0.4.23;

contract OwnershipProof{
    
    //FileDetails structure
    struct FileDetails {
        uint256 timestamp;
        string owner;
    }
    

mayorcoded

pragma solidity ^0.4.23;

contract OwnershipProof{
    
    //FileDetails structure
    struct FileDetails {
        uint256 timestamp;
        string owner;
    }
    

mayorcoded

pragma solidity ^0.4.24;

contract FoodCart{
	/* set owner of contract */
	address owner;

	/* a variable to track the most recent sku of a food item */
	uint8 skuCount; 

	/* an enum to store food item state */

mayorcoded

var FoodCart = artifacts.require("./FoodCart.sol");

module.exports = function(deployer) {
  deployer.deploy(FoodCart);
};

mayorcoded

truffle(develop)> let addFoodItemToCart = (foodName, price) => {foodCart.addFoodItem(foodName, price).then((trxn) => { const details = trxn.logs[0].args; details.sku = details.sku.toNumber(); details.price = details.price.toNumber(); details.state = trxn.logs[0].event; console.log(details);});}

mayorcoded

truffle(develop)> addFoodItemToCart('Fried Rice', 10);
truffle(develop)> { name: 'Fried Rice',sku: 0, price: 10, state: 'ForSale', foodItemExist: true } //output

truffle(develop)> addFoodItemToCart('Chicken Pepper Soup', 10);
truffle(develop)> { name: 'Chicken Pepper Soup', sku: 1, price: 10, state: 'ForSale', foodItemExist: true } //output

truffle(develop)> addFoodItemToCart('Pepperoni Pizza', 50);
truffle(develop)> { name: 'Pepperoni Pizza', sku: 2, price: 50, state: 'ForSale', foodItemExist: true } //output

mayorcoded

let buyFoodItemFromCart = (itemSku, amount) => {foodCart.buyFoodItem(itemSku, {from: buyerAddress, value: amount}).then((trxn) => { const details = trxn.logs[0].args; details.sku = details.sku.toNumber(); details.price = details.price.toNumber(); details.state = trxn.logs[0].event; console.log(details);});}

mayorcoded

truffle(develop)> buyFoodItemFromCart(0, 10);
truffle(develop)> { name: 'Fried Rice', sku: 0, price: 10, state: 'Sold', foodItemExist: false }

mayorcoded

truffle(develop)> buyFoodItemFromCart(6, 10);
truffle(develop)> UnhandledPromiseRejectionWarning: Error: VM Exception while processing transaction: revert ...