Lets build a crypto kitties like dapp clone with truffle

https://www.trufflesuite.com/boxes/pet-shop

https://www.trufflesuite.com/tutorials/pet-shop

Compile: truffle compile Migrate: truffle migrate Test contracts: truffle test Run dev server: npm run dev

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// Get startet mkdir PetShop cd Petshop truffle unbox pet-shop truffle develop truffle(devleop)> compile truffle(devleop)> migrate

//new bash dir:PetShop npm run dev // => runs react app in localhost //Local: http://localhost:3000

// check verisons installed truffle version //Truffle v5.1.39 (core: 5.1.39) Solidity v0.5.16 (solc-js) Node v10.16.3 Web3.js v1.2.1

// pragma version error, change to 0.5.16 according to error message

//Adoption.sol pragma solidity 0.5.16;

// Variable setup contract Adoption { address[16] public adopters;

// Function 1: Adopting a pet function adopt(uint petId) public returns (uint) { require(petId >= 0 && petId <= 15); adopters[petId] = msg.sender; return petId; }

// F2: Retrieving the adopters function getAdopters() public view returns (address[16] memory) { return adopters; }

}

//

// We are already running a private Ethereum blockchain, through Truffle Develop check Port in truffle-config.js 8545. Dont need Ganache.

// Migrate contract to the running blockchain truffle migrate

// Write the first test

// Testing the adopt() function function testUserCanAdoptPet() public { uint returnedId = adoption.adopt(expectedPetId);

Assert.equal(returnedId, expectedPetId, "Adoption of the expected pet should match what is returned."); }

// testing truffle test // this should deliver compiling *.sol files // and TestAdoption "3 passing"

// ...follow further truffle tutotial steps...