Created using remix-ide: Realtime Ethereum Contract Compiler and Runtime. Load this file by pasting this gists URL or ID at https://remix.ethereum.org/#version=soljson-v0.5.17+commit.d19bba13.js&optimize=false&runs=200&gist=

README.txt

REMIX EXAMPLE PROJECT

Remix example project is present when Remix loads very first time or there are no files existing in the File Explorer. 
It contains 3 directories:

1. 'contracts': Holds three contracts with different complexity level, denoted with number prefix in file name.
2. 'scripts': Holds two scripts to deploy a contract. It is explained below.
3. 'tests': Contains one test file for 'Ballot' contract with unit tests in Solidity.

SCRIPTS

The 'scripts' folder contains example async/await scripts for deploying the 'Storage' contract.
For the deployment of any other contract, 'contractName' and 'constructorArgs' should be updated (along with other code if required). 
Scripts have full access to the web3.js and ethers.js libraries.

To run a script, right click on file name in the file explorer and click 'Run'. Remember, Solidity file must already be compiled.

Output from script will appear in remix terminal.

contracts...1_Storage.sol

// SPDX-License-Identifier: GPL-3.0

pragma solidity >=0.7.0 <0.9.0;

/**
 * @title Storage
 * @dev Store & retrieve value in a variable
 */
contract Storage {

    uint256 number;

    /**
     * @dev Store value in variable
     * @param num value to store
     */
    function store(uint256 num) public {
        number = num;
    }

    /**
     * @dev Return value 
     * @return value of 'number'
     */
    function retrieve() public view returns (uint256){
        return number;
    }
}

contracts...2_Owner.sol

// SPDX-License-Identifier: GPL-3.0

pragma solidity >=0.7.0 <0.9.0;

/**
 * @title Owner
 * @dev Set & change owner
 */
contract Owner {

    address private owner;
    
    // event for EVM logging
    event OwnerSet(address indexed oldOwner, address indexed newOwner);
    
    // modifier to check if caller is owner
    modifier isOwner() {
        // If the first argument of 'require' evaluates to 'false', execution terminates and all
        // changes to the state and to Ether balances are reverted.
        // This used to consume all gas in old EVM versions, but not anymore.
        // It is often a good idea to use 'require' to check if functions are called correctly.
        // As a second argument, you can also provide an explanation about what went wrong.
        require(msg.sender == owner, "Caller is not owner");
        _;
    }
    
    /**
     * @dev Set contract deployer as owner
     */
    constructor() {
        owner = msg.sender; // 'msg.sender' is sender of current call, contract deployer for a constructor
        emit OwnerSet(address(0), owner);
    }

    /**
     * @dev Change owner
     * @param newOwner address of new owner
     */
    function changeOwner(address newOwner) public isOwner {
        emit OwnerSet(owner, newOwner);
        owner = newOwner;
    }

    /**
     * @dev Return owner address 
     * @return address of owner
     */
    function getOwner() external view returns (address) {
        return owner;
    }
}

contracts...3_Ballot.sol

// SPDX-License-Identifier: GPL-3.0

pragma solidity >=0.7.0 <0.9.0;

/** 
 * @title Ballot
 * @dev Implements voting process along with vote delegation
 */
contract Ballot {
   
    struct Voter {
        uint weight; // weight is accumulated by delegation
        bool voted;  // if true, that person already voted
        address delegate; // person delegated to
        uint vote;   // index of the voted proposal
    }

    struct Proposal {
        // If you can limit the length to a certain number of bytes, 
        // always use one of bytes1 to bytes32 because they are much cheaper
        bytes32 name;   // short name (up to 32 bytes)
        uint voteCount; // number of accumulated votes
    }

    address public chairperson;

    mapping(address => Voter) public voters;

    Proposal[] public proposals;

    /** 
     * @dev Create a new ballot to choose one of 'proposalNames'.
     * @param proposalNames names of proposals
     */
    constructor(bytes32[] memory proposalNames) {
        chairperson = msg.sender;
        voters[chairperson].weight = 1;

        for (uint i = 0; i < proposalNames.length; i++) {
            // 'Proposal({...})' creates a temporary
            // Proposal object and 'proposals.push(...)'
            // appends it to the end of 'proposals'.
            proposals.push(Proposal({
                name: proposalNames[i],
                voteCount: 0
            }));
        }
    }
    
    /** 
     * @dev Give 'voter' the right to vote on this ballot. May only be called by 'chairperson'.
     * @param voter address of voter
     */
    function giveRightToVote(address voter) public {
        require(
            msg.sender == chairperson,
            "Only chairperson can give right to vote."
        );
        require(
            !voters[voter].voted,
            "The voter already voted."
        );
        require(voters[voter].weight == 0);
        voters[voter].weight = 1;
    }

    /**
     * @dev Delegate your vote to the voter 'to'.
     * @param to address to which vote is delegated
     */
    function delegate(address to) public {
        Voter storage sender = voters[msg.sender];
        require(!sender.voted, "You already voted.");
        require(to != msg.sender, "Self-delegation is disallowed.");

        while (voters[to].delegate != address(0)) {
            to = voters[to].delegate;

            // We found a loop in the delegation, not allowed.
            require(to != msg.sender, "Found loop in delegation.");
        }
        sender.voted = true;
        sender.delegate = to;
        Voter storage delegate_ = voters[to];
        if (delegate_.voted) {
            // If the delegate already voted,
            // directly add to the number of votes
            proposals[delegate_.vote].voteCount += sender.weight;
        } else {
            // If the delegate did not vote yet,
            // add to her weight.
            delegate_.weight += sender.weight;
        }
    }

    /**
     * @dev Give your vote (including votes delegated to you) to proposal 'proposals[proposal].name'.
     * @param proposal index of proposal in the proposals array
     */
    function vote(uint proposal) public {
        Voter storage sender = voters[msg.sender];
        require(sender.weight != 0, "Has no right to vote");
        require(!sender.voted, "Already voted.");
        sender.voted = true;
        sender.vote = proposal;

        // If 'proposal' is out of the range of the array,
        // this will throw automatically and revert all
        // changes.
        proposals[proposal].voteCount += sender.weight;
    }

    /** 
     * @dev Computes the winning proposal taking all previous votes into account.
     * @return winningProposal_ index of winning proposal in the proposals array
     */
    function winningProposal() public view
            returns (uint winningProposal_)
    {
        uint winningVoteCount = 0;
        for (uint p = 0; p < proposals.length; p++) {
            if (proposals[p].voteCount > winningVoteCount) {
                winningVoteCount = proposals[p].voteCount;
                winningProposal_ = p;
            }
        }
    }

    /** 
     * @dev Calls winningProposal() function to get the index of the winner contained in the proposals array and then
     * @return winnerName_ the name of the winner
     */
    function winnerName() public view
            returns (bytes32 winnerName_)
    {
        winnerName_ = proposals[winningProposal()].name;
    }
}

contracts...artifacts...MyContract.json

{
	"deploy": {
		"VM:-": {
			"linkReferences": {},
			"autoDeployLib": true
		},
		"main:1": {
			"linkReferences": {},
			"autoDeployLib": true
		},
		"ropsten:3": {
			"linkReferences": {},
			"autoDeployLib": true
		},
		"rinkeby:4": {
			"linkReferences": {},
			"autoDeployLib": true
		},
		"kovan:42": {
			"linkReferences": {},
			"autoDeployLib": true
		},
		"görli:5": {
			"linkReferences": {},
			"autoDeployLib": true
		},
		"Custom": {
			"linkReferences": {},
			"autoDeployLib": true
		}
	},
	"data": {
		"bytecode": {
			"linkReferences": {},
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			"sourceMap": "26:497:0:-;;;;8:9:-1;5:2;;;30:1;27;20:12;5:2;26:497:0;;;;;;;"
		},
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			"opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE CALLVALUE DUP1 ISZERO PUSH2 0x10 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x4 CALLDATASIZE LT PUSH2 0x7D JUMPI PUSH1 0x0 CALLDATALOAD PUSH1 0xE0 SHR DUP1 PUSH4 0x492BFA18 GT PUSH2 0x5B JUMPI DUP1 PUSH4 0x492BFA18 EQ PUSH2 0x108 JUMPI DUP1 PUSH4 0x82180568 EQ PUSH2 0x18B JUMPI DUP1 PUSH4 0xB36CBC5F EQ PUSH2 0x246 JUMPI DUP1 PUSH4 0xE30081A0 EQ PUSH2 0x274 JUMPI PUSH2 0x7D JUMP JUMPDEST DUP1 PUSH4 0x6540F7E EQ PUSH2 0x82 JUMPI DUP1 PUSH4 0x15502612 EQ PUSH2 0xA0 JUMPI DUP1 PUSH4 0x26B85EE1 EQ PUSH2 0xBE JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x8A PUSH2 0x2B8 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0xA8 PUSH2 0x2BE JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0xC6 PUSH2 0x2FF JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0x110 PUSH2 0x325 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 DUP1 PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE DUP4 DUP2 DUP2 MLOAD DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x150 JUMPI DUP1 DUP3 ADD MLOAD DUP2 DUP5 ADD MSTORE PUSH1 0x20 DUP2 ADD SWAP1 POP PUSH2 0x135 JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x17D JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH2 0x244 PUSH1 0x4 DUP1 CALLDATASIZE SUB PUSH1 0x20 DUP2 LT ISZERO PUSH2 0x1A1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 ADD SWAP1 DUP1 DUP1 CALLDATALOAD SWAP1 PUSH1 0x20 ADD SWAP1 PUSH5 0x100000000 DUP2 GT ISZERO PUSH2 0x1BE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 ADD DUP4 PUSH1 0x20 DUP3 ADD GT ISZERO PUSH2 0x1D0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP1 CALLDATALOAD SWAP1 PUSH1 0x20 ADD SWAP2 DUP5 PUSH1 0x1 DUP4 MUL DUP5 ADD GT PUSH5 0x100000000 DUP4 GT OR ISZERO PUSH2 0x1F2 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST SWAP2 SWAP1 DUP1 DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP4 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP4 DUP1 DUP3 DUP5 CALLDATACOPY PUSH1 0x0 DUP2 DUP5 ADD MSTORE PUSH1 0x1F NOT PUSH1 0x1F DUP3 ADD AND SWAP1 POP DUP1 DUP4 ADD SWAP3 POP POP POP POP POP POP POP SWAP2 SWAP3 SWAP2 SWAP3 SWAP1 POP POP POP PUSH2 0x3C3 JUMP JUMPDEST STOP JUMPDEST PUSH2 0x272 PUSH1 0x4 DUP1 CALLDATASIZE SUB PUSH1 0x20 DUP2 LT ISZERO PUSH2 0x25C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 ADD SWAP1 DUP1 DUP1 CALLDATALOAD SWAP1 PUSH1 0x20 ADD SWAP1 SWAP3 SWAP2 SWAP1 POP POP POP PUSH2 0x3DD JUMP JUMPDEST STOP JUMPDEST PUSH2 0x2B6 PUSH1 0x4 DUP1 CALLDATASIZE SUB PUSH1 0x20 DUP2 LT ISZERO PUSH2 0x28A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 ADD SWAP1 DUP1 DUP1 CALLDATALOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 PUSH1 0x20 ADD SWAP1 SWAP3 SWAP2 SWAP1 POP POP POP PUSH2 0x3E7 JUMP JUMPDEST STOP JUMPDEST PUSH1 0x0 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x1 PUSH1 0x0 SWAP1 SLOAD SWAP1 PUSH2 0x100 EXP SWAP1 DIV PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND BALANCE SWAP1 POP SWAP1 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x0 SWAP1 SLOAD SWAP1 PUSH2 0x100 EXP SWAP1 DIV PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x2 DUP1 SLOAD PUSH1 0x1 DUP2 PUSH1 0x1 AND ISZERO PUSH2 0x100 MUL SUB AND PUSH1 0x2 SWAP1 DIV DUP1 PUSH1 0x1F ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD PUSH1 0x1 DUP2 PUSH1 0x1 AND ISZERO PUSH2 0x100 MUL SUB AND PUSH1 0x2 SWAP1 DIV DUP1 ISZERO PUSH2 0x3BB JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x390 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x3BB JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x39E JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST DUP1 PUSH1 0x2 SWAP1 DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 PUSH2 0x3D9 SWAP3 SWAP2 SWAP1 PUSH2 0x42B JUMP JUMPDEST POP POP JUMP JUMPDEST DUP1 PUSH1 0x0 DUP2 SWAP1 SSTORE POP POP JUMP JUMPDEST DUP1 PUSH1 0x1 PUSH1 0x0 PUSH2 0x100 EXP DUP2 SLOAD DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF MUL NOT AND SWAP1 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND MUL OR SWAP1 SSTORE POP POP JUMP JUMPDEST DUP3 DUP1 SLOAD PUSH1 0x1 DUP2 PUSH1 0x1 AND ISZERO PUSH2 0x100 MUL SUB AND PUSH1 0x2 SWAP1 DIV SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 PUSH1 0x1F ADD PUSH1 0x20 SWAP1 DIV DUP2 ADD SWAP3 DUP3 PUSH1 0x1F LT PUSH2 0x46C JUMPI DUP1 MLOAD PUSH1 0xFF NOT AND DUP4 DUP1 ADD OR DUP6 SSTORE PUSH2 0x49A JUMP JUMPDEST DUP3 DUP1 ADD PUSH1 0x1 ADD DUP6 SSTORE DUP3 ISZERO PUSH2 0x49A JUMPI SWAP2 DUP3 ADD JUMPDEST DUP3 DUP2 GT ISZERO PUSH2 0x499 JUMPI DUP3 MLOAD DUP3 SSTORE SWAP2 PUSH1 0x20 ADD SWAP2 SWAP1 PUSH1 0x1 ADD SWAP1 PUSH2 0x47E JUMP JUMPDEST JUMPDEST POP SWAP1 POP PUSH2 0x4A7 SWAP2 SWAP1 PUSH2 0x4AB JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH2 0x4CD SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH2 0x4C9 JUMPI PUSH1 0x0 DUP2 PUSH1 0x0 SWAP1 SSTORE POP PUSH1 0x1 ADD PUSH2 0x4B1 JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST SWAP1 JUMP INVALID LOG2 PUSH6 0x627A7A723158 KECCAK256 PUSH13 0x243FE41E52D7756A5652764772 0xEB BALANCE PUSH7 0xDAD35C8B8B402D 0x4D 0xEC SLOAD 0xF8 SWAP3 0xE9 0xFC PUSH2 0x6473 PUSH16 0x6C634300051100320000000000000000 ",
			"sourceMap": "26:497:0:-;;;;8:9:-1;5:2;;;30:1;27;20:12;5:2;26:497:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;52:21;;;:::i;:::-;;;;;;;;;;;;;;;;;;;295:98;;;:::i;:::-;;;;;;;;;;;;;;;;;;;167:24;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;403:22;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;23:1:-1;8:100;33:3;30:1;27:10;8:100;;;99:1;94:3;90:11;84:18;80:1;75:3;71:11;64:39;52:2;49:1;45:10;40:15;;8:100;;;12:14;403:22:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;431:90;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;431:90:0;;;;;;;;;;21:11:-1;8;5:28;2:2;;;46:1;43;36:12;2:2;431:90:0;;35:9:-1;28:4;12:14;8:25;5:40;2:2;;;58:1;55;48:12;2:2;431:90:0;;;;;;100:9:-1;95:1;81:12;77:20;67:8;63:35;60:50;39:11;25:12;22:29;11:107;8:2;;;131:1;128;121:12;8:2;431:90:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;30:3:-1;22:6;14;1:33;99:1;93:3;85:6;81:16;74:27;137:4;133:9;126:4;121:3;117:14;113:30;106:37;;169:3;161:6;157:16;147:26;;431:90:0;;;;;;;;;;;;;;;:::i;:::-;;84:73;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;84:73:0;;;;;;;;;;;;;;;;;:::i;:::-;;202:83;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;202:83:0;;;;;;;;;;;;;;;;;;;:::i;:::-;;52:21;;;;:::o;295:98::-;346:4;369:9;;;;;;;;;;;:17;;;362:24;;295:98;:::o;167:24::-;;;;;;;;;;;;;:::o;403:22::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::o;431:90::-;505:9;494:8;:20;;;;;;;;;;;;:::i;:::-;;431:90;:::o;84:73::-;143:7;134:6;:16;;;;84:73;:::o;202:83::-;269:8;257:9;;:20;;;;;;;;;;;;;;;;;;202:83;:::o;26:497::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;:::o;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;:::o"
		},
		"gasEstimates": {
			"creation": {
				"codeDepositCost": "257000",
				"executionCost": "300",
				"totalCost": "257300"
			},
			"external": {
				"getBalanceOfAddress()": "1778",
				"myAddress()": "1098",
				"myString()": "infinite",
				"myUint()": "1006",
				"setAddress(address)": "21167",
				"setMyString(string)": "infinite",
				"setMyUnit(uint256)": "20286"
			}
		},
		"methodIdentifiers": {
			"getBalanceOfAddress()": "15502612",
			"myAddress()": "26b85ee1",
			"myString()": "492bfa18",
			"myUint()": "06540f7e",
			"setAddress(address)": "e30081a0",
			"setMyString(string)": "82180568",
			"setMyUnit(uint256)": "b36cbc5f"
		}
	},
	"abi": [
		{
			"constant": true,
			"inputs": [],
			"name": "getBalanceOfAddress",
			"outputs": [
				{
					"internalType": "uint256",
					"name": "",
					"type": "uint256"
				}
			],
			"payable": false,
			"stateMutability": "view",
			"type": "function"
		},
		{
			"constant": true,
			"inputs": [],
			"name": "myAddress",
			"outputs": [
				{
					"internalType": "address",
					"name": "",
					"type": "address"
				}
			],
			"payable": false,
			"stateMutability": "view",
			"type": "function"
		},
		{
			"constant": true,
			"inputs": [],
			"name": "myString",
			"outputs": [
				{
					"internalType": "string",
					"name": "",
					"type": "string"
				}
			],
			"payable": false,
			"stateMutability": "view",
			"type": "function"
		},
		{
			"constant": true,
			"inputs": [],
			"name": "myUint",
			"outputs": [
				{
					"internalType": "uint256",
					"name": "",
					"type": "uint256"
				}
			],
			"payable": false,
			"stateMutability": "view",
			"type": "function"
		},
		{
			"constant": false,
			"inputs": [
				{
					"internalType": "address",
					"name": "_address",
					"type": "address"
				}
			],
			"name": "setAddress",
			"outputs": [],
			"payable": false,
			"stateMutability": "nonpayable",
			"type": "function"
		},
		{
			"constant": false,
			"inputs": [
				{
					"internalType": "string",
					"name": "_myString",
					"type": "string"
				}
			],
			"name": "setMyString",
			"outputs": [],
			"payable": false,
			"stateMutability": "nonpayable",
			"type": "function"
		},
		{
			"constant": false,
			"inputs": [
				{
					"internalType": "uint256",
					"name": "_myUint",
					"type": "uint256"
				}
			],
			"name": "setMyUnit",
			"outputs": [],
			"payable": false,
			"stateMutability": "nonpayable",
			"type": "function"
		}
	]
}

contracts...artifacts...MyContract_metadata.json

{
	"compiler": {
		"version": "0.5.17+commit.d19bba13"
	},
	"language": "Solidity",
	"output": {
		"abi": [
			{
				"constant": true,
				"inputs": [],
				"name": "getBalanceOfAddress",
				"outputs": [
					{
						"internalType": "uint256",
						"name": "",
						"type": "uint256"
					}
				],
				"payable": false,
				"stateMutability": "view",
				"type": "function"
			},
			{
				"constant": true,
				"inputs": [],
				"name": "myAddress",
				"outputs": [
					{
						"internalType": "address",
						"name": "",
						"type": "address"
					}
				],
				"payable": false,
				"stateMutability": "view",
				"type": "function"
			},
			{
				"constant": true,
				"inputs": [],
				"name": "myString",
				"outputs": [
					{
						"internalType": "string",
						"name": "",
						"type": "string"
					}
				],
				"payable": false,
				"stateMutability": "view",
				"type": "function"
			},
			{
				"constant": true,
				"inputs": [],
				"name": "myUint",
				"outputs": [
					{
						"internalType": "uint256",
						"name": "",
						"type": "uint256"
					}
				],
				"payable": false,
				"stateMutability": "view",
				"type": "function"
			},
			{
				"constant": false,
				"inputs": [
					{
						"internalType": "address",
						"name": "_address",
						"type": "address"
					}
				],
				"name": "setAddress",
				"outputs": [],
				"payable": false,
				"stateMutability": "nonpayable",
				"type": "function"
			},
			{
				"constant": false,
				"inputs": [
					{
						"internalType": "string",
						"name": "_myString",
						"type": "string"
					}
				],
				"name": "setMyString",
				"outputs": [],
				"payable": false,
				"stateMutability": "nonpayable",
				"type": "function"
			},
			{
				"constant": false,
				"inputs": [
					{
						"internalType": "uint256",
						"name": "_myUint",
						"type": "uint256"
					}
				],
				"name": "setMyUnit",
				"outputs": [],
				"payable": false,
				"stateMutability": "nonpayable",
				"type": "function"
			}
		],
		"devdoc": {
			"methods": {}
		},
		"userdoc": {
			"methods": {}
		}
	},
	"settings": {
		"compilationTarget": {
			"contracts/MyContract.sol": "MyContract"
		},
		"evmVersion": "istanbul",
		"libraries": {},
		"optimizer": {
			"enabled": false,
			"runs": 200
		},
		"remappings": []
	},
	"sources": {
		"contracts/MyContract.sol": {
			"keccak256": "0x5b5c97bc8f19171f32314e4b810229c9b3a0012bf594ed46dfab1ff6d480cb27",
			"urls": [
				"bzz-raw://b0d501d2489aa253e26e8242fea32c8ff3fb434a4b34c0109686f5442df64824",
				"dweb:/ipfs/QmQ9Qeg8vvbmRXWwpPeZNFrvJXwuicLWg22CAUpgxNfYR8"
			]
		}
	},
	"version": 1
}

contracts...MyContract.sol

pragma solidity ^0.5.11;

contract MyContract {
    uint256 public myUint;
    
    function setMyUnit(uint _myUint) public {
        myUint = _myUint;
    }
    
    address public myAddress;
    
    function setAddress(address _address) public {
        myAddress = _address; 
    }
    
    function getBalanceOfAddress() public view returns(uint) {
        return myAddress.balance;
    }
    
    string public myString;
    function setMyString(string memory _myString) public {
        myString = _myString;
    }
}

scripts...deploy_ethers.js

// Right click on the script name and hit "Run" to execute
(async () => {
    try {
        console.log('Running deployWithEthers script...')
    
        const contractName = 'Storage' // Change this for other contract
        const constructorArgs = []    // Put constructor args (if any) here for your contract

        // Note that the script needs the ABI which is generated from the compilation artifact.
        // Make sure contract is compiled and artifacts are generated
        const artifactsPath = `browser/contracts/artifacts/${contractName}.json` // Change this for different path
    
        const metadata = JSON.parse(await remix.call('fileManager', 'getFile', artifactsPath))
        // 'web3Provider' is a remix global variable object
        const signer = (new ethers.providers.Web3Provider(web3Provider)).getSigner()
    
        let factory = new ethers.ContractFactory(metadata.abi, metadata.data.bytecode.object, signer);
    
        let contract = await factory.deploy(...constructorArgs);
    
        console.log('Contract Address: ', contract.address);
    
        // The contract is NOT deployed yet; we must wait until it is mined
        await contract.deployed()
        console.log('Deployment successful.')
    } catch (e) {
        console.log(e.message)
    }
})()

scripts...deploy_web3.js

// Right click on the script name and hit "Run" to execute
(async () => {
    try {
        console.log('Running deployWithWeb3 script...')
        
        const contractName = 'Storage' // Change this for other contract
        const constructorArgs = []    // Put constructor args (if any) here for your contract
    
        // Note that the script needs the ABI which is generated from the compilation artifact.
        // Make sure contract is compiled and artifacts are generated
        const artifactsPath = `browser/contracts/artifacts/${contractName}.json` // Change this for different path

        const metadata = JSON.parse(await remix.call('fileManager', 'getFile', artifactsPath))
        const accounts = await web3.eth.getAccounts()
    
        let contract = new web3.eth.Contract(metadata.abi)
    
        contract = contract.deploy({
            data: metadata.data.bytecode.object,
            arguments: constructorArgs
        })
    
        const newContractInstance = await contract.send({
            from: accounts[0],
            gas: 1500000,
            gasPrice: '30000000000'
        })
        console.log('Contract deployed at address: ', newContractInstance.options.address)
    } catch (e) {
        console.log(e.message)
    }
  })()

tests...4_Ballot_test.sol

// SPDX-License-Identifier: GPL-3.0

pragma solidity >=0.7.0 <0.9.0;
import "remix_tests.sol"; // this import is automatically injected by Remix.
import "../contracts/3_Ballot.sol";

contract BallotTest {
   
    bytes32[] proposalNames;
   
    Ballot ballotToTest;
    function beforeAll () public {
        proposalNames.push(bytes32("candidate1"));
        ballotToTest = new Ballot(proposalNames);
    }
    
    function checkWinningProposal () public {
        ballotToTest.vote(0);
        Assert.equal(ballotToTest.winningProposal(), uint(0), "proposal at index 0 should be the winning proposal");
        Assert.equal(ballotToTest.winnerName(), bytes32("candidate1"), "candidate1 should be the winner name");
    }
    
    function checkWinninProposalWithReturnValue () public view returns (bool) {
        return ballotToTest.winningProposal() == 0;
    }
}