jeongwhanchoi · November 14, 2019 06:26
diff --git a/ballot.sol b/ballot.sol
 pragma solidity >=0.4.22 <0.6.0;
 contract Ballot {

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

    address chairperson;
    mapping(address => Voter) voters;
    Proposal[] proposals;

    /// Create a new ballot with $(_numProposals) different proposals.
    constructor(uint8 _numProposals) public {
        chairperson = msg.sender;
        voters[chairperson].weight = 1;
        proposals.length = _numProposals;
    }

    /// Give $(toVoter) the right to vote on this ballot.
    /// May only be called by $(chairperson).
    function giveRightToVote(address toVoter) public {
        if (msg.sender != chairperson || voters[toVoter].voted) return;
        voters[toVoter].weight = 1;
    }

    /// Delegate your vote to the voter $(to).
    function delegate(address to) public {
        Voter storage sender = voters[msg.sender]; // assigns reference
        if (sender.voted) return;
        while (voters[to].delegate != address(0) && voters[to].delegate != msg.sender)
            to = voters[to].delegate;
        if (to == msg.sender) return;
        sender.voted = true;
        sender.delegate = to;
        Voter storage delegateTo = voters[to];
        if (delegateTo.voted)
            proposals[delegateTo.vote].voteCount += sender.weight;
        else
            delegateTo.weight += sender.weight;
    }

    /// Give a single vote to proposal $(toProposal).
    function vote(uint8 toProposal) public {
        Voter storage sender = voters[msg.sender];
        if (sender.voted || toProposal >= proposals.length) return;
        sender.voted = true;
        sender.vote = toProposal;
        proposals[toProposal].voteCount += sender.weight;
    }

    function winningProposal() public view returns (uint8 _winningProposal) {
        uint256 winningVoteCount = 0;
        for (uint8 prop = 0; prop < proposals.length; prop++)
            if (proposals[prop].voteCount > winningVoteCount) {
                winningVoteCount = proposals[prop].voteCount;
                _winningProposal = prop;
            }
    }
 }
diff --git a/ballot_test.sol b/ballot_test.sol

 pragma solidity >=0.4.22 <0.6.0;
 import "remix_tests.sol"; // this import is automatically injected by Remix.
 import "./ballot.sol";

 contract test3 {
   
    Ballot ballotToTest;
    function beforeAll () public {
       ballotToTest = new Ballot(2);
    }
    
    function checkWinningProposal () public {
        ballotToTest.vote(1);
        Assert.equal(ballotToTest.winningProposal(), uint(1), "1 should be the winning proposal");
    }
    
    function checkWinninProposalWithReturnValue () public view returns (bool) {
        return ballotToTest.winningProposal() == 1;
    }
 }
diff --git a/Bank.sol b/Bank.sol
 pragma solidity 0.5.6;

 contract Bank{
    mapping(address => uint256) public balances;
    mapping(address => bool) public hasCreated;
    
    function addAcount() public{
        if(!hasCreated[msg.sender]){
            balances[msg.sender] = 1000;
            hasCreated[msg.sender] = true;
        }
    }
    
    function transfer(address to, uint256 amount) public {
        if(balances[msg.sender] > amount){
            balances[msg.sender] -= amount;
            balances[to] += amount;
        }
    }
 }
diff --git a/counter.sol b/counter.sol
 pragma solidity ^0.5.6;

 contract Counter{
    uint public counter = 0;
    
    function count() public{
        counter += 1;
    }
 }

diff --git a/ForcedSavings.sol b/ForcedSavings.sol
 pragma solidity ^0.5.6;

 //강제 저축 프로젝트
 contract ForcedSavings{
    address payable public myAddress;
    uint256 public locked_balance;
    uint256 public locked_timestamp;
    
    function deposit() public payable{
        myAddress = msg.sender;
        locked_balance = msg.value;
        locked_timestamp = block.timestamp;
    }
    
    function withdrawl() public {
        uint256 year = 60 * 60 * 24 * 365;
        if(block.timestamp > locked_timestamp + year){
            myAddress.transfer(locked_balance);
        }
    }
 }
diff --git a/Fruit.sol b/Fruit.sol
 pragma solidity ^0.5.6;

 contract Fruit {
    string[] public fruits;
    
    function addFruit(string memory fruit) public{
        fruits.push(fruit);
    }
    
    function getFruit(uint i) public view returns (string memory){
        return fruits[i];
    } 
 }
	pragma solidity >=0.4.22 <0.6.0;
	contract Ballot {

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

	address chairperson;
	mapping(address => Voter) voters;
	Proposal[] proposals;

	/// Create a new ballot with $(_numProposals) different proposals.
	constructor(uint8 _numProposals) public {
	chairperson = msg.sender;
	voters[chairperson].weight = 1;
	proposals.length = _numProposals;
	}

	/// Give $(toVoter) the right to vote on this ballot.
	/// May only be called by $(chairperson).
	function giveRightToVote(address toVoter) public {
	if (msg.sender != chairperson \|\| voters[toVoter].voted) return;
	voters[toVoter].weight = 1;
	}

	/// Delegate your vote to the voter $(to).
	function delegate(address to) public {
	Voter storage sender = voters[msg.sender]; // assigns reference
	if (sender.voted) return;
	while (voters[to].delegate != address(0) && voters[to].delegate != msg.sender)
	to = voters[to].delegate;
	if (to == msg.sender) return;
	sender.voted = true;
	sender.delegate = to;
	Voter storage delegateTo = voters[to];
	if (delegateTo.voted)
	proposals[delegateTo.vote].voteCount += sender.weight;
	else
	delegateTo.weight += sender.weight;
	}

	/// Give a single vote to proposal $(toProposal).
	function vote(uint8 toProposal) public {
	Voter storage sender = voters[msg.sender];
	if (sender.voted \|\| toProposal >= proposals.length) return;
	sender.voted = true;
	sender.vote = toProposal;
	proposals[toProposal].voteCount += sender.weight;
	}

	function winningProposal() public view returns (uint8 _winningProposal) {
	uint256 winningVoteCount = 0;
	for (uint8 prop = 0; prop < proposals.length; prop++)
	if (proposals[prop].voteCount > winningVoteCount) {
	winningVoteCount = proposals[prop].voteCount;
	_winningProposal = prop;
	}
	}
	}

	pragma solidity >=0.4.22 <0.6.0;
	import "remix_tests.sol"; // this import is automatically injected by Remix.
	import "./ballot.sol";

	contract test3 {

	Ballot ballotToTest;
	function beforeAll () public {
	ballotToTest = new Ballot(2);
	}

	function checkWinningProposal () public {
	ballotToTest.vote(1);
	Assert.equal(ballotToTest.winningProposal(), uint(1), "1 should be the winning proposal");
	}

	function checkWinninProposalWithReturnValue () public view returns (bool) {
	return ballotToTest.winningProposal() == 1;
	}
	}
	pragma solidity 0.5.6;

	contract Bank{
	mapping(address => uint256) public balances;
	mapping(address => bool) public hasCreated;

	function addAcount() public{
	if(!hasCreated[msg.sender]){
	balances[msg.sender] = 1000;
	hasCreated[msg.sender] = true;
	}
	}

	function transfer(address to, uint256 amount) public {
	if(balances[msg.sender] > amount){
	balances[msg.sender] -= amount;
	balances[to] += amount;
	}
	}
	}
	pragma solidity ^0.5.6;

	contract Counter{
	uint public counter = 0;

	function count() public{
	counter += 1;
	}
	}
	pragma solidity ^0.5.6;

	//강제 저축 프로젝트
	contract ForcedSavings{
	address payable public myAddress;
	uint256 public locked_balance;
	uint256 public locked_timestamp;

	function deposit() public payable{
	myAddress = msg.sender;
	locked_balance = msg.value;
	locked_timestamp = block.timestamp;
	}

	function withdrawl() public {
	uint256 year = 60 * 60 * 24 * 365;
	if(block.timestamp > locked_timestamp + year){
	myAddress.transfer(locked_balance);
	}
	}
	}
	pragma solidity ^0.5.6;

	contract Fruit {
	string[] public fruits;

	function addFruit(string memory fruit) public{
	fruits.push(fruit);
	}

	function getFruit(uint i) public view returns (string memory){
	return fruits[i];
	}
	}