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August 28, 2018 13:54
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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-v0.4.24+commit.e67f0147.js&optimize=false&gist=
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pragma solidity ^0.4.0; | |
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. | |
function Ballot(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 constant 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; | |
} | |
} | |
} |
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pragma solidity ^0.4.24; | |
contract MyWallet { | |
address private owner; | |
uint8 constant private version = 1; | |
event PayEvent(address rec, uint amount); | |
event DepositEvent(address rec, uint amount); | |
constructor() public { | |
owner = msg.sender; | |
} | |
modifier onlyOnwer(){ | |
require (owner == msg.sender, "only the owner can do something"); | |
_; | |
} | |
modifier checkBalance(uint amount){ | |
require (address(this).balance >= amount, "not enough amount"); | |
_; | |
} | |
function give (address rec, uint amount) public onlyOnwer checkBalance(amount) { | |
rec.transfer(amount); | |
emit PayEvent(rec, amount); | |
} | |
function balance () public view returns(uint) { | |
return address(this).balance; | |
} | |
function deposit() public payable{ | |
emit DepositEvent(msg.sender,msg.value); | |
} | |
function takeBack(uint amount) public onlyOnwer checkBalance (amount){ | |
owner.transfer(amount); | |
} | |
} |
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{ | |
"accounts": { | |
"account{0}": "0xca35b7d915458ef540ade6068dfe2f44e8fa733c" | |
}, | |
"linkReferences": {}, | |
"transactions": [ | |
{ | |
"timestamp": 1535459921722, | |
"record": { | |
"value": "0", | |
"parameters": [], | |
"abi": "0x99ff0d9125e1fc9531a11262e15aeb2c60509a078c4cc4c64cefdfb06ff68647", | |
"contractName": "SimpleContract", | |
"bytecode": "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", | |
"linkReferences": {}, | |
"name": "", | |
"type": "constructor", | |
"from": "account{0}" | |
} | |
}, | |
{ | |
"timestamp": 1535459954204, | |
"record": { | |
"value": "0", | |
"parameters": [ | |
"1510" | |
], | |
"to": "created{1535459921722}", | |
"abi": "0x99ff0d9125e1fc9531a11262e15aeb2c60509a078c4cc4c64cefdfb06ff68647", | |
"name": "setData", | |
"type": "function", | |
"from": "account{0}" | |
} | |
} | |
], | |
"abis": { | |
"0x99ff0d9125e1fc9531a11262e15aeb2c60509a078c4cc4c64cefdfb06ff68647": [ | |
{ | |
"constant": false, | |
"inputs": [ | |
{ | |
"name": "d", | |
"type": "uint256" | |
} | |
], | |
"name": "setData", | |
"outputs": [], | |
"payable": false, | |
"stateMutability": "nonpayable", | |
"type": "function" | |
}, | |
{ | |
"inputs": [], | |
"payable": false, | |
"stateMutability": "nonpayable", | |
"type": "constructor" | |
}, | |
{ | |
"constant": true, | |
"inputs": [], | |
"name": "getData", | |
"outputs": [ | |
{ | |
"name": "", | |
"type": "uint256" | |
} | |
], | |
"payable": false, | |
"stateMutability": "view", | |
"type": "function" | |
} | |
] | |
} | |
} |
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pragma solidity ^ 0.4.24; | |
/** | |
* @title | |
* @author stef | |
*/ | |
contract SimpleContract { | |
uint data; | |
string name = "simple"; | |
constructor() public { | |
/* no needed */ | |
} | |
function setData(uint d) public{ | |
/* public just to say that everbody can call me */ | |
data = d; | |
} | |
function getData() public view returns (uint){ | |
/* view does not cost gas */ | |
return data; | |
} | |
} |
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