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75 lines
1.7 KiB
75 lines
1.7 KiB
pragma solidity ^0.4.24;
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import "../math/SafeMath.sol";
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/**
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* @title SplitPayment
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* @dev Base contract that supports multiple payees claiming funds sent to this contract
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* according to the proportion they own.
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*/
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contract SplitPayment {
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using SafeMath for uint256;
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uint256 public totalShares = 0;
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uint256 public totalReleased = 0;
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mapping(address => uint256) public shares;
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mapping(address => uint256) public released;
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address[] public payees;
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/**
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* @dev Constructor
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*/
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constructor(address[] _payees, uint256[] _shares) public payable {
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require(_payees.length == _shares.length);
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for (uint256 i = 0; i < _payees.length; i++) {
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addPayee(_payees[i], _shares[i]);
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}
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}
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/**
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* @dev payable fallback
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*/
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function () public payable {}
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/**
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* @dev Claim your share of the balance.
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*/
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function claim() public {
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address payee = msg.sender;
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require(shares[payee] > 0);
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uint256 totalReceived = address(this).balance.add(totalReleased);
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uint256 payment = totalReceived.mul(
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shares[payee]).div(
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totalShares).sub(
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released[payee]
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);
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require(payment != 0);
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require(address(this).balance >= payment);
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released[payee] = released[payee].add(payment);
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totalReleased = totalReleased.add(payment);
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payee.transfer(payment);
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}
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/**
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* @dev Add a new payee to the contract.
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* @param _payee The address of the payee to add.
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* @param _shares The number of shares owned by the payee.
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*/
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function addPayee(address _payee, uint256 _shares) internal {
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require(_payee != address(0));
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require(_shares > 0);
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require(shares[_payee] == 0);
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payees.push(_payee);
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shares[_payee] = _shares;
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totalShares = totalShares.add(_shares);
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}
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}
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