Merge branch 'GriffGreen-patch-3'
This commit is contained in:
commit
e2be76ebe6
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@ -1,13 +1,33 @@
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pragma solidity ^0.4.11;
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/*
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Copyright 2017, Jordi Baylina
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Contributors: RJ Ewing, Griff Green, Arthur Lunn
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/// @title LPVault
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/// @author Jordi Baylina
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/// @notice This contract holds ether securely for liquid pledging systems. For
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/// this iteration the funds will come straight from the Giveth Multisig as a
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/// safety precaution, but once fully tested and optimized this contract will
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/// @dev This contract holds ether securely for liquid pledging systems; for
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/// this iteration the funds will come often be escaped to the Giveth Multisig
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/// (safety precaution), but once fully tested and optimized this contract will
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/// be a safe place to store funds equipped with optional variable time delays
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/// to allow for an optional escape hatch to be implemented
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import "./Owned.sol";
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/// to allow for an optional escapeHatch to be implemented in case of issues;
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/// future versions of this contract will be enabled for tokens
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import "./Owned.sol";// TODO IMPORT ESCAPABLE :-D...............................???????????????????????????/
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/// @dev `LiquidPledging` is a basic interface to allow the `LPVault` contract
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/// to confirm and cancel payments in the `LiquidPledging` contract.
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@ -19,21 +39,21 @@ contract LiquidPledging {
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/// @dev `LPVault` is a higher level contract built off of the `Owned`
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/// contract that holds funds for the liquid pledging system.
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contract LPVault is Owned {
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contract LPVault is Owned {// TODO NEEDS TO BE ESCAPABLE!!! AND WE NEED TO ADD A `WITHDRAW PARTIAL` FUNCTION????????????????
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LiquidPledging public liquidPledging; // liquidPledging contract's address
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bool public autoPay; // if false, payments will take 2 txs to be completed
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LiquidPledging public liquidPledging; // LiquidPledging contract's address
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bool public autoPay; // If false, payments will take 2 txs to be completed
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enum PaymentStatus {
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Pending, // means the payment is awaiting confirmation
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Paid, // means the payment has been sent
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Canceled // means the payment will never be sent
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Pending, // When the payment is awaiting confirmation
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Paid, // When the payment has been sent
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Canceled // When the payment will never be sent
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}
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/// @dev `Payment` is a public structure that describes the details of
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/// each payment the `ref` param makes it easy to track the movements of
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/// funds transparently by its connection to other `Payment` structs
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struct Payment {
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PaymentStatus state; //
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PaymentStatus state; // Pending, Paid or Canceled
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bytes32 ref; // an input that references details from other contracts
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address dest; // recipient of the ETH
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uint amount; // amount of ETH (in wei) to be sent
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@ -42,45 +62,49 @@ contract LPVault is Owned {
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// @dev An array that contains all the payments for this LPVault
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Payment[] public payments;
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/// @dev `liquidPledging` is the only address that can call a function with
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/// this modifier
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/// @dev The attached `LiquidPledging` contract is the only address that can
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/// call a function with this modifier
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modifier onlyLiquidPledging() {
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require(msg.sender == address(liquidPledging));
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_;
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}
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/// @dev USED FOR TESTING???
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/// @dev Used for testing... SHOULD BE REMOVED FOR MAINNET LAUNCH OR MAYBE NOT????????????????????....................
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function VaultMock() public pure {
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}
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/// @dev The fall back function allows ETH to be deposited into the LPVault
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/// through a simple send
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function () public payable {
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}
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/// @notice `setLiquidPledging` is used to attach a specific liquid pledging
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/// instance to this LPvault. Keep in mind this isn't a single pledge but
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/// instead an entire liquid pledging contract.
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/// @notice `onlyOwner` used to attach a specific liquidPledging instance
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/// to this LPvault; keep in mind that once a liquidPledging contract is
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/// attached it cannot be undone, this vault will be forever connected
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/// @param _newLiquidPledging A full liquid pledging contract
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function setLiquidPledging(address _newLiquidPledging) public onlyOwner {
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require(address(liquidPledging) == 0x0);
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liquidPledging = LiquidPledging(_newLiquidPledging);
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}
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/// @notice `setAutopay` is used to toggle whether the LPvault will
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/// automatically confirm a payment after the payment has been authorized.
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/// @param _automatic If true payments will confirm automatically
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/// @notice Used to decentralize, toggles whether the LPVault will
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/// automatically confirm a payment after the payment has been authorized
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/// @param _automatic If true, payments will confirm instantly, if false
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/// the training wheels are put on and the owner must manually approve
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/// every payment
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function setAutopay(bool _automatic) public onlyOwner {
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autoPay = _automatic;
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AutoPaySet();
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}
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/// @notice `authorizePayment` is used in order to approve a payment
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/// from the liquid pledging contract. Whenever a project or other address
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/// needs to receive a payment it needs to be authorized with this contract.
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/// @param _ref This parameter is used to reference details about the
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/// payment from another contract.
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/// @param _dest This is the address that payments will end up being sent to
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/// @param _amount This is the amount that the payment is being authorized
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/// for.
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/// @notice `onlyLiquidPledging` authorizes payments from this contract, if
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/// `autoPay == true` the transfer happens automatically `else` the `owner`
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/// must call `confirmPayment()` for a transfer to occur (training wheels);
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/// either way, a new payment is added to `payments[]`
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/// @param _ref References the payment will normally be the pledgeID
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/// @param _dest The address that payments will be sent to
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/// @param _amount The amount that the payment is being authorized for
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/// @return idPayment The id of the payment (needed by the owner to confirm)
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function authorizePayment(
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bytes32 _ref,
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address _dest,
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return idPayment;
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}
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/// @notice `confirmPayment` is a basic function used to allow the
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/// owner of the vault to initiate a payment confirmation. Since
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/// `authorizePayment` is the only pay to populate the `payments` array
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/// @notice Allows the owner to confirm payments; since
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/// `authorizePayment` is the only way to populate the `payments[]` array
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/// this is generally used when `autopay` is `false` after a payment has
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/// has been authorized.
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/// has been authorized
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/// @param _idPayment Array lookup for the payment.
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function confirmPayment(uint _idPayment) public onlyOwner {
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doConfirmPayment(_idPayment);
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}
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/// @notice `doConfirmPayment` is used to actually initiate a payment
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/// to the final destination. All of the payment information should be
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/// set before calling this function.
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/// @param _idPayment Array lookup for the payment.
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/// @notice Transfers ETH according to the data held within the specified
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/// payment id (internal function)
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/// @param _idPayment id number for the payment about to be fulfilled
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function doConfirmPayment(uint _idPayment) internal {
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require(_idPayment < payments.length);
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Payment storage p = payments[_idPayment];
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p.state = PaymentStatus.Paid;
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liquidPledging.confirmPayment(uint64(p.ref), p.amount);
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p.dest.transfer(p.amount); // only ETH denominated in wei
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p.dest.transfer(p.amount); // Transfers ETH denominated in wei
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ConfirmPayment(_idPayment);
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}
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/// @notice `cancelPayment` is used when `autopay` is `false` in order
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/// @notice When `autopay` is `false` and after a payment has been authorized
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/// to allow the owner to cancel a payment instead of confirming it.
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/// @param _idPayment Array lookup for the payment.
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function cancelPayment(uint _idPayment) public onlyOwner {
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doCancelPayment(_idPayment);
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}
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/// @notice `doCancelPayment` This carries out the task of actually
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/// canceling a payment instead of confirming it.
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/// @param _idPayment Array lookup for the payment.
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/// @notice Cancels a pending payment (internal function)
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/// @param _idPayment id number for the payment
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function doCancelPayment(uint _idPayment) internal {
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require(_idPayment < payments.length);
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Payment storage p = payments[_idPayment];
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}
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/// @notice `multiConfirm` allows for more efficient confirmation of
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/// multiple payments.
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/// @notice `onlyOwner` An efficient way to confirm multiple payments
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/// @param _idPayments An array of multiple payment ids
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function multiConfirm(uint[] _idPayments) public onlyOwner {
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for (uint i = 0; i < _idPayments.length; i++) {
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}
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}
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/// @notice `multiCancel` allows for more efficient cancellation of
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/// multiple payments.
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/// @notice `onlyOwner` An efficient way to cancel multiple payments
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/// @param _idPayments An array of multiple payment ids
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function multiCancel(uint[] _idPayments) public onlyOwner {
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for (uint i = 0; i < _idPayments.length; i++) {
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}
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}
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/// @notice `nPayments` Basic getter to return the number of payments
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/// currently held in the system. Since payments are not removed from
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/// the array this represents all payments over all time.
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/// @return The total number of payments that have ever been authorized
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function nPayments() constant public returns (uint) {
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return payments.length;
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}
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event AutoPaySet();
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event ConfirmPayment(uint indexed idPayment);
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event CancelPayment(uint indexed idPayment);
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event AuthorizePayment(uint indexed idPayment, bytes32 indexed ref, address indexed dest, uint amount);
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}
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event AuthorizePayment(
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uint indexed idPayment,
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bytes32 indexed ref,
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address indexed dest,
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uint amount
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);
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}
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