786 lines
28 KiB
Solidity
786 lines
28 KiB
Solidity
pragma solidity ^0.4.11;
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/*
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Copyright 2017, Jordi Baylina
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Contributor: Adrià Massanet <adria@codecontext.io>
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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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// Contract Imports
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import "./LiquidPledgingBase.sol";
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/// @dev `LiquidPleding` allows for liquid pledging through the use of
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/// internal id structures and delegate chaining. All basic operations for
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/// handling liquid pledging are supplied as well as plugin features
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/// to allow for expanded functionality.
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contract LiquidPledging is LiquidPledgingBase {
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//////
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// Constructor
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//////
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/// @notice Basic constructor for LiquidPleding, also calls the
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/// LiquidPledgingBase contract
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/// @dev This constructor also calls the constructor
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/// for `LiquidPledgingBase`
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/// @param _vault The vault where ETH backing this pledge is stored
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function LiquidPledging(address _vault) LiquidPledgingBase(_vault) {
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}
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/// @notice This is how value enters into the system which creates pledges;
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/// the token of value goes into the vault and the amount in the pledge
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/// relevant to this Giver without delegates is increased, and a normal
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/// transfer is done to the idReceiver
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/// @param idGiver Identifier of the giver thats donating.
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/// @param idReceiver To whom it's transfered. Can be the same giver,
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/// another giver, a delegate or a project.
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function donate(uint64 idGiver, uint64 idReceiver) payable {
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if (idGiver == 0) {
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// default to 3 day commitTime
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idGiver = addGiver("", "", 259200, ILiquidPledgingPlugin(0x0));
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}
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PledgeAdmin storage sender = findAdmin(idGiver);
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checkAdminOwner(sender);
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require(sender.adminType == PledgeAdminType.Giver);
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uint amount = msg.value;
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require(amount > 0);
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vault.transfer(amount); // transfers the baseToken to the Vault
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uint64 idPledge = findOrCreatePledge(
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idGiver,
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new uint64[](0), //what is new?
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0,
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0,
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0,
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PaymentState.Pledged
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);
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Pledge storage nTo = findPledge(idPledge);
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nTo.amount += amount;
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Transfer(0, idPledge, amount);
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transfer(idGiver, idPledge, amount, idReceiver);
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}
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/// @notice Moves value between pledges
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/// @param idSender ID of the giver, delegate or project admin that is
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/// transferring the funds from Pledge to Pledge; this admin must have
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/// permissions to move the value
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/// @param idPledge Id of the pledge that's moving the value
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/// @param amount Quantity of value that's being moved
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/// @param idReceiver Destination of the value, can be a giver sending to
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/// a giver or a delegate, a delegate to another delegate or a project
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/// to pre-commit it to that project
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function transfer(
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uint64 idSender,
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uint64 idPledge,
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uint amount,
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uint64 idReceiver
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)
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{
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idPledge = normalizePledge(idPledge);
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Pledge storage n = findPledge(idPledge);
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PledgeAdmin storage receiver = findAdmin(idReceiver);
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PledgeAdmin storage sender = findAdmin(idSender);
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checkAdminOwner(sender);
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require(n.paymentState == PaymentState.Pledged);
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// If the sender is the owner
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if (n.owner == idSender) {
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if (receiver.adminType == PledgeAdminType.Giver) {
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transferOwnershipToGiver(idPledge, amount, idReceiver);
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} else if (receiver.adminType == PledgeAdminType.Project) {
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transferOwnershipToProject(idPledge, amount, idReceiver);
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} else if (receiver.adminType == PledgeAdminType.Delegate) {
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idPledge = undelegate(
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idPledge,
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amount,
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n.delegationChain.length
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);
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appendDelegate(idPledge, amount, idReceiver);
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} else {
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assert(false);
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}
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return;
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}
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// If the sender is a delegate
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uint senderDIdx = getDelegateIdx(n, idSender);
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if (senderDIdx != NOTFOUND) {
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// If the receiver is another giver
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if (receiver.adminType == PledgeAdminType.Giver) {
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// Only accept to change to the original giver to
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// remove all delegates
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assert(n.owner == idReceiver);
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undelegate(idPledge, amount, n.delegationChain.length);
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return;
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}
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// If the receiver is another delegate
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if (receiver.adminType == PledgeAdminType.Delegate) {
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uint receiverDIdx = getDelegateIdx(n, idReceiver);
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// If the receiver is not in the delegate list
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if (receiverDIdx == NOTFOUND) {
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idPledge = undelegate(
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idPledge,
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amount,
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n.delegationChain.length - senderDIdx - 1
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);
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appendDelegate(idPledge, amount, idReceiver);
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// If the receiver is already part of the delegate chain and is
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// after the sender, then all of the other delegates after the
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// sender are removed and the receiver is appended at the
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// end of the delegation chain
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} else if (receiverDIdx > senderDIdx) {
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idPledge = undelegate(
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idPledge,
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amount,
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n.delegationChain.length - senderDIdx - 1
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);
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appendDelegate(idPledge, amount, idReceiver);
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// If the receiver is already part of the delegate chain and is
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// before the sender, then the sender and all of the other
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// delegates after the RECEIVER are removed from the chain,
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// this is interesting because the delegate is removed from the
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// delegates that delegated to this delegate. Are there game theory
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// issues? should this be allowed?
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} else if (receiverDIdx <= senderDIdx) {
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undelegate(
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idPledge,
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amount,
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n.delegationChain.length - receiverDIdx - 1
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);
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}
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return;
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}
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// If the delegate wants to support a project, they remove all
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// the delegates after them in the chain and choose a project
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if (receiver.adminType == PledgeAdminType.Project) {
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idPledge = undelegate(
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idPledge,
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amount,
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n.delegationChain.length - senderDIdx - 1
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);
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proposeAssignProject(idPledge, amount, idReceiver);
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return;
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}
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}
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assert(false); // It is not the owner nor any delegate.
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}
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/// @notice This method is used to withdraw value from the system.
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/// This can be used by the givers to avoid committing the donation
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/// or by project admin to use the Ether.
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/// @param idPledge Id of the pledge that wants to be withdrawn.
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/// @param amount Quantity of Ether that wants to be withdrawn.
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function withdraw(uint64 idPledge, uint amount) {
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idPledge = normalizePledge(idPledge);
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Pledge storage n = findPledge(idPledge);
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require(n.paymentState == PaymentState.Pledged);
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PledgeAdmin storage owner = findAdmin(n.owner);
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checkAdminOwner(owner);
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uint64 idNewPledge = findOrCreatePledge(
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n.owner,
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n.delegationChain,
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0,
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0,
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n.oldPledge,
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PaymentState.Paying
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);
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doTransfer(idPledge, idNewPledge, amount);
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vault.authorizePayment(bytes32(idNewPledge), owner.addr, amount);
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}
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/// @notice Method called by the vault to confirm a payment.
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/// @param idPledge Id of the pledge that wants to be withdrawn.
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/// @param amount Quantity of Ether that wants to be withdrawn.
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function confirmPayment(uint64 idPledge, uint amount) onlyVault {
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Pledge storage n = findPledge(idPledge);
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require(n.paymentState == PaymentState.Paying);
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// Check the project is not canceled in the while.
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require(!isProjectCanceled(n.owner));
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uint64 idNewPledge = findOrCreatePledge(
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n.owner,
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n.delegationChain,
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0,
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0,
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n.oldPledge,
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PaymentState.Paid
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);
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doTransfer(idPledge, idNewPledge, amount);
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}
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/// @notice Method called by the vault to cancel a payment.
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/// @param idPledge Id of the pledge that wants to be canceled for withdraw.
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/// @param amount Quantity of Ether that wants to be rolled back.
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function cancelPayment(uint64 idPledge, uint amount) onlyVault {
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Pledge storage n = findPledge(idPledge);
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require(n.paymentState == PaymentState.Paying); //TODO change to revert
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// When a payment is canceled, never is assigned to a project.
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uint64 oldPledge = findOrCreatePledge(
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n.owner,
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n.delegationChain,
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0,
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0,
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n.oldPledge,
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PaymentState.Pledged
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);
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oldPledge = normalizePledge(oldPledge);
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doTransfer(idPledge, oldPledge, amount);
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}
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/// @notice Method called to cancel this project.
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/// @param idProject Id of the projct that wants to be canceled.
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function cancelProject(uint64 idProject) {
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PledgeAdmin storage project = findAdmin(idProject);
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checkAdminOwner(project);
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project.canceled = true;
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CancelProject(idProject);
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}
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/// @notice Method called to cancel specific pledge.
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/// @param idPledge Id of the pledge that should be canceled.
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/// @param amount Quantity of Ether that wants to be rolled back.
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function cancelPledge(uint64 idPledge, uint amount) {
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idPledge = normalizePledge(idPledge);
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Pledge storage n = findPledge(idPledge);
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require(n.oldPledge != 0);
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PledgeAdmin storage m = findAdmin(n.owner);
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checkAdminOwner(m);
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uint64 oldPledge = getOldestPledgeNotCanceled(n.oldPledge);
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doTransfer(idPledge, oldPledge, amount);
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}
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////////
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// Multi pledge methods
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////////
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// @dev This set of functions makes moving a lot of pledges around much more
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// efficient (saves gas) than calling these functions in series
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/// Bit mask used for dividing pledge amounts in Multi pledge methods
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uint constant D64 = 0x10000000000000000;
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/// @notice `mTransfer` allows for multiple pledges to be transferred
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/// efficiently
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/// @param idSender ID of the giver, delegate or project admin that is
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/// transferring the funds from Pledge to Pledge. This admin must have
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/// permissions to move the value
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/// @param pledgesAmounts An array of pledge amounts and IDs which are extrapolated
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/// using the D64 bitmask
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/// @param idReceiver Destination of the value, can be a giver sending
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/// to a giver or a delegate or a delegate to another delegate or a
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/// project to pre-commit it to that project
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function mTransfer(
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uint64 idSender,
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uint[] pledgesAmounts,
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uint64 idReceiver
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) {
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for (uint i = 0; i < pledgesAmounts.length; i++ ) {
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uint64 idPledge = uint64( pledgesAmounts[i] & (D64-1) );
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uint amount = pledgesAmounts[i] / D64;
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transfer(idSender, idPledge, amount, idReceiver);
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}
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}
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/// @notice `mWithdraw` allows for multiple pledges to be
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/// withdrawn efficiently
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/// @param pledgesAmounts An array of pledge amounts and IDs which are
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/// extrapolated using the D64 bitmask
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function mWithdraw(uint[] pledgesAmounts) {
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for (uint i = 0; i < pledgesAmounts.length; i++ ) {
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uint64 idPledge = uint64( pledgesAmounts[i] & (D64-1) );
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uint amount = pledgesAmounts[i] / D64;
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withdraw(idPledge, amount);
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}
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}
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/// @notice `mConfirmPayment` allows for multiple pledges to be confirmed
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/// efficiently
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/// @param pledgesAmounts An array of pledge amounts and IDs which are extrapolated
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/// using the D64 bitmask
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function mConfirmPayment(uint[] pledgesAmounts) {
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for (uint i = 0; i < pledgesAmounts.length; i++ ) {
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uint64 idPledge = uint64( pledgesAmounts[i] & (D64-1) );
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uint amount = pledgesAmounts[i] / D64;
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confirmPayment(idPledge, amount);
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}
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}
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/// @notice `mCancelPayment` allows for multiple pledges to be canceled
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/// efficiently
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/// @param pledgesAmounts An array of pledge amounts and IDs which are extrapolated
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/// using the D64 bitmask
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function mCancelPayment(uint[] pledgesAmounts) {
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for (uint i = 0; i < pledgesAmounts.length; i++ ) {
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uint64 idPledge = uint64( pledgesAmounts[i] & (D64-1) );
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uint amount = pledgesAmounts[i] / D64;
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cancelPayment(idPledge, amount);
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}
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}
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/// @notice `mNormalizePledge` allows for multiple pledges to be
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/// normalized efficiently
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/// @param pledges An array of pledge IDs which are extrapolated using
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/// the D64 bitmask
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function mNormalizePledge(uint[] pledges) {
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for (uint i = 0; i < pledges.length; i++ ) {
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normalizePledge( pledges[i] );
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}
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}
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////////
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// Private methods
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///////
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/// @notice `transferOwnershipToProject` allows for the transfer of
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/// ownership to the project, but it can also be called to un-delegate
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/// everyone by setting one's own id for the idReceiver
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/// @param idPledge Id of the pledge to be transfered.
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/// @param amount Quantity of value that's being transfered
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/// @param idReceiver The new owner of the project (or self to un-delegate)
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function transferOwnershipToProject(
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uint64 idPledge,
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uint amount,
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uint64 idReceiver
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) internal {
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Pledge storage n = findPledge(idPledge);
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// Ensure that the pledge is not already at max pledge depth
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// and the project has not been canceled
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require(getPledgeLevel(n) < MAX_INTERPROJECT_LEVEL);
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require(!isProjectCanceled(idReceiver));
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uint64 oldPledge = findOrCreatePledge(
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n.owner,
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n.delegationChain,
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0,
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0,
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n.oldPledge,
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PaymentState.Pledged
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);
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uint64 toPledge = findOrCreatePledge(
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idReceiver, // Set the new owner
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new uint64[](0), // clear the delegation chain
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0,
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0,
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oldPledge,
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PaymentState.Pledged
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);
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doTransfer(idPledge, toPledge, amount);
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}
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/// @notice `transferOwnershipToGiver` allows for the transfer of
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/// value back to the Giver, value is placed in a pledged state
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/// without being attached to a project, delegation chain, or time line.
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/// @param idPledge Id of the pledge to be transfered.
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/// @param amount Quantity of value that's being transfered
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/// @param idReceiver The new owner of the pledge
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function transferOwnershipToGiver(
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uint64 idPledge,
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uint amount,
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uint64 idReceiver
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) internal {
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uint64 toPledge = findOrCreatePledge(
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idReceiver,
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new uint64[](0),
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0,
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0,
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0,
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PaymentState.Pledged
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);
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doTransfer(idPledge, toPledge, amount);
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}
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/// @notice `appendDelegate` allows for a delegate to be added onto the
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/// end of the delegate chain for a given Pledge.
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/// @param idPledge Id of the pledge thats delegate chain will be modified.
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/// @param amount Quantity of value that's being chained.
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/// @param idReceiver The delegate to be added at the end of the chain
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function appendDelegate(
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uint64 idPledge,
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uint amount,
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uint64 idReceiver
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) internal {
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Pledge storage n = findPledge(idPledge);
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require(n.delegationChain.length < MAX_DELEGATES);
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uint64[] memory newDelegationChain = new uint64[](
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n.delegationChain.length + 1
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);
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for (uint i = 0; i<n.delegationChain.length; i++) {
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newDelegationChain[i] = n.delegationChain[i];
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}
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// Make the last item in the array the idReceiver
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newDelegationChain[n.delegationChain.length] = idReceiver;
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uint64 toPledge = findOrCreatePledge(
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n.owner,
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newDelegationChain,
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0,
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0,
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n.oldPledge,
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PaymentState.Pledged
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);
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doTransfer(idPledge, toPledge, amount);
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}
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/// @notice `appendDelegate` allows for a delegate to be added onto the
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/// end of the delegate chain for a given Pledge.
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/// @param idPledge Id of the pledge thats delegate chain will be modified.
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/// @param amount Quantity of value that's shifted from delegates.
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/// @param q Number (or depth) to remove as delegates
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function undelegate(
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uint64 idPledge,
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uint amount,
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uint q
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) internal returns (uint64){
|
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Pledge storage n = findPledge(idPledge);
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uint64[] memory newDelegationChain = new uint64[](
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n.delegationChain.length - q
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);
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for (uint i=0; i<n.delegationChain.length - q; i++) {
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newDelegationChain[i] = n.delegationChain[i];
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}
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uint64 toPledge = findOrCreatePledge(
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n.owner,
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newDelegationChain,
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0,
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0,
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n.oldPledge,
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PaymentState.Pledged
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);
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doTransfer(idPledge, toPledge, amount);
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return toPledge;
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}
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|
|
/// @notice `proposeAssignProject` proposes the assignment of a pledge
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|
/// to a specific project.
|
|
/// @dev This function should potentially be named more specifically.
|
|
/// @param idPledge Id of the pledge that will be assigned.
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/// @param amount Quantity of value this pledge leader would be assigned.
|
|
/// @param idReceiver The project this pledge will potentially
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/// be assigned to.
|
|
function proposeAssignProject(
|
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uint64 idPledge,
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uint amount,
|
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uint64 idReceiver
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) internal {
|
|
Pledge storage n = findPledge(idPledge);
|
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|
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require(getPledgeLevel(n) < MAX_SUBPROJECT_LEVEL);
|
|
require(!isProjectCanceled(idReceiver));
|
|
|
|
uint64 toPledge = findOrCreatePledge(
|
|
n.owner,
|
|
n.delegationChain,
|
|
idReceiver,
|
|
uint64(getTime() + maxCommitTime(n)),
|
|
n.oldPledge,
|
|
PaymentState.Pledged
|
|
);
|
|
doTransfer(idPledge, toPledge, amount);
|
|
}
|
|
|
|
/// @notice `doTransfer` is designed to allow for pledge amounts to be
|
|
/// shifted around internally.
|
|
/// @param from This is the Id from which value will be transfered.
|
|
/// @param to This is the Id that value will be transfered to.
|
|
/// @param _amount The amount of value that will be transfered.
|
|
function doTransfer(uint64 from, uint64 to, uint _amount) internal {
|
|
uint amount = callPlugins(true, from, to, _amount);
|
|
if (from == to)
|
|
return;
|
|
if (amount == 0)
|
|
return;
|
|
Pledge storage nFrom = findPledge(from);
|
|
Pledge storage nTo = findPledge(to);
|
|
require(nFrom.amount >= amount);
|
|
nFrom.amount -= amount;
|
|
nTo.amount += amount;
|
|
|
|
Transfer(from, to, amount);
|
|
callPlugins(false, from, to, amount);
|
|
}
|
|
|
|
/// @notice `normalizePledge` does 2 things:
|
|
/// #1: Checks to make sure that the pledges are correct. Then if
|
|
/// a pledged project has already been committed, it changes
|
|
/// the owner to be the proposed project (The UI
|
|
/// will have to read the commit time and manually do what
|
|
/// this function does to the pledge for the end user
|
|
/// at the expiration of the commitTime)
|
|
///
|
|
/// #2: Checks to make sure that if there has been a cancellation in the
|
|
/// chain of projects, the pledge's owner has been changed
|
|
/// appropriately.
|
|
///
|
|
/// This function can be called by anybody at anytime on any pledge.
|
|
/// In general it can be called to force the calls of the affected
|
|
/// plugins, which also need to be predicted by the UI
|
|
/// @param idPledge This is the id of the pledge that will be normalized
|
|
function normalizePledge(uint64 idPledge) returns(uint64) {
|
|
|
|
Pledge storage n = findPledge(idPledge);
|
|
|
|
// Check to make sure this pledge hasn't already been used
|
|
// or is in the process of being used
|
|
if (n.paymentState != PaymentState.Pledged)
|
|
return idPledge;
|
|
|
|
// First send to a project if it's proposed and committed
|
|
if ((n.intendedProject > 0) && ( getTime() > n.commitTime)) {
|
|
uint64 oldPledge = findOrCreatePledge(
|
|
n.owner,
|
|
n.delegationChain,
|
|
0,
|
|
0,
|
|
n.oldPledge,
|
|
PaymentState.Pledged);
|
|
uint64 toPledge = findOrCreatePledge(
|
|
n.intendedProject,
|
|
new uint64[](0),
|
|
0,
|
|
0,
|
|
oldPledge,
|
|
PaymentState.Pledged);
|
|
doTransfer(idPledge, toPledge, n.amount);
|
|
idPledge = toPledge;
|
|
n = findPledge(idPledge);
|
|
}
|
|
|
|
toPledge = getOldestPledgeNotCanceled(idPledge);// TODO toPledge is pledge defined
|
|
if (toPledge != idPledge) {
|
|
doTransfer(idPledge, toPledge, n.amount);
|
|
}
|
|
|
|
return toPledge;
|
|
}
|
|
|
|
/////////////
|
|
// Plugins
|
|
/////////////
|
|
|
|
/// @notice `callPlugin` is used to trigger the general functions in the
|
|
/// plugin for any actions needed before and after a transfer happens.
|
|
/// Specifically what this does in relation to the plugin is something
|
|
/// that largely depends on the functions of that plugin. This function
|
|
/// is generally called in pairs, once before, and once after a transfer.
|
|
/// @param before This toggle determines whether the plugin call is occurring
|
|
/// before or after a transfer.
|
|
/// @param adminId This should be the Id of the *trusted* individual
|
|
/// who has control over this plugin.
|
|
/// @param fromPledge This is the Id from which value is being transfered.
|
|
/// @param toPledge This is the Id that value is being transfered to.
|
|
/// @param context The situation that is triggering the plugin. See plugin
|
|
/// for a full description of contexts.
|
|
/// @param amount The amount of value that is being transfered.
|
|
function callPlugin(
|
|
bool before,
|
|
uint64 adminId,
|
|
uint64 fromPledge,
|
|
uint64 toPledge,
|
|
uint64 context,
|
|
uint amount
|
|
) internal returns (uint allowedAmount) {
|
|
|
|
uint newAmount;
|
|
allowedAmount = amount;
|
|
PledgeAdmin storage admin = findAdmin(adminId);
|
|
// Checks admin has a plugin assigned and a non-zero amount is requested
|
|
if ((address(admin.plugin) != 0) && (allowedAmount > 0)) {
|
|
// There are two seperate functions called in the plugin.
|
|
// One is called before the transfer and one after
|
|
if (before) {
|
|
newAmount = admin.plugin.beforeTransfer(
|
|
adminId,
|
|
fromPledge,
|
|
toPledge,
|
|
context,
|
|
amount
|
|
);
|
|
require(newAmount <= allowedAmount);
|
|
allowedAmount = newAmount;
|
|
} else {
|
|
admin.plugin.afterTransfer(
|
|
adminId,
|
|
fromPledge,
|
|
toPledge,
|
|
context,
|
|
amount
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
/// @notice `callPluginsPledge` is used to apply plugin calls to
|
|
/// the delegate chain and the intended project if there is one.
|
|
/// It does so in either a transferring or receiving context based
|
|
/// on the `idPledge` and `fromPledge` parameters.
|
|
/// @param before This toggle determines whether the plugin call is occuring
|
|
/// before or after a transfer.
|
|
/// @param idPledge This is the Id of the pledge on which this plugin
|
|
/// is being called.
|
|
/// @param fromPledge This is the Id from which value is being transfered.
|
|
/// @param toPledge This is the Id that value is being transfered to.
|
|
/// @param amount The amount of value that is being transfered.
|
|
function callPluginsPledge(
|
|
bool before,
|
|
uint64 idPledge,
|
|
uint64 fromPledge,
|
|
uint64 toPledge,
|
|
uint amount
|
|
) internal returns (uint allowedAmount) {
|
|
// Determine if callPlugin is being applied in a receiving
|
|
// or transferring context
|
|
uint64 offset = idPledge == fromPledge ? 0 : 256;
|
|
allowedAmount = amount;
|
|
Pledge storage n = findPledge(idPledge);
|
|
|
|
// Always call the plugin on the owner
|
|
allowedAmount = callPlugin(
|
|
before,
|
|
n.owner,
|
|
fromPledge,
|
|
toPledge,
|
|
offset,
|
|
allowedAmount
|
|
);
|
|
|
|
// Apply call plugin to all delegates
|
|
for (uint64 i=0; i<n.delegationChain.length; i++) {
|
|
allowedAmount = callPlugin(
|
|
before,
|
|
n.delegationChain[i],
|
|
fromPledge,
|
|
toPledge,
|
|
offset + i+1,
|
|
allowedAmount
|
|
);
|
|
}
|
|
|
|
// If there is an intended project also call the plugin in
|
|
// either a transferring or receiving context based on offset
|
|
// on the intended project
|
|
if (n.intendedProject > 0) {
|
|
allowedAmount = callPlugin(
|
|
before,
|
|
n.intendedProject,
|
|
fromPledge,
|
|
toPledge,
|
|
offset + 255,
|
|
allowedAmount
|
|
);
|
|
}
|
|
}
|
|
|
|
|
|
/// @notice `callPlugins` calls `callPluginsPledge` once for the transfer
|
|
/// context and once for the receiving context. The aggregated
|
|
/// allowed amount is then returned.
|
|
/// @param before This toggle determines whether the plugin call is occuring
|
|
/// before or after a transfer.
|
|
/// @param fromPledge This is the Id from which value is being transfered.
|
|
/// @param toPledge This is the Id that value is being transfered to.
|
|
/// @param amount The amount of value that is being transfered.
|
|
function callPlugins(
|
|
bool before,
|
|
uint64 fromPledge,
|
|
uint64 toPledge,
|
|
uint amount
|
|
) internal returns (uint allowedAmount) {
|
|
allowedAmount = amount;
|
|
|
|
// Call the pledges plugins in the transfer context
|
|
allowedAmount = callPluginsPledge(
|
|
before,
|
|
fromPledge,
|
|
fromPledge,
|
|
toPledge,
|
|
allowedAmount
|
|
);
|
|
|
|
// Call the pledges plugins in the receive context
|
|
allowedAmount = callPluginsPledge(
|
|
before,
|
|
toPledge,
|
|
fromPledge,
|
|
toPledge,
|
|
allowedAmount
|
|
);
|
|
}
|
|
|
|
/////////////
|
|
// Test functions
|
|
/////////////
|
|
|
|
/// @notice Basic helper function to return the current time
|
|
function getTime() internal returns (uint) {
|
|
return now;
|
|
}
|
|
|
|
// Event Delcerations
|
|
event Transfer(uint64 indexed from, uint64 indexed to, uint amount);
|
|
event CancelProject(uint64 indexed idProject);
|
|
|
|
}
|