Contracts Done Not tested
This commit is contained in:
Jordi Baylina
commit
3f6c3ad398
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@ -0,0 +1,66 @@
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pragma solidity ^0.4.11;
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contract ILiquidPledging {
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enum NoteManagerType { Donor, Delegate, Project }
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enum PaymentState {NotPaid, Paying, Paid}
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function numberOfNotes() constant returns (uint);
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function getNote(uint64 idNote) constant returns(
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uint amount,
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uint64 owner,
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uint64 nDelegates,
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uint64 proposedProject,
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uint64 commmitTime,
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uint64 oldNote,
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PaymentState paymentState
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);
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function getNoteDelegate(uint64 idNote, uint idxDelegate) constant returns(
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uint64 idDelegate,
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address addr,
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string name
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);
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function numberOfManagers() constant returns(uint);
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function getNoteManager(uint64 idManager) constant returns (
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NoteManagerType managerType,
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address addr,
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string name,
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uint64 commitTime,
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address reviewer,
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bool canceled);
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function addDonor(string name, uint commitTime);
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function updateDonor(uint64 idDonor, address newAddr, string newName, uint newCommitTime);
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function addDelegate(string name);
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function updateDelegate(uint64 idDelegate, address newAddr, string newName);
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function addProject(string name, address canceler, uint commitTime) ;
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function updateProject(uint64 idProject, address newAddr, string newName, uint newCommitTime);
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function updateProjectCanceler(uint64 idProject, address newCanceler);
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function donate(uint64 idDonor, uint64 idReceiver) payable;
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/// @param idSender idDonor or idDelegate that executes the action
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/// @param idReceiver idDonor or idCampaign that wants to be transfered.
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/// @param note piece That wants to be transfered.
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/// @param amount quantity of the state that wants to be transfered.
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function transfer(uint64 idSender, uint64 note, uint amount, uint64 idReceiver);
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function mTransfer(uint64 idSender, uint[] notesAmounts, uint64 idReceiver);
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function withdraw(uint64 note, uint amount, string concept);
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function mWithdraw(uint[] notesAmounts, string concept);
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function confirmPayment(uint64 idNote, uint amount);
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function mConfirmPayment(uint[] notesAmounts);
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function cancelPayment(uint64 idNote, uint amount);
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function mCancelPayment(uint[] notesAmounts);
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function cancelProject(int64 idCampaign);
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}
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@ -0,0 +1,336 @@
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pragma solidity ^0.4.11;
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import "./LiquidPledgingBase.sol";
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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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function LiquidPledging(address _vault) LiquidPledgingBase(_vault) {
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}
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function donate(uint64 idDonor, uint64 idReceiver) payable {
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NoteManager sender = findManager(idDonor);
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if (sender.managerType != NoteManagerType.Donor) throw;
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if (sender.addr != msg.sender) throw;
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uint amount = msg.value;
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if (amount == 0) throw;
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vault.transfer(amount);
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uint64 idNote = findNote(
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idDonor,
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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.NotPaid);
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doTransfer(0, idNote, amount);
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transfer(idDonor, idNote, amount, idReceiver);
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}
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function transfer(uint64 idSender, uint64 idNote, uint amount, uint64 idReceiver) {
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idNote = normalizeNote(idNote);
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Note n = findNote(idNote);
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NoteManager receiver = findManager(idReceiver);
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NoteManager sender = findManager(idSender);
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if (sender.addr != msg.sender) throw;
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if (n.paymentState != PaymentState.NotPaid) throw;
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// If the sender is the owner
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if (n.owner == idSender) {
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if ((receiver.managerType == NoteManagerType.Donor) ||
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(receiver.managerType == NoteManagerType.Project)) {
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transferOwnership(idNote, amount, idReceiver);
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} else if (receiver.managerType == NoteManagerType.Delegate) {
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appendDelegate(idNote, amount, idReceiver);
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} else {
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throw;
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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 doner
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if (receiver.managerType == NoteManagerType.Donor) {
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// Only accept to change to the original donor to remove all delegates
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if (n.owner == idReceiver) {
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undelegate(idNote, amount, n.delegationChain.length);
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} else {
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throw;
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}
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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.managerType == NoteManagerType.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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undelegate(idNote, amount, n.delegationChain.length - senderDIdx - 1);
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appendDelegate(idNote, amount, idReceiver);
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// If the receiver is after the delegate list and is not the next one.
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// Canccel delegations an redelegate
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} else if (receiverDIdx > senderDIdx) {
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undelegate(idNote, amount, n.delegationChain.length - senderDIdx - 1);
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appendDelegate(idNote, amount, idReceiver);
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// If it's before the list cancel thelegations until him
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} else if (receiverDIdx <= senderDIdx) {
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undelegate(idNote, amount, n.delegationChain.length - receiverDIdx -1);
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}
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return;
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}
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// If the delegate chose a project to assign
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if (receiver.managerType == NoteManagerType.Project) {
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undelegate(idNote, amount, n.delegationChain.length - senderDIdx - 1);
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proposeAssignProject(idNote, amount, idReceiver);
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return;
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}
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}
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throw; // It is not the owner nor any delegate.
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}
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function withdraw(uint64 idNote, uint amount) {
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idNote = normalizeNote(idNote);
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Note n = findNote(idNote);
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if (n.paymentState != PaymentState.NotPaid) throw;
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NoteManager owner = findManager(n.owner);
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if (owner.addr != msg.sender) throw;
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uint64 idNewNote = findNote(
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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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idNote,
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PaymentState.Paying
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);
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doTransfer(idNote, idNewNote, amount);
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vault.authorizePayment(bytes32(idNewNote), owner.addr, amount);
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}
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function confirmPayment(uint64 idNote, uint amount) onlyVault {
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Note n = findNote(idNote);
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if (n.paymentState != PaymentState.Paying) throw;
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if (isProjectCanceled(n.owner)) throw;
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uint64 idNewNote = findNote(
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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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idNote,
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PaymentState.Paid
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);
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doTransfer(idNote, idNewNote, amount);
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}
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function cancelPayment(uint64 idNote, uint amount) onlyVault {
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Note n = findNote(idNote);
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if (n.paymentState != PaymentState.Paying) throw;
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// When a payment is cacnceled, never is assigned to a project.
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uint64 oldNote = findNote(
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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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idNote,
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PaymentState.NotPaid
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);
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oldNote = normalizeNote(oldNote);
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doTransfer(idNote, oldNote, amount);
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}
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function cancelProject(uint64 idProject) {
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NoteManager project = findManager(idProject);
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if ( (project.reviewer != msg.sender)
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&&(project.addr != msg.sender))
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throw;
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project.canceled = true;
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}
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////////
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// Multi note methods
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////////
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uint constant D64 = 0x10000000000000000;
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function mTransfer(uint64 idSender, uint[] notesAmounts, uint64 idReceiver) {
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for (uint i = 0; i < notesAmounts.length; i++ ) {
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uint64 idNote = uint64( notesAmounts[i] & (D64-1) );
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uint amount = notesAmounts[i] / D64;
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transfer(idSender, idNote, amount, idReceiver);
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}
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}
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function mWithdraw(uint[] notesAmounts) {
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for (uint i = 0; i < notesAmounts.length; i++ ) {
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uint64 idNote = uint64( notesAmounts[i] & (D64-1) );
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uint amount = notesAmounts[i] / D64;
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withdraw(idNote, amount);
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}
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}
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function mConfirmPayment(uint[] notesAmounts) {
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for (uint i = 0; i < notesAmounts.length; i++ ) {
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uint64 idNote = uint64( notesAmounts[i] & (D64-1) );
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uint amount = notesAmounts[i] / D64;
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confirmPayment(idNote, amount);
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}
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}
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function mCancelPayment(uint[] notesAmounts) {
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for (uint i = 0; i < notesAmounts.length; i++ ) {
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uint64 idNote = uint64( notesAmounts[i] & (D64-1) );
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uint amount = notesAmounts[i] / D64;
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cancelPayment(idNote, amount);
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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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function transferOwnership(uint64 idNote, uint amount, uint64 idReceiver) internal {
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Note n = findNote(idNote);
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uint64 oldNote = findNote(
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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.oldNote,
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PaymentState.NotPaid);
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uint64 toNote = findNote(
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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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oldNote,
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PaymentState.NotPaid);
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doTransfer(idNote, toNote, amount);
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}
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function appendDelegate(uint64 idNote, uint amount, uint64 idReceiver) internal {
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Note n = findNote(idNote);
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uint64[] memory newDelegationChain = new uint64[](n.delegationChain.length + 1);
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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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newDelegationChain[n.delegationChain.length] = idReceiver;
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uint64 toNote = findNote(
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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.oldNote,
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PaymentState.NotPaid);
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doTransfer(idNote, toNote, amount);
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}
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/// @param q Unmber of undelegations
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function undelegate(uint64 idNote, uint amount, uint q) internal {
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Note n = findNote(idNote);
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uint64[] memory newDelegationChain = new uint64[](n.delegationChain.length - q);
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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 toNote = findNote(
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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.oldNote,
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PaymentState.NotPaid);
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doTransfer(idNote, toNote, amount);
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}
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function proposeAssignProject(uint64 idNote, uint amount, uint64 idReceiver) internal {
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Note n = findNote(idNote);
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NoteManager owner = findManager(n.owner);
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uint64 toNote = findNote(
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n.owner,
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n.delegationChain,
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idReceiver,
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uint64(now + owner.commitTime),
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n.oldNote,
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PaymentState.NotPaid);
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doTransfer(idNote, toNote, amount);
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}
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function doTransfer(uint64 from, uint64 to, uint amount) internal {
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Note nFrom = findNote(from);
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Note nTo = findNote(to);
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if (nFrom.amount < amount) throw;
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nFrom.amount -= amount;
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nTo.amount += amount;
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Transfer(from, to, amount);
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}
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function normalizeNote(uint64 idNote) internal returns(uint64) {
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Note n = findNote(idNote);
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if (n.paymentState != PaymentState.NotPaid) return idNote;
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// First send to a project if it's proposed and commited
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if ((n.proposedProject > 0) && ( now > n.commmitTime)) {
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uint64 oldNote = findNote(
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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.oldNote,
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PaymentState.NotPaid);
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uint64 toNote = findNote(
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n.proposedProject,
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new uint64[](0),
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0,
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0,
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oldNote,
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PaymentState.NotPaid);
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doTransfer(idNote, toNote, n.amount);
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}
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toNote = getOldestNoteNotCanceled(idNote);
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if (toNote != idNote) {
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doTransfer(idNote, toNote, n.amount);
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}
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}
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event Transfer(uint64 indexed from, uint64 indexed to, uint amount);
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}
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@ -0,0 +1,273 @@
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pragma solidity ^0.4.11;
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import "./ILiquidPledging.sol";
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contract Vault {
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function authorizePayment(bytes32 ref, address dest, uint amount);
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}
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contract LiquidPledgingBase is ILiquidPledging {
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struct NoteManager {
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NoteManagerType managerType;
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address addr;
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string name;
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uint64 commitTime; // Only used in donors and campaigns
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address reviewer; // Only for project
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bool canceled; // Only for project
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}
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struct Note {
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uint amount;
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uint64 owner;
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uint64[] delegationChain;
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uint64 proposedProject;
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uint64 commmitTime; // At what time the upcoming time will become an owner.
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uint64 oldNote;
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PaymentState paymentState;
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}
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Note[] notes;
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NoteManager[] managers;
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Vault public vault;
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mapping (bytes32 => uint64) hNote2ddx;
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/////
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// Modifiers
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/////
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modifier onlyVault() {
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if (msg.sender != address(vault)) throw;
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_;
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}
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//////
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// Constructor
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||||
//////
|
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function LiquidPledgingBase(address _vault) {
|
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managers.length = 1;
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notes.length = 1;
|
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vault = Vault(_vault);
|
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}
|
||||
|
||||
|
||||
///////
|
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// Managers functions
|
||||
//////
|
||||
|
||||
function addDonor(string name, uint64 commitTime) {
|
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managers.push(NoteManager(
|
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NoteManagerType.Donor,
|
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msg.sender,
|
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name,
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commitTime,
|
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0x0,
|
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false));
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DonorAdded(uint64(managers.length-1));
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}
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event DonorAdded(uint64 indexed idMember);
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function updateDonor(
|
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uint64 idDonor,
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address newAddr,
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string newName,
|
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uint64 newCommitTime)
|
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{
|
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NoteManager donor = findManager(idDonor);
|
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if (donor.managerType != NoteManagerType.Donor) throw;
|
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if (donor.addr != msg.sender) throw;
|
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donor.addr = newAddr;
|
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donor.name = newName;
|
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donor.commitTime = newCommitTime;
|
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DonorUpdated(idDonor);
|
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}
|
||||
|
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event DonorUpdated(uint64 indexed idMember);
|
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|
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function addDelegate(string name) {
|
||||
managers.push(NoteManager(
|
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NoteManagerType.Delegate,
|
||||
msg.sender,
|
||||
name,
|
||||
0,
|
||||
0x0,
|
||||
false));
|
||||
|
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DeegateAdded(uint64(managers.length-1));
|
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}
|
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|
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event DeegateAdded(uint64 indexed idMember);
|
||||
|
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function updateDelegate(uint64 idDelegate, address newAddr, string newName) {
|
||||
NoteManager delegate = findManager(idDelegate);
|
||||
if (delegate.managerType != NoteManagerType.Delegate) throw;
|
||||
if (delegate.addr != msg.sender) throw;
|
||||
delegate.addr = newAddr;
|
||||
delegate.name = newName;
|
||||
DelegateUpdated(idDelegate);
|
||||
}
|
||||
|
||||
event DelegateUpdated(uint64 indexed idMember);
|
||||
|
||||
function addProject(string name, address reviewer, uint64 commitTime) {
|
||||
managers.push(NoteManager(
|
||||
NoteManagerType.Project,
|
||||
msg.sender,
|
||||
name,
|
||||
commitTime,
|
||||
reviewer,
|
||||
false));
|
||||
|
||||
ProjectAdded(uint64(managers.length-1));
|
||||
}
|
||||
|
||||
event ProjectAdded(uint64 indexed idMember);
|
||||
|
||||
function updateProject(uint64 idProject, address newAddr, string newName, uint64 newCommitTime) {
|
||||
NoteManager project = findManager(idProject);
|
||||
if (project.managerType != NoteManagerType.Project) throw;
|
||||
if (project.addr != msg.sender) throw;
|
||||
project.addr = newAddr;
|
||||
project.name = newName;
|
||||
project.commitTime = newCommitTime;
|
||||
ProjectUpdated(idProject);
|
||||
}
|
||||
|
||||
function updateProjectCanceler(uint64 idProject, address newReviewer) {
|
||||
NoteManager project = findManager(idProject);
|
||||
if (project.managerType != NoteManagerType.Project) throw;
|
||||
if (project.reviewer != msg.sender) throw;
|
||||
project.reviewer = newReviewer;
|
||||
ProjectUpdated(idProject);
|
||||
}
|
||||
|
||||
event ProjectUpdated(uint64 indexed idMember);
|
||||
|
||||
|
||||
//////////
|
||||
// Public constant functions
|
||||
//////////
|
||||
|
||||
|
||||
function numberOfNotes() constant returns (uint) {
|
||||
return notes.length - 1;
|
||||
}
|
||||
|
||||
function getNote(uint64 idNote) constant returns(
|
||||
uint amount,
|
||||
uint64 owner,
|
||||
uint64 nDelegates,
|
||||
uint64 proposedProject,
|
||||
uint64 commmitTime,
|
||||
uint64 oldNote,
|
||||
PaymentState paymentState
|
||||
) {
|
||||
Note n = findNote(idNote);
|
||||
amount = n.amount;
|
||||
owner = n.owner;
|
||||
nDelegates = uint64(n.delegationChain.length);
|
||||
proposedProject = n.proposedProject;
|
||||
commmitTime = n.commmitTime;
|
||||
oldNote = n.oldNote;
|
||||
paymentState = n.paymentState;
|
||||
}
|
||||
|
||||
function getNoteDelegate(uint64 idNote, uint idxDelegate) constant returns(
|
||||
uint64 idDelegate,
|
||||
address addr,
|
||||
string name
|
||||
) {
|
||||
Note n = findNote(idNote);
|
||||
idDelegate = n.delegationChain[idxDelegate];
|
||||
NoteManager delegate = findManager(idDelegate);
|
||||
addr = delegate.addr;
|
||||
name = delegate.name;
|
||||
}
|
||||
|
||||
function numberOfManagers() constant returns(uint) {
|
||||
return managers.length - 1;
|
||||
}
|
||||
|
||||
function getNoteManager(uint64 idManager) constant returns (
|
||||
NoteManagerType managerType,
|
||||
address addr,
|
||||
string name,
|
||||
uint64 commitTime,
|
||||
address reviewer,
|
||||
bool canceled)
|
||||
{
|
||||
NoteManager m = findManager(idManager);
|
||||
managerType = m.managerType;
|
||||
addr = m.addr;
|
||||
name = m.name;
|
||||
commitTime = m.commitTime;
|
||||
reviewer = m.reviewer;
|
||||
canceled = m.canceled;
|
||||
}
|
||||
|
||||
////////
|
||||
// Private methods
|
||||
///////
|
||||
|
||||
function findNote(
|
||||
uint64 owner,
|
||||
uint64[] delegationChain,
|
||||
uint64 proposedProject,
|
||||
uint64 commmitTime,
|
||||
uint64 oldNote,
|
||||
PaymentState paid
|
||||
) internal returns (uint64)
|
||||
{
|
||||
bytes32 hNote = sha3(owner, delegationChain, proposedProject, commmitTime, oldNote, paid);
|
||||
uint64 idx = hNote2ddx[hNote];
|
||||
if (idx > 0) return idx;
|
||||
idx = uint64(notes.length);
|
||||
notes.push(Note(0, owner, delegationChain, proposedProject, commmitTime, oldNote, paid));
|
||||
return idx;
|
||||
}
|
||||
|
||||
function findManager(uint64 idManager) internal returns (NoteManager storage) {
|
||||
if (idManager >= managers.length) throw;
|
||||
return managers[idManager];
|
||||
}
|
||||
|
||||
function findNote(uint64 idNote) internal returns (Note storage) {
|
||||
if (idNote >= notes.length) throw;
|
||||
return notes[idNote];
|
||||
}
|
||||
|
||||
function getOldestNoteNotCanceled(uint64 idProject) internal constant returns(uint64) {
|
||||
if (idProject == 0) return 0;
|
||||
Note n = findNote(idProject);
|
||||
NoteManager owner = findManager(n.owner);
|
||||
if (owner.managerType == NoteManagerType.Donor) return idProject;
|
||||
|
||||
uint64 parentProject = getOldestNoteNotCanceled(n.oldNote);
|
||||
if (parentProject == n.oldNote) {
|
||||
return idProject;
|
||||
} else {
|
||||
return parentProject;
|
||||
}
|
||||
}
|
||||
|
||||
function isProjectCanceled(uint64 idProject) internal constant returns(bool){
|
||||
uint parentProject = getOldestNoteNotCanceled(idProject);
|
||||
return (parentProject != idProject);
|
||||
}
|
||||
|
||||
uint64 constant NOTFOUND = 0xFFFFFFFFFFFFFFFF;
|
||||
function getDelegateIdx(Note n, uint64 idDelegate) internal returns(uint64) {
|
||||
for (uint i=0; i<n.delegationChain.length; i++) {
|
||||
if (n.delegationChain[i] == idDelegate) return uint64(i);
|
||||
}
|
||||
return NOTFOUND;
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue