878 lines
29 KiB
Solidity
878 lines
29 KiB
Solidity
|
|
//File: contracts/ILiquidPledgingPlugin.sol
|
|
pragma solidity ^0.4.11;
|
|
|
|
contract ILiquidPledgingPlugin {
|
|
|
|
/// @param context In which context it is affected.
|
|
/// 0 -> owner from
|
|
/// 1 -> First delegate from
|
|
/// 2 -> Second delegate from
|
|
/// ...
|
|
/// 255 -> proposedProject from
|
|
///
|
|
/// 256 -> owner to
|
|
/// 257 -> First delegate to
|
|
/// 258 -> Second delegate to
|
|
/// ...
|
|
/// 511 -> proposedProject to
|
|
function beforeTransfer(uint64 noteManager, uint64 noteFrom, uint64 noteTo, uint64 context, uint amount) returns (uint maxAllowed);
|
|
function afterTransfer(uint64 noteManager, uint64 noteFrom, uint64 noteTo, uint64 context, uint amount);
|
|
}
|
|
|
|
//File: contracts/LiquidPledgingBase.sol
|
|
pragma solidity ^0.4.11;
|
|
|
|
|
|
|
|
contract Vault {
|
|
function authorizePayment(bytes32 _ref, address _dest, uint _amount);
|
|
function () payable;
|
|
}
|
|
|
|
contract LiquidPledgingBase {
|
|
|
|
uint constant MAX_DELEGATES = 20;
|
|
uint constant MAX_SUBPROJECT_LEVEL = 20;
|
|
uint constant MAX_INTERPROJECT_LEVEL = 20;
|
|
|
|
enum NoteManagerType { Donor, Delegate, Project }// todo change name
|
|
enum PaymentState { NotPaid, Paying, Paid }
|
|
|
|
// This struct defines the details of each the NoteManager, these NoteManagers can create
|
|
struct NoteManager {// change manager
|
|
NoteManagerType managerType;
|
|
address addr;
|
|
string name;
|
|
uint64 commitTime; // Only used in donors and projects, its the precommitment time
|
|
uint64 parentProject; // Only for projects
|
|
bool canceled; // Only for project
|
|
ILiquidPledgingPlugin plugin; // Handler that is called when one call is affected.
|
|
}
|
|
|
|
struct Note {
|
|
uint amount;
|
|
uint64 owner;
|
|
uint64[] delegationChain; //index numbers!!!!!
|
|
uint64 proposedProject; // TODO change the name only used for when delegates are precommiting to a project
|
|
uint64 commitTime; // At what time the upcoming time will become an owner.
|
|
uint64 oldNote; // this points to the Note[] index that the Note was derived from
|
|
PaymentState paymentState;
|
|
}
|
|
|
|
Note[] notes;
|
|
NoteManager[] managers; // the list of all the note managers 0 is reserved for no manager
|
|
Vault public vault;
|
|
|
|
// this mapping allows you to search for a specific note's index number by the hash of that note
|
|
mapping (bytes32 => uint64) hNote2ddx;//TODO Fix typo
|
|
|
|
|
|
/////
|
|
// Modifiers
|
|
/////
|
|
|
|
modifier onlyVault() {
|
|
require(msg.sender == address(vault));
|
|
_;
|
|
}
|
|
|
|
|
|
//////
|
|
// Constructor
|
|
//////
|
|
|
|
function LiquidPledgingBase(address _vault) {
|
|
managers.length = 1; // we reserve the 0 manager
|
|
notes.length = 1; // we reserve the 0 note
|
|
vault = Vault(_vault);
|
|
}
|
|
|
|
|
|
///////
|
|
// Managers functions
|
|
//////
|
|
|
|
function addDonor(string name, uint64 commitTime, ILiquidPledgingPlugin plugin) returns (uint64 idDonor) {//Todo return idManager
|
|
|
|
idDonor = uint64(managers.length);
|
|
|
|
managers.push(NoteManager(
|
|
NoteManagerType.Donor,
|
|
msg.sender,
|
|
name,
|
|
commitTime,
|
|
0,
|
|
false,
|
|
plugin));
|
|
|
|
DonorAdded(idDonor);
|
|
}
|
|
|
|
event DonorAdded(uint64 indexed idDonor);
|
|
|
|
function updateDonor(
|
|
uint64 idDonor,
|
|
address newAddr,
|
|
string newName,
|
|
uint64 newCommitTime)
|
|
{
|
|
NoteManager storage donor = findManager(idDonor);
|
|
require(donor.managerType == NoteManagerType.Donor);
|
|
require(donor.addr == msg.sender);
|
|
donor.addr = newAddr;
|
|
donor.name = newName;
|
|
donor.commitTime = newCommitTime;
|
|
DonorUpdated(idDonor);
|
|
}
|
|
|
|
event DonorUpdated(uint64 indexed idDonor);
|
|
|
|
function addDelegate(string name, uint64 commitTime, ILiquidPledgingPlugin plugin) returns (uint64 idDelegate) { //TODO return index number
|
|
|
|
idDelegate = uint64(managers.length);
|
|
|
|
managers.push(NoteManager(
|
|
NoteManagerType.Delegate,
|
|
msg.sender,
|
|
name,
|
|
commitTime,
|
|
0,
|
|
false,
|
|
plugin));
|
|
|
|
DeegateAdded(idDelegate);
|
|
}
|
|
|
|
event DeegateAdded(uint64 indexed idDelegate);
|
|
|
|
function updateDelegate(
|
|
uint64 idDelegate,
|
|
address newAddr,
|
|
string newName,
|
|
uint64 newCommitTime) {
|
|
NoteManager storage delegate = findManager(idDelegate);
|
|
require(delegate.managerType == NoteManagerType.Delegate);
|
|
require(delegate.addr == msg.sender);
|
|
delegate.addr = newAddr;
|
|
delegate.name = newName;
|
|
delegate.commitTime = newCommitTime;
|
|
DelegateUpdated(idDelegate);
|
|
}
|
|
|
|
event DelegateUpdated(uint64 indexed idDelegate);
|
|
|
|
function addProject(string name, address projectManager, uint64 parentProject, uint64 commitTime, ILiquidPledgingPlugin plugin) returns (uint64 idProject) {
|
|
if (parentProject != 0) {
|
|
NoteManager storage pm = findManager(parentProject);
|
|
require(pm.managerType == NoteManagerType.Project);
|
|
require(pm.addr == msg.sender);
|
|
require(getProjectLevel(pm) < MAX_SUBPROJECT_LEVEL);
|
|
}
|
|
|
|
idProject = uint64(managers.length);
|
|
|
|
managers.push(NoteManager(
|
|
NoteManagerType.Project,
|
|
projectManager,
|
|
name,
|
|
commitTime,
|
|
parentProject,
|
|
false,
|
|
plugin));
|
|
|
|
|
|
ProjectAdded(idProject);
|
|
}
|
|
|
|
event ProjectAdded(uint64 indexed idProject);
|
|
|
|
function updateProject(
|
|
uint64 idProject,
|
|
address newAddr,
|
|
string newName,
|
|
uint64 newCommitTime)
|
|
{
|
|
NoteManager storage project = findManager(idProject);
|
|
require(project.managerType == NoteManagerType.Project);
|
|
require(project.addr == msg.sender);
|
|
project.addr = newAddr;
|
|
project.name = newName;
|
|
project.commitTime = newCommitTime;
|
|
ProjectUpdated(idProject);
|
|
}
|
|
|
|
event ProjectUpdated(uint64 indexed idManager);
|
|
|
|
|
|
//////////
|
|
// 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 commitTime,
|
|
uint64 oldNote,
|
|
PaymentState paymentState
|
|
) {
|
|
Note storage n = findNote(idNote);
|
|
amount = n.amount;
|
|
owner = n.owner;
|
|
nDelegates = uint64(n.delegationChain.length);
|
|
proposedProject = n.proposedProject;
|
|
commitTime = n.commitTime;
|
|
oldNote = n.oldNote;
|
|
paymentState = n.paymentState;
|
|
}
|
|
// This is to return the delegates one by one, because you can not return an array
|
|
function getNoteDelegate(uint64 idNote, uint idxDelegate) constant returns(
|
|
uint64 idDelegate,
|
|
address addr,
|
|
string name
|
|
) {
|
|
Note storage n = findNote(idNote);
|
|
idDelegate = n.delegationChain[idxDelegate - 1];
|
|
NoteManager storage delegate = findManager(idDelegate);
|
|
addr = delegate.addr;
|
|
name = delegate.name;
|
|
}
|
|
|
|
function numberOfNoteManagers() constant returns(uint) {
|
|
return managers.length - 1;
|
|
}
|
|
|
|
function getNoteManager(uint64 idManager) constant returns (
|
|
NoteManagerType managerType,
|
|
address addr,
|
|
string name,
|
|
uint64 commitTime,
|
|
uint64 parentProject,
|
|
bool canceled)
|
|
{
|
|
NoteManager storage m = findManager(idManager);
|
|
managerType = m.managerType;
|
|
addr = m.addr;
|
|
name = m.name;
|
|
commitTime = m.commitTime;
|
|
parentProject = m.parentProject;
|
|
canceled = m.canceled;
|
|
}
|
|
|
|
////////
|
|
// Private methods
|
|
///////
|
|
|
|
// All notes exist... but if the note hasn't been created in this system yet then it wouldn't
|
|
// be in the hash array hNoteddx[]
|
|
// this function creates a balloon if one is not created already... this ballon has 0 for the amount
|
|
function findNote(
|
|
uint64 owner,
|
|
uint64[] delegationChain,
|
|
uint64 proposedProject,
|
|
uint64 commitTime,
|
|
uint64 oldNote,
|
|
PaymentState paid
|
|
) internal returns (uint64)
|
|
{
|
|
bytes32 hNote = sha3(owner, delegationChain, proposedProject, commitTime, oldNote, paid);
|
|
uint64 idx = hNote2ddx[hNote];
|
|
if (idx > 0) return idx;
|
|
idx = uint64(notes.length);
|
|
hNote2ddx[hNote] = idx;
|
|
notes.push(Note(0, owner, delegationChain, proposedProject, commitTime, oldNote, paid));
|
|
return idx;
|
|
}
|
|
|
|
function findManager(uint64 idManager) internal returns (NoteManager storage) {
|
|
require(idManager < managers.length);
|
|
return managers[idManager];
|
|
}
|
|
|
|
function findNote(uint64 idNote) internal returns (Note storage) {
|
|
require(idNote < notes.length);
|
|
return notes[idNote];
|
|
}
|
|
|
|
// a constant for the case that a delegate is requested that is not a delegate in the system
|
|
uint64 constant NOTFOUND = 0xFFFFFFFFFFFFFFFF;
|
|
|
|
// helper function that searches the delegationChain fro a specific delegate and
|
|
// level of delegation returns their idx in the delegation cahin which reflect their level of authority
|
|
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;
|
|
}
|
|
|
|
// helper function that returns the note level solely to check that transfers
|
|
// between Projects not violate MAX_INTERPROJECT_LEVEL
|
|
function getNoteLevel(Note n) internal returns(uint) {
|
|
if (n.oldNote == 0) return 0;//changed
|
|
Note storage oldN = findNote(n.oldNote);
|
|
return getNoteLevel(oldN) + 1;
|
|
}
|
|
|
|
// helper function that returns the max commit time of the owner and all the
|
|
// delegates
|
|
function maxCommitTime(Note n) internal returns(uint commitTime) {
|
|
NoteManager storage m = findManager(n.owner);
|
|
commitTime = m.commitTime;
|
|
|
|
for (uint i=0; i<n.delegationChain.length; i++) {
|
|
m = findManager(n.delegationChain[i]);
|
|
if (m.commitTime > commitTime) commitTime = m.commitTime;
|
|
}
|
|
}
|
|
|
|
// helper function that returns the project level solely to check that there
|
|
// are not too many Projects that violate MAX_SUBPROJECT_LEVEL
|
|
function getProjectLevel(NoteManager m) internal returns(uint) {
|
|
assert(m.managerType == NoteManagerType.Project);
|
|
if (m.parentProject == 0) return(1);
|
|
NoteManager storage parentNM = findManager(m.parentProject);
|
|
return getProjectLevel(parentNM);
|
|
}
|
|
|
|
function isProjectCanceled(uint64 projectId) constant returns (bool) {
|
|
NoteManager storage m = findManager(projectId);
|
|
if (m.managerType == NoteManagerType.Donor) return false;
|
|
assert(m.managerType == NoteManagerType.Project);
|
|
if (m.canceled) return true;
|
|
if (m.parentProject == 0) return false;
|
|
return isProjectCanceled(m.parentProject);
|
|
}
|
|
|
|
function isProjectCanceled2(uint64 projectId) constant returns (bool) {
|
|
NoteManager storage m = findManager(projectId);
|
|
return false;
|
|
if (m.managerType == NoteManagerType.Donor) return false;
|
|
assert(m.managerType == NoteManagerType.Project);
|
|
if (m.canceled) return true;
|
|
if (m.parentProject == 0) return false;
|
|
return isProjectCanceled2(m.parentProject);
|
|
}
|
|
|
|
// this makes it easy to cancel projects
|
|
// @param idNote the note that may or may not be cancelled
|
|
function getOldestNoteNotCanceled(uint64 idNote) internal constant returns(uint64) { //todo rename
|
|
if (idNote == 0) return 0;
|
|
Note storage n = findNote(idNote);
|
|
NoteManager storage manager = findManager(n.owner);
|
|
if (manager.managerType == NoteManagerType.Donor) return idNote;
|
|
|
|
assert(manager.managerType == NoteManagerType.Project);
|
|
|
|
if (!isProjectCanceled(n.owner)) return idNote;
|
|
|
|
return getOldestNoteNotCanceled(n.oldNote);
|
|
}
|
|
|
|
function checkManagerOwner(NoteManager m) internal constant {
|
|
require((msg.sender == m.addr) || (msg.sender == address(m.plugin)));
|
|
}
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
//File: ./contracts/LiquidPledging.sol
|
|
pragma solidity ^0.4.11;
|
|
|
|
|
|
|
|
|
|
contract LiquidPledging is LiquidPledgingBase {
|
|
|
|
|
|
//////
|
|
// Constructor
|
|
//////
|
|
|
|
// This constructor actualy also calls the constructor for the
|
|
// `LiquidPledgingBase` contract
|
|
function LiquidPledging(address _vault) LiquidPledgingBase(_vault) {
|
|
}
|
|
|
|
/// @notice This is how value enters into the system which creates notes. The
|
|
/// token of value goes into the vault and then the amount in the Note
|
|
/// relevant to this donor without delegates is increased.
|
|
/// After that, a normal transfer is done to the idReceiver.
|
|
/// @param idDonor Identifier of the donor thats donating.
|
|
/// @param idReceiver To whom it's transfered. Can be the same donor, another
|
|
/// donor, a delegate or a project
|
|
function donate(uint64 idDonor, uint64 idReceiver) payable {// TODO change to `pledge()`
|
|
NoteManager storage sender = findManager(idDonor);
|
|
|
|
checkManagerOwner(sender);
|
|
|
|
require(sender.managerType == NoteManagerType.Donor);
|
|
|
|
uint amount = msg.value;
|
|
|
|
require(amount > 0);
|
|
|
|
vault.transfer(amount); // transfers the baseToken to the Vault
|
|
uint64 idNote = findNote(
|
|
idDonor,
|
|
new uint64[](0), //what is new
|
|
0,
|
|
0,
|
|
0,
|
|
PaymentState.NotPaid);
|
|
|
|
|
|
Note storage nTo = findNote(idNote);
|
|
nTo.amount += amount;
|
|
|
|
Transfer(0, idNote, amount);
|
|
|
|
transfer(idDonor, idNote, amount, idReceiver);
|
|
}
|
|
|
|
|
|
/// @notice This is the main function to move value from one Note to the other
|
|
/// @param idSender ID of the donor, delegate or project manager that is transfering
|
|
/// the funds from Note to Note. This manager must have permisions to move the value
|
|
/// @param idNote Id of the note that's moving the value
|
|
/// @param amount Quantity of value that's being moved
|
|
/// @param idReceiver Destination of the value, can be a donor sending to a donor or
|
|
/// a delegate, a delegate to another delegate or a project to precommit it to that project
|
|
function transfer(uint64 idSender, uint64 idNote, uint amount, uint64 idReceiver) {
|
|
|
|
idNote = normalizeNote(idNote);
|
|
|
|
Note storage n = findNote(idNote);
|
|
NoteManager storage receiver = findManager(idReceiver);
|
|
NoteManager storage sender = findManager(idSender);
|
|
|
|
checkManagerOwner(sender);
|
|
require(n.paymentState == PaymentState.NotPaid);
|
|
|
|
// If the sender is the owner
|
|
if (n.owner == idSender) {
|
|
if (receiver.managerType == NoteManagerType.Donor) {
|
|
transferOwnershipToDonor(idNote, amount, idReceiver);
|
|
} else if (receiver.managerType == NoteManagerType.Project) {
|
|
transferOwnershipToProject(idNote, amount, idReceiver);
|
|
} else if (receiver.managerType == NoteManagerType.Delegate) {
|
|
appendDelegate(idNote, amount, idReceiver);
|
|
} else {
|
|
assert(false);
|
|
}
|
|
return;
|
|
}
|
|
|
|
// If the sender is a delegate
|
|
uint senderDIdx = getDelegateIdx(n, idSender);
|
|
if (senderDIdx != NOTFOUND) {
|
|
|
|
// If the receiver is another donor
|
|
if (receiver.managerType == NoteManagerType.Donor) {
|
|
// Only accept to change to the original donor to remove all delegates
|
|
assert(n.owner == idReceiver);
|
|
undelegate(idNote, amount, n.delegationChain.length);
|
|
return;
|
|
}
|
|
|
|
// If the receiver is another delegate
|
|
if (receiver.managerType == NoteManagerType.Delegate) {
|
|
uint receiverDIdx = getDelegateIdx(n, idReceiver);
|
|
|
|
// If the receiver is not in the delegate list
|
|
if (receiverDIdx == NOTFOUND) {
|
|
undelegate(idNote, amount, n.delegationChain.length - senderDIdx - 1);
|
|
appendDelegate(idNote, amount, idReceiver);
|
|
|
|
// If the receiver is already part of the delegate chain and is
|
|
// after the sender, then all of the other delegates after the sender are
|
|
// removed and the receiver is appended at the end of the delegation chain
|
|
} else if (receiverDIdx > senderDIdx) {
|
|
undelegate(idNote, amount, n.delegationChain.length - senderDIdx - 1);
|
|
appendDelegate(idNote, amount, idReceiver);
|
|
|
|
// If the receiver is already part of the delegate chain and is
|
|
// before the sender, then the sender and all of the other
|
|
// delegates after the RECEIVER are revomved from the chain,
|
|
// this is interesting because the delegate undelegates from the
|
|
// delegates that delegated to this delegate... game theory issues? should this be allowed
|
|
} else if (receiverDIdx <= senderDIdx) {
|
|
undelegate(idNote, amount, n.delegationChain.length - receiverDIdx -1);
|
|
}
|
|
return;
|
|
}
|
|
|
|
// If the delegate wants to support a project, they undelegate all
|
|
// the delegates after them in the chain and choose a project
|
|
if (receiver.managerType == NoteManagerType.Project) {
|
|
undelegate(idNote, amount, n.delegationChain.length - senderDIdx - 1);
|
|
proposeAssignProject(idNote, amount, idReceiver);
|
|
return;
|
|
}
|
|
}
|
|
assert(false); // It is not the owner nor any delegate.
|
|
}
|
|
|
|
|
|
/// @notice This method is used to withdraw value from the system. This can be used
|
|
/// by the donors to avoid committing the donation or by project manager to use
|
|
/// the Ether.
|
|
/// @param idNote Id of the note that wants to be withdrawed.
|
|
/// @param amount Quantity of Ether that wants to be withdrawed.
|
|
function withdraw(uint64 idNote, uint amount) {
|
|
|
|
idNote = normalizeNote(idNote);
|
|
|
|
Note storage n = findNote(idNote);
|
|
|
|
require(n.paymentState == PaymentState.NotPaid);
|
|
|
|
NoteManager storage owner = findManager(n.owner);
|
|
|
|
checkManagerOwner(owner);
|
|
|
|
uint64 idNewNote = findNote(
|
|
n.owner,
|
|
n.delegationChain,
|
|
0,
|
|
0,
|
|
n.oldNote,
|
|
PaymentState.Paying
|
|
);
|
|
|
|
doTransfer(idNote, idNewNote, amount);
|
|
|
|
vault.authorizePayment(bytes32(idNewNote), owner.addr, amount);
|
|
}
|
|
|
|
/// @notice Method called by the vault to confirm a payment.
|
|
/// @param idNote Id of the note that wants to be withdrawed.
|
|
/// @param amount Quantity of Ether that wants to be withdrawed.
|
|
function confirmPayment(uint64 idNote, uint amount) onlyVault {
|
|
Note storage n = findNote(idNote);
|
|
|
|
require(n.paymentState == PaymentState.Paying);
|
|
|
|
// Check the project is not canceled in the while.
|
|
require(getOldestNoteNotCanceled(idNote) == idNote);
|
|
|
|
uint64 idNewNote = findNote(
|
|
n.owner,
|
|
n.delegationChain,
|
|
0,
|
|
0,
|
|
n.oldNote,
|
|
PaymentState.Paid
|
|
);
|
|
|
|
doTransfer(idNote, idNewNote, amount);
|
|
}
|
|
|
|
/// @notice Method called by the vault to cancel a payment.
|
|
/// @param idNote Id of the note that wants to be canceled for withdraw.
|
|
/// @param amount Quantity of Ether that wants to be rolled back.
|
|
function cancelPayment(uint64 idNote, uint amount) onlyVault {
|
|
Note storage n = findNote(idNote);
|
|
|
|
require(n.paymentState == PaymentState.Paying); //TODO change to revert
|
|
|
|
// When a payment is cacnceled, never is assigned to a project.
|
|
uint64 oldNote = findNote(
|
|
n.owner,
|
|
n.delegationChain,
|
|
0,
|
|
0,
|
|
n.oldNote,
|
|
PaymentState.NotPaid
|
|
);
|
|
|
|
oldNote = normalizeNote(oldNote);
|
|
|
|
doTransfer(idNote, oldNote, amount);
|
|
}
|
|
|
|
/// @notice Method called to cancel this project.
|
|
/// @param idProject Id of the projct that wants to be canceled.
|
|
function cancelProject(uint64 idProject) {
|
|
NoteManager storage project = findManager(idProject);
|
|
checkManagerOwner(project);
|
|
project.canceled = true;
|
|
}
|
|
|
|
|
|
function cancelNote(uint64 idNote, uint amount) {
|
|
idNote = normalizeNote(idNote);
|
|
|
|
Note storage n = findNote(idNote);
|
|
|
|
NoteManager storage m = findManager(n.owner);
|
|
checkManagerOwner(m);
|
|
|
|
doTransfer(idNote, n.oldNote, amount);
|
|
}
|
|
|
|
|
|
////////
|
|
// Multi note methods
|
|
////////
|
|
|
|
// This set of functions makes moving a lot of notes around much more
|
|
// efficient (saves gas) than calling these functions in series
|
|
uint constant D64 = 0x10000000000000000;
|
|
function mTransfer(uint64 idSender, uint[] notesAmounts, uint64 idReceiver) {
|
|
for (uint i = 0; i < notesAmounts.length; i++ ) {
|
|
uint64 idNote = uint64( notesAmounts[i] & (D64-1) );
|
|
uint amount = notesAmounts[i] / D64;
|
|
|
|
transfer(idSender, idNote, amount, idReceiver);
|
|
}
|
|
}
|
|
|
|
function mWithdraw(uint[] notesAmounts) {
|
|
for (uint i = 0; i < notesAmounts.length; i++ ) {
|
|
uint64 idNote = uint64( notesAmounts[i] & (D64-1) );
|
|
uint amount = notesAmounts[i] / D64;
|
|
|
|
withdraw(idNote, amount);
|
|
}
|
|
}
|
|
|
|
function mConfirmPayment(uint[] notesAmounts) {
|
|
for (uint i = 0; i < notesAmounts.length; i++ ) {
|
|
uint64 idNote = uint64( notesAmounts[i] & (D64-1) );
|
|
uint amount = notesAmounts[i] / D64;
|
|
|
|
confirmPayment(idNote, amount);
|
|
}
|
|
}
|
|
|
|
function mCancelPayment(uint[] notesAmounts) {
|
|
for (uint i = 0; i < notesAmounts.length; i++ ) {
|
|
uint64 idNote = uint64( notesAmounts[i] & (D64-1) );
|
|
uint amount = notesAmounts[i] / D64;
|
|
|
|
cancelPayment(idNote, amount);
|
|
}
|
|
}
|
|
|
|
function mNormalizeNote(uint[] notes) returns(uint64) {
|
|
for (uint i = 0; i < notes.length; i++ ) {
|
|
uint64 idNote = uint64( notes[i] & (D64-1) );
|
|
|
|
normalizeNote(idNote);
|
|
}
|
|
}
|
|
|
|
////////
|
|
// Private methods
|
|
///////
|
|
|
|
// this function is obvious, but it can also be called to undelegate everyone
|
|
// by setting your self as teh idReceiver
|
|
function transferOwnershipToProject(uint64 idNote, uint amount, uint64 idReceiver) internal {
|
|
Note storage n = findNote(idNote);
|
|
|
|
require(getNoteLevel(n) < MAX_INTERPROJECT_LEVEL);
|
|
uint64 oldNote = findNote(
|
|
n.owner,
|
|
n.delegationChain,
|
|
0,
|
|
0,
|
|
n.oldNote,
|
|
PaymentState.NotPaid);
|
|
uint64 toNote = findNote(
|
|
idReceiver,
|
|
new uint64[](0),
|
|
0,
|
|
0,
|
|
oldNote,
|
|
PaymentState.NotPaid);
|
|
doTransfer(idNote, toNote, amount);
|
|
}
|
|
|
|
function transferOwnershipToDonor(uint64 idNote, uint amount, uint64 idReceiver) internal {
|
|
uint64 toNote = findNote(
|
|
idReceiver,
|
|
new uint64[](0),
|
|
0,
|
|
0,
|
|
0,
|
|
PaymentState.NotPaid);
|
|
doTransfer(idNote, toNote, amount);
|
|
}
|
|
|
|
function appendDelegate(uint64 idNote, uint amount, uint64 idReceiver) internal {
|
|
Note storage n= findNote(idNote);
|
|
|
|
require(n.delegationChain.length < MAX_DELEGATES); //TODO change to revert and say the error
|
|
uint64[] memory newDelegationChain = new uint64[](n.delegationChain.length + 1);
|
|
for (uint i=0; i<n.delegationChain.length; i++) {
|
|
newDelegationChain[i] = n.delegationChain[i];
|
|
}
|
|
|
|
// Make the last item in the array the idReceiver
|
|
newDelegationChain[n.delegationChain.length] = idReceiver;
|
|
|
|
uint64 toNote = findNote(
|
|
n.owner,
|
|
newDelegationChain,
|
|
0,
|
|
0,
|
|
n.oldNote,
|
|
PaymentState.NotPaid);
|
|
doTransfer(idNote, toNote, amount);
|
|
}
|
|
|
|
/// @param q Unmber of undelegations
|
|
function undelegate(uint64 idNote, uint amount, uint q) internal {
|
|
Note storage n = findNote(idNote);
|
|
uint64[] memory newDelegationChain = new uint64[](n.delegationChain.length - q);
|
|
for (uint i=0; i<n.delegationChain.length - q; i++) {
|
|
newDelegationChain[i] = n.delegationChain[i];
|
|
}
|
|
uint64 toNote = findNote(
|
|
n.owner,
|
|
newDelegationChain,
|
|
0,
|
|
0,
|
|
n.oldNote,
|
|
PaymentState.NotPaid);
|
|
doTransfer(idNote, toNote, amount);
|
|
}
|
|
|
|
|
|
function proposeAssignProject(uint64 idNote, uint amount, uint64 idReceiver) internal {// Todo rename
|
|
Note storage n = findNote(idNote);
|
|
|
|
require(getNoteLevel(n) < MAX_SUBPROJECT_LEVEL);
|
|
|
|
uint64 toNote = findNote(
|
|
n.owner,
|
|
n.delegationChain,
|
|
idReceiver,
|
|
uint64(getTime() + maxCommitTime(n)),
|
|
n.oldNote,
|
|
PaymentState.NotPaid);
|
|
doTransfer(idNote, toNote, amount);
|
|
}
|
|
|
|
function doTransfer(uint64 from, uint64 to, uint _amount) internal {
|
|
uint amount = callPlugins(true, from, to, _amount);
|
|
if (from == to) return;
|
|
if (amount == 0) return;
|
|
Note storage nFrom = findNote(from);
|
|
Note storage nTo = findNote(to);
|
|
require(nFrom.amount >= amount);
|
|
nFrom.amount -= amount;
|
|
nTo.amount += amount;
|
|
|
|
Transfer(from, to, amount);
|
|
callPlugins(false, from, to, amount);
|
|
}
|
|
|
|
// This function does 2 things, #1: it checks to make sure that the pledges are correct
|
|
// if the a pledged project has already been commited then it changes the owner
|
|
// to be the proposed project (Note that the UI will have to read the commit time and manually
|
|
// do what this function does to the note for the end user at the expiration of the committime)
|
|
// #2: It checks to make sure that if there has been a cancellation in the chain of projects,
|
|
// then it adjusts the note's owner appropriately.
|
|
// This call can be called from any body at any time on any node. In general it can be called
|
|
// to froce the calls of the affected plugins.
|
|
function normalizeNote(uint64 idNote) returns(uint64) {
|
|
Note storage n = findNote(idNote);
|
|
|
|
// Check to make sure this note hasnt already been used or is in the process of being used
|
|
if (n.paymentState != PaymentState.NotPaid) return idNote;
|
|
|
|
// First send to a project if it's proposed and commited
|
|
if ((n.proposedProject > 0) && ( getTime() > n.commitTime)) {
|
|
uint64 oldNote = findNote(
|
|
n.owner,
|
|
n.delegationChain,
|
|
0,
|
|
0,
|
|
n.oldNote,
|
|
PaymentState.NotPaid);
|
|
uint64 toNote = findNote(
|
|
n.proposedProject,
|
|
new uint64[](0),
|
|
0,
|
|
0,
|
|
oldNote,
|
|
PaymentState.NotPaid);
|
|
doTransfer(idNote, toNote, n.amount);
|
|
idNote = toNote;
|
|
n = findNote(idNote);
|
|
}
|
|
|
|
toNote = getOldestNoteNotCanceled(idNote);// TODO toNote is note defined
|
|
if (toNote != idNote) {
|
|
doTransfer(idNote, toNote, n.amount);
|
|
}
|
|
|
|
return toNote;
|
|
}
|
|
|
|
/////////////
|
|
// Plugins
|
|
/////////////
|
|
|
|
function callPlugin(bool before, uint64 managerId, uint64 fromNote, uint64 toNote, uint64 context, uint amount) internal returns (uint allowedAmount) {
|
|
uint newAmount;
|
|
allowedAmount = amount;
|
|
NoteManager storage manager = findManager(managerId);
|
|
if ((address(manager.plugin) != 0) && (allowedAmount > 0)) {
|
|
if (before) {
|
|
newAmount = manager.plugin.beforeTransfer(managerId, fromNote, toNote, context, amount);
|
|
require(newAmount <= allowedAmount);
|
|
allowedAmount = newAmount;
|
|
} else {
|
|
manager.plugin.afterTransfer(managerId, fromNote, toNote, context, amount);
|
|
}
|
|
}
|
|
}
|
|
|
|
function callPluginsNote(bool before, uint64 idNote, uint64 fromNote, uint64 toNote, uint amount) internal returns (uint allowedAmount) {
|
|
uint64 offset = idNote == fromNote ? 0 : 256;
|
|
allowedAmount = amount;
|
|
Note storage n = findNote(idNote);
|
|
|
|
allowedAmount = callPlugin(before, n.owner, fromNote, toNote, offset, allowedAmount);
|
|
|
|
for (uint64 i=0; i<n.delegationChain.length; i++) {
|
|
allowedAmount = callPlugin(before, n.delegationChain[i], fromNote, toNote, offset + i+1, allowedAmount);
|
|
}
|
|
|
|
if (n.proposedProject > 0) {
|
|
allowedAmount = callPlugin(before, n.proposedProject, fromNote, toNote, offset + 255, allowedAmount);
|
|
}
|
|
}
|
|
|
|
function callPlugins(bool before, uint64 fromNote, uint64 toNote, uint amount) internal returns (uint allowedAmount) {
|
|
allowedAmount = amount;
|
|
|
|
allowedAmount = callPluginsNote(before, fromNote, fromNote, toNote, allowedAmount);
|
|
allowedAmount = callPluginsNote(before, toNote, fromNote, toNote, allowedAmount);
|
|
}
|
|
|
|
/////////////
|
|
// Test functions
|
|
/////////////
|
|
|
|
function getTime() internal returns (uint) {
|
|
return now;
|
|
}
|
|
|
|
event Transfer(uint64 indexed from, uint64 indexed to, uint amount);
|
|
|
|
}
|