406 lines
15 KiB
Solidity
406 lines
15 KiB
Solidity
pragma solidity ^0.4.18;
|
|
|
|
/*
|
|
Copyright 2017, Jordi Baylina, RJ Ewing
|
|
Contributors: Adrià Massanet <adria@codecontext.io>, Griff Green,
|
|
Arthur Lunn
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
import "./ILiquidPledgingPlugin.sol";
|
|
import "./LiquidPledgingPlugins.sol";
|
|
import "@aragon/os/contracts/apps/AragonApp.sol";
|
|
import "@aragon/os/contracts/acl/ACL.sol";
|
|
|
|
contract PledgeAdmins is AragonApp, LiquidPledgingPlugins {
|
|
|
|
bytes32 constant public PLEDGE_ADMIN_ROLE = keccak256("PLEDGE_ADMIN_ROLE");
|
|
|
|
// Limits inserted to prevent large loops that could prevent canceling
|
|
uint constant MAX_SUBPROJECT_LEVEL = 20;
|
|
uint constant MAX_INTERPROJECT_LEVEL = 20;
|
|
|
|
enum PledgeAdminType { Giver, Delegate, Project }
|
|
|
|
/// @dev This struct defines the details of a `PledgeAdmin` which are
|
|
/// commonly referenced by their index in the `admins` array
|
|
/// and can own pledges and act as delegates
|
|
struct PledgeAdmin {
|
|
PledgeAdminType adminType; // Giver, Delegate or Project
|
|
address addr; // Account or contract address for admin
|
|
string name;
|
|
string url; // Can be IPFS hash
|
|
uint64 commitTime; // In seconds, used for Givers' & Delegates' vetos
|
|
uint64 parentProject; // Only for projects
|
|
bool canceled; //Always false except for canceled projects
|
|
|
|
/// @dev if the plugin is 0x0 then nothing happens, if its an address
|
|
// than that smart contract is called when appropriate
|
|
ILiquidPledgingPlugin plugin;
|
|
}
|
|
|
|
// Events
|
|
event GiverAdded(uint64 indexed idGiver);
|
|
event GiverUpdated(uint64 indexed idGiver);
|
|
event DelegateAdded(uint64 indexed idDelegate);
|
|
event DelegateUpdated(uint64 indexed idDelegate);
|
|
event ProjectAdded(uint64 indexed idProject);
|
|
event ProjectUpdated(uint64 indexed idProject);
|
|
|
|
PledgeAdmin[] admins; //The list of pledgeAdmins 0 means there is no admin
|
|
|
|
|
|
///////////////
|
|
// Constructor
|
|
///////////////
|
|
|
|
function PledgeAdmins()
|
|
LiquidPledgingPlugins() public
|
|
{
|
|
}
|
|
|
|
////////////////////
|
|
// Public functions
|
|
////////////////////
|
|
|
|
/// @notice Creates a Giver Admin with the `msg.sender` as the Admin address
|
|
/// @param name The name used to identify the Giver
|
|
/// @param url The link to the Giver's profile often an IPFS hash
|
|
/// @param commitTime The length of time in seconds the Giver has to
|
|
/// veto when the Giver's delegates Pledge funds to a project
|
|
/// @param plugin This is Giver's liquid pledge plugin allowing for
|
|
/// extended functionality
|
|
/// @return idGiver The id number used to reference this Admin
|
|
function addGiver(
|
|
string name,
|
|
string url,
|
|
uint64 commitTime,
|
|
ILiquidPledgingPlugin plugin
|
|
) public returns (uint64 idGiver)
|
|
{
|
|
require(isValidPlugin(plugin)); // Plugin check
|
|
|
|
idGiver = uint64(admins.length);
|
|
|
|
// Save the fields
|
|
admins.push(
|
|
PledgeAdmin(
|
|
PledgeAdminType.Giver,
|
|
msg.sender, // TODO: is this needed?
|
|
name,
|
|
url,
|
|
commitTime,
|
|
0,
|
|
false,
|
|
plugin)
|
|
);
|
|
|
|
_grantPledgeAdminPermission(msg.sender, idGiver);
|
|
if (address(plugin) != 0) {
|
|
_grantPledgeAdminPermission(address(plugin), idGiver);
|
|
}
|
|
|
|
GiverAdded(idGiver);
|
|
}
|
|
|
|
/// @notice Updates a Giver's info to change the address, name, url, or
|
|
/// commitTime, it cannot be used to change a plugin, and it must be called
|
|
/// by the current address of the Giver
|
|
/// @param idGiver This is the Admin id number used to specify the Giver
|
|
/// @param newAddr The new address that represents this Giver
|
|
/// @param newName The new name used to identify the Giver
|
|
/// @param newUrl The new link to the Giver's profile often an IPFS hash
|
|
/// @param newCommitTime Sets the length of time in seconds the Giver has to
|
|
/// veto when the Giver's delegates Pledge funds to a project
|
|
function updateGiver(
|
|
uint64 idGiver,
|
|
address newAddr,
|
|
string newName,
|
|
string newUrl,
|
|
uint64 newCommitTime
|
|
) authP(PLEDGE_ADMIN_ROLE, arr(uint(idGiver))) public
|
|
{
|
|
PledgeAdmin storage giver = _findAdmin(idGiver);
|
|
require(giver.adminType == PledgeAdminType.Giver); // Must be a Giver
|
|
// require(giver.addr == msg.sender); // Current addr had to send this tx
|
|
giver.addr = newAddr;
|
|
giver.name = newName;
|
|
giver.url = newUrl;
|
|
giver.commitTime = newCommitTime;
|
|
|
|
GiverUpdated(idGiver);
|
|
}
|
|
|
|
/// @notice Creates a Delegate Admin with the `msg.sender` as the Admin addr
|
|
/// @param name The name used to identify the Delegate
|
|
/// @param url The link to the Delegate's profile often an IPFS hash
|
|
/// @param commitTime Sets the length of time in seconds that this delegate
|
|
/// can be vetoed. Whenever this delegate is in a delegate chain the time
|
|
/// allowed to veto any event must be greater than or equal to this time.
|
|
/// @param plugin This is Delegate's liquid pledge plugin allowing for
|
|
/// extended functionality
|
|
/// @return idxDelegate The id number used to reference this Delegate within
|
|
/// the PLEDGE_ADMIN array
|
|
function addDelegate(
|
|
string name,
|
|
string url,
|
|
uint64 commitTime,
|
|
ILiquidPledgingPlugin plugin
|
|
) public returns (uint64 idDelegate)
|
|
{
|
|
require(isValidPlugin(plugin)); // Plugin check
|
|
|
|
idDelegate = uint64(admins.length);
|
|
|
|
admins.push(
|
|
PledgeAdmin(
|
|
PledgeAdminType.Delegate,
|
|
msg.sender,
|
|
name,
|
|
url,
|
|
commitTime,
|
|
0,
|
|
false,
|
|
plugin)
|
|
);
|
|
|
|
_grantPledgeAdminPermission(msg.sender, idDelegate);
|
|
if (address(plugin) != 0) {
|
|
_grantPledgeAdminPermission(address(plugin), idDelegate);
|
|
}
|
|
|
|
DelegateAdded(idDelegate);
|
|
}
|
|
|
|
/// @notice Updates a Delegate's info to change the address, name, url, or
|
|
/// commitTime, it cannot be used to change a plugin, and it must be called
|
|
/// by the current address of the Delegate
|
|
/// @param idDelegate The Admin id number used to specify the Delegate
|
|
/// @param newAddr The new address that represents this Delegate
|
|
/// @param newName The new name used to identify the Delegate
|
|
/// @param newUrl The new link to the Delegate's profile often an IPFS hash
|
|
/// @param newCommitTime Sets the length of time in seconds that this
|
|
/// delegate can be vetoed. Whenever this delegate is in a delegate chain
|
|
/// the time allowed to veto any event must be greater than or equal to
|
|
/// this time.
|
|
function updateDelegate(
|
|
uint64 idDelegate,
|
|
address newAddr,
|
|
string newName,
|
|
string newUrl,
|
|
uint64 newCommitTime
|
|
) authP(PLEDGE_ADMIN_ROLE, arr(uint(idDelegate))) public
|
|
{
|
|
PledgeAdmin storage delegate = _findAdmin(idDelegate);
|
|
require(delegate.adminType == PledgeAdminType.Delegate);
|
|
// require(delegate.addr == msg.sender);// Current addr had to send this tx
|
|
delegate.addr = newAddr;
|
|
delegate.name = newName;
|
|
delegate.url = newUrl;
|
|
delegate.commitTime = newCommitTime;
|
|
|
|
DelegateUpdated(idDelegate);
|
|
}
|
|
|
|
/// @notice Creates a Project Admin with the `msg.sender` as the Admin addr
|
|
/// @param name The name used to identify the Project
|
|
/// @param url The link to the Project's profile often an IPFS hash
|
|
/// @param projectAdmin The address for the trusted project manager
|
|
/// @param parentProject The Admin id number for the parent project or 0 if
|
|
/// there is no parentProject
|
|
/// @param commitTime Sets the length of time in seconds the Project has to
|
|
/// veto when the Project delegates to another Delegate and they pledge
|
|
/// those funds to a project
|
|
/// @param plugin This is Project's liquid pledge plugin allowing for
|
|
/// extended functionality
|
|
/// @return idProject The id number used to reference this Admin
|
|
function addProject(
|
|
string name,
|
|
string url,
|
|
address projectAdmin,
|
|
uint64 parentProject,
|
|
uint64 commitTime,
|
|
ILiquidPledgingPlugin plugin
|
|
) public returns (uint64 idProject)
|
|
{
|
|
require(isValidPlugin(plugin));
|
|
|
|
if (parentProject != 0) {
|
|
PledgeAdmin storage a = _findAdmin(parentProject);
|
|
// require(a.adminType == PledgeAdminType.Project);
|
|
// getProjectLevel will check that parentProject has a `Project` adminType
|
|
require(_getProjectLevel(a) < MAX_SUBPROJECT_LEVEL);
|
|
}
|
|
|
|
idProject = uint64(admins.length);
|
|
|
|
admins.push(
|
|
PledgeAdmin(
|
|
PledgeAdminType.Project,
|
|
projectAdmin,
|
|
name,
|
|
url,
|
|
commitTime,
|
|
parentProject,
|
|
false,
|
|
plugin)
|
|
);
|
|
|
|
_grantPledgeAdminPermission(msg.sender, idProject);
|
|
if (address(plugin) != 0) {
|
|
_grantPledgeAdminPermission(address(plugin), idProject);
|
|
}
|
|
|
|
ProjectAdded(idProject);
|
|
}
|
|
|
|
/// @notice Updates a Project's info to change the address, name, url, or
|
|
/// commitTime, it cannot be used to change a plugin or a parentProject,
|
|
/// and it must be called by the current address of the Project
|
|
/// @param idProject The Admin id number used to specify the Project
|
|
/// @param newAddr The new address that represents this Project
|
|
/// @param newName The new name used to identify the Project
|
|
/// @param newUrl The new link to the Project's profile often an IPFS hash
|
|
/// @param newCommitTime Sets the length of time in seconds the Project has
|
|
/// to veto when the Project delegates to a Delegate and they pledge those
|
|
/// funds to a project
|
|
function updateProject(
|
|
uint64 idProject,
|
|
address newAddr,
|
|
string newName,
|
|
string newUrl,
|
|
uint64 newCommitTime
|
|
) authP(PLEDGE_ADMIN_ROLE, arr(uint(idProject))) public
|
|
{
|
|
PledgeAdmin storage project = _findAdmin(idProject);
|
|
|
|
require(project.adminType == PledgeAdminType.Project);
|
|
// require(project.addr == msg.sender);
|
|
|
|
project.addr = newAddr;
|
|
project.name = newName;
|
|
project.url = newUrl;
|
|
project.commitTime = newCommitTime;
|
|
|
|
ProjectUpdated(idProject);
|
|
}
|
|
|
|
|
|
/////////////////////////////
|
|
// Public constant functions
|
|
/////////////////////////////
|
|
|
|
/// @notice A constant getter used to check how many total Admins exist
|
|
/// @return The total number of admins (Givers, Delegates and Projects) .
|
|
function numberOfPledgeAdmins() public constant returns(uint) {
|
|
return admins.length - 1;
|
|
}
|
|
|
|
/// @notice A constant getter to check the details of a specified Admin
|
|
/// @return addr Account or contract address for admin
|
|
/// @return name Name of the pledgeAdmin
|
|
/// @return url The link to the Project's profile often an IPFS hash
|
|
/// @return commitTime The length of time in seconds the Admin has to veto
|
|
/// when the Admin delegates to a Delegate and that Delegate pledges those
|
|
/// funds to a project
|
|
/// @return parentProject The Admin id number for the parent project or 0
|
|
/// if there is no parentProject
|
|
/// @return canceled 0 for Delegates & Givers, true if a Project has been
|
|
/// canceled
|
|
/// @return plugin This is Project's liquidPledging plugin allowing for
|
|
/// extended functionality
|
|
function getPledgeAdmin(uint64 idAdmin) public view returns (
|
|
PledgeAdminType adminType,
|
|
address addr,
|
|
string name,
|
|
string url,
|
|
uint64 commitTime,
|
|
uint64 parentProject,
|
|
bool canceled,
|
|
address plugin
|
|
) {
|
|
PledgeAdmin storage a = _findAdmin(idAdmin);
|
|
adminType = a.adminType;
|
|
addr = a.addr;
|
|
name = a.name;
|
|
url = a.url;
|
|
commitTime = a.commitTime;
|
|
parentProject = a.parentProject;
|
|
canceled = a.canceled;
|
|
plugin = address(a.plugin);
|
|
}
|
|
|
|
|
|
///////////////////
|
|
// Internal methods
|
|
///////////////////
|
|
|
|
/// @notice A getter to look up a Admin's details
|
|
/// @param idAdmin The id for the Admin to lookup
|
|
/// @return The PledgeAdmin struct for the specified Admin
|
|
function _findAdmin(uint64 idAdmin) internal returns (PledgeAdmin storage) {
|
|
require(idAdmin < admins.length);
|
|
return admins[idAdmin];
|
|
}
|
|
|
|
/// @notice A getter to find if a specified Project has been canceled
|
|
/// @param projectId The Admin id number used to specify the Project
|
|
/// @return True if the Project has been canceled
|
|
function _isProjectCanceled(uint64 projectId)
|
|
internal constant returns (bool)
|
|
{
|
|
PledgeAdmin storage a = _findAdmin(projectId);
|
|
|
|
if (a.adminType == PledgeAdminType.Giver) {
|
|
return false;
|
|
}
|
|
|
|
assert(a.adminType == PledgeAdminType.Project);
|
|
|
|
if (a.canceled) {
|
|
return true;
|
|
}
|
|
if (a.parentProject == 0) {
|
|
return false;
|
|
}
|
|
|
|
return _isProjectCanceled(a.parentProject);
|
|
}
|
|
|
|
/// @notice Find the level of authority a specific Project has
|
|
/// using a recursive loop
|
|
/// @param a The project admin being queried
|
|
/// @return The level of authority a specific Project has
|
|
function _getProjectLevel(PledgeAdmin a) internal returns(uint64) {
|
|
assert(a.adminType == PledgeAdminType.Project);
|
|
|
|
if (a.parentProject == 0) {
|
|
return(1);
|
|
}
|
|
|
|
PledgeAdmin storage parentA = _findAdmin(a.parentProject);
|
|
return _getProjectLevel(parentA) + 1;
|
|
}
|
|
|
|
function _grantPledgeAdminPermission(address _who, uint64 idPledge) internal {
|
|
bytes32 id;
|
|
assembly { id := idPledge }
|
|
|
|
uint[] memory params = new uint[](1);
|
|
params[0] = uint(bytes32(1 << 8 * 30) | id);
|
|
|
|
ACL(kernel.acl()).grantPermissionP(_who, address(this), PLEDGE_ADMIN_ROLE, params);
|
|
}
|
|
} |