Introduce Korporatio extension WIP

contracts/extensions/Korporatio.sol

@@ -0,0 +1,198 @@
+/*
+  This file is part of The Colony Network.
+
+  The Colony Network 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.
+
+  The Colony Network 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 The Colony Network. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+pragma solidity 0.7.3;
+pragma experimental ABIEncoderV2;
+
+import "./../../lib/dappsys/erc20.sol";
+import "./../colonyNetwork/IColonyNetwork.sol";
+import "./ColonyExtensionMeta.sol";
+
+// ignore-file-swc-108
+
+
+contract Korporatio is ColonyExtensionMeta {
+
+  // Constants
+
+  // Events
+
+  event StakeSubmitted(uint256 indexed stakeId, address indexed staker);
+  event StakeCancelled(uint256 indexed stakeId);
+  event StakeReclaimed(uint256 indexed stakeId);
+  event StakeSlashed(uint256 indexed stakeId);
+
+  // Data structures
+
+  struct Stake {
+    address staker;
+    uint256 amount;
+    uint256 cancelledAt;
+  }
+
+  // Storage
+
+  address colonyNetworkAddress;
+  uint256 stakeFraction;
+  uint256 claimDelay;
+
+  uint256 numStakes;
+  mapping (uint256 => Stake) stakes;
+
+  // Modifiers
+
+  modifier onlyRootArchitect() {
+    require(
+      colony.hasUserRole(msgSender(), 1, ColonyDataTypes.ColonyRole.Architecture),
+      "ux-gate-caller-not-root-architect"
+    );
+    _;
+  }
+
+  // Overrides
+
+  /// @notice Returns the identifier of the extension
+  function identifier() public override pure returns (bytes32) {
+    return keccak256("Korporatio");
+  }
+
+  /// @notice Returns the version of the extension
+  function version() public override pure returns (uint256) {
+    return 1;
+  }
+
+  /// @notice Configures the extension
+  /// @param _colony The colony in which the extension holds permissions
+  function install(address _colony) public override auth {
+    require(address(colony) == address(0x0), "extension-already-installed");
+
+    colony = IColony(_colony);
+    colonyNetworkAddress = colony.getColonyNetwork();
+  }
+
+  /// @notice Called when upgrading the extension
+  function finishUpgrade() public override auth {}
+
+  /// @notice Called when deprecating (or undeprecating) the extension
+  function deprecate(bool _deprecated) public override auth {
+    deprecated = _deprecated;
+  }
+
+  /// @notice Called when uninstalling the extension
+  function uninstall() public override auth {
+    selfdestruct(address(uint160(address(colony))));
+  }
+
+  // Public
+
+  function setStakeFraction(uint256 _stakeFraction) public onlyRootArchitect {
+    stakeFraction = _stakeFraction;
+  }
+
+  function setClaimDelay(uint256 _claimDelay) public onlyRootArchitect {
+    claimDelay = _claimDelay;
+  }
+
+  function submitStake(
+    bytes memory _colonyKey,
+    bytes memory _colonyValue,
+    uint256 _colonyBranchMask,
+    bytes32[] memory _colonySiblings,
+    bytes memory _userKey,
+    bytes memory _userValue,
+    uint256 _userBranchMask,
+    bytes32[] memory _userSiblings
+  )
+    public
+    notDeprecated
+  {
+    bytes32 rootHash = IColonyNetwork(colonyNetworkAddress).getReputationRootHash();
+    uint256 rootSkillId = colony.getDomain(1).skillId;
+
+    uint256 colonyReputation = checkReputation(rootHash, rootSkillId, address(0x0), _colonyKey, _colonyValue, _colonyBranchMask, _colonySiblings);
+    uint256 userReputation = checkReputation(rootHash, rootSkillId, msgSender(), _userKey, _userValue, _userBranchMask, _userSiblings);
+
+    uint256 requiredStake = wmul(colonyReputation, stakeFraction);
+    require(userReputation >= requiredStake, "ux-gate-insufficient-rep");
+
+    stakes[++numStakes] = Stake({
+      staker: msgSender(),
+      amount: requiredStake,
+      cancelledAt: UINT256_MAX
+    });
+
+    colony.obligateStake(msgSender(), 1, requiredStake);
+
+    emit StakeSubmitted(numStakes, msgSender());
+  }
+
+  function cancelStake(uint256 _stakeId) public {
+    require(stakes[_stakeId].staker == msgSender(), "ux-gate-cannot-cancel");
+
+    stakes[_stakeId].cancelledAt = block.timestamp;
+
+    emit StakeCancelled(_stakeId);
+  }
+
+  function reclaimStake(uint256 _stakeId) public {
+    Stake storage stake = stakes[_stakeId];
+    require(stake.cancelledAt + claimDelay <= block.timestamp, "ux-gate-cannot-reclaim");
+
+    uint256 stakeAmount = stake.amount;
+    colony.deobligateStake(msgSender(), 1, stakeAmount);
+
+    delete stakes[_stakeId];
+
+    emit StakeReclaimed(_stakeId);
+  }
+
+  function slashStake(uint256 _stakeId, bool _punish) public {
+    require(stakes[_stakeId].amount > 0, "ux-gate-cannot-slash");
+
+    require(
+      colony.hasInheritedUserRole(msgSender(), 1, ColonyDataTypes.ColonyRole.Arbitration, UINT256_MAX, 1),
+      "staked-expenditure-caller-not-arbitration"
+    );
+
+    address staker = stakes[_stakeId].staker;
+    uint256 amount = stakes[_stakeId].amount;
+    delete stakes[_stakeId];
+
+    colony.transferStake(1, UINT256_MAX, address(this), staker, 1, amount, address(0x0));
+    if (_punish) { colony.emitDomainReputationPenalty(1, UINT256_MAX, 1, staker, -int256(amount)); }
+
+    emit StakeSlashed(_stakeId);
+  }
+
+  // View
+
+  function getNumStakes() external view returns (uint256) {
+    return numStakes;
+  }
+
+  function getStakeFraction() external view returns (uint256) {
+    return stakeFraction;
+  }
+
+  function getClaimDelay() external view returns (uint256) {
+    return claimDelay;
+  }
+
+  function getStake(uint256 _id) external view returns (Stake memory stake) {
+    return stakes[_id];
+  }
+}

migrations/9_setup_extensions.js

@@ -15,6 +15,7 @@ const VotingReputation = artifacts.require("./VotingReputation");
 const VotingReputationMisalignedRecovery = artifacts.require("./VotingReputationMisalignedRecovery");
 const TokenSupplier = artifacts.require("./TokenSupplier");
 const Whitelist = artifacts.require("./Whitelist");
+const Korporatio = artifacts.require("./Korporatio");
 
 const Resolver = artifacts.require("./Resolver");
 const EtherRouter = artifacts.require("./EtherRouter");
@@ -53,4 +54,5 @@ module.exports = async function (deployer, network, accounts) {
   await addExtension(colonyNetwork, "TokenSupplier", "TokenSupplier", [TokenSupplier]);
   await addExtension(colonyNetwork, "IVotingReputation", "VotingReputation", [VotingReputation, VotingReputationMisalignedRecovery]);
   await addExtension(colonyNetwork, "Whitelist", "Whitelist", [Whitelist]);
+  await addExtension(colonyNetwork, "Korporatio", "Korporatio", [Korporatio]);
 };

scripts/check-recovery.js

@@ -53,6 +53,7 @@ walkSync("./contracts/").forEach((contractName) => {
       "contracts/extensions/EvaluatedExpenditure.sol",
       "contracts/extensions/StakedExpenditure.sol",
       "contracts/extensions/FundingQueue.sol",
+      "contracts/extensions/Korporatio.sol",
       "contracts/extensions/OneTxPayment.sol",
       "contracts/extensions/ReputationBootstrapper.sol",
       "contracts/extensions/StreamingPayments.sol",

scripts/check-storage.js

@@ -33,6 +33,7 @@ walkSync("./contracts/").forEach((contractName) => {
       "contracts/extensions/FundingQueue.sol",
       "contracts/extensions/ColonyExtension.sol",
       "contracts/extensions/ColonyExtensionMeta.sol",
+      "contracts/extensions/Korporatio.sol",
       "contracts/extensions/OneTxPayment.sol",
       "contracts/extensions/ReputationBootstrapper.sol",
       "contracts/extensions/StreamingPayments.sol",