Governance Refactor and Bug Fixes

abis/ICxToken.json

@@ -24,19 +24,6 @@
     "name": "Approval",
     "type": "event"
   },
-  {
-    "anonymous": false,
-    "inputs": [
-      {
-        "indexed": false,
-        "internalType": "uint256",
-        "name": "amount",
-        "type": "uint256"
-      }
-    ],
-    "name": "Finalized",
-    "type": "event"
-  },
   {
     "anonymous": false,
     "inputs": [

abis/IPriceDiscovery.json

@@ -1,29 +1,4 @@
 [
-  {
-    "anonymous": false,
-    "inputs": [
-      {
-        "indexed": false,
-        "internalType": "address",
-        "name": "token",
-        "type": "address"
-      },
-      {
-        "indexed": false,
-        "internalType": "address",
-        "name": "stablecoin",
-        "type": "address"
-      },
-      {
-        "indexed": false,
-        "internalType": "uint256",
-        "name": "price",
-        "type": "uint256"
-      }
-    ],
-    "name": "PriceUpdated",
-    "type": "event"
-  },
   {
     "inputs": [],
     "name": "getName",

abis/IVault.json

@@ -80,6 +80,19 @@
     "name": "GovernanceTransfer",
     "type": "event"
   },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "bytes32",
+        "name": "key",
+        "type": "bytes32"
+      }
+    ],
+    "name": "InterestAccrued",
+    "type": "event"
+  },
   {
     "anonymous": false,
     "inputs": [
@@ -156,6 +169,18 @@
         "internalType": "uint256",
         "name": "amount",
         "type": "uint256"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "income",
+        "type": "uint256"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "loss",
+        "type": "uint256"
       }
     ],
     "name": "StrategyReceipt",
@@ -217,6 +242,13 @@
     "name": "Transfer",
     "type": "event"
   },
+  {
+    "inputs": [],
+    "name": "accrueInterest",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
   {
     "inputs": [
       {

contracts/core/Protocol.sol

@@ -9,6 +9,7 @@ import "./ProtoBase.sol";
 
 contract Protocol is IProtocol, ProtoBase {
   using ProtoUtilV1 for bytes;
+  using RegistryLibV1 for IStore;
   using ProtoUtilV1 for IStore;
   using ValidationLibV1 for IStore;
   using StoreKeyUtil for IStore;
@@ -38,27 +39,32 @@ contract Protocol is IProtocol, ProtoBase {
    * @param values[10] resolutionCoolDownPeriod
    */
   function initialize(address[] memory addresses, uint256[] memory values) external override nonReentrant whenNotPaused {
-    // @suppress-initialization Can only be initialized once by the deployer
-    // @suppress-acl Can only be called once by the deployer
+    // @suppress-initialization Can only be initialized by the deployer or an admin
+    // @suppress-acl Can only be called by the deployer or an admin
     s.mustBeProtocolMember(msg.sender);
 
-    require(initialized == 0, "Already initialized");
-    initialized = 1;
+    if (initialized == 1) {
+      AccessControlLibV1.mustBeAdmin(s);
+      require(addresses[3] == address(0), "Can't change NPM");
+    } else {
+      require(addresses[3] != address(0), "Invalid NPM");
+
+      s.setAddressByKey(ProtoUtilV1.CNS_CORE, address(this));
+      s.setBoolByKeys(ProtoUtilV1.NS_CONTRACTS, address(this), true);
+
+      s.setAddressByKey(ProtoUtilV1.CNS_NPM, addresses[3]);
+    }
 
     require(addresses[0] != address(0), "Invalid Burner");
     require(addresses[1] != address(0), "Invalid Uniswap V2 Router");
     require(addresses[2] != address(0), "Invalid Uniswap V2 Factory");
-    require(addresses[3] != address(0), "Invalid NPM");
     require(addresses[4] != address(0), "Invalid Treasury");
-    require(addresses[5] != address(0), "Invalid Vault");
+    require(addresses[5] != address(0), "Invalid Reassurance Vault");
 
-    s.setAddressByKey(ProtoUtilV1.CNS_CORE, address(this));
-    s.setBoolByKeys(ProtoUtilV1.NS_CONTRACTS, address(this), true);
     s.setAddressByKey(ProtoUtilV1.CNS_BURNER, addresses[0]);
 
     s.setAddressByKey(ProtoUtilV1.CNS_UNISWAP_V2_ROUTER, addresses[1]);
     s.setAddressByKey(ProtoUtilV1.CNS_UNISWAP_V2_FACTORY, addresses[2]);
-    s.setAddressByKey(ProtoUtilV1.CNS_NPM, addresses[3]);
     s.setAddressByKey(ProtoUtilV1.CNS_TREASURY, addresses[4]);
     s.setAddressByKey(ProtoUtilV1.CNS_REASSURANCE_VAULT, addresses[5]);
 
@@ -74,6 +80,7 @@ contract Protocol is IProtocol, ProtoBase {
     s.setUintByKey(ProtoUtilV1.NS_COVER_LIQUIDITY_FLASH_LOAN_FEE_PROTOCOL, values[9]);
     s.setUintByKey(ProtoUtilV1.NS_RESOLUTION_COOL_DOWN_PERIOD, values[10]);
 
+    initialized = 1;
     emit Initialized(addresses, values);
   }
 
@@ -95,6 +102,9 @@ contract Protocol is IProtocol, ProtoBase {
     // @suppress-address-trust-issue Although the `contractAddress` can't be trusted, the upgrade admin has to check the contract code manually.
     s.mustNotBePaused();
     AccessControlLibV1.mustBeUpgradeAgent(s);
+    address current = s.getProtocolContract(namespace);
+
+    require(current == address(0), "Please upgrade contract");
 
     s.addContractInternal(namespace, contractAddress);
     emit ContractAdded(namespace, contractAddress);

contracts/core/claims/Processor.sol

@@ -122,6 +122,9 @@ contract Processor is IClaimsProcessor, Recoverable {
   function setClaimPeriod(bytes32 key, uint256 value) external override nonReentrant {
     s.mustNotBePaused();
     AccessControlLibV1.mustBeCoverManager(s);
+
+    require(value > 0, "Please specify value");
+
     uint256 previous;
 
     if (key > 0) {

contracts/core/cxToken/cxToken.sol

@@ -59,6 +59,8 @@ contract cxToken is ICxToken, Recoverable, ERC20 {
   ) external override nonReentrant {
     // @suppress-acl Can only be called by the latest policy contract
     s.mustNotBePaused();
+
+    require(amount > 0, "Please specify amount");
     require(key == coverKey, "Invalid cover");
     s.callerMustBePolicyContract();
 
@@ -71,6 +73,7 @@ contract cxToken is ICxToken, Recoverable, ERC20 {
    */
   function burn(uint256 amount) external override nonReentrant {
     // @suppress-acl Marking this as publicly accessible
+    require(amount > 0, "Please specify amount");
 
     s.mustNotBePaused();
     super._burn(msg.sender, amount);

contracts/core/cxToken/cxTokenFactory.sol

@@ -52,6 +52,8 @@ contract cxTokenFactory is ICxTokenFactory, Recoverable {
     s.mustBeValidCoverKey(key);
     s.callerMustBePolicyContract();
 
+    require(expiryDate > 0, "Please specify expiry date");
+
     (bytes memory bytecode, bytes32 salt) = cxTokenFactoryLibV1.getByteCode(s, key, expiryDate, _getTokenName(key), _getTokenSymbol());
 
     require(s.getAddress(salt) == address(0), "Already deployed");

contracts/core/governance/Reporter.sol

@@ -85,6 +85,7 @@ abstract contract Reporter is IReporter, Witness {
   function setFirstReportingStake(uint256 value) external override nonReentrant {
     s.mustNotBePaused();
     AccessControlLibV1.mustBeCoverManager(s);
+    require(value > 0, "Please specify value");
 
     uint256 previous = s.getUintByKey(ProtoUtilV1.NS_GOVERNANCE_REPORTING_MIN_FIRST_STAKE);
     s.setUintByKey(ProtoUtilV1.NS_GOVERNANCE_REPORTING_MIN_FIRST_STAKE, value);
@@ -101,6 +102,8 @@ abstract contract Reporter is IReporter, Witness {
   }
 
   function setReportingBurnRate(uint256 value) external override nonReentrant {
+    require(value > 0, "Please specify value");
+
     s.mustNotBePaused();
     AccessControlLibV1.mustBeCoverManager(s);
 
@@ -113,6 +116,7 @@ abstract contract Reporter is IReporter, Witness {
   function setReporterCommission(uint256 value) external override nonReentrant {
     s.mustNotBePaused();
     AccessControlLibV1.mustBeCoverManager(s);
+    require(value > 0, "Please specify value");
 
     uint256 previous = s.getUintByKey(ProtoUtilV1.NS_GOVERNANCE_REPORTER_COMMISSION);
     s.setUintByKey(ProtoUtilV1.NS_GOVERNANCE_REPORTER_COMMISSION, value);

contracts/core/governance/resolution/Finalization.sol

@@ -28,6 +28,7 @@ abstract contract Finalization is Recoverable, IFinalization {
   function finalize(bytes32 key, uint256 incidentDate) external override nonReentrant {
     s.mustNotBePaused();
     AccessControlLibV1.mustBeGovernanceAgent(s);
+    require(incidentDate > 0, "Please specify incident date");
 
     s.mustBeClaimingOrDisputed(key);
     s.mustBeValidIncidentDate(key, incidentDate);
@@ -39,7 +40,9 @@ abstract contract Finalization is Recoverable, IFinalization {
 
   function _finalize(bytes32 key, uint256 incidentDate) internal {
     // Reset to normal
-    s.setStatus(key, CoverUtilV1.CoverStatus.Normal);
+    // @note: do not pass incident date as we need status by key and incident date for historical significance
+    s.setStatusInternal(key, 0, CoverUtilV1.CoverStatus.Normal);
+
     s.deleteUintByKeys(ProtoUtilV1.NS_GOVERNANCE_REPORTING_INCIDENT_DATE, key);
     s.deleteUintByKeys(ProtoUtilV1.NS_GOVERNANCE_RESOLUTION_TS, key);
     s.deleteUintByKeys(ProtoUtilV1.NS_CLAIM_BEGIN_TS, key);

contracts/core/governance/resolution/Resolvable.sol

@@ -23,6 +23,8 @@ abstract contract Resolvable is Finalization, IResolvable {
   using NTransferUtilV2 for IERC20;
 
   function resolve(bytes32 key, uint256 incidentDate) external override nonReentrant {
+    require(incidentDate > 0, "Please specify incident date");
+
     s.mustNotBePaused();
     AccessControlLibV1.mustBeGovernanceAgent(s);
     s.mustBeReportingOrDisputed(key);
@@ -40,6 +42,8 @@ abstract contract Resolvable is Finalization, IResolvable {
     uint256 incidentDate,
     bool decision
   ) external override nonReentrant {
+    require(incidentDate > 0, "Please specify incident date");
+
     s.mustNotBePaused();
     AccessControlLibV1.mustBeGovernanceAdmin(s);
     s.mustBeValidIncidentDate(key, incidentDate);
@@ -94,7 +98,7 @@ abstract contract Resolvable is Finalization, IResolvable {
     s.setUintByKeys(ProtoUtilV1.NS_CLAIM_EXPIRY_TS, key, claimExpiresAt);
 
     // Status can change during `Emergency Resolution` attempt(s)
-    s.setStatus(key, status);
+    s.setStatusInternal(key, incidentDate, status);
 
     if (deadline == 0) {
       // Deadline can't be before claim begin date.
@@ -114,6 +118,8 @@ abstract contract Resolvable is Finalization, IResolvable {
     AccessControlLibV1.mustBeGovernanceAdmin(s);
     s.mustHaveNormalCoverStatus(key);
 
+    require(period > 0, "Please specify period");
+
     if (key > 0) {
       s.setUintByKeys(ProtoUtilV1.NS_RESOLUTION_COOL_DOWN_PERIOD, key, period);
     } else {

contracts/core/governance/resolution/Unstakable.sol

@@ -30,6 +30,8 @@ abstract contract Unstakable is Resolvable, IUnstakable {
    * @param incidentDate Enter the incident date
    */
   function unstake(bytes32 key, uint256 incidentDate) external override nonReentrant {
+    require(incidentDate > 0, "Please specify incident date");
+
     // @suppress-acl Marking this as publicly accessible
     // @suppress-pausable Already checked inside `validateUnstakeWithoutClaim`
     s.validateUnstakeWithoutClaim(key, incidentDate);
@@ -71,8 +73,14 @@ abstract contract Unstakable is Resolvable, IUnstakable {
     uint256 myStakeWithReward = myReward + myStakeInWinningCamp;
 
     s.npmToken().ensureTransfer(msg.sender, myStakeWithReward);
-    s.npmToken().ensureTransfer(finalReporter, toReporter);
-    s.npmToken().ensureTransfer(burner, toBurn);
+
+    if (toReporter > 0) {
+      s.npmToken().ensureTransfer(finalReporter, toReporter);
+    }
+
+    if (toBurn > 0) {
+      s.npmToken().ensureTransfer(burner, toBurn);
+    }
 
     s.updateStateAndLiquidity(key);
 

contracts/core/lifecycle/CoverBase.sol

@@ -42,6 +42,8 @@ abstract contract CoverBase is ICover, Recoverable {
   }
 
   function setCoverFees(uint256 value) external override nonReentrant {
+    require(value > 0, "Please specify value");
+
     s.mustNotBePaused();
     AccessControlLibV1.mustBeCoverManager(s);
 
@@ -50,6 +52,8 @@ abstract contract CoverBase is ICover, Recoverable {
   }
 
   function setMinCoverCreationStake(uint256 value) external override nonReentrant {
+    require(value > 0, "Please specify value");
+
     s.mustNotBePaused();
     AccessControlLibV1.mustBeCoverManager(s);
 
@@ -58,6 +62,8 @@ abstract contract CoverBase is ICover, Recoverable {
   }
 
   function setMinStakeToAddLiquidity(uint256 value) external override nonReentrant {
+    require(value > 0, "Please specify value");
+
     s.mustNotBePaused();
     AccessControlLibV1.mustBeCoverManager(s);
 

contracts/core/lifecycle/CoverProvision.sol

@@ -37,6 +37,8 @@ contract CoverProvision is ICoverProvision, Recoverable {
    * @param amount Specify the amount of NPM tokens you would like to add
    */
   function increaseProvision(bytes32 key, uint256 amount) external override nonReentrant {
+    require(amount > 0, "Please specify amount");
+
     s.mustNotBePaused();
     AccessControlLibV1.mustBeLiquidityManager(s);
 
@@ -53,9 +55,10 @@ contract CoverProvision is ICoverProvision, Recoverable {
    * @param amount Specify the amount of NPM tokens you would like to decrease
    */
   function decreaseProvision(bytes32 key, uint256 amount) external override nonReentrant {
+    require(amount > 0, "Please specify amount");
+
     s.mustNotBePaused();
     AccessControlLibV1.mustBeLiquidityManager(s);
-
     s.mustHaveNormalCoverStatus(key);
 
     uint256 provision = s.decreaseProvisionInternal(key, amount);

contracts/core/lifecycle/CoverReassurance.sol

@@ -67,9 +67,10 @@ contract CoverReassurance is ICoverReassurance, Recoverable {
   function setWeight(bytes32 key, uint256 weight) external override nonReentrant {
     s.mustNotBePaused();
     AccessControlLibV1.mustBeLiquidityManager(s);
-
     s.mustBeValidCoverKey(key);
 
+    require(weight > 0, "Please specify weight");
+
     s.setUintByKeys(ProtoUtilV1.NS_COVER_REASSURANCE_WEIGHT, key, weight);
 
     s.updateStateAndLiquidity(key);

contracts/core/lifecycle/CoverStake.sol

@@ -89,6 +89,7 @@ contract CoverStake is ICoverStake, Recoverable {
     s.callerMustBeCoverContract();
 
     uint256 drawingPower = _getDrawingPower(key, account);
+    require(amount > 0, "Please specify amount");
     require(drawingPower >= amount, "Exceeds your drawing power");
 
     // @suppress-subtraction

contracts/core/liquidity/LiquidityEngine.sol

@@ -38,6 +38,9 @@ contract LiquidityEngine is ILiquidityEngine, Recoverable {
     uint256 lendingPeriod,
     uint256 withdrawalWindow
   ) external override nonReentrant {
+    require(lendingPeriod > 0, "Please specify lending period");
+    require(withdrawalWindow > 0, "Please specify withdrawal window");
+
     s.mustNotBePaused();
     AccessControlLibV1.mustBeLiquidityManager(s);
 
@@ -48,6 +51,8 @@ contract LiquidityEngine is ILiquidityEngine, Recoverable {
     s.mustNotBePaused();
     AccessControlLibV1.mustBeLiquidityManager(s);
 
+    require(withdrawalWindow > 0, "Please specify withdrawal window");
+
     s.setLendingPeriodsInternal(0, lendingPeriod, withdrawalWindow);
   }