feat: add weight boost providers

Author: skhomuti

script/curated/DeployBase.s.sol

@@ -27,6 +27,8 @@ import { BaseOracle } from "../../src/lib/base-oracle/BaseOracle.sol";
 import { IVerifier } from "../../src/interfaces/IVerifier.sol";
 import { IParametersRegistry } from "../../src/interfaces/IParametersRegistry.sol";
 import { IBondCurve } from "../../src/interfaces/IBondCurve.sol";
+import { IMetaRegistry } from "../../src/interfaces/IMetaRegistry.sol";
+import { IWeightBoostProvider } from "../../src/interfaces/IWeightBoostProvider.sol";
 
 import { JsonObj, Json } from "../utils/Json.sol";
 import { Dummy } from "../utils/Dummy.sol";
@@ -348,6 +350,10 @@ abstract contract DeployBase is Script {
 
             accounting.grantRole(accounting.MANAGE_BOND_CURVES_ROLE(), address(deployer));
             accounting.grantRole(accounting.SET_BOND_CURVE_MULTIPLIER_ROLE(), address(additionalBondRegistry));
+            metaRegistry.addWeightBoostProvider(
+                IWeightBoostProvider(address(additionalBondRegistry)),
+                IMetaRegistry.WeightBoostProviderMode.NodeOperator
+            );
             metaRegistry.grantRole(metaRegistry.SET_BOND_CURVE_WEIGHT_ROLE(), deployer);
 
             for (uint256 i = 0; i < gatesCount; i++) {

src/Accounting.sol

@@ -15,7 +15,6 @@ import { PausableWithRoles } from "./abstract/PausableWithRoles.sol";
 
 import { AssetRecovererLib } from "./lib/AssetRecovererLib.sol";
 
-import { IStakingModule } from "./interfaces/IStakingModule.sol";
 import { IBaseModule, NodeOperatorManagementProperties } from "./interfaces/IBaseModule.sol";
 import { IAccounting } from "./interfaces/IAccounting.sol";
 import { IFeeDistributor } from "./interfaces/IFeeDistributor.sol";
@@ -614,7 +613,7 @@ contract Accounting is
     }
 
     function _onlyExistingNodeOperator(uint256 nodeOperatorId) internal view {
-        if (nodeOperatorId < IStakingModule(address(MODULE)).getNodeOperatorsCount()) return;
+        if (nodeOperatorId < MODULE.getNodeOperatorsCount()) return;
 
         revert NodeOperatorDoesNotExist();
     }

src/AdditionalBondRegistry.sol

@@ -10,6 +10,7 @@ import { IAccounting } from "./interfaces/IAccounting.sol";
 import { ICuratedModule } from "./interfaces/ICuratedModule.sol";
 import { IMetaRegistry } from "./interfaces/IMetaRegistry.sol";
 import { IAdditionalBondRegistry, TierInfo, OperatorTierState } from "./interfaces/IAdditionalBondRegistry.sol";
+import { IWeightBoostProvider } from "./interfaces/IWeightBoostProvider.sol";
 import { MAX_BP } from "./lib/Constants.sol";
 
 /// @notice Manages operator tiers.
@@ -96,7 +97,7 @@ contract AdditionalBondRegistry is IAdditionalBondRegistry, Initializable, Acces
         $.operatorTier[nodeOperatorId] = tierId;
         emit TierSelected(nodeOperatorId, tierId);
 
-        META_REGISTRY.refreshOperatorWeight(nodeOperatorId);
+        META_REGISTRY.notifyWeightBoostChanged(nodeOperatorId);
     }
 
     /// @inheritdoc IAdditionalBondRegistry
@@ -127,6 +128,12 @@ contract AdditionalBondRegistry is IAdditionalBondRegistry, Initializable, Acces
         state.curveMultiplier = ACCOUNTING.getBondCurveMultiplier(nodeOperatorId);
     }
 
+    /// @inheritdoc IWeightBoostProvider
+    function getWeightBoostMultiplierBP(uint256 nodeOperatorId) external view returns (uint256 multiplierBP) {
+        AdditionalBondRegistryStorage storage $ = _storage();
+        multiplierBP = MAX_BP + $.tiers[$.operatorTier[nodeOperatorId]].weightMultiplier;
+    }
+
     /// @inheritdoc IAdditionalBondRegistry
     function getTierInfo(uint256 tierId) public view returns (TierInfo memory) {
         AdditionalBondRegistryStorage storage $ = _storage();