external getStakeholderIndex view

Author: kckplural

chain/script/DeployFactory.s.sol

@@ -64,11 +64,12 @@ library LibDeployment {
             return FacetCutInfo({ name: "IssuerFacet", selectors: selectors });
         }
         if (facetType == FacetType.Stakeholder) {
-            bytes4[] memory selectors = new bytes4[](4);
+            bytes4[] memory selectors = new bytes4[](5);
             selectors[0] = StakeholderFacet.createStakeholder.selector;
             selectors[1] = StakeholderFacet.getStakeholderPositions.selector;
             selectors[2] = StakeholderFacet.linkStakeholderAddress.selector;
             selectors[3] = StakeholderFacet.getStakeholderId.selector;
+            selectors[4] = StakeholderFacet.getStakeholderIndex.selector;
             return FacetCutInfo({ name: "StakeholderFacet", selectors: selectors });
         }
         if (facetType == FacetType.StockClass) {

chain/src/facets/StakeholderFacet.sol

@@ -70,6 +70,11 @@ contract StakeholderFacet {
         return stakeholder_id;
     }
 
+    /// @notice Get stakeholder idx for a stakeholder id
+    function getStakeholderIndex(bytes16 stakeholder_id) external view returns (uint256) {
+        return StorageLib.get().stakeholderIndex[stakeholder_id];
+    }
+
     /// @notice Get all positions for a stakeholder
     /// @dev INVESTOR_ROLE can only view their own positions, OPERATOR_ROLE and above can view any
     function getStakeholderPositions(bytes16 stakeholder_id) external view returns (StakeholderPositions memory) {

chain/src/interfaces/IStakeholderFacet.sol

@@ -41,6 +41,9 @@ interface IStakeholderFacet {
     /// @param ensure_exists If true, will revert if the address is not linked to a stakeholder
     function getStakeholderId(address wallet_address, bool ensure_exists) external view returns (bytes16);
 
+    /// @notice Get stakeholder idx for a stakeholder id
+    function getStakeholderIndex(bytes16 stakeholder_id) external view returns (uint256);
+
     /// @notice Get all positions for a stakeholder
     /// @dev INVESTOR_ROLE can only view their own positions, OPERATOR_ROLE and above can view any
     /// @param stakeholder_id The stakeholder to get positions for

chain/test/StakeholderPositions.t.sol

@@ -107,6 +107,9 @@ contract DiamondStakeholderPositionsTest is DiamondTestBase {
         // Ensure it exists
         id = sf.getStakeholderId(wallet, true);
         assertNotEq(id, bytes16(0));
+
+        // Ensure it returns a non-0 idx
+        assertGt(sf.getStakeholderIndex(id), 0);
     }
 
     function testGetStakeholderPositions() public {