deploy returns the hook address

src/JB721TiersHookProjectDeployer.sol

@@ -63,6 +63,7 @@ contract JB721TiersHookProjectDeployer is JBPermissioned, IJB721TiersHookProject
     /// @param launchProjectConfig Configuration which dictates the behavior of the project which is being launched.
     /// @param controller The controller that the project's rulesets will be queued with.
     /// @return projectId The ID of the newly launched project.
+    /// @return hook The 721 tiers hook that was deployed for the project.
     function launchProjectFor(
         address owner,
         JBDeploy721TiersHookConfig calldata deployTiersHookConfig,
@@ -71,13 +72,13 @@ contract JB721TiersHookProjectDeployer is JBPermissioned, IJB721TiersHookProject
     )
         external
         override
-        returns (uint256 projectId)
+        returns (uint256 projectId, IJB721TiersHook hook)
     {
         // Get the project's ID, optimistically knowing it will be one greater than the current number of projects.
         projectId = DIRECTORY.PROJECTS().count() + 1;
 
         // Deploy the hook.
-        IJB721TiersHook hook = HOOK_DEPLOYER.deployHookFor(projectId, deployTiersHookConfig);
+        hook = HOOK_DEPLOYER.deployHookFor(projectId, deployTiersHookConfig);
 
         // Launch the project.
         _launchProjectFor(owner, launchProjectConfig, hook, controller);
@@ -94,6 +95,7 @@ contract JB721TiersHookProjectDeployer is JBPermissioned, IJB721TiersHookProject
     /// @param launchRulesetsConfig Configuration which dictates the project's new rulesets.
     /// @param controller The controller that the project's rulesets will be queued with.
     /// @return rulesetId The ID of the successfully created ruleset.
+    /// @return hook The 721 tiers hook that was deployed for the project.
     function launchRulesetsFor(
         uint256 projectId,
         JBDeploy721TiersHookConfig calldata deployTiersHookConfig,
@@ -102,7 +104,7 @@ contract JB721TiersHookProjectDeployer is JBPermissioned, IJB721TiersHookProject
     )
         external
         override
-        returns (uint256 rulesetId)
+        returns (uint256 rulesetId, IJB721TiersHook hook)
     {
         // Enforce permissions.
         _requirePermissionFrom({
@@ -112,13 +114,13 @@ contract JB721TiersHookProjectDeployer is JBPermissioned, IJB721TiersHookProject
         });
 
         // Deploy the hook.
-        IJB721TiersHook hook = HOOK_DEPLOYER.deployHookFor(projectId, deployTiersHookConfig);
+        hook = HOOK_DEPLOYER.deployHookFor(projectId, deployTiersHookConfig);
 
         // Transfer the hook's ownership to the project.
         JBOwnable(address(hook)).transferOwnershipToProject(projectId);
 
         // Launch the rulesets.
-        return _launchRulesetsFor(projectId, launchRulesetsConfig, hook, controller);
+        rulesetId = _launchRulesetsFor(projectId, launchRulesetsConfig, hook, controller);
     }
 
     /// @notice Queues rulesets for a project with an attached 721 tiers hook.
@@ -129,6 +131,7 @@ contract JB721TiersHookProjectDeployer is JBPermissioned, IJB721TiersHookProject
     /// @param queueRulesetsConfig Configuration which dictates the project's newly queued rulesets.
     /// @param controller The controller that the project's rulesets will be queued with.
     /// @return rulesetId The ID of the successfully created ruleset.
+    /// @return hook The 721 tiers hook that was deployed for the project.
     function queueRulesetsOf(
         uint256 projectId,
         JBDeploy721TiersHookConfig calldata deployTiersHookConfig,
@@ -137,7 +140,7 @@ contract JB721TiersHookProjectDeployer is JBPermissioned, IJB721TiersHookProject
     )
         external
         override
-        returns (uint256 rulesetId)
+        returns (uint256 rulesetId, IJB721TiersHook hook)
     {
         // Enforce permissions.
         _requirePermissionFrom({
@@ -147,13 +150,13 @@ contract JB721TiersHookProjectDeployer is JBPermissioned, IJB721TiersHookProject
         });
 
         // Deploy the hook.
-        IJB721TiersHook hook = HOOK_DEPLOYER.deployHookFor(projectId, deployTiersHookConfig);
+        hook = HOOK_DEPLOYER.deployHookFor(projectId, deployTiersHookConfig);
 
         // Transfer the hook's ownership to the project.
         JBOwnable(address(hook)).transferOwnershipToProject(projectId);
 
         // Queue the rulesets.
-        return _queueRulesetsOf(projectId, queueRulesetsConfig, hook, controller);
+        rulesetId = _queueRulesetsOf(projectId, queueRulesetsConfig, hook, controller);
     }
 
     //*********************************************************************//

src/interfaces/IJB721TiersHookProjectDeployer.sol

@@ -4,6 +4,7 @@ pragma solidity ^0.8.0;
 import {IJBDirectory} from "@bananapus/core/src/interfaces/IJBDirectory.sol";
 import {IJBController} from "@bananapus/core/src/interfaces/IJBController.sol";
 
+import {IJB721TiersHook} from "./IJB721TiersHook.sol";
 import {IJB721TiersHookDeployer} from "./IJB721TiersHookDeployer.sol";
 import {JBDeploy721TiersHookConfig} from "../structs/JBDeploy721TiersHookConfig.sol";
 import {JBLaunchProjectConfig} from "../structs/JBLaunchProjectConfig.sol";
@@ -21,7 +22,7 @@ interface IJB721TiersHookProjectDeployer {
         IJBController controller
     )
         external
-        returns (uint256 projectId);
+        returns (uint256 projectId, IJB721TiersHook hook);
 
     function launchRulesetsFor(
         uint256 projectId,
@@ -30,7 +31,7 @@ interface IJB721TiersHookProjectDeployer {
         IJBController controller
     )
         external
-        returns (uint256 rulesetId);
+        returns (uint256 rulesetId, IJB721TiersHook hook);
 
     function queueRulesetsOf(
         uint256 projectId,
@@ -39,5 +40,5 @@ interface IJB721TiersHookProjectDeployer {
         IJBController controller
     )
         external
-        returns (uint256 rulesetId);
+        returns (uint256 rulesetId, IJB721TiersHook hook);
 }

test/E2E/Pay_Mint_Redeem_E2E.t.sol

@@ -71,11 +71,13 @@ contract Test_TiersHook_E2E is TestBaseWorkflow {
     function testLaunchProjectAndAddHookToRegistry() external {
         (JBDeploy721TiersHookConfig memory tiersHookConfig, JBLaunchProjectConfig memory launchProjectConfig) =
             createData();
-        uint256 projectId = deployer.launchProjectFor(projectOwner, tiersHookConfig, launchProjectConfig, jbController);
+        (uint256 projectId, IJB721TiersHook _hook) =
+            deployer.launchProjectFor(projectOwner, tiersHookConfig, launchProjectConfig, jbController);
         // Check: is the first project's ID 1?
         assertEq(projectId, 1);
         // Check: was the hook added to the address registry?
         address dataHook = jbRulesets.currentOf(projectId).dataHook();
+        assertEq(address(_hook), dataHook);
         assertEq(addressRegistry.deployerOf(dataHook), address(deployer.HOOK_DEPLOYER()));
     }
 
@@ -85,7 +87,8 @@ contract Test_TiersHook_E2E is TestBaseWorkflow {
         uint256 highestTier = valueSent <= 100 ? (valueSent / 10) : 10;
         (JBDeploy721TiersHookConfig memory tiersHookConfig, JBLaunchProjectConfig memory launchProjectConfig) =
             createData();
-        uint256 projectId = deployer.launchProjectFor(projectOwner, tiersHookConfig, launchProjectConfig, jbController);
+        (uint256 projectId, IJB721TiersHook _hook) =
+            deployer.launchProjectFor(projectOwner, tiersHookConfig, launchProjectConfig, jbController);
 
         // Crafting the payment metadata: add the highest tier ID.
         uint16[] memory rawMetadata = new uint16[](1);
@@ -96,7 +99,7 @@ contract Test_TiersHook_E2E is TestBaseWorkflow {
         data[0] = abi.encode(true, rawMetadata);
 
         address dataHook = jbRulesets.currentOf(projectId).dataHook();
-
+        assertEq(address(_hook), dataHook);
         // Pass the hook ID.
         bytes4[] memory ids = new bytes4[](1);
         ids[0] = JBMetadataResolver.getId("pay", address(hook));
@@ -165,7 +168,8 @@ contract Test_TiersHook_E2E is TestBaseWorkflow {
 
         (JBDeploy721TiersHookConfig memory tiersHookConfig, JBLaunchProjectConfig memory launchProjectConfig) =
             createDiscountedData(tierStartPrice, uint8(discountPercent));
-        uint256 projectId = deployer.launchProjectFor(projectOwner, tiersHookConfig, launchProjectConfig, jbController);
+        (uint256 projectId, IJB721TiersHook _hook) =
+            deployer.launchProjectFor(projectOwner, tiersHookConfig, launchProjectConfig, jbController);
 
         // Crafting the payment metadata: add the highest tier ID.
         uint16[] memory rawMetadata = new uint16[](1);
@@ -176,13 +180,16 @@ contract Test_TiersHook_E2E is TestBaseWorkflow {
         data[0] = abi.encode(true, rawMetadata);
 
         address dataHook = jbRulesets.currentOf(projectId).dataHook();
+        assertEq(address(_hook), dataHook);
+        bytes memory hookMetadata;
+        {
+            // Pass the hook ID.
+            bytes4[] memory ids = new bytes4[](1);
+            ids[0] = JBMetadataResolver.getId("pay", address(hook));
 
-        // Pass the hook ID.
-        bytes4[] memory ids = new bytes4[](1);
-        ids[0] = JBMetadataResolver.getId("pay", address(hook));
-
-        // Generate the metadata.
-        bytes memory hookMetadata = metadataHelper.createMetadata(ids, data);
+            // Generate the metadata.
+            hookMetadata = metadataHelper.createMetadata(ids, data);
+        }
 
         /* // Check: was an NFT with the correct tier ID and token ID minted?
         vm.expectEmit(true, true, true, true);
@@ -195,7 +202,9 @@ contract Test_TiersHook_E2E is TestBaseWorkflow {
         ); */
 
         if (totalSupplyAfterPay > type(uint208).max) {
-            vm.expectPartialRevert(JBTokens.JBTokens_OverflowAlert.selector);
+            vm.expectRevert(
+                abi.encodeWithSelector(JBTokens.JBTokens_OverflowAlert.selector, totalSupplyAfterPay, type(uint208).max)
+            );
         }
 
         // Pay the terminal to mint the NFTs.
@@ -252,7 +261,8 @@ contract Test_TiersHook_E2E is TestBaseWorkflow {
     function testMintOnPayIfMultipleTiersArePassed() external {
         (JBDeploy721TiersHookConfig memory tiersHookConfig, JBLaunchProjectConfig memory launchProjectConfig) =
             createData();
-        uint256 projectId = deployer.launchProjectFor(projectOwner, tiersHookConfig, launchProjectConfig, jbController);
+        (uint256 projectId, IJB721TiersHook _hook) =
+            deployer.launchProjectFor(projectOwner, tiersHookConfig, launchProjectConfig, jbController);
 
         // Prices of the first 5 tiers (10 * `tierId`)
         uint256 amountNeeded = 50 + 40 + 30 + 20 + 10;
@@ -277,6 +287,7 @@ contract Test_TiersHook_E2E is TestBaseWorkflow {
         data[0] = abi.encode(true, rawMetadata);
 
         address dataHook = jbRulesets.currentOf(projectId).dataHook();
+        assertEq(address(_hook), dataHook);
 
         // Pass the hook ID.
         bytes4[] memory ids = new bytes4[](1);
@@ -314,9 +325,11 @@ contract Test_TiersHook_E2E is TestBaseWorkflow {
         valueSent = bound(valueSent, 10, 2000);
         (JBDeploy721TiersHookConfig memory tiersHookConfig, JBLaunchProjectConfig memory launchProjectConfig) =
             createData();
-        uint256 projectId = deployer.launchProjectFor(projectOwner, tiersHookConfig, launchProjectConfig, jbController);
+        (uint256 projectId, IJB721TiersHook _hook) =
+            deployer.launchProjectFor(projectOwner, tiersHookConfig, launchProjectConfig, jbController);
 
         address dataHook = jbRulesets.currentOf(projectId).dataHook();
+        assertEq(address(_hook), dataHook);
 
         // Build the metadata with no tiers specified and the overspending flag.
         bool allowOverspending = true;
@@ -347,8 +360,11 @@ contract Test_TiersHook_E2E is TestBaseWorkflow {
         valueSent = bound(valueSent, 10, 2000);
         (JBDeploy721TiersHookConfig memory tiersHookConfig, JBLaunchProjectConfig memory launchProjectConfig) =
             createData();
-        uint256 projectId = deployer.launchProjectFor(projectOwner, tiersHookConfig, launchProjectConfig, jbController);
+        (uint256 projectId, IJB721TiersHook _hook) =
+            deployer.launchProjectFor(projectOwner, tiersHookConfig, launchProjectConfig, jbController);
+
         address dataHook = jbRulesets.currentOf(projectId).dataHook();
+        assertEq(address(_hook), dataHook);
 
         // Pay the terminal with empty metadata (`bytes(0)`).
         vm.prank(caller);
@@ -378,8 +394,10 @@ contract Test_TiersHook_E2E is TestBaseWorkflow {
 
         (JBDeploy721TiersHookConfig memory tiersHookConfig, JBLaunchProjectConfig memory launchProjectConfig) =
             createData();
-        uint256 projectId = deployer.launchProjectFor(projectOwner, tiersHookConfig, launchProjectConfig, jbController);
+        (uint256 projectId, IJB721TiersHook _hook) =
+            deployer.launchProjectFor(projectOwner, tiersHookConfig, launchProjectConfig, jbController);
         address dataHook = jbRulesets.currentOf(projectId).dataHook();
+        assertEq(address(_hook), dataHook);
 
         // Check: Ensure no pending reserves at start (since no minting has happened).
         assertEq(IJB721TiersHook(dataHook).STORE().numberOfPendingReservesFor(dataHook, highestTier), 0);
@@ -468,13 +486,15 @@ contract Test_TiersHook_E2E is TestBaseWorkflow {
         uint256 highestTier = valueSent <= 100 ? (valueSent / 10) : 10;
         (JBDeploy721TiersHookConfig memory tiersHookConfig, JBLaunchProjectConfig memory launchProjectConfig) =
             createData();
-        uint256 projectId = deployer.launchProjectFor(projectOwner, tiersHookConfig, launchProjectConfig, jbController);
+        (uint256 projectId, IJB721TiersHook _hook) =
+            deployer.launchProjectFor(projectOwner, tiersHookConfig, launchProjectConfig, jbController);
 
         // Craft the metadata: buy 1 NFT from the highest tier.
         bytes memory hookMetadata;
         bytes[] memory data;
         bytes4[] memory ids;
         address dataHook = jbRulesets.currentOf(projectId).dataHook();
+        assertEq(address(_hook), dataHook);
         {
             uint16[] memory rawMetadata = new uint16[](1);
             rawMetadata[0] = uint16(highestTier);
@@ -566,7 +586,8 @@ contract Test_TiersHook_E2E is TestBaseWorkflow {
             createData();
         uint256 tier = 10;
         uint256 tierPrice = tiersHookConfig.tiersConfig.tiers[tier - 1].price;
-        uint256 projectId = deployer.launchProjectFor(projectOwner, tiersHookConfig, launchProjectConfig, jbController);
+        (uint256 projectId, IJB721TiersHook _hook) =
+            deployer.launchProjectFor(projectOwner, tiersHookConfig, launchProjectConfig, jbController);
 
         // Craft the metadata: buy 5 NFTs from tier 10.
         uint16[] memory rawMetadata = new uint16[](5);
@@ -579,6 +600,7 @@ contract Test_TiersHook_E2E is TestBaseWorkflow {
         data[0] = abi.encode(true, rawMetadata);
 
         address dataHook = jbRulesets.currentOf(projectId).dataHook();
+        assertEq(address(_hook), dataHook);
 
         // Pass the hook ID.
         bytes4[] memory ids = new bytes4[](1);

test/unit/deployer_Unit.t.sol

@@ -46,7 +46,7 @@ contract Test_ProjectDeployer_Unit is UnitTestSetup {
         );
 
         // Launch the project.
-        uint256 projectId = deployer.launchProjectFor(
+        (uint256 projectId,) = deployer.launchProjectFor(
             owner, deploy721TiersHookConfig, launchProjectConfig, IJBController(mockJBController)
         );