implemented RedeemHelper

foundry.toml

@@ -7,6 +7,6 @@ libs = ["lib"]
 gnosis = "${GNOSIS_RPC}"
 
 [etherscan]
-gnoscan = { key = "${GNOSIS_SCAN_KEY}" }
+gnosisscan = { key = "${GNOSIS_SCAN_KEY}", chain = 100 }
 
 # See more config options https://github.com/foundry-rs/foundry/blob/master/crates/config/README.md#all-options

script/DeployRedeemHelper.sol

@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: AGPL-3.0-only
+pragma solidity ^0.8.28;
+
+import {Script, console} from "forge-std/Script.sol";
+import {RedeemHelper} from "src/helpers/RedeemHelper.sol";
+
+contract DeployRedeemHelper is Script {
+    address deployer = address(0x6BF173798733623cc6c221eD52c010472247d861);
+    RedeemHelper public redeemHelper; // 0x8D46BA60Bf0c4A93d21dc1Db8F230Bdf1E7764A3
+
+    function setUp() public {}
+
+    function run() public {
+        vm.startBroadcast(deployer);
+
+        redeemHelper = new RedeemHelper();
+
+        vm.stopBroadcast();
+        console.log(address(redeemHelper), "RedeemHelper");
+    }
+}

src/helpers/RedeemHelper.sol

@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: AGPL-3.0-only
+pragma solidity ^0.8.28;
+
+import {TypeDefinitions} from "circles-contracts-v2/hub/TypeDefinitions.sol";
+import {BaseMintPolicyDefinitions} from "circles-contracts-v2/groups/Definitions.sol";
+
+contract RedeemHelper {
+    bytes32 public constant METADATATYPE_GROUPREDEEM = keccak256("CIRCLESv2:RESERVED_DATA:CirclesGroupRedeem");
+
+    /// @notice Converts the user's redemption values, including avatars and amounts, into a byte format suitable for use in a safeTransferFrom call.
+    function convertRedemptionToBytes(uint256[] memory redemptionIds, uint256[] memory redemptionValues)
+        external
+        pure
+        returns (bytes memory data)
+    {
+        bytes memory userData =
+            abi.encode(BaseMintPolicyDefinitions.BaseRedemptionPolicy(redemptionIds, redemptionValues));
+
+        data = abi.encode(TypeDefinitions.Metadata(METADATATYPE_GROUPREDEEM, "", userData));
+    }
+}

test/DepositFlow.t.sol

@@ -15,6 +15,7 @@ import {CirclesType} from "circles-contracts-v2/lift/IERC20Lift.sol";
 import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
 import {TypeDefinitions} from "circles-contracts-v2/hub/TypeDefinitions.sol";
 import {BaseMintPolicyDefinitions} from "circles-contracts-v2/groups/Definitions.sol";
+import {RedeemHelper} from "src/helpers/RedeemHelper.sol";
 
 contract DepositFlowTest is Test {
     uint256 blockNumber = 37_456_676;
@@ -34,6 +35,8 @@ contract DepositFlowTest is Test {
     Safe testGroupSafe = Safe(payable(address(0x8bD2e75661Af98037b1Fc9fa0f9435baAa6Dd5ac)));
     address proxy;
     address testAccount = address(0x2A6878e8e34647533C5AA46012008ABfdF496988);
+    // helper
+    RedeemHelper public redeemHelper;
 
     function setUp() public {
         gnosis = vm.createFork(vm.envString("GNOSIS_RPC"), blockNumber);
@@ -60,6 +63,8 @@ contract DepositFlowTest is Test {
         // 3. third setup step for a TestGroup is to registerGroup in Hub with proxy as a mint policy
         data = abi.encodeWithSelector(Hub.registerGroup.selector, proxy, "testGroup", "TG", bytes32(0));
         _executeSafeTx(testGroupSafe, address(hub), data, Enum.Operation.Call);
+
+        redeemHelper = new RedeemHelper();
     }
 
     function testDepositFlow() public {
@@ -74,11 +79,7 @@ contract DepositFlowTest is Test {
         uint256[] memory redemptionValues = new uint256[](1);
         redemptionValues[0] = 5 ether;
 
-        bytes memory userData =
-            abi.encode(BaseMintPolicyDefinitions.BaseRedemptionPolicy(redemptionIds, redemptionValues));
-
-        bytes memory data = abi.encode(TypeDefinitions.Metadata(METADATATYPE_GROUPREDEEM, "", userData));
-
+        bytes memory data = redeemHelper.convertRedemptionToBytes(redemptionIds, redemptionValues);
         vm.prank(testAccount);
         hub.safeTransferFrom(testAccount, STANDARD_TREASURY, uint256(uint160(address(testGroupSafe))), 5 ether, data);