fix confirmClaim signatures

Author: matthiaszimmermann

contracts/components/Product.sol

@@ -177,17 +177,14 @@ abstract contract Product is
     function _confirmClaim(
         bytes32 processId,
         uint256 claimId,
-        uint256 payoutAmount,
-        bytes memory data
+        uint256 payoutAmount
     )
         internal
-        returns (uint256 _payoutId)
     {
-        _payoutId = _productService.confirmClaim(
+        _productService.confirmClaim(
             processId, 
             claimId, 
-            payoutAmount, 
-            data);
+            payoutAmount);
     }
 
     function _declineClaim(bytes32 processId, uint256 claimId) internal {

contracts/modules/IPolicy.sol

@@ -136,11 +136,14 @@ interface IPolicy {
         bytes32 processId, 
         uint256 claimAmount, 
         bytes calldata data
-    )
-        external
-        returns (uint256 claimId);
+    ) external returns (uint256 claimId);
+
+    function confirmClaim(
+        bytes32 processId, 
+        uint256 claimId, 
+        uint256 confirmedAmount
+    ) external;
 
-    function confirmClaim(bytes32 processId, uint256 claimId) external;
     function declineClaim(bytes32 processId, uint256 claimId) external;
     function closeClaim(bytes32 processId, uint256 claimId) external;
 

contracts/services/IProductService.sol

@@ -34,9 +34,8 @@ interface IProductService {
     function confirmClaim(
         bytes32 processId, 
         uint256 claimId, 
-        uint256 payoutAmount, 
-        bytes calldata data
-    ) external returns(uint256 payoutId);
+        uint256 confirmedAmount
+    ) external;
 
     function declineClaim(bytes32 processId, uint256 claimId) external;
     function closeClaim(bytes32 processId, uint256 claimId) external;