diff --git a/main.js b/main.js
index 8a8f9cc..078834f 100644
--- a/main.js
+++ b/main.js
@@ -6509,8 +6509,8 @@ var $author$project$Main$ModeSwitched = function (a) {
 	return {$: 'ModeSwitched', a: a};
 };
 var $author$project$Main$ApiResponse = F4(
-	function (value, updates, notification, error) {
-		return {error: error, notification: notification, updates: updates, value: value};
+	function (value, notification, updates, errors) {
+		return {errors: errors, notification: notification, updates: updates, value: value};
 	});
 var $elm$json$Json$Decode$oneOf = _Json_oneOf;
 var $elm$json$Json$Decode$maybe = function (decoder) {
@@ -6596,15 +6596,82 @@ var $author$project$Main$apiResponseDecoder = A5(
 	$author$project$Main$ApiResponse,
 	$elm$json$Json$Decode$maybe(
 		A2($elm$json$Json$Decode$field, 'value', $elm$json$Json$Decode$string)),
+	$elm$json$Json$Decode$maybe(
+		A2($elm$json$Json$Decode$field, 'notification', $elm$json$Json$Decode$string)),
 	$elm$json$Json$Decode$maybe(
 		A2(
 			$elm$json$Json$Decode$field,
 			'updates',
 			$elm$json$Json$Decode$list($author$project$Main$updatesDecoder))),
 	$elm$json$Json$Decode$maybe(
-		A2($elm$json$Json$Decode$field, 'notification', $elm$json$Json$Decode$string)),
-	$elm$json$Json$Decode$maybe(
-		A2($elm$json$Json$Decode$field, 'error', $elm$json$Json$Decode$string)));
+		A2($elm$json$Json$Decode$field, 'errors', $elm$json$Json$Decode$string)));
+var $elm$core$List$filter = F2(
+	function (isGood, list) {
+		return A3(
+			$elm$core$List$foldr,
+			F2(
+				function (x, xs) {
+					return isGood(x) ? A2($elm$core$List$cons, x, xs) : xs;
+				}),
+			_List_Nil,
+			list);
+	});
+var $elm$core$Basics$neq = _Utils_notEqual;
+var $elm$core$Maybe$withDefault = F2(
+	function (_default, maybe) {
+		if (maybe.$ === 'Just') {
+			var value = maybe.a;
+			return value;
+		} else {
+			return _default;
+		}
+	});
+var $author$project$Main$applyUpdate = F2(
+	function (u, model) {
+		switch (u.$) {
+			case 'ItemRemoved':
+				var item = u.a;
+				return _Utils_update(
+					model,
+					{
+						loot: $elm$core$Maybe$Just(
+							A2(
+								$elm$core$List$filter,
+								function (i) {
+									return !_Utils_eq(i.id, item.id);
+								},
+								A2($elm$core$Maybe$withDefault, _List_Nil, model.loot)))
+					});
+			case 'ItemAdded':
+				var item = u.a;
+				return _Utils_update(
+					model,
+					{
+						loot: $elm$core$Maybe$Just(
+							A2(
+								$elm$core$List$cons,
+								item,
+								A2($elm$core$Maybe$withDefault, _List_Nil, model.loot)))
+					});
+			case 'WealthUpdated':
+				var diff = u.a;
+				var player = model.player;
+				var wealth = player.wealth;
+				return _Utils_update(
+					model,
+					{
+						player: _Utils_update(
+							player,
+							{
+								wealth: A4($author$project$Main$Wealth, wealth.cp + diff.cp, wealth.sp + diff.sp, wealth.gp + diff.gp, wealth.pp + diff.pp)
+							})
+					});
+			case 'ClaimAdded':
+				return model;
+			default:
+				return model;
+		}
+	});
 var $elm$core$Set$Set_elm_builtin = function (a) {
 	return {$: 'Set_elm_builtin', a: a};
 };
@@ -6628,17 +6695,6 @@ var $author$project$Main$printError = function (error) {
 	}
 };
 var $elm$browser$Browser$Navigation$pushUrl = _Browser_pushUrl;
-var $elm$core$List$filter = F2(
-	function (isGood, list) {
-		return A3(
-			$elm$core$List$foldr,
-			F2(
-				function (x, xs) {
-					return isGood(x) ? A2($elm$core$List$cons, x, xs) : xs;
-				}),
-			_List_Nil,
-			list);
-	});
 var $elm$json$Json$Encode$int = _Json_wrap;
 var $elm$core$Maybe$map = F2(
 	function (f, maybe) {
@@ -6664,15 +6720,6 @@ var $elm$core$Set$member = F2(
 		var dict = _v0.a;
 		return A2($elm$core$Dict$member, key, dict);
 	});
-var $elm$core$Maybe$withDefault = F2(
-	function (_default, maybe) {
-		if (maybe.$ === 'Just') {
-			var value = maybe.a;
-			return value;
-		} else {
-			return _default;
-		}
-	});
 var $author$project$Main$itemInSelection = F2(
 	function (selection, item) {
 		return A2(
@@ -6825,7 +6872,9 @@ var $author$project$Main$sendRequest = F2(
 							'http://localhost:8088/api/players/' + ($elm$core$String$fromInt(model.player.id) + '/loot'),
 							'DELETE');
 					default:
-						return _Utils_Tuple2('http://', 'POST');
+						return _Utils_Tuple2(
+							'http://localhost:8088/api/players/' + ($elm$core$String$fromInt(model.player.id) + '/claims'),
+							'POST');
 				}
 			}();
 			var endpoint = _v1.a;
@@ -6938,7 +6987,7 @@ var $author$project$Main$update = F2(
 				} else {
 					var href = urlRequest.a;
 					return _Utils_Tuple2(
-						A2($author$project$Main$setError, 'Invalid request \'' + (href + '\''), model),
+						A2($author$project$Main$setError, 'External request \'' + (href + '\''), model),
 						$elm$core$Platform$Cmd$none);
 				}
 			case 'UrlChanged':
@@ -7102,13 +7151,12 @@ var $author$project$Main$update = F2(
 			default:
 				var response = msg.a;
 				if (response.$ === 'Ok') {
-					var r = response.a;
-					return _Utils_Tuple2(
-						A2(
-							$author$project$Main$setError,
-							$elm$core$Debug$toString(r),
-							model),
-						$elm$core$Platform$Cmd$none);
+					var result = response.a;
+					var updates = A2($elm$core$Maybe$withDefault, _List_Nil, result.updates);
+					return A2(
+						$author$project$Main$update,
+						$author$project$Main$ModeSwitched($elm$core$Maybe$Nothing),
+						A3($elm$core$List$foldl, $author$project$Main$applyUpdate, model, updates));
 				} else {
 					var r = response.a;
 					return _Utils_Tuple2(
@@ -7120,10 +7168,6 @@ var $author$project$Main$update = F2(
 				}
 		}
 	});
-var $author$project$Main$Buy = {$: 'Buy'};
-var $author$project$Main$ConfirmAction = {$: 'ConfirmAction'};
-var $author$project$Main$Grab = {$: 'Grab'};
-var $author$project$Main$Sell = {$: 'Sell'};
 var $author$project$Main$UndoLastAction = {$: 'UndoLastAction'};
 var $elm$html$Html$button = _VirtualDom_node('button');
 var $elm$json$Json$Encode$string = _Json_wrap;
@@ -7164,7 +7208,7 @@ var $author$project$Main$actionButton = F4(
 			$elm$html$Html$button,
 			_List_fromArray(
 				[
-					$elm$html$Html$Attributes$class('button is-' + color),
+					$elm$html$Html$Attributes$class('button level-item is-' + color),
 					$elm$html$Html$Events$onClick(msg)
 				]),
 			_List_fromArray(
@@ -7195,7 +7239,70 @@ var $author$project$Main$actionButton = F4(
 				]));
 	});
 var $elm$html$Html$article = _VirtualDom_node('article');
-var $elm$html$Html$div = _VirtualDom_node('div');
+var $author$project$Main$ConfirmAction = {$: 'ConfirmAction'};
+var $author$project$Main$controlsWhenModeActive = function (mode) {
+	return _List_fromArray(
+		[
+			A4($author$project$Main$actionButton, $author$project$Main$ConfirmAction, 'Valider', 'check', 'primary'),
+			A4(
+			$author$project$Main$actionButton,
+			$author$project$Main$ModeSwitched($elm$core$Maybe$Nothing),
+			'Annuler',
+			'times',
+			'danger')
+		]);
+};
+var $author$project$Main$Buy = {$: 'Buy'};
+var $author$project$Main$Grab = {$: 'Grab'};
+var $author$project$Main$Sell = {$: 'Sell'};
+var $author$project$Main$controlsWhenRoute = function (route) {
+	switch (route.$) {
+		case 'PlayerChest':
+			return _List_fromArray(
+				[
+					A4(
+					$author$project$Main$actionButton,
+					$author$project$Main$ModeSwitched(
+						$elm$core$Maybe$Just($author$project$Main$Sell)),
+					'Vendre',
+					'coins',
+					'danger')
+				]);
+		case 'GroupLoot':
+			return _List_fromArray(
+				[
+					A4(
+					$author$project$Main$actionButton,
+					$author$project$Main$ModeSwitched(
+						$elm$core$Maybe$Just($author$project$Main$Grab)),
+					'Demander',
+					'praying-hands',
+					'primary')
+				]);
+		case 'Merchant':
+			return _List_fromArray(
+				[
+					A4(
+					$author$project$Main$actionButton,
+					$author$project$Main$ModeSwitched(
+						$elm$core$Maybe$Just($author$project$Main$Buy)),
+					'Acheter',
+					'coins',
+					'success')
+				]);
+		default:
+			return _List_fromArray(
+				[
+					A4(
+					$author$project$Main$actionButton,
+					$author$project$Main$ModeSwitched(
+						$elm$core$Maybe$Just($author$project$Main$Add)),
+					'Nouveau loot',
+					'plus',
+					'primary')
+				]);
+	}
+};
 var $elm$html$Html$hr = _VirtualDom_node('hr');
 var $author$project$Main$renderId = function (item) {
 	return A2(
@@ -7231,6 +7338,7 @@ var $elm$html$Html$Attributes$boolProperty = F2(
 			$elm$json$Json$Encode$bool(bool));
 	});
 var $elm$html$Html$Attributes$checked = $elm$html$Html$Attributes$boolProperty('checked');
+var $elm$html$Html$div = _VirtualDom_node('div');
 var $elm$core$String$fromFloat = _String_fromNumber;
 var $elm$html$Html$input = _VirtualDom_node('input');
 var $elm$json$Json$Decode$at = F2(
@@ -7979,84 +8087,18 @@ var $author$project$Main$view = function (model) {
 		if (_v3.$ === 'Just') {
 			var mode = _v3.a;
 			return _Utils_Tuple2(
-				_List_fromArray(
-					[
-						A2(
-						$elm$html$Html$div,
-						_List_fromArray(
-							[
-								$elm$html$Html$Attributes$class('buttons has-addons')
-							]),
-						_List_fromArray(
-							[
-								A4($author$project$Main$actionButton, $author$project$Main$ConfirmAction, 'Valider', 'success', 'primary'),
-								A4(
-								$author$project$Main$actionButton,
-								$author$project$Main$ModeSwitched($elm$core$Maybe$Nothing),
-								'Annuler',
-								'times',
-								'danger')
-							]))
-					]),
+				$author$project$Main$controlsWhenModeActive(mode),
 				$elm$core$Maybe$Just(
 					A2($author$project$Main$rowControlsForMode, mode, isSelected)));
 		} else {
 			return _Utils_Tuple2(
 				A2(
 					$elm$core$List$cons,
-					A4($author$project$Main$actionButton, $author$project$Main$UndoLastAction, 'Annuler action', 'delete', 'danger'),
-					function () {
-						var _v4 = model.state.route;
-						switch (_v4.$) {
-							case 'PlayerChest':
-								return _List_fromArray(
-									[
-										A4(
-										$author$project$Main$actionButton,
-										$author$project$Main$ModeSwitched(
-											$elm$core$Maybe$Just($author$project$Main$Sell)),
-										'Vendre',
-										'coins',
-										'danger')
-									]);
-							case 'GroupLoot':
-								return _List_fromArray(
-									[
-										A4(
-										$author$project$Main$actionButton,
-										$author$project$Main$ModeSwitched(
-											$elm$core$Maybe$Just($author$project$Main$Grab)),
-										'Demander',
-										'coins',
-										'primary')
-									]);
-							case 'Merchant':
-								return _List_fromArray(
-									[
-										A4(
-										$author$project$Main$actionButton,
-										$author$project$Main$ModeSwitched(
-											$elm$core$Maybe$Just($author$project$Main$Buy)),
-										'Acheter',
-										'coins',
-										'success')
-									]);
-							default:
-								return _List_fromArray(
-									[
-										A4(
-										$author$project$Main$actionButton,
-										$author$project$Main$ModeSwitched(
-											$elm$core$Maybe$Just($author$project$Main$Add)),
-										'Nouveau loot',
-										'plus',
-										'primary')
-									]);
-						}
-					}()),
+					A4($author$project$Main$actionButton, $author$project$Main$UndoLastAction, 'Annuler action', 'backspace', 'danger'),
+					$author$project$Main$controlsWhenRoute(model.state.route)),
 				function () {
-					var _v5 = model.state.route;
-					if (_v5.$ === 'GroupLoot') {
+					var _v4 = model.state.route;
+					if (_v4.$ === 'GroupLoot') {
 						return $elm$core$Maybe$Just($author$project$Main$renderId);
 					} else {
 						return $elm$core$Maybe$Nothing;
@@ -8064,13 +8106,13 @@ var $author$project$Main$view = function (model) {
 				}());
 		}
 	}();
-	var actionControls = _v2.a;
+	var headerControls = _v2.a;
 	var rowControls = _v2.b;
 	return {
 		body: _List_fromArray(
 			[
 				$author$project$Main$viewHeaderBar(model),
-				A2($author$project$Main$viewPlayerBar, model.player, actionControls),
+				A2($author$project$Main$viewPlayerBar, model.player, headerControls),
 				A2(
 				$elm$html$Html$article,
 				_List_fromArray(
diff --git a/src/Main.elm b/src/Main.elm
index fc90b1c..aeca8a5 100644
--- a/src/Main.elm
+++ b/src/Main.elm
@@ -160,9 +160,9 @@ type alias HttpResult a = (Result Http.Error a)
 
 type alias ApiResponse =
     { value : Maybe String
-    , updates : Maybe (List DbUpdate)
     , notification : Maybe String
-    , error : Maybe String
+    , updates : Maybe (List DbUpdate)
+    , errors : Maybe String
     }
 
 type Msg
@@ -184,10 +184,9 @@ update msg model =
             case urlRequest of
                 Browser.Internal url ->
                     ( model, Nav.pushUrl model.state.navKey (Url.toString url) )
-                    --( model, Cmd.none )
 
                 Browser.External href ->
-                    ( setError ("Invalid request '" ++ href ++ "'") model
+                    ( setError ("External request '" ++ href ++ "'") model
                     , Cmd.none )
 
         UrlChanged url ->
@@ -240,7 +239,8 @@ update msg model =
                 state = model.state
             in
             ( { model | state =
-                    { state | selection = Debug.log "new selection" (switchSelectionState id state.selection) }}
+                    { state | selection = Debug.log "new selection"
+                                <| switchSelectionState id state.selection }}
             , Cmd.none )
 
         ModeSwitched newMode ->
@@ -277,9 +277,15 @@ update msg model =
 
         GotActionResult response ->
             case response of
-                Ok r -> (setError (Debug.toString r) model, Cmd.none)
+                Ok result ->
+                    let
+                        updates = Maybe.withDefault [] result.updates
+                    in
+                        List.foldl applyUpdate model updates
+                            |> update (ModeSwitched Nothing)
                 Err r -> (setError (Debug.toString r) model, Cmd.none)
 
+
 targetItemsFor : ViewMode -> Model -> List Item
 targetItemsFor mode model =
     case mode of
@@ -319,6 +325,30 @@ type DbUpdate
     | ClaimAdded ()
     | ClaimRemoved ()
 
+-- DbUpdates always refer to the active player's loot
+applyUpdate : DbUpdate -> Model -> Model
+applyUpdate u model =
+    case u of
+        ItemRemoved item -> { model | loot = Just
+                                  <| List.filter (\i -> i.id /= item.id)
+                                  <| Maybe.withDefault [] model.loot }
+        ItemAdded item -> { model | loot = Just
+                                <| item :: Maybe.withDefault [] model.loot }
+        WealthUpdated diff ->
+            let
+                player = model.player
+                wealth = player.wealth
+            in
+            { model | player = { player | wealth =
+                    (Wealth
+                         (wealth.cp + diff.cp)
+                         (wealth.sp + diff.sp)
+                         (wealth.gp + diff.gp)
+                         (wealth.pp + diff.pp)
+                    )}}
+        ClaimAdded _ -> model
+        ClaimRemoved _ -> model
+
 -- TODO: update server to produce better json
 --       like an object with list of updates of the same type
 --       { ItemRemoved : [..], Wealth : [ .. ], .. }
@@ -338,9 +368,9 @@ apiResponseDecoder : Decoder ApiResponse
 apiResponseDecoder =
     Json.Decode.map4 ApiResponse
         (Json.Decode.maybe (field "value" string))
-        (Json.Decode.maybe (field "updates" (Json.Decode.list updatesDecoder)))
         (Json.Decode.maybe (field "notification" string))
-        (Json.Decode.maybe (field "error" string))
+        (Json.Decode.maybe (field "updates" (Json.Decode.list updatesDecoder)))
+        (Json.Decode.maybe (field "errors" string))
 
 
 sendRequest : Maybe ViewMode -> Model -> Cmd Msg
@@ -363,7 +393,7 @@ sendRequest activeMode model =
                         , "DELETE"
                         )
                     Grab ->
-                        ( "http://"
+                        ( "http://localhost:8088/api/players/" ++ (String.fromInt model.player.id) ++ "/claims"
                         , "POST")
             in
             Http.request
@@ -401,9 +431,9 @@ switchSelectionState : Int -> Maybe Selection -> Maybe Selection
 switchSelectionState id selection =
     case selection of
         Just s ->
-            Just (case Set.member id s of
-                    True -> Set.remove id s
-                    False -> Set.insert id s)
+            Just <| case Set.member id s of
+                        True -> Set.remove id s
+                        False -> Set.insert id s
         Nothing -> Debug.log "ignore switchSelectionState" Nothing
 
 -- SUBSCRIPTIONS
@@ -432,12 +462,26 @@ canSelectIn mode =
         Add -> False
 
 actionButton msg t icon color =
-    button [ class <| "button is-" ++ color
+    button [ class <| "button level-item is-" ++ color
            , onClick msg ]
         [ span [ class "icon" ] [ i [ Svg.Attributes.class <| "fas fa-" ++ icon ] [] ]
         , p [] [text t]
         ]
 
+controlsWhenModeActive : ViewMode -> List (Html Msg)
+controlsWhenModeActive mode =
+          [ actionButton (ConfirmAction) "Valider" "check" "primary"
+          , actionButton (ModeSwitched Nothing) "Annuler" "times" "danger"
+          ]
+
+controlsWhenRoute : Route -> List (Html Msg)
+controlsWhenRoute route =
+    case route of
+        PlayerChest -> [actionButton (ModeSwitched (Just Sell)) "Vendre" "coins" "danger"]
+        GroupLoot -> [actionButton (ModeSwitched (Just Grab)) "Demander" "praying-hands" "primary"]
+        Merchant -> [actionButton (ModeSwitched (Just Buy)) "Acheter" "coins" "success"]
+        NewLoot -> [actionButton (ModeSwitched (Just Add)) "Nouveau loot" "plus" "primary"]
+   
 view : Model -> Browser.Document Msg
 view model =
     let
@@ -453,28 +497,18 @@ view model =
                 NewLoot ->
                     ("Nouveau trésor :)", [] )
 
-        {- Dynamic renderes to allow the use of ViewMode
+        {- Dynamic renderers for ViewMode
 
-            ActionControls is inserted in the PlayerBar's right
-            and rowControls are inserted, to the right of every item rows
+            Header controls are inserted in the PlayerBar
+            and rowControls to the right side of every item rows
         -}
-        (actionControls, rowControls) =
+        (headerControls, rowControls) =
             case model.state.activeMode of
-                Just mode -> -- When a mode is active
-                    ( [ div [ class "buttons has-addons"]
-                          [ actionButton (ConfirmAction) "Valider" "success" "primary"
-                          , actionButton (ModeSwitched Nothing) "Annuler" "times" "danger"
-                          ]
-                      ]
-                    , Just (rowControlsForMode mode isSelected)
-                    )
+                Just mode ->
+                    ( controlsWhenModeActive mode, Just (rowControlsForMode mode isSelected))
                 Nothing -> -- Buttons to enter mode
-                    ( actionButton UndoLastAction "Annuler action" "delete" "danger"
-                      :: case model.state.route of
-                        PlayerChest -> [actionButton (ModeSwitched (Just Sell)) "Vendre" "coins" "danger"]
-                        GroupLoot -> [actionButton (ModeSwitched (Just Grab)) "Demander" "coins" "primary"]
-                        Merchant -> [actionButton (ModeSwitched (Just Buy)) "Acheter" "coins" "success"]
-                        NewLoot -> [actionButton (ModeSwitched (Just Add)) "Nouveau loot" "plus" "primary"]
+                    ( actionButton UndoLastAction "Annuler action" "backspace" "danger"
+                      :: controlsWhenRoute model.state.route
                     -- Claim controls for Group chest
                     , case model.state.route of
                         GroupLoot -> Just renderId
@@ -489,7 +523,7 @@ view model =
     { title = "Loot-a-lot in ELM"
     , body =
         [ viewHeaderBar model
-        , viewPlayerBar model.player actionControls
+        , viewPlayerBar model.player headerControls
         , article [class "section container"]
                   [ p [class "heading"] [text header]
                   , viewSearchBar