Fix for adding transaction

src/http_handler.zig

@@ -117,9 +117,10 @@ pub fn returnError(message: ?[]const u8, comptime statusCode: u16, res: *httpz.R
         }
     }
     res.status = statusCode;
-    res.json(.{ .success = false, .message = message }, .{}) catch |err| {
+    std.log.info("Returning error", .{});
+    return res.json(.{ .success = false, .message = message }, .{}) catch |err| {
         std.log.warn("Couldnt create error body: {}", .{err});
-        res.body = "{ \"success\": false";
+        res.body = "{ \"success\": false }";
     };
 }
 
@@ -128,3 +129,23 @@ pub fn returnData(data: anytype, res: *httpz.Response) !void {
     res.status = 200;
     try res.json(body, .{});
 }
+
+const ReqDataError = error{
+    MalformedBody,
+    NoData,
+};
+
+pub fn getReqJson(req: *httpz.Request, res: *httpz.Response, comptime ReqType: type) ReqDataError!ReqType {
+    const body_data = req.json(ReqType) catch |err| {
+        std.debug.print("Malformed body: {any}\nExpected {any} for req {s} on {s}", .{ err, ReqType, @tagName(req.method), req.url.query });
+        returnError("Bad request: Malformed Body", 400, res);
+        return ReqDataError.MalformedBody;
+    };
+    if (body_data == null) {
+        std.debug.print("Bad request, no data\nExpected {any} for req {s} on {s}", .{ ReqType, @tagName(req.method), req.url.query });
+        returnError("Bad request: No Data", 400, res);
+        return ReqDataError.NoData;
+    }
+    var body = body_data.?;
+    return body;
+}