From 4145c741a7a25728b3a459068a21eafa0164e397 Mon Sep 17 00:00:00 2001
From: Daniel Arnold <darnold8@gmail.com>
Date: Wed, 4 Jun 2025 13:43:09 -0400
Subject: [PATCH 1/3] dup params to avoid modifying input hash, bump version

---
 lib/emailable/client.rb  | 9 +++++----
 lib/emailable/version.rb | 2 +-
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/lib/emailable/client.rb b/lib/emailable/client.rb
index e738740..db2b78f 100644
--- a/lib/emailable/client.rb
+++ b/lib/emailable/client.rb
@@ -17,8 +17,9 @@ def initialize
     end
 
     def request(method, endpoint, params = {})
-      api_key = params.delete(:api_key)
-      access_token = params.delete(:access_token)
+      req_params = params.dup
+      api_key = req_params.delete(:api_key)
+      access_token = req_params.delete(:access_token)
 
       uri = URI("#{@base_url}/#{endpoint}")
       headers = {
@@ -30,12 +31,12 @@ def request(method, endpoint, params = {})
         tries ||= 3
         http_response =
           if method == :get
-            uri.query = URI.encode_www_form(params) unless params.empty?
+            uri.query = URI.encode_www_form(req_params) unless req_params.empty?
             request = Net::HTTP::Get.new(uri, headers)
             @connection.request(request)
           elsif method == :post
             request = Net::HTTP::Post.new(uri, headers)
-            request.body = params.to_json
+            request.body = req_params.to_json
             @connection.request(request)
           end
 
diff --git a/lib/emailable/version.rb b/lib/emailable/version.rb
index 3d51d7d..2a0f9d9 100644
--- a/lib/emailable/version.rb
+++ b/lib/emailable/version.rb
@@ -1,3 +1,3 @@
 module Emailable
-  VERSION = '4.2.1'
+  VERSION = '4.2.2'
 end

From f2a03c8f0659bcf2f3f662b7b4adc662128e0c29 Mon Sep 17 00:00:00 2001
From: Daniel Arnold <darnold8@gmail.com>
Date: Wed, 4 Jun 2025 14:06:47 -0400
Subject: [PATCH 2/3] rename params dup variable to params_copy. add test.
 remove version bump.

---
 lib/emailable/client.rb     | 12 +++++++-----
 lib/emailable/version.rb    |  2 +-
 test/authentication_test.rb |  8 ++++++++
 3 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/lib/emailable/client.rb b/lib/emailable/client.rb
index db2b78f..992f6c3 100644
--- a/lib/emailable/client.rb
+++ b/lib/emailable/client.rb
@@ -17,9 +17,9 @@ def initialize
     end
 
     def request(method, endpoint, params = {})
-      req_params = params.dup
-      api_key = req_params.delete(:api_key)
-      access_token = req_params.delete(:access_token)
+      params_copy = params.dup
+      api_key = params_copy.delete(:api_key)
+      access_token = params_copy.delete(:access_token)
 
       uri = URI("#{@base_url}/#{endpoint}")
       headers = {
@@ -31,12 +31,14 @@ def request(method, endpoint, params = {})
         tries ||= 3
         http_response =
           if method == :get
-            uri.query = URI.encode_www_form(req_params) unless req_params.empty?
+            unless params_copy.empty?
+              uri.query = URI.encode_www_form(params_copy)
+            end
             request = Net::HTTP::Get.new(uri, headers)
             @connection.request(request)
           elsif method == :post
             request = Net::HTTP::Post.new(uri, headers)
-            request.body = req_params.to_json
+            request.body = params_copy.to_json
             @connection.request(request)
           end
 
diff --git a/lib/emailable/version.rb b/lib/emailable/version.rb
index 2a0f9d9..3d51d7d 100644
--- a/lib/emailable/version.rb
+++ b/lib/emailable/version.rb
@@ -1,3 +1,3 @@
 module Emailable
-  VERSION = '4.2.2'
+  VERSION = '4.2.1'
 end
diff --git a/test/authentication_test.rb b/test/authentication_test.rb
index 1692754..eaa5ef5 100644
--- a/test/authentication_test.rb
+++ b/test/authentication_test.rb
@@ -30,4 +30,12 @@ def test_request_time_authentication_takes_priority_over_global
     refute_nil Emailable.verify(@email, api_key: @api_key).domain
   end
 
+  def test_does_not_modify_params
+    params = { api_key: @api_key, email: @email }
+    Emailable.verify(params[:email], params)
+
+    assert_equal @api_key, params[:api_key]
+    assert_equal @email, params[:email]
+  end
+
 end

From 2e64c6e0de8da2ddb6e8688cd213606efd1d6f58 Mon Sep 17 00:00:00 2001
From: Daniel Arnold <darnold8@gmail.com>
Date: Wed, 4 Jun 2025 14:12:44 -0400
Subject: [PATCH 3/3] simplify params empty check in query set

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
---
 lib/emailable/client.rb | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/lib/emailable/client.rb b/lib/emailable/client.rb
index 992f6c3..29b87d9 100644
--- a/lib/emailable/client.rb
+++ b/lib/emailable/client.rb
@@ -31,9 +31,7 @@ def request(method, endpoint, params = {})
         tries ||= 3
         http_response =
           if method == :get
-            unless params_copy.empty?
-              uri.query = URI.encode_www_form(params_copy)
-            end
+            uri.query = URI.encode_www_form(params_copy) if params_copy.any?
             request = Net::HTTP::Get.new(uri, headers)
             @connection.request(request)
           elsif method == :post