diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..ccd3dd8
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,23 @@
+name: Rust
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+env:
+  CARGO_TERM_COLOR: always
+  SQLX_OFFLINE: true
+
+jobs:
+  check-lint:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Check
+      run: cargo check
+    - name: Clippy
+      run: cargo clippy
+    - name: Format
+      run: cargo fmt --all --check
\ No newline at end of file
diff --git a/.sqlx/query-0b2f444f36572ca8f072efecea628c634231b06b9cd77677d5026c00ae770738.json b/.sqlx/query-0b2f444f36572ca8f072efecea628c634231b06b9cd77677d5026c00ae770738.json
new file mode 100644
index 0000000..3740862
--- /dev/null
+++ b/.sqlx/query-0b2f444f36572ca8f072efecea628c634231b06b9cd77677d5026c00ae770738.json
@@ -0,0 +1,23 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "SELECT board FROM players WHERE id = $1 AND room_code = $2",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "board",
+        "type_info": "BpcharArray"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Bpchar",
+        "Bpchar"
+      ]
+    },
+    "nullable": [
+      true
+    ]
+  },
+  "hash": "0b2f444f36572ca8f072efecea628c634231b06b9cd77677d5026c00ae770738"
+}
diff --git a/.sqlx/query-1568b5ea82d844da39dc37f70a4129d89e3c8b6cd91d7738774445a66fa1338e.json b/.sqlx/query-1568b5ea82d844da39dc37f70a4129d89e3c8b6cd91d7738774445a66fa1338e.json
new file mode 100644
index 0000000..f66cd25
--- /dev/null
+++ b/.sqlx/query-1568b5ea82d844da39dc37f70a4129d89e3c8b6cd91d7738774445a66fa1338e.json
@@ -0,0 +1,15 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "WITH new_user AS (INSERT INTO players (id, room_code) VALUES ($1, $2) RETURNING id) INSERT INTO rooms (player1_id, code) SELECT $1, $2 FROM new_user",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Left": [
+        "Bpchar",
+        "Bpchar"
+      ]
+    },
+    "nullable": []
+  },
+  "hash": "1568b5ea82d844da39dc37f70a4129d89e3c8b6cd91d7738774445a66fa1338e"
+}
diff --git a/.sqlx/query-39e83c6ab9294d5b771f3e01ed3709e9ab08d8cf1287b325a0df57521c2d83bc.json b/.sqlx/query-39e83c6ab9294d5b771f3e01ed3709e9ab08d8cf1287b325a0df57521c2d83bc.json
new file mode 100644
index 0000000..ac0598f
--- /dev/null
+++ b/.sqlx/query-39e83c6ab9294d5b771f3e01ed3709e9ab08d8cf1287b325a0df57521c2d83bc.json
@@ -0,0 +1,26 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "UPDATE rooms SET stat = $1 WHERE code = $2",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Left": [
+        {
+          "Custom": {
+            "name": "stat",
+            "kind": {
+              "Enum": [
+                "waiting",
+                "p1turn",
+                "p2turn"
+              ]
+            }
+          }
+        },
+        "Bpchar"
+      ]
+    },
+    "nullable": []
+  },
+  "hash": "39e83c6ab9294d5b771f3e01ed3709e9ab08d8cf1287b325a0df57521c2d83bc"
+}
diff --git a/.sqlx/query-6108a32cad01040d876e139b882da3d6a28c448b5a0ad12a67d8e77c64e7c230.json b/.sqlx/query-6108a32cad01040d876e139b882da3d6a28c448b5a0ad12a67d8e77c64e7c230.json
new file mode 100644
index 0000000..5e8b6b3
--- /dev/null
+++ b/.sqlx/query-6108a32cad01040d876e139b882da3d6a28c448b5a0ad12a67d8e77c64e7c230.json
@@ -0,0 +1,45 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "SELECT player1_id, player2_id, stat AS \"stat: Status\" FROM rooms WHERE code = $1",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "player1_id",
+        "type_info": "Bpchar"
+      },
+      {
+        "ordinal": 1,
+        "name": "player2_id",
+        "type_info": "Bpchar"
+      },
+      {
+        "ordinal": 2,
+        "name": "stat: Status",
+        "type_info": {
+          "Custom": {
+            "name": "stat",
+            "kind": {
+              "Enum": [
+                "waiting",
+                "p1turn",
+                "p2turn"
+              ]
+            }
+          }
+        }
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Bpchar"
+      ]
+    },
+    "nullable": [
+      true,
+      true,
+      false
+    ]
+  },
+  "hash": "6108a32cad01040d876e139b882da3d6a28c448b5a0ad12a67d8e77c64e7c230"
+}
diff --git a/.sqlx/query-652e975a09db7acd6dd0ff4d6ad190061f9dbc07b97158fe8ad7b22d5aad39c8.json b/.sqlx/query-652e975a09db7acd6dd0ff4d6ad190061f9dbc07b97158fe8ad7b22d5aad39c8.json
new file mode 100644
index 0000000..d1d5284
--- /dev/null
+++ b/.sqlx/query-652e975a09db7acd6dd0ff4d6ad190061f9dbc07b97158fe8ad7b22d5aad39c8.json
@@ -0,0 +1,16 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "UPDATE players SET board[$1] = $2 WHERE id = $3",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Left": [
+        "Int4",
+        "Bpchar",
+        "Bpchar"
+      ]
+    },
+    "nullable": []
+  },
+  "hash": "652e975a09db7acd6dd0ff4d6ad190061f9dbc07b97158fe8ad7b22d5aad39c8"
+}
diff --git a/.sqlx/query-665ac234d9b9e5e6a3be6a54de8474a11586e3bbe9c5295b8566c3ff9334a8c3.json b/.sqlx/query-665ac234d9b9e5e6a3be6a54de8474a11586e3bbe9c5295b8566c3ff9334a8c3.json
new file mode 100644
index 0000000..8eb289f
--- /dev/null
+++ b/.sqlx/query-665ac234d9b9e5e6a3be6a54de8474a11586e3bbe9c5295b8566c3ff9334a8c3.json
@@ -0,0 +1,15 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "UPDATE players SET board = $1 WHERE id = $2",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Left": [
+        "BpcharArray",
+        "Bpchar"
+      ]
+    },
+    "nullable": []
+  },
+  "hash": "665ac234d9b9e5e6a3be6a54de8474a11586e3bbe9c5295b8566c3ff9334a8c3"
+}
diff --git a/.sqlx/query-838ff3277798d0d63e57eb6cbc5c921b36ce8fa8e34cc8b415c43f4163793a3a.json b/.sqlx/query-838ff3277798d0d63e57eb6cbc5c921b36ce8fa8e34cc8b415c43f4163793a3a.json
new file mode 100644
index 0000000..ac3c2cc
--- /dev/null
+++ b/.sqlx/query-838ff3277798d0d63e57eb6cbc5c921b36ce8fa8e34cc8b415c43f4163793a3a.json
@@ -0,0 +1,14 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "DELETE FROM players WHERE id = $1",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Left": [
+        "Bpchar"
+      ]
+    },
+    "nullable": []
+  },
+  "hash": "838ff3277798d0d63e57eb6cbc5c921b36ce8fa8e34cc8b415c43f4163793a3a"
+}
diff --git a/.sqlx/query-857420051fa315bca4851b922420fbbeb009b5546471b2f86bafa733e8ccf221.json b/.sqlx/query-857420051fa315bca4851b922420fbbeb009b5546471b2f86bafa733e8ccf221.json
new file mode 100644
index 0000000..d2d16af
--- /dev/null
+++ b/.sqlx/query-857420051fa315bca4851b922420fbbeb009b5546471b2f86bafa733e8ccf221.json
@@ -0,0 +1,22 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "SELECT room_code FROM players WHERE id = $1",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "room_code",
+        "type_info": "Bpchar"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Bpchar"
+      ]
+    },
+    "nullable": [
+      false
+    ]
+  },
+  "hash": "857420051fa315bca4851b922420fbbeb009b5546471b2f86bafa733e8ccf221"
+}
diff --git a/.sqlx/query-886c680debfa2b3b79615056239aa68b9befd5e8fa0d710c0acd9fd5898d3708.json b/.sqlx/query-886c680debfa2b3b79615056239aa68b9befd5e8fa0d710c0acd9fd5898d3708.json
new file mode 100644
index 0000000..2deb05c
--- /dev/null
+++ b/.sqlx/query-886c680debfa2b3b79615056239aa68b9befd5e8fa0d710c0acd9fd5898d3708.json
@@ -0,0 +1,28 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "SELECT player1_id, player2_id FROM rooms WHERE code = $1",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "player1_id",
+        "type_info": "Bpchar"
+      },
+      {
+        "ordinal": 1,
+        "name": "player2_id",
+        "type_info": "Bpchar"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Bpchar"
+      ]
+    },
+    "nullable": [
+      true,
+      true
+    ]
+  },
+  "hash": "886c680debfa2b3b79615056239aa68b9befd5e8fa0d710c0acd9fd5898d3708"
+}
diff --git a/.sqlx/query-8f8213cf51509cca2706438456f58e958c32a307b5c1eb87c4469347bf5458f6.json b/.sqlx/query-8f8213cf51509cca2706438456f58e958c32a307b5c1eb87c4469347bf5458f6.json
new file mode 100644
index 0000000..12b744d
--- /dev/null
+++ b/.sqlx/query-8f8213cf51509cca2706438456f58e958c32a307b5c1eb87c4469347bf5458f6.json
@@ -0,0 +1,15 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "INSERT INTO players (id, room_code) VALUES ($1, $2) ON CONFLICT (id) DO UPDATE SET room_code = $2",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Left": [
+        "Bpchar",
+        "Bpchar"
+      ]
+    },
+    "nullable": []
+  },
+  "hash": "8f8213cf51509cca2706438456f58e958c32a307b5c1eb87c4469347bf5458f6"
+}
diff --git a/.sqlx/query-91373ba2f6f9907be9ba0280e49b8886fcc60e7debfe0580325c3767f0af7410.json b/.sqlx/query-91373ba2f6f9907be9ba0280e49b8886fcc60e7debfe0580325c3767f0af7410.json
new file mode 100644
index 0000000..08a31f3
--- /dev/null
+++ b/.sqlx/query-91373ba2f6f9907be9ba0280e49b8886fcc60e7debfe0580325c3767f0af7410.json
@@ -0,0 +1,15 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "UPDATE players SET id = $1, abandoned = FALSE WHERE id = $2",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Left": [
+        "Bpchar",
+        "Bpchar"
+      ]
+    },
+    "nullable": []
+  },
+  "hash": "91373ba2f6f9907be9ba0280e49b8886fcc60e7debfe0580325c3767f0af7410"
+}
diff --git a/.sqlx/query-a2c3b8b4c2ff313bbea7ba16d106a04dd9c162a5ddddec674fcca6fe9e347ac8.json b/.sqlx/query-a2c3b8b4c2ff313bbea7ba16d106a04dd9c162a5ddddec674fcca6fe9e347ac8.json
new file mode 100644
index 0000000..3fd9b15
--- /dev/null
+++ b/.sqlx/query-a2c3b8b4c2ff313bbea7ba16d106a04dd9c162a5ddddec674fcca6fe9e347ac8.json
@@ -0,0 +1,22 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "SELECT board FROM players WHERE id = $1",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "board",
+        "type_info": "BpcharArray"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Bpchar"
+      ]
+    },
+    "nullable": [
+      true
+    ]
+  },
+  "hash": "a2c3b8b4c2ff313bbea7ba16d106a04dd9c162a5ddddec674fcca6fe9e347ac8"
+}
diff --git a/.sqlx/query-ae4cbc5afe767fbbceeb6c056dbbab2abcd3a8066bd48dde6cb559e4a74d73e9.json b/.sqlx/query-ae4cbc5afe767fbbceeb6c056dbbab2abcd3a8066bd48dde6cb559e4a74d73e9.json
new file mode 100644
index 0000000..9014dc7
--- /dev/null
+++ b/.sqlx/query-ae4cbc5afe767fbbceeb6c056dbbab2abcd3a8066bd48dde6cb559e4a74d73e9.json
@@ -0,0 +1,45 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "SELECT stat AS \"stat: Status\", player1_id, player2_id FROM rooms WHERE code = $1",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "stat: Status",
+        "type_info": {
+          "Custom": {
+            "name": "stat",
+            "kind": {
+              "Enum": [
+                "waiting",
+                "p1turn",
+                "p2turn"
+              ]
+            }
+          }
+        }
+      },
+      {
+        "ordinal": 1,
+        "name": "player1_id",
+        "type_info": "Bpchar"
+      },
+      {
+        "ordinal": 2,
+        "name": "player2_id",
+        "type_info": "Bpchar"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Bpchar"
+      ]
+    },
+    "nullable": [
+      false,
+      true,
+      true
+    ]
+  },
+  "hash": "ae4cbc5afe767fbbceeb6c056dbbab2abcd3a8066bd48dde6cb559e4a74d73e9"
+}
diff --git a/.sqlx/query-e16ac18c9148efc1618f67bd68216eb7d27113847b63eae595b48c756f72ca11.json b/.sqlx/query-e16ac18c9148efc1618f67bd68216eb7d27113847b63eae595b48c756f72ca11.json
new file mode 100644
index 0000000..068a1b6
--- /dev/null
+++ b/.sqlx/query-e16ac18c9148efc1618f67bd68216eb7d27113847b63eae595b48c756f72ca11.json
@@ -0,0 +1,22 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "SELECT code FROM rooms WHERE code = $1",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "code",
+        "type_info": "Bpchar"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Bpchar"
+      ]
+    },
+    "nullable": [
+      false
+    ]
+  },
+  "hash": "e16ac18c9148efc1618f67bd68216eb7d27113847b63eae595b48c756f72ca11"
+}
diff --git a/.sqlx/query-f37db03b228702d59233d66c799d520adc9e2e74688ea17b4c36b5abc0fabaa4.json b/.sqlx/query-f37db03b228702d59233d66c799d520adc9e2e74688ea17b4c36b5abc0fabaa4.json
new file mode 100644
index 0000000..24042ac
--- /dev/null
+++ b/.sqlx/query-f37db03b228702d59233d66c799d520adc9e2e74688ea17b4c36b5abc0fabaa4.json
@@ -0,0 +1,14 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "UPDATE players SET abandoned = TRUE WHERE id = $1",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Left": [
+        "Bpchar"
+      ]
+    },
+    "nullable": []
+  },
+  "hash": "f37db03b228702d59233d66c799d520adc9e2e74688ea17b4c36b5abc0fabaa4"
+}
diff --git a/.sqlx/query-f9c94f686e78e9d6ca5a68d658e333a1791de7353faef131f0c6b6d07a0aad16.json b/.sqlx/query-f9c94f686e78e9d6ca5a68d658e333a1791de7353faef131f0c6b6d07a0aad16.json
new file mode 100644
index 0000000..a893118
--- /dev/null
+++ b/.sqlx/query-f9c94f686e78e9d6ca5a68d658e333a1791de7353faef131f0c6b6d07a0aad16.json
@@ -0,0 +1,22 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "SELECT abandoned FROM players WHERE id = $1",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "abandoned",
+        "type_info": "Bool"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Bpchar"
+      ]
+    },
+    "nullable": [
+      false
+    ]
+  },
+  "hash": "f9c94f686e78e9d6ca5a68d658e333a1791de7353faef131f0c6b6d07a0aad16"
+}
diff --git a/src/game.rs b/src/game.rs
index d56ff68..ce99ce9 100644
--- a/src/game.rs
+++ b/src/game.rs
@@ -64,7 +64,7 @@ async fn generate_code(pool: &sqlx::PgPool) -> Result<String> {
 
 pub async fn add_room(sid: Sid, pool: &sqlx::PgPool) -> Result<String> {
     delete_sid(sid.as_str(), pool).await?;
-    let code = generate_code(&pool).await?;
+    let code = generate_code(pool).await?;
 
     sqlx::query!(
         r"WITH new_user AS (INSERT INTO players (id, room_code) VALUES ($1, $2) RETURNING id) INSERT INTO rooms (player1_id, code) SELECT $1, $2 FROM new_user",
@@ -88,11 +88,11 @@ pub async fn join_room(sid: Sid, code: String, pool: &sqlx::PgPool) -> Result<()
     let sid = sid.as_str();
 
     if let (Some(p1), Some(p2)) = (room.player1_id.as_ref(), room.player2_id.as_ref()) {
-        if in_delete_sid(&p1, &pool).await? {
-            update_sid(&p1, sid, pool).await?;
+        if in_delete_sid(p1, pool).await? {
+            update_sid(p1, sid, pool).await?;
             return Err(Error::RoomFull(Some(p1.to_string())));
-        } else if in_delete_sid(&p2, &pool).await? {
-            update_sid(&p2, sid, pool).await?;
+        } else if in_delete_sid(p2, pool).await? {
+            update_sid(p2, sid, pool).await?;
             return Err(Error::RoomFull(Some(p2.to_string())));
         }
         return Err(Error::RoomFull(None));
@@ -205,7 +205,6 @@ pub async fn get_game_state(
         .into_iter()
         .map(|row| {
             row.chars()
-                .into_iter()
                 .map(|x| if x == 's' { 'e' } else { x })
                 .collect()
         })
diff --git a/src/main.rs b/src/main.rs
index ba2d60e..6bead74 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -8,7 +8,6 @@ use game::{
     add_board, add_room, attack, delete_sid, get_game_state, get_room, join_room,
     room_if_player_exists, start, to_delete_sid, update_sid, Error, ROOM_CODE_LENGTH,
 };
-use rand::Rng;
 
 use serde::Deserialize;
 use socketioxide::{
@@ -58,8 +57,8 @@ async fn on_connect(socket: SocketRef, Data(auth): Data<AuthPayload>, pool: Stat
     if let Some(sid) = auth.session {
         update_sid(&sid, socket.id.as_str(), &pool).await.unwrap();
         let sid = socket.id.as_str();
-        if let Some(room) = room_if_player_exists(&sid, &pool).await.unwrap() {
-            let data = get_game_state(&sid, &room, &pool).await.unwrap();
+        if let Some(room) = room_if_player_exists(sid, &pool).await.unwrap() {
+            let data = get_game_state(sid, &room, &pool).await.unwrap();
             socket
                 .emit(
                     "restore",
@@ -116,7 +115,7 @@ async fn on_connect(socket: SocketRef, Data(auth): Data<AuthPayload>, pool: Stat
             if let Err(e) = &room_error {
                 if let Error::RoomFull(Some(player)) = &e {
                     tracing::warn!("{:?}", e);
-                    update_sid(&player, socket.id.as_str(), &pool).await.unwrap();
+                    update_sid(player, socket.id.as_str(), &pool).await.unwrap();
                     let data = get_game_state(socket.id.as_str(), &room, &pool).await.unwrap();
                     socket
                         .emit(
@@ -220,9 +219,9 @@ async fn leave_and_inform(socket: &SocketRef, pool: &PgPool, delete: bool) {
     emit_update_room(socket, &room.to_string(), ops.sockets().unwrap().len());
     let sid = socket.id.as_str();
     if let Err(e) = if delete {
-        delete_sid(sid, &pool).await
+        delete_sid(sid, pool).await
     } else {
-        to_delete_sid(sid, &pool).await
+        to_delete_sid(sid, pool).await
     } {
         tracing::error!("{:?}", e);
     }