diff --git a/lib/database/accounts_to_postgres.dart b/lib/database/accounts_to_postgres.dart
new file mode 100644
index 0000000..0a43c8c
--- /dev/null
+++ b/lib/database/accounts_to_postgres.dart
@@ -0,0 +1,94 @@
+
+import 'dart:convert';
+import 'dart:io';
+import 'package:postgres/postgres.dart';
+
+class AccountsToPostgres{
+  final connection = PostgreSQLConnection("localhost", 5432, 'passworld',username: 'pass',password: '1p2a3s4s5');
+  
+  AccountsToPostgres(){
+    initConnection();
+  }
+
+  void initConnection()async{
+    await connection.open().then((value){
+      print("PostgreSQL connection opened");
+
+    });
+  }
+
+  @override
+  void create(String id,String hash,String salt,List<String> twoFaStr, File passwordFile ) async {
+    List<int> passwordBlob = utf8.encode( await passwordFile.readAsString(encoding: utf8));
+    
+    
+    connection.query("INSERT INTO \"Account\" VALUES(@id,@hash,@salt,@twofa,@passwords)",substitutionValues: {
+    "id" : id,
+    "hash" : hash,
+    "salt" : salt,
+    "twofa" : twoFaStr,
+    "passwords" : passwordBlob
+    });
+  }
+
+  @override
+  Future<String> selectHashById(String id) async {
+    List<List<dynamic>> results = await connection.query("SELECT hash FROM \"Account\" WHERE id=@identifiant",substitutionValues: {
+      "identifiant" : id
+    });
+    
+    connection.close();
+    return results[0][0];
+  }
+
+  @override
+  void updatePass(String identifiant,String hash,String salt) async {
+    if(selectHashById(identifiant)==null){
+      return;
+    }else{
+      await connection.query("UPDATE \"Account\" SET hash=@h, salt=@s  WHERE id=@identifiant",substitutionValues: {
+      "identifiant" : identifiant,
+      "h" : hash,
+      "s" : salt
+      });
+    }
+  }
+
+  @override
+  void updateFilePass(String identifiant, File passwordFile) async{
+    List<int> passwordBlob = utf8.encode( await passwordFile.readAsString(encoding: utf8));
+
+    if(selectHashById(identifiant)==null){
+      return;
+    }else{
+      await connection.query("UPDATE \"Account\" SET passwords=@p WHERE id=@identifiant",substitutionValues: {
+      "identifiant" : identifiant,
+      "p" : passwordBlob
+      });
+    }
+  }
+
+  @override
+  void updateTwoFa(String identifiant,List<String> tfa) async {
+    List<String> twoFaStr = List.empty(growable: true);
+
+    if(selectHashById(identifiant)==null){
+      return;
+    }else{
+      await connection.query("UPDATE \"Account\" SET twofa=@tfa WHERE id=@identifiant",substitutionValues: {
+      "identifiant" : identifiant,
+      "tfa" : tfa 
+      });
+    }  
+  }
+
+
+
+
+  @override
+  void DeleteById(String id) async{
+    await connection.query("DELETE FROM \"Account\" WHERE id=@identifiant",substitutionValues: {
+      "identifiant" : id
+    });
+  }
+}
\ No newline at end of file
diff --git a/lib/database/blank.inutile b/lib/database/blank.inutile
deleted file mode 100644
index e69de29..0000000
diff --git a/pubspec.lock b/pubspec.lock
index fc673b5..b687f02 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -36,6 +36,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.1"
+  buffer:
+    dependency: transitive
+    description:
+      name: buffer
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.1"
   collection:
     dependency: transitive
     description:
@@ -183,6 +190,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.8.2"
+  pedantic:
+    dependency: transitive
+    description:
+      name: pedantic
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.11.1"
   pool:
     dependency: transitive
     description:
@@ -190,6 +204,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.5.1"
+  postgres:
+    dependency: "direct main"
+    description:
+      name: postgres
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.5.2"
   pub_semver:
     dependency: transitive
     description:
@@ -197,6 +218,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.3"
+  sasl_scram:
+    dependency: transitive
+    description:
+      name: sasl_scram
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.1"
+  saslprep:
+    dependency: transitive
+    description:
+      name: saslprep
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.2"
   shelf:
     dependency: "direct main"
     description:
@@ -309,6 +344,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.3.1"
+  unorm_dart:
+    dependency: transitive
+    description:
+      name: unorm_dart
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.2.0"
   vm_service:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index 8ff70c4..a7cafa0 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -9,6 +9,7 @@ environment:
 dependencies:
   args: ^2.0.0
   path: ^1.8.2
+  postgres: ^2.5.2
   shelf: ^1.1.0
   shelf_router: ^1.0.0