diff --git a/blockchain/input.txt b/blockchain/input.txt
index 4efbe386abffd854811b30f5f76367dd5d66a174..e41c12f7b5e42ce45f13b9a7c6ba86886094b4a7 100644
Binary files a/blockchain/input.txt and b/blockchain/input.txt differ
diff --git a/blockchain/test.txt b/blockchain/test.txt
index 0bdc04c78f645138deb73a7c35eb02bdf3f047a9..182ec82a42e63f42e02837105959426f11d1fb7e 100644
Binary files a/blockchain/test.txt and b/blockchain/test.txt differ
diff --git a/blockchain_gremaud_tefridj.py b/blockchain_gremaud_tefridj.py
index 5645925d13f1d77e6104c221df2627f60683a988..8593b8204e03c0013fd3a404ac37dac207d2de51 100644
--- a/blockchain_gremaud_tefridj.py
+++ b/blockchain_gremaud_tefridj.py
@@ -2,9 +2,10 @@
 
 Usage:
 ======
-    python blockchain_gremaud_tefridj.py file_name
+    python blockchain_gremaud_tefridj.py file_name nonce
 
     file_name: le nom du fichier pour commencer la blockchain
+    nonce: la taille du nonce voulu pour le minage
 """
 
 __authors__ = ("Denis Gremaud", "Yanis Tefridj")
@@ -17,11 +18,10 @@ __version__= "1.0.1"
 import sys
 import hashlib
 import sys
-import math
 import os
 import time
 
-NONCE_SIZE = 13 # number of numbre that should be 0 in nonce
+NONCE_SIZE = 13
 
 """permet de lire un fichier
 
@@ -58,7 +58,6 @@ def write_file_blockchain(input_file_path, data):
     file.write(data)
     file.close()
 
-
 """permet d'obtenir le hash d'un fichier en sha256
 
     Args:
@@ -75,19 +74,16 @@ def hash_data(data, print_hash=False):
         print('hash : {}'.format(hash_file))
     return hash_file
 
-"""permet de lire un fichier et ensuite de le hash en sha256
-
-    Args:
-        file_name: le path ou nom du fichier a lire et a hash
-        print_hash: variable initialiser a false mais si true permet d'afficher le hash
-
-    Returns:
-        le hash du contenu du fichier
+def print_last_block(input_file_path, block_current, time):
+    print("-"*90)
+    print("Insertion de {}".format(input_file_path))
+    print("Temps de minage : {} secondes\n".format(time))
+    print("Numéro du block : {}".format(block_current.block_number[0]))
+    print("Hash du block précedent : 0x{}".format(block_current.block_prev_hash.hex()))
+    print("Nonce : {}".format(int.from_bytes(block_current.nonce, byteorder ='big')))
+    print("Hash du block courant : 0x{}".format(block_current.block_hash))
+    print("-"*90)
 
-"""
-def hash_file(input_file_path, print_hash=False):
-    return hash_data(read_file_blockchain(input_file_path), print_hash)
-    
 class blockchain:
 
     def __init__(self, input_file_path="", strength=13):
@@ -118,12 +114,6 @@ class blockchain:
             self.first_block = block
         self.total_block += 1
 
-    def read(self, input_file_path):
-        read_b = block(input_file_path)
-        read_b.block_number, read_b.block_prev_hash = read_file_blockchain(input_file_path, mode=2)
-        read_b.block_hash = hash_file(input_file_path)
-        return read_b
-
 class block:
 
     def __init__(self, file_path, block_number=0, block_prev_hash=0x00, block_obj=None, nonce=0):
@@ -134,41 +124,36 @@ class block:
         self.block_obj = block_obj
         self.block_hash = ""
 
-def print_block(input_file_path, block_current):
-    print("Insertion de [", input_file_path, "]\n")
-    print("Numéro du block : ", block_current.block_number[0])
-    print("Hash du block pointé : 0x", block_current.block_prev_hash.hex())
-    print("Nonce : ", int.from_bytes(block_current.nonce, byteorder ='big'))
-    print("Hash du block inséré : 0x", block_current.block_hash)
-    print("-"*90)
-
 if __name__ == '__main__':
     if len(sys.argv) > 1: # on test si on a spécifié un nom de fichier à trier
         input_file_path = sys.argv[1]
+        
+        if len(sys.argv) == 2:
+            nonce_size = NONCE_SIZE
+        else:
+            nonce_size = int(sys.argv[2])
+        
         if os.path.exists(input_file_path) == True:
             if os.path.isdir('blockchain') is not True:
                 os.mkdir('blockchain')
             
-            t = time.time()
-            blockchain = blockchain(input_file_path, NONCE_SIZE)
-            t = time.time() - t
-            print("\nTemps d'insertion : ", t)
-
-            input_file_path = os.path.join("blockchain", input_file_path)
-            first_block_read = blockchain.read(input_file_path)
-            print_block(input_file_path, blockchain.first_block)
+            time_exec = time.time()
+            blockchain = blockchain(input_file_path, nonce_size)
+            time_exec = time.time() - time_exec
+    
+            print_last_block(input_file_path, blockchain.first_block, time_exec)
 
             input_file_path = input("\nEntrer un nouveau chemin de fichier à insérer : ")
             while input_file_path != "exit":
                 if os.path.exists(input_file_path) == True:
+
                     block_input = block(input_file_path, blockchain.total_block, int(blockchain.first_block.block_hash, 16), blockchain.first_block)
-                    t = time.time()
+
+                    time_exec = time.time()
                     blockchain.insert(block_input)
-                    t = time.time() - t
-                    print("\nTemps d'insertion : ", t)
-                    input_file_path = os.path.join("blockchain", input_file_path)
-                    block_read = blockchain.read(input_file_path)
-                    print_block(input_file_path, blockchain.first_block)
+                    time_exec = time.time() - time_exec
+
+                    print_last_block(input_file_path, blockchain.first_block, time_exec)
                     input_file_path = input("\nEntrer un nouveau chemin de fichier à insérer : ")
                 else:
                     print("Le fichier spécifié n'existe pas !") # message affiché si le fichier n'existe pas