Update chatchain.py

chatchain.py

@@ -11,6 +11,131 @@ chain_d="chain1.json"
 chain_t="trans1.json"
 
 
+
+def get_my_chain_send(sender_name=None):
+    global mychain_send
+    mes_error = ""
+    try:
+        r = requests.get(f'{main_balance}{sender_name}.json') 
+        
+        #print (f'r={r.text}')
+        mychain_send = MyChainSend(chain_load=main_balance,load=r.text)
+
+        response = {'chain': mychain_send.chain,
+                'length': len(mychain_send.chain)}
+        #print (f'response={response}')
+        
+            
+        message = f"Blockchain loaded from: {main_balance}{sender_name}.json"
+        return response,message
+    except Exception:
+        message = f"Error loading from: {sender_name}"
+        print (message)
+        return ["Error Loading Chain"],message
+        
+def get_my_chain_rec(recipient_name=None):
+    global mychain_rec
+
+    try:
+        r = requests.get(f'{main_balance}{recipient_name}.json') 
+        mychain_rec = MyChainRec(chain_load=main_balance,load=r.text)
+        response = {'chain': mychain_rec.chain,
+                'length': len(mychain_rec.chain)}
+        message = f"Blockchain loaded from: {main_balance}{recipient_name}.json"
+        return response,message
+    except Exception:
+        try:
+            mychain_rec = MyChainRec(chain_load=main_balance,create=recipient_name)
+            response = {'chain': mychain_rec.chain,
+                    'length': len(mychain_rec.chain)}
+            
+            message = f"Blockchain loaded from: {main_balance}{recipient_name}.json"
+            return response,message
+        except Exception:
+            message = f"Error loading from: {recipient_name}"
+            return ["Error Loading Chain"],message
+        
+def display_chain_send():
+    response = {'chain': mychain_send.chain,
+                'length': len(mychain_send.chain)}
+    return response
+    
+def display_chain_rec():
+    response = {'chain': mychain_rec.chain,
+                'length': len(mychain_rec.chain)}
+    return response
+    
+def valid_send():
+    valid,ind,mes = mychain_send.chain_valid(mychain_send.chain)
+    if valid:
+        response = 'The Blockchain is valid.'
+        z=True
+    else:
+        response = f'Sender Blockchain is not valid. {mes} at Index {ind}'
+        z=False
+    return response,z,mes,ind
+    
+def valid_rec():
+    valid,ind,mes = mychain_rec.chain_valid(mychain_rec.chain)
+    if valid:
+        response = 'The Blockchain is valid.'
+        z=True
+    else:
+        response = f'Blockchain is not valid. {mes} at Index {ind}'
+        z=False
+    return response,z, mes, ind
+
+
+
+def mychain_mine_block_send(chain_r=None,chain_n=None):
+    previous_block = mychain_send.print_previous_block()
+    previous_proof = previous_block['proof']
+    proof = mychain_send.proof_of_work(previous_proof)
+    previous_hash = mychain_send.hash(previous_block)
+    block = mychain_send.create_block(proof, previous_hash,chain_r,chain_n)
+
+    response = {'message': 'A block is MINED',
+                'index': block['index'],
+                'timestamp': block['timestamp'],
+                'proof': block['proof'],
+                'previous_hash': block['previous_hash']
+               }
+   
+    message = "A block is MINED"
+    show_chain = display_chain_send()
+    
+    if len(mychain_send.chain) > 1000:
+        mychain_send.reset()
+        response = None
+        show_chain=display_chain_send()
+        message = "New Chain Created at Max 20 Blocks"
+    
+    return response, show_chain,message
+
+def mychain_mine_block_rec(chain_r=None,chain_n=None):
+    previous_block = mychain_rec.print_previous_block()
+    previous_proof = previous_block['proof']
+    proof = mychain_rec.proof_of_work(previous_proof)
+    previous_hash = mychain_rec.hash(previous_block)
+    block = mychain_rec.create_block(proof, previous_hash,chain_r,chain_n)
+
+    response = {'message': 'A block is MINED',
+                'index': block['index'],
+                'timestamp': block['timestamp'],
+                'proof': block['proof'],
+                'previous_hash': block['previous_hash']
+               }
+    message = "A block is MINED"
+    show_chain = display_chain_rec()
+    if len(mychain_rec.chain) > 1000:
+        mychain_rec.reset()
+        response = None
+        show_chain=display_chain_rec()
+        message = "New Chain Created at Max 20 Blocks"
+    return response, show_chain, message
+
+
+
 def store_image(img,chain_load,address):
     main_chain_im=chain_load
     chain_r=f"{main_chain_im.split('datasets/',1)[1].split('/raw',1)[0]}"