Update app.py

app.py

@@ -285,7 +285,7 @@ def mychain_mine_block_send(balance, chain_r=None,chain_n=None):
     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(balance, proof, previous_hash,chain_r,chain_n)
+    block = mychain_send.create_block(balance, proof, previous_hash,len(blockchain.chain)+1,chain_r,chain_n)
 
     response = {'message': 'A block is MINED',
                 'index': block['index'],
@@ -311,7 +311,7 @@ def mychain_mine_block_rec(balance, chain_r=None,chain_n=None):
     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(balance, proof, previous_hash,chain_r,chain_n)
+    block = mychain_rec.create_block(balance, proof, previous_hash,len(blockchain.chain)+1,chain_r,chain_n)
 
     response = {'message': 'A block is MINED',
                 'index': block['index'],