state manager

app/codes/contractmanager.py

@@ -0,0 +1,17 @@
+import os
+import codecs
+import ecdsa
+from Crypto.Hash import keccak
+
+
+def create_contract_address():
+    private_key_bytes = os.urandom(32)
+    key = ecdsa.SigningKey.from_string(private_key_bytes, curve=ecdsa.SECP256k1).verifying_key
+    key_bytes = key.to_string()
+    public_key = codecs.encode(key_bytes, 'hex')
+    public_key_bytes = codecs.decode(public_key, 'hex')
+    hash = keccak.new(digest_bits=256)
+    hash.update(public_key_bytes)
+    keccak_digest = hash.hexdigest()
+    address = 'ct' + keccak_digest[-40:]   # this overwrites the None value in the init call, whenever on-chain contract is setup
+    return address