Minor changes

Author: VadimGrznk

Readme.md

@@ -162,7 +162,10 @@ In addition to signing the transaction, the wallet can sign messages:
 
 ```python
 from celo_sdk.kit import Kit
+from celo_sdk.celo_account.messages import encode_defunct
 
 kit = Kit('https://alfajores-forno.celo-testnet.org')
-signature = kit.wallet.sign_message(b'some message')
+message = self.kit.w3.soliditySha3(['address'], [signer]).hex()  # For example we want to sign someones address
+message = encode_defunct(hexstr=message)
+signature = self.kit.wallet.active_account.sign_message(message)
 ```

celo_sdk/registry_contracts.json

@@ -735,52 +735,6 @@
             "stateMutability": "nonpayable",
             "type": "function"
           },
-          {
-            "constant": false,
-            "inputs": [
-              {
-                "name": "authorized",
-                "type": "address"
-              },
-              {
-                "name": "v",
-                "type": "uint8"
-              },
-              {
-                "name": "r",
-                "type": "bytes32"
-              },
-              {
-                "name": "s",
-                "type": "bytes32"
-              }
-            ],
-            "name": "getSigner",
-            "outputs": [{
-              "name": "",
-              "type": "address"
-            }],
-            "payable": false,
-            "stateMutability": "nonpayable",
-            "type": "function"
-          },
-          {
-            "constant": false,
-            "inputs": [
-              {
-                "name": "signer",
-                "type": "address"
-              }
-            ],
-            "name": "getHashAddress",
-            "outputs": [{
-              "name": "",
-              "type": "bytes32"
-            }],
-            "payable": false,
-            "stateMutability": "nonpayable",
-            "type": "function"
-          },
           {
             "constant": false,
             "inputs": [

celo_sdk/tests/test_data.py

@@ -24,4 +24,6 @@
 }
 
 oracle = '0xb2fd4d29c1390b71b8795ae81196bfd60293adf99f9d32a0aff06288fcdac55f'
-oracle_address = '0x7457d5E02197480Db681D3fdF256c7acA21bDc12'
+oracle_address = '0x7457d5E02197480Db681D3fdF256c7acA21bDc12'
+
+recovered_pub_key = '0x0a0b36f43a5702cd673073f2e3094fe6fac46d2fc53b14197fc6ecf5a8c8ba798cfa169302fb5d5d6310581695efa941ae69a99d126954c369ada5c567fff293'

celo_sdk/utils/hash_utils.py

@@ -16,7 +16,7 @@ def message_length(message: str) -> str:
     else:
         return str(len(message))
 
-def hash_message_with_prefix(web3: Web3, message: str) -> bytes:
+def hash_message_with_prefix(web3: Web3, message: str) -> str:
     prefix = '\x19Ethereum Signed Message:\n'
     hashed_message = web3.soliditySha3(['string'], [prefix + message_length(message) + message])
     return hashed_message