do not base64encode signatures in requests

lib/bitcoin.py

@@ -488,7 +488,7 @@ class EC_KEY(object):
     def sign_message(self, message, compressed, address):
         signature = self.sign(Hash(msg_magic(message)))
         for i in range(4):
-            sig = base64.b64encode(chr(27 + i + (4 if compressed else 0)) + signature)
+            sig = chr(27 + i + (4 if compressed else 0)) + signature
             try:
                 self.verify_message(address, sig, message)
                 return sig
@@ -498,8 +498,7 @@ class EC_KEY(object):
             raise Exception("error: cannot sign message")
 
     @classmethod
-    def verify_message(self, address, signature, message):
-        sig = base64.b64decode(signature)
+    def verify_message(self, address, sig, message):
         if len(sig) != 65:
             raise Exception("Wrong encoding")
         nV = ord(sig[0])

lib/commands.py

@@ -24,6 +24,7 @@ import copy
 import argparse
 import json
 import ast
+import base64
 from functools import wraps
 from decimal import Decimal
 
@@ -361,12 +362,14 @@ class Commands:
     def signmessage(self, address, message):
         """Sign a message with a key. Use quotes if your message contains
         whitespaces"""
-        return self.wallet.sign_message(address, message, self.password)
+        sig = self.wallet.sign_message(address, message, self.password)
+        return base64.b64encode(sig)
 
     @command('')
     def verifymessage(self, address, signature, message):
         """Verify a signature."""
-        return bitcoin.verify_message(address, signature, message)
+        sig = base64.b64decode(signature)
+        return bitcoin.verify_message(address, sig, message)
 
     def _mktx(self, outputs, fee, change_addr, domain, nocheck, unsigned):
         self.nocheck = nocheck