new class: Imported_Wallet

lib/bitcoin.py

@@ -285,6 +285,10 @@ def address_from_private_key(sec):
 
 
 def is_valid(addr):
+    return is_address(addr)
+
+
+def is_address(addr):
     ADDRESS_RE = re.compile('[1-9A-HJ-NP-Za-km-z]{26,}\\Z')
     if not ADDRESS_RE.match(addr): return False
     try:
@@ -294,6 +298,10 @@ def is_valid(addr):
     return addr == hash_160_to_bc_address(h, addrtype)
 
 
+def is_private_key(key):
+    return ASecretToSecret(key) is not False
+
+
 ########### end pywallet functions #######################
 
 try: