add signmessage to wallet, update version

jmbase/setup.py

@@ -2,7 +2,7 @@
 
 
 setup(name='joinmarketbase',
-      version='0.2.0',
+      version='0.2.1',
       description='Joinmarket client library for Bitcoin coinjoins',
       url='http://github.com/AdamISZ/joinmarket-clientserver/jmbase',
       author='Adam Gibson',

jmbitcoin/jmbitcoin/secp256k1_main.py

@@ -230,12 +230,12 @@ def from_wif_privkey(wif_priv, compressed=True, vbyte=0):
         raise Exception("Private key has incorrect compression byte")
     return safe_hexlify(bin_key)
 
-def ecdsa_sign(msg, priv, usehex=True):
+def ecdsa_sign(msg, priv, formsg=False, usehex=True):
     hashed_msg = message_sig_hash(msg)
     if usehex:
         #arguments to raw sign must be consistently hex or bin
         hashed_msg = binascii.hexlify(hashed_msg)
-    sig = ecdsa_raw_sign(hashed_msg, priv, usehex, rawmsg=True)
+    sig = ecdsa_raw_sign(hashed_msg, priv, usehex, rawmsg=True, formsg=formsg)
     #note those functions only handles binary, not hex
     if usehex:
         sig = binascii.unhexlify(sig)
@@ -365,7 +365,8 @@ def ecdsa_raw_sign(msg,
                    usehex,
                    rawpriv=True,
                    rawmsg=False,
-                   usenonce=None):
+                   usenonce=None,
+                   formsg=False):
     '''Take the binary message msg and sign it with the private key
     priv.
     By default priv is just a 32 byte string, if rawpriv is false
@@ -386,17 +387,19 @@ def ecdsa_raw_sign(msg,
         newpriv = secp256k1.PrivateKey(p, raw=True, ctx=ctx)
     else:
         newpriv = secp256k1.PrivateKey(priv, raw=False, ctx=ctx)
+    if formsg:
+        sig = newpriv.ecdsa_sign_recoverable(msg, raw=rawmsg)
+        s, rid = newpriv.ecdsa_recoverable_serialize(sig)
+        return chr(31+rid) + s
     #Donations, thus custom nonce, currently disabled, hence not covered.
-    if usenonce: #pragma: no cover
+    elif usenonce: #pragma: no cover
         raise NotImplementedError
         #if len(usenonce) != 32:
         #    raise ValueError("Invalid nonce passed to ecdsa_sign: " + str(
         #        usenonce))
         #nf = ffi.addressof(_noncefunc.lib, "nonce_function_rand")
         #ndata = ffi.new("char [32]", usenonce)
         #usenonce = (nf, ndata)
-    if usenonce: #pragma: no cover
-        raise NotImplementedError
         #sig = newpriv.ecdsa_sign(msg, raw=rawmsg, custom_nonce=usenonce)
     else:
         #partial fix for secp256k1-transient not including customnonce;

jmbitcoin/setup.py

@@ -2,7 +2,7 @@
 
 
 setup(name='joinmarketbitcoin',
-      version='0.2.0',
+      version='0.2.1',
       description='Joinmarket client library for Bitcoin coinjoins',
       url='http://github.com/AdamISZ/joinmarket-clientserver/jmbitcoin',
       author='Adam Gibson',

jmclient/setup.py

@@ -2,12 +2,12 @@
 
 
 setup(name='joinmarketclient',
-      version='0.2.0',
+      version='0.2.1',
       description='Joinmarket client library for Bitcoin coinjoins',
       url='http://github.com/AdamISZ/joinmarket-clientserver/jmclient',
       author='Adam Gibson',
       author_email='[email protected]',
       license='GPL',
       packages=['jmclient'],
-      install_requires=['joinmarketbase==0.2.0'],
+      install_requires=['joinmarketbase==0.2.1'],
       zip_safe=False)

jmdaemon/setup.py

@@ -2,12 +2,12 @@
 
 
 setup(name='joinmarketdaemon',
-      version='0.2.0',
+      version='0.2.1',
       description='Joinmarket client library for Bitcoin coinjoins',
       url='http://github.com/AdamISZ/joinmarket-clientserver/jmdaemon',
       author='Adam Gibson',
       author_email='[email protected]',
       license='GPL',
       packages=['jmdaemon'],
-      install_requires=['txsocksx', 'pyopenssl', 'libnacl', 'joinmarketbase==0.2.0'],
+      install_requires=['txsocksx', 'pyopenssl', 'libnacl', 'joinmarketbase==0.2.1'],
       zip_safe=False)

scripts/wallet-tool.py

@@ -32,7 +32,10 @@
     'privkeys are spaces or commas separated. (dumpprivkey) Export '
     'a single private key, specify an hd wallet path (listwallets) '
     'Lists all wallets with creator and timestamp. (history) Show '
-    'all historical transaction details. Requires Bitcoin Core.')
+    'all historical transaction details. Requires Bitcoin Core.\n'
+    'signmessage\t\tSign a message with the private key from an address\n'
+    '\t\t\tin the wallet. Use with -H and specify an HD wallet\n'
+    '\t\t\tpath for the address.')
 
 parser = OptionParser(usage='usage: %prog [options] [wallet file] [method]',
                       description=description)
@@ -92,7 +95,7 @@
 methods = ['display', 'displayall', 'summary', 'showseed', 'importprivkey',
     'history', 'showutxos']
 methods.extend(noseed_methods)
-noscan_methods = ['showseed', 'importprivkey', 'dumpprivkey']
+noscan_methods = ['showseed', 'importprivkey', 'dumpprivkey', 'signmessage']
 
 if len(args) < 1:
     parser.error('Needs a wallet file or method')
@@ -316,6 +319,18 @@ def cus_print(s):
         print(' ')
         i += 1
     print(str(i - 1) + ' Wallets have been found.')
+elif method == 'signmessage':
+    message = args[2]
+    if options.hd_path.startswith('m/0/'):
+        m, forchange, k = [int(y) for y in options.hd_path[4:].split('/')]
+        key = wallet.get_key(m, forchange, k)
+        addr = btc.privkey_to_address(key, magicbyte=get_p2pk_vbyte())
+        print('Using address: ' + addr)
+    else:
+        print('%s is not a valid hd wallet path' % options.hd_path)
+    sig = btc.ecdsa_sign(message, key, formsg=True)
+    print("Signature: " + str(sig))
+    print("To verify this in Bitcoin Core use the RPC command 'verifymessage'")
 elif method == 'history':
     #sort txes in a db because python can be really bad with large lists
     con = sqlite3.connect(":memory:")