[tor-commits] [stem/master] Populate fingerprints for created server descriptors

[atagar@xxxxxxxxxxxxxx]

commit 02eb36058f91f88952378df76bc8584fa8a95ee0
Author: Damian Johnson <atagar@xxxxxxxxxxxxxx>
Date:   Fri Jun 30 10:25:57 2017 -0700

    Populate fingerprints for created server descriptors
    
    Not technically a mandatory field but lets be honest, if you provide a signing
    key you want this. ;P
---
 stem/descriptor/server_descriptor.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/stem/descriptor/server_descriptor.py b/stem/descriptor/server_descriptor.py
index 42cbca6..643831b 100644
--- a/stem/descriptor/server_descriptor.py
+++ b/stem/descriptor/server_descriptor.py
@@ -826,6 +826,10 @@ class RelayDescriptor(ServerDescriptor):
       if signing_key is None:
         signing_key = create_signing_key()
 
+      if 'fingerprint' not in attr:
+        fingerprint = hashlib.sha1(_bytes_for_block(signing_key.public_digest.strip())).hexdigest().upper()
+        attr['fingerprint'] = ' '.join(stem.util.str_tools._split_by_length(fingerprint, 4))
+
       attr['signing-key'] = signing_key.public_digest
 
       content = _descriptor_content(attr, exclude, sign, base_header) + b'\nrouter-signature\n'

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