prop250: Put commits and SRVs in votes/consensus

This commit adds the commit(s) line in the vote as well as the SR values. It
also has the mechanism to add the majority SRVs in the consensus.

Signed-off-by: George Kadianakis <desnacked@riseup.net>
Signed-off-by: David Goulet <dgoulet@torproject.org>

1 files changed, 21 insertions, 0 deletions

diff --git a/src/or/or.h b/src/or/or.h
index 5a19f9a944..1b7f1a8568 100644
--- a/src/or/or.h
+++ b/src/or/or.h
@@ -2505,6 +2505,18 @@ typedef struct networkstatus_voter_info_t {
   smartlist_t *sigs;
 } networkstatus_voter_info_t;
 
+typedef struct networkstatus_sr_info_t {
+  /* Indicate if the dirauth partitipates in the SR protocol with its vote.
+   * This is tied to the SR flag in the vote. */
+  unsigned int participate:1;
+  /* Both vote and consensus: Current and previous SRV. If list is empty,
+   * this means none were found in either the consensus or vote. */
+  struct sr_srv_t *previous_srv;
+  struct sr_srv_t *current_srv;
+  /* Vote only: List of commitments. */
+  smartlist_t *commits;
+} networkstatus_sr_info_t;
+
 /** Enumerates the possible seriousness values of a networkstatus document. */
 typedef enum {
   NS_TYPE_VOTE,
@@ -2587,6 +2599,9 @@ typedef struct networkstatus_t {
   /** If present, a map from descriptor digest to elements of
    * routerstatus_list. */
   digestmap_t *desc_digest_map;
+
+  /** Contains the shared random protocol data from a vote or consensus. */
+  networkstatus_sr_info_t sr_info;
 } networkstatus_t;
 
 /** A set of signatures for a networkstatus consensus.  Unless otherwise
@@ -4480,6 +4495,12 @@ typedef struct {
 
   /** Autobool: Do we try to retain capabilities if we can? */
   int KeepBindCapabilities;
+
+  /** Bool (default: 1): Switch for the shared random protocol. Only
+   * relevant to a directory authority. If off, the authority won't
+   * participate in the protocol. If on (default), a flag is added to the
+   * vote indicating participation. */
+  int AuthDirSharedRandomness;
 } or_options_t;
 
 /** Persistent state for an onion router, as saved to disk. */