remove POLL_RESULT_KEY_TOTAL_BALLOTS

Author: cyjseagull

solution/anonymous_ciphertext_voting/src/coordinator.rs

@@ -354,28 +354,6 @@ pub fn finalize_vote_result(
     max_vote_limit: i64,
 ) -> Result<VoteResultStorage, WedprError> {
     let mut result = VoteResultStorage::new();
-    let blank_c1_sum =
-        bytes_to_point(vote_sum.get_blank_ballot().get_ciphertext1())?;
-    let blank_c2_r_sum = bytes_to_point(
-        aggregated_decrypted_result
-            .get_blank_part()
-            .get_blinding_c2(),
-    )?;
-
-    // Compute the total votes.
-    let target_total = blank_c1_sum - blank_c2_r_sum;
-    let mut calculate_total_iter = 0;
-    for i in 0..=max_vote_limit {
-        calculate_total_iter = &calculate_total_iter + 1;
-        if target_total.eq(&(*BASEPOINT_G1 * Scalar::from(i as u64))) {
-            let mut new_pair = StringToInt64Pair::new();
-            new_pair.set_key(POLL_RESULT_KEY_TOTAL_BALLOTS.to_string());
-            new_pair.set_value(i);
-            result.mut_result().push(new_pair);
-            break;
-        }
-    }
-
     // Compute the votes for each candidate.
     let mut iter = 0;
     for candidate in poll_parameters.get_candidates().get_candidate() {
@@ -401,9 +379,7 @@ pub fn finalize_vote_result(
         }
     }
     wedpr_println!(
-        "** finalize_vote_result calculate_total_iter: {:?}, decrypt \
-         candidate iter: {:?}, result: {:?}",
-        calculate_total_iter,
+        "** finalize_vote_result: decrypt candidate iter: {:?}, result: {:?}",
         iter,
         result.get_result()
     );

solution/anonymous_ciphertext_voting/src/lib.rs

@@ -922,13 +922,8 @@ mod tests {
         .unwrap();
         assert!(result);
         // check the candidate result(with Wedpr_voting_total_ballots)
-        assert!(final_result_request_unlisted.get_result().len() == 4);
+        assert!(final_result_request_unlisted.get_result().len() == 3);
         for candidate_result in final_result_request_unlisted.get_result() {
-            if candidate_result.get_key()
-                == POLL_RESULT_KEY_TOTAL_BALLOTS.to_string()
-            {
-                assert!(candidate_result.get_value() == 60);
-            }
             if candidate_result.get_key() == "Alice" {
                 assert!(candidate_result.get_value() == 40);
             }

solution/anonymous_ciphertext_voting/src/verifier.rs

@@ -174,15 +174,6 @@ pub fn verify_vote_result(
             .get_blinding_c2(),
     )?;
 
-    let blank_result =
-        get_int64_by_candidate(vote_result, POLL_RESULT_KEY_TOTAL_BALLOTS)?;
-    let expected_blank_ballot_result = blank_c1_sum - (blank_c2_r_sum);
-    if expected_blank_ballot_result
-        .ne(&(*BASEPOINT_G1 * (Scalar::from(blank_result as u64))))
-    {
-        return Ok(false);
-    }
-
     for candidate in poll_parameters.get_candidates().get_candidate() {
         let ballot = get_ballot_by_candidate(vote_sum, candidate)?;
         let candidate_counting_part = get_counting_part_by_candidate(