vote.proto

syntax = "proto3";
package netvote;

// index in this array represents index of option in question on ballot
// value of each entry represents number of points each option is given
// points: [0,0,3,5] means 1st gets 0, 2nd gets 0, 3rd gets 3, 4th gets 5
// ranked: [3,2,4,1] means 1st is 3rd choice, 2nd is 2nd choice, 3rd is 4th choice, 4th is 1st choice 
message PointsAllocation {
    repeated uint32 points = 1;
}

// index in this array is not meaningful
// value of each entry represents the index of chosen option in question on ballot
// [0,5] means choose the 1st choice and 6th choice 
message IndexSelection {
    repeated uint32 indexes = 1;
}

message VoteChoice {

    oneof choice {
        // choose one index from choices (default)
        uint32 selection = 1;
        // write-in value (any string, could be anything)
        string write_in = 2;
        // allocate points amongst selections (points or ranked choice)
        PointsAllocation points_allocations = 3; 
        // choose which indexes to allocate 1 vote to (multiple choice)
        IndexSelection index_selections = 4;
        // if true, then ignored
        bool abstain = 5;
    }
}

message BallotVote {
    repeated VoteChoice choices = 1;
}

message Vote {
    // set by encryptor before encrypting (uint64 for footprint/cost)
    uint64 encryption_seed = 1;
    repeated BallotVote ballot_votes = 2;
    // weight is only set by the gateway, default 1.0
    // tally will use 1.0 if no weight is set
    string weight = 3;
    // if true, then tally will ignore this vote upon decryption
    bool decoy = 4;
    // set by voter before signing
    string signature_seed = 5;
}