syntax = "proto3";

// Database message definition from:
// https://github.com/bluzelle/swarmDB/blob/devel/proto/database.proto

message database_msg
{
    database_header header = 2;

    oneof msg {
        database_create create = 10;
        database_read read = 11;
        database_update update = 12;
        database_delete delete = 13;
        database_has has = 14;
        database_empty keys = 15;
        database_empty size = 16;
    }
}

message database_redirect_response
{
    string leader_id = 1;
    string leader_name = 2;
    string leader_host = 3;
    uint32 leader_port = 4;
    uint32 leader_http_port = 5;
}

message database_header
{
    string db_uuid = 1;
    uint64 transaction_id = 2;
}

message database_create
{
    string key = 2;
    bytes value = 3;
}

message database_read
{
    string key = 2;
}

message database_update
{
    string key = 2;
    bytes value = 3;
}

message database_delete
{
    string key = 2;
}

message database_has
{
    string key = 2;
}

message database_empty {}

message database_response
{
    database_header header = 1;

    oneof success
    {
        database_redirect_response redirect = 2;
        response resp = 3;
    }

    message response
    {
        bytes value = 4;
        bool has = 5;
        int32 size = 6;
        string error = 7;
        repeated string keys = 8;
    }
}