vote by block

src/cryptonote_basic/cryptonote_basic.h

@@ -462,6 +462,7 @@ namespace cryptonote
     crypto::hash  prev_id;
     uint32_t nonce;
     crypto::signature signature;
+    uint16_t vote;
 
     BEGIN_SERIALIZE()
       VARINT_FIELD(major_version)
@@ -470,7 +471,10 @@ namespace cryptonote
       FIELD(prev_id)
       FIELD(nonce)
       if (major_version >= HF_VERSION_BLOCK_HEADER_MINER_SIG)
+      {
           FIELD(signature)
+          FIELD(vote)
+      }
     END_SERIALIZE()
   };
 

src/cryptonote_basic/cryptonote_boost_serialization.h

@@ -199,6 +199,7 @@ namespace boost
     if (b.major_version >= HF_VERSION_BLOCK_HEADER_MINER_SIG)
     {
       a & b.signature;
+      a & b.vote;
     }
     //------------------
     a & b.miner_tx;

src/cryptonote_basic/miner.cpp

@@ -101,6 +101,7 @@ namespace cryptonote
     const command_line::arg_descriptor<uint16_t>     arg_bg_mining_idle_threshold_percentage =  {"bg-mining-idle-threshold", "Specify minimum avg idle percentage over lookback interval", miner::BACKGROUND_MINING_DEFAULT_IDLE_THRESHOLD_PERCENTAGE, true};
     const command_line::arg_descriptor<uint16_t>     arg_bg_mining_miner_target_percentage =  {"bg-mining-miner-target", "Specify maximum percentage cpu use by miner(s)", miner::BACKGROUND_MINING_DEFAULT_MINING_TARGET_PERCENTAGE, true};
     const command_line::arg_descriptor<std::string> arg_spendkey =  {"spendkey", "Specify secret spend key used for mining", "", true};
+    const command_line::arg_descriptor<std::string>      arg_vote =  {"vote", "Vote for proposals.", "", true};
   }
 
 
@@ -294,6 +295,7 @@ namespace cryptonote
     command_line::add_arg(desc, arg_bg_mining_idle_threshold_percentage);
     command_line::add_arg(desc, arg_bg_mining_miner_target_percentage);
     command_line::add_arg(desc, arg_spendkey);
+    command_line::add_arg(desc, arg_vote);
   }
   //-----------------------------------------------------------------------------------------------------
   bool miner::init(const boost::program_options::variables_map& vm, network_type nettype)
@@ -309,6 +311,25 @@ namespace cryptonote
         m_spendkey = spendkey;
         m_viewkey = viewkey;
     }
+    if(!command_line::has_arg(vm, arg_vote))
+    {
+        m_int_vote = 0;
+    } else {
+        m_vote = command_line::get_arg(vm, arg_vote);
+        if(m_vote != "yes" && m_vote != "no")
+        {
+            LOG_ERROR("Voting format error, only a \"yes\" or \"no\" response is accepted");
+            return false;
+        }
+        if(m_vote == "yes")
+        {
+            m_int_vote = 1;
+        }
+        if(m_vote == "no")
+        {
+            m_int_vote = 2;
+        }
+    }
     if(command_line::has_arg(vm, arg_extra_messages))
     {
       std::string buff;
@@ -607,6 +628,7 @@ namespace cryptonote
         crypto::generate_signature(sig_data, output_public_key, eph_secret_key, signature);
         // amend signature to block header before PoW hashing
         b.signature = signature;
+        b.vote = m_int_vote;
       }
 
       crypto::hash h;
@@ -644,6 +666,14 @@ namespace cryptonote
         "                           //@@@@@@@@@@@@@@@@@//                 \n"
         << ENDL);
         MGINFO_GREEN("Awesome, you won a block reward!\n" << get_block_hash(b) << " at height " << height);
+        if (b.vote == 1)
+        {
+            MGINFO_GREEN("Your \"YES\" vote has been cast.");
+        }
+        if (b.vote == 2)
+        {
+            MGINFO_GREEN("Your \"NO\" vote has been cast.");
+        }
         cryptonote::block_verification_context bvc;
         if(!m_phandler->handle_block_found(b, bvc) || !bvc.m_added_to_main_chain)
         {

src/cryptonote_basic/miner.h

@@ -138,6 +138,8 @@ namespace cryptonote
     account_public_address m_mine_address;
     crypto::secret_key m_spendkey;
     crypto::secret_key m_viewkey;
+    std::string m_vote;
+    uint16_t m_int_vote;
     epee::math_helper::once_a_time_seconds<5> m_update_block_template_interval;
     epee::math_helper::once_a_time_seconds<2> m_update_merge_hr_interval;
     epee::math_helper::once_a_time_seconds<1> m_autodetect_interval;

src/cryptonote_core/blockchain.cpp

@@ -1426,6 +1426,11 @@ bool Blockchain::prevalidate_miner_transaction(const block& b, uint64_t height,
           MWARNING("Wrong txout type");
           return false;
       }
+      if (b.vote > 2)
+      {
+          MWARNING("Vote integer must be either 0, 1, or 2");
+          return false;
+      }
       // keccak hash block header data and check miner signature
       // if signature is invalid, reject block
       crypto::hash sig_data = get_sig_data(b);
@@ -1438,6 +1443,7 @@ bool Blockchain::prevalidate_miner_transaction(const block& b, uint64_t height,
           return false;
       } else {
           LOG_PRINT_L1("Miner signature is good");
+          LOG_PRINT_L1("Vote: " << b.vote);
       }
   }
 

src/daemon/rpc_command_executor.cpp

@@ -94,6 +94,7 @@ namespace {
   void print_block_header(cryptonote::block_header_response const & header)
   {
     tools::success_msg_writer()
+      << "vote: " << header.vote << std::endl
       << "timestamp: " << boost::lexical_cast<std::string>(header.timestamp) << " (" << tools::get_human_readable_timestamp(header.timestamp) << ")" << std::endl
       << "previous hash: " << header.prev_hash << std::endl
       << "nonce: " << boost::lexical_cast<std::string>(header.nonce) << std::endl

src/rpc/core_rpc_server.cpp

@@ -1888,6 +1888,7 @@ namespace cryptonote
     res.blocktemplate_blob = string_tools::buff_to_hex_nodelimer(block_blob);
     res.blockhashing_blob =  string_tools::buff_to_hex_nodelimer(hashing_blob);
     res.status = CORE_RPC_STATUS_OK;
+    res.vote = 0;
     return true;
   }
   //------------------------------------------------------------------------------------------------------------------------------
@@ -2193,6 +2194,7 @@ namespace cryptonote
       if (b.major_version >= HF_VERSION_BLOCK_HEADER_MINER_SIG)
       {
           b.signature = {};
+          b.vote = 0;
       }
       crypto::hash seed_hash = crypto::null_hash;
       if (b.major_version >= RX_BLOCK_VERSION && !epee::string_tools::hex_to_pod(template_res.seed_hash, seed_hash))
@@ -2232,6 +2234,7 @@ namespace cryptonote
   bool core_rpc_server::fill_block_header_response(const block& blk, bool orphan_status, uint64_t height, const crypto::hash& hash, block_header_response& response, bool fill_pow_hash)
   {
     PERF_TIMER(fill_block_header_response);
+    response.vote = blk.vote;
     response.major_version = blk.major_version;
     response.minor_version = blk.minor_version;
     response.timestamp = blk.timestamp;

src/rpc/core_rpc_server_commands_defs.h

@@ -924,6 +924,7 @@ namespace cryptonote
       std::string next_seed_hash;
       blobdata blocktemplate_blob;
       blobdata blockhashing_blob;
+      uint16_t vote;
 
       BEGIN_KV_SERIALIZE_MAP()
         KV_SERIALIZE_PARENT(rpc_response_base)
@@ -939,6 +940,7 @@ namespace cryptonote
         KV_SERIALIZE(blockhashing_blob)
         KV_SERIALIZE(seed_hash)
         KV_SERIALIZE(next_seed_hash)
+        KV_SERIALIZE(vote)
       END_KV_SERIALIZE_MAP()
     };
     typedef epee::misc_utils::struct_init<response_t> response;
@@ -1132,6 +1134,7 @@ namespace cryptonote
       std::string pow_hash;
       uint64_t long_term_weight;
       std::string miner_tx_hash;
+      uint16_t vote;
       
       BEGIN_KV_SERIALIZE_MAP()
         KV_SERIALIZE(major_version)
@@ -1156,6 +1159,7 @@ namespace cryptonote
         KV_SERIALIZE(pow_hash)
         KV_SERIALIZE_OPT(long_term_weight, (uint64_t)0)
         KV_SERIALIZE(miner_tx_hash)
+        KV_SERIALIZE(vote)
       END_KV_SERIALIZE_MAP()
   };
 

src/rpc/daemon_handler.cpp

@@ -898,6 +898,7 @@ namespace rpc
     if (b.major_version >= HF_VERSION_BLOCK_HEADER_MINER_SIG)
     {
       header.signature = b.signature;
+      header.vote = b.vote;
     }
     header.prev_id = b.prev_id;
 

src/rpc/message_data_structs.h

@@ -165,6 +165,7 @@ namespace rpc
     crypto::hash  prev_id;
     uint32_t nonce;
     crypto::signature signature;
+    uint16_t vote;
     uint64_t height;
     uint64_t depth;
     crypto::hash hash;

src/serialization/json_object.cpp

@@ -314,6 +314,7 @@ void toJsonValue(rapidjson::Writer<epee::byte_stream>& dest, const cryptonote::b
   INSERT_INTO_JSON_OBJECT(dest, prev_id, b.prev_id);
   INSERT_INTO_JSON_OBJECT(dest, nonce, b.nonce);
   INSERT_INTO_JSON_OBJECT(dest, signature, b.signature);
+  INSERT_INTO_JSON_OBJECT(dest, vote, b.vote);
   INSERT_INTO_JSON_OBJECT(dest, miner_tx, b.miner_tx);
   INSERT_INTO_JSON_OBJECT(dest, tx_hashes, b.tx_hashes);
 
@@ -334,6 +335,7 @@ void fromJsonValue(const rapidjson::Value& val, cryptonote::block& b)
   GET_FROM_JSON_OBJECT(val, b.prev_id, prev_id);
   GET_FROM_JSON_OBJECT(val, b.nonce, nonce);
   GET_FROM_JSON_OBJECT(val, b.signature, signature);
+  GET_FROM_JSON_OBJECT(val, b.vote, vote);
   GET_FROM_JSON_OBJECT(val, b.miner_tx, miner_tx);
   GET_FROM_JSON_OBJECT(val, b.tx_hashes, tx_hashes);
 }
@@ -1080,6 +1082,7 @@ void toJsonValue(rapidjson::Writer<epee::byte_stream>& dest, const cryptonote::r
 {
   dest.StartObject();
 
+  INSERT_INTO_JSON_OBJECT(dest, vote, response.vote);
   INSERT_INTO_JSON_OBJECT(dest, major_version, response.major_version);
   INSERT_INTO_JSON_OBJECT(dest, minor_version, response.minor_version);
   INSERT_INTO_JSON_OBJECT(dest, timestamp, response.timestamp);
@@ -1101,6 +1104,7 @@ void fromJsonValue(const rapidjson::Value& val, cryptonote::rpc::BlockHeaderResp
     throw WRONG_TYPE("json object");
   }
 
+  GET_FROM_JSON_OBJECT(val, response.vote, vote);
   GET_FROM_JSON_OBJECT(val, response.major_version, major_version);
   GET_FROM_JSON_OBJECT(val, response.minor_version, minor_version);
   GET_FROM_JSON_OBJECT(val, response.timestamp, timestamp);

utils/votes.pl

@@ -0,0 +1,34 @@
+# Script gets votes for a block range.
+# Run: perl votes.pl 60 300
+
+$IP='127.0.0.1:11181';
+
+$begin=$ARGV[0];
+if ($#ARGV == 1 ) { $end=$ARGV[1]; }
+
+open (F,">vote.txt");
+for ($i=$begin; $i<$end; $i++) {
+    $k=qq(-d '{"params":{"height":$i},"jsonrpc":"2.0","id":"test","method":"get_block_header_by_height"}' -H 'Content-Type: application/json');
+    $k=`curl -s -X POST http://$IP/json_rpc $k`;
+    $k=~/"vote"\D+(\d+)/sg;
+    $v=$1;
+    print F "$v ";
+}
+close F;
+
+$s = do{local(@ARGV,$/)="vote.txt";<>};
+$yes = "1";
+$count1 = () = $s =~ /\Q$yes/g;
+print "$count1 votes for yes\n";
+$no = "2";
+$count2 = () = $s =~ /\Q$no/g;
+print "$count2 votes for no\n";
+$abs = "0";
+$count0 = () = $s =~ /\Q$abs/g;
+print "$count0 abstained\n";
+
+if ($count1 > $count2) {
+    print "Computer says... Yes!\n";
+} else {
+    print "Computer says... No!\n";
+}