GolosChain · afalaleev · Jun 7, 2019 · Jun 4, 2019
diff --git a/libraries/chain/database.cpp b/libraries/chain/database.cpp
@@ -2331,21 +2331,31 @@ namespace golos { namespace chain {
             return delegators_reward;
         }
 
-        void database::pay_curator(const comment_vote_object& cvo, const uint64_t& claim, const account_name_type& author, const std::string& permlink) {
+        uint64_t database::pay_curator(const comment_vote_object& cvo, uint64_t claim, const account_name_type& author, const std::string& permlink) {
             const auto &voter = get(cvo.voter);
-            auto voter_claim = claim;
+
+            uint64_t to_author = 0;
+            if (has_hardfork(STEEMIT_HARDFORK_0_21__1014)) {
+                to_author = (uint128_t(claim) * cvo.author_promote_rate / STEEMIT_100_PERCENT).to_uint64();
+                claim -= to_author;
+                if (claim == 0) {
+                    return to_author;
+                }
+            }
 
             if (has_hardfork(STEEMIT_HARDFORK_0_19__756)) {
-                voter_claim -= pay_delegators(voter, cvo, claim);
+                claim -= pay_delegators(voter, cvo, claim);
             }
 
-            auto voter_reward = create_vesting(voter, asset(voter_claim, STEEM_SYMBOL));
+            auto voter_reward = create_vesting(voter, asset(claim, STEEM_SYMBOL));
 
             push_virtual_operation(curation_reward_operation(voter.name, voter_reward, author, permlink));
 
             modify(voter, [&](account_object &a) {
-                a.curation_rewards += voter_claim;
+                a.curation_rewards += claim;
             });
+
+            return to_author;
         }
 /**
  *  This method will iterate through all comment_vote_objects and give them
@@ -2384,7 +2394,7 @@ namespace golos { namespace chain {
 
                         if (claim > 0) { // min_amt is non-zero satoshis
                             unclaimed_rewards -= claim;
-                            pay_curator(*itr->vote, claim, c.comment.author, to_string(c.comment.permlink));
+                            unclaimed_rewards += pay_curator(*itr->vote, claim, c.comment.author, to_string(c.comment.permlink));
                         } else {
                             break;
                         }
@@ -2393,8 +2403,7 @@ namespace golos { namespace chain {
                         // pay needed claim + rest unclaimed tokens (close to zero value) to curator with greates weight
                         // BTW: it has to be unclaimed_rewards.value not heaviest_vote_after_auw_weight + unclaimed_rewards.value, coz
                         //      unclaimed_rewards already contains this.
-                        pay_curator(*heaviest_itr->vote, unclaimed_rewards.value, c.comment.author, to_string(c.comment.permlink));
-                        unclaimed_rewards = 0;
+                        unclaimed_rewards = pay_curator(*heaviest_itr->vote, unclaimed_rewards.value, c.comment.author, to_string(c.comment.permlink));
                     }
                 }
                 if (!c.comment.allow_curation_rewards) {
@@ -3090,6 +3099,7 @@ namespace golos { namespace chain {
             _my->_evaluator_registry.register_evaluator<proposal_delete_evaluator>();
             _my->_evaluator_registry.register_evaluator<chain_properties_update_evaluator>();
             _my->_evaluator_registry.register_evaluator<break_free_referral_evaluator>();
+            _my->_evaluator_registry.register_evaluator<vote_options_evaluator>();
             _my->_evaluator_registry.register_evaluator<worker_proposal_evaluator>();
             _my->_evaluator_registry.register_evaluator<worker_proposal_delete_evaluator>();
             _my->_evaluator_registry.register_evaluator<worker_techspec_evaluator>();

diff --git a/libraries/chain/hardfork.d/0_21.hf b/libraries/chain/hardfork.d/0_21.hf
@@ -1,11 +1,12 @@
 #ifndef STEEMIT_HARDFORK_0_21
 #define STEEMIT_HARDFORK_0_21 21
 #define STEEMIT_HARDFORK_0_21__1013 (STEEMIT_HARDFORK_0_21) // Workers
+#define STEEMIT_HARDFORK_0_21__1107 (STEEMIT_HARDFORK_0_21) // Worker fund operation
 #define STEEMIT_HARDFORK_0_21__1008 (STEEMIT_HARDFORK_0_21) // Remove limit on max delegate interest witness prop
 #define STEEMIT_HARDFORK_0_21__1009 (STEEMIT_HARDFORK_0_21) // Remove limit on min curation percent witness prop
 #define STEEMIT_HARDFORK_0_21__1010 (STEEMIT_HARDFORK_0_21) // Fix post bandwidth
 #define STEEMIT_HARDFORK_0_21__1045 (STEEMIT_HARDFORK_0_21) // Two payout strategies for vesting delegations with interest
-#define STEEMIT_HARDFORK_0_21__1107 (STEEMIT_HARDFORK_0_21) // Worker fund operation
+#define STEEMIT_HARDFORK_0_21__1014 (STEEMIT_HARDFORK_0_21) // Vote author promote rate
 
 #ifdef STEEMIT_BUILD_TESTNET
 #define STEEMIT_HARDFORK_0_21_TIME  1547787600 // 18 jan 2019 12:00:00 MSK

diff --git a/libraries/chain/include/golos/chain/comment_object.hpp b/libraries/chain/include/golos/chain/comment_object.hpp
@@ -147,6 +147,8 @@ namespace golos {
             int8_t num_changes = 0; ///< Count of vote changes (while consensus). If = -1 then related post is archived & vote no more needed for consensus
 
             bip::vector<delegator_vote_interest_rate, allocator<delegator_vote_interest_rate>> delegator_vote_interest_rates;
+
+            uint16_t author_promote_rate = GOLOS_MIN_VOTE_AUTHOR_PROMOTE_RATE;
         };
 
         struct by_comment_voter;

diff --git a/libraries/chain/include/golos/chain/database.hpp b/libraries/chain/include/golos/chain/database.hpp
@@ -632,7 +632,7 @@ namespace golos { namespace chain {
 
             bool _resize(uint32_t block_num);
 
-            void pay_curator(const comment_vote_object& cvo, const uint64_t& claim, const account_name_type& author, const std::string& permlink);
+            uint64_t pay_curator(const comment_vote_object& cvo, uint64_t claim, const account_name_type& author, const std::string& permlink);
 
             void adjust_sbd_balance(const account_object &a, const asset &delta);
 

diff --git a/libraries/chain/include/golos/chain/steem_evaluator.hpp b/libraries/chain/include/golos/chain/steem_evaluator.hpp
@@ -55,6 +55,7 @@ namespace golos { namespace chain {
         DEFINE_EVALUATOR(break_free_referral)
         DEFINE_EVALUATOR(delegate_vesting_shares_with_interest)
         DEFINE_EVALUATOR(reject_vesting_shares_delegation)
+        DEFINE_EVALUATOR(vote_options)
 
         class proposal_create_evaluator: public evaluator_impl<proposal_create_evaluator> {
         public:

diff --git a/libraries/chain/steem_evaluator.cpp b/libraries/chain/steem_evaluator.cpp
@@ -1786,6 +1786,41 @@ namespace golos { namespace chain {
             } FC_CAPTURE_AND_RETHROW((o))
         }
 
+        struct vote_options_extension_visitor {
+            vote_options_extension_visitor(const comment_vote_object& vote, database& db)
+                : _vote(vote), _db(db) {
+            }
+
+            const comment_vote_object& _vote;
+            database& _db;
+
+            using result_type = void;
+
+            void operator()(const vote_author_promote_rate& vapr) const {
+                _db.modify(_vote, [&](comment_vote_object& c) {
+                    c.author_promote_rate = vapr.rate;
+                });
+            }
+        };
+
+        void vote_options_evaluator::do_apply(const vote_options_operation& o) {
+            ASSERT_REQ_HF(STEEMIT_HARDFORK_0_21__1014, "vote_options_operation");
+
+            const auto& comment = _db.get_comment(o.author, o.permlink);
+            const auto& voter = _db.get_account(o.voter);
+
+            const auto& vote_idx = _db.get_index<comment_vote_index, by_comment_voter>();
+            const auto vote_itr = vote_idx.find(std::make_tuple(comment.id, voter.id));
+
+            if (vote_itr == vote_idx.end()) {
+                GOLOS_THROW_MISSING_OBJECT("comment_vote_object", fc::mutable_variant_object()("voter",o.voter)("author",o.author)("permlink",o.permlink));
+            }
+
+            for (auto& e : o.extensions) {
+                e.visit(vote_options_extension_visitor(*vote_itr, _db));
+            }
+        }
+
         void custom_evaluator::do_apply(const custom_operation &o) {
         }
 

diff --git a/libraries/protocol/include/golos/protocol/config.hpp b/libraries/protocol/include/golos/protocol/config.hpp
@@ -167,6 +167,9 @@
 #define STEEMIT_DEF_CURATION_PERCENT            (25*STEEMIT_1_PERCENT) // 25%
 #define STEEMIT_MAX_CURATION_PERCENT            STEEMIT_100_PERCENT
 
+#define GOLOS_MIN_VOTE_AUTHOR_PROMOTE_RATE      (0*STEEMIT_1_PERCENT)
+#define GOLOS_MAX_VOTE_AUTHOR_PROMOTE_RATE      (100*STEEMIT_1_PERCENT)
+
 #define STEEMIT_ACTIVE_CHALLENGE_FEE            asset(2000, STEEM_SYMBOL)
 #define STEEMIT_OWNER_CHALLENGE_FEE             asset(30000, STEEM_SYMBOL)
 #define STEEMIT_ACTIVE_CHALLENGE_COOLDOWN       fc::days(1)
@@ -410,6 +413,9 @@
 #define STEEMIT_DEF_CURATION_PERCENT            (25*STEEMIT_1_PERCENT) // 25%
 #define STEEMIT_MAX_CURATION_PERCENT            STEEMIT_100_PERCENT
 
+#define GOLOS_MIN_VOTE_AUTHOR_PROMOTE_RATE      (0*STEEMIT_1_PERCENT)
+#define GOLOS_MAX_VOTE_AUTHOR_PROMOTE_RATE      (100*STEEMIT_1_PERCENT)
+
 #define STEEMIT_ACTIVE_CHALLENGE_FEE            asset(2000, STEEM_SYMBOL)
 #define STEEMIT_OWNER_CHALLENGE_FEE             asset(30000, STEEM_SYMBOL)
 #define STEEMIT_ACTIVE_CHALLENGE_COOLDOWN       fc::days(1)

diff --git a/libraries/protocol/include/golos/protocol/operations.hpp b/libraries/protocol/include/golos/protocol/operations.hpp
@@ -70,6 +70,7 @@ namespace golos { namespace protocol {
                 break_free_referral_operation,
                 delegate_vesting_shares_with_interest_operation,
                 reject_vesting_shares_delegation_operation,
+                vote_options_operation,
                 worker_proposal_operation,
                 worker_proposal_delete_operation,
                 worker_techspec_operation,

diff --git a/libraries/protocol/include/golos/protocol/steem_operations.hpp b/libraries/protocol/include/golos/protocol/steem_operations.hpp
@@ -265,6 +265,38 @@ namespace golos { namespace protocol {
             }
         };
 
+        struct vote_author_promote_rate {
+            vote_author_promote_rate() {
+            }
+
+            vote_author_promote_rate(uint16_t r)
+                : rate(r) {
+            }
+
+            uint16_t rate = GOLOS_MIN_VOTE_AUTHOR_PROMOTE_RATE;
+
+            void validate() const;
+        };
+
+        using vote_options_extension = static_variant <
+            vote_author_promote_rate
+        >;
+
+        using vote_options_extensions_type = flat_set<vote_options_extension>;
+
+        struct vote_options_operation : public base_operation {
+            account_name_type voter;
+            account_name_type author;
+            string permlink;
+            vote_options_extensions_type extensions;
+
+            void validate() const;
+
+            void get_required_posting_authorities(flat_set<account_name_type> &a) const {
+                a.insert(voter);
+            }
+        };
+
 
         /**
          * @ingroup operations
@@ -1476,6 +1508,11 @@ FC_REFLECT((golos::protocol::account_witness_vote_operation), (account)(witness)
 FC_REFLECT((golos::protocol::account_witness_proxy_operation), (account)(proxy))
 FC_REFLECT((golos::protocol::comment_operation), (parent_author)(parent_permlink)(author)(permlink)(title)(body)(json_metadata))
 FC_REFLECT((golos::protocol::vote_operation), (voter)(author)(permlink)(weight))
+
+FC_REFLECT((golos::protocol::vote_author_promote_rate), (rate));
+FC_REFLECT_TYPENAME((golos::protocol::vote_options_extension));
+FC_REFLECT((golos::protocol::vote_options_operation), (voter)(author)(permlink)(extensions))
+
 FC_REFLECT((golos::protocol::custom_operation), (required_auths)(id)(data))
 FC_REFLECT((golos::protocol::custom_json_operation), (required_auths)(required_posting_auths)(id)(json))
 FC_REFLECT((golos::protocol::custom_binary_operation), (required_owner_auths)(required_active_auths)(required_posting_auths)(required_auths)(id)(data))

diff --git a/libraries/protocol/steem_operations.cpp b/libraries/protocol/steem_operations.cpp
@@ -212,6 +212,32 @@ namespace golos { namespace protocol {
             GOLOS_CHECK_PARAM(permlink, validate_permlink(permlink));
         }
 
+        struct vote_options_extension_validate_visitor {
+            vote_options_extension_validate_visitor() {
+            }
+
+            using result_type = void;
+
+            void operator()(const vote_author_promote_rate& vapr) const {
+                vapr.validate();
+            }
+        };
+
+        void vote_author_promote_rate::validate() const {
+            GOLOS_CHECK_PARAM(rate, {
+                GOLOS_CHECK_VALUE_LEGE(rate, GOLOS_MIN_VOTE_AUTHOR_PROMOTE_RATE, GOLOS_MAX_VOTE_AUTHOR_PROMOTE_RATE);
+            });
+        }
+
+        void vote_options_operation::validate() const {
+            GOLOS_CHECK_PARAM(voter, validate_account_name(voter));
+            GOLOS_CHECK_PARAM(author, validate_account_name(author));
+            GOLOS_CHECK_PARAM(permlink, validate_permlink(permlink));
+            for (auto& e : extensions) {
+                e.visit(vote_options_extension_validate_visitor());
+            }
+        }
+
         void transfer_operation::validate() const {
             try {
                 GOLOS_CHECK_PARAM(from, validate_account_name(from));

diff --git a/plugins/account_history/plugin.cpp b/plugins/account_history/plugin.cpp
@@ -328,6 +328,10 @@ if (options.count(name)) { \
             insert_pair(op.voter, op.author);
         }
 
+        void operator()(const vote_options_operation& op) {
+            insert_pair(op.voter, op.author);
+        }
+
         void operator()(const author_reward_operation& op) {
             insert_receiver(op.author);
         }

diff --git a/plugins/mongo_db/include/golos/plugins/mongo_db/mongo_db_operations.hpp b/plugins/mongo_db/include/golos/plugins/mongo_db/mongo_db_operations.hpp
@@ -17,6 +17,7 @@ namespace mongo_db {
         operation_writer();
 
         result_type operator()(const vote_operation& op);
+        result_type operator()(const vote_options_operation& op);
         result_type operator()(const comment_operation& op);
         result_type operator()(const transfer_operation& op);
         result_type operator()(const transfer_to_vesting_operation& op);

diff --git a/plugins/mongo_db/include/golos/plugins/mongo_db/mongo_db_state.hpp b/plugins/mongo_db/include/golos/plugins/mongo_db/mongo_db_state.hpp
@@ -23,6 +23,7 @@ namespace mongo_db {
         state_writer(db_map& bmi_to_add, const signed_block& block);
 
         result_type operator()(const vote_operation& op);
+        result_type operator()(const vote_options_operation& op);
         result_type operator()(const comment_operation& op);
         result_type operator()(const transfer_operation& op);
         result_type operator()(const transfer_to_vesting_operation& op);

diff --git a/plugins/mongo_db/mongo_db_operations.cpp b/plugins/mongo_db/mongo_db_operations.cpp
@@ -77,6 +77,12 @@ namespace mongo_db {
         return body;
     }
 
+    auto operation_writer::operator()(const vote_options_operation& op) -> result_type {
+        result_type body;
+
+        return body;
+    }
+
     auto operation_writer::operator()(const comment_operation& op) -> result_type {
         result_type body;
 

diff --git a/plugins/mongo_db/mongo_db_state.cpp b/plugins/mongo_db/mongo_db_state.cpp
@@ -789,6 +789,10 @@ namespace mongo_db {
         }
     }
 
+    auto state_writer::operator()(const vote_options_operation& op) -> result_type {
+
+    }
+
     auto state_writer::operator()(const comment_operation& op) -> result_type {
         format_comment(op.author, op.permlink);
         format_account(op.author);