From 71482c92ee392c1663e889c814227a3a9170e462 Mon Sep 17 00:00:00 2001
From: FiveMovesAhead <ying@tig.foundation>
Date: Mon, 16 Jun 2025 11:30:58 +0100
Subject: [PATCH] Add ChallengeOwners emission type.

---
 tig-protocol/src/contracts/rewards.rs | 11 +++++++++--
 tig-structs/src/config.rs             |  1 +
 tig-structs/src/core.rs               |  2 ++
 3 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/tig-protocol/src/contracts/rewards.rs b/tig-protocol/src/contracts/rewards.rs
index 9bb8a27d..cc10e8a5 100644
--- a/tig-protocol/src/contracts/rewards.rs
+++ b/tig-protocol/src/contracts/rewards.rs
@@ -26,7 +26,8 @@ pub(crate) async fn update(cache: &mut AddBlockCache) {
     let active_challenge_ids = &block_data.active_ids[&ActiveType::Challenge];
 
     let zero = PreciseNumber::from(0);
-    let gamma = 1.0258 * (1.0 - 0.8730 * (-0.0354 * active_challenge_ids.len() as f64).exp());
+    block_details.gamma_value =
+        1.0258 * (1.0 - 0.8730 * (-0.0354 * active_challenge_ids.len() as f64).exp());
     let block_reward = PreciseNumber::from_f64(
         config
             .rewards
@@ -42,7 +43,7 @@ pub(crate) async fn update(cache: &mut AddBlockCache) {
             })
             .block_reward,
     );
-    let scaled_reward = block_reward * PreciseNumber::from_f64(gamma);
+    let scaled_reward = block_reward * PreciseNumber::from_f64(block_details.gamma_value.clone());
 
     // update algorithm rewards
     let adoption_threshold = PreciseNumber::from_f64(config.algorithms.adoption_threshold);
@@ -200,6 +201,9 @@ pub(crate) async fn update(cache: &mut AddBlockCache) {
         }
     }
 
+    let challenge_owners_reward_pool =
+        scaled_reward * PreciseNumber::from_f64(config.rewards.distribution.challenge_owners);
+
     block_details.emissions.insert(
         EmissionsType::Bootstrap,
         breakthroughs_reward_pool - total_breakthroughs_reward,
@@ -224,4 +228,7 @@ pub(crate) async fn update(cache: &mut AddBlockCache) {
     block_details
         .emissions
         .insert(EmissionsType::Delegator, total_delegators_reward);
+    block_details
+        .emissions
+        .insert(EmissionsType::ChallengeOwner, challenge_owners_reward_pool);
 }
diff --git a/tig-structs/src/config.rs b/tig-structs/src/config.rs
index 0bd39031..1d7a1a07 100644
--- a/tig-structs/src/config.rs
+++ b/tig-structs/src/config.rs
@@ -142,6 +142,7 @@ serializable_struct_with_getters! {
         opow: f64,
         algorithms: f64,
         breakthroughs: f64,
+        challenge_owners: f64,
     }
 }
 serializable_struct_with_getters! {
diff --git a/tig-structs/src/core.rs b/tig-structs/src/core.rs
index ffcc0b6f..19bc90df 100644
--- a/tig-structs/src/core.rs
+++ b/tig-structs/src/core.rs
@@ -252,6 +252,7 @@ pub enum EmissionsType {
     Delegator,
     Bootstrap,
     Vault,
+    ChallengeOwner,
 }
 serializable_struct_with_getters! {
     BlockDetails {
@@ -262,6 +263,7 @@ serializable_struct_with_getters! {
         num_active: HashMap<ActiveType, u32>,
         timestamp: u64,
         emissions: HashMap<EmissionsType, PreciseNumber>,
+        gamma_value: f64,
     }
 }
 serializable_struct_with_getters! {