From 409ebb48cc1247c89f080295d404594506f105f0 Mon Sep 17 00:00:00 2001
From: Daniil Polyakov <arjentix@gmail.com>
Date: Tue, 4 Aug 2026 14:07:06 +0300
Subject: [PATCH] feat(sequencer): expose zone_sdk priority_fee in config

---
 integration_tests/tests/multi_sequencer.rs | 1 +
 lez/sequencer/core/src/block_publisher.rs  | 2 +-
 lez/sequencer/core/src/config.rs           | 7 +++++++
 lez/sequencer/core/src/tests.rs            | 3 ++-
 test_fixtures/src/config.rs                | 1 +
 5 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/integration_tests/tests/multi_sequencer.rs b/integration_tests/tests/multi_sequencer.rs
index 1b01b62d..34eae1e5 100644
--- a/integration_tests/tests/multi_sequencer.rs
+++ b/integration_tests/tests/multi_sequencer.rs
@@ -72,6 +72,7 @@ async fn multi_sequencer_committee_converges() -> Result<()> {
             node_url: config::addr_to_url(config::UrlProtocol::Http, bedrock_addr)?,
             funding_key: config::bedrock_funding_key(),
             auth: None,
+            priority_fee: sequencer_core::config::default_priority_fee(),
         },
         &Ed25519Key::from_bytes(&key_a),
         vec![pub_a, pub_b],
diff --git a/lez/sequencer/core/src/block_publisher.rs b/lez/sequencer/core/src/block_publisher.rs
index e78f860a..ace60160 100644
--- a/lez/sequencer/core/src/block_publisher.rs
+++ b/lez/sequencer/core/src/block_publisher.rs
@@ -191,7 +191,7 @@ impl BlockPublisherTrait for ZoneSdkPublisher {
             funding: Some(FundingConfig {
                 funding_pk: config.funding_key,
                 max_tx_fee: GasCost::new(logos_blockchain_core::mantle::Value::MAX),
-                priority_fee: FundingConfig::DEFAULT_PRIORITY_FEE,
+                priority_fee: config.priority_fee,
             }),
             ..ZoneSdkSequencerConfig::default()
         };
diff --git a/lez/sequencer/core/src/config.rs b/lez/sequencer/core/src/config.rs
index 35f790dc..bce4a262 100644
--- a/lez/sequencer/core/src/config.rs
+++ b/lez/sequencer/core/src/config.rs
@@ -78,6 +78,8 @@ pub struct BedrockConfig {
     /// Bedrock auth.
     pub auth: Option<BasicAuth>,
     pub funding_key: ZkPublicKey,
+    #[serde(default = "default_priority_fee")]
+    pub priority_fee: u64,
 }
 
 impl SequencerConfig {
@@ -101,3 +103,8 @@ const fn default_max_block_size() -> ByteSize {
 const fn default_metrics_address() -> Option<SocketAddr> {
     Some(SequencerConfig::DEFAULT_METRICS_ADDRESS)
 }
+
+#[must_use]
+pub const fn default_priority_fee() -> u64 {
+    logos_blockchain_zone_sdk::sequencer::FundingConfig::DEFAULT_PRIORITY_FEE
+}
diff --git a/lez/sequencer/core/src/tests.rs b/lez/sequencer/core/src/tests.rs
index 00f78c4d..8d3f787b 100644
--- a/lez/sequencer/core/src/tests.rs
+++ b/lez/sequencer/core/src/tests.rs
@@ -37,7 +37,7 @@ use crate::{
     block_store::SequencerStore,
     build_bridge_deposit_tx_from_event, build_genesis_state, classify_settled_deliveries,
     config::{
-        BedrockConfig, CrossZoneConfig, CrossZonePeer, CrossZoneRoute, GenesisAction,
+        self, BedrockConfig, CrossZoneConfig, CrossZonePeer, CrossZoneRoute, GenesisAction,
         SequencerConfig,
     },
     deposit_already_minted, dispatch_already_delivered, extract_cross_zone_dispatch,
@@ -86,6 +86,7 @@ fn setup_sequencer_config() -> SequencerConfig {
             node_url: "http://not-used-in-unit-tests".parse().unwrap(),
             auth: None,
             funding_key: ZkPublicKey::zero(),
+            priority_fee: config::default_priority_fee(),
         },
         retry_pending_blocks_timeout: Duration::from_mins(4),
         genesis: vec![],
diff --git a/test_fixtures/src/config.rs b/test_fixtures/src/config.rs
index 9a8bf53f..b2835348 100644
--- a/test_fixtures/src/config.rs
+++ b/test_fixtures/src/config.rs
@@ -108,6 +108,7 @@ pub fn sequencer_config(
                 .context("Failed to convert bedrock addr to URL")?,
             funding_key,
             auth: None,
+            priority_fee: sequencer_core::config::default_priority_fee(),
         },
         cross_zone,
         metrics_address: Some(SequencerConfig::DEFAULT_METRICS_ADDRESS),