[AIP-126] Enable priority fee.

metadata/2025-12-23-enable-priority-fee/enable_priority_fee.json

@@ -0,0 +1,6 @@
+{
+  "title": "enable priority fee",
+  "description": "Calculate and distribute transaction fee to validators.",
+  "source_code_url": "https://github.com/aptos-foundation/mainnet-proposals/blob/main/sources/2025-12-23-enable-priority-fee",
+  "discussion_url": "https://github.com/aptos-foundation/AIPs/issues/646"
+}

sources/2025-12-23-enable-priority-fee/enable_priority_fee/0-initialize_priority_fee.move

@@ -0,0 +1,17 @@
+// Script hash: 415960a0 
+script {
+    use aptos_framework::aptos_governance;
+    use aptos_framework::stake;
+
+    fun main(proposal_id: u64) {
+        let framework_signer = aptos_governance::resolve_multi_step_proposal(
+            proposal_id,
+            @0x1,
+            vector[70u8,127u8,54u8,84u8,224u8,128u8,219u8,244u8,223u8,248u8,220u8,188u8,24u8,25u8,100u8,98u8,185u8,65u8,253u8,90u8,138u8,38u8,136u8,131u8,125u8,97u8,245u8,91u8,235u8,197u8,7u8,106u8,],
+        );
+        stake::initialize_pending_transaction_fee(
+            &framework_signer
+        );
+        stake::set_transaction_fee_limit_per_epoch_per_pool(&framework_signer, 2000000000);  // 20 APT
+    }
+}

sources/2025-12-23-enable-priority-fee/enable_priority_fee/1-execution-config.move

@@ -0,0 +1,44 @@
+// Script hash: 467f3654 
+// Execution config upgrade proposal
+
+// config: V6(
+//     ExecutionConfigV6 {
+//         transaction_shuffler_type: UseCaseAware {
+//             sender_spread_factor: 32,
+//             platform_use_case_spread_factor: 0,
+//             user_use_case_spread_factor: 4,
+//         },
+//         block_gas_limit_type: ComplexLimitV1 {
+//             effective_block_gas_limit: 30000,
+//             execution_gas_effective_multiplier: 1,
+//             io_gas_effective_multiplier: 1,
+//             conflict_penalty_window: 9,
+//             use_granular_resource_group_conflicts: false,
+//             use_module_publishing_block_conflict: true,
+//             block_output_limit: Some(
+//                 5242880,
+//             ),
+//             include_user_txn_size_in_block_output: true,
+//             add_block_limit_outcome_onchain: true,
+//         },
+//         enable_per_block_gas_limit: false,
+//         transaction_deduper_type: TxnHashAndAuthenticatorV1,
+//         gas_price_to_burn: 90,
+//     },
+// )
+
+script {
+    use aptos_framework::aptos_governance;
+    use aptos_framework::execution_config;
+
+    fun main(proposal_id: u64) {
+        let framework_signer = aptos_governance::resolve_multi_step_proposal(
+            proposal_id,
+            @0x1,
+            x"737b02e2b2ce9ee9a7cdd8b606fc5a108d55bd597181225707ca8bf0b153f338",);
+        let execution_blob: vector<u8> = x"060420000000000000000000000000000000040000000000000002307500000000000001000000000000000100000000000000090000000001010000500000000000010100015a00000000000000";
+
+        execution_config::set_for_next_epoch(&framework_signer, execution_blob);
+        aptos_governance::reconfigure(&framework_signer);
+    }
+}

sources/2025-12-23-enable-priority-fee/enable_priority_fee/2-features.move

@@ -0,0 +1,24 @@
+// Script hash: 737b02e2 
+// Modifying on-chain feature flags:
+// Enabled Features: [CalculateTransactionFeeForDistribution, DistributeTransactionFee]
+// Disabled Features: []
+//
+script {
+    use aptos_framework::aptos_governance;
+    use std::features;
+
+    fun main(proposal_id: u64) {
+        let framework_signer = aptos_governance::resolve_multi_step_proposal(proposal_id, @0x1, x"");
+
+        let enabled_blob: vector<u64> = vector[
+            96, 97,
+        ];
+
+        let disabled_blob: vector<u64> = vector[
+
+        ];
+
+        features::change_feature_flags_for_next_epoch(&framework_signer, enabled_blob, disabled_blob);
+        aptos_governance::reconfigure(&framework_signer);
+    }
+}