chore: remove unused precompiles and gas divisor logic (#383)

Author: 0xKitsune

Cargo.lock

@@ -13,7 +13,6 @@ workspace = true
 [dependencies]
 # tempo
 tempo-chainspec.workspace = true
-tempo-consensus.workspace = true
 tempo-evm = { workspace = true, features = ["rpc", "engine"] }
 tempo-revm.workspace = true
 tempo-node.workspace = true

crates/tempo-zone/Cargo.toml

@@ -38,7 +38,6 @@ use reth_transaction_pool::{
 };
 use std::{sync::Arc, time::Instant};
 use tempo_chainspec::spec::TempoChainSpec;
-use tempo_consensus::TEMPO_SHARED_GAS_DIVISOR;
 use tempo_evm::TempoNextBlockEnvAttributes;
 use tempo_payload_types::TempoBuiltPayload;
 use tempo_primitives::{
@@ -197,8 +196,6 @@ where
         let chain_spec = self.provider.chain_spec();
 
         let block_gas_limit = parent_header.gas_limit();
-        let shared_gas_limit = block_gas_limit / TEMPO_SHARED_GAS_DIVISOR;
-        let general_gas_limit = 0;
 
         let mut cumulative_gas_used = 0u64;
         let total_fees = U256::ZERO;
@@ -219,8 +216,10 @@ where
                         withdrawals: attributes.withdrawals().cloned().map(Withdrawals::new),
                         extra_data: attributes.extra_data(),
                     },
-                    general_gas_limit,
-                    shared_gas_limit,
+                    // Zones don't use L1 gas sections. These fields are required
+                    // by TempoNextBlockEnvAttributes but ignored by the zone executor.
+                    general_gas_limit: 0,
+                    shared_gas_limit: block_gas_limit,
                     timestamp_millis_part: attributes.timestamp_millis_part(),
                     subblock_fee_recipients: Default::default(),
                 },
@@ -289,7 +288,7 @@ where
                 );
                 continue;
             }
-            let gas_limit_left = block_gas_limit.saturating_sub(shared_gas_limit);
+            let gas_limit_left = block_gas_limit;
             if cumulative_gas_used + pool_tx.gas_limit() > gas_limit_left {
                 best_txs.mark_invalid(
                     &pool_tx,

crates/tempo-zone/src/builder.rs

@@ -39,10 +39,8 @@ use tempo_evm::{
 use tempo_payload_types::TempoExecutionData;
 use tempo_precompiles::{
     ACCOUNT_KEYCHAIN_ADDRESS, NONCE_PRECOMPILE_ADDRESS, STABLECOIN_DEX_ADDRESS,
-    TIP_FEE_MANAGER_ADDRESS, VALIDATOR_CONFIG_ADDRESS, VALIDATOR_CONFIG_V2_ADDRESS,
-    account_keychain::AccountKeychain, nonce::NonceManager, tip_fee_manager::TipFeeManager,
-    tip20::is_tip20_prefix, validator_config::ValidatorConfig,
-    validator_config_v2::ValidatorConfigV2,
+    TIP_FEE_MANAGER_ADDRESS, account_keychain::AccountKeychain, nonce::NonceManager,
+    tip_fee_manager::TipFeeManager, tip20::is_tip20_prefix,
 };
 use tempo_primitives::{Block, TempoHeader, TempoPrimitives, TempoReceipt, TempoTxEnvelope};
 
@@ -107,8 +105,8 @@ impl ZoneEvmFactory {
         // one, it still applies privacy, fixed-gas, and bridge-auth rules.
         //
         // This replaces the upstream `extend_tempo_precompiles` lookup, so we
-        // must also handle the non-TIP-20 Tempo precompiles that are only
-        // registered via that lookup (FeeManager, StablecoinDEX, etc.).
+        // must also handle the non-TIP-20 Tempo precompiles that are zone-relevant
+        // (FeeManager, NonceManager, AccountKeychain).
         // Zone-specific overrides (TIP20Factory, TIP403Proxy) are in the
         // static map via `apply_precompile` and take priority over this.
         let zone_cfg = cfg.clone();
@@ -123,17 +121,11 @@ impl ZoneEvmFactory {
             } else if *address == TIP_FEE_MANAGER_ADDRESS {
                 Some(TipFeeManager::create_precompile(&zone_cfg))
             } else if *address == STABLECOIN_DEX_ADDRESS {
-                // StablecoinDEX is disabled on zones, calls to this address
-                // fall through to `None` and revert as an empty account.
                 None
             } else if *address == NONCE_PRECOMPILE_ADDRESS {
                 Some(NonceManager::create_precompile(&zone_cfg))
-            } else if *address == VALIDATOR_CONFIG_ADDRESS {
-                Some(ValidatorConfig::create_precompile(&zone_cfg))
             } else if *address == ACCOUNT_KEYCHAIN_ADDRESS {
                 Some(AccountKeychain::create_precompile(&zone_cfg))
-            } else if *address == VALIDATOR_CONFIG_V2_ADDRESS {
-                Some(ValidatorConfigV2::create_precompile(&zone_cfg))
             } else {
                 None
             }