refactor: Update GasFeeStrategy to instance-based API and update docs

src/trading/core/async_executor.rs

@@ -7,8 +7,8 @@ use solana_sdk::message::AddressLookupTableAccount;
 use solana_sdk::{
     instruction::Instruction, pubkey::Pubkey, signature::Keypair, signature::Signature,
 };
-use std::{str::FromStr, sync::Arc, time::Instant};
 use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
+use std::{str::FromStr, sync::Arc, time::Instant};
 
 use crate::{
     common::nonce_cache::DurableNonceInfo,
@@ -48,7 +48,7 @@ impl ResultCollector {
         let _ = self.results.push(result);
 
         if is_success {
-            self.success_flag.store(true, Ordering::Release);  // Release 确保 push 可见
+            self.success_flag.store(true, Ordering::Release); // Release 确保 push 可见
         }
 
         self.completed_count.fetch_add(1, Ordering::Release);
@@ -106,6 +106,7 @@ pub async fn execute_parallel(
     is_buy: bool,
     wait_transaction_confirmed: bool,
     with_tip: bool,
+    gas_fee_strategy: GasFeeStrategy,
 ) -> Result<(bool, Signature)> {
     let _exec_start = Instant::now();
 
@@ -133,7 +134,7 @@ pub async fn execute_parallel(
             with_tip || matches!(swqos_client.get_swqos_type(), SwqosType::Default)
         })
         .flat_map(|(i, swqos_client)| {
-            let gas_fee_strategy_configs = GasFeeStrategy::get_strategies(if is_buy {
+            let gas_fee_strategy_configs = gas_fee_strategy.get_strategies(if is_buy {
                 TradeType::Buy
             } else {
                 TradeType::Sell
@@ -229,11 +230,7 @@ pub async fn execute_parallel(
             // Transaction sent
 
             if let Some(signature) = transaction.signatures.first() {
-                collector.submit(TaskResult {
-                    success,
-                    signature: *signature,
-                    _error: None,
-                });
+                collector.submit(TaskResult { success, signature: *signature, _error: None });
             }
         });
     }

src/trading/core/executor.rs

@@ -96,6 +96,7 @@ impl TradeExecutor for GenericTradeExecutor {
             is_buy,
             params.wait_transaction_confirmed,
             if is_buy { true } else { params.with_tip },
+            params.gas_fee_strategy,
         )
         .await;
         let send_elapsed = send_start.elapsed();

src/trading/core/params.rs

@@ -2,7 +2,7 @@ use super::traits::ProtocolParams;
 use crate::common::bonding_curve::BondingCurveAccount;
 use crate::common::nonce_cache::DurableNonceInfo;
 use crate::common::spl_associated_token_account::get_associated_token_address_with_program_id;
-use crate::common::SolanaRpcClient;
+use crate::common::{GasFeeStrategy, SolanaRpcClient};
 use crate::constants::TOKEN_PROGRAM;
 use crate::swqos::{SwqosClient, TradeType};
 use crate::trading::common::get_multi_token_balances;
@@ -39,6 +39,7 @@ pub struct SwapParams {
     pub create_output_mint_ata: bool,
     pub close_output_mint_ata: bool,
     pub fixed_output_amount: Option<u64>,
+    pub gas_fee_strategy: GasFeeStrategy,
 }
 
 impl std::fmt::Debug for SwapParams {