refactor: optimize AccountMeta creation with lazy static constants

- Consolidate protocol constants to unified module
- Pre-build AccountMeta objects using once_cell::Lazy
- Reduce instruction building overhead across all DEX protocols
- Improve code maintainability and performance

src/trading/common/utils.rs

@@ -18,10 +18,14 @@ pub async fn get_multi_token_balances(
     let token0_balance = rpc.get_token_account_balance(&token0_vault).await?;
     let token1_balance = rpc.get_token_account_balance(&token1_vault).await?;
     // Parse balance string to u64
-    let token0_amount =
-        token0_balance.amount.parse::<u64>().map_err(|e| anyhow!("Failed to parse token0 balance: {}", e))?;
-    let token1_amount =
-        token1_balance.amount.parse::<u64>().map_err(|e| anyhow!("Failed to parse token1 balance: {}", e))?;
+    let token0_amount = token0_balance
+        .amount
+        .parse::<u64>()
+        .map_err(|e| anyhow!("Failed to parse token0 balance: {}", e))?;
+    let token1_amount = token1_balance
+        .amount
+        .parse::<u64>()
+        .map_err(|e| anyhow!("Failed to parse token1 balance: {}", e))?;
     Ok((token0_amount, token1_amount))
 }
 
@@ -107,8 +111,13 @@ pub async fn close_token_account(
     }
 
     // Build close account instruction
-    let close_account_ix =
-        close_account(&spl_token::ID, &ata, &payer.pubkey(), &payer.pubkey(), &[&payer.pubkey()])?;
+    let close_account_ix = close_account(
+        &crate::constants::TOKEN_PROGRAM,
+        &ata,
+        &payer.pubkey(),
+        &payer.pubkey(),
+        &[&payer.pubkey()],
+    )?;
 
     // Build transaction
     let recent_blockhash = rpc.get_latest_blockhash().await?;

src/trading/core/params.rs

@@ -189,13 +189,13 @@ impl PumpSwapParams {
             spl_associated_token_account::get_associated_token_address_with_program_id(
                 &pool_address,
                 &pool_data.base_mint,
-                &crate::instruction::utils::pumpswap::accounts::TOKEN_PROGRAM,
+                &crate::constants::TOKEN_PROGRAM,
             );
         let quote_token_program_ata =
             spl_associated_token_account::get_associated_token_address_with_program_id(
                 &pool_address,
                 &pool_data.quote_mint,
-                &crate::instruction::utils::pumpswap::accounts::TOKEN_PROGRAM,
+                &crate::constants::TOKEN_PROGRAM,
             );
 
         Ok(Self {
@@ -207,14 +207,14 @@ impl PumpSwapParams {
             coin_creator_vault_ata: coin_creator_vault_ata,
             coin_creator_vault_authority: coin_creator_vault_authority,
             base_token_program: if pool_data.pool_base_token_account == base_token_program_ata {
-                crate::instruction::utils::pumpswap::accounts::TOKEN_PROGRAM
+                crate::constants::TOKEN_PROGRAM
             } else {
-                spl_token_2022::ID
+                crate::constants::TOKEN_PROGRAM_2022
             },
             quote_token_program: if pool_data.pool_quote_token_account == quote_token_program_ata {
-                crate::instruction::utils::pumpswap::accounts::TOKEN_PROGRAM
+                crate::constants::TOKEN_PROGRAM
             } else {
-                spl_token_2022::ID
+                crate::constants::TOKEN_PROGRAM_2022
             },
             auto_handle_wsol: true,
         })
@@ -337,7 +337,7 @@ impl BonkParams {
     ) -> Result<Self, anyhow::Error> {
         let pool_address = crate::instruction::utils::bonk::get_pool_pda(
             mint,
-            &crate::instruction::utils::bonk::accounts::WSOL_TOKEN_ACCOUNT,
+            &crate::constants::WSOL_TOKEN_ACCOUNT,
         )
         .unwrap();
         let pool_data =