feat: Add PumpSwap direct trading example and RPC client optimization

examples/pumpswap_direct_trading/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "pumpswap_direct_trading"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+sol-trade-sdk = { path = "../.." }
+solana-sdk = "2.3.0"
+spl-associated-token-account = "7.0.0"
+tokio = { version = "1", features = ["full"] }
+spl-token= "8.0.0"
+spl-token-2022 = { version = "8.0.0", features = ["no-entrypoint"] }

examples/pumpswap_direct_trading/src/main.rs

@@ -0,0 +1,94 @@
+use sol_trade_sdk::{
+    common::{AnyResult, PriorityFee, TradeConfig},
+    swqos::SwqosConfig,
+    trading::{core::params::PumpSwapParams, factory::DexType},
+    SolanaTrade,
+};
+use solana_sdk::{commitment_config::CommitmentConfig, signature::Keypair};
+use solana_sdk::{pubkey::Pubkey, signer::Signer};
+use spl_associated_token_account::get_associated_token_address_with_program_id;
+use std::{str::FromStr, sync::Arc};
+
+#[tokio::main]
+async fn main() -> Result<(), Box<dyn std::error::Error>> {
+    println!("Testing PumpSwap trading...");
+
+    let client = create_solana_trade_client().await?;
+    let slippage_basis_points = Some(100);
+    let recent_blockhash = client.rpc.get_latest_blockhash().await?;
+    let pool = Pubkey::from_str("539m4mVWt6iduB6W8rDGPMarzNCMesuqY5eUTiiYHAgR").unwrap();
+    let mint_pubkey = Pubkey::from_str("pumpCmXqMfrsAkQ5r49WcJnRayYRqmXz6ae8H7H9Dfn").unwrap();
+
+    // Buy tokens
+    println!("Buying tokens from PumpSwap...");
+    let buy_sol_amount = 100_000;
+    client
+        .buy(
+            DexType::PumpSwap,
+            mint_pubkey,
+            buy_sol_amount,
+            slippage_basis_points,
+            recent_blockhash,
+            None,
+            Box::new(PumpSwapParams::from_pool_address_by_rpc(&client.rpc, &pool).await?),
+            None,
+            true,
+        )
+        .await?;
+
+    // Sell tokens
+    println!("Selling tokens from PumpSwap...");
+
+    let rpc = client.rpc.clone();
+    let payer = client.payer.pubkey();
+    let program_id = spl_token_2022::ID;
+    let account = get_associated_token_address_with_program_id(&payer, &mint_pubkey, &program_id);
+    let balance = rpc.get_token_account_balance(&account).await?;
+    let amount_token = balance.amount.parse::<u64>().unwrap();
+    client
+        .sell(
+            DexType::PumpSwap,
+            mint_pubkey,
+            amount_token,
+            slippage_basis_points,
+            recent_blockhash,
+            None,
+            false,
+            Box::new(PumpSwapParams::from_pool_address_by_rpc(&client.rpc, &pool).await?),
+            None,
+            true,
+        )
+        .await?;
+
+    tokio::signal::ctrl_c().await?;
+    Ok(())
+}
+
+/// Create SolanaTrade client
+/// Initializes a new SolanaTrade client with configuration
+async fn create_solana_trade_client() -> AnyResult<SolanaTrade> {
+    println!("Creating SolanaTrade client...");
+
+    let payer = Keypair::from_base58_string("use_your_own_keypair");
+    let rpc_url = "https://api.mainnet-beta.solana.com".to_string();
+
+    let swqos_configs = vec![SwqosConfig::Default(rpc_url.clone())];
+
+    let mut priority_fee = PriorityFee::default();
+    priority_fee.buy_tip_fees = vec![0.001];
+    // Configure according to your needs
+    priority_fee.rpc_unit_limit = 150000;
+
+    let trade_config = TradeConfig {
+        rpc_url,
+        commitment: CommitmentConfig::confirmed(),
+        priority_fee: priority_fee,
+        swqos_configs,
+        lookup_table_key: None,
+    };
+
+    let solana_trade_client = SolanaTrade::new(Arc::new(payer), trade_config).await;
+    println!("SolanaTrade client created successfully!");
+
+    Ok(solana_trade_client)
+}