ysq
2f5a63ed55
Add Meteora DAMM V2 trading protocol with instruction builder, type definitions, and fixed_output_token_amount parameter for precise output control. Update all examples and documentation.
108 lines
4.0 KiB
Rust
108 lines
4.0 KiB
Rust
use anyhow::Result;
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use sol_trade_sdk::{
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common::{AnyResult, TradeConfig},
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swqos::{SwqosConfig, SwqosRegion},
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trading::{
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core::params::PumpSwapParams, factory::DexType, middleware::builtin::LoggingMiddleware,
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InstructionMiddleware, MiddlewareManager,
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},
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SolanaTrade, TradeTokenType,
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};
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use solana_commitment_config::CommitmentConfig;
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use solana_sdk::{instruction::Instruction, pubkey::Pubkey, signature::Keypair};
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use std::{str::FromStr, sync::Arc};
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#[tokio::main]
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async fn main() -> Result<(), Box<dyn std::error::Error>> {
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test_middleware().await?;
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Ok(())
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}
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/// Custom middleware
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#[derive(Clone)]
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pub struct CustomMiddleware;
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impl InstructionMiddleware for CustomMiddleware {
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fn name(&self) -> &'static str {
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"CustomMiddleware"
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}
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fn process_protocol_instructions(
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&self,
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protocol_instructions: Vec<Instruction>,
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protocol_name: String,
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is_buy: bool,
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) -> Result<Vec<Instruction>> {
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// do anything you want here
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// you can modify the instructions here
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Ok(protocol_instructions)
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}
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fn process_full_instructions(
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&self,
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full_instructions: Vec<Instruction>,
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protocol_name: String,
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is_buy: bool,
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) -> Result<Vec<Instruction>> {
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// do anything you want here
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// you can modify the instructions here
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Ok(full_instructions)
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}
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fn clone_box(&self) -> Box<dyn InstructionMiddleware> {
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Box::new(self.clone())
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}
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}
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/// Create SolanaTrade client
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/// Initializes a new SolanaTrade client with configuration
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async fn create_solana_trade_client() -> AnyResult<SolanaTrade> {
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println!("🚀 Initializing SolanaTrade client...");
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let payer = Keypair::from_base58_string("use_your_payer_keypair_here");
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let rpc_url = "https://api.mainnet-beta.solana.com".to_string();
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let commitment = CommitmentConfig::confirmed();
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let swqos_configs: Vec<SwqosConfig> = vec![SwqosConfig::Default(rpc_url.clone())];
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let trade_config = TradeConfig::new(rpc_url, swqos_configs, commitment);
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let solana_trade = SolanaTrade::new(Arc::new(payer), trade_config).await;
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// set global strategy
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sol_trade_sdk::common::GasFeeStrategy::set_global_fee_strategy(150000, 500000, 0.001, 0.001);
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println!("✅ SolanaTrade client initialized successfully!");
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Ok(solana_trade)
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}
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async fn test_middleware() -> AnyResult<()> {
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let mut client = create_solana_trade_client().await?;
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// SDK example middleware that prints instruction information
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// You can reference LoggingMiddleware to implement the InstructionMiddleware trait for your own middleware
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let middleware_manager = MiddlewareManager::new().add_middleware(Box::new(CustomMiddleware));
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client = client.with_middleware_manager(middleware_manager);
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let mint_pubkey = Pubkey::from_str("pumpCmXqMfrsAkQ5r49WcJnRayYRqmXz6ae8H7H9Dfn")?;
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let buy_sol_cost = 100_000;
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let slippage_basis_points = Some(100);
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let recent_blockhash = client.rpc.get_latest_blockhash().await?;
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let pool_address = Pubkey::from_str("539m4mVWt6iduB6W8rDGPMarzNCMesuqY5eUTiiYHAgR")?;
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let buy_params = sol_trade_sdk::TradeBuyParams {
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dex_type: DexType::PumpSwap,
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input_token_type: TradeTokenType::WSOL,
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mint: mint_pubkey,
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input_token_amount: buy_sol_cost,
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slippage_basis_points: slippage_basis_points,
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recent_blockhash: Some(recent_blockhash),
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extension_params: Box::new(
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PumpSwapParams::from_pool_address_by_rpc(&client.rpc, &pool_address).await?,
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),
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lookup_table_key: None,
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wait_transaction_confirmed: true,
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create_input_token_ata: true,
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close_input_token_ata: true,
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create_mint_ata: true,
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open_seed_optimize: false,
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durable_nonce: None,
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fixed_output_token_amount: None,
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};
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client.buy(buy_params).await?;
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println!("tip: This transaction will not succeed because we're using a test account. You can modify the code to initialize the payer with your own private key");
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Ok(())
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}
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