update readme

src/main.rs

@@ -1,52 +1,92 @@
-use pumpfun_sdk::common::{
-    logs_events::PumpfunEvent,
-    logs_subscribe::{tokens_subscription, stop_subscription}
-};
-use solana_sdk::commitment_config::CommitmentConfig;
+use std::sync::Arc;
+use pumpfun_sdk::{common::{logs_events::PumpfunEvent, Cluster, PriorityFee}, grpc::YellowstoneGrpc, ipfs, PumpFun};
+use solana_sdk::{commitment_config::CommitmentConfig, native_token::sol_to_lamports, signature::Keypair, signer::Signer};
 
 #[tokio::main]
 async fn main() -> Result<(), Box<dyn std::error::Error>> {
-    println!("Starting token subscription\n");
+    // create grpc client
+    let grpc_url = "http://127.0.0.1:10000";
+    let client = YellowstoneGrpc::new(grpc_url.to_string());
 
-    let ws_url = "wss://api.mainnet-beta.solana.com";
-            
-    // Set commitment
-    let commitment = CommitmentConfig::confirmed();
-    
     // Define callback function
     let callback = |event: PumpfunEvent| {
         match event {
-            PumpfunEvent::NewDevTrade(trade_info) => {
-                println!("Received new dev trade event: {:?}", trade_info);
-            },
             PumpfunEvent::NewToken(token_info) => {
                 println!("Received new token event: {:?}", token_info);
             },
+            PumpfunEvent::NewDevTrade(trade_info) => {
+                println!("Received dev trade event: {:?}", trade_info);
+            },
             PumpfunEvent::NewUserTrade(trade_info) => {
                 println!("Received new trade event: {:?}", trade_info);
             },
             PumpfunEvent::NewBotTrade(trade_info) => {
                 println!("Received new bot trade event: {:?}", trade_info);
-            },
+            }
             PumpfunEvent::Error(err) => {
                 println!("Received error: {}", err);
             }
         }
     };
 
-    // Start subscription
-    let subscription = tokens_subscription(
-        ws_url,
-        commitment,
-        callback,
-        None
-    ).await.unwrap();
-
-    // Wait for a while to receive events
-    tokio::time::sleep(tokio::time::Duration::from_secs(60)).await;
-
-    // Stop subscription
-    stop_subscription(subscription).await;
+    let payer_keypair = Keypair::from_base58_string("your private key");
+    client.subscribe_pumpfun(callback, Some(payer_keypair.pubkey())).await?;
 
     Ok(())  
+}
+
+async fn create_and_buy() -> Result<(), Box<dyn std::error::Error>> {
+    let priority_fee = PriorityFee{
+        unit_limit: 72000,
+        unit_price: 1000000,
+        buy_tip_fee: 0.001,
+        sell_tip_fee: 0.0001,
+    };
+
+    let cluster = Cluster {
+        rpc_url: "https://api.mainnet-beta.solana.com".to_string(),
+        block_engine_url: "https://block-engine.example.com".to_string(),
+        nextblock_url: "https://nextblock.example.com".to_string(),
+        nextblock_auth_token: "nextblock_api_token".to_string(),
+        zeroslot_url: "https://zeroslot.example.com".to_string(),
+        zeroslot_auth_token: "zeroslot_api_token".to_string(),
+        use_jito: true,
+        use_nextblock: false,
+        use_zeroslot: false,
+        priority_fee,
+        commitment: CommitmentConfig::processed(),
+    };
+
+    // create pumpfun instance
+    let payer = Keypair::new();
+    let pumpfun = PumpFun::new(
+        Arc::new(payer), 
+        &cluster,
+    ).await;
+
+    let metadata = ipfs::CreateTokenMetadata {
+        name: "Doge".to_string(),
+        symbol: "DOGE".to_string(),
+        description: "Dogecoin".to_string(),
+        file: "/Users/joseph/Desktop/doge.png".to_string(),
+        twitter: None,
+        telegram: None,
+        website: None,
+        metadata_uri: None,
+    };
+
+    // ipfs_api_key for https://api.pinata.cloud 
+    let ipfs_metadata = ipfs::create_token_metadata(metadata, &"".to_string()).await?;
+    println!("ipfs_metadata: {:?}", ipfs_metadata);
+
+    let mint = Keypair::new();
+
+    pumpfun.create_and_buy(
+        mint, 
+        ipfs_metadata, 
+        sol_to_lamports(0.1), 
+        None,
+    ).await?;
+    
+    Ok(()) // 添加返回值
 }