Release v4.0.1: Fix BlockRazor gRPC endpoints and set gRPC as default transport

## Changes since v4.0.0

### Bug Fixes
- Fixed BlockRazor gRPC endpoints to use correct gRPC service URLs
- Set gRPC as the default transport layer for BlockRazor with HTTP fallback

This release improves the reliability and performance of BlockRazor integration by prioritizing gRPC communication while maintaining HTTP fallback compatibility.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "sol-trade-sdk"
-version = "4.0.0"
+version = "4.0.1"
 edition = "2021"
 authors = [
     "William <byteblock6@gmail.com>",

README.md

@@ -90,14 +90,14 @@ Add the dependency to your `Cargo.toml`:
 
 ```toml
 # Add to your Cargo.toml
-sol-trade-sdk = { path = "./sol-trade-sdk", version = "4.0.0" }
+sol-trade-sdk = { path = "./sol-trade-sdk", version = "4.0.1" }
 ```
 
 ### Use crates.io
 
 ```toml
 # Add to your Cargo.toml
-sol-trade-sdk = "4.0.0"
+sol-trade-sdk = "4.0.1"
 ```
 
 ## 🛠️ Usage Examples

README_CN.md

@@ -90,14 +90,14 @@ git clone https://github.com/0xfnzero/sol-trade-sdk
 
 ```toml
 # 添加到您的 Cargo.toml
-sol-trade-sdk = { path = "./sol-trade-sdk", version = "4.0.0" }
+sol-trade-sdk = { path = "./sol-trade-sdk", version = "4.0.1" }
 ```
 
 ### 使用 crates.io
 
 ```toml
 # 添加到您的 Cargo.toml
-sol-trade-sdk = "4.0.0"
+sol-trade-sdk = "4.0.1"
 ```
 
 ## 🛠️ 使用示例

src/constants/swqos.rs

@@ -277,6 +277,19 @@ pub const SWQOS_ENDPOINTS_BLOCKRAZOR: [&str; 8] = [
     "http://frankfurt.solana.blockrazor.xyz:443/v2/sendTransaction",
 ];
 
+/// BlockRazor gRPC endpoints. Region order: NewYork, Frankfurt, Amsterdam, SLC, Tokyo, London, LosAngeles, Default.
+/// Port 80 for gRPC protocol. Auth: apikey metadata in gRPC headers.
+pub const SWQOS_ENDPOINTS_BLOCKRAZOR_GRPC: [&str; 8] = [
+    "http://newyork.solana-grpc.blockrazor.xyz:80",
+    "http://frankfurt.solana-grpc.blockrazor.xyz:80",
+    "http://amsterdam.solana-grpc.blockrazor.xyz:80",
+    "http://newyork.solana-grpc.blockrazor.xyz:80",
+    "http://tokyo.solana-grpc.blockrazor.xyz:80",
+    "http://london.solana-grpc.blockrazor.xyz:80",
+    "http://newyork.solana-grpc.blockrazor.xyz:80",
+    "http://frankfurt.solana-grpc.blockrazor.xyz:80",
+];
+
 /// Astralane binary API path (no Base64; use with ?api-key=...&method=sendTransaction|getHealth).
 pub const ASTRALANE_PATH_IRISB: &str = "irisb";
 

src/swqos/mod.rs

@@ -30,15 +30,16 @@ use crate::{
     common::SolanaRpcClient,
     constants::swqos::{
         SWQOS_ENDPOINTS_ASTRALANE, SWQOS_ENDPOINTS_ASTRALANE_QUIC, SWQOS_ENDPOINTS_BLOCKRAZOR,
-        SWQOS_ENDPOINTS_BLOX, SWQOS_ENDPOINTS_FLASHBLOCK, SWQOS_ENDPOINTS_HELIUS,
-        SWQOS_ENDPOINTS_JITO, SWQOS_ENDPOINTS_NEXTBLOCK, SWQOS_ENDPOINTS_NODE1,
-        SWQOS_ENDPOINTS_NODE1_QUIC, SWQOS_ENDPOINTS_SOYAS, SWQOS_ENDPOINTS_SPEEDLANDING,
-        SWQOS_ENDPOINTS_STELLIUM, SWQOS_ENDPOINTS_TEMPORAL, SWQOS_ENDPOINTS_ZERO_SLOT,
-        SWQOS_MIN_TIP_ASTRALANE, SWQOS_MIN_TIP_BLOCKRAZOR, SWQOS_MIN_TIP_BLOXROUTE,
-        SWQOS_MIN_TIP_DEFAULT, SWQOS_MIN_TIP_FLASHBLOCK, SWQOS_MIN_TIP_HELIUS, SWQOS_MIN_TIP_JITO,
-        SWQOS_MIN_TIP_LIGHTSPEED, SWQOS_MIN_TIP_NEXTBLOCK, SWQOS_MIN_TIP_NODE1,
-        SWQOS_MIN_TIP_SOYAS, SWQOS_MIN_TIP_SPEEDLANDING, SWQOS_MIN_TIP_STELLIUM,
-        SWQOS_MIN_TIP_TEMPORAL, SWQOS_MIN_TIP_ZERO_SLOT,
+        SWQOS_ENDPOINTS_BLOCKRAZOR_GRPC, SWQOS_ENDPOINTS_BLOX, SWQOS_ENDPOINTS_FLASHBLOCK,
+        SWQOS_ENDPOINTS_HELIUS, SWQOS_ENDPOINTS_JITO, SWQOS_ENDPOINTS_NEXTBLOCK,
+        SWQOS_ENDPOINTS_NODE1, SWQOS_ENDPOINTS_NODE1_QUIC, SWQOS_ENDPOINTS_SOYAS,
+        SWQOS_ENDPOINTS_SPEEDLANDING, SWQOS_ENDPOINTS_STELLIUM, SWQOS_ENDPOINTS_TEMPORAL,
+        SWQOS_ENDPOINTS_ZERO_SLOT, SWQOS_MIN_TIP_ASTRALANE, SWQOS_MIN_TIP_BLOCKRAZOR,
+        SWQOS_MIN_TIP_BLOXROUTE, SWQOS_MIN_TIP_DEFAULT, SWQOS_MIN_TIP_FLASHBLOCK,
+        SWQOS_MIN_TIP_HELIUS, SWQOS_MIN_TIP_JITO, SWQOS_MIN_TIP_LIGHTSPEED,
+        SWQOS_MIN_TIP_NEXTBLOCK, SWQOS_MIN_TIP_NODE1, SWQOS_MIN_TIP_SOYAS,
+        SWQOS_MIN_TIP_SPEEDLANDING, SWQOS_MIN_TIP_STELLIUM, SWQOS_MIN_TIP_TEMPORAL,
+        SWQOS_MIN_TIP_ZERO_SLOT,
     },
     swqos::{
         astralane::AstralaneClient, blockrazor::BlockRazorClient, bloxroute::BloxrouteClient,
@@ -63,11 +64,14 @@ pub const SWQOS_BLACKLIST: &[SwqosType] = &[
     SwqosType::NextBlock, // NextBlock is disabled by default
 ];
 
-/// SWQOS 提交通道：HTTP 或 QUIC（低延迟）。部分提供商（如 Astralane）支持 QUIC。
+/// SWQOS 提交通道：HTTP、gRPC 或 QUIC（低延迟）。
+/// BlockRazor 支持 gRPC 和 HTTP。
+/// Astralane 和 Node1 支持 QUIC。
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Default)]
 pub enum SwqosTransport {
     #[default]
     Http,
+    Grpc,
     Quic,
 }
 
@@ -224,7 +228,7 @@ pub enum SwqosConfig {
     Node1(String, SwqosRegion, Option<String>, Option<SwqosTransport>),
     /// FlashBlock(api_token, region, custom_url)
     FlashBlock(String, SwqosRegion, Option<String>),
-    /// BlockRazor(api_token, region, custom_url, transport). transport=None => gRPC; Some(Http) => HTTP.
+    /// BlockRazor(api_token, region, custom_url, transport). transport=None 或 Grpc => gRPC; Some(Http) => HTTP.
     BlockRazor(String, SwqosRegion, Option<String>, Option<SwqosTransport>),
     /// Astralane(api_token, region, custom_url, transport). transport=None 表示 Http。
     Astralane(String, SwqosRegion, Option<String>, Option<SwqosTransport>),
@@ -294,6 +298,46 @@ impl SwqosConfig {
         }
     }
 
+    pub fn get_endpoint_with_transport(
+        swqos_type: SwqosType,
+        region: SwqosRegion,
+        url: Option<String>,
+        transport: Option<SwqosTransport>,
+    ) -> String {
+        if let Some(custom_url) = url {
+            return custom_url;
+        }
+
+        match swqos_type {
+            SwqosType::BlockRazor => {
+                // transport=None 或 transport=Grpc => gRPC; transport=Http => HTTP
+                let use_http = transport.map_or(false, |t| t == SwqosTransport::Http);
+                if use_http {
+                    SWQOS_ENDPOINTS_BLOCKRAZOR[region as usize].to_string()
+                } else {
+                    SWQOS_ENDPOINTS_BLOCKRAZOR_GRPC[region as usize].to_string()
+                }
+            }
+            SwqosType::Node1 => {
+                let use_quic = transport.map_or(false, |t| t == SwqosTransport::Quic);
+                if use_quic {
+                    SWQOS_ENDPOINTS_NODE1_QUIC[region as usize].to_string()
+                } else {
+                    SWQOS_ENDPOINTS_NODE1[region as usize].to_string()
+                }
+            }
+            SwqosType::Astralane => {
+                let use_quic = transport.map_or(false, |t| t == SwqosTransport::Quic);
+                if use_quic {
+                    SWQOS_ENDPOINTS_ASTRALANE_QUIC[region as usize].to_string()
+                } else {
+                    SWQOS_ENDPOINTS_ASTRALANE[region as usize].to_string()
+                }
+            }
+            _ => Self::get_endpoint(swqos_type, region, url),
+        }
+    }
+
     pub async fn get_swqos_client(
         rpc_url: String,
         commitment: CommitmentConfig,
@@ -352,17 +396,15 @@ impl SwqosConfig {
                 Ok(Arc::new(flashblock_client))
             }
             SwqosConfig::BlockRazor(auth_token, region, url, transport) => {
-                // BlockRazor: transport=None 或 transport=Http 时使用 HTTP，否则使用 gRPC
-                // 默认使用 HTTP，避免 gRPC FRAME_SIZE_ERROR
-                let use_http = transport.map_or(true, |t| t == SwqosTransport::Http);
+                // BlockRazor: transport=None 或 transport=Grpc 时使用 gRPC，transport=Http 时使用 HTTP
+                let use_http = transport.map_or(false, |t| t == SwqosTransport::Http);
+                let endpoint = SwqosConfig::get_endpoint_with_transport(SwqosType::BlockRazor, region, url, transport);
                 if use_http {
-                    let endpoint = SwqosConfig::get_endpoint(SwqosType::BlockRazor, region, url);
                     let blockrazor_client =
                         BlockRazorClient::new_http(rpc_url.clone(), endpoint.to_string(), auth_token);
                     Ok(Arc::new(blockrazor_client))
                 } else {
-                    // 使用 gRPC 模式（用户明确指定了非 Http 的 transport）
-                    let endpoint = SwqosConfig::get_endpoint(SwqosType::BlockRazor, region, url);
+                    // 使用 gRPC 模式（默认或用户明确指定了 gRPC）
                     let blockrazor_client =
                         BlockRazorClient::new_grpc(rpc_url.clone(), endpoint.to_string(), auth_token).await?;
                     Ok(Arc::new(blockrazor_client))