add payer in swap request

README.md

@@ -13,7 +13,7 @@ or Add this to your `Cargo.toml`:
 
 ```toml
 [dependencies]
-jup-ag-sdk = "1.0.3"
+jup-ag-sdk = "1.0.4"
 ```
 
 ## Features
@@ -83,6 +83,7 @@ async fn main() {
 
 - [API Documentation](https://dev.jup.ag/)
 - [Discord](https://discord.gg/jup)
+- [crates.io](https://crates.io/crates/jup-ag-sdk)
 
 ## Local
 

examples/src/swap.rs

@@ -32,7 +32,11 @@ pub async fn swap() {
 
     let quote_res = client.get_quote(&quote).await.expect("Failed to get quote");
 
-    let payload = SwapRequest::new("input_your_wallet_address", quote_res);
+    let payload = SwapRequest::new(
+        "input_your_wallet_address",
+        "payer_wallet_address",
+        quote_res,
+    );
     let swap_res: SwapResponse = client
         .get_swap_transaction(&payload)
         .await
@@ -96,7 +100,11 @@ pub async fn swap_with_instructions() {
     let quote_res = client.get_quote(&quote).await.expect("Failed to get quote");
 
     // get swap instructions
-    let payload = SwapRequest::new("EXBdeRCdiNChKyD7akt64n9HgSXEpUtpPEhmbnm4L6iH", quote_res);
+    let payload = SwapRequest::new(
+        "EXBdeRCdiNChKyD7akt64n9HgSXEpUtpPEhmbnm4L6iH",
+        "payer_wallet_address",
+        quote_res,
+    );
 
     let swap_instructions = client
         .get_swap_instructions(&payload)

jup-ag-sdk/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "jup-ag-sdk"
-version = "1.0.3"
+version = "1.0.4"
 edition = "2024"
 license-file = "../LICENSE"
 readme = "../README.md"

jup-ag-sdk/src/types/swap_transaction.rs

@@ -13,6 +13,9 @@ pub struct SwapRequest {
     /// Rquired. The public key of the user initiating the swap.
     pub user_public_key: String,
 
+    /// Allow a custom payer to pay for the transaction
+    pub payer: String,
+
     /// Automatically wrap/unwrap native SOL to/from WSOL Default (true)
     /// When true, uses SOL and unwraps WSOL post-swap.
     /// When false, uses WSOL only and leaves it wrapped.
@@ -113,6 +116,7 @@ impl SwapRequest {
     ///
     /// # Arguments
     /// * `input_wallet` - The user's public key as a string.
+    /// * `payer` - payer to pay for the transaction
     /// * `quote` - The `QuoteResponse` obtained from a quoting endpoint.
     ///
     /// # Returns
@@ -122,9 +126,14 @@ impl SwapRequest {
     /// ```
     /// let payload = SwapRequest::new("YourPubKey...", quote);
     /// ```
-    pub fn new(input_wallet: &str, quote: QuoteResponse) -> Self {
+    pub fn new(
+        input_wallet: impl Into<String>,
+        payer: impl Into<String>,
+        quote: QuoteResponse,
+    ) -> Self {
         Self {
-            user_public_key: input_wallet.to_string(),
+            user_public_key: input_wallet.into(),
+            payer: payer.into(),
             wrap_and_unwrap_sol: None,
             use_shared_accounts: None,
             fee_account: None,

tests/src/swap.rs

@@ -131,7 +131,7 @@ mod swap_tests {
 
         match client.get_quote(&quote).await {
             Ok(quote_res) => {
-                let swap = SwapRequest::new(TEST_USER_PUBKEY, quote_res);
+                let swap = SwapRequest::new(TEST_USER_PUBKEY, TEST_USER_PUBKEY, quote_res);
 
                 assert_eq!(
                     swap.user_public_key, TEST_USER_PUBKEY,
@@ -163,7 +163,7 @@ mod swap_tests {
             Err(err) => panic!("Failed to get quote for swap test: {:?}", err),
         };
 
-        let swap = SwapRequest::new(TEST_USER_PUBKEY, quote_res);
+        let swap = SwapRequest::new(TEST_USER_PUBKEY, TEST_USER_PUBKEY, quote_res);
 
         match client.get_swap_transaction(&swap).await {
             Ok(swap_res) => {