fix: add reclaimTwapRent to recv contract

Author: tejasbadadare

target_chains/solana/programs/pyth-solana-receiver/src/lib.rs

@@ -283,6 +283,9 @@ pub mod pyth_solana_receiver {
     pub fn reclaim_rent(_ctx: Context<ReclaimRent>) -> Result<()> {
         Ok(())
     }
+    pub fn reclaim_twap_rent(_ctx: Context<ReclaimTwapRent>) -> Result<()> {
+        Ok(())
+    }
 }
 
 #[derive(Accounts)]
@@ -393,6 +396,14 @@ pub struct ReclaimRent<'info> {
     pub price_update_account: Account<'info, PriceUpdateV2>,
 }
 
+#[derive(Accounts)]
+pub struct ReclaimTwapRent<'info> {
+    #[account(mut)]
+    pub payer: Signer<'info>,
+    #[account(mut, close = payer, constraint = twap_update_account.write_authority == payer.key() @ ReceiverError::WrongWriteAuthority)]
+    pub twap_update_account: Account<'info, TwapUpdate>,
+}
+
 fn deserialize_guardian_set_checked(
     account_info: &AccountInfo<'_>,
     wormhole: &Pubkey,

target_chains/solana/sdk/js/pyth_solana_receiver/src/PythSolanaReceiver.ts

@@ -698,7 +698,7 @@ export class PythSolanaReceiver {
         "0x" + parseTwapMessage(startUpdate.message).feedId.toString("hex")
       ] = twapUpdateKeypair.publicKey;
       closeInstructions.push(
-        await this.buildClosePriceUpdateInstruction(twapUpdateKeypair.publicKey)
+        await this.buildCloseTwapUpdateInstruction(twapUpdateKeypair.publicKey)
       );
     }
 
@@ -836,6 +836,19 @@ export class PythSolanaReceiver {
     return { instruction, signers: [] };
   }
 
+  /**
+   * Build an instruction to close a TWAP update account, recovering the rent.
+   */
+  async buildCloseTwapUpdateInstruction(
+    twapUpdateAccount: PublicKey
+  ): Promise<InstructionWithEphemeralSigners> {
+    const instruction = await this.receiver.methods
+      .reclaimTwapRent()
+      .accounts({ twapUpdateAccount })
+      .instruction();
+    return { instruction, signers: [] };
+  }
+
   /**
    * Returns a set of versioned transactions that contain the provided instructions in the same order and with efficient batching
    */

target_chains/solana/sdk/js/pyth_solana_receiver/src/idl/pyth_solana_receiver.ts

@@ -350,6 +350,22 @@ export type PythSolanaReceiver = {
         }
       ];
       args: [];
+    },
+    {
+      name: "reclaimTwapRent";
+      accounts: [
+        {
+          name: "payer";
+          isMut: true;
+          isSigner: true;
+        },
+        {
+          name: "twapUpdateAccount";
+          isMut: true;
+          isSigner: false;
+        }
+      ];
+      args: [];
     }
   ];
   accounts: [
@@ -1118,6 +1134,22 @@ export const IDL: PythSolanaReceiver = {
       ],
       args: [],
     },
+    {
+      name: "reclaimTwapRent",
+      accounts: [
+        {
+          name: "payer",
+          isMut: true,
+          isSigner: true,
+        },
+        {
+          name: "twapUpdateAccount",
+          isMut: true,
+          isSigner: false,
+        },
+      ],
+      args: [],
+    },
   ],
   accounts: [
     {