updated the code

Author: ritikbhatt20

basics/pda-rent-payer/poseidon/pda-rent-payer/programs/pda-rent-payer/src/lib.rs

@@ -1,16 +1,55 @@
 use anchor_lang::prelude::*;
-
+use anchor_lang::system_program::{Transfer, transfer};
 declare_id!("8R1pBZKFyvBdR7LDa4R45JWSdUFnJdRSo9P1MPr571LC");
-
 #[program]
 pub mod pda_rent_payer {
     use super::*;
-
-    pub fn initialize(ctx: Context<Initialize>) -> Result<()> {
-        msg!("Greetings from: {:?}", ctx.program_id);
+    pub fn init_rent_vault(
+        ctx: Context<InitRentVaultContext>,
+        fund_lamports: u64,
+    ) -> Result<()> {
+        let transfer_accounts = Transfer {
+            from: ctx.accounts.payer.to_account_info(),
+            to: ctx.accounts.rentVault.to_account_info(),
+        };
+        let cpi_ctx = CpiContext::new(
+            ctx.accounts.system_program.to_account_info(),
+            transfer_accounts,
+        );
+        transfer(cpi_ctx, fund_lamports)?;
+        Ok(())
+    }
+    pub fn create_new_account(
+        ctx: Context<CreateNewAccountContext>,
+        amount: u64,
+    ) -> Result<()> {
+        let transfer_accounts = Transfer {
+            from: ctx.accounts.rentVault.to_account_info(),
+            to: ctx.accounts.newAccount.to_account_info(),
+        };
+        let signer_seeds: &[&[&[u8]]; 1] = &[&[b"rent_vault", &[ctx.bumps.rent_vault]]];
+        let cpi_ctx = CpiContext::new_with_signer(
+            ctx.accounts.system_program.to_account_info(),
+            transfer_accounts,
+            signer_seeds,
+        );
+        transfer(cpi_ctx, amount)?;
         Ok(())
     }
 }
-
 #[derive(Accounts)]
-pub struct Initialize {}
+pub struct InitRentVaultContext<'info> {
+    #[account(mut)]
+    pub payer: Signer<'info>,
+    #[account(mut, seeds = [b"rent_vault"], bump)]
+    pub rent_vault: SystemAccount<'info>,
+    pub system_program: Program<'info, System>,
+}
+#[derive(Accounts)]
+pub struct CreateNewAccountContext<'info> {
+    #[account(mut, seeds = [b"rent_vault"], bump)]
+    pub rent_vault: SystemAccount<'info>,
+    #[account(mut)]
+    pub new_account: Signer<'info>,
+    pub system_program: Program<'info, System>,
+}

basics/pda-rent-payer/poseidon/pda-rent-payer/ts-programs/src/pdaRentPayer.ts

@@ -1,9 +1,16 @@
-import { Pubkey, type Result } from '@solanaturbine/poseidon';
+import { LAMPORTS_PER_SOL } from '@solana/web3.js';
+import { Pubkey, type Result, Signer, SystemAccount, SystemProgram, u64 } from '@solanaturbine/poseidon';
 
 export default class PdaRentPayer {
-  static PROGRAM_ID = new Pubkey('11111111111111111111111111111111');
+  static PROGRAM_ID = new Pubkey('8R1pBZKFyvBdR7LDa4R45JWSdUFnJdRSo9P1MPr571LC');
 
-  initialize(): Result {
-    // Write your program here
+  initRentVault(payer: Signer, rentVault: SystemAccount, fundLamports: u64): Result {
+    rentVault.derive(['rent_vault']);
+    SystemProgram.transfer(payer, rentVault, fundLamports);
+  }
+
+  createNewAccount(newAccount: Signer, rentVault: SystemAccount, amount: u64): Result {
+    rentVault.derive(['rent_vault']);
+    SystemProgram.transfer(rentVault, newAccount, amount, ['rent_vault', rentVault.getBump()]);
   }
 }