initialize

src/utils.rs

@@ -0,0 +1,33 @@
+use solana_program::{
+    account_info::AccountInfo, entrypoint::ProgramResult, pubkey::Pubkey, rent::Rent,
+    sysvar::Sysvar,
+};
+
+/// Creates a new pda
+#[inline(always)]
+pub fn create_pda<'a, 'info>(
+    target_account: &'a AccountInfo<'info>,
+    owner: &Pubkey,
+    space: usize,
+    pda_seeds: &[&[u8]],
+    system_program: &'a AccountInfo<'info>,
+    payer: &'a AccountInfo<'info>,
+) -> ProgramResult {
+    let rent = Rent::get()?;
+    solana_program::program::invoke_signed(
+        &solana_program::system_instruction::create_account(
+            payer.key,
+            target_account.key,
+            rent.minimum_balance(space as usize),
+            space as u64,
+            owner,
+        ),
+        &[
+            payer.clone(),
+            target_account.clone(),
+            system_program.clone(),
+        ],
+        &[pda_seeds],
+    )?;
+    Ok(())
+}