steel bumped to 2.1.0

Author: arekEmotiv

basics/checking-accounts/steel/program/src/initialize.rs

@@ -1,3 +1,5 @@
+use crate::ACCOUNT;
+use checking_account_api::ID;
 use solana_program::{
     account_info::AccountInfo,
     msg,
@@ -16,10 +18,14 @@ pub fn process_accounts(accounts: &[AccountInfo<'_>], _data: &[u8]) -> ProgramRe
     // verify that first one is a signer
     signer_info.is_signer()?;
 
-    // new account needs to be 
-    // 1. empty
-    // 2. writable
-    new_account_info.is_empty()?.is_writable()?;
+    // new account needs to  
+    // 1. be empty
+    // 2. be writable
+    // 3. has seeds
+    new_account_info.is_empty()?.is_writable()?.has_seeds(
+        &[ACCOUNT],
+        &ID
+    )?;
 
     // verify program ID from the instruction
     system_program.is_program(&system_program::ID)?;