Improve test maintainability (#20318)

programs/bpf/rust/invoked/src/instructions.rs

@@ -0,0 +1,43 @@
+//! @brief Example Rust-based BPF program that issues a cross-program-invocation
+
+use solana_program::{
+    instruction::{AccountMeta, Instruction},
+    pubkey::Pubkey,
+};
+
+pub const VERIFY_TRANSLATIONS: u8 = 0;
+pub const RETURN_ERROR: u8 = 1;
+pub const DERIVED_SIGNERS: u8 = 2;
+pub const VERIFY_NESTED_SIGNERS: u8 = 3;
+pub const VERIFY_WRITER: u8 = 4;
+pub const VERIFY_PRIVILEGE_ESCALATION: u8 = 5;
+pub const NESTED_INVOKE: u8 = 6;
+pub const RETURN_OK: u8 = 7;
+pub const VERIFY_PRIVILEGE_DEESCALATION: u8 = 8;
+pub const VERIFY_PRIVILEGE_DEESCALATION_ESCALATION_SIGNER: u8 = 9;
+pub const VERIFY_PRIVILEGE_DEESCALATION_ESCALATION_WRITABLE: u8 = 10;
+pub const WRITE_ACCOUNT: u8 = 11;
+pub const CREATE_AND_INIT: u8 = 12;
+pub const SET_RETURN_DATA: u8 = 13;
+
+pub fn create_instruction(
+    program_id: Pubkey,
+    arguments: &[(&Pubkey, bool, bool)],
+    data: Vec<u8>,
+) -> Instruction {
+    let accounts = arguments
+        .iter()
+        .map(|(key, is_writable, is_signer)| {
+            if *is_writable {
+                AccountMeta::new(**key, *is_signer)
+            } else {
+                AccountMeta::new_readonly(**key, *is_signer)
+            }
+        })
+        .collect();
+    Instruction {
+        program_id,
+        accounts,
+        data,
+    }
+}