Move programs/Cargo.toml into bpf/

runtime/src/loader_utils.rs

@@ -0,0 +1,42 @@
+use crate::bank::Bank;
+use solana_sdk::loader_transaction::LoaderTransaction;
+use solana_sdk::pubkey::Pubkey;
+use solana_sdk::signature::{Keypair, KeypairUtil};
+use solana_sdk::system_transaction::SystemTransaction;
+
+pub fn load_program(bank: &Bank, from: &Keypair, loader_id: Pubkey, program: Vec<u8>) -> Pubkey {
+    let program_account = Keypair::new();
+
+    let tx = SystemTransaction::new_program_account(
+        from,
+        program_account.pubkey(),
+        bank.last_blockhash(),
+        1,
+        program.len() as u64,
+        loader_id,
+        0,
+    );
+    bank.process_transaction(&tx).unwrap();
+    assert_eq!(bank.get_signature_status(&tx.signatures[0]), Some(Ok(())));
+
+    let chunk_size = 256; // Size of chunk just needs to fit into tx
+    let mut offset = 0;
+    for chunk in program.chunks(chunk_size) {
+        let tx = LoaderTransaction::new_write(
+            &program_account,
+            loader_id,
+            offset,
+            chunk.to_vec(),
+            bank.last_blockhash(),
+            0,
+        );
+        bank.process_transaction(&tx).unwrap();
+        offset += chunk_size as u32;
+    }
+
+    let tx = LoaderTransaction::new_finalize(&program_account, loader_id, bank.last_blockhash(), 0);
+    bank.process_transaction(&tx).unwrap();
+    assert_eq!(bank.get_signature_status(&tx.signatures[0]), Some(Ok(())));
+
+    program_account.pubkey()
+}