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