62 lines
2.0 KiB
Rust
62 lines
2.0 KiB
Rust
use crate::bank_client::BankClient;
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use serde::Serialize;
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use solana_sdk::client::SyncClient;
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use solana_sdk::instruction::{AccountMeta, Instruction};
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use solana_sdk::loader_instruction;
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use solana_sdk::message::Message;
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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_instruction;
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pub fn load_program(
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bank_client: &BankClient,
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from_keypair: &Keypair,
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loader_pubkey: &Pubkey,
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program: Vec<u8>,
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) -> Pubkey {
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let program_keypair = Keypair::new();
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let program_pubkey = program_keypair.pubkey();
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let instruction = system_instruction::create_account(
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&from_keypair.pubkey(),
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&program_pubkey,
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1,
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program.len() as u64,
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loader_pubkey,
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);
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bank_client
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.send_instruction(&from_keypair, instruction)
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.unwrap();
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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 instruction =
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loader_instruction::write(&program_pubkey, loader_pubkey, offset, chunk.to_vec());
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let message = Message::new_with_payer(vec![instruction], Some(&from_keypair.pubkey()));
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bank_client
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.send_message(&[from_keypair, &program_keypair], message)
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.unwrap();
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offset += chunk_size as u32;
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}
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let instruction = loader_instruction::finalize(&program_pubkey, loader_pubkey);
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let message = Message::new_with_payer(vec![instruction], Some(&from_keypair.pubkey()));
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bank_client
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.send_message(&[from_keypair, &program_keypair], message)
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.unwrap();
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program_pubkey
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}
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// Return an Instruction that invokes `program_id` with `data` and required
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// a signature from `from_pubkey`.
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pub fn create_invoke_instruction<T: Serialize>(
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from_pubkey: Pubkey,
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program_id: Pubkey,
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data: &T,
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) -> Instruction {
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let account_metas = vec![AccountMeta::new(from_pubkey, true)];
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Instruction::new(program_id, data, account_metas)
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}
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