solana_sdk/
system_transaction.rs

1//! The `system_transaction` module provides functionality for creating system transactions.
2#![cfg(feature = "full")]
3
4use crate::{
5    hash::Hash,
6    message::Message,
7    pubkey::Pubkey,
8    signature::{Keypair, Signer},
9    system_instruction,
10    transaction::Transaction,
11};
12
13/// Create and sign new SystemInstruction::CreateAccount transaction
14pub fn create_account(
15    from_keypair: &Keypair,
16    to_keypair: &Keypair,
17    recent_blockhash: Hash,
18    lamports: u64,
19    space: u64,
20    program_id: &Pubkey,
21) -> Transaction {
22    let from_pubkey = from_keypair.pubkey();
23    let to_pubkey = to_keypair.pubkey();
24    let instruction =
25        system_instruction::create_account(&from_pubkey, &to_pubkey, lamports, space, program_id);
26    let message = Message::new(&[instruction], Some(&from_pubkey));
27    Transaction::new(&[from_keypair, to_keypair], message, recent_blockhash)
28}
29
30/// Create and sign new SystemInstruction::Allocate transaction
31pub fn allocate(
32    payer_keypair: &Keypair,
33    account_keypair: &Keypair,
34    recent_blockhash: Hash,
35    space: u64,
36) -> Transaction {
37    let payer_pubkey = payer_keypair.pubkey();
38    let account_pubkey = account_keypair.pubkey();
39    let instruction = system_instruction::allocate(&account_pubkey, space);
40    let message = Message::new(&[instruction], Some(&payer_pubkey));
41    Transaction::new(&[payer_keypair, account_keypair], message, recent_blockhash)
42}
43
44/// Create and sign new system_instruction::Assign transaction
45pub fn assign(from_keypair: &Keypair, recent_blockhash: Hash, program_id: &Pubkey) -> Transaction {
46    let from_pubkey = from_keypair.pubkey();
47    let instruction = system_instruction::assign(&from_pubkey, program_id);
48    let message = Message::new(&[instruction], Some(&from_pubkey));
49    Transaction::new(&[from_keypair], message, recent_blockhash)
50}
51
52/// Create and sign new system_instruction::Transfer transaction
53pub fn transfer(
54    from_keypair: &Keypair,
55    to: &Pubkey,
56    lamports: u64,
57    recent_blockhash: Hash,
58) -> Transaction {
59    let from_pubkey = from_keypair.pubkey();
60    let instruction = system_instruction::transfer(&from_pubkey, to, lamports);
61    let message = Message::new(&[instruction], Some(&from_pubkey));
62    Transaction::new(&[from_keypair], message, recent_blockhash)
63}
64
65/// Create and sign new nonced system_instruction::Transfer transaction
66pub fn nonced_transfer(
67    from_keypair: &Keypair,
68    to: &Pubkey,
69    lamports: u64,
70    nonce_account: &Pubkey,
71    nonce_authority: &Keypair,
72    nonce_hash: Hash,
73) -> Transaction {
74    let from_pubkey = from_keypair.pubkey();
75    let instruction = system_instruction::transfer(&from_pubkey, to, lamports);
76    let message = Message::new_with_nonce(
77        vec![instruction],
78        Some(&from_pubkey),
79        nonce_account,
80        &nonce_authority.pubkey(),
81    );
82    Transaction::new(&[from_keypair, nonce_authority], message, nonce_hash)
83}
solana_sdk/system_transaction.rs

solana_sdk/
system_transaction.rs
