完整测试
tests/pda_test.rs
use litesvm::LiteSVM;use solana_account::Account;use solana_sdk::pubkey::Pubkey;#[test]fn test_pda_creation() {let mut svm = LiteSVM::new();// Program that owns the PDAlet program_id = Pubkey::new_unique();// Derive PDA addresslet seed = b"my_pda";let (pda, bump) = Pubkey::find_program_address(&[seed],&program_id);println!("PDA: {}", pda);println!("Bump: {}", bump);// Create PDA account manually (for testing)svm.set_account(pda, Account {lamports: 1_000_000,data: vec![bump], // Store bump seed in dataowner: program_id,executable: false,rent_epoch: 0,}).unwrap();// Verify PDA was createdlet account = svm.get_account(&pda).unwrap();assert_eq!(account.owner, program_id);assert_eq!(account.data[0], bump);println!("PDA created successfully!");}
关键要点
- PDA 推导:使用
Pubkey::find_program_address()推导 PDA 地址 - Seeds:PDA 由 seeds 和程序 ID 推导而来
- Bump Seed:bump seed 确保地址不在 ed25519 曲线上
- 账户创建:使用
set_account()手动创建账户以进行测试 - 所有权:PDA 必须由派生它的程序所拥有
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