66 lines
2.2 KiB
Rust
Executable File
66 lines
2.2 KiB
Rust
Executable File
use anyhow::anyhow;
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use solana_hash::Hash;
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use solana_sdk::{instruction::Instruction, signature::Keypair, signer::Signer};
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use solana_system_interface::instruction::advance_nonce_account;
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use crate::common::nonce_cache::NonceCache;
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/// 添加nonce消费指令到指令集合中
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///
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/// 只有提供了nonce_pubkey时才使用nonce功能
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/// 如果nonce被锁定、已使用或未准备好,将返回错误
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/// 成功时会锁定并标记nonce为已使用
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pub fn add_nonce_instruction(
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instructions: &mut Vec<Instruction>,
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payer: &Keypair,
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) -> Result<(), anyhow::Error> {
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let nonce_cache = NonceCache::get_instance();
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let nonce_info = nonce_cache.get_nonce_info();
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// 只检查nonce_account是否存在
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if let Some(nonce_pubkey) = nonce_info.nonce_account {
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// 暂不加锁
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// if nonce_info.lock {
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// return Err(anyhow!("Nonce is locked"));
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// }
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if nonce_info.used {
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return Err(anyhow!("Nonce is used"));
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}
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if nonce_info.current_nonce == Hash::default() {
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return Err(anyhow!("Nonce is not ready"));
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}
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// if nonce_info.next_buy_time == 0 || chrono::Utc::now().timestamp() < nonce_info.next_buy_time {
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// return Err(anyhow!("Nonce is not ready"));
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// }
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// 加锁 - 暂不加锁
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// nonce_cache.lock();
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// 创建Solana系统nonce推进指令 - 使用系统程序ID
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let nonce_advance_ix = advance_nonce_account(&nonce_pubkey, &payer.pubkey());
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instructions.push(nonce_advance_ix);
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}
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Ok(())
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}
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/// 获取用于交易的blockhash
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/// 如果使用了nonce账户,返回nonce中的blockhash,否则返回传入的recent_blockhash
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pub fn get_transaction_blockhash(recent_blockhash: Hash) -> Hash {
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let nonce_cache = NonceCache::get_instance();
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let nonce_info = nonce_cache.get_nonce_info();
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if nonce_info.nonce_account.is_some() {
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nonce_info.current_nonce
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} else {
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recent_blockhash
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}
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}
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/// 检查是否使用nonce账户
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pub fn is_using_nonce() -> bool {
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let nonce_cache = NonceCache::get_instance();
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let nonce_info = nonce_cache.get_nonce_info();
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nonce_info.nonce_account.is_some()
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}
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