znap 是一个核心库，包含 znap-macros、znap-syn 和其他用于 Solana 操作编程的必要组件。

znap 负责协调解析、转换和生成 Rust 代码所需的不同模块和工具。通过集成 znap-macros 和 znap-syn，znap 允许开发者充分利用 Rust 的功能来创建 Solana 操作。

如何导入 znap

1. cargo添加 znap
2. 在你的 lib.rs 文件中导入： use znap::prelude::*

包

包	描述	版本	文档
znap	Znap 框架的核心库，用于创建 Solana 操作

使用方法

use solana_sdk::{message::Message, pubkey, pubkey::Pubkey, transaction::Transaction};
use spl_associated_token_account::get_associated_token_address;
use spl_token::{instruction::transfer, ID as TOKEN_PROGRAM_ID};
use std::str::FromStr;
use znap::prelude::*;

#[collection]
pub mod my_actions {
    use super::*;

    pub fn fixed_transfer(ctx: Context<FixedTransferAction>) -> Result<Transaction> {
        let account_pubkey = match Pubkey::from_str(&ctx.payload.account) {
            Ok(account_pubkey) => account_pubkey,
            _ => return Err(Error::from(ActionError::InvalidAccountPublicKey)),
        };
        let mint_pubkey = pubkey!("FtaDaiPPAy52vKtzdrpMLS3bXvG9LVUYJt6TeG6XxMUi");
        let receiver_pubkey = pubkey!("6GBLiSwAPhDMttmdjo3wvEsssEnCiW3yZwVyVZnhFm3G");
        let source_pubkey = get_associated_token_address(&account_pubkey, &mint_pubkey);
        let destination_pubkey = get_associated_token_address(&receiver_pubkey, &mint_pubkey);
        let transfer_instruction = match transfer(
            &spl_token::ID,
            &source_pubkey,
            &destination_pubkey,
            &account_pubkey,
            &[&account_pubkey],
            1,
        ) {
            Ok(transfer_instruction) => transfer_instruction,
            _ => return Err(Error::from(ActionError::InvalidInstruction)),
        };
        let transaction_message = Message::new(&[transfer_instruction], None);

        Ok(Transaction::new_unsigned(transaction_message))
    }
}

#[derive(Action)]
#[action(
    icon = "https://google.com",
    title = "Fixed transfer",
    description = "Send a fixed transfer to the treasury",
    label = "Send"
)]
pub struct FixedTransferAction;

#[derive(ErrorCode)]
enum ActionError {
    #[error(msg = "Invalid account public key")]
    InvalidAccountPublicKey,
    #[error(msg = "Invalid instruction")]
    InvalidInstruction,
}