anchor hello

cli

anchor init hello
anchor build
anchor deploy

rs

use anchor_lang::prelude::*;

declare_id!("CmZmxwSoQ6ZcLdwfRZURq2DLoYoHUADYJXAMiQuJNjFv");

#[program]
pub mod hello {
    use super::*;

    pub fn initialize(ctx: Context<Initialize>) -> Result<()> {
        msg!("Greetings from: {:?}", ctx.program_id);
        Ok(())
    }
}

#[derive(Accounts)]
pub struct Initialize {}

js

const anchor = require('@coral-xyz/anchor');
const { PublicKey } = require('@solana/web3.js');

// Set up the provider
const provider = anchor.AnchorProvider.local();
anchor.setProvider(provider);

// Load the IDL
const idl = require('../target/idl/hello.json');

// Program ID (replace with your program ID)
const programId = new PublicKey('CmZmxwSoQ6ZcLdwfRZURq2DLoYoHUADYJXAMiQuJNjFv');

// Create the program interface
const program = new anchor.Program(idl, provider );
console.log('program',program)
  
// Function to call the set_data method
async function setData() {
  try {
    // Call the set_data method
    const tx = await program.methods.initialize().rpc();
    console.log("Your transaction signature", tx);
  } catch (err) {
    console.error('Error calling set_data:', err);
  }
}

// Execute the function
setData();

本地命令