solana/drone/src/drone_mock.rs

use solana_sdk::hash::Hash;
use solana_sdk::pubkey::Pubkey;
use solana_sdk::signature::{Keypair, KeypairUtil};
use solana_sdk::system_transaction;
use solana_sdk::transaction::Transaction;
use std::io::{Error, ErrorKind};
use std::net::SocketAddr;

pub fn request_airdrop_transaction(
    _drone_addr: &SocketAddr,
    _id: &Pubkey,
    lamports: u64,
    _blockhash: Hash,
) -> Result<Transaction, Error> {
    if lamports == 0 {
        Err(Error::new(ErrorKind::Other, "Airdrop failed"))
    } else {
        let key = Keypair::new();
        let to = Pubkey::new_rand();
        let blockhash = Hash::default();
        let tx = system_transaction::transfer(&key, &to, lamports, blockhash);
        Ok(tx)
    }
}