ED25519 Solana

ed25519.rs

use solana_sdk::{signature::Signer, signer::keypair::Keypair, transaction::Transaction};

#[derive(serde::Deserialize)]
struct Env {
    cluster: String,
    admin_wallet: String,
}

//pubkey: E61KAqVnsEq3N6ApArVoYp1FMBqJKDDBcijDe6tmEHte,
//let signature: [u8; 64] = [
//183, 243, 166, 77, 40, 177, 227, 74, 121, 142, 66, 162, 164, 140, 246, 27, 245, 166, 147,
//141, 179, 246, 154, 208, 152, 196, 146, 42, 22, 194, 167, 178, 182, 215, 93, 191, 108, 126,
//82, 163, 163, 38, 229, 67, 187, 232, 241, 192, 15, 217, 24, 180, 133, 139, 47, 244, 147,
//136, 75, 114, 168, 184, 11, 4,
//];

fn main() {
    let env = envy::from_env::<Env>().expect("env fail");
    let cluster = str::parse::<anchor_client::Cluster>(&env.cluster).expect("bad cluster");
    let keypair = Keypair::from_base58_string(&env.admin_wallet);
    let privkey = ed25519_dalek::Keypair::from_bytes(&keypair.to_bytes()).unwrap();

    let message: [u8; 32] = [
        33, 223, 82, 242, 68, 22, 57, 121, 178, 245, 112, 226, 196, 129, 57, 76, 201, 213, 7, 99,
        237, 134, 23, 54, 145, 250, 21, 141, 151, 240, 203, 77,
    ];

    let instruction = solana_sdk::ed25519_instruction::new_ed25519_instruction(&privkey, &message);

    let client =
        anchor_client::solana_client::rpc_client::RpcClient::new(cluster.url().to_string());

    let recent_hash = client.get_latest_blockhash().unwrap();

    let tx = Transaction::new_signed_with_payer(
        &[instruction.clone()],
        Some(&keypair.pubkey()),
        &[&keypair],
        recent_hash,
    );

    let res = client
        //.send_and_confirm_transaction_with_spinner(
        .simulate_transaction(&tx);

    println!("{:?}", res);
}