89 lines
2.5 KiB
Rust
89 lines
2.5 KiB
Rust
use std::{ thread, sync::{ Arc, Mutex } };
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use rand::rngs::OsRng;
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use secp256k1::{ Secp256k1, key::PublicKey };
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use sha2::Sha256;
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use ripemd160::Ripemd160;
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use digest::{ Input, FixedOutput };
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const PREFIX: &[&str] = &["1Hatter"];
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fn main() {
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println!("Prefix: {:?}", PREFIX);
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let num_of_vcpus = num_cpus::get();
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let num_of_phycpus = num_cpus::get_physical();
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println!("You have {} vCPUs, from {} phyCPUs", num_of_vcpus, num_of_phycpus);
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let stop_flag = Arc::new(Mutex::new(false));
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let mut handles = vec![];
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for ind in 0..num_of_phycpus {
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println!("- Running task {} of {}", ind, num_of_phycpus);
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let the_stop_flag = Arc::clone(&stop_flag);
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let child = thread::spawn(move || {
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run_one_task(ind, the_stop_flag);
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});
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handles.push(child);
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}
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while let Some(h) = handles.pop() {
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h.join().unwrap();
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}
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println!("Finished!");
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}
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fn run_one_task(ind: usize, the_stop_flag: Arc<Mutex<bool>>) {
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let secp = Secp256k1::new();
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let mut rng = OsRng::new().expect("OsRng");
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for i in 0..10_000_000 {
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let (secret_key, public_key) = secp.generate_keypair(&mut rng);
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let s = make_btc_address(&public_key);
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if i % 1_000 == 0 {
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if *the_stop_flag.lock().unwrap() {
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return;
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}
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if i > 0 && i % 100_000 == 0 {
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println!("> {} - {}", ind, i);
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}
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}
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if PREFIX.iter().any(|p| s.starts_with(p)) {
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println!("{}", s);
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println!("{}", secret_key);
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*the_stop_flag.lock().unwrap() = true;
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break;
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}
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}
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}
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fn make_btc_address(public_key: &PublicKey) -> String {
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let public_key_bytes = public_key.serialize_uncompressed().to_vec();
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let riphemd160_sha256_pub_key = calc_ripemd160(&calc_sha256(&public_key_bytes));
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let mut btc_addr = Vec::<u8>::with_capacity(25);
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btc_addr.push(0x00 as u8);
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btc_addr.extend_from_slice(&riphemd160_sha256_pub_key);
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let checksum = &calc_sha256(&calc_sha256(&btc_addr))[0..4];
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btc_addr.extend_from_slice(checksum);
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bs58::encode(&btc_addr).into_string()
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}
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#[inline]
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fn calc_sha256(i: &[u8]) -> Vec<u8> {
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calc_hash(Sha256::default(), i)
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}
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#[inline]
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fn calc_ripemd160(i: &[u8]) -> Vec<u8> {
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calc_hash(Ripemd160::default(), i)
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}
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#[inline]
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fn calc_hash<T>(mut hasher: T, i: &[u8]) -> Vec<u8> where T: Input + FixedOutput {
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hasher.input(&i);
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hasher.fixed_result().to_vec()
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}
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