Lukas/carrotcoin
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Implement the mining software

Browse Source
This commit is contained in:
Lukas Fürderer
2024-03-24 13:09:29 +01:00
parent 2f3216a0c4
commit 825b07bc11
7 changed files with 608 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
miner/.gitignore vendored Normal file
View File

@@ -0,0 +1 @@
/target

385
miner/Cargo.lock generated Normal file
View File

@@ -0,0 +1,385 @@
# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
version = 3
[[package]]
name = "anstream"
version = "0.6.13"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d96bd03f33fe50a863e394ee9718a706f988b9079b20c3784fb726e7678b62fb"
dependencies = [
"anstyle",
"anstyle-parse",
"anstyle-query",
"anstyle-wincon",
"colorchoice",
"utf8parse",
]
[[package]]
name = "anstyle"
version = "1.0.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8901269c6307e8d93993578286ac0edf7f195079ffff5ebdeea6a59ffb7e36bc"
[[package]]
name = "anstyle-parse"
version = "0.2.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c75ac65da39e5fe5ab759307499ddad880d724eed2f6ce5b5e8a26f4f387928c"
dependencies = [
"utf8parse",
]
[[package]]
name = "anstyle-query"
version = "1.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e28923312444cdd728e4738b3f9c9cac739500909bb3d3c94b43551b16517648"
dependencies = [
"windows-sys",
]
[[package]]
name = "anstyle-wincon"
version = "3.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1cd54b81ec8d6180e24654d0b371ad22fc3dd083b6ff8ba325b72e00c87660a7"
dependencies = [
"anstyle",
"windows-sys",
]
[[package]]
name = "base64"
version = "0.22.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9475866fec1451be56a3c2400fd081ff546538961565ccb5b7142cbd22bc7a51"
[[package]]
name = "block-buffer"
version = "0.10.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
dependencies = [
"generic-array",
]
[[package]]
name = "carrotcoin_miner"
version = "0.1.0"
dependencies = [
"base64",
"clap",
"num_cpus",
"rand",
"sha2",
]
[[package]]
name = "cfg-if"
version = "1.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
[[package]]
name = "clap"
version = "4.5.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "949626d00e063efc93b6dca932419ceb5432f99769911c0b995f7e884c778813"
dependencies = [
"clap_builder",
"clap_derive",
]
[[package]]
name = "clap_builder"
version = "4.5.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ae129e2e766ae0ec03484e609954119f123cc1fe650337e155d03b022f24f7b4"
dependencies = [
"anstream",
"anstyle",
"clap_lex",
"strsim",
]
[[package]]
name = "clap_derive"
version = "4.5.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "90239a040c80f5e14809ca132ddc4176ab33d5e17e49691793296e3fcb34d72f"
dependencies = [
"heck",
"proc-macro2",
"quote",
"syn",
]
[[package]]
name = "clap_lex"
version = "0.7.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "98cc8fbded0c607b7ba9dd60cd98df59af97e84d24e49c8557331cfc26d301ce"
[[package]]
name = "colorchoice"
version = "1.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
[[package]]
name = "cpufeatures"
version = "0.2.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "53fe5e26ff1b7aef8bca9c6080520cfb8d9333c7568e1829cef191a9723e5504"
dependencies = [
"libc",
]
[[package]]
name = "crypto-common"
version = "0.1.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
dependencies = [
"generic-array",
"typenum",
]
[[package]]
name = "digest"
version = "0.10.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
dependencies = [
"block-buffer",
"crypto-common",
]
[[package]]
name = "generic-array"
version = "0.14.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
dependencies = [
"typenum",
"version_check",
]
[[package]]
name = "getrandom"
version = "0.2.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "190092ea657667030ac6a35e305e62fc4dd69fd98ac98631e5d3a2b1575a12b5"
dependencies = [
"cfg-if",
"libc",
"wasi",
]
[[package]]
name = "heck"
version = "0.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
[[package]]
name = "hermit-abi"
version = "0.3.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d231dfb89cfffdbc30e7fc41579ed6066ad03abda9e567ccafae602b97ec5024"
[[package]]
name = "libc"
version = "0.2.153"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9c198f91728a82281a64e1f4f9eeb25d82cb32a5de251c6bd1b5154d63a8e7bd"
[[package]]
name = "num_cpus"
version = "1.16.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4161fcb6d602d4d2081af7c3a45852d875a03dd337a6bfdd6e06407b61342a43"
dependencies = [
"hermit-abi",
"libc",
]
[[package]]
name = "ppv-lite86"
version = "0.2.17"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
[[package]]
name = "proc-macro2"
version = "1.0.79"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e835ff2298f5721608eb1a980ecaee1aef2c132bf95ecc026a11b7bf3c01c02e"
dependencies = [
"unicode-ident",
]
[[package]]
name = "quote"
version = "1.0.35"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "291ec9ab5efd934aaf503a6466c5d5251535d108ee747472c3977cc5acc868ef"
dependencies = [
"proc-macro2",
]
[[package]]
name = "rand"
version = "0.8.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
dependencies = [
"libc",
"rand_chacha",
"rand_core",
]
[[package]]
name = "rand_chacha"
version = "0.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
dependencies = [
"ppv-lite86",
"rand_core",
]
[[package]]
name = "rand_core"
version = "0.6.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
dependencies = [
"getrandom",
]
[[package]]
name = "sha2"
version = "0.10.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
dependencies = [
"cfg-if",
"cpufeatures",
"digest",
]
[[package]]
name = "strsim"
version = "0.11.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5ee073c9e4cd00e28217186dbe12796d692868f432bf2e97ee73bed0c56dfa01"
[[package]]
name = "syn"
version = "2.0.55"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "002a1b3dbf967edfafc32655d0f377ab0bb7b994aa1d32c8cc7e9b8bf3ebb8f0"
dependencies = [
"proc-macro2",
"quote",
"unicode-ident",
]
[[package]]
name = "typenum"
version = "1.17.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "42ff0bf0c66b8238c6f3b578df37d0b7848e55df8577b3f74f92a69acceeb825"
[[package]]
name = "unicode-ident"
version = "1.0.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
[[package]]
name = "utf8parse"
version = "0.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
[[package]]
name = "version_check"
version = "0.9.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
[[package]]
name = "wasi"
version = "0.11.0+wasi-snapshot-preview1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
[[package]]
name = "windows-sys"
version = "0.52.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
dependencies = [
"windows-targets",
]
[[package]]
name = "windows-targets"
version = "0.52.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7dd37b7e5ab9018759f893a1952c9420d060016fc19a472b4bb20d1bdd694d1b"
dependencies = [
"windows_aarch64_gnullvm",
"windows_aarch64_msvc",
"windows_i686_gnu",
"windows_i686_msvc",
"windows_x86_64_gnu",
"windows_x86_64_gnullvm",
"windows_x86_64_msvc",
]
[[package]]
name = "windows_aarch64_gnullvm"
version = "0.52.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bcf46cf4c365c6f2d1cc93ce535f2c8b244591df96ceee75d8e83deb70a9cac9"
[[package]]
name = "windows_aarch64_msvc"
version = "0.52.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "da9f259dd3bcf6990b55bffd094c4f7235817ba4ceebde8e6d11cd0c5633b675"
[[package]]
name = "windows_i686_gnu"
version = "0.52.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b474d8268f99e0995f25b9f095bc7434632601028cf86590aea5c8a5cb7801d3"
[[package]]
name = "windows_i686_msvc"
version = "0.52.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1515e9a29e5bed743cb4415a9ecf5dfca648ce85ee42e15873c3cd8610ff8e02"
[[package]]
name = "windows_x86_64_gnu"
version = "0.52.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5eee091590e89cc02ad514ffe3ead9eb6b660aedca2183455434b93546371a03"
[[package]]
name = "windows_x86_64_gnullvm"
version = "0.52.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "77ca79f2451b49fa9e2af39f0747fe999fcda4f5e241b2898624dca97a1f2177"
[[package]]
name = "windows_x86_64_msvc"
version = "0.52.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "32b752e52a2da0ddfbdbcc6fceadfeede4c939ed16d13e648833a61dfb611ed8"

13
miner/Cargo.toml Normal file
View File

@@ -0,0 +1,13 @@
[package]
name = "carrotcoin_miner"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
base64 = "0.22.0"
clap = { version = "4.5.3", features = ["derive"] }
num_cpus = "1.16.0"
rand = "0.8.5"
sha2 = "0.10.8"

198
miner/src/main.rs Normal file
View File

@@ -0,0 +1,198 @@
use base64::prelude::*;
use clap::Parser;
use rand::Rng;
use sha2::Digest;
use sha2::Sha256;
use std::io::ErrorKind;
use std::net::Ipv6Addr;
use std::net::UdpSocket;
use std::sync::mpsc;
use std::sync::mpsc::TryRecvError;
use std::sync::Arc;
use std::sync::Mutex;
use std::thread;
use std::time::Duration;
use std::time::Instant;
/// Carrotcoin miner
#[derive(Parser)]
struct Args {
/// Wallet address for the mining reward
#[arg(short, long)]
wallet: String,
/// Message to encode in each block (maximum 32 bytes)
#[arg(short, long)]
message: Option<String>,
/// Number of threads to start
#[arg(short, long)]
thread_count: Option<usize>,
}
struct Task {
prefix: Vec<u8>,
threshold: [u8; 32],
work_counter: usize,
}
fn run_mining_worker(task: Arc<Mutex<Task>>, results: mpsc::Sender<Vec<u8>>) {
let mut rng = rand::thread_rng();
loop {
let mut hasher = Sha256::new();
let mut lock_guard = task.lock().unwrap();
let prefix = lock_guard.prefix.clone();
hasher.update(&prefix);
let threshold = lock_guard.threshold.clone();
lock_guard.work_counter += 1;
drop(lock_guard);
let start = rng.gen_range(0..((1u64 << 50) - 1)) << 14;
for nonce in start..(start + (1 << 14)) {
let mut hasher_cloned = hasher.clone();
let nonce_bytes = nonce.to_be_bytes();
hasher_cloned.update(nonce_bytes);
let result_hash: [u8; 32] = hasher_cloned.finalize().into();
if result_hash[0] == 0 && result_hash <= threshold {
let mut block = Vec::with_capacity(292);
block.extend_from_slice(&prefix);
block.extend_from_slice(&nonce_bytes);
results.send(block).unwrap();
}
}
}
}
fn start_threads(task: &Arc<Mutex<Task>>, results: &mpsc::Sender<Vec<u8>>, thread_count: usize) {
for _ in 0..thread_count {
let task_cloned = task.clone();
let results_cloned = results.clone();
thread::spawn(|| run_mining_worker(task_cloned, results_cloned));
}
}
fn build_message(message_string: &str) -> Option<Vec<u8>> {
let message_bytes = message_string.as_bytes();
if message_bytes.len() > 32 {
return None;
}
let mut message_buffer = Vec::with_capacity(32);
message_buffer.extend_from_slice(&message_bytes);
message_buffer.resize(32, 0);
Some(message_buffer)
}
fn show_statistics(duration: Duration, work_counter: usize, threshold: &[u8]) {
let duration_seconds = duration.as_secs_f64();
let mut hash_numeric = 0f64;
for byte_value in threshold {
hash_numeric = hash_numeric * 256.0 + f64::from(*byte_value);
}
let difficulty = 2.0f64.powi(256) / hash_numeric;
let relative_difficulty = difficulty / 2.0f64.powi(28);
let hashrate = (work_counter as f64) / duration_seconds * 2.0f64.powi(14);
let hashrate_mhs = hashrate / 1e6;
let expected_reward = hashrate * 3600f64 / difficulty;
println!("difficulty: {relative_difficulty:.02}; hashrate: {hashrate_mhs:.02} Mh/s; expected reward: {expected_reward:.04} cc / hour");
}
fn main() {
let args = Args::parse();
let public_key = match BASE64_STANDARD.decode(args.wallet) {
Ok(key_bytes) if key_bytes.len() == 32 => key_bytes,
Ok(_) => {
eprintln!("The wallet address is not exactly 32 bytes, so it is invalid.");
return;
}
Err(_) => {
eprintln!("Failed to base64-decode the wallet address.");
return;
}
};
let message = match build_message(args.message.as_deref().unwrap_or("")) {
Some(message) => message,
None => {
eprintln!("The provided block message ist too long. Must be at most 32 bytes.");
return;
}
};
let thread_count = args.thread_count.unwrap_or_else(num_cpus::get);
let mut last_statistic_time = Instant::now();
let mut statistic_output_delay = Duration::from_secs(5);
let socket = UdpSocket::bind((Ipv6Addr::UNSPECIFIED, 0)).unwrap();
let mut threads_started = false;
socket.connect((Ipv6Addr::LOCALHOST, 62039)).unwrap();
socket.set_nonblocking(true).unwrap();
let task = Arc::new(Mutex::new(Task {
prefix: Vec::new(),
threshold: [0u8; 32],
work_counter: 0,
}));
let (results_tx, results_rx) = mpsc::channel();
let mut request = vec![0u8; 257];
request[4] = 7;
loop {
let mut recv_buffer = vec![0u8; 512];
loop {
match socket.recv(&mut recv_buffer) {
Ok(size) => {
if size == 257 && &recv_buffer[0..5] == &[0, 0, 0, 0, 8] {
let transaction = &recv_buffer[5..153];
let previous_hash = &recv_buffer[153..185];
let timestamp = &recv_buffer[185..193];
let difficulty_sum = &recv_buffer[193..225];
let threshold = &recv_buffer[225..257];
let mut prefix = Vec::with_capacity(292);
prefix.extend_from_slice(transaction);
prefix.extend_from_slice(&message);
prefix.extend_from_slice(&public_key);
prefix.extend_from_slice(previous_hash);
prefix.extend_from_slice(timestamp);
prefix.extend_from_slice(difficulty_sum);
let mut lock = task.lock().unwrap();
lock.prefix = prefix;
lock.threshold = threshold.try_into().unwrap();
let current_time = Instant::now();
let duration = current_time - last_statistic_time;
if duration >= statistic_output_delay {
show_statistics(duration, lock.work_counter, threshold);
last_statistic_time = current_time;
lock.work_counter = 0;
statistic_output_delay = Duration::from_secs(60);
}
if !threads_started {
start_threads(&task, &results_tx, thread_count);
threads_started = true;
}
}
}
Err(e) => {
if e.kind() == ErrorKind::WouldBlock {
break;
} else if e.kind() == ErrorKind::ConnectionRefused {
eprintln!("Node is not running locally!");
return;
} else {
panic!("{e}");
}
}
}
}
socket.send(&request).unwrap();
std::thread::sleep(std::time::Duration::from_secs(1));
let mined_block = match results_rx.try_recv() {
Ok(block) => Some(block),
Err(e) if e == TryRecvError::Empty => None,
Err(e) => panic!("{e}"),
};
if let Some(block) = mined_block {
let mut block_transfer = Vec::with_capacity(297);
block_transfer.extend_from_slice(b"\0\0\0\0\x02");
block_transfer.extend_from_slice(&block);
socket.send(&block_transfer).unwrap();
println!("I found a carrot! \u{1f955}");
}
}
}