npub1xu…g43rm on Nostr: /// deterministic nostr event build example // deterministic nostr event build ...

/// deterministic nostr event build example
// deterministic nostr event build example
use get_file_hash_core::get_file_hash;
#[cfg(all(not(debug_assertions), feature = "nostr"))]
use get_file_hash_core::{get_git_tracked_files, DEFAULT_GNOSTR_KEY, DEFAULT_PICTURE_URL, DEFAULT_BANNER_URL, publish_nostr_event_if_release, get_repo_announcement_event};
#[cfg(all(not(debug_assertions), feature = "nostr"))]
use nostr_sdk::{EventBuilder, Keys, Tag, SecretKey};
#[cfg(all(not(debug_assertions), feature = "nostr"))]
use std::fs;

use std::path::PathBuf;
use sha2::{Digest, Sha256};
#[cfg(all(not(debug_assertions), feature = "nostr"))]
use ::hex;

#[tokio::main]
async fn main() {
let manifest_dir = std::env::var("CARGO_MANIFEST_DIR").unwrap();
let is_git_repo = std::path::Path::new(&manifest_dir).join(".git").exists();
#[cfg(all(not(debug_assertions), feature = "nostr"))]
#[allow(unused_mut)]
let mut git_branch_str = String::new();

println!("cargo:rustc-env=CARGO_PKG_NAME={}", env!("CARGO_PKG_NAME"));
println!("cargo:rustc-env=CARGO_PKG_VERSION={}", env!("CARGO_PKG_VERSION"));

if is_git_repo {
let git_commit_hash_output = std::process::Command::new("git")
.args(&["rev-parse", "HEAD"])
.stdout(std::process::Stdio::piped())
.stderr(std::process::Stdio::piped())
.output()
.expect("Failed to execute git command for commit hash");

let git_commit_hash_str = if git_commit_hash_output.status.success() && !git_commit_hash_output.stdout.is_empty() {
String::from_utf8(git_commit_hash_output.stdout).unwrap().trim().to_string()
} else {
println!("cargo:warning=Git commit hash command failed or returned empty. Status: {:?}, Stderr: {}",
git_commit_hash_output.status, String::from_utf8_lossy(&git_commit_hash_output.stderr));
String::new()
};
println!("cargo:rustc-env=GIT_COMMIT_HASH={}", git_commit_hash_str);

let git_branch_output = std::process::Command::new("git")
.args(&["rev-parse", "--abbrev-ref", "HEAD"])
.stdout(std::process::Stdio::piped())
.stderr(std::process::Stdio::piped())
.output()
.expect("Failed to execute git command for branch name");

let git_branch_str = if git_branch_output.status.success() && !git_branch_output.stdout.is_empty() {
String::from_utf8(git_branch_output.stdout).unwrap().trim().to_string()
} else {
println!("cargo:warning=Git branch command failed or returned empty. Status: {:?}, Stderr: {}",
git_branch_output.status, String::from_utf8_lossy(&git_branch_output.stderr));
String::new()
};
println!("cargo:rustc-env=GIT_BRANCH={}", git_branch_str);
} else {
println!("cargo:rustc-env=GIT_COMMIT_HASH=");
println!("cargo:rustc-env=GIT_BRANCH=");
}

println!("cargo:rerun-if-changed=.git/HEAD");

//#[cfg(all(not(debug_assertions), feature = "nostr"))]
//let relay_urls = get_file_hash_core::get_relay_urls();

let cargo_toml_hash = get_file_hash!("Cargo.toml");
println!("cargo:rustc-env=CARGO_TOML_HASH={}", cargo_toml_hash);

let lib_hash = get_file_hash!("src/lib.rs");
println!("cargo:rustc-env=LIB_HASH={}", lib_hash);

let build_hash = get_file_hash!("build.rs");
println!("cargo:rustc-env=BUILD_HASH={}", build_hash);

println!("cargo:rerun-if-changed=Cargo.toml");
println!("cargo:rerun-if-changed=src/lib.rs");
println!("cargo:rerun-if-changed=build.rs");
let online_relays_csv_path = PathBuf::from(&manifest_dir).join("src/get_file_hash_core/src/online_relays_gps.csv");
if online_relays_csv_path.exists() {
println!("cargo:rerun-if-changed={}", online_relays_csv_path.to_str().unwrap());
}

#[cfg(all(not(debug_assertions), feature = "nostr"))]
if cfg!(not(debug_assertions)) {
println!("cargo:warning=Nostr feature enabled: Build may take longer due to network operations (publishing events to relays).");

// This code only runs in release builds
let package_version = std::env::var("CARGO_PKG_VERSION").unwrap();

let output_dir = PathBuf::from(format!(".gnostr/build/{}", package_version));
if let Err(e) = fs::create_dir_all(&output_dir) {
println!("cargo:warning=Failed to create output directory {}: {}", output_dir.display(), e);
}

let files_to_publish: Vec<String> = get_git_tracked_files(&PathBuf::from(&manifest_dir));

let git_commit_hash_output = std::process::Command::new("git")
.args(&["rev-parse", "HEAD"])
.stdout(std::process::Stdio::piped())
.stderr(std::process::Stdio::piped())
.output()
.expect("Failed to execute git command for commit hash");

let git_commit_hash_str = if git_commit_hash_output.status.success() && !git_commit_hash_output.stdout.is_empty() {
String::from_utf8(git_commit_hash_output.stdout).unwrap().trim().to_string()
} else {
println!("cargo:warning=Git commit hash command failed or returned empty. Status: {:?}, Stderr: {}",
git_commit_hash_output.status, String::from_utf8_lossy(&git_commit_hash_output.stderr));
String::new()
};
println!("cargo:rustc-env=GIT_COMMIT_HASH={}", git_commit_hash_str);
// Create padded_commit_hash
let padded_commit_hash = format!("{:0>64}", &git_commit_hash_str);
println!("cargo:rustc-env=PADDED_COMMIT_HASH={}", padded_commit_hash);
// Initialize client and keys once
let initial_secret_key = SecretKey::parse(&padded_commit_hash).expect("Failed to create Nostr SecretKey from PADDED_COMMIT_HASH");
let initial_keys = Keys::new(initial_secret_key);
let mut client = nostr_sdk::Client::new(initial_keys.clone());
let mut relay_urls = get_file_hash_core::get_relay_urls();

// Add relays to the client
for relay_url in relay_urls.iter() {
if let Err(e) = client.add_relay(relay_url).await {
println!("cargo:warning=Failed to add relay {}: {}", relay_url, e);
}
}
client.connect().await;
println!("cargo:warning=Added and connected to {} relays.", relay_urls.len());

let mut published_event_ids: Vec<Tag> = Vec::new();
let mut total_bytes_sent: usize = 0;

for file_path_str in &files_to_publish {
println!("cargo:warning=Processing file: {}", file_path_str);
match fs::read(file_path_str) {
Ok(bytes) => {
let mut hasher = Sha256::new();
hasher.update(&bytes);
let result = hasher.finalize();
let file_hash_hex = hex::encode(result);

match SecretKey::from_hex(&file_hash_hex.clone()) {
Ok(secret_key) => {
let keys = Keys::new(secret_key);
let content = String::from_utf8_lossy(&bytes).into_owned();
let tags = vec![
Tag::parse(["file", file_path_str].iter().map(ToString::to_string).collect::<Vec<String>>()).unwrap(),
Tag::parse(["version", &package_version].iter().map(ToString::to_string).collect::<Vec<String>>()).unwrap(),
];
let event_builder = EventBuilder::text_note(content).tags(tags);

if let Some(event_id) = publish_nostr_event_if_release(&mut client, file_hash_hex, keys.clone(), event_builder, &mut relay_urls, file_path_str, &output_dir, &mut total_bytes_sent).await {
published_event_ids.push(Tag::event(event_id));
}

// Publish metadata event
get_file_hash_core::publish_metadata_event(
&keys,
&relay_urls,
DEFAULT_PICTURE_URL,
DEFAULT_BANNER_URL,
file_path_str,
).await;
}
Err(e) => {
println!("cargo:warning=Failed to derive Nostr secret key for {}: {}", file_path_str, e);
}
}
}
Err(e) => {
println!("cargo:warning=Failed to read file {}: {}", file_path_str, e);
}
}
}

// Create and publish the build_manifest
if !published_event_ids.is_empty() {

//TODO this will be either the default or detected from env vars PRIVATE_KEY
let keys = Keys::new(SecretKey::from_hex(DEFAULT_GNOSTR_KEY).expect("Failed to create Nostr keys from DEFAULT_GNOSTR_KEY"));
let cloned_keys = keys.clone();
let content = format!("Build manifest for get_file_hash v{}", package_version);
let mut tags = vec![
Tag::parse(["build_manifest", &package_version].iter().map(ToString::to_string).collect::<Vec<String>>()).unwrap(),
Tag::parse(["build_manifest", &package_version].iter().map(ToString::to_string).collect::<Vec<String>>()).unwrap(),
Tag::parse(["build_manifest", &package_version].iter().map(ToString::to_string).collect::<Vec<String>>()).unwrap(),
Tag::parse(["build_manifest", &package_version].iter().map(ToString::to_string).collect::<Vec<String>>()).unwrap(),
];
tags.extend(published_event_ids);

let event_builder = EventBuilder::text_note(content.clone()).tags(tags);

if let Some(event_id) = publish_nostr_event_if_release(
&mut client,
hex::encode(Sha256::digest(content.as_bytes())),
keys,
event_builder,
&mut relay_urls,
"build_manifest.json",
&output_dir,
&mut total_bytes_sent,
).await {

let build_manifest_event_id = Some(event_id);

// Publish metadata event for the build manifest
get_file_hash_core::publish_metadata_event(
&cloned_keys, // Use reference to cloned keys here
&relay_urls,
DEFAULT_PICTURE_URL,
DEFAULT_BANNER_URL,
&format!("build_manifest:{}", package_version),
).await;
let git_commit_hash = &git_commit_hash_str;
let git_branch = &git_branch_str;
let repo_url = std::env::var("CARGO_PKG_REPOSITORY").unwrap();
let repo_name = std::env::var("CARGO_PKG_NAME").unwrap();
let repo_description = std::env::var("CARGO_PKG_DESCRIPTION").unwrap();

let output_dir = PathBuf::from(format!(".gnostr/build/{}", package_version));
if let Err(e) = fs::create_dir_all(&output_dir) {
println!("cargo:warning=Failed to create output directory {}: {}", output_dir.display(), e);
}

let announcement_keys = Keys::new(SecretKey::from_hex(build_manifest_event_id.unwrap().to_hex().as_str()).expect("Failed to create Nostr keys from build_manifest_event_id"));
let announcement_pubkey_hex = announcement_keys.public_key().to_string();

// Publish NIP-34 Repository Announcement
if let Some(_event_id) = get_repo_announcement_event(
&mut client,
&announcement_keys,
&relay_urls,
&repo_url,
&repo_name,
&repo_description,
&git_commit_hash,
&git_branch,
&output_dir,
&announcement_pubkey_hex
).await {
// Successfully published announcement
}
}
}
println!("cargo:warning=Total bytes sent to Nostr relays: {} bytes ({} MB)", total_bytes_sent, total_bytes_sent as f64 / 1024.0 / 1024.0);
}
}
// deterministic nostr event build example