From 15d48a476436de8bf8b85737f18652a3f936b3ef Mon Sep 17 00:00:00 2001
From: Evgeny Fomin <fominok@hotmail.com>
Date: Mon, 15 Jul 2024 16:57:09 +0200
Subject: [PATCH] use prebuilt grovedbg

---
 README.md          |  4 ----
 grovedb/Cargo.toml |  4 +++-
 grovedb/build.rs   | 49 ++++++++++++++++++++++------------------------
 3 files changed, 26 insertions(+), 31 deletions(-)

diff --git a/README.md b/README.md
index 4d66f7f9..d55137b1 100644
--- a/README.md
+++ b/README.md
@@ -237,10 +237,6 @@ From here we can build:
 There is a work in progress implementation of a debugger layer for GroveDB. To use this library with
 these capabilities enabled one needs to set a dependency with `grovedbg` feature.
 
-At build time this requires two environment dependencies:
-1. `wasm32-unknown-unknown` Rust toolchain;
-2. [trunk](https://trunkrs.dev/) utility.
-
 Then, to launch visualizer tool to observe the database structure inside of your browser on a port,
 let's say 10000, the following snippet should do:
 
diff --git a/grovedb/Cargo.toml b/grovedb/Cargo.toml
index b8601b15..0b871cf2 100644
--- a/grovedb/Cargo.toml
+++ b/grovedb/Cargo.toml
@@ -82,4 +82,6 @@ grovedbg = [
 ]
 
 [build-dependencies]
-zip-extensions = "0.6.2"
+hex-literal = "0.4.1"
+reqwest = { version = "0.12.5", features = ["blocking"] }
+sha2 = "0.10.8"
diff --git a/grovedb/build.rs b/grovedb/build.rs
index cbdc11ac..75d08154 100644
--- a/grovedb/build.rs
+++ b/grovedb/build.rs
@@ -1,36 +1,33 @@
 #[cfg(feature = "grovedbg")]
 fn main() {
-    use std::{
-        env,
-        path::PathBuf,
-        process::{Command, ExitStatus, Output},
-    };
+    use std::{env, fs::File, io::Cursor, path::PathBuf};
+
+    use hex_literal::hex;
+    use sha2::{digest::FixedOutput, Digest, Sha256};
+
+    const GROVEDBG_SHA256: [u8; 32] =
+        hex!("206d865949e7f12b843c342cea3b172d4c78d4eb754b80d272164d59f62a2276");
+    const GROVEDBG_VERSION: &str = "v1.0.0-rc.3";
 
     let out_dir = PathBuf::from(&env::var_os("OUT_DIR").unwrap());
+    let grovedbg_zip_path = out_dir.join("grovedbg.zip");
+
+    if !grovedbg_zip_path.exists() {
+        let response = reqwest::blocking::get(&format!("https://github.com/dashpay/grovedbg/releases/download/{GROVEDBG_VERSION}/grovedbg-{GROVEDBG_VERSION}.zip"))
+        .expect("can't download GroveDBG artifact");
 
-    let Output {
-        status,
-        stdout,
-        stderr,
-    } = Command::new("trunk")
-        .arg("build")
-        .arg("--release")
-        .arg("--dist")
-        .arg(&out_dir)
-        .arg("grovedbg/index.html")
-        .output()
-        .expect("cannot start trunk process");
-
-    if !status.success() {
-        let stdout_msg = String::from_utf8_lossy(&stdout);
-        let stderr_msg = String::from_utf8_lossy(&stderr);
-        let bindgen_version = env::var_os("TRUNK_TOOLS_WASM_BINDGEN").unwrap_or_default();
-        panic!("Error running `trunk build --release`\nbindgen version:{bindgen_version:?}\n{stdout_msg}\n{stderr_msg}");
+        let mut grovedbg_zip = File::create(&grovedbg_zip_path).unwrap();
+        let mut content = Cursor::new(response.bytes().unwrap());
+        std::io::copy(&mut content, &mut grovedbg_zip).unwrap();
     }
 
-    let zip_file = out_dir.join("grovedbg.zip");
-    zip_extensions::write::zip_create_from_directory(&zip_file, &out_dir)
-        .expect("can't create a grovedbg zip archive");
+    let mut grovedbg_zip = File::open(&grovedbg_zip_path).unwrap();
+
+    let mut sha256 = Sha256::new();
+    std::io::copy(&mut grovedbg_zip, &mut sha256).unwrap();
+    let hash = sha256.finalize_fixed();
+
+    assert_eq!(hash.as_slice(), GROVEDBG_SHA256);
 }
 
 #[cfg(not(feature = "grovedbg"))]