RLN CLI basic (#163)

* new crate

* toml file

* lock file

* cli

* state

* commands

* main

* fmt

* reorgs

* redundunt

* fmt

Cargo.lock

@@ -48,6 +48,55 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "anstream"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ca84f3628370c59db74ee214b3263d58f9aadd9b4fe7e711fd87dc452b7f163"
+dependencies = [
+ "anstyle",
+ "anstyle-parse",
+ "anstyle-query",
+ "anstyle-wincon",
+ "colorchoice",
+ "is-terminal",
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41ed9a86bf92ae6580e0a31281f65a1b1d867c0cc68d5346e2ae128dddfa6a7d"
+
+[[package]]
+name = "anstyle-parse"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e765fd216e48e067936442276d1d57399e37bce53c264d6fefbe298080cb57ee"
+dependencies = [
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle-query"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5ca11d4be1bab0c8bc8734a9aa7bf4ee8316d462a08c6ac5052f888fef5b494b"
+dependencies = [
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "anstyle-wincon"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "180abfa45703aebe0093f79badacc01b8fd4ea2e35118747e5811127f926e188"
+dependencies = [
+ "anstyle",
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "ark-bn254"
 version = "0.3.0"
@@ -676,6 +725,49 @@ dependencies = [
  "unicode-width",
 ]
 
+[[package]]
+name = "clap"
+version = "4.2.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34d21f9bf1b425d2968943631ec91202fe5e837264063503708b83013f8fc938"
+dependencies = [
+ "clap_builder",
+ "clap_derive",
+ "once_cell",
+]
+
+[[package]]
+name = "clap_builder"
+version = "4.2.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "914c8c79fb560f238ef6429439a30023c862f7a28e688c58f7203f12b29970bd"
+dependencies = [
+ "anstream",
+ "anstyle",
+ "bitflags",
+ "clap_lex",
+ "once_cell",
+ "strsim",
+]
+
+[[package]]
+name = "clap_derive"
+version = "4.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f9644cd56d6b87dbe899ef8b053e331c0637664e9e21a33dfcdc36093f5c5c4"
+dependencies = [
+ "heck",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.16",
+]
+
+[[package]]
+name = "clap_lex"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a2dd5a6fe8c6e3502f568a6353e5273bbb15193ad9a89e457b9970798efbea1"
+
 [[package]]
 name = "color-eyre"
 version = "0.5.11"
@@ -730,6 +822,12 @@ dependencies = [
  "tracing-error 0.2.0",
 ]
 
+[[package]]
+name = "colorchoice"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
+
 [[package]]
 name = "console_error_panic_hook"
 version = "0.1.7"
@@ -933,7 +1031,7 @@ checksum = "b01d6de93b2b6c65e17c634a26653a29d107b3c98c607c765bf38d041531cd8f"
 dependencies = [
  "atty",
  "cast",
- "clap",
+ "clap 2.34.0",
  "criterion-plot",
  "csv",
  "itertools",
@@ -1674,6 +1772,18 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "is-terminal"
+version = "0.4.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "adcf93614601c8129ddf72e2d5633df827ba6551541c6d8c59520a371475be1f"
+dependencies = [
+ "hermit-abi 0.3.1",
+ "io-lifetimes",
+ "rustix",
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "itertools"
 version = "0.10.5"
@@ -2487,6 +2597,16 @@ dependencies = [
  "wasmer",
 ]
 
+[[package]]
+name = "rln-cli"
+version = "0.1.0"
+dependencies = [
+ "clap 4.2.7",
+ "clap_derive",
+ "color-eyre 0.6.2",
+ "rln",
+]
+
 [[package]]
 name = "rln-wasm"
 version = "0.0.9"
@@ -2910,6 +3030,12 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
+[[package]]
+name = "strsim"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
+
 [[package]]
 name = "strum"
 version = "0.24.1"
@@ -3219,6 +3345,12 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "utf8parse"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
+
 [[package]]
 name = "utils"
 version = "0.1.0"

Cargo.toml

@@ -4,6 +4,7 @@ members = [
   "private-settlement",
   "semaphore",
   "rln",
+  "rln-cli",
   "rln-wasm",
   "utils",
 ]

rln-cli/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "rln-cli"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+rln = { path = "../rln" }
+clap = { version = "4.2.7", features = ["cargo", "derive", "env"]}
+clap_derive = { version = "=4.2.0" }
+color-eyre = "=0.6.2"

rln-cli/src/commands.rs

@@ -0,0 +1,19 @@
+use std::path::PathBuf;
+
+use clap::Subcommand;
+
+#[derive(Subcommand)]
+pub(crate) enum Commands {
+    New {
+        tree_height: usize,
+        /// Sets a custom config file
+        #[arg(short, long)]
+        config: PathBuf,
+    },
+    NewWithParams {
+        tree_height: usize,
+        /// Sets a custom config file
+        #[arg(short, long)]
+        config: PathBuf,
+    },
+}

rln-cli/src/main.rs

@@ -0,0 +1,56 @@
+use std::{fs::File, io::Read, path::Path};
+
+use clap::Parser;
+use color_eyre::Result;
+use commands::Commands;
+use rln::public::RLN;
+use state::State;
+
+mod commands;
+mod state;
+
+#[derive(Parser)]
+#[command(author, version, about, long_about = None)]
+struct Cli {
+    #[command(subcommand)]
+    command: Option<Commands>,
+}
+
+fn main() -> Result<()> {
+    let cli = Cli::parse();
+
+    let mut state = State::default();
+
+    match &cli.command {
+        Some(Commands::New {
+            tree_height,
+            config,
+        }) => {
+            let resources = File::open(&config)?;
+            state.rln = Some(RLN::new(*tree_height, resources)?);
+            Ok(())
+        }
+        Some(Commands::NewWithParams {
+            tree_height,
+            config,
+        }) => {
+            let mut resources: Vec<Vec<u8>> = Vec::new();
+            for filename in ["rln.wasm", "rln_final.zkey", "verification_key.json"] {
+                let fullpath = config.join(Path::new(filename));
+                let mut file = File::open(&fullpath)?;
+                let metadata = std::fs::metadata(&fullpath)?;
+                let mut buffer = vec![0; metadata.len() as usize];
+                file.read_exact(&mut buffer)?;
+                resources.push(buffer);
+            }
+            state.rln = Some(RLN::new_with_params(
+                *tree_height,
+                resources[0].clone(),
+                resources[1].clone(),
+                resources[2].clone(),
+            )?);
+            Ok(())
+        }
+        None => Ok(()),
+    }
+}

rln-cli/src/state.rs

@@ -0,0 +1,6 @@
+use rln::public::RLN;
+
+#[derive(Default)]
+pub(crate) struct State<'a> {
+    pub rln: Option<RLN<'a>>,
+}