initialize geth via the standard json

Signed-off-by: xermicus <bigcyrill@hotmail.com>

Cargo.lock

@@ -1441,7 +1441,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "33d852cb9b869c2a9b3df2f71a3074817f01e1844f839a144f5fcef059a4eb5d"
 dependencies = [
  "libc",
- "windows-sys 0.52.0",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -2862,16 +2862,23 @@ dependencies = [
  "serde_json",
 ]
 
+[[package]]
+name = "revive-dt-config"
+version = "0.1.0"
+dependencies = [
+ "clap",
+]
+
 [[package]]
 name = "revive-dt-core"
 version = "0.1.0"
 dependencies = [
  "anyhow",
- "clap",
  "env_logger",
  "log",
  "rayon",
  "revive-dt-compiler",
+ "revive-dt-config",
  "revive-dt-format",
  "revive-solc-json-interface",
  "semver 1.0.26",
@@ -2897,6 +2904,9 @@ version = "0.1.0"
 dependencies = [
  "alloy",
  "anyhow",
+ "revive-dt-config",
+ "revive-dt-node-interaction",
+ "serde_json",
 ]
 
 [[package]]
@@ -2908,7 +2918,6 @@ dependencies = [
  "hex",
  "log",
  "once_cell",
- "revive-dt-node",
  "serde_json",
  "tokio",
 ]
@@ -3051,7 +3060,7 @@ dependencies = [
  "errno",
  "libc",
  "linux-raw-sys",
- "windows-sys 0.52.0",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -3392,7 +3401,7 @@ dependencies = [
  "cfg-if",
  "libc",
  "psm",
- "windows-sys 0.52.0",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -3526,7 +3535,7 @@ dependencies = [
  "getrandom 0.3.2",
  "once_cell",
  "rustix",
- "windows-sys 0.52.0",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]

Cargo.toml

@@ -14,6 +14,7 @@ rust-version = "1.85.0"
 
 [workspace.dependencies]
 revive-dt-compiler = { version = "0.1.0", path = "crates/compiler" }
+revive-dt-config = { version = "0.1.0", path = "crates/config" }
 revive-dt-core = { version = "0.1.0", path = "crates/core" }
 revive-dt-format = { version = "0.1.0", path = "crates/format" }
 revive-dt-node = { version = "0.1.0", path = "crates/node" }
@@ -43,13 +44,13 @@ revive-differential = { git = "https://github.com/paritytech/revive", rev = "497
 version = "0.12.6"
 default-features = false
 features = [
-    "providers",
-    "rpc-types",
     "json-abi",
-    "reqwest",
-    "std",
     "genesis",
-    "provider-debug-api"
+    "providers",
+    "provider-debug-api",
+    "reqwest",
+    "rpc-types",
+    "std",
 ]
 
 [profile.bench]

crates/config/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "revive-dt-config"
+description = "global configuration for the revive differential tester"
+version.workspace = true
+authors.workspace = true
+license.workspace = true
+edition.workspace = true
+repository.workspace = true
+rust-version.workspace = true
+
+[dependencies]
+clap = { workspace = true }

crates/config/src/lib.rs

@@ -0,0 +1,39 @@
+//! The global configuration used accross all revive differential testing crates.
+
+use std::{path::PathBuf, sync::OnceLock};
+
+use clap::Parser;
+
+static ARGUMENTS: OnceLock<Arguments> = OnceLock::new();
+
+/// Get the command line arguments.
+pub fn get_args() -> &'static Arguments {
+    ARGUMENTS.get_or_init(Arguments::parse)
+}
+
+#[derive(Debug, Parser, Clone)]
+#[command(
+    name = "revive compiler differential tester utility",
+    arg_required_else_help = true
+)]
+pub struct Arguments {
+    /// The path to the `resolc` executable to be tested.
+    ///
+    /// By default it uses the `resolc` binary found in `$PATH`.
+    #[arg(long = "resolc", short, default_value = "resolc")]
+    pub resolc: PathBuf,
+
+    /// A list of test corpus JSON files to be tested.
+    #[arg(long = "corpus", short)]
+    pub corpus: Vec<PathBuf>,
+
+    /// A place to store temporary artifacts during test execution.
+    #[arg(long = "workdir", short)]
+    pub working_directory: PathBuf,
+
+    /// The path to the `geth` executable.
+    ///
+    /// By default it uses `geth` binary found in `$PATH`.
+    #[arg(short, long = "geth", default_value = "geth")]
+    pub geth: PathBuf,
+}

crates/core/Cargo.toml

@@ -16,9 +16,9 @@ path = "src/main.rs"
 revive-dt-compiler = { workspace = true }
 revive-dt-format = { workspace = true }
 revive-solc-json-interface = { workspace = true }
+revive-dt-config = { workspace = true }
 
 anyhow = { workspace = true }
-clap = { workspace = true }
 log = { workspace = true }
 env_logger = { workspace = true }
 rayon = { workspace = true }

crates/core/src/arguments.rs

@@ -1,17 +0,0 @@
-use std::path::PathBuf;
-
-use clap::Parser;
-
-#[derive(Debug, Parser)]
-#[command(name = "The PolkaVM Solidity compiler", arg_required_else_help = true)]
-pub struct Arguments {
-    /// The path where the `resolc` executable to be tested is found at.
-    ///
-    /// By default it uses the `resolc` found in `$PATH`
-    #[arg(long = "resolc")]
-    pub resolc: Option<PathBuf>,
-
-    /// A list of test corpus JSON files to be tested.
-    #[arg(long = "corpus")]
-    pub corpus: Vec<PathBuf>,
-}

crates/core/src/lib.rs

@@ -3,5 +3,4 @@
 //! This crate defines the testing configuration and
 //! provides a helper utilty to execute tests.
 
-pub mod arguments;
 pub mod driver;

crates/core/src/main.rs

@@ -1,17 +1,15 @@
 use std::collections::BTreeSet;
 
-use clap::Parser;
-
 use rayon::prelude::*;
-use revive_dt_core::{arguments::Arguments, driver::compiler::build_evm};
+
+use revive_dt_config::*;
+use revive_dt_core::driver::compiler::build_evm;
 use revive_dt_format::corpus::Corpus;
 
 fn main() -> anyhow::Result<()> {
     env_logger::init();
 
-    let args = Arguments::try_parse()?;
-
-    for path in args.corpus.iter().collect::<BTreeSet<_>>() {
+    for path in get_args().corpus.iter().collect::<BTreeSet<_>>() {
         log::trace!("attempting corpus {path:?}");
         let corpus = Corpus::try_from_path(path)?;
         log::info!("found corpus: {corpus:?}");

crates/node-interaction/Cargo.toml

@@ -16,5 +16,3 @@ log = { workspace = true }
 once_cell = { workspace = true }
 serde_json = { workspace = true }
 tokio = { workspace = true }
-
-revive-dt-node = { workspace = true }

crates/node-interaction/src/lib.rs

@@ -2,15 +2,14 @@
 
 use alloy::rpc::types::trace::geth::GethTrace;
 use alloy::rpc::types::{TransactionReceipt, TransactionRequest};
-use revive_dt_node::Node;
 use tokio_runtime::TO_TOKIO;
 
 mod tokio_runtime;
 pub mod trace;
 pub mod transaction;
 
-/// An interface for all node interactions.
-pub trait NodeInteraction: Node {
+/// An interface for all interactions with Ethereum compatible nodes.
+pub trait EthereumNode {
     /// Execute the [TransactionRequest] and return a [TransactionReceipt].
     fn execute_transaction(
         &self,

crates/node-interaction/src/trace.rs

@@ -5,7 +5,6 @@ use alloy::providers::ProviderBuilder;
 use alloy::providers::ext::DebugApi;
 use alloy::rpc::types::TransactionReceipt;
 use alloy::rpc::types::trace::geth::{GethDebugTracingOptions, GethTrace};
-use revive_dt_node::Node;
 use tokio::sync::mpsc;
 
 use crate::TO_TOKIO;
@@ -37,10 +36,10 @@ impl AsyncNodeInteraction for Trace {
 
 /// Trace the transaction in [TransactionReceipt] against the `node`,
 /// using the provided [GethDebugTracingOptions].
-pub fn trace_transaction<T: Node>(
+pub fn trace_transaction(
     transaction_receipt: TransactionReceipt,
     options: GethDebugTracingOptions,
-    node: &T,
+    connection_string: String,
 ) -> anyhow::Result<GethTrace> {
     let trace_sender = TO_TOKIO.lock().unwrap().trace_sender.clone();
     let (geth_trace_sender, mut geth_trace_receiver) = mpsc::channel(1);
@@ -49,7 +48,7 @@ pub fn trace_transaction<T: Node>(
         transaction_hash: transaction_receipt.transaction_hash,
         options,
         geth_trace_sender,
-        connection_string: node.connection_string(),
+        connection_string,
     })?;
 
     geth_trace_receiver

crates/node-interaction/src/transaction.rs

@@ -2,7 +2,6 @@
 
 use alloy::providers::{Provider, ProviderBuilder};
 use alloy::rpc::types::{TransactionReceipt, TransactionRequest};
-use revive_dt_node::Node;
 use tokio::sync::mpsc;
 
 use crate::TO_TOKIO;
@@ -34,9 +33,9 @@ impl AsyncNodeInteraction for Transaction {
 }
 
 /// Execute the [TransactionRequest] against the `node`.
-pub fn execute_transaction<T: Node>(
+pub fn execute_transaction(
     transaction_request: TransactionRequest,
-    node: &T,
+    connection_string: String,
 ) -> anyhow::Result<TransactionReceipt> {
     let request_sender = TO_TOKIO.lock().unwrap().transaction_sender.clone();
     let (receipt_sender, mut receipt_receiver) = mpsc::channel(1);
@@ -44,7 +43,7 @@ pub fn execute_transaction<T: Node>(
     request_sender.blocking_send(Transaction {
         transaction_request,
         receipt_sender,
-        connection_string: node.connection_string(),
+        connection_string,
     })?;
 
     receipt_receiver

crates/node/Cargo.toml

@@ -11,3 +11,7 @@ rust-version.workspace = true
 [dependencies]
 anyhow = { workspace = true }
 alloy = { workspace = true }
+serde_json = { workspace = true }
+
+revive-dt-node-interaction = { workspace = true }
+revive-dt-config = { workspace = true }

crates/node/src/geth.rs

@@ -0,0 +1,125 @@
+//! The go-ethereum node implementation.
+
+use std::{
+    fs::{File, create_dir, exists},
+    path::PathBuf,
+    process::{Command, Stdio},
+    sync::atomic::{AtomicU32, Ordering},
+};
+
+use alloy::{
+    genesis::Genesis,
+    rpc::types::trace::geth::{DiffMode, PreStateFrame},
+};
+use revive_dt_config::get_args;
+use revive_dt_node_interaction::{
+    EthereumNode, trace::trace_transaction, transaction::execute_transaction,
+};
+
+use crate::Node;
+
+static NODE_COUNT: AtomicU32 = AtomicU32::new(0);
+
+#[derive(Debug)]
+pub struct Instance {
+    connection_string: String,
+    directory: PathBuf,
+    geth: PathBuf,
+    id: u32,
+}
+
+impl Instance {
+    pub fn new() -> anyhow::Result<Self> {
+        let args = get_args();
+
+        let geth_directory = args.working_directory.join("geth");
+        if !exists(&geth_directory)? {
+            create_dir(&geth_directory)?;
+        }
+
+        let id = NODE_COUNT.fetch_add(1, Ordering::SeqCst);
+        let directory = geth_directory.join(id.to_string());
+
+        let connection_string = directory.join("geth.ipc").display().to_string();
+
+        Ok(Self {
+            connection_string,
+            directory,
+            geth: args.geth.clone(),
+            id,
+        })
+    }
+}
+
+impl Instance {
+    /// Call `init` on the node to configure it's genesis.
+    fn init(&mut self, genesis: Genesis) -> anyhow::Result<()> {
+        let genesis_path = self.directory.join("genesis.json");
+
+        let mut file = File::create(&genesis_path)?;
+        serde_json::to_writer_pretty(&mut file, &genesis)?;
+
+        if !Command::new(&self.geth)
+            .arg("--datadir")
+            .arg(self.directory.join("data"))
+            .stderr(Stdio::null())
+            .stdout(Stdio::null())
+            .spawn()?
+            .wait()?
+            .success()
+        {
+            anyhow::bail!("failed to initialize geth node {:?}", &self);
+        }
+
+        Ok(())
+    }
+}
+
+impl EthereumNode for Instance {
+    fn execute_transaction(
+        &self,
+        transaction_request: alloy::rpc::types::TransactionRequest,
+    ) -> anyhow::Result<alloy::rpc::types::TransactionReceipt> {
+        execute_transaction(transaction_request, self.connection_string())
+    }
+
+    fn trace_transaction(
+        &self,
+        transaction_receipt: alloy::rpc::types::TransactionReceipt,
+    ) -> anyhow::Result<alloy::rpc::types::trace::geth::GethTrace> {
+        trace_transaction(
+            transaction_receipt,
+            Default::default(),
+            self.connection_string(),
+        )
+    }
+}
+
+impl Node for Instance {
+    fn connection_string(&self) -> String {
+        self.connection_string.clone()
+    }
+
+    fn shutdown(self) -> anyhow::Result<()> {
+        Ok(())
+    }
+
+    fn spawn(&mut self, genesis: Genesis) -> anyhow::Result<&mut Self> {
+        self.init(genesis)?;
+
+        Ok(self)
+    }
+
+    fn state_diff(
+        &self,
+        transaction: alloy::rpc::types::TransactionReceipt,
+    ) -> anyhow::Result<DiffMode> {
+        match self
+            .trace_transaction(transaction)?
+            .try_into_pre_state_frame()?
+        {
+            PreStateFrame::Diff(diff) => Ok(diff),
+            _ => anyhow::bail!("expected a diff mode trace"),
+        }
+    }
+}

crates/node/src/lib.rs

@@ -1,29 +1,28 @@
-//! An abstract interface for testing nodes.
+//! This crate implements the testing nodes.
 
 use alloy::{
     genesis::Genesis,
-    rpc::types::{TransactionReceipt, TransactionRequest, trace::parity::StateDiff},
+    rpc::types::{TransactionReceipt, trace::geth::DiffMode},
 };
+use revive_dt_node_interaction::EthereumNode;
 
-pub trait Node {
-    /// Configures the node with the given genesis configuration.
-    fn with_genesis(&mut self, genesis: &Genesis) -> anyhow::Result<&mut Self>;
+pub mod geth;
 
-    /// Spawns the node, blocking until it's ready to accept transactions.
-    fn spawn(&mut self) -> anyhow::Result<&mut Self>;
+/// An abstract interface for testing nodes.
+pub trait Node: EthereumNode {
+    /// Spawns a node configured according to the [Genesis].
+    ///
+    /// Blocking until it's ready to accept transactions.
+    fn spawn(&mut self, genesis: Genesis) -> anyhow::Result<&mut Self>;
 
-    /// Prune the node, blocking until it's completely stopped.
+    /// Prune the node instance and related data.
+    ///
+    /// Blocking until it's completely stopped.
     fn shutdown(self) -> anyhow::Result<()>;
 
     /// Returns the nodes connection string.
     fn connection_string(&self) -> String;
 
-    /// Execute the [TransactionRequest], blocking until the transaction is mined.
-    fn execute_transaction(
-        &self,
-        transaction: &TransactionRequest,
-    ) -> anyhow::Result<TransactionReceipt>;
-
     /// Returns the state diff of the transaction hash in the [TransactionReceipt].
-    fn state_diff(&self, transaction: &TransactionReceipt) -> anyhow::Result<StateDiff>;
+    fn state_diff(&self, transaction: TransactionReceipt) -> anyhow::Result<DiffMode>;
 }