Added implementation for resolc trait (#12)

Implement the Solidity Compiler trait for resolc

crates/compiler/Cargo.toml

@@ -11,6 +11,9 @@ rust-version.workspace = true
 [dependencies]
 anyhow = { workspace = true }
 revive-solc-json-interface = { workspace = true }
+revive-dt-config = { workspace = true }
+revive-dt-solc-binaries = { workspace = true }
 revive-common = { workspace = true }
 semver = { workspace = true }
 serde_json = { workspace = true }
+log = { workspace = true }

crates/compiler/src/lib.rs

@@ -9,6 +9,8 @@ use std::{
     path::{Path, PathBuf},
 };
 
+use revive_dt_config::Arguments;
+
 use revive_common::EVMVersion;
 use revive_solc_json_interface::{
     SolcStandardJsonInput, SolcStandardJsonInputLanguage, SolcStandardJsonInputSettings,
@@ -33,6 +35,8 @@ pub trait SolidityCompiler {
     ) -> anyhow::Result<CompilerOutput<Self::Options>>;
 
     fn new(solc_executable: PathBuf) -> Self;
+
+    fn get_compiler_executable(config: &Arguments, version: Version) -> anyhow::Result<PathBuf>;
 }
 
 /// The generic compilation input configuration.

crates/compiler/src/revive_resolc.rs

@@ -1,2 +1,79 @@
-//! Implements the [crate::SolidityCompiler] trait with resolc for
-//! compiling contracts to PVM bytecode.
+//! Implements the [SolidityCompiler] trait with `resolc` for
+//! compiling contracts to PolkaVM (PVM) bytecode.
+
+use std::{
+    path::PathBuf,
+    process::{Command, Stdio},
+};
+
+use crate::{CompilerInput, CompilerOutput, SolidityCompiler};
+use revive_dt_config::Arguments;
+use revive_solc_json_interface::SolcStandardJsonOutput;
+
+/// A wrapper around the `resolc` binary, emitting PVM-compatible bytecode.
+pub struct Resolc {
+    /// Path to the `resolc` executable
+    resolc_path: PathBuf,
+}
+
+impl SolidityCompiler for Resolc {
+    type Options = Vec<String>;
+
+    fn build(
+        &self,
+        input: CompilerInput<Self::Options>,
+    ) -> anyhow::Result<CompilerOutput<Self::Options>> {
+        let mut child = Command::new(&self.resolc_path)
+            .arg("--standard-json")
+            .args(&input.extra_options)
+            .stdin(Stdio::piped())
+            .stdout(Stdio::piped())
+            .stderr(Stdio::piped())
+            .spawn()?;
+
+        let stdin_pipe = child.stdin.as_mut().expect("stdin must be piped");
+        serde_json::to_writer(stdin_pipe, &input.input)?;
+
+        let json_in = serde_json::to_string_pretty(&input.input)?;
+
+        let output = child.wait_with_output()?;
+        let stdout = output.stdout;
+        let stderr = output.stderr;
+
+        if !output.status.success() {
+            log::error!(
+                "resolc failed exit={} stderr={} JSON-in={} ",
+                output.status,
+                String::from_utf8_lossy(&stderr),
+                json_in,
+            );
+        }
+
+        let parsed: SolcStandardJsonOutput = serde_json::from_slice(&stdout).map_err(|e| {
+            anyhow::anyhow!(
+                "failed to parse resolc JSON output: {e}\nstderr: {}",
+                String::from_utf8_lossy(&stderr)
+            )
+        })?;
+
+        Ok(CompilerOutput {
+            input,
+            output: parsed,
+        })
+    }
+
+    fn new(resolc_path: PathBuf) -> Self {
+        Resolc { resolc_path }
+    }
+
+    fn get_compiler_executable(
+        config: &Arguments,
+        _version: semver::Version,
+    ) -> anyhow::Result<PathBuf> {
+        if !config.resolc.as_os_str().is_empty() {
+            return Ok(config.resolc.clone());
+        }
+
+        Ok(PathBuf::from("resolc"))
+    }
+}

crates/compiler/src/solc.rs

@@ -7,6 +7,8 @@ use std::{
 };
 
 use crate::{CompilerInput, CompilerOutput, SolidityCompiler};
+use revive_dt_config::Arguments;
+use revive_dt_solc_binaries::download_solc;
 
 pub struct Solc {
     solc_path: PathBuf,
@@ -39,4 +41,12 @@ impl SolidityCompiler for Solc {
     fn new(solc_path: PathBuf) -> Self {
         Self { solc_path }
     }
+
+    fn get_compiler_executable(
+        config: &Arguments,
+        version: semver::Version,
+    ) -> anyhow::Result<PathBuf> {
+        let path = download_solc(config.directory(), version, config.wasm)?;
+        Ok(path)
+    }
 }