From cd745a22d8f7501ef4966bbc6bf696bb1b63b5df Mon Sep 17 00:00:00 2001
From: Kevaundray Wedderburn <kevtheappdev@gmail.com>
Date: Mon, 12 May 2025 13:57:40 +0100
Subject: [PATCH] add risc0-errors module

---
 crates/ere-risczero/src/error.rs | 46 ++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 crates/ere-risczero/src/error.rs

diff --git a/crates/ere-risczero/src/error.rs b/crates/ere-risczero/src/error.rs
new file mode 100644
index 0000000..a2c7e98
--- /dev/null
+++ b/crates/ere-risczero/src/error.rs
@@ -0,0 +1,46 @@
+use std::{io, path::PathBuf, process::ExitStatus};
+use thiserror::Error;
+
+#[derive(Debug, Error)]
+pub enum RiscZeroError {
+    #[error(transparent)]
+    Compile(#[from] CompileError),
+}
+
+#[derive(Debug, Error)]
+pub enum CompileError {
+    #[error("{context}: {source}")]
+    Io {
+        #[source]
+        source: io::Error,
+        context: &'static str,
+    },
+    #[error("{context}: {source}")]
+    SerdeJson {
+        #[source]
+        source: serde_json::Error,
+        context: &'static str,
+    },
+    #[error("Methods crate path does not exist or is not a directory: {0}")]
+    InvalidMethodsPath(PathBuf),
+    #[error(
+        "`cargo build` for {crate_path} failed with status {status}\nstdout:\n{stdout}\nstderr:\n{stderr}"
+    )]
+    CargoBuildFailure {
+        crate_path: PathBuf,
+        status: ExitStatus,
+        stdout: String,
+        stderr: String,
+    },
+    #[error("Could not find field `{field}` in JSON file `{file}`")]
+    MissingJsonField { field: &'static str, file: PathBuf },
+}
+
+impl CompileError {
+    pub fn io(e: io::Error, context: &'static str) -> Self {
+        Self::Io { source: e, context }
+    }
+    pub fn serde(e: serde_json::Error, context: &'static str) -> Self {
+        Self::SerdeJson { source: e, context }
+    }
+}