chore: replace derive_more with thiserror 2 (#32)

* chore: replace derive_more with thiserror

* chore: replace derive_more with thiserror

Cargo.toml

@@ -29,7 +29,7 @@ option-if-let-else = "warn"
 redundant-clone = "warn"
 
 [workspace.dependencies]
-alloy-primitives = { version = "0.8.10", default-features = false }
+alloy-primitives = { version = "0.8.11", default-features = false }
 alloy-rlp = { version = "0.3", default-features = false }
 
 # serde

crates/eip7702/Cargo.toml

@@ -39,7 +39,7 @@ k256 = { workspace = true, optional = true }
 rand = { workspace = true, optional = true }
 
 # derive_more
-derive_more = { version = "2", default-features = false, features = ["display", "from"] }
+thiserror.workspace = true
 
 [dev-dependencies]
 bincode = "1.3"
@@ -48,7 +48,7 @@ serde_json.workspace = true
 
 [features]
 default = ["std"]
-std = ["alloy-primitives/std", "alloy-rlp/std", "serde?/std", "derive_more/std"]
+std = ["alloy-primitives/std", "alloy-rlp/std", "serde?/std", "thiserror/std"]
 serde = ["dep:serde", "alloy-primitives/serde"]
 serde-bincode-compat = ["serde_with"]
 arbitrary = ["std", "dep:arbitrary", "dep:rand", "alloy-primitives/arbitrary"]

crates/eip7702/src/error.rs

@@ -1,22 +1,12 @@
 use alloy_primitives::U256;
 
 /// EIP-7702 error.
-#[derive(Debug, derive_more::Display, derive_more::From)]
+#[derive(Debug, thiserror::Error)]
 pub enum Eip7702Error {
     /// Invalid signature `s` value.
-    #[display("invalid signature `s` value: {_0}")]
+    #[error("invalid signature `s` value: {0}")]
     InvalidSValue(U256),
     /// Signature error.
-    #[from]
-    Signature(alloy_primitives::SignatureError),
-}
-
-#[cfg(feature = "std")]
-impl std::error::Error for Eip7702Error {
-    fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
-        match self {
-            Self::InvalidSValue(_) => None,
-            Self::Signature(err) => Some(err),
-        }
-    }
+    #[error(transparent)]
+    Signature(#[from] alloy_primitives::SignatureError),
 }