feat(tracing): implement muxTracer (#57)

Adds support for `muxTracer`. Depends on changes from
alloy-rs/alloy#252

Once both PR's are good to go I'll open a PR also for `reth`.

Cargo.toml

@@ -23,25 +23,25 @@ clippy.lint_groups_priority = "allow"
 # eth
 alloy-sol-types = "0.6"
 alloy-primitives = "0.6"
-alloy-rpc-types = { git = "https://github.com/alloy-rs/alloy", rev = "975a52a" }
-alloy-rpc-trace-types = { git = "https://github.com/alloy-rs/alloy", rev = "975a52a" }
+alloy-rpc-types = { git = "https://github.com/alloy-rs/alloy", rev = "64d0352" }
+alloy-rpc-trace-types = { git = "https://github.com/alloy-rs/alloy", rev = "64d0352" }
 revm = { version = "6.0", default-features = false, features = ["std"] }
 
 anstyle = "1.0"
 colorchoice = "1.0"
+thiserror = { version = "1"}
 
 # serde
 serde = { version = "1", optional = true, features = ["derive"] }
+serde_json = { version = "1" }
 
 # js-tracer
 boa_engine = { version = "0.17", optional = true }
 boa_gc = { version = "0.17", optional = true }
-thiserror = { version = "1", optional = true }
-serde_json = { version = "1", optional = true }
 
 [dev-dependencies]
 expect-test = "1.4"
 
 [features]
 serde = ["dep:serde", "revm/serde"]
-js-tracer = ["dep:boa_engine", "dep:boa_gc", "dep:thiserror", "dep:serde_json"]
+js-tracer = ["dep:boa_engine", "dep:boa_gc"]

src/tracing/mod.rs

@@ -46,6 +46,9 @@ pub use writer::TraceWriter;
 #[cfg(feature = "js-tracer")]
 pub mod js;
 
+mod mux;
+pub use mux::{Error as MuxError, MuxInspector};
+
 /// An inspector that collects call traces.
 ///
 /// This [Inspector] can be hooked into revm's EVM which then calls the inspector