From cc6bd8afa48fc2f6101a8fbfaefae24d616dea24 Mon Sep 17 00:00:00 2001
From: tbro <48967308+tbro@users.noreply.github.com>
Date: Wed, 12 Feb 2025 18:29:01 -0300
Subject: [PATCH] Conditionally compile versions (#2559)

This facilitates selecting versions compiled into the binary. If you are only working with a single version, you easily choose to compile a single version by supplying it as a feature. For example: `cargo build --features fee`. For some tasks you want two versions. You can also set via ENV as demonstrated by the following simple test:

    RUSTFLAGS="--cfg feature=\"fee\"" cargo +nightly -Z unstable-options rustc --print cfg

Currently most of our testing infrastructure requires two versions. But we *could* (with additional effort) organize tests to take more advantage of conditional compilation.
---------

Co-authored-by: tbro <tbro@users.noreply.github.com>
---
 .github/workflows/cargo-features.yml | 2 +-
 .github/workflows/test.yml           | 1 +
 sequencer/Cargo.toml                 | 4 ++++
 sequencer/src/run.rs                 | 4 ++++
 4 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/cargo-features.yml b/.github/workflows/cargo-features.yml
index de382698ab..95157a2fdd 100644
--- a/.github/workflows/cargo-features.yml
+++ b/.github/workflows/cargo-features.yml
@@ -19,7 +19,7 @@ concurrency:
 
 jobs:
   cargo-features:
-    runs-on: ubuntu-latest
+    runs-on: buildjet-8vcpu-ubuntu-2204
     steps:
       - uses: taiki-e/install-action@cargo-hack
 
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 2007b8a988..5d4c588733 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -19,6 +19,7 @@ concurrency:
 
 env:
   RUST_LOG: info,libp2p=off,node=error
+  RUSTFLAGS: "--cfg feature=\"fee\" --cfg feature=\"marketplace\""
   CARGO_TERM_COLOR: always
   # Save the process compose logs
   PC_LOGS: /tmp/pc.log
diff --git a/sequencer/Cargo.toml b/sequencer/Cargo.toml
index 69564f90d5..d1fd78f25b 100644
--- a/sequencer/Cargo.toml
+++ b/sequencer/Cargo.toml
@@ -6,6 +6,7 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [features]
+default = ["fee"]
 testing = [
     "hotshot-testing",
     "marketplace-builder-core",
@@ -15,6 +16,9 @@ testing = [
 ]
 benchmarking = []
 embedded-db = ["hotshot-query-service/embedded-db"]
+fee = []
+pos = []
+marketplace = []
 
 [[bin]]
 name = "espresso-dev-node"
diff --git a/sequencer/src/run.rs b/sequencer/src/run.rs
index 9eb4acc021..182be004e2 100644
--- a/sequencer/src/run.rs
+++ b/sequencer/src/run.rs
@@ -8,6 +8,7 @@ use super::{
     persistence, Genesis, L1Params, NetworkParams,
 };
 use clap::Parser;
+#[allow(unused_imports)]
 use espresso_types::{
     traits::NullEventConsumer, FeeVersion, MarketplaceVersion, SequencerVersions,
     SolverAuctionResultsProvider, V0_0,
@@ -38,6 +39,7 @@ pub async fn main() -> anyhow::Result<()> {
     let upgrade = genesis.upgrade_version;
 
     match (base, upgrade) {
+        #[cfg(all(feature = "fee", feature = "marketplace"))]
         (FeeVersion::VERSION, MarketplaceVersion::VERSION) => {
             run(
                 genesis,
@@ -47,6 +49,7 @@ pub async fn main() -> anyhow::Result<()> {
             )
             .await
         }
+        #[cfg(feature = "fee")]
         (FeeVersion::VERSION, _) => {
             run(
                 genesis,
@@ -56,6 +59,7 @@ pub async fn main() -> anyhow::Result<()> {
             )
             .await
         }
+        #[cfg(feature = "marketplace")]
         (MarketplaceVersion::VERSION, _) => {
             run(
                 genesis,