Support ejection of fuzzing fixtures

.github/workflows/main.yml

@@ -65,4 +65,4 @@ jobs:
           cargo build-sbf --manifest-path test-programs/cpi-target/Cargo.toml
           cargo build-sbf --manifest-path test-programs/primary/Cargo.toml
       - name: Test
-        run: cargo test
+        run: cargo test --all-features

Cargo.toml

@@ -1,6 +1,7 @@
 [workspace]
 members = [
     "bencher",
+    "fuzz",
     "harness",
     "test-programs/cpi-target",
     "test-programs/primary",
@@ -17,9 +18,15 @@ version = "0.0.4"
 
 [workspace.dependencies]
 bincode = "1.3.3"
+bs58 = "0.5.1"
 mollusk-svm = { path = "harness", version = "0.0.4" }
 mollusk-svm-bencher = { path = "bencher", version = "0.0.4" }
+mollusk-svm-fuzz = { path = "fuzz", version = "0.0.4" }
 num-format = "0.4.4"
+prost = "0.10"
+prost-build = "0.10"
+prost-types = "0.10"
+serde = "1.0.203"
 serde_json = "1.0.117"
 solana-bpf-loader-program = "2.0"
 solana-compute-budget = "2.0"

fuzz/Cargo.toml

@@ -0,0 +1,22 @@
+[package]
+name = "mollusk-svm-fuzz"
+description = "SVM program fuzz harness."
+documentation = "https://docs.rs/mollusk-svm-fuzz"
+authors = { workspace = true }
+repository = { workspace = true }
+license = { workspace = true }
+edition = { workspace = true }
+version = { workspace = true }
+
+[dependencies]
+bs58 = { workspace = true }
+prost = { workspace = true }
+prost-types = { workspace = true }
+serde = { workspace = true, features = ["derive"] }
+serde_json = { workspace = true }
+solana-compute-budget = { workspace = true }
+solana-sdk = { workspace = true }
+thiserror = { workspace = true }
+
+[build-dependencies]
+prost-build = { workspace = true }

fuzz/build.rs

@@ -0,0 +1,19 @@
+use std::io::Result;
+
+fn main() -> Result<()> {
+    let proto_base_path = std::path::PathBuf::from("proto");
+
+    let protos = &[
+        proto_base_path.join("compute_budget.proto"),
+        proto_base_path.join("sysvars.proto"),
+        proto_base_path.join("invoke.proto"),
+    ];
+
+    protos
+        .iter()
+        .for_each(|proto| println!("cargo:rerun-if-changed={}", proto.display()));
+
+    prost_build::compile_protos(protos, &[proto_base_path])?;
+
+    Ok(())
+}