[WIP] malus-collator: implement malicious collator submitting same collation to all backing groups

polkadot/parachain/test-parachains/undying/Cargo.toml

@@ -15,6 +15,7 @@ workspace = true
 codec = { features = ["derive"], workspace = true }
 dlmalloc = { features = ["global"], workspace = true }
 log = { workspace = true }
+polkadot-primitives = { workspace = true, default-features = false }
 polkadot-parachain-primitives = { features = ["wasm-api"], workspace = true }
 tiny-keccak = { features = ["keccak"], workspace = true }
 
@@ -29,6 +30,7 @@ default = ["std"]
 std = [
 	"codec/std",
 	"log/std",
+	"polkadot-primitives/std",
 	"polkadot-parachain-primitives/std",
 	"sp-io/std",
 ]

polkadot/parachain/test-parachains/undying/collator/Cargo.toml

@@ -22,6 +22,7 @@ futures-timer = { workspace = true }
 log = { workspace = true, default-features = true }
 
 polkadot-cli = { workspace = true, default-features = true }
+polkadot-erasure-coding = { workspace = true, default-features = true }
 polkadot-node-primitives = { workspace = true, default-features = true }
 polkadot-node-subsystem = { workspace = true, default-features = true }
 polkadot-primitives = { workspace = true, default-features = true }

polkadot/parachain/test-parachains/undying/collator/src/cli.rs

@@ -81,6 +81,11 @@ pub struct RunCmd {
 	/// we compute per block.
 	#[arg(long, default_value_t = 1)]
 	pub pvf_complexity: u32,
+
+	/// If true, the collator will behave maliciously by submitting
+	/// the same collations to all assigned backing groups.
+	#[arg(long, default_value_t = false)]
+	pub malus: bool,
 }
 
 #[allow(missing_docs)]