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

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

@@ -16,6 +16,7 @@ codec = { features = ["derive"], workspace = true }
 dlmalloc = { features = ["global"], workspace = true }
 log = { workspace = true }
 polkadot-parachain-primitives = { features = ["wasm-api"], workspace = true }
+polkadot-primitives = { workspace = true, default-features = false }
 tiny-keccak = { features = ["keccak"], workspace = true }
 
 # We need to make sure the global allocator is disabled until we have support of full substrate externalities
@@ -30,5 +31,6 @@ std = [
 	"codec/std",
 	"log/std",
 	"polkadot-parachain-primitives/std",
+	"polkadot-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

@@ -61,6 +61,15 @@ pub struct ExportGenesisWasmCommand {
 	pub output: Option<PathBuf>,
 }
 
+/// Enum representing different types of malicious behaviors for collators.
+#[derive(Debug, Parser, Clone, PartialEq, clap::ValueEnum)]
+pub enum MalusType {
+	/// No malicious behavior.
+	None,
+	/// Submit the same collations to all assigned cores.
+	DuplicateCollations,
+}
+
 #[allow(missing_docs)]
 #[derive(Debug, Parser)]
 #[group(skip)]
@@ -81,6 +90,10 @@ pub struct RunCmd {
 	/// we compute per block.
 	#[arg(long, default_value_t = 1)]
 	pub pvf_complexity: u32,
+
+	/// Specifies the malicious behavior of the collator.
+	#[arg(long, value_enum, default_value_t = MalusType::None)]
+	pub malus_type: MalusType,
 }
 
 #[allow(missing_docs)]