refactor(agnostic signing algo and proptest): generic

Author: cong-or

rust/immutable-ledger/Cargo.toml

@@ -16,9 +16,12 @@ ulid = { version = "1.1.3", features = ["serde", "uuid"] }
 hex = "0.4.3"
 blake2b_simd = "1.0.2"
 blake3 = "=0.1.3"
-cddl = "0.9.4"
-
+proptest = { version = "1.5.0" }
 
 
 [lints]
 workspace = true
+
+
+[dev-dependencies]
+test-strategy = "0.4.0"