Remove format

Cargo.toml

@@ -4,20 +4,23 @@ version = "1.5.0"
 authors = ["Lovesh Harchandani <lovesh.bond@gmail.com>", "Kirk Baird <kirk@sigmaprime.io>", "Paul Hauner <paul@sigmaprime.io>"]
 description = "BLS12-381 signatures using the Apache Milagro curve library, targeting Ethereum 2.0"
 license = "Apache-2.0"
+edition = "2021"
 
 [[bench]]
 name = "bls381_benches"
 harness = false
 
 [dependencies]
-amcl = { path = "./incubator-milagro-crypto-rust", default-features = false, features = ["bls381"]}
+amcl = { path = "./incubator-milagro-crypto-rust", default-features = false, features = ["bls381"] }
 hex = { version = "0.4.0", optional = true }
 lazy_static = { version = "1.4.0", optional = true }
 rand = { version = "0.8.5", default-features = false }
 zeroize = "1.0.0"
+codec = { version = "3.6.1", package = "parity-scale-codec", default-features = false, features = ["derive", "max-encoded-len"] }
+scale-info = { version = "2.9.0", default-features = false, features = ["derive"] }
 
 # This cannot be specified as dev-dependencies. Otherwise a cargo bug will always resolve `rand` with `std` feature, which breaks `no_std` builds.
-criterion = { version = "0.3.0", optional = true }
+criterion = { version = "0.4.0", optional = true }
 
 [features]
 default = ["std"]
@@ -27,4 +30,7 @@ std = [
   "rand/std_rng",
   "lazy_static",
   "hex",
+  "codec/std",
+  "scale-info/std",
+  "amcl/std",
 ]

src/amcl_utils.rs

@@ -2,7 +2,7 @@ extern crate amcl;
 #[cfg(feature = "std")]
 extern crate hex;
 extern crate rand;
-
+use crate::BLSCurve;
 use BLSCurve::bls381::proof_of_possession::DST_G2;
 use BLSCurve::ecp::ECP;
 use BLSCurve::ecp2::ECP2;

src/keys.rs

@@ -17,6 +17,9 @@ use std::fmt;
 use BLSCurve::bls381::utils::{
     deserialize_g1, secret_key_from_bytes, secret_key_to_bytes, serialize_uncompressed_g1,
 };
+use crate::BLSCurve;
+use codec::{Decode, Encode, MaxEncodedLen};
+use scale_info::TypeInfo;
 
 // Key Generation Constants
 /// Domain for key generation.
@@ -112,8 +115,7 @@ impl Drop for SecretKey {
 }
 
 /// A BLS public key.
-#[derive(Clone, PartialEq, Eq)]
-#[cfg_attr(feature = "std", derive(Debug))]
+#[derive(Debug, Default, Copy, Clone, PartialEq, Eq, Encode, Decode, TypeInfo, MaxEncodedLen)]
 pub struct PublicKey {
     pub point: GroupG1,
 }

src/lib.rs

@@ -28,7 +28,7 @@ mod amcl_utils;
 mod keys;
 mod signature;
 
-use self::amcl::bls381 as BLSCurve;
+pub use self::amcl::bls381 as BLSCurve;
 
 pub use aggregates::{AggregatePublicKey, AggregateSignature};
 pub use amcl_utils::{AmclError, G1_BYTES, G2_BYTES, SECRET_KEY_BYTES};