sc-client-babe/sp-arithmetic-fuzzer: update num-bigint and num-ration…

…al to v0.4

client/consensus/babe/Cargo.toml

@@ -15,17 +15,14 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 async-trait = "0.1.57"
-codec = { package = "parity-scale-codec", version = "3.0.0", features = [
-	"derive",
-] }
+codec = { package = "parity-scale-codec", version = "3.0.0", features = ["derive"] }
 futures = "0.3.21"
 log = "0.4.17"
 merlin = "2.0"
-num-bigint = "0.2.3"
-num-rational = "0.2.2"
+num-bigint = "0.4.3"
+num-rational = "0.4.1"
 num-traits = "0.2.8"
 parking_lot = "0.12.1"
-rand = "0.7.2"
 schnorrkel = { version = "0.9.1", features = ["preaudit_deprecated"] }
 serde = { version = "1.0.136", features = ["derive"] }
 thiserror = "1.0"

client/consensus/babe/src/authorship.rs

@@ -85,7 +85,7 @@ pub(super) fn calculate_primary_threshold(
 		 qed.",
 	);
 
-	((BigUint::one() << 128) * numer / denom).to_u128().expect(
+	((BigUint::one() << 128usize) * numer / denom).to_u128().expect(
 		"returns None if the underlying value cannot be represented with 128 bits; \
 		 we start with 2^128 which is one more than can be represented with 128 bits; \
 		 we multiple by p which is defined in [0, 1); \

client/consensus/babe/src/tests.rs

@@ -22,8 +22,7 @@ use super::*;
 use authorship::claim_slot;
 use futures::executor::block_on;
 use log::debug;
-use rand::RngCore;
-use rand_chacha::{rand_core::SeedableRng, ChaChaRng};
+use rand_chacha::{rand_core::{RngCore, SeedableRng}, ChaChaRng};
 use sc_block_builder::{BlockBuilder, BlockBuilderProvider};
 use sc_client_api::{backend::TransactionFor, BlockchainEvents, Finalizer};
 use sc_consensus::{BoxBlockImport, BoxJustificationImport};

primitives/arithmetic/fuzzer/Cargo.toml

@@ -15,7 +15,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 honggfuzz = "0.5.49"
-num-bigint = "0.2"
+num-bigint = "0.4.3"
 primitive-types = "0.12.0"
 sp-arithmetic = { version = "5.0.0", path = ".." }