fix/ignore cargo deny issues (#1183)

bridges/modules/ethereum/Cargo.toml

@@ -8,7 +8,7 @@ license = "GPL-3.0-or-later WITH Classpath-exception-2.0"
 
 [dependencies]
 codec = { package = "parity-scale-codec", version = "2.2.0", default-features = false }
-libsecp256k1 = { version = "0.3.4", default-features = false, features = ["hmac"], optional = true }
+libsecp256k1 = { version = "0.7", default-features = false, features = ["hmac"], optional = true }
 log = { version = "0.4.14", default-features = false }
 serde = { version = "1.0", optional = true }
 
@@ -26,7 +26,7 @@ sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "master
 sp-std = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 
 [dev-dependencies]
-libsecp256k1 = { version = "0.3.4", features = ["hmac"] }
+libsecp256k1 = { version = "0.7", features = ["hmac"] }
 hex-literal = "0.3"
 
 [features]

bridges/modules/ethereum/src/import.rs

@@ -180,7 +180,7 @@ mod tests {
 		validators::ValidatorsSource,
 		BlocksToPrune, BridgeStorage, Headers, PruningRange,
 	};
-	use secp256k1::SecretKey;
+	use libsecp256k1::SecretKey;
 
 	const TOTAL_VALIDATORS: usize = 3;
 

bridges/modules/ethereum/src/mock.rs

@@ -28,7 +28,7 @@ use crate::{
 };
 use bp_eth_poa::{Address, AuraHeader, H256, U256};
 use frame_support::{parameter_types, traits::GenesisBuild, weights::Weight};
-use secp256k1::SecretKey;
+use libsecp256k1::SecretKey;
 use sp_runtime::{
 	testing::Header as SubstrateHeader,
 	traits::{BlakeTwo256, IdentityLookup},

bridges/modules/ethereum/src/test_utils.rs

@@ -34,7 +34,7 @@ use bp_eth_poa::{
 	signatures::{secret_to_address, sign, SignHeader},
 	Address, AuraHeader, Bloom, Receipt, SealedEmptyStep, H256, U256,
 };
-use secp256k1::SecretKey;
+use libsecp256k1::SecretKey;
 use sp_std::prelude::*;
 
 /// Gas limit valid in test environment.

bridges/modules/ethereum/src/verification.rs

@@ -401,7 +401,7 @@ mod tests {
 	};
 	use bp_eth_poa::{compute_merkle_root, rlp_encode, TransactionOutcome, H520, U256};
 	use hex_literal::hex;
-	use secp256k1::SecretKey;
+	use libsecp256k1::SecretKey;
 	use sp_runtime::transaction_validity::TransactionTag;
 
 	const GENESIS_STEP: u64 = 42;