fix(beta-toolchain): Warnings

zebra-chain/src/block/arbitrary.rs

@@ -1,22 +1,13 @@
 //! Randomised property testing for [`Block`]s.
 
-use std::{collections::HashMap, sync::Arc};
-
-use proptest::{
-    arbitrary::{any, Arbitrary},
-    prelude::*,
-};
+use proptest::prelude::*;
 
 use crate::{
     amount::NonNegative,
     block,
     fmt::{HexDebug, SummaryDebug},
     history_tree::HistoryTree,
-    parameters::{
-        Network,
-        NetworkUpgrade::{self, *},
-        GENESIS_PREVIOUS_BLOCK_HASH,
-    },
+    parameters::{NetworkUpgrade::*, GENESIS_PREVIOUS_BLOCK_HASH},
     serialization,
     transaction::arbitrary::MAX_ARBITRARY_ITEMS,
     transparent::{

zebra-chain/src/block/tests/prop.rs

@@ -2,21 +2,19 @@
 
 use std::{env, io::ErrorKind};
 
-use proptest::{arbitrary::any, prelude::*, test_runner::Config};
+use proptest::{prelude::*, test_runner::Config};
 
 use hex::{FromHex, ToHex};
 
 use zebra_test::prelude::*;
 
 use crate::{
-    parameters::{Network, GENESIS_PREVIOUS_BLOCK_HASH},
+    parameters::GENESIS_PREVIOUS_BLOCK_HASH,
     serialization::{SerializationError, ZcashDeserializeInto, ZcashSerialize},
-    LedgerState,
 };
 
 use super::super::{
     arbitrary::{allow_all_transparent_coinbase_spends, PREVOUTS_CHAIN_HEIGHT},
-    serialize::MAX_BLOCK_BYTES,
     *,
 };
 

zebra-chain/src/orchard/action.rs

@@ -1,4 +1,4 @@
-use std::{convert::TryFrom, io};
+use std::io;
 
 use halo2::pasta::pallas;
 use reddsa::orchard::SpendAuth;

zebra-chain/src/orchard/arbitrary.rs

@@ -7,7 +7,7 @@ use group::{
 use halo2::pasta::pallas;
 use reddsa::{orchard::SpendAuth, Signature, SigningKey, VerificationKey, VerificationKeyBytes};
 
-use proptest::{arbitrary::any, array, collection::vec, prelude::*};
+use proptest::{array, collection::vec, prelude::*};
 
 use super::{
     keys::*, note, tree, Action, AuthorizedAction, Flags, NoteCommitment, ValueCommitment,

zebra-chain/src/orchard/note/arbitrary.rs

@@ -1,4 +1,4 @@
-use proptest::{arbitrary::any, collection::vec, prelude::*};
+use proptest::{collection::vec, prelude::*};
 
 use super::*;
 

zebra-chain/src/orchard/shielded_data.rs

@@ -8,7 +8,7 @@ use std::{
 
 use byteorder::{ReadBytesExt, WriteBytesExt};
 use halo2::pasta::pallas;
-use reddsa::{self, orchard::Binding, orchard::SpendAuth, Signature};
+use reddsa::{orchard::Binding, orchard::SpendAuth, Signature};
 
 use crate::{
     amount::{Amount, NegativeAllowed},

zebra-chain/src/orchard/tree.rs

@@ -19,7 +19,7 @@ use std::{
 };
 
 use bitvec::prelude::*;
-use bridgetree::{self, NonEmptyFrontier};
+use bridgetree::NonEmptyFrontier;
 use halo2::pasta::{group::ff::PrimeField, pallas};
 use hex::ToHex;
 use incrementalmerkletree::Hashable;

zebra-chain/src/primitives/proofs/bctv14.rs

@@ -53,7 +53,7 @@ impl ZcashDeserialize for Bctv14Proof {
 }
 
 #[cfg(any(test, feature = "proptest-impl"))]
-use proptest::{arbitrary::Arbitrary, collection::vec, prelude::*};
+use proptest::{collection::vec, prelude::*};
 
 #[cfg(any(test, feature = "proptest-impl"))]
 impl Arbitrary for Bctv14Proof {

zebra-chain/src/primitives/proofs/groth16.rs

@@ -65,7 +65,7 @@ impl ZcashDeserialize for Groth16Proof {
 }
 
 #[cfg(any(test, feature = "proptest-impl"))]
-use proptest::{arbitrary::Arbitrary, collection::vec, prelude::*};
+use proptest::{collection::vec, prelude::*};
 
 #[cfg(any(test, feature = "proptest-impl"))]
 impl Arbitrary for Groth16Proof {

zebra-chain/src/primitives/proofs/halo2.rs

@@ -36,7 +36,7 @@ impl ZcashDeserialize for Halo2Proof {
     }
 }
 #[cfg(any(test, feature = "proptest-impl"))]
-use proptest::{arbitrary::Arbitrary, prelude::*};
+use proptest::prelude::*;
 
 #[cfg(any(test, feature = "proptest-impl"))]
 impl Arbitrary for Halo2Proof {

zebra-chain/src/primitives/zcash_history.rs

@@ -6,7 +6,7 @@
 
 mod tests;
 
-use std::{collections::BTreeMap, convert::TryInto, io, sync::Arc};
+use std::{collections::BTreeMap, io, sync::Arc};
 
 use serde_big_array::BigArray;
 pub use zcash_history::{V1, V2};

zebra-chain/src/sapling/arbitrary.rs

@@ -5,7 +5,7 @@ use jubjub::{AffinePoint, ExtendedPoint};
 use rand::SeedableRng;
 use rand_chacha::ChaChaRng;
 
-use proptest::{arbitrary::any, collection::vec, prelude::*};
+use proptest::{collection::vec, prelude::*};
 
 use crate::primitives::Groth16Proof;
 

zebra-chain/src/sapling/commitment.rs

@@ -1,9 +1,6 @@
 //! Note and value commitments.
 
-use std::{
-    convert::{TryFrom, TryInto},
-    fmt, io,
-};
+use std::{fmt, io};
 
 use bitvec::prelude::*;
 use jubjub::ExtendedPoint;

zebra-chain/src/sapling/keys.rs

@@ -16,7 +16,7 @@ use rand_core::{CryptoRng, RngCore};
 
 use crate::{
     error::{AddressError, RandError},
-    primitives::redjubjub::{self, SpendAuth},
+    primitives::redjubjub::SpendAuth,
     serialization::{
         serde_helpers, ReadZcashExt, SerializationError, ZcashDeserialize, ZcashSerialize,
     },

zebra-chain/src/sapling/note/arbitrary.rs

@@ -1,4 +1,4 @@
-use proptest::{arbitrary::any, collection::vec, prelude::*};
+use proptest::{collection::vec, prelude::*};
 
 use super::*;
 

zebra-chain/src/sapling/spend.rs

@@ -3,14 +3,11 @@
 //! Zebra uses a generic spend type for `V4` and `V5` transactions.
 //! The anchor change is handled using the `AnchorVariant` type trait.
 
-use std::{convert::TryInto, fmt, io};
+use std::{fmt, io};
 
 use crate::{
     block::MAX_BLOCK_BYTES,
-    primitives::{
-        redjubjub::{self, SpendAuth},
-        Groth16Proof,
-    },
+    primitives::{redjubjub::SpendAuth, Groth16Proof},
     serialization::{
         ReadZcashExt, SerializationError, TrustedPreallocate, WriteZcashExt, ZcashDeserialize,
         ZcashDeserializeInto, ZcashSerialize,

zebra-chain/src/sapling/tests/prop.rs

@@ -8,7 +8,6 @@ use crate::{
     serialization::{ZcashDeserializeInto, ZcashSerialize},
     transaction::{LockTime, Transaction},
 };
-use std::convert::TryInto;
 
 proptest! {
     /// Serialize and deserialize `Spend<PerSpendAnchor>`

zebra-chain/src/sapling/tree.rs

@@ -19,7 +19,7 @@ use std::{
 };
 
 use bitvec::prelude::*;
-use bridgetree::{self, NonEmptyFrontier};
+use bridgetree::NonEmptyFrontier;
 use hex::ToHex;
 use incrementalmerkletree::{frontier::Frontier, Hashable};
 

zebra-chain/src/serialization/arbitrary.rs

@@ -1,9 +1,7 @@
 //! Arbitrary data generation for serialization proptests
 
-use std::convert::TryInto;
-
 use chrono::{DateTime, TimeZone, Utc};
-use proptest::{arbitrary::any, prelude::*};
+use proptest::prelude::*;
 
 use super::{
     CompactSizeMessage, DateTime32, TrustedPreallocate, ZcashSerialize, MAX_PROTOCOL_MESSAGE_LEN,

zebra-chain/src/serialization/compact_size.rs

@@ -5,8 +5,6 @@
 //! - [`CompactSizeMessage`] for sizes that must be less than the network message limit, and
 //! - [`CompactSize64`] for flags, arbitrary counts, and sizes that span multiple blocks.
 
-use std::convert::{TryFrom, TryInto};
-
 use byteorder::{LittleEndian, ReadBytesExt, WriteBytesExt};
 
 use crate::serialization::{

zebra-chain/src/serialization/constraint.rs

@@ -1,9 +1,6 @@
 //! Serialization constraint helpers.
 
-use std::{
-    convert::{TryFrom, TryInto},
-    ops::Deref,
-};
+use std::ops::Deref;
 
 use crate::serialization::SerializationError;
 

zebra-chain/src/serialization/tests/preallocate.rs

@@ -2,7 +2,7 @@
 
 use proptest::{collection::size_range, prelude::*};
 
-use std::{convert::TryInto, matches};
+use std::matches;
 
 use crate::serialization::{
     arbitrary::max_allocation_is_big_enough, zcash_deserialize::MAX_U8_ALLOCATION,

zebra-chain/src/sprout/arbitrary.rs

@@ -1,4 +1,4 @@
-use proptest::{arbitrary::any, array, prelude::*};
+use proptest::{array, prelude::*};
 
 use crate::{
     amount::{Amount, NonNegative},

zebra-chain/src/sprout/note/arbitrary.rs

@@ -1,4 +1,4 @@
-use proptest::{arbitrary::any, collection::vec, prelude::*};
+use proptest::{collection::vec, prelude::*};
 
 impl Arbitrary for super::EncryptedNote {
     type Parameters = ();

zebra-chain/src/tests/vectors.rs

@@ -30,7 +30,7 @@ impl Network {
         }
     }
 
-    ///
+    /// Returns BTreemap of blocks.
     pub fn block_map(&self) -> BTreeMap<u32, &'static [u8]> {
         if self.is_mainnet() {
             zebra_test::vectors::MAINNET_BLOCKS.clone()

zebra-chain/src/transaction/arbitrary.rs

@@ -1,17 +1,9 @@
 //! Arbitrary data generation for transaction proptests
 
-use std::{
-    cmp::max,
-    collections::HashMap,
-    convert::{TryFrom, TryInto},
-    ops::Neg,
-    sync::Arc,
-};
+use std::{cmp::max, collections::HashMap, ops::Neg, sync::Arc};
 
 use chrono::{TimeZone, Utc};
-use proptest::{
-    arbitrary::any, array, collection::vec, option, prelude::*, test_runner::TestRunner,
-};
+use proptest::{array, collection::vec, option, prelude::*, test_runner::TestRunner};
 use reddsa::{orchard::Binding, Signature};
 
 use crate::{

zebra-chain/src/transaction/hash.rs

@@ -28,11 +28,7 @@
 //!
 //! [1]: crate::transaction::UnminedTx
 
-use std::{
-    convert::{TryFrom, TryInto},
-    fmt,
-    sync::Arc,
-};
+use std::{fmt, sync::Arc};
 
 #[cfg(any(test, feature = "proptest-impl"))]
 use proptest_derive::Arbitrary;

zebra-chain/src/transaction/memo.rs

@@ -1,4 +1,4 @@
-use std::{cmp, convert::TryFrom, fmt};
+use std::{cmp, fmt};
 
 /// A 512-byte (plaintext) memo associated with a note, as described in
 /// [protocol specification §5.5][ps].

zebra-chain/src/transaction/serialize.rs

@@ -1,24 +1,23 @@
 //! Contains impls of `ZcashSerialize`, `ZcashDeserialize` for all of the
 //! transaction types, so that all of the serialization logic is in one place.
 
-use std::{borrow::Borrow, convert::TryInto, io, sync::Arc};
+use std::{borrow::Borrow, io, sync::Arc};
 
 use byteorder::{LittleEndian, ReadBytesExt, WriteBytesExt};
-use halo2::pasta::{group::ff::PrimeField, pallas};
+use halo2::pasta::group::ff::PrimeField;
 use hex::FromHex;
 use reddsa::{orchard::Binding, orchard::SpendAuth, Signature};
 
 use crate::{
     amount,
     block::MAX_BLOCK_BYTES,
     parameters::{OVERWINTER_VERSION_GROUP_ID, SAPLING_VERSION_GROUP_ID, TX_V5_VERSION_GROUP_ID},
-    primitives::{Groth16Proof, Halo2Proof, ZkSnarkProof},
+    primitives::{Halo2Proof, ZkSnarkProof},
     serialization::{
         zcash_deserialize_external_count, zcash_serialize_empty_list,
         zcash_serialize_external_count, AtLeastOne, ReadZcashExt, SerializationError,
         TrustedPreallocate, ZcashDeserialize, ZcashDeserializeInto, ZcashSerialize,
     },
-    sprout,
 };
 
 use super::*;

zebra-chain/src/transaction/tests/vectors.rs

@@ -5,11 +5,10 @@ use color_eyre::eyre::Result;
 use lazy_static::lazy_static;
 
 use crate::{
-    amount::Amount,
     block::{Block, Height, MAX_BLOCK_BYTES},
-    parameters::{Network, NetworkUpgrade},
+    parameters::Network,
     serialization::{SerializationError, ZcashDeserialize, ZcashDeserializeInto, ZcashSerialize},
-    transaction::{hash::WtxId, sighash::SigHasher, txid::TxIdBuilder, Transaction},
+    transaction::{sighash::SigHasher, txid::TxIdBuilder},
     transparent::Script,
 };
 

zebra-chain/src/transaction/txid.rs

@@ -1,6 +1,6 @@
 //! Transaction ID computation. Contains code for generating the Transaction ID
 //! from the transaction.
-use std::{convert::TryInto, io};
+use std::io;
 
 use super::{Hash, Transaction};
 use crate::serialization::{sha256d, ZcashSerialize};

zebra-chain/src/transparent/address.rs

@@ -158,6 +158,7 @@ impl ZcashDeserialize for Address {
     }
 }
 
+#[allow(dead_code)]
 trait ToAddressWithNetwork {
     /// Convert `self` to an `Address`, given the current `network`.
     fn to_address(&self, network: Network) -> Address;
@@ -223,6 +224,7 @@ impl Address {
         }
     }
 
+    #[allow(dead_code)]
     /// A hash of a transparent address payload, as used in
     /// transparent pay-to-script-hash and pay-to-publickey-hash
     /// addresses.
@@ -268,9 +270,6 @@ impl Address {
 
 #[cfg(test)]
 mod tests {
-
-    use secp256k1::PublicKey;
-
     use super::*;
 
     #[test]

zebra-chain/src/transparent/arbitrary.rs

@@ -1,4 +1,4 @@
-use proptest::{arbitrary::any, collection::vec, prelude::*};
+use proptest::{collection::vec, prelude::*};
 
 use crate::{block, LedgerState};
 

zebra-chain/src/transparent/script.rs

@@ -95,7 +95,6 @@ mod proptests {
     use proptest::prelude::*;
 
     use super::*;
-    use crate::serialization::{ZcashDeserialize, ZcashSerialize};
 
     proptest! {
         #[test]

zebra-chain/src/transparent/utxo.rs

@@ -1,6 +1,6 @@
 //! Unspent transparent output data structures and functions.
 
-use std::{collections::HashMap, convert::TryInto};
+use std::collections::HashMap;
 
 use crate::{
     block::{self, Block, Height},

zebra-chain/src/value_balance.rs

@@ -6,7 +6,7 @@ use crate::{
     transparent,
 };
 
-use std::{borrow::Borrow, collections::HashMap, convert::TryInto};
+use std::{borrow::Borrow, collections::HashMap};
 
 #[cfg(any(test, feature = "proptest-impl"))]
 use crate::{amount::MAX_MONEY, transaction::Transaction};