Merge pull request #1185 from nerdcash/nonhardenedchildindex
Declare and use NonHardenedChildIndex for transparent
This commit is contained in:
commit
0477ec0dc5
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@ -52,6 +52,7 @@ and this library adheres to Rust's notion of
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- `wallet::input_selection::ShieldingSelector` has been
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factored out from the `InputSelector` trait to separate out transparent
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functionality and move it behind the `transparent-inputs` feature flag.
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- `TransparentAddressMetadata` (which replaces `zcash_keys::address::AddressMetadata`).
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- `zcash_client_backend::fees::{standard, sapling}`
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- `zcash_client_backend::fees::ChangeValue::new`
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- `zcash_client_backend::wallet`:
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@ -114,6 +115,8 @@ and this library adheres to Rust's notion of
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been removed from `error::Error`.
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- A new variant `UnsupportedPoolType` has been added.
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- A new variant `NoSupportedReceivers` has been added.
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- A new variant `NoSpendingKey` has been added.
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- Variant `ChildIndexOutOfRange` has been removed.
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- `wallet::shield_transparent_funds` no longer takes a `memo` argument;
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instead, memos to be associated with the shielded outputs should be
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specified in the construction of the value of the `input_selector`
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@ -161,6 +164,9 @@ and this library adheres to Rust's notion of
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`get_unspent_transparent_outputs` have been removed; use
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`data_api::InputSource` instead.
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- Added `get_account_ids`.
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- `get_transparent_receivers` now returns
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`zcash_client_backend::data_api::TransparentAddressMetadata` instead of
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`zcash_keys::address::AddressMetadata`.
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- `wallet::{propose_shielding, shield_transparent_funds}` now takes their
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`min_confirmations` arguments as `u32` rather than a `NonZeroU32` to permit
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implmentations to enable zero-conf shielding.
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@ -14,7 +14,7 @@ use shardtree::{error::ShardTreeError, store::ShardStore, ShardTree};
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use zcash_primitives::{
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block::BlockHash,
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consensus::BlockHeight,
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legacy::TransparentAddress,
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legacy::{NonHardenedChildIndex, TransparentAddress},
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memo::{Memo, MemoBytes},
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transaction::{
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components::amount::{Amount, BalanceError, NonNegativeAmount},
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@ -24,7 +24,7 @@ use zcash_primitives::{
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};
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use crate::{
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address::{AddressMetadata, UnifiedAddress},
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address::UnifiedAddress,
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decrypt::DecryptedOutput,
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keys::{UnifiedAddressRequest, UnifiedFullViewingKey, UnifiedSpendingKey},
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proto::service::TreeState,
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@ -56,6 +56,30 @@ pub enum NullifierQuery {
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All,
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}
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/// Describes the derivation of a transparent address.
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#[derive(Debug, Clone, PartialEq, Eq)]
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pub struct TransparentAddressMetadata {
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scope: zip32::Scope,
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address_index: NonHardenedChildIndex,
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}
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impl TransparentAddressMetadata {
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pub fn new(scope: zip32::Scope, address_index: NonHardenedChildIndex) -> Self {
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Self {
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scope,
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address_index,
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}
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}
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pub fn scope(&self) -> zip32::Scope {
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self.scope
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}
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pub fn address_index(&self) -> NonHardenedChildIndex {
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self.address_index
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}
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}
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/// Balance information for a value within a single pool in an account.
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#[derive(Debug, Clone, Copy, PartialEq, Eq)]
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pub struct Balance {
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@ -560,7 +584,7 @@ pub trait WalletRead {
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fn get_transparent_receivers(
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&self,
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account: AccountId,
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) -> Result<HashMap<TransparentAddress, AddressMetadata>, Self::Error>;
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) -> Result<HashMap<TransparentAddress, Option<TransparentAddressMetadata>>, Self::Error>;
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/// Returns a mapping from transparent receiver to not-yet-shielded UTXO balance,
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/// for each address associated with a nonzero balance.
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@ -1116,7 +1140,7 @@ pub mod testing {
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};
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use crate::{
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address::{AddressMetadata, UnifiedAddress},
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address::UnifiedAddress,
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keys::{UnifiedAddressRequest, UnifiedFullViewingKey, UnifiedSpendingKey},
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wallet::{Note, NoteId, ReceivedNote, WalletTransparentOutput},
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ShieldedProtocol,
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@ -1125,7 +1149,8 @@ pub mod testing {
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use super::{
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chain::CommitmentTreeRoot, scanning::ScanRange, AccountBirthday, BlockMetadata,
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DecryptedTransaction, InputSource, NullifierQuery, ScannedBlock, SentTransaction,
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WalletCommitmentTrees, WalletRead, WalletSummary, WalletWrite, SAPLING_SHARD_HEIGHT,
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TransparentAddressMetadata, WalletCommitmentTrees, WalletRead, WalletSummary, WalletWrite,
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SAPLING_SHARD_HEIGHT,
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};
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pub struct MockWalletDb {
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@ -1284,7 +1309,8 @@ pub mod testing {
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fn get_transparent_receivers(
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&self,
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_account: AccountId,
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) -> Result<HashMap<TransparentAddress, AddressMetadata>, Self::Error> {
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) -> Result<HashMap<TransparentAddress, Option<TransparentAddressMetadata>>, Self::Error>
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{
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Ok(HashMap::new())
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}
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@ -17,7 +17,7 @@ use crate::data_api::wallet::input_selection::InputSelectorError;
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use crate::PoolType;
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#[cfg(feature = "transparent-inputs")]
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use zcash_primitives::{legacy::TransparentAddress, zip32::DiversifierIndex};
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use zcash_primitives::legacy::TransparentAddress;
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use crate::wallet::NoteId;
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@ -64,15 +64,18 @@ pub enum Error<DataSourceError, CommitmentTreeError, SelectionError, FeeError> {
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/// Attempted to create a spend to an unsupported Unified Address receiver
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NoSupportedReceivers(Vec<u32>),
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/// A proposed transaction cannot be built because it requires spending an input
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/// for which no spending key is available.
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///
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/// The argument is the address of the note or UTXO being spent.
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NoSpendingKey(String),
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/// A note being spent does not correspond to either the internal or external
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/// full viewing key for an account.
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NoteMismatch(NoteId),
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#[cfg(feature = "transparent-inputs")]
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AddressNotRecognized(TransparentAddress),
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#[cfg(feature = "transparent-inputs")]
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ChildIndexOutOfRange(DiversifierIndex),
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}
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impl<DE, CE, SE, FE> fmt::Display for Error<DE, CE, SE, FE>
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@ -122,20 +125,13 @@ where
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Error::MemoForbidden => write!(f, "It is not possible to send a memo to a transparent address."),
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Error::UnsupportedPoolType(t) => write!(f, "Attempted to send to an unsupported pool: {}", t),
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Error::NoSupportedReceivers(t) => write!(f, "Unified address contained only unsupported receiver types: {:?}", &t[..]),
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Error::NoSpendingKey(addr) => write!(f, "No spending key available for address: {}", addr),
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Error::NoteMismatch(n) => write!(f, "A note being spent ({:?}) does not correspond to either the internal or external full viewing key for the provided spending key.", n),
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#[cfg(feature = "transparent-inputs")]
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Error::AddressNotRecognized(_) => {
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write!(f, "The specified transparent address was not recognized as belonging to the wallet.")
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}
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#[cfg(feature = "transparent-inputs")]
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Error::ChildIndexOutOfRange(i) => {
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write!(
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f,
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"The diversifier index {:?} is out of range for transparent addresses.",
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i
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)
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}
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}
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}
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}
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@ -5,6 +5,7 @@ use sapling::{
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note_encryption::{try_sapling_note_decryption, PreparedIncomingViewingKey},
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prover::{OutputProver, SpendProver},
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};
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use zcash_keys::encoding::AddressCodec;
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use zcash_primitives::{
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consensus::{self, NetworkUpgrade},
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memo::MemoBytes,
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@ -639,17 +640,17 @@ where
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for utxo in proposal.transparent_inputs() {
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utxos.push(utxo.clone());
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let diversifier_index = known_addrs
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let address_metadata = known_addrs
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.get(utxo.recipient_address())
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.ok_or_else(|| Error::AddressNotRecognized(*utxo.recipient_address()))?
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.diversifier_index();
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let child_index = u32::try_from(*diversifier_index)
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.map_err(|_| Error::ChildIndexOutOfRange(*diversifier_index))?;
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.clone()
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.ok_or_else(|| {
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Error::NoSpendingKey(utxo.recipient_address().encode(params))
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})?;
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let secret_key = usk
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.transparent()
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.derive_external_secret_key(child_index)
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.derive_external_secret_key(address_metadata.address_index())
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.unwrap();
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builder.add_transparent_input(
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@ -58,14 +58,14 @@ use zcash_primitives::{
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};
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use zcash_client_backend::{
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address::{AddressMetadata, UnifiedAddress},
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address::UnifiedAddress,
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data_api::{
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self,
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chain::{BlockSource, CommitmentTreeRoot},
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scanning::{ScanPriority, ScanRange},
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AccountBirthday, BlockMetadata, DecryptedTransaction, InputSource, NullifierQuery,
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ScannedBlock, SentTransaction, WalletCommitmentTrees, WalletRead, WalletSummary,
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WalletWrite, SAPLING_SHARD_HEIGHT,
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ScannedBlock, SentTransaction, TransparentAddressMetadata, WalletCommitmentTrees,
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WalletRead, WalletSummary, WalletWrite, SAPLING_SHARD_HEIGHT,
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},
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keys::{UnifiedAddressRequest, UnifiedFullViewingKey, UnifiedSpendingKey},
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proto::compact_formats::CompactBlock,
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@ -346,7 +346,7 @@ impl<C: Borrow<rusqlite::Connection>, P: consensus::Parameters> WalletRead for W
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fn get_transparent_receivers(
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&self,
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_account: AccountId,
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) -> Result<HashMap<TransparentAddress, AddressMetadata>, Self::Error> {
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) -> Result<HashMap<TransparentAddress, Option<TransparentAddressMetadata>>, Self::Error> {
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#[cfg(feature = "transparent-inputs")]
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return wallet::get_transparent_receivers(self.conn.borrow(), &self.params, _account);
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@ -112,9 +112,9 @@ use {
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crate::UtxoId,
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rusqlite::Row,
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std::collections::BTreeSet,
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zcash_client_backend::{address::AddressMetadata, wallet::WalletTransparentOutput},
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zcash_client_backend::{data_api::TransparentAddressMetadata, wallet::WalletTransparentOutput},
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zcash_primitives::{
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legacy::{keys::IncomingViewingKey, Script, TransparentAddress},
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legacy::{keys::IncomingViewingKey, NonHardenedChildIndex, Script, TransparentAddress},
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transaction::components::{OutPoint, TxOut},
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},
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};
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@ -349,8 +349,8 @@ pub(crate) fn get_transparent_receivers<P: consensus::Parameters>(
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conn: &rusqlite::Connection,
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params: &P,
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account: AccountId,
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) -> Result<HashMap<TransparentAddress, AddressMetadata>, SqliteClientError> {
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let mut ret = HashMap::new();
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) -> Result<HashMap<TransparentAddress, Option<TransparentAddressMetadata>>, SqliteClientError> {
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let mut ret: HashMap<TransparentAddress, Option<TransparentAddressMetadata>> = HashMap::new();
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// Get all UAs derived
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let mut ua_query = conn
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@ -360,12 +360,12 @@ pub(crate) fn get_transparent_receivers<P: consensus::Parameters>(
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while let Some(row) = rows.next()? {
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let ua_str: String = row.get(0)?;
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let di_vec: Vec<u8> = row.get(1)?;
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let mut di_be: [u8; 11] = di_vec.try_into().map_err(|_| {
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let mut di: [u8; 11] = di_vec.try_into().map_err(|_| {
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SqliteClientError::CorruptedData(
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"Diverisifier index is not an 11-byte value".to_owned(),
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)
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})?;
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di_be.reverse();
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di.reverse(); // BE -> LE conversion
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let ua = Address::decode(params, &ua_str)
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.ok_or_else(|| {
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@ -380,16 +380,34 @@ pub(crate) fn get_transparent_receivers<P: consensus::Parameters>(
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})?;
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if let Some(taddr) = ua.transparent() {
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let index = NonHardenedChildIndex::from_index(
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DiversifierIndex::from(di).try_into().map_err(|_| {
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SqliteClientError::CorruptedData(
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"Unable to get diversifier for transparent address.".to_string(),
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)
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})?,
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)
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.ok_or_else(|| {
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SqliteClientError::CorruptedData(
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"Unexpected hardened index for transparent address.".to_string(),
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)
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})?;
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ret.insert(
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*taddr,
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AddressMetadata::new(account, DiversifierIndex::from(di_be)),
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Some(TransparentAddressMetadata::new(Scope::External, index)),
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);
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}
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}
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if let Some((taddr, diversifier_index)) = get_legacy_transparent_address(params, conn, account)?
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{
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ret.insert(taddr, AddressMetadata::new(account, diversifier_index));
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if let Some((taddr, child_index)) = get_legacy_transparent_address(params, conn, account)? {
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ret.insert(
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taddr,
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Some(TransparentAddressMetadata::new(
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Scope::External,
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child_index,
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)),
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);
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}
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Ok(ret)
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|
@ -400,7 +418,7 @@ pub(crate) fn get_legacy_transparent_address<P: consensus::Parameters>(
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params: &P,
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conn: &rusqlite::Connection,
|
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account: AccountId,
|
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) -> Result<Option<(TransparentAddress, DiversifierIndex)>, SqliteClientError> {
|
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) -> Result<Option<(TransparentAddress, NonHardenedChildIndex)>, SqliteClientError> {
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// Get the UFVK for the account.
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let ufvk_str: Option<String> = conn
|
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.query_row(
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|
@ -418,10 +436,7 @@ pub(crate) fn get_legacy_transparent_address<P: consensus::Parameters>(
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ufvk.transparent()
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.map(|tfvk| {
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tfvk.derive_external_ivk()
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.map(|tivk| {
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let (taddr, child_index) = tivk.default_address();
|
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(taddr, DiversifierIndex::from(child_index))
|
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})
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.map(|tivk| tivk.default_address())
|
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.map_err(SqliteClientError::HdwalletError)
|
||||
})
|
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.transpose()
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|
|
|
@ -396,7 +396,9 @@ mod tests {
|
|||
#[cfg(feature = "transparent-inputs")]
|
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fn migrate_from_wm2() {
|
||||
use zcash_client_backend::keys::UnifiedAddressRequest;
|
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use zcash_primitives::transaction::components::amount::NonNegativeAmount;
|
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use zcash_primitives::{
|
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legacy::NonHardenedChildIndex, transaction::components::amount::NonNegativeAmount,
|
||||
};
|
||||
|
||||
use crate::UA_TRANSPARENT;
|
||||
|
||||
|
@ -450,7 +452,7 @@ mod tests {
|
|||
.and_then(|k| {
|
||||
k.derive_external_ivk()
|
||||
.ok()
|
||||
.map(|k| k.derive_address(0).unwrap())
|
||||
.map(|k| k.derive_address(NonHardenedChildIndex::ZERO).unwrap())
|
||||
})
|
||||
.map(|a| a.encode(&network));
|
||||
|
||||
|
|
|
@ -292,13 +292,13 @@ mod tests {
|
|||
use zcash_primitives::{
|
||||
block::BlockHash,
|
||||
consensus::{BlockHeight, Network, NetworkUpgrade, Parameters},
|
||||
legacy::keys::IncomingViewingKey,
|
||||
legacy::{keys::IncomingViewingKey, NonHardenedChildIndex},
|
||||
memo::MemoBytes,
|
||||
transaction::{
|
||||
builder::{BuildConfig, BuildResult, Builder},
|
||||
components::amount::NonNegativeAmount,
|
||||
components::{amount::NonNegativeAmount, transparent},
|
||||
fees::fixed,
|
||||
},
|
||||
transaction::{components::transparent, fees::fixed},
|
||||
zip32::{AccountId, Scope},
|
||||
};
|
||||
use zcash_proofs::prover::LocalTxProver;
|
||||
|
@ -354,7 +354,9 @@ mod tests {
|
|||
);
|
||||
builder
|
||||
.add_transparent_input(
|
||||
usk0.transparent().derive_external_secret_key(0).unwrap(),
|
||||
usk0.transparent()
|
||||
.derive_external_secret_key(NonHardenedChildIndex::ZERO)
|
||||
.unwrap(),
|
||||
transparent::OutPoint::new([1; 32], 0),
|
||||
transparent::TxOut {
|
||||
value: NonNegativeAmount::const_from_u64(EXTERNAL_VALUE + INTERNAL_VALUE),
|
||||
|
|
|
@ -44,3 +44,7 @@ The entries below are relative to the `zcash_client_backend` crate as of
|
|||
`transparent-inputs` feature is enabled.
|
||||
- `UnifiedFullViewingKey::new` no longer takes an Orchard full viewing key
|
||||
argument unless the `orchard` feature is enabled.
|
||||
|
||||
### Removed
|
||||
- `zcash_keys::address::AddressMetadata` has been moved to
|
||||
`zcash_client_backend::data_api::TransparentAddressMetadata` and fields changed.
|
||||
|
|
|
@ -7,33 +7,7 @@ use zcash_address::{
|
|||
unified::{self, Container, Encoding},
|
||||
ConversionError, Network, ToAddress, TryFromRawAddress, ZcashAddress,
|
||||
};
|
||||
use zcash_primitives::{
|
||||
consensus,
|
||||
legacy::TransparentAddress,
|
||||
zip32::{AccountId, DiversifierIndex},
|
||||
};
|
||||
|
||||
pub struct AddressMetadata {
|
||||
account: AccountId,
|
||||
diversifier_index: DiversifierIndex,
|
||||
}
|
||||
|
||||
impl AddressMetadata {
|
||||
pub fn new(account: AccountId, diversifier_index: DiversifierIndex) -> Self {
|
||||
Self {
|
||||
account,
|
||||
diversifier_index,
|
||||
}
|
||||
}
|
||||
|
||||
pub fn account(&self) -> AccountId {
|
||||
self.account
|
||||
}
|
||||
|
||||
pub fn diversifier_index(&self) -> &DiversifierIndex {
|
||||
&self.diversifier_index
|
||||
}
|
||||
}
|
||||
use zcash_primitives::{consensus, legacy::TransparentAddress};
|
||||
|
||||
/// A Unified Address.
|
||||
#[derive(Clone, Debug, PartialEq, Eq)]
|
||||
|
|
|
@ -7,6 +7,9 @@ use zcash_primitives::{
|
|||
|
||||
use crate::address::UnifiedAddress;
|
||||
|
||||
#[cfg(feature = "transparent-inputs")]
|
||||
use zcash_primitives::legacy::NonHardenedChildIndex;
|
||||
|
||||
#[cfg(feature = "transparent-inputs")]
|
||||
use {
|
||||
std::convert::TryInto,
|
||||
|
@ -68,13 +71,13 @@ pub mod sapling {
|
|||
}
|
||||
|
||||
#[cfg(feature = "transparent-inputs")]
|
||||
fn to_transparent_child_index(j: DiversifierIndex) -> Option<u32> {
|
||||
fn to_transparent_child_index(j: DiversifierIndex) -> Option<NonHardenedChildIndex> {
|
||||
let (low_4_bytes, rest) = j.as_bytes().split_at(4);
|
||||
let transparent_j = u32::from_le_bytes(low_4_bytes.try_into().unwrap());
|
||||
if transparent_j > (0x7FFFFFFF) || rest.iter().any(|b| b != &0) {
|
||||
if rest.iter().any(|b| b != &0) {
|
||||
None
|
||||
} else {
|
||||
Some(transparent_j)
|
||||
NonHardenedChildIndex::from_index(transparent_j)
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -388,7 +391,7 @@ impl UnifiedSpendingKey {
|
|||
}
|
||||
|
||||
#[cfg(all(feature = "test-dependencies", feature = "transparent-inputs"))]
|
||||
pub fn default_transparent_address(&self) -> (TransparentAddress, u32) {
|
||||
pub fn default_transparent_address(&self) -> (TransparentAddress, NonHardenedChildIndex) {
|
||||
self.transparent()
|
||||
.to_account_pubkey()
|
||||
.derive_external_ivk()
|
||||
|
@ -812,13 +815,15 @@ mod tests {
|
|||
#[cfg(feature = "transparent-inputs")]
|
||||
#[test]
|
||||
fn pk_to_taddr() {
|
||||
use zcash_primitives::legacy::NonHardenedChildIndex;
|
||||
|
||||
let taddr =
|
||||
legacy::keys::AccountPrivKey::from_seed(&MAIN_NETWORK, &seed(), AccountId::ZERO)
|
||||
.unwrap()
|
||||
.to_account_pubkey()
|
||||
.derive_external_ivk()
|
||||
.unwrap()
|
||||
.derive_address(0)
|
||||
.derive_address(NonHardenedChildIndex::ZERO)
|
||||
.unwrap()
|
||||
.encode(&MAIN_NETWORK);
|
||||
assert_eq!(taddr, "t1PKtYdJJHhc3Pxowmznkg7vdTwnhEsCvR4".to_string());
|
||||
|
|
|
@ -7,6 +7,7 @@ and this library adheres to Rust's notion of
|
|||
|
||||
## [Unreleased]
|
||||
### Added
|
||||
- `zcash_primitives::legacy::keys::NonHardenedChildIndex`
|
||||
- Dependency on `bellman 0.14`.
|
||||
- `zcash_primitives::consensus::sapling_zip212_enforcement`
|
||||
- `zcash_primitives::transaction`:
|
||||
|
@ -126,6 +127,7 @@ and this library adheres to Rust's notion of
|
|||
- `zcash_client_backend` changes related to `local-consensus` feature:
|
||||
- added tests that verify `zip321` supports Payment URIs with `Local(P)`
|
||||
network parameters.
|
||||
- `zcash_primitives::legacy::keys::derive_external_secret_key` parameter type changed from `u32` to `NonHardenedChildIndex`.
|
||||
|
||||
### Removed
|
||||
- `zcash_primitives::constants`:
|
||||
|
|
|
@ -6,6 +6,11 @@ use std::fmt;
|
|||
use std::io::{self, Read, Write};
|
||||
use std::ops::Shl;
|
||||
|
||||
#[cfg(feature = "transparent-inputs")]
|
||||
use hdwallet::KeyIndex;
|
||||
|
||||
use subtle::{Choice, ConstantTimeEq};
|
||||
|
||||
use zcash_encoding::Vector;
|
||||
|
||||
#[cfg(feature = "transparent-inputs")]
|
||||
|
@ -402,6 +407,63 @@ impl TransparentAddress {
|
|||
}
|
||||
}
|
||||
|
||||
/// A child index for a derived transparent address.
|
||||
///
|
||||
/// Only NON-hardened derivation is supported.
|
||||
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
|
||||
pub struct NonHardenedChildIndex(u32);
|
||||
|
||||
impl ConstantTimeEq for NonHardenedChildIndex {
|
||||
fn ct_eq(&self, other: &Self) -> Choice {
|
||||
self.0.ct_eq(&other.0)
|
||||
}
|
||||
}
|
||||
|
||||
impl NonHardenedChildIndex {
|
||||
pub const ZERO: NonHardenedChildIndex = NonHardenedChildIndex(0);
|
||||
|
||||
/// Parses the given ZIP 32 child index.
|
||||
///
|
||||
/// Returns `None` if the hardened bit is set.
|
||||
pub fn from_index(i: u32) -> Option<Self> {
|
||||
if i < (1 << 31) {
|
||||
Some(NonHardenedChildIndex(i))
|
||||
} else {
|
||||
None
|
||||
}
|
||||
}
|
||||
|
||||
/// Returns the index as a 32-bit integer.
|
||||
pub fn index(&self) -> u32 {
|
||||
self.0
|
||||
}
|
||||
|
||||
pub fn next(&self) -> Option<Self> {
|
||||
// overflow cannot happen because self.0 is 31 bits, and the next index is at most 32 bits
|
||||
// which in that case would lead from_index to return None.
|
||||
Self::from_index(self.0 + 1)
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(feature = "transparent-inputs")]
|
||||
impl TryFrom<KeyIndex> for NonHardenedChildIndex {
|
||||
type Error = ();
|
||||
|
||||
fn try_from(value: KeyIndex) -> Result<Self, Self::Error> {
|
||||
match value {
|
||||
KeyIndex::Normal(i) => NonHardenedChildIndex::from_index(i).ok_or(()),
|
||||
KeyIndex::Hardened(_) => Err(()),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(feature = "transparent-inputs")]
|
||||
impl From<NonHardenedChildIndex> for KeyIndex {
|
||||
fn from(value: NonHardenedChildIndex) -> Self {
|
||||
Self::Normal(value.index())
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(any(test, feature = "test-dependencies"))]
|
||||
pub mod testing {
|
||||
use proptest::prelude::{any, prop_compose};
|
||||
|
@ -417,7 +479,9 @@ pub mod testing {
|
|||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::{OpCode, Script, TransparentAddress};
|
||||
use super::{NonHardenedChildIndex, OpCode, Script, TransparentAddress};
|
||||
use hdwallet::KeyIndex;
|
||||
use subtle::ConstantTimeEq;
|
||||
|
||||
#[test]
|
||||
fn script_opcode() {
|
||||
|
@ -484,4 +548,55 @@ mod tests {
|
|||
);
|
||||
assert_eq!(addr.script().address(), Some(addr));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn nonhardened_indexes_accepted() {
|
||||
assert_eq!(0, NonHardenedChildIndex::from_index(0).unwrap().index());
|
||||
assert_eq!(
|
||||
0x7fffffff,
|
||||
NonHardenedChildIndex::from_index(0x7fffffff)
|
||||
.unwrap()
|
||||
.index()
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn hardened_indexes_rejected() {
|
||||
assert!(NonHardenedChildIndex::from_index(0x80000000).is_none());
|
||||
assert!(NonHardenedChildIndex::from_index(0xffffffff).is_none());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn nonhardened_index_next() {
|
||||
assert_eq!(1, NonHardenedChildIndex::ZERO.next().unwrap().index());
|
||||
assert!(NonHardenedChildIndex::from_index(0x7fffffff)
|
||||
.unwrap()
|
||||
.next()
|
||||
.is_none());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn nonhardened_index_ct_eq() {
|
||||
assert!(check(
|
||||
NonHardenedChildIndex::ZERO,
|
||||
NonHardenedChildIndex::ZERO
|
||||
));
|
||||
assert!(!check(
|
||||
NonHardenedChildIndex::ZERO,
|
||||
NonHardenedChildIndex::ZERO.next().unwrap()
|
||||
));
|
||||
|
||||
fn check<T: ConstantTimeEq>(v1: T, v2: T) -> bool {
|
||||
v1.ct_eq(&v2).into()
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
#[cfg(feature = "transparent-inputs")]
|
||||
fn nonhardened_index_tryfrom_keyindex() {
|
||||
let nh: NonHardenedChildIndex = KeyIndex::Normal(0).try_into().unwrap();
|
||||
assert_eq!(nh.index(), 0);
|
||||
|
||||
assert!(NonHardenedChildIndex::try_from(KeyIndex::Hardened(0)).is_err());
|
||||
}
|
||||
}
|
||||
|
|
|
@ -10,9 +10,7 @@ use zcash_spec::PrfExpand;
|
|||
|
||||
use crate::{consensus, zip32::AccountId};
|
||||
|
||||
use super::TransparentAddress;
|
||||
|
||||
const MAX_TRANSPARENT_CHILD_INDEX: u32 = 0x7FFFFFFF;
|
||||
use super::{NonHardenedChildIndex, TransparentAddress};
|
||||
|
||||
/// A [BIP44] private key at the account path level `m/44'/<coin_type>'/<account>'`.
|
||||
///
|
||||
|
@ -50,11 +48,11 @@ impl AccountPrivKey {
|
|||
/// `m/44'/<coin_type>'/<account>'/0/<child_index>`.
|
||||
pub fn derive_external_secret_key(
|
||||
&self,
|
||||
child_index: u32,
|
||||
child_index: NonHardenedChildIndex,
|
||||
) -> Result<secp256k1::SecretKey, hdwallet::error::Error> {
|
||||
self.0
|
||||
.derive_private_key(KeyIndex::Normal(0))?
|
||||
.derive_private_key(KeyIndex::Normal(child_index))
|
||||
.derive_private_key(child_index.into())
|
||||
.map(|k| k.private_key)
|
||||
}
|
||||
|
||||
|
@ -186,30 +184,31 @@ pub trait IncomingViewingKey: private::SealedChangeLevelKey + std::marker::Sized
|
|||
#[allow(deprecated)]
|
||||
fn derive_address(
|
||||
&self,
|
||||
child_index: u32,
|
||||
child_index: NonHardenedChildIndex,
|
||||
) -> Result<TransparentAddress, hdwallet::error::Error> {
|
||||
let child_key = self
|
||||
.extended_pubkey()
|
||||
.derive_public_key(KeyIndex::Normal(child_index))?;
|
||||
.derive_public_key(child_index.into())?;
|
||||
Ok(pubkey_to_address(&child_key.public_key))
|
||||
}
|
||||
|
||||
/// Searches the space of child indexes for an index that will
|
||||
/// generate a valid transparent address, and returns the resulting
|
||||
/// address and the index at which it was generated.
|
||||
fn default_address(&self) -> (TransparentAddress, u32) {
|
||||
let mut child_index = 0;
|
||||
while child_index <= MAX_TRANSPARENT_CHILD_INDEX {
|
||||
fn default_address(&self) -> (TransparentAddress, NonHardenedChildIndex) {
|
||||
let mut child_index = NonHardenedChildIndex::ZERO;
|
||||
loop {
|
||||
match self.derive_address(child_index) {
|
||||
Ok(addr) => {
|
||||
return (addr, child_index);
|
||||
}
|
||||
Err(_) => {
|
||||
child_index += 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
child_index = child_index.next().unwrap_or_else(|| {
|
||||
panic!("Exhausted child index space attempting to find a default address.");
|
||||
});
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn serialize(&self) -> Vec<u8> {
|
||||
|
|
|
@ -950,6 +950,7 @@ mod tests {
|
|||
#[cfg(feature = "transparent-inputs")]
|
||||
fn binding_sig_absent_if_no_shielded_spend_or_output() {
|
||||
use crate::consensus::NetworkUpgrade;
|
||||
use crate::legacy::NonHardenedChildIndex;
|
||||
use crate::transaction::builder::{self, TransparentBuilder};
|
||||
|
||||
let sapling_activation_height = TEST_NETWORK
|
||||
|
@ -984,13 +985,14 @@ mod tests {
|
|||
.to_account_pubkey()
|
||||
.derive_external_ivk()
|
||||
.unwrap()
|
||||
.derive_address(0)
|
||||
.derive_address(NonHardenedChildIndex::ZERO)
|
||||
.unwrap()
|
||||
.script(),
|
||||
};
|
||||
builder
|
||||
.add_transparent_input(
|
||||
tsk.derive_external_secret_key(0).unwrap(),
|
||||
tsk.derive_external_secret_key(NonHardenedChildIndex::ZERO)
|
||||
.unwrap(),
|
||||
OutPoint::new([0u8; 32], 1),
|
||||
prev_coin,
|
||||
)
|
||||
|
|
Loading…
Reference in New Issue