Merge pull request #979 from nuttycom/wallet/doc_updates
zcash_client_backend: Update API documentation.
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6eb4df973d
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@ -257,7 +257,11 @@ pub trait WalletRead {
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/// tree size information for each block; or else the scan is likely to fail if notes belonging
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/// to the wallet are detected.
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///
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/// The returned range(s) may include block heights beyond the current chain tip.
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/// The returned range(s) may include block heights beyond the current chain tip. Ranges are
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/// returned in order of descending priority, and higher-priority ranges should always be
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/// scanned before lower-priority ranges; in particular, ranges with [`ScanPriority::Verify`]
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/// priority must always be scanned first in order to avoid blockchain continuity errors in the
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/// case of a reorg.
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///
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/// [`CompactBlock`]: crate::proto::compact_formats::CompactBlock
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fn suggest_scan_ranges(&self) -> Result<Vec<ScanRange>, Self::Error>;
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@ -452,6 +456,7 @@ pub struct ScannedBlock<Nf> {
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}
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impl<Nf> ScannedBlock<Nf> {
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/// Constructs a new `ScannedBlock`
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pub fn from_parts(
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metadata: BlockMetadata,
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block_time: u32,
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@ -468,34 +473,53 @@ impl<Nf> ScannedBlock<Nf> {
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}
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}
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/// Returns the height of the block that was scanned.
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pub fn height(&self) -> BlockHeight {
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self.metadata.block_height
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}
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/// Returns the block hash of the block that was scanned.
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pub fn block_hash(&self) -> BlockHash {
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self.metadata.block_hash
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}
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/// Returns the block time of the block that was scanned, as a Unix timestamp in seconds.
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pub fn block_time(&self) -> u32 {
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self.block_time
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}
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/// Returns the metadata describing the state of the note commitment trees as of the end of the
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/// scanned block.
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///
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/// The metadata returned from this method is guaranteed to be consistent with what is returned
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/// by [`Self::height`] and [`Self::block_hash`].
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pub fn metadata(&self) -> &BlockMetadata {
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&self.metadata
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}
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/// Returns the list of transactions from the block that are relevant to the wallet.
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pub fn transactions(&self) -> &[WalletTx<Nf>] {
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&self.transactions
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}
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/// Returns the vector of Sapling nullifiers for each transaction in the block.
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///
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/// The returned tuple is keyed by both transaction ID and the index of the transaction within
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/// the block, so that either the txid or the combination of the block hash available from
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/// [`Self::block_hash`] and returned transaction index may be used to uniquely identify the
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/// transaction, depending upon the needs of the caller.
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pub fn sapling_nullifier_map(&self) -> &[(TxId, u16, Vec<sapling::Nullifier>)] {
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&self.sapling_nullifier_map
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}
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/// Returns the ordered list of Sapling note commitments to be added to the note commitment
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/// tree.
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pub fn sapling_commitments(&self) -> &[(sapling::Node, Retention<BlockHeight>)] {
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&self.sapling_commitments
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}
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/// Consumes `self` and returns the list of Sapling note commitments associated with the
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/// scanned block as an owned value.
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pub fn into_sapling_commitments(self) -> Vec<(sapling::Node, Retention<BlockHeight>)> {
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self.sapling_commitments
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}
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