Whoops forgot to add sprout::NoteTreeRootHash
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//! Note Commitment Trees.
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//!
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//! A note commitment tree is an incremental Merkle tree of fixed depth
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//! used to store note commitments that JoinSplit transfers or Spend
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//! transfers produce. Just as the unspent transaction output set (UTXO
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//! set) used in Bitcoin, it is used to express the existence of value and
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//! the capability to spend it. However, unlike the UTXO set, it is not
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//! the job of this tree to protect against double-spending, as it is
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//! append-only.
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//!
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//! A root of a note commitment tree is associated with each treestate.
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#![allow(clippy::unit_arg)]
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use std::fmt;
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#[cfg(test)]
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use proptest_derive::Arbitrary;
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/// Sprout note commitment tree root node hash.
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///
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/// The root hash in LEBS2OSP256(rt) encoding of the Sprout note
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/// commitment tree corresponding to the final Sprout treestate of
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/// this block. A root of a note commitment tree is associated with
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/// each treestate.
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#[derive(Clone, Copy, Default, Eq, PartialEq, Serialize, Deserialize)]
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#[cfg_attr(test, derive(Arbitrary))]
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pub struct NoteTreeRootHash([u8; 32]);
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impl fmt::Debug for NoteTreeRootHash {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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f.debug_tuple("SproutNoteTreeRootHash")
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.field(&hex::encode(&self.0))
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.finish()
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}
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}
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impl From<[u8; 32]> for NoteTreeRootHash {
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fn from(bytes: [u8; 32]) -> NoteTreeRootHash {
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Self(bytes)
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}
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}
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impl From<NoteTreeRootHash> for [u8; 32] {
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fn from(rt: NoteTreeRootHash) -> [u8; 32] {
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rt.0
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}
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}
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