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Functions to create and manage Orchard commitment trees #99

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pitmutt merged 30 commits from rav001 into milestone2 2024-11-05 18:28:46 +00:00
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1 changed files with 23 additions and 17 deletions
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librustzcash-wrapper/src/lib.rs
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@ -1590,26 +1590,32 @@ pub extern "C" fn rust_wrapper_combine_orchard_nodes(
){
let left_in: Vec<u8> = marshall_from_haskell_var(left, left_len, RW);
let right_in: Vec<u8> = marshall_from_haskell_var(right, right_len, RW);
let left_node = MerkleHashOrchard::from_bytes(&to_array(left_in));
if left_node.is_some().into() {
if right_in.len() > 1 {
let right_node = MerkleHashOrchard::from_bytes(&to_array(right_in));
if right_node.is_some().into() {
let n = MerkleHashOrchard::combine(Level::new(level), &left_node.unwrap(), &right_node.unwrap());
let h = Hhex { bytes: n.to_bytes().to_vec() };
marshall_to_haskell_var(&h, out, out_len, RW);
} else {
let h0 = Hhex { bytes: vec![0] };
marshall_to_haskell_var(&h0, out, out_len, RW);
}
} else {
let n = MerkleHashOrchard::combine(Level::new(level), &left_node.unwrap(), &MerkleHashOrchard::empty_leaf());
if left_in.len() > 1 {
let n = MerkleHashOrchard::combine(Level::new(level), &MerkleHashOrchard::empty_leaf(), &MerkleHashOrchard::empty_leaf());
let h = Hhex { bytes: n.to_bytes().to_vec() };
marshall_to_haskell_var(&h, out, out_len, RW);
}
} else {
let h0 = Hhex { bytes: vec![0] };
marshall_to_haskell_var(&h0, out, out_len, RW);
let left_node = MerkleHashOrchard::from_bytes(&to_array(left_in));
if left_node.is_some().into() {
if right_in.len() > 1 {
let right_node = MerkleHashOrchard::from_bytes(&to_array(right_in));
if right_node.is_some().into() {
let n = MerkleHashOrchard::combine(Level::new(level), &left_node.unwrap(), &right_node.unwrap());
let h = Hhex { bytes: n.to_bytes().to_vec() };
marshall_to_haskell_var(&h, out, out_len, RW);
} else {
let h0 = Hhex { bytes: vec![0] };
marshall_to_haskell_var(&h0, out, out_len, RW);
}
} else {
let n = MerkleHashOrchard::combine(Level::new(level), &left_node.unwrap(), &MerkleHashOrchard::empty_leaf());
let h = Hhex { bytes: n.to_bytes().to_vec() };
marshall_to_haskell_var(&h, out, out_len, RW);
}
} else {
let h0 = Hhex { bytes: vec![0] };
marshall_to_haskell_var(&h0, out, out_len, RW);
}
}
}