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Add implementation of Sapling merkle tree

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This commit is contained in:
Sean Bowe
2018-04-14 22:33:41 -06:00
parent a7cbb8475f
commit 2b002a7e60
3 changed files with 55 additions and 0 deletions
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20
src/zcash/IncrementalMerkleTree.hpp
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@@ -224,6 +224,20 @@ public:
}
};
class PedersenHash : public uint256 {
public:
PedersenHash() : uint256() {}
PedersenHash(uint256 contents) : uint256(contents) { }
static PedersenHash combine(
const PedersenHash& a,
const PedersenHash& b,
size_t depth
);
static PedersenHash uncommitted();
};
template<size_t Depth, typename Hash>
EmptyMerkleRoots<Depth, Hash> IncrementalMerkleTree<Depth, Hash>::emptyroots;
@@ -235,4 +249,10 @@ typedef libzcash::IncrementalMerkleTree<INCREMENTAL_MERKLE_TREE_DEPTH_TESTING, l
typedef libzcash::IncrementalWitness<INCREMENTAL_MERKLE_TREE_DEPTH, libzcash::SHA256Compress> ZCIncrementalWitness;
typedef libzcash::IncrementalWitness<INCREMENTAL_MERKLE_TREE_DEPTH_TESTING, libzcash::SHA256Compress> ZCTestingIncrementalWitness;
typedef libzcash::IncrementalMerkleTree<SAPLING_INCREMENTAL_MERKLE_TREE_DEPTH, libzcash::PedersenHash> ZCSaplingIncrementalMerkleTree;
typedef libzcash::IncrementalMerkleTree<INCREMENTAL_MERKLE_TREE_DEPTH_TESTING, libzcash::PedersenHash> ZCSaplingTestingIncrementalMerkleTree;
typedef libzcash::IncrementalWitness<SAPLING_INCREMENTAL_MERKLE_TREE_DEPTH, libzcash::PedersenHash> ZCSaplingIncrementalWitness;
typedef libzcash::IncrementalWitness<INCREMENTAL_MERKLE_TREE_DEPTH_TESTING, libzcash::PedersenHash> ZCSaplingTestingIncrementalWitness;
#endif /* ZC_INCREMENTALMERKLETREE_H_ */