zebra-chain 6.0.2

Core Zcash data structures
Documentation 
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// From https://github.com/zcash/zcash/blob/master/src/zcash/IncrementalMerkleTree.cpp#L439
pub const HEX_EMPTY_ROOTS: [&str; 30] = [
    "0000000000000000000000000000000000000000000000000000000000000000",
    "da5698be17b9b46962335799779fbeca8ce5d491c0d26243bafef9ea1837a9d8",
    "dc766fab492ccf3d1e49d4f374b5235fa56506aac2224d39f943fcd49202974c",
    "3f0a406181105968fdaee30679e3273c66b72bf9a7f5debbf3b5a0a26e359f92",
    "26b0052694fc42fdff93e6fb5a71d38c3dd7dc5b6ad710eb048c660233137fab",
    "0109ecc0722659ff83450b8f7b8846e67b2859f33c30d9b7acd5bf39cae54e31",
    "3f909b8ce3d7ffd8a5b30908f605a03b0db85169558ddc1da7bbbcc9b09fd325",
    "40460fa6bc692a06f47521a6725a547c028a6a240d8409f165e63cb54da2d23f",
    "8c085674249b43da1b9a31a0e820e81e75f342807b03b6b9e64983217bc2b38e",
    "a083450c1ba2a3a7be76fad9d13bc37be4bf83bd3e59fc375a36ba62dc620298",
    "1ddddabc2caa2de9eff9e18c8c5a39406d7936e889bc16cfabb144f5c0022682",
    "c22d8f0b5e4056e5f318ba22091cc07db5694fbeb5e87ef0d7e2c57ca352359e",
    "89a434ae1febd7687eceea21d07f20a2512449d08ce2eee55871cdb9d46c1233",
    "7333dbffbd11f09247a2b33a013ec4c4342029d851e22ba485d4461851370c15",
    "5dad844ab9466b70f745137195ca221b48f346abd145fb5efc23a8b4ba508022",
    "507e0dae81cbfbe457fd370ef1ca4201c2b6401083ddab440e4a038dc1e358c4",
    "bdcdb3293188c9807d808267018684cfece07ac35a42c00f2c79b4003825305d",
    "bab5800972a16c2c22530c66066d0a5867e987bed21a6d5a450b683cf1cfd709",
    "11aa0b4ad29b13b057a31619d6500d636cd735cdd07d811ea265ec4bcbbbd058",
    "5145b1b055c2df02b95675e3797b91de1b846d25003c0a803d08900728f2cd6a",
    "0323f2850bf3444f4b4c5c09a6057ec7169190f45acb9e46984ab3dfcec4f06a",
    "671546e26b1da1af754531e26d8a6a51073a57ddd72dc472efb43fcb257cffff",
    "bb23a9bba56de57cb284b0d2b01c642cf79c9a5563f0067a21292412145bd78a",
    "f30cc836b9f71b4e7ee3c72b1fd253268af9a27e9d7291a23d02821b21ddfd16",
    "58a2753dade103cecbcda50b5ebfce31e12d41d5841dcc95620f7b3d50a1b9a1",
    "925e6d474a5d8d3004f29da0dd78d30ae3824ce79dfe4934bb29ec3afaf3d521",
    "08f279618616bcdd4eadc9c7a9062691a59b43b07e2c1e237f17bd189cd6a8fe",
    "c92b32db42f42e2bf0a59df9055be5c669d3242df45357659b75ae2c27a76f50",
    "c0db2a74998c50eb7ba6534f6d410efc27c4bb88acb0222c7906ea28a327b511",
    "d7c612c817793191a1e68652121876d6b3bde40f4fa52bc314145ce6e5cdd259",
];
// From https://github.com/zcash/zcash/blob/master/src/test/data/merkle_commitments.json
// Byte-reversed from those ones because the original test vectors are
// loaded using uint256S()
pub const COMMITMENTS: [&str; 16] = [
    "62fdad9bfbf17c38ea626a9c9b8af8a748e6b4367c8494caf0ca592999e8b6ba",
    "68eb35bc5e1ddb80a761718e63a1ecf4d4977ae22cc19fa732b85515b2a4c943",
    "836045484077cf6390184ea7cd48b460e2d0f22b2293b69633bb152314a692fb",
    "92498a8295ea36d593eaee7cb8b55be3a3e37b8185d3807693184054cd574ae4",
    "ff7c360374a6508ae0904c782127ff5dce90918f3ee81cf92ef1b69afb8bf443",
    "68c4d0f69d1f18b756c2ee875c14f1c6cd38682e715ded14bf7e3c1c5610e9fc",
    "8b16cd3ec44875e4856e30344c0b4a68a6f929a68be5117b225b80926301e7b1",
    "50c0b43061c39191c3ec529734328b7f9cafeb6fd162cc49a4495442d9499a2d",
    "70ffdd5fa0f3aea18bd4700f1ac2e2e03cf5d4b7b857e8dd93b862a8319b9653",
    "d81ef64a0063573d80cd32222d8d04debbe807345ad7af2e9edf0f44bdfaf817",
    "8b92a4ec694271fe1b16cc0ea8a433bf19e78eb5ca733cc137f38e5ecb05789b",
    "04e963ab731e4aaaaaf931c3c039ea8c9d7904163936e19a8929434da9adeba3",
    "be3f6c181f162824191ecf1f78cae3ffb0ddfda671bb93277ce6ebc9201a0912",
    "1880967fc8226380a849c63532bba67990f7d0a10e9c90b848f58d634957c6e9",
    "c465bb2893cba233351094f259396301c23d73a6cf6f92bc63428a43f0dd8f8e",
    "84c834e7cb38d6f08d82f5cf4839b8920185174b11c7af771fd38dd02b206a20",
];

// Calculated by the above implementation for MERKLE_DEPTH = 29 by the
// same code confirmed to produce the test vectors from
// https://github.com/zcash/zcash/blob/master/src/test/data/merkle_roots.json
// when MERKLE_DEPTH = 4.
pub const ROOTS: [&str; 16] = [
    "b8e10b6c157be92c43a733e2c9bddb963a2fb9ea80ebcb307acdcc5fc89f1656",
    "83a7754b8240699dd1b63bf70cf70db28ffeb74ef87ce2f4dd32c28ae5009f4f",
    "c45297124f50dcd3f78eed017afd1e30764cd74cdf0a57751978270fd0721359",
    "b61f588fcba9cea79e94376adae1c49583f716d2f20367141f1369a235b95c98",
    "a3165c1708f0cc028014b9bf925a81c30091091ca587624de853260cd151b524",
    "6bb8c538c550abdd26baa2a7510a4ae50a03dc00e52818b9db3e4ffaa29c1f41",
    "e04e4731085ba95e3fa7c8f3d5eb9a56af63363403b783bc68802629c3fe505b",
    "c3714ab74d8e3984e8b58a2b4806934d20f6e67d7246cf8f5b2762305294a0ea",
    "63657edeead4bc45610b6d5eb80714a0622aad5788119b7d9961453e3aacda21",
    "e31b80819221718440c5351525dbb902d60ed16b74865a2528510959a1960077",
    "872f13df2e12f5503c39100602930b0f91ea360e5905a9f5ceb45d459efc36b2",
    "bdd7105febb3590832e946aa590d07377d1366cf5e7267507efa399dd0febdbc",
    "0f45f4adcb846a8bb56833ca0cae96f2fb8747958daa191a46d0f9d93268260a",
    "41c6e456e2192ab74f72cb27c444a2734ca8ade5a4788c1bc2546118dda01778",
    "8261355fd9bafc52a08d738fed29a859fbe15f2e74a5353954b150be200d0e16",
    "90665cb8a43001f0655169952399590cd17f99165587c1dd842eb674fb9f0afe",
];

/// Empty (unused) Sprout note commitment tree leaf node.
///
/// Uncommitted^Sprout = \[0\]^(l^Sprout_Merkle).
///
/// <https://zips.z.cash/protocol/protocol.pdf#constants>
pub const EMPTY_LEAF: [u8; 32] = [0; 32];