CHANGELOG.md

@@ -15,6 +15,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Implementations of `Read` for types
 - Function to make RPC calls to `zebrad`
 - Function to encode unified addresses from receivers
+- Function to generate an Orchard spending key
+- Constants for Zcash protocol
 
 ### Changed
 

librustzcash-wrapper/Cargo.lock

@@ -58,12 +58,6 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
-[[package]]
-name = "base-x"
-version = "0.2.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4cbbc9d0964165b47557570cce6c952866c2678457aca742aafc9fb771d30270"
-
 [[package]]
 name = "base64"
 version = "0.21.2"
@@ -123,6 +117,12 @@ version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
+[[package]]
+name = "bitflags"
+version = "2.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed570934406eb16438a4e976b1b4500774099c13b8cb96eec99f620f05090ddf"
+
 [[package]]
 name = "bitvec"
 version = "1.0.1"
@@ -288,10 +288,14 @@ dependencies = [
 ]
 
 [[package]]
-name = "bumpalo"
+name = "bs58"
-version = "3.13.0"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a3e2c3daef883ecc1b5d58c15adae93470a91d425f3532ba1695849656af3fc1"
+checksum = "f5353f36341f7451062466f0b755b96ac3a9547e4d7f6b70d603fc721a7d7896"
+dependencies = [
+ "sha2 0.10.6",
+ "tinyvec",
+]
 
 [[package]]
 name = "byteorder"
@@ -361,12 +365,6 @@ dependencies = [
  "zeroize",
 ]
 
-[[package]]
-name = "const_fn"
-version = "0.4.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fbdcdcb6d86f71c5e97409ad45898af11cbc995b4ee8112d59095a28d376c935"
-
 [[package]]
 name = "constant_time_eq"
 version = "0.2.5"
@@ -441,6 +439,15 @@ dependencies = [
  "typenum",
 ]
 
+[[package]]
+name = "deranged"
+version = "0.3.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b42b6fa04a440b495c8b04d0e71b707c585f83cb9cb28cf8cd0d976c315e31b4"
+dependencies = [
+ "powerfmt",
+]
+
 [[package]]
 name = "digest"
 version = "0.9.0"
@@ -461,12 +468,6 @@ dependencies = [
  "subtle",
 ]
 
-[[package]]
-name = "discard"
-version = "1.0.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "212d0f5754cb6769937f4501cc0e67f4f4483c8d2c3e1e922ee9edbe4ab4c7c0"
-
 [[package]]
 name = "either"
 version = "1.8.1"
@@ -710,11 +711,11 @@ dependencies = [
 
 [[package]]
 name = "incrementalmerkletree"
-version = "0.3.1"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d5ad43a3f5795945459d577f6589cf62a476e92c79b75e70cd954364e14ce17b"
+checksum = "361c467824d4d9d4f284be4b2608800839419dccc4d4608f28345237fe354623"
 dependencies = [
- "serde",
+ "either",
 ]
 
 [[package]]
@@ -765,12 +766,6 @@ dependencies = [
  "either",
 ]
 
-[[package]]
-name = "itoa"
-version = "1.0.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "453ad9f582a441959e5f0d088b02ce04cfe8d51a8eaf077f12ac6d3e94164ca6"
-
 [[package]]
 name = "jubjub"
 version = "0.10.0"
@@ -891,6 +886,12 @@ dependencies = [
  "num-traits",
 ]
 
+[[package]]
+name = "num-conv"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "51d515d32fb182ee37cda2ccdcb92950d6a3c2893aa280e540671c2cd0f3b1d9"
+
 [[package]]
 name = "num-integer"
 version = "0.1.45"
@@ -934,9 +935,9 @@ checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
 
 [[package]]
 name = "orchard"
-version = "0.4.0"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2c6f418f2c25573923f81a091f38b4b19bc20f6c92b5070fb8f0711e64a2b998"
+checksum = "5d31e68534df32024dcc89a8390ec6d7bef65edd87d91b45cfb481a2eb2d77c5"
 dependencies = [
  "aes",
  "bitvec",
@@ -960,6 +961,36 @@ dependencies = [
  "zcash_note_encryption",
 ]
 
+[[package]]
+name = "orchard"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1fb255c3ffdccd3c84fe9ebed72aef64fdc72e6a3e4180dd411002d47abaad42"
+dependencies = [
+ "aes",
+ "bitvec",
+ "blake2b_simd",
+ "ff",
+ "fpe",
+ "group",
+ "halo2_gadgets",
+ "halo2_proofs",
+ "hex",
+ "incrementalmerkletree",
+ "lazy_static",
+ "memuse",
+ "nonempty",
+ "pasta_curves",
+ "rand",
+ "reddsa",
+ "serde",
+ "subtle",
+ "tracing",
+ "zcash_note_encryption",
+ "zcash_spec",
+ "zip32",
+]
+
 [[package]]
 name = "pairing"
 version = "0.23.0"
@@ -1038,6 +1069,12 @@ dependencies = [
  "universal-hash",
 ]
 
+[[package]]
+name = "powerfmt"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.17"
@@ -1046,12 +1083,12 @@ checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
 
 [[package]]
 name = "prettyplease"
-version = "0.1.25"
+version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6c8646e95016a7a6c4adea95bafa8a16baab64b583356217f2c85db4a39d9a86"
+checksum = "ae005bd773ab59b4725093fd7df83fd7892f7d8eafb48dbd7de6e024e4215f9d"
 dependencies = [
  "proc-macro2",
- "syn 1.0.109",
+ "syn 2.0.32",
 ]
 
 [[package]]
@@ -1063,12 +1100,6 @@ dependencies = [
  "toml",
 ]
 
-[[package]]
-name = "proc-macro-hack"
-version = "0.5.20+deprecated"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc375e1527247fe1a97d8b7156678dfe7c1af2fc075c9a4db3690ecd2a148068"
-
 [[package]]
 name = "proc-macro2"
 version = "1.0.66"
@@ -1080,9 +1111,9 @@ dependencies = [
 
 [[package]]
 name = "prost"
-version = "0.11.9"
+version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b82eaa1d779e9a4bc1c3217db8ffbeabaae1dca241bf70183242128d48681cd"
+checksum = "146c289cda302b98a28d40c8b3b90498d6e526dd24ac2ecea73e4e491685b94a"
 dependencies = [
  "bytes",
  "prost-derive",
@@ -1090,53 +1121,53 @@ dependencies = [
 
 [[package]]
 name = "prost-build"
-version = "0.11.9"
+version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "119533552c9a7ffacc21e099c24a0ac8bb19c2a2a3f363de84cd9b844feab270"
+checksum = "c55e02e35260070b6f716a2423c2ff1c3bb1642ddca6f99e1f26d06268a0e2d2"
 dependencies = [
  "bytes",
  "heck",
  "itertools",
- "lazy_static",
  "log",
  "multimap",
+ "once_cell",
  "petgraph",
  "prettyplease",
  "prost",
  "prost-types",
  "regex",
- "syn 1.0.109",
+ "syn 2.0.32",
  "tempfile",
  "which",
 ]
 
 [[package]]
 name = "prost-derive"
-version = "0.11.9"
+version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e5d2d8d10f3c6ded6da8b05b5fb3b8a5082514344d56c9f871412d29b4e075b4"
+checksum = "efb6c9a1dd1def8e2124d17e83a20af56f1570d6c2d2bd9e266ccb768df3840e"
 dependencies = [
  "anyhow",
  "itertools",
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.32",
 ]
 
 [[package]]
 name = "prost-types"
-version = "0.11.9"
+version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "213622a1460818959ac1181aaeb2dc9c7f63df720db7d788b3e24eacd1983e13"
+checksum = "193898f59edcf43c26227dcd4c8427f00d99d61e95dcde58dabd49fa291d470e"
 dependencies = [
  "prost",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.26"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
+checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
 dependencies = [
  "proc-macro2",
 ]
@@ -1223,7 +1254,7 @@ version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "567664f262709473930a4bf9e51bf2ebf3348f2e748ccc50dea20646858f8f29"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
 ]
 
 [[package]]
@@ -1243,7 +1274,7 @@ checksum = "8d2275aab483050ab2a7364c1a46604865ee7d6906684e08db0f090acf74f9e7"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.13",
+ "syn 2.0.32",
 ]
 
 [[package]]
@@ -1261,22 +1292,13 @@ version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "436b050e76ed2903236f032a59761c1eb99e1b0aead2c257922771dab1fc8c78"
 
-[[package]]
-name = "rustc_version"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
-dependencies = [
- "semver",
-]
-
 [[package]]
 name = "rustix"
 version = "0.37.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b96e891d04aa506a6d1f318d2771bcb1c7dfda84e126660ace067c9b474bb2c0"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "errno",
  "io-lifetimes",
  "libc",
@@ -1292,20 +1314,15 @@ dependencies = [
  "borsh 0.10.3",
  "f4jumble",
  "haskell-ffi",
- "orchard",
+ "orchard 0.7.1",
  "proc-macro2",
- "zcash_address",
+ "zcash_address 0.2.0",
  "zcash_client_backend",
  "zcash_note_encryption",
  "zcash_primitives",
+ "zip32",
 ]
 
-[[package]]
-name = "ryu"
-version = "1.0.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f91339c0467de62360649f8d3e185ca8de4224ff281f66000de5eb2a77a79041"
-
 [[package]]
 name = "scopeguard"
 version = "1.1.0"
@@ -1321,67 +1338,26 @@ dependencies = [
  "zeroize",
 ]
 
-[[package]]
-name = "semver"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
-dependencies = [
- "semver-parser",
-]
-
-[[package]]
-name = "semver-parser"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
-
 [[package]]
 name = "serde"
-version = "1.0.159"
+version = "1.0.193"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3c04e8343c3daeec41f58990b9d77068df31209f2af111e059e9fe9646693065"
+checksum = "25dd9975e68d0cb5aa1120c288333fc98731bd1dd12f561e468ea4728c042b89"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.159"
+version = "1.0.193"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c614d17805b093df4b147b51339e7e44bf05ef59fba1e45d83500bcfb4d8585"
+checksum = "43576ca501357b9b071ac53cdc7da8ef0cbd9493d8df094cd821777ea6e894d3"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.13",
+ "syn 2.0.32",
 ]
 
-[[package]]
-name = "serde_json"
-version = "1.0.96"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "057d394a50403bcac12672b2b18fb387ab6d289d957dab67dd201875391e52f1"
-dependencies = [
- "itoa",
- "ryu",
- "serde",
-]
-
-[[package]]
-name = "sha1"
-version = "0.6.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c1da05c97445caa12d05e848c4a4fcbbea29e748ac28f7e80e9b010392063770"
-dependencies = [
- "sha1_smol",
-]
-
-[[package]]
-name = "sha1_smol"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae1a47186c03a32177042e55dbc5fd5aee900b8e0069a8d70fba96a9375cd012"
-
 [[package]]
 name = "sha2"
 version = "0.9.9"
@@ -1406,76 +1382,30 @@ dependencies = [
  "digest 0.10.7",
 ]
 
+[[package]]
+name = "shardtree"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c19f96dde3a8693874f7e7c53d95616569b4009379a903789efbd448f4ea9cc7"
+dependencies = [
+ "bitflags 2.4.2",
+ "either",
+ "incrementalmerkletree",
+ "tracing",
+]
+
 [[package]]
 name = "spin"
 version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
 
-[[package]]
-name = "standback"
-version = "0.2.17"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e113fb6f3de07a243d434a56ec6f186dfd51cb08448239fe7bcae73f87ff28ff"
-dependencies = [
- "version_check",
-]
-
 [[package]]
 name = "static_assertions"
 version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
-[[package]]
-name = "stdweb"
-version = "0.4.20"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d022496b16281348b52d0e30ae99e01a73d737b2f45d38fed4edf79f9325a1d5"
-dependencies = [
- "discard",
- "rustc_version",
- "stdweb-derive",
- "stdweb-internal-macros",
- "stdweb-internal-runtime",
- "wasm-bindgen",
-]
-
-[[package]]
-name = "stdweb-derive"
-version = "0.5.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c87a60a40fccc84bef0652345bbbbbe20a605bf5d0ce81719fc476f5c03b50ef"
-dependencies = [
- "proc-macro2",
- "quote",
- "serde",
- "serde_derive",
- "syn 1.0.109",
-]
-
-[[package]]
-name = "stdweb-internal-macros"
-version = "0.2.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "58fa5ff6ad0d98d1ffa8cb115892b6e69d67799f6763e162a1c9db421dc22e11"
-dependencies = [
- "base-x",
- "proc-macro2",
- "quote",
- "serde",
- "serde_derive",
- "serde_json",
- "sha1",
- "syn 1.0.109",
-]
-
-[[package]]
-name = "stdweb-internal-runtime"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "213701ba3370744dcd1a12960caa4843b3d68b4d1c0a5d575e0d65b2ee9d16c0"
-
 [[package]]
 name = "subtle"
 version = "2.4.1"
@@ -1495,9 +1425,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.13"
+version = "2.0.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c9da457c5285ac1f936ebd076af6dac17a61cfe7826f2076b4d015cf47bc8ec"
+checksum = "239814284fd6f1a4ffe4ca893952cdd93c224b6a1571c9a9eadd670295c0c9e2"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1541,46 +1471,27 @@ checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.13",
+ "syn 2.0.32",
 ]
 
 [[package]]
 name = "time"
-version = "0.2.27"
+version = "0.3.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4752a97f8eebd6854ff91f1c1824cd6160626ac4bd44287f7f4ea2035a02a242"
+checksum = "c8248b6521bb14bc45b4067159b9b6ad792e2d6d754d6c41fb50e29fefe38749"
 dependencies = [
- "const_fn",
+ "deranged",
- "libc",
+ "num-conv",
- "standback",
+ "powerfmt",
- "stdweb",
+ "serde",
- "time-macros",
+ "time-core",
- "version_check",
- "winapi",
 ]
 
 [[package]]
-name = "time-macros"
+name = "time-core"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "957e9c6e26f12cb6d0dd7fc776bb67a706312e7299aed74c8dd5b17ebb27e2f1"
-dependencies = [
- "proc-macro-hack",
- "time-macros-impl",
-]
-
-[[package]]
-name = "time-macros-impl"
 version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd3c141a1b43194f3f56a1411225df8646c55781d5f26db825b3d98507eb482f"
+checksum = "ef927ca75afb808a4d64dd374f00a2adf8d0fcff8e7b184af886c3c87ec4a3f3"
-dependencies = [
- "proc-macro-hack",
- "proc-macro2",
- "quote",
- "standback",
- "syn 1.0.109",
-]
 
 [[package]]
 name = "tinyvec"
@@ -1608,15 +1519,15 @@ dependencies = [
 
 [[package]]
 name = "tonic-build"
-version = "0.9.2"
+version = "0.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a6fdaae4c2c638bb70fe42803a26fbd6fc6ac8c72f5c59f67ecc2a2dcabf4b07"
+checksum = "9d021fc044c18582b9a2408cd0dd05b1596e3ecdb5c4df822bb0183545683889"
 dependencies = [
  "prettyplease",
  "proc-macro2",
  "prost-build",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.32",
 ]
 
 [[package]]
@@ -1639,7 +1550,7 @@ checksum = "0f57e3ca2a01450b1a921183a9c9cbfda207fd822cef4ccb00a65402cbba7a74"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.13",
+ "syn 2.0.32",
 ]
 
 [[package]]
@@ -1706,60 +1617,6 @@ version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
-[[package]]
-name = "wasm-bindgen"
-version = "0.2.87"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7706a72ab36d8cb1f80ffbf0e071533974a60d0a308d01a5d0375bf60499a342"
-dependencies = [
- "cfg-if",
- "wasm-bindgen-macro",
-]
-
-[[package]]
-name = "wasm-bindgen-backend"
-version = "0.2.87"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ef2b6d3c510e9625e5fe6f509ab07d66a760f0885d858736483c32ed7809abd"
-dependencies = [
- "bumpalo",
- "log",
- "once_cell",
- "proc-macro2",
- "quote",
- "syn 2.0.13",
- "wasm-bindgen-shared",
-]
-
-[[package]]
-name = "wasm-bindgen-macro"
-version = "0.2.87"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dee495e55982a3bd48105a7b947fd2a9b4a8ae3010041b9e0faab3f9cd028f1d"
-dependencies = [
- "quote",
- "wasm-bindgen-macro-support",
-]
-
-[[package]]
-name = "wasm-bindgen-macro-support"
-version = "0.2.87"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "54681b18a46765f095758388f2d0cf16eb8d4169b639ab575a8f5693af210c7b"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.13",
- "wasm-bindgen-backend",
- "wasm-bindgen-shared",
-]
-
-[[package]]
-name = "wasm-bindgen-shared"
-version = "0.2.87"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca6ad05a4870b2bf5fe995117d3728437bd27d7cd5f06f13c17443ef369775a1"
-
 [[package]]
 name = "which"
 version = "4.4.0"
@@ -1771,28 +1628,6 @@ dependencies = [
  "once_cell",
 ]
 
-[[package]]
-name = "winapi"
-version = "0.3.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
-dependencies = [
- "winapi-i686-pc-windows-gnu",
- "winapi-x86_64-pc-windows-gnu",
-]
-
-[[package]]
-name = "winapi-i686-pc-windows-gnu"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
-
-[[package]]
-name = "winapi-x86_64-pc-windows-gnu"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
-
 [[package]]
 name = "windows-sys"
 version = "0.48.0"
@@ -1875,36 +1710,51 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "804268e702b664fc09d3e2ce82786d0addf4ae57ba6976469be63e09066bf9f7"
 dependencies = [
  "bech32 0.8.1",
- "bs58",
+ "bs58 0.4.0",
+ "f4jumble",
+ "zcash_encoding",
+]
+
+[[package]]
+name = "zcash_address"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bce173f1d9ed4f806e310bc3a873301531e7a6dc209928584d6404e3f8228ef4"
+dependencies = [
+ "bech32 0.9.1",
+ "bs58 0.5.0",
  "f4jumble",
  "zcash_encoding",
 ]
 
 [[package]]
 name = "zcash_client_backend"
-version = "0.9.0"
+version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a55db8d2cb4ca82a71fa66ccd9fa5b211f5ab90c866721311ddd85f8f90d0701"
+checksum = "d6a382af39be9ee5a3788157145c404b7cd19acc440903f6c34b09fb44f0e991"
 dependencies = [
  "base64",
  "bech32 0.9.1",
  "bls12_381",
- "bs58",
+ "bs58 0.5.0",
  "crossbeam-channel",
  "group",
+ "hex",
+ "incrementalmerkletree",
  "memuse",
  "nom",
- "orchard",
+ "orchard 0.6.0",
  "percent-encoding",
  "prost",
  "rayon",
  "secrecy",
+ "shardtree",
  "subtle",
  "time",
  "tonic-build",
  "tracing",
  "which",
- "zcash_address",
+ "zcash_address 0.3.1",
  "zcash_encoding",
  "zcash_note_encryption",
  "zcash_primitives",
@@ -1922,9 +1772,9 @@ dependencies = [
 
 [[package]]
 name = "zcash_note_encryption"
-version = "0.3.0"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2eb2149e6cd5fbee36c5b87c601715a8c35554602f7fe84af38b636afa2db318"
+checksum = "5b4580cd6cee12e44421dac43169be8d23791650816bdb34e6ddfa70ac89c1c5"
 dependencies = [
  "chacha20",
  "chacha20poly1305",
@@ -1935,9 +1785,9 @@ dependencies = [
 
 [[package]]
 name = "zcash_primitives"
-version = "0.11.0"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "914d2195a478d5b63191584dff126f552751115181857b290211ec88e68acc3e"
+checksum = "d17e4c94ca8d69d2fcf2be97522da5732a580eb2125cda3b150761952f8df8e6"
 dependencies = [
  "aes",
  "bip0039",
@@ -1956,16 +1806,25 @@ dependencies = [
  "lazy_static",
  "memuse",
  "nonempty",
- "orchard",
+ "orchard 0.6.0",
  "rand",
  "rand_core",
  "sha2 0.10.6",
  "subtle",
- "zcash_address",
+ "zcash_address 0.3.1",
  "zcash_encoding",
  "zcash_note_encryption",
 ]
 
+[[package]]
+name = "zcash_spec"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b7a3bf58b673cb3dacd8ae09ba345998923a197ab0da70d6239d8e8838949e9b"
+dependencies = [
+ "blake2b_simd",
+]
+
 [[package]]
 name = "zeroize"
 version = "1.6.0"
@@ -1983,5 +1842,16 @@ checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.13",
+ "syn 2.0.32",
+]
+
+[[package]]
+name = "zip32"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d724a63be4dfb50b7f3617e542984e22e4b4a5b8ca5de91f55613152885e6b22"
+dependencies = [
+ "blake2b_simd",
+ "memuse",
+ "subtle",
 ]

librustzcash-wrapper/Cargo.toml

@@ -11,10 +11,11 @@ f4jumble = "0.1"
 zcash_address = "0.2.0"
 borsh = "0.10"
 bech32 = "0.11"
-orchard = "0.4.0"
+orchard = "0.7.0"
-zcash_note_encryption = "0.3.0"
+zcash_note_encryption = "0.4.0"
-zcash_primitives = "0.11.0"
+zcash_primitives = "0.13.0"
-zcash_client_backend = "0.9.0"
+zcash_client_backend = "0.10.0"
+zip32 = "0.1.0"
 proc-macro2 = "1.0.66"
 
 [features]

librustzcash-wrapper/src/lib.rs

@@ -9,7 +9,6 @@ use std::{
         Write,
         Cursor
     },
-    fmt::{Debug, Display, Formatter}
 };
 
 use f4jumble;
@@ -23,24 +22,19 @@ use haskell_ffi::{
     FromHaskell, HaskellSize, ToHaskell
 };
 
+use zip32;
+
 use zcash_primitives::{
     zip32::Scope as SaplingScope,
     zip339::{Count, Mnemonic},
     transaction::components::sapling::{
-        read_zkproof,
         GrothProofBytes,
         OutputDescription,
-        CompactOutputDescription
     },
     sapling::{
-        value::ValueCommitment as SaplingValueCommitment,
-        keys::{
-            FullViewingKey as SaplingViewingKey,
-            PreparedIncomingViewingKey as SaplingPreparedIncomingViewingKey
-        },
-        note_encryption::SaplingDomain,
         PaymentAddress,
-        note::ExtractedNoteCommitment as SaplingExtractedNoteCommitment
+        keys::PreparedIncomingViewingKey as SaplingPreparedIncomingViewingKey,
+        note_encryption::SaplingDomain
     },
     transaction::Transaction,
     consensus::{
@@ -60,17 +54,14 @@ use zcash_client_backend::keys::sapling::ExtendedFullViewingKey;
 
 use orchard::{
     Action,
-    keys::{FullViewingKey, PreparedIncomingViewingKey, Scope},
+    keys::{SpendingKey, FullViewingKey, PreparedIncomingViewingKey, Scope},
     note::{Nullifier, TransmittedNoteCiphertext, ExtractedNoteCommitment},
     note_encryption::OrchardDomain,
     primitives::redpallas::{VerificationKey, SpendAuth, Signature},
     value::ValueCommitment
 };
 
-use zcash_note_encryption::EphemeralKeyBytes;
-
 use bech32::{
-    decode,
     Hrp,
     Bech32m
 };
@@ -620,3 +611,24 @@ pub extern "C" fn rust_wrapper_recover_seed(
         }
     }
 }
+
+#[no_mangle]
+pub extern "C" fn rust_wrapper_derive_orchard_spending_key(
+    seed: *const u8,
+    seed_len: usize,
+    coin_type: u32,
+    acc_id: u32,
+    out: *mut u8,
+    out_len: &mut usize
+    ){
+    let s: Vec<u8> = marshall_from_haskell_var(seed, seed_len, RW);
+    let sk = SpendingKey::from_zip32_seed(&s, coin_type, zip32::AccountId::try_from(acc_id).unwrap());
+    match sk {
+        Ok(key) => {
+            marshall_to_haskell_var(&key.to_bytes().to_vec(), out, out_len, RW);
+        },
+        Err(_e) => {
+            marshall_to_haskell_var(&vec![0], out, out_len, RW);
+        }
+    }
+}

src/C/Zcash.chs

@@ -133,3 +133,12 @@ import ZcashHaskell.Types
      }
   -> `()'
 #}
+
+{# fun unsafe rust_wrapper_derive_orchard_spending_key as rustWrapperGenOrchardSpendKey
+     { toBorshVar* `BS.ByteString'&
+     , `Word32'
+     , `Word32'
+     , getVarBuffer `Buffer (BS.ByteString)'&
+     }
+  -> `()'
+#}

src/ZcashHaskell/Orchard.hs

@@ -18,7 +18,8 @@
 module ZcashHaskell.Orchard where
 
 import C.Zcash
-  ( rustWrapperOrchardCheck
+  ( rustWrapperGenOrchardSpendKey
+  , rustWrapperOrchardCheck
   , rustWrapperOrchardNoteDecode
   , rustWrapperUADecode
   , rustWrapperUfvkDecode
@@ -32,6 +33,20 @@ import Foreign.Rust.Marshall.Variable
 import ZcashHaskell.Types
 import ZcashHaskell.Utils (encodeBech32m, f4Jumble)
 
+-- | Derives an Orchard spending key for the given seed and account ID
+genOrchardSpendingKey :: Seed -> CoinType -> AccountId -> Maybe BS.ByteString
+genOrchardSpendingKey s coinType accountId =
+  if BS.length k /= 32
+    then Nothing
+    else Just k
+  where
+    k =
+      withPureBorshVarBuffer $
+      rustWrapperGenOrchardSpendKey
+        s
+        (getValue coinType)
+        (fromIntegral accountId)
+
 -- | Checks if given bytestring is a valid encoded unified address
 isValidUnifiedAddress :: BS.ByteString -> Maybe UnifiedAddress
 isValidUnifiedAddress str =

src/ZcashHaskell/Types.hs

@@ -61,6 +61,22 @@ data ZcashNet
   | RegTestNet
   deriving (Eq, Prelude.Show, Read)
 
+type AccountId = Int
+
+-- ** Constants
+-- | Types for coin types on the different networks
+data CoinType
+  = MainNetCoin
+  | TestNetCoin
+  | RegTestNetCoin
+
+getValue :: CoinType -> Word32
+getValue c =
+  case c of
+    MainNetCoin -> 133
+    TestNetCoin -> 1
+    RegTestNetCoin -> 1
+
 -- * RPC
 -- | A type to model Zcash RPC calls
 data RpcCall = RpcCall

test/Spec.hs

@@ -19,6 +19,7 @@
 {-# LANGUAGE OverloadedStrings #-}
 
 import C.Zcash (rustWrapperUADecode)
+import Control.Monad.IO.Class (liftIO)
 import Data.Aeson
 import Data.Bool (Bool(True))
 import qualified Data.ByteString as BS
@@ -45,6 +46,7 @@ import ZcashHaskell.Sapling
 import ZcashHaskell.Transparent (encodeTransparent)
 import ZcashHaskell.Types
   ( BlockResponse(..)
+  , CoinType(..)
   , DecodedNote(..)
   , OrchardAction(..)
   , RawData(..)
@@ -453,6 +455,11 @@ main = do
         p <- generateWalletSeedPhrase
         let s = getWalletSeed p
         maybe 0 BS.length s `shouldBe` 64
+      it "Generate Orchard spending key" $ do
+        p <- generateWalletSeedPhrase
+        let s = getWalletSeed p
+        genOrchardSpendingKey (fromMaybe "" s) MainNetCoin 1 `shouldNotBe`
+          Nothing
     describe "Address tests" $ do
       it "Encode transparent" $ do
         let ua =

zcash-haskell.cabal

@@ -5,7 +5,7 @@ cabal-version: 3.0
 -- see: https://github.com/sol/hpack
 
 name:           zcash-haskell
-version:        0.4.2.3
+version:        0.4.3.0
 synopsis:       Utilities to interact with the Zcash blockchain
 description:    Please see the README on the repo at <https://git.vergara.tech/Vergara_Tech/zcash-haskell#readme>
 category:       Blockchain