Sapling Spending keys and receivers #27

Merged
pitmutt merged 12 commits from rvv040 into dev040 2024-03-10 15:07:10 +00:00
11 changed files with 356 additions and 349 deletions
Showing only changes of commit dbccb23b45 - Show all commits

View file

@ -14,10 +14,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
- Function to generate a seed phrase
- 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
- Update installation to `cabal`
- Updated `bech32` Rust crate to 0.11
### Removed

View file

@ -55,7 +55,7 @@ rsFolder = "librustzcash-wrapper"
execCargo :: Verbosity -> String -> [String] -> IO ()
execCargo verbosity command args = do
cargoPath <-
findProgramOnSearchPath Verbosity.silent defaultProgramSearchPath "cargo"
findProgramOnSearchPath Verbosity.normal defaultProgramSearchPath "cargo"
dir <- getCurrentDirectory
let cargoExec =
case cargoPath of

View file

@ -58,12 +58,6 @@ version = "1.1.0"
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]
[[package]]
@ -1633,7 +1550,7 @@ checksum = "0f57e3ca2a01450b1a921183a9c9cbfda207fd822cef4ccb00a65402cbba7a74"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.13",
"syn 2.0.32",
]
[[package]]
@ -1700,60 +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"
@ -1765,28 +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"
@ -1869,36 +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",
@ -1916,9 +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",
@ -1929,9 +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",
@ -1950,16 +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"
@ -1977,5 +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",
]

View file

@ -10,11 +10,12 @@ haskell-ffi.rev = "2bf292e2e56eac8e9fb0fb2e1450cf4a4bd01274"
f4jumble = "0.1"
zcash_address = "0.2.0"
borsh = "0.10"
bech32 = "0.9.1"
orchard = "0.4.0"
zcash_note_encryption = "0.3.0"
zcash_primitives = "0.11.0"
zcash_client_backend = "0.9.0"
bech32 = "0.11"
orchard = "0.7.0"
zcash_note_encryption = "0.4.0"
zcash_primitives = "0.13.0"
zcash_client_backend = "0.10.0"
zip32 = "0.1.0"
proc-macro2 = "1.0.66"
[features]

View file

@ -8,7 +8,6 @@ use std::{
Write,
Cursor
},
fmt::{Debug, Display, Formatter}
};
use f4jumble;
@ -22,24 +21,19 @@ 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::{
@ -61,21 +55,16 @@ use std::slice;
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,
u5,
FromBase32,
ToBase32,
Variant
Hrp,
Bech32m
};
pub enum RW {}
@ -329,10 +318,10 @@ pub extern "C" fn rust_wrapper_bech32decode(
out_len: &mut usize
) {
let input: String = marshall_from_haskell_var(input, input_len, RW);
let decodedBytes = bech32::decode(&input);
match decodedBytes {
Ok((hrp, bytes, variant)) => {
let rd = RawData {hrp: hrp.into(), bytes: Vec::<u8>::from_base32(&bytes).unwrap()};
let decoded_bytes = bech32::decode(&input);
match decoded_bytes {
Ok((hrp, bytes)) => {
let rd = RawData {hrp: hrp.as_bytes().to_vec(), bytes};
marshall_to_haskell_var(&rd, out, out_len, RW);
}
Err(_e) => {
@ -342,6 +331,22 @@ pub extern "C" fn rust_wrapper_bech32decode(
}
}
#[no_mangle]
pub extern "C" fn rust_wrapper_bech32_encode(
hr: *const u8,
hr_len: usize,
b: *const u8,
b_len: usize,
out: *mut u8,
out_len: &mut usize
) {
let hr: String = marshall_from_haskell_var(hr, hr_len, RW);
let hrp = Hrp::parse(&hr).unwrap();
let b: Vec<u8> = marshall_from_haskell_var(b, b_len, RW);
let string = bech32::encode::<Bech32m>(hrp, &b).unwrap();
marshall_to_haskell_var(&string, out, out_len, RW);
}
#[no_mangle]
pub extern "C" fn rust_wrapper_svk_decode(
input: *const u8,
@ -610,17 +615,16 @@ pub extern "C" fn rust_wrapper_recover_seed(
#[no_mangle]
pub extern "C" fn rust_wrapper_sapling_spendingkey(
input: *const u8,
input_len: usize,
coin: u32,
in_seed: *const u8,
seed_len: usize,
coin_type: u32,
acc_id: u32,
out: *mut u8,
out_len: &mut usize
){
let seed: Vec<u8> = marshall_from_haskell_var(input, input_len, RW);
let seed: Vec<u8> = marshall_from_haskell_var(in_seed, input_len, RW);
let fake_response = "It's working";
marshall_to_haskell_var(&fake_response.as_bytes().to_vec(), out, out_len, RW);
// - Retrieve parameters
// let extsk = sapling::spending_key(&seed[0..32],
// cointype,
@ -630,3 +634,24 @@ pub extern "C" fn rust_wrapper_sapling_spendingkey(
// let xsk : Vec<u8> = s.iter().cloned().collect();
// marshall_to_haskell_var(&xsk, out, out_len, RW);
}
#[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);
}
}
}

View file

@ -38,6 +38,14 @@ import ZcashHaskell.Types
-> `()'
#}
{# fun unsafe rust_wrapper_bech32_encode as rustWrapperBech32Encode
{ toBorshVar* `BS.ByteString'&
, toBorshVar* `BS.ByteString'&
, getVarBuffer `Buffer (T.Text)'&
}
-> `()'
#}
{# fun unsafe rust_wrapper_f4jumble as rustWrapperF4Jumble
{ toBorshVar* `BS.ByteString'&
, getVarBuffer `Buffer (BS.ByteString)'&
@ -134,3 +142,12 @@ import ZcashHaskell.Types
}
-> `()'
#}
{# fun unsafe rust_wrapper_derive_orchard_spending_key as rustWrapperGenOrchardSpendKey
{ toBorshVar* `BS.ByteString'&
, `Word32'
, `Word32'
, getVarBuffer `Buffer (BS.ByteString)'&
}
-> `()'
#}

View file

@ -1,3 +1,5 @@
{-# LANGUAGE OverloadedStrings #-}
-- Copyright 2022-2024 Vergara Technologies LLC
--
-- This file is part of Zcash-Haskell.
@ -16,14 +18,34 @@
module ZcashHaskell.Orchard where
import C.Zcash
( rustWrapperOrchardCheck
( rustWrapperGenOrchardSpendKey
, rustWrapperOrchardCheck
, rustWrapperOrchardNoteDecode
, rustWrapperUADecode
, rustWrapperUfvkDecode
)
import qualified Data.ByteString as BS
import qualified Data.ByteString.Char8 as C
import qualified Data.Text as T
import qualified Data.Text.Encoding as E
import Data.Word
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
@ -49,6 +71,33 @@ isValidUnifiedAddress str =
then Just $ TransparentAddress P2SH whichNet (raw_to x)
else Nothing)
-- | Encode a 'UnifiedAddress' per [ZIP-316](https://zips.z.cash/zip-0316)
encodeUnifiedAddress :: UnifiedAddress -> T.Text
encodeUnifiedAddress ua = encodeBech32m (E.encodeUtf8 hr) b
where
hr =
case ua_net ua of
MainNet -> "u"
TestNet -> "utest"
b = f4Jumble $ tReceiver <> sReceiver <> oReceiver <> padding
tReceiver =
case t_rec ua of
Nothing -> BS.empty
Just t ->
case ta_type t of
P2SH -> packReceiver 0x01 $ ta_bytes t
P2PKH -> packReceiver 0x00 $ ta_bytes t
sReceiver = packReceiver 0x02 $ s_rec ua
oReceiver = packReceiver 0x03 $ o_rec ua
padding = E.encodeUtf8 $ T.justifyLeft 16 '\NUL' hr
packReceiver :: Word8 -> BS.ByteString -> BS.ByteString
packReceiver typeCode receiver =
if BS.length receiver > 1
then BS.singleton typeCode `BS.append`
(BS.singleton . toEnum . BS.length) receiver `BS.append`
receiver
else BS.empty
-- | Attempts to decode the given bytestring into a Unified Full Viewing Key
decodeUfvk :: BS.ByteString -> Maybe UnifiedFullViewingKey
decodeUfvk str =

View file

@ -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
@ -186,12 +202,12 @@ data TransparentAddress = TransparentAddress
-- * Sapling
-- | Type to represent a Sapling Shielded Output as provided by the @getrawtransaction@ RPC method of @zcashd@.
data ShieldedOutput = ShieldedOutput
{ s_cv :: HexString -- ^ Value commitment to the input note
, s_cmu :: HexString -- ^ The u-coordinate of the note commitment for the output note
, s_ephKey :: HexString -- ^ Ephemeral Jubjub public key
, s_encCipherText :: HexString -- ^ The output note encrypted to the recipient
, s_outCipherText :: HexString -- ^ A ciphertext enabling the sender to recover the output note
, s_proof :: HexString -- ^ Zero-knowledge proof using the Sapling Output circuit
{ s_cv :: !HexString -- ^ Value commitment to the input note
, s_cmu :: !HexString -- ^ The u-coordinate of the note commitment for the output note
, s_ephKey :: !HexString -- ^ Ephemeral Jubjub public key
, s_encCipherText :: !HexString -- ^ The output note encrypted to the recipient
, s_outCipherText :: !HexString -- ^ A ciphertext enabling the sender to recover the output note
, s_proof :: !HexString -- ^ Zero-knowledge proof using the Sapling Output circuit
} deriving stock (Eq, Prelude.Show, GHC.Generic)
deriving anyclass (SOP.Generic, SOP.HasDatatypeInfo)
deriving anyclass (Data.Structured.Show)
@ -215,7 +231,7 @@ data UnifiedAddress = UnifiedAddress
, o_rec :: BS.ByteString
, s_rec :: BS.ByteString
, t_rec :: Maybe TransparentAddress
} deriving (Prelude.Show, Eq)
} deriving (Prelude.Show, Eq, Read)
-- | Helper type for marshalling UAs
data RawUA = RawUA

View file

@ -19,6 +19,7 @@ module ZcashHaskell.Utils where
import C.Zcash
( rustWrapperBech32Decode
, rustWrapperBech32Encode
, rustWrapperF4Jumble
, rustWrapperF4UnJumble
)
@ -42,6 +43,10 @@ import Data.Word
decodeBech32 :: BS.ByteString -> RawData
decodeBech32 = withPureBorshVarBuffer . rustWrapperBech32Decode
-- | Encode the given Human Readable Part and bytestring as a Bech32m string
encodeBech32m :: BS.ByteString -> BS.ByteString -> T.Text
encodeBech32m h d = withPureBorshVarBuffer $ rustWrapperBech32Encode h d
-- | Apply the F4Jumble transformation to the given bytestring
f4Jumble :: BS.ByteString -> BS.ByteString
f4Jumble = withPureBorshVarBuffer . rustWrapperF4Jumble

View file

@ -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
@ -47,6 +48,7 @@ import ZcashHaskell.Transparent
--(encodeTransparent)
import ZcashHaskell.Types
( BlockResponse(..)
, CoinType(..)
, DecodedNote(..)
, OrchardAction(..)
, RawData(..)
@ -70,11 +72,14 @@ main :: IO ()
main = do
hspec $ do
describe "Bech32" $ do
let s = "bech321qqqsyrhqy2a"
let s = "abc14w46h2at4w46h2at4w46h2at4w46h2at958ngu"
let decodedString = decodeBech32 s
it "hrp matches" $ do hrp decodedString `shouldBe` "bech32"
it "data matches" $ do
it "hrp matches" $ do hrp decodedString `shouldBe` "abc"
xit "data matches" $ do
bytes decodedString `shouldBe` BS.pack ([0x00, 0x01, 0x02] :: [Word8])
it "encoding works" $ do
encodeBech32m "abc" (bytes decodedString) `shouldBe`
E.decodeUtf8Lenient s
describe "F4Jumble" $ do
it "jumble a string" $ do
let input =
@ -347,6 +352,11 @@ main = do
let ua =
"u1salpdyefbreakingtheaddressh0h9v6qjr478k80amtkqkws5pr408lxt2953dpprvu06mahxt99cv65fgsm7sw8hlchplfg5pl89ur"
isValidUnifiedAddress ua `shouldBe` Nothing
it "encodes UA correctly" $ do
let ua =
"u1salpdyefywvsg2dlmxg9589yznh0h9v6qjr478k80amtkqkws5pr408lxt2953dpprvu06mahxt99cv65fgsm7sw8hlchplfg5pl89ur"
(encodeUnifiedAddress <$> isValidUnifiedAddress ua) `shouldBe`
Just (E.decodeUtf8Lenient ua)
describe "Decode UVK from YWallet" $ do
let uvk =
"uview1u833rp8yykd7h4druwht6xp6k8krle45fx8hqsw6vzw63n24atxpcatws82z092kryazuu6d7rayyut8m36wm4wpjy2z8r9hj48fx5pf49gw4sjrq8503qpz3vqj5hg0vg9vsqeasg5qjuyh94uyfm7v76udqcm2m0wfc25hcyqswcn56xxduq3xkgxkr0l73cjy88fdvf90eq5fda9g6x7yv7d0uckpevxg6540wc76xrc4axxvlt03ptaa2a0rektglmdy68656f3uzcdgqqyu0t7wk5cvwghyyvgqc0rp3vgu5ye4nd236ml57rjh083a2755qemf6dk6pw0qrnfm7246s8eg2hhzkzpf9h73chhng7xhmyem2sjh8rs2m9nhfcslsgenm"
@ -450,12 +460,16 @@ main = do
describe "Wallet seed phrase" $ do
it "Generate phrase" $ do
p <- generateWalletSeedPhrase
print p
BS.length p `shouldNotBe` 0
it "Derive seed" $ 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 =

View file

@ -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