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zcash-haskell
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Add functions and tests for Bech32 and F4UnJumble

This commit is contained in:
Rene Vergara 2023-04-27 09:50:07 -05:00
parent 6c8a67f2d7
commit ccd4ede950
Signed by: pitmutt
GPG Key ID: 65122AD495A7F5B2
5 changed files with 156 additions and 10 deletions
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2
package.yaml
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@ -30,6 +30,7 @@ library:
- borsh >= 0.2
- text
- foreign-rust
- generics-sop
pkg-config-dependencies:
- rustzcash_wrapper-uninstalled
@ -45,3 +46,4 @@ tests:
- zcash-haskell
- hspec
- bytestring
- text

30
src/C/Zcash.chs
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@ -1,4 +1,6 @@
{-# LANGUAGE DerivingStrategies #-}
{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE DeriveAnyClass #-}
{-# LANGUAGE DerivingVia #-}
{-# LANGUAGE GeneralizedNewtypeDeriving #-}
{-# LANGUAGE UndecidableInstances #-}
@ -18,16 +20,25 @@ import Foreign.Rust.Marshall.Fixed
import Foreign.Rust.Marshall.Variable
import Foreign.Rust.Serialisation.Raw
import Foreign.Rust.Serialisation.Raw.Base16
import qualified Generics.SOP as SOP
import qualified GHC.Generics as GHC
newtype CodedString = CodedString BS.ByteString
deriving (Eq)
deriving newtype (BorshSize, ToBorsh, FromBorsh)
deriving newtype (IsRaw)
deriving (Prelude.Show, Data.Structured.Show) via AsBase16 CodedString
data RawData = RawData { hrp :: BS.ByteString, bytes :: BS.ByteString}
deriving stock (Prelude.Show, GHC.Generic)
deriving anyclass (SOP.Generic, SOP.HasDatatypeInfo)
deriving anyclass (Data.Structured.Show)
deriving (BorshSize, ToBorsh, FromBorsh) via AsStruct RawData
{# fun unsafe rust_wrapper_f4jumble as rustWrapperF4Jumble
{ toBorshVar* `BS.ByteString'&
, getVarBuffer `Buffer (CodedString)'&
, getVarBuffer `Buffer (BS.ByteString)'&
}
-> `()'
#}
{# fun unsafe rust_wrapper_f4unjumble as rustWrapperF4UnJumble
{ toBorshVar* `BS.ByteString'&
, getVarBuffer `Buffer (BS.ByteString)'&
}
-> `()'
#}
@ -43,3 +54,10 @@ newtype CodedString = CodedString BS.ByteString
}
-> `Bool'
#}
{# fun unsafe rust_wrapper_bech32decode as rustWrapperBech32Decode
{ toBorshVar* `BS.ByteString'&
, getVarBuffer `Buffer RawData'&
}
-> `()'
#}

14
src/Zcash.hs
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@ -1,12 +1,16 @@
module Zcash
( f4Jumble
, f4UnJumble
, isValidUnifiedAddress
, isValidShieldedAddress
, decodeBech32
) where
import C.Zcash
( CodedString
( RawData
, rustWrapperBech32Decode
, rustWrapperF4Jumble
, rustWrapperF4UnJumble
, rustWrapperIsShielded
, rustWrapperIsUA
)
@ -14,11 +18,17 @@ import qualified Data.ByteString as BS
import Foreign.Rust.Marshall.Fixed
import Foreign.Rust.Marshall.Variable
f4Jumble :: BS.ByteString -> CodedString
f4Jumble :: BS.ByteString -> BS.ByteString
f4Jumble = withPureBorshVarBuffer . rustWrapperF4Jumble
f4UnJumble :: BS.ByteString -> BS.ByteString
f4UnJumble = withPureBorshVarBuffer . rustWrapperF4UnJumble
isValidUnifiedAddress :: BS.ByteString -> Bool
isValidUnifiedAddress = rustWrapperIsUA
isValidShieldedAddress :: BS.ByteString -> Bool
isValidShieldedAddress = rustWrapperIsShielded
decodeBech32 :: BS.ByteString -> RawData
decodeBech32 = withPureBorshVarBuffer . rustWrapperBech32Decode

118
test/Spec.hs
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@ -1,7 +1,8 @@
{-# LANGUAGE OverloadedStrings #-}
import C.Zcash (CodedString(CodedString), rustWrapperIsUA)
import C.Zcash (RawData(..), rustWrapperIsUA)
import qualified Data.ByteString as BS
import qualified Data.Text.Encoding as E
import Data.Word
import Test.Hspec
import Zcash
@ -111,7 +112,120 @@ main = do
, 0x8d
, 0x22
] :: [Word8]
CodedString (BS.pack out) `shouldBe` f4Jumble (BS.pack input)
BS.pack out `shouldBe` f4Jumble (BS.pack input)
it "unjumble a string" $ do
let input =
[ 0x5d
, 0x7a
, 0x8f
, 0x73
, 0x9a
, 0x2d
, 0x9e
, 0x94
, 0x5b
, 0x0c
, 0xe1
, 0x52
, 0xa8
, 0x04
, 0x9e
, 0x29
, 0x4c
, 0x4d
, 0x6e
, 0x66
, 0xb1
, 0x64
, 0x93
, 0x9d
, 0xaf
, 0xfa
, 0x2e
, 0xf6
, 0xee
, 0x69
, 0x21
, 0x48
, 0x1c
, 0xdd
, 0x86
, 0xb3
, 0xcc
, 0x43
, 0x18
, 0xd9
, 0x61
, 0x4f
, 0xc8
, 0x20
, 0x90
, 0x5d
, 0x04
, 0x2b
] :: [Word8]
let out =
[ 0x03
, 0x04
, 0xd0
, 0x29
, 0x14
, 0x1b
, 0x99
, 0x5d
, 0xa5
, 0x38
, 0x7c
, 0x12
, 0x59
, 0x70
, 0x67
, 0x35
, 0x04
, 0xd6
, 0xc7
, 0x64
, 0xd9
, 0x1e
, 0xa6
, 0xc0
, 0x82
, 0x12
, 0x37
, 0x70
, 0xc7
, 0x13
, 0x9c
, 0xcd
, 0x88
, 0xee
, 0x27
, 0x36
, 0x8c
, 0xd0
, 0xc0
, 0x92
, 0x1a
, 0x04
, 0x44
, 0xc8
, 0xe5
, 0x85
, 0x8d
, 0x22
] :: [Word8]
f4UnJumble (BS.pack out) `shouldBe` BS.pack input
describe "Decode UVK from YWallet" $ do
let uvk =
"uview1u833rp8yykd7h4druwht6xp6k8krle45fx8hqsw6vzw63n24atxpcatws82z092kryazuu6d7rayyut8m36wm4wpjy2z8r9hj48fx5pf49gw4sjrq8503qpz3vqj5hg0vg9vsqeasg5qjuyh94uyfm7v76udqcm2m0wfc25hcyqswcn56xxduq3xkgxkr0l73cjy88fdvf90eq5fda9g6x7yv7d0uckpevxg6540wc76xrc4axxvlt03ptaa2a0rektglmdy68656f3uzcdgqqyu0t7wk5cvwghyyvgqc0rp3vgu5ye4nd236ml57rjh083a2755qemf6dk6pw0qrnfm7246s8eg2hhzkzpf9h73chhng7xhmyem2sjh8rs2m9nhfcslsgenm"
let res = decodeBech32 uvk
let rawBytes = f4UnJumble $ bytes res
it "decodes Bech32" $ do
print $ hrp res
print $ BS.length $ bytes res
hrp res `shouldBe` "uview"
it "unjumble result" $ do
BS.takeEnd 16 rawBytes `shouldBe` "uview00000000000"
describe "Unified address" $ do
it "succeeds with correct UA" $ do
let ua =

2
zcash-haskell.cabal
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@ -39,6 +39,7 @@ library
, borsh >=0.2
, bytestring
, foreign-rust
, generics-sop
, text
default-language: Haskell2010
@ -54,5 +55,6 @@ test-suite zcash-haskell-test
base >=4.7 && <5
, bytestring
, hspec
, text
, zcash-haskell
default-language: Haskell2010