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Adjust Transparent generators to use indices

This commit is contained in:
Rene Vergara 2024-03-13 14:12:28 -05:00
parent c5feb10fbc
commit 6e1048cd4d
Signed by: pitmutt
GPG Key ID: 65122AD495A7F5B2
2 changed files with 37 additions and 115 deletions
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26
src/ZcashHaskell/Transparent.hs
View File

@ -23,7 +23,9 @@ import Data.ByteString.Base58 (bitcoinAlphabet, encodeBase58)
import qualified Data.Text as T
import qualified Data.Text.Encoding as E
import ZcashHaskell.Types
( TransparentAddress(..)
( AccountId
, Seed
, TransparentAddress(..)
, TransparentType(..)
, ZcashNet(..)
, getTransparentPrefix
@ -51,21 +53,19 @@ encodeTransparent zNet t =
checksum = sha256 $ sha256 digest
-- | Attempts to generate an Extended Private Key from a known HDSeed.
genTransparentPrvKey :: BS.ByteString -> XPrvKey
genTransparentPrvKey hdseed = do
makeXPrvKey hdseed
-- | Attempts to obtain an Extended Public Key from a known Extended Private Key
genTransparentPubKey :: XPrvKey -> IO XPubKey
genTransparentPubKey xpvk = do
genTransparentPrvKey :: Seed -> AccountId -> IO XPrvKey
genTransparentPrvKey hdseed i = do
let prvKey = makeXPrvKey hdseed
ioCtx <- createContext
let xpubk = deriveXPubKey ioCtx xpvk
return xpubk
return $ hardSubKey ioCtx prvKey (fromIntegral i)
genTransparentReceiver :: XPubKey -> IO TransparentAddress
genTransparentReceiver xpubk = do
-- | Generate a transparent receiver
genTransparentReceiver :: Int -> XPrvKey -> IO TransparentAddress
genTransparentReceiver i xprvk = do
ioCtx <- createContext
let x = xPubAddr ioCtx xpubk
let rootPubKey = deriveXPubKey ioCtx xprvk
let childPubKey = pubSubKey ioCtx rootPubKey (fromIntegral i)
let x = xPubAddr ioCtx childPubKey
case x of
PubKeyAddress k -> return $ TransparentAddress P2PKH $ fromBinary k
ScriptAddress j -> return $ TransparentAddress P2SH $ fromBinary j

126
test/Spec.hs
View File

@ -50,8 +50,6 @@ import ZcashHaskell.Sapling
, matchSaplingAddress
)
import ZcashHaskell.Transparent
--(encodeTransparent)
import ZcashHaskell.Types
( AccountId
, BlockResponse(..)
@ -64,6 +62,8 @@ import ZcashHaskell.Types
, RawTxResponse(..)
, Seed(..)
, ShieldedOutput(..)
, TransparentAddress(..)
, TransparentType(..)
, UnifiedAddress(..)
, UnifiedFullViewingKey(..)
, ZcashNet(..)
@ -471,104 +471,12 @@ main = do
describe "Wallet seed phrase" $ do
prop "Generated phrases are valid" $ again prop_PhraseLength
prop "Derived seeds are valid" $ again prop_SeedLength
describe "Transparent Private and Public Key Generation" $ do
it "Obtain a transparent extended private key from HDSeed" $ do
let hdseed =
[ 206
, 61
, 120
, 38
, 206
, 40
, 201
, 62
, 83
, 175
, 151
, 131
, 218
, 141
, 206
, 254
, 28
, 244
, 172
, 213
, 128
, 248
, 156
, 45
, 204
, 44
, 169
, 3
, 162
, 188
, 16
, 173
, 192
, 164
, 96
, 148
, 91
, 52
, 244
, 83
, 149
, 169
, 82
, 196
, 199
, 53
, 177
, 170
, 1
, 6
, 0
, 120
, 170
, 2
, 238
, 219
, 241
, 243
, 172
, 178
, 104
, 81
, 159
, 144
] :: [Word8]
let xtpvk = genTransparentPrvKey (BS.pack hdseed)
let testpvk =
XPrvKey
0
"0000000000"
0
"fb5b9b89d3e9dfdebeaabd15de8fbc7e9a140b7f2de2b4034c2573425d39aceb"
"46aa0cd24a6e05709591426a4e682dd5406de4e75a39c0f410ee790403880943"
xtpvk `shouldBe` testpvk
it "Obtain a transparent extended public key from private key" $ do
let testpvk =
XPrvKey
0
"0000000000"
0
"fb5b9b89d3e9dfdebeaabd15de8fbc7e9a140b7f2de2b4034c2573425d39aceb"
"46aa0cd24a6e05709591426a4e682dd5406de4e75a39c0f410ee790403880943"
let testpbk =
XPubKey
0
"00000000"
0
"fb5b9b89d3e9dfdebeaabd15de8fbc7e9a140b7f2de2b4034c2573425d39aceb"
"279bda9c704f6da479cedb12c7cf773b3a348569dc1cfa6002526bad67674fd737b84a2bdb1199ecab1c9fed1b9a38aba5ba19259c1510d733a2376118515cd8"
let xtpubkIO = genTransparentPubKey testpvk
xtpubk <- xtpubkIO
---print $ show xtpubk
xtpubk `shouldBe` testpbk
before getSeed $
describe "Optimized spending key tests" $ do
it "Transparent spending keys are valid" $ \s ->
property $ prop_TransparentSpendingKey s
it "Transparent receivers are valid" $ \s ->
property $ prop_TransparentReceiver s
it "Sapling spending keys are valid" $ \s ->
property $ prop_SaplingSpendingKey s
it "Sapling receivers are valid" $ \s ->
@ -605,10 +513,10 @@ main = do
Just s' -> do
let oK = genOrchardSpendingKey s' MainNetCoin 0
let sK = genSaplingSpendingKey s' MainNetCoin 0
let tK = genTransparentPrvKey s'
let tK = genTransparentPrvKey s' 0
let oR = genOrchardReceiver 0 =<< oK
let sR = genSaplingPaymentAddress 0 =<< sK
tR <- genTransparentReceiver =<< genTransparentPubKey tK
tR <- genTransparentReceiver 0 =<< tK
let newUA = UnifiedAddress MainNet oR sR $ Just tR
return $ Just newUA `shouldBe` targetUA
it "Recover UA from Zingo" $
@ -624,10 +532,10 @@ main = do
Just s' -> do
let oK = genOrchardSpendingKey s' MainNetCoin 0
let sK = genSaplingSpendingKey s' MainNetCoin 0
let tK = genTransparentPrvKey s'
let tK = genTransparentPrvKey s' 0
let oR = genOrchardReceiver 0 =<< oK
let sR = genSaplingPaymentAddress 0 =<< sK
tR <- genTransparentReceiver =<< genTransparentPubKey tK
tR <- genTransparentReceiver 0 =<< tK
let newUA = UnifiedAddress MainNet oR sR $ Just tR
return $ Just newUA `shouldBe` targetUA
@ -675,6 +583,20 @@ prop_OrchardRecRepeated s c (NonNegative i) (NonNegative j) =
genOrchardReceiver j (fromMaybe "" $ genOrchardSpendingKey s c i) =/=
genOrchardReceiver (j + 1) (fromMaybe "" $ genOrchardSpendingKey s c i)
prop_TransparentSpendingKey :: Seed -> NonNegative Int -> Property
prop_TransparentSpendingKey s (NonNegative i) =
ioProperty $ do
k <- genTransparentPrvKey s i
return $ xPrvChild k == fromIntegral i
prop_TransparentReceiver ::
Seed -> NonNegative Int -> NonNegative Int -> Property
prop_TransparentReceiver s (NonNegative i) (NonNegative j) =
ioProperty $ do
k <- genTransparentPrvKey s i
r <- genTransparentReceiver j k
return $ ta_type r == P2PKH
-- | Generators
genOrcArgs :: Gen (CoinType, Int, Int)
genOrcArgs = do