Implements parsing of transparent bundles

Reviewed-on: #46

CHANGELOG.md

@@ -5,6 +5,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.5.2.0]
+
+### Added
+
+- Functionality to parse transparent bundles from Zebra
+- Types for transparent `TxIn`, `TxOut`, `OutPoint`
+
 ## [0.5.1.0]
 
 ### Added

src/ZcashHaskell/Types.hs

@@ -150,15 +150,17 @@ fromRawTBundle rtb =
            (ztb_coinbase rtb)
 
 fromRawTxIn :: RawTxIn -> H.TxIn
-fromRawTxIn t =
-  H.TxIn
-    (H.OutPoint
-       ((fromJust .
-         H.hexToTxHash . E.decodeUtf8Lenient . rop_hash . rti_outpoint)
-          t)
-       (rop_n $ rti_outpoint t))
-    (rti_script t)
-    (rti_seq t)
+fromRawTxIn t = H.TxIn op (rti_script t) (rti_seq t)
+  where
+    op =
+      if rop_hash (rti_outpoint t) ==
+         "\NUL\NUL\NUL\NUL\NUL\NUL\NUL\NUL\NUL\NUL\NUL\NUL\NUL\NUL\NUL\NUL\NUL\NUL\NUL\NUL\NUL\NUL\NUL\NUL\NUL\NUL\NUL\NUL\NUL\NUL\NUL\NUL"
+        then H.nullOutPoint
+        else H.OutPoint
+               ((fromJust .
+                 H.hexToTxHash . E.decodeUtf8Lenient . rop_hash . rti_outpoint)
+                  t)
+               (rop_n $ rti_outpoint t)
 
 fromRawTxOut :: RawTxOut -> H.TxOut
 fromRawTxOut t = H.TxOut (rto_amt t) (rto_script t)

test/Spec.hs

@@ -34,6 +34,7 @@ import qualified Data.Text.Encoding as E
 import qualified Data.Text.Lazy.Encoding as LE
 import qualified Data.Text.Lazy.IO as LTIO
 import GHC.Float.RealFracMethods (properFractionDoubleInteger)
+import Test.HUnit
 import Test.Hspec
 import Test.Hspec.QuickCheck
 import Test.QuickCheck
@@ -59,7 +60,12 @@ import ZcashHaskell.Types
   , OrchardSpendingKey(..)
   , Phrase(..)
   , RawData(..)
+  , RawOutPoint(..)
+  , RawTBundle(..)
+  , RawTxIn(..)
+  , RawTxOut(..)
   , RawTxResponse(..)
+  , RawZebraTx(..)
   , SaplingReceiver(..)
   , SaplingSpendingKey(..)
   , Scope(..)
@@ -73,6 +79,7 @@ import ZcashHaskell.Types
   , ZcashNet(..)
   , ZebraTxResponse(..)
   , decodeHexText
+  , fromRawTBundle
   , getValue
   )
 import ZcashHaskell.Utils
@@ -767,11 +774,26 @@ main = do
         let ca = genSaplingInternalAddress (SaplingSpendingKey $ BS.pack sk)
         fromMaybe (SaplingReceiver "") ca `shouldBe` bscAdr
     describe "Zebra response processing: " $ do
-      it "Raw transaction" $ do
+      it "Raw transaction from faucet" $ do
         let h =
               hexString
                 "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"
-        readZebraTransaction h `shouldNotBe` Nothing
+        let t = readZebraTransaction h
+        case t of
+          Nothing -> assertFailure "Couldn't decode"
+          Just t' -> do
+            let tb = zt_tBundle t'
+            fromRawTBundle tb `shouldNotBe` Nothing
+      it "Raw transaction" $ do
+        let h =
+              hexString
+                "0400008085202f89010000000000000000000000000000000000000000000000000000000000000000ffffffff0603204c2a010cffffffff0480b2e60e000000001976a914278aff0c0f8734638ce81aaef4ab0afddd36552888ac286bee000000000017a9140c0bcca02f3cba01a5d7423ac3903d40586399eb8740787d010000000017a91471e1df05024288a00802de81e08c437859586c878738c94d010000000017a91493916098d2a161a91f3ddebab69dd5db9587b6248700000000204c2a000000000000000000000000"
+        let t = readZebraTransaction h
+        case t of
+          Nothing -> assertFailure "Couldn't decode"
+          Just t' -> do
+            let tb = zt_tBundle t'
+            fromRawTBundle tb `shouldNotBe` Nothing
 
 -- | Properties
 prop_PhraseLength :: Property

zcash-haskell.cabal

@@ -5,7 +5,7 @@ cabal-version: 3.0
 -- see: https://github.com/sol/hpack
 
 name:           zcash-haskell
-version:        0.5.1.0
+version:        0.5.2.0
 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
@@ -76,6 +76,7 @@ test-suite zcash-haskell-test
     , haskoin-core
     , hexstring >= 0.12.1
     , hspec
+    , HUnit
     , QuickCheck
     , quickcheck-transformer
     , text