rvv040 - Sapling address encoding to human readable format

Change Bech32m to Bech32  encoding for Sapling address

librustzcash-wrapper/src/lib.rs

@@ -105,6 +105,7 @@ use orchard::{
 
 use bech32::{
     Hrp,
+    Bech32,
     Bech32m
 };
 
@@ -585,7 +586,7 @@ pub extern "C" fn rust_wrapper_bech32decode(
 }
 
 #[no_mangle]
-pub extern "C" fn rust_wrapper_bech32_encode(
+pub extern "C" fn rust_wrapper_bech32m_encode(
     hr: *const u8,
     hr_len: usize,
     b: *const u8,
@@ -1088,3 +1089,20 @@ pub extern "C" fn rust_wrapper_derive_orchard_receiver(
     marshall_to_haskell_var(&o_rec.to_raw_address_bytes().to_vec(), out, out_len, RW);
 
 }
+
+#[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::<Bech32>(hrp, &b).unwrap();
+    marshall_to_haskell_var(&string, out, out_len, RW);
+}
+

src/C/Zcash.chs

@@ -38,7 +38,7 @@ import ZcashHaskell.Types
   -> `()'
 #}
 
-{# fun unsafe rust_wrapper_bech32_encode as rustWrapperBech32Encode
+{# fun unsafe rust_wrapper_bech32m_encode as rustWrapperBech32mEncode
      { toBorshVar* `BS.ByteString'&
      , toBorshVar* `BS.ByteString'&
      , getVarBuffer `Buffer (T.Text)'&
@@ -192,3 +192,12 @@ import ZcashHaskell.Types
      }
   -> `()'
 #}
+
+{# fun unsafe rust_wrapper_bech32_encode as rustWrapperBech32Encode
+     { toBorshVar* `BS.ByteString'&
+     , toBorshVar* `BS.ByteString'&
+     , getVarBuffer `Buffer (T.Text)'&
+     }
+  -> `()'
+#}
+

src/ZcashHaskell/Orchard.hs

@@ -33,7 +33,7 @@ import qualified Data.Text.Encoding as E
 import Data.Word
 import Foreign.Rust.Marshall.Variable
 import ZcashHaskell.Types
-import ZcashHaskell.Utils (encodeBech32m, f4Jumble)
+import ZcashHaskell.Utils (encodeBech32m, encodeBech32, f4Jumble)
 
 -- | Derives an Orchard spending key for the given seed and account ID
 genOrchardSpendingKey ::
@@ -169,5 +169,5 @@ getSaplingFromUA uadd = do
           Just sraw -> do 
             let net = ua_net a
             case net of
-              MainNet -> encodeBech32m (chrToByteString sapPaymentAddressHrp) ( getBytes sraw )
-              TestNet -> encodeBech32m (chrToByteString sapTestPaymentAddressHrp) ( getBytes sraw )
+              MainNet -> encodeBech32 (chrToByteString sapPaymentAddressHrp) ( getBytes sraw )
+              TestNet -> encodeBech32 (chrToByteString sapTestPaymentAddressHrp) ( getBytes sraw )

src/ZcashHaskell/Utils.hs

@@ -19,6 +19,7 @@ module ZcashHaskell.Utils where
 
 import C.Zcash
   ( rustWrapperBech32Decode
+  , rustWrapperBech32mEncode
   , rustWrapperBech32Encode
   , rustWrapperF4Jumble
   , rustWrapperF4UnJumble
@@ -45,7 +46,11 @@ 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
+encodeBech32m h d = withPureBorshVarBuffer $ rustWrapperBech32mEncode h d
+
+-- | Encode the given Human Readable Part and bytestring as a Bech32 string
+encodeBech32 :: BS.ByteString -> BS.ByteString -> T.Text
+encodeBech32 h d = withPureBorshVarBuffer $ rustWrapperBech32Encode h d
 
 -- | Apply the F4Jumble transformation to the given bytestring
 f4Jumble :: BS.ByteString -> BS.ByteString

test/Spec.hs

@@ -845,10 +845,10 @@ main = do
               print tb
               show tb `shouldNotBe` ""
       describe "Extract Sapling Address" $ do
-        let sr = getSaplingFromUA "u1y3224rl7f5tz262apkmj33z6pe5rn3z4y6pqtces45valg9qsvuer688crr8xvvqq4u7umhrvt0qaj5jv05ec7jd66qedq97dvrhhzryq69lrm8mc25ql0zt6yk2yks9zyp0qv7tgtfqw5zgl7q3p660v37f0ra5aj2g8y75mrzkgrgr8fl5cmur07tcqcrvzf96t4ennh45vnxemp8"
+        let sr = getSaplingFromUA "u14a5c4ufn9feqvxssnvscep29j5cse4gjpg0w3w5vjhafn74hg9k73xgnxqv6m255n23weggr6j97c8kdwvn4pkz7rz6my52z8248gjmr7knlw536tcurs5km7knqnzez4cywudt3q6shr553hurduvljfeqvfzgegenfjashslkz3y4ykhxel6mrjp9gsm9xk7k6kdxn9y84kccmv8l"
         it "Extract sapling address" $ do
             print sr  
-            sr `shouldBe` "zs1algtrzkczkl5708yaw2sr58jkutm8wcx2tj0a9ex3ns8nu8l3wtlusemfcpllnfmhyhw7vk9m0h"
+            sr `shouldBe` "zs1waxrpde36rlrjdwfhnvw030sn29lzwmvmeupd8x2uuqgypaafx7mqcy0ep8yf2xtg30n5424t60"
 
 
 -- | Properties